/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-hover: #1e40af;
      --secondary: #0ea5e9;
      --accent: #06b6d4;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-dark: #0f172a;
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-line: #e2e8f0;
      --card-radius: 14px;
      --shadow-base: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 20px 25px -5px rgba(29, 78, 216, 0.08), 0 8px 10px -6px rgba(29, 78, 216, 0.04);
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }
    .custom-shadow {
      box-shadow: var(--shadow-base);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(248,250,252,0.92) 0%, rgba(241,245,249,0.96) 100%), url('/assets/images/fc8a79f8456e90ba.jpg') center/cover no-repeat;
    }
    .dark-section-bg {
      background: radial-gradient(circle at 80% 20%, #1e293b 0%, #0f172a 100%);
    }
    .pulse-status {
      animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse-ring {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

/* roulang page: category1 */
:root {
      --primary: #1d4ed8;
      --primary-hover: #1e40af;
      --secondary: #0ea5e9;
      --accent: #06b6d4;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-dark: #0f172a;
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-line: #e2e8f0;
      --card-radius: 14px;
      --shadow-base: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 20px 25px -5px rgba(29, 78, 216, 0.08), 0 8px 10px -6px rgba(29, 78, 216, 0.04);
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }
    .custom-shadow {
      box-shadow: var(--shadow-base);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-shadow:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .pulse-status {
      animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: .3; }
    }