/* roulang page: index */
:root {
            --bg-deep: #0c0d12;
            --bg-secondary: #14161f;
            --bg-card: rgba(26, 29, 41, 0.85);
            --bg-card-hover: rgba(36, 40, 56, 0.95);
            --accent-main: #ff2a5f;
            --accent-main-hover: #e01b4c;
            --accent-cyan: #00f0ff;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-line: rgba(255, 255, 255, 0.12);
            --border-glow: rgba(255, 42, 95, 0.25);
            --border-cyan-glow: rgba(0, 240, 255, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 12px 30px rgba(255, 42, 95, 0.25);
            --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部刊头杂志导航体系 */
        .masthead-header {
            background: rgba(12, 13, 18, 0.95);
            border-bottom: 1px solid var(--border-line);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
        }

        .masthead-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .masthead-meta-left {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .pulse-indicator {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent-cyan);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--accent-cyan);
            animation: pulse-dot 2s infinite ease-in-out;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.4); opacity: 0.6; }
        }

        .masthead-brand {
            font-size: 26px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            text-shadow: 0 0 15px rgba(255, 42, 95, 0.35);
        }

        .masthead-brand span {
            color: var(--accent-main);
        }

        .masthead-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .badge-live {
            background: rgba(255, 42, 95, 0.15);
            border: 1px solid var(--accent-main);
            color: var(--accent-main);
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .masthead-nav-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }

        .nav-capsules {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 2px;
        }

        .nav-capsule-item {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid transparent;
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition-smooth);
        }

        .nav-capsule-item:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-capsule-item.active {
            color: #fff;
            background: var(--accent-main);
            border-color: var(--accent-main);
            box-shadow: 0 2px 10px rgba(255, 42, 95, 0.4);
        }

        .nav-stream-status {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .status-dot {
            width: 6px;
            height: 6px;
            background: #10b981;
            border-radius: 50%;
        }

        /* 统一标题与板块结构 */
        section {
            padding: 70px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: 45px;
            text-align: left;
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-cyan);
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 8px;
            background: rgba(0, 240, 255, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            border-left: 2px solid var(--accent-cyan);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
            max-width: 820px;
            line-height: 1.7;
        }

        /* 按钮通用 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-smooth);
            border: 1px solid transparent;
            outline: none;
            gap: 8px;
        }

        .btn-primary {
            background: var(--accent-main);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 42, 95, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-main-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .btn-ghost:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
        }

        /* 板块一：Hero 控制台与代码指令 */
        .hero-section {
            padding: 70px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 42, 95, 0.12) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
                        var(--bg-deep);
            border-bottom: 1px solid var(--border-line);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }

        .hero-h1 {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-h1 .gradient-text {
            background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-intro {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .hero-spec-list {
            display: flex;
            gap: 24px;
            border-top: 1px solid var(--border-line);
            padding-top: 20px;
        }

        .spec-item {
            font-size: 13px;
            color: var(--text-muted);
        }

        .spec-item strong {
            display: block;
            font-size: 16px;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        /* 终端代码示意框 */
        .code-console-panel {
            background: #08090d;
            border: 1px solid rgba(255, 42, 95, 0.25);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 42, 95, 0.1);
        }

        .console-header {
            background: #11131a;
            padding: 10px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .console-dots {
            display: flex;
            gap: 6px;
        }

        .console-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .dot-r { background: #ef4444; }
        .dot-y { background: #f59e0b; }
        .dot-g { background: #10b981; }

        .console-title {
            font-family: monospace;
            font-size: 12px;
            color: var(--text-muted);
        }

        .console-body {
            padding: 20px;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            font-size: 13px;
            line-height: 1.7;
            color: #cbd5e1;
        }

        .cmd-line { color: var(--accent-cyan); }
        .comment { color: #64748b; }
        .json-key { color: var(--accent-main); }
        .json-str { color: #38bdf8; }
        .json-num { color: #a78bfa; }

        /* 板块二：痛点分析 */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            transition: var(--transition-smooth);
        }

        .pain-card:hover {
            border-color: rgba(239, 68, 68, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 10px 25px rgba(239, 68, 68, 0.1);
        }

        .pain-icon-badge {
            width: 42px;
            height: 42px;
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 20px;
            border: 1px solid rgba(239, 68, 68, 0.2);
        }

        .pain-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .pain-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* 板块三：解决方案矩阵 */
        .solution-matrix-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .matrix-display-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-card);
        }

        .stream-track-mock {
            background: #0a0b0f;
            border-radius: var(--radius-md);
            padding: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
        }

        .track-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .track-wave-line {
            height: 38px;
            display: flex;
            align-items: center;
            gap: 3px;
        }

        .wave-bar {
            flex: 1;
            background: var(--accent-cyan);
            border-radius: 2px;
            opacity: 0.75;
            transition: height 0.2s;
        }

        .solution-feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sol-item {
            background: rgba(255, 255, 255, 0.02);
            border-left: 3px solid var(--accent-main);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            transition: var(--transition-smooth);
        }

        .sol-item:hover {
            background: rgba(255, 42, 95, 0.05);
            transform: translateX(4px);
        }

        .sol-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .sol-item-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 板块四：五步流程轨道 */
        .timeline-track-rail {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .track-step-node {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            position: relative;
            transition: var(--transition-smooth);
        }

        .track-step-node:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 240, 255, 0.15);
        }

        .step-index-badge {
            font-family: monospace;
            font-size: 20px;
            font-weight: 900;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            display: block;
        }

        .step-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        /* 板块五：应用场景海报墙 */
        .poster-wall-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .poster-slot {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .poster-slot:hover {
            border-color: var(--accent-main);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .poster-frame-top {
            height: 140px;
            background: linear-gradient(135deg, #1c1d29 0%, #0d0f17 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .poster-indicator-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.6);
            color: var(--accent-cyan);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .poster-center-icon {
            font-size: 32px;
            color: rgba(255, 255, 255, 0.4);
        }

        .poster-content-body {
            padding: 18px;
            flex: 1;
        }

        .poster-scene-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        /* 板块六：全景数据成果仪表盘 */
        .dash-metric-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dash-metric-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition-smooth);
        }

        .dash-metric-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 24px rgba(0, 240, 255, 0.15);
        }

        .metric-big-num {
            font-size: 36px;
            font-weight: 900;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 4px;
            font-family: monospace;
        }

        .metric-big-num span {
            color: var(--accent-main);
            font-size: 22px;
        }

        .metric-label-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .metric-progress-wrapper {
            background: rgba(255, 255, 255, 0.08);
            height: 6px;
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .metric-fill-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-main), var(--accent-cyan));
            border-radius: 3px;
        }

        .metric-sub-note {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块七：频道分类导流入口 */
        .category-portal-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .channel-portal-card {
            background: linear-gradient(145deg, rgba(26, 29, 41, 0.95), rgba(16, 18, 26, 0.95));
            border: 1px solid rgba(255, 42, 95, 0.2);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .channel-portal-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-main);
            opacity: 0.8;
        }

        .channel-portal-card:hover {
            border-color: var(--accent-main);
            box-shadow: 0 16px 36px rgba(255, 42, 95, 0.22);
            transform: translateY(-4px);
        }

        .portal-top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .portal-channel-index {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 1.5px;
        }

        .portal-count-tag {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 20px;
        }

        .portal-heading {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .portal-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 26px;
        }

        .portal-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            background: rgba(255, 42, 95, 0.15);
            border: 1px solid var(--accent-main);
            border-radius: var(--radius-sm);
            width: fit-content;
        }

        .portal-link-btn:hover {
            background: var(--accent-main);
            box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
            gap: 14px;
        }

        /* 板块八：用户真实体验证言 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testi-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
        }

        .testi-waveform {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 20px;
            margin-bottom: 16px;
        }

        .mini-wave {
            width: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            opacity: 0.6;
        }

        .testi-quote {
            font-size: 14px;
            color: var(--text-primary);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: normal;
        }

        .testi-author-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
        }

        .author-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-main), #6366f1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: #fff;
        }

        .author-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块九：受众精细画像 */
        .persona-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .persona-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition-smooth);
        }

        .persona-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-4px);
        }

        .persona-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-main);
            background: rgba(255, 42, 95, 0.1);
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 14px;
        }

        .persona-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .persona-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* 板块十：核心技术与体验特性对比表 */
        .matrix-table-wrap {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .matrix-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        .matrix-table th {
            background: rgba(255, 255, 255, 0.04);
            padding: 18px 24px;
            font-weight: 700;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .matrix-table th.highlight-col {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            border-bottom: 2px solid var(--accent-cyan);
        }

        .matrix-table td {
            padding: 16px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
        }

        .matrix-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .matrix-table td.highlight-col {
            background: rgba(0, 240, 255, 0.03);
            font-weight: 600;
            color: var(--text-primary);
        }

        .badge-check {
            display: inline-block;
            color: #10b981;
            font-weight: 800;
        }

        .badge-cross {
            display: inline-block;
            color: #ef4444;
            font-weight: 800;
        }

        /* 板块十一：最新资讯与深度刊发动态 */
        .news-hybrid-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.8fr;
            gap: 28px;
        }

        .news-featured-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }

        .news-featured-card:hover {
            border-color: var(--accent-main);
            box-shadow: var(--shadow-glow);
        }

        .featured-banner {
            height: 220px;
            background: linear-gradient(135deg, #241429 0%, #0d0f17 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .featured-topic-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent-main);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .featured-info {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .featured-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .featured-summary {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .news-list-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item-row {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-smooth);
        }

        .news-item-row:hover {
            border-color: rgba(255, 255, 255, 0.2);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .news-item-main {
            max-width: 80%;
        }

        .news-item-time {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .news-item-heading {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .news-arrow-icon {
            color: var(--accent-cyan);
            font-size: 18px;
        }

        /* 板块十二：运营与合规数据指标 */
        .metrics-compliance-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .compliance-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: var(--transition-smooth);
        }

        .compliance-card:hover {
            border-color: var(--accent-cyan);
        }

        .ring-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .ring-val {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-cyan);
            font-family: monospace;
        }

        .ring-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        /* 板块十三：高频答疑中心 FAQ */
        .faq-accordion-wrap {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-item:hover {
            border-color: rgba(255, 42, 95, 0.3);
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 14px;
        }

        /* 板块十四：终极转化区 CTA */
        .final-cta-section {
            padding: 80px 0;
            background: radial-gradient(circle at 50% 50%, rgba(255, 42, 95, 0.18) 0%, rgba(12, 13, 18, 0.95) 75%),
                        var(--bg-deep);
            border-top: 1px solid var(--border-line);
            text-align: center;
        }

        .cta-content-box {
            max-width: 780px;
            margin: 0 auto;
        }

        .cta-main-title {
            font-size: 34px;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .cta-subtext {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 34px;
        }

        .cta-input-group {
            display: flex;
            max-width: 540px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .cta-input-group input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 20px;
            color: #fff;
            font-size: 14px;
            outline: none;
        }

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

        .cta-input-group button {
            border-radius: 0;
            border: none;
            padding: 14px 28px;
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: #08090d;
            border-top: 1px solid var(--border-line);
            padding: 60px 0 30px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand span {
            color: var(--accent-main);
        }

        .footer-about-text {
            line-height: 1.7;
            margin-bottom: 18px;
            color: var(--text-secondary);
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .footer-links-list li {
            margin-bottom: 10px;
        }

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

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

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

        .footer-tech-link:hover {
            color: #fff;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; }
            .solution-matrix-layout { grid-template-columns: 1fr; }
            .timeline-track-rail { grid-template-columns: repeat(3, 1fr); }
            .poster-wall-grid { grid-template-columns: repeat(2, 1fr); }
            .dash-metric-row { grid-template-columns: repeat(2, 1fr); }
            .persona-grid { grid-template-columns: repeat(2, 1fr); }
            .news-hybrid-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
        }

        @media (max-width: 768px) {
            .masthead-top { flex-direction: column; align-items: flex-start; gap: 10px; }
            .masthead-brand { font-size: 20px; }
            .masthead-actions { width: 100%; justify-content: space-between; }
            .nav-stream-status { display: none; }
            .pain-grid { grid-template-columns: 1fr; }
            .timeline-track-rail { grid-template-columns: 1fr; }
            .poster-wall-grid { grid-template-columns: 1fr; }
            .category-portal-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .persona-grid { grid-template-columns: 1fr; }
            .metrics-compliance-grid { grid-template-columns: 1fr; }
            .cta-input-group { flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom-bar { flex-direction: column; gap: 12px; text-align: center; }
            .hero-h1 { font-size: 30px; }
            .section-title { font-size: 24px; }
        }

/* roulang page: category2 */
:root {
      --bg-deep: #0c0d12;
      --bg-secondary: #14161f;
      --bg-card: rgba(26, 29, 41, 0.85);
      --bg-card-hover: rgba(36, 40, 56, 0.95);
      --accent-main: #ff2a5f;
      --accent-main-hover: #e01b4c;
      --accent-cyan: #00f0ff;
      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --border-line: rgba(255, 255, 255, 0.12);
      --border-glow: rgba(255, 42, 95, 0.25);
      --border-cyan-glow: rgba(0, 240, 255, 0.3);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 12px 30px rgba(255, 42, 95, 0.25);
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-deep);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    
    /* 顶部刊头杂志导航体系 */
    .masthead-header {
      background: rgba(12, 13, 18, 0.96);
      border-bottom: 1px solid var(--border-line);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(12px);
    }
    .masthead-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .masthead-meta-left {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .pulse-indicator {
      width: 8px;
      height: 8px;
      background: var(--accent-cyan);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-cyan);
      display: inline-block;
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }
    .masthead-brand {
      font-size: 26px;
      font-weight: 900;
      letter-spacing: -0.5px;
      color: var(--text-primary);
      text-shadow: 0 0 15px rgba(255, 42, 95, 0.35);
    }
    .masthead-brand span {
      color: var(--accent-main);
    }
    .masthead-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .badge-live {
      background: rgba(255, 42, 95, 0.15);
      border: 1px solid var(--accent-main);
      color: var(--accent-main);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    .masthead-nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
    }
    .nav-capsules {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      white-space: nowrap;
      padding-bottom: 2px;
    }
    .nav-capsule-item {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      padding: 6px 18px;
      border-radius: 20px;
      border: 1px solid transparent;
      background: rgba(255, 255, 255, 0.03);
      transition: var(--transition-smooth);
    }
    .nav-capsule-item:hover {
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
    }
    .nav-capsule-item.active {
      color: #fff;
      background: var(--accent-main);
      border-color: var(--accent-main);
      box-shadow: 0 2px 10px rgba(255, 42, 95, 0.4);
    }
    .nav-stream-status {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .status-dot {
      width: 6px;
      height: 6px;
      background-color: #10b981;
      border-radius: 50%;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      padding: 11px 24px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-smooth);
      border: 1px solid transparent;
      outline: none;
      gap: 8px;
    }
    .btn-primary {
      background: var(--accent-main);
      color: #fff;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.35);
    }
    .btn-primary:hover {
      background: var(--accent-main-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.18);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.35);
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent;
      color: var(--accent-cyan);
      border: 1px solid rgba(0, 240, 255, 0.3);
    }
    .btn-ghost:hover {
      background: rgba(0, 240, 255, 0.1);
      border-color: var(--accent-cyan);
    }

    /* 统一板块 */
    section {
      padding: 65px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-secondary);
    }
    .section-header {
      margin-bottom: 35px;
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      color: var(--accent-cyan);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1.5px;
      margin-bottom: 8px;
      background: rgba(0, 240, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      border-left: 2px solid var(--accent-cyan);
    }
    .section-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.5px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 14px;
      color: var(--text-secondary);
      margin-top: 8px;
      max-width: 820px;
      line-height: 1.7;
    }

    /* 板块一：频道分类刊头与 H1 标题区 */
    .channel-masthead-banner {
      padding: 45px 0 35px;
      background: linear-gradient(180deg, rgba(20, 22, 31, 0.95) 0%, rgba(12, 13, 18, 0.9) 100%);
      border-bottom: 1px solid var(--border-line);
    }
    .channel-banner-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 30px;
      align-items: center;
    }
    .channel-category-label {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-main);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .channel-h1 {
      font-size: 32px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-primary);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .channel-subtitle {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 780px;
      line-height: 1.7;
    }
    .channel-metrics-box {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 16px 24px;
      display: flex;
      gap: 28px;
      box-shadow: var(--shadow-card);
    }
    .metric-unit {
      text-align: right;
    }
    .metric-value {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent-cyan);
      font-family: monospace, sans-serif;
    }
    .metric-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* 板块二：流媒体过滤与排序控制条 */
    .filter-bar-section {
      padding: 24px 0;
      background: rgba(16, 18, 26, 0.7);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .filter-bar-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    .filter-tags-group {
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      white-space: nowrap;
    }
    .filter-btn {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: var(--text-secondary);
      font-size: 13px;
      padding: 7px 16px;
      border-radius: 30px;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-btn:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--text-primary);
    }
    .filter-btn.active {
      background: rgba(255, 42, 95, 0.15);
      border-color: var(--accent-main);
      color: #fff;
    }
    .sort-control-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sort-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .sort-select {
      background: #191b26;
      border: 1px solid var(--border-line);
      color: var(--text-primary);
      padding: 7px 14px;
      font-size: 13px;
      border-radius: var(--radius-sm);
      outline: none;
      cursor: pointer;
    }

    /* 板块三：核心内容卡片网格 */
    .audio-stream-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .stream-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
      position: relative;
    }
    .stream-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
    }
    .card-thumb-container {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #10121a;
      overflow: hidden;
    }
    .card-thumb-canvas {
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #1b1e2e 0%, #0d0f17 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .waveform-visualizer {
      display: flex;
      align-items: center;
      gap: 4px;
      height: 36px;
      opacity: 0.8;
    }
    .waveform-visualizer span {
      width: 3px;
      background: var(--accent-cyan);
      border-radius: 2px;
      animation: waveMove 1.4s ease-in-out infinite alternate;
    }
    .waveform-visualizer span:nth-child(1) { height: 14px; animation-delay: 0.1s; }
    .waveform-visualizer span:nth-child(2) { height: 28px; animation-delay: 0.3s; }
    .waveform-visualizer span:nth-child(3) { height: 36px; animation-delay: 0.5s; background: var(--accent-main); }
    .waveform-visualizer span:nth-child(4) { height: 22px; animation-delay: 0.2s; }
    .waveform-visualizer span:nth-child(5) { height: 32px; animation-delay: 0.4s; }
    .waveform-visualizer span:nth-child(6) { height: 16px; animation-delay: 0.6s; }
    @keyframes waveMove {
      0% { transform: scaleY(0.4); }
      100% { transform: scaleY(1.1); }
    }
    .card-badge-top {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(0, 0, 0, 0.65);
      backdrop-filter: blur(4px);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 11px;
      color: var(--accent-cyan);
      border: 1px solid rgba(0, 240, 255, 0.3);
      font-weight: 700;
    }
    .card-duration-badge {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.75);
      padding: 3px 7px;
      border-radius: 4px;
      font-size: 11px;
      color: #fff;
      font-family: monospace;
    }
    .card-content-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-stream-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .card-stream-summary {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .card-stream-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 12px;
      color: var(--text-muted);
    }
    .card-param-spec {
      color: var(--accent-cyan);
      font-weight: 600;
    }

    /* 板块四：单一下级流「查看更多/分页加载」控制区 */
    .load-more-section {
      padding: 20px 0 50px;
      text-align: center;
    }
    .load-more-btn {
      padding: 12px 36px;
      border-radius: 30px;
      font-size: 14px;
      letter-spacing: 0.5px;
    }

    /* 板块五：精选编辑推荐 */
    .curator-picks-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 26px;
    }
    .curator-card {
      background: linear-gradient(145deg, rgba(26, 29, 41, 0.9) 0%, rgba(18, 20, 29, 0.9) 100%);
      border: 1px solid rgba(255, 42, 95, 0.2);
      border-radius: var(--radius-lg);
      padding: 28px;
      position: relative;
      overflow: hidden;
    }
    .curator-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--accent-main);
    }
    .curator-badge-row {
      display: flex;
      gap: 10px;
      align-items: center;
      margin-bottom: 14px;
    }
    .curator-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--accent-main);
      background: rgba(255, 42, 95, 0.12);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(255, 42, 95, 0.3);
    }
    .curator-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .curator-desc {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .curator-spec-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
    }
    .spec-pill {
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 板块六：主题知识点图解与声学解构 */
    .acoustic-feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .feature-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
    }
    .feature-step-num {
      font-size: 28px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.08);
      position: absolute;
      top: 18px;
      right: 20px;
      line-height: 1;
    }
    .feature-step-icon {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-cyan);
      font-weight: 800;
      margin-bottom: 18px;
    }
    .feature-step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
    }
    .feature-step-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 板块七：分类专题专属常见问题 */
    .category-faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .faq-item-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      line-height: 1.4;
    }
    .faq-q::before {
      content: "Q";
      color: var(--accent-cyan);
      font-weight: 900;
      font-size: 16px;
      flex-shrink: 0;
    }
    .faq-a {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      padding-left: 22px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .audio-stream-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .curator-picks-grid {
        grid-template-columns: 1fr;
      }
      .acoustic-feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .masthead-top {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
      }
      .masthead-actions {
        width: 100%;
        justify-content: space-between;
      }
      .channel-banner-grid {
        grid-template-columns: 1fr;
      }
      .channel-metrics-box {
        justify-content: flex-start;
      }
      .audio-stream-grid {
        grid-template-columns: 1fr;
      }
      .acoustic-feature-grid {
        grid-template-columns: 1fr;
      }
      .category-faq-grid {
        grid-template-columns: 1fr;
      }
      .channel-h1 {
        font-size: 24px;
      }
    }

    /* 站点通用页脚样式对齐 */
    .site-footer {
      background-color: #07080b;
      border-top: 1px solid var(--border-line);
      padding: 60px 0 25px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 45px;
    }
    @media (max-width: 900px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }
    }
    @media (max-width: 580px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }
    .footer-brand {
      font-size: 22px;
      font-weight: 900;
      color: var(--text-primary);
      margin-bottom: 14px;
    }
    .footer-brand span {
      color: var(--accent-main);
    }
    .footer-about-text {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-links-list a:hover {
      color: var(--accent-cyan);
      padding-left: 3px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 12px;
      color: var(--text-muted);
    }

/* roulang page: category1 */
:root {
      --bg-deep: #0c0d12;
      --bg-secondary: #14161f;
      --bg-card: rgba(26, 29, 41, 0.85);
      --bg-card-hover: rgba(36, 40, 56, 0.95);
      --accent-main: #ff2a5f;
      --accent-main-hover: #e01b4c;
      --accent-cyan: #00f0ff;
      --text-primary: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --border-line: rgba(255, 255, 255, 0.12);
      --border-glow: rgba(255, 42, 95, 0.25);
      --border-cyan-glow: rgba(0, 240, 255, 0.3);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 12px 30px rgba(255, 42, 95, 0.25);
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-deep);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 顶部刊头杂志导航体系 */
    .masthead-header {
      background: rgba(12, 13, 18, 0.95);
      border-bottom: 1px solid var(--border-line);
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(12px);
    }
    .masthead-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .masthead-meta-left {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .pulse-indicator {
      width: 8px;
      height: 8px;
      background: var(--accent-main);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-main);
      display: inline-block;
    }
    .masthead-brand {
      font-size: 24px;
      font-weight: 900;
      letter-spacing: -0.5px;
      color: var(--text-primary);
      text-shadow: 0 0 15px rgba(255, 42, 95, 0.35);
    }
    .masthead-brand span {
      color: var(--accent-main);
    }
    .masthead-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .badge-live {
      background: rgba(255, 42, 95, 0.15);
      border: 1px solid var(--accent-main);
      color: var(--accent-main);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    .masthead-nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
    }
    .nav-capsules {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      white-space: nowrap;
      padding-bottom: 2px;
    }
    .nav-capsule-item {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      padding: 6px 18px;
      border-radius: 20px;
      border: 1px solid transparent;
      background: rgba(255, 255, 255, 0.03);
      transition: var(--transition-smooth);
    }
    .nav-capsule-item:hover {
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.08);
    }
    .nav-capsule-item.active {
      color: #fff;
      background: var(--accent-main);
      border-color: var(--accent-main);
      box-shadow: 0 2px 10px rgba(255, 42, 95, 0.4);
    }
    .nav-stream-status {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .status-dot {
      width: 7px;
      height: 7px;
      background: var(--accent-cyan);
      border-radius: 50%;
    }
    /* 统一按钮与卡片体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      padding: 11px 24px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-smooth);
      border: 1px solid transparent;
      outline: none;
      gap: 8px;
    }
    .btn-primary {
      background: var(--accent-main);
      color: #fff;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.35);
    }
    .btn-primary:hover {
      background: var(--accent-main-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-primary);
      border-color: rgba(255, 255, 255, 0.18);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.35);
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: transparent;
      color: var(--accent-cyan);
      border: 1px solid rgba(0, 240, 255, 0.3);
    }
    .btn-ghost:hover {
      background: rgba(0, 240, 255, 0.1);
      border-color: var(--accent-cyan);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
    }
    section {
      padding: 60px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-secondary);
    }
    .section-header {
      margin-bottom: 40px;
    }
    .section-tag {
      display: inline-block;
      color: var(--accent-cyan);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 8px;
      background: rgba(0, 240, 255, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      border-left: 2px solid var(--accent-cyan);
    }
    .section-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.5px;
      line-height: 1.35;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-secondary);
      margin-top: 8px;
      max-width: 820px;
      line-height: 1.7;
    }
    /* 分类页 1 专属紧凑刊头 Banner */
    .channel-masthead-banner {
      padding: 45px 0 35px;
      background: radial-gradient(circle at 80% 20%, rgba(255, 42, 95, 0.12), transparent 50%),
                  radial-gradient(circle at 10% 80%, rgba(0, 240, 255, 0.08), transparent 40%),
                  var(--bg-secondary);
      border-bottom: 1px solid var(--border-line);
    }
    .channel-banner-grid {
      display: grid;
      grid-template-columns: 1.8fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .channel-h1-wrap h1 {
      font-size: 32px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 12px;
      color: #fff;
    }
    .channel-h1-wrap h1 span {
      color: var(--accent-main);
    }
    .channel-banner-stats {
      display: flex;
      gap: 18px;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      padding: 18px 24px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
    }
    .c-stat-item {
      flex: 1;
      border-right: 1px solid rgba(255, 255, 255, 0.08);
      padding-right: 12px;
    }
    .c-stat-item:last-child {
      border-right: none;
      padding-right: 0;
    }
    .c-stat-val {
      font-size: 22px;
      font-weight: 800;
      color: var(--accent-cyan);
      font-family: monospace;
    }
    .c-stat-label {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
    }
    /* 板块二：流媒体过滤与交互控制条 */
    .filter-dock-bar {
      padding: 24px 0;
      background: rgba(12, 13, 18, 0.7);
      border-bottom: 1px solid var(--border-line);
    }
    .dock-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    .filter-pills-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-pill {
      font-size: 13px;
      padding: 6px 14px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-secondary);
      border: 1px solid var(--border-line);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-pill.active, .filter-pill:hover {
      background: rgba(255, 42, 95, 0.15);
      border-color: var(--accent-main);
      color: #fff;
    }
    .sort-control-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sort-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    .sort-select {
      background: var(--bg-card);
      color: var(--text-primary);
      border: 1px solid var(--border-line);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      outline: none;
    }
    /* 板块三：核心内容卡片网格 */
    .stream-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .stream-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .stream-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      background: var(--bg-card-hover);
    }
    .stream-thumb-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      position: relative;
      background: #181b26;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .stream-mock-visual {
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, rgba(255, 42, 95, 0.18) 0%, rgba(0, 240, 255, 0.12) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .stream-waves {
      display: flex;
      align-items: flex-end;
      gap: 3px;
      height: 28px;
    }
    .wave-bar {
      width: 3px;
      background: var(--accent-cyan);
      border-radius: 2px;
      opacity: 0.8;
    }
    .thumb-tag-top {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #fff;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .thumb-duration {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.85);
      color: var(--accent-cyan);
      font-size: 11px;
      padding: 2px 6px;
      border-radius: 4px;
      font-family: monospace;
    }
    .stream-card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .stream-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .stream-card-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .stream-card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 12px;
    }
    .meta-metrics {
      display: flex;
      gap: 12px;
    }
    .metric-dot {
      color: var(--accent-cyan);
    }
    /* 板块四：下级流查看更多 */
    .load-more-section {
      padding: 20px 0 50px;
      text-align: center;
    }
    /* 板块五：精选编辑推荐 */
    .featured-stream-panel {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 32px;
      background: linear-gradient(145deg, rgba(26, 29, 41, 0.95), rgba(20, 22, 31, 0.95));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-card);
      align-items: center;
    }
    .featured-preview-frame {
      aspect-ratio: 16 / 9;
      background: #0f1118;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .featured-preview-glow {
      position: absolute;
      width: 120px;
      height: 120px;
      background: radial-gradient(circle, rgba(255, 42, 95, 0.4), transparent 70%);
    }
    .play-symbol-circle {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: var(--accent-main);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      box-shadow: 0 0 20px rgba(255, 42, 95, 0.5);
      z-index: 2;
    }
    .play-arrow {
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 14px solid #fff;
      margin-left: 3px;
    }
    .featured-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 42, 95, 0.18);
      color: var(--accent-main);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
      border: 1px solid rgba(255, 42, 95, 0.3);
    }
    .featured-title {
      font-size: 24px;
      font-weight: 800;
      color: #fff;
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .featured-desc {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .featured-spec-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .spec-item {
      font-size: 13px;
      color: var(--text-muted);
    }
    .spec-item strong {
      color: var(--accent-cyan);
      margin-right: 4px;
    }
    /* 板块六：主题知识点图解与场景拓展 */
    .infographic-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .info-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 28px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .info-step-card:hover {
      border-color: var(--border-cyan-glow);
      transform: translateY(-3px);
    }
    .step-badge {
      font-size: 24px;
      font-weight: 900;
      color: var(--accent-cyan);
      opacity: 0.85;
      margin-bottom: 14px;
      font-family: monospace;
    }
    .step-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 10px;
    }
    .step-text {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
    }
    /* 板块七：专属常见问答网格 */
    .faq-compact-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .faq-q-mark {
      color: var(--accent-main);
      font-weight: 900;
    }
    .faq-a {
      font-size: 13.5px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    /* 页脚 */
    .site-footer {
      background-color: #07080b;
      border-top: 1px solid var(--border-line);
      padding: 60px 0 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      color: var(--text-primary);
      margin-bottom: 14px;
    }
    .footer-brand span {
      color: var(--accent-main);
    }
    .footer-about-text {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-heading {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 10px;
    }
    .footer-links-list a {
      font-size: 13px;
      color: var(--text-muted);
      transition: var(--transition-smooth);
    }
    .footer-links-list a:hover {
      color: var(--accent-cyan);
      padding-left: 4px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      font-size: 12px;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .channel-banner-grid {
        grid-template-columns: 1fr;
      }
      .stream-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .featured-stream-panel {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .masthead-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .masthead-actions {
        width: 100%;
        justify-content: space-between;
      }
      .stream-grid {
        grid-template-columns: 1fr;
      }
      .infographic-grid {
        grid-template-columns: 1fr;
      }
      .faq-compact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .channel-banner-stats {
        flex-direction: column;
        gap: 12px;
      }
      .c-stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: 8px;
      }
      .c-stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .dock-container {
        flex-direction: column;
        align-items: flex-start;
      }
      .sort-control-wrap {
        width: 100%;
        justify-content: space-between;
      }
    }