/* roulang page: index */
:root{
      --bg:#12090D;
      --bg-2:#171014;
      --panel:#21151B;
      --panel-2:#2A1A22;
      --panel-3:#341F28;
      --primary:#E85D75;
      --primary-2:#ff7890;
      --warm:#FFB36B;
      --gold:#C9A46A;
      --text:#EDE5E7;
      --muted:#BCAFB4;
      --weak:#82757B;
      --border:rgba(255,255,255,.08);
      --border-strong:rgba(232,93,117,.45);
      --shadow:0 22px 70px rgba(0,0,0,.35);
      --shadow-soft:0 14px 34px rgba(0,0,0,.24);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 4%, rgba(232,93,117,.16), transparent 32%),
        radial-gradient(circle at 82% 12%, rgba(255,179,107,.13), transparent 28%),
        linear-gradient(180deg,var(--bg),#0D070A 60%,#090507);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, #000, transparent 82%);
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(255,179,107,.72);outline-offset:3px}
    ::selection{background:rgba(232,93,117,.38);color:#fff}

    .container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--warm);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(232,93,117,.12);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:end;
      margin-bottom:34px;
    }
    .section-title{
      font-size:clamp(28px,4vw,38px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .section-desc{
      color:var(--muted);
      font-size:16px;
      max-width:620px;
      margin-top:12px;
    }

    .age-strip{
      background:#0B0508;
      border-bottom:1px solid rgba(201,164,106,.22);
      color:var(--muted);
      font-size:13px;
    }
    .age-strip .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .pulse-dot{
      width:9px;height:9px;border-radius:50%;
      background:var(--warm);
      box-shadow:0 0 0 6px rgba(255,179,107,.12);
      flex:0 0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(18,9,13,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
      box-shadow:0 10px 30px rgba(0,0,0,.18);
    }
    .nav{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 35% 28%, rgba(255,255,255,.28), transparent 22%),
        linear-gradient(135deg,var(--primary),#8E3144 58%,#291019);
      box-shadow:0 12px 28px rgba(232,93,117,.28);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.06em;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:15px;
      font-weight:900;
      max-width:330px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      color:var(--weak);
      font-size:12px;
      margin-top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#fff;
      background:rgba(232,93,117,.13);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
      border:1px solid var(--border);
      color:var(--text);
      background:rgba(255,255,255,.04);
    }
    .badge.adult{background:rgba(232,93,117,.92);border-color:rgba(232,93,117,.9);color:#fff}
    .badge.new{background:rgba(255,179,107,.18);border-color:rgba(255,179,107,.28);color:var(--warm)}
    .badge.gold{background:rgba(201,164,106,.13);border-color:rgba(201,164,106,.26);color:#E7C98F}
    .badge.dark{background:rgba(255,255,255,.045);border-color:var(--border);color:var(--muted)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#C94761);
      box-shadow:0 14px 34px rgba(232,93,117,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 18px 42px rgba(232,93,117,.34)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.035);
      border-color:rgba(201,164,106,.34);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(255,179,107,.72);background:rgba(255,179,107,.08)}
    .btn-ghost{
      color:var(--warm);
      background:transparent;
      padding-inline:0;
      min-height:auto;
    }
    .btn-ghost:hover{color:#FFD3A4;transform:translateX(3px)}
    .menu-btn{
      display:none;
      width:46px;height:46px;border-radius:14px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--border);
      color:#fff;
      position:relative;
    }
    .menu-btn span,
    .menu-btn::before,
    .menu-btn::after{
      content:"";
      position:absolute;
      left:13px;right:13px;
      height:2px;border-radius:2px;
      background:#fff;
      transition:.22s var(--ease);
    }
    .menu-btn span{top:22px}
    .menu-btn::before{top:15px}
    .menu-btn::after{top:29px}
    .menu-btn.is-open span{opacity:0}
    .menu-btn.is-open::before{top:22px;transform:rotate(45deg)}
    .menu-btn.is-open::after{top:22px;transform:rotate(-45deg)}

    .hero{
      position:relative;
      min-height:720px;
      display:grid;
      align-items:end;
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(18,9,13,.32),rgba(18,9,13,.94) 72%,var(--bg) 100%),
        linear-gradient(90deg,rgba(18,9,13,.86),rgba(18,9,13,.2) 58%,rgba(18,9,13,.9)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -22% -10%;
      height:260px;
      background:radial-gradient(ellipse at center, rgba(232,93,117,.22), transparent 68%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      padding:92px 0 70px;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 430px;
      gap:42px;
      align-items:end;
    }
    .hero-copy{
      max-width:780px;
    }
    .hero-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    h1{
      font-size:clamp(36px,6.2vw,64px);
      line-height:1.1;
      font-weight:900;
      letter-spacing:-.055em;
      max-width:820px;
      text-wrap:balance;
    }
    .hero-sub{
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
      max-width:720px;
      margin-top:22px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:26px;
      color:var(--weak);
      font-size:14px;
    }
    .hero-note span{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .hero-note span::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--gold);
    }
    .cinema-panel{
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(33,21,27,.88),rgba(18,9,13,.74));
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
      padding:18px;
      transform:rotate(-1.2deg);
    }
    .cinema-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .cinema-head strong{font-size:15px}
    .cover-stack{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:12px;
    }
    .mini-cover{
      position:relative;
      min-height:150px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.09);
      background:var(--panel-2);
    }
    .mini-cover.tall{min-height:314px}
    .mini-cover img{
      width:100%;height:100%;object-fit:cover;
      position:absolute;inset:0;
      transition:transform .38s var(--ease);
      filter:saturate(.9) brightness(.76);
    }
    .mini-cover::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 20%,rgba(0,0,0,.78));
    }
    .mini-cover:hover img{transform:scale(1.035)}
    .mini-cover .caption{
      position:absolute;
      left:14px;right:14px;bottom:12px;
      z-index:2;
    }
    .caption small{color:var(--warm);font-weight:800}
    .caption p{font-size:14px;line-height:1.4;font-weight:800;margin-top:4px}

    .card{
      background:linear-gradient(180deg,rgba(33,21,27,.94),rgba(26,16,21,.94));
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:0 24px 60px rgba(0,0,0,.34);
    }

    .guide-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:26px;
      align-items:stretch;
    }
    .guide-intro{
      padding:34px;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .guide-intro::after{
      content:"";
      position:absolute;
      width:260px;height:260px;border-radius:50%;
      right:-90px;bottom:-110px;
      background:radial-gradient(circle,rgba(232,93,117,.18),transparent 66%);
    }
    .guide-list{
      display:grid;
      gap:16px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .guide-row{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.035);
      border:1px solid var(--border);
    }
    .guide-row b{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(232,93,117,.18);
      color:#fff;
      flex:0 0 auto;
    }
    .guide-row h3{font-size:17px;line-height:1.35;margin-bottom:3px}
    .guide-row p{color:var(--muted);font-size:14px;line-height:1.6}
    .bento{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:16px;
    }
    .bento-card{
      min-height:190px;
      padding:24px;
      overflow:hidden;
      position:relative;
    }
    .bento-card.large{grid-column:span 4;min-height:260px}
    .bento-card.medium{grid-column:span 2;min-height:260px}
    .bento-card.small{grid-column:span 3}
    .bento-card h3{font-size:22px;line-height:1.25;margin:12px 0 8px}
    .bento-card p{color:var(--muted);font-size:14px;line-height:1.65}
    .bento-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(255,179,107,.13);
      color:var(--warm);
      font-weight:900;
    }
    .bento-photo{
      position:absolute;
      inset:auto 20px 20px 46%;
      height:150px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid var(--border);
    }
    .bento-photo img{width:100%;height:100%;object-fit:cover;filter:brightness(.68)}

    .featured-wrap{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
    }
    .feature-card{
      position:relative;
      min-height:460px;
      overflow:hidden;
      padding:0;
    }
    .feature-card img,
    .rec-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
      filter:saturate(.9) brightness(.72);
      transition:transform .38s var(--ease);
    }
    .feature-card:hover img,
    .rec-card:hover img{transform:scale(1.035)}
    .image-shade{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(18,9,13,.05),rgba(18,9,13,.92));
      z-index:1;
    }
    .feature-content{
      position:absolute;
      left:28px;right:28px;bottom:28px;
      z-index:2;
    }
    .feature-content h3{
      font-size:clamp(26px,3.2vw,36px);
      line-height:1.18;
      margin:14px 0 10px;
    }
    .feature-content p{color:var(--muted);max-width:640px}
    .rec-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .rec-card{
      position:relative;
      min-height:221px;
      overflow:hidden;
      padding:0;
    }
    .rec-card .feature-content{
      left:20px;right:20px;bottom:18px;
    }
    .rec-card h3{
      font-size:18px;
      line-height:1.35;
      margin:10px 0 6px;
    }
    .rec-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }

    .latest-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:24px;
      align-items:start;
    }
    .post-list{
      display:grid;
      gap:16px;
    }
    .post-item{
      display:grid;
      grid-template-columns:86px minmax(0,1fr);
      gap:18px;
      padding:20px;
      border-radius:22px;
      background:rgba(33,21,27,.8);
      border:1px solid var(--border);
      transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
    }
    .post-item:hover{
      transform:translateY(-3px);
      border-color:rgba(232,93,117,.42);
      background:rgba(42,26,34,.94);
    }
    .post-index{
      width:86px;
      aspect-ratio:1;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(135deg,rgba(232,93,117,.2),rgba(255,179,107,.13)),
        url('/assets/images/coverpic/cover-4.webp') center/cover;
      position:relative;
      overflow:hidden;
      border:1px solid var(--border);
    }
    .post-index::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.42)}
    .post-index span{
      position:relative;
      z-index:1;
      font-size:24px;
      font-weight:900;
      color:#fff;
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--weak);
      font-size:12px;
      font-weight:700;
      margin-bottom:6px;
    }
    .post-item h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:7px;
    }
    .post-item h3 a:hover{color:#fff}
    .post-item p{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:12px;
    }
    .text-link{
      color:var(--warm);
      font-weight:800;
      font-size:14px;
    }
    .text-link:hover{color:#FFD2A0}
    .side-panel{
      padding:24px;
      position:sticky;
      top:98px;
    }
    .side-panel h3{font-size:20px;margin-bottom:12px}
    .side-panel p{color:var(--muted);font-size:14px;line-height:1.7}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .reminder{
      margin-top:22px;
      padding:18px;
      border-radius:18px;
      background:rgba(255,179,107,.08);
      border:1px solid rgba(255,179,107,.2);
      color:#E9D2B5;
      font-size:14px;
      line-height:1.7;
    }
    .empty-state{
      text-align:center;
      padding:44px 24px;
      border-radius:24px;
      border:1px dashed rgba(255,255,255,.18);
      background:rgba(255,255,255,.035);
      color:var(--muted);
    }
    .empty-icon{
      width:58px;height:58px;border-radius:20px;
      margin:0 auto 14px;
      display:grid;place-items:center;
      background:rgba(232,93,117,.14);
      color:var(--primary-2);
      font-size:26px;
      font-weight:900;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step-card{
      padding:24px;
      min-height:220px;
      position:relative;
    }
    .step-card::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-grid;
      place-items:center;
      width:48px;height:48px;border-radius:17px;
      margin-bottom:20px;
      background:linear-gradient(135deg,rgba(232,93,117,.24),rgba(255,179,107,.13));
      color:#fff;
      font-weight:900;
      border:1px solid rgba(255,255,255,.1);
    }
    .step-card h3{font-size:20px;margin-bottom:8px}
    .step-card p{color:var(--muted);font-size:14px;line-height:1.7}

    .proof{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .proof-card{
      padding:26px;
    }
    .proof-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      color:#fff;
      margin-bottom:10px;
      letter-spacing:-.04em;
    }
    .proof-card h3{font-size:18px;margin-bottom:6px}
    .proof-card p{color:var(--muted);font-size:14px;line-height:1.65}

    .faq-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:18px;
      background:rgba(33,21,27,.86);
      overflow:hidden;
      transition:border-color .22s var(--ease),background .22s var(--ease);
    }
    .faq-item[open]{
      border-color:rgba(255,179,107,.42);
      background:rgba(42,26,34,.96);
    }
    .faq-item summary{
      min-height:60px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 20px;
      cursor:pointer;
      list-style:none;
      font-weight:800;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;height:30px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,255,255,.055);
      color:var(--warm);
      flex:0 0 auto;
      transition:transform .22s var(--ease);
    }
    .faq-item[open] summary::after{transform:rotate(45deg)}
    .faq-item p{
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
    }

    .cta-card{
      padding:42px;
      border-radius:30px;
      background:
        linear-gradient(110deg,rgba(232,93,117,.18),rgba(255,179,107,.09) 46%,rgba(33,21,27,.94)),
        url('/assets/images/backpic/back-2.jpg') center/cover;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(201,164,106,.26);
      box-shadow:var(--shadow);
    }
    .cta-card::before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(18,9,13,.94),rgba(18,9,13,.76));
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .cta-inner h2{
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      margin-bottom:10px;
    }
    .cta-inner p{color:var(--muted);max-width:680px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

    .site-footer{
      background:#090507;
      border-top:1px solid rgba(201,164,106,.24);
      padding:54px 0 26px;
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      margin-bottom:14px;
      font-weight:900;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-text{font-size:14px;line-height:1.75;max-width:520px}
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--warm)}
    .footer-bottom{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:var(--weak);
    }

    @media (max-width:1100px){
      .hero-layout{grid-template-columns:1fr}
      .cinema-panel{max-width:720px;transform:none}
      .guide-grid,.latest-layout,.faq-layout{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .featured-wrap{grid-template-columns:1fr}
      .steps,.proof{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:860px){
      .container{width:min(100% - 32px,var(--container))}
      .nav{height:68px}
      .nav-links,.nav-actions{
        position:absolute;
        left:16px;right:16px;
        top:76px;
        display:none;
        background:rgba(18,9,13,.98);
        border:1px solid var(--border);
        border-radius:22px;
        box-shadow:var(--shadow);
        padding:12px;
      }
      .nav-links{
        flex-direction:column;
        align-items:stretch;
        gap:4px;
      }
      .nav-links a{
        min-height:48px;
        display:flex;
        align-items:center;
        border-radius:14px;
      }
      .nav-actions{
        top:302px;
        align-items:stretch;
        flex-direction:column;
      }
      .site-header.menu-open .nav-links,
      .site-header.menu-open .nav-actions{display:flex}
      .menu-btn{display:block}
      .brand-text strong{max-width:230px}
      .hero{min-height:auto}
      .hero-inner{padding:72px 0 52px}
      .section{padding:64px 0}
      .section-head{display:block}
      .bento{grid-template-columns:1fr}
      .bento-card.large,.bento-card.medium,.bento-card.small{grid-column:auto}
      .bento-photo{position:relative;inset:auto;margin-top:18px;height:180px}
      .rec-grid{grid-template-columns:1fr}
      .feature-card{min-height:400px}
      .footer-grid{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta-actions{margin-top:22px}
    }
    @media (max-width:600px){
      .container{width:min(100% - 28px,var(--container))}
      .age-strip .container{justify-content:flex-start;text-align:left}
      .brand-text strong{max-width:190px;font-size:14px}
      .brand-text span{display:none}
      h1{font-size:34px;letter-spacing:-.045em}
      .hero-sub{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .cover-stack{grid-template-columns:1fr}
      .mini-cover.tall,.mini-cover{min-height:210px}
      .guide-intro,.bento-card,.side-panel,.proof-card,.step-card{padding:20px}
      .featured-wrap{gap:14px}
      .feature-card{min-height:360px}
      .feature-content{left:20px;right:20px;bottom:20px}
      .post-item{grid-template-columns:1fr;padding:18px}
      .post-index{width:100%;aspect-ratio:16/7}
      .post-foot{align-items:flex-start;flex-direction:column}
      .steps,.proof{grid-template-columns:1fr}
      .cta-card{padding:28px 20px;border-radius:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

/* roulang page: article */
:root{
      --bg:#12090D;
      --bg-2:#171014;
      --panel:#21151B;
      --panel-2:#2A1A22;
      --panel-3:#341F28;
      --primary:#E85D75;
      --primary-2:#ff7890;
      --warm:#FFB36B;
      --gold:#C9A46A;
      --text:#EDE5E7;
      --muted:#BCAFB4;
      --weak:#82757B;
      --border:rgba(255,255,255,.08);
      --border-strong:rgba(232,93,117,.45);
      --shadow:0 22px 70px rgba(0,0,0,.35);
      --shadow-soft:0 14px 34px rgba(0,0,0,.24);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 4%, rgba(232,93,117,.16), transparent 32%),
        radial-gradient(circle at 82% 12%, rgba(255,179,107,.13), transparent 28%),
        linear-gradient(180deg,var(--bg),#0D070A 60%,#090507);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, #000, transparent 82%);
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
    a:hover{color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(232,93,117,.35);color:#fff}
    .container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--warm);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(232,93,117,.12);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:end;
      margin-bottom:34px;
    }
    .section-title{
      font-size:clamp(28px,4vw,38px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.03em;
      margin:0;
    }
    .section-desc{
      color:var(--muted);
      font-size:16px;
      max-width:620px;
      margin-top:12px;
      margin-bottom:0;
    }

    .age-strip{
      background:linear-gradient(90deg,rgba(232,93,117,.18),rgba(255,179,107,.10),rgba(232,93,117,.12));
      border-bottom:1px solid rgba(255,255,255,.06);
      color:var(--muted);
      font-size:13px;
    }
    .age-strip .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .age-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--warm);
      box-shadow:0 0 0 6px rgba(255,179,107,.10);
      flex:0 0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(18,9,13,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
      box-shadow:0 10px 30px rgba(0,0,0,.18);
    }
    .nav{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 35% 28%, rgba(255,255,255,.28), transparent 22%),
        linear-gradient(135deg,var(--primary),#8E3144 58%,#291019);
      box-shadow:0 12px 28px rgba(232,93,117,.28);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.06em;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:15px;
      font-weight:900;
      max-width:330px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      color:var(--weak);
      font-size:12px;
      margin-top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#fff;
      background:rgba(232,93,117,.13);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
      border:1px solid var(--border);
      color:var(--text);
      background:rgba(255,255,255,.04);
    }
    .badge.adult{background:rgba(232,93,117,.92);border-color:rgba(232,93,117,.9);color:#fff}
    .badge.new{background:rgba(255,179,107,.18);border-color:rgba(255,179,107,.28);color:var(--warm)}
    .badge.gold{background:rgba(201,164,106,.13);border-color:rgba(201,164,106,.26);color:#E7C98F}
    .badge.dark{background:rgba(255,255,255,.045);border-color:var(--border);color:var(--muted)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      letter-spacing:.01em;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#C94761);
      box-shadow:0 14px 34px rgba(232,93,117,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 18px 42px rgba(232,93,117,.34);color:#fff}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.035);
      border-color:rgba(201,164,106,.34);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(255,179,107,.72);background:rgba(255,179,107,.08);color:#fff}
    .btn-ghost{
      color:var(--warm);
      background:transparent;
      border-color:rgba(255,179,107,.18);
      padding-inline:16px;
    }
    .btn-ghost:hover{background:rgba(255,179,107,.08);border-color:rgba(255,179,107,.45);color:#FFD0A0}
    .btn:focus-visible,
    .nav-links a:focus-visible,
    .brand:focus-visible,
    .menu-btn:focus-visible,
    .footer-links a:focus-visible,
    .article-body a:focus-visible{
      outline:3px solid rgba(255,179,107,.55);
      outline-offset:3px;
    }
    .menu-btn{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--border);
      position:relative;
      flex:0 0 auto;
    }
    .menu-btn span,
    .menu-btn::before,
    .menu-btn::after{
      content:"";
      position:absolute;
      left:13px;
      right:13px;
      height:2px;
      border-radius:10px;
      background:var(--text);
      transition:transform .22s var(--ease),top .22s var(--ease),opacity .22s var(--ease);
    }
    .menu-btn span{top:22px}
    .menu-btn::before{top:15px}
    .menu-btn::after{top:29px}
    .menu-btn.is-open span{opacity:0}
    .menu-btn.is-open::before{top:22px;transform:rotate(45deg)}
    .menu-btn.is-open::after{top:22px;transform:rotate(-45deg)}

    .article-hero{
      position:relative;
      padding:58px 0 34px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,rgba(18,9,13,.45),rgba(18,9,13,.96)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      opacity:.42;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-120px;
      top:-160px;
      border-radius:50%;
      background:rgba(232,93,117,.18);
      filter:blur(30px);
      z-index:-1;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin:0 0 26px;
      color:var(--weak);
      font-size:14px;
    }
    .breadcrumb a{
      color:var(--muted);
      font-weight:700;
    }
    .breadcrumb a:hover{color:var(--primary-2)}
    .breadcrumb .sep{color:rgba(255,255,255,.26)}
    .breadcrumb .current{
      color:var(--warm);
      max-width:52ch;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .article-head-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
    }
    .article-title{
      font-size:clamp(32px,5vw,56px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.045em;
      margin:0;
      max-width:920px;
    }
    .article-summary{
      margin:18px 0 0;
      color:var(--muted);
      font-size:17px;
      line-height:1.8;
      max-width:820px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:22px;
      color:var(--weak);
      font-size:14px;
    }
    .meta-dot{
      width:5px;
      height:5px;
      border-radius:50%;
      background:rgba(255,255,255,.24);
    }
    .cover-card{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--border);
      min-height:240px;
      box-shadow:var(--shadow);
      background:var(--panel-2);
    }
    .cover-card img{
      width:100%;
      height:100%;
      min-height:240px;
      object-fit:cover;
      filter:saturate(.9) contrast(.95);
      transform:scale(1.01);
    }
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(18,9,13,.10),rgba(18,9,13,.84));
    }
    .cover-info{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:end;
    }
    .cover-info strong{
      font-size:18px;
      line-height:1.35;
      max-width:220px;
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) minmax(280px,1fr);
      gap:36px;
      align-items:start;
      padding-top:48px;
      padding-bottom:28px;
    }
    .reader-card{
      background:linear-gradient(180deg,rgba(33,21,27,.96),rgba(23,16,20,.98));
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .reader-toolbar{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      padding:18px 22px;
      border-bottom:1px solid var(--border);
      background:rgba(255,255,255,.025);
      color:var(--muted);
      font-size:14px;
    }
    .reader-toolbar strong{color:var(--text)}
    .article-body{
      padding:34px;
      font-size:17px;
      line-height:1.85;
      color:var(--text);
      overflow-wrap:anywhere;
    }
    .article-body p{margin:0 0 1.05em}
    .article-body h2{
      margin:2em 0 .85em;
      font-size:clamp(24px,3vw,32px);
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.03em;
      position:relative;
      padding-left:16px;
    }
    .article-body h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.2em;
      width:5px;
      height:1.1em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--primary),var(--warm));
    }
    .article-body h3{
      margin:1.7em 0 .7em;
      font-size:22px;
      line-height:1.35;
      font-weight:800;
      color:#fff;
    }
    .article-body h4{
      margin:1.45em 0 .5em;
      font-size:19px;
      font-weight:800;
      color:var(--warm);
    }
    .article-body a{
      color:var(--warm);
      font-weight:750;
      border-bottom:1px solid rgba(255,179,107,.28);
    }
    .article-body a:hover{
      color:#FFD0A0;
      border-bottom-color:rgba(255,179,107,.78);
    }
    .article-body ul,
    .article-body ol{
      margin:0 0 1.15em 0;
      padding-left:1.35em;
    }
    .article-body li{margin:.42em 0;color:var(--text)}
    .article-body blockquote{
      margin:1.55em 0;
      padding:20px 22px;
      border-left:4px solid var(--primary);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:rgba(232,93,117,.08);
      color:#F2DDE2;
    }
    .article-body hr{
      border:0;
      height:1px;
      margin:2em 0;
      background:linear-gradient(90deg,transparent,rgba(201,164,106,.42),transparent);
      opacity:1;
    }
    .article-body img{
      width:100%;
      border-radius:var(--radius-md);
      border:1px solid var(--border);
      margin:1.4em 0 .7em;
      box-shadow:var(--shadow-soft);
    }
    .article-body figure{
      margin:1.5em 0;
    }
    .article-body figcaption{
      color:var(--weak);
      font-size:14px;
      text-align:center;
      margin-top:10px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      margin:1.4em 0;
      background:rgba(255,255,255,.025);
    }
    .article-body th,
    .article-body td{
      padding:12px 14px;
      border-bottom:1px solid var(--border);
      color:var(--muted);
      vertical-align:top;
    }
    .article-body th{
      color:var(--text);
      background:rgba(232,93,117,.10);
      font-weight:800;
    }
    .article-body tr:last-child th,
    .article-body tr:last-child td{border-bottom:0}
    .article-body .note,
    .article-body .tips,
    .article-body .notice{
      border:1px solid rgba(255,179,107,.28);
      border-radius:var(--radius-md);
      background:rgba(255,179,107,.08);
      padding:18px 20px;
      color:#F1E0CE;
      margin:1.45em 0;
    }
    .not-found{
      min-height:380px;
      display:grid;
      place-items:center;
      text-align:center;
      padding:46px 24px;
    }
    .not-found-icon{
      width:70px;
      height:70px;
      margin:0 auto 18px;
      border-radius:24px;
      display:grid;
      place-items:center;
      color:var(--warm);
      background:rgba(255,179,107,.10);
      border:1px solid rgba(255,179,107,.24);
      font-size:32px;
    }
    .not-found h2{
      margin:0 0 10px;
      font-size:28px;
      font-weight:850;
    }
    .not-found p{
      color:var(--muted);
      margin:0 0 22px;
    }

    .side-stack{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:rgba(33,21,27,.88);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .side-card h2,
    .side-card h3{
      margin:0 0 14px;
      font-size:20px;
      line-height:1.35;
      font-weight:850;
    }
    .side-card p{
      color:var(--muted);
      margin:0 0 14px;
      font-size:14px;
      line-height:1.75;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      padding:10px 0;
      border-bottom:1px solid rgba(255,255,255,.055);
    }
    .side-list li:last-child{border-bottom:0}
    .side-num{
      width:24px;
      height:24px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(232,93,117,.14);
      color:var(--primary-2);
      font-size:12px;
      font-weight:900;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .mini-cover{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-md);
      border:1px solid var(--border);
      margin-bottom:16px;
    }
    .mini-cover img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      filter:brightness(.78) saturate(.9);
      transition:transform .35s var(--ease);
    }
    .side-card:hover .mini-cover img{transform:scale(1.035)}

    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:26px;
    }
    .related-card{
      min-height:100%;
      padding:22px;
      background:rgba(33,21,27,.88);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      background:rgba(42,26,34,.92);
    }
    .related-card .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:12px;
    }
    .related-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.38;
      font-weight:850;
    }
    .related-card h3 a:hover{color:var(--primary-2)}
    .related-card p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--warm);
      font-weight:800;
      font-size:14px;
    }
    .text-link:hover{color:#FFD0A0;transform:translateX(2px)}

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(201,164,106,.22);
      background:
        linear-gradient(135deg,rgba(232,93,117,.16),rgba(255,179,107,.08)),
        linear-gradient(180deg,var(--panel-2),#160C11);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:28px;
      align-items:center;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-80px;
      bottom:-110px;
      border-radius:50%;
      background:rgba(255,179,107,.16);
      filter:blur(18px);
      pointer-events:none;
    }
    .cta-panel h2{
      margin:0 0 10px;
      font-size:clamp(26px,3.5vw,36px);
      line-height:1.2;
      font-weight:900;
    }
    .cta-panel p{
      margin:0;
      color:var(--muted);
      max-width:720px;
    }
    .cta-actions{
      position:relative;
      z-index:2;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .faq-shell{
      display:grid;
      grid-template-columns:360px minmax(0,1fr);
      gap:34px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      background:rgba(33,21,27,.82);
      overflow:hidden;
      transition:border-color .22s var(--ease),background .22s var(--ease);
    }
    .faq-item.active{
      border-color:rgba(255,179,107,.44);
      background:rgba(42,26,34,.86);
    }
    .faq-question{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:850;
    }
    .faq-question span:first-child{line-height:1.45}
    .faq-icon{
      width:30px;
      height:30px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(232,93,117,.12);
      color:var(--primary-2);
      transition:transform .22s var(--ease),background .22s var(--ease);
    }
    .faq-item.active .faq-icon{transform:rotate(45deg);background:rgba(255,179,107,.14);color:var(--warm)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
    }
    .faq-item.active .faq-answer{display:block}

    .site-footer{
      margin-top:36px;
      background:#080406;
      border-top:1px solid rgba(201,164,106,.24);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr 1fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-text{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      max-width:560px;
    }
    .footer-title{
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      width:max-content;
    }
    .footer-links a:hover{color:var(--primary-2)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width: 1100px){
      .article-head-grid{grid-template-columns:1fr}
      .cover-card{max-width:680px}
      .article-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .faq-shell{grid-template-columns:1fr}
    }
    @media (max-width: 900px){
      .container{width:min(100% - 32px,var(--container))}
      .nav{height:70px}
      .menu-btn{display:block}
      .nav-links{
        position:absolute;
        left:16px;
        right:16px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        margin:0;
        padding:14px;
        border-radius:20px;
        background:rgba(18,9,13,.98);
        border:1px solid var(--border);
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{
        min-height:48px;
        display:flex;
        align-items:center;
        padding:12px 14px;
        border-radius:14px;
      }
      .nav-actions{display:none}
      .brand-text strong{max-width:250px}
      .article-hero{padding-top:40px}
      .section{padding:66px 0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 680px){
      .container{width:min(100% - 28px,var(--container))}
      .age-strip{font-size:12px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text strong{max-width:190px;font-size:14px}
      .brand-text span{display:none}
      .article-title{font-size:34px;letter-spacing:-.035em}
      .article-summary{font-size:15px}
      .breadcrumb .current{max-width:26ch}
      .cover-info{align-items:flex-start;flex-direction:column}
      .reader-toolbar{align-items:flex-start;flex-direction:column}
      .article-body{padding:24px 20px;font-size:16px;line-height:1.82}
      .article-body table{display:block;overflow-x:auto}
      .side-stack{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr;padding:26px 20px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width: 460px){
      .container{width:min(100% - 24px,var(--container))}
      .article-hero{padding-top:30px}
      .article-title{font-size:30px}
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .btn{width:100%;min-height:48px}
      .breadcrumb{font-size:13px}
      .side-card,.related-card{padding:18px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}