/* roulang page: index */
:root {
      --brand-red: #FF385C;
      --brand-gold: #FFAA00;
      --brand-purple: #8B5CF6;
      --brand-green: #10B981;
      --bg-dark: #0A0D14;
      --bg-surface: #121722;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --radius-card: 16px;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 15%, rgba(255, 56, 92, 0.18) 0%, rgba(255, 170, 0, 0.08) 35%, transparent 70%);
    }
    .card-glass {
      background: rgba(255, 255, 255, 0.025);
      border: 1px solid var(--border-subtle);
      backdrop-filter: blur(16px);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-glass:hover {
      border-color: rgba(255, 56, 92, 0.4);
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(255, 56, 92, 0.15);
    }
    .btn-gradient {
      background: linear-gradient(135deg, #FF385C 0%, #FFAA00 100%);
      transition: all 0.3s ease;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(255, 56, 92, 0.35);
    }
    .gradient-text {
      background: linear-gradient(135deg, #FFF 0%, #FFAA00 50%, #FF385C 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .badge-pulse::before {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      border-radius: inherit;
      background: inherit;
      animation: pulse-ring 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
    }
    @keyframes pulse-ring {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.4); opacity: 0; }
      100% { transform: scale(1.4); opacity: 0; }
    }

/* roulang page: category1 */
:root {
      --brand-red: #FF385C;
      --brand-gold: #FFAA00;
      --brand-purple: #8B5CF6;
      --brand-green: #10B981;
      --bg-dark: #0A0D14;
      --bg-surface: #121722;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --radius-card: 16px;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 20%, rgba(255, 56, 92, 0.16) 0%, rgba(255, 170, 0, 0.06) 40%, transparent 70%);
    }
    .card-glass {
      background: rgba(255, 255, 255, 0.025);
      border: 1px solid var(--border-subtle);
      backdrop-filter: blur(16px);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-glass:hover {
      border-color: rgba(255, 56, 92, 0.4);
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(255, 56, 92, 0.15);
    }
    .btn-gradient {
      background: linear-gradient(135deg, #FF385C 0%, #FFAA00 100%);
      transition: all 0.3s ease;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(255, 56, 92, 0.35);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      transition: all 0.2s ease;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.25);
      color: #FFF;
    }
    .badge-pulse::before {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      border-radius: inherit;
      background: inherit;
      animation: pulse-ring 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
    }
    @keyframes pulse-ring {
      0% { transform: scale(0.95); opacity: 0.8; }
      100% { transform: scale(2.4); opacity: 0; }
    }
    .search-input:focus {
      outline: none;
      border-color: #FF385C;
      box-shadow: 0 0 20px rgba(255, 56, 92, 0.25);
    }
    details > summary::-webkit-details-marker {
      display: none;
    }

/* roulang page: article */
:root {
      --brand-red: #FF385C;
      --brand-gold: #FFAA00;
      --brand-purple: #8B5CF6;
      --brand-green: #10B981;
      --bg-dark: #0A0D14;
      --bg-surface: #121722;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --radius-card: 16px;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .hero-glow {
      background: radial-gradient(circle at 50% 15%, rgba(255, 56, 92, 0.18) 0%, rgba(255, 170, 0, 0.08) 35%, transparent 70%);
    }
    .card-glass {
      background: rgba(255, 255, 255, 0.025);
      border: 1px solid var(--border-subtle);
      backdrop-filter: blur(16px);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-glass:hover {
      border-color: rgba(255, 56, 92, 0.4);
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(255, 56, 92, 0.15);
    }
    .btn-gradient {
      background: linear-gradient(135deg, #FF385C 0%, #FFAA00 100%);
      transition: all 0.3s ease;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-1px);
      box-shadow: 0 8px 24px rgba(255, 56, 92, 0.35);
    }
    .article-body {
      color: #CBD5E1;
      font-size: 1.0625rem;
      line-height: 1.85;
      letter-spacing: 0.01em;
    }
    .article-body h2 {
      font-size: 1.625rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-top: 2.5rem;
      margin-bottom: 1.25rem;
      padding-bottom: 0.6rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
    }
    .article-body h2::before {
      content: '';
      position: absolute;
      left: 0;
      bottom: -1px;
      width: 40px;
      height: 2px;
      background: linear-gradient(90deg, #FF385C, #FFAA00);
    }
    .article-body h3 {
      font-size: 1.3rem;
      font-weight: 600;
      color: #F1F5F9;
      margin-top: 2rem;
      margin-bottom: 0.85rem;
    }
    .article-body p {
      margin-bottom: 1.35rem;
    }
    .article-body ul, .article-body ol {
      margin-top: 1rem;
      margin-bottom: 1.35rem;
      padding-left: 1.5rem;
    }
    .article-body li {
      margin-bottom: 0.5rem;
      position: relative;
    }
    .article-body ul li::marker {
      color: #FF385C;
    }
    .article-body blockquote {
      margin: 1.75rem 0;
      padding: 1.25rem 1.5rem;
      background: rgba(255, 56, 92, 0.05);
      border-left: 4px solid #FF385C;
      border-radius: 0 12px 12px 0;
      color: #E2E8F0;
      font-style: italic;
    }
    .article-body img {
      max-width: 100%;
      height: auto;
      border-radius: 12px;
      margin: 2rem auto;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    }
    .article-body a {
      color: #FFAA00;
      text-decoration: underline;
      text-underline-offset: 4px;
      transition: color 0.2s;
    }
    .article-body a:hover {
      color: #FF385C;
    }