/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #00d4ff;
            --accent-soft: rgba(0, 212, 255, 0.12);
            --highlight: #f59e0b;
            --bg: #f4f6fb;
            --surface: #ffffff;
            --surface-alt: #f0f4f9;
            --text: #0f172a;
            --text-body: #334155;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --border-strong: #cbd5e1;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.07);
            --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 36px rgba(15, 23, 42, 0.14);
            --spacing-1: 8px;
            --spacing-2: 16px;
            --spacing-3: 24px;
            --spacing-4: 32px;
            --spacing-5: 48px;
            --spacing-6: 64px;
            --spacing-7: 80px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text);
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 var(--spacing-2);
            letter-spacing: -0.01em;
        }
        h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
        h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }
        h4 { font-size: 1.1rem; }
        p { margin: 0 0 var(--spacing-2); }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        a:hover { color: var(--accent); }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.4em;
            margin-bottom: var(--spacing-2);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-3);
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 var(--spacing-3);
        }
        .section {
            padding: var(--spacing-6) 0;
        }
        .section-tight { padding: var(--spacing-4) 0; }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: var(--spacing-2);
        }
        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-2);
        }
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-weak);
            max-width: 760px;
            line-height: 1.85;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--accent) 0%, #4facfe 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-hot { background: #fef3c7; color: #b45309; }
        .badge-new { background: #dcfce7; color: #15803d; }
        .badge-tip { background: #e0f2fe; color: #0369a1; }
        .badge-dark { background: var(--primary); color: #fff; }
        .badge-glow { background: rgba(0,212,255,0.15); color: #0891b2; border: 1px solid rgba(0,212,255,0.35); }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.2;
            cursor: pointer;
            border: none;
            transition: all .25s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
        }
        .btn-primary:hover {
            background: #1e293b;
            color: #fff;
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.3);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 212, 255, 0.35);
        }
        .btn-accent:hover {
            background: #00e0ff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 212, 255, 0.45);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border-strong);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }
        .btn-ghost {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.3);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.22);
            color: #fff;
        }
        .btn-sm { padding: 8px 16px; font-size: 0.85rem; }
        .btn-lg { padding: 16px 32px; font-size: 1.05rem; border-radius: var(--radius); }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 0 var(--spacing-3);
        }
        .site-header-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            padding: var(--spacing-2) 0;
            flex-wrap: wrap;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .site-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .site-logo:hover { color: var(--accent); }
        .site-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            margin-left: auto;
            flex-shrink: 0;
        }
        .site-nav a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all .2s;
        }
        .site-nav a:hover {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .site-nav a.active {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .header-search {
            flex: 1;
            min-width: 220px;
            display: flex;
            align-items: center;
            background: var(--surface-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0 14px;
            transition: all .25s;
            height: 44px;
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.18);
            background: #fff;
        }
        .header-search i {
            color: var(--text-weak);
            font-size: 0.95rem;
            margin-right: 10px;
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.92rem;
            color: var(--text);
            width: 100%;
            padding: 0;
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .site-header-inner {
                padding: var(--spacing-1) 0;
                gap: var(--spacing-1);
            }
            .site-logo {
                font-size: 1.05rem;
            }
            .site-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .site-nav {
                gap: 4px;
            }
            .site-nav a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .header-search {
                order: 10;
                flex-basis: 100%;
                min-width: 100%;
                height: 38px;
                border-radius: var(--radius-sm);
            }
        }
        @media (max-width: 520px) {
            .site-header-inner {
                gap: 6px;
            }
            .site-logo {
                font-size: 0.98rem;
            }
            .site-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }
        }

        /* Hero Bento */
        .hero {
            position: relative;
            overflow: hidden;
            padding: var(--spacing-6) 0 var(--spacing-5);
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(140deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.55) 45%, rgba(15,23,42,0.25) 100%);
            z-index: 1;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: var(--spacing-3);
        }
        .hero-main {
            grid-row: 1 / 3;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 420px;
        }
        .hero-main h1 {
            color: #fff;
            font-size: clamp(1.7rem, 3.6vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-2);
        }
        .hero-main .hero-sub {
            color: rgba(255,255,255,0.88);
            font-size: 1.02rem;
            line-height: 1.85;
            margin-bottom: var(--spacing-3);
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-3);
        }
        .hero-stats-row {
            display: flex;
            gap: var(--spacing-4);
            flex-wrap: wrap;
        }
        .hero-stat {
            flex: 1;
            min-width: 90px;
            background: rgba(255,255,255,0.1);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .hero-stat .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.75);
            margin-top: 2px;
        }
        .hero-mini-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: var(--radius-lg);
            padding: var(--spacing-3);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform .3s ease, background .3s ease;
        }
        .hero-mini-card:hover {
            background: rgba(255,255,255,0.18);
            transform: translateY(-4px);
        }
        .hero-mini-card .mini-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: var(--spacing-1);
        }
        .hero-mini-card h3 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .hero-mini-card p {
            color: rgba(255,255,255,0.82);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .hero-cta-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
            border-radius: var(--radius);
            padding: var(--spacing-3) var(--spacing-4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            flex-wrap: wrap;
            border: 1px solid rgba(0,212,255,0.3);
        }
        .hero-cta-strip .cta-text {
            color: #fff;
            font-size: 0.98rem;
            font-weight: 600;
        }
        .hero-cta-strip .cta-text small {
            color: rgba(255,255,255,0.7);
            display: block;
            font-weight: 400;
            font-size: 0.82rem;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .hero-main {
                grid-row: auto;
                min-height: 320px;
            }
            .hero-mini-card {
                min-height: 140px;
            }
            .hero-cta-strip {
                grid-column: auto;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: var(--spacing-4) 0 var(--spacing-3);
            }
            .hero-main {
                padding: var(--spacing-3);
                min-height: auto;
            }
            .hero-stat .num {
                font-size: 1.2rem;
            }
            .hero-cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-2) var(--spacing-3);
            }
        }
        @media (max-width: 520px) {
            .hero-main h1 {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 8px;
            }
            .hero-stat {
                min-width: 60px;
                padding: 8px 10px;
            }
            .hero-stat .num {
                font-size: 1rem;
            }
            .hero-stat .label {
                font-size: 0.7rem;
            }
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all .25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .card-body {
            padding: var(--spacing-3);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            display: block;
        }
        .card-title:hover { color: var(--accent); }
        .card-text {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Feature Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-3);
        }
        .feature-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: var(--spacing-3);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all .25s;
        }
        .feature-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--accent-soft);
            color: var(--accent);
            margin-bottom: var(--spacing-2);
        }
        .feature-item h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .feature-item p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .features-grid { grid-template-columns: 1fr; }
        }

        /* Service section */
        .service-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-4);
            align-items: center;
        }
        .service-split img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }
        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .service-list li:last-child { border-bottom: none; }
        .service-list .s-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .service-list .s-text h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .service-list .s-text p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .service-split { grid-template-columns: 1fr; }
        }

        /* About / Brand Story */
        .about-band {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            position: relative;
            overflow: hidden;
        }
        .about-band::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(0,212,255,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .about-band h2 { color: #fff; }
        .about-band p {
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            font-size: 1.02rem;
            line-height: 1.85;
        }
        .about-band .about-tag {
            display: inline-block;
            background: rgba(0,212,255,0.2);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: var(--spacing-2);
        }

        /* Info / News section with list */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--spacing-4);
        }
        .news-list {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            gap: var(--spacing-2);
            padding: var(--spacing-2) var(--spacing-3);
            border-bottom: 1px solid var(--border);
            transition: background .2s;
            align-items: flex-start;
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { background: var(--surface-alt); }
        .news-item .news-cat {
            flex-shrink: 0;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--accent-soft);
            color: #0891b2;
            margin-top: 2px;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .news-item .news-content h4 a { color: var(--text); }
        .news-item .news-content h4 a:hover { color: var(--accent); }
        .news-item .news-content p {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 4px;
            line-height: 1.55;
        }
        .news-item .news-meta {
            font-size: 0.75rem;
            color: #94a3b8;
            display: flex;
            gap: 12px;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .news-reco {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .news-reco img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .news-reco .news-reco-body {
            padding: var(--spacing-2);
        }
        .news-reco .news-reco-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .news-reco .news-reco-body p {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.55;
        }
        @media (max-width: 768px) {
            .news-layout { grid-template-columns: 1fr; }
        }

        /* Limit / flash CTA */
        .flash-cta {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0c4a6e 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-4) var(--spacing-5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            flex-wrap: wrap;
            border: 1px solid rgba(0, 212, 255, 0.3);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .flash-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(0,212,255,0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .flash-cta .flash-text {
            position: relative;
            z-index: 1;
            color: #fff;
        }
        .flash-cta .flash-text h3 {
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 4px;
        }
        .flash-cta .flash-text p {
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .flash-cta .countdown {
            display: flex;
            gap: 12px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .countdown .cd-box {
            background: rgba(255,255,255,0.12);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            text-align: center;
            min-width: 52px;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .countdown .cd-box .cd-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-family: var(--font-mono);
        }
        .countdown .cd-box .cd-label {
            font-size: 0.7rem;
            color: rgba(255,255,255,0.7);
        }
        @media (max-width: 768px) {
            .flash-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-3);
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
            max-width: 860px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all .25s;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow);
        }
        .faq-item summary {
            padding: var(--spacing-2) var(--spacing-3);
            cursor: pointer;
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary:hover { color: var(--accent); }
        .faq-item summary .fa-chevron-down {
            transition: transform .3s;
            color: var(--text-weak);
            flex-shrink: 0;
        }
        .faq-item[open] summary .fa-chevron-down { transform: rotate(180deg); }
        .faq-item .faq-answer {
            padding: 0 var(--spacing-3) var(--spacing-2);
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* CTA bottom */
        .cta-bottom {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }
        .cta-bottom h3 {
            margin-bottom: 4px;
        }
        .cta-bottom p {
            color: var(--text-weak);
            margin-bottom: 0;
            max-width: 480px;
            font-size: 0.9rem;
        }
        @media (max-width: 520px) {
            .cta-bottom {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-3);
            }
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            margin-top: var(--spacing-6);
            padding: var(--spacing-5) 0 var(--spacing-3);
        }
        .site-footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-3);
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-4);
        }
        .site-footer .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-2);
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-1);
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: var(--spacing-2);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.85rem;
            transition: color .2s;
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            max-width: 1200px;
            margin: var(--spacing-4) auto 0;
            padding: var(--spacing-2) var(--spacing-3) 0;
            border-top: 1px solid rgba(255,255,255,0.15);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.55);
        }
        .site-footer .footer-bottom .fp {
            font-size: 0.78rem;
        }
        @media (max-width: 768px) {
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-3);
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Fixed bottom conversion bar */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--primary);
            border-top: 1px solid rgba(0,212,255,0.3);
            box-shadow: 0 -6px 24px rgba(15, 23, 42, 0.2);
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-2);
            padding: 12px var(--spacing-3);
            flex-wrap: wrap;
        }
        .fixed-cta-bar.show {
            display: flex;
        }
        .fixed-cta-bar .fc-text {
            color: #fff;
            font-size: 0.88rem;
            font-weight: 600;
        }
        .fixed-cta-bar .fc-text small {
            display: block;
            color: rgba(255,255,255,0.7);
            font-weight: 400;
            font-size: 0.76rem;
        }
        .fixed-cta-bar .btn {
            font-size: 0.85rem;
            padding: 9px 18px;
        }
        body.has-fixed-cta {
            padding-bottom: 56px;
        }
        @media (max-width: 520px) {
            .fixed-cta-bar {
                padding: 8px 12px;
            }
            .fixed-cta-bar .fc-text {
                font-size: 0.78rem;
            }
            .fixed-cta-bar .btn {
                font-size: 0.75rem;
                padding: 7px 14px;
            }
            body.has-fixed-cta {
                padding-bottom: 48px;
            }
        }

        /* Dark HUD panel */
        .hud-panel {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: var(--spacing-3);
            border: 1px solid rgba(0,212,255,0.25);
        }
        .hud-panel h3 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: var(--spacing-2);
        }
        .hud-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .hud-row:last-child { border-bottom: none; }
        .hud-row .hud-label {
            color: rgba(255,255,255,0.7);
        }
        .hud-row .hud-value {
            color: var(--accent);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* Tag row */
        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--spacing-2);
        }
        .tag-row .tag {
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-body);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all .2s;
        }
        .tag-row .tag:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Divider */
        .divider {
            height: 1px;
            background: var(--border);
            margin: var(--spacing-5) 0;
        }

        /* Social proof */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-3);
        }
        .proof-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: var(--spacing-3);
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .proof-item .proof-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .proof-item .proof-label {
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        @media (max-width: 1024px) {
            .proof-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .proof-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-2); }
            .proof-item .proof-num { font-size: 1.3rem; }
        }

        /* Review bubbles */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-3);
        }
        .review-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: var(--spacing-3);
            box-shadow: var(--shadow-sm);
            transition: all .25s;
        }
        .review-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .review-card .review-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }
        .review-card .review-text {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: var(--spacing-2);
        }
        .review-card .review-user {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .review-card .review-user .avatar-placeholder {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .review-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .review-grid { grid-template-columns: 1fr; }
        }

        /* Utility */
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: var(--spacing-2); }
        .mt-3 { margin-top: var(--spacing-3); }
        .mt-4 { margin-top: var(--spacing-4); }
        .mb-2 { margin-bottom: var(--spacing-2); }
        .mb-3 { margin-bottom: var(--spacing-3); }
        .mb-4 { margin-bottom: var(--spacing-4); }
        .text-center { text-align: center; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-1 { gap: var(--spacing-1); }
        .gap-2 { gap: var(--spacing-2); }
        .gap-3 { gap: var(--spacing-3); }
        .w-full { width: 100%; }

@media (max-width: 768px) {
                            .card > div > div {
                                grid-template-columns: 1fr !important;
                            }
                        }