/* roulang page: index */
:root{
      --bg:#120f14;
      --bg-2:#17141a;
      --bg-3:#1f1b22;
      --panel:#1b1820;
      --panel-2:#221d27;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.14);
      --text:#f3eadf;
      --muted:#b9ada0;
      --soft:#8f8477;
      --accent:#c79a58;
      --accent-2:#a65c68;
      --accent-3:#d8b27a;
      --shadow:0 18px 50px rgba(0,0,0,.35);
      --shadow-soft:0 10px 26px rgba(0,0,0,.24);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --gap-xs:10px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
      background:
        radial-gradient(1200px 700px at 15% 10%, rgba(199,154,88,.12), transparent 55%),
        radial-gradient(900px 520px at 85% 0%, rgba(166,92,104,.12), transparent 50%),
        linear-gradient(180deg, #151219 0%, #120f14 48%, #100d12 100%);
      color:var(--text);
      line-height:1.78;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease),opacity .24s var(--ease)}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(199,154,88,.28);color:#fff}
    :focus{outline:none}
    :focus-visible{
      outline:2px solid rgba(216,178,122,.95);
      outline-offset:3px;
      box-shadow:0 0 0 4px rgba(199,154,88,.18);
    }
    .skip-link{
      position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{
      left:18px;top:18px;width:auto;height:auto;padding:12px 16px;
      background:#241f28;border:1px solid var(--line-2);border-radius:12px;z-index:1000;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .section{
      padding:28px 0;
    }
    .section-lg{
      padding:42px 0;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      color:var(--accent-3);
      background:rgba(199,154,88,.08);
      border:1px solid rgba(199,154,88,.18);
      font-size:13px;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.16);
    }
    .section-title{
      margin:0;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-subtitle{
      margin:12px 0 0;
      color:var(--muted);
      font-size:15px;
      max-width:72ch;
    }
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(120%);
      background:rgba(16,13,18,.9);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:72px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
      font-weight:800;letter-spacing:.02em;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:13px;flex:none;
      display:grid;place-items:center;
      background:
        linear-gradient(145deg, rgba(199,154,88,.95), rgba(166,92,104,.9));
      box-shadow:0 12px 24px rgba(199,154,88,.15);
      color:#160f12;
      font-weight:900;
    }
    .brand-text{
      font-size:16px;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      max-width:42vw;
    }
    .site-nav{
      display:flex;align-items:center;gap:18px;
    }
    .nav-links{
      display:flex;align-items:center;gap:12px;
    }
    .nav-links a{
      padding:10px 12px;border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      font-size:14px;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:var(--text);
      background:rgba(199,154,88,.12);
      border-color:rgba(199,154,88,.22);
    }
    .header-actions{
      display:flex;align-items:center;gap:10px;flex:none;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      cursor:pointer;
      user-select:none;
    }
    .btn-primary{
      color:#1d1410;
      background:linear-gradient(135deg, var(--accent), #d7b37c);
      box-shadow:0 14px 28px rgba(199,154,88,.18);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      box-shadow:0 18px 32px rgba(199,154,88,.24);
    }
    .btn-primary:active{transform:translateY(1px)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.1);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
      transform:translateY(-1px);
    }
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:var(--text);
      align-items:center;justify-content:center;
      cursor:pointer;
    }
    .menu-toggle span{
      position:relative;width:18px;height:2px;background:currentColor;border-radius:999px;
      display:block;
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:999px;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}
    .hero{
      position:relative;
      padding:28px 0 10px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(17,14,20,.92), rgba(23,20,27,.82)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(800px 420px at 12% 18%, rgba(199,154,88,.12), transparent 58%),
        radial-gradient(760px 420px at 85% 20%, rgba(166,92,104,.12), transparent 52%),
        linear-gradient(180deg, rgba(18,15,20,.08), rgba(18,15,20,.3));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns: minmax(0,1.08fr) minmax(320px,.92fr);
      gap:26px;
      padding:34px;
      align-items:center;
    }
    .hero-copy{
      position:relative;
      z-index:1;
      padding-right:12px;
    }
    .hero h1{
      margin:14px 0 14px;
      font-size:clamp(34px, 4.4vw, 62px);
      line-height:1.04;
      letter-spacing:-.03em;
      max-width:11.5em;
    }
    .hero-lead{
      margin:0;
      color:#ddd3c6;
      font-size:16px;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;flex-wrap:wrap;gap:12px;
      margin-top:24px;
    }
    .hero-points{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:22px;
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 13px;border-radius:999px;
      font-size:13px;
      color:#e8dfd2;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .pill i{
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.12);
      display:inline-block;
    }
    .hero-media{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:14px;
      align-items:stretch;
    }
    .hero-stack{
      display:grid;
      gap:14px;
    }
    .media-card{
      position:relative;
      overflow:hidden;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      min-height:160px;
      box-shadow:var(--shadow-soft);
      transform:translateZ(0);
    }
    .media-card::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(16,13,18,.02), rgba(16,13,18,.42));
      pointer-events:none;
    }
    .media-card img{
      width:100%;height:100%;object-fit:cover;
      transition:transform .45s var(--ease), filter .45s var(--ease);
      filter:saturate(.98) contrast(1.02);
    }
    .media-card:hover img{transform:scale(1.03)}
    .media-caption{
      position:absolute;left:14px;right:14px;bottom:14px;z-index:1;
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      padding:10px 12px;border-radius:16px;
      background:linear-gradient(180deg, rgba(28,24,32,.64), rgba(22,18,24,.84));
      border:1px solid rgba(255,255,255,.08);
      color:#f6ede0;
      font-size:13px;
      backdrop-filter:none;
    }
    .media-caption strong{font-size:14px}
    .media-card.tall{min-height:356px}
    .media-card.small{min-height:171px}
    .hero-note{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:12px;
      margin-top:16px;
    }
    .note-item{
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }
    .note-item b{
      display:block;
      font-size:16px;
      margin-bottom:4px;
      color:#f6efe3;
    }
    .note-item span{
      color:var(--muted);
      font-size:13px;
    }
    .strip{
      padding:10px 0 0;
    }
    .strip-inner{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .strip-card{
      padding:16px 18px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .strip-card .label{
      color:var(--accent-3);
      font-size:13px;
      margin-bottom:8px;
      display:block;
    }
    .strip-card .value{
      font-size:18px;
      font-weight:800;
      line-height:1.2;
      margin:0;
    }
    .strip-card .desc{
      margin:8px 0 0;
      font-size:13px;
      color:var(--muted);
    }
    .split{
      display:grid;
      grid-template-columns: minmax(0,1fr) minmax(360px,.95fr);
      gap:24px;
      align-items:start;
    }
    .panel{
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      border-radius:26px;
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .panel-head{
      display:flex;align-items:end;justify-content:space-between;gap:16px;
      margin-bottom:18px;
    }
    .panel-head .section-subtitle{margin-top:8px}
    .tag-row{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      color:#e8ddcf;
      font-size:13px;
      background:rgba(199,154,88,.08);
      border:1px solid rgba(199,154,88,.15);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .feature-card{
      padding:18px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-3px);
      border-color:rgba(199,154,88,.2);
      box-shadow:0 18px 38px rgba(0,0,0,.26);
    }
    .feature-icon{
      width:44px;height:44px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(199,154,88,.22), rgba(166,92,104,.16));
      border:1px solid rgba(199,154,88,.18);
      color:var(--accent-3);
      margin-bottom:14px;
      font-size:18px;
    }
    .feature-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.2;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .feature-list{
      list-style:none;padding:0;margin:14px 0 0;
      display:grid;gap:10px;
      color:#e8dfd2;
      font-size:14px;
    }
    .feature-list li{
      display:flex;gap:10px;align-items:flex-start;
      padding:10px 12px;border-radius:14px;
      background:rgba(255,255,255,.025);
      border:1px solid rgba(255,255,255,.06);
    }
    .feature-list li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      margin-top:8px;flex:none;
      box-shadow:0 0 0 4px rgba(199,154,88,.12);
    }
    .latest-wrap{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-card{
      display:block;
      padding:18px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }
    .news-card:hover{
      transform:translateY(-2px);
      border-color:rgba(199,154,88,.2);
      box-shadow:0 16px 34px rgba(0,0,0,.24);
    }
    .news-top{
      display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;
      margin-bottom:10px;
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      min-height:30px;padding:0 10px;border-radius:999px;
      font-size:12px;font-weight:700;
      color:#f4e7d6;
      background:rgba(166,92,104,.14);
      border:1px solid rgba(166,92,104,.18);
    }
    .news-time{
      color:var(--soft);
      font-size:12px;
    }
    .news-card h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
      letter-spacing:-.01em;
      color:#faf2e7;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-card p{
      margin:10px 0 14px;
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-foot{
      display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
      color:var(--accent-3);
      font-size:13px;
      font-weight:700;
    }
    .news-foot span{
      display:inline-flex;align-items:center;gap:6px;
    }
    .news-side{
      display:grid;
      gap:16px;
    }
    .side-card{
      border-radius:22px;
      overflow:hidden;
      background:var(--panel);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .side-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .side-card:hover img{transform:scale(1.03)}
    .side-body{
      padding:18px;
    }
    .side-body h3{
      margin:0 0 10px;
      font-size:18px;
    }
    .side-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.74;
    }
    .mini-links{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:14px;
    }
    .mini-links a{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:38px;padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#f0e6d9;
      font-size:13px;
    }
    .mini-links a:hover{
      background:rgba(199,154,88,.12);
      border-color:rgba(199,154,88,.18);
      transform:translateY(-1px);
    }
    .gallery-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .gallery-card{
      position:relative;
      overflow:hidden;
      min-height:250px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .gallery-card::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(9,7,10,.12), rgba(9,7,10,.68));
      pointer-events:none;
    }
    .gallery-card img{
      width:100%;height:100%;object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .gallery-card:hover img{transform:scale(1.04)}
    .gallery-copy{
      position:absolute;left:16px;right:16px;bottom:16px;z-index:1;
    }
    .gallery-copy .badge{margin-bottom:10px}
    .gallery-copy h3{
      margin:0 0 8px;
      font-size:19px;
      line-height:1.26;
      color:#fff5e7;
    }
    .gallery-copy p{
      margin:0;
      color:#e5d9c8;
      font-size:14px;
      line-height:1.7;
      max-width:32ch;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      font-weight:700;
      color:#f7efe1;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary::after{
      content:"+";
      width:28px;height:28px;display:grid;place-items:center;
      border-radius:10px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:var(--accent-3);
      flex:none;
      transition:transform .24s var(--ease), background-color .24s var(--ease);
    }
    .faq[open] summary::after{
      content:"–";
      transform:rotate(0deg);
      background:rgba(199,154,88,.1);
    }
    .faq .answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .cta{
      margin-top:10px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      padding:30px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(199,154,88,.12), rgba(166,92,104,.08)),
        linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      box-shadow:var(--shadow);
    }
    .cta-box::before{
      content:"";
      position:absolute;inset:auto -100px -120px auto;
      width:280px;height:280px;border-radius:50%;
      background:radial-gradient(circle, rgba(199,154,88,.18), transparent 62%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      flex-wrap:wrap;
    }
    .cta h2{
      margin:10px 0 10px;
      font-size:32px;
      line-height:1.15;
    }
    .cta p{
      margin:0;
      color:#e4d8c8;
      max-width:60ch;
      font-size:15px;
    }
    .cta-actions{
      display:flex;flex-wrap:wrap;gap:12px;
    }
    .site-footer{
      margin-top:24px;
      padding:28px 0 34px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, transparent, rgba(255,255,255,.015));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr;
      gap:20px;
    }
    .footer-block{
      padding:4px 0;
    }
    .footer-block h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .footer-block p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#f0e4d5;
      font-size:14px;
      display:inline-flex;
      width:fit-content;
    }
    .footer-links a:hover{
      color:var(--accent-3);
      transform:translateX(2px);
    }
    .footer-meta{
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:13px;
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      align-items:center;
      justify-content:space-between;
    }
    .footer-meta strong{color:#f3eadf}
    .back-top{
      position:fixed;
      right:18px;
      bottom:18px;
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(24,20,27,.92);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:0 16px 34px rgba(0,0,0,.28);
      color:#f3eadf;
      z-index:20;
    }
    .back-top:hover{
      transform:translateY(-2px);
      border-color:rgba(199,154,88,.2);
    }
    .empty-state{
      padding:24px;
      border-radius:20px;
      border:1px dashed rgba(255,255,255,.16);
      background:rgba(255,255,255,.02);
      color:#ddd3c6;
      text-align:center;
      font-size:15px;
    }
    .topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .topline .section-title{font-size:26px}
    .topline .mini{
      color:var(--muted);
      font-size:13px;
    }
    .separator{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      margin:16px 0;
    }
    @media (max-width: 1200px){
      .hero-grid{grid-template-columns:1fr .95fr;padding:28px}
      .feature-grid,.gallery-grid,.footer-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .latest-wrap,.split{grid-template-columns:1fr}
      .hero-note,.strip-inner{grid-template-columns:repeat(2, minmax(0,1fr))}
    }
    @media (max-width: 992px){
      .hero h1{max-width:12.5em}
      .hero-media{grid-template-columns:1fr}
      .media-card.tall{min-height:280px}
      .hero-grid{gap:18px}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .site-nav{gap:10px}
      .nav-links{
        position:absolute;
        left:16px;right:16px;top:74px;
        padding:12px;
        border-radius:20px;
        background:rgba(17,14,20,.98);
        border:1px solid rgba(255,255,255,.08);
        box-shadow:var(--shadow);
        display:grid;
        gap:8px;
        opacity:0;
        transform:translateY(-8px);
        pointer-events:none;
        transition:opacity .2s var(--ease),transform .2s var(--ease);
      }
      .nav-links a{width:100%;justify-content:center;text-align:center}
      .site-nav.is-open .nav-links{
        opacity:1;
        transform:translateY(0);
        pointer-events:auto;
      }
      .menu-toggle{display:inline-flex}
      .header-actions .btn-secondary{display:none}
      .hero-grid{padding:22px}
      .hero h1{font-size:clamp(30px, 8vw, 44px)}
      .hero-lead,.section-subtitle,.cta p{font-size:14px}
      .feature-grid,.gallery-grid,.footer-grid,.hero-note,.strip-inner{grid-template-columns:1fr}
      .panel{padding:18px}
      .cta-box{padding:22px}
      .cta h2{font-size:26px}
      .section{padding:22px 0}
      .section-lg{padding:34px 0}
      .topline{flex-direction:column;align-items:flex-start}
      .brand-text{max-width:56vw}
    }
    @media (max-width: 576px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .header-inner{min-height:66px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand-text{font-size:15px;max-width:60vw}
      .btn{min-height:44px;padding:0 14px;font-size:14px}
      .hero-shell{border-radius:24px}
      .hero-grid{padding:18px}
      .hero h1{font-size:31px}
      .hero-actions,.cta-actions{width:100%}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .note-item,.strip-card,.feature-card,.news-card,.side-card,.faq summary,.faq .answer{padding-left:14px;padding-right:14px}
      .media-card.tall{min-height:220px}
      .gallery-card{min-height:210px}
      .section-title{font-size:24px}
      .cta h2{font-size:24px}
      .footer-meta{flex-direction:column;align-items:flex-start}
      .back-top{right:14px;bottom:14px}
    }

/* roulang page: article */
:root{
      --bg:#120f14;
      --bg-2:#17141a;
      --bg-3:#1f1b22;
      --panel:#1b1820;
      --panel-2:#221d27;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.14);
      --text:#f3eadf;
      --muted:#b9ada0;
      --soft:#8f8477;
      --accent:#c79a58;
      --accent-2:#a65c68;
      --accent-3:#d8b27a;
      --shadow:0 18px 50px rgba(0,0,0,.35);
      --shadow-soft:0 10px 26px rgba(0,0,0,.24);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --gap-xs:10px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
      background:
        radial-gradient(1200px 700px at 15% 10%, rgba(199,154,88,.12), transparent 55%),
        radial-gradient(900px 520px at 85% 0%, rgba(166,92,104,.12), transparent 50%),
        linear-gradient(180deg, #151219 0%, #120f14 48%, #100d12 100%);
      color:var(--text);
      line-height:1.78;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    *{box-sizing:border-box}
    ::selection{background:rgba(199,154,88,.28);color:var(--text)}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease),opacity .24s var(--ease)}
    a:hover{text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .section{padding:28px 0}
    .section-lg{padding:42px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      color:var(--accent-3);
      background:rgba(199,154,88,.08);
      border:1px solid rgba(199,154,88,.18);
      font-size:13px;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.16);
    }
    .section-title{
      margin:0;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-subtitle{
      margin:12px 0 0;
      color:var(--muted);
      font-size:15px;
      max-width:72ch;
    }
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(120%) blur(10px);
      background:rgba(16,13,18,.9);
      border-bottom:1px solid rgba(255,255,255,.06);
      transition:box-shadow .2s var(--ease), background-color .2s var(--ease);
    }
    body.scrolled .site-header{box-shadow:0 10px 30px rgba(0,0,0,.22)}
    .header-inner{
      min-height:72px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
      font-weight:800;letter-spacing:.02em;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:13px;flex:none;
      display:grid;place-items:center;
      background:
        linear-gradient(145deg, rgba(199,154,88,.95), rgba(166,92,104,.9));
      box-shadow:0 12px 24px rgba(199,154,88,.15);
      color:#160f12;
      font-weight:900;
      font-size:18px;
    }
    .brand-text{
      font-size:16px;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
      max-width:42vw;
    }
    .site-nav{
      display:flex;align-items:center;gap:18px;
      position:relative;
    }
    .nav-links{
      display:flex;align-items:center;gap:12px;
    }
    .nav-links a{
      padding:10px 12px;border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      font-size:14px;
      line-height:1;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-links a.active{
      color:var(--text);
      background:rgba(199,154,88,.12);
      border-color:rgba(199,154,88,.22);
    }
    .header-actions{
      display:flex;align-items:center;gap:10px;flex:none;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(216,178,122,.18), 0 0 0 1px rgba(216,178,122,.4) inset;
    }
    .btn-primary{
      color:#1d1410;
      background:linear-gradient(135deg, var(--accent), #d7b37c);
      box-shadow:0 14px 28px rgba(199,154,88,.18);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      box-shadow:0 18px 32px rgba(199,154,88,.24);
      color:#1d1410;
    }
    .btn-primary:active{transform:translateY(1px)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.1);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
      transform:translateY(-1px);
      color:var(--text);
    }
    .btn-ghost{
      color:var(--text);
      background:transparent;
      border-color:rgba(255,255,255,.12);
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.18);
      transform:translateY(-1px);
      color:var(--text);
    }
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:var(--text);
      align-items:center;justify-content:center;
      cursor:pointer;
    }
    .menu-toggle:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(216,178,122,.18);
    }
    .menu-toggle span{
      position:relative;width:18px;height:2px;background:currentColor;border-radius:999px;
      display:block;
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:999px;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}

    .article-hero{
      padding:30px 0 10px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(17,14,20,.92), rgba(23,20,27,.82)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(800px 420px at 12% 18%, rgba(199,154,88,.12), transparent 58%),
        radial-gradient(760px 420px at 85% 20%, rgba(166,92,104,.12), transparent 52%),
        linear-gradient(180deg, rgba(18,15,20,.06), rgba(18,15,20,.34));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
      gap:26px;
      align-items:stretch;
      padding:30px;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:20px;
      min-width:0;
    }
    .hero-copy h1{
      margin:14px 0 0;
      font-size:clamp(30px, 4.6vw, 58px);
      line-height:1.04;
      letter-spacing:-.04em;
      font-weight:900;
      max-width:11.6em;
    }
    .hero-copy p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
      max-width:68ch;
      line-height:1.82;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:6px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:6px;
    }
    .stat-chip{
      padding:14px 14px 13px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      min-width:0;
    }
    .stat-chip strong{
      display:block;
      font-size:16px;
      line-height:1.2;
      letter-spacing:-.01em;
    }
    .stat-chip span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.45;
    }
    .hero-visual{
      position:relative;
      display:grid;
      gap:12px;
      align-content:stretch;
    }
    .hero-cover{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:320px;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      background:var(--panel);
    }
    .hero-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.02);
      transition:transform .5s var(--ease);
      filter:saturate(1.02) contrast(1.02);
    }
    .hero-cover:hover img{transform:scale(1.06)}
    .hero-cover .cover-overlay{
      position:absolute;inset:auto 16px 16px 16px;
      padding:16px 16px 15px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(17,14,20,.15), rgba(17,14,20,.82));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 30px rgba(0,0,0,.26);
    }
    .cover-overlay .mini{
      display:inline-flex;
      gap:8px;
      align-items:center;
      color:var(--accent-3);
      font-size:12px;
      letter-spacing:.02em;
    }
    .cover-overlay .mini::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.14);
    }
    .cover-overlay strong{
      display:block;
      margin-top:8px;
      font-size:18px;
      line-height:1.35;
    }
    .cover-overlay p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }

    .article-shell{
      position:relative;
      margin-top:8px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:24px;
      align-items:start;
    }
    .article-card,
    .sidebar-card,
    .feature-card,
    .faq-card,
    .cta-card,
    .empty-state{
      background:linear-gradient(180deg, rgba(27,24,32,.96), rgba(23,20,27,.96));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .article-card{
      padding:26px;
      max-width:780px;
      width:100%;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--soft);
      font-size:13px;
      margin-bottom:18px;
    }
    .breadcrumb a{
      color:var(--muted);
    }
    .breadcrumb a:hover{color:var(--text)}
    .breadcrumb span.sep{opacity:.42}
    .article-title{
      margin:0;
      font-size:clamp(28px, 3.3vw, 44px);
      line-height:1.12;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      align-items:center;
      margin-top:16px;
      color:var(--muted);
      font-size:13px;
    }
    .meta-item{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
    }
    .meta-dot{
      width:5px;height:5px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.15);
      flex:none;
    }
    .article-lead{
      margin:20px 0 0;
      color:var(--muted);
      font-size:16px;
      line-height:1.9;
      max-width:70ch;
    }
    .article-cover{
      margin-top:22px;
      position:relative;
      overflow:hidden;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--bg-2);
      box-shadow:0 14px 34px rgba(0,0,0,.24);
    }
    .article-cover img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .article-cover:hover img{transform:scale(1.03)}
    .article-cover figcaption{
      padding:12px 16px 14px;
      color:var(--muted);
      font-size:13px;
      border-top:1px solid rgba(255,255,255,.07);
    }
    .article-body{
      margin-top:24px;
      max-width:760px;
      font-size:16px;
      line-height:1.86;
      color:var(--text);
    }
    .article-body :is(h2,h3,h4){
      margin:1.5em 0 .7em;
      line-height:1.22;
      letter-spacing:-.02em;
      color:var(--text);
    }
    .article-body h2{font-size:24px}
    .article-body h3{font-size:20px}
    .article-body h4{font-size:18px}
    .article-body p{margin:0 0 1.05em;color:var(--text)}
    .article-body p:last-child{margin-bottom:0}
    .article-body a{
      color:var(--accent-3);
      border-bottom:1px solid rgba(216,178,122,.34);
    }
    .article-body a:hover{
      color:#f5d7a9;
      border-bottom-color:rgba(245,215,169,.7);
    }
    .article-body ul,
    .article-body ol{
      padding-left:1.25em;
      margin:0 0 1.1em;
      color:var(--text);
    }
    .article-body li{margin-bottom:.45em}
    .article-body blockquote{
      margin:1.3em 0;
      padding:18px 18px 18px 20px;
      border-left:3px solid var(--accent);
      background:rgba(199,154,88,.08);
      color:#f6e8d6;
      border-radius:0 16px 16px 0;
    }
    .article-body hr{
      border:none;
      border-top:1px solid rgba(255,255,255,.1);
      margin:1.6em 0;
    }
    .article-body img{
      width:100%;
      height:auto;
      border-radius:18px;
      margin:1.1em 0;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 28px rgba(0,0,0,.22);
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.2em 0;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.02);
    }
    .article-body th,
    .article-body td{
      padding:12px 14px;
      border-bottom:1px solid rgba(255,255,255,.08);
      text-align:left;
      color:var(--text);
    }
    .article-body th{
      background:rgba(255,255,255,.04);
      color:#f6ead8;
      font-weight:700;
    }
    .article-body tr:last-child td{border-bottom:none}
    .article-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      color:var(--muted);
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .chip::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(166,92,104,.14);
    }
    .article-footer-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
    }

    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:92px;
    }
    .sidebar-card{
      padding:18px;
    }
    .sidebar-title{
      margin:0 0 14px;
      font-size:18px;
      line-height:1.2;
      letter-spacing:-.01em;
    }
    .sidebar-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .sidebar-list a,
    .sidebar-list .item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:12px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.02);
      border:1px solid rgba(255,255,255,.06);
      color:var(--text);
    }
    .sidebar-list a:hover{
      transform:translateY(-1px);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.12);
    }
    .sidebar-list .item .bullet{
      width:10px;height:10px;border-radius:50%;
      margin-top:5px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(199,154,88,.12);
      flex:none;
    }
    .sidebar-list .item strong{
      display:block;
      font-size:14px;
      line-height:1.35;
      margin-bottom:4px;
    }
    .sidebar-list .item span{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .cover-mini{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--bg-2);
    }
    .cover-mini img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
    }
    .cover-mini .cover-mini-text{
      padding:14px 14px 15px;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .sidebar-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .sidebar-tags .chip{font-size:12px;padding:7px 11px}

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
      margin-top:22px;
    }
    .feature-card{
      overflow:hidden;
    }
    .feature-card figure{
      margin:0;
      position:relative;
    }
    .feature-card img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .feature-card:hover img{transform:scale(1.04)}
    .feature-body{
      padding:18px;
    }
    .feature-body h3{
      margin:0;
      font-size:18px;
      line-height:1.3;
      letter-spacing:-.01em;
    }
    .feature-body p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      min-height:4.95em;
    }
    .feature-body .btn{
      margin-top:14px;
      width:100%;
    }

    .faq-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .faq-card{
      padding:0;
      overflow:hidden;
    }
    .faq-card details{
      border-top:1px solid rgba(255,255,255,.08);
      background:transparent;
    }
    .faq-card details:first-child{border-top:none}
    .faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      color:var(--text);
      outline:none;
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary .mark{
      flex:none;
      width:26px;height:26px;
      display:grid;place-items:center;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:var(--accent-3);
      transition:transform .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
    }
    .faq-card details[open] summary .mark{transform:rotate(45deg);background:rgba(199,154,88,.12);border-color:rgba(199,154,88,.22)}
    .faq-card .answer{
      padding:0 18px 18px;
      color:var(--muted);
      line-height:1.85;
    }

    .cta-card{
      position:relative;
      overflow:hidden;
      padding:24px;
      background:
        linear-gradient(135deg, rgba(27,24,32,.94), rgba(25,22,29,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .cta-card::before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(18,15,20,.06), rgba(18,15,20,.28));
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:16px;
      align-items:center;
    }
    .cta-card h2{
      margin:0;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .cta-card p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:72ch;
      line-height:1.85;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }

    .empty-state{
      padding:34px 22px;
      text-align:center;
    }
    .empty-state h1{
      margin:0;
      font-size:32px;
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .empty-state p{
      margin:14px auto 0;
      max-width:60ch;
      color:var(--muted);
      line-height:1.8;
    }
    .empty-state .btn{
      margin-top:20px;
      min-width:180px;
    }

    .site-footer{
      margin-top:28px;
      padding:34px 0 22px;
      background:linear-gradient(180deg, rgba(18,15,20,.3), rgba(14,11,16,.92));
      border-top:1px solid rgba(255,255,255,.06);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr;
      gap:24px;
    }
    .footer-block{
      padding:0;
    }
    .footer-block h3{
      margin:0 0 14px;
      font-size:17px;
      line-height:1.2;
      color:var(--text);
      letter-spacing:-.01em;
    }
    .footer-block p{
      margin:0;
      color:var(--muted);
      line-height:1.82;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      padding:10px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:13px;
    }
    .footer-links a:hover{
      color:var(--text);
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.05);
      transform:translateY(-1px);
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:space-between;
      align-items:center;
      padding-top:18px;
      margin-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:13px;
      line-height:1.6;
    }
    .footer-meta strong{color:var(--text)}
    .footer-meta span{display:inline-flex;gap:4px;align-items:center}
    .anchor-offset{scroll-margin-top:92px}

    .nav-panel{
      display:none;
    }

    @media (max-width: 1200px){
      .hero-grid{grid-template-columns:minmax(0,1fr) 360px}
      .article-layout{grid-template-columns:minmax(0,1fr) 320px}
      .feature-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr 1fr}
    }
    @media (max-width: 992px){
      .hero-grid{grid-template-columns:1fr;gap:20px}
      .hero-cover{min-height:280px}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;top:auto}
      .feature-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-grid{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .header-inner{min-height:68px;gap:12px}
      .brand-text{max-width:48vw;font-size:15px}
      .header-actions{display:none}
      .menu-toggle{display:inline-flex}
      .site-nav{margin-left:auto}
      .nav-links{
        position:absolute;
        top:calc(100% + 10px);
        right:0;
        width:min(280px, calc(100vw - 24px));
        padding:10px;
        border-radius:18px;
        background:rgba(18,15,20,.98);
        border:1px solid rgba(255,255,255,.08);
        box-shadow:var(--shadow);
        display:none;
        flex-direction:column;
        align-items:stretch;
      }
      .site-nav.is-open .nav-links{display:flex}
      .nav-links a{
        width:100%;
        padding:12px 14px;
        justify-content:flex-start;
      }
      .hero-shell{border-radius:24px}
      .hero-grid{padding:22px}
      .hero-copy h1{max-width:none}
      .hero-stats{grid-template-columns:1fr}
      .article-card{padding:20px}
      .article-title{font-size:clamp(24px, 6vw, 38px)}
      .article-body{font-size:15px}
      .feature-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-meta{flex-direction:column;align-items:flex-start}
      .cta-card{padding:20px}
      .cta-card h2{font-size:24px}
    }
    @media (max-width: 576px){
      .section{padding:22px 0}
      .section-lg{padding:34px 0}
      .hero-grid{padding:18px}
      .hero-copy h1{font-size:30px}
      .hero-copy p{font-size:15px}
      .article-meta{gap:8px}
      .meta-item{padding:7px 10px;font-size:12px}
      .article-cover figcaption{font-size:12px}
      .article-footer-actions .btn,
      .hero-actions .btn,
      .cta-actions .btn{width:100%}
      .faq-card summary{padding:16px}
      .faq-card .answer{padding:0 16px 16px}
      .footer-links a{width:100%;text-align:center}
      .empty-state{padding:28px 18px}
      .empty-state h1{font-size:26px}
    }

    :is(a,button,input,textarea,select):focus-visible{
      outline:none;
    }
    .content-divider{
      height:1px;
      margin:22px 0;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
    }
    .panel-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:12px;
    }
    .panel-label strong{color:var(--text)}
    .tilt-hover{
      transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease), background-color .3s var(--ease);
    }
    .tilt-hover:hover{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.12);
      box-shadow:0 16px 36px rgba(0,0,0,.28);
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}
