/* roulang page: index */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .skip-link {
            position: absolute;
            top: -60px;
            left: 16px;
            z-index: 9999;
            padding: 10px 20px;
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border-radius: 8px;
            border: 1px solid var(--accent);
            transition: top var(--transition-fast);
        }

        .skip-link:focus {
            top: 16px;
        }

        /* ==== Left App Shell (Desktop) ==== */
        .app-shell {
            min-height: 100vh;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }

        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }

        .side-nav-list li {
            margin-bottom: 4px;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }

        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }

        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }

        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }

        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }

        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 12px var(--accent-glow);
        }

        .side-nav-link.active .nav-icon {
            color: var(--accent);
            opacity: 1;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 11px;
            color: var(--text-muted);
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.05em;
        }

        /* ==== Mobile Top Bar ==== */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1040;
            display: none;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-topbar .brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-topbar .brand .logo-mark {
            width: 30px;
            height: 30px;
            font-size: 12px;
            border-radius: 8px;
        }

        .mobile-topbar .brand .logo-text {
            font-size: 14px;
            margin-left: 0;
        }

        .mobile-topbar .brand .logo-text .logo-sub {
            display: none;
        }

        .hamburger-btn {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(45, 212, 191, 0.1);
            border-color: rgba(45, 212, 191, 0.3);
            color: var(--accent);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1035;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ==== Main Content Area ==== */
        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            padding: 32px;
            padding-bottom: 0;
        }

        .content-container {
            max-width: 1320px;
            margin: 0 auto;
        }

        /* ==== Typography ==== */
        .display-title {
            font-family: var(--font-display);
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 16px;
            border: 1px solid rgba(45, 212, 191, 0.3);
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(45, 212, 191, 0.05);
        }

        .section-eyebrow .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent-glow);
        }

        /* ==== Buttons ==== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid var(--accent);
            background: var(--accent-dim);
            color: var(--accent);
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }

        .btn-glow:hover {
            background: rgba(45, 212, 191, 0.18);
            color: var(--accent-hover);
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
            border-color: var(--accent-hover);
        }

        .btn-glow:active {
            transform: scale(0.98);
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .btn-outline-glass {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.03em;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: var(--silver);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-glass:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateY(-2px);
        }

        .btn-outline-glass:active {
            transform: scale(0.98);
        }

        .btn-sm-glow {
            padding: 10px 22px;
            font-size: 13px;
        }

        /* ==== Hero Section ==== */
        .hero-section {
            background-image: linear-gradient(rgba(10, 18, 36, 0.82), rgba(10, 18, 36, 0.9)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            min-height: calc(100vh - 100px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(45, 212, 191, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(231, 213, 168, 0.05), transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.05em;
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid rgba(45, 212, 191, 0.3);
            color: var(--accent);
        }

        .hero-badge.highlight {
            background: rgba(231, 213, 168, 0.08);
            border-color: rgba(231, 213, 168, 0.35);
            color: var(--gold);
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.22;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            max-width: 800px;
        }

        .hero-description {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-progress-wrapper {
            max-width: 480px;
            margin-bottom: 28px;
        }

        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .hero-progress-label .progress-highlight {
            color: var(--accent);
            font-weight: 600;
        }

        .hero-progress-bar {
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent), var(--accent-hover));
            box-shadow: 0 0 16px var(--accent-glow);
            transition: width var(--transition-slow);
            position: relative;
        }

        .hero-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 20px;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 999px;
            animation: shimmer 2.5s infinite;
        }

        @keyframes shimmer {
            0%,
            100% {
                opacity: 0.4;
            }
            50% {
                opacity: 0.9;
            }
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .hero-stat-value .stat-unit {
            font-size: 14px;
            color: var(--accent);
            font-family: var(--font-sans);
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        /* ==== Glass Cards ==== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 36px rgba(45, 212, 191, 0.12);
        }

        .glass-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid rgba(45, 212, 191, 0.25);
            margin-bottom: 18px;
            color: var(--accent);
            transition: all var(--transition-base);
        }

        .glass-card:hover .card-icon {
            background: rgba(45, 212, 191, 0.15);
            box-shadow: 0 0 22px rgba(45, 212, 191, 0.2);
        }

        .glass-card .card-num {
            font-family: var(--font-display);
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.15em;
            margin-bottom: 10px;
            display: block;
        }

        .glass-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .glass-card .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.04em;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--silver);
            transition: all var(--transition-fast);
        }

        .glass-card:hover .card-tag {
            border-color: rgba(45, 212, 191, 0.3);
            color: var(--accent);
        }

        /* ==== Section Spacing ==== */
        .site-section {
            padding: 48px 0;
            position: relative;
        }

        .site-section + .site-section {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ==== Coupon Grid Section ==== */
        .coupon-grid-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .coupon-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .coupon-card:hover {
            border-color: rgba(45, 212, 191, 0.4);
            background: rgba(45, 212, 191, 0.06);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        .coupon-card .coupon-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 14px;
        }

        .coupon-card .coupon-type {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
        }

        .coupon-card .coupon-value {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
        }

        .coupon-card .coupon-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .coupon-card .coupon-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==== Steps Section ==== */
        .steps-horizontal {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }

        .steps-horizontal::-webkit-scrollbar {
            height: 4px;
        }

        .steps-horizontal::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 4px;
        }

        .step-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            border-color: var(--glass-border-hover);
            background: rgba(255, 255, 255, 0.08);
        }

        .step-card .step-num {
            font-family: var(--font-display);
            font-size: 40px;
            font-weight: 700;
            color: rgba(45, 212, 191, 0.25);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .step-card .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-card .step-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==== Success Case Cards ==== */
        .case-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }

        .case-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .case-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 4px;
        }

        .case-card {
            flex: 0 0 62%;
            min-width: 320px;
            scroll-snap-align: start;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
        }

        .case-card:hover {
            border-color: rgba(45, 212, 191, 0.35);
            box-shadow: 0 0 32px rgba(45, 212, 191, 0.08);
        }

        .case-card .case-metric {
            font-family: var(--font-display);
            font-size: 44px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .case-card .case-metric .case-unit {
            font-size: 16px;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            font-weight: 400;
        }

        .case-card .case-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .case-card .case-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==== Pricing Table ==== */
        .pricing-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .pricing-panel.featured {
            border-color: rgba(45, 212, 191, 0.5);
            background: rgba(45, 212, 191, 0.05);
            box-shadow: 0 0 42px rgba(45, 212, 191, 0.12);
        }

        .pricing-panel .featured-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            background: var(--accent);
            color: #0A1224;
        }

        .pricing-panel .plan-name {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--silver);
            margin-bottom: 12px;
        }

        .pricing-panel .plan-price {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1;
        }

        .pricing-panel .plan-price-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .pricing-panel .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-panel .plan-features li {
            display: flex;
            align-items: start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .pricing-panel .plan-features li .feature-check {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 3px;
            font-size: 13px;
        }

        /* ==== Loyalty Ladder ==== */
        .loyalty-ladder-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 10px;
            transition: all var(--transition-base);
        }

        .loyalty-ladder-item:hover {
            border-color: rgba(45, 212, 191, 0.3);
            background: rgba(45, 212, 191, 0.04);
        }

        .loyalty-ladder-item .ladder-tier {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            min-width: 56px;
            text-align: center;
        }

        .loyalty-ladder-item .ladder-info {
            flex: 1;
        }

        .loyalty-ladder-item .ladder-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .loyalty-ladder-item .ladder-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .loyalty-ladder-item .ladder-cta {
            flex-shrink: 0;
        }

        /* ==== News List ==== */
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

        .news-list-item .news-date {
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            min-width: 105px;
            flex-shrink: 0;
            padding-top: 4px;
        }

        .news-list-item .news-content {
            flex: 1;
        }

        .news-list-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-list-item:hover .news-title {
            color: var(--accent);
        }

        .news-list-item .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-list-item .news-meta {
            display: flex;
            gap: 12px;
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ==== Testimonial ==== */
        .testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: rgba(45, 212, 191, 0.25);
            background: rgba(255, 255, 255, 0.06);
        }

        .testimonial-card .t-quote-icon {
            font-size: 20px;
            color: var(--accent);
            opacity: 0.5;
            margin-bottom: 12px;
        }

        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .testimonial-card .t-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card .t-role {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ==== Partner Tags ==== */
        .partner-tag {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
            text-align: center;
            min-width: 160px;
        }

        .partner-tag:hover {
            border-color: rgba(45, 212, 191, 0.35);
            background: rgba(45, 212, 191, 0.05);
            transform: translateY(-3px);
        }

        .partner-tag .pt-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .partner-tag .pt-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .partner-tag .pt-desc {
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ==== Brand Intro ==== */
        .brand-intro-section {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.6;
        }

        .brand-intro-text {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }

        /* ==== FAQ ==== */
        .accordion-faq .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .accordion-faq .accordion-item:hover {
            border-color: rgba(45, 212, 191, 0.25);
        }

        .accordion-faq .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 20px 24px;
            letter-spacing: 0.02em;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base);
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            background: rgba(45, 212, 191, 0.06);
            color: var(--accent);
            box-shadow: none;
        }

        .accordion-faq .accordion-button::after {
            filter: invert(1) brightness(0.7);
            background-size: 16px;
        }

        .accordion-faq .accordion-button:not(.collapsed)::after {
            filter: invert(0.7) sepia(1) saturate(5) hue-rotate(130deg);
        }

        .accordion-faq .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            background: transparent;
        }

        /* ==== CTA Section ==== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.08), rgba(10, 18, 36, 0.6));
            border: 1px solid rgba(45, 212, 191, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(45, 212, 191, 0.08), transparent 70%);
            pointer-events: none;
        }

        /* ==== Footer ==== */
        .site-footer {
            background: rgba(10, 18, 36, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 13px;
            border-radius: 9px;
        }

        .footer-brand .logo-text {
            font-size: 15px;
            margin-left: 0;
        }

        .footer-statement {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-links-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-link-list li {
            margin-bottom: 8px;
        }

        .footer-link-list a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .footer-link-list a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-bottom .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ==== Responsive ==== */
        @media (max-width: 991.98px) {
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
                z-index: 1045;
            }
            .side-nav.show {
                transform: translateX(0);
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding: 16px;
                padding-top: 72px;
                padding-bottom: 0;
            }
            .hero-section {
                padding: 36px 24px;
                min-height: auto;
                border-radius: var(--radius-md);
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-stats {
                gap: 18px;
            }
            .coupon-grid-section {
                padding: 28px 18px;
            }
            .brand-intro-section {
                padding: 28px 20px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .case-card {
                flex: 0 0 80%;
                min-width: 260px;
            }
            .site-section {
                padding: 32px 0;
            }
        }

        @media (max-width: 575.98px) {
            .main-content {
                padding: 12px;
                padding-top: 68px;
                padding-bottom: 0;
            }
            .hero-section {
                padding: 24px 16px;
                border-radius: 12px;
            }
            .hero-title {
                font-size: 22px;
                letter-spacing: 0.02em;
            }
            .hero-description {
                font-size: 14px;
            }
            .hero-cta-row {
                gap: 8px;
            }
            .hero-cta-row .btn-glow,
            .hero-cta-row .btn-outline-glass {
                padding: 12px 18px;
                font-size: 13px;
                flex: 1;
                justify-content: center;
            }
            .hero-stats {
                gap: 12px;
                flex-wrap: wrap;
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .glass-card {
                padding: 20px;
            }
            .coupon-grid-section {
                padding: 20px 14px;
            }
            .case-card {
                flex: 0 0 90%;
                min-width: 240px;
                padding: 20px;
            }
            .case-card .case-metric {
                font-size: 32px;
            }
            .pricing-panel {
                padding: 24px 18px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-list-item .news-date {
                min-width: auto;
                padding-top: 0;
            }
            .brand-intro-section {
                padding: 20px 16px;
            }
            .cta-panel {
                padding: 24px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
            .step-card {
                flex: 0 0 220px;
            }
            .loyalty-ladder-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .loyalty-ladder-item .ladder-cta {
                width: 100%;
            }
            .loyalty-ladder-item .ladder-cta .btn-sm-glow {
                width: 100%;
                justify-content: center;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
      --bg-primary: #0A1224;
      --bg-secondary: #0B1528;
      --bg-tertiary: #0F1D3A;
      --text-primary: #FFFFFF;
      --text-body: #C9D2E0;
      --text-secondary: #8A97A8;
      --text-muted: #5E6C80;
      --accent: #2DD4BF;
      --accent-hover: #38E1C6;
      --accent-glow: rgba(45, 212, 191, 0.45);
      --accent-dim: rgba(45, 212, 191, 0.08);
      --gold: #E7D5A8;
      --silver: #A5B4C6;
      --glass-bg: rgba(255, 255, 255, 0.06);
      --glass-bg-dark: rgba(10, 18, 36, 0.55);
      --glass-border: rgba(255, 255, 255, 0.12);
      --glass-border-hover: rgba(45, 212, 191, 0.4);
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-lg: 20px;
      --side-nav-width: 252px;
      --topbar-height: 56px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
      --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
      --transition-fast: 0.2s ease;
      --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-primary);
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: var(--accent);
      transition: color var(--transition-fast);
    }
    a:hover {
      color: var(--accent-hover);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      outline: none;
    }

    /* Side Navigation */
    .side-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--side-nav-width);
      height: 100vh;
      background: rgba(10, 18, 36, 0.92);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-right: 1px solid rgba(255, 255, 255, 0.08);
      z-index: 1050;
      display: flex;
      flex-direction: column;
      transition: transform var(--transition-base);
      overflow-y: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
    }
    .side-nav::-webkit-scrollbar {
      width: 4px;
    }
    .side-nav::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.15);
      border-radius: 4px;
    }
    .side-nav-logo {
      height: 72px;
      display: flex;
      align-items: center;
      padding: 0 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      flex-shrink: 0;
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
      border: 1px solid rgba(45, 212, 191, 0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      color: var(--accent);
      flex-shrink: 0;
      letter-spacing: 0;
      font-family: var(--font-display);
      box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
    }
    .logo-text {
      margin-left: 12px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.04em;
      white-space: nowrap;
      line-height: 1.3;
    }
    .logo-text .logo-sub {
      display: block;
      font-size: 10px;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 0.3em;
      text-transform: uppercase;
      margin-top: 2px;
    }
    .side-nav-list {
      list-style: none;
      padding: 16px 12px;
      margin: 0;
      flex: 1;
    }
    .side-nav-list li {
      margin-bottom: 4px;
    }
    .side-nav-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      color: var(--silver);
      border-radius: 10px;
      font-size: 14px;
      font-weight: 500;
      transition: all var(--transition-base);
      position: relative;
      border: 1px solid transparent;
      letter-spacing: 0.02em;
    }
    .side-nav-link .nav-icon {
      width: 20px;
      text-align: center;
      font-size: 15px;
      opacity: 0.75;
      transition: opacity var(--transition-fast);
    }
    .side-nav-link:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.04);
      transform: translateX(3px);
      border-color: rgba(255, 255, 255, 0.06);
    }
    .side-nav-link:hover .nav-icon {
      opacity: 1;
    }
    .side-nav-link.active {
      color: var(--text-primary);
      background: rgba(45, 212, 191, 0.08);
      border-color: rgba(45, 212, 191, 0.25);
      box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
    }
    .side-nav-link.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 20%;
      height: 60%;
      width: 3px;
      background: var(--accent);
      border-radius: 0 3px 3px 0;
      box-shadow: 0 0 12px var(--accent-glow);
    }
    .side-nav-footer {
      padding: 18px 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      color: var(--text-muted);
      font-size: 12px;
      line-height: 1.6;
      flex-shrink: 0;
    }

    /* Topbar for mobile */
    .topbar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: var(--topbar-height);
      background: rgba(10, 18, 36, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      z-index: 1040;
      align-items: center;
      padding: 0 16px;
    }
    .topbar .logo-text {
      font-size: 15px;
    }
    .topbar .logo-mark {
      width: 32px;
      height: 32px;
      font-size: 13px;
    }
    .topbar .hamburger {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 8px;
      color: var(--text-primary);
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 12px;
      cursor: pointer;
      transition: all var(--transition-fast);
    }
    .topbar .hamburger:hover {
      background: rgba(45, 212, 191, 0.1);
      border-color: rgba(45, 212, 191, 0.4);
    }
    .overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.6);
      z-index: 1045;
      opacity: 0;
      visibility: hidden;
      transition: all var(--transition-base);
    }
    .overlay.show {
      opacity: 1;
      visibility: visible;
    }

    /* Main Content */
    .main-content {
      margin-left: var(--side-nav-width);
      min-height: 100vh;
      padding: 32px;
      background: var(--bg-primary);
      position: relative;
    }

    /* Generic container */
    .content-container {
      max-width: 1440px;
      margin: 0 auto;
      width: 100%;
    }

    /* Hero */
    .category-hero {
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(10,18,36,0.85) 0%, rgba(15,29,58,0.7) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      padding: 40px 36px;
      border: 1px solid var(--glass-border);
      position: relative;
      overflow: hidden;
      margin-bottom: 48px;
    }
    .category-hero::after {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 320px;
      height: 320px;
      background: rgba(45,212,191,0.08);
      border-radius: 50%;
      filter: blur(60px);
      pointer-events: none;
    }
    .breadcrumb-nav {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .breadcrumb-nav a {
      color: var(--text-secondary);
      transition: color var(--transition-fast);
    }
    .breadcrumb-nav a:hover {
      color: var(--accent);
    }
    .breadcrumb-nav .sep {
      margin: 0 8px;
      color: var(--text-muted);
    }
    .category-hero h1 {
      color: var(--text-primary);
      font-size: 36px;
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }
    .category-hero .hero-desc {
      font-size: 16px;
      color: var(--text-body);
      max-width: 720px;
      position: relative;
      z-index: 1;
      line-height: 1.8;
    }

    /* Section titles */
    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.01em;
      margin-bottom: 24px;
    }
    .section-subtitle {
      color: var(--text-secondary);
      font-size: 15px;
      max-width: 700px;
      margin-bottom: 32px;
    }

    /* Glass Cards */
    .glass-card {
      background: var(--glass-bg-dark);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all var(--transition-base);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      transform: translateY(-4px);
      border-color: var(--glass-border-hover);
      box-shadow: 0 0 28px rgba(45,212,191,0.12);
    }
    .glass-card .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--accent-dim);
      border: 1px solid rgba(45,212,191,0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 20px;
      margin-bottom: 16px;
    }
    .glass-card h3 {
      font-size: 19px;
      font-weight: 600;
      color: var(--text-primary);
      letter-spacing: 0.02em;
      margin-bottom: 8px;
    }
    .glass-card p {
      color: var(--text-body);
      font-size: 14px;
      margin-bottom: 0;
    }

    /* Asymmetric sections */
    .asymmetric-row {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 24px;
    }
    .asymmetric-row .col-main {
      flex: 1 1 58%;
      min-width: 300px;
    }
    .asymmetric-row .col-side {
      flex: 1 1 38%;
      min-width: 280px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .asymmetric-row.reverse .col-main {
      flex: 1 1 38%;
    }
    .asymmetric-row.reverse .col-side {
      flex: 1 1 58%;
      flex-direction: row;
      flex-wrap: wrap;
    }

    /* Feature mini cards */
    .feature-mini {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: var(--radius-sm);
      padding: 18px;
      transition: all var(--transition-base);
    }
    .feature-mini:hover {
      background: rgba(255,255,255,0.05);
      border-color: rgba(45,212,191,0.2);
    }
    .feature-mini .mini-title {
      font-weight: 600;
      color: var(--text-primary);
      font-size: 15px;
      margin-bottom: 6px;
    }
    .feature-mini .mini-desc {
      color: var(--text-secondary);
      font-size: 13px;
    }

    /* Data metrics */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin: 32px 0;
    }
    .metric-item {
      background: rgba(255,255,255,0.04);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      transition: all var(--transition-base);
    }
    .metric-item:hover {
      border-color: var(--accent);
      box-shadow: 0 0 20px rgba(45,212,191,0.15);
    }
    .metric-number {
      font-family: var(--font-display);
      font-size: 32px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.02em;
    }
    .metric-label {
      color: var(--text-secondary);
      font-size: 13px;
      margin-top: 6px;
    }

    /* Dynamic type chips */
    .type-chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .type-chip {
      padding: 10px 20px;
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.1);
      color: var(--text-body);
      font-size: 14px;
      cursor: pointer;
      transition: all var(--transition-fast);
    }
    .type-chip:hover {
      background: rgba(45,212,191,0.08);
      border-color: rgba(45,212,191,0.3);
      color: var(--accent);
    }
    .type-chip.active {
      background: rgba(45,212,191,0.12);
      border-color: var(--accent);
      color: var(--accent);
    }

    /* News timeline preview */
    .timeline-preview {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 16px;
    }
    .timeline-item {
      background: rgba(255,255,255,0.05);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
    }
    .timeline-item:hover {
      transform: translateY(-4px);
      border-color: rgba(45,212,191,0.35);
      box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    }
    .timeline-item .news-img {
      height: 160px;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .timeline-item .news-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(10,18,36,0.2) 0%, rgba(10,18,36,0.7) 100%);
    }
    .timeline-item .news-body {
      padding: 16px;
      flex: 1;
    }
    .timeline-item .news-tag {
      font-size: 12px;
      color: var(--accent);
      background: rgba(45,212,191,0.1);
      padding: 4px 10px;
      border-radius: 999px;
      display: inline-block;
      margin-bottom: 8px;
    }
    .timeline-item .news-title {
      color: var(--text-primary);
      font-weight: 600;
      font-size: 16px;
      margin-bottom: 6px;
    }
    .timeline-item .news-summary {
      color: var(--text-secondary);
      font-size: 13px;
      margin-bottom: 10px;
    }
    .timeline-item .news-date {
      color: var(--text-muted);
      font-size: 12px;
      text-align: right;
    }

    /* Steps */
    .steps-container {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 24px;
    }
    .step-card {
      flex: 1 1 180px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-md);
      padding: 20px;
      position: relative;
      transition: all var(--transition-base);
    }
    .step-card:hover {
      border-color: rgba(45,212,191,0.3);
    }
    .step-number {
      font-family: var(--font-display);
      font-size: 28px;
      font-weight: 700;
      color: var(--accent);
      opacity: 0.8;
      margin-bottom: 8px;
    }
    .step-card h4 {
      color: var(--text-primary);
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .step-card p {
      color: var(--text-secondary);
      font-size: 13px;
      margin: 0;
    }

    /* FAQ */
    .faq-section {
      margin-top: 64px;
    }
    .accordion-item {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-md) !important;
      margin-bottom: 12px;
      overflow: hidden;
    }
    .accordion-button {
      background: rgba(255,255,255,0.04);
      color: var(--text-primary);
      font-weight: 500;
      padding: 18px 20px;
      border-radius: var(--radius-md) !important;
      border: none;
      box-shadow: none;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(45,212,191,0.08);
      color: var(--accent);
      box-shadow: inset 0 0 0 1px rgba(45,212,191,0.3);
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(45,212,191,0.3);
    }
    .accordion-button::after {
      filter: brightness(0) invert(1);
    }
    .accordion-body {
      background: rgba(255,255,255,0.02);
      color: var(--text-body);
      padding: 18px 20px;
      font-size: 14px;
    }

    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, rgba(45,212,191,0.08), rgba(15,29,58,0.6));
      border: 1px solid rgba(45,212,191,0.25);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
      margin-top: 64px;
    }
    .cta-section h2 {
      color: var(--text-primary);
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .cta-section p {
      color: var(--text-body);
      max-width: 600px;
      margin: 0 auto 24px;
    }

    /* Buttons */
    .btn-glow {
      background: rgba(45,212,191,0.08);
      border: 1px solid var(--accent);
      color: var(--accent);
      border-radius: 999px;
      padding: 12px 28px;
      font-weight: 600;
      transition: all var(--transition-base);
    }
    .btn-glow:hover {
      background: rgba(45,212,191,0.18);
      box-shadow: 0 0 28px var(--accent-glow);
      color: var(--accent-hover);
    }
    .btn-outline-light-custom {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.3);
      color: var(--text-primary);
      border-radius: 999px;
      padding: 12px 28px;
      font-weight: 500;
      transition: all var(--transition-base);
    }
    .btn-outline-light-custom:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    /* Footer */
    .site-footer {
      margin-top: 80px;
      background: var(--bg-secondary);
      border-top: 1px solid rgba(255,255,255,0.06);
      padding: 40px 0 20px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .footer-statement {
      color: var(--text-secondary);
      font-size: 13px;
      max-width: 300px;
    }
    .footer-links-title {
      color: var(--text-primary);
      font-weight: 600;
      font-size: 14px;
      margin-bottom: 12px;
    }
    .footer-link-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-link-list li {
      margin-bottom: 8px;
    }
    .footer-link-list a {
      color: var(--text-secondary);
      font-size: 13px;
      transition: color var(--transition-fast);
    }
    .footer-link-list a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.06);
      padding-top: 20px;
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-muted);
    }
    .footer-bottom a {
      color: var(--text-muted);
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* Responsive */
    @media (max-width: 991.98px) {
      .side-nav {
        transform: translateX(-100%);
      }
      .side-nav.show {
        transform: translateX(0);
      }
      .topbar {
        display: flex;
      }
      .main-content {
        margin-left: 0;
        padding-top: calc(var(--topbar-height) + 20px);
        padding-left: 16px;
        padding-right: 16px;
      }
      .category-hero {
        padding: 28px 20px;
      }
      .category-hero h1 {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .asymmetric-row .col-main,
      .asymmetric-row .col-side,
      .asymmetric-row.reverse .col-main,
      .asymmetric-row.reverse .col-side {
        flex: 1 1 100%;
        flex-direction: column;
      }
      .asymmetric-row.reverse .col-side {
        flex-direction: column;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-section {
        padding: 28px 20px;
      }
    }
    @media (max-width: 575.98px) {
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .timeline-preview {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category2 */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 桌面端侧栏 */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }
        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }
        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }
        .side-nav-list li {
            margin-bottom: 4px;
        }
        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }
        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }
        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }
        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }
        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 32px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 12px rgba(45, 212, 191, 0.6);
        }
        .side-nav-footer {
            padding: 16px 20px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            letter-spacing: 0.04em;
            line-height: 1.6;
            flex-shrink: 0;
        }

        /* 移动端顶部栏 */
        .topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
        }
        .topbar .hamburger {
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            width: 38px;
            height: 38px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .topbar .hamburger:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
        }
        .topbar .logo-text {
            font-size: 15px;
        }
        .topbar .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 13px;
            border-radius: 8px;
        }
        .topbar .topbar-logo {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        /* 移动端抽屉 */
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 18, 36, 0.7);
            z-index: 1055;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }
        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: rgba(10, 18, 36, 0.97);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1060;
            transform: translateX(-100%);
            transition: transform var(--transition-base);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .drawer.show {
            transform: translateX(0);
        }
        .drawer .side-nav-list {
            padding: 12px;
        }
        .drawer .side-nav-logo {
            height: 64px;
            padding: 0 16px;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            padding: 32px;
            display: flex;
            flex-direction: column;
        }

        /* 分类Hero */
        .category-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-tertiary);
            padding: 48px 40px;
            margin-bottom: 48px;
            min-height: 280px;
            display: flex;
            align-items: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 18, 36, 0.88) 0%, rgba(10, 18, 36, 0.72) 40%, rgba(11, 21, 40, 0.65) 100%);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid rgba(45, 212, 191, 0.15);
            box-shadow: 0 0 80px rgba(45, 212, 191, 0.08);
            z-index: 1;
            pointer-events: none;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .separator {
            color: var(--text-muted);
            font-size: 10px;
        }
        .breadcrumb-custom .current {
            color: var(--accent);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .category-hero h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .category-hero-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 620px;
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid rgba(45, 212, 191, 0.25);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
        }
        .hero-tag:hover {
            background: rgba(45, 212, 191, 0.15);
            border-color: rgba(45, 212, 191, 0.45);
            color: var(--accent-hover);
        }

        /* 通用板块 */
        .section-title-block {
            margin-bottom: 32px;
        }
        .section-title-block .section-kicker {
            font-size: 12px;
            color: var(--accent);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-title-block h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-title-block p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 0;
        }

        /* 非对称服务卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .service-grid.reverse {
            grid-template-columns: 5fr 7fr;
        }
        .service-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            overflow: hidden;
            transition: all var(--transition-base);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, rgba(45, 212, 191, 0.4), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 30px rgba(45, 212, 191, 0.12);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 16px;
        }
        .service-card .service-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.1em;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 14px;
            line-height: 1.7;
        }
        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .service-card .service-tags span {
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--silver);
            letter-spacing: 0.02em;
        }
        .service-card .service-tags span.highlight-tag {
            background: rgba(45, 212, 191, 0.1);
            border-color: rgba(45, 212, 191, 0.3);
            color: var(--accent);
        }
        .service-card-small {
            padding: 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .service-card-small h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .service-card-small p {
            font-size: 13px;
            margin-bottom: 0;
        }

        /* 流程步骤 */
        .process-steps {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: rgba(45, 212, 191, 0.3) transparent;
        }
        .process-steps::-webkit-scrollbar {
            height: 4px;
        }
        .process-steps::-webkit-scrollbar-thumb {
            background: rgba(45, 212, 191, 0.3);
            border-radius: 4px;
        }
        .process-step {
            flex: 0 0 280px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
            min-width: 280px;
        }
        .process-step:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.1);
            transform: translateY(-2px);
        }
        .process-step .step-num {
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            color: rgba(45, 212, 191, 0.3);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .process-step .step-connector {
            position: absolute;
            top: 50%;
            right: -16px;
            width: 16px;
            height: 1px;
            background: rgba(45, 212, 191, 0.3);
            transform: translateY(-50%);
            pointer-events: none;
        }
        .process-step:last-child .step-connector {
            display: none;
        }

        /* 数据指标条 */
        .metrics-bar {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .metric-item {
            flex: 1;
            min-width: 140px;
            text-align: left;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            padding-right: 20px;
        }
        .metric-item:last-child {
            border-right: none;
            padding-right: 0;
        }
        .metric-item .metric-value {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.1;
            letter-spacing: 0.02em;
        }
        .metric-item .metric-value .metric-unit {
            font-size: 16px;
            color: var(--accent);
            font-weight: 500;
            margin-left: 4px;
        }
        .metric-item .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* 服务对比表 */
        .compare-table-wrapper {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            text-align: left;
            vertical-align: middle;
        }
        .compare-table thead th {
            background: rgba(45, 212, 191, 0.05);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.03em;
            border-bottom: 1px solid rgba(45, 212, 191, 0.2);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check {
            color: var(--accent);
            font-size: 14px;
        }
        .compare-table .feature-name {
            font-weight: 500;
            color: var(--text-primary);
        }
        .compare-table .highlight-col {
            background: rgba(45, 212, 191, 0.04);
            border-left: 2px solid rgba(45, 212, 191, 0.3);
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: all var(--transition-base);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--glass-border-hover);
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 24px;
            letter-spacing: 0.02em;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(45, 212, 191, 0.05);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            color: var(--text-secondary);
            transition: transform var(--transition-base);
            font-size: 14px;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .accordion-custom .accordion-body {
            background: transparent;
            color: var(--text-body);
            font-size: 14px;
            padding: 0 24px 20px;
            line-height: 1.75;
        }
        .accordion-custom .accordion-button:focus {
            outline: none;
            border-color: transparent;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 18, 36, 0.85) 0%, rgba(10, 18, 36, 0.7) 100%);
            z-index: 1;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 1px solid rgba(45, 212, 191, 0.12);
            box-shadow: 0 0 100px rgba(45, 212, 191, 0.06);
            z-index: 1;
            pointer-events: none;
        }
        .cta-section-content {
            position: relative;
            z-index: 2;
            text-align: left;
            max-width: 720px;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 24px;
            line-height: 1.75;
        }

        /* 按钮样式 */
        .btn-accent {
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: rgba(45, 212, 191, 0.18);
            color: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.5);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: scale(0.98);
            box-shadow: 0 0 16px rgba(45, 212, 191, 0.3);
        }
        .btn-outline-accent {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-accent:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
            background: rgba(45, 212, 191, 0.04);
        }
        .btn-accent .btn-icon,
        .btn-outline-accent .btn-icon {
            margin-right: 8px;
            font-size: 13px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 64px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }
        .footer-brand .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 13px;
            border-radius: 8px;
        }
        .footer-brand .logo-text {
            font-size: 14px;
        }
        .footer-statement {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-links-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-link-list li {
            margin-bottom: 8px;
        }
        .footer-link-list a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-link-list a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .side-nav {
                display: none;
            }
            .topbar {
                display: flex;
            }
            .drawer-overlay.show {
                display: block;
                opacity: 1;
            }
            .main-content {
                margin-left: 0;
                padding: 16px;
                padding-top: calc(var(--topbar-height) + 16px);
            }
            .category-hero {
                padding: 32px 24px;
                min-height: auto;
                margin-bottom: 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero-desc {
                font-size: 14px;
            }
            .section-title-block h2 {
                font-size: 22px;
            }
            .service-grid,
            .service-grid.reverse {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-step {
                flex: 0 0 240px;
                min-width: 240px;
                padding: 20px;
            }
            .step-connector {
                display: none;
            }
            .metrics-bar {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-right: 0;
                padding-bottom: 14px;
            }
            .metric-item:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
                font-size: 12px;
            }
            .cta-section {
                padding: 32px 24px;
                text-align: center;
            }
            .cta-section-content {
                text-align: center;
            }
            .btn-accent,
            .btn-outline-accent {
                padding: 10px 22px;
                font-size: 13px;
            }
            .site-footer {
                padding: 32px 0 16px;
                margin-top: 40px;
            }
        }

        @media (max-width: 575.98px) {
            .main-content {
                padding: 12px;
                padding-top: calc(var(--topbar-height) + 12px);
            }
            .category-hero {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .hero-tag {
                font-size: 11px;
                padding: 5px 10px;
            }
            .section-title-block h2 {
                font-size: 20px;
            }
            .service-card {
                padding: 20px;
            }
            .service-card h3 {
                font-size: 16px;
            }
            .process-step {
                flex: 0 0 100%;
                min-width: 100%;
            }
            .metric-item .metric-value {
                font-size: 26px;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        /* ======== SIDE NAV ======== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }

        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }

        .side-nav-list li {
            margin-bottom: 4px;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }

        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }

        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }

        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }

        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }

        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 12px var(--accent-glow);
        }

        .side-nav-footer {
            padding: 16px 20px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
            letter-spacing: 0.02em;
            line-height: 1.6;
        }

        /* ======== MOBILE TOP BAR ======== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }

        .burger-btn {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: var(--text-primary);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .burger-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(45, 212, 191, 0.3);
        }

        .mobile-topbar .logo-text {
            font-size: 15px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* ======== MAIN CONTENT ======== */
        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            padding: 0;
            position: relative;
        }

        .content-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 40px;
        }

        /* ======== BREADCRUMB ======== */
        .breadcrumb-wrap {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            letter-spacing: 0.02em;
        }

        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-wrap a:hover {
            color: var(--accent);
        }

        .breadcrumb-wrap .sep {
            color: var(--text-muted);
            font-size: 11px;
        }

        .breadcrumb-wrap .current {
            color: var(--accent);
        }

        /* ======== HERO SECTION ======== */
        .category-hero {
            position: relative;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            overflow: hidden;
            margin-bottom: 40px;
            padding: 48px 44px;
            min-height: 300px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 18, 36, 0.92) 0%, rgba(10, 18, 36, 0.65) 45%, rgba(10, 18, 36, 0.5) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 60%;
            height: 220%;
            background: radial-gradient(ellipse at center, rgba(45, 212, 191, 0.12) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .category-hero-content .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.3);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
        }

        .category-hero-content h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.25;
            font-family: var(--font-sans);
        }

        .category-hero-content .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 640px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid rgba(45, 212, 191, 0.6);
            color: var(--accent);
            padding: 12px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.12);
        }

        .btn-glow:hover {
            background: rgba(45, 212, 191, 0.18);
            box-shadow: 0 0 32px var(--accent-glow);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-glow:active {
            transform: scale(0.98);
        }

        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-body);
            padding: 12px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-glow:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
            transform: translateY(-2px);
        }

        /* ======== GLASS CARD ======== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.15);
            transform: translateY(-4px);
        }

        .glass-card .icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }

        .glass-card:hover .icon-box {
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.3);
            border-color: rgba(45, 212, 191, 0.5);
        }

        .glass-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .glass-card p {
            font-size: 14px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.7;
        }

        .glass-card .card-number {
            font-family: var(--font-display);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.15em;
            margin-bottom: 8px;
            display: block;
        }

        /* ======== SECTION TITLES ======== */
        .section-head {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-head .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin: 0;
            line-height: 1.3;
        }

        .section-head .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        .section-head .section-badge {
            font-size: 12px;
            color: var(--accent);
            letter-spacing: 0.15em;
            font-family: var(--font-display);
            font-weight: 600;
            text-transform: uppercase;
        }

        /* ======== ASYMMETRIC GRID ======== */
        .asym-grid-row {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .asym-grid-row.reverse {
            grid-template-columns: 5fr 7fr;
        }

        /* ======== STAT BADGE ======== */
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            padding: 6px 14px;
            border-radius: 999px;
            margin: 0 8px 8px 0;
            letter-spacing: 0.02em;
        }

        .stat-badge .fas {
            color: var(--accent);
            font-size: 12px;
        }

        /* ======== METRIC ROW ======== */
        .metric-block {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .metric-block:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.12);
        }

        .metric-block .metric-value {
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-block .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        /* ======== STEP FLOW ======== */
        .step-flow {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: rgba(45, 212, 191, 0.3) transparent;
        }

        .step-flow::-webkit-scrollbar {
            height: 4px;
        }

        .step-flow::-webkit-scrollbar-thumb {
            background: rgba(45, 212, 191, 0.3);
            border-radius: 4px;
        }

        .step-item {
            flex: 0 0 280px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.12);
            transform: translateY(-3px);
        }

        .step-number {
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.15em;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .step-number::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, rgba(45, 212, 191, 0.4), transparent);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.7;
        }

        /* ======== FAQ ======== */
        .faq-section {
            margin: 48px 0;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(45, 212, 191, 0.25);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-align: left;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0;
        }

        /* ======== CTA BANNER ======== */
        .cta-banner {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(45, 212, 191, 0.25);
            padding: 44px 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
            margin: 48px 0;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .cta-banner .cta-desc {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-banner .btn-glow {
            position: relative;
            z-index: 1;
            font-size: 15px;
            padding: 14px 32px;
        }

        /* ======== FOOTER ======== */
        .site-footer {
            background: rgba(10, 18, 36, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .logo-text {
            font-size: 16px;
        }

        .footer-statement {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-link-list li {
            margin-bottom: 8px;
        }

        .footer-link-list a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .footer-link-list a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            margin-top: 32px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ======== TAG LIST ======== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 16px 0;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .tag-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(45, 212, 191, 0.05);
        }

        .tag-pill .fas {
            font-size: 11px;
            color: var(--accent);
        }

        /* ======== RESPONSIVE ======== */
        @media (max-width: 991.98px) {
            .side-nav {
                transform: translateX(-100%);
            }

            .side-nav.open {
                transform: translateX(0);
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer-overlay {
                display: block;
                pointer-events: none;
            }

            .drawer-overlay.show {
                pointer-events: auto;
            }

            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }

            .content-container {
                padding: 20px 16px;
            }

            .category-hero {
                padding: 36px 24px;
                min-height: 260px;
                border-radius: var(--radius-md);
            }

            .category-hero-content h1 {
                font-size: 28px;
            }

            .category-hero-content .hero-desc {
                font-size: 14px;
            }

            .asym-grid-row,
            .asym-grid-row.reverse {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .section-head {
                margin-bottom: 24px;
            }

            .section-head .section-title {
                font-size: 22px;
            }

            .cta-banner {
                padding: 32px 20px;
            }

            .cta-banner .cta-title {
                font-size: 22px;
            }

            .step-item {
                flex: 0 0 240px;
            }
        }

        @media (max-width: 575.98px) {
            .content-container {
                padding: 16px 12px;
            }

            .category-hero {
                padding: 28px 18px;
                min-height: 240px;
            }

            .category-hero-content h1 {
                font-size: 24px;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-glow,
            .btn-outline-glow {
                justify-content: center;
            }

            .metric-block .metric-value {
                font-size: 28px;
            }

            .section-head .section-title {
                font-size: 20px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer p {
                font-size: 13px;
            }

            .footer-bottom {
                font-size: 11px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        /* ========== 侧栏导航 ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.94);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }

        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }

        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }

        .side-nav-list li {
            margin-bottom: 4px;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }

        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }

        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }

        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }

        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }

        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 12px rgba(45, 212, 191, 0.7);
        }

        .side-nav-footer {
            padding: 16px 20px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            line-height: 1.6;
            flex-shrink: 0;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
        }

        .mobile-topbar .hamburger {
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .mobile-topbar .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-topbar .topbar-logo {
            margin-left: 4px;
            display: flex;
            align-items: center;
        }

        .mobile-topbar .topbar-logo .logo-mark {
            width: 30px;
            height: 30px;
            font-size: 12px;
            border-radius: 8px;
        }

        .mobile-topbar .topbar-logo .logo-text {
            font-size: 14px;
            margin-left: 8px;
        }

        .mobile-topbar .topbar-logo .logo-sub {
            font-size: 8px;
            letter-spacing: 0.2em;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .content-container {
            max-width: 1440px;
            margin: 0 auto;
            padding: 32px 36px;
            width: 100%;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent);
        }

        .breadcrumb-custom .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb-custom .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* ========== Hero 区块 ========== */
        .category-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 48px 44px;
            margin-bottom: 48px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 300px;
            display: flex;
            align-items: flex-end;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 18, 36, 0.88) 0%, rgba(10, 18, 36, 0.55) 55%, rgba(15, 29, 58, 0.75) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(90deg, transparent 0%, rgba(45, 212, 191, 0.06) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(45, 212, 191, 0.12);
            border: 1px solid rgba(45, 212, 191, 0.3);
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .category-hero h1 {
            color: var(--text-primary);
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .category-hero .hero-desc {
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 24px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ========== 按钮 ========== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 1px solid var(--accent);
            color: var(--accent);
            background: rgba(45, 212, 191, 0.08);
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-glow:hover {
            background: rgba(45, 212, 191, 0.18);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.5);
            color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-glow:active {
            transform: scale(0.98);
            box-shadow: 0 0 14px rgba(45, 212, 191, 0.3);
        }

        .btn-outline-light-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-light-glow:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.2);
        }

        .btn-outline-light-glow:active {
            transform: scale(0.98);
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 0 30px rgba(45, 212, 191, 0.12);
        }

        .glass-card .card-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .glass-card h3 {
            color: var(--text-primary);
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        .glass-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .glass-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid rgba(45, 212, 191, 0.2);
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .glass-card .card-number {
            font-family: var(--font-display);
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.15em;
            font-weight: 500;
        }

        /* ========== 区块标题 ========== */
        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-heading h2 {
            color: var(--text-primary);
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-heading .section-desc {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== 公告类型非对称布局 ========== */
        .announce-type-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .announce-type-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 0 32px rgba(45, 212, 191, 0.14);
        }

        .announce-type-card .type-image {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

        .announce-type-card .type-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .announce-type-card:hover .type-image img {
            transform: scale(1.04);
        }

        .announce-type-card .type-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 18, 36, 0.2) 0%, rgba(10, 18, 36, 0.7) 100%);
        }

        .announce-type-card .type-image .image-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(10, 18, 36, 0.8);
            border: 1px solid rgba(45, 212, 191, 0.4);
            padding: 5px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
        }

        .announce-type-card .type-body {
            padding: 22px 24px 24px;
        }

        .announce-type-card .type-body h3 {
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .announce-type-card .type-body p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .announce-type-card .type-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .announce-type-card .type-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .announce-type-card .type-meta i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ========== 流程步骤 ========== */
        .steps-horizontal {
            display: flex;
            gap: 0;
            overflow-x: auto;
            padding: 8px 0 20px;
            scrollbar-width: thin;
            scrollbar-color: rgba(45, 212, 191, 0.3) transparent;
        }

        .steps-horizontal::-webkit-scrollbar {
            height: 4px;
        }

        .steps-horizontal::-webkit-scrollbar-thumb {
            background: rgba(45, 212, 191, 0.3);
            border-radius: 4px;
        }

        .step-item {
            flex: 1;
            min-width: 220px;
            padding: 0 12px;
            position: relative;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -12px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, rgba(45, 212, 191, 0.5), rgba(45, 212, 191, 0.1));
        }

        .step-item .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 16px;
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.15);
        }

        .step-item .step-title {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-item .step-desc {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
        }

        /* ========== 数据指标 ========== */
        .metrics-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 24px 0;
        }

        .metric-item {
            flex: 1;
            min-width: 150px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all var(--transition-base);
        }

        .metric-item:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 22px rgba(45, 212, 191, 0.1);
        }

        .metric-item .metric-number {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .metric-item .metric-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* ========== 品牌介绍区块 ========== */
        .brand-intro-section {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(45, 212, 191, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .brand-intro-section h2 {
            color: var(--text-primary);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .brand-intro-section p {
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .brand-intro-section p:last-child {
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all var(--transition-base);
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(45, 212, 191, 0.25);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }

        .faq-accordion .accordion-button::after {
            filter: invert(70%) sepia(50%) saturate(400%) hue-rotate(130deg);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(45, 212, 191, 0.06);
            color: var(--accent);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.3);
            border-color: rgba(45, 212, 191, 0.4);
        }

        .faq-accordion .accordion-body {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
            padding: 16px 22px 20px;
            background: rgba(10, 18, 36, 0.3);
        }

        /* ========== CTA 区域 ========== */
        .cta-panel {
            background: linear-gradient(135deg, rgba(15, 29, 58, 0.85) 0%, rgba(10, 18, 36, 0.9) 50%, rgba(15, 29, 58, 0.7) 100%);
            border: 1px solid rgba(45, 212, 191, 0.25);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(45, 212, 191, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel h2 {
            color: var(--text-primary);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-panel .cta-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: rgba(10, 18, 36, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 36px 28px;
            margin-top: 64px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            margin-bottom: 14px;
        }

        .footer-brand .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 13px;
        }

        .footer-brand .logo-text {
            font-size: 15px;
        }

        .footer-statement {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-links-title {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-link-list li {
            margin-bottom: 8px;
        }

        .footer-link-list a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: all var(--transition-fast);
        }

        .footer-link-list a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 筛选标签条 ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 16px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            margin-bottom: 32px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .filter-tag:hover {
            color: var(--text-primary);
            border-color: rgba(45, 212, 191, 0.35);
            background: rgba(45, 212, 191, 0.06);
        }

        .filter-tag.active {
            color: var(--accent);
            background: rgba(45, 212, 191, 0.1);
            border-color: rgba(45, 212, 191, 0.45);
            box-shadow: 0 0 16px rgba(45, 212, 191, 0.18);
        }

        /* ========== 公告时间线 ========== */
        .timeline-list {
            position: relative;
            padding-left: 32px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, rgba(45, 212, 191, 0.5) 0%, rgba(45, 212, 191, 0.1) 100%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 12px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--bg-primary);
            box-shadow: 0 0 10px rgba(45, 212, 191, 0.6);
        }

        .timeline-item .tl-date {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .timeline-item .tl-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-topbar {
                display: flex;
            }
            .drawer-overlay {
                display: block;
                pointer-events: none;
            }
            .drawer-overlay.show {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .content-container {
                padding: 20px 16px;
            }
            .category-hero {
                padding: 32px 24px;
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .brand-intro-section {
                padding: 24px 20px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .site-footer {
                padding: 36px 16px 20px;
                margin-top: 40px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .step-item {
                min-width: 180px;
            }
            .timeline-list {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -19px;
            }
            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 767.98px) {
            .content-container {
                padding: 16px 14px;
            }
            .category-hero {
                padding: 24px 18px;
                min-height: 220px;
                border-radius: var(--radius-md);
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-badge {
                font-size: 10px;
                padding: 4px 10px;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .btn-glow,
            .btn-outline-light-glow {
                width: 100%;
                justify-content: center;
                padding: 10px 18px;
                font-size: 13px;
            }
            .glass-card {
                padding: 20px 16px;
            }
            .glass-card h3 {
                font-size: 17px;
            }
            .announce-type-card .type-image {
                height: 160px;
            }
            .announce-type-card .type-body {
                padding: 16px 16px 18px;
            }
            .announce-type-card .type-body h3 {
                font-size: 16px;
            }
            .announce-type-card .type-body p {
                font-size: 13px;
            }
            .metric-item .metric-number {
                font-size: 24px;
            }
            .metric-item {
                padding: 14px 10px;
                min-width: 120px;
            }
            .brand-intro-section h2 {
                font-size: 18px;
            }
            .brand-intro-section p {
                font-size: 13px;
            }
            .faq-accordion .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-body {
                font-size: 13px;
                padding: 12px 16px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero {
                padding: 20px 14px;
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
                line-height: 1.6;
            }
            .section-heading h2 {
                font-size: 19px;
            }
            .metrics-row {
                gap: 8px;
            }
            .metric-item {
                min-width: calc(50% - 8px);
                padding: 12px 8px;
            }
            .step-item {
                min-width: 150px;
                padding: 0 8px;
            }
            .step-item .step-number {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .step-item .step-title {
                font-size: 13px;
            }
            .step-item .step-desc {
                font-size: 12px;
            }
            .timeline-list {
                padding-left: 18px;
            }
            .timeline-list::before {
                left: 6px;
            }
            .timeline-item::before {
                left: -15px;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }
        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }
        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }
        .side-nav-list li {
            margin-bottom: 4px;
        }
        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }
        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }
        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }
        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }
        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 20%;
            height: 60%;
            width: 3px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 14px rgba(45, 212, 191, 0.5);
        }
        .side-nav-footer {
            padding: 16px 20px;
            font-size: 11px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            line-height: 1.6;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .main-wrapper {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-base);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
        }
        .mobile-topbar .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 13px;
            border-radius: 8px;
        }
        .mobile-topbar .logo-text {
            font-size: 14px;
            margin-left: 8px;
        }
        .hamburger-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .drawer-overlay.show {
            opacity: 1;
        }

        .content-container {
            max-width: 1440px;
            width: 100%;
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-footer {
            background: rgba(10, 18, 36, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 32px;
            margin-top: auto;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }
        .footer-brand .logo-mark {
            width: 36px;
            height: 36px;
            font-size: 14px;
        }
        .footer-brand .logo-text {
            font-size: 15px;
        }
        .footer-statement {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-links-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-link-list li {
            margin-bottom: 8px;
        }
        .footer-link-list a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-link-list a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 0 40px rgba(45, 212, 191, 0.12);
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(45, 212, 191, 0.08);
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary-glow:hover {
            background: rgba(45, 212, 191, 0.18);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.5);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .btn-primary-glow:active {
            transform: scale(0.98);
        }

        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline-glow:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.05);
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
            transform: translateY(-2px);
        }

        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.3);
            color: var(--accent);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.15em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-tag::before {
            content: '';
            width: 24px;
            height: 1px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(45, 212, 191, 0.5);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .section-title .highlight {
            color: var(--accent);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 18, 36, 0.85) 0%, rgba(10, 18, 36, 0.65) 40%, rgba(15, 29, 58, 0.5) 100%);
            z-index: 1;
        }
        .hero-geometry {
            position: absolute;
            inset: 0;
            z-index: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .hero-geometry::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 480px;
            height: 480px;
            border: 1px solid rgba(45, 212, 191, 0.15);
            border-radius: 50%;
        }
        .hero-geometry::after {
            content: '';
            position: absolute;
            top: -20px;
            right: 10px;
            width: 320px;
            height: 320px;
            border: 1px solid rgba(45, 212, 191, 0.08);
            border-radius: 50%;
        }
        .hero-geometry .geo-line {
            position: absolute;
            background: rgba(45, 212, 191, 0.1);
            transform-origin: left center;
        }
        .hero-geometry .geo-line:nth-child(1) {
            top: 25%;
            right: 0;
            width: 300px;
            height: 1px;
            transform: rotate(-20deg);
        }
        .hero-geometry .geo-line:nth-child(2) {
            top: 45%;
            right: 0;
            width: 240px;
            height: 1px;
            transform: rotate(-14deg);
        }
        .hero-geometry .geo-line:nth-child(3) {
            top: 62%;
            right: 0;
            width: 180px;
            height: 1px;
            transform: rotate(-8deg);
        }

        .page-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-color: var(--bg-tertiary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            margin-bottom: 40px;
            padding: 48px 40px;
        }
        .page-hero .container-fluid,
        .page-hero .content-container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            margin-left: 4px;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .page-hero .hero-desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 0;
        }

        .feature-grid {
            margin-bottom: 48px;
        }
        .feature-grid .col-lg-7 .glass-card,
        .feature-grid .col-lg-5 .glass-card {
            height: 100%;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-grid .col-lg-5 .glass-card {
            min-height: 104px;
            padding: 20px 24px;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.18), rgba(45, 212, 191, 0.04));
            border: 1px solid rgba(45, 212, 191, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .feature-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .feature-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .feature-number {
            font-family: var(--font-display);
            font-size: 48px;
            font-weight: 700;
            color: rgba(45, 212, 191, 0.15);
            position: absolute;
            top: 12px;
            right: 20px;
            letter-spacing: -0.02em;
            pointer-events: none;
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .benefit-list li:last-child {
            border-bottom: none;
        }
        .benefit-list li i {
            color: var(--accent);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .tier-compare {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }
        .tier-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 0 32px rgba(45, 212, 191, 0.1);
        }
        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: 0 0 40px rgba(45, 212, 191, 0.15);
            background: rgba(45, 212, 191, 0.05);
        }
        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--accent);
            color: #0A1224;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.5);
        }
        .tier-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }
        .tier-tagline {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .tier-highlight {
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.01em;
            margin-bottom: 4px;
            line-height: 1;
        }
        .tier-highlight span {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
            margin-left: 4px;
        }
        .tier-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .tier-cta {
            margin-top: auto;
        }

        .testimonial-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all var(--transition-base);
            height: 100%;
        }
        .testimonial-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-3px);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.08);
        }
        .testimonial-quote {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(45, 212, 191, 0.15);
            border: 1px solid rgba(45, 212, 191, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-base);
            margin-bottom: 12px;
        }
        .faq-item:hover {
            border-color: rgba(45, 212, 191, 0.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            letter-spacing: 0.02em;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .partner-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 10px 20px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .partner-tag:hover {
            border-color: rgba(45, 212, 191, 0.35);
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.05);
        }
        .partner-tag i {
            color: var(--accent);
            font-size: 12px;
        }

        .stat-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 24px;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stat-number {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        .pathway-steps {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 12px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
        }
        .pathway-steps::-webkit-scrollbar {
            height: 4px;
        }
        .pathway-steps::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
        }
        .pathway-step {
            scroll-snap-align: start;
            flex: 0 0 280px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: relative;
            transition: all var(--transition-base);
        }
        .pathway-step:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.1);
        }
        .step-number {
            font-family: var(--font-display);
            font-size: 40px;
            font-weight: 700;
            color: rgba(45, 212, 191, 0.2);
            margin-bottom: 8px;
            line-height: 1;
        }
        .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .step-line {
            flex: 0 0 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(45, 212, 191, 0.4);
            font-size: 14px;
        }

        @media (max-width: 991.98px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .drawer-overlay.show {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .mobile-topbar {
                display: flex;
            }
            .content-container {
                padding: 0 16px;
            }
            .page-hero {
                padding: 40px 24px;
                min-height: 240px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
        }

        @media (max-width: 575.98px) {
            .content-container {
                padding: 0 12px;
            }
            .page-hero {
                padding: 32px 18px;
                min-height: 220px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn-primary-glow,
            .btn-outline-glow {
                padding: 10px 20px;
                font-size: 13px;
            }
            .tier-compare {
                grid-template-columns: 1fr;
            }
            .pathway-step {
                flex: 0 0 240px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0A1224;
            --bg-secondary: #0B1528;
            --bg-tertiary: #0F1D3A;
            --text-primary: #FFFFFF;
            --text-body: #C9D2E0;
            --text-secondary: #8A97A8;
            --text-muted: #5E6C80;
            --accent: #2DD4BF;
            --accent-hover: #38E1C6;
            --accent-glow: rgba(45, 212, 191, 0.45);
            --accent-dim: rgba(45, 212, 191, 0.08);
            --gold: #E7D5A8;
            --silver: #A5B4C6;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-dark: rgba(10, 18, 36, 0.55);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(45, 212, 191, 0.4);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --side-nav-width: 252px;
            --topbar-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
            --font-display: "Barlow Condensed", "DIN Alternate", "Inter", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-nav-width);
            height: 100vh;
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .side-nav::-webkit-scrollbar {
            width: 4px;
        }
        .side-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .side-nav-logo {
            height: 72px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            flex-shrink: 0;
            letter-spacing: 0;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.25);
        }

        .logo-text {
            margin-left: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo-text .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: 2px;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 12px;
            margin: 0;
            flex: 1;
        }
        .side-nav-list li {
            margin-bottom: 4px;
        }

        .side-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--silver);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            position: relative;
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }
        .side-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }
        .side-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(3px);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .side-nav-link:hover .nav-icon {
            opacity: 1;
        }
        .side-nav-link.active {
            color: var(--text-primary);
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: inset 0 0 20px rgba(45, 212, 191, 0.05);
        }
        .side-nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
            box-shadow: 0 0 12px rgba(45, 212, 191, 0.6);
        }

        .side-nav-footer {
            padding: 16px 20px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            letter-spacing: 0.04em;
            line-height: 1.8;
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: rgba(10, 18, 36, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1049;
            align-items: center;
            padding: 0 16px;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            transition: color var(--transition-fast);
        }
        .mobile-topbar .hamburger-btn:hover {
            color: var(--accent);
        }
        .mobile-topbar .mobile-logo {
            display: flex;
            align-items: center;
            margin-left: 12px;
        }
        .mobile-topbar .mobile-logo .logo-text {
            font-size: 15px;
        }
        .mobile-topbar .mobile-logo .logo-mark {
            width: 32px;
            height: 32px;
            font-size: 13px;
            border-radius: 8px;
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1048;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-overlay.show {
            opacity: 1;
            display: block;
        }

        .main-content {
            margin-left: var(--side-nav-width);
            min-height: 100vh;
            padding: 32px;
        }

        .content-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-wrap a:hover {
            color: var(--accent);
        }
        .breadcrumb-wrap .separator {
            opacity: 0.5;
        }
        .breadcrumb-wrap .current {
            color: var(--accent);
            font-weight: 500;
        }

        .help-hero {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            background: linear-gradient(135deg, rgba(15, 29, 58, 0.8), rgba(10, 18, 36, 0.9)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--glass-border);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .help-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.06), transparent 50%);
            pointer-events: none;
        }
        .help-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 320px;
            height: 320px;
            border: 1px solid rgba(45, 212, 191, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .help-hero h1 {
            position: relative;
            z-index: 1;
            color: var(--text-primary);
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .help-hero .help-hero-text {
            position: relative;
            z-index: 1;
            color: var(--text-body);
            font-size: 15px;
            max-width: 720px;
            line-height: 1.8;
        }
        .help-search-box {
            position: relative;
            z-index: 1;
            margin-top: 24px;
            max-width: 520px;
        }
        .help-search-box .search-input-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            padding: 10px 18px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .help-search-box .search-input-wrap:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.3);
        }
        .help-search-box input {
            flex: 1;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
            padding: 4px 0;
        }
        .help-search-box input::placeholder {
            color: var(--text-muted);
        }
        .help-search-box .search-icon-btn {
            background: none;
            border: none;
            color: var(--accent);
            font-size: 16px;
            cursor: pointer;
            padding: 4px;
        }

        .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
            position: relative;
            z-index: 1;
        }
        .hot-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-body);
            font-size: 12px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hot-tag:hover {
            background: rgba(45, 212, 191, 0.1);
            border-color: rgba(45, 212, 191, 0.4);
            color: var(--accent);
        }

        .section-title-block {
            margin-bottom: 28px;
        }
        .section-title-block .section-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title-block h2 {
            color: var(--text-primary);
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .section-title-block p {
            color: var(--text-secondary);
            font-size: 14px;
            max-width: 700px;
            line-height: 1.7;
        }

        .help-topic-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
            margin-bottom: 48px;
        }
        .help-topic-main-card {
            grid-row: span 2;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 32px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: 320px;
        }
        .help-topic-main-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 36px rgba(45, 212, 191, 0.12);
            transform: translateY(-4px);
        }
        .help-topic-main-card .topic-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 22px;
            margin-bottom: 20px;
        }
        .help-topic-main-card h3 {
            color: var(--text-primary);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .help-topic-main-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }
        .help-topic-main-card .topic-link-btn {
            align-self: flex-start;
            display: inline-block;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--accent-dim);
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .help-topic-main-card .topic-link-btn:hover {
            background: rgba(45, 212, 191, 0.18);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.45);
            color: var(--accent-hover);
        }
        .help-topic-small-card {
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            padding: 20px 22px;
            transition: all var(--transition-base);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .help-topic-small-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 24px rgba(45, 212, 191, 0.08);
            transform: translateY(-3px);
        }
        .help-topic-small-card .small-topic-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--silver);
            font-size: 16px;
            flex-shrink: 0;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        .help-topic-small-card:hover .small-topic-icon {
            color: var(--accent);
            border-color: rgba(45, 212, 191, 0.3);
        }
        .help-topic-small-card h4 {
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .help-topic-small-card p {
            color: var(--text-secondary);
            font-size: 13px;
            margin: 0;
            line-height: 1.6;
        }

        .faq-section {
            margin-bottom: 48px;
        }
        .faq-accordion .accordion-item {
            background: rgba(10, 18, 36, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(45, 212, 191, 0.25);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(45, 212, 191, 0.04);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(45, 212, 191, 0.3);
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--text-secondary);
            transition: transform var(--transition-base), color var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-accordion .accordion-body {
            padding: 18px 24px 22px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            background: rgba(255, 255, 255, 0.02);
        }

        .self-service-steps {
            margin-bottom: 48px;
        }
        .steps-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 38px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.5), rgba(45, 212, 191, 0.2));
            z-index: 0;
        }
        .step-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 10px;
        }
        .step-item .step-number-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(10, 18, 36, 0.9);
            border: 2px solid rgba(45, 212, 191, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            margin: 0 auto 14px;
            font-family: var(--font-display);
            box-shadow: 0 0 18px rgba(45, 212, 191, 0.2);
            transition: all var(--transition-base);
        }
        .step-item:hover .step-number-circle {
            border-color: var(--accent);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.4);
        }
        .step-item h5 {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 12px;
            line-height: 1.6;
            margin: 0;
        }

        .contact-cta-section {
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(15, 29, 58, 0.7), rgba(10, 18, 36, 0.9)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--glass-border);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }
        .contact-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 212, 191, 0.08), transparent 60%);
            pointer-events: none;
        }
        .contact-cta-section .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .contact-cta-section h3 {
            color: var(--text-primary);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .contact-cta-section p {
            color: var(--text-body);
            font-size: 14px;
            max-width: 600px;
            margin: 0;
        }
        .cta-action-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-glow {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 999px;
            background: var(--accent-dim);
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-glow:hover {
            background: rgba(45, 212, 191, 0.18);
            box-shadow: 0 0 28px rgba(45, 212, 191, 0.45);
            color: var(--accent-hover);
        }
        .btn-outline-glow {
            display: inline-block;
            padding: 12px 26px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-outline-glow:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .service-hours-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 48px;
        }
        .service-hour-card {
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .service-hour-card:hover {
            border-color: rgba(45, 212, 191, 0.25);
            box-shadow: 0 0 20px rgba(45, 212, 191, 0.06);
        }
        .service-hour-card .hour-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .service-hour-card h5 {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .service-hour-card p {
            color: var(--text-secondary);
            font-size: 13px;
            margin: 0;
        }

        .site-footer {
            margin-top: 16px;
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            background: rgba(10, 18, 36, 0.7);
            position: relative;
            z-index: 2;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }
        .footer-brand .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            font-size: 14px;
        }
        .footer-brand .logo-text {
            font-size: 15px;
        }
        .footer-statement {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.8;
            max-width: 340px;
            margin: 0;
        }
        .footer-links-title {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-link-list li {
            margin-bottom: 8px;
        }
        .footer-link-list a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-link-list a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .beian-info {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1200px) {
            .help-topic-grid {
                grid-template-columns: 1fr;
            }
            .help-topic-main-card {
                grid-row: auto;
            }
            .steps-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .steps-row::before {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding: 16px;
                padding-top: calc(var(--topbar-height) + 16px);
            }
            .help-hero {
                padding: 28px 22px;
            }
            .help-hero h1 {
                font-size: 28px;
            }
            .service-hours-bar {
                grid-template-columns: 1fr;
            }
            .contact-cta-section {
                padding: 32px 24px;
            }
            .contact-cta-section .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767.98px) {
            .help-hero h1 {
                font-size: 24px;
            }
            .help-hero .help-hero-text {
                font-size: 14px;
            }
            .section-title-block h2 {
                font-size: 22px;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-item {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 14px;
            }
            .step-item .step-number-circle {
                width: 42px;
                height: 42px;
                font-size: 15px;
                margin: 0;
                flex-shrink: 0;
            }
            .help-topic-main-card {
                padding: 24px 20px;
            }
            .help-topic-small-card {
                padding: 16px;
                flex-direction: column;
                gap: 10px;
            }
            .help-search-box .search-input-wrap {
                padding: 8px 14px;
            }
        }

        @media (max-width: 520px) {
            .help-hero h1 {
                font-size: 20px;
                letter-spacing: 0;
            }
            .help-hero {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .section-title-block h2 {
                font-size: 19px;
            }
            .cta-action-btns {
                flex-direction: column;
                width: 100%;
            }
            .cta-action-btns .btn-glow,
            .cta-action-btns .btn-outline-glow {
                text-align: center;
                display: block;
            }
            .footer-brand {
                flex-wrap: wrap;
            }
        }