/* roulang page: index */
:root {
            --bg-primary: #070d1a;
            --bg-elevated: #0f1a33;
            --bg-card: #0a1228;
            --glass-bg: rgba(18, 28, 52, 0.55);
            --glass-border: rgba(110, 190, 255, 0.22);
            --glass-border-hover: rgba(62, 224, 192, 0.55);
            --accent-primary: #2196f3;
            --accent-secondary: #3ee0c0;
            --accent-glow: rgba(62, 224, 192, 0.35);
            --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
            --text-primary: #eaf2ff;
            --text-secondary: #a6b8d6;
            --text-muted: #60718f;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow: 0 0 24px var(--accent-glow);
            --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-secondary);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 0.75rem;
            letter-spacing: 0.02em;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 800;
            letter-spacing: 0.04em;
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
            font-weight: 650;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 90px 0;
            position: relative;
        }
        @media (max-width: 1024px) {
            section {
                padding: 65px 0;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: 40px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
            background: rgba(62, 224, 192, 0.1);
            padding: 6px 14px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
        }

        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }

        .text-glow {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 60px;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(7, 13, 26, 0.96);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-secondary);
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #06101f;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            width: 44px;
            height: 44px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: 10px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1101;
        }
        .hamburger-btn:hover {
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-glow);
        }
        .hamburger-btn .bar {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }
        .hamburger-btn.active .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger-btn.active .bar:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        .header-cta {
            padding: 10px 20px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 0 20px rgba(62, 224, 192, 0.25);
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(62, 224, 192, 0.45);
            color: #06101f;
        }
        .header-cta:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px rgba(62, 224, 192, 0.2);
        }

        /* Drawer Overlay */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            z-index: 1098;
            background: rgba(4, 8, 18, 0.75);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            z-index: 1099;
            width: min(420px, 82%);
            background: linear-gradient(145deg, #0a1228 0%, #070d1a 100%);
            border-left: 1px solid var(--glass-border);
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
            display: flex;
            flex-direction: column;
            padding: 28px 32px;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            overflow-y: auto;
        }
        .drawer-panel.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(110, 190, 255, 0.15);
        }
        .drawer-header .brand-logo {
            font-size: 1.15rem;
        }
        .drawer-close {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            color: var(--text-secondary);
        }
        .drawer-close:hover {
            background: rgba(62, 224, 192, 0.12);
            border-color: var(--glass-border-hover);
            color: var(--accent-secondary);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .drawer-nav a {
            display: block;
            padding: 14px 16px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: 12px;
            letter-spacing: 0.05em;
            border-bottom: 1px solid rgba(110, 190, 255, 0.08);
            transition: all var(--transition-fast);
            position: relative;
        }
        .drawer-nav a:hover,
        .drawer-nav a.active {
            background: rgba(62, 224, 192, 0.08);
            color: var(--accent-secondary);
            padding-left: 24px;
            border-bottom-color: rgba(62, 224, 192, 0.3);
        }
        .drawer-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background: var(--accent-gradient);
            border-radius: 3px;
            transition: height var(--transition-fast);
        }
        .drawer-nav a:hover::after,
        .drawer-nav a.active::after {
            height: 60%;
        }
        .drawer-footer {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(110, 190, 255, 0.12);
        }
        .drawer-footer .drawer-cta {
            display: block;
            padding: 15px 24px;
            border-radius: 14px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            text-align: center;
            letter-spacing: 0.06em;
            transition: all var(--transition-fast);
            box-shadow: 0 0 24px rgba(62, 224, 192, 0.25);
        }
        .drawer-footer .drawer-cta:hover {
            box-shadow: 0 0 36px rgba(62, 224, 192, 0.45);
            transform: translateY(-2px);
            color: #06101f;
        }

        /* Hero Section */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 100px 0 80px;
            background: radial-gradient(ellipse at 30% 40%, rgba(33, 150, 243, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 75% 65%, rgba(62, 224, 192, 0.08) 0%, transparent 50%), linear-gradient(165deg, #070d1a 0%, #0a1228 45%, #0f1a33 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/5a31eccc3a49e872.webp') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 13, 26, 0.7) 0%, rgba(7, 13, 26, 0.4) 50%, rgba(7, 13, 26, 0.85) 100%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 99px;
            background: rgba(62, 224, 192, 0.08);
            border: 1px solid rgba(62, 224, 192, 0.25);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.06em;
            margin-bottom: 1.6rem;
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-secondary);
            animation: pulse 2s ease-in-out infinite;
            box-shadow: 0 0 8px var(--accent-glow);
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: 0.05em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
        }
        .hero-title .highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 700px;
            margin-bottom: 1.6rem;
            font-weight: 450;
        }
        .hero-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.95;
            max-width: 650px;
            margin-bottom: 2.2rem;
            background: rgba(18, 28, 52, 0.45);
            border-left: 3px solid var(--accent-secondary);
            padding: 16px 20px;
            border-radius: 0 14px 14px 0;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.05em;
            transition: all var(--transition-fast);
            box-shadow: 0 0 28px rgba(62, 224, 192, 0.3);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 44px rgba(62, 224, 192, 0.5);
            color: #06101f;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 18px rgba(62, 224, 192, 0.2);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 99px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.05em;
            border: 1px solid var(--glass-border);
            transition: all var(--transition-fast);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(110, 190, 255, 0.1);
            border-color: var(--glass-border-hover);
            color: var(--accent-secondary);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 2.4rem;
            padding-top: 1.6rem;
            border-top: 1px solid rgba(110, 190, 255, 0.15);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-number {
            font-size: 1.9rem;
            font-weight: 800;
            font-family: var(--font-mono);
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        /* Glass Card Base */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-glass);
            padding: 28px 26px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px var(--glass-border-hover), 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 28px rgba(62, 224, 192, 0.12);
        }
        .glass-card:hover::before {
            opacity: 1;
        }
        .glass-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(62, 224, 192, 0.1);
            border: 1px solid rgba(62, 224, 192, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-secondary);
            margin-bottom: 16px;
        }
        .glass-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }
        .glass-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Scene List */
        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .scene-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            padding: 24px 28px;
            border-radius: var(--radius-lg);
            background: rgba(18, 28, 52, 0.35);
            border: 1px solid rgba(110, 190, 255, 0.1);
            transition: all var(--transition-fast);
        }
        .scene-item:hover {
            border-color: var(--glass-border-hover);
            background: rgba(18, 28, 52, 0.55);
        }
        .scene-item .scene-index {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-secondary);
            min-width: 52px;
            text-align: center;
            line-height: 1;
            padding-top: 2px;
        }
        .scene-item .scene-content h3 {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
        }
        .scene-item .scene-content p {
            font-size: 0.93rem;
            margin-bottom: 0;
            line-height: 1.9;
        }
        .scene-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        @media (max-width: 640px) {
            .scene-item,
            .scene-item:nth-child(even) {
                flex-direction: column;
                gap: 12px;
                padding: 18px 18px;
            }
            .scene-item .scene-index {
                font-size: 1.4rem;
                min-width: auto;
            }
        }

        /* Demo Section */
        .demo-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .demo-split .demo-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            position: relative;
            background: var(--bg-elevated);
        }
        .demo-split .demo-visual img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
            opacity: 0.85;
            transition: transform var(--transition-smooth);
        }
        .demo-split .demo-visual:hover img {
            transform: scale(1.03);
            opacity: 1;
        }
        .demo-split .demo-text h2 {
            font-size: 1.9rem;
            margin-bottom: 1rem;
        }
        .demo-split .demo-text p {
            font-size: 0.98rem;
            line-height: 2;
            margin-bottom: 1.2rem;
        }
        @media (max-width: 900px) {
            .demo-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* Article / Deep Content */
        .deep-article {
            max-width: 820px;
            margin: 0 auto;
            background: rgba(18, 28, 52, 0.35);
            border: 1px solid rgba(110, 190, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .deep-article h2 {
            font-size: 1.8rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid rgba(62, 224, 192, 0.25);
        }
        .deep-article h3 {
            font-size: 1.25rem;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            color: var(--accent-secondary);
        }
        .deep-article p {
            font-size: 0.98rem;
            line-height: 2.05;
            color: var(--text-secondary);
            margin-bottom: 1.4rem;
        }
        .deep-article p strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        @media (max-width: 640px) {
            .deep-article {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
        }

        /* Case List */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .case-item {
            padding: 22px 26px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.35);
            border-left: 3px solid var(--accent-secondary);
            border-right: 1px solid rgba(110, 190, 255, 0.08);
            border-top: 1px solid rgba(110, 190, 255, 0.08);
            border-bottom: 1px solid rgba(110, 190, 255, 0.08);
            transition: all var(--transition-fast);
        }
        .case-item:hover {
            background: rgba(18, 28, 52, 0.55);
            border-left-color: var(--accent-primary);
        }
        .case-item .case-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 6px;
        }
        .case-item .case-number {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-secondary);
        }
        .case-item h3 {
            font-size: 1.05rem;
            margin-bottom: 0;
        }
        .case-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.9;
        }
        .case-item .case-metric {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.85rem;
            color: var(--accent-secondary);
            font-weight: 600;
            background: rgba(62, 224, 192, 0.08);
            padding: 4px 12px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.2);
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: linear-gradient(145deg, rgba(15, 26, 51, 0.8) 0%, rgba(7, 13, 26, 0.9) 100%);
            border: 1px solid rgba(110, 190, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 42px 36px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .stat-card {
            text-align: center;
            padding: 14px 8px;
        }
        .stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
            text-shadow: 0 0 24px var(--accent-glow);
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            letter-spacing: 0.05em;
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding: 28px 22px;
            }
        }
        @media (max-width: 480px) {
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .price-card {
            position: relative;
            padding: 36px 30px;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .price-card.featured {
            border-color: rgba(62, 224, 192, 0.5);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.4), 0 12px 44px rgba(0, 0, 0, 0.4), 0 0 40px rgba(62, 224, 192, 0.15);
            transform: translateY(-8px);
        }
        .price-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-6px);
        }
        .price-card.featured:hover {
            transform: translateY(-10px);
        }
        .price-card .price-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-secondary);
            background: rgba(62, 224, 192, 0.1);
            padding: 4px 12px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.2);
            margin-bottom: 14px;
            width: fit-content;
        }
        .price-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .price-card .price-amount {
            font-family: var(--font-mono);
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }
        .price-card .price-unit {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .price-card ul {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            flex: 1;
        }
        .price-card ul li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 7px 0;
            border-bottom: 1px solid rgba(110, 190, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-card ul li::before {
            content: '✓';
            color: var(--accent-secondary);
            font-weight: 700;
            font-size: 0.95rem;
        }
        .price-card .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 13px 20px;
            font-size: 0.95rem;
        }
        @media (max-width: 900px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .price-card.featured {
                transform: translateY(0);
            }
            .price-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        /* Review Wall */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            padding: 24px 22px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.4);
            border: 1px solid rgba(110, 190, 255, 0.1);
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--glass-border-hover);
            background: rgba(18, 28, 52, 0.55);
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .review-card .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #06101f;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .review-card .review-name {
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .review-card .review-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .review-card p {
            font-size: 0.9rem;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        @media (max-width: 900px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Horizontal Scroll Cards */
        .horizontal-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(62, 224, 192, 0.3) transparent;
        }
        .horizontal-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .horizontal-scroll::-webkit-scrollbar-track {
            background: rgba(18, 28, 52, 0.3);
            border-radius: 99px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb {
            background: rgba(62, 224, 192, 0.35);
            border-radius: 99px;
        }
        .horizontal-scroll .scroll-card {
            min-width: 300px;
            max-width: 340px;
            flex-shrink: 0;
            scroll-snap-align: start;
            padding: 24px 22px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.45);
            border: 1px solid rgba(110, 190, 255, 0.12);
            transition: all var(--transition-fast);
        }
        .horizontal-scroll .scroll-card:hover {
            border-color: var(--glass-border-hover);
            background: rgba(18, 28, 52, 0.6);
        }
        .horizontal-scroll .scroll-card h4 {
            font-size: 1rem;
            font-weight: 650;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .horizontal-scroll .scroll-card p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .horizontal-scroll .scroll-card .rating {
            display: flex;
            gap: 3px;
            margin-bottom: 8px;
            color: #ffd166;
            font-size: 0.85rem;
        }

        /* Brand Intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            background: linear-gradient(145deg, rgba(15, 26, 51, 0.7) 0%, rgba(7, 13, 26, 0.85) 100%);
            border: 1px solid rgba(110, 190, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .brand-intro h2 {
            font-size: 1.9rem;
            margin-bottom: 1.2rem;
        }
        .brand-intro p {
            font-size: 0.98rem;
            line-height: 2;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .brand-intro .brand-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
        }
        .brand-intro .brand-image img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform var(--transition-smooth);
        }
        .brand-intro .brand-image:hover img {
            transform: scale(1.04);
        }
        @media (max-width: 900px) {
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 28px;
            }
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.35);
            border: 1px solid rgba(110, 190, 255, 0.08);
            border-bottom: 1px solid rgba(110, 190, 255, 0.15);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            background: rgba(18, 28, 52, 0.5);
            border-color: var(--glass-border-hover);
        }
        .news-item .news-date {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--accent-secondary);
            min-width: 85px;
            padding-top: 2px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .news-item .news-body h3 {
            font-size: 1.05rem;
            font-weight: 650;
            margin-bottom: 0.35rem;
        }
        .news-item .news-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .news-item .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-secondary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .read-more:hover {
            color: var(--text-primary);
            text-decoration: underline;
        }
        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 18px;
            }
            .news-item .news-date {
                min-width: auto;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.4);
            border: 1px solid rgba(110, 190, 255, 0.1);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--glass-border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            user-select: none;
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--accent-secondary);
        }
        .faq-question .faq-icon {
            font-size: 1rem;
            color: var(--accent-secondary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 0;
            padding-left: 16px;
            border-left: 3px solid rgba(62, 224, 192, 0.3);
            padding-left: 16px;
        }

        /* Partner Strip */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: center;
            opacity: 0.55;
            transition: opacity var(--transition-fast);
        }
        .partner-strip:hover {
            opacity: 0.85;
        }
        .partner-item {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            padding: 12px 28px;
            border: 1px solid rgba(110, 190, 255, 0.1);
            border-radius: 99px;
            background: rgba(18, 28, 52, 0.3);
            cursor: default;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--text-secondary);
            border-color: var(--glass-border-hover);
            background: rgba(18, 28, 52, 0.5);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(145deg, rgba(15, 26, 51, 0.85) 0%, rgba(7, 13, 26, 0.95) 100%);
            border: 1px solid rgba(62, 224, 192, 0.15);
            border-radius: var(--radius-lg);
            padding: 70px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 60px rgba(62, 224, 192, 0.06);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(62, 224, 192, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 17px 38px;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #060b16;
            border-top: 1px solid rgba(110, 190, 255, 0.08);
            padding: 60px 0 24px;
            margin-top: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            margin-bottom: 28px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 300px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-secondary);
            padding-left: 4px;
        }
        .footer-subscribe p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.8;
        }
        .footer-subscribe .subscribe-box {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input[type="email"] {
            flex: 1;
            padding: 11px 16px;
            border-radius: 10px;
            background: rgba(18, 28, 52, 0.6);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: all var(--transition-fast);
            min-width: 0;
        }
        .footer-subscribe input[type="email"]:focus {
            border-color: var(--accent-secondary);
            box-shadow: 0 0 16px rgba(62, 224, 192, 0.15);
            background: rgba(18, 28, 52, 0.8);
        }
        .footer-subscribe input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .footer-subscribe .btn-primary {
            padding: 11px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .footer-bottom .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent-secondary);
        }
        .footer-bottom .icp-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
            .footer-bottom .icp-info {
                justify-content: center;
                text-align: center;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .gap-sm {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 768px) {
            .header-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .hero-desc {
                padding: 12px 16px;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat .stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .hamburger-btn {
                width: 38px;
                height: 38px;
            }
            .hamburger-btn .bar {
                width: 18px;
            }
            .header-cta {
                display: none;
            }
            .drawer-panel {
                width: 100%;
                padding: 20px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #070d1a;
            --bg-elevated: #0f1a33;
            --bg-card: #0a1228;
            --glass-bg: rgba(18, 28, 52, 0.55);
            --glass-border: rgba(110, 190, 255, 0.22);
            --glass-border-hover: rgba(62, 224, 192, 0.55);
            --accent-primary: #2196f3;
            --accent-secondary: #3ee0c0;
            --accent-glow: rgba(62, 224, 192, 0.35);
            --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
            --text-primary: #eaf2ff;
            --text-secondary: #a6b8d6;
            --text-muted: #60718f;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow: 0 0 24px var(--accent-glow);
            --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--accent-secondary);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        button:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 75px 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
            background: rgba(62, 224, 192, 0.1);
            padding: 6px 14px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
        }

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }

        .text-glow {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 60px;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(7, 13, 26, 0.96);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 16px;
        }

        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .brand-logo:hover {
            color: var(--accent-secondary);
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #06101f;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--accent-glow);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(18, 28, 52, 0.6);
            border: 1px solid var(--glass-border);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(62, 224, 192, 0.12);
            border-color: var(--glass-border-hover);
        }

        .hamburger-btn .bar {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .hamburger-btn.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.active .bar:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .header-cta {
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            white-space: nowrap;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
            box-shadow: 0 0 16px var(--accent-glow);
        }

        .header-cta:hover {
            color: #06101f;
            box-shadow: 0 0 28px var(--accent-glow);
            transform: translateY(-1px);
        }

        .header-cta:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px var(--accent-glow);
        }

        /* Overlay Navigation */
        .nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: rgba(7, 13, 26, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .nav-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 75%;
            max-width: 420px;
            background: rgba(10, 18, 40, 0.97);
            border-left: 1px solid var(--glass-border);
            z-index: 1001;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            padding: 28px 32px 32px;
            overflow-y: auto;
        }

        .nav-panel.active {
            transform: translateX(0);
        }

        .nav-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .nav-panel-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(18, 28, 52, 0.6);
            border: 1px solid var(--glass-border);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .nav-panel-close:hover {
            background: rgba(62, 224, 192, 0.12);
            border-color: var(--glass-border-hover);
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-links a {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 0;
            border-bottom: 1px solid rgba(110, 190, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .nav-links a:hover {
            color: var(--accent-secondary);
            padding-left: 8px;
        }

        .nav-links a.active {
            color: var(--accent-secondary);
        }

        .nav-links a .nav-arrow {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .nav-links a:hover .nav-arrow {
            color: var(--accent-secondary);
        }

        .nav-panel-cta {
            margin-top: auto;
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .nav-panel-cta .btn-primary {
            width: 100%;
            text-align: center;
            padding: 14px 24px;
            border-radius: 12px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.95rem;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: 0 0 20px var(--accent-glow);
        }

        .nav-panel-cta .btn-primary:hover {
            box-shadow: 0 0 32px var(--accent-glow);
            transform: translateY(-2px);
            color: #06101f;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 100px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

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

        /* Category Header */
        .category-header {
            padding: 36px 0 20px;
        }

        .category-header h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
            line-height: 1.3;
        }

        .category-header .category-intro {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.9;
        }

        /* Match Data List */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .match-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            border-bottom: 1px solid rgba(110, 190, 255, 0.1);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            border-radius: 0;
            flex-wrap: wrap;
        }

        .match-item:first-child {
            border-top: 1px solid rgba(110, 190, 255, 0.1);
        }

        .match-item:hover {
            background: rgba(18, 28, 52, 0.4);
            border-color: rgba(62, 224, 192, 0.3);
        }

        .match-time {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--text-muted);
            min-width: 90px;
            flex-shrink: 0;
        }

        .match-teams {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            min-width: 160px;
            flex-shrink: 0;
        }

        .match-desc {
            flex: 1;
            font-size: 0.9rem;
            color: var(--text-secondary);
            min-width: 200px;
        }

        .match-status {
            flex-shrink: 0;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
            letter-spacing: 0.04em;
        }

        .status-live {
            background: rgba(62, 224, 192, 0.15);
            color: var(--accent-secondary);
            border: 1px solid rgba(62, 224, 192, 0.4);
        }

        .status-upcoming {
            background: rgba(33, 150, 243, 0.12);
            color: #64b5f6;
            border: 1px solid rgba(33, 150, 243, 0.35);
        }

        .status-finished {
            background: rgba(96, 113, 143, 0.2);
            color: var(--text-muted);
            border: 1px solid rgba(96, 113, 143, 0.3);
        }

        /* Data Brief Cards */
        .data-brief-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 18px;
        }

        .data-brief-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-glass);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .data-brief-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px var(--glass-border-hover), 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 20px var(--accent-glow);
        }

        .data-brief-value {
            font-family: var(--font-mono);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .data-brief-value .unit {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-left: 4px;
        }

        .data-brief-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Deep Content Section */
        .deep-content {
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
        }

        .deep-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .deep-content p {
            color: var(--text-secondary);
            line-height: 2;
            margin-bottom: 1.2rem;
            font-size: 0.95rem;
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-glass);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px var(--glass-border-hover), 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 20px var(--accent-glow);
        }

        .topic-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(10, 18, 40, 0.9), transparent);
        }

        .topic-card-body {
            padding: 20px;
        }

        .topic-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .topic-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.8rem;
        }

        .topic-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .topic-link:hover {
            color: #6eead8;
        }

        /* Analysis List */
        .analysis-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .analysis-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-glass);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .analysis-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateX(4px);
        }

        .analysis-index {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-secondary);
            flex-shrink: 0;
            min-width: 32px;
            padding-top: 2px;
        }

        .analysis-item-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .analysis-item-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-glass);
            transition: border-color var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--glass-border-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            gap: 16px;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--accent-secondary);
            transition: transform var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            border-left: 3px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
            border-left-color: var(--accent-secondary);
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(62, 224, 192, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            display: inline-block;
            padding: 14px 32px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.95rem;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: 0 0 24px var(--accent-glow);
        }

        .cta-section .btn-primary:hover {
            box-shadow: 0 0 40px var(--accent-glow);
            transform: translateY(-2px);
            color: #06101f;
        }

        .cta-section .btn-primary:active {
            transform: translateY(1px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-elevated);
            border-top: 1px solid var(--glass-border);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 12px;
            line-height: 1.8;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-secondary);
        }

        .footer-subscribe p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .subscribe-box {
            display: flex;
            gap: 8px;
        }

        .subscribe-box input {
            flex: 1;
            padding: 10px 16px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: rgba(18, 28, 52, 0.6);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 0.88rem;
            outline: none;
            transition: border-color var(--transition-fast);
            min-width: 0;
        }

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

        .subscribe-box input:focus {
            border-color: var(--accent-secondary);
        }

        .subscribe-box .btn-primary {
            padding: 10px 18px;
            border-radius: 10px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: 0 0 16px var(--accent-glow);
        }

        .subscribe-box .btn-primary:hover {
            box-shadow: 0 0 28px var(--accent-glow);
            transform: translateY(-1px);
            color: #06101f;
        }

        .footer-bottom {
            border-top: 1px solid rgba(110, 190, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            gap: 18px;
        }

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

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

        .icp-info {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            section {
                padding: 60px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .match-item {
                gap: 12px;
                padding: 14px 16px;
            }

            .match-teams {
                min-width: 130px;
                font-size: 0.88rem;
            }

            .match-desc {
                font-size: 0.85rem;
                min-width: 150px;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                width: 100%;
                max-width: 100%;
            }

            .header-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .deep-content {
                padding: 28px 20px;
            }

            .cta-section {
                padding: 36px 24px;
            }

            .data-brief-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 12px;
            }

            .data-brief-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            section {
                padding: 45px 0;
            }

            .category-header h1 {
                font-size: 1.7rem;
            }

            .match-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .match-time {
                min-width: auto;
            }

            .match-teams {
                min-width: auto;
                font-size: 0.95rem;
            }

            .match-desc {
                min-width: auto;
                font-size: 0.85rem;
            }

            .topic-card-img {
                height: 150px;
            }

            .data-brief-grid {
                grid-template-columns: 1fr 1fr;
            }

            .subscribe-box {
                flex-direction: column;
            }

            .subscribe-box .btn-primary {
                width: 100%;
                text-align: center;
            }

            .icp-info {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category1 */
:root {
        --bg-primary: #070d1a;
        --bg-elevated: #0f1a33;
        --bg-card: #0a1228;
        --glass-bg: rgba(18, 28, 52, 0.55);
        --glass-border: rgba(110, 190, 255, 0.22);
        --glass-border-hover: rgba(62, 224, 192, 0.55);
        --accent-primary: #2196f3;
        --accent-secondary: #3ee0c0;
        --accent-glow: rgba(62, 224, 192, 0.35);
        --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
        --text-primary: #eaf2ff;
        --text-secondary: #a6b8d6;
        --text-muted: #60718f;
        --radius-lg: 20px;
        --radius-md: 16px;
        --radius-sm: 10px;
        --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
        --shadow-glow: 0 0 24px var(--accent-glow);
        --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
        --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
        --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.8;
        font-size: 15px;
        overflow-x: hidden;
        min-height: 100vh;
        margin: 0;
    }
    a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast);
    }
    a:hover {
        color: var(--accent-secondary);
        text-decoration: none;
    }
    a:focus {
        outline: 2px solid var(--accent-secondary);
        outline-offset: 3px;
        border-radius: 4px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
        color: inherit;
    }
    button:focus-visible {
        outline: 2px solid var(--accent-secondary);
        outline-offset: 3px;
        border-radius: 6px;
    }
    .container {
        max-width: 1160px;
        margin: 0 auto;
        padding: 0 20px;
    }
    section {
        padding: 70px 0;
        position: relative;
    }
    .section-label {
        display: inline-block;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--accent-secondary);
        letter-spacing: 0.12em;
        text-transform: uppercase;
        margin-bottom: 0.9rem;
        background: rgba(62, 224, 192, 0.1);
        padding: 6px 14px;
        border-radius: 99px;
        border: 1px solid rgba(62, 224, 192, 0.25);
    }
    .section-title {
        font-size: clamp(1.6rem, 3.2vw, 2.2rem);
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 0.9rem;
        letter-spacing: 0.03em;
    }
    .section-desc {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 780px;
        line-height: 1.9;
        margin-bottom: 1.5rem;
    }
    .text-glow {
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    /* Header & Navigation */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: 60px;
        background: rgba(7, 13, 26, 0.85);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(110, 190, 255, 0.12);
        display: flex;
        align-items: center;
        transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
    }
    .site-header.scrolled {
        background: rgba(7, 13, 26, 0.96);
        box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1160px;
        margin: 0 auto;
        padding: 0 20px;
        gap: 16px;
    }
    .brand-logo {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: 0.06em;
        display: flex;
        align-items: center;
        gap: 10px;
        white-space: nowrap;
        transition: color var(--transition-fast);
    }
    .brand-logo:hover {
        color: var(--accent-secondary);
    }
    .brand-logo .logo-icon {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        background: var(--accent-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: #06101f;
        flex-shrink: 0;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .hamburger-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: rgba(110, 190, 255, 0.08);
        border: 1px solid rgba(110, 190, 255, 0.2);
        transition: all var(--transition-fast);
    }
    .hamburger-btn:hover {
        background: rgba(110, 190, 255, 0.18);
        border-color: rgba(62, 224, 192, 0.5);
    }
    .hamburger-btn .bar {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }
    .hamburger-btn:hover .bar {
        background: var(--accent-secondary);
    }
    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 18px;
        border-radius: 99px;
        font-size: 0.88rem;
        font-weight: 700;
        color: #06101f;
        background: var(--accent-gradient);
        white-space: nowrap;
        transition: all var(--transition-fast);
    }
    .header-cta:hover {
        color: #06101f;
        box-shadow: var(--shadow-glow);
        transform: translateY(-1px);
    }
    /* Drawer overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        z-index: 2000;
        visibility: hidden;
        opacity: 0;
        transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    }
    .nav-overlay.open {
        visibility: visible;
        opacity: 1;
    }
    .nav-overlay-backdrop {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.65);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
    .nav-panel {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 420px;
        max-width: 85%;
        background: linear-gradient(175deg, #0a1228 0%, #070d1a 100%);
        border-left: 1px solid rgba(110, 190, 255, 0.2);
        padding: 26px 32px 32px;
        display: flex;
        flex-direction: column;
        transform: translateX(100%);
        transition: transform var(--transition-smooth);
        box-shadow: -12px 0 48px rgba(0, 0, 0, 0.5);
    }
    .nav-overlay.open .nav-panel {
        transform: translateX(0);
    }
    .nav-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(110, 190, 255, 0.15);
    }
    .nav-close {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(110, 190, 255, 0.08);
        border: 1px solid rgba(110, 190, 255, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }
    .nav-close:hover {
        background: rgba(110, 190, 255, 0.2);
        color: var(--accent-secondary);
    }
    .nav-menu {
        display: flex;
        flex-direction: column;
        padding: 20px 0;
        gap: 4px;
        flex: 1;
        overflow-y: auto;
    }
    .nav-link {
        display: block;
        padding: 14px 12px;
        font-size: 1.12rem;
        font-weight: 600;
        color: var(--text-primary);
        border-bottom: 1px solid rgba(110, 190, 255, 0.1);
        transition: all var(--transition-fast);
        position: relative;
        letter-spacing: 0.04em;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -1px;
        width: 0;
        height: 2px;
        background: var(--accent-gradient);
        transition: width var(--transition-fast);
    }
    .nav-link:hover {
        color: var(--accent-secondary);
        padding-left: 20px;
    }
    .nav-link:hover::after {
        width: 100%;
    }
    .nav-link.active {
        color: var(--accent-secondary);
    }
    .nav-link.active::after {
        width: 100%;
    }
    .nav-panel-footer {
        padding-top: 18px;
        border-top: 1px solid rgba(110, 190, 255, 0.15);
    }
    .nav-panel-footer .btn-primary {
        display: flex;
        width: 100%;
        justify-content: center;
    }
    /* Buttons */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 26px;
        border-radius: 99px;
        font-size: 0.95rem;
        font-weight: 700;
        color: #06101f;
        background: var(--accent-gradient);
        border: none;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .btn-primary:hover {
        color: #06101f;
        box-shadow: var(--shadow-glow);
        transform: translateY(-2px);
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: none;
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 11px 24px;
        border-radius: 99px;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-primary);
        background: transparent;
        border: 1px solid rgba(62, 224, 192, 0.5);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .btn-secondary:hover {
        color: var(--accent-secondary);
        background: rgba(62, 224, 192, 0.12);
        border-color: var(--accent-secondary);
    }
    .btn-secondary:active {
        transform: translateY(0);
    }
    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.88rem;
        color: var(--text-muted);
        margin-bottom: 1.2rem;
    }
    .breadcrumb a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--accent-secondary);
    }
    .breadcrumb .separator {
        color: var(--text-muted);
        font-size: 0.75rem;
    }
    .breadcrumb .current {
        color: var(--accent-secondary);
        font-weight: 600;
    }
    /* Category Header */
    .category-header {
        padding: 110px 0 50px;
        background: linear-gradient(180deg, rgba(33, 150, 243, 0.06) 0%, rgba(7, 13, 26, 0) 100%);
        border-bottom: 1px solid rgba(110, 190, 255, 0.08);
    }
    .category-header h1 {
        font-size: clamp(1.8rem, 4vw, 2.6rem);
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 0.8rem;
        letter-spacing: 0.03em;
    }
    .category-header .category-desc {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 720px;
        line-height: 1.85;
        margin: 0;
    }
    /* Match list */
    .match-list-section {
        background: var(--bg-primary);
    }
    .match-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        margin-top: 2rem;
    }
    .match-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 18px 8px;
        border-bottom: 1px solid rgba(110, 190, 255, 0.12);
        transition: background var(--transition-fast);
    }
    .match-item:hover {
        background: rgba(18, 28, 52, 0.5);
    }
    .match-time {
        flex-shrink: 0;
        min-width: 72px;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--text-muted);
        font-family: var(--font-mono);
        padding-top: 3px;
    }
    .match-teams {
        flex-shrink: 0;
        min-width: 180px;
        font-weight: 700;
        color: var(--text-primary);
        font-size: 0.95rem;
        letter-spacing: 0.02em;
    }
    .match-desc {
        flex: 1;
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .match-badge {
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        padding: 4px 12px;
        border-radius: 99px;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.04em;
    }
    .badge-live {
        background: rgba(62, 224, 192, 0.2);
        color: var(--accent-secondary);
        border: 1px solid rgba(62, 224, 192, 0.4);
    }
    .badge-finished {
        background: rgba(96, 113, 143, 0.2);
        color: var(--text-muted);
        border: 1px solid rgba(96, 113, 143, 0.3);
    }
    .badge-upcoming {
        background: rgba(33, 150, 243, 0.2);
        color: #6ec1ff;
        border: 1px solid rgba(33, 150, 243, 0.4);
    }
    /* Data brief */
    .data-brief-section {
        background: var(--bg-elevated);
        border-top: 1px solid rgba(110, 190, 255, 0.08);
        border-bottom: 1px solid rgba(110, 190, 255, 0.08);
    }
    .data-brief-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 18px;
        margin-top: 2rem;
    }
    .brief-card {
        background: var(--glass-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        text-align: center;
        border: 1px solid var(--glass-border);
        box-shadow: var(--shadow-glass);
        transition: all var(--transition-fast);
    }
    .brief-card:hover {
        border-color: var(--glass-border-hover);
        box-shadow: var(--shadow-glass), var(--shadow-glow);
        transform: translateY(-3px);
    }
    .brief-number {
        font-size: 2.2rem;
        font-weight: 800;
        font-family: var(--font-mono);
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 0.4rem;
    }
    .brief-label {
        font-size: 0.88rem;
        color: var(--text-secondary);
        font-weight: 500;
    }
    /* Deep content */
    .deep-content-section {
        background: var(--bg-primary);
    }
    .deep-content {
        max-width: 860px;
        margin: 0 auto;
    }
    .deep-content h2 {
        font-size: clamp(1.5rem, 3vw, 2rem);
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 1rem;
    }
    .deep-content h3 {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-primary);
        margin: 1.8rem 0 0.8rem;
    }
    .deep-content p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.95;
        margin-bottom: 1.2rem;
    }
    /* Featured topics */
    .topics-section {
        background: var(--bg-elevated);
    }
    .topics-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 22px;
        margin-top: 2rem;
    }
    .topic-card {
        background: var(--glass-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--glass-border);
        box-shadow: var(--shadow-glass);
        transition: all var(--transition-fast);
    }
    .topic-card:hover {
        border-color: var(--glass-border-hover);
        box-shadow: var(--shadow-glass), var(--shadow-glow);
        transform: translateY(-4px);
    }
    .topic-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
    }
    .topic-card-body {
        padding: 20px 22px 22px;
    }
    .topic-card-body h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 0.6rem;
    }
    .topic-card-body p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0;
    }
    /* Analysis viewpoints */
    .analysis-section {
        background: var(--bg-primary);
    }
    .analysis-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        margin-top: 2rem;
    }
    .analysis-item {
        display: flex;
        align-items: flex-start;
        gap: 18px;
        padding: 20px 8px;
        border-bottom: 1px solid rgba(110, 190, 255, 0.12);
    }
    .analysis-num {
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(62, 224, 192, 0.12);
        border: 1px solid rgba(62, 224, 192, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        color: var(--accent-secondary);
        font-family: var(--font-mono);
    }
    .analysis-content h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 0.5rem;
    }
    .analysis-content p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.75;
        margin-bottom: 0;
    }
    /* FAQ */
    .faq-section {
        background: var(--bg-elevated);
    }
    .faq-accordion {
        margin-top: 2rem;
        max-width: 860px;
    }
    .faq-item {
        background: var(--glass-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: var(--radius-md);
        border: 1px solid var(--glass-border);
        margin-bottom: 12px;
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }
    .faq-item.active {
        border-color: var(--glass-border-hover);
        box-shadow: var(--shadow-glass);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 18px 20px;
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text-primary);
        text-align: left;
        transition: all var(--transition-fast);
    }
    .faq-question:hover {
        color: var(--accent-secondary);
        background: rgba(62, 224, 192, 0.06);
    }
    .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(110, 190, 255, 0.1);
        border: 1px solid rgba(110, 190, 255, 0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }
    .faq-item.active .faq-icon {
        background: rgba(62, 224, 192, 0.2);
        border-color: rgba(62, 224, 192, 0.5);
        color: var(--accent-secondary);
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    .faq-answer-inner {
        padding: 0 20px 18px;
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.8;
        border-left: 3px solid var(--accent-secondary);
        margin-left: 20px;
        padding-left: 16px;
    }
    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, #0a1228 0%, #070d1a 100%);
        text-align: center;
        border-top: 1px solid rgba(110, 190, 255, 0.1);
    }
    .cta-section .section-title {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        margin-bottom: 1rem;
    }
    .cta-section .cta-desc {
        max-width: 560px;
        margin: 0 auto 1.8rem;
        color: var(--text-secondary);
        font-size: 0.98rem;
        line-height: 1.85;
    }
    /* Footer */
    .site-footer {
        background: #060b16;
        border-top: 1px solid rgba(110, 190, 255, 0.12);
        padding: 50px 0 30px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
        gap: 36px;
        margin-bottom: 36px;
    }
    .footer-brand .brand-logo {
        margin-bottom: 1rem;
    }
    .footer-brand p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.75;
        margin-bottom: 0;
    }
    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 0.9rem;
        letter-spacing: 0.04em;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        font-size: 0.88rem;
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--accent-secondary);
    }
    .footer-subscribe p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 0.8rem;
    }
    .subscribe-box {
        display: flex;
        gap: 10px;
    }
    .subscribe-box input {
        flex: 1;
        padding: 10px 16px;
        border-radius: 10px;
        background: rgba(18, 28, 52, 0.6);
        border: 1px solid rgba(110, 190, 255, 0.2);
        color: var(--text-primary);
        font-size: 0.88rem;
        outline: none;
        transition: border-color var(--transition-fast);
        min-width: 0;
    }
    .subscribe-box input::placeholder {
        color: var(--text-muted);
    }
    .subscribe-box input:focus {
        border-color: rgba(62, 224, 192, 0.6);
    }
    .subscribe-box .btn-primary {
        padding: 10px 18px;
        font-size: 0.85rem;
        border-radius: 10px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 14px 22px;
        padding-top: 22px;
        border-top: 1px solid rgba(110, 190, 255, 0.1);
        font-size: 0.82rem;
        color: var(--text-muted);
    }
    .footer-links {
        display: flex;
        gap: 16px;
    }
    .footer-links a {
        font-size: 0.82rem;
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }
    .footer-links a:hover {
        color: var(--accent-secondary);
    }
    .icp-info {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-left: auto;
    }
    .icp-info span {
        font-size: 0.82rem;
        color: var(--text-muted);
    }
    /* Responsive */
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .match-item {
            flex-wrap: wrap;
            gap: 10px 16px;
        }
        .match-desc {
            flex-basis: 100%;
        }
        .match-badge {
            margin-left: 0;
        }
    }
    @media (max-width: 768px) {
        section {
            padding: 50px 0;
        }
        .category-header {
            padding: 90px 0 40px;
        }
        .nav-panel {
            width: 100%;
            max-width: 100%;
            padding: 20px 24px 24px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .icp-info {
            margin-left: 0;
            flex-direction: column;
            gap: 6px;
        }
        .data-brief-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .topics-grid {
            grid-template-columns: 1fr;
        }
        .match-teams {
            min-width: 130px;
        }
        .match-time {
            min-width: 56px;
        }
    }
    @media (max-width: 520px) {
        .header-cta {
            display: none;
        }
        .data-brief-grid {
            grid-template-columns: 1fr;
        }
        .match-item {
            flex-direction: column;
            gap: 8px;
        }
        .match-teams {
            min-width: auto;
        }
        .match-badge {
            align-self: flex-start;
        }
        .subscribe-box {
            flex-direction: column;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

/* roulang page: category3 */
/* ============ 鲸鱼体育全站设计系统 ============ */
        :root {
            --bg-primary: #070d1a;
            --bg-elevated: #0f1a33;
            --bg-card: #0a1228;
            --glass-bg: rgba(18, 28, 52, 0.55);
            --glass-border: rgba(110, 190, 255, 0.22);
            --glass-border-hover: rgba(62, 224, 192, 0.55);
            --accent-primary: #2196f3;
            --accent-secondary: #3ee0c0;
            --accent-glow: rgba(62, 224, 192, 0.35);
            --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
            --text-primary: #eaf2ff;
            --text-secondary: #a6b8d6;
            --text-muted: #60718f;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow: 0 0 24px var(--accent-glow);
            --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-secondary);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            appearance: none;
            -webkit-appearance: none;
        }
        button:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
        }
        p {
            margin: 0;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 75px 0;
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
            background: rgba(62, 224, 192, 0.1);
            padding: 6px 14px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
        }
        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }
        .text-glow {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        /* ============ 按钮系统 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 800;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: 99px;
            transition: all var(--transition-fast);
            box-shadow: 0 0 20px rgba(62, 224, 192, 0.25), 0 4px 16px rgba(33, 150, 243, 0.25);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            letter-spacing: 0.04em;
        }
        .btn-primary:hover {
            box-shadow: 0 0 35px rgba(62, 224, 192, 0.55), 0 6px 24px rgba(33, 150, 243, 0.4);
            transform: translateY(-2px);
            color: #06101f;
            opacity: 0.96;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(62, 224, 192, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(62, 224, 192, 0.45);
            color: var(--accent-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 13px 26px;
            border-radius: 99px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.04em;
        }
        .btn-secondary:hover {
            background: rgba(62, 224, 192, 0.1);
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            box-shadow: 0 0 18px rgba(62, 224, 192, 0.2);
        }
        .btn-secondary:active {
            transform: translateY(0);
            background: rgba(62, 224, 192, 0.15);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(110, 190, 255, 0.35);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 99px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(110, 190, 255, 0.1);
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
        }
        /* ============ 页头导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 60px;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(7, 13, 26, 0.96);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-secondary);
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #06101f;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 10px;
            background: rgba(110, 190, 255, 0.08);
            border: 1px solid rgba(110, 190, 255, 0.2);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: rgba(62, 224, 192, 0.12);
            border-color: rgba(62, 224, 192, 0.45);
        }
        .hamburger-btn .bar {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: all var(--transition-fast);
        }
        .hamburger-btn.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active .bar:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 9px 20px;
            border-radius: 99px;
            transition: all var(--transition-fast);
            box-shadow: 0 0 16px rgba(62, 224, 192, 0.2);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .header-cta:hover {
            box-shadow: 0 0 28px rgba(62, 224, 192, 0.45);
            transform: translateY(-1px);
            color: #06101f;
        }
        /* ============ 抽屉导航 Overlay ============ */
        .nav-overlay {
            position: fixed;
            inset: 0;
            z-index: 1100;
            display: flex;
            justify-content: flex-end;
            pointer-events: none;
            visibility: hidden;
            transition: visibility 0.3s;
        }
        .nav-overlay.active {
            pointer-events: auto;
            visibility: visible;
        }
        .nav-overlay-bg {
            position: absolute;
            inset: 0;
            background: rgba(4, 8, 16, 0.7);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            opacity: 0;
            transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .nav-overlay.active .nav-overlay-bg {
            opacity: 1;
        }
        .nav-drawer {
            position: relative;
            width: 82%;
            max-width: 440px;
            height: 100%;
            background: rgba(10, 18, 40, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-left: 1px solid rgba(110, 190, 255, 0.2);
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.5);
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 32px;
            transform: translateX(100%);
            transition: transform 0.38s cubic-bezier(0.25, 0.8, 0.25, 1);
            overflow-y: auto;
        }
        .nav-overlay.active .nav-drawer {
            transform: translateX(0);
        }
        .nav-drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .nav-close-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(110, 190, 255, 0.1);
            border: 1px solid rgba(110, 190, 255, 0.25);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-close-btn:hover {
            background: rgba(62, 224, 192, 0.15);
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
        }
        .nav-drawer-menu {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .nav-drawer-menu ul {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .nav-drawer-menu li {
            border-bottom: 1px solid rgba(110, 190, 255, 0.1);
        }
        .nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 4px;
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .nav-link:hover {
            color: var(--accent-secondary);
            padding-left: 10px;
            border-bottom-color: var(--accent-secondary);
        }
        .nav-link.active {
            color: var(--accent-secondary);
            border-bottom-color: var(--accent-secondary);
        }
        .nav-link .nav-arrow {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }
        .nav-link:hover .nav-arrow {
            color: var(--accent-secondary);
            transform: translateX(4px);
        }
        .nav-drawer-cta {
            padding-top: 12px;
            border-top: 1px solid rgba(110, 190, 255, 0.1);
        }
        .nav-drawer-cta .btn-primary {
            width: 100%;
        }
        /* ============ 分类头部 ============ */
        .category-head {
            padding-top: 140px;
            padding-bottom: 50px;
            background: linear-gradient(180deg, rgba(10, 18, 40, 0.8) 0%, rgba(7, 13, 26, 1) 100%);
            border-bottom: 1px solid rgba(110, 190, 255, 0.08);
            position: relative;
            overflow: hidden;
        }
        .category-head::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(62, 224, 192, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-secondary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--accent-secondary);
            font-weight: 600;
        }
        .category-head h1 {
            font-size: clamp(2rem, 4.5vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .category-intro {
            font-size: 0.98rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.9;
        }
        /* ============ 玻璃卡片 ============ */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-glass);
            transition: all var(--transition-smooth);
            overflow: hidden;
            position: relative;
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px var(--glass-border-hover), 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 28px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        /* ============ 评测卡片网格 ============ */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            padding: 0;
            display: flex;
            flex-direction: column;
        }
        .review-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: var(--bg-elevated);
        }
        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .review-card:hover .review-card-img img {
            transform: scale(1.05);
        }
        .review-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(7, 13, 26, 0.75) 100%);
            pointer-events: none;
        }
        .review-card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .review-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .review-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }
        .review-rating {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-secondary);
        }
        .review-rating .stars {
            display: flex;
            gap: 2px;
            color: #f7c948;
            font-size: 0.85rem;
        }
        .review-rating .score {
            color: var(--text-primary);
            font-weight: 700;
            font-family: var(--font-mono);
        }
        /* ============ 评测标准列表 ============ */
        .criteria-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
            max-width: 860px;
        }
        .criteria-item {
            display: flex;
            gap: 20px;
            padding: 20px 22px;
            border-bottom: 1px solid rgba(110, 190, 255, 0.1);
            border-radius: 12px;
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .criteria-item:hover {
            background: rgba(110, 190, 255, 0.05);
            border-bottom-color: rgba(62, 224, 192, 0.3);
        }
        .criteria-num {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-secondary);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(62, 224, 192, 0.12);
            border: 1px solid rgba(62, 224, 192, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .criteria-text h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 5px;
        }
        .criteria-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* ============ 深度内容区 ============ */
        .deep-content {
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            border: 1px solid rgba(110, 190, 255, 0.1);
            position: relative;
        }
        .deep-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .deep-content h3:first-child {
            margin-top: 0;
        }
        .deep-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 2.0;
            margin-bottom: 16px;
            text-indent: 2em;
        }
        .deep-content p:last-child {
            margin-bottom: 0;
        }
        /* ============ 推荐榜单 ============ */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .ranking-item {
            display: flex;
            gap: 18px;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.45);
            border: 1px solid rgba(110, 190, 255, 0.1);
            transition: all var(--transition-fast);
            align-items: center;
        }
        .ranking-item:hover {
            border-color: rgba(62, 224, 192, 0.4);
            background: rgba(18, 28, 52, 0.7);
        }
        .ranking-rank {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-secondary);
            width: 50px;
            text-align: center;
            flex-shrink: 0;
        }
        .ranking-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .ranking-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .ranking-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-secondary);
            background: rgba(62, 224, 192, 0.1);
            padding: 3px 12px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
            margin-left: 10px;
        }
        /* ============ 用户评价 ============ */
        .reviews-feedback {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .feedback-card {
            padding: 24px;
            border-radius: var(--radius-md);
            background: rgba(18, 28, 52, 0.45);
            border: 1px solid rgba(110, 190, 255, 0.1);
            transition: all var(--transition-fast);
        }
        .feedback-card:hover {
            border-color: rgba(62, 224, 192, 0.3);
            background: rgba(18, 28, 52, 0.65);
        }
        .feedback-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .feedback-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .feedback-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .feedback-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .feedback-stars {
            color: #f7c948;
            font-size: 0.8rem;
            margin-bottom: 8px;
        }
        .feedback-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* ============ FAQ Accordion ============ */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-accordion .accordion {
            border: none;
            background: transparent;
        }
        .faq-accordion .accordion-item {
            margin-bottom: 12px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(110, 190, 255, 0.12);
            background: rgba(18, 28, 52, 0.45);
            transition: all var(--transition-fast);
            overflow: hidden;
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(62, 224, 192, 0.3);
        }
        .faq-accordion .accordion-item.is-active {
            border-color: rgba(62, 224, 192, 0.45);
            box-shadow: 0 0 20px rgba(62, 224, 192, 0.1);
        }
        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            border: none;
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            line-height: 1.5;
            text-align: left;
            width: 100%;
        }
        .faq-accordion .accordion-title:hover {
            color: var(--accent-secondary);
            background: rgba(62, 224, 192, 0.04);
        }
        .faq-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--accent-secondary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-content {
            padding: 0 22px 20px;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.95;
            display: none;
        }
        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }
        /* ============ CTA 板块 ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(33, 150, 243, 0.08) 0%, rgba(62, 224, 192, 0.04) 100%);
            border-top: 1px solid rgba(110, 190, 255, 0.08);
            border-bottom: 1px solid rgba(110, 190, 255, 0.08);
            text-align: center;
            padding: 70px 0;
        }
        .cta-section .section-title {
            margin-bottom: 0.8rem;
        }
        .cta-section .section-desc {
            margin: 0 auto 1.8rem;
        }
        /* ============ 页脚 ============ */
        .site-footer {
            background: #060b16;
            border-top: 1px solid rgba(110, 190, 255, 0.1);
            padding: 60px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(110, 190, 255, 0.08);
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
            font-size: 1.15rem;
        }
        .footer-brand p {
            color: var(--text-secondary);
            line-height: 1.85;
            font-size: 0.88rem;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-secondary);
            padding-left: 4px;
        }
        .footer-subscribe p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: 0.88rem;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .subscribe-box input {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border-radius: 99px;
            border: 1px solid rgba(110, 190, 255, 0.25);
            background: rgba(18, 28, 52, 0.6);
            color: var(--text-primary);
            font-size: 0.88rem;
            font-family: inherit;
            outline: none;
            transition: all var(--transition-fast);
        }
        .subscribe-box input:focus {
            border-color: var(--accent-secondary);
            box-shadow: 0 0 12px rgba(62, 224, 192, 0.2);
        }
        .subscribe-box input::placeholder {
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 0;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-secondary);
        }
        .icp-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .icp-info span {
            white-space: nowrap;
        }
        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .deep-content {
                padding: 36px 32px;
            }
        }
        @media screen and (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .category-head {
                padding-top: 110px;
                padding-bottom: 36px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .reviews-feedback {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .nav-drawer {
                width: 92%;
                max-width: none;
                padding: 22px 24px;
            }
            .deep-content {
                padding: 28px 22px;
                border-radius: var(--radius-md);
            }
            .criteria-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px 14px;
            }
            .ranking-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .header-cta {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .icp-info {
                flex-direction: column;
                gap: 4px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .category-head h1 {
                font-size: 1.7rem;
            }
            .review-card-img {
                height: 170px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .faq-accordion .accordion-title {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-accordion .accordion-content {
                padding: 0 16px 16px;
            }
            .deep-content p {
                text-indent: 1em;
                font-size: 0.9rem;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #070d1a;
            --bg-elevated: #0f1a33;
            --bg-card: #0a1228;
            --glass-bg: rgba(18, 28, 52, 0.55);
            --glass-border: rgba(110, 190, 255, 0.22);
            --glass-border-hover: rgba(62, 224, 192, 0.55);
            --accent-primary: #2196f3;
            --accent-secondary: #3ee0c0;
            --accent-glow: rgba(62, 224, 192, 0.35);
            --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
            --text-primary: #eaf2ff;
            --text-secondary: #a6b8d6;
            --text-muted: #60718f;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow: 0 0 24px var(--accent-glow);
            --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-secondary);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 65px 0;
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
            background: rgba(62, 224, 192, 0.1);
            padding: 6px 14px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
        }
        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }
        .text-glow {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            padding: 13px 28px;
            border-radius: 99px;
            font-size: 0.95rem;
            border: none;
            box-shadow: 0 0 22px var(--accent-glow);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
        }
        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(62, 224, 192, 0.55);
            filter: brightness(1.08);
            color: #06101f;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 99px;
            font-size: 0.95rem;
            border: 1px solid var(--glass-border);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }
        .btn-ghost:hover {
            background: rgba(62, 224, 192, 0.08);
            border-color: var(--glass-border-hover);
            color: var(--accent-secondary);
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            box-shadow: 0 0 0 1px rgba(110, 190, 255, 0.08), 0 8px 32px rgba(0, 0, 0, 0.3);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.18), 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 28px var(--accent-glow);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 60px;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(7, 13, 26, 0.96);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-secondary);
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #06101f;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .hamburger-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: rgba(18, 28, 52, 0.5);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: rgba(62, 224, 192, 0.1);
            border-color: var(--glass-border-hover);
        }
        .hamburger-btn .bar {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: background var(--transition-fast);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 99px;
            font-size: 0.88rem;
            box-shadow: 0 0 18px rgba(62, 224, 192, 0.25);
            transition: box-shadow var(--transition-fast), filter var(--transition-fast), transform var(--transition-fast);
        }
        .header-cta:hover {
            box-shadow: 0 0 26px rgba(62, 224, 192, 0.45);
            filter: brightness(1.08);
            color: #06101f;
        }
        .header-cta:active {
            transform: translateY(1px);
        }
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(4, 8, 16, 0.75);
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .nav-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .nav-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 82%;
            max-width: 520px;
            background: rgba(10, 18, 40, 0.98);
            border-left: 1px solid rgba(110, 190, 255, 0.18);
            z-index: 2100;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            padding: 26px 32px 32px;
            overflow-y: auto;
            box-shadow: -16px 0 48px rgba(0, 0, 0, 0.55);
        }
        .nav-drawer.open {
            transform: translateX(0);
        }
        .nav-drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .nav-drawer-close {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            border: 1px solid var(--glass-border);
            background: rgba(18, 28, 52, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        .nav-drawer-close:hover {
            color: var(--accent-secondary);
            border-color: var(--glass-border-hover);
            background: rgba(62, 224, 192, 0.08);
        }
        .drawer-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-nav-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 4px;
            font-size: 1.15rem;
            font-weight: 650;
            letter-spacing: 0.04em;
            color: var(--text-primary);
            border-bottom: 1px solid rgba(166, 184, 214, 0.12);
            transition: color var(--transition-fast), background var(--transition-fast), padding-left var(--transition-fast);
        }
        .drawer-nav-list li a:hover,
        .drawer-nav-list li a.active {
            color: var(--accent-secondary);
            padding-left: 8px;
            border-bottom-color: rgba(62, 224, 192, 0.4);
        }
        .drawer-nav-list li a .fa-arrow-right {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast), color var(--transition-fast);
        }
        .drawer-nav-list li a:hover .fa-arrow-right {
            transform: translateX(4px);
            color: var(--accent-secondary);
        }
        .drawer-bottom {
            margin-top: auto;
            padding-top: 28px;
            border-top: 1px solid rgba(166, 184, 214, 0.12);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .drawer-bottom p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin: 0;
        }
        .drawer-bottom .btn-primary {
            align-self: flex-start;
        }
        .category-header {
            padding: 120px 0 40px;
            background: radial-gradient(ellipse at 20% 20%, rgba(33, 150, 243, 0.16), transparent 60%),
                        radial-gradient(ellipse at 80% 0%, rgba(62, 224, 192, 0.12), transparent 55%),
                        #070d1a;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.86rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-secondary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .category-header h1 {
            font-size: clamp(2rem, 4.5vw, 2.8rem);
            font-weight: 800;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .category-header .intro {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.9;
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .article-item {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .article-item:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.18), 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 28px var(--accent-glow);
        }
        .article-date {
            font-size: 0.78rem;
            color: var(--accent-secondary);
            font-weight: 600;
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
            line-height: 1.5;
        }
        .article-item h3 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .article-item h3 a:hover {
            color: var(--accent-secondary);
        }
        .article-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.75;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-secondary);
            font-weight: 600;
            font-size: 0.88rem;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .read-more:hover {
            color: var(--accent-secondary);
            gap: 10px;
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            overflow: hidden;
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.18), 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 28px var(--accent-glow);
        }
        .topic-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 22px 24px 24px;
        }
        .topic-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .topic-card h3 a {
            color: var(--text-primary);
        }
        .topic-card h3 a:hover {
            color: var(--accent-secondary);
        }
        .topic-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.75;
        }
        .deep-content {
            background: rgba(15, 26, 51, 0.48);
            border: 1px solid rgba(110, 190, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 38px 34px;
            margin-top: 12px;
        }
        .deep-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.45;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .deep-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-secondary);
            margin: 26px 0 8px;
            letter-spacing: 0.02em;
        }
        .deep-content p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 2;
            margin-bottom: 14px;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 28px;
        }
        .data-stat {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            padding: 24px 16px;
            text-align: center;
            transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .data-stat:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.18), 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 28px var(--accent-glow);
        }
        .data-stat .stat-num {
            display: block;
            font-family: var(--font-mono);
            font-size: 1.9rem;
            font-weight: 700;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px var(--accent-glow);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }
        .data-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .opinion-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 24px;
        }
        .opinion-item {
            background: rgba(15, 26, 51, 0.45);
            border-left: 3px solid var(--accent-secondary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 22px;
            transition: background var(--transition-fast), border-left-color var(--transition-fast);
        }
        .opinion-item:hover {
            background: rgba(62, 224, 192, 0.06);
            border-left-color: var(--accent-primary);
        }
        .opinion-author {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 6px;
        }
        .opinion-item p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.8;
        }
        .faq-accordion {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .accordion-item {
            background: rgba(15, 26, 51, 0.5);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .accordion-item.is-active {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 0 1px rgba(62, 224, 192, 0.12), 0 8px 28px rgba(0, 0, 0, 0.3);
        }
        .accordion-title {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .accordion-title:hover {
            color: var(--accent-secondary);
            background: rgba(62, 224, 192, 0.04);
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--accent-secondary);
            transition: transform var(--transition-fast);
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }
        .accordion-item.is-active .accordion-content {
            max-height: 240px;
        }
        .accordion-content-inner {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.85;
        }
        .cta-panel {
            background: radial-gradient(ellipse at 50% 0%, rgba(33, 150, 243, 0.22), transparent 60%),
                        linear-gradient(180deg, rgba(15, 26, 51, 0.92), rgba(7, 13, 26, 0.98));
            border: 1px solid rgba(110, 190, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 50px 32px;
            text-align: center;
            margin-top: 12px;
        }
        .cta-panel h2 {
            font-size: clamp(1.4rem, 2.8vw, 1.9rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 26px;
            line-height: 1.9;
        }
        .site-footer {
            background: #050b16;
            border-top: 1px solid rgba(110, 190, 255, 0.12);
            padding: 50px 0 20px;
            margin-top: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(166, 184, 214, 0.12);
        }
        .footer-brand .brand-logo {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.86rem;
            line-height: 1.8;
            max-width: 340px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 0.86rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-secondary);
            padding-left: 4px;
        }
        .footer-col ul a .fa-chevron-right {
            font-size: 0.6rem;
            color: var(--text-muted);
        }
        .footer-subscribe p {
            color: var(--text-secondary);
            font-size: 0.86rem;
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .subscribe-box {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-box input[type="email"] {
            flex: 1;
            min-width: 180px;
            background: rgba(18, 28, 52, 0.65);
            border: 1px solid var(--glass-border);
            border-radius: 99px;
            padding: 11px 18px;
            color: var(--text-primary);
            font-size: 0.88rem;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-box input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .subscribe-box input[type="email"]:focus {
            border-color: var(--accent-secondary);
            box-shadow: 0 0 0 3px rgba(62, 224, 192, 0.15);
        }
        .subscribe-box .btn-primary {
            padding: 11px 22px;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-secondary);
        }
        .icp-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-cta {
                display: none;
            }
            .nav-drawer {
                width: 85%;
                padding: 22px 24px 28px;
            }
            .drawer-nav-list li a {
                font-size: 1.05rem;
                padding: 14px 2px;
            }
            .deep-content {
                padding: 26px 20px;
            }
        }
        @media (max-width: 640px) {
            .article-grid,
            .topic-grid,
            .data-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 40px 0;
            }
            .category-header {
                padding: 100px 0 30px;
            }
            .article-item h3 {
                font-size: 1.05rem;
            }
            .topic-card img {
                height: 180px;
            }
            .cta-panel {
                padding: 36px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #070d1a;
            --bg-elevated: #0f1a33;
            --bg-card: #0a1228;
            --glass-bg: rgba(18, 28, 52, 0.55);
            --glass-border: rgba(110, 190, 255, 0.22);
            --glass-border-hover: rgba(62, 224, 192, 0.55);
            --accent-primary: #2196f3;
            --accent-secondary: #3ee0c0;
            --accent-glow: rgba(62, 224, 192, 0.35);
            --accent-gradient: linear-gradient(135deg, #2196f3 0%, #3ee0c0 100%);
            --text-primary: #eaf2ff;
            --text-secondary: #a6b8d6;
            --text-muted: #60718f;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-glass: 0 0 0 1px var(--glass-border), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            --shadow-glow: 0 0 24px var(--accent-glow);
            --font-sans: "Source Han Sans CN", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--accent-secondary);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 70px 0;
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 0.9rem;
            background: rgba(62, 224, 192, 0.1);
            padding: 6px 14px;
            border-radius: 99px;
            border: 1px solid rgba(62, 224, 192, 0.25);
        }
        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }
        .text-glow {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 60px;
            background: rgba(7, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(7, 13, 26, 0.96);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-secondary);
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #06101f;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .hamburger-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(18, 28, 52, 0.5);
            border: 1px solid rgba(110, 190, 255, 0.2);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: all var(--transition-fast);
        }
        .hamburger-btn:hover {
            border-color: var(--accent-secondary);
            background: rgba(62, 224, 192, 0.08);
        }
        .hamburger-btn .bar {
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger-btn.active .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active .bar:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 0 16px rgba(62, 224, 192, 0.25);
        }
        .header-cta:hover {
            color: #06101f;
            box-shadow: 0 0 26px rgba(62, 224, 192, 0.45);
            transform: translateY(-1px);
        }
        /* Nav Overlay */
        .nav-overlay {
            position: fixed;
            inset: 0;
            z-index: 2000;
            background: rgba(7, 13, 26, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(78%, 440px);
            background: var(--bg-elevated);
            border-left: 1px solid rgba(110, 190, 255, 0.2);
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            padding: 28px 32px 32px;
            z-index: 2001;
        }
        .nav-overlay.open .nav-panel {
            transform: translateX(0);
        }
        .nav-panel-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        .nav-panel-top .brand-logo {
            font-size: 1.2rem;
        }
        .nav-close-btn {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(18, 28, 52, 0.6);
            border: 1px solid rgba(110, 190, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .nav-close-btn:hover {
            color: var(--text-primary);
            border-color: var(--accent-secondary);
        }
        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .nav-links a {
            display: block;
            font-size: 1.25rem;
            font-weight: 650;
            padding: 14px 6px;
            color: var(--text-primary);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-secondary);
            border-bottom-color: var(--accent-secondary);
            padding-left: 16px;
        }
        .nav-links a.active {
            color: var(--accent-secondary);
            border-bottom-color: var(--accent-secondary);
        }
        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            background: var(--accent-gradient);
            border-radius: 2px;
        }
        .nav-panel-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(110, 190, 255, 0.12);
        }
        .nav-panel-bottom .btn-primary {
            width: 100%;
            text-align: center;
            justify-content: center;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 99px;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            box-shadow: 0 0 20px rgba(62, 224, 192, 0.28);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            color: #06101f;
            box-shadow: 0 0 32px rgba(62, 224, 192, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(62, 224, 192, 0.2);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 99px;
            background: transparent;
            border: 1px solid rgba(110, 190, 255, 0.4);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(62, 224, 192, 0.08);
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
        }
        .btn-link {
            color: var(--accent-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .btn-link:hover {
            color: #6ee8d8;
        }
        /* Breadcrumb */
        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .category-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .category-breadcrumb a:hover {
            color: var(--accent-secondary);
        }
        .category-breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.5;
        }
        .category-breadcrumb .current {
            color: var(--accent-secondary);
        }
        /* Category Header */
        .category-header {
            padding: 130px 0 50px;
            background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid rgba(110, 190, 255, 0.12);
        }
        .category-header h1 {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }
        .category-header .category-intro {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.85;
        }
        /* Glass Card */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            padding: 28px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-glow), var(--shadow-glass);
        }
        /* Pricing Cards */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .pricing-card {
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--glass-border);
            padding: 30px 28px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: transparent;
            transition: background var(--transition-fast);
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-glow);
        }
        .pricing-card.featured {
            border-color: rgba(62, 224, 192, 0.45);
            box-shadow: 0 0 32px rgba(62, 224, 192, 0.15), var(--shadow-glass);
        }
        .pricing-card.featured::before {
            background: var(--accent-gradient);
        }
        .pricing-card .plan-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-secondary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .pricing-card .plan-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }
        .pricing-card .plan-price small {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .pricing-card .plan-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
            flex: 1;
        }
        .pricing-card .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            font-size: 0.88rem;
        }
        .pricing-card .badge-popular {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-gradient);
            color: #06101f;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 99px;
        }
        /* Benefits List */
        .benefits-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
        }
        .benefit-item {
            display: flex;
            gap: 14px;
            padding: 18px 20px;
            background: rgba(18, 28, 52, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid rgba(110, 190, 255, 0.1);
            transition: all var(--transition-fast);
        }
        .benefit-item:hover {
            border-color: var(--glass-border-hover);
            background: rgba(62, 224, 192, 0.04);
        }
        .benefit-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(62, 224, 192, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        .benefit-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .benefit-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        /* Steps */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            max-width: 700px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent-gradient);
            color: #06101f;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }
        /* Reviews */
        .review-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 18px;
        }
        .review-card {
            background: rgba(18, 28, 52, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid rgba(110, 190, 255, 0.1);
            padding: 22px 24px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--glass-border-hover);
        }
        .review-card .review-author {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .review-card .review-role {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .review-card .review-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        .review-stars {
            color: #f0b429;
            margin-bottom: 8px;
            font-size: 0.85rem;
            letter-spacing: 2px;
        }
        /* Deep Content */
        .deep-content {
            max-width: 820px;
        }
        .deep-content h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }
        .deep-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 2;
            margin-bottom: 1.2rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 780px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(18, 28, 52, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid rgba(110, 190, 255, 0.12);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--glass-border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-primary);
            cursor: pointer;
            gap: 16px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--accent-secondary);
        }
        .faq-question .faq-toggle {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(45deg);
            color: var(--accent-secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 420px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            padding-left: 16px;
            border-left: 3px solid var(--accent-gradient);
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-elevated) 100%);
            text-align: center;
            padding: 80px 0;
            border-top: 1px solid rgba(110, 190, 255, 0.12);
        }
        .cta-section .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }
        /* Image Banner */
        .image-banner {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
        }
        .image-banner img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(110, 190, 255, 0.12);
            padding: 60px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-secondary);
        }
        .footer-subscribe p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
        }
        .subscribe-box input {
            flex: 1;
            padding: 11px 16px;
            border-radius: 99px;
            background: rgba(7, 13, 26, 0.6);
            border: 1px solid rgba(110, 190, 255, 0.2);
            color: var(--text-primary);
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .subscribe-box input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-box input:focus {
            border-color: var(--accent-secondary);
        }
        .subscribe-box .btn-primary {
            padding: 11px 20px;
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .footer-bottom {
            border-top: 1px solid rgba(110, 190, 255, 0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .footer-links a:hover {
            color: var(--accent-secondary);
        }
        .icp-info {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .pricing-grid {
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .category-header {
                padding: 110px 0 40px;
            }
            .header-cta {
                display: none;
            }
            .nav-panel {
                width: 88%;
                padding: 22px 24px 24px;
            }
            .nav-links a {
                font-size: 1.1rem;
                padding: 12px 4px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .benefits-list {
                grid-template-columns: 1fr;
            }
            .review-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .subscribe-box {
                flex-direction: column;
            }
            .subscribe-box .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .pricing-card {
                padding: 24px 20px;
            }
        }