/* roulang page: index */
:root{
      --bg:#f4f2ee;
      --bg-soft:#ece8e2;
      --surface:#ffffff;
      --surface-2:#f8f6f2;
      --surface-3:#efebe5;
      --text:#18181b;
      --muted:#6f6b64;
      --line:#ddd7cf;
      --line-strong:#c9c1b5;
      --primary:#15171a;
      --primary-2:#30353b;
      --accent:#b48952;
      --accent-2:#6a8a92;
      --accent-soft:rgba(180,137,82,.12);
      --good:#2f7d5b;
      --shadow:0 16px 40px rgba(22, 24, 28, .08);
      --shadow-soft:0 10px 24px rgba(22, 24, 28, .06);
      --radius:18px;
      --radius-sm:12px;
      --radius-lg:28px;
      --container:1220px;
      --header-h:92px;
      --transition:180ms cubic-bezier(.2,.8,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(180,137,82,.10), transparent 26%),
        radial-gradient(circle at 88% 12%, rgba(106,138,146,.10), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(22,24,28,.06), transparent 28%),
        linear-gradient(180deg, #f8f6f2 0%, var(--bg) 100%);
      font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      letter-spacing:.01em;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before,
    body::after{
      content:"";
      position:fixed;
      inset:auto;
      pointer-events:none;
      z-index:-1;
      filter:blur(32px);
      opacity:.55;
    }
    body::before{
      width:320px;height:320px;
      left:-120px;top:120px;
      background:radial-gradient(circle, rgba(180,137,82,.14), transparent 66%);
    }
    body::after{
      width:380px;height:380px;
      right:-140px;bottom:-120px;
      background:radial-gradient(circle, rgba(106,138,146,.14), transparent 66%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{
      border:0;
      background:none;
      color:inherit;
      padding:0;
      cursor:pointer;
    }
    ::selection{background:rgba(180,137,82,.22);color:var(--text)}
    :focus-visible{
      outline:3px solid rgba(180,137,82,.28);
      outline-offset:2px;
    }
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:saturate(1.2) blur(16px);
      background:rgba(244,242,238,.84);
      border-bottom:1px solid rgba(221,215,207,.85);
    }
    .header-shell{
      padding:16px 0 14px;
    }
    .header-top{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:4px;
      min-width:0;
    }
    .brand-mark{
      font-size:clamp(1.4rem, 2vw, 2rem);
      line-height:1.1;
      font-weight:800;
      letter-spacing:.02em;
      color:var(--primary);
      text-wrap:balance;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
      letter-spacing:.12em;
      text-transform:none;
    }
    .header-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 14px;
      color:var(--muted);
      font-size:.84rem;
      white-space:nowrap;
    }
    .header-meta span{
      position:relative;
      padding-left:14px;
    }
    .header-meta span::before{
      content:"";
      position:absolute;
      left:0;top:50%;
      width:5px;height:5px;
      border-radius:50%;
      transform:translateY(-50%);
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.10);
    }
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-width:84px;
      height:42px;
      padding:0 16px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--primary);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .menu-toggle:hover{transform:translateY(-1px);border-color:var(--line-strong);background:#fff}
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(221,215,207,.8);
      flex-wrap:wrap;
    }
    .site-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 14px;
      border-radius:999px;
      color:#3a3630;
      border:1px solid transparent;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .site-nav a:hover{
      transform:translateY(-1px);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 8px 18px rgba(22,24,28,.05);
    }
    .site-nav a.is-active,
    .site-nav a[aria-current="page"]{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 12px 24px rgba(22,24,28,.16);
    }
    .top-strip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 0 0;
      color:var(--muted);
      font-size:.8rem;
      letter-spacing:.08em;
    }
    .top-strip strong{
      color:var(--primary);
      font-weight:700;
    }
    .section{
      padding:clamp(3rem, 5vw, 5rem) 0;
      scroll-margin-top:calc(var(--header-h) + 24px);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:1.5rem;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.14em;
      text-transform:uppercase;
      color:var(--accent);
      margin-bottom:10px;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:1px;
      background:currentColor;
      opacity:.65;
    }
    .section h2{
      margin:0;
      font-size:clamp(1.55rem, 2.6vw, 2.5rem);
      line-height:1.15;
      letter-spacing:-.02em;
      text-wrap:balance;
    }
    .section-lead{
      margin:0;
      max-width:54ch;
      color:var(--muted);
      font-size:.98rem;
      line-height:1.9;
    }
    .hero{
      padding-top:clamp(2rem, 4vw, 3.5rem);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      padding:clamp(1.25rem, 2vw, 1.75rem);
      border:1px solid rgba(221,215,207,.88);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(248,246,242,.78));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-copy::before{
      content:"";
      position:absolute;
      inset:auto -8% -18% auto;
      width:320px;height:320px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(180,137,82,.10), transparent 68%);
      pointer-events:none;
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      inset:20px;
      border:1px solid rgba(221,215,207,.55);
      border-radius:calc(var(--radius-lg) - 8px);
      pointer-events:none;
    }
    .hero-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:16px;
      padding:8px 12px;
      border:1px solid rgba(180,137,82,.18);
      border-radius:999px;
      background:rgba(180,137,82,.08);
      color:#8e6836;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.08em;
    }
    .hero-label i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(180,137,82,.12);
      display:inline-block;
    }
    .hero h1{
      margin:0;
      max-width:12ch;
      font-size:clamp(2.35rem, 5vw, 4.55rem);
      line-height:.96;
      letter-spacing:-.05em;
      text-wrap:balance;
    }
    .hero-text{
      position:relative;
      z-index:1;
      max-width:58ch;
      margin:18px 0 0;
      color:#49443e;
      font-size:1.02rem;
      line-height:1.95;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.02em;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition), opacity var(--transition);
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 26px rgba(22,24,28,.18);
      border-color:var(--primary);
    }
    .btn-primary:hover{background:#0f1113;border-color:#0f1113}
    .btn-secondary{
      background:rgba(255,255,255,.75);
      color:var(--primary);
      border-color:var(--line);
      box-shadow:var(--shadow-soft);
    }
    .btn-secondary:hover{
      background:#fff;
      border-color:var(--line-strong);
    }
    .btn-ghost{
      padding-inline:6px;
      color:var(--muted);
      min-height:auto;
      background:transparent;
      border:0;
    }
    .hero-pills{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
      position:relative;
      z-index:1;
    }
    .hero-pills li{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(221,215,207,.95);
      color:#514c45;
      box-shadow:0 10px 18px rgba(22,24,28,.05);
      font-size:.88rem;
    }
    .hero-pills li::before{
      content:"";
      width:7px;height:7px;
      border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 4px rgba(47,125,91,.10);
      flex:0 0 auto;
    }
    .hero-stage{
      position:relative;
      min-height:560px;
      display:grid;
      place-items:stretch;
      border-radius:var(--radius-lg);
    }
    .cover-card{
      position:absolute;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .cover-main{
      inset:0;
      background:
        linear-gradient(145deg, rgba(24,25,29,.98) 0%, rgba(33,34,39,.96) 45%, rgba(48,45,40,.98) 100%);
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      color:#f3f0ea;
    }
    .cover-main::before{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      pointer-events:none;
    }
    .cover-main::after{
      content:"";
      position:absolute;
      right:-8%;
      top:8%;
      width:220px;
      height:220px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(180,137,82,.22), transparent 66%);
      filter:blur(4px);
    }
    .cover-top{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .cover-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      font-size:.78rem;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .cover-badge::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.14);
    }
    .cover-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-size:.78rem;
      color:#d8d4cb;
    }
    .cover-visual{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:10px;
      align-items:end;
      margin-top:auto;
    }
    .cover-text{
      grid-column:1 / span 8;
      min-width:0;
    }
    .cover-title{
      margin:0;
      font-size:clamp(1.7rem, 2.8vw, 2.9rem);
      line-height:1;
      letter-spacing:-.05em;
    }
    .cover-sub{
      margin:12px 0 0;
      max-width:24ch;
      color:#d5d1c8;
      line-height:1.7;
      font-size:.98rem;
    }
    .cover-progress{
      grid-column:1 / -1;
      display:flex;
      gap:8px;
      margin-top:14px;
      align-items:center;
    }
    .cover-progress span{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      flex:1;
      overflow:hidden;
      position:relative;
    }
    .cover-progress span::before{
      content:"";
      position:absolute;
      inset:0;
      width:var(--w, 60%);
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(180,137,82,.95), rgba(226,205,167,.9));
      box-shadow:0 0 24px rgba(180,137,82,.28);
    }
    .cover-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      grid-column:1 / -1;
      color:#a8a29b;
      font-size:.82rem;
      letter-spacing:.08em;
    }
    .cover-mini{
      position:absolute;
      right:-10px;
      min-width:150px;
      padding:14px 14px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.94);
      color:var(--primary);
      box-shadow:var(--shadow);
      border:1px solid rgba(221,215,207,.88);
      backdrop-filter:blur(8px);
    }
    .cover-mini strong{
      display:block;
      font-size:1rem;
      line-height:1.2;
    }
    .cover-mini small{
      display:block;
      margin-top:6px;
      color:var(--muted);
      line-height:1.4;
    }
    .cover-mini.one{top:18px; transform:rotate(2deg)}
    .cover-mini.two{top:150px; right:-18px; transform:rotate(-2deg)}
    .cover-mini.three{bottom:24px; right:34px; transform:rotate(3deg)}
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(6,minmax(0,1fr));
      gap:14px;
    }
    .metric-card{
      position:relative;
      padding:18px 18px 16px;
      background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(248,246,242,.82));
      border:1px solid rgba(221,215,207,.88);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
      overflow:hidden;
      min-height:148px;
    }
    .metric-card::before{
      content:"";
      position:absolute;
      inset:auto -12% -24% auto;
      width:120px;height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(180,137,82,.12), transparent 68%);
      pointer-events:none;
    }
    .metric-card:hover{
      transform:translateY(-4px);
      border-color:rgba(180,137,82,.42);
      box-shadow:0 18px 32px rgba(22,24,28,.10);
    }
    .metric-value{
      font-size:clamp(1.7rem, 2.6vw, 2.35rem);
      line-height:1;
      font-weight:800;
      letter-spacing:-.04em;
      color:var(--primary);
      margin-bottom:10px;
    }
    .metric-title{
      margin:0;
      font-size:1rem;
      font-weight:800;
      color:#312d28;
    }
    .metric-desc{
      margin:8px 0 0;
      color:var(--muted);
      font-size:.88rem;
      line-height:1.75;
    }
    .metric-chip{
      display:inline-flex;
      align-items:center;
      margin-top:14px;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#7a5a2f;
      font-size:.76rem;
      font-weight:700;
      letter-spacing:.08em;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .feature-card{
      position:relative;
      min-height:190px;
      padding:20px;
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:
        linear-gradient(180deg, rgba(255,255,255,.90), rgba(248,246,242,.86));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(180,137,82,.38);
      box-shadow:0 18px 34px rgba(22,24,28,.10);
    }
    .feature-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(180,137,82,.12);
      color:#866134;
      font-weight:800;
      letter-spacing:.04em;
      margin-bottom:16px;
      border:1px solid rgba(180,137,82,.18);
    }
    .feature-card h3{
      margin:0;
      font-size:1.06rem;
      line-height:1.25;
      letter-spacing:-.01em;
      color:var(--primary);
    }
    .feature-card p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:.92rem;
    }
    .compare-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
      gap:18px;
      align-items:stretch;
    }
    .compare-panel{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow-soft);
    }
    .compare-panel h3{
      margin:0 0 14px;
      font-size:1.12rem;
      line-height:1.25;
      color:var(--primary);
    }
    .compare-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .compare-list li{
      display:grid;
      grid-template-columns:92px minmax(0,1fr);
      gap:12px;
      align-items:start;
      padding:12px 0;
      border-top:1px solid rgba(221,215,207,.72);
    }
    .compare-list li:first-child{border-top:0;padding-top:0}
    .compare-list b{
      color:var(--primary);
      font-size:.88rem;
    }
    .compare-list span{
      color:var(--muted);
      line-height:1.8;
    }
    .compare-divider{
      display:grid;
      place-items:center;
      min-width:52px;
      color:#8a8176;
      font-size:.8rem;
      letter-spacing:.14em;
      text-transform:uppercase;
      writing-mode:vertical-rl;
      transform:rotate(180deg);
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .step-card{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(248,246,242,.82));
      box-shadow:var(--shadow-soft);
      min-height:182px;
      position:relative;
      overflow:hidden;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(180,137,82,.36);
      box-shadow:0 18px 32px rgba(22,24,28,.10);
    }
    .step-index{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--primary);
      color:#fff;
      font-weight:800;
      font-size:1rem;
      box-shadow:0 14px 26px rgba(22,24,28,.18);
      margin-bottom:16px;
    }
    .step-card h3{
      margin:0;
      font-size:1.06rem;
      line-height:1.25;
    }
    .step-card p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.8;
    }
    .promise-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .promise-card{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:18px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(221,215,207,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .promise-card:hover{
      transform:translateY(-3px);
      border-color:rgba(180,137,82,.36);
      box-shadow:0 16px 28px rgba(22,24,28,.10);
    }
    .promise-icon{
      width:40px;height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(106,138,146,.12);
      color:#49686e;
      font-weight:800;
      flex:0 0 auto;
      border:1px solid rgba(106,138,146,.18);
    }
    .promise-card h3{
      margin:0;
      font-size:1rem;
      line-height:1.25;
    }
    .promise-card p{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:.91rem;
    }
    .updates-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(290px,.65fr);
      gap:16px;
      align-items:start;
    }
    .updates-list{
      display:grid;
      gap:14px;
    }
    .news-card{
      display:grid;
      gap:12px;
      padding:18px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(221,215,207,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
      position:relative;
      overflow:hidden;
    }
    .news-card::before{
      content:"";
      position:absolute;
      left:0;top:0;
      width:4px;height:100%;
      background:linear-gradient(180deg, rgba(180,137,82,.9), rgba(106,138,146,.9));
      opacity:.8;
    }
    .news-card:hover{
      transform:translateY(-4px);
      border-color:rgba(180,137,82,.36);
      box-shadow:0 18px 32px rgba(22,24,28,.10);
    }
    .news-topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-left:8px;
      color:var(--muted);
      font-size:.82rem;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(221,215,207,.95);
      background:#fff;
      color:#4a453e;
      font-size:.76rem;
      font-weight:700;
      letter-spacing:.08em;
      white-space:nowrap;
    }
    .badge::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.10);
      flex:0 0 auto;
    }
    .news-card h3{
      margin:0 0 0 8px;
      font-size:1.15rem;
      line-height:1.42;
      letter-spacing:-.01em;
    }
    .news-card p{
      margin:0 0 0 8px;
      color:var(--muted);
      line-height:1.8;
    }
    .news-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-left:8px;
      color:var(--primary);
      font-weight:700;
      font-size:.92rem;
    }
    .news-link::after{
      content:"→";
      transition:transform var(--transition);
    }
    .news-card:hover .news-link::after{transform:translateX(2px)}
    .updates-rail{
      display:grid;
      gap:14px;
      position:sticky;
      top:calc(var(--header-h) + 18px);
    }
    .rail-card{
      padding:18px;
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(248,246,242,.84));
      box-shadow:var(--shadow-soft);
    }
    .rail-card h3{
      margin:0;
      font-size:1.02rem;
      line-height:1.35;
      color:var(--primary);
    }
    .rail-card p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.85;
    }
    .rail-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .rail-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#49443e;
      line-height:1.8;
    }
    .rail-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.55em;
      border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(106,138,146,.12);
      flex:0 0 auto;
    }
    .rail-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .rail-meta span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(180,137,82,.08);
      border:1px solid rgba(180,137,82,.16);
      color:#7c5c30;
      font-size:.82rem;
      font-weight:700;
    }
    .empty-state{
      padding:24px 18px;
      border-radius:var(--radius);
      border:1px dashed rgba(201,193,181,.95);
      background:rgba(255,255,255,.7);
      color:var(--muted);
      text-align:center;
      box-shadow:var(--shadow-soft);
    }
    .faq-grid{
      display:grid;
      gap:14px;
      max-width:920px;
    }
    .faq-item{
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color var(--transition), box-shadow var(--transition);
    }
    .faq-item[open]{
      border-color:rgba(180,137,82,.34);
      box-shadow:0 18px 32px rgba(22,24,28,.09);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      font-weight:800;
      color:var(--primary);
      font-size:1rem;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:32px;
      height:32px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(180,137,82,.10);
      color:#805f32;
      font-size:1.1rem;
      flex:0 0 auto;
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(180,137,82,.16);
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.9;
    }
    .contact-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);
      gap:16px;
      align-items:start;
    }
    .contact-panel{
      padding:22px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(221,215,207,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,246,242,.86));
      box-shadow:var(--shadow);
    }
    .contact-panel h3{
      margin:0;
      font-size:1.25rem;
      line-height:1.25;
      color:var(--primary);
    }
    .contact-panel p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.9;
    }
    .contact-form{
      display:grid;
      gap:14px;
      margin-top:18px;
    }
    .form-row{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      color:#4e4942;
      font-size:.88rem;
      font-weight:700;
    }
    .field input,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.94);
      color:var(--text);
      padding:14px 15px;
      outline:none;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
    }
    .field textarea{
      min-height:132px;
      resize:vertical;
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#9a9287}
    .field input:focus,
    .field textarea:focus{
      border-color:rgba(180,137,82,.55);
      box-shadow:0 0 0 4px rgba(180,137,82,.10);
      background:#fff;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-top:4px;
    }
    .form-note{
      color:var(--muted);
      font-size:.86rem;
      line-height:1.7;
    }
    .contact-aside{
      display:grid;
      gap:14px;
      position:sticky;
      top:calc(var(--header-h) + 18px);
    }
    .aside-card{
      padding:18px;
      border-radius:var(--radius);
      border:1px solid rgba(221,215,207,.9);
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow-soft);
    }
    .aside-card h3{
      margin:0;
      font-size:1rem;
      color:var(--primary);
      line-height:1.35;
    }
    .aside-card p{
      margin:10px 0 0;
      color:var(--muted);
      line-height:1.85;
    }
    .aside-card .rail-meta{margin-top:12px}
    .site-footer{
      padding:clamp(2rem, 4vw, 3rem) 0 2rem;
      border-top:1px solid rgba(221,215,207,.88);
      background:rgba(255,255,255,.42);
      backdrop-filter:blur(8px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .9fr;
      gap:20px;
      align-items:start;
    }
    .footer-brand{
      display:grid;
      gap:12px;
    }
    .footer-brand strong{
      font-size:1.18rem;
      color:var(--primary);
      letter-spacing:.02em;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.9;
      max-width:42ch;
    }
    .footer-links,
    .footer-notes{
      display:grid;
      gap:10px;
    }
    .footer-links a,
    .footer-notes span{
      color:#4a453e;
      line-height:1.8;
    }
    .footer-links a{
      display:inline-flex;
      width:max-content;
      transition:transform var(--transition), color var(--transition);
    }
    .footer-links a:hover{
      transform:translateX(3px);
      color:var(--primary);
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:16px;
      border-top:1px solid rgba(221,215,207,.84);
      color:var(--muted);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      font-size:.84rem;
    }
    .news-card time,
    .meta-time{
      color:var(--muted);
      white-space:nowrap;
    }
    .sr-only{
      position:absolute!important;
      width:1px!important;
      height:1px!important;
      padding:0!important;
      margin:-1px!important;
      overflow:hidden!important;
      clip:rect(0,0,0,0)!important;
      border:0!important;
      white-space:nowrap!important;
    }

    @media (max-width: 1120px){
      .metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
      .hero-grid{grid-template-columns:1fr}
      .hero-stage{min-height:520px}
      .updates-layout,
      .contact-grid{grid-template-columns:1fr}
      .updates-rail,
      .contact-aside{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 860px){
      .menu-toggle{display:inline-flex}
      .header-top{align-items:center}
      .header-meta{display:none}
      .site-nav{
        display:none;
        margin-top:12px;
        padding-top:12px;
      }
      body.nav-open .site-nav{
        display:flex;
      }
      .site-nav a{
        width:100%;
        justify-content:flex-start;
      }
      .site-nav{
        flex-direction:column;
        align-items:stretch;
        gap:8px;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .matrix-grid,
      .guide-grid,
      .promise-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .compare-shell{
        grid-template-columns:1fr;
      }
      .compare-divider{
        writing-mode:horizontal-tb;
        transform:none;
        min-width:unset;
        padding:6px 0;
      }
      .compare-list li{grid-template-columns:80px minmax(0,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{width:min(calc(100% - 24px), var(--container))}
      .hero h1{max-width:100%}
      .hero-stage{min-height:430px}
      .hero-actions{gap:10px}
      .btn{width:100%}
      .hero-pills{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
      .metrics-grid,
      .matrix-grid,
      .guide-grid,
      .promise-grid,
      .form-row{
        grid-template-columns:1fr;
      }
      .metric-card,
      .feature-card,
      .step-card,
      .promise-card,
      .contact-panel{padding:18px}
      .compare-list li{
        grid-template-columns:1fr;
        gap:4px;
      }
      .news-topline{
        align-items:flex-start;
        flex-direction:column;
      }
      .cover-mini{display:none}
      .cover-main{padding:20px}
      .cover-text{grid-column:1 / -1}
      .cover-sub{max-width:100%}
      .footer-bottom{flex-direction:column}
    }

/* roulang page: article */
:root{
      --bg:#f4f2ee;
      --bg-soft:#ece8e2;
      --surface:#ffffff;
      --surface-2:#f8f6f2;
      --surface-3:#efebe5;
      --text:#18181b;
      --muted:#6f6b64;
      --line:#ddd7cf;
      --line-strong:#c9c1b5;
      --primary:#15171a;
      --primary-2:#30353b;
      --accent:#b48952;
      --accent-2:#6a8a92;
      --accent-soft:rgba(180,137,82,.12);
      --good:#2f7d5b;
      --shadow:0 16px 40px rgba(22, 24, 28, .08);
      --shadow-soft:0 10px 24px rgba(22, 24, 28, .06);
      --radius:18px;
      --radius-sm:12px;
      --radius-lg:28px;
      --container:1220px;
      --header-h:92px;
      --transition:180ms cubic-bezier(.2,.8,.2,1);
    }

    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(180,137,82,.10), transparent 26%),
        radial-gradient(circle at 88% 12%, rgba(106,138,146,.10), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(22,24,28,.06), transparent 28%),
        linear-gradient(180deg, #f8f6f2 0%, var(--bg) 100%);
      font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      letter-spacing:.01em;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before,
    body::after{
      content:"";
      position:fixed;
      inset:auto;
      pointer-events:none;
      z-index:-1;
      filter:blur(32px);
      opacity:.55;
    }
    body::before{
      width:320px;height:320px;
      left:-120px;top:120px;
      background:radial-gradient(circle, rgba(180,137,82,.14), transparent 66%);
    }
    body::after{
      width:380px;height:380px;
      right:-140px;bottom:-120px;
      background:radial-gradient(circle, rgba(106,138,146,.14), transparent 66%);
    }
    ::selection{
      background:rgba(180,137,82,.22);
      color:var(--primary);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{
      border:0;
      background:none;
      color:inherit;
      padding:0;
      cursor:pointer;
    }
    input,textarea{
      width:100%;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      color:var(--text);
      border-radius:14px;
      padding:14px 16px;
      outline:none;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
      box-shadow:0 1px 0 rgba(255,255,255,.9) inset;
    }
    input::placeholder,
    textarea::placeholder{
      color:#9a948b;
    }
    input:hover,
    textarea:hover{
      border-color:var(--line-strong);
      background:#fff;
    }
    input:focus,
    textarea:focus{
      border-color:rgba(180,137,82,.95);
      box-shadow:0 0 0 4px rgba(180,137,82,.12);
      background:#fff;
    }
    textarea{min-height:140px;resize:vertical}

    .container{
      width:min(calc(100% - 32px), var(--container));
      margin-inline:auto;
    }
    .skip-link{
      position:absolute;
      left:12px;
      top:12px;
      z-index:100;
      transform:translateY(-180%);
      background:var(--primary);
      color:#fff;
      padding:10px 14px;
      border-radius:999px;
      box-shadow:var(--shadow);
      transition:transform var(--transition);
    }
    .skip-link:focus{transform:translateY(0)}

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:saturate(1.15) blur(16px);
      background:rgba(244,242,238,.86);
      border-bottom:1px solid rgba(221,215,207,.9);
    }
    .header-shell{
      padding:16px 0 14px;
    }
    .header-top{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:4px;
      min-width:0;
    }
    .brand-mark{
      font-size:clamp(1.45rem, 2vw, 2.05rem);
      line-height:1.1;
      font-weight:800;
      letter-spacing:.02em;
      color:var(--primary);
      text-wrap:balance;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
      letter-spacing:.14em;
      text-transform:none;
    }
    .header-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 14px;
      color:var(--muted);
      font-size:.84rem;
      white-space:nowrap;
    }
    .header-meta span{
      position:relative;
      padding-left:14px;
    }
    .header-meta span::before{
      content:"";
      position:absolute;
      left:0;top:50%;
      width:5px;height:5px;
      border-radius:50%;
      transform:translateY(-50%);
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.10);
    }
    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-width:84px;
      height:42px;
      padding:0 16px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--primary);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .menu-toggle:hover{
      transform:translateY(-1px);
      border-color:var(--line-strong);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .menu-toggle:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(180,137,82,.12), var(--shadow);
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(221,215,207,.8);
      flex-wrap:wrap;
    }
    .site-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 14px;
      border-radius:999px;
      color:#3a3630;
      border:1px solid transparent;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .site-nav a:hover{
      transform:translateY(-1px);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 8px 18px rgba(22,24,28,.05);
    }
    .site-nav a.is-active,
    .site-nav a[aria-current="page"]{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 12px 24px rgba(22,24,28,.16);
    }

    .reading-progress{
      position:fixed;
      left:0;
      top:0;
      width:100%;
      height:3px;
      z-index:90;
      background:rgba(22,24,28,.03);
      pointer-events:none;
    }
    .reading-progress span{
      display:block;
      width:0%;
      height:100%;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      box-shadow:0 0 16px rgba(180,137,82,.24);
      transition:width 80ms linear;
    }

    .section{
      padding:clamp(2.8rem, 4.8vw, 5rem) 0;
      scroll-margin-top:calc(var(--header-h) + 24px);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:1.4rem;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.14em;
      text-transform:uppercase;
      color:var(--accent);
      margin-bottom:10px;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:1px;
      background:currentColor;
      opacity:.65;
    }
    .section h2{
      margin:0;
      font-size:clamp(1.55rem, 2.6vw, 2.5rem);
      line-height:1.15;
      letter-spacing:-.02em;
      text-wrap:balance;
    }
    .section-lead{
      margin:0;
      max-width:58ch;
      color:var(--muted);
      font-size:.98rem;
      line-height:1.9;
    }

    .hero{
      padding-top:clamp(1.8rem, 3.6vw, 3.2rem);
    }
    .hero-panel{
      padding:clamp(1.2rem, 2vw, 1.8rem);
      border:1px solid rgba(221,215,207,.92);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(248,246,242,.92));
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(180,137,82,.08), transparent 36%),
        linear-gradient(315deg, rgba(106,138,146,.08), transparent 30%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:24px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      gap:18px;
      min-width:0;
    }
    .hero-copy h1{
      margin:0;
      font-size:clamp(2.15rem, 4vw, 4.2rem);
      line-height:1.02;
      letter-spacing:-.04em;
      text-wrap:balance;
      max-width:12ch;
    }
    .hero-summary{
      margin:0;
      max-width:60ch;
      color:var(--muted);
      font-size:1.03rem;
      line-height:1.9;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      color:#433f39;
      font-size:.86rem;
      line-height:1;
      box-shadow:0 1px 0 rgba(255,255,255,.9) inset;
    }
    .meta-pill::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.12);
      flex:none;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:2px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition), opacity var(--transition);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
    }
    .btn:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(180,137,82,.14);
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 14px 24px rgba(22,24,28,.16);
    }
    .btn-primary:hover{
      background:#0f1113;
      border-color:#0f1113;
    }
    .btn-secondary{
      background:rgba(255,255,255,.82);
      color:var(--primary);
      border-color:var(--line);
      box-shadow:0 8px 18px rgba(22,24,28,.05);
    }
    .btn-secondary:hover{
      border-color:var(--line-strong);
      background:#fff;
    }
    .btn-accent{
      background:var(--accent);
      color:#fff;
      border-color:var(--accent);
      box-shadow:0 12px 22px rgba(180,137,82,.18);
    }
    .btn-accent:hover{
      background:#a77b43;
      border-color:#a77b43;
    }
    .btn-ghost{
      background:transparent;
      color:var(--primary);
      border-color:var(--line);
    }

    .hero-scan{
      display:flex;
      align-items:stretch;
    }
    .scan-card{
      width:100%;
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(221,215,207,.92);
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,246,242,.86));
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .scan-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
    }
    .scan-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:.8rem;
      font-weight:700;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .scan-kicker::before{
      content:"";
      width:18px;
      height:1px;
      background:currentColor;
      opacity:.75;
    }
    .scan-big{
      font-size:clamp(1.6rem, 2.3vw, 2.5rem);
      line-height:1;
      font-weight:800;
      letter-spacing:-.04em;
      color:var(--primary);
    }
    .scan-note{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.8;
    }
    .progress-wrap{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .progress-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-size:.84rem;
    }
    .progress-bar{
      width:100%;
      height:10px;
      border-radius:999px;
      overflow:hidden;
      background:var(--surface-3);
      border:1px solid rgba(201,193,181,.7);
    }
    .progress-bar > span{
      display:block;
      height:100%;
      width:0%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      box-shadow:0 8px 18px rgba(180,137,82,.18);
      transition:width 80ms linear;
    }
    .scan-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .scan-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#3d3933;
      font-size:.92rem;
      line-height:1.75;
      padding:10px 0;
      border-top:1px solid rgba(221,215,207,.8);
    }
    .scan-list li:first-child{border-top:0;padding-top:0}
    .scan-list li::before{
      content:"";
      flex:none;
      width:8px;
      height:8px;
      margin-top:.55em;
      border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 4px rgba(47,125,91,.10);
    }

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .metric-card{
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.88);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      min-height:152px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:14px;
    }
    .metric-card:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .metric-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
    }
    .metric-label{
      color:var(--muted);
      font-size:.88rem;
    }
    .metric-value{
      font-size:clamp(1.6rem, 2.2vw, 2.25rem);
      line-height:1;
      font-weight:800;
      letter-spacing:-.04em;
      color:var(--primary);
    }
    .metric-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent);
      font-size:.8rem;
      font-weight:700;
      white-space:nowrap;
    }
    .metric-desc{
      margin:0;
      color:#4c473f;
      font-size:.92rem;
      line-height:1.75;
    }

    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .matrix-card{
      position:relative;
      overflow:hidden;
      padding:20px;
      border-radius:22px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,246,242,.88));
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      min-height:186px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .matrix-card:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .matrix-head{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .matrix-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(180deg, rgba(180,137,82,.14), rgba(180,137,82,.08));
      color:var(--accent);
      border:1px solid rgba(180,137,82,.18);
      flex:none;
      box-shadow:0 10px 16px rgba(180,137,82,.08);
    }
    .matrix-title{
      margin:0;
      font-size:1.08rem;
      line-height:1.35;
      letter-spacing:-.01em;
      color:var(--primary);
    }
    .matrix-text{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.8;
    }
    .matrix-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .tiny-tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:var(--surface-2);
      border:1px solid var(--line);
      color:#4a443c;
      font-size:.8rem;
      font-weight:700;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .compare-card{
      padding:20px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.9);
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .compare-card::after{
      content:"";
      position:absolute;
      inset:auto -40px -40px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(180,137,82,.12), transparent 68%);
      pointer-events:none;
    }
    .compare-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .compare-head strong{
      font-size:1.08rem;
      letter-spacing:-.01em;
    }
    .compare-state{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      font-size:.8rem;
      font-weight:700;
      white-space:nowrap;
    }
    .compare-state.is-soft{
      background:rgba(22,24,28,.05);
      color:#4a4640;
    }
    .compare-state.is-good{
      background:rgba(47,125,91,.10);
      color:var(--good);
    }
    .compare-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .compare-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:10px;
      align-items:flex-start;
      color:#403b34;
      line-height:1.75;
    }
    .compare-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.55em;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.12);
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1.6fr) minmax(300px,.8fr);
      gap:20px;
      align-items:start;
    }
    .content-card,
    .side-card{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow-soft);
    }
    .content-card{
      padding:clamp(18px, 2vw, 28px);
      min-height:320px;
    }
    .article-toolbar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      margin-bottom:18px;
      padding-bottom:16px;
      border-bottom:1px solid rgba(221,215,207,.8);
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:.88rem;
    }
    .crumbs a{
      color:#47423b;
      transition:color var(--transition);
    }
    .crumbs a:hover{color:var(--accent)}
    .article-tools{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .article-summary{
      padding:16px;
      border:1px solid rgba(221,215,207,.88);
      border-radius:18px;
      background:linear-gradient(180deg, rgba(248,246,242,.96), rgba(255,255,255,.94));
      margin-bottom:20px;
    }
    .article-summary h3{
      margin:0 0 8px;
      font-size:1.02rem;
      line-height:1.4;
      color:var(--primary);
    }
    .article-summary p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      font-size:.95rem;
    }

    .cms-article{
      color:#1d1d20;
      font-size:16px;
      line-height:1.95;
      word-break:break-word;
      overflow:hidden;
    }
    .cms-article > *:first-child{margin-top:0}
    .cms-article > *:last-child{margin-bottom:0}
    .cms-article h1,
    .cms-article h2,
    .cms-article h3,
    .cms-article h4{
      line-height:1.25;
      letter-spacing:-.02em;
      color:var(--primary);
      text-wrap:balance;
      margin:1.8em 0 .7em;
    }
    .cms-article h2{font-size:1.55rem}
    .cms-article h3{font-size:1.22rem}
    .cms-article h4{font-size:1.05rem}
    .cms-article p{
      margin:1em 0;
      color:#2b2a2f;
    }
    .cms-article a{
      color:var(--accent);
      text-decoration:underline;
      text-underline-offset:2px;
      transition:color var(--transition), opacity var(--transition);
    }
    .cms-article a:hover{color:#9f713c}
    .cms-article ul,
    .cms-article ol{
      margin:1em 0;
      padding-left:1.25rem;
    }
    .cms-article li{margin:.42em 0}
    .cms-article blockquote{
      margin:1.4em 0;
      padding:1rem 1.1rem;
      border-left:3px solid var(--accent);
      background:var(--surface-2);
      border-radius:0 16px 16px 0;
      color:#3d3933;
    }
    .cms-article hr{
      border:0;
      border-top:1px solid var(--line);
      margin:1.6em 0;
    }
    .cms-article img{
      max-width:100%;
      height:auto;
      border-radius:18px;
      margin:1.2em 0;
      box-shadow:var(--shadow-soft);
    }
    .cms-article figure{
      margin:1.3em 0;
    }
    .cms-article figcaption{
      margin-top:.6rem;
      color:var(--muted);
      font-size:.88rem;
      line-height:1.6;
      text-align:center;
    }
    .cms-article table{
      width:100%;
      border-collapse:collapse;
      margin:1.2em 0;
      display:block;
      overflow:auto;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
    }
    .cms-article th,
    .cms-article td{
      padding:.8rem .9rem;
      border-bottom:1px solid rgba(221,215,207,.8);
      white-space:nowrap;
      text-align:left;
    }
    .cms-article th{
      background:var(--surface-2);
      color:var(--primary);
      font-weight:700;
    }
    .cms-article pre{
      margin:1.2em 0;
      padding:1rem 1.1rem;
      overflow:auto;
      border-radius:18px;
      background:#121417;
      color:#e8eaed;
      box-shadow:0 16px 28px rgba(18,20,23,.14);
    }
    .cms-article code{
      padding:.18rem .34rem;
      border-radius:6px;
      background:rgba(180,137,82,.10);
      color:#6d4a1f;
      font-size:.92em;
    }
    .cms-article pre code{
      padding:0;
      border-radius:0;
      background:none;
      color:inherit;
      font-size:inherit;
    }
    .cms-article .aligncenter,
    .cms-article .center{
      display:block;
      margin-left:auto;
      margin-right:auto;
      text-align:center;
    }

    .article-sidebar{
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:18px;
    }
    .side-card h3{
      margin:0 0 12px;
      font-size:1.02rem;
      line-height:1.35;
      color:var(--primary);
    }
    .side-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#444038;
      font-size:.92rem;
      line-height:1.75;
    }
    .side-list li::before{
      content:"";
      flex:none;
      width:8px;
      height:8px;
      margin-top:.55em;
      border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 4px rgba(47,125,91,.10);
    }
    .side-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .side-links a{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:var(--surface-2);
      border:1px solid var(--line);
      color:#473f36;
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .side-links a:hover{
      transform:translateY(-1px);
      border-color:var(--line-strong);
      background:#fff;
    }
    .highlight-box{
      padding:14px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(180,137,82,.10), rgba(180,137,82,.05));
      border:1px solid rgba(180,137,82,.18);
      color:#5b4120;
      line-height:1.8;
      font-size:.92rem;
    }

    .updates-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .news-card{
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      display:flex;
      flex-direction:column;
      gap:12px;
      min-height:220px;
    }
    .news-card:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .news-top{
      display:flex;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .news-chip{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:var(--surface-2);
      border:1px solid var(--line);
      color:#4b443c;
      font-size:.8rem;
      font-weight:700;
    }
    .news-time{
      color:var(--muted);
      font-size:.82rem;
      white-space:nowrap;
    }
    .news-title{
      margin:0;
      font-size:1.12rem;
      line-height:1.4;
      letter-spacing:-.01em;
      color:var(--primary);
    }
    .news-desc{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      font-size:.93rem;
      flex:1;
    }
    .news-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-top:12px;
      border-top:1px solid rgba(221,215,207,.72);
    }
    .news-foot span{
      color:var(--muted);
      font-size:.84rem;
    }
    .news-foot a{
      color:var(--accent);
      font-weight:700;
      font-size:.86rem;
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      color:var(--primary);
      transition:background var(--transition);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:hover{
      background:rgba(248,246,242,.92);
    }
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      flex:none;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--surface-2);
      border:1px solid var(--line);
      color:var(--primary);
      font-size:1rem;
      font-weight:700;
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:var(--primary);
      color:#fff;
    }
    .faq-answer{
      padding:0 18px 16px;
      color:var(--muted);
      line-height:1.9;
    }

    .cta-panel{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
      gap:18px;
      align-items:stretch;
    }
    .cta-copy,
    .cta-form-wrap{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .cta-copy h2{
      margin-bottom:10px;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
      line-height:1.9;
    }
    .cta-bullets{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:10px;
    }
    .cta-bullets li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#403b34;
      line-height:1.75;
    }
    .cta-bullets li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.58em;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(180,137,82,.12);
      flex:none;
    }
    .form-grid{
      display:grid;
      gap:12px;
    }
    .field-row{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .field label{
      display:block;
      margin:0 0 8px;
      font-size:.88rem;
      color:var(--muted);
    }
    .form-note{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.7;
    }

    .empty-state{
      display:grid;
      place-items:center;
      gap:12px;
      min-height:260px;
      text-align:center;
      padding:24px;
    }
    .empty-ico{
      width:62px;
      height:62px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:linear-gradient(180deg, rgba(180,137,82,.14), rgba(180,137,82,.06));
      color:var(--accent);
      box-shadow:0 10px 18px rgba(180,137,82,.08);
      border:1px solid rgba(180,137,82,.18);
    }
    .empty-title{
      margin:0;
      font-size:1.28rem;
      line-height:1.35;
      color:var(--primary);
      font-weight:800;
    }
    .empty-state p{
      margin:0;
      color:var(--muted);
      line-height:1.9;
      max-width:42ch;
    }

    .site-footer{
      margin-top:clamp(2rem, 5vw, 4rem);
      padding:clamp(1.5rem, 3vw, 2rem) 0 1.15rem;
      border-top:1px solid rgba(221,215,207,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.42), rgba(248,246,242,.86));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .9fr 1fr;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(221,215,207,.86);
    }
    .footer-brand strong{
      display:block;
      font-size:1.08rem;
      line-height:1.35;
      color:var(--primary);
      margin-bottom:8px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      max-width:42ch;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-content:flex-start;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.76);
      color:#433d35;
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .footer-links a:hover{
      transform:translateY(-1px);
      border-color:var(--line-strong);
      background:#fff;
    }
    .footer-notes{
      display:grid;
      gap:8px;
      color:var(--muted);
      font-size:.88rem;
      line-height:1.7;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      padding-top:14px;
      color:var(--muted);
      font-size:.86rem;
    }

    .section-anchor{
      position:relative;
      top:-1px;
    }

    :where(.site-nav a,.btn,.footer-links a,.side-links a,.news-foot a,.crumbs a){-webkit-tap-highlight-color:transparent}
    :where(.site-nav a,.btn,.menu-toggle,.footer-links a,.side-links a,.news-foot a):active{transform:translateY(0)}
    :where(.site-nav a,.btn,.menu-toggle,.footer-links a,.side-links a,.news-foot a):focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(180,137,82,.14);
    }

    @media (max-width: 1080px){
      .hero-grid{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .matrix-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .updates-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .article-layout{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
    }

    @media (max-width: 920px){
      .header-top{
        align-items:center;
        flex-wrap:wrap;
      }
      .header-meta{
        order:3;
        width:100%;
        justify-content:flex-start;
        white-space:normal;
      }
      .menu-toggle{
        display:inline-flex;
        margin-left:auto;
      }
      .site-nav{
        display:none;
        margin-top:12px;
        padding:12px;
        border:1px solid var(--line);
        background:rgba(255,255,255,.96);
        border-radius:20px;
        box-shadow:var(--shadow);
      }
      .site-header.nav-open .site-nav{
        display:flex;
        flex-direction:column;
        align-items:stretch;
      }
      .site-nav a{
        justify-content:flex-start;
        width:100%;
      }
      .compare-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .field-row{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 768px){
      .section{padding:2.4rem 0}
      .hero-copy h1{max-width:unset}
      .stats-grid,
      .matrix-grid,
      .updates-grid{
        grid-template-columns:1fr;
      }
      .hero-summary,
      .section-lead{
        max-width:unset;
      }
      .article-toolbar{
        align-items:flex-start;
        flex-direction:column;
      }
      .article-tools{width:100%}
      .btn{
        width:100%;
      }
      .hero-actions{
        flex-direction:column;
      }
      .hero-panel{
        padding:16px;
      }
    }

    @media (max-width: 520px){
      .container{width:min(calc(100% - 22px), var(--container))}
      .header-shell{padding:12px 0 10px}
      .brand-mark{font-size:1.28rem}
      .brand-sub{letter-spacing:.08em}
      .scan-card,
      .content-card,
      .side-card,
      .cta-copy,
      .cta-form-wrap,
      .news-card,
      .matrix-card,
      .metric-card,
      .compare-card{
        border-radius:18px;
      }
      .hero-copy h1{
        font-size:clamp(1.9rem, 10vw, 2.6rem);
      }
      .scan-big{font-size:1.45rem}
      .section h2{font-size:clamp(1.3rem, 7vw, 1.9rem)}
      .hero-meta{gap:8px}
      .meta-pill{min-height:32px; font-size:.8rem}
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }