/* roulang page: index */
:root{
      --bg:#11100f;
      --bg-2:#171312;
      --bg-3:#211a18;
      --card:#271e1b;
      --card-2:#30231f;
      --primary:#c84c63;
      --primary-2:#9f3348;
      --primary-soft:rgba(200,76,99,.16);
      --gold:#c59a6c;
      --gold-2:#a77a4e;
      --text:#f5efea;
      --muted:#d7cbc4;
      --weak:#9f9088;
      --line:rgba(255,255,255,.09);
      --line-warm:rgba(197,154,108,.24);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --shadow-soft:0 14px 40px rgba(0,0,0,.28);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --header-h:76px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 16% 8%, rgba(200,76,99,.18), transparent 32%),
        radial-gradient(circle at 84% 18%, rgba(197,154,108,.12), transparent 34%),
        linear-gradient(180deg,var(--bg),#0c0b0a 68%,#090807);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(200,76,99,.72);outline-offset:4px;border-radius:12px}
    .container{width:min(100% - 64px,var(--container));margin-inline:auto}
    .skip-link{position:absolute;left:-999px;top:12px;background:var(--primary);color:#fff;padding:10px 14px;border-radius:999px;z-index:999}
    .skip-link:focus{left:16px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      display:flex;
      align-items:center;
      background:rgba(17,16,15,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 10px 32px rgba(0,0,0,.22);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#6f2330 65%,#3b1b18);
      box-shadow:0 12px 32px rgba(200,76,99,.28), inset 0 1px 0 rgba(255,255,255,.22);
      flex:0 0 auto;
    }
    .brand-text{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px}
    .age-pill{
      display:inline-flex;align-items:center;justify-content:center;
      padding:3px 8px;border-radius:999px;
      color:#2b140f;background:var(--gold);
      font-size:12px;font-weight:800;line-height:1;
    }
    .nav-menu{display:flex;align-items:center;gap:6px;list-style:none}
    .nav-menu a{
      display:inline-flex;align-items:center;
      height:42px;padding:0 14px;border-radius:999px;
      color:var(--muted);font-size:14px;font-weight:650;
      transition:.22s ease;
    }
    .nav-menu a:hover,.nav-menu a.active{color:var(--text);background:rgba(255,255,255,.06)}
    .nav-menu a:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line);
    }
    .mobile-toggle span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;border-radius:99px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;
      font-weight:760;font-size:15px;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(200,76,99,.26),inset 0 1px 0 rgba(255,255,255,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(200,76,99,.34)}
    .btn-primary:active{transform:translateY(1px);box-shadow:0 8px 20px rgba(200,76,99,.22)}
    .btn-secondary{
      color:var(--text);background:rgba(255,255,255,.035);
      border:1px solid var(--line-warm);
    }
    .btn-secondary:hover{background:rgba(200,76,99,.12);border-color:rgba(200,76,99,.42);transform:translateY(-2px)}
    .btn-text{
      display:inline-flex;align-items:center;gap:6px;
      color:var(--gold);font-weight:760;font-size:14px;
      transition:.22s ease;
    }
    .btn-text:hover{color:var(--primary);text-decoration:underline;text-underline-offset:5px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      font-size:13px;font-weight:720;line-height:1;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.055);
      color:var(--muted);
    }
    .badge.primary{background:var(--primary-soft);color:#ffd7df;border-color:rgba(200,76,99,.24)}
    .badge.gold{background:rgba(197,154,108,.13);color:#f3d3ae;border-color:rgba(197,154,108,.25)}
    .badge.dark{background:rgba(0,0,0,.24);color:var(--weak)}
    .section{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .eyebrow{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
    h1,h2,h3{line-height:1.18;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5vw,64px);font-weight:850}
    h2{font-size:clamp(28px,3.3vw,42px);font-weight:820}
    h3{font-size:clamp(20px,2vw,25px);font-weight:780}
    .lead{color:var(--muted);font-size:18px;line-height:1.85}
    .muted{color:var(--weak)}
    .hero{
      position:relative;
      min-height:calc(100vh - var(--header-h));
      display:flex;
      align-items:center;
      padding:64px 0 42px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(17,16,15,.92),rgba(17,16,15,.74) 44%,rgba(17,16,15,.86)),
        linear-gradient(180deg,rgba(17,16,15,.24),var(--bg) 94%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;inset:10% -10% auto auto;width:520px;height:520px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(200,76,99,.18),transparent 68%);
      filter:blur(8px);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.86fr);
      gap:52px;
      align-items:center;
    }
    .hero-copy{max-width:720px}
    .hero-copy .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
    .hero-copy h1{margin-bottom:22px}
    .hero-copy .lead{max-width:680px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
    .quick-search{
      display:flex;align-items:center;gap:10px;
      max-width:590px;
      padding:8px;border-radius:999px;
      background:rgba(39,30,27,.78);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .quick-search input{
      flex:1;min-width:0;
      color:var(--text);background:transparent;border:0;
      padding:0 14px;height:42px;outline:0;
    }
    .quick-search input::placeholder{color:var(--weak)}
    .quick-search:focus-within{border-color:rgba(200,76,99,.58);box-shadow:0 0 0 4px rgba(200,76,99,.12)}
    .hero-stack{
      position:relative;
      min-height:520px;
      display:grid;
      place-items:center;
    }
    .feature-card{
      position:relative;
      width:min(100%,440px);
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(48,35,31,.92),rgba(33,26,24,.92));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .feature-image{height:260px;position:relative;overflow:hidden}
    .feature-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) contrast(1.04);transition:transform .5s ease}
    .feature-card:hover .feature-image img{transform:scale(1.035)}
    .feature-image::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(17,16,15,.88));
    }
    .feature-body{padding:24px}
    .feature-body h3{margin:12px 0 10px}
    .feature-body p{color:var(--muted);font-size:15px}
    .floating-note{
      position:absolute;
      border-radius:22px;
      background:rgba(33,26,24,.9);
      border:1px solid var(--line-warm);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      padding:18px;
    }
    .floating-note.one{top:18px;right:0;width:210px}
    .floating-note.two{bottom:34px;left:0;width:235px}
    .note-num{font-size:28px;font-weight:850;color:var(--gold);line-height:1;margin-bottom:7px}
    .note-text{font-size:14px;color:var(--muted)}
    .trust-strip{padding:0 0 72px}
    .strip-card{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      overflow:hidden;
      border-radius:26px;
      border:1px solid var(--line);
      background:var(--line);
      box-shadow:var(--shadow-soft);
    }
    .strip-item{
      padding:24px;
      background:linear-gradient(180deg,rgba(39,30,27,.96),rgba(33,26,24,.96));
      display:flex;gap:14px;align-items:flex-start;
    }
    .strip-icon{
      width:38px;height:38px;border-radius:14px;flex:0 0 auto;
      display:grid;place-items:center;
      color:var(--gold);
      background:rgba(197,154,108,.11);
      border:1px solid rgba(197,154,108,.18);
    }
    .strip-item strong{display:block;font-size:16px;margin-bottom:4px}
    .strip-item span{display:block;color:var(--weak);font-size:14px;line-height:1.55}
    .entry-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .entry-large,.entry-small,.side-card,.privacy-panel,.faq-item,.cta-panel,.article-card,.empty-state{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(39,30,27,.9),rgba(33,26,24,.9));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .entry-large{
      position:relative;
      min-height:438px;
      overflow:hidden;
      display:flex;align-items:end;
    }
    .entry-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.76);transition:transform .55s ease}
    .entry-large::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(17,16,15,.78) 62%,rgba(17,16,15,.94));
    }
    .entry-large:hover img{transform:scale(1.035)}
    .entry-content{position:relative;z-index:1;padding:32px}
    .entry-content h3{margin:14px 0 12px;font-size:30px}
    .entry-content p{color:var(--muted);max-width:620px;margin-bottom:20px}
    .entry-side{display:grid;grid-template-columns:1fr;gap:22px}
    .entry-small{
      padding:24px;
      min-height:calc((438px - 22px) / 2);
      position:relative;
      overflow:hidden;
      transition:.25s ease;
    }
    .entry-small::after{
      content:"";
      position:absolute;right:-46px;bottom:-52px;width:160px;height:160px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(200,76,99,.2),transparent 70%);
    }
    .entry-small:hover{transform:translateY(-3px);border-color:rgba(200,76,99,.34);background:linear-gradient(180deg,rgba(48,35,31,.96),rgba(33,26,24,.96))}
    .entry-small h3{margin:14px 0 10px}
    .entry-small p{color:var(--muted);font-size:15px;margin-bottom:18px}
    .updates-layout{
      display:grid;
      grid-template-columns:minmax(0,2fr) minmax(300px,.92fr);
      gap:24px;
      align-items:start;
    }
    .post-list{display:grid;gap:14px}
    .post-item{
      display:grid;
      grid-template-columns:116px minmax(0,1fr);
      gap:18px;
      padding:16px;
      border-radius:22px;
      background:rgba(39,30,27,.78);
      border:1px solid var(--line);
      transition:.25s ease;
    }
    .post-item:hover{transform:translateY(-2px);border-color:rgba(200,76,99,.36);background:rgba(48,35,31,.92);box-shadow:0 14px 42px rgba(0,0,0,.24)}
    .post-thumb{
      height:104px;border-radius:18px;overflow:hidden;
      background:
        linear-gradient(135deg,rgba(200,76,99,.22),rgba(197,154,108,.13)),
        #211a18;
      position:relative;
    }
    .post-thumb img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .45s ease}
    .post-item:hover .post-thumb img{transform:scale(1.04)}
    .post-thumb::after{
      content:"18+";
      position:absolute;left:10px;top:10px;
      padding:4px 7px;border-radius:999px;
      background:rgba(17,16,15,.72);color:#f2d2ad;
      font-size:11px;font-weight:800;
    }
    .post-meta{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--weak);font-size:13px;margin-bottom:8px}
    .post-title{font-size:19px;font-weight:780;line-height:1.35;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:.2s ease}
    .post-item:hover .post-title{color:#ffd3dc}
    .post-summary{color:var(--muted);font-size:14px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
    .side-card{padding:24px}
    .side-card + .side-card{margin-top:18px}
    .side-card h3{font-size:22px;margin-bottom:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .notice-list{list-style:none;display:grid;gap:12px;margin-top:16px}
    .notice-list li{display:flex;gap:10px;color:var(--muted);font-size:15px}
    .notice-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold);margin-top:10px;flex:0 0 auto}
    .empty-state{padding:28px;text-align:center;color:var(--muted)}
    .empty-state .empty-icon{
      width:54px;height:54px;margin:0 auto 12px;border-radius:20px;
      display:grid;place-items:center;background:rgba(197,154,108,.12);color:var(--gold);border:1px solid rgba(197,154,108,.2);
      font-weight:850;
    }
    .steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:34px}
    .steps::before{
      content:"";
      position:absolute;left:8%;right:8%;top:42px;height:1px;
      background:linear-gradient(90deg,transparent,rgba(200,76,99,.5),rgba(197,154,108,.36),transparent);
    }
    .step{
      position:relative;
      padding:0 14px;
      text-align:center;
    }
    .step-num{
      position:relative;z-index:1;
      width:84px;height:84px;border-radius:28px;margin:0 auto 18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(200,76,99,.95),rgba(97,34,40,.95));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 42px rgba(200,76,99,.18);
      font-size:24px;font-weight:850;color:#fff;
    }
    .step h3{font-size:20px;margin-bottom:8px}
    .step p{color:var(--weak);font-size:14px;line-height:1.7}
    .privacy-section{
      position:relative;
      border-radius:34px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(17,16,15,.94),rgba(17,16,15,.82)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:44px;
    }
    .privacy-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}
    .privacy-grid .lead{margin-top:16px}
    .privacy-panel{padding:24px;background:rgba(33,26,24,.86);backdrop-filter:blur(14px)}
    .privacy-checks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .privacy-checks li{
      display:flex;gap:10px;align-items:flex-start;
      padding:14px;border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.06);
      color:var(--muted);
      font-size:15px;
    }
    .check{
      width:22px;height:22px;border-radius:50%;flex:0 0 auto;
      display:grid;place-items:center;
      background:rgba(197,154,108,.14);color:var(--gold);
      font-size:13px;font-weight:900;
    }
    .evidence-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .evidence-main{
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--line);
      background:var(--card);
      position:relative;
      min-height:360px;
    }
    .evidence-main img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) brightness(.74)}
    .evidence-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,16,15,.05),rgba(17,16,15,.88))}
    .evidence-caption{position:absolute;left:28px;right:28px;bottom:26px;z-index:1}
    .evidence-caption h3{margin:12px 0 10px}
    .evidence-caption p{color:var(--muted)}
    .evidence-side{display:grid;gap:18px}
    .metric{
      padding:24px;border-radius:24px;
      background:rgba(39,30,27,.82);
      border:1px solid var(--line);
    }
    .metric strong{display:block;font-size:34px;line-height:1;color:var(--gold);margin-bottom:10px}
    .metric span{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{padding:22px;transition:.22s ease}
    .faq-item:hover{border-color:rgba(197,154,108,.28);transform:translateY(-2px)}
    .faq-q{display:flex;justify-content:space-between;gap:16px;align-items:center;font-weight:800;font-size:17px}
    .faq-q::after{content:"+";color:var(--gold);font-size:24px;line-height:1}
    .faq-item[open] .faq-q::after{content:"−"}
    .faq-item summary{list-style:none;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-a{color:var(--muted);font-size:15px;margin-top:12px;line-height:1.75}
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:44px;
      background:
        radial-gradient(circle at 18% 10%,rgba(255,255,255,.08),transparent 22%),
        linear-gradient(135deg,rgba(200,76,99,.9),rgba(91,32,41,.92) 48%,rgba(39,30,27,.98));
    }
    .cta-panel::after{
      content:"";
      position:absolute;right:-120px;top:-100px;width:330px;height:330px;border-radius:50%;
      background:rgba(197,154,108,.18);
      filter:blur(4px);
    }
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{max-width:720px;margin-bottom:12px}
    .cta-inner p{color:#ffe6e2;max-width:760px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      background:#080706;
      border-top:1px solid var(--line);
      padding:48px 0 24px;
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:30px;
      align-items:start;
    }
    .footer-brand .brand{margin-bottom:14px}
    .footer-brand p{color:var(--weak);font-size:14px;max-width:480px}
    .footer-title{font-weight:800;color:var(--text);margin-bottom:12px}
    .footer-links{list-style:none;display:grid;gap:8px}
    .footer-links a{color:var(--muted);font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:5px}
    .copyright{
      border-top:1px solid rgba(255,255,255,.06);
      margin-top:34px;padding-top:20px;
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:var(--weak);font-size:13px;
    }
    .age-notice{
      margin-top:16px;
      padding:12px 14px;border-radius:16px;
      background:rgba(197,154,108,.1);
      border:1px solid rgba(197,154,108,.18);
      color:#ead0af;font-size:14px;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 40px,var(--container))}
      .hero-grid,.entry-layout,.updates-layout,.privacy-grid,.evidence-grid{grid-template-columns:1fr}
      .hero{min-height:auto;padding:58px 0 38px}
      .hero-stack{min-height:500px}
      .strip-card{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:1fr;gap:18px}
      .steps::before{left:42px;right:auto;top:30px;bottom:30px;width:1px;height:auto;background:linear-gradient(180deg,rgba(200,76,99,.45),rgba(197,154,108,.26),transparent)}
      .step{display:grid;grid-template-columns:84px 1fr;gap:18px;text-align:left;align-items:center;padding:0}
      .step-num{margin:0}
      .cta-inner{display:block}
      .cta-actions{justify-content:flex-start;margin-top:22px}
    }
    @media (max-width:820px){
      .site-header{height:68px}
      :root{--header-h:68px}
      .nav-menu{
        position:fixed;
        left:20px;right:20px;top:78px;
        display:none;
        padding:16px;
        border-radius:24px;
        background:rgba(17,16,15,.96);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-menu.is-open{display:flex}
      .nav-menu a{height:50px;border-radius:16px;font-size:16px;justify-content:center}
      .mobile-toggle{display:inline-grid;place-items:center}
      .nav-actions .btn{display:none}
      .brand-text{max-width:210px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head .lead{margin-top:12px}
      .quick-search{border-radius:22px;align-items:stretch;flex-direction:column;padding:10px}
      .quick-search input{width:100%;height:44px}
      .quick-search .btn{width:100%}
      .post-item{grid-template-columns:92px 1fr;gap:14px}
      .post-thumb{height:92px}
      .privacy-section{padding:26px}
      .privacy-checks,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .floating-note.one{right:10px}
      .floating-note.two{left:10px}
    }
    @media (max-width:560px){
      .container{width:min(100% - 36px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-text{font-size:14px;max-width:178px}
      .hero-copy .badge-row{gap:8px}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .hero-stack{min-height:auto;display:block}
      .feature-card{width:100%}
      .feature-image{height:220px}
      .floating-note{position:relative;width:100% !important;left:auto !important;right:auto !important;top:auto !important;bottom:auto !important;margin-top:14px}
      .strip-card{grid-template-columns:1fr}
      .entry-large{min-height:390px}
      .entry-content{padding:24px}
      .entry-content h3{font-size:25px}
      .post-item{grid-template-columns:1fr}
      .post-thumb{height:150px}
      .step{grid-template-columns:64px 1fr}
      .step-num{width:64px;height:64px;border-radius:22px;font-size:20px}
      .cta-panel{padding:28px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: article */
:root{
      --bg:#11100f;
      --bg-2:#171312;
      --bg-3:#211a18;
      --card:#271e1b;
      --card-2:#30231f;
      --primary:#c84c63;
      --primary-2:#9f3348;
      --primary-soft:rgba(200,76,99,.16);
      --gold:#c59a6c;
      --gold-2:#a77a4e;
      --text:#f5efea;
      --muted:#d7cbc4;
      --weak:#9f9088;
      --line:rgba(255,255,255,.09);
      --line-warm:rgba(197,154,108,.24);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --shadow-soft:0 14px 40px rgba(0,0,0,.28);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --header-h:76px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 16% 8%, rgba(200,76,99,.18), transparent 32%),
        radial-gradient(circle at 84% 18%, rgba(197,154,108,.12), transparent 34%),
        linear-gradient(180deg,var(--bg),#0c0b0a 68%,#090807);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(200,76,99,.42);color:#fff}
    :focus-visible{outline:3px solid rgba(200,76,99,.72);outline-offset:3px;border-radius:10px}
    .container{width:min(100% - 64px,var(--container));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      display:flex;
      align-items:center;
      background:rgba(17,16,15,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 10px 32px rgba(0,0,0,.22);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#6f2330 65%,#3b1b18);
      box-shadow:0 12px 32px rgba(200,76,99,.28), inset 0 1px 0 rgba(255,255,255,.22);
      flex:0 0 auto;
    }
    .brand-text{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px}
    .age-pill{
      display:inline-flex;align-items:center;justify-content:center;
      padding:3px 8px;border-radius:999px;
      color:#2b140f;background:var(--gold);
      font-size:12px;font-weight:800;line-height:1;
    }
    .nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
    .nav-menu a{
      display:inline-flex;align-items:center;
      height:42px;padding:0 14px;border-radius:999px;
      color:var(--muted);font-size:14px;font-weight:650;
      transition:.22s ease;
    }
    .nav-menu a:hover,.nav-menu a.active{color:var(--text);background:rgba(255,255,255,.06)}
    .nav-menu a:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line);
    }
    .mobile-toggle span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;border-radius:99px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;
      font-weight:760;font-size:15px;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      white-space:nowrap;
      border:0;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(200,76,99,.26),inset 0 1px 0 rgba(255,255,255,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(200,76,99,.34);color:#fff}
    .btn-primary:active{transform:translateY(1px);box-shadow:0 8px 20px rgba(200,76,99,.22)}
    .btn-secondary{
      color:var(--text);background:rgba(255,255,255,.035);
      border:1px solid var(--line-warm);
    }
    .btn-secondary:hover{background:rgba(200,76,99,.12);border-color:rgba(200,76,99,.42);transform:translateY(-2px);color:var(--text)}
    .btn-text{
      display:inline-flex;align-items:center;gap:6px;
      color:var(--gold);font-weight:760;font-size:14px;
      transition:.22s ease;
    }
    .btn-text:hover{color:var(--primary);text-decoration:underline;text-underline-offset:5px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      font-size:13px;font-weight:720;line-height:1;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.055);
      color:var(--muted);
    }
    .badge.primary{background:var(--primary-soft);color:#ffd7df;border-color:rgba(200,76,99,.24)}
    .badge.gold{background:rgba(197,154,108,.13);color:#f3d3ae;border-color:rgba(197,154,108,.25)}
    .badge.dark{background:rgba(0,0,0,.24);color:var(--weak)}
    .section{padding:78px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .eyebrow{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
    .lead{color:var(--muted);font-size:18px;line-height:1.85}
    .muted{color:var(--weak)}
    .article-banner{
      position:relative;
      padding:44px 0 52px;
      overflow:hidden;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(17,16,15,.76),rgba(17,16,15,.96)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }
    .article-banner::after{
      content:"";
      position:absolute;
      inset:auto -12% -42% -12%;
      height:220px;
      background:radial-gradient(circle,rgba(200,76,99,.16),transparent 62%);
      pointer-events:none;
    }
    .breadcrumb-wrap{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:13px;
      margin-bottom:26px;
    }
    .breadcrumb-wrap a{color:var(--muted);transition:.22s ease}
    .breadcrumb-wrap a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:5px}
    .breadcrumb-sep{color:rgba(255,255,255,.25)}
    .article-hero{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) 380px;
      gap:34px;
      align-items:stretch;
    }
    .article-title-card{
      padding:34px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(39,30,27,.92),rgba(33,26,24,.72));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .article-title-card::before{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-80px;top:-90px;
      background:radial-gradient(circle,rgba(200,76,99,.24),transparent 70%);
      pointer-events:none;
    }
    .article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
    h1{
      position:relative;
      margin:0 0 20px;
      font-size:clamp(32px,5vw,58px);
      line-height:1.14;
      letter-spacing:-.02em;
      font-weight:850;
      color:var(--text);
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--weak);
      font-size:14px;
      margin-bottom:22px;
    }
    .meta-item{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .summary-box{
      position:relative;
      margin-top:22px;
      padding:18px 18px 18px 22px;
      border-radius:var(--radius-md);
      background:rgba(0,0,0,.2);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:16px;
      line-height:1.85;
    }
    .summary-box::before{
      content:"";
      position:absolute;
      left:0;top:18px;bottom:18px;
      width:4px;border-radius:99px;
      background:linear-gradient(180deg,var(--primary),var(--gold));
    }
    .cover-card{
      min-height:100%;
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--line-warm);
      box-shadow:var(--shadow-soft);
      position:relative;
      background:var(--card);
    }
    .cover-card img{width:100%;height:100%;min-height:360px;object-fit:cover;filter:saturate(.88) contrast(1.04)}
    .cover-card::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(17,16,15,.04),rgba(17,16,15,.78));
    }
    .cover-note{
      position:absolute;
      z-index:2;
      left:22px;right:22px;bottom:22px;
      padding:16px;
      border-radius:20px;
      background:rgba(17,16,15,.72);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(10px);
    }
    .cover-note strong{display:block;font-size:18px;margin-bottom:5px}
    .cover-note span{display:block;color:var(--muted);font-size:14px;line-height:1.65}
    .reading-shell{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:40px;
      align-items:start;
    }
    .article-main{
      min-width:0;
      padding:0;
    }
    .article-content-card{
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(39,30,27,.88),rgba(33,26,24,.76));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:40px;
      overflow:hidden;
    }
    .article-content{
      color:var(--muted);
      font-size:17px;
      line-height:1.86;
      overflow-wrap:anywhere;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content p{margin:0 0 1.05em}
    .article-content h2{
      color:var(--text);
      font-size:30px;
      line-height:1.25;
      font-weight:820;
      margin:2.1em 0 .75em;
      padding-top:4px;
      position:relative;
    }
    .article-content h2::before{
      content:"";
      display:block;
      width:44px;height:4px;
      border-radius:99px;
      margin-bottom:14px;
      background:linear-gradient(90deg,var(--primary),var(--gold));
    }
    .article-content h3{
      color:var(--text);
      font-size:23px;
      line-height:1.35;
      font-weight:780;
      margin:1.8em 0 .65em;
    }
    .article-content h4{
      color:#f2dfd5;
      font-size:19px;
      margin:1.45em 0 .5em;
      font-weight:760;
    }
    .article-content a{
      color:#f0bd91;
      font-weight:700;
      text-decoration:underline;
      text-decoration-color:rgba(197,154,108,.42);
      text-underline-offset:5px;
      transition:.22s ease;
    }
    .article-content a:hover{color:var(--primary);text-decoration-color:rgba(200,76,99,.65)}
    .article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:0;list-style:none}
    .article-content li{
      position:relative;
      margin:.55em 0;
      padding-left:1.55em;
    }
    .article-content ul li::before{
      content:"";
      position:absolute;
      left:.15em;top:.78em;
      width:7px;height:7px;border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 4px rgba(197,154,108,.12);
    }
    .article-content ol{counter-reset:item}
    .article-content ol li{counter-increment:item}
    .article-content ol li::before{
      content:counter(item);
      position:absolute;
      left:0;top:.28em;
      width:21px;height:21px;border-radius:50%;
      display:grid;place-items:center;
      font-size:12px;font-weight:800;
      color:#23120f;background:var(--gold);
    }
    .article-content blockquote{
      margin:1.6em 0;
      padding:20px 22px 20px 24px;
      border-radius:var(--radius-md);
      background:rgba(0,0,0,.24);
      border:1px solid var(--line-warm);
      border-left:4px solid var(--primary);
      color:#efe1d8;
    }
    .article-content img{
      width:auto;
      max-width:100%;
      height:auto;
      border-radius:18px;
      margin:26px auto;
      border:1px solid var(--line);
      box-shadow:0 16px 38px rgba(0,0,0,.3);
    }
    .article-content figure{margin:28px 0}
    .article-content figcaption{
      color:var(--weak);
      font-size:13px;
      text-align:center;
      margin-top:10px;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:26px 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      display:block;
      max-width:100%;
      overflow-x:auto;
      white-space:nowrap;
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      color:var(--muted);
    }
    .article-content th{
      color:var(--text);
      background:rgba(200,76,99,.12);
      font-weight:780;
    }
    .not-found-box{
      padding:34px;
      border-radius:var(--radius-lg);
      background:rgba(0,0,0,.22);
      border:1px solid var(--line-warm);
      text-align:center;
    }
    .not-found-box h2{margin:0 0 12px;font-size:30px;color:var(--text)}
    .not-found-box p{margin:0 auto 22px;max-width:560px;color:var(--muted)}
    .article-aside{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(39,30,27,.92),rgba(33,26,24,.82));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:22px;
      overflow:hidden;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin:0 0 16px;
      color:var(--text);
      font-size:18px;
      font-weight:820;
    }
    .side-title::after{
      content:"";
      width:38px;height:3px;border-radius:99px;
      background:linear-gradient(90deg,var(--primary),var(--gold));
      flex:0 0 auto;
    }
    .toc-list,.recommend-list,.footer-links{list-style:none;margin:0;padding:0}
    .toc-list{display:grid;gap:10px}
    .toc-list a{
      display:flex;
      align-items:center;
      gap:9px;
      padding:10px 12px;
      border-radius:14px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border:1px solid transparent;
      font-size:14px;
      transition:.22s ease;
    }
    .toc-list a::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:rgba(197,154,108,.72);
      flex:0 0 auto;
    }
    .toc-list a:hover{color:var(--text);border-color:var(--line-warm);background:rgba(197,154,108,.08);transform:translateX(2px)}
    .recommend-list{display:grid;gap:13px}
    .recommend-item{
      display:block;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.06);
      transition:.22s ease;
    }
    .recommend-item:hover{background:rgba(200,76,99,.1);border-color:rgba(200,76,99,.28);transform:translateY(-2px)}
    .recommend-item strong{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      color:var(--text);
      font-size:15px;
      line-height:1.5;
      margin-bottom:7px;
    }
    .recommend-item span{font-size:13px;color:var(--weak)}
    .privacy-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .privacy-list li{
      display:flex;gap:10px;align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .privacy-list li::before{
      content:"✓";
      width:20px;height:20px;border-radius:50%;
      display:grid;place-items:center;
      flex:0 0 auto;
      color:#2b140f;
      background:var(--gold);
      font-weight:900;
      margin-top:2px;
      font-size:12px;
    }
    .quick-actions{display:grid;gap:10px}
    .quick-actions .btn{width:100%}
    .after-article{margin-top:34px}
    .disclaimer-strip{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:18px;
      border-radius:var(--radius-md);
      border:1px solid rgba(197,154,108,.25);
      background:rgba(197,154,108,.08);
      color:var(--muted);
      margin-top:24px;
    }
    .disclaimer-strip .icon{
      width:34px;height:34px;border-radius:13px;
      background:rgba(197,154,108,.18);
      color:#f2d1aa;
      display:grid;place-items:center;
      flex:0 0 auto;
      font-weight:900;
    }
    .continue-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      margin-top:18px;
    }
    .continue-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(39,30,27,.92),rgba(48,35,31,.78));
      padding:22px;
      min-height:180px;
      transition:.22s ease;
    }
    .continue-card::after{
      content:"";
      position:absolute;
      width:160px;height:160px;
      right:-60px;bottom:-70px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(200,76,99,.2),transparent 70%);
      pointer-events:none;
    }
    .continue-card:hover{transform:translateY(-3px);border-color:rgba(200,76,99,.34);box-shadow:var(--shadow-soft)}
    .continue-card h3{font-size:20px;line-height:1.35;margin:13px 0 10px;color:var(--text);font-weight:820}
    .continue-card p{margin:0 0 16px;color:var(--muted);font-size:14px;line-height:1.75}
    .faq-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      margin-top:20px;
    }
    .faq-item{
      border-radius:var(--radius-md);
      background:rgba(39,30,27,.72);
      border:1px solid var(--line);
      overflow:hidden;
      transition:.22s ease;
    }
    .faq-item:hover{border-color:rgba(197,154,108,.28);background:rgba(48,35,31,.78)}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:780;
    }
    .faq-question .plus{
      width:26px;height:26px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(200,76,99,.14);
      color:#ffc8d2;
      flex:0 0 auto;
      transition:.22s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg);background:rgba(197,154,108,.18);color:#f2d1aa}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid rgba(200,76,99,.24);
      background:
        linear-gradient(135deg,rgba(200,76,99,.22),rgba(17,16,15,.75) 52%,rgba(197,154,108,.12)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      padding:34px;
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(17,16,15,.9),rgba(17,16,15,.62));
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-panel h2{margin:0 0 10px;font-size:clamp(26px,4vw,38px);line-height:1.2;font-weight:850}
    .cta-panel p{margin:0;color:var(--muted);max-width:720px;font-size:16px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
    .form-card{
      display:flex;
      gap:10px;
      padding:8px;
      border-radius:999px;
      background:rgba(0,0,0,.22);
      border:1px solid var(--line);
      margin-top:16px;
    }
    .form-card input{
      flex:1;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      padding:0 14px;
      min-height:42px;
    }
    .form-card input::placeholder{color:var(--weak)}
    .form-card:focus-within{border-color:rgba(200,76,99,.52);box-shadow:0 0 0 4px rgba(200,76,99,.12)}
    .site-footer{
      background:#080706;
      border-top:1px solid var(--line);
      padding:56px 0 24px;
      margin-top:0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.5fr) 1fr 1fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand p{
      margin:16px 0 14px;
      color:var(--muted);
      max-width:560px;
      font-size:14px;
      line-height:1.8;
    }
    .age-notice{
      display:inline-flex;
      padding:10px 13px;
      border-radius:14px;
      background:rgba(197,154,108,.1);
      border:1px solid rgba(197,154,108,.22);
      color:#f0d0aa;
      font-size:13px;
    }
    .footer-title{font-size:16px;font-weight:820;color:var(--text);margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:.22s ease;
    }
    .footer-links a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:5px}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1100px){
      .brand-text{max-width:210px}
      .nav-menu a{padding:0 10px}
      .article-hero{grid-template-columns:1fr}
      .cover-card img{min-height:300px}
      .reading-shell{grid-template-columns:minmax(0,1fr)}
      .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .article-aside .side-card:first-child{grid-column:1/-1}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:900px){
      :root{--header-h:68px}
      .container{width:min(100% - 40px,var(--container))}
      .site-header{height:var(--header-h)}
      .mobile-toggle{display:inline-block}
      .nav-actions .btn{display:none}
      .nav-menu{
        position:absolute;
        top:calc(var(--header-h) + 1px);
        left:20px;
        right:20px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border-radius:22px;
        background:rgba(23,19,18,.96);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-menu.show{display:flex}
      .nav-menu a{height:48px;justify-content:center;font-size:15px}
      .article-banner{padding:34px 0 42px}
      .article-title-card{padding:26px}
      .section{padding:58px 0}
      .article-content-card{padding:28px}
      .article-aside{grid-template-columns:1fr}
      .continue-grid,.faq-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:620px){
      .container{width:min(100% - 36px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-text{font-size:14px;max-width:170px}
      .age-pill{padding:3px 7px;font-size:11px}
      .article-title-card{padding:22px;border-radius:24px}
      .article-kicker{gap:8px}
      .badge{font-size:12px}
      h1{font-size:32px}
      .lead{font-size:16px}
      .article-meta{font-size:13px}
      .cover-card img{min-height:240px}
      .cover-note{left:14px;right:14px;bottom:14px;padding:14px}
      .article-content-card{padding:22px;border-radius:24px}
      .article-content{font-size:16px;line-height:1.82}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:21px}
      .side-card{padding:18px}
      .cta-panel{padding:24px}
      .cta-actions,.form-card{width:100%;flex-direction:column;border-radius:20px}
      .cta-actions .btn,.form-card .btn{width:100%}
      .form-card input{width:100%;padding:0 10px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:420px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-text{max-width:138px}
      .article-title-card,.article-content-card,.side-card,.cta-panel{border-radius:20px}
      .summary-box{font-size:15px}
      .btn{width:100%}
      .quick-actions .btn{min-height:44px}
    }

/* 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}