/* roulang page: index */
:root {
            --primary-purple: #7C3AED;
            --primary-red: #E11D48;
            --accent-gold: #F5B84C;
            --accent-teal: #2DD4BF;
            --bg-dark: #0B0A10;
            --bg-dark-2: #15131F;
            --panel: #1B1725;
            --panel-light: #211C2E;
            --text-primary: #F4F1FA;
            --text-secondary: #B8B1CC;
            --text-muted: #7E7695;
            --border-soft: rgba(255,255,255,0.08);
            --border-strong: rgba(255,255,255,0.14);
            --radius-card: 22px;
            --radius-card-sm: 14px;
            --radius-card-xs: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-card-hover: 0 10px 32px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 32px rgba(124,58,237,0.22);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --transition-base: all 0.28s cubic-bezier(0.4,0,0.2,1);
            --transition-spring: all 0.38s cubic-bezier(0.34,1.56,0.64,1);
            --gradient-brand: linear-gradient(135deg,#7C3AED 0%,#E11D48 100%);
            --gradient-brand-soft: linear-gradient(135deg,rgba(124,58,237,0.18) 0%,rgba(225,29,72,0.18) 100%);
            --gradient-teal: linear-gradient(135deg,#2DD4BF 0%,#0EA5E9 100%);
            --gradient-gold: linear-gradient(135deg,#F5B84C 0%,#F97316 100%);
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            background-image: 
                radial-gradient(ellipse at 20% 10%,rgba(124,58,237,0.08) 0%,transparent 55%),
                radial-gradient(ellipse at 80% 30%,rgba(225,29,72,0.05) 0%,transparent 55%),
                radial-gradient(ellipse at 50% 80%,rgba(45,212,191,0.04) 0%,transparent 55%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #5EEAD4;
        }

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

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

        button {
            cursor: pointer;
        }

        ::selection {
            background: rgba(124,58,237,0.45);
            color: #fff;
        }

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

        section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-alt {
            background-color: var(--bg-dark-2);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-panel {
            background-color: var(--panel);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-teal);
            background: rgba(45,212,191,0.12);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            border: 1px solid rgba(45,212,191,0.2);
        }
        .section-head h2 {
            font-size: clamp(24px,3.4vw,32px);
            font-weight: 700;
            line-height: 1.28;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11,10,16,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(11,10,16,0.96);
            border-bottom-color: rgba(255,255,255,0.12);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(124,58,237,0.4);
        }
        .nav-logo .logo-text {
            white-space: nowrap;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-logo .logo-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            -webkit-text-fill-color: var(--text-muted);
            margin-top: -2px;
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            padding: 8px 16px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            position: relative;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: var(--gradient-brand);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 7px 16px;
            min-width: 180px;
            transition: var(--transition-base);
        }
        .nav-search:focus-within {
            border-color: rgba(124,58,237,0.6);
            box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
            background: rgba(255,255,255,0.08);
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13.5px;
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14.5px;
            border-radius: var(--radius-pill);
            padding: 10px 26px;
            transition: var(--transition-base);
            line-height: 1.4;
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 16px rgba(124,58,237,0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 26px rgba(124,58,237,0.5);
            transform: translateY(-2px);
            color: #fff;
            filter: brightness(1.08);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(124,58,237,0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-strong);
        }
        .btn-outline:hover {
            border-color: rgba(124,58,237,0.7);
            background: rgba(124,58,237,0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 7px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 38px;
            font-size: 16.5px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-teal);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.12);
        }
        .nav-toggle input {
            display: none;
        }
        .nav-toggle .icon-bar {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-toggle .icon-bar::before,
        .nav-toggle .icon-bar::after {
            content: '';
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: var(--transition-base);
        }
        .nav-toggle .icon-bar::before { top: -7px; }
        .nav-toggle .icon-bar::after { top: 7px; }
        .nav-toggle input:checked + .icon-bar { background: transparent; }
        .nav-toggle input:checked + .icon-bar::before { top: 0; transform: rotate(45deg); }
        .nav-toggle input:checked + .icon-bar::after { top: 0; transform: rotate(-45deg); }

        /* Hero - 拼团转化风格 */
        .hero {
            position: relative;
            min-height: 600px;
            padding-top: 80px;
            padding-bottom: 80px;
            background-image: url('/assets/images/439b4a3a693d881b.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,rgba(11,10,16,0.92) 0%,rgba(21,19,31,0.82) 45%,rgba(11,10,16,0.88) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 75% 45%,rgba(124,58,237,0.22) 0%,transparent 60%);
            z-index: 2;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-copy .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-teal);
            background: rgba(45,212,191,0.12);
            border: 1px solid rgba(45,212,191,0.25);
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.06em;
        }
        .hero-copy h1 {
            font-size: clamp(30px,4.6vw,44px);
            font-weight: 700;
            line-height: 1.22;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .hero-copy h1 .highlight {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-copy .hero-desc {
            font-size: 16.5px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .group-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
        }
        .group-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-teal);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(45,212,191,0.5); }
            50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(45,212,191,0); }
        }
        .hero-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .num {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }
        .hero-stat .label {
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .hero-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-data-card {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .hero-data-card:hover {
            background: rgba(255,255,255,0.09);
            border-color: rgba(124,58,237,0.5);
            transform: translateY(-3px);
        }
        .hero-data-card .data-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }
        .hero-data-card .data-icon.purple {
            background: rgba(124,58,237,0.2);
            color: #A78BFA;
        }
        .hero-data-card .data-icon.gold {
            background: rgba(245,184,76,0.2);
            color: var(--accent-gold);
        }
        .hero-data-card .data-icon.teal {
            background: rgba(45,212,191,0.2);
            color: var(--accent-teal);
        }
        .hero-data-card .data-info {
            flex: 1;
        }
        .hero-data-card .data-info .data-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .hero-data-card .data-info .data-value {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }
        .hero-data-card .badge-pill {
            flex-shrink: 0;
        }

        /* 通用卡片 */
        .card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            border-color: rgba(124,58,237,0.45);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .badge-gold {
            background: rgba(245,184,76,0.16);
            color: var(--accent-gold);
            border: 1px solid rgba(245,184,76,0.3);
        }
        .badge-teal {
            background: rgba(45,212,191,0.16);
            color: var(--accent-teal);
            border: 1px solid rgba(45,212,191,0.3);
        }
        .badge-gray {
            background: rgba(255,255,255,0.07);
            color: var(--text-secondary);
            border: 1px solid var(--border-soft);
        }
        .badge-rank {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            font-weight: 700;
        }

        /* 图片样式 */
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: inherit;
        }
        .img-placeholder {
            width: 100%;
            height: 100%;
            min-height: 160px;
            background: var(--panel-light);
            border-radius: inherit;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 13px;
            letter-spacing: 0.04em;
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5,1fr);
            gap: 16px;
        }
        .metric-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 22px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .metric-card:hover {
            border-color: rgba(45,212,191,0.4);
            transform: translateY(-2px);
        }
        .metric-card .metric-num {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .metric-card .badge {
            margin-top: 10px;
        }

        /* 全球覆盖 */
        .global-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .global-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 380px;
            border: 1px solid var(--border-soft);
            position: relative;
        }
        .global-img .img-cover {
            height: 100%;
        }
        .global-img .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 28px;
            background: linear-gradient(to top,rgba(11,10,16,0.9) 0%,transparent 100%);
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .global-img .img-overlay .badge {
            font-size: 13px;
        }
        .global-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .global-list-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 18px 20px;
            transition: var(--transition-base);
        }
        .global-list-item:hover {
            border-color: rgba(45,212,191,0.4);
            transform: translateX(4px);
        }
        .global-list-item .gl-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            background: rgba(45,212,191,0.14);
            color: var(--accent-teal);
        }
        .global-list-item .gl-text h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .global-list-item .gl-text p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 场景卡 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 20px;
        }
        .scene-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            background: var(--panel);
            transition: var(--transition-base);
            position: relative;
        }
        .scene-card:hover {
            border-color: rgba(124,58,237,0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scene-card .scene-img {
            height: 200px;
            overflow: hidden;
        }
        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-card .scene-body {
            padding: 20px 22px 24px;
        }
        .scene-card .scene-body h3 {
            font-size: 17.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .scene-card .scene-body p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .scene-card .badge {
            margin-bottom: 10px;
        }

        /* 内容频道矩阵 */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 20px;
        }
        .channel-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: var(--transition-base);
        }
        .channel-card:hover {
            border-color: rgba(124,58,237,0.5);
            background: var(--panel-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .channel-card .ch-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }
        .channel-card .ch-icon.ch-purple { background: rgba(124,58,237,0.16); color: #A78BFA; }
        .channel-card .ch-icon.ch-gold { background: rgba(245,184,76,0.16); color: var(--accent-gold); }
        .channel-card .ch-icon.ch-teal { background: rgba(45,212,191,0.16); color: var(--accent-teal); }
        .channel-card .ch-icon.ch-red { background: rgba(225,29,72,0.16); color: #FB7185; }
        .channel-card .ch-text h3 {
            font-size: 16.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .channel-card .ch-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .channel-card .ch-text .badge {
            margin-top: 8px;
        }

        /* 本地化能力 */
        .local-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 18px;
        }
        .local-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 22px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .local-card:hover {
            border-color: rgba(245,184,76,0.5);
            transform: translateY(-3px);
        }
        .local-card .local-icon {
            font-size: 30px;
            margin-bottom: 12px;
            display: block;
        }
        .local-card h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .local-card p {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 客户案例 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .case-card:hover {
            border-color: rgba(225,29,72,0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .case-card .case-img {
            height: 170px;
            overflow: hidden;
        }
        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        .case-card .case-body {
            padding: 18px 20px 22px;
        }
        .case-card .case-body h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .case-card .case-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .case-card .case-body .badge {
            margin-bottom: 8px;
        }

        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .compare-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 30px 28px;
            transition: var(--transition-base);
        }
        .compare-card:hover {
            border-color: rgba(45,212,191,0.45);
            transform: translateY(-3px);
        }
        .compare-card.featured {
            border-color: rgba(124,58,237,0.6);
            background: linear-gradient(135deg,rgba(124,58,237,0.08) 0%,rgba(225,29,72,0.06) 100%);
            box-shadow: var(--shadow-glow);
        }
        .compare-card.featured .badge-rank {
            display: inline-block;
            margin-bottom: 10px;
        }
        .compare-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .compare-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .compare-card ul li {
            font-size: 14.5px;
            color: var(--text-secondary);
            display: flex;
            gap: 10px;
            align-items: flex-start;
            line-height: 1.6;
        }
        .compare-card ul li .check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            background: rgba(45,212,191,0.16);
            color: var(--accent-teal);
        }
        .compare-card ul li .cross {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            background: rgba(225,29,72,0.16);
            color: #FB7185;
        }

        /* 里程碑 */
        .timeline {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 16px;
            position: relative;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg,rgba(124,58,237,0.3),rgba(225,29,72,0.3),rgba(45,212,191,0.3));
            border-radius: 2px;
        }
        .timeline-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .timeline-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 0 20px rgba(124,58,237,0.4);
        }
        .timeline-step h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .timeline-step p {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 资讯列表 */
        .info-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .info-card {
            display: flex;
            gap: 16px;
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 16px 18px;
            transition: var(--transition-base);
            text-decoration: none;
            color: inherit;
        }
        .info-card:hover {
            border-color: rgba(124,58,237,0.5);
            transform: translateX(4px);
            box-shadow: var(--shadow-card);
        }
        .info-card .info-thumb {
            width: 100px;
            height: 76px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .info-card .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-card .info-thumb .img-placeholder {
            min-height: 76px;
            font-size: 11px;
        }
        .info-card .info-content {
            flex: 1;
            min-width: 0;
        }
        .info-card .info-content h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .info-card .info-content p {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 6px;
        }
        .info-card .info-meta {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 11.5px;
            color: var(--text-muted);
        }
        .info-card .info-meta .badge {
            font-size: 10.5px;
            padding: 3px 10px;
        }
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 50px 30px;
            background: var(--panel);
            border: 1px dashed var(--border-strong);
            border-radius: var(--radius-card);
            color: var(--text-muted);
            font-size: 15px;
            text-align: center;
            gap: 10px;
        }
        .empty-state .empty-icon {
            font-size: 42px;
            opacity: 0.6;
        }
        .info-sidebar {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .info-side-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 22px 20px;
        }
        .info-side-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .info-side-card .side-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .info-side-card .side-list a {
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 8px;
            transition: var(--transition-base);
            display: block;
        }
        .info-side-card .side-list a:hover {
            background: rgba(255,255,255,0.06);
            color: var(--accent-teal);
        }

        /* 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 18px;
        }
        .guarantee-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 26px 22px;
            text-align: center;
            transition: var(--transition-base);
        }
        .guarantee-card:hover {
            border-color: rgba(45,212,191,0.45);
            transform: translateY(-3px);
        }
        .guarantee-card .gu-icon {
            font-size: 32px;
            margin-bottom: 12px;
            display: block;
        }
        .guarantee-card h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .guarantee-card p {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 快速解答 */
        .quick-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: start;
        }
        .quick-steps {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .quick-step {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 20px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: var(--transition-base);
        }
        .quick-step:hover {
            border-color: rgba(124,58,237,0.5);
            transform: translateX(4px);
        }
        .quick-step .qs-num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .quick-step h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .quick-step p {
            font-size: 12.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .quick-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            min-height: 280px;
            border: 1px solid var(--border-soft);
            position: relative;
        }
        .quick-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        .quick-img .quick-img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top,rgba(11,10,16,0.85) 0%,transparent 100%);
        }
        .quick-img .quick-img-overlay h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
        }
        .quick-img .quick-img-overlay p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 排行榜 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 14px 18px;
            transition: var(--transition-base);
        }
        .rank-item:hover {
            border-color: rgba(245,184,76,0.45);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            background: var(--gradient-brand);
        }
        .rank-item .rank-num.top1 { background: var(--gradient-gold); }
        .rank-item .rank-num.top2 { background: linear-gradient(135deg,#94A3B8,#475569); }
        .rank-item .rank-num.top3 { background: linear-gradient(135deg,#EA8C55,#B9652F); }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h3 {
            font-size: 14.5px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-info p {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-badges {
            display: flex;
            gap: 6px;
            flex-shrink: 0;
        }
        .rank-change {
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .rank-change.up { color: var(--accent-teal); }
        .rank-change.down { color: #FB7185; }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(124,58,237,0.4);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-size: 15.5px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .faq-item[open] summary::after {
            content: '−';
            color: var(--accent-teal);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border-soft);
            padding-top: 16px;
        }

        /* 转化表单 */
        .cta-section {
            background: linear-gradient(135deg,rgba(124,58,237,0.15) 0%,rgba(225,29,72,0.12) 100%);
            border: 1px solid rgba(124,58,237,0.25);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center,rgba(124,58,237,0.12) 0%,transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(22px,3vw,28px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 14px;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            background: rgba(255,255,255,0.07);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 13px 22px;
            font-size: 14.5px;
            color: var(--text-primary);
            transition: var(--transition-base);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .cta-form input:focus {
            border-color: rgba(124,58,237,0.7);
            box-shadow: 0 0 0 3px rgba(124,58,237,0.18);
            background: rgba(255,255,255,0.1);
        }
        .cta-form .btn-primary {
            min-width: 140px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-soft);
            padding-top: 56px;
            padding-bottom: 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13.5px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col ul a:hover {
            color: var(--accent-teal);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-teal);
        }

        /* 响应式 */
        @media (max-width: 1200px) {
            .metrics-grid {
                grid-template-columns: repeat(4,1fr);
            }
            .metrics-grid .metric-card:last-child {
                display: none;
            }
        }
        @media (max-width: 1024px) {
            .nav-center {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-right .nav-search {
                display: none;
            }
            section {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                padding-top: 56px;
                padding-bottom: 56px;
                min-height: auto;
            }
            .global-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .channel-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .local-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: repeat(2,1fr);
                gap: 24px;
            }
            .timeline::before {
                display: none;
            }
            .info-layout {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .quick-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-wrap {
                height: 60px;
                gap: 12px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .nav-right .btn-outline {
                display: none;
            }
            .nav-right .btn-primary {
                padding: 8px 18px;
                font-size: 13px;
            }
            section {
                padding-top: 44px;
                padding-bottom: 44px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .section-head p {
                font-size: 14px;
            }
            .hero {
                padding-top: 36px;
                padding-bottom: 40px;
            }
            .hero-copy h1 {
                font-size: clamp(24px,5.5vw,32px);
            }
            .hero-copy .hero-desc {
                font-size: 14.5px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-data-card {
                padding: 16px 18px;
                gap: 12px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2,1fr);
                gap: 12px;
            }
            .metrics-grid .metric-card:last-child {
                display: block;
            }
            .metric-card .metric-num {
                font-size: 24px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .local-grid {
                grid-template-columns: repeat(2,1fr);
                gap: 12px;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .info-card {
                flex-direction: column;
                gap: 10px;
                padding: 14px;
            }
            .info-card .info-thumb {
                width: 100%;
                height: 140px;
            }
            .info-card .info-thumb .img-placeholder {
                min-height: 140px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .rank-item .rank-num {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }
        }
        @media (max-width: 576px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-card {
                padding: 16px 12px;
            }
            .metric-card .metric-num {
                font-size: 20px;
            }
            .metric-card .metric-label {
                font-size: 11.5px;
            }
            .local-grid {
                grid-template-columns: 1fr;
            }
            .nav-logo .logo-sub {
                display: none;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat .num {
                font-size: 18px;
            }
            .hero-stat .label {
                font-size: 11px;
            }
            .compare-card {
                padding: 20px 16px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                padding-top: 12px;
                font-size: 13px;
            }
            .cta-section h2 {
                font-size: 20px;
            }
        }

        /* 抽屉导航 */
        .nav-drawer {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11,10,16,0.97);
            z-index: 999;
            padding: 20px 16px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .nav-drawer.open {
            display: flex;
        }
        .nav-drawer .nav-link {
            padding: 14px 18px;
            font-size: 16px;
            border-radius: 12px;
        }
        .nav-drawer .nav-link:hover {
            background: rgba(255,255,255,0.06);
        }
        .nav-drawer .nav-search {
            display: flex;
            width: 100%;
            margin-bottom: 8px;
        }

/* roulang page: article */
:root {
            --primary-purple: #7C3AED;
            --primary-red: #E11D48;
            --accent-gold: #F5B84C;
            --accent-teal: #2DD4BF;
            --bg-dark: #0B0A10;
            --bg-dark-2: #15131F;
            --panel: #1B1725;
            --panel-light: #211C2E;
            --text-primary: #F4F1FA;
            --text-secondary: #B8B1CC;
            --text-muted: #7E7695;
            --border-soft: rgba(255,255,255,0.08);
            --border-strong: rgba(255,255,255,0.14);
            --radius-card: 22px;
            --radius-card-sm: 14px;
            --radius-card-xs: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-card-hover: 0 10px 32px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 32px rgba(124,58,237,0.22);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --transition-base: all 0.28s cubic-bezier(0.4,0,0.2,1);
            --transition-spring: all 0.38s cubic-bezier(0.34,1.56,0.64,1);
            --gradient-brand: linear-gradient(135deg,#7C3AED 0%,#E11D48 100%);
            --gradient-brand-soft: linear-gradient(135deg,rgba(124,58,237,0.18) 0%,rgba(225,29,72,0.18) 100%);
            --gradient-teal: linear-gradient(135deg,#2DD4BF 0%,#0EA5E9 100%);
            --gradient-gold: linear-gradient(135deg,#F5B84C 0%,#F97316 100%);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            background-image: 
                radial-gradient(ellipse at 20% 10%,rgba(124,58,237,0.08) 0%,transparent 55%),
                radial-gradient(ellipse at 80% 30%,rgba(225,29,72,0.05) 0%,transparent 55%),
                radial-gradient(ellipse at 50% 80%,rgba(45,212,191,0.04) 0%,transparent 55%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #5EEAD4;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .section-alt {
            background-color: var(--bg-dark-2);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .section-panel {
            background-color: var(--panel);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-teal);
            background: rgba(45,212,191,0.12);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            border: 1px solid rgba(45,212,191,0.2);
        }
        .section-head h2 {
            font-size: clamp(24px,3vw,30px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11,10,16,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(11,10,16,0.96);
            border-bottom-color: rgba(255,255,255,0.12);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            position: relative;
            transition: var(--transition-base);
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.05);
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 3px;
            border-radius: 3px;
            background: var(--gradient-brand);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .search-box input {
            width: 160px;
            font-size: 14px;
            color: var(--text-primary);
            background: transparent;
            border: none;
            outline: none;
        }
        .search-box:focus-within {
            border-color: var(--accent-teal);
            box-shadow: 0 0 0 3px rgba(45,212,191,0.15);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: var(--transition-base);
            text-decoration: none;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 8px 20px rgba(225,29,72,0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.1);
            box-shadow: 0 14px 28px rgba(225,29,72,0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-strong);
        }
        .btn-outline:hover {
            background: var(--gradient-brand-soft);
            border-color: rgba(124,58,237,0.5);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-teal);
            outline-offset: 3px;
        }
        .btn:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }
        /* Mobile nav */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--bg-dark-2);
            border-top: 1px solid var(--border-soft);
            padding: 16px 24px 24px;
            gap: 8px;
        }
        .mobile-nav .nav-link {
            display: block;
            text-align: left;
        }
        .mobile-nav .search-box {
            width: 100%;
        }
        .mobile-nav .search-box input {
            width: 100%;
        }

        /* Article breadcrumb */
        .breadcrumb-section {
            padding-top: 28px;
            padding-bottom: 8px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-teal);
            font-weight: 500;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Article hero */
        .article-hero {
            padding-top: 16px;
            padding-bottom: 24px;
        }
        .article-hero .container {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
        }
        .article-meta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .article-title {
            font-size: clamp(28px,4vw,40px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .article-summary {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 20px;
            max-width: 860px;
        }
        .article-info-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.05);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-soft);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }
        .badge-gold {
            background: rgba(245,184,76,0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(245,184,76,0.3);
        }
        .badge-teal {
            background: rgba(45,212,191,0.15);
            color: var(--accent-teal);
            border: 1px solid rgba(45,212,191,0.3);
        }
        .badge-purple {
            background: rgba(124,58,237,0.15);
            color: #A78BFA;
            border: 1px solid rgba(124,58,237,0.3);
        }

        /* Article body */
        .article-body-section {
            padding-top: 16px;
            padding-bottom: 24px;
        }
        .article-body {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: #fff;
            line-height: 1.35;
            position: relative;
            padding-left: 16px;
        }
        .article-body h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.15em;
            bottom: 0.15em;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-brand);
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: #fff;
        }
        .article-body p {
            margin-bottom: 1.4em;
            color: var(--text-secondary);
        }
        .article-body ul, .article-body ol {
            margin: 1em 0 1.6em 1.5em;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body blockquote {
            margin: 1.5em 0;
            padding: 16px 20px;
            border-left: 4px solid var(--accent-teal);
            background: rgba(45,212,191,0.06);
            border-radius: 0 12px 12px 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-card-sm);
            margin: 1.5em 0;
            width: 100%;
            height: auto;
            object-fit: cover;
            background: var(--panel);
        }
        .article-body a {
            color: var(--accent-teal);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: #5EEAD4;
        }
        .article-body .not-found {
            text-align: center;
            padding: 40px 20px;
        }
        .article-body .not-found h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            padding-left: 0;
        }
        .article-body .not-found h2::before {
            display: none;
        }
        .article-body .not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* Tags */
        .article-tags-section {
            padding-top: 8px;
            padding-bottom: 24px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-soft);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            transition: var(--transition-base);
        }
        .tag:hover {
            color: #fff;
            border-color: var(--accent-teal);
            background: rgba(45,212,191,0.08);
            transform: translateY(-1px);
        }

        /* Related */
        .related-section .section-head {
            text-align: left;
            margin-bottom: 28px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(124,58,237,0.4);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--panel-light);
        }
        .related-card .card-body {
            padding: 18px 20px;
        }
        .related-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Return */
        .return-section {
            text-align: center;
            padding-top: 24px;
            padding-bottom: 24px;
        }
        .return-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* Prev/Next */
        .prevnext-section {
            padding-top: 8px;
            padding-bottom: 24px;
        }
        .prevnext-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .prevnext-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card-sm);
            padding: 18px 20px;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .prevnext-card:hover {
            border-color: rgba(124,58,237,0.4);
            background: var(--panel-light);
            transform: translateY(-3px);
        }
        .prevnext-card .pn-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #A78BFA;
            font-size: 18px;
            flex-shrink: 0;
        }
        .prevnext-card .pn-content {
            min-width: 0;
        }
        .prevnext-card .pn-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .prevnext-card .pn-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .prevnext-card.next-card {
            text-align: right;
            flex-direction: row-reverse;
        }

        /* Interaction */
        .interaction-section {
            padding-top: 8px;
            padding-bottom: 40px;
        }
        .interaction-bar {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px 24px;
        }
        .interaction-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            transition: var(--transition-base);
            cursor: default;
        }
        .interaction-item i {
            font-size: 18px;
            color: var(--accent-teal);
        }
        .interaction-item:hover {
            border-color: rgba(45,212,191,0.4);
            color: #fff;
            background: rgba(45,212,191,0.08);
            transform: translateY(-2px);
        }
        .interaction-item .count-badge {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-gold);
            background: rgba(245,184,76,0.15);
            border-radius: var(--radius-pill);
            padding: 2px 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark-2);
            border-top: 1px solid var(--border-soft);
            padding-top: 56px;
            padding-bottom: 28px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent-teal);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-muted);
            gap: 8px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-center {
                display: none;
            }
            .nav-actions .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav.show {
                display: flex;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-actions .btn-outline {
                display: none;
            }
            section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .article-hero .container {
                padding: 20px;
            }
            .article-title {
                font-size: 26px;
            }
            .article-body {
                padding: 22px 20px;
                font-size: 15px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .prevnext-grid {
                grid-template-columns: 1fr;
            }
            .prevnext-card.next-card {
                flex-direction: row;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-wrap {
                height: 60px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .interaction-bar {
                gap: 12px;
                padding: 16px;
            }
            .interaction-item {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-purple: #7C3AED;
            --primary-red: #E11D48;
            --accent-gold: #F5B84C;
            --accent-teal: #2DD4BF;
            --bg-dark: #0B0A10;
            --bg-dark-2: #15131F;
            --panel: #1B1725;
            --panel-light: #211C2E;
            --text-primary: #F4F1FA;
            --text-secondary: #B8B1CC;
            --text-muted: #7E7695;
            --border-soft: rgba(255,255,255,0.08);
            --border-strong: rgba(255,255,255,0.14);
            --radius-card: 22px;
            --radius-card-sm: 14px;
            --radius-card-xs: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-card-hover: 0 10px 32px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 32px rgba(124,58,237,0.22);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --transition-base: all 0.28s cubic-bezier(0.4,0,0.2,1);
            --transition-spring: all 0.38s cubic-bezier(0.34,1.56,0.64,1);
            --gradient-brand: linear-gradient(135deg,#7C3AED 0%,#E11D48 100%);
            --gradient-brand-soft: linear-gradient(135deg,rgba(124,58,237,0.18) 0%,rgba(225,29,72,0.18) 100%);
            --gradient-teal: linear-gradient(135deg,#2DD4BF 0%,#0EA5E9 100%);
            --gradient-gold: linear-gradient(135deg,#F5B84C 0%,#F97316 100%);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            background-image:
                radial-gradient(ellipse at 18% 10%, rgba(124,58,237,0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 82% 25%, rgba(225,29,72,0.05) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(45,212,191,0.04) 0%, transparent 55%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: #5EEAD4;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .section-alt {
            background-color: var(--bg-dark-2);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .section-panel {
            background-color: var(--panel);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-teal);
            background: rgba(45,212,191,0.12);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            border: 1px solid rgba(45,212,191,0.2);
        }
        .section-head h2 {
            font-size: clamp(24px,3.4vw,32px);
            font-weight: 700;
            line-height: 1.28;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11,10,16,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(11,10,16,0.96);
            border-bottom-color: rgba(255,255,255,0.12);
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .nav-logo .logo-icon {
            width: 37px;
            height: 37px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .nav-center::-webkit-scrollbar {
            height: 4px;
        }
        .nav-center::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 999px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: var(--transition-base);
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.05);
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            border-radius: 999px;
            background: var(--gradient-brand);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 7px 14px;
            transition: var(--transition-base);
            max-width: 200px;
        }
        .nav-search:focus-within {
            border-color: rgba(124,58,237,0.6);
            box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
        }
        .nav-search input {
            width: 100%;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 18px;
            transition: var(--transition-spring);
            white-space: nowrap;
            text-decoration: none;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 6px 18px rgba(225,29,72,0.25);
        }
        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(225,29,72,0.35);
            filter: brightness(1.08);
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.96);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255,255,255,0.18);
            color: var(--text-primary);
        }
        .btn-outline:hover {
            border-color: rgba(255,255,255,0.35);
            background: rgba(255,255,255,0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(45,212,191,0.5);
            outline-offset: 2px;
        }
        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
        }
        .nav-burger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11,10,16,0.98);
            backdrop-filter: blur(16px);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 12px;
            border-top: 1px solid var(--border-soft);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav .nav-link {
            font-size: 17px;
            padding: 12px;
            border-radius: 12px;
        }
        .mobile-nav .nav-right {
            flex-direction: column;
            align-items: stretch;
            margin-top: 16px;
        }
        .mobile-nav .nav-search {
            max-width: 100%;
        }
        .category-hero {
            position: relative;
            padding: 64px 0 56px;
            background-image: linear-gradient(135deg, rgba(11,10,16,0.86) 0%, rgba(21,19,31,0.78) 100%), url('/assets/images/439b4a3a693d881b.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 0%, rgba(124,58,237,0.15), transparent 50%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .category-hero h1 {
            font-size: clamp(30px,5vw,44px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            max-width: 800px;
            margin: 0 auto 16px;
        }
        .category-hero .category-desc {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
            margin: 0 auto 30px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .hero-stat {
            background: rgba(11,10,16,0.6);
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 14px 20px;
            backdrop-filter: blur(8px);
            min-width: 130px;
        }
        .hero-stat .stat-num {
            display: block;
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 34px;
            flex-wrap: wrap;
        }
        .filter-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-pill {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-soft);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .filter-pill:hover {
            color: #fff;
            border-color: rgba(255,255,255,0.22);
            background: rgba(255,255,255,0.08);
        }
        .filter-pill.active {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(225,29,72,0.3);
        }
        .sort-select {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .sort-select:hover {
            border-color: rgba(255,255,255,0.22);
            color: #fff;
        }
        .post-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0,1fr));
            gap: 24px;
        }
        .post-card {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(124,58,237,0.5);
        }
        .post-card-link {
            display: block;
            color: inherit;
            height: 100%;
        }
        .post-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--panel-light);
            border-bottom: 1px solid var(--border-soft);
        }
        .post-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .post-body {
            padding: 20px 22px 22px;
        }
        .post-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
        }
        .badge-teal {
            background: rgba(45,212,191,0.14);
            color: #5EEAD4;
            border: 1px solid rgba(45,212,191,0.25);
        }
        .badge-gold {
            background: rgba(245,184,76,0.14);
            color: #F5B84C;
            border: 1px solid rgba(245,184,76,0.25);
        }
        .badge-gray {
            background: rgba(255,255,255,0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-soft);
        }
        .post-card h2 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .post-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .post-arrow {
            font-size: 18px;
            color: var(--accent-teal);
        }
        .more-btn-wrap {
            text-align: center;
            margin-top: 38px;
        }
        .empty-state {
            text-align: center;
            padding: 48px 24px;
            background: var(--panel);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border-strong);
            color: var(--text-secondary);
        }
        .list-board {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 10px;
        }
        .board-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            padding: 14px 18px;
            transition: var(--transition-base);
        }
        .board-item:hover {
            border-color: rgba(255,255,255,0.18);
            background: var(--panel-light);
        }
        .board-rank {
            font-size: 22px;
            font-weight: 700;
            min-width: 44px;
            color: var(--accent-gold);
            text-align: center;
        }
        .board-info {
            flex: 1;
            min-width: 0;
        }
        .board-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .board-info p {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            position: relative;
            min-height: 280px;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            background-size: cover;
            background-position: center;
            transition: var(--transition-base);
        }
        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .scene-card .scene-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,10,16,0.4) 0%, rgba(11,10,16,0.92) 100%);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .scene-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .scene-tag {
            display: inline-block;
            width: fit-content;
            margin-bottom: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255,255,255,0.14);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.18);
            backdrop-filter: blur(4px);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--panel);
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255,255,255,0.16);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            font-size: 18px;
            color: var(--accent-teal);
            transition: var(--transition-base);
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-secondary);
            padding: 0 22px;
            line-height: 1.8;
        }
        .faq-answer p {
            padding-bottom: 18px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .subscribe-card {
            background: linear-gradient(135deg, rgba(124,58,237,0.16) 0%, rgba(225,29,72,0.16) 100%);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .subscribe-card h2 {
            font-size: clamp(22px,3vw,28px);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .subscribe-card p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 22px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 999px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
            color: var(--text-primary);
            transition: var(--transition-base);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input:focus {
            border-color: rgba(124,58,237,0.65);
            box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
        }
        .site-footer {
            background: #0B0A10;
            border-top: 1px solid var(--border-soft);
            padding: 56px 0 0;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr repeat(3, 1fr);
            gap: 30px;
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col li a:hover {
            color: #fff;
            text-decoration: underline;
            text-decoration-color: rgba(255,255,255,0.4);
            text-underline-offset: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .nav-center {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }
            .nav-search {
                max-width: 150px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 768px) {
            section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .nav-wrap {
                height: 60px;
            }
            .nav-center {
                display: none;
            }
            .nav-right {
                gap: 6px;
            }
            .nav-search {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .category-hero {
                padding: 40px 0 40px;
            }
            .post-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .nav-wrap {
                gap: 10px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .btn-sm {
                padding: 7px 12px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .category-desc {
                font-size: 15px;
            }
            .post-card h2 {
                font-size: 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }