/* roulang page: index */
:root{
      --bg:#0b0f12;
      --bg-2:#11171b;
      --bg-3:#151d22;
      --panel:#111a1f;
      --panel-2:#0f171b;
      --text:#eef4f1;
      --muted:#98a7a1;
      --soft:#c4d0cb;
      --line:rgba(196,208,203,.12);
      --line-2:rgba(196,208,203,.2);
      --accent:#1e7d68;
      --accent-2:#36a58a;
      --accent-3:#7ad3bf;
      --warn:#e68a3a;
      --silver:#b9c2be;
      --shadow:0 18px 48px rgba(0,0,0,.32);
      --shadow-soft:0 10px 28px rgba(0,0,0,.2);
      --radius:18px;
      --radius-sm:12px;
      --radius-lg:24px;
      --container:1200px;
      --gap:24px;
      --gap-sm:14px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Segoe UI,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 500px at 10% -10%, rgba(30,125,104,.24), transparent 55%),
        radial-gradient(800px 400px at 95% 10%, rgba(54,165,138,.16), transparent 50%),
        linear-gradient(180deg, #070a0d 0%, var(--bg) 38%, #0a1013 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      opacity:.18;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.25) 70%, transparent 100%);
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(30,125,104,.35);color:#fff}

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(8,12,14,.78);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .topbar{
      border-bottom:1px solid rgba(255,255,255,.05);
      background:linear-gradient(90deg, rgba(30,125,104,.12), rgba(255,255,255,.02));
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 0;
      color:var(--muted);
      font-size:13px;
    }
    .topbar-left,.topbar-right{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .topbar-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border:1px solid rgba(122,211,191,.18);
      border-radius:999px;
      background:rgba(18,26,31,.72);
      color:var(--soft);
    }
    .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(122,211,191,.12);
      flex:0 0 auto;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:44px;height:44px;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(30,125,104,.95), rgba(54,165,138,.72));
      box-shadow:0 14px 30px rgba(30,125,104,.28);
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:auto;
      border-radius:999px;
      background:rgba(255,255,255,.22);
    }
    .brand-mark::before{
      width:22px;height:4px;left:11px;top:12px;
    }
    .brand-mark::after{
      width:14px;height:14px;right:9px;bottom:9px;
      border:2px solid rgba(255,255,255,.38);
      background:transparent;
      transform:rotate(18deg);
    }
    .brand-text{
      min-width:0;
    }
    .brand-title{
      margin:0;
      font-size:17px;
      letter-spacing:.2px;
      line-height:1.2;
      font-weight:800;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      margin:4px 0 0;
      font-size:12px;
      color:var(--muted);
    }

    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--soft);
      border:1px solid transparent;
      background:transparent;
      font-size:14px;
      white-space:nowrap;
    }
    .nav a:hover,
    .nav a:focus-visible{
      border-color:rgba(122,211,191,.22);
      background:rgba(255,255,255,.04);
      color:#fff;
      transform:translateY(-1px);
      outline:none;
    }
    .nav a.active{
      color:#fff;
      border-color:rgba(54,165,138,.35);
      background:linear-gradient(180deg, rgba(30,125,104,.3), rgba(18,26,31,.9));
      box-shadow:0 10px 24px rgba(30,125,104,.16);
    }
    .menu-toggle{
      display:none;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#fff;
      border-radius:12px;
      width:44px;height:44px;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition:all .22s ease;
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      outline:none;
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      border-color:rgba(122,211,191,.25);
    }

    .hero{
      position:relative;
      padding:28px 0 22px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(7,10,13,.88), rgba(11,15,18,.76)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(7,10,13,.94) 0%, rgba(7,10,13,.76) 46%, rgba(7,10,13,.54) 100%);
      z-index:-1;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(700px 380px at 18% 20%, rgba(30,125,104,.18), transparent 60%),
        radial-gradient(500px 240px at 86% 18%, rgba(54,165,138,.12), transparent 55%);
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:var(--silver);
      font-size:13px;
      letter-spacing:.2px;
    }
    .eyebrow b{
      color:#fff;
      font-weight:700;
    }
    h1{
      margin:16px 0 12px;
      font-size:clamp(34px, 4vw, 58px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:900;
      max-width:12.5em;
    }
    .hero p{
      margin:0;
      max-width:42em;
      color:var(--soft);
      font-size:16px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.1px;
      cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      user-select:none;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      color:#08110e;
      background:linear-gradient(180deg, #7ad3bf, #38a38b);
      box-shadow:0 14px 34px rgba(30,125,104,.26);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 38px rgba(30,125,104,.34);
    }
    .btn-secondary{
      color:#f2f7f5;
      border-color:rgba(122,211,191,.26);
      background:rgba(255,255,255,.03);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(122,211,191,.42);
      background:rgba(255,255,255,.06);
    }
    .btn-small{
      min-height:40px;
      padding:0 14px;
      border-radius:12px;
      font-size:14px;
    }

    .hero-data{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .hero-feature{
      border:1px solid rgba(255,255,255,.08);
      border-radius:22px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(17,26,31,.96), rgba(10,15,18,.92));
      box-shadow:var(--shadow-soft);
      min-height:100%;
    }
    .feature-visual{
      position:relative;
      min-height:220px;
      background:
        linear-gradient(180deg, rgba(8,12,14,.08), rgba(8,12,14,.72)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .feature-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(7,10,13,.10), rgba(7,10,13,.48));
    }
    .feature-badge{
      position:absolute;
      left:16px;
      top:16px;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(7,10,13,.62);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      font-size:12px;
      backdrop-filter:blur(10px);
    }
    .feature-content{
      padding:18px;
    }
    .feature-title{
      margin:0 0 6px;
      font-size:20px;
      line-height:1.35;
      font-weight:800;
    }
    .feature-text{
      margin:0;
      color:var(--soft);
      font-size:14px;
      line-height:1.8;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:14px;
    }
    .mini-card{
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      background:linear-gradient(180deg, rgba(17,26,31,.86), rgba(13,19,23,.92));
      padding:16px;
    }
    .mini-label{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-bottom:8px;
    }
    .mini-value{
      font-size:24px;
      font-weight:900;
      line-height:1.1;
      margin:0;
      letter-spacing:-.02em;
    }
    .mini-desc{
      margin:8px 0 0;
      font-size:13px;
      color:var(--soft);
      line-height:1.65;
    }

    .section{
      padding:18px 0 34px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:26px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:58ch;
      font-size:14px;
    }

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .stat{
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      background:linear-gradient(180deg, rgba(17,26,31,.88), rgba(12,17,20,.94));
      padding:18px;
      box-shadow:var(--shadow-soft);
      min-height:150px;
      position:relative;
      overflow:hidden;
    }
    .stat::after{
      content:"";
      position:absolute;
      right:-24px;
      top:-24px;
      width:110px;height:110px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(30,125,104,.16), transparent 70%);
    }
    .stat-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#dfe8e4;
      font-size:12px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .stat-number{
      margin:16px 0 8px;
      font-size:28px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .stat-text{
      margin:0;
      color:var(--soft);
      font-size:13px;
      line-height:1.7;
    }

    .content-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:start;
    }
    .panel{
      border:1px solid rgba(255,255,255,.08);
      border-radius:24px;
      background:linear-gradient(180deg, rgba(17,26,31,.92), rgba(10,15,18,.94));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .panel-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:18px 20px 0;
    }
    .panel-title{
      margin:0;
      font-size:18px;
      font-weight:800;
    }
    .panel-sub{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .panel-body{
      padding:18px 20px 20px;
    }

    .timeline{
      display:grid;
      gap:14px;
      margin-top:10px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:92px 1fr;
      gap:14px;
      align-items:start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .timeline-time{
      font-size:12px;
      color:#d9e4df;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(30,125,104,.18);
      border:1px solid rgba(122,211,191,.18);
    }
    .timeline-item h3{
      margin:0 0 6px;
      font-size:15px;
      line-height:1.4;
    }
    .timeline-item p{
      margin:0;
      color:var(--soft);
      font-size:13px;
      line-height:1.75;
    }

    .feature-list{
      display:grid;
      gap:16px;
    }
    .topic-card{
      display:grid;
      grid-template-columns:180px 1fr;
      gap:16px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      overflow:hidden;
    }
    .topic-card.wide{
      grid-template-columns:220px 1fr;
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.03)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      position:relative;
      min-height:220px;
    }
    .topic-card.wide::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(11,15,18,.76), rgba(11,15,18,.44) 58%, rgba(11,15,18,.72));
    }
    .topic-card.wide > *{position:relative;z-index:1}
    .topic-image{
      border-radius:16px;
      overflow:hidden;
      min-height:132px;
      background:#0b1114;
    }
    .topic-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      aspect-ratio:16/10;
    }
    .topic-body{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      color:#d8e6e1;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .tag.hot{
      color:#ffd8ba;
      background:rgba(230,138,58,.12);
      border-color:rgba(230,138,58,.22);
    }
    .tag.ok{
      color:#c9f4e8;
      background:rgba(30,125,104,.14);
      border-color:rgba(122,211,191,.22);
    }
    .topic-body h3{
      margin:0;
      font-size:18px;
      line-height:1.4;
      font-weight:800;
    }
    .topic-body p{
      margin:0;
      color:var(--soft);
      font-size:14px;
      line-height:1.8;
    }
    .topic-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:12px;
    }

    .side-stack{
      display:grid;
      gap:16px;
    }
    .scoreboard{
      display:grid;
      gap:12px;
    }
    .score-row{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      gap:10px;
      align-items:center;
      padding:14px 15px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
    }
    .team{
      display:flex;
      flex-direction:column;
      gap:4px;
      min-width:0;
    }
    .team strong{
      font-size:14px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .team span{
      color:var(--muted);
      font-size:12px;
    }
    .vs{
      font-size:12px;
      color:var(--silver);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:7px 10px;
      min-width:60px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .status-bar{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      padding:16px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(30,125,104,.14), rgba(255,255,255,.03));
      border:1px solid rgba(122,211,191,.16);
    }
    .status-label{
      font-size:12px;
      color:#d8ece5;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .status-note{
      color:var(--soft);
      font-size:13px;
      line-height:1.7;
    }

    .link-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
    }
    .link-card{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(17,26,31,.88), rgba(12,17,20,.94));
      overflow:hidden;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
      box-shadow:var(--shadow-soft);
      min-height:100%;
    }
    .link-card:hover,
    .link-card:focus-within{
      transform:translateY(-3px);
      border-color:rgba(122,211,191,.22);
      box-shadow:0 18px 36px rgba(0,0,0,.26);
    }
    .link-card .pic{
      aspect-ratio:16/10;
      background:#0e1519;
      overflow:hidden;
    }
    .link-card .pic img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .link-card .body{
      padding:16px;
    }
    .link-card h3{
      margin:8px 0 8px;
      font-size:17px;
      line-height:1.45;
      font-weight:800;
    }
    .link-card p{
      margin:0;
      color:var(--soft);
      font-size:14px;
      line-height:1.8;
      min-height:56px;
    }
    .link-card .meta{
      display:flex;
      justify-content:space-between;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:12px;
      margin-top:14px;
    }

    .filter-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:8px 0 18px;
    }
    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--soft);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      font-size:13px;
      cursor:pointer;
      transition:all .22s ease;
    }
    .filter-chip:hover,
    .filter-chip:focus-visible{
      outline:none;
      transform:translateY(-1px);
      border-color:rgba(122,211,191,.25);
      background:rgba(255,255,255,.06);
    }
    .filter-chip.active{
      background:rgba(30,125,104,.18);
      border-color:rgba(122,211,191,.24);
      color:#fff;
    }

    .faq{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      padding:16px 18px;
      text-align:left;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      cursor:pointer;
    }
    .faq-q span{
      font-size:15px;
      line-height:1.5;
      font-weight:700;
    }
    .faq-icon{
      width:28px;height:28px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .faq-a{
      display:none;
      padding:0 18px 16px;
      color:var(--soft);
      font-size:14px;
      line-height:1.85;
    }
    .faq-item.open .faq-a{display:block}

    .cta{
      margin:8px 0 34px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(17,26,31,.95), rgba(10,15,18,.94)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-box::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(11,15,18,.88), rgba(11,15,18,.72) 44%, rgba(11,15,18,.86));
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:28px 30px;
    }
    .cta h2{
      margin:0 0 10px;
      font-size:28px;
      line-height:1.2;
      font-weight:900;
    }
    .cta p{
      margin:0;
      color:var(--soft);
      max-width:52ch;
      font-size:15px;
      line-height:1.8;
    }

    .site-footer{
      border-top:1px solid rgba(255,255,255,.07);
      background:linear-gradient(180deg, rgba(8,12,14,.2), rgba(8,12,14,.84));
      padding:30px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .9fr .85fr;
      gap:22px;
      padding-bottom:22px;
    }
    .footer-block{
      padding:0;
    }
    .footer-title{
      margin:0 0 14px;
      font-size:16px;
      font-weight:800;
    }
    .footer-text{
      margin:0;
      color:var(--soft);
      font-size:14px;
      line-height:1.9;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      width:fit-content;
      color:var(--soft);
      font-size:14px;
      padding:2px 0;
      border-bottom:1px solid transparent;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      border-color:rgba(122,211,191,.34);
      outline:none;
    }
    .footer-note{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      margin:18px 0;
    }

    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }

    @media (max-width: 1200px){
      .hero-inner{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .content-grid{grid-template-columns:1fr}
      .link-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width: 992px){
      .nav-wrap{gap:12px}
      .section-head{align-items:flex-start;flex-direction:column}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .topic-card{grid-template-columns:1fr}
      .topic-card.wide{grid-template-columns:1fr}
    }

    @media (max-width: 768px){
      .topbar-inner{flex-direction:column;align-items:flex-start}
      .nav-wrap{position:relative}
      .menu-toggle{display:inline-flex}
      .nav{
        position:absolute;
        right:0;
        top:calc(100% + 10px);
        width:min(320px, calc(100vw - 32px));
        padding:10px;
        border-radius:18px;
        border:1px solid rgba(255,255,255,.08);
        background:rgba(10,15,18,.96);
        box-shadow:var(--shadow);
        display:none;
        flex-direction:column;
        align-items:stretch;
      }
      .nav.open{display:flex}
      .nav a{justify-content:flex-start}
      .hero-inner{padding:24px}
      .hero p{font-size:15px}
      .mini-grid{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:1fr}
      .link-grid{grid-template-columns:1fr}
      .score-row{grid-template-columns:1fr;justify-items:start}
      .vs{min-width:auto}
      .cta h2{font-size:24px}
      .section-title{font-size:22px}
    }

    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .brand-mark{width:40px;height:40px}
      .brand-title{font-size:16px}
      .hero-shell{border-radius:22px}
      .hero-inner{padding:18px}
      h1{font-size:clamp(28px, 9vw, 40px)}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .panel-head,.panel-body{padding-left:16px;padding-right:16px}
      .cta-inner{padding:20px}
      .faq-q span{font-size:14px}
      .timeline-item{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
  --bg:#090d11;
  --bg-soft:#10161c;
  --panel:#111820;
  --panel-2:#151d26;
  --line:#253241;
  --line-soft:rgba(255,255,255,.08);
  --text:#e8edf2;
  --muted:#9aabbc;
  --dim:#708194;
  --brand:#3fb89d;
  --brand-2:#2b8f7b;
  --accent:#d7903d;
  --success:#45c087;
  --danger:#df6c57;
  --shadow:0 18px 42px rgba(0,0,0,.34);
  --shadow-soft:0 10px 24px rgba(0,0,0,.22);
  --radius:18px;
  --radius-sm:12px;
  --container:1180px;
  --gap:24px;
  --gap-sm:14px;
  --transition:.22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(63,184,157,.08), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(215,144,61,.06), transparent 24%),
    linear-gradient(180deg, #070b0e 0%, #0a0f13 100%);
  min-height:100vh;
  line-height:1.7;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:36px 36px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,.22));
  opacity:.28;
  z-index:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(63,184,157,.28);color:#fff}
.container{
  width:min(100% - 32px, var(--container));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(120%) blur(12px);
  background:rgba(8,12,16,.86);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0 10px;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.brand-mark{
  font-size:1.02rem;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.2;
}
.brand-sub{
  color:var(--muted);
  font-size:.88rem;
}
.topbar-badges{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:32px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:.84rem;
  letter-spacing:.01em;
  transition:transform var(--transition), background var(--transition), border-color var(--transition);
}
.badge:hover{transform:translateY(-1px);background:rgba(255,255,255,.07);border-color:rgba(63,184,157,.42)}
.badge.live{background:rgba(63,184,157,.12);border-color:rgba(63,184,157,.32)}
.badge.warn{background:rgba(215,144,61,.12);border-color:rgba(215,144,61,.28)}
.nav{
  display:flex;
  gap:10px;
  padding:0 0 14px;
}
.nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
  background:transparent;
  transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.nav a:hover,
.nav a:focus-visible{
  outline:none;
  transform:translateY(-1px);
  color:var(--text);
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.08);
}
.nav a.active{
  color:#081015;
  background:linear-gradient(135deg, var(--brand), #76d7c3);
  box-shadow:0 10px 24px rgba(63,184,157,.18);
}
.page{
  position:relative;
  z-index:1;
}
.hero{
  margin:22px 0 0;
  padding:34px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:28px;
  background:
    linear-gradient(180deg, rgba(9,13,17,.36), rgba(9,13,17,.86)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(300px,.95fr);
  gap:28px;
  align-items:stretch;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#dfe8ef;
  border:1px solid rgba(255,255,255,.1);
  font-size:.85rem;
  letter-spacing:.04em;
}
.hero h1{
  margin:16px 0 14px;
  font-size:clamp(2rem, 4vw, 4.15rem);
  line-height:1.05;
  letter-spacing:-.03em;
  max-width:12ch;
}
.hero p{
  margin:0;
  color:#c8d2dc;
  max-width:62ch;
  font-size:1.04rem;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:24px 0 0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:700;
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
  will-change:transform;
}
.btn:hover,.btn:focus-visible{
  outline:none;
  transform:translateY(-2px);
}
.btn-primary{
  background:linear-gradient(135deg, var(--brand), #6ed2bd);
  color:#071012;
  box-shadow:0 14px 28px rgba(63,184,157,.2);
}
.btn-primary:hover,.btn-primary:focus-visible{
  box-shadow:0 18px 32px rgba(63,184,157,.28);
}
.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.1);
}
.btn-secondary:hover,.btn-secondary:focus-visible{
  border-color:rgba(63,184,157,.4);
  background:rgba(63,184,157,.08);
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:26px;
}
.stat{
  padding:16px;
  border-radius:18px;
  background:rgba(8,12,16,.62);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
}
.stat .label{
  display:block;
  color:var(--muted);
  font-size:.84rem;
}
.stat strong{
  display:block;
  margin-top:8px;
  font-size:1.4rem;
  letter-spacing:-.02em;
}
.stat span{
  display:block;
  margin-top:4px;
  color:#bcc9d4;
  font-size:.9rem;
}
.hero-aside{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.hero-card{
  min-height:100%;
  padding:18px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(21,29,38,.92), rgba(12,17,23,.88));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  display:flex;
  flex-direction:column;
  gap:14px;
}
.hero-card .cover{
  border-radius:18px;
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid rgba(255,255,255,.08);
}
.hero-card .cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.scoreline{
  display:grid;
  gap:10px;
}
.scoreline-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
}
.scoreline-row b{
  font-size:1rem;
}
.scoreline-row small{
  color:var(--muted);
}
.scoreline-row .status{
  color:#061014;
  background:linear-gradient(135deg, #7ce2ca, #3fb89d);
  border-radius:999px;
  padding:6px 10px;
  font-size:.8rem;
  font-weight:800;
}
.section{
  padding:28px 0 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.section-head h2{
  margin:0;
  font-size:clamp(1.3rem, 2vw, 2rem);
  letter-spacing:-.02em;
}
.section-head p{
  margin:0;
  color:var(--muted);
  max-width:64ch;
}
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:16px;
  border-radius:22px;
  background:rgba(17,24,32,.82);
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--shadow-soft);
}
.filter-btn{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover,.filter-btn:focus-visible{
  outline:none;
  transform:translateY(-1px);
  color:var(--text);
  border-color:rgba(63,184,157,.38);
  background:rgba(63,184,157,.08);
}
.filter-btn.is-active{
  color:#071012;
  background:linear-gradient(135deg, #8be6d0, #4ec2a6);
  border-color:transparent;
  font-weight:800;
}
.split{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(290px,.9fr);
  gap:var(--gap);
  align-items:start;
}
.stack{
  display:grid;
  gap:var(--gap);
}
.panel{
  padding:22px;
  border-radius:24px;
  background:rgba(16,22,28,.84);
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--shadow-soft);
}
.panel-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.panel-title h3{
  margin:0;
  font-size:1.18rem;
}
.panel-title .mini{
  color:var(--muted);
  font-size:.9rem;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.topic-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:20px;
  background:linear-gradient(180deg, rgba(21,29,38,.96), rgba(13,18,24,.96));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  min-height:100%;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.topic-card:hover{
  transform:translateY(-3px);
  border-color:rgba(63,184,157,.28);
  box-shadow:0 18px 34px rgba(0,0,0,.34);
}
.topic-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#0b1116;
}
.topic-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .body{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:16px;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:.78rem;
  background:rgba(255,255,255,.05);
  color:#dce4eb;
  border:1px solid rgba(255,255,255,.08);
}
.tag.hot{background:rgba(215,144,61,.14);border-color:rgba(215,144,61,.26);color:#f1c58f}
.tag.green{background:rgba(63,184,157,.14);border-color:rgba(63,184,157,.24);color:#90ead5}
.topic-card h3{
  margin:0;
  font-size:1.08rem;
  line-height:1.35;
}
.topic-card p{
  margin:0;
  color:var(--muted);
  font-size:.94rem;
  min-height:3.3em;
}
.meta-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--dim);
  font-size:.86rem;
  padding-top:4px;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text);
  font-weight:700;
  margin-top:auto;
}
.card-link span{
  display:inline-grid;
  place-items:center;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(63,184,157,.14);
  color:#9bf0dd;
}
.timeline{
  display:grid;
  gap:14px;
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:14px;
  padding:16px;
  border-radius:18px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
}
.timeline-item::before{
  content:"";
  position:absolute;
  left:58px;
  top:14px;
  bottom:14px;
  width:1px;
  background:linear-gradient(180deg, rgba(63,184,157,.8), rgba(255,255,255,.06));
}
.timeline-time{
  position:relative;
  z-index:1;
  font-weight:800;
  color:#d8e6df;
  font-variant-numeric:tabular-nums;
}
.timeline-content h4{
  margin:0 0 6px;
  font-size:1rem;
}
.timeline-content p{
  margin:0;
  color:var(--muted);
  font-size:.92rem;
}
.side{
  display:grid;
  gap:var(--gap);
  position:sticky;
  top:116px;
}
.side-card{
  padding:20px;
  border-radius:22px;
  background:rgba(17,24,32,.82);
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--shadow-soft);
}
.side-card h3{
  margin:0 0 12px;
  font-size:1.08rem;
}
.status-list{
  display:grid;
  gap:12px;
}
.status-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.status-item:last-child{border-bottom:0;padding-bottom:0}
.status-item .k{
  color:var(--muted);
  font-size:.9rem;
}
.status-item .v{
  text-align:right;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.pill-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:#d8e2eb;
  font-size:.85rem;
}
.pill.warn{
  background:rgba(223,108,87,.12);
  color:#ffccbf;
  border-color:rgba(223,108,87,.22);
}
.note{
  color:var(--muted);
  font-size:.92rem;
  margin:0;
}
.score-panel{
  margin-top:14px;
  overflow:hidden;
}
.score-table{
  width:100%;
  border-collapse:collapse;
  font-size:.95rem;
}
.score-table th,.score-table td{
  padding:12px 10px;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.score-table th{
  color:#c8d2dc;
  font-weight:700;
  background:rgba(255,255,255,.02);
}
.score-table td{
  color:var(--text);
}
.score-table td:nth-child(2),
.score-table td:nth-child(3){
  font-variant-numeric:tabular-nums;
  font-weight:800;
}
.score-up{
  color:#88e0c9;
}
.score-down{
  color:#f0ae9d;
}
.faq-wrap{
  display:grid;
  gap:12px;
}
details.faq{
  border-radius:18px;
  background:rgba(17,24,32,.84);
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
details.faq[open]{border-color:rgba(63,184,157,.22)}
details.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-weight:700;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";
  display:inline-grid;
  place-items:center;
  width:28px;
  height:28px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
  color:#dbe5ec;
  flex:0 0 auto;
  transition:transform var(--transition), background var(--transition);
}
details.faq[open] summary::after{
  content:"–";
  background:rgba(63,184,157,.12);
  color:#9bf0dd;
}
.faq-body{
  padding:0 20px 18px;
  color:var(--muted);
}
.cta{
  margin:28px 0 6px;
  padding:24px;
  border-radius:24px;
  background:
    linear-gradient(135deg, rgba(63,184,157,.18), rgba(17,24,32,.92)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.cta h2{
  margin:0 0 10px;
  font-size:clamp(1.4rem, 2.5vw, 2.2rem);
}
.cta p{
  margin:0;
  color:#d7e1e9;
  max-width:64ch;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.site-footer{
  margin-top:28px;
  padding:28px 0 18px;
  border-top:1px solid rgba(255,255,255,.06);
  background:rgba(6,9,12,.86);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr;
  gap:24px;
}
.footer-title{
  margin:0 0 12px;
  font-size:1.02rem;
}
.footer-text{
  margin:0;
  color:var(--muted);
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 12px;
  border-radius:999px;
  color:#dce5ec;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  transition:transform var(--transition), border-color var(--transition), background var(--transition);
}
.footer-links a:hover,.footer-links a:focus-visible{
  outline:none;
  transform:translateY(-1px);
  border-color:rgba(63,184,157,.32);
  background:rgba(63,184,157,.08);
}
.footer-note{
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding-top:16px;
  color:#8393a3;
  font-size:.9rem;
  border-top:1px solid rgba(255,255,255,.06);
}
:focus-visible{
  outline:2px solid rgba(126,231,210,.72);
  outline-offset:2px;
}
@media (max-width: 1200px){
  .hero-grid,.split,.footer-grid{grid-template-columns:1fr}
  .side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 768px){
  .container{width:min(100% - 24px, var(--container))}
  .topbar{flex-direction:column;align-items:flex-start}
  .topbar-badges{justify-content:flex-start}
  .nav{overflow-x:auto;padding-bottom:12px}
  .nav a{white-space:nowrap}
  .hero{padding:22px;border-radius:22px}
  .hero h1{max-width:100%}
  .hero-stats{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr}
  .timeline-item::before{display:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-note{flex-direction:column}
}
@media (max-width: 520px){
  .hero-actions,.cta-actions{width:100%}
  .btn{width:100%}
  .section{padding-top:22px}
  .panel,.side-card,.topic-card .body,.hero-card,.cta{padding:18px}
  .score-table th,.score-table td{padding:10px 8px}
}