/* roulang page: index */
:root{
      --bg:#fbf6ef;
      --bg-soft:#fffaf3;
      --panel:#ffffff;
      --ink:#241c1a;
      --muted:#776b66;
      --muted-2:#9b8d84;
      --line:#eadfd4;
      --primary:#7f1d2d;
      --primary-2:#5c1421;
      --primary-soft:#f7e7e9;
      --accent:#b98243;
      --accent-soft:#f7ead9;
      --deep:#211516;
      --deep-2:#321b20;
      --success:#5f7043;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow:0 18px 50px rgba(72,35,28,.10);
      --shadow-hover:0 24px 70px rgba(72,35,28,.16);
      --container:1180px;
      --speed:.22s ease;
      --font:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(127,29,45,.09), transparent 28%),
        radial-gradient(circle at 90% 8%, rgba(185,130,67,.13), transparent 30%),
        var(--bg);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-age{
      background:var(--deep);
      color:#f6e9dc;
      font-size:13px;
      text-align:center;
      padding:8px 16px;
      letter-spacing:.02em;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,246,239,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,223,212,.78);
      transition:box-shadow var(--speed), background var(--speed);
    }
    .site-header.is-scrolled{box-shadow:0 10px 30px rgba(36,28,26,.08);background:rgba(251,246,239,.96)}
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 24px rgba(127,29,45,.24);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-name{font-size:16px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:360px}
    .brand-note{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:#4f423e;
      font-weight:700;
      font-size:14px;
      transition:background var(--speed), color var(--speed), transform var(--speed);
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:var(--primary-soft);color:var(--primary);outline:none;transform:translateY(-1px)}
    .nav-links a.active{background:var(--deep);color:#fff}
    .nav-action{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--line);
      background:#fff8ef;
      color:var(--primary);
    }
    .menu-toggle:focus-visible{outline:3px solid rgba(185,130,67,.35);outline-offset:3px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform var(--speed), box-shadow var(--speed), background var(--speed), color var(--speed), border-color var(--speed);
      user-select:none;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 30px rgba(127,29,45,.22);
    }
    .btn-primary:hover,.btn-primary:focus-visible{background:var(--primary-2);transform:translateY(-2px);box-shadow:0 18px 38px rgba(127,29,45,.30);outline:none}
    .btn-secondary{
      border:1px solid rgba(127,29,45,.26);
      color:var(--primary);
      background:rgba(255,255,255,.72);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{border-color:var(--primary);background:#fff;transform:translateY(-2px);outline:none}
    .btn:active{transform:translateY(0) scale(.98)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#7a4b1c;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(185,130,67,.22);
    }
    .badge.dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18);color:#f8dfbd}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:30px}
    .eyebrow{color:var(--primary);font-weight:900;font-size:14px;letter-spacing:.08em;margin-bottom:8px}
    h1,h2,h3{line-height:1.18;letter-spacing:-.035em}
    h1{font-size:clamp(40px,6vw,74px);font-weight:950;color:#fff;max-width:760px}
    h2{font-size:clamp(28px,3.5vw,44px);font-weight:930;color:var(--ink)}
    h3{font-size:20px;font-weight:900}
    .lead{font-size:18px;color:#f3ddd7;max-width:660px;margin-top:20px}
    .text-muted{color:var(--muted)}
    .hero{
      position:relative;
      min-height:720px;
      color:#fff;
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(33,21,22,.92), rgba(50,27,32,.72) 50%, rgba(33,21,22,.42)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:130px;
      background:linear-gradient(180deg,transparent,var(--bg));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 7fr) minmax(310px, 5fr);
      gap:48px;
      align-items:center;
      padding:96px 0 128px;
    }
    .hero-copy{padding-top:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
      color:#ead3c9;
      font-size:14px;
    }
    .trust-row span{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      background:rgba(255,255,255,.08);
    }
    .hero-panel{
      background:rgba(255,250,243,.92);
      color:var(--ink);
      border:1px solid rgba(255,255,255,.5);
      border-radius:var(--radius-lg);
      box-shadow:0 30px 90px rgba(0,0,0,.24);
      padding:18px;
      transform:translateY(20px);
    }
    .hero-image{
      position:relative;
      aspect-ratio:4/5;
      border-radius:22px;
      overflow:hidden;
      background:#eadfd4;
    }
    .hero-image img{width:100%;height:100%;object-fit:cover}
    .hero-image:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 35%,rgba(33,21,22,.70));
    }
    .image-caption{
      position:absolute;
      left:18px;right:18px;bottom:18px;
      z-index:1;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.88);
      color:var(--ink);
      backdrop-filter:blur(12px);
    }
    .image-caption strong{display:block;font-size:18px;margin-bottom:3px}
    .image-caption span{font-size:13px;color:var(--muted)}
    .quick-cards{
      position:relative;
      z-index:2;
      margin-top:-72px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .quick-card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:var(--shadow);
      min-height:150px;
      transition:transform var(--speed), box-shadow var(--speed), border-color var(--speed);
    }
    .quick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(127,29,45,.24)}
    .quick-card .icon{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:14px;
    }
    .quick-card p{color:var(--muted);font-size:14px;margin-top:8px}
    .intro-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:stretch;
    }
    .feature-large{
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:520px;
      position:relative;
      background:#dfd1c4;
      box-shadow:var(--shadow);
    }
    .feature-large img{width:100%;height:100%;object-fit:cover}
    .feature-large .overlay{
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(36,28,26,.02),rgba(36,28,26,.76));
      display:flex;
      align-items:flex-end;
      padding:30px;
      color:#fff;
    }
    .feature-large p{color:#f1ded1;margin-top:8px}
    .stack-cards{display:grid;grid-template-rows:1fr 1fr;gap:18px}
    .media-card{
      display:grid;
      grid-template-columns:160px 1fr;
      gap:18px;
      padding:18px;
      border-radius:var(--radius);
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:0 12px 36px rgba(72,35,28,.07);
      transition:transform var(--speed), box-shadow var(--speed);
    }
    .media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .media-thumb{
      border-radius:16px;
      overflow:hidden;
      background:#eadfd4;
      min-height:160px;
    }
    .media-thumb img{width:100%;height:100%;object-fit:cover}
    .media-card p{color:var(--muted);font-size:15px;margin-top:10px}
    .notice{
      background:linear-gradient(135deg,var(--deep),var(--deep-2));
      color:#fff;
      border-radius:var(--radius-lg);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:0 24px 70px rgba(33,21,22,.18);
    }
    .notice p{color:#ead7cf;margin-top:8px;max-width:760px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .pill{
      padding:8px 12px;
      border-radius:999px;
      background:#fff7ed;
      border:1px solid var(--line);
      color:#694e43;
      font-size:13px;
      font-weight:800;
    }
    .content-band{
      background:rgba(255,255,255,.52);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .updates-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:18px;
    }
    .post-card{
      position:relative;
      padding:22px;
      border-radius:var(--radius);
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:0 12px 36px rgba(72,35,28,.07);
      transition:transform var(--speed), box-shadow var(--speed), border-color var(--speed);
    }
    .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(127,29,45,.22)}
    .post-card h3{font-size:19px;margin:12px 0 10px}
    .post-card h3 a:hover{color:var(--primary)}
    .post-excerpt{color:var(--muted);font-size:15px;min-height:52px}
    .post-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid var(--line);
      color:var(--muted-2);
      font-size:13px;
    }
    .post-meta .cat{color:var(--primary);font-weight:900}
    .read-link{
      display:inline-flex;align-items:center;gap:6px;
      color:var(--primary);
      font-weight:900;
      margin-top:14px;
    }
    .read-link:hover{color:var(--accent)}
    .empty-state{
      grid-column:1/-1;
      padding:30px;
      border-radius:var(--radius);
      background:#fff;
      border:1px dashed rgba(127,29,45,.30);
      color:var(--muted);
      text-align:center;
      font-weight:700;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .proof-card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:26px;
      box-shadow:0 12px 36px rgba(72,35,28,.06);
    }
    .proof-number{font-size:34px;font-weight:950;color:var(--primary);line-height:1}
    .proof-card h3{margin-top:14px}
    .proof-card p{color:var(--muted);font-size:15px;margin-top:8px}
    .reading-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:center;
    }
    .reading-card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:34px;
      box-shadow:var(--shadow);
    }
    .check-list{list-style:none;margin-top:22px;display:grid;gap:13px}
    .check-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:#4b403c;
    }
    .check-list li:before{
      content:"✓";
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      flex:0 0 auto;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      font-size:13px;
      margin-top:3px;
    }
    .side-image{
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:430px;
      background:#eadfd4;
      box-shadow:var(--shadow);
      position:relative;
    }
    .side-image img{width:100%;height:100%;object-fit:cover}
    .side-image:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(120deg,rgba(127,29,45,.22),transparent 55%);
    }
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:0 10px 28px rgba(72,35,28,.05);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      padding:20px 22px;
      text-align:left;
      color:var(--ink);
      font-weight:900;
    }
    .faq-question:hover{background:#fff9f1}
    .faq-question:focus-visible{outline:3px solid rgba(185,130,67,.35);outline-offset:-3px}
    .faq-icon{
      width:26px;height:26px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      flex:0 0 auto;
      transition:transform var(--speed);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{max-height:220px}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta{
      padding:76px 0;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:52px;
      color:#fff;
      background:
        linear-gradient(105deg,rgba(33,21,22,.94),rgba(127,29,45,.80)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:0 30px 90px rgba(33,21,22,.22);
    }
    .cta-box:before{
      content:"";
      position:absolute;
      right:-90px;top:-90px;
      width:260px;height:260px;border-radius:50%;
      background:rgba(185,130,67,.20);
    }
    .cta-content{position:relative;z-index:1;max-width:760px}
    .cta-box h2{color:#fff}
    .cta-box p{color:#f0dcd4;margin-top:14px;font-size:17px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
    .site-footer{
      background:var(--deep);
      color:#f5e8dd;
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:28px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-title{font-size:18px;font-weight:950;margin-bottom:12px}
    .footer-logo{font-size:20px;font-weight:950;margin-bottom:10px}
    .footer-text,.footer-links a,.footer-small{color:#cdbdb5;font-size:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{transition:color var(--speed), transform var(--speed)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .domain-line{
      padding:10px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:#f4d9bd;
      display:inline-flex;
      margin-top:8px;
      border:1px solid rgba(255,255,255,.10);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#bdaea7;
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero-inner{grid-template-columns:1fr;gap:30px;padding:72px 0 120px}
      .hero-panel{max-width:560px;transform:none}
      .quick-cards{grid-template-columns:repeat(2,1fr)}
      .intro-grid,.reading-wrap{grid-template-columns:1fr}
      .feature-large{min-height:420px}
      .proof-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .nav-wrap{min-height:68px}
      .brand-name{max-width:230px;font-size:14px}
      .brand-note{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        left:14px;right:14px;top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:20px;
        background:#fffaf3;
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{border-radius:14px}
      .nav-action .btn{display:none}
      .hero{min-height:auto}
      .hero-inner{padding:54px 0 108px}
      h1{font-size:40px}
      .lead{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .quick-cards,.updates-grid,.proof-grid{grid-template-columns:1fr}
      .media-card{grid-template-columns:1fr}
      .media-thumb{aspect-ratio:16/10;min-height:auto}
      .notice{grid-template-columns:1fr;padding:26px}
      .section{padding:62px 0}
      .footer-grid{grid-template-columns:1fr}
      .cta-box{padding:34px 24px}
    }
    @media (max-width:520px){
      .skip-age{font-size:12px}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-name{max-width:190px}
      .hero-panel{padding:12px;border-radius:22px}
      .image-caption{left:12px;right:12px;bottom:12px;padding:13px}
      .quick-card,.post-card,.proof-card,.reading-card{padding:20px}
      .feature-large{min-height:360px}
      .feature-large .overlay{padding:22px}
      .post-meta{flex-direction:column;align-items:flex-start}
      .footer-bottom{flex-direction:column}
    }

/* roulang page: article */
:root{
      --bg:#fbf6ef;
      --bg-soft:#fffaf3;
      --panel:#ffffff;
      --ink:#241c1a;
      --muted:#776b66;
      --muted-2:#9b8d84;
      --line:#eadfd4;
      --primary:#7f1d2d;
      --primary-2:#5c1421;
      --primary-soft:#f7e7e9;
      --accent:#b98243;
      --accent-soft:#f7ead9;
      --deep:#211516;
      --deep-2:#321b20;
      --success:#5f7043;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow:0 18px 50px rgba(72,35,28,.10);
      --shadow-hover:0 24px 70px rgba(72,35,28,.16);
      --container:1180px;
      --speed:.22s ease;
      --font:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(127,29,45,.09), transparent 28%),
        radial-gradient(circle at 90% 8%, rgba(185,130,67,.13), transparent 30%),
        var(--bg);
      line-height:1.72;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(127,29,45,.18);color:var(--primary-2)}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,246,239,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,223,212,.78);
      transition:box-shadow var(--speed), background var(--speed);
    }
    .site-header.is-scrolled{box-shadow:0 10px 30px rgba(36,28,26,.08);background:rgba(251,246,239,.96)}
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 24px rgba(127,29,45,.24);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-name{font-size:16px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:360px}
    .brand-note{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:#4f423e;
      font-weight:700;
      font-size:14px;
      transition:background var(--speed), color var(--speed), transform var(--speed);
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:var(--primary-soft);color:var(--primary);outline:none;transform:translateY(-1px)}
    .nav-links a.active{background:var(--deep);color:#fff}
    .nav-action{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--line);
      background:#fff8ef;
      color:var(--primary);
      align-items:center;
      justify-content:center;
    }
    .menu-toggle:focus-visible{outline:3px solid rgba(185,130,67,.35);outline-offset:3px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform var(--speed), box-shadow var(--speed), background var(--speed), color var(--speed), border-color var(--speed);
      user-select:none;
      border:0;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 30px rgba(127,29,45,.22);
    }
    .btn-primary:hover,.btn-primary:focus-visible{background:var(--primary-2);color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(127,29,45,.30);outline:none}
    .btn-secondary{
      border:1px solid rgba(127,29,45,.26);
      color:var(--primary);
      background:rgba(255,255,255,.72);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{border-color:var(--primary);background:#fff;color:var(--primary);transform:translateY(-2px);outline:none}
    .btn:active{transform:translateY(0) scale(.98)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#7a4b1c;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(185,130,67,.22);
      white-space:normal;
      text-align:left;
    }
    .badge.dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18);color:#f8dfbd}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:30px}
    .eyebrow{color:var(--primary);font-weight:900;font-size:14px;letter-spacing:.08em;margin-bottom:8px}
    .text-muted{color:var(--muted)}
    .article-hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(115deg, rgba(33,21,22,.94), rgba(50,27,32,.78) 54%, rgba(127,29,45,.32)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:110px;
      background:linear-gradient(180deg,transparent,var(--bg));
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 7.5fr) minmax(280px, 4.5fr);
      gap:44px;
      align-items:end;
      padding:74px 0 118px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin:0 0 22px;
      padding:0;
      color:#f1d9cd;
      font-size:14px;
    }
    .breadcrumb a{
      color:#fff;
      font-weight:800;
      border-bottom:1px solid rgba(255,255,255,.34);
      transition:color var(--speed), border-color var(--speed);
    }
    .breadcrumb a:hover,.breadcrumb a:focus-visible{color:#f7d7a8;border-color:#f7d7a8;outline:none}
    .article-title{
      margin:0;
      font-size:clamp(34px, 5vw, 62px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:950;
      max-width:900px;
    }
    .article-summary{
      margin:22px 0 0;
      color:#f3ddd7;
      font-size:18px;
      max-width:780px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .hero-note-card{
      border-radius:var(--radius-lg);
      background:rgba(255,250,243,.92);
      color:var(--ink);
      border:1px solid rgba(255,255,255,.48);
      box-shadow:0 24px 70px rgba(18,10,9,.24);
      overflow:hidden;
    }
    .hero-note-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      background:#eadfd4;
    }
    .hero-note-body{padding:22px}
    .hero-note-title{font-weight:950;font-size:20px;margin-bottom:8px;color:var(--deep)}
    .hero-note-text{margin:0;color:var(--muted);font-size:15px}
    .article-shell{
      margin-top:-58px;
      position:relative;
      z-index:2;
    }
    .article-grid{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 330px;
      gap:30px;
      align-items:start;
    }
    .article-card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(234,223,212,.88);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-content{
      padding:42px 46px;
      font-size:17px;
      color:#342a27;
    }
    .article-content h2,.article-content h3,.article-content h4{
      color:var(--deep);
      font-weight:950;
      letter-spacing:-.025em;
      line-height:1.28;
      margin:34px 0 14px;
    }
    .article-content h2{
      font-size:29px;
      padding-left:15px;
      border-left:5px solid var(--primary);
    }
    .article-content h3{font-size:23px}
    .article-content h4{font-size:19px}
    .article-content p{margin:0 0 20px}
    .article-content a{
      color:var(--primary);
      font-weight:800;
      border-bottom:1px solid rgba(127,29,45,.24);
      transition:color var(--speed), border-color var(--speed), background var(--speed);
    }
    .article-content a:hover,.article-content a:focus-visible{
      color:var(--primary-2);
      border-color:var(--primary-2);
      background:var(--primary-soft);
      outline:none;
    }
    .article-content ul,.article-content ol{margin:0 0 22px 1.25em;padding:0}
    .article-content li{margin:8px 0;padding-left:4px}
    .article-content blockquote{
      margin:30px 0;
      padding:22px 24px;
      border-left:5px solid var(--accent);
      border-radius:0 var(--radius) var(--radius) 0;
      background:var(--bg-soft);
      color:#4c3d38;
      box-shadow:inset 0 0 0 1px rgba(185,130,67,.13);
    }
    .article-content img{
      border-radius:var(--radius);
      margin:28px auto 12px;
      box-shadow:0 16px 42px rgba(36,28,26,.12);
      background:#eadfd4;
    }
    .article-content figure{margin:30px 0}
    .article-content figcaption{
      text-align:center;
      color:var(--muted-2);
      font-size:14px;
      margin-top:10px;
    }
    .article-content hr{
      border:0;
      border-top:1px solid var(--line);
      margin:34px 0;
    }
    .empty-state{
      padding:48px;
      text-align:center;
      background:linear-gradient(180deg,#fff,var(--bg-soft));
      border-radius:var(--radius-lg);
    }
    .empty-state h2{
      margin:0 0 10px;
      font-size:30px;
      color:var(--deep);
      font-weight:950;
    }
    .empty-state p{margin:0 0 24px;color:var(--muted)}
    .side-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:98px;
    }
    .side-card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(234,223,212,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
    }
    .side-title{
      font-size:17px;
      font-weight:950;
      color:var(--deep);
      margin:0 0 14px;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .side-title:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px var(--primary-soft);
      flex:0 0 auto;
    }
    .quick-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .quick-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:14px;
      background:var(--bg-soft);
      color:#4f423e;
      font-weight:800;
      border:1px solid rgba(234,223,212,.8);
      transition:transform var(--speed), background var(--speed), color var(--speed), border-color var(--speed);
    }
    .quick-list a:hover,.quick-list a:focus-visible{
      transform:translateX(3px);
      background:var(--primary-soft);
      color:var(--primary);
      border-color:rgba(127,29,45,.22);
      outline:none;
    }
    .info-line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-bottom:1px dashed var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .info-line:last-child{border-bottom:0}
    .info-line strong{color:var(--ink);font-weight:900;text-align:right}
    .notice{
      background:linear-gradient(180deg,var(--primary-soft),#fff);
      border-color:rgba(127,29,45,.18);
    }
    .notice p{margin:0;color:#5f4b45;font-size:14px}
    .read-card{
      display:grid;
      grid-template-columns:116px minmax(0,1fr);
      gap:16px;
      align-items:center;
      padding:16px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.82);
      border-radius:var(--radius);
      transition:transform var(--speed), box-shadow var(--speed), border-color var(--speed);
    }
    .read-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(127,29,45,.20)}
    .read-card img{
      width:116px;
      height:86px;
      object-fit:cover;
      border-radius:14px;
      background:#eadfd4;
    }
    .read-card h3{
      margin:0 0 7px;
      font-size:18px;
      line-height:1.35;
      font-weight:950;
      color:var(--deep);
    }
    .read-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3vw,40px);
      line-height:1.18;
      font-weight:950;
      letter-spacing:-.04em;
      color:var(--deep);
    }
    .section-desc{margin:8px 0 0;color:var(--muted);max-width:660px}
    .faq-wrap{display:grid;gap:14px;max-width:900px;margin:0 auto}
    .faq-item{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 34px rgba(72,35,28,.07);
      overflow:hidden;
      transition:box-shadow var(--speed), border-color var(--speed);
    }
    .faq-item:hover{box-shadow:var(--shadow);border-color:rgba(127,29,45,.18)}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--deep);
      font-weight:950;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      flex:0 0 auto;
      transition:transform var(--speed);
    }
    .faq-question:focus-visible{outline:3px solid rgba(185,130,67,.35);outline-offset:-3px}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      border-radius:var(--radius-lg);
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(110deg, rgba(33,21,22,.94), rgba(127,29,45,.82)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow-hover);
      padding:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{margin:0 0 12px;font-weight:950;font-size:clamp(26px,3.5vw,42px);letter-spacing:-.04em}
    .cta p{margin:0;color:#f3ddd7;max-width:660px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
    .site-footer{
      background:var(--deep);
      color:#efe4dc;
      padding:64px 0 28px;
      margin-top:70px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .8fr .8fr 1fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-logo{
      font-weight:950;
      color:#fff;
      font-size:20px;
      margin-bottom:12px;
      letter-spacing:-.02em;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-text{
      margin:0 0 12px;
      color:#cbb9b1;
      font-size:14px;
      line-height:1.75;
    }
    .domain-line{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#f6d8b0;
      font-size:13px;
      border:1px solid rgba(255,255,255,.12);
    }
    .footer-links{display:grid;gap:9px}
    .footer-links a{
      color:#cbb9b1;
      font-size:14px;
      transition:color var(--speed), transform var(--speed);
    }
    .footer-links a:hover,.footer-links a:focus-visible{
      color:#fff;
      transform:translateX(3px);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#a9968e;
      font-size:13px;
    }
    @media (max-width:1024px){
      .brand-name{max-width:250px}
      .article-hero-inner{grid-template-columns:1fr;gap:26px;padding:58px 0 108px}
      .hero-note-card{max-width:560px}
      .article-grid{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        background:rgba(255,250,243,.98);
        border:1px solid var(--line);
        border-radius:22px;
        padding:12px;
        box-shadow:var(--shadow-hover);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center;padding:12px 14px}
      .nav-action .btn{display:none}
      .brand-name{max-width:210px;font-size:15px}
      .brand-note{display:none}
      .article-title{font-size:clamp(30px,9vw,44px)}
      .article-summary{font-size:16px}
      .article-content{padding:30px 22px;font-size:16px}
      .article-content h2{font-size:24px}
      .section{padding:58px 0}
      .section-head{display:block}
      .side-stack{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .read-card{grid-template-columns:100px minmax(0,1fr)}
      .read-card img{width:100px;height:76px}
      .cta{display:block;padding:32px 22px}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .article-hero-inner{padding:42px 0 92px}
      .meta-row .badge{width:100%}
      .article-shell{margin-top:-42px}
      .empty-state{padding:34px 20px}
      .read-card{grid-template-columns:1fr}
      .read-card img{width:100%;height:auto;aspect-ratio:16/9}
      .btn{width:100%;padding-left:16px;padding-right:16px}
      .cta-actions{width:100%}
      .footer-bottom{display:grid}
    }

/* 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}