/* roulang page: index */
:root{
      --brand:#5b1f45;
      --brand-dark:#421330;
      --brand-soft:#f1e4ec;
      --accent:#a85446;
      --accent-dark:#8d4034;
      --copper:#a77a54;
      --bg:#f8f2e8;
      --panel:#fffaf2;
      --panel-strong:#ffffff;
      --text:#2e2420;
      --muted:#746760;
      --muted-2:#988b82;
      --line:#e6d9cd;
      --line-strong:#d5c2b6;
      --success:#4f7a58;
      --danger:#a9433c;
      --radius-sm:8px;
      --radius:12px;
      --radius-lg:18px;
      --shadow:0 12px 30px rgba(79,39,55,.10);
      --shadow-soft:0 8px 20px rgba(79,39,55,.07);
      --container:1200px;
      --section:78px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 10%, rgba(168,84,70,.10), transparent 28%),
        radial-gradient(circle at 88% 5%, rgba(91,31,69,.10), transparent 30%),
        var(--bg);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,textarea{
      width:100%;
      min-height:46px;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:var(--panel-strong);
      color:var(--text);
      padding:12px 14px;
      outline:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    input:focus,textarea:focus{
      border-color:var(--brand);
      box-shadow:0 0 0 4px rgba(91,31,69,.12);
      background:#fff;
    }
    input::placeholder,textarea::placeholder{color:var(--muted-2)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:16px;top:-60px;z-index:999;
      background:var(--brand);color:#fff;padding:10px 14px;border-radius:8px;
    }
    .skip-link:focus{top:16px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(248,242,232,.96);
      border-bottom:1px solid rgba(230,217,205,.85);
      backdrop-filter:saturate(120%) blur(6px);
    }
    .nav-wrap{
      height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--brand);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:12px;
      background:linear-gradient(145deg,var(--brand),#7a315e);
      color:#fff;
      display:grid;place-items:center;
      box-shadow:0 8px 18px rgba(91,31,69,.22);
      flex:0 0 auto;
      font-size:18px;
    }
    .brand-text{
      font-size:18px;
      line-height:1.22;
      max-width:330px;
      white-space:normal;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .main-nav a{
      position:relative;
      padding:10px 13px;
      border-radius:10px;
      color:#4f413c;
      font-weight:650;
      font-size:15px;
    }
    .main-nav a:hover{color:var(--brand);background:rgba(91,31,69,.07)}
    .main-nav a.active{color:var(--brand)}
    .main-nav a.active::after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:4px;
      height:3px;border-radius:3px;
      background:var(--accent);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:10px;
      border:1px solid var(--line);
      color:var(--brand);
      background:var(--panel);
    }
    .menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:var(--radius-sm);
      font-weight:750;
      border:1px solid transparent;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn:focus-visible,a:focus-visible,button:focus-visible{
      outline:3px solid rgba(168,84,70,.28);
      outline-offset:3px;
    }
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(91,31,69,.18)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
    .btn-secondary{background:rgba(255,250,242,.72);color:var(--brand);border-color:var(--brand)}
    .btn-secondary:hover{background:#f7e7e0;border-color:var(--accent);color:var(--accent-dark)}
    .btn-muted{background:#f3e8dc;color:#5a4b44;border-color:var(--line)}
    .btn-muted:hover{border-color:var(--copper);color:var(--brand)}
    .section{padding:var(--section) 0}
    .section-tight{padding:56px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent-dark);
      font-weight:800;
      font-size:14px;
      margin-bottom:10px;
    }
    .eyebrow::before{
      content:"";
      width:24px;height:2px;background:var(--copper);
      border-radius:2px;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,5.6vw,62px);
      line-height:1.08;
      letter-spacing:-.045em;
      color:var(--brand-dark);
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.2;
      letter-spacing:-.03em;
      color:var(--brand-dark);
      margin-bottom:12px;
    }
    h3{font-size:21px;line-height:1.35;color:var(--text);margin-bottom:10px}
    .lead{
      font-size:18px;
      color:#5f524c;
      max-width:720px;
      margin-bottom:26px;
    }
    .muted{color:var(--muted)}
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:4px 9px;
      border-radius:7px;
      font-size:13px;
      font-weight:750;
    }
    .tag{background:#f4e7df;color:var(--accent-dark);border:1px solid #ebd4c9}
    .badge{background:var(--brand-soft);color:var(--brand);border:1px solid #e5cddc}
    .hero{
      padding:62px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(90deg, rgba(248,242,232,.98) 0%, rgba(248,242,232,.82) 55%, rgba(248,242,232,.65) 100%), url('/assets/images/backpic/back-1.webp');
      background-size:cover;
      background-position:center;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-180px;bottom:-260px;
      border-radius:50%;
      background:rgba(168,84,70,.13);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.06fr) minmax(340px,.74fr);
      gap:46px;
      align-items:center;
    }
    .hero-card{
      background:rgba(255,250,242,.92);
      border:1px solid rgba(230,217,205,.9);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-media{
      position:relative;
      aspect-ratio:4/3;
      overflow:hidden;
      background:#eadbd1;
    }
    .hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
    .hero-card:hover .hero-media img{transform:scale(1.035)}
    .hero-note{
      padding:20px;
      display:grid;
      gap:14px;
      border-top:1px solid var(--line);
    }
    .hero-note-row{
      display:flex;
      justify-content:space-between;
      gap:16px;
      font-size:14px;
      color:var(--muted);
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .meta-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:1px;
      overflow:hidden;
      margin-top:34px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--line);
      max-width:760px;
    }
    .meta-item{
      background:rgba(255,250,242,.88);
      padding:17px 18px;
    }
    .meta-item strong{display:block;color:var(--brand);font-size:20px;line-height:1.1}
    .meta-item span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .index-band{
      background:var(--panel);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .topic-index{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:24px;
    }
    .index-feature,.index-list-card,.feature-main,.feature-side-card,.filter-panel,.compliance,.cta-box,.faq-item,.empty-state{
      background:var(--panel-strong);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .index-feature{
      overflow:hidden;
      display:grid;
      grid-template-columns:.92fr 1fr;
      min-height:310px;
    }
    .index-feature img{width:100%;height:100%;object-fit:cover}
    .index-feature-body{padding:28px;display:flex;flex-direction:column;justify-content:space-between;gap:20px}
    .number{font-size:13px;font-weight:900;color:var(--copper);letter-spacing:.08em}
    .index-list-card{padding:24px}
    .index-links{display:grid;gap:16px;margin-top:12px}
    .index-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:14px 0;
      border-bottom:1px solid var(--line);
    }
    .index-link:last-child{border-bottom:0}
    .index-link:hover h3{color:var(--brand)}
    .index-link .dot{
      width:34px;height:34px;border-radius:9px;
      display:grid;place-items:center;
      background:#f5e3da;
      color:var(--accent-dark);
      font-weight:900;
    }
    .arrow{color:var(--accent);font-weight:900}
    .updates-layout{
      display:grid;
      grid-template-columns:270px minmax(0,1fr);
      gap:26px;
      align-items:start;
    }
    .updates-aside{
      position:sticky;top:96px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fbf0e2;
    }
    .updates-aside ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
    .updates-aside li{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .updates-aside li::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--accent);
      flex:0 0 auto;
    }
    .timeline{
      background:var(--panel-strong);
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .timeline-item{
      display:grid;
      grid-template-columns:150px 1fr auto;
      gap:20px;
      padding:22px 24px;
      border-bottom:1px solid var(--line);
      align-items:center;
      transition:background var(--ease);
    }
    .timeline-item:last-child{border-bottom:0}
    .timeline-item:hover{background:#fff6ed}
    .timebox{
      color:var(--accent-dark);
      font-weight:800;
      font-size:14px;
    }
    .timeline-title{
      font-size:19px;
      line-height:1.38;
      margin:7px 0 7px;
      color:var(--text);
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .timeline-title a:hover{color:var(--brand)}
    .timeline-summary{
      color:var(--muted);
      font-size:14px;
      margin:0;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .detail-link{
      color:var(--brand);
      font-weight:850;
      padding:8px 0;
      border-bottom:2px solid transparent;
    }
    .detail-link:hover{color:var(--accent-dark);border-color:var(--accent)}
    .empty-state{
      padding:42px 24px;
      text-align:center;
      color:var(--muted);
    }
    .empty-icon{
      width:58px;height:58px;margin:0 auto 16px;
      border-radius:16px;
      display:grid;place-items:center;
      background:var(--brand-soft);
      color:var(--brand);
      font-size:26px;
    }
    .magazine-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);
      gap:24px;
    }
    .feature-main{overflow:hidden}
    .feature-main .pic{aspect-ratio:16/9;overflow:hidden;background:#eadbd1}
    .feature-main img,.feature-side-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
    .feature-main:hover img,.feature-side-card:hover img{transform:scale(1.035)}
    .feature-main-body{padding:25px}
    .feature-side{display:grid;gap:18px}
    .feature-side-card{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:16px;
      overflow:hidden;
      min-height:132px;
    }
    .feature-side-card .thumb{height:100%;min-height:132px;overflow:hidden;background:#eadbd1}
    .feature-side-card .side-body{padding:17px 16px 17px 0}
    .feature-side-card h3{
      font-size:17px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .filters{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .filter-panel{padding:26px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .topic-chip{
      min-height:38px;
      padding:8px 12px;
      border-radius:8px;
      background:#f4eadf;
      border:1px solid var(--line);
      color:#5b4e47;
      font-weight:700;
    }
    .topic-chip.active,.topic-chip:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
    .search-box{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      margin-top:18px;
    }
    .form-hint{
      min-height:24px;
      margin-top:12px;
      font-size:14px;
      color:var(--muted);
    }
    .form-hint.error{color:var(--danger)}
    .form-hint.success{color:var(--success)}
    .proof-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .proof-card{
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,250,242,.78);
    }
    .proof-card strong{display:block;font-size:28px;line-height:1;color:var(--brand);margin-bottom:10px}
    .proof-card span{color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:16px 18px;
      color:var(--text);
      font-weight:850;
      text-align:left;
    }
    .faq-question:hover{background:#fff4ec;color:var(--brand)}
    .faq-symbol{
      width:30px;height:30px;border-radius:8px;
      display:grid;place-items:center;
      background:var(--brand-soft);
      color:var(--brand);
      flex:0 0 auto;
      font-weight:900;
    }
    .faq-answer{
      display:none;
      padding:0 18px 18px;
      color:var(--muted);
      border-top:1px solid var(--line);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-symbol{background:var(--brand);color:#fff}
    .compliance{
      padding:25px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      background:linear-gradient(135deg,#fffaf2,#f7e8dd);
    }
    .compliance-actions{display:flex;gap:10px;flex-wrap:wrap}
    .cta{
      padding:70px 0;
      background:
        linear-gradient(90deg, rgba(91,31,69,.93), rgba(66,19,48,.90)),
        url('/assets/images/backpic/back-2.jpg') center/cover;
      color:#fff;
    }
    .cta-box{
      background:rgba(255,250,242,.96);
      color:var(--text);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:0 16px 34px rgba(0,0,0,.18);
    }
    .cta-box h2{margin-bottom:8px}
    .site-footer{
      background:#351126;
      color:#f8efe6;
      padding:52px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:34px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,250,242,.16);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-mark{
      width:38px;height:38px;border-radius:10px;
      display:grid;place-items:center;
      background:#fffaf2;
      color:var(--brand);
      font-weight:900;
    }
    .footer-grid p{color:#d8c8bc;margin-bottom:0}
    .footer-title{font-weight:850;margin-bottom:14px;color:#fffaf2}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}
    .footer-links a{color:#d8c8bc}
    .footer-links a:hover{color:#fff;border-bottom:1px solid var(--accent)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#c9b6aa;
      font-size:13px;
      padding-top:22px;
    }
    @media (max-width:1024px){
      :root{--section:62px}
      .hero-grid,.topic-index,.magazine-grid,.filters,.faq-wrap{grid-template-columns:1fr}
      .updates-layout{grid-template-columns:1fr}
      .updates-aside{position:static}
      .proof-row{grid-template-columns:repeat(2,1fr)}
      .cta-box,.compliance{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:820px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:66px}
      .brand-text{font-size:16px;max-width:245px}
      .main-nav{
        position:absolute;
        left:14px;right:14px;top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        background:var(--panel-strong);
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:13px 14px}
      .main-nav a.active::after{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-actions .btn{display:none}
      .hero{padding:42px 0 30px}
      .hero-grid{gap:28px}
      .meta-strip{grid-template-columns:1fr}
      .index-feature{grid-template-columns:1fr}
      .index-feature img{aspect-ratio:16/9}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .detail-link{justify-self:start}
      .section-head{display:block}
      .search-box{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:560px){
      body{line-height:1.68}
      h1{font-size:34px}
      h2{font-size:26px}
      .hero-actions,.compliance-actions{flex-direction:column}
      .btn{width:100%}
      .feature-side-card{grid-template-columns:1fr}
      .feature-side-card .thumb{aspect-ratio:16/9}
      .feature-side-card .side-body{padding:0 16px 18px}
      .proof-row{grid-template-columns:1fr}
      .topic-chip{width:100%;justify-content:center}
      .copyright{display:block}
    }

/* roulang page: article */
:root{
      --brand:#5b1f45;
      --brand-dark:#421330;
      --brand-soft:#f1e4ec;
      --accent:#a85446;
      --accent-dark:#8d4034;
      --copper:#a77a54;
      --bg:#f8f2e8;
      --panel:#fffaf2;
      --white:#fff;
      --text:#2e2420;
      --muted:#746760;
      --muted-2:#988b82;
      --line:#e6d9cd;
      --line-strong:#d5c2b6;
      --radius-sm:8px;
      --radius:12px;
      --radius-lg:18px;
      --shadow:0 12px 30px rgba(79,39,55,.10);
      --shadow-soft:0 8px 20px rgba(79,39,55,.07);
      --container:1200px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 10%,rgba(168,84,70,.08),transparent 28%),
        radial-gradient(circle at 90% 6%,rgba(91,31,69,.08),transparent 30%),
        var(--bg);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
    a:hover{color:var(--accent-dark)}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{border:0;background:none;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(248,242,232,.97);
      border-bottom:1px solid rgba(230,217,205,.9);
      backdrop-filter:saturate(120%) blur(6px);
    }
    .nav-wrap{height:74px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0;color:var(--brand);font-weight:800}
    .brand-mark,.footer-mark{
      display:grid;place-items:center;flex:0 0 auto;
      color:#fff;background:linear-gradient(145deg,var(--brand),#7a315e);
      box-shadow:0 8px 18px rgba(91,31,69,.2)
    }
    .brand-mark{width:42px;height:42px;border-radius:12px;font-size:18px}
    .brand-text{max-width:330px;font-size:18px;line-height:1.22}
    .main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
    .main-nav a{position:relative;padding:10px 13px;border-radius:10px;color:#4f413c;font-weight:650;font-size:15px}
    .main-nav a:hover{color:var(--brand);background:rgba(91,31,69,.07)}
    .main-nav a.active{color:var(--brand)}
    .main-nav a.active:after{
      content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;border-radius:3px;background:var(--accent)
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;width:44px;height:44px;border:1px solid var(--line);
      border-radius:10px;color:var(--brand);background:var(--panel)
    }
    .menu-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:11px 18px;border-radius:var(--radius-sm);
      border:1px solid transparent;font-weight:750;white-space:nowrap;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)
    }
    .btn:focus-visible,a:focus-visible,button:focus-visible{
      outline:3px solid rgba(168,84,70,.28);outline-offset:3px
    }
    .btn-primary{color:#fff;background:var(--brand);box-shadow:0 10px 22px rgba(91,31,69,.18)}
    .btn-primary:hover{color:#fff;background:var(--brand-dark);transform:translateY(-2px)}
    .btn-secondary{color:var(--brand);background:rgba(255,250,242,.72);border-color:var(--brand)}
    .btn-secondary:hover{color:var(--accent-dark);background:#f7e7e0;border-color:var(--accent)}
    .breadcrumb-bar{padding:28px 0 14px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0;color:var(--muted);font-size:14px}
    .breadcrumb span{color:var(--muted-2)}
    .article-shell{padding:18px 0 76px}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,790px) 290px;
      gap:54px;align-items:start
    }
    .article-main{min-width:0}
    .article-heading{padding:22px 0 28px;border-bottom:1px solid var(--line)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--accent-dark);
      font-size:14px;font-weight:800;margin-bottom:12px
    }
    .eyebrow:before{content:"";width:24px;height:2px;border-radius:2px;background:var(--copper)}
    h1,h2,h3{margin:0;color:var(--brand-dark);line-height:1.28;font-weight:800}
    h1{font-size:clamp(30px,4vw,50px);letter-spacing:-.02em;overflow-wrap:anywhere}
    .article-summary{max-width:720px;margin:18px 0 0;color:var(--muted);font-size:18px}
    .article-meta{display:flex;flex-wrap:wrap;gap:9px 18px;align-items:center;margin-top:22px;color:var(--muted);font-size:14px}
    .tag,.badge{
      display:inline-flex;align-items:center;min-height:28px;padding:4px 9px;
      border-radius:7px;font-size:13px;font-weight:750
    }
    .tag{color:var(--accent-dark);background:#f4e7df;border:1px solid #ebd4c9}
    .badge{color:var(--brand);background:var(--brand-soft);border:1px solid #e5cddc}
    .cover-frame{margin:32px 0 36px;border-radius:var(--radius-lg);overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
    .cover-frame img{width:100%;aspect-ratio:16/8.5;object-fit:cover}
    .cover-caption{padding:10px 16px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
    .article-content{
      max-width:780px;color:#3c302b;font-size:17px;line-height:2
    }
    .article-content h2{margin:38px 0 14px;font-size:27px}
    .article-content h3{margin:30px 0 10px;font-size:21px}
    .article-content p{margin:0 0 22px}
    .article-content ul,.article-content ol{margin:0 0 24px;padding-left:26px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;padding:18px 22px;border-left:4px solid var(--accent);
      color:#614c43;background:#f5e9df;border-radius:0 var(--radius-sm) var(--radius-sm) 0
    }
    .article-content img{margin:28px auto;border-radius:var(--radius);box-shadow:var(--shadow-soft)}
    .article-content hr{margin:34px 0;border:0;border-top:1px solid var(--line)}
    .article-content strong{color:var(--brand-dark)}
    .empty-state{
      margin-top:34px;padding:44px 28px;text-align:center;
      border:1px dashed var(--line-strong);border-radius:var(--radius);
      background:rgba(255,250,242,.72)
    }
    .empty-icon{
      width:48px;height:48px;margin:0 auto 14px;display:grid;place-items:center;
      color:var(--brand);background:var(--brand-soft);border-radius:12px;font-size:22px
    }
    .empty-state h2{font-size:23px;margin-bottom:8px}
    .empty-state p{margin:0 0 20px;color:var(--muted)}
    .article-aside{position:sticky;top:100px}
    .aside-panel{
      padding:22px;border:1px solid var(--line);border-radius:var(--radius);
      background:rgba(255,250,242,.82);box-shadow:var(--shadow-soft)
    }
    .aside-panel+.aside-panel{margin-top:16px}
    .aside-title{margin-bottom:16px;color:var(--brand-dark);font-size:17px;font-weight:800}
    .aside-list{margin:0;padding:0;list-style:none}
    .aside-list li{padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .aside-list li:last-child{border-bottom:0}
    .aside-list b{display:block;color:var(--brand);font-size:15px}
    .aside-note{margin:0;color:var(--muted);font-size:14px}
    .article-footer-nav{
      display:flex;justify-content:space-between;gap:18px;margin-top:42px;padding-top:24px;
      border-top:1px solid var(--line)
    }
    .back-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:750}
    .notice{
      margin-top:30px;padding:17px 20px;border:1px solid #e2c8bd;border-radius:var(--radius);
      color:#69463e;background:#fcf0e8;font-size:14px
    }
    .site-footer{padding:52px 0 24px;color:#f8eee8;background:var(--brand-dark)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:46px}
    .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800}
    .footer-mark{width:36px;height:36px;border-radius:10px;font-size:15px}
    .site-footer p{max-width:440px;margin:16px 0 0;color:#dfcfc9;font-size:14px}
    .footer-title{margin-bottom:12px;color:#fff;font-weight:800}
    .footer-links{margin:0;padding:0;list-style:none}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#dfcfc9;font-size:14px}
    .footer-links a:hover{color:#eaa294}
    .copyright{
      display:flex;justify-content:space-between;gap:24px;margin-top:42px;padding-top:18px;
      border-top:1px solid rgba(255,255,255,.16);color:#cbbab4;font-size:12px
    }
    @media(max-width:1023px){
      .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}
      .main-nav{gap:0}
      .main-nav a{padding-left:9px;padding-right:9px}
      .nav-actions .btn{display:none}
    }
    @media(max-width:767px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:68px}
      .brand-text{font-size:16px;max-width:220px}
      .brand-mark{width:38px;height:38px;border-radius:10px}
      .menu-toggle{display:grid;place-items:center;margin-left:auto;font-size:22px}
      .main-nav{
        display:none;position:absolute;left:14px;right:14px;top:76px;
        padding:8px;background:var(--panel);border:1px solid var(--line);
        border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .main-nav.is-open{display:flex}
      .main-nav a{min-height:46px;display:flex;align-items:center}
      .main-nav a.active:after{left:12px;right:auto;width:4px;height:24px;top:11px;bottom:auto}
      .breadcrumb-bar{padding-top:20px}
      .article-shell{padding-bottom:50px}
      .article-layout{display:block}
      .article-aside{position:static;margin-top:34px}
      h1{font-size:31px}
      .article-summary{font-size:16px}
      .cover-frame{margin-top:24px}
      .cover-frame img{aspect-ratio:4/3}
      .article-content{font-size:16px;line-height:1.9}
      .article-content h2{font-size:24px}
      .article-footer-nav{display:block}
      .article-footer-nav .btn{width:100%;margin-top:10px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .copyright{display:block;margin-top:30px}
      .copyright span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .brand-text{max-width:180px;font-size:15px}
      .article-meta{gap:8px 12px}
      .article-heading{padding-top:14px}
      .aside-panel{padding:18px}
    }

/* 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}