/* roulang page: index */
:root {
      --brand-gradient: linear-gradient(135deg, #FF3366 0%, #FF6B00 100%);
      --gold-gradient: linear-gradient(135deg, #FDE68A 0%, #D97706 100%);
      --dark-gradient: linear-gradient(180deg, #0B0F19 0%, #151E33 100%);
      --accent-glow: rgba(255, 51, 102, 0.25);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #070A12;
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .gradient-text {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .gold-gradient-text {
      background: var(--gold-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .glass-nav {
      background: rgba(11, 15, 25, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-card {
      background: rgba(19, 27, 46, 0.65);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
    }
    .glass-card:hover {
      border-color: rgba(255, 107, 0, 0.35);
      box-shadow: 0 25px 50px -12px rgba(255, 51, 102, 0.15);
    }
    .pulse-dot {
      position: relative;
    }
    .pulse-dot::before {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      background: inherit;
      border-radius: 50%;
      animation: pulseAnimation 2s infinite;
    }
    @keyframes pulseAnimation {
      0% { transform: scale(1); opacity: 0.8; }
      100% { transform: scale(2.6); opacity: 0; }
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .btn-gradient {
      background: var(--brand-gradient);
      color: #FFFFFF;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 51, 102, 0.4);
    }
    .btn-gold {
      background: var(--gold-gradient);
      color: #0B0F19;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-gold:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(217, 119, 6, 0.35);
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.15);
      border-radius: 4px;
    }

/* roulang page: article */
:root {
      --brand-gradient: linear-gradient(135deg, #FF3366 0%, #FF6B00 100%);
      --gold-gradient: linear-gradient(135deg, #FDE68A 0%, #D97706 100%);
      --dark-gradient: linear-gradient(180deg, #0B0F19 0%, #151E33 100%);
      --accent-glow: rgba(255, 51, 102, 0.25);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #070A12;
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-nav {
      background: rgba(11, 15, 25, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-card {
      background: rgba(19, 27, 46, 0.65);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
    }
    .glass-card:hover {
      border-color: rgba(255, 107, 0, 0.35);
      box-shadow: 0 25px 50px -12px rgba(255, 51, 102, 0.15);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .btn-gradient {
      background: var(--brand-gradient);
      color: #FFFFFF;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 51, 102, 0.4);
    }
    .btn-gold {
      background: var(--gold-gradient);
      color: #0B0F19;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-gold:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(217, 119, 6, 0.35);
    }
    .pulse-dot {
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-ring 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
    }
    @keyframes pulse-ring {
      to {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
      }
    }
    .article-content {
      color: #CBD5E1;
      font-size: 1.0625rem;
      line-height: 1.85;
      letter-spacing: 0.015em;
    }
    .article-content p {
      margin-bottom: 1.6rem;
    }
    .article-content h2 {
      font-size: 1.65rem;
      font-weight: 800;
      color: #F8FAFC;
      margin-top: 2.8rem;
      margin-bottom: 1.2rem;
      padding-left: 0.85rem;
      border-left: 4px solid #FF3366;
      line-height: 1.35;
    }
    .article-content h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: #F1F5F9;
      margin-top: 2rem;
      margin-bottom: 0.9rem;
    }
    .article-content blockquote {
      background: rgba(255, 51, 102, 0.06);
      border-left: 4px solid #FF6B00;
      padding: 1.25rem 1.5rem;
      border-radius: 0 1rem 1rem 0;
      margin: 1.8rem 0;
      color: #E2E8F0;
      font-style: normal;
    }
    .article-content ul, .article-content ol {
      margin-bottom: 1.6rem;
      padding-left: 1.5rem;
    }
    .article-content li {
      margin-bottom: 0.5rem;
      list-style-type: disc;
    }
    .article-content code {
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0.2rem 0.45rem;
      border-radius: 0.35rem;
      font-family: monospace;
      color: #00F2FE;
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 2rem 0;
      font-size: 0.95rem;
    }
    .article-content th, .article-content td {
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0.75rem 1rem;
      text-align: left;
    }
    .article-content th {
      background: rgba(255, 255, 255, 0.04);
      color: #F8FAFC;
      font-weight: 700;
    }

/* roulang page: category2 */
:root {
      --brand-gradient: linear-gradient(135deg, #FF3366 0%, #FF6B00 100%);
      --gold-gradient: linear-gradient(135deg, #FDE68A 0%, #D97706 100%);
      --dark-gradient: linear-gradient(180deg, #0B0F19 0%, #151E33 100%);
      --accent-glow: rgba(255, 51, 102, 0.25);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #070A12;
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-nav {
      background: rgba(11, 15, 25, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-card {
      background: rgba(19, 27, 46, 0.65);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
    }
    .glass-card:hover {
      border-color: rgba(255, 107, 0, 0.35);
      box-shadow: 0 25px 50px -12px rgba(255, 51, 102, 0.15);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .btn-gradient {
      background: var(--brand-gradient);
      color: #FFFFFF;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 51, 102, 0.4);
    }
    .btn-gold {
      background: var(--gold-gradient);
      color: #0B0F19;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-gold:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(217, 119, 6, 0.35);
    }
    .pulse-dot {
      animation: pulseGlow 2s infinite ease-in-out;
    }
    @keyframes pulseGlow {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }
    .metric-bar-fill {
      transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

/* roulang page: category1 */
:root {
      --brand-gradient: linear-gradient(135deg, #FF3366 0%, #FF6B00 100%);
      --gold-gradient: linear-gradient(135deg, #FDE68A 0%, #D97706 100%);
      --dark-gradient: linear-gradient(180deg, #0B0F19 0%, #151E33 100%);
      --accent-glow: rgba(255, 51, 102, 0.25);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #070A12;
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-nav {
      background: rgba(11, 15, 25, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .glass-card {
      background: rgba(19, 27, 46, 0.65);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
    }
    .glass-card:hover {
      border-color: rgba(255, 107, 0, 0.35);
      box-shadow: 0 25px 50px -12px rgba(255, 51, 102, 0.15);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
    }
    .btn-gradient {
      background: var(--brand-gradient);
      color: #FFFFFF;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .btn-gradient:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 51, 102, 0.4);
    }
    .btn-gold {
      background: var(--gold-gradient);
      color: #0B0F19;
      font-weight: 700;
      transition: all 0.3s ease;
    }
    .btn-gold:hover {
      opacity: 0.95;
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(217, 119, 6, 0.35);
    }
    .pulse-dot {
      animation: pulseAnimation 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulseAnimation {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }
    .filter-btn-active {
      background: linear-gradient(135deg, rgba(255, 51, 102, 0.2) 0%, rgba(255, 107, 0, 0.2) 100%);
      border-color: #FF6B00;
      color: #FFFFFF;
    }
    .filter-btn-inactive {
      background: rgba(255, 255, 255, 0.03);
      border-color: rgba(255, 255, 255, 0.08);
      color: #94A3B8;
    }
    .filter-btn-inactive:hover {
      background: rgba(255, 255, 255, 0.07);
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.18);
    }
    .leaderboard-row:hover {
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(255, 107, 0, 0.4);
    }