/* roulang page: index */
:root {
            --bg-main: #0d0e12;
            --bg-card: #16181f;
            --bg-card-hover: #1e212b;
            --border-main: #272b38;
            --primary: #e11d48;
            --primary-hover: #f43f5e;
            --accent: #f59e0b;
            --text-main: #f9fafb;
            --text-sub: #d1d5db;
            --text-muted: #9ca3af;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-sub);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .border-glow:hover {
            border-color: rgba(225, 29, 72, 0.45);
            box-shadow: 0 4px 20px -2px rgba(225, 29, 72, 0.15);
        }
        .tab-btn.active {
            background-color: #e11d48;
            color: #ffffff;
            border-color: #e11d48;
        }
        /* Details summary reset */
        details summary::-webkit-details-marker {
            display: none;
        }

/* roulang page: category1 */
:root {
      --bg-main: #0d0e12;
      --bg-card: #16181f;
      --bg-card-hover: #1e212b;
      --border-main: #272b38;
      --primary: #e11d48;
      --primary-hover: #f43f5e;
      --accent: #f59e0b;
      --text-main: #f9fafb;
      --text-sub: #d1d5db;
      --text-muted: #9ca3af;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-sub);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
    }
    .border-glow {
      transition: all 0.25s ease-in-out;
    }
    .border-glow:hover {
      border-color: rgba(225, 29, 72, 0.45);
      box-shadow: 0 4px 20px -2px rgba(225, 29, 72, 0.15);
    }
    .filter-tag.active {
      background-color: #e11d48;
      color: #ffffff;
      border-color: #e11d48;
    }

/* roulang page: category2 */
:root {
            --bg-main: #0d0e12;
            --bg-card: #16181f;
            --bg-card-hover: #1e212b;
            --border-main: #272b38;
            --primary: #e11d48;
            --primary-hover: #f43f5e;
            --accent: #f59e0b;
            --text-main: #f9fafb;
            --text-sub: #d1d5db;
            --text-muted: #9ca3af;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-sub);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .border-glow:hover {
            border-color: rgba(225, 29, 72, 0.45);
            box-shadow: 0 4px 20px -2px rgba(225, 29, 72, 0.15);
        }
        .coupon-ticket {
            background: radial-gradient(circle at 0 50%, transparent 10px, #1a1c24 11px),
                        radial-gradient(circle at 100% 50%, transparent 10px, #1a1c24 11px);
        }