/* roulang page: index */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 72px;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }
        @media(min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media(min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        .section-pad {
            padding: 72px 0;
        }
        @media(min-width: 768px) {
            .section-pad {
                padding: 96px 0;
            }
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }
        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        @media(max-width: 767px) {
            .glass-card {
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
                border-radius: 14px;
            }
        }

        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }
        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }

        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }
        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.25);
        }
        .badge-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #A78BFA;
            border: 1px solid rgba(139, 92, 246, 0.25);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        @media(min-width: 768px) {
            .section-title {
                font-size: 32px;
            }
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }

        .text-highlight {
            color: var(--accent-cyan);
        }

        .h1-hero {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        @media(min-width: 768px) {
            .h1-hero {
                font-size: 46px;
                line-height: 1.25;
            }
        }

        .hero-bg {
            background-image:
                linear-gradient(180deg, rgba(10, 14, 26, 0.6) 0%, rgba(10, 14, 26, 0.9) 100%),
                url('/assets/images/fccc934ec8a1cbd5.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 70% 30%, rgba(30, 144, 255, 0.18) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 45%);
            pointer-events: none;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.8);
            backdrop-filter: blur(14px) saturate(1.2);
            -webkit-backdrop-filter: blur(14px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-main);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 0 18px rgba(30, 144, 255, 0.45);
        }
        .nav-desktop {
            display: none;
            align-items: center;
            gap: 28px;
        }
        @media(min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
        }
        .nav-desktop a {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: var(--transition-base);
        }
        .nav-desktop a:hover {
            color: #fff;
        }
        .nav-desktop a:hover::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
            border-radius: 2px;
        }
        .nav-desktop a.active {
            color: var(--accent-cyan);
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
            border-radius: 2px;
        }
        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.04);
            cursor: pointer;
            color: var(--text-light);
            transition: var(--transition-base);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        @media(min-width: 768px) {
            .hamburger {
                display: none;
            }
        }
        .menu-icon-line {
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            position: relative;
        }
        .menu-icon-line::before,
        .menu-icon-line::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .menu-icon-line::before {
            top: -6px;
        }
        .menu-icon-line::after {
            top: 6px;
        }

        /* Mobile menu */
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 49;
            padding: 24px 20px;
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            color: var(--text-body);
            font-size: 16px;
            font-weight: 500;
            border-radius: 10px;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .mobile-menu-panel a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.08);
        }

        /* Bottom tab */
        .bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.9);
            backdrop-filter: blur(14px) saturate(1.2);
            -webkit-backdrop-filter: blur(14px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            display: flex;
            justify-content: space-around;
        }
        @media(min-width: 768px) {
            .bottom-tab {
                display: none;
            }
        }
        .bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 4px 8px;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition-base);
            min-width: 56px;
        }
        .bottom-tab a svg {
            width: 22px;
            height: 22px;
            transition: var(--transition-base);
        }
        .bottom-tab a.active {
            color: var(--accent-cyan);
        }
        .bottom-tab a.active svg {
            color: var(--accent-cyan);
        }
        .bottom-tab a:hover {
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media(min-width: 768px) {
            .site-footer .container {
                grid-template-columns: 1.2fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }
        .footer-col h3 {
            color: var(--text-light);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 10px;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media(min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: var(--text-muted);
            margin-right: 12px;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* Hero self-test */
        .self-test-options {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .self-test-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-smooth);
        }
        .self-test-chip:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.08);
        }
        .self-test-chip.active {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }

        .result-preview {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-panel);
            padding: 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .progress-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 12px rgba(30, 144, 255, 0.4);
            transition: width 400ms ease-out;
        }

        .accordion-item {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition-base);
            background: rgba(255, 255, 255, 0.03);
        }
        .accordion-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }
        .accordion-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: var(--transition-base);
        }
        .accordion-btn:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .accordion-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--text-muted);
            transition: var(--transition-smooth);
        }
        .accordion-item.open .accordion-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .accordion-content {
            display: none;
            padding: 0 20px 18px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.7;
        }
        .accordion-item.open .accordion-content {
            display: block;
        }
        .accordion-item.open {
            border-color: rgba(30, 144, 255, 0.3);
            background: rgba(255, 255, 255, 0.04);
        }

        .form-input {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 15px;
            width: 100%;
            transition: var(--transition-base);
        }
        .form-input::placeholder {
            color: var(--text-muted);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.15);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
            max-width: 1200px;
            margin: 0 auto;
        }

        .image-cover {
            border-radius: 12px;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: rgba(255, 255, 255, 0.04);
        }
        .image-cover-sm {
            border-radius: 10px;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: rgba(255, 255, 255, 0.04);
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media(max-width: 767px) {
            .section-pad {
                padding: 40px 0;
            }
            .h1-hero {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .glow-btn,
            .ghost-btn {
                padding: 10px 18px;
                font-size: 14px;
                border-radius: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        .section-pad {
            padding: 64px 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 88px 0;
            }
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }
        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .glass-card {
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
                border-radius: 14px;
            }
        }
        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }
        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }
        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }
        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.25);
        }
        .badge-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #A78BFA;
            border: 1px solid rgba(139, 92, 246, 0.25);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-body);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .tag-chip:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.12);
            box-shadow: 0 0 20px rgba(30, 144, 255, 0.25);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-smooth);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.25), rgba(0, 212, 255, 0.15));
            border: 1px solid rgba(30, 144, 255, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(30, 144, 255, 0.35);
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-desktop a {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 8px;
            position: relative;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .nav-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-desktop a.active {
            color: var(--accent-cyan);
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 999px;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.7);
        }
        .hamburger {
            display: none;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 10px;
            cursor: pointer;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: var(--transition-base);
        }
        .hamburger:hover {
            border-color: var(--accent-blue);
            background: rgba(30, 144, 255, 0.1);
        }
        .menu-icon-line {
            width: 20px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            display: block;
        }
        .mobile-menu-panel {
            display: none;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 16px 20px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 6px;
        }
        .mobile-menu-panel a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .mobile-menu-panel a.active {
            color: var(--accent-cyan);
        }
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            display: flex;
            align-items: center;
            justify-content: space-around;
        }
        .mobile-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 10px;
            font-weight: 500;
            color: var(--text-muted);
            flex: 1;
            padding: 6px 2px;
            border-radius: 10px;
            transition: var(--transition-base);
            min-width: 0;
        }
        .mobile-tab-bar a .tab-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }
        .mobile-tab-bar a.active {
            color: var(--accent-cyan);
        }
        .mobile-tab-bar a.active .tab-icon {
            filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
        }
        .mobile-tab-bar a:hover {
            color: #fff;
        }
        @media (max-width: 1023px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-tab-bar {
                display: flex;
            }
            body {
                padding-bottom: 72px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-tab-bar {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }
        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .site-footer .container:first-child {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 767px) {
            .site-footer .container:first-child {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 479px) {
            .site-footer .container:first-child {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb span.sep {
            opacity: 0.5;
        }
        .breadcrumb span.current {
            color: var(--text-body);
        }
        .hero-mini {
            padding: 56px 0 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            background: radial-gradient(ellipse at 70% 30%, rgba(30, 144, 255, 0.06) 0%, transparent 60%);
        }
        .hero-mini h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        @media (min-width: 768px) {
            .hero-mini h1 {
                font-size: 44px;
            }
        }
        .hero-mini .desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .article-strategy-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .article-strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .article-strategy-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .article-strategy-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
            cursor: default;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            height: 100%;
        }
        .article-strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        .article-strategy-card .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }
        .article-strategy-card h3 {
            font-size: 18px;
            font-weight: 650;
            color: var(--text-light);
            line-height: 1.45;
            letter-spacing: 0.01em;
        }
        .article-strategy-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .article-strategy-card .meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .article-strategy-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-base);
        }
        .article-strategy-card:hover .read-more {
            text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
        }
        .strategy-featured-card {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(30, 144, 255, 0.25);
            border-radius: var(--radius-panel);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 32px rgba(30, 144, 255, 0.08);
            transition: var(--transition-smooth);
        }
        .strategy-featured-card:hover {
            border-color: rgba(30, 144, 255, 0.5);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 40px rgba(30, 144, 255, 0.15);
        }
        @media (min-width: 768px) {
            .strategy-featured-card {
                grid-template-columns: 1fr 1.4fr;
            }
        }
        .strategy-featured-card .card-image {
            min-height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .strategy-featured-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 14, 26, 0) 0%, rgba(10, 14, 26, 0.2) 100%);
        }
        .strategy-featured-card .card-content {
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            justify-content: center;
        }
        .strategy-featured-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }
        .strategy-featured-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .method-point-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .method-point-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .method-point-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .method-point-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-tag);
            padding: 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: var(--transition-smooth);
        }
        .method-point-card:hover {
            border-color: rgba(0, 212, 255, 0.4);
            background: rgba(0, 212, 255, 0.05);
            transform: translateY(-2px);
        }
        .method-point-card .num {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }
        .method-point-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
        }
        .method-point-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .chart-placeholder {
            background: rgba(255, 255, 255, 0.025);
            border: 1px dashed rgba(0, 212, 255, 0.3);
            border-radius: var(--radius-card);
            padding: 32px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            min-height: 180px;
            text-align: center;
        }
        .chart-placeholder .bar {
            width: 28px;
            border-radius: 8px 8px 4px 4px;
            background: linear-gradient(180deg, rgba(0, 212, 255, 0.7), rgba(30, 144, 255, 0.25));
            border: 1px solid rgba(0, 212, 255, 0.4);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
        }
        .chart-placeholder .bar-label {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }
        .subscribe-box {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(30, 144, 255, 0.25);
            border-radius: var(--radius-panel);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
            text-align: center;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 32px rgba(30, 144, 255, 0.08);
        }
        .subscribe-box h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .subscribe-box p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            width: 100%;
            max-width: 480px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition-smooth);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
        }
        .privacy-hint {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 72px;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }

        body {
            padding-bottom: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .container {
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding: 72px 0;
        }

        .section-pad {
            padding: 96px 0;
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }

        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }

        .glass-card {
            backdrop-filter: blur(8px) saturate(1.1);
            -webkit-backdrop-filter: blur(8px) saturate(1.1);
            border-radius: 14px;
        }

        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }

        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }

        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }

        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.3);
        }

        .badge-red {
            background: rgba(231, 76, 60, 0.12);
            color: var(--accent-red);
            border: 1px solid rgba(231, 76, 60, 0.3);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(14px) saturate(1.2);
            -webkit-backdrop-filter: blur(14px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 200ms ease;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .logo-link:hover {
            color: var(--accent-cyan);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.9), rgba(0, 212, 255, 0.75));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            box-shadow: 0 0 16px rgba(30, 144, 255, 0.4);
        }

        .nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
        }

        .nav-desktop a {
            padding: 6px 12px;
            font-size: 14px;
            color: var(--text-muted);
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .nav-desktop a:hover {
            color: #fff;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 200ms ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }

        .nav-desktop a.active {
            color: var(--accent-cyan);
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: rgba(30, 144, 255, 0.12);
            border-color: var(--accent-blue);
        }

        .menu-icon-line {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            position: relative;
            transition: var(--transition-base);
        }

        .menu-icon-line::before,
        .menu-icon-line::after {
            content: '';
            position: absolute;
            left: 0;
            width: 18px;
            height: 2px;
            background: inherit;
            border-radius: 2px;
        }

        .menu-icon-line::before {
            top: -6px;
        }

        .menu-icon-line::after {
            top: 6px;
        }

        .mobile-menu-panel {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px 16px 16px;
            background: rgba(10, 14, 26, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-panel.open {
            display: flex;
        }

        .mobile-menu-panel a {
            padding: 10px 12px;
            font-size: 15px;
            color: var(--text-body);
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: rgba(30, 144, 255, 0.1);
            color: var(--accent-cyan);
        }

        .bottom-tab-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: stretch;
            height: 60px;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            background: none;
            padding: 4px 2px;
            min-width: 0;
            position: relative;
        }

        .bottom-tab-item .tab-icon {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }

        .bottom-tab-item svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .bottom-tab-item.active {
            color: var(--accent-cyan);
        }

        .bottom-tab-item:hover {
            color: #fff;
        }

        .bottom-tab-item.active::after {
            content: '';
            position: absolute;
            top: -1px;
            left: 25%;
            right: 25%;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
        }

        .bottom-more-panel {
            position: fixed;
            bottom: 60px;
            left: 0;
            right: 0;
            z-index: 59;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 16px 16px;
            display: none;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            transform: translateY(100%);
            transition: transform 250ms ease;
        }

        .bottom-more-panel.open {
            display: flex;
            transform: translateY(0);
        }

        .bottom-more-panel a {
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-body);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .bottom-more-panel a:hover,
        .bottom-more-panel a.active {
            border-color: var(--accent-blue);
            color: var(--accent-cyan);
        }

        .page-main {
            min-height: calc(100vh - 64px - 440px);
        }

        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition-base);
            line-height: 1.6;
        }

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

        .footer-col p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }

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

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

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

        .breadcrumb .divider {
            color: var(--text-muted);
            opacity: 0.6;
        }

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

        .page-h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .page-subtitle {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 720px;
        }

        .match-filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            backdrop-filter: blur(8px);
        }

        .match-filter-bar label {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .match-filter-bar select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            padding: 6px 10px;
            color: var(--text-light);
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            outline: none;
        }

        .match-filter-bar select:focus {
            border-color: var(--accent-blue);
        }

        .filter-button {
            background: rgba(30, 144, 255, 0.12);
            border: 1px solid rgba(30, 144, 255, 0.3);
            color: var(--accent-cyan);
            border-radius: 8px;
            padding: 6px 14px;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .filter-button:hover {
            background: rgba(30, 144, 255, 0.2);
            border-color: var(--accent-blue);
        }

        .filter-button.active {
            background: var(--accent-blue);
            color: #fff;
            border-color: var(--accent-blue);
            box-shadow: 0 0 16px rgba(30, 144, 255, 0.4);
        }

        .schedule-card {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            padding: 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            backdrop-filter: blur(8px);
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .schedule-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .schedule-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
        }

        .schedule-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }

        .schedule-vs {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 8px;
            border-radius: 4px;
        }

        .schedule-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .hot-scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(30, 144, 255, 0.4) rgba(255, 255, 255, 0.05);
        }

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

        .hot-scroll-row::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
        }

        .hot-scroll-row::-webkit-scrollbar-thumb {
            background: rgba(30, 144, 255, 0.4);
            border-radius: 4px;
        }

        .hot-match-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            padding: 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            backdrop-filter: blur(8px);
            transition: var(--transition-smooth);
            cursor: pointer;
            min-height: 140px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 10px;
        }

        .hot-match-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .data-stat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .data-stat-item {
            padding: 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            text-align: center;
            transition: var(--transition-base);
        }

        .data-stat-item:hover {
            border-color: var(--border-glass-hover);
        }

        .data-stat-number {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }

        .data-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .cta-panel {
            padding: 32px 24px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.12), rgba(0, 212, 255, 0.06));
            border: 1px solid rgba(30, 144, 255, 0.25);
            border-radius: 18px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .topic-card {
            padding: 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            transition: var(--transition-smooth);
            cursor: pointer;
            height: 100%;
        }

        .topic-card:hover {
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        @media (min-width: 640px) {
            .schedule-card {
                grid-template-columns: 120px 1fr auto;
                align-items: center;
            }
            .data-stat-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .hot-match-card {
                flex: 0 0 320px;
            }
            .cta-panel {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
            .hamburger {
                display: none;
            }
            .bottom-tab-nav,
            .bottom-more-panel {
                display: none !important;
            }
            .page-h1 {
                font-size: 38px;
            }
            .section-title {
                font-size: 28px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .schedule-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .topic-grid {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .mobile-menu-panel {
                display: none;
            }
            .mobile-menu-panel.open {
                display: flex;
            }
            body {
                padding-bottom: 60px;
            }
            .bottom-tab-nav {
                display: flex;
            }
            .glass-card {
                border-radius: 14px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .page-h1 {
                font-size: 28px;
            }
            .cta-panel {
                padding: 24px 16px;
            }
            .topic-grid {
                display: grid;
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .schedule-grid {
                display: flex;
                flex-direction: column;
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .schedule-teams {
                font-size: 13px;
                gap: 8px;
            }
            .hot-match-card {
                flex: 0 0 240px;
            }
            .data-stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .data-stat-number {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 72px;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }
        @media (min-width: 768px) {
            body { padding-bottom: 0; }
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; font-size: inherit; }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container { padding-left: 24px; padding-right: 24px; }
        }
        .section-pad { padding: 56px 0; }
        @media (min-width: 768px) {
            .section-pad { padding: 80px 0; }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 40;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 16px rgba(30, 144, 255, 0.4);
        }
        .nav-desktop {
            display: none;
            align-items: center;
            gap: 6px;
        }
        @media (min-width: 992px) {
            .nav-desktop { display: flex; }
        }
        .nav-desktop a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            white-space: nowrap;
        }
        .nav-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop a.active {
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--accent-cyan);
        }
        .hamburger {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .hamburger:hover { background: rgba(255, 255, 255, 0.12); }
        @media (min-width: 992px) {
            .hamburger { display: none; }
        }
        .menu-icon-line,
        .hamburger::before,
        .hamburger::after {
            content: "";
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .hamburger::before { transform: translateY(-3px); }
        .hamburger::after { transform: translateY(3px); }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 50;
            padding: 24px 20px 100px;
            overflow-y: auto;
        }
        .mobile-menu-panel.open { display: block; }
        .mobile-menu-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu-panel a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
        }

        /* Bottom Tab Navigation */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 45;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 4px;
            height: 60px;
        }
        @media (min-width: 992px) {
            .bottom-tab-nav { display: none; }
        }
        .bottom-tab-nav a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 10px;
            transition: var(--transition-base);
            padding: 4px 0;
        }
        .bottom-tab-nav a svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
        }
        .bottom-tab-nav a.active {
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
        }
        .bottom-tab-nav a:hover { color: #fff; }

        /* Glass Cards & Buttons */
        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }
        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .glass-card {
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
                border-radius: 14px;
            }
        }
        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }
        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }
        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-cyan { background: rgba(0, 212, 255, 0.12); color: var(--accent-cyan); border: 1px solid rgba(0, 212, 255, 0.25); }
        .badge-green { background: rgba(16, 185, 129, 0.12); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.25); }
        .badge-amber { background: rgba(245, 158, 11, 0.12); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.25); }
        .badge-blue { background: rgba(30, 144, 255, 0.12); color: var(--accent-blue); border: 1px solid rgba(30, 144, 255, 0.25); }
        .badge-red { background: rgba(231, 76, 60, 0.12); color: var(--accent-red); border: 1px solid rgba(231, 76, 60, 0.25); }

        /* Section titles */
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        @media (min-width: 768px) {
            .section-title { font-size: 2rem; }
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .section-subtitle { font-size: 1.1rem; }
        }

        /* Hero specific */
        .hero-progress-ring {
            position: relative;
            width: 160px;
            height: 160px;
        }
        .hero-progress-ring svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }
        .hero-progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 10;
        }
        .hero-progress-ring .ring-fg {
            fill: none;
            stroke: url(#ringGradient);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 339.292;
            stroke-dashoffset: 108.57;
            transition: stroke-dashoffset 1s ease;
        }
        .hero-progress-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .hero-progress-center .pct {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .hero-progress-center .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Timeline */
        .timeline-item {
            position: relative;
            padding-left: 24px;
            padding-bottom: 24px;
            border-left: 2px solid rgba(255, 255, 255, 0.1);
            margin-left: 8px;
        }
        .timeline-item:last-child { border-left-color: transparent; padding-bottom: 0; }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -6px;
            top: 4px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
        }

        /* Data table */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .data-table th {
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
            color: var(--text-light);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.03);
            white-space: nowrap;
        }
        .data-table td {
            padding: 12px 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-body);
            white-space: nowrap;
        }
        .data-table tr:hover td {
            background: rgba(30, 144, 255, 0.04);
        }

        /* Footer */
        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 32px;
            margin-top: 40px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media (min-width: 768px) {
            .site-footer .container { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
        }
        .footer-col { display: flex; flex-direction: column; gap: 8px; }
        .footer-col h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer-col a:hover { color: var(--accent-cyan); transform: translateX(3px); }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            margin-top: 32px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (min-width: 768px) {
            .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover { color: var(--accent-cyan); }

        /* Misc */
        .rank-bar {
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }
        .rank-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            transition: width 0.8s ease;
        }
        .avatar-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(30,144,255,0.3), rgba(0,212,255,0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            border: 1px solid rgba(255,255,255,0.15);
        }
        .scrollbar-hide::-webkit-scrollbar { display: none; }
        .scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* roulang page: category4 */
:root {
      --bg-deep: #0A0E1A;
      --bg-card: #0D1626;
      --bg-panel: #101B30;
      --accent-blue: #1E90FF;
      --accent-cyan: #00D4FF;
      --accent-green: #10B981;
      --accent-amber: #F59E0B;
      --accent-red: #E74C3C;
      --text-main: #F8FAFC;
      --text-body: #C4D1E6;
      --text-muted: #7C8DB0;
      --text-light: #E8EDF5;
      --border-glass: rgba(255, 255, 255, 0.12);
      --border-glass-hover: rgba(30, 144, 255, 0.5);
      --radius-card: 16px;
      --radius-tag: 10px;
      --radius-panel: 20px;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
      --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
      --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
      --transition-base: all 200ms ease-out;
      --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-body);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
      background-image:
        radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-base);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--accent-cyan);
      outline-offset: 2px;
      border-radius: 4px;
    }

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

    button,
    input {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 16px;
      padding-right: 16px;
    }

    .section-pad {
      padding: 72px 0;
    }

    .glass-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(12px) saturate(1.2);
      -webkit-backdrop-filter: blur(12px) saturate(1.2);
      transition: var(--transition-smooth);
    }

    .glass-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: var(--border-glass-hover);
      transform: translateY(-2px);
    }

    .glow-btn {
      background: var(--accent-blue);
      color: #fff;
      border-radius: 12px;
      padding: 12px 24px;
      font-weight: 600;
      font-size: 15px;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow-blue);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      letter-spacing: 0.01em;
    }

    .glow-btn:hover {
      background: #0F7AE5;
      box-shadow: var(--shadow-glow-cyan);
      transform: translateY(-1px);
    }

    .glow-btn:active {
      transform: scale(0.98);
      box-shadow: var(--shadow-glow-blue);
    }

    .ghost-btn {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: var(--text-light);
      border-radius: 12px;
      padding: 12px 24px;
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .ghost-btn:hover {
      border-color: var(--accent-blue);
      color: #fff;
      background: rgba(30, 144, 255, 0.1);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 3px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 500;
      line-height: 1.5;
      letter-spacing: 0.02em;
    }

    .badge-cyan {
      background: rgba(0, 212, 255, 0.12);
      color: var(--accent-cyan);
      border: 1px solid rgba(0, 212, 255, 0.25);
    }

    .badge-green {
      background: rgba(16, 185, 129, 0.12);
      color: var(--accent-green);
      border: 1px solid rgba(16, 185, 129, 0.25);
    }

    .badge-amber {
      background: rgba(245, 158, 11, 0.12);
      color: var(--accent-amber);
      border: 1px solid rgba(245, 158, 11, 0.25);
    }

    .badge-blue {
      background: rgba(30, 144, 255, 0.12);
      color: var(--accent-blue);
      border: 1px solid rgba(30, 144, 255, 0.25);
    }

    .text-muted {
      color: var(--text-muted);
    }

    .text-body {
      color: var(--text-body);
    }

    .text-light {
      color: var(--text-light);
    }

    .text-main {
      color: var(--text-main);
    }

    .site-header {
      background: rgba(10, 14, 26, 0.8);
      backdrop-filter: blur(12px) saturate(1.2);
      -webkit-backdrop-filter: blur(12px) saturate(1.2);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: sticky;
      top: 0;
      z-index: 50;
    }

    .logo-link {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      color: var(--text-main);
      letter-spacing: 0.02em;
    }

    .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(30, 144, 255, 0.18);
      border: 1px solid rgba(30, 144, 255, 0.35);
      color: var(--accent-cyan);
      text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
      font-size: 18px;
    }

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-left: 32px;
    }

    .nav-desktop a {
      font-size: 15px;
      color: var(--text-body);
      padding: 4px 0;
      border-bottom: 2px solid transparent;
      transition: var(--transition-base);
    }

    .nav-desktop a:hover,
    .nav-desktop a.active {
      color: var(--text-light);
      border-bottom-color: var(--accent-cyan);
      text-shadow: 0 0 6px rgba(0, 212, 255, 0.5);
    }

    .hamburger {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .menu-icon-line {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-light);
      margin: 4px 0;
      border-radius: 2px;
    }

    .mobile-menu-panel {
      display: none;
      background: rgba(10, 14, 26, 0.97);
      backdrop-filter: blur(12px) saturate(1.2);
      -webkit-backdrop-filter: blur(12px) saturate(1.2);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 16px 0;
    }

    .mobile-menu-panel.open {
      display: block;
    }

    .mobile-menu-panel nav {
      display: flex;
      flex-direction: column;
    }

    .mobile-menu-panel nav a {
      padding: 12px 24px;
      color: var(--text-body);
      font-size: 16px;
      border-left: 2px solid transparent;
    }

    .mobile-menu-panel nav a:hover,
    .mobile-menu-panel nav a.active {
      color: var(--text-light);
      border-left-color: var(--accent-cyan);
      background: rgba(30, 144, 255, 0.06);
    }

    .mobile-bottom-tab {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(10, 14, 26, 0.92);
      backdrop-filter: blur(14px) saturate(1.4);
      -webkit-backdrop-filter: blur(14px) saturate(1.4);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      z-index: 60;
      padding-bottom: env(safe-area-inset-bottom);
    }

    .mobile-bottom-tab nav {
      display: flex;
      align-items: center;
      justify-content: space-around;
      height: 56px;
    }

    .mobile-bottom-tab a {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: 11px;
      color: var(--text-muted);
      transition: var(--transition-base);
      width: 20%;
    }

    .mobile-bottom-tab a.active {
      color: var(--accent-cyan);
      text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
    }

    .mobile-bottom-tab .tab-icon {
      width: 20px;
      height: 20px;
      display: block;
      fill: currentColor;
    }

    .footer-col {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .footer-col a {
      color: var(--text-muted);
      font-size: 14px;
      transition: var(--transition-base);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 48px;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-muted);
    }

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

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

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 32px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .breadcrumb a {
      color: var(--text-muted);
      transition: var(--transition-base);
    }

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

    .breadcrumb .sep {
      color: var(--text-muted);
      opacity: 0.6;
    }

    .news-list-item {
      padding: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: var(--transition-base);
    }

    .news-list-item:hover {
      background: rgba(30, 144, 255, 0.04);
    }

    .news-list-item:last-child {
      border-bottom: none;
    }

    .news-date {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .news-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin: 4px 0 8px;
    }

    .news-summary {
      color: var(--text-body);
      font-size: 15px;
      line-height: 1.8;
    }

    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-cyan);
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition-base);
    }

    .read-more:hover {
      gap: 10px;
      text-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
    }

    .tag-filter {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
    }

    .tag-chip {
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 14px;
      color: var(--text-body);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-glass);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .tag-chip:hover,
    .tag-chip.active {
      color: #fff;
      border-color: var(--accent-cyan);
      background: rgba(0, 212, 255, 0.12);
      box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
    }

    .ticker {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-glass);
      border-radius: 12px;
      padding: 14px 18px;
      overflow: hidden;
      white-space: nowrap;
      color: var(--text-body);
      font-size: 14px;
      position: relative;
    }

    .ticker-inner {
      display: inline-block;
      padding-left: 100%;
      animation: ticker-scroll 28s linear infinite;
    }

    @keyframes ticker-scroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-100%); }
    }

    .ticker-item {
      display: inline-block;
      margin-right: 48px;
    }

    .ticker-item strong {
      color: var(--accent-cyan);
      margin-right: 8px;
    }

    .hot-headline {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 24px;
      align-items: center;
    }

    .hot-headline .headline-tag {
      margin-bottom: 8px;
    }

    .hot-headline h3 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .hot-headline p {
      color: var(--text-body);
      font-size: 15px;
      line-height: 1.8;
    }

    .hot-headline img {
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      height: 100%;
      object-fit: cover;
      min-height: 220px;
    }

    .hot-topic-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hot-topic-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .hot-topic-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .hot-topic-item .topic-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-light);
    }

    .hot-topic-item .topic-count {
      font-size: 13px;
      color: var(--text-muted);
      white-space: nowrap;
    }

    .subscribe-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-panel);
      padding: 40px;
      text-align: center;
    }

    .subscribe-box h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .subscribe-box p {
      color: var(--text-body);
      margin-bottom: 24px;
      font-size: 15px;
    }

    .subscribe-form {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .subscribe-form input {
      flex: 1 1 260px;
      padding: 12px 16px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-glass);
      color: var(--text-main);
      transition: var(--transition-base);
    }

    .subscribe-form input:focus {
      border-color: var(--accent-blue);
      box-shadow: 0 0 16px rgba(30, 144, 255, 0.25);
      outline: none;
    }

    .privacy-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 12px;
    }

    @media (max-width: 1024px) {
      .nav-desktop {
        gap: 16px;
      }
      .hot-headline {
        grid-template-columns: 1fr;
      }
      .hot-headline img {
        max-height: 260px;
      }
    }

    @media (max-width: 768px) {
      .nav-desktop {
        display: none;
      }
      .hamburger {
        display: block;
      }
      .mobile-bottom-tab {
        display: block;
      }
      body {
        padding-bottom: 56px;
      }
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }
      .section-pad {
        padding: 48px 0;
      }
      .section-title {
        font-size: 24px;
      }
      .hot-headline h3 {
        font-size: 22px;
      }
      .subscribe-box {
        padding: 24px 18px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }
      .glass-card {
        backdrop-filter: blur(8px) saturate(1.1);
        -webkit-backdrop-filter: blur(8px) saturate(1.1);
        border-radius: 14px;
      }
    }

    @media (max-width: 520px) {
      .section-title {
        font-size: 22px;
      }
      .news-title {
        font-size: 18px;
      }
      .news-list-item {
        padding: 18px 12px;
      }
      .hot-topic-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
      .subscribe-form input {
        flex: 1 1 100%;
      }
    }

/* roulang page: category5 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 0;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding: 96px 0;
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }

        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }

        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }

        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }

        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }

        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.25);
        }
        .badge-red {
            background: rgba(231, 76, 60, 0.12);
            color: var(--accent-red);
            border: 1px solid rgba(231, 76, 60, 0.25);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(16px) saturate(1.3);
            -webkit-backdrop-filter: blur(16px) saturate(1.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.25), rgba(0, 212, 255, 0.15));
            border: 1px solid rgba(30, 144, 255, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(30, 144, 255, 0.25);
        }

        .nav-desktop {
            display: none;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-desktop a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .nav-desktop a:hover {
            color: #fff;
            background: rgba(30, 144, 255, 0.08);
        }

        .nav-desktop a.active {
            color: var(--accent-cyan);
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }

        .hamburger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            padding: 0;
        }

        .menu-icon-line,
        .menu-icon-line::before,
        .menu-icon-line::after {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            content: '';
            transition: var(--transition-base);
        }

        .menu-icon-line {
            position: relative;
        }

        .menu-icon-line::before {
            position: absolute;
            top: -5px;
            left: 0;
        }

        .menu-icon-line::after {
            position: absolute;
            top: 5px;
            left: 0;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 40;
            padding: 24px 24px 100px;
            overflow-y: auto;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-menu-panel.open {
            display: flex;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            color: #fff;
            background: rgba(30, 144, 255, 0.12);
            border-color: rgba(30, 144, 255, 0.4);
        }

        .bottom-tabs {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
        }

        .bottom-tab {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 6px 2px;
            font-size: 11px;
            color: var(--text-muted);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            background: transparent;
            border: none;
            min-width: 0;
        }

        .bottom-tab svg {
            width: 22px;
            height: 22px;
            display: block;
        }

        .bottom-tab:hover {
            color: var(--text-light);
        }

        .bottom-tab.active {
            color: var(--accent-cyan);
        }

        .bottom-tab.active svg {
            filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
        }

        .bottom-more-panel {
            display: none;
            position: fixed;
            bottom: 68px;
            left: 16px;
            right: 16px;
            z-index: 55;
            background: rgba(13, 22, 38, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 12px;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
        }

        .bottom-more-panel.open {
            display: flex;
        }

        .bottom-more-panel a {
            display: block;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 14px;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: var(--transition-base);
        }

        .bottom-more-panel a:hover,
        .bottom-more-panel a.active {
            color: #fff;
            background: rgba(30, 144, 255, 0.12);
            border-color: rgba(30, 144, 255, 0.4);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--text-light);
        }

        .sparkline {
            display: flex;
            align-items: flex-end;
            gap: 3px;
            height: 40px;
            margin-top: 12px;
        }

        .sparkline span {
            flex: 1;
            min-width: 4px;
            border-radius: 2px 2px 0 0;
            background: linear-gradient(180deg, rgba(0, 212, 255, 0.7), rgba(30, 144, 255, 0.25));
            transition: var(--transition-base);
        }

        .sparkline span:hover {
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
        }

        .data-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .real-time-strip {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: rgba(30, 144, 255, 0.3) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .real-time-strip::-webkit-scrollbar {
            height: 4px;
        }

        .real-time-strip::-webkit-scrollbar-track {
            background: transparent;
        }

        .real-time-strip::-webkit-scrollbar-thumb {
            background: rgba(30, 144, 255, 0.3);
            border-radius: 4px;
        }

        .chart-bar-group {
            display: flex;
            align-items: flex-end;
            gap: 10px;
            height: 180px;
            padding: 12px 0;
        }

        .chart-bar-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            min-width: 36px;
        }

        .chart-bar {
            width: 100%;
            max-width: 48px;
            border-radius: 6px 6px 0 0;
            background: linear-gradient(180deg, rgba(0, 212, 255, 0.75), rgba(30, 144, 255, 0.3));
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
            transition: var(--transition-base);
            position: relative;
        }

        .chart-bar:hover {
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.4);
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
        }

        .chart-bar-label {
            font-size: 11px;
            color: var(--text-muted);
            text-align: center;
            line-height: 1.3;
        }

        .chart-bar-value {
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .form-input {
            width: 100%;
            padding: 14px 18px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            font-size: 15px;
            transition: var(--transition-base);
            outline: none;
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .form-input:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.15), 0 0 20px rgba(30, 144, 255, 0.1);
            background: rgba(30, 144, 255, 0.04);
        }

        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 32px;
            margin-top: 48px;
        }

        .site-footer .container:first-child {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 48px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
            align-items: flex-start;
        }

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

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

        .h2-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.01em;
            margin-bottom: 20px;
        }

        .h2-title .highlight {
            color: var(--accent-cyan);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 40px;
        }

        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
            .hamburger {
                display: none;
            }
            .mobile-menu-panel {
                display: none !important;
            }
            .bottom-tabs {
                display: none;
            }
            .bottom-more-panel {
                display: none !important;
            }
            .site-footer .container:first-child {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .h2-title {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            body {
                padding-bottom: 68px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .glass-card {
                border-radius: 14px;
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
            }
            .h2-title {
                font-size: 22px;
            }
            .chart-bar-group {
                height: 140px;
                gap: 6px;
                overflow-x: auto;
            }
            .chart-bar {
                max-width: 36px;
            }
        }

        @media (min-width: 1024px) {
            .section-pad {
                padding: 100px 0;
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 0;
            background-image:
                radial-gradient(ellipse at 15% 10%, rgba(30, 144, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 18%, rgba(0, 212, 255, 0.04) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-light);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--accent-cyan);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.25), rgba(0, 212, 255, 0.15));
            border: 1px solid rgba(30, 144, 255, 0.4);
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 0 14px rgba(30, 144, 255, 0.25);
        }

        .nav-desktop {
            display: none;
            align-items: center;
            gap: 24px;
        }

        .nav-desktop a {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-desktop a:hover {
            color: #fff;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
            transition: width 200ms ease-out;
            border-radius: 2px;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        .nav-desktop a.active {
            color: var(--accent-cyan);
        }

        .hamburger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            flex-direction: column;
            gap: 4px;
        }

        .hamburger .menu-icon-line {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 45;
            flex-direction: column;
            padding: 24px 16px 100px;
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            display: flex;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 14px 12px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            color: var(--accent-cyan);
            background: rgba(30, 144, 255, 0.08);
        }

        /* Bottom Tab */
        .bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-inner {
            display: flex;
            flex: 1;
            justify-content: space-around;
            align-items: stretch;
            max-width: 520px;
            margin: 0 auto;
            width: 100%;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 8px 4px 6px;
            font-size: 10px;
            color: var(--text-muted);
            font-weight: 500;
            border-radius: 10px;
            transition: var(--transition-base);
            min-width: 56px;
        }

        .bottom-tab-item:hover {
            color: var(--text-light);
        }

        .bottom-tab-item.active {
            color: var(--accent-cyan);
        }

        .bottom-tab-item svg {
            width: 20px;
            height: 20px;
            transition: var(--transition-base);
        }

        .bottom-tab-item.active svg {
            filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.55));
        }

        .bottom-more-panel {
            display: none;
            position: fixed;
            bottom: 62px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 14, 26, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top-left-radius: 20px;
            border-top-right-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px;
            padding-bottom: 20px;
            box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
        }

        .bottom-more-panel.open {
            display: block;
        }

        .bottom-more-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            color: var(--text-body);
            transition: var(--transition-base);
        }

        .bottom-more-panel a:hover,
        .bottom-more-panel a.active {
            color: var(--accent-cyan);
            background: rgba(30, 144, 255, 0.08);
        }

        /* Page title section */
        .page-title-section {
            padding: 40px 0 12px;
            background: transparent;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }

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

        .page-title {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .page-title-sub {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
        }

        @media (min-width: 768px) {
            .page-title-section {
                padding: 56px 0 16px;
            }

            .page-title {
                font-size: 40px;
            }

            .page-title-sub {
                font-size: 16px;
            }
        }

        /* Section */
        .section-pad {
            padding: 48px 0;
        }

        @media (min-width: 768px) {
            .section-pad {
                padding: 64px 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 22px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
            .section-desc {
                font-size: 16px;
            }
        }

        /* Glass Card */
        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }

        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }

        @media (max-width: 767px) {
            .glass-card {
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
                border-radius: 14px;
            }
        }

        /* Buttons */
        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }

        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }

        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }

        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        .badge-red {
            background: rgba(231, 76, 60, 0.12);
            color: var(--accent-red);
            border: 1px solid rgba(231, 76, 60, 0.25);
        }

        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.25);
        }

        /* Rule list */
        .rule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rule-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-smooth);
        }

        .rule-item:hover {
            border-color: rgba(30, 144, 255, 0.35);
            background: rgba(30, 144, 255, 0.05);
        }

        .rule-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            border: 1px solid rgba(30, 144, 255, 0.25);
        }

        .rule-content h3 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .rule-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Safety tips */
        .safety-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 640px) {
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .safety-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .safety-card {
            padding: 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--transition-smooth);
        }

        .safety-card:hover {
            border-color: var(--accent-green);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .safety-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.25);
            color: var(--accent-green);
            margin-bottom: 12px;
        }

        .safety-card h3 {
            font-size: 15px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .safety-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Responsible reminder */
        .reminder-box {
            display: flex;
            gap: 16px;
            padding: 24px;
            border-radius: var(--radius-panel);
            background: rgba(245, 158, 11, 0.06);
            border: 1px solid rgba(245, 158, 11, 0.25);
            box-shadow: 0 4px 24px rgba(245, 158, 11, 0.08);
        }

        .reminder-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--accent-amber);
            flex-shrink: 0;
        }

        .reminder-content h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .reminder-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        .reminder-content ul {
            margin-top: 8px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding-left: 0;
            list-style: none;
        }

        .reminder-content ul li {
            font-size: 14px;
            color: var(--text-muted);
            padding-left: 20px;
            position: relative;
        }

        .reminder-content ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-amber);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(30, 144, 255, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
        }

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

        .faq-arrow {
            flex-shrink: 0;
            transition: transform 250ms ease-out;
            color: var(--text-muted);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-color: rgba(30, 144, 255, 0.4);
            background: rgba(30, 144, 255, 0.05);
        }

        /* Footer */
        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 32px;
            margin-top: 48px;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }

        @media (min-width: 768px) {
            .site-footer .container {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: var(--transition-base);
        }

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

        .footer-col p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 8px;
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-start;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }

        /* Responsive nav */
        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }

            .hamburger {
                display: none;
            }

            .bottom-tab {
                display: none;
            }

            .bottom-more-panel {
                display: none;
            }

            body {
                padding-bottom: 0;
            }
        }

        @media (max-width: 767px) {
            .nav-desktop {
                display: none;
            }

            body {
                padding-bottom: 64px;
            }

            .section-pad {
                padding: 40px 0;
            }

            .page-title {
                font-size: 26px;
            }
        }

        /* Misc utility */
        .text-gradient {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.08);
            margin: 0;
        }

        .rule-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-card);
        }

        .rule-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category7 */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: #0D1626;
            --bg-panel: #101B30;
            --accent-blue: #1E90FF;
            --accent-cyan: #00D4FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --accent-red: #E74C3C;
            --text-main: #F8FAFC;
            --text-body: #C4D1E6;
            --text-muted: #7C8DB0;
            --text-light: #E8EDF5;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glass-hover: rgba(30, 144, 255, 0.5);
            --radius-card: 16px;
            --radius-tag: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(30, 144, 255, 0.15);
            --shadow-glow-blue: 0 0 24px rgba(30, 144, 255, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-glow-cyan: 0 0 36px rgba(0, 212, 255, 0.55);
            --transition-base: all 200ms ease-out;
            --transition-smooth: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            padding-bottom: 0;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 144, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                linear-gradient(180deg, #0A0E1A 0%, #0A0E1A 100%);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        .section-pad {
            padding: 48px 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 72px 0;
            }
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(12px) saturate(1.2);
            -webkit-backdrop-filter: blur(12px) saturate(1.2);
            transition: var(--transition-smooth);
        }
        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .glass-card {
                backdrop-filter: blur(8px) saturate(1.1);
                -webkit-backdrop-filter: blur(8px) saturate(1.1);
                border-radius: 14px;
            }
        }
        .glow-btn {
            background: var(--accent-blue);
            color: #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }
        .glow-btn:hover {
            background: #0F7AE5;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .glow-btn:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-glow-blue);
        }
        .ghost-btn {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .ghost-btn:hover {
            border-color: var(--accent-blue);
            color: #fff;
            background: rgba(30, 144, 255, 0.1);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .badge-cyan {
            background: rgba(0, 212, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }
        .badge-amber {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .badge-blue {
            background: rgba(30, 144, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(30, 144, 255, 0.25);
        }
        .badge-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #A78BFA;
            border: 1px solid rgba(139, 92, 246, 0.25);
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(16px) saturate(1.3);
            -webkit-backdrop-filter: blur(16px) saturate(1.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(30, 144, 255, 0.25), rgba(0, 212, 255, 0.15));
            border: 1px solid rgba(0, 212, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent-cyan);
            font-weight: 800;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }
        .nav-desktop {
            display: none;
            align-items: center;
            gap: 4px;
        }
        .nav-desktop a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            transition: var(--transition-base);
            box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
        }
        .nav-desktop a:hover {
            color: #fff;
        }
        .nav-desktop a:hover::after {
            width: 60%;
        }
        .nav-desktop a.active {
            color: var(--accent-cyan);
        }
        .nav-desktop a.active::after {
            width: 60%;
        }
        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            transition: var(--transition-base);
            flex-direction: column;
            gap: 5px;
        }
        .hamburger:hover {
            border-color: var(--accent-blue);
        }
        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        @media (min-width: 1024px) {
            .nav-desktop {
                display: flex;
            }
            .hamburger {
                display: none;
            }
        }
        /* Mobile menu panel */
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 49;
            padding: 24px 16px;
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 14px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            color: var(--accent-cyan);
            background: rgba(30, 144, 255, 0.08);
        }
        /* Bottom Tab Mobile Nav */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 14, 26, 0.94);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.35);
            padding: 4px 0 env(safe-area-inset-bottom, 0);
        }
        .bottom-tab-nav .tab-btn {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 8px 4px 6px;
            background: transparent;
            border: none;
            cursor: pointer;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 500;
            transition: var(--transition-base);
            border-radius: 0;
            letter-spacing: 0.02em;
        }
        .bottom-tab-nav .tab-btn .tab-icon {
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: inherit;
        }
        .bottom-tab-nav .tab-btn:hover {
            color: var(--text-light);
        }
        .bottom-tab-nav .tab-btn.active {
            color: var(--accent-cyan);
        }
        .bottom-tab-nav .tab-btn.active .tab-icon svg {
            filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5));
        }
        .bottom-tab-more-panel {
            display: none;
            position: fixed;
            bottom: 64px;
            left: 0;
            right: 0;
            background: rgba(10, 14, 26, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px 16px 0 0;
            z-index: 49;
            padding: 16px;
            box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5);
        }
        .bottom-tab-more-panel.open {
            display: block;
        }
        .bottom-tab-more-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition-base);
        }
        .bottom-tab-more-panel a:hover,
        .bottom-tab-more-panel a.active {
            color: var(--accent-cyan);
            background: rgba(30, 144, 255, 0.08);
        }
        @media (min-width: 768px) {
            .bottom-tab-nav {
                display: none;
            }
            .bottom-tab-more-panel {
                display: none !important;
            }
            body {
                padding-bottom: 0;
            }
        }
        @media (max-width: 767px) {
            body {
                padding-bottom: 64px;
            }
        }
        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 16px 0 8px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }
        /* Page hero panel */
        .page-hero-panel {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: start;
            padding: 24px;
        }
        @media (min-width: 768px) {
            .page-hero-panel {
                grid-template-columns: 1.4fr 1fr;
                padding: 36px;
                gap: 40px;
            }
        }
        .guide-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 100px;
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        /* Step timeline */
        .step-timeline {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .step-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .step-timeline {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .step-item {
            position: relative;
            padding: 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-smooth);
        }
        .step-item:hover {
            border-color: rgba(30, 144, 255, 0.35);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(30, 144, 255, 0.18);
            border: 1px solid rgba(30, 144, 255, 0.4);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 12px;
        }
        /* Term grid */
        .term-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        @media (min-width: 640px) {
            .term-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .term-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .term-card {
            padding: 16px 18px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-smooth);
        }
        .term-card:hover {
            border-color: rgba(0, 212, 255, 0.35);
            background: rgba(0, 212, 255, 0.04);
        }
        .term-card h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .term-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }
        /* FAQ accordion */
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition-smooth);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-item:last-child {
            margin-bottom: 0;
        }
        .faq-item:hover {
            border-color: rgba(30, 144, 255, 0.25);
        }
        .faq-item.open {
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(0, 212, 255, 0.04);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 18px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 650;
            color: var(--text-light);
            transition: var(--transition-base);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: transform 250ms ease-out;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
        }
        .faq-answer-inner {
            padding: 0 18px 18px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
        }
        /* Footer */
        .site-footer {
            background: #080B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media (min-width: 640px) {
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .site-footer .container {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-col h3 {
            font-size: 14px;
            font-weight: 650;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-start;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 32px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        /* Responsive headings */
        h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        @media (min-width: 768px) {
            h1 {
                font-size: 40px;
            }
        }
        h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.4;
        }
        @media (min-width: 768px) {
            h2 {
                font-size: 28px;
            }
        }
        h3 {
            font-size: 18px;
            font-weight: 650;
            color: var(--text-light);
            line-height: 1.45;
        }
        @media (min-width: 768px) {
            h3 {
                font-size: 20px;
            }
        }
        .text-accent-cyan {
            color: var(--accent-cyan);
        }
        .text-accent-blue {
            color: var(--accent-blue);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-body {
            color: var(--text-body);
        }
        .text-main {
            color: var(--text-main);
        }
        /* Section title with decorative accent */
        .section-heading {
            margin-bottom: 28px;
        }
        @media (min-width: 768px) {
            .section-heading {
                margin-bottom: 40px;
            }
        }
        .section-heading .line-accent {
            display: inline-block;
            width: 40px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            margin-bottom: 12px;
            box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
        }