/* roulang page: index */
:root {
      --bg-main: #0F0D0E;
      --bg-shelf: #1A1618;
      --bg-card: #221D20;
      --border-color: #382E33;
      --primary-crimson: #D92652;
      --gold-accent: #C5A880;
      --text-white: #FAF8F8;
      --text-gray: #C4B5BC;
      --text-muted: #7D7277;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-white);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .shelf-card {
      background-color: var(--bg-shelf);
      border: 1px solid var(--border-color);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .shelf-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary-crimson);
      box-shadow: 0 12px 30px rgba(217, 38, 82, 0.16);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 4px;
      width: 4px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: var(--border-color);
      border-radius: 4px;
    }
    .badge-crimson {
      background-color: rgba(217, 38, 82, 0.15);
      color: #FF5A82;
      border: 1px solid rgba(217, 38, 82, 0.4);
    }
    .badge-gold {
      background-color: rgba(197, 168, 128, 0.15);
      color: #E8CA9E;
      border: 1px solid rgba(197, 168, 128, 0.4);
    }

/* roulang page: category1 */
:root {
      --bg-main: #0F0D0E;
      --bg-shelf: #1A1618;
      --bg-card: #221D20;
      --border-color: #382E33;
      --primary-crimson: #D92652;
      --gold-accent: #C5A880;
      --text-white: #FAF8F8;
      --text-gray: #C4B5BC;
      --text-muted: #7D7277;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-white);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .shelf-card {
      background-color: var(--bg-shelf);
      border: 1px solid var(--border-color);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .shelf-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary-crimson);
      box-shadow: 0 12px 30px rgba(217, 38, 82, 0.16);
    }
    .badge-crimson {
      background-color: rgba(217, 38, 82, 0.15);
      color: #FF5A82;
      border: 1px solid rgba(217, 38, 82, 0.4);
    }
    .badge-gold {
      background-color: rgba(197, 168, 128, 0.15);
      color: #E8CA9E;
      border: 1px solid rgba(197, 168, 128, 0.4);
    }
    .custom-scroll::-webkit-scrollbar {
      height: 4px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #382E33;
      border-radius: 2px;
    }