/* roulang page: index */
:root{
      --bg:#f4ede4;
      --bg-soft:#fbf7f2;
      --surface:#fffaf6;
      --surface-2:#f5ece3;
      --surface-3:#ead8cf;
      --text:#241718;
      --muted:#6e5a5a;
      --line:rgba(100,72,72,.16);
      --brand:#7a152d;
      --brand-2:#a62d43;
      --brand-3:#c45454;
      --accent:#e17d55;
      --accent-2:#f0a07b;
      --dark:#1f1516;
      --shadow:0 18px 42px rgba(60,24,27,.10);
      --shadow-soft:0 10px 24px rgba(60,24,27,.08);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      line-height:1.75;
      color:var(--text);
      background:
        radial-gradient(1100px 500px at 8% 0%, rgba(122,21,45,.12), transparent 60%),
        radial-gradient(900px 420px at 96% 10%, rgba(225,125,85,.10), transparent 55%),
        linear-gradient(180deg, #f8f1ea 0%, var(--bg) 100%);
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,summary{font:inherit}
    button{border:0;background:none;padding:0;cursor:pointer}
    ::selection{background:rgba(122,21,45,.16);color:var(--text)}
    .skip-link{
      position:absolute;left:-999px;top:12px;
      background:var(--dark);color:#fff;padding:10px 14px;border-radius:999px;z-index:1000;
    }
    .skip-link:focus{left:12px}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(10px);
      background:rgba(248,241,234,.86);
      border-bottom:1px solid rgba(100,72,72,.10);
    }
    .site-header-inner{
      min-height:76px;
      display:flex;align-items:center;justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.2px;
      color:var(--text);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        linear-gradient(145deg, rgba(122,21,45,.96), rgba(166,45,67,.88));
      box-shadow:0 12px 28px rgba(122,21,45,.22);
      position:relative;flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:auto;
      border-radius:999px;
      background:rgba(255,255,255,.92);
    }
    .brand-mark::before{width:10px;height:10px;left:10px;top:12px}
    .brand-mark::after{width:16px;height:16px;right:8px;bottom:8px}
    .brand-text{
      display:flex;flex-direction:column;line-height:1.1
    }
    .brand-text strong{
      font-size:1.02rem;
      display:block;
    }
    .brand-text span{
      font-size:.78rem;color:var(--muted);font-weight:500;margin-top:4px;
    }
    .site-nav{
      display:flex;align-items:center;gap:12px;
    }
    .nav-links{
      display:flex;align-items:center;gap:4px;
      padding:8px;
      border:1px solid rgba(100,72,72,.10);
      background:rgba(255,255,255,.60);
      border-radius:999px;
      box-shadow:0 8px 18px rgba(58,25,27,.04);
    }
    .nav-link{
      padding:10px 14px;
      color:var(--muted);
      font-weight:700;
      border-radius:999px;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--brand);
      background:rgba(122,21,45,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(145deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 20px rgba(122,21,45,.16);
    }
    .nav-actions{
      display:flex;align-items:center;gap:10px;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.2px;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{transform:translateY(-1px);outline:none}
    .btn-primary{
      color:#fff;
      background:linear-gradient(145deg, var(--brand), var(--brand-2));
      box-shadow:0 14px 28px rgba(122,21,45,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 16px 30px rgba(122,21,45,.24);
    }
    .btn-secondary{
      color:var(--brand);
      background:rgba(255,255,255,.68);
      border-color:rgba(122,21,45,.14);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:#fff;
      border-color:rgba(122,21,45,.24);
    }
    .btn-ghost{
      color:var(--muted);
      background:transparent;
      border-color:rgba(100,72,72,.14);
    }
    .nav-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(100,72,72,.14);
      color:var(--text);
      align-items:center;justify-content:center;
      box-shadow:0 8px 18px rgba(58,25,27,.05);
    }
    .nav-toggle svg{width:20px;height:20px}
    .hero{
      padding:28px 0 16px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      border:1px solid rgba(100,72,72,.12);
      background:
        linear-gradient(135deg, rgba(31,21,22,.74), rgba(122,21,45,.54)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::after{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg, rgba(18,10,10,.26), transparent 55%),
        radial-gradient(700px 240px at 90% 15%, rgba(240,160,123,.18), transparent 60%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;z-index:1;
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:28px;
      padding:34px;
      align-items:center;
      min-height:620px;
    }
    .hero-copy{
      color:#fff;
      max-width:640px;
    }
    .eyebrow{
      margin:0 0 14px;
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      color:rgba(255,255,255,.92);
      font-weight:700;
      letter-spacing:.2px;
      backdrop-filter:blur(8px);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(225,125,85,.18);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.3rem, 4.6vw, 4.8rem);
      line-height:1.03;
      letter-spacing:-.03em;
    }
    .hero-lead{
      margin:18px 0 0;
      font-size:1.05rem;
      line-height:1.9;
      color:rgba(255,255,255,.86);
      max-width:42em;
    }
    .hero-metrics{
      margin:24px 0 0;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .metric-pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      font-weight:700;
      backdrop-filter:blur(8px);
    }
    .metric-dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(145deg, #ffd2c1, var(--accent));
      box-shadow:0 0 0 5px rgba(225,125,85,.14);
    }
    .hero-actions{
      margin-top:28px;
      display:flex;flex-wrap:wrap;gap:12px;
    }
    .hero-actions .btn{
      padding:13px 20px;
    }
    .hero-note{
      margin-top:16px;
      display:flex;flex-wrap:wrap;gap:12px;
      color:rgba(255,255,255,.82);
      font-size:.95rem;
    }
    .hero-note span{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-visual{
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
      align-self:stretch;
    }
    .visual-stack{
      position:relative;
      min-height:100%;
      border-radius:26px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.10);
      box-shadow:0 22px 46px rgba(16,8,9,.22);
    }
    .visual-stack img{
      width:100%;
      height:100%;
      object-fit:cover;
      aspect-ratio: 4 / 5;
      filter:saturate(1.02) contrast(1.04);
    }
    .visual-stack .overlay{
      position:absolute;inset:auto 0 0 0;
      padding:20px;
      background:linear-gradient(180deg, transparent 0%, rgba(20,11,12,.78) 100%);
      color:#fff;
    }
    .overlay strong{
      display:block;font-size:1.12rem;line-height:1.35;margin-bottom:6px;
    }
    .overlay p{
      margin:0;color:rgba(255,255,255,.82);font-size:.95rem;line-height:1.7;
    }
    .small-card{
      position:absolute;
      right:18px;
      top:18px;
      width:min(52%, 240px);
      padding:14px;
      border-radius:18px;
      background:rgba(255,250,246,.92);
      color:var(--text);
      border:1px solid rgba(255,255,255,.55);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(10px);
    }
    .small-card .mini-label{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(122,21,45,.10);
      color:var(--brand);
      font-size:.78rem;
      font-weight:800;
      margin-bottom:8px;
    }
    .small-card strong{
      display:block;
      font-size:1rem;
      line-height:1.4;
      margin-bottom:6px;
    }
    .small-card span{
      display:block;color:var(--muted);font-size:.86rem;line-height:1.6;
    }
    .section{
      padding:28px 0;
    }
    .section-heading{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:18px;
      margin-bottom:18px;
    }
    .section-heading h2{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 2rem);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-heading p{
      margin:0;
      color:var(--muted);
      max-width:54ch;
      line-height:1.7;
      font-size:.98rem;
    }
    .micro-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:var(--gap);
    }
    .micro-card{
      position:relative;
      padding:20px;
      background:var(--surface);
      border:1px solid rgba(100,72,72,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height:132px;
      overflow:hidden;
    }
    .micro-card::before{
      content:"";
      position:absolute;inset:0 auto auto 0;
      width:72px;height:72px;
      background:radial-gradient(circle at 30% 30%, rgba(122,21,45,.16), transparent 70%);
      pointer-events:none;
    }
    .micro-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(122,21,45,.22);
    }
    .micro-icon{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(145deg, rgba(122,21,45,.10), rgba(225,125,85,.12));
      border:1px solid rgba(122,21,45,.12);
      color:var(--brand);
      margin-bottom:14px;
      font-weight:900;
    }
    .micro-card strong{
      display:block;
      font-size:1.02rem;
      margin-bottom:6px;
    }
    .micro-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.72;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .feature-main,
    .feature-side{
      display:grid;
      gap:var(--gap);
    }
    .content-card{
      position:relative;
      overflow:hidden;
      background:var(--surface);
      border-radius:22px;
      border:1px solid rgba(100,72,72,.12);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .content-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(122,21,45,.22);
    }
    .content-card a{
      display:grid;
      color:inherit;
      height:100%;
    }
    .content-media{
      position:relative;
      overflow:hidden;
      aspect-ratio: 16 / 10;
      background:var(--surface-2);
    }
    .content-media::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(20,11,12,.18) 100%);
      pointer-events:none;
    }
    .content-media img{
      width:100%;height:100%;object-fit:cover;
      transform:scale(1.01);
      transition:transform .5s ease;
    }
    .content-card:hover .content-media img{transform:scale(1.05)}
    .card-body{
      padding:18px 18px 20px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .card-tags{
      display:flex;flex-wrap:wrap;gap:8px;
    }
    .tag{
      display:inline-flex;align-items:center;
      padding:5px 10px;
      border-radius:999px;
      font-size:.78rem;
      line-height:1;
      font-weight:800;
      letter-spacing:.02em;
      color:var(--brand);
      background:rgba(122,21,45,.08);
      border:1px solid rgba(122,21,45,.12);
    }
    .card-body h3{
      margin:0;
      font-size:1.14rem;
      line-height:1.45;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:3.25em;
    }
    .card-body p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:3.3em;
    }
    .card-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-size:.88rem;
      flex-wrap:wrap;
      margin-top:auto;
    }
    .card-link{
      color:var(--brand);
      font-weight:800;
    }
    .card-link::after{
      content:"→";
      display:inline-block;
      margin-left:6px;
      transition:transform var(--transition);
    }
    .content-card:hover .card-link::after{
      transform:translateX(3px);
    }
    .split-mini{
      display:grid;
      grid-template-columns:1fr;
      gap:var(--gap);
    }
    .mini-feature{
      display:grid;
      grid-template-columns:110px 1fr;
      gap:14px;
      padding:14px;
      background:var(--surface);
      border:1px solid rgba(100,72,72,.12);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      align-items:center;
    }
    .mini-feature:hover{
      transform:translateY(-2px);
      border-color:rgba(122,21,45,.20);
      box-shadow:var(--shadow);
    }
    .mini-feature img{
      width:100%;
      aspect-ratio: 1 / 1;
      object-fit:cover;
      border-radius:16px;
    }
    .mini-feature strong{
      display:block;
      margin:2px 0 8px;
      font-size:1rem;
      line-height:1.45;
    }
    .mini-feature p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .mini-feature .mini-foot{
      display:flex;
      justify-content:space-between;
      gap:10px;
      margin-top:10px;
      color:var(--muted);
      font-size:.86rem;
      flex-wrap:wrap;
    }
    .list-layout{
      display:grid;
      grid-template-columns:1fr 290px;
      gap:var(--gap);
      align-items:start;
    }
    .update-list{
      display:grid;
      gap:14px;
    }
    .update-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:18px 18px 18px 20px;
      background:var(--surface);
      border:1px solid rgba(100,72,72,.12);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .update-item:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow);
      border-color:rgba(122,21,45,.22);
    }
    .update-item:focus-visible{
      outline:3px solid rgba(122,21,45,.18);
      outline-offset:2px;
    }
    .update-copy h3{
      margin:0 0 8px;
      font-size:1.08rem;
      line-height:1.5;
    }
    .update-copy p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.75;
    }
    .update-meta{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:8px;
      min-width:92px;
      color:var(--muted);
      font-size:.84rem;
      white-space:nowrap;
    }
    .update-meta .tag{
      font-size:.74rem;
    }
    .update-arrow{
      margin-top:auto;
      color:var(--brand);
      font-weight:800;
    }
    .update-arrow::after{
      content:"→";
      margin-left:6px;
      transition:transform var(--transition);
    }
    .update-item:hover .update-arrow::after{transform:translateX(3px)}
    .side-panel{
      position:sticky;
      top:92px;
      display:grid;
      gap:14px;
    }
    .panel-card{
      padding:18px;
      background:linear-gradient(180deg, rgba(122,21,45,.98), rgba(93,18,32,.98));
      color:#fff;
      border-radius:22px;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
      position:relative;
    }
    .panel-card::before{
      content:"";
      position:absolute;inset:auto -40px -60px auto;
      width:160px;height:160px;border-radius:50%;
      background:radial-gradient(circle, rgba(240,160,123,.24), transparent 66%);
      pointer-events:none;
    }
    .panel-card h3{
      margin:0 0 8px;
      font-size:1.18rem;
      line-height:1.45;
    }
    .panel-card p{
      margin:0;
      color:rgba(255,255,255,.86);
      font-size:.94rem;
      line-height:1.75;
    }
    .check-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#fff;
      font-size:.94rem;
      line-height:1.7;
    }
    .check-list li::before{
      content:"";
      flex:0 0 auto;
      width:18px;height:18px;border-radius:50%;
      margin-top:3px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:inset 0 0 0 5px rgba(255,255,255,.88);
    }
    .panel-actions{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:16px;
    }
    .panel-actions .btn{
      flex:1 1 120px;
    }
    .panel-mini{
      padding:16px;
      background:var(--surface);
      border:1px solid rgba(100,72,72,.12);
      border-radius:22px;
      box-shadow:var(--shadow-soft);
    }
    .panel-mini h4{
      margin:0 0 8px;
      font-size:1rem;
    }
    .panel-mini p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
      line-height:1.75;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:var(--gap);
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      background:var(--surface);
      border:1px solid rgba(100,72,72,.12);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      cursor:pointer;
      font-weight:800;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;height:30px;flex:0 0 auto;
      display:grid;place-items:center;
      border-radius:999px;
      color:var(--brand);
      background:rgba(122,21,45,.08);
      border:1px solid rgba(122,21,45,.14);
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(122,21,45,.12);
    }
    .faq-content{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.8;
      font-size:.95rem;
    }
    .faq-side{
      position:relative;
      overflow:hidden;
      border-radius:26px;
      background:
        linear-gradient(145deg, rgba(31,21,22,.78), rgba(122,21,45,.72)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      padding:24px;
      min-height:100%;
      border:1px solid rgba(122,21,45,.16);
      box-shadow:var(--shadow);
    }
    .faq-side::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.28));
      pointer-events:none;
    }
    .faq-side-inner{
      position:relative;z-index:1;
      max-width:36ch;
    }
    .faq-side h3{
      margin:0 0 10px;
      font-size:1.34rem;
      line-height:1.45;
    }
    .faq-side p{
      margin:0 0 16px;
      color:rgba(255,255,255,.86);
      line-height:1.85;
      font-size:.96rem;
    }
    .faq-side .mini-badges{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-bottom:16px;
    }
    .mini-badge{
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      font-size:.82rem;
      font-weight:700;
    }
    .cta{
      padding:20px 0 56px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(122,21,45,.97), rgba(31,21,22,.94)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(122,21,45,.18);
      box-shadow:var(--shadow);
      color:#fff;
      padding:32px;
    }
    .cta-box::before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(500px 220px at 90% 10%, rgba(240,160,123,.22), transparent 62%),
        radial-gradient(540px 260px at 8% 92%, rgba(255,255,255,.08), transparent 58%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
    }
    .cta h2{
      margin:0 0 12px;
      font-size:clamp(1.5rem, 2.8vw, 2.4rem);
      line-height:1.18;
    }
    .cta p{
      margin:0;
      color:rgba(255,255,255,.86);
      max-width:56ch;
      line-height:1.8;
    }
    .cta-actions{
      display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;
    }
    .cta-actions .btn{
      min-width:132px;
    }
    .site-footer{
      padding:24px 0 30px;
      border-top:1px solid rgba(100,72,72,.12);
      background:rgba(248,241,234,.62);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;flex-direction:column;gap:12px;
    }
    .footer-brand .brand{
      align-items:flex-start;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.94rem;
      max-width:40ch;
    }
    .footer-links,
    .footer-notes{
      display:grid;
      gap:10px;
    }
    .footer-links a,
    .footer-notes span{
      color:var(--muted);
      font-size:.93rem;
      line-height:1.7;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--brand);
      transform:translateX(2px);
      outline:none;
    }
    .footer-title{
      margin:0 0 10px;
      font-size:1rem;
      color:var(--text);
    }
    .footer-bottom{
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(100,72,72,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:.88rem;
    }
    .empty-state{
      padding:20px;
      background:var(--surface);
      border:1px dashed rgba(122,21,45,.22);
      border-radius:20px;
      color:var(--muted);
      box-shadow:var(--shadow-soft);
    }
    .nav-panel{
      display:none;
    }
    .hidden-mobile{
      display:block;
    }
    .section-topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .section-topline .link-jump{
      color:var(--brand);
      font-weight:800;
      white-space:nowrap;
    }
    .section-topline .link-jump::after{
      content:"→";
      margin-left:6px;
    }
    @media (max-width: 1100px){
      .hero-inner{grid-template-columns:1fr;min-height:auto}
      .hero-visual{grid-template-columns:1fr 1fr}
      .small-card{width:min(58%, 250px)}
      .micro-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .feature-grid,
      .list-layout,
      .faq-grid,
      .footer-grid{grid-template-columns:1fr}
      .side-panel{position:static}
      .cta-grid{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 820px){
      .site-header-inner{min-height:68px}
      .nav-links{
        display:none;
        position:absolute;
        top:74px;left:16px;right:16px;
        padding:10px;
        border-radius:22px;
        background:rgba(255,250,246,.98);
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .site-header.nav-open .nav-links{display:flex}
      .nav-link{width:100%;text-align:center}
      .nav-actions .btn-primary{display:none}
      .nav-toggle{display:inline-flex}
      .site-nav{position:relative}
      .hero{padding-top:18px}
      .hero-shell{border-radius:24px}
      .hero-inner{padding:22px}
      .hero-visual{grid-template-columns:1fr}
      .micro-grid{grid-template-columns:1fr 1fr}
      .update-item{grid-template-columns:1fr}
      .update-meta{align-items:flex-start}
      .cta-box{padding:24px}
      .section-heading{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 560px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .brand-text span{display:none}
      .hero h1{font-size:2.1rem}
      .hero-lead{font-size:1rem}
      .hero-actions,.panel-actions,.cta-actions{flex-direction:column}
      .hero-actions .btn,.panel-actions .btn,.cta-actions .btn{width:100%}
      .micro-grid{grid-template-columns:1fr}
      .mini-feature{grid-template-columns:1fr}
      .small-card{
        position:relative;right:auto;top:auto;
        width:100%;margin-top:12px;
      }
      .hero-shell{overflow:visible}
      .hero-visual{padding-bottom:0}
      .update-item{padding:16px}
      .card-body{padding:16px}
      .footer-bottom{flex-direction:column}
    }
    :focus-visible{
      outline:3px solid rgba(225,125,85,.34);
      outline-offset:2px;
    }

/* roulang page: article */
:root{
      --bg:#f4ede4;
      --bg-soft:#fbf7f2;
      --surface:#fffaf6;
      --surface-2:#f5ece3;
      --surface-3:#ead8cf;
      --text:#241718;
      --muted:#6e5a5a;
      --line:rgba(100,72,72,.16);
      --brand:#7a152d;
      --brand-2:#a62d43;
      --brand-3:#c45454;
      --accent:#e17d55;
      --accent-2:#f0a07b;
      --dark:#1f1516;
      --shadow:0 18px 42px rgba(60,24,27,.10);
      --shadow-soft:0 10px 24px rgba(60,24,27,.08);
      --radius:18px;
      --radius-sm:14px;
      --radius-lg:26px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      line-height:1.75;
      color:var(--text);
      background:
        radial-gradient(1100px 500px at 8% 0%, rgba(122,21,45,.12), transparent 60%),
        radial-gradient(900px 420px at 96% 10%, rgba(225,125,85,.10), transparent 55%),
        linear-gradient(180deg, #f8f1ea 0%, var(--bg) 100%);
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,summary{font:inherit}
    button{border:0;background:none;padding:0;cursor:pointer}
    ::selection{background:rgba(122,21,45,.18);color:var(--brand)}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      padding-left:0;
      padding-right:0;
      max-width:none;
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(10px);
      background:rgba(248,241,234,.86);
      border-bottom:1px solid rgba(100,72,72,.10);
    }
    .site-header-inner{
      min-height:76px;
      display:flex;align-items:center;justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.2px;
      color:var(--text);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(145deg, rgba(122,21,45,.96), rgba(166,45,67,.88));
      box-shadow:0 12px 28px rgba(122,21,45,.22);
      position:relative;flex:0 0 auto;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;inset:auto;border-radius:999px;background:rgba(255,255,255,.92);
    }
    .brand-mark::before{width:10px;height:10px;left:10px;top:12px}
    .brand-mark::after{width:16px;height:16px;right:8px;bottom:8px}
    .brand-text{display:flex;flex-direction:column;line-height:1.1}
    .brand-text strong{font-size:1.02rem;display:block}
    .brand-text span{font-size:.78rem;color:var(--muted);font-weight:500;margin-top:4px}
    .site-nav{display:flex;align-items:center;gap:12px}
    .nav-links{
      display:flex;align-items:center;gap:4px;
      padding:8px;
      border:1px solid rgba(100,72,72,.10);
      background:rgba(255,255,255,.60);
      border-radius:999px;
      box-shadow:0 8px 18px rgba(58,25,27,.04);
    }
    .nav-link{
      padding:10px 14px;
      color:var(--muted);
      font-weight:700;
      border-radius:999px;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:var(--brand);
      background:rgba(122,21,45,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(145deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 20px rgba(122,21,45,.16);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.2px;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      white-space:nowrap;
      line-height:1.2;
    }
    .btn:hover,.btn:focus-visible{transform:translateY(-1px);outline:none}
    .btn-primary{
      color:#fff;
      background:linear-gradient(145deg, var(--brand), var(--brand-2));
      box-shadow:0 14px 28px rgba(122,21,45,.18);
    }
    .btn-primary:hover,.btn-primary:focus-visible{box-shadow:0 16px 30px rgba(122,21,45,.24);color:#fff}
    .btn-secondary{
      color:var(--brand);
      background:rgba(255,255,255,.68);
      border-color:rgba(122,21,45,.14);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{
      background:#fff;border-color:rgba(122,21,45,.24);color:var(--brand);
    }
    .btn-ghost{
      color:var(--muted);
      background:transparent;
      border-color:rgba(100,72,72,.14);
    }
    .btn-ghost:hover,.btn-ghost:focus-visible{color:var(--brand);border-color:rgba(122,21,45,.26);background:rgba(255,255,255,.55)}
    .nav-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(100,72,72,.14);
      color:var(--text);
      align-items:center;justify-content:center;
      box-shadow:0 8px 18px rgba(58,25,27,.05);
    }
    .nav-toggle svg{width:20px;height:20px}

    .article-hero{padding:30px 0 18px}
    .article-hero-shell{
      position:relative;overflow:hidden;border-radius:30px;
      border:1px solid rgba(100,72,72,.12);
      background:
        linear-gradient(135deg, rgba(31,21,22,.82), rgba(122,21,45,.58)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .article-hero-shell::after{
      content:"";
      position:absolute;inset:0;
      background:radial-gradient(650px 260px at 88% 12%, rgba(240,160,123,.18), transparent 64%),
                 linear-gradient(90deg, rgba(18,10,10,.24), transparent 62%);
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;z-index:1;
      min-height:420px;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(300px,.72fr);
      gap:30px;
      align-items:end;
      padding:38px;
      color:#fff;
    }
    .breadcrumb{
      display:flex;flex-wrap:wrap;align-items:center;gap:8px;
      margin:0 0 18px;
      color:rgba(255,255,255,.78);
      font-size:.94rem;
    }
    .breadcrumb a{color:#fff;font-weight:800}
    .breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--accent-2);outline:none}
    .breadcrumb span{color:rgba(255,255,255,.72)}
    .article-eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 14px;border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.92);
      font-weight:800;
      margin-bottom:16px;
    }
    .article-title{
      margin:0;
      font-size:clamp(2.05rem, 4.5vw, 4.2rem);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:900;
      max-width:880px;
    }
    .article-summary{
      margin:18px 0 0;
      max-width:780px;
      color:rgba(255,255,255,.86);
      font-size:1.08rem;
      line-height:1.85;
    }
    .article-meta-panel{
      align-self:stretch;
      display:flex;flex-direction:column;justify-content:flex-end;
      gap:16px;
    }
    .cover-card{
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.08);
      box-shadow:0 18px 36px rgba(18,10,10,.18);
    }
    .cover-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      filter:saturate(.96) contrast(1.02);
    }
    .meta-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .meta-chip{
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
    }
    .meta-chip span{
      display:block;
      font-size:.78rem;
      color:rgba(255,255,255,.65);
      margin-bottom:4px;
    }
    .meta-chip strong{
      display:block;
      color:#fff;
      font-size:.95rem;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    main{padding:18px 0 0}
    .section{padding:34px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:18px;
      margin-bottom:20px;
    }
    .section-kicker{
      margin:0 0 6px;
      color:var(--brand);
      font-weight:900;
      letter-spacing:.04em;
      font-size:.86rem;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.55rem, 2.5vw, 2.35rem);
      line-height:1.22;
      font-weight:900;
      letter-spacing:-.03em;
      color:var(--text);
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      max-width:720px;
      line-height:1.85;
    }
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      color:var(--brand);
      background:rgba(122,21,45,.08);
      border:1px solid rgba(122,21,45,.12);
      font-weight:800;
      font-size:.82rem;
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .reader-card{
      background:rgba(255,250,246,.92);
      border:1px solid rgba(100,72,72,.13);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .reader-toolbar{
      display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
      padding:18px 22px;
      background:linear-gradient(180deg, rgba(255,255,255,.52), rgba(245,236,227,.66));
      border-bottom:1px solid rgba(100,72,72,.12);
    }
    .reader-toolbar .left{
      display:flex;flex-wrap:wrap;gap:10px;align-items:center;
      color:var(--muted);
      font-size:.93rem;
    }
    .reader-toolbar strong{color:var(--text)}
    .article-content{
      padding:34px;
      font-size:1.06rem;
      color:#312223;
    }
    .article-content h2,.article-content h3,.article-content h4{
      color:var(--text);
      font-weight:900;
      letter-spacing:-.025em;
      line-height:1.3;
      margin:1.8em 0 .72em;
    }
    .article-content h2{font-size:1.75rem;padding-bottom:10px;border-bottom:1px solid rgba(100,72,72,.12)}
    .article-content h3{font-size:1.36rem}
    .article-content p{margin:0 0 1.12em}
    .article-content a{
      color:var(--brand);
      font-weight:800;
      border-bottom:1px solid rgba(122,21,45,.24);
    }
    .article-content a:hover,.article-content a:focus-visible{color:var(--brand-2);outline:none;border-bottom-color:var(--brand-2)}
    .article-content img{
      width:100%;
      height:auto;
      border-radius:18px;
      margin:24px 0;
      border:1px solid rgba(100,72,72,.12);
      box-shadow:0 14px 30px rgba(60,24,27,.08);
    }
    .article-content blockquote{
      margin:24px 0;
      padding:18px 20px;
      border-left:4px solid var(--brand);
      border-radius:0 18px 18px 0;
      background:rgba(122,21,45,.07);
      color:#4b3435;
    }
    .article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 1.15em}
    .article-content li{margin:.35em 0}
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(100,72,72,.14);
      margin:22px 0;
      background:#fff;
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border-bottom:1px solid rgba(100,72,72,.12);
      vertical-align:top;
    }
    .article-content tr:last-child th,.article-content tr:last-child td{border-bottom:0}
    .article-content th{background:rgba(122,21,45,.07);color:var(--text)}
    .not-found{
      padding:54px 24px;
      text-align:center;
    }
    .not-found h2{
      margin:0 0 12px;
      font-size:2rem;
      font-weight:900;
      color:var(--text);
    }
    .not-found p{
      margin:0 auto 22px;
      color:var(--muted);
      max-width:520px;
    }

    .sidebar{
      position:sticky;
      top:96px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .side-card{
      background:rgba(255,250,246,.88);
      border:1px solid rgba(100,72,72,.13);
      border-radius:22px;
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .side-card.dark{
      color:#fff;
      background:
        linear-gradient(145deg, rgba(31,21,22,.94), rgba(122,21,45,.86)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      overflow:hidden;
      position:relative;
    }
    .side-card.dark::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, transparent, rgba(31,21,22,.22));
      pointer-events:none;
    }
    .side-card.dark>*{position:relative;z-index:1}
    .side-title{
      margin:0 0 12px;
      font-size:1.12rem;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .side-text{margin:0 0 16px;color:var(--muted);font-size:.94rem}
    .side-card.dark .side-text{color:rgba(255,255,255,.78)}
    .toc-list,.hot-list{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}
    .toc-list a,.hot-item{
      display:flex;gap:10px;align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background:rgba(245,236,227,.62);
      border:1px solid rgba(100,72,72,.10);
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .toc-list a:hover,.toc-list a:focus-visible,.hot-item:hover,.hot-item:focus-visible{
      transform:translateY(-2px);
      background:#fff;
      border-color:rgba(122,21,45,.18);
      outline:none;
    }
    .toc-list b,.hot-item b{
      width:24px;height:24px;flex:0 0 auto;
      display:inline-flex;align-items:center;justify-content:center;
      border-radius:9px;
      color:#fff;
      background:linear-gradient(145deg, var(--brand), var(--brand-2));
      font-size:.78rem;
    }
    .toc-list span,.hot-item span{
      color:var(--text);
      font-weight:800;
      line-height:1.45;
      font-size:.94rem;
    }
    .reading-tips{
      display:grid;gap:10px;
      margin-top:12px;
    }
    .tip{
      display:flex;gap:10px;align-items:center;
      color:rgba(255,255,255,.88);
      font-weight:750;
      font-size:.92rem;
    }
    .tip i{
      width:9px;height:9px;border-radius:999px;
      background:var(--accent-2);
      box-shadow:0 0 0 5px rgba(240,160,123,.12);
      flex:0 0 auto;
    }

    .related-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .content-card{
      background:rgba(255,250,246,.9);
      border:1px solid rgba(100,72,72,.13);
      border-radius:22px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .content-card:hover{
      transform:translateY(-4px);
      box-shadow:0 18px 38px rgba(60,24,27,.12);
      border-color:rgba(122,21,45,.20);
    }
    .content-card .thumb{
      position:relative;
      overflow:hidden;
      background:var(--surface-3);
    }
    .content-card .thumb img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .content-card:hover .thumb img{transform:scale(1.04)}
    .content-card .thumb .badge{
      position:absolute;
      left:12px;
      top:12px;
      background:rgba(255,250,246,.88);
      backdrop-filter:blur(6px);
    }
    .card-body{padding:18px}
    .card-title{
      margin:0 0 8px;
      font-size:1.1rem;
      line-height:1.42;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .card-title a:hover,.card-title a:focus-visible{color:var(--brand);outline:none}
    .card-desc{
      margin:0 0 14px;
      color:var(--muted);
      line-height:1.7;
      font-size:.94rem;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-meta{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      color:#836d6d;
      font-size:.86rem;
      padding-top:12px;
      border-top:1px solid rgba(100,72,72,.10);
    }
    .card-link{color:var(--brand);font-weight:900}
    .card-link:hover,.card-link:focus-visible{color:var(--brand-2);outline:none}

    .info-strip{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .notice-card,.faq-wrap{
      background:rgba(255,250,246,.9);
      border:1px solid rgba(100,72,72,.13);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      padding:24px;
    }
    .notice-card{
      display:grid;
      grid-template-columns:130px 1fr;
      gap:20px;
      align-items:center;
    }
    .notice-card img{
      width:130px;height:130px;
      object-fit:cover;
      border-radius:20px;
      border:1px solid rgba(100,72,72,.12);
    }
    .notice-card h2,.faq-wrap h2{
      margin:0 0 10px;
      font-size:1.45rem;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .notice-card p{margin:0;color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    details.faq-item{
      border:1px solid rgba(100,72,72,.12);
      background:rgba(245,236,227,.54);
      border-radius:16px;
      overflow:hidden;
    }
    details.faq-item[open]{background:#fff}
    .faq-item summary{
      cursor:pointer;
      padding:14px 16px;
      font-weight:900;
      color:var(--text);
      list-style:none;
      display:flex;justify-content:space-between;gap:12px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      color:var(--brand);
      font-weight:900;
      font-size:1.15rem;
    }
    .faq-item[open] summary::after{content:"−"}
    .faq-item p{
      margin:0;
      padding:0 16px 16px;
      color:var(--muted);
      line-height:1.7;
    }

    .article-cta{
      margin:12px 0 0;
      padding:28px;
      border-radius:28px;
      background:
        radial-gradient(600px 220px at 88% 10%, rgba(240,160,123,.18), transparent 64%),
        linear-gradient(135deg, var(--dark), #4c1824 58%, var(--brand));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-cta h2{
      margin:0 0 8px;
      font-size:1.6rem;
      font-weight:900;
      letter-spacing:-.025em;
    }
    .article-cta p{margin:0;color:rgba(255,255,255,.78);max-width:760px}
    .article-cta .btn-secondary{background:#fff;color:var(--brand)}

    .site-footer{
      margin-top:44px;
      padding:42px 0 26px;
      color:#eadfdf;
      background:
        radial-gradient(780px 300px at 12% 0%, rgba(225,125,85,.14), transparent 62%),
        linear-gradient(180deg, #241718, #1b1112);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .9fr;
      gap:30px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .site-footer .brand{color:#fff}
    .site-footer .brand-text span{color:rgba(255,255,255,.58)}
    .footer-brand p{
      margin:16px 0 0;
      color:rgba(255,255,255,.68);
      max-width:520px;
      line-height:1.8;
    }
    .footer-title{
      margin:0 0 12px;
      font-size:1rem;
      font-weight:900;
      color:#fff;
    }
    .footer-links,.footer-notes{
      display:flex;
      flex-direction:column;
      gap:9px;
    }
    .footer-links a,.footer-notes span{
      color:rgba(255,255,255,.68);
      font-size:.94rem;
    }
    .footer-links a:hover,.footer-links a:focus-visible{color:#fff;outline:none}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:20px;
      color:rgba(255,255,255,.55);
      font-size:.9rem;
    }

    @media (max-width:1024px){
      .article-hero-inner{grid-template-columns:1fr;min-height:auto}
      .article-meta-panel{max-width:620px}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .info-strip{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:768px){
      .site-header-inner{min-height:68px}
      .brand-text strong{font-size:.92rem}
      .brand-text span{font-size:.72rem}
      .nav-toggle{display:inline-flex}
      .nav-links{
        position:absolute;
        right:16px;
        top:76px;
        width:min(280px, calc(100vw - 32px));
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:20px;
        padding:10px;
        background:rgba(255,250,246,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{text-align:center}
      .nav-actions .btn-primary{display:none}
      .article-hero{padding-top:18px}
      .article-hero-shell{border-radius:24px}
      .article-hero-inner{padding:26px;gap:22px}
      .article-summary{font-size:1rem}
      .meta-grid{grid-template-columns:1fr}
      .section{padding:26px 0}
      .section-head{display:block}
      .article-content{padding:24px;font-size:1rem}
      .reader-toolbar{padding:16px}
      .sidebar{grid-template-columns:1fr}
      .notice-card{grid-template-columns:1fr}
      .notice-card img{width:100%;height:190px}
      .article-cta{display:block}
      .article-cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px, var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand{gap:9px;min-width:0}
      .brand-text strong{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .article-hero-inner{padding:20px}
      .article-title{font-size:2rem}
      .cover-card img{aspect-ratio:16/11}
      .related-grid{grid-template-columns:1fr}
      .article-content{padding:20px}
      .article-content h2{font-size:1.45rem}
      .btn{width:100%;padding:12px 16px}
      .article-cta{padding:22px}
      .footer-links,.footer-notes{gap:7px}
    }

/* 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}