/* roulang page: index */
:root {
      --bg-main: #0b0d14;
      --bg-card: #131722;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --brand-primary: #6366f1;
      --brand-secondary: #a855f7;
      --brand-pink: #ec4899;
      --accent-amber: #f59e0b;
      --border-glass: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .brand-gradient-text {
      background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .brand-gradient-bg {
      background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    }
    .brand-gradient-bg-hover:hover {
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    }
    .glass-panel {
      background: rgba(19, 23, 34, 0.7);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-badge {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .glow-purple {
      box-shadow: 0 0 40px -10px rgba(168, 85, 247, 0.35);
    }
    .glow-amber {
      box-shadow: 0 0 30px -8px rgba(245, 158, 11, 0.3);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-6px);
      border-color: rgba(168, 85, 247, 0.4);
      box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.2);
    }
    details summary::-webkit-details-marker {
      display: none;
    }

/* roulang page: category2 */
:root {
      --bg-main: #0b0d14;
      --bg-card: #131722;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --brand-primary: #6366f1;
      --brand-secondary: #a855f7;
      --brand-pink: #ec4899;
      --accent-amber: #f59e0b;
      --border-glass: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .brand-gradient-text {
      background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .brand-gradient-bg {
      background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    }
    .brand-gradient-bg-hover:hover {
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    }
    .glass-badge {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-6px);
      border-color: rgba(168, 85, 247, 0.4);
      box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.2);
    }
    /* 胶囊微动效与详情折叠 */
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }

/* roulang page: category1 */
:root {
        --bg-main: #0b0d14;
        --bg-card: #131722;
        --text-main: #f8fafc;
        --text-muted: #94a3b8;
        --brand-primary: #6366f1;
        --brand-secondary: #a855f7;
        --brand-pink: #ec4899;
        --accent-amber: #f59e0b;
        --border-glass: rgba(255, 255, 255, 0.08);
    }
    body {
        background-color: var(--bg-main);
        color: var(--text-main);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        overflow-x: hidden;
    }
    .brand-gradient-text {
        background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .brand-gradient-bg {
        background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    }
    .brand-gradient-bg-hover:hover {
        background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    }
    .glass-badge {
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .card-transition {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
        transform: translateY(-6px);
        border-color: rgba(168, 85, 247, 0.4);
        box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.2);
    }
    .custom-scrollbar::-webkit-scrollbar {
        height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
        background: #0f121d;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
        background: #272d42;
        border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
        background: #3b4363;
    }

/* roulang page: category3 */
:root {
      --bg-main: #0b0d14;
      --bg-card: #131722;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --brand-primary: #6366f1;
      --brand-secondary: #a855f7;
      --brand-pink: #ec4899;
      --accent-amber: #f59e0b;
      --border-glass: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .brand-gradient-text {
      background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .brand-gradient-bg {
      background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    }
    .brand-gradient-bg-hover:hover {
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    }
    .glass-badge {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .glass-panel {
      background: rgba(19, 23, 34, 0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-6px);
      border-color: rgba(168, 85, 247, 0.4);
      box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.2);
    }
    .filter-item-active {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(168, 85, 247, 0.25) 100%);
      border-color: #a855f7;
      color: #ffffff;
      font-weight: 600;
    }
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category4 */
:root {
            --bg-main: #0b0d14;
            --bg-card: #131722;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --brand-primary: #6366f1;
            --brand-secondary: #a855f7;
            --brand-pink: #ec4899;
            --accent-amber: #f59e0b;
            --border-glass: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .brand-gradient-text {
            background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .brand-gradient-bg {
            background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
        }
        .brand-gradient-bg-hover:hover {
            background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
        }
        .glass-panel {
            background: rgba(19, 23, 34, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
        }
        .glass-badge {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .card-transition {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-transition:hover {
            transform: translateY(-6px);
            border-color: rgba(168, 85, 247, 0.4);
            box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.25);
        }
        .filter-btn-active {
            background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
            color: #ffffff;
            font-weight: 600;
        }
        .filter-btn {
            background: rgba(255, 255, 255, 0.04);
            color: #94a3b8;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.2s ease;
        }
        .filter-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.18);
        }