/* roulang page: index */
:root {
      --bg-main: #0D0F12;
      --bg-card: #161922;
      --bg-card-hover: #1D212D;
      --bg-card-light: #212534;
      --primary: #E02475;
      --primary-hover: #F43F5E;
      --accent-green: #10B981;
      --accent-yellow: #F59E0B;
      --accent-cyan: #06B6D4;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-light: rgba(255, 255, 255, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 25px rgba(224, 36, 117, 0.45);
    }

    /* 基础重置 */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--primary-hover);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Landing 极简顶栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(13, 15, 18, 0.85);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .brand-logo i {
      color: var(--primary);
      font-size: 1.5rem;
      filter: drop-shadow(0 0 8px rgba(224, 36, 117, 0.6));
    }
    .header-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #fff !important;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(224, 36, 117, 0.35);
      transition: all 0.3s ease;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .header-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    /* 板块统一间距 */
    .section-spacing {
      padding: 85px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .section-spacing-alt {
      background-color: #101217;
    }
    .section-head {
      margin-bottom: 45px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(224, 36, 117, 0.12);
      color: var(--primary-hover);
      border: 1px solid rgba(224, 36, 117, 0.25);
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 780px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* 按钮规范 */
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 34px;
      border-radius: 50px;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #fff !important;
      font-size: 1.05rem;
      font-weight: 600;
      box-shadow: var(--shadow-glow);
      transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 0 35px rgba(224, 36, 117, 0.7);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: 50px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-light);
      color: var(--text-main) !important;
      font-size: 0.98rem;
      font-weight: 600;
      transition: all 0.3s ease;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      transform: translateY(-2px);
    }

    /* 卡片基础系统 */
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-card);
      height: 100%;
      position: relative;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(224, 36, 117, 0.4);
      background: var(--bg-card-hover);
    }

    /* 板块 1: Hero Metric (短问卷与指标看板) */
    .hero-metric-section {
      padding: 70px 0 85px;
      background: radial-gradient(circle at 50% 20%, rgba(224, 36, 117, 0.15) 0%, rgba(13, 15, 18, 0) 70%), var(--bg-main);
    }
    .hero-h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, #fff 40%, var(--primary-hover) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.85;
      margin-bottom: 30px;
      max-width: 820px;
    }
    /* 诊断选型短交互盒 */
    .hero-quiz-box {
      background: rgba(22, 25, 34, 0.85);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-card);
    }
    .quiz-title {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--accent-cyan);
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .quiz-options {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }
    .quiz-chip {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .quiz-chip.active, .quiz-chip:hover {
      background: rgba(224, 36, 117, 0.2);
      border-color: var(--primary);
      color: #fff;
    }
    .quiz-result-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 15px;
      padding-top: 15px;
      border-top: 1px dashed var(--border-color);
    }
    .quiz-status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--accent-green);
    }
    .status-dot {
      width: 10px;
      height: 10px;
      background: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-green);
      animation: pulseDot 2s infinite;
    }
    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    /* 4项指标看板 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 40px;
    }
    .metric-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      position: relative;
    }
    .metric-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: #fff;
      line-height: 1.1;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }
    .metric-num span {
      font-size: 1.1rem;
      color: var(--primary);
      margin-left: 2px;
    }
    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 板块 2: 服务矩阵 (Short-drama status tag) */
    .card-top-tag {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(16, 185, 129, 0.15);
      border: 1px solid rgba(16, 185, 129, 0.35);
      color: var(--accent-green);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 12px;
    }
    .card-icon-wrap {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: rgba(224, 36, 117, 0.12);
      border: 1px solid rgba(224, 36, 117, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }
    .card-body-text {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .progress-bar-wrap {
      margin-top: auto;
    }
    .progress-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .progress-line {
      width: 100%;
      height: 4px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 2px;
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--primary-hover));
      border-radius: 2px;
    }

    /* 板块 3: 播放性能与画质结果对比 */
    .compare-container {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
    }
    .compare-side {
      padding: 40px;
    }
    .compare-side.bad {
      background: rgba(255, 255, 255, 0.01);
      border-right: 1px solid var(--border-color);
    }
    .compare-side.good {
      background: linear-gradient(180deg, rgba(224, 36, 117, 0.05) 0%, rgba(22, 25, 34, 0.8) 100%);
    }
    .compare-badge {
      display: inline-block;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .badge-bad {
      background: rgba(239, 68, 68, 0.15);
      color: #ef4444;
      border: 1px solid rgba(239, 68, 68, 0.3);
    }
    .badge-good {
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent-green);
      border: 1px solid rgba(16, 185, 129, 0.3);
    }
    .compare-list {
      list-style: none;
      margin-top: 24px;
    }
    .compare-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.6;
    }
    .compare-list li i {
      margin-top: 3px;
      font-size: 1rem;
    }
    .compare-list.bad li i { color: #ef4444; }
    .compare-list.good li i { color: var(--accent-green); }

    /* 板块 4: 更新历程与里程碑时间轴 */
    .timeline-wrap {
      position: relative;
      padding: 20px 0;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 24px;
      width: 2px;
      background: linear-gradient(180deg, var(--primary) 0%, rgba(255, 255, 255, 0.05) 100%);
    }
    .timeline-node {
      position: relative;
      padding-left: 65px;
      margin-bottom: 35px;
    }
    .timeline-dot {
      position: absolute;
      left: 17px;
      top: 4px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid var(--bg-main);
      box-shadow: 0 0 10px var(--primary);
    }
    .timeline-date {
      font-size: 0.85rem;
      color: var(--accent-yellow);
      font-weight: 700;
      margin-bottom: 4px;
    }
    .timeline-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
    }
    .timeline-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 5: 资讯列表 */
    .news-card {
      display: flex;
      gap: 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: all 0.3s;
      height: 100%;
    }
    .news-card:hover {
      border-color: rgba(224, 36, 117, 0.4);
      transform: translateY(-3px);
    }
    .news-thumb-box {
      width: 110px;
      height: 90px;
      border-radius: var(--radius-sm);
      background: #252a3a;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.6rem;
      position: relative;
      overflow: hidden;
    }
    .news-thumb-tag {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(0, 0, 0, 0.6);
      font-size: 0.65rem;
      color: #fff;
      text-align: center;
      padding: 2px 0;
    }
    .news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .news-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      line-height: 1.4;
      margin-bottom: 6px;
    }
    .news-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* 板块 6: 专题栏目直达入口 (Category Gate - 少数合规链接通道) */
    .gate-banner {
      background: linear-gradient(135deg, #241427 0%, #151824 100%);
      border: 1px solid rgba(224, 36, 117, 0.3);
      border-radius: var(--radius-lg);
      padding: 45px;
      position: relative;
      overflow: hidden;
    }
    .gate-banner::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(224, 36, 117, 0.2) 0%, transparent 70%);
      pointer-events: none;
    }
    .gate-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 20px 0 25px;
    }
    .gate-badge {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--border-light);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      color: #e5e7eb;
    }

    /* 板块 7: 实时节点热度拓扑 */
    .node-status-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: all 0.25s;
    }
    .node-status-card:hover {
      border-color: rgba(16, 185, 129, 0.4);
      background: var(--bg-card-hover);
    }
    .node-info {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .node-icon-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: rgba(16, 185, 129, 0.12);
      color: var(--accent-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }
    .node-title-group h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 2px;
    }
    .node-title-group p {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 0;
    }
    .node-metrics {
      display: flex;
      align-items: center;
      gap: 20px;
      text-align: right;
    }
    .node-ping {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--accent-green);
    }
    .node-load {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 板块 8: 安全保障体系 */
    .security-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      height: 100%;
      position: relative;
    }
    .security-item i {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 18px;
      display: inline-block;
    }
    .security-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }
    .security-item p {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 板块 9: 极速上手与多端适配 */
    .step-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 14px;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
    }
    .step-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .step-card p {
      color: var(--text-muted);
      font-size: 0.85rem;
      line-height: 1.65;
      margin-bottom: 0;
    }

    /* 板块 10: 快速解决方案网格 */
    .solution-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      height: 100%;
    }
    .solution-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .solution-card h3 i {
      color: var(--accent-cyan);
      font-size: 1rem;
    }
    .solution-card p {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.75;
      margin-bottom: 0;
    }

    /* 板块 11: 手风琴 FAQ */
    .accordion-item {
      background: var(--bg-card) !important;
      border: 1px solid var(--border-color) !important;
      border-radius: var(--radius-sm) !important;
      margin-bottom: 12px !important;
      overflow: hidden;
    }
    .accordion-title {
      background: transparent !important;
      color: #fff !important;
      font-size: 1rem !important;
      font-weight: 600 !important;
      padding: 18px 24px !important;
      border: none !important;
    }
    .accordion-title:hover {
      background: rgba(255, 255, 255, 0.03) !important;
      color: var(--primary-hover) !important;
    }
    .accordion-content {
      background: rgba(13, 15, 18, 0.6) !important;
      border-top: 1px solid var(--border-color) !important;
      color: var(--text-muted) !important;
      font-size: 0.9rem !important;
      line-height: 1.8 !important;
      padding: 20px 24px !important;
    }

    /* 板块 12: 转化与测速提交表单 */
    .action-panel-card {
      background: linear-gradient(135deg, #1f1827 0%, #151922 100%);
      border: 1px solid rgba(224, 36, 117, 0.35);
      border-radius: var(--radius-lg);
      padding: 45px 35px;
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    }
    .form-input-group {
      margin-bottom: 18px;
    }
    .form-input-group label {
      display: block;
      color: var(--text-main);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .form-input-group select,
    .form-input-group input,
    .form-input-group textarea {
      width: 100%;
      background: rgba(0, 0, 0, 0.35);
      border: 1px solid var(--border-light);
      border-radius: 8px;
      color: #fff;
      padding: 12px 16px;
      font-size: 0.92rem;
      outline: none;
      transition: border 0.25s;
    }
    .form-input-group select:focus,
    .form-input-group input:focus,
    .form-input-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 10px rgba(224, 36, 117, 0.3);
    }

    /* 页脚 */
    .site-footer {
      background: #090B0E;
      border-top: 1px solid var(--border-color);
      padding: 55px 0 35px;
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-brand {
      font-size: 1.25rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand i {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      margin-top: 35px;
      padding-top: 25px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.82rem;
    }

    /* 响应式微调 */
    @media screen and (max-width: 1024px) {
      .metric-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media screen and (max-width: 768px) {
      .hero-h1 { font-size: 2.1rem; }
      .section-spacing { padding: 50px 0; }
      .compare-side.bad { border-right: none; border-bottom: 1px solid var(--border-color); }
      .gate-banner { padding: 25px; }
      .node-status-card { flex-direction: column; align-items: flex-start; gap: 14px; }
      .node-metrics { text-align: left; }
      .action-panel-card { padding: 25px 20px; }
    }
    @media screen and (max-width: 520px) {
      .metric-grid { grid-template-columns: 1fr; }
      .hero-h1 { font-size: 1.8rem; }
      .news-card { flex-direction: column; }
      .news-thumb-box { width: 100%; height: 120px; }
    }

/* roulang page: category1 */
:root {
      --bg-main: #0D0F12;
      --bg-card: #161922;
      --bg-card-hover: #1D212D;
      --bg-card-light: #212534;
      --primary: #E02475;
      --primary-hover: #F43F5E;
      --accent-green: #10B981;
      --accent-yellow: #F59E0B;
      --accent-cyan: #06B6D4;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-light: rgba(255, 255, 255, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 25px rgba(224, 36, 117, 0.45);
    }

    * {
      box-sizing: border-box;
    }

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }

    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: var(--primary-hover);
    }

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

    /* Landing 极简顶栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(13, 15, 18, 0.85);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.5px;
    }

    .brand-logo i {
      color: var(--primary);
      font-size: 1.5rem;
      filter: drop-shadow(0 0 8px rgba(224, 36, 117, 0.6));
    }

    .header-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #fff !important;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(224, 36, 117, 0.35);
      transition: all 0.3s ease;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .header-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    /* 板块通用间距 */
    .section-spacing {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .section-spacing-alt {
      background-color: #11141A;
    }

    .section-head {
      margin-bottom: 35px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(224, 36, 117, 0.12);
      color: var(--primary-hover);
      border: 1px solid rgba(224, 36, 117, 0.25);
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 1.75rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
      line-height: 1.35;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      max-width: 780px;
      line-height: 1.75;
      margin-bottom: 0;
    }

    /* 分类首屏与筛选器 */
    .category-filter-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      box-shadow: var(--shadow-card);
      margin-top: 25px;
    }

    .filter-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .filter-group:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .filter-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      min-width: 80px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .filter-pill {
      font-size: 0.85rem;
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .filter-pill:hover {
      border-color: var(--primary);
      color: #fff;
    }

    .filter-pill.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 0 12px rgba(224, 36, 117, 0.4);
    }

    /* 资源网格与卡片 */
    .stream-catalog-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 24px;
      position: relative;
    }

    .stream-catalog-card:hover {
      transform: translateY(-5px);
      border-color: rgba(224, 36, 117, 0.45);
      box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
    }

    .card-thumb-wrap {
      position: relative;
      height: 160px;
      background: linear-gradient(135deg, #1d212d, #0d0f12);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .card-thumb-wrap i.cover-icon {
      font-size: 3rem;
      color: rgba(255, 255, 255, 0.1);
      transition: all 0.3s ease;
    }

    .stream-catalog-card:hover .card-thumb-wrap i.cover-icon {
      transform: scale(1.15);
      color: rgba(224, 36, 117, 0.25);
    }

    .badge-status {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(13, 15, 18, 0.8);
      backdrop-filter: blur(6px);
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--accent-green);
      padding: 2px 10px;
      border-radius: 20px;
      border: 1px solid rgba(16, 185, 129, 0.3);
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .badge-resolution {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(224, 36, 117, 0.85);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }

    .card-meta-bar {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(13, 15, 18, 0.95), transparent);
      padding: 6px 12px;
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .card-body-content {
      padding: 16px 18px 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .card-stream-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 12px;
    }

    .card-tag-pill {
      font-size: 0.72rem;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      padding: 1px 8px;
      border-radius: 4px;
    }

    .stream-progress-box {
      margin-bottom: 15px;
    }

    .progress-info {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .progress-bar-bg {
      height: 4px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 2px;
      overflow: hidden;
    }

    .progress-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--accent-cyan), var(--primary));
      border-radius: 2px;
    }

    .card-action-bar {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .btn-card-play {
      flex-grow: 1;
      text-align: center;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-light);
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .btn-card-play:hover {
      background: var(--primary);
      border-color: var(--primary);
      box-shadow: 0 0 15px rgba(224, 36, 117, 0.4);
      color: #fff;
    }

    /* 分页控制器 */
    .pagination-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 30px;
    }

    .page-item {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 14px;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      font-size: 0.9rem;
      font-weight: 600;
      transition: all 0.2s ease;
    }

    .page-item:hover {
      border-color: var(--primary);
      color: #fff;
      background: var(--bg-card-hover);
    }

    .page-item.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 0 15px rgba(224, 36, 117, 0.4);
    }

    /* 排行榜单样式 */
    .rank-column-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      height: 100%;
    }

    .rank-col-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-color);
    }

    .rank-list-items {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

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

    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      font-weight: 700;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-muted);
    }

    .rank-num.top-1 {
      background: var(--primary);
      color: #fff;
    }

    .rank-num.top-2 {
      background: var(--accent-yellow);
      color: #000;
    }

    .rank-num.top-3 {
      background: var(--accent-cyan);
      color: #000;
    }

    .rank-name {
      flex-grow: 1;
      font-size: 0.88rem;
      color: var(--text-main);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-heat {
      font-size: 0.78rem;
      color: var(--accent-green);
      font-weight: 600;
    }

    /* 保障卡片横幅 */
    .guarantee-banner {
      background: linear-gradient(135deg, rgba(22, 25, 34, 0.95), rgba(33, 37, 52, 0.95));
      border: 1px solid rgba(224, 36, 117, 0.3);
      border-radius: var(--radius-lg);
      padding: 35px;
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .guarantee-grid-box {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-top: 15px;
    }

    .guarantee-icon {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: rgba(224, 36, 117, 0.15);
      border: 1px solid rgba(224, 36, 117, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--primary);
      flex-shrink: 0;
    }

    /* FAQ 卡片 */
    .faq-block-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 20px;
    }

    .faq-block-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-block-card h3 i {
      color: var(--accent-cyan);
    }

    .faq-block-card p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.75;
      margin: 0;
    }

    /* 求片与求助表单区 */
    .request-form-card {
      background: radial-gradient(circle at 80% 20%, rgba(224, 36, 117, 0.12), transparent 70%), var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 35px 30px;
      box-shadow: var(--shadow-card);
    }

    .custom-input {
      background: rgba(13, 15, 18, 0.7);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 12px 16px;
      color: #fff;
      font-size: 0.92rem;
      width: 100%;
      outline: none;
      transition: border-color 0.2s ease;
      margin-bottom: 16px;
    }

    .custom-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 10px rgba(224, 36, 117, 0.3);
    }

    .btn-submit-action {
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      color: #fff;
      font-size: 0.95rem;
      font-weight: 600;
      border: none;
      border-radius: 8px;
      padding: 12px 28px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.3s ease;
    }

    .btn-submit-action:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    /* 页脚对齐 */
    .site-footer {
      background: #090B0E;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand i {
      color: var(--primary);
    }

    .footer-bottom {
      margin-top: 40px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.82rem;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 15px;
    }

    @media (max-width: 768px) {
      .section-spacing {
        padding: 45px 0;
      }
      .category-filter-panel {
        padding: 16px;
      }
      .filter-group {
        gap: 6px;
      }
      .filter-pill {
        font-size: 0.78rem;
        padding: 3px 10px;
      }
      .card-thumb-wrap {
        height: 130px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }