/* roulang page: index */
:root {
      --bg-main: #0B0C0E;
      --bg-layer: #14161A;
      --bg-card: #1C1F26;
      --accent-gold: #F5A623;
      --highlight-red: #FF3B30;
      --text-pure: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-subtle: #262B35;
      --border-hover: #3E4554;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 0 20px rgba(245, 166, 35, 0.25);
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-pure);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .site-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 极简高端文字导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(11, 12, 14, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(38, 43, 53, 0.6);
    }

    .nav-link {
      position: relative;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 500;
      transition: color 0.25s ease;
      padding: 6px 2px;
    }

    .nav-link:hover {
      color: var(--text-pure);
    }

    .nav-link.active {
      color: var(--accent-gold);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent-gold);
      border-radius: 2px;
    }

    /* 按钮组件 */
    .btn-gold {
      background: linear-gradient(135deg, #F5A623 0%, #D48806 100%);
      color: #0B0C0E;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      box-shadow: 0 4px 12px rgba(245, 166, 35, 0.2);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn-gold:hover {
      box-shadow: 0 0 20px rgba(245, 166, 35, 0.45);
      transform: translateY(-1px);
    }

    .btn-outline {
      border: 1px solid var(--border-subtle);
      background: transparent;
      color: var(--text-pure);
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

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

    /* 卡片与基底 */
    .stream-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: border-color 0.25s ease, transform 0.25s ease;
    }

    .stream-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }

    .badge-pill {
      background: rgba(245, 166, 35, 0.12);
      color: var(--accent-gold);
      border: 1px solid rgba(245, 166, 35, 0.25);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.5px;
      padding: 3px 10px;
    }

    .badge-red {
      background: rgba(255, 59, 48, 0.15);
      color: var(--highlight-red);
      border: 1px solid rgba(255, 59, 48, 0.3);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }

    /* 交互式折叠 FAQ */
    .faq-toggle summary::-webkit-details-marker {
      display: none;
    }
    .faq-toggle summary {
      list-style: none;
    }

    /* 时间线与对比样式 */
    .timeline-bar {
      border-left: 2px dashed rgba(245, 166, 35, 0.4);
    }

    /* 自定义表单聚焦 */
    .custom-input {
      background-color: #121418;
      border: 1px solid var(--border-subtle);
      color: #fff;
      transition: border-color 0.2s ease;
    }
    .custom-input:focus {
      border-color: var(--accent-gold);
      outline: none;
    }

/* roulang page: category2 */
:root {
      --bg-main: #0B0C0E;
      --bg-layer: #14161A;
      --bg-card: #1C1F26;
      --accent-gold: #F5A623;
      --highlight-red: #FF3B30;
      --text-pure: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-subtle: #262B35;
      --border-hover: #3E4554;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 0 20px rgba(245, 166, 35, 0.25);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-pure);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .site-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(11, 12, 14, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(38, 43, 53, 0.6);
    }
    .nav-link {
      position: relative;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 500;
      transition: color 0.25s ease;
      padding: 6px 2px;
    }
    .nav-link:hover {
      color: var(--text-pure);
    }
    .nav-link.active {
      color: var(--accent-gold);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent-gold);
      border-radius: 2px;
    }
    .btn-gold {
      background: linear-gradient(135deg, #F5A623 0%, #D48806 100%);
      color: #0B0C0E;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      box-shadow: 0 4px 12px rgba(245, 166, 35, 0.2);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-gold:hover {
      box-shadow: 0 0 20px rgba(245, 166, 35, 0.45);
      transform: translateY(-1px);
    }
    .btn-outline {
      border: 1px solid var(--border-subtle);
      background: transparent;
      color: var(--text-pure);
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-outline:hover {
      border-color: var(--border-hover);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .stream-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: border-color 0.25s ease, transform 0.25s ease;
    }
    .stream-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }
    .badge-pill {
      background: rgba(245, 166, 35, 0.12);
      color: var(--accent-gold);
      border: 1px solid rgba(245, 166, 35, 0.25);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.5px;
      padding: 3px 10px;
    }
    .badge-red {
      background: rgba(255, 59, 48, 0.15);
      color: var(--highlight-red);
      border: 1px solid rgba(255, 59, 48, 0.3);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }
    .badge-green {
      background: rgba(34, 197, 94, 0.12);
      color: #4ade80;
      border: 1px solid rgba(34, 197, 94, 0.28);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }
    .faq-toggle summary::-webkit-details-marker {
      display: none;
    }
    .faq-toggle summary {
      list-style: none;
    }
    .custom-input {
      background-color: #121418;
      border: 1px solid var(--border-subtle);
      color: #fff;
      transition: border-color 0.2s ease;
    }
    .custom-input:focus {
      border-color: var(--accent-gold);
      outline: none;
    }
    .schedule-day-btn {
      background-color: #14161A;
      border: 1px solid var(--border-subtle);
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 500;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .schedule-day-btn.active, .schedule-day-btn:hover {
      background-color: rgba(245, 166, 35, 0.15);
      border-color: var(--accent-gold);
      color: #fff;
    }
    .progress-bar-fill {
      background: linear-gradient(90deg, #F5A623 0%, #FF3B30 100%);
      border-radius: 9999px;
    }

/* roulang page: category1 */
:root {
      --bg-main: #0B0C0E;
      --bg-layer: #14161A;
      --bg-card: #1C1F26;
      --accent-gold: #F5A623;
      --highlight-red: #FF3B30;
      --text-pure: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-subtle: #262B35;
      --border-hover: #3E4554;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 0 20px rgba(245, 166, 35, 0.25);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-pure);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .site-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(11, 12, 14, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(38, 43, 53, 0.6);
    }
    .nav-link {
      position: relative;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 500;
      transition: color 0.25s ease;
      padding: 6px 2px;
    }
    .nav-link:hover {
      color: var(--text-pure);
    }
    .nav-link.active {
      color: var(--accent-gold);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent-gold);
      border-radius: 2px;
    }
    .btn-gold {
      background: linear-gradient(135deg, #F5A623 0%, #D48806 100%);
      color: #0B0C0E;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      box-shadow: 0 4px 12px rgba(245, 166, 35, 0.2);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-gold:hover {
      box-shadow: 0 0 20px rgba(245, 166, 35, 0.45);
      transform: translateY(-1px);
    }
    .btn-outline {
      border: 1px solid var(--border-subtle);
      background: transparent;
      color: var(--text-pure);
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-outline:hover {
      border-color: var(--border-hover);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .stream-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: border-color 0.25s ease, transform 0.25s ease;
    }
    .stream-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }
    .badge-pill {
      background: rgba(245, 166, 35, 0.12);
      color: var(--accent-gold);
      border: 1px solid rgba(245, 166, 35, 0.25);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.5px;
      padding: 3px 10px;
    }
    .badge-red {
      background: rgba(255, 59, 48, 0.15);
      color: var(--highlight-red);
      border: 1px solid rgba(255, 59, 48, 0.3);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }
    .filter-item {
      padding: 4px 12px;
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-muted);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .filter-item:hover {
      color: var(--text-pure);
      background: rgba(255, 255, 255, 0.05);
    }
    .filter-item.active {
      background: rgba(245, 166, 35, 0.15);
      color: var(--accent-gold);
      font-weight: 600;
      border: 1px solid rgba(245, 166, 35, 0.3);
    }
    .poster-box {
      aspect-ratio: 2 / 3;
      overflow: hidden;
      position: relative;
      background-color: #121418;
    }
    .poster-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-box img {
      transform: scale(1.05);
    }
    .faq-toggle summary::-webkit-details-marker {
      display: none;
    }
    .faq-toggle summary {
      list-style: none;
    }
    .custom-input {
      background-color: #121418;
      border: 1px solid var(--border-subtle);
      color: #fff;
      transition: border-color 0.2s ease;
    }
    .custom-input:focus {
      border-color: var(--accent-gold);
      outline: none;
    }

/* roulang page: category3 */
:root {
      --bg-main: #0B0C0E;
      --bg-layer: #14161A;
      --bg-card: #1C1F26;
      --accent-gold: #F5A623;
      --highlight-red: #FF3B30;
      --text-pure: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-subtle: #262B35;
      --border-hover: #3E4554;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
      --shadow-glow: 0 0 20px rgba(245, 166, 35, 0.25);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-pure);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .site-container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(11, 12, 14, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(38, 43, 53, 0.6);
    }
    .nav-link {
      position: relative;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 500;
      transition: color 0.25s ease;
      padding: 6px 2px;
    }
    .nav-link:hover {
      color: var(--text-pure);
    }
    .nav-link.active {
      color: var(--accent-gold);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--accent-gold);
      border-radius: 2px;
    }
    .btn-gold {
      background: linear-gradient(135deg, #F5A623 0%, #D48806 100%);
      color: #0B0C0E;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      box-shadow: 0 4px 12px rgba(245, 166, 35, 0.2);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-gold:hover {
      box-shadow: 0 0 20px rgba(245, 166, 35, 0.45);
      transform: translateY(-1px);
    }
    .btn-outline {
      border: 1px solid var(--border-subtle);
      background: transparent;
      color: var(--text-pure);
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-outline:hover {
      border-color: var(--border-hover);
      background-color: rgba(255, 255, 255, 0.05);
    }
    .stream-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: border-color 0.25s ease, transform 0.25s ease;
    }
    .stream-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
    }
    .badge-pill {
      background: rgba(245, 166, 35, 0.12);
      color: var(--accent-gold);
      border: 1px solid rgba(245, 166, 35, 0.25);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.5px;
      padding: 3px 10px;
    }
    .badge-red {
      background: rgba(255, 59, 48, 0.15);
      color: var(--highlight-red);
      border: 1px solid rgba(255, 59, 48, 0.3);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }
    .badge-teal {
      background: rgba(20, 184, 166, 0.15);
      color: #14B8A6;
      border: 1px solid rgba(20, 184, 166, 0.3);
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
    }
    .custom-input {
      background-color: #121418;
      border: 1px solid var(--border-subtle);
      color: #fff;
      transition: border-color 0.2s ease;
    }
    .custom-input:focus {
      border-color: var(--accent-gold);
      outline: none;
    }
    .pill-filter {
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 500;
      border: 1px solid var(--border-subtle);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .pill-filter.active, .pill-filter:hover {
      background: var(--accent-gold);
      color: #0B0C0E;
      border-color: var(--accent-gold);
      font-weight: 600;
    }
    .timeline-track {
      position: relative;
    }
    .timeline-track::before {
      content: '';
      position: absolute;
      left: 19px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: #262B35;
    }