/* roulang page: index */
:root {
            --bg-primary: #0E0E12;
            --bg-secondary: #16161D;
            --bg-card: #1F1F2A;
            --text-main: #F4F4F5;
            --text-muted: #A1A1AA;
            --accent-primary: #E11D48;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(225, 29, 72, 0.35);
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        .text-gradient {
            background: linear-gradient(135deg, #FDA4AF 0%, #FB7185 40%, #E11D48 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .text-gold-gradient {
            background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-glow-radial {
            background: radial-gradient(circle at 50% 20%, rgba(225, 29, 72, 0.15), transparent 70%);
        }
        .glass-header {
            background: rgba(14, 14, 18, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
        }
        .accordion-item.active .accordion-content {
            max-height: 280px;
            opacity: 1;
        }
        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0E0E12;
        }
        ::-webkit-scrollbar-thumb {
            background: #272733;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #E11D48;
        }

/* roulang page: category1 */
:root {
        --bg-primary: #0E0E12;
        --bg-secondary: #16161D;
        --bg-card: #1F1F2A;
        --text-main: #F4F4F5;
        --text-muted: #A1A1AA;
        --accent-primary: #E11D48;
        --border-subtle: rgba(255, 255, 255, 0.08);
        --border-glow: rgba(225, 29, 72, 0.35);
      }
      body {
        background-color: var(--bg-primary);
        color: var(--text-main);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        -webkit-font-smoothing: antialiased;
      }
      .text-gradient {
        background: linear-gradient(135deg, #FDA4AF 0%, #FB7185 40%, #E11D48 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
      }
      .text-gold-gradient {
        background: linear-gradient(135deg, #FDE68A 0%, #F59E0B 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
      }
      .glass-header {
        background: rgba(14, 14, 18, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
      }
      .accordion-item.active .accordion-content {
        max-height: 280px;
        opacity: 1;
        padding-top: 0.75rem;
      }
      .accordion-item.active .accordion-icon {
        transform: rotate(180deg);
      }
      .filter-btn.active {
        background-color: rgba(225, 29, 72, 0.2);
        color: #FDA4AF;
        border-color: rgba(225, 29, 72, 0.5);
      }