/* roulang page: index */
:root{
      --bg:#0b0b0f;
      --bg-2:#111118;
      --panel:#171720;
      --panel-2:#1b1b27;
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(255,255,255,.14);
      --text:#f5f3f7;
      --muted:#a7a1b7;
      --soft:#8e8aa3;
      --brand:#ff4d8d;
      --brand-2:#ff8a3d;
      --brand-3:#ff6f61;
      --good:#4ee1a0;
      --warn:#ffd166;
      --shadow:0 24px 60px rgba(0,0,0,.42);
      --shadow-soft:0 12px 30px rgba(0,0,0,.28);
      --r-lg:28px;
      --r-md:20px;
      --r-sm:14px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(17,17,24,.96) 0%, rgba(11,11,15,1) 38%, rgba(10,10,14,1) 100%);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
      line-height:1.75;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(135deg, rgba(255,77,141,.06), transparent 34%),
        linear-gradient(225deg, rgba(255,138,61,.06), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 24%);
      opacity:.9;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:80px 80px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.02) 40%, rgba(0,0,0,0) 75%);
      opacity:.35;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .2s ease, border-color .2s ease, background-color .2s ease, transform .2s ease, box-shadow .2s ease, opacity .2s ease;
    }
    img{
      display:block;
      max-width:100%;
      border:0;
    }
    button,input,textarea{
      font:inherit;
    }
    button{
      cursor:pointer;
    }
    :focus-visible{
      outline:2px solid rgba(255,138,61,.85);
      outline-offset:3px;
      border-radius:10px;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(16px);
      background:rgba(11,11,15,.72);
      border-bottom:1px solid transparent;
      transition:border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
    }
    .site-header.is-scrolled{
      background:rgba(11,11,15,.88);
      border-bottom-color:var(--line);
      box-shadow:0 10px 28px rgba(0,0,0,.18);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
      min-width:0;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 26px rgba(255,77,141,.22);
      position:relative;
      flex:none;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:14px;
      top:10px;
      width:0;
      height:0;
      border-left:13px solid #fff;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      filter:drop-shadow(0 2px 8px rgba(0,0,0,.22));
    }
    .brand span{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .header-spacer{
      flex:1 1 auto;
      min-width:12px;
    }
    .menu-toggle{
      display:none;
      align-items:center;
      gap:10px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      padding:11px 14px;
      border-radius:999px;
      box-shadow:none;
    }
    .menu-toggle svg{width:18px;height:18px}
    .nav-panel{
      display:flex;
      align-items:center;
      gap:18px;
      flex:0 0 auto;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .site-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:14px;
      font-weight:600;
    }
    .site-nav a:hover{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.03);
    }
    .site-nav a.active{
      color:var(--text);
      background:linear-gradient(135deg, rgba(255,77,141,.16), rgba(255,138,61,.14));
      border-color:rgba(255,138,61,.22);
      box-shadow:0 8px 22px rgba(255,77,141,.08);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border:1px solid rgba(255,209,102,.28);
      background:rgba(255,209,102,.08);
      color:#ffe7a7;
      font-size:13px;
      border-radius:999px;
      white-space:nowrap;
    }
    .age-pill::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--warn);
      box-shadow:0 0 0 4px rgba(255,209,102,.14);
      flex:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background-color .2s ease, color .2s ease, opacity .2s ease;
    }
    .btn svg{width:16px;height:16px;flex:none}
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      color:#1a0d13;
      background:linear-gradient(135deg, #ffb35c 0%, #ff5e8f 52%, #ff8a3d 100%);
      box-shadow:0 14px 30px rgba(255,77,141,.22);
    }
    .btn-primary:hover{
      box-shadow:0 18px 38px rgba(255,77,141,.28);
    }
    .btn-secondary{
      color:var(--text);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.03);
    }
    .btn-secondary:hover{
      border-color:rgba(255,138,61,.4);
      background:rgba(255,255,255,.06);
    }
    .btn-ghost{
      color:var(--text);
      border-color:var(--line);
      background:transparent;
    }
    .btn-ghost:hover{
      border-color:rgba(255,138,61,.4);
      background:rgba(255,255,255,.05);
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:30px 0 16px;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(11,11,15,.36), rgba(11,11,15,.72)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      opacity:.24;
      filter:saturate(112%) contrast(102%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:center;
      min-height:calc(100vh - 120px);
      padding:22px 0 10px;
    }
    .eyebrow-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      color:#ffe9f0;
      background:linear-gradient(135deg, rgba(255,77,141,.16), rgba(255,138,61,.13));
      border:1px solid rgba(255,138,61,.16);
    }
    .eyebrow.light{
      color:#f6e9ff;
      background:rgba(255,255,255,.04);
      border-color:var(--line);
    }
    .hero h1{
      margin:0 0 16px;
      max-width:12ch;
      font-size:clamp(34px, 4.8vw, 58px);
      line-height:1.08;
      letter-spacing:0;
      font-weight:800;
    }
    .hero h1 .accent{
      display:block;
      color:#fff;
      text-shadow:0 10px 24px rgba(0,0,0,.24);
    }
    .hero h1 .sub{
      display:block;
      margin-top:8px;
      color:#ffd7e3;
    }
    .hero-lead{
      max-width:640px;
      margin:0 0 22px;
      color:#ded9e7;
      font-size:17px;
      line-height:1.82;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:20px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
      margin-top:10px;
    }
    .stat{
      padding:14px 14px 13px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .stat strong{
      display:block;
      color:var(--text);
      font-size:15px;
      margin-bottom:4px;
    }
    .stat span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .hero-visual{
      position:relative;
      padding:20px;
      border-radius:var(--r-lg);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(23,23,32,.92), rgba(17,17,24,.94));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(17,17,24,.06), rgba(17,17,24,.62)),
        linear-gradient(135deg, rgba(255,77,141,.12), transparent 40%);
      pointer-events:none;
    }
    .visual-main{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      aspect-ratio:16/10;
      border:1px solid rgba(255,255,255,.08);
      background:#111;
      box-shadow:var(--shadow-soft);
    }
    .visual-main img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.02);
      filter:saturate(104%) contrast(106%);
    }
    .visual-overlay{
      position:absolute;
      inset:auto 0 0 0;
      padding:18px;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      background:linear-gradient(180deg, transparent, rgba(8,8,12,.82));
    }
    .play-badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-height:44px;
      padding:0 14px 0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(8px);
      font-size:14px;
      font-weight:700;
      color:var(--text);
    }
    .play-icon{
      width:22px;
      height:22px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      display:inline-flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 10px 20px rgba(255,77,141,.22);
      flex:none;
    }
    .play-icon::before{
      content:"";
      display:block;
      width:0;
      height:0;
      border-left:8px solid #fff;
      border-top:5px solid transparent;
      border-bottom:5px solid transparent;
      margin-left:2px;
    }
    .quality-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(12,12,16,.62);
      border:1px solid rgba(255,255,255,.08);
      color:#f4edf8;
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .visual-stack{
      margin-top:14px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .mini-card{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      aspect-ratio:1/1.04;
      border:1px solid var(--line);
      background:var(--panel);
    }
    .mini-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(108%) contrast(105%);
    }
    .mini-card .mini-mask{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(11,11,15,.06), rgba(11,11,15,.74));
    }
    .mini-card .mini-copy{
      position:absolute;
      inset:auto 0 0 0;
      padding:14px;
    }
    .mini-copy strong{
      display:block;
      font-size:14px;
      margin-bottom:4px;
    }
    .mini-copy span{
      display:block;
      font-size:12px;
      color:#dfd7e7;
      line-height:1.55;
    }
    .notice{
      margin:14px 0 0;
      padding:18px 20px;
      border-radius:22px;
      border:1px solid rgba(255,209,102,.22);
      background:linear-gradient(135deg, rgba(255,209,102,.10), rgba(255,255,255,.02));
      display:flex;
      align-items:flex-start;
      gap:14px;
      box-shadow:var(--shadow-soft);
    }
    .notice-icon{
      width:38px;
      height:38px;
      border-radius:12px;
      background:rgba(255,209,102,.12);
      border:1px solid rgba(255,209,102,.24);
      display:grid;
      place-items:center;
      flex:none;
      color:#ffe39d;
    }
    .notice-icon svg{width:19px;height:19px}
    .notice strong{
      display:block;
      font-size:15px;
      margin-bottom:4px;
    }
    .notice p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .section{
      padding:72px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(26px, 3vw, 38px);
      line-height:1.15;
      font-weight:800;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      max-width:560px;
      color:var(--muted);
      font-size:16px;
      line-height:1.8;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:16px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(23,23,32,.96), rgba(18,18,26,.96));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .feature-card.large{
      min-height:360px;
    }
    .feature-visual{
      position:absolute;
      inset:0;
    }
    .feature-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.33;
      filter:saturate(112%) contrast(108%);
    }
    .feature-cover{
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(11,11,15,.08), rgba(11,11,15,.82)),
        linear-gradient(135deg, rgba(255,77,141,.14), transparent 42%);
    }
    .feature-body{
      position:relative;
      padding:24px;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      gap:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05);
      color:#f7edf6;
      font-size:12px;
      font-weight:700;
    }
    .feature-body h3{
      margin:0;
      font-size:26px;
      line-height:1.18;
      font-weight:800;
      max-width:13ch;
    }
    .feature-body p{
      margin:0;
      max-width:38ch;
      color:#ded9e7;
      line-height:1.8;
      font-size:15px;
    }
    .feature-mini{
      padding:22px;
      min-height:174px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:16px;
    }
    .feature-mini .mini-head{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .mini-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(255,77,141,.18), rgba(255,138,61,.18));
      border:1px solid rgba(255,138,61,.14);
      display:grid;
      place-items:center;
      color:#ffd7e1;
      flex:none;
    }
    .mini-icon svg{width:20px;height:20px}
    .feature-mini h3{
      margin:0;
      font-size:19px;
      font-weight:800;
      line-height:1.2;
    }
    .feature-mini p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .updates-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);
      gap:16px;
    }
    .story-card,
    .update-list,
    .guide-column,
    .safety-panel,
    .faq-panel,
    .cta-shell{
      border-radius:24px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(23,23,32,.94), rgba(16,16,22,.96));
      box-shadow:var(--shadow-soft);
    }
    .story-card{
      overflow:hidden;
      min-height:100%;
    }
    .story-link{
      display:block;
      height:100%;
      color:inherit;
    }
    .story-media{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#111;
    }
    .story-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(108%) contrast(106%);
      transform:scale(1.02);
    }
    .story-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(11,11,15,.12), rgba(11,11,15,.9));
    }
    .story-copy{
      position:relative;
      padding:22px 22px 24px;
    }
    .story-top{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:14px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:0 11px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:#e7e1ef;
      border:1px solid var(--line);
      font-size:12px;
      font-weight:700;
    }
    .story-copy h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.25;
      font-weight:800;
    }
    .story-copy p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .story-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#d6cfdf;
      font-size:13px;
    }
    .story-foot span{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .story-foot svg{width:15px;height:15px}
    .update-list{
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .update-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:start;
      padding:16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
    }
    .update-item:hover{
      transform:translateY(-2px);
      border-color:rgba(255,138,61,.26);
      background:rgba(255,255,255,.05);
    }
    .update-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--soft);
      font-size:12px;
    }
    .update-meta .pill{
      display:inline-flex;
      align-items:center;
      min-height:26px;
      padding:0 10px;
      border-radius:999px;
      color:#f5edf7;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      font-weight:700;
    }
    .update-item h3{
      margin:0 0 8px;
      font-size:17px;
      line-height:1.42;
      font-weight:800;
    }
    .update-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
    }
    .arrow{
      width:36px;
      height:36px;
      border-radius:12px;
      border:1px solid var(--line);
      display:grid;
      place-items:center;
      color:#ffdbe6;
      background:rgba(255,255,255,.03);
      align-self:center;
      flex:none;
    }
    .arrow svg{width:16px;height:16px}
    .update-item:hover .arrow{
      border-color:rgba(255,138,61,.28);
      background:rgba(255,138,61,.1);
    }
    .empty-state{
      min-height:320px;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      padding:32px 20px;
    }
    .empty-box{
      max-width:360px;
    }
    .empty-icon{
      width:60px;
      height:60px;
      margin:0 auto 16px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      color:#d9d2e4;
    }
    .empty-icon svg{width:28px;height:28px}
    .empty-text{
      margin:0 0 14px;
      font-size:16px;
      font-weight:700;
      color:var(--text);
    }
    .empty-sub{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .empty-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .guide-step{
      padding:20px 18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      position:relative;
      overflow:hidden;
    }
    .guide-step::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,77,141,.08), transparent 45%);
      pointer-events:none;
    }
    .step-index{
      width:38px;
      height:38px;
      border-radius:13px;
      background:linear-gradient(135deg, rgba(255,77,141,.2), rgba(255,138,61,.22));
      border:1px solid rgba(255,138,61,.18);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
      position:relative;
      z-index:1;
    }
    .guide-step h3{
      margin:0 0 8px;
      font-size:17px;
      line-height:1.35;
      font-weight:800;
      position:relative;
      z-index:1;
    }
    .guide-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.78;
      position:relative;
      z-index:1;
    }
    .guide-column{
      overflow:hidden;
    }
    .guide-aside{
      padding:22px;
      border-top:1px solid var(--line);
      background:rgba(255,255,255,.02);
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .guide-aside .mini-icon{
      width:40px;
      height:40px;
      flex:none;
    }
    .guide-aside strong{
      display:block;
      margin-bottom:4px;
      font-size:15px;
    }
    .guide-aside p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .safety-layout{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:16px;
      align-items:stretch;
    }
    .safety-panel{
      padding:24px;
    }
    .safety-panel h2,
    .faq-panel h2,
    .cta-copy h2{
      margin:0 0 14px;
      font-size:clamp(24px, 2.8vw, 34px);
      line-height:1.18;
      font-weight:800;
    }
    .safety-panel p,
    .faq-panel .section-note,
    .cta-copy p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.86;
    }
    .safety-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .safety-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px 14px 14px 16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
    }
    .bullet{
      width:10px;
      height:10px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      margin-top:8px;
      box-shadow:0 0 0 4px rgba(255,77,141,.08);
      flex:none;
    }
    .safety-list strong{
      display:block;
      margin-bottom:3px;
      font-size:14px;
    }
    .safety-list span{
      display:block;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .safety-media{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid var(--line);
      background:var(--panel);
      min-height:100%;
    }
    .safety-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.72;
      filter:saturate(108%) contrast(106%);
    }
    .safety-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(11,11,15,.12), rgba(11,11,15,.82)),
        linear-gradient(135deg, rgba(255,77,141,.14), transparent 42%);
    }
    .safety-note{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(10,10,14,.54);
      backdrop-filter:blur(12px);
    }
    .safety-note strong{
      display:block;
      margin-bottom:4px;
      font-size:15px;
    }
    .safety-note span{
      display:block;
      color:#ded9e7;
      font-size:13px;
      line-height:1.75;
    }
    .faq-panel{
      padding:24px;
    }
    .faq-grid{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(255,138,61,.24);
      background:rgba(255,255,255,.05);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-size:15px;
      font-weight:700;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:9px;
      border:1px solid var(--line);
      display:grid;
      place-items:center;
      color:#eddff0;
      flex:none;
      background:rgba(255,255,255,.03);
      transition:transform .2s ease, background-color .2s ease, border-color .2s ease;
    }
    details[open] summary::after{
      content:"–";
      transform:rotate(0deg);
      border-color:rgba(255,138,61,.24);
      background:rgba(255,138,61,.1);
    }
    .faq-answer{
      padding:0 18px 16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .cta{
      padding:10px 0 80px;
    }
    .cta-shell{
      position:relative;
      overflow:hidden;
    }
    .cta-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(11,11,15,.28), rgba(11,11,15,.84)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      opacity:.7;
    }
    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
      align-items:center;
      padding:28px;
    }
    .cta-copy{
      max-width:680px;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      align-items:center;
    }
    .cta-card{
      padding:18px;
      border-radius:22px;
      background:rgba(10,10,14,.45);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(14px);
      color:#f0eaf2;
    }
    .cta-card strong{
      display:block;
      margin-bottom:8px;
      font-size:16px;
    }
    .cta-card p{
      margin:0;
      font-size:14px;
      line-height:1.82;
      color:#ddd6e4;
    }
    .site-footer{
      padding:28px 0 36px;
      border-top:1px solid var(--line);
      background:rgba(8,8,12,.6);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .footer-brand .brand span{
      font-size:18px;
    }
    .footer-brand p{
      margin:0;
      max-width:620px;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:12px 18px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#e7e1ef;
      font-size:14px;
      padding:8px 0;
    }
    .footer-links a::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      flex:none;
    }
    .copyright{
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid var(--line);
      color:var(--soft);
      font-size:13px;
      line-height:1.8;
    }
    .reveal{
      opacity:0;
      transform:translateY(16px);
      transition:opacity .6s ease, transform .6s ease;
    }
    .reveal.is-visible{
      opacity:1;
      transform:translateY(0);
    }
    @media (max-width: 1199px){
      .hero-grid{
        min-height:auto;
        padding:18px 0 6px;
      }
      .hero-stats{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .feature-grid{
        grid-template-columns:1fr 1fr;
      }
      .feature-card.large{
        grid-column:1 / -1;
        min-height:320px;
      }
      .updates-grid,
      .safety-layout,
      .cta-inner,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .guide-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media (max-width: 991px){
      .header-inner{
        flex-wrap:wrap;
        gap:12px;
        padding:12px 0;
      }
      .menu-toggle{
        display:inline-flex;
        margin-left:auto;
      }
      .header-spacer{
        display:none;
      }
      .nav-panel{
        width:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:12px;
        padding:0 0 10px;
      }
      .site-header.is-open .nav-panel{
        display:flex;
      }
      .site-nav{
        flex-direction:column;
        align-items:stretch;
        width:100%;
      }
      .site-nav a{
        width:100%;
        text-align:center;
      }
      .header-actions{
        width:100%;
        justify-content:space-between;
      }
      .hero-grid{
        grid-template-columns:1fr;
        gap:18px;
      }
      .hero h1{
        max-width:100%;
      }
      .feature-grid{
        grid-template-columns:1fr;
      }
      .guide-grid{
        grid-template-columns:1fr 1fr;
      }
      .section{
        padding:60px 0;
      }
    }
    @media (max-width: 767px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .hero{
        padding-top:18px;
      }
      .hero-lead{
        font-size:16px;
      }
      .hero-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .hero-actions .btn{
        width:100%;
      }
      .hero-stats{
        grid-template-columns:1fr;
      }
      .visual-stack{
        grid-template-columns:1fr 1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .guide-grid,
      .cta-inner,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .update-item{
        grid-template-columns:1fr;
      }
      .arrow{
        justify-self:start;
      }
      .cta{
        padding-bottom:64px;
      }
    }
    @media (max-width: 520px){
      .brand span{
        font-size:16px;
      }
      .age-pill{
        display:none;
      }
      .hero h1{
        font-size:clamp(30px, 9vw, 38px);
      }
      .hero-lead,
      .section-head p,
      .safety-panel p,
      .faq-panel .section-note,
      .cta-copy p{
        font-size:14px;
      }
      .visual-overlay{
        flex-direction:column;
        align-items:flex-start;
      }
      .visual-stack{
        grid-template-columns:1fr;
      }
      .notice{
        padding:16px;
      }
      .feature-body,
      .feature-mini,
      .story-copy,
      .safety-panel,
      .faq-panel,
      .cta-inner,
      .guide-aside{
        padding:18px;
      }
      .story-copy h3{
        font-size:21px;
      }
      .guide-step{
        padding:18px 16px;
      }
      .footer-links{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 420px){
      .container{
        width:min(var(--container), calc(100% - 20px));
      }
      .btn{
        min-height:42px;
        padding:0 16px;
      }
      .notice{
        gap:12px;
      }
      .notice p,
      .empty-sub,
      .safety-note span,
      .faq-answer,
      .update-item p{
        line-height:1.72;
      }
      .section{
        padding:52px 0;
      }
    }

/* roulang page: article */
:root{
      --bg:#0b0b0f;
      --bg-2:#111118;
      --panel:#171720;
      --panel-2:#1b1b27;
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(255,255,255,.14);
      --text:#f5f3f7;
      --muted:#a7a1b7;
      --soft:#8e8aa3;
      --brand:#ff4d8d;
      --brand-2:#ff8a3d;
      --brand-3:#ff6f61;
      --good:#4ee1a0;
      --warn:#ffd166;
      --shadow:0 24px 60px rgba(0,0,0,.42);
      --shadow-soft:0 12px 30px rgba(0,0,0,.28);
      --r-lg:28px;
      --r-md:20px;
      --r-sm:14px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(17,17,24,.96) 0%, rgba(11,11,15,1) 38%, rgba(10,10,14,1) 100%);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
      line-height:1.75;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 12% 10%, rgba(255,77,141,.18), transparent 32%),
        radial-gradient(circle at 88% 14%, rgba(255,138,61,.13), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 24%);
      opacity:.9;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:80px 80px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.2), rgba(0,0,0,.05) 44%, rgba(0,0,0,0) 78%);
      opacity:.35;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .2s ease, border-color .2s ease, background-color .2s ease, transform .2s ease, box-shadow .2s ease, opacity .2s ease;
    }
    a:focus-visible,button:focus-visible{
      outline:3px solid rgba(255,138,61,.45);
      outline-offset:3px;
      border-radius:12px;
    }
    img{display:block;max-width:100%;border:0}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(16px);
      background:rgba(11,11,15,.72);
      border-bottom:1px solid transparent;
      transition:border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
    }
    .site-header.is-scrolled{
      background:rgba(11,11,15,.88);
      border-bottom-color:var(--line);
      box-shadow:0 10px 28px rgba(0,0,0,.18);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
      min-width:0;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 26px rgba(255,77,141,.22);
      position:relative;
      flex:none;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:14px;
      top:10px;
      width:0;
      height:0;
      border-left:13px solid #fff;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      filter:drop-shadow(0 2px 8px rgba(0,0,0,.22));
    }
    .brand span{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .header-spacer{flex:1 1 auto;min-width:12px}
    .menu-toggle{
      display:none;
      align-items:center;
      gap:10px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      padding:11px 14px;
      border-radius:999px;
      box-shadow:none;
    }
    .menu-toggle svg{width:18px;height:18px}
    .nav-panel{
      display:flex;
      align-items:center;
      gap:18px;
      flex:0 0 auto;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .site-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:14px;
      font-weight:600;
    }
    .site-nav a:hover{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.03);
    }
    .site-nav a.active{
      color:var(--text);
      background:linear-gradient(135deg, rgba(255,77,141,.16), rgba(255,138,61,.14));
      border-color:rgba(255,138,61,.22);
      box-shadow:0 8px 22px rgba(255,77,141,.08);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border:1px solid rgba(255,209,102,.28);
      background:rgba(255,209,102,.08);
      color:#ffe7a7;
      font-size:13px;
      border-radius:999px;
      white-space:nowrap;
    }
    .age-pill::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--warn);
      box-shadow:0 0 0 4px rgba(255,209,102,.14);
      flex:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background-color .2s ease, color .2s ease, opacity .2s ease;
    }
    .btn svg{width:16px;height:16px;flex:none}
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      color:#1a0d13;
      background:linear-gradient(135deg, #ffb35c 0%, #ff5e8f 52%, #ff8a3d 100%);
      box-shadow:0 14px 30px rgba(255,77,141,.22);
    }
    .btn-primary:hover{box-shadow:0 18px 38px rgba(255,77,141,.28)}
    .btn-secondary{
      color:var(--text);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.03);
    }
    .btn-secondary:hover{
      border-color:rgba(255,138,61,.35);
      background:rgba(255,255,255,.06);
      color:#fff;
    }
    .btn-ghost{
      color:var(--muted);
      border-color:var(--line);
      background:rgba(255,255,255,.025);
    }
    .btn-ghost:hover{
      color:var(--text);
      border-color:rgba(255,77,141,.28);
      background:rgba(255,77,141,.08);
    }
    .section{
      padding:72px 0;
      position:relative;
    }
    .section-sm{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      width:max-content;
      max-width:100%;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,138,61,.22);
      background:linear-gradient(135deg, rgba(255,77,141,.11), rgba(255,138,61,.08));
      color:#ffd7c0;
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 0 4px rgba(255,77,141,.14);
      flex:none;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
      color:#d8d2e5;
      font-size:12px;
      font-weight:700;
      line-height:1.2;
    }
    .tag.hot{
      border-color:rgba(255,138,61,.25);
      color:#ffd9c1;
      background:rgba(255,138,61,.08);
    }
    .article-hero{
      padding:52px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(11,11,15,.42), var(--bg) 86%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      opacity:.35;
      z-index:-2;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-210px;
      top:-210px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,77,141,.25), transparent 62%);
      filter:blur(6px);
      z-index:-1;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin:0 0 24px;
      color:var(--soft);
      font-size:13px;
    }
    .breadcrumb a{
      color:#c9c2d8;
      border-bottom:1px solid transparent;
    }
    .breadcrumb a:hover{
      color:#fff;
      border-bottom-color:rgba(255,138,61,.5);
    }
    .breadcrumb .sep{opacity:.55}
    .breadcrumb .current{
      color:#ffd7c0;
      max-width:520px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .article-head-card{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 370px;
      gap:28px;
      align-items:stretch;
      padding:28px;
      border:1px solid var(--line);
      border-radius:var(--r-lg);
      background:
        linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.02)),
        rgba(23,23,32,.7);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      overflow:hidden;
      position:relative;
    }
    .article-head-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,77,141,.09), transparent 35%, rgba(255,138,61,.08));
      pointer-events:none;
    }
    .article-head-main,.article-cover{
      position:relative;
      z-index:1;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .article-meta span,.article-meta time{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .article-meta span::before,.article-meta time::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:rgba(255,255,255,.28);
      flex:none;
    }
    h1{
      margin:18px 0 0;
      font-size:clamp(32px, 4.2vw, 54px);
      line-height:1.12;
      letter-spacing:-.03em;
      font-weight:800;
      color:#fff;
      text-wrap:balance;
    }
    .article-summary{
      margin:20px 0 0;
      max-width:780px;
      color:#d6d0df;
      font-size:16px;
      line-height:1.85;
    }
    .article-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .article-cover{
      min-height:270px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow-soft);
      align-self:stretch;
      background:linear-gradient(135deg, rgba(255,77,141,.16), rgba(255,138,61,.1));
    }
    .article-cover img{
      width:100%;
      height:100%;
      min-height:270px;
      object-fit:cover;
      filter:saturate(.92) contrast(1.04);
      transform:scale(1.01);
    }
    .cover-shade{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.7));
    }
    .cover-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .play-badge{
      width:48px;
      height:48px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
    }
    .play-badge::before{
      content:"";
      margin-left:4px;
      width:0;
      height:0;
      border-left:14px solid #fff;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
    }
    .reading-section{
      padding:44px 0 72px;
    }
    .reading-layout{
      display:grid;
      grid-template-columns:minmax(0, 820px) minmax(260px, 1fr);
      gap:28px;
      align-items:start;
    }
    .article-shell{
      min-width:0;
      border-radius:var(--r-lg);
      border:1px solid var(--line);
      background:rgba(23,23,32,.82);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .article-top-note{
      padding:18px 24px;
      display:flex;
      align-items:flex-start;
      gap:12px;
      color:#ffe7a7;
      background:rgba(255,209,102,.075);
      border-bottom:1px solid rgba(255,209,102,.16);
      font-size:14px;
    }
    .article-top-note .note-icon{
      width:22px;
      height:22px;
      border-radius:8px;
      background:rgba(255,209,102,.16);
      display:grid;
      place-items:center;
      flex:none;
      margin-top:2px;
    }
    .article-content{
      padding:34px 38px 42px;
      color:#eeeaf4;
      font-size:17px;
      line-height:1.9;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content p{
      margin:0 0 1.25em;
      color:#e5dfed;
    }
    .article-content h2{
      margin:2.1em 0 .85em;
      padding-left:16px;
      position:relative;
      color:#fff;
      font-size:28px;
      line-height:1.3;
      font-weight:800;
      letter-spacing:-.01em;
    }
    .article-content h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.22em;
      width:5px;
      height:1.05em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--brand),var(--brand-2));
      box-shadow:0 0 18px rgba(255,77,141,.18);
    }
    .article-content h3{
      margin:1.75em 0 .7em;
      color:#fff5f8;
      font-size:22px;
      line-height:1.35;
      font-weight:750;
    }
    .article-content h4{
      margin:1.45em 0 .55em;
      color:#fff;
      font-size:18px;
      font-weight:750;
    }
    .article-content a{
      color:#ffb06a;
      border-bottom:1px solid rgba(255,176,106,.35);
      padding-bottom:1px;
    }
    .article-content a:hover{
      color:#ffd1a4;
      border-bottom-color:#ffd1a4;
    }
    .article-content ul,.article-content ol{
      margin:0 0 1.35em;
      padding-left:1.4em;
      color:#e8e2ef;
    }
    .article-content li{
      margin:.45em 0;
      padding-left:.1em;
    }
    .article-content blockquote{
      margin:1.6em 0;
      padding:20px 22px 20px 24px;
      border-left:4px solid var(--brand-2);
      border-radius:18px;
      background:linear-gradient(135deg, rgba(255,138,61,.09), rgba(255,77,141,.055));
      color:#fff4e8;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
    }
    .article-content blockquote p{color:#fff4e8}
    .article-content img{
      margin:1.8em auto .8em;
      border-radius:18px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      height:auto;
    }
    .article-content figure{
      margin:1.9em 0;
    }
    .article-content figcaption{
      margin-top:10px;
      color:var(--soft);
      font-size:13px;
      text-align:center;
    }
    .article-content table{
      width:100%;
      min-width:620px;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.025);
      margin:1.6em 0;
    }
    .article-content th,.article-content td{
      padding:13px 14px;
      border-bottom:1px solid var(--line);
      border-right:1px solid var(--line);
      text-align:left;
      vertical-align:top;
    }
    .article-content th{
      color:#fff;
      background:rgba(255,255,255,.06);
      font-weight:750;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content th:last-child,.article-content td:last-child{border-right:0}
    .article-content pre{
      overflow:auto;
      padding:18px;
      border-radius:18px;
      border:1px solid var(--line);
      background:#101018;
      color:#f7e9ef;
    }
    .article-content code{
      padding:.15em .38em;
      border-radius:8px;
      background:rgba(255,255,255,.08);
      color:#ffd0dc;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      font-size:.92em;
    }
    .article-content hr{
      margin:2.2em 0;
      border:0;
      border-top:1px solid var(--line);
    }
    .article-missing{
      padding:54px 30px;
      display:grid;
      place-items:center;
      gap:18px;
      min-height:260px;
      text-align:center;
    }
    .article-missing h2{
      margin:0;
      font-size:28px;
      font-weight:800;
      color:#fff;
    }
    .article-aside{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      display:grid;
      gap:18px;
    }
    .side-card{
      border:1px solid var(--line);
      border-radius:var(--r-md);
      background:rgba(23,23,32,.74);
      box-shadow:var(--shadow-soft);
      padding:20px;
      overflow:hidden;
    }
    .side-card h2,.side-card h3{
      margin:0 0 12px;
      color:#fff;
      font-size:18px;
      font-weight:800;
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      gap:10px;
      color:#d9d2e5;
      font-size:14px;
      line-height:1.65;
    }
    .side-list li::before{
      content:"";
      width:7px;
      height:7px;
      margin-top:.72em;
      border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      flex:none;
    }
    .side-cta{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .mini-cover{
      margin:-20px -20px 16px;
      height:138px;
      position:relative;
      overflow:hidden;
    }
    .mini-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.82;
    }
    .mini-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent, rgba(23,23,32,.94));
    }
    .continue-section{
      padding:0 0 76px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:22px;
    }
    .section-title{
      margin:10px 0 0;
      color:#fff;
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:10px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr .92fr;
      gap:18px;
    }
    .related-card{
      min-height:220px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      border:1px solid var(--line);
      border-radius:var(--r-md);
      background:
        linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.018)),
        rgba(23,23,32,.78);
      padding:22px;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .related-card::before{
      content:"";
      position:absolute;
      inset:auto -50px -80px auto;
      width:180px;
      height:180px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,77,141,.18), transparent 66%);
      transition:transform .25s ease, opacity .25s ease;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,138,61,.25);
      box-shadow:0 18px 44px rgba(0,0,0,.34);
    }
    .related-card:hover::before{
      transform:scale(1.12);
      opacity:1;
    }
    .related-card.featured{
      background:
        linear-gradient(180deg, rgba(0,0,0,.1), rgba(12,12,18,.88)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      min-height:260px;
    }
    .related-card h3{
      margin:16px 0 8px;
      position:relative;
      z-index:1;
      color:#fff;
      font-size:21px;
      line-height:1.35;
      font-weight:800;
    }
    .related-card p{
      margin:0;
      position:relative;
      z-index:1;
      color:#d8d1df;
      font-size:14px;
      line-height:1.75;
    }
    .related-link{
      margin-top:22px;
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffbf8e;
      font-size:14px;
      font-weight:800;
    }
    .related-link::after{
      content:"→";
      transition:transform .2s ease;
    }
    .related-card:hover .related-link::after{transform:translateX(4px)}
    .cta-panel{
      margin:0 auto 76px;
      width:min(var(--container), calc(100% - 32px));
      border:1px solid rgba(255,138,61,.18);
      border-radius:var(--r-lg);
      background:
        linear-gradient(135deg, rgba(255,77,141,.2), rgba(255,138,61,.12)),
        linear-gradient(180deg, rgba(15,15,22,.94), rgba(15,15,22,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      right:-130px;
      bottom:-150px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,138,61,.22), transparent 68%);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-panel h2{
      margin:0;
      color:#fff;
      font-size:30px;
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .cta-panel p{
      margin:10px 0 0;
      color:#e4ddeb;
      max-width:700px;
      font-size:15px;
    }
    .cta-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      flex:none;
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(17,17,24,.68), rgba(8,8,11,.96));
      padding:46px 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(260px, .9fr);
      gap:34px;
      align-items:start;
    }
    .footer-brand p{
      margin:16px 0 0;
      max-width:690px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .copyright{
      margin-top:18px;
      color:#7f788f;
      font-size:13px;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
      justify-self:end;
      width:min(430px,100%);
    }
    .footer-links a{
      padding:11px 12px;
      border-radius:12px;
      color:#c9c2d8;
      border:1px solid var(--line);
      background:rgba(255,255,255,.025);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(255,138,61,.25);
      background:rgba(255,138,61,.07);
      transform:translateY(-1px);
    }
    @media (max-width:1100px){
      .article-head-card{grid-template-columns:1fr;gap:22px}
      .article-cover{min-height:260px}
      .article-cover img{min-height:260px}
      .reading-layout{grid-template-columns:minmax(0,1fr)}
      .article-aside{
        position:static;
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .related-grid{grid-template-columns:1fr 1fr}
      .related-card.featured{grid-column:1 / -1}
    }
    @media (max-width:900px){
      :root{--header-h:68px}
      .header-inner{min-height:var(--header-h)}
      .menu-toggle{display:inline-flex}
      .nav-panel{
        position:absolute;
        top:calc(100% + 10px);
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:14px;
        padding:16px;
        border:1px solid var(--line);
        border-radius:22px;
        background:rgba(17,17,24,.96);
        box-shadow:var(--shadow);
        backdrop-filter:blur(16px);
      }
      .nav-panel.open{display:flex}
      .site-nav{
        display:grid;
        grid-template-columns:1fr;
        gap:8px;
      }
      .site-nav a{
        border-color:var(--line);
        background:rgba(255,255,255,.025);
        border-radius:14px;
      }
      .header-actions{
        width:100%;
        justify-content:space-between;
      }
      .age-pill{white-space:normal}
      .article-hero{padding-top:34px}
      .section-head{
        display:block;
      }
      .cta-inner{
        display:block;
      }
      .cta-actions{
        margin-top:22px;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-links{
        justify-self:start;
      }
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px, var(--container))}
      .article-head-card{
        padding:20px;
        border-radius:24px;
      }
      .article-summary{font-size:15px}
      .article-actions .btn{
        width:100%;
      }
      .article-content{
        padding:26px 22px 32px;
        font-size:16px;
      }
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .article-top-note{padding:16px 18px}
      .article-aside{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
      .cta-panel{padding:24px}
      .cta-panel h2{font-size:25px}
      .cta-actions .btn{width:100%}
      .footer-links{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand span{font-size:16px;max-width:168px}
      .brand-mark{width:34px;height:34px;border-radius:11px}
      .brand-mark::before{
        left:13px;
        top:9px;
        border-left-width:12px;
        border-top-width:8px;
        border-bottom-width:8px;
      }
      .menu-toggle span{display:none}
      .header-actions{
        align-items:stretch;
        flex-direction:column;
      }
      h1{font-size:30px}
      .breadcrumb .current{max-width:260px}
      .article-cover,.article-cover img{min-height:220px}
      .cover-caption{
        left:14px;
        right:14px;
        bottom:14px;
      }
      .tag{font-size:11px}
      .article-meta{font-size:13px}
      .article-content table{
        display:block;
        overflow-x:auto;
        -webkit-overflow-scrolling:touch;
      }
    }

/* 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}