/* roulang page: index */
:root{
      --ink:#171017;
      --ink-2:#2A2226;
      --berry:#8B2F50;
      --berry-dark:#6f233d;
      --apricot:#F0C5A7;
      --copper:#A87955;
      --cream:#F7F1EA;
      --sand:#E9DED4;
      --smoke:#A89D96;
      --white:#fffaf5;
      --line:rgba(42,34,38,.10);
      --line-dark:rgba(255,255,255,.12);
      --shadow:0 18px 45px rgba(23,16,23,.12);
      --shadow-strong:0 24px 70px rgba(23,16,23,.20);
      --radius-xl:24px;
      --radius-lg:18px;
      --radius-md:14px;
      --container:1200px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink-2);
      background:
        radial-gradient(circle at 10% 0%, rgba(240,197,167,.28), transparent 34%),
        linear-gradient(180deg,var(--cream),#f3ebe3 42%,var(--cream));
      line-height:1.78;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(23,16,23,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,16,23,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 72%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(139,47,80,.38);outline-offset:4px;border-radius:10px}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      color:var(--berry);
      background:rgba(240,197,167,.42);
      border:1px solid rgba(139,47,80,.13);
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:99px;background:var(--berry);
      box-shadow:0 0 0 4px rgba(139,47,80,.12);
    }
    h1,h2,h3,p{margin:0}
    h1{
      font-size:clamp(32px,5vw,56px);
      line-height:1.16;
      letter-spacing:-.04em;
      color:var(--white);
      font-weight:800;
    }
    h2{
      font-size:clamp(28px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.025em;
      font-weight:800;
      color:var(--ink);
      margin-top:14px;
    }
    h3{
      font-size:21px;
      line-height:1.32;
      font-weight:800;
      color:var(--ink);
    }
    .lead{
      margin-top:18px;
      font-size:17px;
      color:#5b5055;
      max-width:760px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      transition:var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:var(--white);
      background:var(--berry);
      box-shadow:0 14px 34px rgba(139,47,80,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:var(--berry-dark);box-shadow:0 18px 42px rgba(139,47,80,.34)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(139,47,80,.20)}
    .btn-secondary{
      color:var(--berry);
      background:rgba(255,250,245,.82);
      border:1px solid rgba(139,47,80,.22);
    }
    .btn-secondary:hover{background:rgba(240,197,167,.32);transform:translateY(-2px)}
    .btn-outline-dark{
      color:var(--apricot);
      border:1px solid rgba(240,197,167,.42);
      background:rgba(255,255,255,.04);
    }
    .btn-outline-dark:hover{background:rgba(240,197,167,.12);transform:translateY(-2px)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:var(--berry);
      background:rgba(240,197,167,.60);
      border:1px solid rgba(139,47,80,.12);
    }
    .badge.dark{
      color:var(--apricot);
      background:rgba(255,255,255,.08);
      border-color:var(--line-dark);
    }

    .site-header{
      position:fixed;
      top:0;left:0;right:0;
      z-index:50;
      background:rgba(23,16,23,.92);
      border-bottom:1px solid var(--line-dark);
      backdrop-filter:blur(14px);
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      box-shadow:0 14px 38px rgba(0,0,0,.24);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:var(--white);
      font-weight:900;
      letter-spacing:-.02em;
      min-width:max-content;
    }
    .brand-mark{
      width:38px;height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:var(--ink);
      background:
        radial-gradient(circle at 35% 30%, #fff7ed 0 18%, transparent 19%),
        linear-gradient(135deg,var(--apricot),var(--berry));
      box-shadow:0 12px 28px rgba(139,47,80,.35);
      font-weight:900;
    }
    .brand-text{font-size:17px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      padding:10px 13px;
      border-radius:999px;
      color:rgba(255,250,245,.76);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover{color:var(--apricot);background:rgba(255,255,255,.05)}
    .nav-links a.active{
      color:var(--white);
      background:rgba(139,47,80,.65);
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:var(--white);
      border:1px solid var(--line-dark);
    }
    .menu-toggle span{
      display:block;
      width:20px;height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:99px;
      transition:var(--ease);
    }

    .age-layer{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:22px;
      background:rgba(23,16,23,.76);
      backdrop-filter:blur(12px);
    }
    .age-layer.show{display:flex}
    .age-card{
      width:min(520px,100%);
      padding:28px;
      border-radius:28px;
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.03)),
        var(--ink);
      border:1px solid var(--line-dark);
      box-shadow:0 30px 90px rgba(0,0,0,.42);
    }
    .age-card h2{color:var(--white);font-size:27px;margin-top:10px}
    .age-card p{margin-top:12px;color:rgba(255,250,245,.75)}
    .age-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .age-note{font-size:13px;color:rgba(255,250,245,.58)!important}

    .privacy-strip{
      position:relative;
      z-index:1;
      margin-top:74px;
      color:rgba(255,250,245,.78);
      background:linear-gradient(90deg,var(--berry),#5f2238);
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .privacy-strip .container{
      min-height:44px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
      font-size:13px;
      font-weight:650;
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding:92px 0 72px;
      color:var(--white);
      background:
        linear-gradient(115deg,rgba(23,16,23,.94),rgba(23,16,23,.76) 58%,rgba(139,47,80,.62)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -30% 42%;
      height:320px;
      background:radial-gradient(circle, rgba(240,197,167,.28), transparent 64%);
      filter:blur(12px);
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:56px;
      align-items:center;
    }
    .hero-copy{
      max-width:690px;
    }
    .hero-kicker{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .hero-sub{
      margin-top:22px;
      max-width:640px;
      color:rgba(255,250,245,.77);
      font-size:18px;
      line-height:1.86;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .hero-facts{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:670px;
    }
    .fact{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--line-dark);
    }
    .fact strong{
      display:block;
      font-size:20px;
      line-height:1;
      color:var(--apricot);
      margin-bottom:8px;
    }
    .fact span{font-size:13px;color:rgba(255,250,245,.70)}
    .hero-board{
      position:relative;
      min-height:520px;
    }
    .cover-stack{
      position:absolute;
      inset:0;
      display:grid;
      grid-template-columns:1fr .78fr;
      gap:16px;
      align-items:end;
    }
    .cover-card{
      overflow:hidden;
      border-radius:30px;
      border:1px solid var(--line-dark);
      background:rgba(255,255,255,.06);
      box-shadow:0 26px 80px rgba(0,0,0,.30);
    }
    .cover-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.82) contrast(.98);
    }
    .cover-card.large{height:430px}
    .cover-column{display:grid;gap:16px}
    .cover-card.small{height:205px}
    .floating-note{
      position:absolute;
      left:28px;
      bottom:32px;
      width:min(330px,78%);
      padding:18px;
      border-radius:22px;
      color:var(--white);
      background:rgba(23,16,23,.78);
      border:1px solid var(--line-dark);
      backdrop-filter:blur(10px);
      box-shadow:var(--shadow-strong);
    }
    .floating-note b{display:block;color:var(--apricot);margin-bottom:8px}
    .floating-note span{font-size:14px;color:rgba(255,250,245,.72)}

    .guide-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      margin-top:36px;
      align-items:stretch;
    }
    .feature-large,.feature-side{
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:rgba(255,250,245,.82);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:var(--ease);
    }
    .feature-large:hover,.mini-card:hover,.update-card:hover,.proof-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(139,47,80,.22);
    }
    .feature-large{
      display:grid;
      grid-template-columns:.88fr 1fr;
    }
    .feature-img{
      min-height:310px;
      background:linear-gradient(rgba(23,16,23,.18),rgba(23,16,23,.28)),url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .feature-body{padding:30px}
    .feature-body p,.mini-card p{margin-top:10px;color:#675b60}
    .feature-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:var(--berry);
      font-weight:850;
    }
    .feature-link:hover{color:var(--berry-dark)}
    .feature-side{
      display:grid;
      gap:0;
      background:transparent;
      box-shadow:none;
      border:0;
    }
    .mini-card{
      padding:24px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:rgba(255,250,245,.88);
      box-shadow:0 12px 32px rgba(23,16,23,.08);
      transition:var(--ease);
    }
    .mini-icon{
      width:44px;height:44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:var(--berry);
      background:rgba(240,197,167,.56);
      font-weight:900;
      margin-bottom:14px;
    }

    .latest{
      background:
        linear-gradient(180deg,rgba(233,222,212,.62),rgba(247,241,234,.92));
      border-top:1px solid rgba(42,34,38,.07);
      border-bottom:1px solid rgba(42,34,38,.07);
    }
    .latest-layout{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:34px;
      align-items:start;
      margin-top:38px;
    }
    .latest-panel{
      position:sticky;
      top:100px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:var(--ink);
      color:var(--white);
      overflow:hidden;
      box-shadow:var(--shadow-strong);
    }
    .latest-panel::after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-92px;bottom:-88px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(240,197,167,.34), transparent 64%);
    }
    .latest-panel h3{color:var(--white);font-size:24px}
    .latest-panel p{position:relative;z-index:1;margin-top:12px;color:rgba(255,250,245,.72)}
    .filter-chips{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .chip{
      padding:7px 11px;
      border-radius:999px;
      border:1px solid var(--line-dark);
      color:rgba(255,250,245,.78);
      font-size:13px;
      font-weight:700;
      background:rgba(255,255,255,.05);
    }
    .updates-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .update-card{
      position:relative;
      min-height:210px;
      padding:24px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:rgba(255,250,245,.92);
      box-shadow:0 14px 38px rgba(23,16,23,.08);
      transition:var(--ease);
    }
    .update-meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:14px;
    }
    .update-title{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      font-size:20px;
      line-height:1.35;
      font-weight:850;
      color:var(--ink);
    }
    .update-title:hover{color:var(--berry)}
    .update-excerpt{
      margin-top:12px;
      color:#665b60;
      font-size:15px;
      line-height:1.72;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .read-more{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:var(--berry);
      font-weight:900;
    }
    .read-more:hover{color:var(--berry-dark);gap:12px}
    .empty-state{
      grid-column:1/-1;
      padding:34px;
      border-radius:var(--radius-xl);
      background:rgba(255,250,245,.76);
      border:1px dashed rgba(139,47,80,.28);
      text-align:center;
      color:#675b60;
    }
    .empty-icon{
      width:58px;height:58px;
      margin:0 auto 14px;
      display:grid;
      place-items:center;
      border-radius:20px;
      color:var(--berry);
      background:rgba(240,197,167,.50);
      font-size:24px;
      font-weight:900;
    }

    .experience{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:42px;
      align-items:center;
    }
    .image-frame{
      position:relative;
      border-radius:32px;
      overflow:hidden;
      min-height:480px;
      box-shadow:var(--shadow-strong);
      background:var(--ink);
    }
    .image-frame img{
      width:100%;
      height:480px;
      object-fit:cover;
      opacity:.86;
      filter:saturate(.86);
    }
    .image-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 35%,rgba(23,16,23,.82));
    }
    .frame-caption{
      position:absolute;
      left:24px;right:24px;bottom:24px;
      z-index:1;
      color:var(--white);
      padding:20px;
      border-radius:22px;
      background:rgba(23,16,23,.62);
      border:1px solid var(--line-dark);
      backdrop-filter:blur(8px);
    }
    .frame-caption b{display:block;color:var(--apricot);font-size:18px;margin-bottom:6px}
    .frame-caption span{color:rgba(255,250,245,.72);font-size:14px}
    .point-list{
      display:grid;
      gap:14px;
      margin-top:28px;
    }
    .point{
      display:grid;
      grid-template-columns:46px 1fr;
      gap:16px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,250,245,.76);
      border:1px solid var(--line);
    }
    .point-num{
      width:46px;height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:var(--white);
      background:linear-gradient(135deg,var(--berry),#6f233d);
      font-weight:900;
    }
    .point p{margin-top:4px;color:#675b60}

    .proof-section{
      background:var(--ink);
      color:var(--white);
      position:relative;
      overflow:hidden;
    }
    .proof-section::before{
      content:"";
      position:absolute;
      inset:-20% -10% auto 52%;
      height:420px;
      background:radial-gradient(circle, rgba(139,47,80,.45), transparent 64%);
      filter:blur(10px);
    }
    .proof-section h2{color:var(--white)}
    .proof-section .lead{color:rgba(255,250,245,.70)}
    .proof-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      margin-top:36px;
    }
    .proof-card{
      padding:26px;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.06);
      border:1px solid var(--line-dark);
      transition:var(--ease);
    }
    .proof-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      color:var(--apricot);
      margin-bottom:14px;
    }
    .proof-card h3{color:var(--white)}
    .proof-card p{margin-top:10px;color:rgba(255,250,245,.68)}

    .timeline{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:40px;
      align-items:start;
    }
    .timeline-list{
      position:relative;
      display:grid;
      gap:16px;
    }
    .timeline-list::before{
      content:"";
      position:absolute;
      left:22px;top:8px;bottom:8px;
      width:2px;
      background:linear-gradient(var(--apricot),rgba(139,47,80,.18));
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:46px 1fr;
      gap:16px;
      align-items:start;
    }
    .timeline-dot{
      position:relative;
      z-index:1;
      width:46px;height:46px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--cream);
      border:1px solid rgba(139,47,80,.22);
      color:var(--berry);
      font-weight:900;
      box-shadow:0 8px 20px rgba(23,16,23,.08);
    }
    .timeline-box{
      padding:20px;
      border-radius:20px;
      background:rgba(255,250,245,.82);
      border:1px solid var(--line);
    }
    .timeline-box p{margin-top:6px;color:#675b60}

    .cta-band{
      padding:0 0 92px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      padding:42px;
      border-radius:32px;
      color:var(--white);
      background:
        linear-gradient(110deg,rgba(23,16,23,.96),rgba(75,28,47,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow-strong);
    }
    .cta-card::after{
      content:"";
      position:absolute;
      right:-120px;top:-120px;
      width:280px;height:280px;
      border-radius:999px;
      background:rgba(240,197,167,.22);
    }
    .cta-card h2{color:var(--white);margin-top:0}
    .cta-card p{margin-top:12px;color:rgba(255,250,245,.72);max-width:720px}
    .cta-actions{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .faq{
      background:linear-gradient(180deg,rgba(233,222,212,.55),rgba(247,241,234,1));
    }
    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
      margin:36px auto 0;
    }
    .faq-item{
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,250,245,.88);
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(23,16,23,.06);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      background:transparent;
      color:var(--ink);
      font-weight:850;
      text-align:left;
    }
    .faq-question span:first-child{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .faq-index{
      width:30px;height:30px;
      display:inline-grid;
      place-items:center;
      border-radius:99px;
      color:var(--berry);
      background:rgba(240,197,167,.55);
      font-size:13px;
      flex:0 0 auto;
    }
    .faq-arrow{transition:var(--ease);color:var(--berry);font-size:20px}
    .faq-answer{
      display:none;
      padding:0 22px 22px 64px;
      color:#675b60;
      border-left:4px solid var(--berry);
      margin-left:22px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-arrow{transform:rotate(45deg)}

    .subscribe-box{
      margin-top:42px;
      padding:24px;
      border-radius:var(--radius-xl);
      background:rgba(255,250,245,.84);
      border:1px solid var(--line);
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
    }
    .subscribe-box p{color:#675b60;margin-top:4px}
    .subscribe-form{
      display:flex;
      gap:10px;
      min-width:min(430px,100%);
    }
    .subscribe-form input{
      width:100%;
      min-height:48px;
      padding:0 16px;
      border-radius:14px;
      border:1px solid rgba(42,34,38,.14);
      background:var(--white);
      color:var(--ink);
      outline:none;
      transition:var(--ease);
    }
    .subscribe-form input:focus{border-color:rgba(139,47,80,.55);box-shadow:0 0 0 4px rgba(139,47,80,.10)}
    .subscribe-form input::placeholder{color:#9b8f89}

    .site-footer{
      background:var(--ink);
      color:var(--white);
      padding:58px 0 28px;
      border-top:1px solid var(--line-dark);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .75fr;
      gap:30px;
    }
    .footer-brand p{
      margin-top:14px;
      max-width:560px;
      color:rgba(255,250,245,.66);
      font-size:14px;
    }
    .footer-title{
      color:var(--apricot);
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:rgba(255,250,245,.68);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--apricot);transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid var(--line-dark);
      color:rgba(255,250,245,.52);
      font-size:13px;
    }

    @media (max-width:1100px){
      .nav-links{gap:0}
      .nav-links a{padding:9px 10px}
      .hero-inner,.guide-grid,.experience,.timeline{grid-template-columns:1fr}
      .hero-board{min-height:440px}
      .latest-layout{grid-template-columns:1fr}
      .latest-panel{position:relative;top:auto}
      .feature-large{grid-template-columns:1fr}
      .feature-img{min-height:260px}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .subscribe-box{grid-template-columns:1fr}
      .subscribe-form{min-width:0}
    }
    @media (max-width:860px){
      .container{width:min(100% - 32px,var(--container))}
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        top:74px;
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:22px;
        background:rgba(23,16,23,.97);
        border:1px solid var(--line-dark);
        box-shadow:var(--shadow-strong);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .nav-cta .btn{display:none}
      .hero{padding-top:72px}
      .hero-facts,.proof-grid,.updates-list,.footer-grid{grid-template-columns:1fr}
      .cover-stack{position:relative}
      .hero-board{min-height:auto}
      .cover-card.large{height:330px}
      .cover-card.small{height:160px}
      .floating-note{left:18px;right:18px;bottom:18px;width:auto}
      .section{padding:64px 0}
      .section-tight{padding:52px 0}
      .image-frame,.image-frame img{min-height:360px;height:360px}
    }
    @media (max-width:560px){
      .privacy-strip .container{justify-content:flex-start;text-align:left}
      .hero-actions,.age-actions,.cta-actions,.subscribe-form{flex-direction:column}
      .btn{width:100%}
      .hero-facts{gap:10px}
      .cover-stack{grid-template-columns:1fr}
      .cover-column{grid-template-columns:1fr 1fr}
      .cover-card.large{height:260px}
      .cover-card.small{height:140px}
      .guide-grid{gap:16px}
      .feature-body,.mini-card,.latest-panel,.update-card,.cta-card{padding:22px}
      .point{grid-template-columns:1fr}
      .timeline{gap:24px}
      .faq-answer{padding-left:20px;margin-left:18px}
      .brand-text{font-size:15px}
      .footer-bottom{display:grid}
    }

/* roulang page: article */
:root{
      --ink:#171017;
      --ink-2:#2A2226;
      --berry:#8B2F50;
      --berry-dark:#6f233d;
      --apricot:#F0C5A7;
      --copper:#A87955;
      --cream:#F7F1EA;
      --sand:#E9DED4;
      --smoke:#A89D96;
      --white:#fffaf5;
      --line:rgba(42,34,38,.10);
      --line-dark:rgba(255,255,255,.12);
      --shadow:0 18px 45px rgba(23,16,23,.12);
      --shadow-strong:0 24px 70px rgba(23,16,23,.20);
      --radius-xl:24px;
      --radius-lg:18px;
      --radius-md:14px;
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink-2);
      background:
        radial-gradient(circle at 9% 2%, rgba(240,197,167,.30), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(139,47,80,.11), transparent 30%),
        linear-gradient(180deg,var(--cream),#f3ebe3 46%,var(--cream));
      line-height:1.78;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.16;
      background-image:
        linear-gradient(rgba(23,16,23,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,16,23,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.78), transparent 74%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{
      outline:3px solid rgba(139,47,80,.34);
      outline-offset:3px;
      border-radius:12px;
    }
    ::selection{background:rgba(139,47,80,.24);color:var(--ink)}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--berry);
      background:rgba(240,197,167,.46);
      border:1px solid rgba(139,47,80,.13);
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:99px;background:var(--berry);
      box-shadow:0 0 0 4px rgba(139,47,80,.12);
    }
    .lead{
      margin-top:18px;
      font-size:17px;
      color:#5b5055;
      max-width:760px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      transition:var(--ease);
      user-select:none;
      white-space:nowrap;
      border:0;
    }
    .btn-primary{
      color:var(--white);
      background:var(--berry);
      box-shadow:0 14px 34px rgba(139,47,80,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:var(--berry-dark);box-shadow:0 18px 42px rgba(139,47,80,.34)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(139,47,80,.20)}
    .btn-secondary{
      color:var(--berry);
      background:rgba(255,250,245,.86);
      border:1px solid rgba(139,47,80,.22);
    }
    .btn-secondary:hover{background:rgba(240,197,167,.36);transform:translateY(-2px)}
    .btn-outline-dark{
      color:var(--apricot);
      border:1px solid rgba(240,197,167,.42);
      background:rgba(255,255,255,.04);
    }
    .btn-outline-dark:hover{background:rgba(240,197,167,.12);transform:translateY(-2px)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:var(--berry);
      background:rgba(240,197,167,.60);
      border:1px solid rgba(139,47,80,.12);
      line-height:1.2;
      white-space:nowrap;
    }
    .badge.dark{
      color:var(--apricot);
      background:rgba(255,255,255,.08);
      border-color:var(--line-dark);
    }
    .site-header{
      position:fixed;
      top:0;left:0;right:0;
      z-index:50;
      background:rgba(23,16,23,.92);
      border-bottom:1px solid var(--line-dark);
      backdrop-filter:blur(14px);
      transition:var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 14px 38px rgba(0,0,0,.24)}
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:var(--white);
      font-weight:900;
      letter-spacing:-.02em;
      min-width:max-content;
    }
    .brand:hover{color:var(--white)}
    .brand-mark{
      width:38px;height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:var(--ink);
      background:
        radial-gradient(circle at 35% 30%, #fff7ed 0 18%, transparent 19%),
        linear-gradient(135deg,var(--apricot),var(--berry));
      box-shadow:0 12px 28px rgba(139,47,80,.35);
      font-weight:900;
    }
    .brand-text{font-size:17px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      padding:10px 13px;
      border-radius:999px;
      color:rgba(255,250,245,.76);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover{color:var(--apricot);background:rgba(255,255,255,.05)}
    .nav-links a.active{
      color:var(--white);
      background:rgba(139,47,80,.65);
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:var(--white);
      border:1px solid var(--line-dark);
    }
    .menu-toggle span{
      display:block;
      width:20px;height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:99px;
      transition:var(--ease);
    }
    .age-bar{
      margin-top:74px;
      background:rgba(240,197,167,.28);
      border-bottom:1px solid rgba(42,34,38,.08);
    }
    .age-bar .container{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      color:#594d52;
      font-size:13px;
      font-weight:700;
      text-align:center;
    }
    .age-bar a{color:var(--berry);font-weight:900}
    .article-hero{
      position:relative;
      overflow:hidden;
      color:var(--white);
      background:
        linear-gradient(115deg, rgba(23,16,23,.96), rgba(23,16,23,.80) 58%, rgba(139,47,80,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      padding:78px 0 82px;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:auto -12% -38% 40%;
      height:360px;
      background:radial-gradient(circle, rgba(240,197,167,.22), transparent 68%);
      pointer-events:none;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(240,197,167,.42),transparent);
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:54px;
      align-items:center;
    }
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:22px;
      color:rgba(255,250,245,.66);
      font-size:13px;
      font-weight:750;
    }
    .breadcrumbs a{transition:var(--ease)}
    .breadcrumbs a:hover{color:var(--apricot)}
    .breadcrumbs .current{
      max-width:560px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      color:rgba(255,250,245,.86);
    }
    .article-hero h1{
      margin:16px 0 0;
      font-size:clamp(32px,4vw,48px);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.04em;
      color:var(--white);
      max-width:860px;
    }
    .article-desc{
      margin:20px 0 0;
      color:rgba(255,250,245,.76);
      font-size:17px;
      line-height:1.85;
      max-width:840px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .hero-cover{
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 30px 80px rgba(0,0,0,.36);
      background:rgba(255,255,255,.06);
      transform:rotate(1.2deg);
    }
    .hero-cover img{
      width:100%;
      aspect-ratio:4/5;
      object-fit:cover;
      filter:saturate(.88) contrast(1.04);
    }
    .cover-caption{
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:rgba(255,250,245,.78);
      font-size:13px;
      font-weight:750;
      background:rgba(23,16,23,.82);
    }
    .article-shell{
      position:relative;
      padding:86px 0 40px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 300px;
      gap:48px;
      align-items:start;
      justify-content:center;
    }
    .article-card{
      background:rgba(255,250,245,.86);
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:42px;
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-bottom:22px;
      margin-bottom:28px;
      border-bottom:1px solid rgba(42,34,38,.10);
    }
    .article-kicker strong{
      color:var(--ink);
      font-size:15px;
    }
    .article-body{
      color:#332a2e;
      font-size:17px;
      line-height:1.9;
      word-break:break-word;
    }
    .article-body h2,
    .article-body h3,
    .article-body h4{
      color:var(--ink);
      letter-spacing:-.02em;
      line-height:1.32;
      font-weight:900;
    }
    .article-body h2{
      margin:46px 0 18px;
      font-size:30px;
      padding-top:4px;
    }
    .article-body h3{
      margin:34px 0 14px;
      font-size:23px;
    }
    .article-body h4{
      margin:26px 0 12px;
      font-size:19px;
    }
    .article-body p{margin:0 0 20px}
    .article-body a{
      color:var(--berry);
      font-weight:800;
      text-decoration:underline;
      text-decoration-thickness:1px;
      text-underline-offset:4px;
      transition:var(--ease);
    }
    .article-body a:hover{color:var(--berry-dark);background:rgba(240,197,167,.28)}
    .article-body ul,
    .article-body ol{
      margin:18px 0 24px;
      padding-left:1.35em;
    }
    .article-body li{margin:8px 0}
    .article-body blockquote{
      margin:30px 0;
      padding:24px 26px;
      border-left:5px solid var(--berry);
      border-radius:18px;
      color:#4f4449;
      background:rgba(233,222,212,.68);
      box-shadow:inset 0 0 0 1px rgba(42,34,38,.05);
    }
    .article-body blockquote p:last-child{margin-bottom:0}
    .article-body img{
      border-radius:20px;
      box-shadow:0 18px 42px rgba(23,16,23,.13);
      margin:26px auto;
    }
    .article-body figure{
      margin:32px 0;
      padding:0;
    }
    .article-body figcaption{
      margin-top:10px;
      text-align:center;
      color:#766b70;
      font-size:13px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:28px 0;
      overflow:hidden;
      border:1px solid rgba(42,34,38,.12);
      border-radius:16px;
      background:var(--white);
    }
    .article-body th,
    .article-body td{
      padding:14px 16px;
      border-bottom:1px solid rgba(42,34,38,.09);
      vertical-align:top;
    }
    .article-body th{
      color:var(--ink);
      background:rgba(240,197,167,.32);
      font-weight:900;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body code{
      display:inline-flex;
      padding:2px 7px;
      border-radius:8px;
      color:var(--berry);
      background:rgba(240,197,167,.36);
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
      font-size:.92em;
    }
    .not-found{
      text-align:center;
      padding:44px 20px 34px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(233,222,212,.62),rgba(255,250,245,.70));
      border:1px dashed rgba(139,47,80,.25);
    }
    .not-found-icon{
      width:64px;height:64px;
      margin:0 auto 16px;
      border-radius:22px;
      display:grid;
      place-items:center;
      color:var(--berry);
      background:rgba(240,197,167,.48);
      font-weight:900;
      font-size:26px;
    }
    .not-found h2{
      margin:0 0 10px;
      color:var(--ink);
      font-size:26px;
      font-weight:900;
    }
    .not-found p{
      margin:0 auto 24px;
      color:#655a5f;
      max-width:520px;
    }
    .side-panel{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:22px;
      border-radius:22px;
      background:rgba(255,250,245,.78);
      border:1px solid var(--line);
      box-shadow:0 14px 36px rgba(23,16,23,.08);
    }
    .side-card.dark{
      color:var(--white);
      background:
        linear-gradient(145deg,rgba(139,47,80,.38),rgba(255,255,255,.04)),
        var(--ink);
      border-color:var(--line-dark);
    }
    .side-card h2,
    .side-card h3{
      margin:0 0 12px;
      color:inherit;
      font-size:19px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .side-card p{
      margin:0;
      color:#695e63;
      font-size:14px;
      line-height:1.75;
    }
    .side-card.dark p{color:rgba(255,250,245,.72)}
    .side-links{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .side-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:14px;
      color:#4d4247;
      background:rgba(233,222,212,.55);
      border:1px solid rgba(42,34,38,.07);
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
    }
    .side-links a:hover{
      color:var(--berry);
      background:rgba(240,197,167,.38);
      transform:translateX(3px);
    }
    .notice-list{
      margin:15px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .notice-list li{
      position:relative;
      padding-left:18px;
      color:rgba(255,250,245,.76);
      font-size:14px;
      line-height:1.65;
    }
    .notice-list li::before{
      content:"";
      position:absolute;
      left:0;top:.72em;
      width:7px;height:7px;
      border-radius:99px;
      background:var(--apricot);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .section-head h2{
      margin:12px 0 0;
      color:var(--ink);
      font-size:clamp(28px,3vw,36px);
      line-height:1.22;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .section-head p{
      margin:12px 0 0;
      color:#665b60;
      max-width:680px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
    }
    .related-card{
      position:relative;
      overflow:hidden;
      min-height:228px;
      padding:28px;
      border-radius:26px;
      background:rgba(255,250,245,.84);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(139,47,80,.22);
      box-shadow:var(--shadow-strong);
    }
    .related-card.with-image{
      color:var(--white);
      background:
        linear-gradient(120deg,rgba(23,16,23,.92),rgba(23,16,23,.60)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
    }
    .related-card h3{
      margin:16px 0 10px;
      font-size:24px;
      line-height:1.3;
      font-weight:900;
      letter-spacing:-.025em;
      color:inherit;
    }
    .related-card p{
      margin:0 0 22px;
      color:#665b60;
      max-width:560px;
    }
    .related-card.with-image p{color:rgba(255,250,245,.74)}
    .related-card .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--berry);
      font-weight:900;
      transition:var(--ease);
    }
    .related-card.with-image .text-link{color:var(--apricot)}
    .related-card .text-link:hover{gap:12px}
    .mini-list{
      display:grid;
      gap:14px;
    }
    .mini-item{
      padding:20px;
      border-radius:22px;
      background:rgba(255,250,245,.82);
      border:1px solid var(--line);
      transition:var(--ease);
    }
    .mini-item:hover{
      transform:translateY(-3px);
      border-color:rgba(139,47,80,.20);
      box-shadow:0 16px 40px rgba(23,16,23,.10);
    }
    .mini-item h3{
      margin:10px 0 8px;
      color:var(--ink);
      font-size:19px;
      line-height:1.35;
      font-weight:900;
    }
    .mini-item p{
      margin:0;
      color:#665b60;
      font-size:14px;
      line-height:1.7;
    }
    .compliance-band{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      padding:38px;
      background:
        radial-gradient(circle at 16% 0%, rgba(240,197,167,.22), transparent 36%),
        linear-gradient(135deg,var(--ink),#24171f 72%,#3a1d2a);
      color:var(--white);
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-strong);
    }
    .compliance-band::after{
      content:"";
      position:absolute;
      right:-80px;top:-80px;
      width:240px;height:240px;
      border-radius:50%;
      background:rgba(139,47,80,.28);
      filter:blur(2px);
    }
    .compliance-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(260px,360px);
      gap:32px;
      align-items:center;
    }
    .compliance-band h2{
      margin:12px 0 14px;
      color:var(--white);
      font-size:32px;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .compliance-band p{
      margin:0;
      color:rgba(255,250,245,.74);
      max-width:760px;
    }
    .compliance-checks{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .compliance-checks li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(255,250,245,.82);
      font-weight:750;
      font-size:14px;
    }
    .compliance-checks li span{
      color:var(--apricot);
      font-weight:900;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      padding:30px;
      border-radius:28px;
      background:
        linear-gradient(180deg,rgba(255,250,245,.90),rgba(233,222,212,.62));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .faq-intro h2{
      margin:14px 0 12px;
      color:var(--ink);
      font-size:34px;
      font-weight:900;
      letter-spacing:-.035em;
      line-height:1.22;
    }
    .faq-intro p{
      margin:0;
      color:#665b60;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:20px;
      background:rgba(255,250,245,.86);
      border:1px solid var(--line);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item:hover{border-color:rgba(139,47,80,.20);box-shadow:0 12px 30px rgba(23,16,23,.08)}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:19px 22px;
      color:var(--ink);
      background:transparent;
      text-align:left;
      font-weight:900;
    }
    .faq-question span:first-child{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .faq-no{
      width:28px;height:28px;
      flex:0 0 28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--berry);
      background:rgba(240,197,167,.48);
      font-size:12px;
      font-weight:900;
    }
    .faq-icon{
      width:26px;height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--berry);
      background:rgba(240,197,167,.42);
      transition:var(--ease);
      flex:0 0 26px;
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px 62px;
      color:#63575d;
      border-left:4px solid var(--berry);
      margin-left:22px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--berry);color:var(--white)}
    .site-cta{
      padding:82px 0 96px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:44px;
      color:var(--white);
      background:
        linear-gradient(110deg,rgba(23,16,23,.96),rgba(23,16,23,.78)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-strong);
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(139,47,80,.22),transparent 58%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta-card h2{
      margin:12px 0 10px;
      color:var(--white);
      font-size:34px;
      line-height:1.24;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .cta-card p{
      margin:0;
      color:rgba(255,250,245,.74);
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-footer{
      color:rgba(255,250,245,.76);
      background:var(--ink);
      border-top:1px solid var(--line-dark);
      padding:64px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr .7fr;
      gap:38px;
      align-items:start;
    }
    .footer-brand p{
      margin:18px 0 0;
      max-width:560px;
      color:rgba(255,250,245,.66);
      font-size:14px;
      line-height:1.85;
    }
    .footer-title{
      color:var(--white);
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,250,245,.66);
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--apricot);transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid var(--line-dark);
      color:rgba(255,250,245,.54);
      font-size:13px;
    }
    .age-modal{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:20px;
      background:rgba(23,16,23,.78);
      backdrop-filter:blur(10px);
    }
    .age-modal.show{display:flex}
    .age-card{
      width:min(520px,100%);
      padding:28px;
      border-radius:28px;
      color:var(--white);
      background:
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.03)),
        var(--ink);
      border:1px solid var(--line-dark);
      box-shadow:0 30px 90px rgba(0,0,0,.42);
    }
    .age-card h2{
      color:var(--white);
      font-size:27px;
      margin:10px 0 0;
      font-weight:900;
    }
    .age-card p{
      margin-top:12px;
      color:rgba(255,250,245,.75);
    }
    .age-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    @media (max-width:1100px){
      .nav-links a{padding:9px 10px;font-size:13px}
      .hero-inner{grid-template-columns:1fr 300px;gap:34px}
      .article-layout{grid-template-columns:minmax(0,1fr);gap:30px}
      .side-panel{position:relative;top:auto;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-grid,.faq-grid,.compliance-content{grid-template-columns:1fr}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:920px){
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        top:74px;
        left:20px;
        right:20px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        margin:0;
        padding:14px;
        border-radius:22px;
        background:rgba(23,16,23,.97);
        border:1px solid var(--line-dark);
        box-shadow:0 24px 70px rgba(0,0,0,.34);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-cta .btn{display:none}
      .hero-inner{grid-template-columns:1fr}
      .hero-cover{max-width:420px;transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:767px){
      .container{width:min(100% - 28px, var(--container))}
      .section{padding:62px 0}
      .section-tight{padding:50px 0}
      .brand-text{font-size:15px;max-width:210px;line-height:1.25}
      .brand-mark{width:36px;height:36px;border-radius:13px}
      .nav-wrap{min-height:68px}
      .nav-links{top:68px;left:14px;right:14px}
      .age-bar{margin-top:68px}
      .age-bar .container{align-items:flex-start;padding:10px 0;line-height:1.55}
      .article-hero{padding:54px 0 58px}
      .breadcrumbs .current{max-width:230px}
      .article-desc{font-size:15px}
      .article-meta{gap:8px}
      .hero-cover img{aspect-ratio:16/10}
      .article-shell{padding:54px 0 26px}
      .article-card{padding:26px 20px;border-radius:24px}
      .article-kicker{align-items:flex-start;flex-direction:column}
      .article-body{font-size:16px;line-height:1.86}
      .article-body h2{font-size:25px;margin-top:38px}
      .article-body h3{font-size:21px}
      .article-body table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .side-panel{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .related-grid{gap:16px}
      .related-card{padding:22px;min-height:auto}
      .mini-list{gap:12px}
      .compliance-band{padding:26px 20px;border-radius:26px}
      .compliance-band h2,.cta-card h2,.faq-intro h2{font-size:28px}
      .faq-answer{padding-left:20px;margin-left:20px}
      .cta-card{padding:30px 22px;border-radius:28px}
      .cta-actions,.age-actions{width:100%}
      .cta-actions .btn,.age-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .article-hero h1{font-size:29px}
      .article-card{padding:22px 16px}
      .btn{width:100%;white-space:normal;text-align:center}
      .side-links a{font-size:13px}
      .faq-question{padding:17px 16px}
      .faq-question span:first-child{gap:9px}
    }

/* 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}