/* roulang page: index */
:root{
      --bg: #edf1ef;
      --bg-soft: #f6f8f7;
      --surface: #ffffff;
      --surface-strong: #11151c;
      --surface-dark: #0d1117;
      --text: #18212d;
      --text-strong: #08111c;
      --text-soft: #5f6b79;
      --border: rgba(20, 28, 38, .10);
      --border-strong: rgba(20, 28, 38, .18);
      --accent: #2de39c;
      --accent-2: #18c3c7;
      --accent-3: #f6a344;
      --danger: #d85a5a;
      --shadow: 0 10px 30px rgba(13, 18, 25, .08);
      --shadow-strong: 0 18px 44px rgba(13, 18, 25, .14);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --radius-xs: 10px;
      --container: 1200px;
      --gap: 24px;
      --line: linear-gradient(90deg, rgba(45,227,156,.0), rgba(45,227,156,.9), rgba(24,195,199,.95), rgba(246,163,68,.85), rgba(45,227,156,.0));
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(45,227,156,.08), transparent 20%),
        radial-gradient(circle at top right, rgba(24,195,199,.08), transparent 20%),
        var(--bg);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(45,227,156,.24);color:var(--text-strong)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .topbar{
      background:linear-gradient(90deg, #0c1117, #111b23 35%, #0d1218);
      color:#d4dee7;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .topbar-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:8px 0;
      font-size:13px;
      letter-spacing:.02em;
    }
    .topbar-left{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex-wrap:wrap;
    }
    .topbar-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 10px;
      border-radius:999px;
      background:rgba(45,227,156,.14);
      color:#9ef0c7;
      border:1px solid rgba(45,227,156,.18);
      white-space:nowrap;
      font-weight:600;
    }
    .topbar-text{
      color:#c7d1db;
    }
    .topbar-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#eff9f5;
      font-weight:600;
      white-space:nowrap;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      transition:all .22s ease;
    }
    .topbar-link:hover,
    .topbar-link:focus-visible{
      transform:translateY(-1px);
      background:rgba(45,227,156,.12);
      border-color:rgba(45,227,156,.28);
      color:#fff;
      outline:none;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      backdrop-filter:saturate(1.2) blur(10px);
      background:rgba(242,246,244,.82);
      border-bottom:1px solid rgba(16,22,30,.08);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      min-height:76px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(45,227,156,1), rgba(24,195,199,.78));
      box-shadow:0 10px 22px rgba(45,227,156,.22);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::before{
      content:"LOL";
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
      font-weight:800;
      letter-spacing:.08em;
      color:#062016;
      font-size:12px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
    }
    .brand-name{
      font-size:17px;
      font-weight:800;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:100%;
    }
    .brand-sub{
      font-size:12px;
      color:var(--text-soft);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:100%;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      position:relative;
      padding:11px 14px;
      border-radius:999px;
      color:#273244;
      font-weight:600;
      transition:all .22s ease;
      line-height:1;
      border:1px solid transparent;
    }
    .nav a:hover,
    .nav a:focus-visible{
      color:#0b1d14;
      background:rgba(45,227,156,.10);
      border-color:rgba(45,227,156,.20);
      transform:translateY(-1px);
      outline:none;
    }
    .nav a.active{
      color:#06160f;
      background:linear-gradient(135deg, rgba(45,227,156,.18), rgba(24,195,199,.15));
      border-color:rgba(45,227,156,.28);
      box-shadow:0 10px 24px rgba(45,227,156,.10);
    }
    .hero{
      position:relative;
      color:#f4fbf8;
      background:
        linear-gradient(180deg, rgba(8,10,14,.14), rgba(8,10,14,.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(5,7,10,.84), rgba(7,10,15,.70) 40%, rgba(8,12,18,.82)),
        radial-gradient(circle at 20% 20%, rgba(45,227,156,.16), transparent 24%),
        radial-gradient(circle at 80% 10%, rgba(24,195,199,.12), transparent 20%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:6px;
      background:var(--line);
      opacity:.9;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      padding:42px 0 38px;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:14px 0 8px;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#dff8ef;
      font-weight:700;
      font-size:13px;
      letter-spacing:.02em;
      margin-bottom:18px;
      backdrop-filter:blur(6px);
    }
    .hero-kicker .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(45,227,156,.12);
    }
    .hero h1{
      margin:0 0 16px;
      font-size:clamp(34px, 5vw, 56px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:900;
      max-width:12ch;
    }
    .hero-desc{
      max-width:64ch;
      margin:0 0 22px;
      color:#d8e7df;
      font-size:16px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:0 0 18px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), #b4ff89);
      color:#082016;
      box-shadow:0 14px 26px rgba(45,227,156,.22);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 32px rgba(45,227,156,.28);
    }
    .btn-secondary{
      background:rgba(255,255,255,.07);
      color:#f5fbf8;
      border-color:rgba(255,255,255,.15);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(255,255,255,.11);
      border-color:rgba(255,255,255,.24);
      box-shadow:0 12px 24px rgba(0,0,0,.18);
    }
    .btn-ghost{
      background:transparent;
      color:#dff8ef;
      border-color:rgba(255,255,255,.16);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      background:rgba(24,195,199,.1);
      border-color:rgba(24,195,199,.28);
      color:#fff;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#ebf6f1;
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      font-weight:600;
      letter-spacing:.01em;
    }
    .hero-panel{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:16px;
      align-items:stretch;
      min-height:100%;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 16px 40px rgba(0,0,0,.24);
      min-height:100%;
    }
    .hero-card figure{
      margin:0;
      height:100%;
      min-height:100%;
      position:relative;
    }
    .hero-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.95;
      transform:scale(1.01);
    }
    .hero-card .overlay{
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(8,11,16,.06), rgba(8,11,16,.85)),
        linear-gradient(135deg, rgba(45,227,156,.1), transparent 45%);
    }
    .hero-card .content{
      position:absolute;
      inset:auto 0 0 0;
      padding:20px 20px 18px;
      z-index:1;
    }
    .hero-card .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      color:#f6fffb;
      font-size:12px;
      font-weight:700;
      margin-bottom:10px;
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-card h2,
    .hero-card h3{
      margin:0 0 8px;
      color:#fff;
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .hero-card h2{font-size:24px}
    .hero-card h3{font-size:18px}
    .hero-card p{
      margin:0;
      color:#d5e2db;
      font-size:14px;
      line-height:1.75;
      max-width:34ch;
    }
    .hero-stack{
      display:grid;
      grid-template-rows:1fr 1fr;
      gap:16px;
      min-height:100%;
    }
    .mini-card{
      background:linear-gradient(180deg, rgba(15,19,27,.96), rgba(19,26,35,.92));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius-lg);
      padding:18px;
      position:relative;
      overflow:hidden;
      box-shadow:0 14px 34px rgba(0,0,0,.18);
    }
    .mini-card::before{
      content:"";
      position:absolute;
      inset:auto -20px -20px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(45,227,156,.18), transparent 62%);
      pointer-events:none;
    }
    .mini-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .mini-title strong{
      color:#fff;
      font-size:16px;
      letter-spacing:.01em;
    }
    .mini-chip{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(45,227,156,.14);
      color:#a8ffd5;
      border:1px solid rgba(45,227,156,.16);
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#d6e3dd;
      font-size:13px;
      line-height:1.6;
    }
    .mini-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      margin-top:8px;
      flex:0 0 auto;
      box-shadow:0 0 0 5px rgba(45,227,156,.08);
    }
    .hero-summary{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:10px;
      margin-top:16px;
    }
    .summary-item{
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#e2efe8;
      backdrop-filter:blur(8px);
    }
    .summary-item b{
      display:block;
      font-size:18px;
      color:#fff;
      margin-bottom:4px;
      letter-spacing:.01em;
    }
    .summary-item span{
      display:block;
      font-size:12px;
      line-height:1.5;
      color:#cbdad2;
    }
    .section{
      padding:72px 0;
    }
    .section-light{
      background:linear-gradient(180deg, rgba(255,255,255,.7), rgba(244,247,246,.96));
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
    }
    .section-copy{
      max-width:780px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:800;
      color:#146243;
      letter-spacing:.06em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:18px;
      height:2px;
      background:var(--line);
      border-radius:99px;
    }
    .section-title{
      margin:0 0 10px;
      font-size:clamp(24px, 3vw, 36px);
      line-height:1.18;
      color:var(--text-strong);
      letter-spacing:-.03em;
    }
    .section-desc{
      margin:0;
      color:var(--text-soft);
      line-height:1.85;
      max-width:68ch;
      font-size:15px;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#0c6d4b;
      font-weight:700;
      padding:10px 0;
      white-space:nowrap;
    }
    .section-link span{
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(45,227,156,.12);
      color:#0f6a46;
      border:1px solid rgba(45,227,156,.18);
      transition:transform .22s ease, background .22s ease;
    }
    .section-link:hover span,
    .section-link:focus-visible span{
      transform:translateX(2px);
      background:rgba(45,227,156,.18);
      outline:none;
    }
    .quick-grid{
      display:grid;
      grid-template-columns:repeat(6, minmax(0, 1fr));
      gap:16px;
    }
    .quick-card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      padding:18px;
      box-shadow:var(--shadow);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      min-height:170px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .quick-card::after{
      content:"";
      position:absolute;
      inset:auto -18px -18px auto;
      width:70px;
      height:70px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(24,195,199,.10), transparent 70%);
    }
    .quick-card:hover,
    .quick-card:focus-within{
      transform:translateY(-4px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(45,227,156,.22);
    }
    .quick-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#0b1d14;
      font-weight:900;
      background:linear-gradient(135deg, rgba(45,227,156,.18), rgba(24,195,199,.14));
      border:1px solid rgba(45,227,156,.18);
      box-shadow:0 8px 18px rgba(45,227,156,.08);
      margin-bottom:14px;
    }
    .quick-card h3{
      margin:0 0 8px;
      font-size:17px;
      color:var(--text-strong);
      line-height:1.3;
    }
    .quick-card p{
      margin:0;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.75;
    }
    .quick-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:12px;
      font-size:13px;
      color:#0f6a46;
      font-weight:700;
    }
    .quick-foot i{
      font-style:normal;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(45,227,156,.10);
      border:1px solid rgba(45,227,156,.18);
    }
    .timeline-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .timeline-overview,
    .info-card,
    .feature-large,
    .feature-small,
    .rule-card,
    .faq-panel,
    .note-card,
    .callout-card,
    .footer-box{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .timeline-overview{
      padding:22px;
    }
    .timeline-overview h3{
      margin:0 0 10px;
      font-size:22px;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .timeline-overview p{
      margin:0 0 18px;
      color:var(--text-soft);
      line-height:1.9;
    }
    .timeline-rail{
      position:relative;
      display:grid;
      gap:14px;
      padding-left:18px;
    }
    .timeline-rail::before{
      content:"";
      position:absolute;
      left:5px;
      top:5px;
      bottom:5px;
      width:2px;
      background:linear-gradient(180deg, rgba(45,227,156,.2), rgba(24,195,199,.65), rgba(246,163,68,.55));
    }
    .timeline-item{
      position:relative;
      padding:16px 18px 16px 18px;
      margin-left:10px;
      border-radius:18px;
      background:linear-gradient(180deg, #fff, #fbfcfc);
      border:1px solid rgba(20,28,38,.08);
    }
    .timeline-item::before{
      content:"";
      position:absolute;
      left:-22px;
      top:20px;
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--accent);
      border:3px solid #edf2ef;
      box-shadow:0 0 0 3px rgba(45,227,156,.12);
    }
    .timeline-item strong{
      display:block;
      margin-bottom:6px;
      color:var(--text-strong);
      font-size:16px;
    }
    .timeline-item p{
      margin:0;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.8;
    }
    .timeline-side{
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .side-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at top right, rgba(45,227,156,.10), transparent 26%),
        radial-gradient(circle at bottom left, rgba(24,195,199,.08), transparent 30%);
      pointer-events:none;
    }
    .side-card > *{position:relative;z-index:1}
    .side-card h3{
      margin:0 0 12px;
      font-size:20px;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .bullet-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .bullet-list li{
      position:relative;
      padding-left:18px;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.75;
    }
    .bullet-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:10px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 5px rgba(24,195,199,.10);
    }
    .inline-pills{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(45,227,156,.12);
      color:#0f6a46;
      border:1px solid rgba(45,227,156,.16);
      font-size:13px;
      font-weight:700;
    }
    .dual-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .info-card{
      padding:22px;
      overflow:hidden;
      position:relative;
    }
    .info-card::after{
      content:"";
      position:absolute;
      top:-30px;
      right:-30px;
      width:110px;
      height:110px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(246,163,68,.12), transparent 66%);
      pointer-events:none;
    }
    .info-card > *{position:relative;z-index:1}
    .info-card h3{
      margin:0 0 12px;
      font-size:22px;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .info-card .subtitle{
      margin:0 0 16px;
      color:var(--text-soft);
      line-height:1.8;
      font-size:14px;
    }
    .check-grid{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-grid li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 14px;
      background:var(--bg-soft);
      border:1px solid rgba(20,28,38,.08);
      border-radius:16px;
      color:var(--text);
      font-size:14px;
      line-height:1.7;
    }
    .check-grid li strong{
      color:var(--text-strong);
    }
    .check-icon{
      width:24px;
      height:24px;
      border-radius:50%;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      background:rgba(45,227,156,.14);
      color:#0e6d49;
      font-size:12px;
      font-weight:900;
      margin-top:2px;
    }
    .rule-card{
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .rule-card h3{
      margin:0 0 10px;
      font-size:22px;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .rule-card p{
      margin:0 0 16px;
      color:var(--text-soft);
      line-height:1.85;
      font-size:14px;
    }
    .rule-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .rule-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:16px;
      background:linear-gradient(180deg, #fff, #fbfcfc);
      border:1px solid rgba(20,28,38,.08);
    }
    .rule-badge{
      width:34px;
      height:34px;
      border-radius:12px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      background:rgba(24,195,199,.12);
      color:#0a6271;
      font-weight:900;
    }
    .rule-list strong{
      display:block;
      color:var(--text-strong);
      margin-bottom:4px;
      font-size:14px;
    }
    .rule-list span{
      display:block;
      color:var(--text-soft);
      font-size:13px;
      line-height:1.65;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .feature-large{
      position:relative;
      overflow:hidden;
      min-height:380px;
    }
    .feature-large figure{
      margin:0;
      height:100%;
      min-height:380px;
      position:relative;
    }
    .feature-large img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-large .shade{
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(12,16,22,.08), rgba(12,16,22,.82)),
        linear-gradient(135deg, rgba(45,227,156,.1), transparent 40%);
    }
    .feature-large .text{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      padding:24px;
      color:#fff;
      z-index:1;
    }
    .feature-large .text h3{
      margin:10px 0 8px;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .feature-large .text p{
      margin:0;
      max-width:42ch;
      color:#d6e4dd;
      line-height:1.8;
      font-size:14px;
    }
    .feature-stack{
      display:grid;
      gap:16px;
    }
    .feature-small{
      display:grid;
      grid-template-columns:118px 1fr;
      gap:0;
      overflow:hidden;
      min-height:116px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .feature-small:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(45,227,156,.22);
    }
    .feature-small img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:116px;
    }
    .feature-small .info{
      padding:16px 16px 14px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .feature-small .info .label{
      display:inline-flex;
      align-items:center;
      width:max-content;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(45,227,156,.12);
      color:#0f6a46;
      border:1px solid rgba(45,227,156,.16);
      font-size:12px;
      font-weight:800;
      margin-bottom:10px;
    }
    .feature-small h4{
      margin:0 0 6px;
      font-size:16px;
      line-height:1.35;
      color:var(--text-strong);
    }
    .feature-small p{
      margin:0;
      color:var(--text-soft);
      font-size:13px;
      line-height:1.65;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:20px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:18px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text-strong);
      line-height:1.45;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:30px;
      height:30px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(45,227,156,.12);
      color:#0d6a49;
      border:1px solid rgba(45,227,156,.16);
      transition:transform .22s ease, background .22s ease;
    }
    details[open] summary::after{
      content:"−";
      background:rgba(24,195,199,.14);
    }
    details[open] summary{
      border-bottom:1px solid rgba(20,28,38,.08);
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--text-soft);
      font-size:14px;
      line-height:1.85;
    }
    .note-card{
      padding:22px;
      position:sticky;
      top:104px;
    }
    .note-card h3{
      margin:0 0 10px;
      font-size:22px;
      color:var(--text-strong);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .note-card p{
      margin:0 0 16px;
      color:var(--text-soft);
      line-height:1.85;
      font-size:14px;
    }
    .note-list{
      display:grid;
      gap:10px;
      margin:0 0 18px;
      padding:0;
      list-style:none;
    }
    .note-list li{
      display:flex;
      gap:10px;
      color:var(--text);
      line-height:1.7;
      font-size:14px;
      padding:10px 12px;
      background:var(--bg-soft);
      border:1px solid rgba(20,28,38,.08);
      border-radius:14px;
    }
    .note-list li .mark{
      color:#0f6a46;
      font-weight:900;
    }
    .notice-wrap{
      padding:26px 0 74px;
    }
    .callout-card{
      background:
        linear-gradient(135deg, rgba(13,17,23,.94), rgba(17,24,32,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#eef7f3;
      padding:28px;
      overflow:hidden;
      position:relative;
    }
    .callout-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(13,17,23,.90), rgba(13,17,23,.80)),
        radial-gradient(circle at top right, rgba(45,227,156,.16), transparent 26%),
        radial-gradient(circle at bottom left, rgba(24,195,199,.12), transparent 30%);
      pointer-events:none;
    }
    .callout-card > *{position:relative;z-index:1}
    .callout-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .callout-text{
      max-width:760px;
    }
    .callout-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:#dff8ef;
      font-size:13px;
      font-weight:700;
      margin-bottom:12px;
    }
    .callout-card h3{
      margin:0 0 10px;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.03em;
      color:#fff;
    }
    .callout-card p{
      margin:0;
      color:#d5e3dc;
      line-height:1.9;
      font-size:15px;
    }
    .callout-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-self:center;
    }
    .site-footer{
      background:#0b1016;
      color:#c6d0d9;
      border-top:1px solid rgba(255,255,255,.08);
      padding:44px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:24px;
      align-items:start;
    }
    .footer-box{
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.08);
      box-shadow:none;
      padding:20px;
      height:100%;
    }
    .footer-title{
      margin:0 0 12px;
      color:#fff;
      font-size:16px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-brand .brand-mark::before{font-size:11px}
    .footer-desc{
      margin:0;
      color:#aeb9c4;
      line-height:1.9;
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .footer-links a{
      color:#d3dde7;
      transition:color .2s ease, transform .2s ease;
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
    }
    .footer-links a::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(45,227,156,.08);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
      outline:none;
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      padding-top:18px;
      margin-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#92a0ac;
      font-size:13px;
      line-height:1.7;
    }
    .footer-meta a{
      color:#dfe8ef;
      border-bottom:1px solid rgba(255,255,255,.18);
    }
    .footer-meta a:hover,
    .footer-meta a:focus-visible{
      color:#fff;
      border-bottom-color:#fff;
      outline:none;
    }
    .anchor-target{
      scroll-margin-top:104px;
    }
    .muted{
      color:var(--text-soft);
    }
    .visually-hidden{
      position:absolute!important;
      width:1px;height:1px;
      padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }
    @media (max-width: 1080px){
      .hero-inner,
      .timeline-grid,
      .feature-grid,
      .faq-grid,
      .footer-grid,
      .dual-grid{
        grid-template-columns:1fr;
      }
      .hero-panel{
        grid-template-columns:1fr;
      }
      .hero-stack{
        grid-template-rows:auto;
        grid-template-columns:1fr 1fr;
      }
      .note-card{
        position:static;
      }
      .quick-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .feature-large{
        min-height:340px;
      }
      .callout-inner{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width: 768px){
      .container{
        width:min(calc(100% - 28px), var(--container));
      }
      .topbar-inner,
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .site-header{
        position:static;
      }
      .nav{
        width:100%;
        justify-content:flex-start;
      }
      .hero-inner{
        padding:30px 0 30px;
        gap:20px;
      }
      .hero h1{
        max-width:none;
      }
      .hero-desc{
        font-size:15px;
      }
      .hero-stack{
        grid-template-columns:1fr;
      }
      .hero-summary{
        grid-template-columns:1fr;
      }
      .section{
        padding:58px 0;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .quick-grid{
        grid-template-columns:1fr;
      }
      .feature-small{
        grid-template-columns:96px 1fr;
      }
      .callout-card h3{
        font-size:24px;
      }
    }
    @media (max-width: 520px){
      .hero h1{
        font-size:30px;
      }
      .brand-name{
        font-size:15px;
        white-space:normal;
      }
      .brand-sub{
        white-space:normal;
      }
      .btn{
        width:100%;
      }
      .hero-actions{
        width:100%;
      }
      .hero-actions .btn{
        width:100%;
      }
      .nav a{
        padding:10px 12px;
      }
      .quick-card,
      .info-card,
      .rule-card,
      .timeline-overview,
      .note-card,
      .callout-card,
      .footer-box{
        padding:18px;
        border-radius:18px;
      }
      .feature-small{
        grid-template-columns:1fr;
      }
      .feature-small img{
        min-height:180px;
      }
      .footer-meta{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    .focus-ring:focus-visible{
      outline:3px solid rgba(45,227,156,.28);
      outline-offset:3px;
    }

/* roulang page: category1 */
:root{
      --bg:#f4f7fb;
      --bg-soft:#eaf0f6;
      --surface:#ffffff;
      --surface-2:#f8fbfe;
      --dark:#0d1117;
      --dark-2:#121826;
      --text:#13202f;
      --muted:#5d6b79;
      --line:#d9e2ec;
      --line-strong:#bfd0df;
      --primary:#24e0a0;
      --primary-2:#1eb9ff;
      --accent:#ffb24d;
      --danger:#f25f5c;
      --shadow:0 12px 30px rgba(14,24,38,.08);
      --shadow-hover:0 18px 40px rgba(14,24,38,.12);
      --radius:18px;
      --radius-sm:12px;
      --radius-lg:28px;
      --container:1180px;
      --space:24px;
      --space-lg:40px;
      --space-xl:64px;
      --transition:.24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(36,224,160,.09), transparent 30%),
        radial-gradient(circle at top right, rgba(30,185,255,.08), transparent 26%),
        linear-gradient(180deg, #0b1018 0, #101827 320px, var(--bg) 320px, var(--bg) 100%);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),transform var(--transition),border-color var(--transition),background var(--transition),box-shadow var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(36,224,160,.28);color:#071018}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .focus-ring:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
      outline:3px solid rgba(36,224,160,.34);
      outline-offset:3px;
      border-radius:12px;
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(140%) blur(12px);
      background:rgba(13,17,23,.76);
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .header-inner{
      min-height:76px;
      display:flex;align-items:center;justify-content:space-between;gap:20px;
    }
    .brand{display:flex;align-items:center;gap:14px;min-width:0}
    .brand-mark{
      width:44px;height:44px;border-radius:14px;flex:none;position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(36,224,160,.96), rgba(30,185,255,.92));
      box-shadow:0 10px 26px rgba(36,224,160,.2);
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;inset:auto;
      background:rgba(255,255,255,.85);
      border-radius:999px;
    }
    .brand-mark::before{width:18px;height:4px;left:13px;top:15px}
    .brand-mark::after{width:22px;height:4px;left:11px;bottom:14px}
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-name{
      font-size:16px;font-weight:800;line-height:1.1;color:#fff;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    }
    .brand-sub{font-size:12px;color:#9fb2c4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{
      color:#d6e1eb;font-size:14px;font-weight:600;
      padding:11px 14px;border-radius:999px;border:1px solid transparent;
      background:transparent;position:relative;
    }
    .nav a:hover{color:#fff;border-color:rgba(36,224,160,.24);background:rgba(255,255,255,.04);transform:translateY(-1px)}
    .nav a.active,[aria-current="page"]{color:#071018;background:linear-gradient(135deg, var(--primary), #7bf2c7);box-shadow:0 8px 18px rgba(36,224,160,.22)}
    .notice-bar{
      border-bottom:1px solid rgba(255,255,255,.06);
      background:rgba(255,255,255,.02);
    }
    .notice-inner{
      display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 0;color:#d6e1eb;font-size:13px;
    }
    .notice-pill{
      display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;
      background:rgba(36,224,160,.1);color:#b9ffe5;border:1px solid rgba(36,224,160,.14);
    }
    .notice-sep{opacity:.35}
    .hero{
      position:relative;overflow:hidden;
      padding:32px 0 34px;
    }
    .hero-shell{
      position:relative;border-radius:28px;overflow:hidden;
      background:
        linear-gradient(90deg, rgba(11,16,24,.92) 0%, rgba(11,16,24,.7) 48%, rgba(11,16,24,.44) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:0 24px 60px rgba(0,0,0,.24);
      border:1px solid rgba(255,255,255,.08);
    }
    .hero-shell::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(135deg, rgba(36,224,160,.12), transparent 28%),
        linear-gradient(315deg, rgba(30,185,255,.14), transparent 26%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch;padding:34px;
    }
    .breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:#c5d2df}
    .breadcrumbs a{color:#edf5fb;opacity:.9}
    .breadcrumbs span{opacity:.55}
    .page-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:700;
      border:1px solid rgba(255,255,255,.1);color:#dce8f2;background:rgba(255,255,255,.05);
    }
    .tag.primary{background:rgba(36,224,160,.12);color:#d4ffef;border-color:rgba(36,224,160,.2)}
    .tag.warn{background:rgba(255,178,77,.12);color:#ffe3bd;border-color:rgba(255,178,77,.22)}
    .tag.soft{background:rgba(30,185,255,.12);color:#d6f4ff;border-color:rgba(30,185,255,.18)}
    .hero-title{
      margin:18px 0 12px;color:#fff;
      font-size:clamp(30px, 4vw, 52px);line-height:1.08;letter-spacing:-.6px;font-weight:900;
      max-width:12em;
    }
    .hero-desc{
      margin:0;color:#d7e1ea;font-size:16px;max-width:46rem;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;font-weight:800;font-size:14px;letter-spacing:.1px;
      border:1px solid transparent;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn.primary{background:linear-gradient(135deg, var(--primary), #84f6cd);color:#071018}
    .btn.ghost{border-color:rgba(255,255,255,.18);color:#fff;background:rgba(255,255,255,.04)}
    .btn.ghost:hover{border-color:rgba(36,224,160,.36);background:rgba(36,224,160,.1)}
    .hero-note{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;color:#c4d1dd;font-size:13px
    }
    .hero-note span{
      padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)
    }
    .hero-panel{display:grid;gap:14px;align-content:stretch}
    .score-card,.info-card,.mini-grid .mini-card{
      background:rgba(10,15,23,.76);border:1px solid rgba(255,255,255,.08);border-radius:20px;box-shadow:0 18px 34px rgba(0,0,0,.18);backdrop-filter:blur(10px);
    }
    .score-card{padding:18px 18px 16px;display:grid;gap:14px}
    .score-head{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#b9cad8;font-size:13px}
    .score-head strong{color:#fff;font-size:14px}
    .score-row{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
    .team{display:flex;flex-direction:column;gap:6px}
    .team .name{color:#fff;font-size:15px;font-weight:800}
    .team .meta{font-size:12px;color:#aac0cf}
    .versus{display:flex;flex-direction:column;align-items:center;gap:8px;color:#d5e4ee;font-weight:900;letter-spacing:.24em}
    .versus .core{font-size:18px;color:#7bf2c7;letter-spacing:.08em}
    .score-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:#c6d5e0}
    .score-foot b{color:#fff}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-card{padding:16px}
    .mini-card h3{margin:0 0 8px;font-size:14px;color:#fff}
    .mini-card p{margin:0;color:#c8d7e2;font-size:13px;line-height:1.65}
    .mini-card .num{display:block;font-size:28px;font-weight:900;color:#7bf2c7;line-height:1.05;margin-top:8px}
    .main{padding:28px 0 0}
    .toolbar{
      display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:end;margin-top:-8px;
      padding:0 0 20px;
    }
    .section-title{margin:0;font-size:28px;line-height:1.15;color:#0f1a27;letter-spacing:-.4px}
    .section-desc{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:56rem}
    .filter-bar{
      display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;
    }
    .filter-bar .chip{
      border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-size:13px;font-weight:700;color:#304253;
      box-shadow:0 4px 12px rgba(14,24,38,.04);
    }
    .filter-bar .chip:hover{border-color:rgba(36,224,160,.34);color:#0f1a27;transform:translateY(-1px)}
    .layout{
      display:grid;grid-template-columns:1.12fr .48fr;gap:24px;align-items:start;
    }
    .content-stack{display:grid;gap:24px}
    .panel{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
    }
    .panel-head{
      display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg, #fff, #fbfdff);
    }
    .panel-head h2,.panel-head h3{margin:0;color:#0f1a27;line-height:1.2}
    .panel-head h2{font-size:20px}
    .panel-head h3{font-size:18px}
    .panel-head p{margin:6px 0 0;color:var(--muted);font-size:14px}
    .panel-body{padding:22px}
    .timeline{display:grid;gap:16px}
    .timeline-item{
      display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px 0;border-bottom:1px dashed var(--line);
    }
    .timeline-item:last-child{border-bottom:none;padding-bottom:0}
    .timeline-time{font-weight:900;color:#0f1a27;font-size:14px}
    .timeline-content h4{margin:0 0 6px;font-size:16px;color:#102131}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .timeline-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;
      background:var(--surface-2);border:1px solid var(--line);color:#405262;
    }
    .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .info-article{
      background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:20px;padding:18px;
    }
    .info-article h4{margin:0 0 10px;font-size:16px;color:#102131}
    .info-article p{margin:0;color:var(--muted);font-size:14px}
    .bullet-list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .bullet-list li{
      display:flex;gap:10px;align-items:flex-start;color:#314454;font-size:14px;
    }
    .bullet-list li::before{
      content:"";flex:none;margin-top:9px;width:8px;height:8px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 4px rgba(36,224,160,.12);
    }
    .feature-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:18px;
    }
    .feature-card{
      position:relative;overflow:hidden;border-radius:22px;background:#0f1724;color:#fff;min-height:310px;border:1px solid rgba(255,255,255,.08);
    }
    .feature-card .cover{
      position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(1.08);
      transform:scale(1.02);
    }
    .feature-card::after{
      content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(8,12,19,.9) 0%, rgba(8,12,19,.68) 54%, rgba(8,12,19,.28) 100%);
    }
    .feature-content{position:relative;z-index:1;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;min-height:310px}
    .feature-content h3{margin:8px 0 10px;font-size:24px;line-height:1.2}
    .feature-content p{margin:0;color:#d3e0ea;font-size:14px;max-width:30rem}
    .feature-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .feature-meta .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#eef8ff}
    .stack-cards{display:grid;gap:18px}
    .stack-card{
      display:grid;grid-template-columns:160px 1fr;gap:16px;align-items:stretch;
      border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow);
    }
    .stack-card img{width:100%;height:100%;object-fit:cover;min-height:180px}
    .stack-body{padding:18px 18px 16px;display:flex;flex-direction:column;justify-content:space-between}
    .stack-body h3{margin:0 0 8px;font-size:18px;line-height:1.3;color:#102131}
    .stack-body p{margin:0;color:var(--muted);font-size:14px}
    .stack-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .stack-link{margin-top:16px;font-weight:800;color:#0d8f66;display:inline-flex;align-items:center;gap:6px}
    .stack-link:hover{color:#0a6f50}
    .sidebar{display:grid;gap:18px;position:sticky;top:96px}
    .side-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
    .side-card h3{margin:0;padding:18px 18px 14px;border-bottom:1px solid var(--line);font-size:18px;color:#102131;background:#fff}
    .side-card .inner{padding:18px}
    .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .stat{
      padding:14px;border-radius:16px;background:linear-gradient(180deg,#f9fcff,#f4f9ff);border:1px solid var(--line)
    }
    .stat strong{display:block;font-size:24px;line-height:1;color:#0e7e5a}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .quick-list{display:grid;gap:12px}
    .quick-item{
      padding:14px 14px 14px 16px;border-radius:16px;background:#f8fbfe;border:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;
    }
    .quick-item:hover{border-color:rgba(36,224,160,.3);transform:translateY(-1px)}
    .quick-item b{display:block;color:#102131;font-size:14px}
    .quick-item span{display:block;color:var(--muted);font-size:12px}
    .quick-dot{width:11px;height:11px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 4px rgba(36,224,160,.12);flex:none}
    .risk-box{
      border-radius:20px;padding:18px;background:linear-gradient(135deg, rgba(255,178,77,.12), rgba(242,95,92,.08));border:1px solid rgba(242,95,92,.16);
    }
    .risk-box h3{margin:0 0 10px;font-size:17px;color:#8a3d18}
    .risk-box p{margin:0;color:#7b4a2c;font-size:14px}
    .faq{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 6px 18px rgba(14,24,38,.04)
    }
    .faq-item summary{
      list-style:none;cursor:pointer;padding:16px 18px;font-weight:800;color:#102131;display:flex;align-items:center;justify-content:space-between;gap:12px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"＋";color:#0d8f66;font-size:18px;line-height:1}
    .faq-item[open] summary{border-bottom:1px solid var(--line);background:#fbfdff}
    .faq-item[open] summary::after{content:"－"}
    .faq-answer{padding:0 18px 16px;color:var(--muted);font-size:14px}
    .cta-banner{
      position:relative;overflow:hidden;border-radius:26px;background:
        linear-gradient(135deg, rgba(13,17,23,.96), rgba(16,24,39,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 44px rgba(0,0,0,.18);
    }
    .cta-inner{padding:26px;display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
    .cta-inner h2{margin:0 0 8px;font-size:24px;line-height:1.2}
    .cta-inner p{margin:0;color:#d4e1eb;max-width:50rem}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      margin-top:36px;background:#0b1018;color:#d6e1eb;border-top:1px solid rgba(255,255,255,.08)
    }
    .site-footer .container{padding-top:34px;padding-bottom:24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr .9fr;gap:24px}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-desc{margin:0;color:#9cadbb;font-size:14px;max-width:30rem}
    .footer-title{margin:0 0 14px;font-size:16px;color:#fff}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .footer-links a{color:#b8c8d6;font-size:14px}
    .footer-links a:hover{color:#7bf2c7}
    .footer-meta{
      margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
      display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;color:#91a2b2;font-size:13px
    }
    .footer-meta a{color:#cfe7f4}
    .footer-meta a:hover{color:#7bf2c7}
    .search-box{
      display:flex;gap:10px;align-items:center;justify-content:flex-end;
    }
    .search-box input{
      width:min(330px,100%);height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;padding:0 14px;color:#102131;box-shadow:0 6px 18px rgba(14,24,38,.04)
    }
    .search-box input::placeholder{color:#8b9cac}
    .search-box input:focus{border-color:rgba(36,224,160,.4);box-shadow:0 0 0 4px rgba(36,224,160,.12)}
    .search-box .btn{height:46px}
    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .thin-line{height:1px;background:linear-gradient(90deg, transparent, rgba(36,224,160,.38), transparent);margin:0}
    @media (max-width: 1100px){
      .hero-inner,.layout,.feature-grid,.footer-grid,.toolbar,.split-grid{grid-template-columns:1fr}
      .sidebar{position:static}
      .search-box{justify-content:flex-start}
      .filter-bar{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .header-inner{flex-direction:column;align-items:flex-start;padding:14px 0}
      .nav{justify-content:flex-start}
      .hero{padding:18px 0 24px}
      .hero-inner{padding:22px}
      .hero-title{max-width:100%}
      .score-row{grid-template-columns:1fr;gap:8px;text-align:left}
      .versus{align-items:flex-start;letter-spacing:.12em}
      .mini-grid,.grid-2{grid-template-columns:1fr}
      .stack-card{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .section-title{font-size:24px}
      .cta-inner h2{font-size:22px}
    }
    @media (max-width: 520px){
      .container{width:min(calc(100% - 22px), var(--container))}
      .hero-inner,.panel-body,.cta-inner{padding:18px}
      .nav a{padding:10px 12px;font-size:13px}
      .btn{width:100%}
      .hero-actions,.cta-actions,.search-box{width:100%}
      .search-box input{width:100%}
      .panel-head{padding:16px 18px 12px;align-items:flex-start;flex-direction:column}
      .page-tag-row,.hero-actions,.hero-note,.filter-bar{gap:8px}
      .cta-inner{gap:14px}
    }