/* roulang page: index */
:root{
      --bg:#111013;
      --bg-2:#171116;
      --panel:#1d171d;
      --panel-2:#241b23;
      --panel-3:#2a2028;
      --primary:#e85d5a;
      --primary-2:#9b1c31;
      --primary-3:#ff7b74;
      --text:#f7efe7;
      --muted:#b8adb0;
      --muted-2:#8f8589;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(232,93,90,.38);
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --shadow-soft:0 16px 46px rgba(0,0,0,.28);
      --radius:24px;
      --radius-sm:16px;
      --radius-lg:34px;
      --container:1220px;
      --wide:1320px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 10%, rgba(155,28,49,.35), transparent 34%),
        radial-gradient(circle at 86% 0%, rgba(232,93,90,.16), transparent 30%),
        linear-gradient(180deg,#111013 0%,#171016 42%,#100e11 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.25;
      background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 75%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .wide{width:min(var(--wide),calc(100% - 48px));margin:0 auto}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    .age-strip{
      background:linear-gradient(90deg,rgba(155,28,49,.92),rgba(232,93,90,.74),rgba(155,28,49,.92));
      color:#fff;
      font-size:13px;
      letter-spacing:.02em;
      padding:8px 0;
      position:relative;
      z-index:30;
    }
    .age-strip .container{display:flex;align-items:center;justify-content:center;gap:10px;text-align:center}
    .age-dot{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16)}
    .site-header{
      position:sticky;
      top:0;
      z-index:25;
      background:rgba(17,16,19,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 28px rgba(232,93,90,.26);
      position:relative;
    }
    .logo-mark::before{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
      transform:translateX(2px);
    }
    .logo-text{font-size:18px;color:var(--text)}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
    }
    .desktop-nav a,.mobile-panel a{
      color:var(--muted);
      border:1px solid transparent;
      transition:.25s ease;
    }
    .desktop-nav a{
      padding:10px 13px;
      border-radius:999px;
      font-size:14px;
      line-height:1;
    }
    .desktop-nav a:hover,.desktop-nav a.active{
      color:#fff;
      background:rgba(255,255,255,.075);
      border-color:var(--line);
    }
    .nav-tools{display:flex;align-items:center;gap:12px}
    .search{
      display:flex;
      align-items:center;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      border-radius:999px;
      padding:5px;
      width:246px;
      transition:.25s ease;
    }
    .search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(232,93,90,.12)}
    .search input{
      width:100%;
      min-width:0;
      background:transparent;
      color:var(--text);
      border:0;
      outline:0;
      padding:8px 10px;
      font-size:14px;
    }
    .search input::placeholder{color:var(--muted-2)}
    .search button{
      border:0;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      transition:.25s ease;
    }
    .search button:hover{filter:brightness(1.08)}
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(232,93,90,.35);
      color:#ffd8d4;
      background:rgba(232,93,90,.09);
      font-weight:700;
      font-size:13px;
    }
    .menu-btn{
      display:none;
      width:44px;height:44px;
      border-radius:15px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:#fff;
      align-items:center;
      justify-content:center;
    }
    .menu-btn span,.menu-btn span::before,.menu-btn span::after{
      display:block;
      width:20px;height:2px;border-radius:2px;background:#fff;
      transition:.25s ease;
      content:"";
      position:relative;
    }
    .menu-btn span::before{position:absolute;top:-7px}
    .menu-btn span::after{position:absolute;top:7px}
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      padding:12px 0 20px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;
      min-height:46px;
      align-items:center;
      border-radius:16px;
      padding:0 14px;
      margin:6px 0;
      background:rgba(255,255,255,.035);
    }
    .mobile-panel a:hover,.mobile-panel a.active{color:#fff;background:rgba(232,93,90,.14);border-color:var(--line-strong)}
    .hero{
      position:relative;
      overflow:hidden;
      padding:76px 0 46px;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(17,16,19,.93) 0%,rgba(17,16,19,.72) 48%,rgba(17,16,19,.32) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.92;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      border-radius:50%;
      right:-160px;top:40px;
      background:radial-gradient(circle,rgba(232,93,90,.28),transparent 62%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(390px,.78fr);
      gap:46px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
      color:#ffd7d2;
      font-weight:700;
      font-size:13px;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(232,93,90,.16);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.04em;
      margin-bottom:20px;
      max-width:860px;
    }
    .hero-lead{
      color:#dfd4d5;
      font-size:17px;
      line-height:1.85;
      max-width:760px;
      margin-bottom:26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 26px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:.25s ease;
      line-height:1;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 34px rgba(232,93,90,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 44px rgba(232,93,90,.32)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border-color:var(--line);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.16);transform:translateY(-2px)}
    .btn:focus-visible,.desktop-nav a:focus-visible,.mobile-panel a:focus-visible,.card-link:focus-visible,.tag:focus-visible,.search button:focus-visible,.menu-btn:focus-visible{
      outline:3px solid rgba(232,93,90,.36);
      outline-offset:3px;
    }
    .hero-badges{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
      max-width:760px;
    }
    .mini-stat{
      padding:14px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(10px);
    }
    .mini-stat strong{display:block;color:#fff;font-size:18px;line-height:1.2}
    .mini-stat span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .visual-card{
      position:relative;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      padding:14px;
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      transform:rotate(1.2deg);
    }
    .visual-card figure{margin:0;position:relative;overflow:hidden;border-radius:28px;aspect-ratio:4/5;background:#241b23}
    .visual-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.95) contrast(1.03)}
    .visual-card figure::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 42%,rgba(17,16,19,.92) 100%);
    }
    .cover-caption{
      position:absolute;
      left:24px;right:24px;bottom:24px;
      z-index:2;
    }
    .cover-caption .badge{margin-bottom:10px}
    .cover-caption h2{font-size:24px;line-height:1.25;margin:0 0 6px}
    .cover-caption p{margin:0;color:#e7dcdd;font-size:14px}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .badge{
      padding:6px 10px;
      color:#ffdeda;
      background:rgba(155,28,49,.55);
      border:1px solid rgba(232,93,90,.32);
    }
    main{position:relative}
    .section{padding:82px 0}
    .section.compact{padding:56px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{max-width:720px}
    .section-title h2{
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.03em;
      margin:0 0 10px;
    }
    .section-title p{color:var(--muted);margin:0;font-size:16px}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.04);
    }
    .tag{
      min-height:42px;
      padding:10px 15px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      transition:.25s ease;
    }
    .tag:hover,.tag.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,93,90,.9),rgba(155,28,49,.9));
      border-color:rgba(232,93,90,.36);
      transform:translateY(-2px);
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-main,.feature-small,.info-card,.rule-card,.faq-item,.update-card,.cta-band{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
    }
    .feature-main{
      min-height:440px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      position:relative;
    }
    .feature-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,16,19,.08),rgba(17,16,19,.95))}
    .feature-main-content{position:absolute;left:28px;right:28px;bottom:28px;z-index:1}
    .feature-main h3{font-size:30px;line-height:1.2;margin:12px 0 10px}
    .feature-main p{color:#e2d9da;max-width:620px;margin-bottom:18px}
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-weight:800;
      transition:.25s ease;
    }
    .card-link .arrow{transition:.25s ease;color:var(--primary-3)}
    .card-link:hover .arrow{transform:translateX(4px)}
    .feature-side{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .feature-small{
      border-radius:var(--radius);
      padding:22px;
      position:relative;
      overflow:hidden;
      transition:.25s ease;
      min-height:208px;
    }
    .feature-small::before{
      content:"";
      position:absolute;
      right:-34px;top:-42px;
      width:120px;height:120px;border-radius:50%;
      background:rgba(232,93,90,.16);
    }
    .feature-small:hover,.info-card:hover,.update-card:hover,.rule-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .icon-pill{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(232,93,90,.13);
      border:1px solid rgba(232,93,90,.3);
      color:#ffd1cc;
      font-weight:900;
      margin-bottom:18px;
    }
    .feature-small h3{font-size:19px;margin-bottom:8px;position:relative}
    .feature-small p{color:var(--muted);font-size:14px;margin-bottom:16px;position:relative}
    .category-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .info-card{
      border-radius:var(--radius);
      overflow:hidden;
      transition:.25s ease;
    }
    .info-img{aspect-ratio:16/10;overflow:hidden;background:#201820}
    .info-img img{width:100%;height:100%;object-fit:cover;transition:.3s ease}
    .info-card:hover .info-img img{transform:scale(1.035)}
    .info-body{padding:20px}
    .info-body h3{font-size:19px;margin-bottom:8px}
    .info-body p{color:var(--muted);font-size:14px;margin-bottom:14px}
    .updates-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:22px;
      align-items:start;
    }
    .update-list{display:grid;gap:14px}
    .update-card{
      border-radius:22px;
      padding:20px;
      transition:.25s ease;
      position:relative;
      overflow:hidden;
    }
    .update-card::after{
      content:"›";
      position:absolute;
      right:20px;top:50%;
      transform:translateY(-50%);
      color:rgba(232,93,90,.45);
      font-size:30px;
      transition:.25s ease;
    }
    .update-card:hover::after{right:16px;color:var(--primary-3)}
    .update-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:9px;color:var(--muted-2);font-size:13px}
    .update-card h3{
      font-size:20px;
      line-height:1.35;
      margin:0 34px 8px 0;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-card p{
      color:var(--muted);
      font-size:14px;
      margin:0 34px 0 0;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .side-panel{
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      background:linear-gradient(180deg,rgba(42,32,40,.88),rgba(29,23,29,.88));
      position:sticky;
      top:100px;
    }
    .side-panel h3{font-size:20px;margin-bottom:12px}
    .side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
    .side-list li{display:flex;gap:10px;color:var(--muted);font-size:14px}
    .side-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:10px;flex:0 0 auto}
    .empty-card{
      border:1px dashed rgba(232,93,90,.38);
      border-radius:var(--radius);
      padding:32px;
      text-align:center;
      background:rgba(232,93,90,.055);
    }
    .empty-icon{width:54px;height:54px;border-radius:20px;background:rgba(232,93,90,.15);display:grid;place-items:center;margin:0 auto 14px;color:#ffd1cc;font-size:24px}
    .rules-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      counter-reset:step;
    }
    .rule-card{
      border-radius:var(--radius);
      padding:24px;
      transition:.25s ease;
      counter-increment:step;
    }
    .rule-card::before{
      content:counter(step,decimal-leading-zero);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:44px;height:44px;
      border-radius:16px;
      margin-bottom:18px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
    }
    .rule-card h3{font-size:19px;margin-bottom:8px}
    .rule-card p{color:var(--muted);font-size:14px;margin:0}
    .proof-band{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:28px;
      background:
        linear-gradient(90deg,rgba(155,28,49,.34),rgba(255,255,255,.035)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .proof-item{
      padding:20px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(17,16,19,.64);
      backdrop-filter:blur(10px);
    }
    .proof-item strong{font-size:22px;display:block;margin-bottom:6px}
    .proof-item span{color:var(--muted);font-size:14px}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .faq-item{
      border-radius:22px;
      padding:20px 22px;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      font-weight:800;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:26px;height:26px;
      border-radius:50%;
      display:grid;place-items:center;
      color:#fff;
      background:rgba(232,93,90,.18);
      flex:0 0 auto;
      transition:.25s ease;
    }
    .faq-item[open] summary::after{content:"−";background:rgba(232,93,90,.35)}
    .faq-item p{margin:14px 0 0;color:var(--muted);font-size:14px}
    .cta-band{
      border-radius:var(--radius-lg);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 86% 24%,rgba(232,93,90,.24),transparent 32%);
      pointer-events:none;
    }
    .cta-band h2{font-size:30px;line-height:1.25;margin-bottom:8px;position:relative}
    .cta-band p{color:var(--muted);margin:0;position:relative}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
    .site-footer{
      margin-top:60px;
      background:#0c0b0d;
      border-top:1px solid var(--line);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--primary-2),transparent);
    }
    .footer-grid{
      padding:46px 0 30px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
    }
    .footer-brand p{color:var(--muted);font-size:14px;margin:14px 0 0;max-width:460px}
    .footer-col h3{font-size:16px;margin:0 0 12px}
    .footer-col a{
      display:block;
      color:var(--muted);
      font-size:14px;
      padding:6px 0;
      transition:.25s ease;
    }
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      border-top:1px solid var(--line);
      padding:18px 0;
      color:var(--muted-2);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1080px){
      .desktop-nav,.search{display:none}
      .menu-btn{display:flex}
      .hero-grid{grid-template-columns:1fr;gap:34px}
      .visual-card{max-width:520px;transform:none}
      .hero-badges,.category-grid,.rules-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-layout,.updates-wrap{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .proof-grid{grid-template-columns:1fr}
    }
    @media (max-width:760px){
      .container,.wide{width:min(100% - 32px,var(--container))}
      .age-strip .container{font-size:12px;line-height:1.5}
      .nav-wrap{min-height:66px}
      .logo-text{font-size:16px}
      .hero{padding:52px 0 34px}
      .hero-lead{font-size:15px}
      .hero-actions .btn{width:100%}
      .hero-badges,.feature-side,.category-grid,.rules-grid,.faq-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section.compact{padding:42px 0}
      .section-head{display:block}
      .section-title p{font-size:15px}
      .feature-main{min-height:360px}
      .feature-main-content{left:20px;right:20px;bottom:20px}
      .feature-main h3{font-size:24px}
      .cta-band{grid-template-columns:1fr;padding:26px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin:6px 0}
    }
    @media (max-width:520px){
      .tag-row{padding:14px}
      .tag{width:100%;justify-content:center}
      .mini-stat{padding:12px}
      .visual-card{padding:10px;border-radius:26px}
      .cover-caption{left:18px;right:18px;bottom:18px}
      .update-card{padding:18px}
      .update-card h3,.update-card p{margin-right:22px}
    }

/* roulang page: article */
:root{
      --bg:#111013;
      --bg-soft:#171217;
      --bg-card:#1f171e;
      --bg-card-2:#261b24;
      --wine:#9B1C31;
      --coral:#E85D5A;
      --coral-2:#ff7d76;
      --cream:#F7EFE7;
      --muted:#B8ADB0;
      --muted-2:#8f8388;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(232,93,90,.36);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --shadow-hover:0 26px 80px rgba(155,28,49,.26);
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-pill:999px;
      --container:1200px;
      --trans:220ms ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:var(--font);
      color:var(--cream);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 0%, rgba(232,93,90,.18), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(155,28,49,.26), transparent 38%),
        linear-gradient(180deg,#111013 0%,#160f14 48%,#0d0c0e 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.15;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(232,93,90,.42);color:#fff}
    .container{width:min(100% - 48px,var(--container));margin-inline:auto}
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid var(--line);
      background:rgba(17,16,19,.78);
      backdrop-filter:blur(18px);
      transition:background var(--trans), box-shadow var(--trans);
    }
    .site-header.scrolled{
      background:rgba(17,16,19,.94);
      box-shadow:0 12px 42px rgba(0,0,0,.36);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo-mark{
      width:36px;
      height:36px;
      border-radius:14px;
      position:relative;
      background:linear-gradient(135deg,var(--coral),var(--wine));
      box-shadow:0 12px 34px rgba(232,93,90,.26);
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      left:14px;
      top:10px;
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:12px solid rgba(255,255,255,.9);
    }
    .logo-text{font-size:18px;color:#fff}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      border:1px solid rgba(255,255,255,.06);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.035);
    }
    .desktop-nav a{
      padding:10px 14px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-size:14px;
      transition:color var(--trans),background var(--trans),transform var(--trans);
    }
    .desktop-nav a:hover,
    .desktop-nav a:focus-visible{
      color:#fff;
      background:rgba(232,93,90,.14);
      outline:none;
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,93,90,.92),rgba(155,28,49,.92));
      box-shadow:0 8px 24px rgba(155,28,49,.24);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .search{
      display:flex;
      align-items:center;
      gap:6px;
      padding:5px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.045);
    }
    .search input{
      width:168px;
      height:36px;
      border:0;
      outline:none;
      color:#fff;
      background:transparent;
      padding:0 8px 0 12px;
    }
    .search input::placeholder{color:rgba(247,239,231,.55)}
    .search:focus-within{
      border-color:rgba(232,93,90,.7);
      box-shadow:0 0 0 4px rgba(232,93,90,.12);
    }
    .search button{
      height:34px;
      padding:0 14px;
      border-radius:var(--radius-pill);
      color:#fff;
      background:linear-gradient(135deg,var(--coral),var(--wine));
      transition:transform var(--trans),filter var(--trans),box-shadow var(--trans);
    }
    .search button:hover,
    .search button:focus-visible{
      transform:translateY(-1px);
      filter:brightness(1.08);
      box-shadow:0 10px 28px rgba(232,93,90,.25);
      outline:none;
    }
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:50%;
      border:1px solid rgba(232,93,90,.44);
      color:#fff;
      background:rgba(155,28,49,.35);
      font-weight:800;
      font-size:13px;
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
      position:relative;
    }
    .menu-btn span,
    .menu-btn::before,
    .menu-btn::after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      height:2px;
      border-radius:2px;
      background:#fff;
      transition:transform var(--trans),opacity var(--trans),top var(--trans);
    }
    .menu-btn span{top:21px}
    .menu-btn::before{top:14px}
    .menu-btn::after{top:28px}
    .menu-btn[aria-expanded="true"] span{opacity:0}
    .menu-btn[aria-expanded="true"]::before{top:21px;transform:rotate(45deg)}
    .menu-btn[aria-expanded="true"]::after{top:21px;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
      gap:10px;
    }
    .mobile-panel a{
      display:block;
      min-height:46px;
      padding:11px 14px;
      border-radius:16px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .mobile-panel a.active,
    .mobile-panel a:hover{
      color:#fff;
      border-color:var(--line-strong);
      background:rgba(232,93,90,.13);
    }

    .article-hero{
      position:relative;
      padding:58px 0 34px;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-2;
      background:
        linear-gradient(90deg,rgba(17,16,19,.96),rgba(17,16,19,.70),rgba(17,16,19,.95)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity:.72;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(232,93,90,.72),transparent);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:24px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:rgba(247,239,231,.78);
      transition:color var(--trans);
    }
    .breadcrumb a:hover,
    .breadcrumb a:focus-visible{color:var(--coral-2);outline:none}
    .breadcrumb .current{color:var(--coral-2)}
    .article-hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:36px;
      align-items:end;
    }
    .article-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 12px;
      margin-bottom:16px;
      border-radius:var(--radius-pill);
      color:#fff;
      background:rgba(232,93,90,.14);
      border:1px solid rgba(232,93,90,.34);
      font-size:13px;
      font-weight:700;
    }
    .article-kicker::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--coral);
      box-shadow:0 0 0 6px rgba(232,93,90,.12);
    }
    h1{
      max-width:880px;
      font-size:clamp(32px,5vw,54px);
      line-height:1.12;
      letter-spacing:-.04em;
      color:#fff;
      margin-bottom:18px;
    }
    .hero-summary{
      max-width:820px;
      color:rgba(247,239,231,.82);
      font-size:17px;
      line-height:1.85;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:36px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      font-size:13px;
    }
    .hero-cover{
      position:relative;
      min-height:260px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      background:#21161d;
    }
    .hero-cover img{
      width:100%;
      height:100%;
      min-height:260px;
      object-fit:cover;
      filter:saturate(.9) contrast(1.05);
      transition:transform .6s ease;
    }
    .hero-cover:hover img{transform:scale(1.04)}
    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 20%,rgba(17,16,19,.88));
    }
    .cover-note{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      padding:14px;
      border-radius:18px;
      background:rgba(17,16,19,.62);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(12px);
      color:rgba(247,239,231,.86);
      font-size:14px;
    }

    main{padding:54px 0 0}
    .age-notice{
      margin-bottom:28px;
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:24px;
      background:linear-gradient(135deg,rgba(155,28,49,.24),rgba(255,255,255,.045));
      border:1px solid rgba(232,93,90,.28);
      box-shadow:0 16px 42px rgba(0,0,0,.20);
    }
    .notice-icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--coral),var(--wine));
      font-weight:900;
    }
    .age-notice strong{display:block;color:#fff;margin-bottom:2px}
    .age-notice p{color:var(--muted);font-size:14px;line-height:1.7}
    .notice-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      background:rgba(255,255,255,.06);
      transition:background var(--trans),border-color var(--trans),transform var(--trans);
      white-space:nowrap;
    }
    .notice-link:hover,
    .notice-link:focus-visible{
      background:rgba(232,93,90,.16);
      border-color:rgba(232,93,90,.48);
      transform:translateY(-1px);
      outline:none;
    }

    .reader-layout{
      display:grid;
      grid-template-columns:minmax(0,800px) minmax(280px,1fr);
      gap:34px;
      align-items:start;
    }
    .article-card,
    .sidebar-card,
    .related-card,
    .return-panel{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(31,23,30,.92),rgba(20,16,19,.94));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .article-card{
      padding:34px;
      overflow:hidden;
    }
    .article-content{
      color:rgba(247,239,231,.88);
      font-size:16px;
      line-height:1.9;
    }
    .article-content h2{
      margin:2.1em 0 .72em;
      font-size:28px;
      line-height:1.25;
      color:#fff;
      letter-spacing:-.025em;
    }
    .article-content h3{
      margin:1.75em 0 .55em;
      font-size:21px;
      color:#fff;
      line-height:1.35;
    }
    .article-content p{margin:0 0 1.08em}
    .article-content a{
      color:var(--coral-2);
      border-bottom:1px solid rgba(232,93,90,.45);
      transition:color var(--trans),background var(--trans),border-color var(--trans);
    }
    .article-content a:hover,
    .article-content a:focus-visible{
      color:#fff;
      background:rgba(232,93,90,.14);
      border-color:rgba(232,93,90,.72);
      outline:none;
    }
    .article-content ul,
    .article-content ol{
      margin:1em 0 1.2em;
      padding-left:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .article-content li{
      position:relative;
      padding:12px 14px 12px 42px;
      border:1px solid rgba(255,255,255,.075);
      border-radius:18px;
      background:rgba(255,255,255,.035);
    }
    .article-content ul li::before{
      content:"";
      position:absolute;
      left:17px;
      top:22px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--coral);
      box-shadow:0 0 0 5px rgba(232,93,90,.12);
    }
    .article-content ol{counter-reset:item}
    .article-content ol li{counter-increment:item}
    .article-content ol li::before{
      content:counter(item);
      position:absolute;
      left:13px;
      top:12px;
      width:24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--coral),var(--wine));
      font-size:12px;
      font-weight:800;
    }
    .article-content blockquote{
      margin:1.6em 0;
      padding:18px 20px;
      border-left:4px solid var(--coral);
      border-radius:0 18px 18px 0;
      background:rgba(155,28,49,.16);
      color:rgba(247,239,231,.9);
    }
    .article-content img{
      width:100%;
      height:auto;
      margin:24px 0;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:0 16px 42px rgba(0,0,0,.28);
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:22px 0;
      overflow:hidden;
      border-radius:18px;
      display:block;
      max-width:100%;
      overflow-x:auto;
      border:1px solid var(--line);
    }
    .article-content th,
    .article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      min-width:130px;
    }
    .article-content th{
      color:#fff;
      background:rgba(155,28,49,.32);
      text-align:left;
    }
    .article-empty{
      min-height:360px;
      display:grid;
      place-items:center;
      text-align:center;
      padding:36px 20px;
    }
    .article-empty-icon{
      width:72px;
      height:72px;
      margin:0 auto 18px;
      border-radius:24px;
      display:grid;
      place-items:center;
      background:rgba(232,93,90,.13);
      border:1px solid rgba(232,93,90,.3);
      color:var(--coral-2);
      font-size:30px;
    }
    .article-empty h2{
      color:#fff;
      font-size:26px;
      margin-bottom:10px;
    }
    .article-empty p{
      color:var(--muted);
      margin-bottom:22px;
    }

    .sidebar{
      position:sticky;
      top:102px;
      display:grid;
      gap:18px;
    }
    .sidebar-card{
      padding:22px;
    }
    .sidebar-card h2,
    .sidebar-card h3{
      font-size:18px;
      color:#fff;
      margin-bottom:14px;
      line-height:1.35;
    }
    .sidebar-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .side-cover{
      margin:-6px -6px 16px;
      border-radius:22px;
      overflow:hidden;
      aspect-ratio:16/10;
      border:1px solid rgba(255,255,255,.08);
      background:#21161d;
    }
    .side-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .sidebar-card:hover .side-cover img{transform:scale(1.04)}
    .category-list,
    .recommend-list{
      display:grid;
      gap:10px;
    }
    .category-list a,
    .recommend-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      min-height:46px;
      padding:12px 13px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.07);
      color:rgba(247,239,231,.84);
      transition:transform var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
    }
    .category-list a::after,
    .recommend-item::after{
      content:"›";
      color:var(--coral-2);
      font-size:20px;
      line-height:1;
      transition:transform var(--trans);
    }
    .category-list a:hover,
    .category-list a:focus-visible,
    .recommend-item:hover,
    .recommend-item:focus-visible{
      transform:translateY(-2px);
      background:rgba(232,93,90,.12);
      border-color:rgba(232,93,90,.34);
      color:#fff;
      outline:none;
    }
    .category-list a:hover::after,
    .recommend-item:hover::after{transform:translateX(3px)}
    .recommend-text strong{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      color:#fff;
      font-size:14px;
      line-height:1.45;
      margin-bottom:4px;
    }
    .recommend-text span{
      color:var(--muted-2);
      font-size:12px;
    }
    .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:var(--radius-pill);
      font-weight:800;
      transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),filter var(--trans);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--coral),var(--wine));
      box-shadow:0 14px 34px rgba(232,93,90,.22);
    }
    .btn-secondary{
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.055);
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      filter:brightness(1.08);
      box-shadow:0 18px 44px rgba(232,93,90,.32);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(232,93,90,.46);
      background:rgba(232,93,90,.13);
    }

    .below-article{
      margin-top:30px;
      display:grid;
      gap:24px;
    }
    .return-panel{
      padding:24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .return-panel h2{
      font-size:22px;
      color:#fff;
      margin-bottom:6px;
    }
    .return-panel p{
      color:var(--muted);
      font-size:14px;
    }
    .related-section{
      padding:72px 0 82px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:20px;
      margin-bottom:24px;
    }
    .section-head h2{
      color:#fff;
      font-size:30px;
      line-height:1.25;
      letter-spacing:-.025em;
    }
    .section-head p{
      max-width:560px;
      color:var(--muted);
      font-size:15px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      overflow:hidden;
      transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(232,93,90,.36);
      box-shadow:var(--shadow-hover);
    }
    .related-img{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#21161d;
    }
    .related-img img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s ease;
    }
    .related-card:hover .related-img img{transform:scale(1.04)}
    .related-img::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(17,16,19,.84));
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 10px;
      border-radius:var(--radius-pill);
      font-size:12px;
      color:#fff;
      background:rgba(155,28,49,.72);
      border:1px solid rgba(232,93,90,.28);
    }
    .related-img .badge{
      position:absolute;
      left:14px;
      bottom:14px;
      z-index:2;
    }
    .related-body{
      padding:18px;
    }
    .related-body h3{
      color:#fff;
      font-size:17px;
      line-height:1.45;
      margin-bottom:8px;
    }
    .related-body p{
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:14px;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--coral-2);
      font-weight:800;
      font-size:14px;
    }
    .text-link::after{
      content:"→";
      transition:transform var(--trans);
    }
    .text-link:hover::after{transform:translateX(4px)}
    .faq-strip{
      padding:34px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(232,93,90,.2);
      background:
        linear-gradient(135deg,rgba(155,28,49,.24),rgba(255,255,255,.04)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      overflow:hidden;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:20px;
    }
    details{
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      background:rgba(17,16,19,.58);
      overflow:hidden;
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding:16px 18px;
      color:#fff;
      font-weight:800;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      color:var(--coral-2);
      font-size:22px;
      line-height:1;
      transition:transform var(--trans);
    }
    details[open] summary::after{transform:rotate(45deg)}
    details p{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    summary:focus-visible{
      outline:2px solid rgba(232,93,90,.75);
      outline-offset:-2px;
    }
    .cta{
      margin:0 0 82px;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(232,93,90,.28);
      background:
        radial-gradient(circle at 85% 20%,rgba(232,93,90,.23),transparent 34%),
        linear-gradient(135deg,rgba(38,27,36,.96),rgba(17,16,19,.96));
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta h2{
      font-size:28px;
      color:#fff;
      line-height:1.25;
      margin-bottom:8px;
    }
    .cta p{
      color:var(--muted);
      max-width:680px;
      font-size:15px;
    }

    .site-footer{
      background:#0b0a0c;
      border-top:1px solid rgba(232,93,90,.18);
      position:relative;
      padding:54px 0 24px;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--coral),var(--wine),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .8fr;
      gap:34px;
      padding-bottom:34px;
    }
    .footer-brand p{
      max-width:520px;
      margin-top:16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-col h3{
      color:#fff;
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-col a{
      display:block;
      color:var(--muted);
      font-size:14px;
      padding:5px 0;
      transition:color var(--trans),transform var(--trans);
    }
    .footer-col a:hover,
    .footer-col a:focus-visible{
      color:var(--coral-2);
      transform:translateX(3px);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1100px){
      .desktop-nav{display:none}
      .menu-btn{display:inline-block}
      .mobile-panel.open{display:grid}
      .search input{width:132px}
      .article-hero-grid{grid-template-columns:1fr}
      .hero-cover{max-width:520px}
      .reader-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .sidebar-card:first-child{grid-column:1/-1}
      .related-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{min-height:68px}
      .search{display:none}
      .article-hero{padding:38px 0 28px}
      .article-hero-grid{gap:24px}
      .hero-summary{font-size:15px}
      .article-meta{gap:8px}
      .age-notice{grid-template-columns:1fr}
      .notice-icon{width:44px;height:44px}
      .notice-link{width:100%}
      main{padding-top:34px}
      .article-card{padding:22px}
      .article-content{font-size:15px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:19px}
      .sidebar{grid-template-columns:1fr}
      .return-panel{align-items:flex-start;flex-direction:column}
      .section-head{display:block}
      .section-head h2{font-size:26px;margin-bottom:8px}
      .related-grid{grid-template-columns:1fr}
      .faq-strip{padding:22px}
      .faq-grid{grid-template-columns:1fr}
      .cta{padding:24px;align-items:flex-start;flex-direction:column}
      .cta h2{font-size:24px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .logo-text{font-size:16px}
      .age-badge{width:38px;height:38px}
      h1{font-size:31px}
      .breadcrumb{font-size:13px}
      .hero-cover,
      .hero-cover img{min-height:220px}
      .article-card{border-radius:22px;padding:18px}
      .article-content li{padding-left:38px}
      .btn-row,.cta .btn-row{width:100%}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#111013;
      --bg-2:#171217;
      --panel:#1d171d;
      --panel-2:#261d25;
      --card:#211920;
      --muted-card:#181316;
      --primary:#e85d5a;
      --primary-2:#9b1c31;
      --primary-3:#ff7b73;
      --text:#f7efe7;
      --text-soft:#d7cbc9;
      --muted:#b8adb0;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(232,93,90,.38);
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --shadow-soft:0 16px 42px rgba(0,0,0,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1220px;
      --transition:.22s ease;
      --focus:0 0 0 4px rgba(232,93,90,.22);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%,rgba(155,28,49,.28),transparent 34%),
        radial-gradient(circle at 92% 18%,rgba(232,93,90,.18),transparent 30%),
        linear-gradient(180deg,#100f12 0%,#171016 52%,#0f0d10 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,1),rgba(0,0,0,.28));
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(100% - 48px,var(--container));margin-inline:auto}
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      border-bottom:1px solid var(--line);
      background:rgba(17,16,19,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      position:relative;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 30px rgba(232,93,90,.25);
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      left:15px;
      top:11px;
      border-left:12px solid #fff5ef;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 6px rgba(0,0,0,.25));
    }
    .logo-text{font-size:18px;color:var(--text)}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.035);
    }
    .desktop-nav a{
      padding:9px 14px;
      border-radius:var(--radius-pill);
      color:var(--text-soft);
      font-size:14px;
      transition:background var(--transition),color var(--transition),transform var(--transition);
    }
    .desktop-nav a:hover,
    .desktop-nav a:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.08);
      outline:none;
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,93,90,.95),rgba(155,28,49,.96));
      box-shadow:0 10px 22px rgba(155,28,49,.25);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search{
      display:flex;
      align-items:center;
      gap:7px;
      padding:5px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      background:rgba(0,0,0,.22);
    }
    .search input{
      width:168px;
      min-height:34px;
      padding:0 10px;
      color:var(--text);
      border:0;
      outline:0;
      background:transparent;
    }
    .search input::placeholder{color:rgba(216,203,201,.62)}
    .search:focus-within{box-shadow:var(--focus);border-color:var(--line-strong)}
    .search button{
      min-height:34px;
      padding:0 14px;
      border-radius:var(--radius-pill);
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      transition:transform var(--transition),filter var(--transition),box-shadow var(--transition);
    }
    .search button:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 10px 24px rgba(232,93,90,.25)}
    .search button:focus-visible{outline:none;box-shadow:var(--focus)}
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:42px;
      height:42px;
      border:1px solid rgba(232,93,90,.45);
      border-radius:50%;
      color:#fff;
      font-weight:800;
      background:rgba(155,28,49,.36);
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .menu-btn span,
    .menu-btn span::before,
    .menu-btn span::after{
      display:block;
      width:18px;
      height:2px;
      margin:auto;
      border-radius:999px;
      background:#fff;
      transition:var(--transition);
      content:"";
    }
    .menu-btn span::before{transform:translateY(-7px)}
    .menu-btn span::after{transform:translateY(5px)}
    .menu-btn[aria-expanded="true"] span{background:transparent}
    .menu-btn[aria-expanded="true"] span::before{transform:rotate(45deg)}
    .menu-btn[aria-expanded="true"] span::after{transform:translateY(-2px) rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel a{
      display:block;
      min-height:46px;
      padding:11px 14px;
      border-radius:14px;
      color:var(--text-soft);
      transition:var(--transition);
    }
    .mobile-panel a:hover,
    .mobile-panel a.active{background:rgba(232,93,90,.13);color:#fff}

    .age-strip{
      border-bottom:1px solid var(--line);
      background:linear-gradient(90deg,rgba(155,28,49,.38),rgba(232,93,90,.1),rgba(255,255,255,.03));
    }
    .age-strip .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-block:10px;
      color:var(--text-soft);
      font-size:13px;
    }
    .age-strip strong{color:#fff}
    .age-strip a{
      color:#fff;
      border-bottom:1px solid rgba(232,93,90,.75);
    }

    main{overflow:hidden}
    .category-hero{
      position:relative;
      padding:88px 0 62px;
    }
    .category-hero::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-2;
      background:
        linear-gradient(90deg,rgba(17,16,19,.82),rgba(17,16,19,.55)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.76;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height:170px;
      z-index:-1;
      background:linear-gradient(180deg,transparent,var(--bg));
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      align-items:center;
      gap:48px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      width:max-content;
      max-width:100%;
      padding:8px 13px;
      border:1px solid rgba(232,93,90,.32);
      border-radius:var(--radius-pill);
      color:#ffe2df;
      background:rgba(155,28,49,.24);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(232,93,90,.12);
    }
    h1{
      max-width:820px;
      margin-top:20px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
    }
    .hero-lead{
      max-width:720px;
      margin-top:22px;
      color:var(--text-soft);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 19px;
      border-radius:var(--radius-pill);
      font-weight:800;
      line-height:1;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),filter var(--transition);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 18px 34px rgba(155,28,49,.32);
    }
    .btn-secondary{
      color:#fff;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 22px 42px rgba(232,93,90,.28)}
    .btn-secondary:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2)}
    .btn:focus-visible{outline:none;box-shadow:var(--focus)}

    .hero-visual{
      position:relative;
      min-height:430px;
    }
    .cover-stack{
      position:absolute;
      inset:0;
    }
    .cover-card{
      position:absolute;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow);
      background:var(--panel);
    }
    .cover-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .6s ease;
    }
    .cover-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.72));
    }
    .cover-card:hover img{transform:scale(1.035)}
    .cover-main{
      width:74%;
      height:360px;
      right:0;
      top:16px;
    }
    .cover-sub{
      width:46%;
      height:215px;
      left:0;
      bottom:8px;
      transform:rotate(-3deg);
      border-color:rgba(232,93,90,.28);
    }
    .index-note{
      position:absolute;
      right:18px;
      bottom:24px;
      z-index:2;
      width:min(300px,70%);
      padding:18px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      background:rgba(18,14,17,.78);
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow-soft);
    }
    .index-note strong{display:block;font-size:18px}
    .index-note span{display:block;margin-top:5px;color:var(--muted);font-size:13px}

    .section{
      padding:78px 0;
      position:relative;
    }
    .section-sm{padding:56px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary-3);
      font-weight:800;
      font-size:13px;
      letter-spacing:.08em;
    }
    h2{
      margin-top:8px;
      font-size:clamp(26px,3vw,36px);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-desc{
      max-width:590px;
      color:var(--text-soft);
      font-size:15px;
    }

    .filter-panel{
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:9px 15px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-pill);
      color:var(--text-soft);
      background:rgba(0,0,0,.18);
      transition:var(--transition);
    }
    .tag:hover,
    .tag:focus-visible,
    .tag.active{
      color:#fff;
      border-color:rgba(232,93,90,.46);
      background:linear-gradient(135deg,rgba(232,93,90,.34),rgba(155,28,49,.28));
      outline:none;
      transform:translateY(-1px);
    }
    .filter-helper{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:18px;
    }
    .mini-stat{
      padding:16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(0,0,0,.15);
    }
    .mini-stat b{display:block;color:#fff;font-size:17px}
    .mini-stat span{display:block;margin-top:3px;color:var(--muted);font-size:13px}

    .feature-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
    }
    .feature-large,
    .feature-side-card,
    .guide-card,
    .faq-item,
    .safe-card{
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
    }
    .feature-large{
      overflow:hidden;
      min-height:520px;
      border-radius:var(--radius-xl);
    }
    .feature-large:hover,
    .feature-side-card:hover,
    .guide-card:hover,
    .safe-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .feature-image{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#231821;
    }
    .feature-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:.55s ease;
    }
    .feature-large:hover .feature-image img{transform:scale(1.035)}
    .feature-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.62));
    }
    .badge{
      display:inline-flex;
      align-items:center;
      width:max-content;
      padding:6px 10px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(232,93,90,.38);
      color:#ffe5e2;
      background:rgba(155,28,49,.33);
      font-size:12px;
      font-weight:800;
    }
    .feature-image .badge{
      position:absolute;
      left:18px;
      bottom:18px;
      z-index:2;
    }
    .feature-body{padding:26px}
    .feature-body h3{font-size:25px;line-height:1.25}
    .feature-body p{margin-top:12px;color:var(--text-soft)}
    .check-list{
      display:grid;
      gap:10px;
      margin-top:20px;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--text-soft);
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;
      height:22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:#fff;
      background:rgba(232,93,90,.34);
      line-height:1;
      margin-top:3px;
    }
    .feature-side{
      display:grid;
      gap:18px;
    }
    .feature-side-card{
      display:grid;
      grid-template-columns:104px 1fr;
      gap:16px;
      align-items:center;
      padding:14px;
      border-radius:22px;
    }
    .side-thumb{
      width:104px;
      aspect-ratio:1/1;
      overflow:hidden;
      border-radius:18px;
      background:#2a2028;
    }
    .side-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:.45s ease;
    }
    .feature-side-card:hover img{transform:scale(1.05)}
    .side-content h3{font-size:17px;line-height:1.35}
    .side-content p{
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }

    .updates-board{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:22px;
      align-items:stretch;
    }
    .update-summary{
      padding:28px;
      border:1px solid var(--line-strong);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(155,28,49,.34),rgba(17,16,19,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .update-summary p{margin-top:12px;color:var(--text-soft)}
    .update-summary .btn{align-self:flex-start;margin-top:28px}
    .update-list{
      display:grid;
      gap:14px;
    }
    .update-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      transition:var(--transition);
    }
    .update-item:hover{
      transform:translateX(4px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.065);
    }
    .update-no{
      width:42px;
      height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,rgba(232,93,90,.85),rgba(155,28,49,.8));
    }
    .update-text h3{font-size:17px}
    .update-text p{color:var(--muted);font-size:13px;margin-top:4px}
    .arrow{
      color:var(--primary-3);
      font-size:22px;
      transition:var(--transition);
    }
    .update-item:hover .arrow{transform:translateX(4px)}

    .guide-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:step;
    }
    .guide-card{
      counter-increment:step;
      padding:22px;
      border-radius:var(--radius-lg);
      position:relative;
      overflow:hidden;
    }
    .guide-card::before{
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      margin-bottom:18px;
      border-radius:14px;
      color:#fff;
      font-weight:900;
      background:rgba(232,93,90,.28);
      border:1px solid rgba(232,93,90,.38);
    }
    .guide-card h3{font-size:18px}
    .guide-card p{margin-top:8px;color:var(--text-soft);font-size:14px}

    .safe-area{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .safe-card{
      padding:26px;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(42,32,40,.88),rgba(24,19,22,.88));
    }
    .safe-card h3{font-size:22px}
    .safe-card p{margin-top:10px;color:var(--text-soft)}
    .safe-card ul{
      margin-top:18px;
      display:grid;
      gap:10px;
      list-style:none;
    }
    .safe-card li{
      padding-left:18px;
      position:relative;
      color:var(--muted);
    }
    .safe-card li::before{
      content:"";
      position:absolute;
      left:0;
      top:.85em;
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--primary);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      border-radius:22px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
    }
    .faq-q{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 20px;
      color:#fff;
      text-align:left;
      background:transparent;
    }
    .faq-q span{font-weight:800}
    .faq-q i{
      width:28px;
      height:28px;
      flex:0 0 28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:#fff;
      font-style:normal;
      background:rgba(232,93,90,.22);
      transition:var(--transition);
    }
    .faq-q:hover i{background:rgba(232,93,90,.4)}
    .faq-q:focus-visible{outline:none;box-shadow:var(--focus)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-a p{
      padding:0 20px 20px;
      color:var(--text-soft);
      font-size:14px;
    }
    .faq-item.open{
      border-color:var(--line-strong);
    }
    .faq-item.open .faq-a{max-height:180px}
    .faq-item.open .faq-q i{transform:rotate(45deg);background:linear-gradient(135deg,var(--primary),var(--primary-2))}

    .cta-band{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(232,93,90,.38);
      background:
        linear-gradient(135deg,rgba(232,93,90,.18),rgba(155,28,49,.24)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-band::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(17,16,19,.88),rgba(17,16,19,.46));
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-inner h2{margin:0}
    .cta-inner p{max-width:680px;margin-top:10px;color:var(--text-soft)}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

    .site-footer{
      margin-top:40px;
      padding:54px 0 24px;
      border-top:1px solid var(--line);
      background:#0c0b0d;
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--primary-2),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .9fr;
      gap:34px;
    }
    .footer-brand p{
      max-width:520px;
      margin-top:16px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-col h3{
      margin-bottom:14px;
      color:#fff;
      font-size:15px;
    }
    .footer-col a{
      display:block;
      width:max-content;
      max-width:100%;
      padding:5px 0;
      color:var(--muted);
      font-size:14px;
      transition:var(--transition);
    }
    .footer-col a:hover,
    .footer-col a:focus-visible{
      color:#fff;
      outline:none;
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:rgba(216,203,201,.72);
      font-size:13px;
    }

    @media (max-width:1100px){
      .desktop-nav{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel.show{display:block}
      .search input{width:140px}
      .hero-grid,
      .feature-grid,
      .updates-board{grid-template-columns:1fr}
      .hero-visual{min-height:390px}
      .guide-wrap{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:820px){
      .container{width:min(100% - 36px,var(--container))}
      .nav-wrap{min-height:68px}
      .search{display:none}
      .age-strip .container{align-items:flex-start;flex-direction:column}
      .category-hero{padding:62px 0 42px}
      .hero-grid{gap:28px}
      .hero-visual{min-height:330px}
      .cover-main{width:82%;height:292px}
      .cover-sub{width:50%;height:178px}
      .index-note{right:8px;bottom:10px;width:76%}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .filter-helper,
      .safe-area,
      .faq-grid,
      .footer-grid{grid-template-columns:1fr}
      .feature-side-card{grid-template-columns:88px 1fr}
      .side-thumb{width:88px}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:560px){
      .container{width:min(100% - 28px,var(--container))}
      h1{font-size:32px}
      .hero-lead{font-size:15px}
      .hero-actions .btn,
      .cta-actions .btn{width:100%}
      .hero-visual{min-height:280px}
      .cover-main{height:244px;border-radius:24px}
      .cover-sub{display:none}
      .index-note{width:88%;padding:14px}
      .tag-row{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}
      .tag{white-space:nowrap}
      .feature-large{min-height:auto}
      .feature-body{padding:20px}
      .feature-body h3{font-size:21px}
      .feature-side-card{grid-template-columns:1fr}
      .side-thumb{width:100%;aspect-ratio:16/9}
      .update-item{grid-template-columns:auto 1fr;padding:15px}
      .update-item .arrow{display:none}
      .guide-wrap{grid-template-columns:1fr}
      .cta-band{padding:24px}
    }

/* roulang page: category2 */
:root{
      --bg:#111013;
      --bg-deep:#09080a;
      --panel:#181317;
      --panel-2:#211820;
      --panel-3:#2a2028;
      --primary:#e85d5a;
      --primary-2:#9b1c31;
      --primary-soft:rgba(232,93,90,.16);
      --text:#f7efe7;
      --muted:#b8adb0;
      --muted-2:#8f8589;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(232,93,90,.38);
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --shadow-hover:0 28px 85px rgba(0,0,0,.56);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(155,28,49,.42), transparent 34%),
        radial-gradient(circle at 92% 22%, rgba(232,93,90,.18), transparent 30%),
        linear-gradient(180deg,#151015 0%,#111013 42%,#0a090b 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.12));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(100% - 48px,var(--container));margin-inline:auto}
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(12,10,12,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      font-weight:850;
      letter-spacing:.02em;
    }
    .logo-mark{
      width:38px;height:38px;border-radius:14px;
      background:
        radial-gradient(circle at 68% 32%,#fff4 0 10%,transparent 11%),
        linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 34px rgba(232,93,90,.28);
      position:relative;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      left:15px;top:11px;
      border-left:10px solid #fff3ef;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
      filter:drop-shadow(0 3px 8px rgba(0,0,0,.26));
    }
    .logo-text{font-size:19px;color:var(--text);white-space:nowrap}
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1 1 auto;
    }
    .desktop-nav a,.mobile-panel a{
      color:var(--muted);
      border-radius:999px;
      transition:.22s ease;
      position:relative;
    }
    .desktop-nav a{
      padding:9px 13px;
      font-size:14px;
      white-space:nowrap;
    }
    .desktop-nav a:hover,.desktop-nav a.active{
      color:var(--text);
      background:rgba(255,255,255,.07);
    }
    .desktop-nav a.active{
      box-shadow:inset 0 0 0 1px rgba(232,93,90,.26);
    }
    .nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .search{
      width:252px;
      height:42px;
      display:flex;
      align-items:center;
      gap:6px;
      padding:4px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.045);
      transition:.2s ease;
    }
    .search:focus-within{
      border-color:var(--line-strong);
      box-shadow:0 0 0 4px rgba(232,93,90,.11);
    }
    .search input{
      min-width:0;
      flex:1;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      padding:0 8px 0 12px;
      font-size:14px;
    }
    .search input::placeholder{color:var(--muted-2)}
    .search button{
      border:0;
      color:white;
      padding:7px 13px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      transition:.2s ease;
    }
    .search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:42px;height:42px;
      border:1px solid rgba(232,93,90,.35);
      border-radius:999px;
      color:#fff4ed;
      background:rgba(232,93,90,.12);
      font-weight:800;
      font-size:13px;
    }
    .menu-btn{
      display:none;
      width:44px;height:44px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--text);
      align-items:center;
      justify-content:center;
    }
    .menu-btn span,.menu-btn span::before,.menu-btn span::after{
      content:"";
      display:block;
      width:18px;height:2px;
      border-radius:2px;
      background:var(--text);
      transition:.2s ease;
    }
    .menu-btn span::before{transform:translateY(-6px)}
    .menu-btn span::after{transform:translateY(4px)}
    .menu-btn.is-open span{background:transparent}
    .menu-btn.is-open span::before{transform:rotate(45deg)}
    .menu-btn.is-open span::after{transform:translateY(-2px) rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:8px 0 18px;
      border-top:1px solid var(--line);
    }
    .mobile-panel a{
      display:flex;
      min-height:46px;
      align-items:center;
      padding:10px 14px;
      margin-top:6px;
      background:rgba(255,255,255,.035);
    }
    .mobile-panel a:hover,.mobile-panel a.active{
      color:var(--text);
      background:rgba(232,93,90,.14);
    }
    main{position:relative}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffd9d2;
      background:rgba(232,93,90,.12);
      border:1px solid rgba(232,93,90,.28);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:750;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;
      border-radius:999px;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(232,93,90,.14);
    }
    .hero-filter{
      padding:82px 0 68px;
      position:relative;
      overflow:hidden;
      border-bottom:1px solid var(--line);
    }
    .hero-filter::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(17,16,19,.96) 0%,rgba(17,16,19,.76) 50%,rgba(17,16,19,.94) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity:.88;
      z-index:-2;
    }
    .hero-filter::after{
      content:"";
      position:absolute;
      inset:auto -10% -28% -10%;
      height:46%;
      background:radial-gradient(ellipse at center,rgba(232,93,90,.2),transparent 68%);
      z-index:-1;
    }
    .split-hero{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      gap:42px;
      align-items:center;
    }
    .hero-copy h1{
      margin:20px 0 18px;
      max-width:780px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.045em;
    }
    .hero-copy p{
      max-width:740px;
      margin:0;
      color:#dbcfd2;
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:780;
      transition:.22s ease;
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 38px rgba(155,28,49,.34);
    }
    .btn-secondary{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.055);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 20px 48px rgba(155,28,49,.44)}
    .btn-secondary:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.16)}
    .btn:focus-visible,.desktop-nav a:focus-visible,.mobile-panel a:focus-visible,.footer-col a:focus-visible,.logo:focus-visible{
      outline:3px solid rgba(232,93,90,.45);
      outline-offset:3px;
    }
    .filter-card{
      border:1px solid var(--line-strong);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(42,32,40,.82),rgba(16,13,16,.94)),
        url("/assets/images/coverpic/cover-6.webp") center/cover no-repeat;
      min-height:440px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .filter-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(7,6,8,.28),rgba(7,6,8,.88));
    }
    .filter-card-inner{
      position:absolute;
      inset:auto 22px 22px 22px;
      padding:22px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(13,10,13,.72);
      backdrop-filter:blur(12px);
    }
    .quality-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .quality-row:last-child{border-bottom:0}
    .quality-row strong{font-size:15px}
    .quality-row span{color:var(--muted);font-size:13px}
    .meter{
      width:92px;height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .meter i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#ffb0a0)}
    .notice-strip{
      margin-top:22px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:15px 16px;
      border:1px solid rgba(232,93,90,.28);
      border-radius:18px;
      background:rgba(232,93,90,.1);
      color:#eadadd;
      font-size:14px;
    }
    .notice-strip strong{color:#fff}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin:10px 0 0;
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.025em;
    }
    .section-head p{
      margin:0;
      max-width:640px;
      color:var(--muted);
    }
    .two-col{
      display:grid;
      grid-template-columns:minmax(0,.86fr) minmax(420px,1.14fr);
      gap:28px;
      align-items:start;
    }
    .intro-panel,.index-panel,.card,.rule-box,.faq-item,.cta-band{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.028));
      border-radius:var(--radius-xl);
      box-shadow:0 18px 56px rgba(0,0,0,.22);
    }
    .intro-panel{
      padding:30px;
      position:sticky;
      top:104px;
    }
    .intro-panel h2{
      margin:14px 0 12px;
      font-size:30px;
      line-height:1.24;
    }
    .intro-panel p{margin:0;color:#d7cbce}
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin:24px 0;
    }
    .mini-stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .mini-stat b{display:block;font-size:24px;line-height:1;color:#fff1ec}
    .mini-stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .index-panel{padding:18px}
    .topic-item{
      display:grid;
      grid-template-columns:64px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      transition:.22s ease;
      border:1px solid transparent;
      background:rgba(255,255,255,.025);
    }
    .topic-item + .topic-item{margin-top:12px}
    .topic-item:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      background:rgba(232,93,90,.075);
      box-shadow:0 18px 50px rgba(0,0,0,.25);
    }
    .topic-num{
      width:58px;height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:20px;
      background:linear-gradient(135deg,rgba(232,93,90,.24),rgba(155,28,49,.15));
      color:#fff2ed;
      font-weight:900;
    }
    .topic-item h3{margin:0 0 3px;font-size:18px}
    .topic-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .topic-arrow{
      width:34px;height:34px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      color:#ffd4cc;
      background:rgba(255,255,255,.055);
      transition:.22s ease;
    }
    .topic-item:hover .topic-arrow{transform:translateX(4px);background:rgba(232,93,90,.18)}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      color:#eadde0;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      font-size:13px;
      transition:.2s ease;
    }
    .badge:hover,.badge.active{
      color:#fff;
      border-color:rgba(232,93,90,.45);
      background:rgba(232,93,90,.18);
    }
    .quality-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .card{
      padding:22px;
      transition:.22s ease;
      overflow:hidden;
      position:relative;
    }
    .card::after{
      content:"";
      position:absolute;
      width:120px;height:120px;
      border-radius:50%;
      right:-55px;top:-55px;
      background:rgba(232,93,90,.12);
      transition:.22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
    }
    .card:hover::after{transform:scale(1.22)}
    .card h3{margin:14px 0 8px;font-size:20px}
    .card p{margin:0;color:var(--muted);font-size:14px}
    .icon-pill{
      width:46px;height:46px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:900;
      box-shadow:0 14px 30px rgba(155,28,49,.28);
    }
    .media-band{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(0,1fr);
      gap:24px;
      align-items:center;
      padding:24px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:linear-gradient(135deg,rgba(42,32,40,.78),rgba(20,15,19,.88));
      overflow:hidden;
    }
    .media-visual{
      position:relative;
      min-height:330px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
    }
    .media-visual img{
      width:100%;
      height:100%;
      min-height:330px;
      object-fit:cover;
      transition:.45s ease;
      filter:saturate(.88) contrast(1.06);
    }
    .media-band:hover .media-visual img{transform:scale(1.035)}
    .media-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(0,0,0,.62));
    }
    .media-copy{padding:12px 8px}
    .media-copy h2{
      margin:12px 0;
      font-size:34px;
      line-height:1.22;
    }
    .media-copy p{color:var(--muted);margin:0 0 18px}
    .check-list{
      list-style:none;
      padding:0;
      margin:20px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#e7dce0;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 24px;
      width:24px;height:24px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:rgba(232,93,90,.18);
      color:#ffb9ad;
      font-weight:900;
      margin-top:2px;
    }
    .rules-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .rule-box{padding:24px}
    .rule-box h3{margin:0 0 8px;font-size:19px}
    .rule-box p{margin:0;color:var(--muted);font-size:14px}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      min-height:62px;
      padding:18px 20px;
      border:0;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.06);
      color:#ffd5ce;
      flex:0 0 auto;
      transition:.22s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .faq-item.is-open{
      border-color:rgba(232,93,90,.32);
      background:rgba(232,93,90,.06);
    }
    .faq-item.is-open .faq-answer{display:block}
    .faq-item.is-open .faq-question span:last-child{transform:rotate(45deg);background:rgba(232,93,90,.18)}
    .cta-band{
      position:relative;
      overflow:hidden;
      padding:36px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        linear-gradient(100deg,rgba(155,28,49,.44),rgba(24,19,23,.86) 56%,rgba(232,93,90,.18)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    }
    .cta-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:rgba(8,7,9,.34);
    }
    .cta-band > *{position:relative}
    .cta-band h2{margin:0 0 8px;font-size:30px;line-height:1.25}
    .cta-band p{margin:0;color:#e5d9dc;max-width:700px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      margin-top:60px;
      padding:54px 0 24px;
      background:#080708;
      border-top:1px solid rgba(232,93,90,.28);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--primary-2),transparent);
      opacity:.85;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .6fr .8fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand p{
      margin:16px 0 0;
      max-width:520px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 14px;
      font-size:16px;
      color:#fff2ed;
    }
    .footer-col a{
      display:block;
      width:max-content;
      max-width:100%;
      color:var(--muted);
      font-size:14px;
      padding:5px 0;
      transition:.2s ease;
    }
    .footer-col a:hover{color:#ffd0c8;transform:translateX(3px)}
    .footer-bottom{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--muted-2);
      font-size:13px;
    }
    @media (max-width:1080px){
      .desktop-nav{display:none}
      .menu-btn{display:flex}
      .mobile-panel.is-open{display:block}
      .search{width:220px}
      .split-hero,.two-col,.media-band{grid-template-columns:1fr}
      .intro-panel{position:relative;top:auto}
      .quality-grid{grid-template-columns:repeat(2,1fr)}
      .rules-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:760px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header .container{width:min(100% - 24px,var(--container))}
      .nav-wrap{min-height:68px}
      .search{display:none}
      .hero-filter{padding:54px 0 46px}
      .hero-copy h1{font-size:34px}
      .hero-copy p{font-size:15px}
      .filter-card{min-height:360px}
      .filter-card-inner{inset:auto 14px 14px 14px;padding:16px}
      .section{padding:56px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .topic-item{grid-template-columns:48px 1fr;padding:15px}
      .topic-arrow{display:none}
      .topic-num{width:46px;height:46px;border-radius:16px}
      .quality-grid,.rules-grid,.faq-grid{grid-template-columns:1fr}
      .media-band{padding:16px}
      .media-copy h2{font-size:28px}
      .cta-band{grid-template-columns:1fr;padding:26px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .mini-stats{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .logo-text{font-size:17px}
      .age-badge{min-width:38px;height:38px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .notice-strip{font-size:13px}
      .intro-panel{padding:22px}
      .card,.rule-box{padding:20px}
    }

/* roulang page: category3 */
:root{
      --bg:#111013;
      --bg-2:#171216;
      --panel:#1e171d;
      --panel-2:#261b24;
      --panel-3:#2a2028;
      --text:#f7efe7;
      --muted:#b8adb0;
      --muted-2:#8f8589;
      --primary:#e85d5a;
      --primary-2:#9b1c31;
      --line:rgba(255,255,255,.09);
      --line-strong:rgba(232,93,90,.38);
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --shadow-soft:0 16px 44px rgba(0,0,0,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 16% 4%, rgba(232,93,90,.18), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(155,28,49,.26), transparent 34%),
        linear-gradient(180deg,#111013 0%,#171116 46%,#100d10 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.2));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(232,93,90,.42);color:#fff}
    .container{width:min(var(--container), calc(100% - 48px));margin:0 auto}
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
      clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(17,16,19,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      color:var(--text);
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-2)),
        radial-gradient(circle at 35% 30%, rgba(255,255,255,.35), transparent 38%);
      position:relative;
      box-shadow:0 12px 28px rgba(232,93,90,.25);
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      left:15px;
      top:11px;
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:12px solid rgba(255,255,255,.92);
    }
    .logo-text{font-size:18px;white-space:nowrap}
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:4px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .desktop-nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .desktop-nav a:hover,
    .desktop-nav a:focus{
      color:var(--text);
      background:rgba(255,255,255,.075);
      outline:none;
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,93,90,.95),rgba(155,28,49,.92));
      box-shadow:0 10px 24px rgba(155,28,49,.32);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search{
      display:flex;
      align-items:center;
      gap:6px;
      padding:5px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.04);
      transition:var(--ease);
    }
    .search:focus-within{
      border-color:var(--line-strong);
      box-shadow:0 0 0 4px rgba(232,93,90,.12);
    }
    .search input{
      width:154px;
      min-height:34px;
      border:0;
      outline:none;
      background:transparent;
      color:var(--text);
      padding:0 8px 0 12px;
      font-size:14px;
    }
    .search input::placeholder{color:var(--muted-2)}
    .search button{
      min-height:34px;
      padding:0 13px;
      border-radius:999px;
      color:#fff;
      background:var(--primary);
      transition:var(--ease);
    }
    .search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
    .age-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:999px;
      color:#fff;
      border:1px solid rgba(232,93,90,.45);
      background:rgba(155,28,49,.28);
      font-weight:800;
      font-size:13px;
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      position:relative;
    }
    .menu-btn span,
    .menu-btn::before,
    .menu-btn::after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      height:2px;
      background:#fff;
      border-radius:2px;
      transition:var(--ease);
    }
    .menu-btn span{top:21px}
    .menu-btn::before{top:15px}
    .menu-btn::after{top:27px}
    .menu-btn[aria-expanded="true"] span{opacity:0}
    .menu-btn[aria-expanded="true"]::before{top:21px;transform:rotate(45deg)}
    .menu-btn[aria-expanded="true"]::after{top:21px;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      min-height:48px;
      padding:12px 16px;
      border-radius:16px;
      color:var(--muted);
      border:1px solid transparent;
    }
    .mobile-panel a:hover,
    .mobile-panel a:focus{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:var(--line);
      outline:none;
    }
    .mobile-panel a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,93,90,.92),rgba(155,28,49,.9));
    }

    main{overflow:hidden}
    .section{padding:86px 0}
    .section.compact{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#ffd6d2;
      background:rgba(232,93,90,.12);
      border:1px solid rgba(232,93,90,.28);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(232,93,90,.12);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(26px,3vw,36px);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-desc{
      max-width:660px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 36px rgba(155,28,49,.34);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 20px 46px rgba(155,28,49,.46)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.045);
      border-color:var(--line);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.085);border-color:rgba(255,255,255,.16)}
    .btn:focus{outline:none;box-shadow:0 0 0 4px rgba(232,93,90,.18),0 16px 36px rgba(0,0,0,.24)}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      color:#f1d8d4;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      font-size:13px;
      transition:var(--ease);
    }
    .tag:hover{background:rgba(232,93,90,.16);border-color:rgba(232,93,90,.35);color:#fff}
    .card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.035));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .card:hover{
      border-color:var(--line-strong);
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }

    .guide-hero{
      position:relative;
      padding:84px 0 70px;
      isolation:isolate;
    }
    .guide-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(17,16,19,.92), rgba(17,16,19,.62), rgba(17,16,19,.94)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      opacity:.74;
      z-index:-2;
    }
    .guide-hero::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:-160px;
      width:620px;
      height:260px;
      transform:translateX(-50%);
      border-radius:50%;
      background:rgba(232,93,90,.16);
      filter:blur(70px);
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.06fr) minmax(340px,.72fr);
      gap:42px;
      align-items:center;
    }
    .hero-copy h1{
      margin:18px 0 0;
      max-width:790px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.1;
      letter-spacing:-.04em;
    }
    .hero-copy p{
      max-width:720px;
      margin:18px 0 0;
      color:#dccfd1;
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-note{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:32px;
      max-width:820px;
    }
    .note-item{
      padding:16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(17,16,19,.54);
      backdrop-filter:blur(10px);
    }
    .note-item strong{
      display:block;
      font-size:20px;
      line-height:1.2;
      color:#fff;
    }
    .note-item span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-device{
      position:relative;
      border-radius:34px;
      padding:18px;
      background:linear-gradient(145deg,rgba(232,93,90,.22),rgba(255,255,255,.045));
      border:1px solid rgba(232,93,90,.28);
      box-shadow:var(--shadow);
      transform:rotate(1.5deg);
    }
    .hero-device::before{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      pointer-events:none;
      z-index:2;
    }
    .device-screen{
      overflow:hidden;
      border-radius:26px;
      background:#0c0b0d;
      position:relative;
      aspect-ratio:4/5;
    }
    .device-screen img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.76;
      transform:scale(1.02);
    }
    .screen-overlay{
      position:absolute;
      inset:auto 16px 16px;
      padding:18px;
      border-radius:20px;
      background:rgba(17,16,19,.78);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(12px);
    }
    .screen-overlay b{display:block;font-size:18px}
    .screen-overlay span{display:block;margin-top:4px;color:var(--muted);font-size:13px}
    .age-alert{
      margin-top:18px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px 18px;
      max-width:850px;
      border-radius:20px;
      border:1px solid rgba(232,93,90,.3);
      background:rgba(155,28,49,.16);
      color:#f4dcd9;
    }
    .age-alert strong{color:#fff}
    .age-alert p{margin:0;color:#e5c7c4;font-size:14px;line-height:1.65}

    .quick-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
    }
    .quick-card{
      padding:22px;
      min-height:190px;
      position:relative;
      overflow:hidden;
    }
    .quick-card::after{
      content:"";
      position:absolute;
      right:-40px;
      bottom:-46px;
      width:130px;
      height:130px;
      border-radius:50%;
      background:rgba(232,93,90,.12);
    }
    .quick-card .num{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
    }
    .quick-card h2{
      margin:18px 0 8px;
      font-size:21px;
      line-height:1.25;
    }
    .quick-card p{margin:0;color:var(--muted);font-size:15px}

    .timeline-wrap{
      display:grid;
      grid-template-columns:minmax(280px,.42fr) minmax(0,.58fr);
      gap:34px;
      align-items:start;
    }
    .sticky-panel{
      position:sticky;
      top:100px;
      padding:26px;
      overflow:hidden;
    }
    .sticky-panel img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      border-radius:20px;
      opacity:.82;
      margin:18px 0;
    }
    .sticky-panel h2{
      margin:14px 0 0;
      font-size:30px;
      line-height:1.2;
    }
    .sticky-panel p{color:var(--muted);margin:12px 0 0}
    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .timeline{
      position:relative;
      padding-left:30px;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:10px;
      top:10px;
      bottom:10px;
      width:2px;
      background:linear-gradient(to bottom,var(--primary),rgba(255,255,255,.08));
    }
    .step{
      position:relative;
      padding:0 0 20px;
    }
    .step:last-child{padding-bottom:0}
    .step-dot{
      position:absolute;
      left:-30px;
      top:22px;
      width:22px;
      height:22px;
      border-radius:50%;
      background:var(--bg);
      border:5px solid var(--primary);
      box-shadow:0 0 0 7px rgba(232,93,90,.12);
    }
    .step-card{
      padding:24px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
    }
    .step-card:hover{border-color:var(--line-strong);background:rgba(255,255,255,.07)}
    .step-card small{
      display:inline-flex;
      color:#ffd6d2;
      font-weight:800;
      letter-spacing:.04em;
      margin-bottom:8px;
    }
    .step-card h3{
      margin:0;
      font-size:22px;
      line-height:1.28;
    }
    .step-card p{
      margin:10px 0 0;
      color:var(--muted);
    }
    .step-list{
      display:grid;
      gap:8px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .step-list li{
      position:relative;
      padding-left:22px;
      color:#ddd0d1;
      font-size:15px;
    }
    .step-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.78em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
    }

    .settings-board{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .setting-large{
      padding:28px;
      border-radius:28px;
      border:1px solid rgba(232,93,90,.28);
      background:
        linear-gradient(135deg,rgba(155,28,49,.28),rgba(255,255,255,.045)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      min-height:340px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      overflow:hidden;
      position:relative;
    }
    .setting-large::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(17,16,19,.2),rgba(17,16,19,.88));
    }
    .setting-large > *{position:relative}
    .setting-large h2{
      margin:12px 0 0;
      font-size:32px;
      line-height:1.18;
    }
    .setting-large p{margin:12px 0 0;color:#e5d6d5;max-width:620px}
    .setting-list{
      display:grid;
      gap:14px;
    }
    .setting-item{
      display:grid;
      grid-template-columns:52px 1fr;
      gap:14px;
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      transition:var(--ease);
    }
    .setting-item:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.07);
    }
    .setting-icon{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:rgba(232,93,90,.16);
      border:1px solid rgba(232,93,90,.3);
    }
    .setting-item h3{margin:0;font-size:18px;line-height:1.3}
    .setting-item p{margin:6px 0 0;color:var(--muted);font-size:14px}

    .route-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:20px;
    }
    .route-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .route-card{
      overflow:hidden;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      transition:var(--ease);
    }
    .route-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-soft);
    }
    .route-media{
      aspect-ratio:16/10;
      overflow:hidden;
      position:relative;
      background:#0f0d10;
    }
    .route-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.78;
      transition:transform .35s ease;
    }
    .route-card:hover img{transform:scale(1.04)}
    .route-media span{
      position:absolute;
      left:12px;
      top:12px;
      padding:6px 10px;
      border-radius:999px;
      color:#fff;
      background:rgba(155,28,49,.76);
      border:1px solid rgba(255,255,255,.12);
      font-size:12px;
      font-weight:800;
    }
    .route-body{padding:18px}
    .route-body h3{
      margin:0;
      font-size:18px;
      line-height:1.3;
    }
    .route-body p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .route-link{
      display:inline-flex;
      align-items:center;
      margin-top:14px;
      color:#ffd0cc;
      font-weight:800;
      font-size:14px;
    }
    .route-link::after{
      content:"→";
      margin-left:7px;
      transition:var(--ease);
    }
    .route-card:hover .route-link::after{transform:translateX(4px)}

    .privacy-strip{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .privacy-card{
      padding:26px;
      border-radius:28px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.032));
    }
    .privacy-card h2,
    .privacy-card h3{margin:0;line-height:1.25}
    .privacy-card h2{font-size:30px}
    .privacy-card p{color:var(--muted);margin:12px 0 0}
    .check-list{
      margin:18px 0 0;
      padding:0;
      display:grid;
      gap:12px;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#e4d8d8;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 auto;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary-2);
      font-size:13px;
      font-weight:900;
      margin-top:3px;
    }
    .warning-box{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(232,93,90,.3);
      background:rgba(155,28,49,.16);
    }
    .warning-box strong{display:block;color:#fff;font-size:18px}
    .warning-box p{margin:8px 0 0;color:#e2c8c5}

    .faq-wrap{
      display:grid;
      grid-template-columns:.42fr .58fr;
      gap:30px;
      align-items:start;
    }
    .faq-intro{
      padding:26px;
      border-radius:28px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .faq-intro h2{margin:12px 0 0;font-size:30px;line-height:1.2}
    .faq-intro p{color:var(--muted)}
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-align:left;
      font-weight:800;
      transition:var(--ease);
    }
    .faq-q:hover{background:rgba(255,255,255,.055)}
    .faq-q:focus{outline:none;box-shadow:inset 0 0 0 2px rgba(232,93,90,.45)}
    .faq-q span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(232,93,90,.16);
      color:#ffd0cc;
      transition:var(--ease);
    }
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .faq-a{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      margin:0;
    }
    .faq-item.open .faq-a{display:block}

    .cta{
      padding:0 0 88px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(232,93,90,.28);
      background:
        linear-gradient(135deg,rgba(155,28,49,.38),rgba(31,23,29,.88)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(17,16,19,.26),rgba(17,16,19,.72));
      pointer-events:none;
    }
    .cta-panel > *{position:relative}
    .cta-panel h2{
      margin:0;
      font-size:clamp(26px,3vw,38px);
      line-height:1.16;
    }
    .cta-panel p{
      max-width:720px;
      margin:10px 0 0;
      color:#eadbda;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      background:#0d0b0e;
      border-top:1px solid var(--line);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--primary-2),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr .75fr;
      gap:34px;
      padding:52px 0 34px;
    }
    .footer-brand p{
      max-width:520px;
      margin:16px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .footer-col{
      display:grid;
      gap:10px;
      align-content:start;
    }
    .footer-col h3{
      margin:0 0 6px;
      color:#fff;
      font-size:16px;
    }
    .footer-col a{
      color:var(--muted);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-col a:hover,
    .footer-col a:focus{
      color:#fff;
      transform:translateX(3px);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:18px 0 28px;
      border-top:1px solid var(--line);
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1100px){
      .desktop-nav{display:none}
      .menu-btn{display:inline-block}
      .mobile-panel.show{display:grid;gap:8px}
      .search input{width:130px}
      .hero-layout,
      .timeline-wrap,
      .settings-board,
      .privacy-strip,
      .faq-wrap{
        grid-template-columns:1fr;
      }
      .sticky-panel{position:relative;top:auto}
      .route-grid{grid-template-columns:repeat(2,1fr)}
      .quick-grid{grid-template-columns:1fr 1fr}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:767px){
      .container{width:min(100% - 32px, var(--container))}
      .nav-wrap{min-height:68px}
      .logo-text{font-size:16px}
      .logo-mark{width:34px;height:34px;border-radius:12px}
      .logo-mark::before{left:14px;top:10px;border-top-width:7px;border-bottom-width:7px;border-left-width:10px}
      .search{display:none}
      .guide-hero{padding:58px 0 50px}
      .hero-layout{gap:30px}
      .hero-copy h1{font-size:clamp(31px,10vw,38px)}
      .hero-copy p{font-size:15px}
      .hero-note{grid-template-columns:1fr}
      .hero-device{transform:none;border-radius:28px}
      .age-alert{flex-direction:column}
      .section{padding:56px 0}
      .section.compact{padding:44px 0}
      .section-head{display:block}
      .quick-grid,
      .route-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .timeline{padding-left:24px}
      .timeline::before{left:8px}
      .step-dot{left:-26px}
      .setting-large{min-height:300px;padding:22px}
      .setting-large h2,
      .privacy-card h2,
      .faq-intro h2{font-size:25px}
      .setting-item{grid-template-columns:44px 1fr;padding:16px}
      .setting-icon{width:44px;height:44px;border-radius:15px}
      .cta-panel{padding:24px;border-radius:26px}
      .hero-actions,
      .cta-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .age-badge{width:38px;height:38px}
      .mobile-panel a{min-height:50px}
      .quick-card,
      .step-card,
      .privacy-card,
      .faq-intro{padding:20px}
      .route-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .route-tabs .tag{white-space:nowrap}
    }

/* roulang page: category4 */
:root {
      --bg: #111013;
      --bg-soft: #171216;
      --panel: #1d171d;
      --panel-2: #241b23;
      --panel-3: #2a2028;
      --text: #f7efe7;
      --muted: #b8adb0;
      --muted-2: #8f8589;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(232,93,90,.38);
      --brand: #e85d5a;
      --brand-dark: #9b1c31;
      --brand-soft: rgba(232,93,90,.14);
      --cream: #f7efe7;
      --shadow: 0 22px 70px rgba(0,0,0,.42);
      --shadow-hover: 0 28px 88px rgba(0,0,0,.55);
      --radius-lg: 28px;
      --radius-md: 22px;
      --radius-sm: 16px;
      --container: 1220px;
      --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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 10% 8%, rgba(155,28,49,.36), transparent 34%),
        radial-gradient(circle at 88% 22%, rgba(232,93,90,.18), transparent 34%),
        linear-gradient(180deg, #100f12 0%, #151014 48%, #0f0d10 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .16;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.65), transparent 85%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
      color: inherit;
    }

    input {
      color: var(--text);
    }

    ::selection {
      background: rgba(232,93,90,.35);
      color: #fff;
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0,0,0,0);
      white-space: nowrap;
      border: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(17,16,19,.82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .nav-wrap {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      position: relative;
      background:
        linear-gradient(135deg, var(--brand), var(--brand-dark));
      box-shadow: 0 12px 34px rgba(232,93,90,.28);
    }

    .logo-mark::before {
      content: "";
      position: absolute;
      left: 15px;
      top: 10px;
      border-left: 12px solid rgba(255,255,255,.88);
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 5px;
      border: 1px solid rgba(255,255,255,.28);
      border-radius: 11px;
    }

    .logo-text {
      font-size: 18px;
      color: var(--cream);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      flex: 1;
    }

    .desktop-nav a,
    .mobile-panel a {
      position: relative;
      color: rgba(247,239,231,.78);
      font-size: 14px;
      padding: 10px 14px;
      border-radius: 999px;
      transition: color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
    }

    .desktop-nav a:hover,
    .desktop-nav a.active {
      color: #fff;
      background: rgba(232,93,90,.16);
    }

    .desktop-nav a.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand), transparent);
    }

    .nav-tools {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search {
      display: flex;
      align-items: center;
      min-width: 270px;
      height: 42px;
      padding: 4px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.045);
      transition: border-color .22s var(--ease), background .22s var(--ease);
    }

    .search:focus-within {
      border-color: rgba(232,93,90,.72);
      background: rgba(255,255,255,.07);
      box-shadow: 0 0 0 4px rgba(232,93,90,.12);
    }

    .search input {
      min-width: 0;
      flex: 1;
      border: 0;
      outline: 0;
      background: transparent;
      padding: 0 12px;
      font-size: 13px;
    }

    .search input::placeholder {
      color: rgba(184,173,176,.72);
    }

    .search button {
      height: 32px;
      padding: 0 14px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      color: #fff;
      font-size: 13px;
      transition: transform .22s var(--ease), filter .22s var(--ease), box-shadow .22s var(--ease);
    }

    .search button:hover {
      transform: translateY(-1px);
      filter: brightness(1.08);
      box-shadow: 0 12px 24px rgba(155,28,49,.32);
    }

    .age-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(232,93,90,.35);
      background: rgba(232,93,90,.10);
      color: #ffd7d5;
      font-size: 13px;
      font-weight: 800;
    }

    .menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: rgba(255,255,255,.05);
    }

    .menu-btn span,
    .menu-btn span::before,
    .menu-btn span::after {
      display: block;
      width: 18px;
      height: 2px;
      margin: auto;
      border-radius: 999px;
      background: var(--text);
      transition: transform .22s var(--ease), opacity .22s var(--ease);
    }

    .menu-btn span::before,
    .menu-btn span::after {
      content: "";
      position: relative;
    }

    .menu-btn span::before {
      top: -7px;
    }

    .menu-btn span::after {
      top: 5px;
    }

    .menu-btn.is-open span {
      transform: rotate(45deg);
    }

    .menu-btn.is-open span::before {
      transform: translateY(7px) rotate(90deg);
    }

    .menu-btn.is-open span::after {
      opacity: 0;
    }

    .mobile-panel {
      display: none;
      padding: 0 0 18px;
    }

    .mobile-panel a {
      display: flex;
      min-height: 48px;
      align-items: center;
      border: 1px solid var(--line);
      margin-top: 10px;
      background: rgba(255,255,255,.04);
    }

    .mobile-panel a.active,
    .mobile-panel a:hover {
      background: rgba(232,93,90,.15);
      color: #fff;
      border-color: rgba(232,93,90,.28);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 14px;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), filter .22s var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      color: #fff;
      box-shadow: 0 16px 36px rgba(155,28,49,.32);
    }

    .btn-secondary {
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.055);
      color: var(--cream);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary:hover {
      filter: brightness(1.08);
      box-shadow: 0 22px 44px rgba(155,28,49,.44);
    }

    .btn-secondary:hover {
      border-color: rgba(232,93,90,.46);
      background: rgba(232,93,90,.12);
    }

    .btn:focus-visible,
    .desktop-nav a:focus-visible,
    .mobile-panel a:focus-visible,
    .search button:focus-visible,
    .menu-btn:focus-visible,
    .safety-check input:focus-visible + span,
    .feedback-form input:focus,
    .feedback-form textarea:focus,
    .feedback-form select:focus {
      outline: 0;
      box-shadow: 0 0 0 4px rgba(232,93,90,.18);
      border-color: rgba(232,93,90,.7);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(232,93,90,.28);
      background: rgba(232,93,90,.12);
      color: #ffd2cf;
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(232,93,90,.14);
    }

    .hero {
      position: relative;
      padding: 72px 0 76px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(17,16,19,.92), rgba(17,16,19,.68), rgba(17,16,19,.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      opacity: .78;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -1px;
      height: 120px;
      background: linear-gradient(180deg, transparent, var(--bg));
      z-index: -1;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 46px;
      align-items: center;
    }

    .hero-copy h1 {
      margin-top: 18px;
      max-width: 780px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -.055em;
    }

    .hero-copy p {
      margin-top: 22px;
      max-width: 720px;
      color: rgba(247,239,231,.82);
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .notice-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 34px;
    }

    .notice-strip span {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      padding: 12px 15px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      color: rgba(247,239,231,.82);
      font-size: 13px;
    }

    .notice-strip strong {
      color: #fff;
    }

    .cover-panel {
      position: relative;
      min-height: 520px;
      border: 1px solid rgba(232,93,90,.28);
      border-radius: 34px;
      overflow: hidden;
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .cover-panel img {
      width: 100%;
      height: 100%;
      min-height: 520px;
      object-fit: cover;
      filter: saturate(.86) contrast(1.04);
    }

    .cover-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(17,16,19,.15), rgba(17,16,19,.78)),
        radial-gradient(circle at 68% 24%, rgba(232,93,90,.32), transparent 38%);
    }

    .cover-card {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      z-index: 1;
      padding: 22px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(17,16,19,.72);
      backdrop-filter: blur(16px);
    }

    .cover-card h2 {
      font-size: 22px;
      line-height: 1.35;
    }

    .cover-card p {
      margin-top: 8px;
      color: rgba(247,239,231,.78);
      font-size: 14px;
    }

    .section {
      padding: 82px 0;
    }

    .section-tight {
      padding-top: 48px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 30px;
    }

    .section-head.center {
      margin-inline: auto;
      text-align: center;
    }

    .section-head h2 {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.22;
      letter-spacing: -.035em;
    }

    .section-head p {
      margin-top: 12px;
      color: rgba(247,239,231,.72);
      font-size: 16px;
    }

    .age-alert {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 20px;
      align-items: center;
      padding: 22px;
      border: 1px solid rgba(232,93,90,.32);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(232,93,90,.14), rgba(255,255,255,.045)),
        var(--panel);
      box-shadow: var(--shadow);
    }

    .age-icon {
      width: 58px;
      height: 58px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      background: rgba(232,93,90,.18);
      color: #ffd6d3;
      font-weight: 900;
      border: 1px solid rgba(232,93,90,.28);
    }

    .age-alert h2 {
      font-size: 22px;
      line-height: 1.35;
    }

    .age-alert p {
      color: rgba(247,239,231,.72);
      font-size: 14px;
      margin-top: 4px;
    }

    .module-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 24px;
      align-items: stretch;
    }

    .visual-card {
      position: relative;
      min-height: 420px;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .visual-card img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
      transition: transform .5s var(--ease);
      opacity: .86;
    }

    .visual-card:hover img {
      transform: scale(1.035);
    }

    .visual-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(17,16,19,.08), rgba(17,16,19,.88));
    }

    .visual-card-body {
      position: absolute;
      z-index: 1;
      left: 24px;
      right: 24px;
      bottom: 24px;
    }

    .visual-card-body h3 {
      font-size: 26px;
      line-height: 1.25;
    }

    .visual-card-body p {
      margin-top: 10px;
      color: rgba(247,239,231,.76);
    }

    .check-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035));
      box-shadow: var(--shadow);
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }

    .safety-check {
      display: grid;
      grid-template-columns: 26px 1fr;
      gap: 12px;
      align-items: start;
      padding: 15px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
      cursor: pointer;
    }

    .safety-check:hover {
      border-color: rgba(232,93,90,.32);
      background: rgba(232,93,90,.08);
      transform: translateY(-2px);
    }

    .safety-check input {
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }

    .safety-check .fake-box {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.2);
      background: rgba(0,0,0,.18);
      transition: background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
      position: relative;
      margin-top: 2px;
    }

    .safety-check input:checked + .fake-box {
      background: var(--brand);
      border-color: var(--brand);
    }

    .safety-check input:checked + .fake-box::after {
      content: "";
      position: absolute;
      left: 7px;
      top: 4px;
      width: 7px;
      height: 12px;
      border: solid #fff;
      border-width: 0 2px 2px 0;
      transform: rotate(45deg);
    }

    .safety-check strong {
      display: block;
      color: #fff;
      font-size: 15px;
      line-height: 1.45;
    }

    .safety-check small {
      display: block;
      margin-top: 3px;
      color: rgba(247,239,231,.62);
      font-size: 13px;
      line-height: 1.55;
    }

    .topic-mosaic {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .topic-card {
      grid-column: span 4;
      min-height: 250px;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at top right, rgba(232,93,90,.14), transparent 40%),
        rgba(255,255,255,.045);
      transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
    }

    .topic-card.wide {
      grid-column: span 8;
      display: grid;
      grid-template-columns: 1fr 260px;
      gap: 22px;
      align-items: center;
    }

    .topic-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(232,93,90,.36);
      background:
        radial-gradient(circle at top right, rgba(232,93,90,.22), transparent 44%),
        rgba(255,255,255,.06);
    }

    .topic-card h3 {
      margin-top: 14px;
      font-size: 21px;
      line-height: 1.34;
    }

    .topic-card p {
      margin-top: 10px;
      color: rgba(247,239,231,.7);
      font-size: 14px;
    }

    .topic-card img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.1);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 999px;
      border: 1px solid rgba(232,93,90,.28);
      background: rgba(155,28,49,.26);
      color: #ffd9d6;
      font-size: 12px;
      font-weight: 700;
    }

    .mini-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: #ffd0cd;
      font-weight: 700;
      font-size: 14px;
    }

    .mini-link::after {
      content: "→";
      transition: transform .22s var(--ease);
    }

    .topic-card:hover .mini-link::after,
    .route-item:hover .mini-link::after {
      transform: translateX(4px);
    }

    .route-band {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 24px;
      align-items: start;
    }

    .route-note {
      position: sticky;
      top: 100px;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(232,93,90,.24);
      background:
        linear-gradient(180deg, rgba(155,28,49,.22), rgba(255,255,255,.04)),
        var(--panel);
      box-shadow: var(--shadow);
    }

    .route-note h2 {
      font-size: 30px;
      line-height: 1.22;
    }

    .route-note p {
      margin-top: 12px;
      color: rgba(247,239,231,.72);
    }

    .route-list {
      display: grid;
      gap: 16px;
    }

    .route-item {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }

    .route-item:hover {
      transform: translateY(-3px);
      border-color: rgba(232,93,90,.34);
      background: rgba(255,255,255,.065);
    }

    .route-no {
      width: 64px;
      height: 64px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand), var(--brand-dark));
      box-shadow: 0 12px 26px rgba(155,28,49,.28);
    }

    .route-item h3 {
      font-size: 20px;
      line-height: 1.35;
    }

    .route-item p {
      margin-top: 7px;
      color: rgba(247,239,231,.68);
      font-size: 14px;
    }

    .category-links {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .cat-pill {
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }

    .cat-pill:hover,
    .cat-pill.active {
      transform: translateY(-3px);
      border-color: rgba(232,93,90,.36);
      background: rgba(232,93,90,.12);
    }

    .cat-pill strong {
      display: block;
      line-height: 1.35;
    }

    .cat-pill span {
      display: block;
      margin-top: 5px;
      color: rgba(247,239,231,.62);
      font-size: 13px;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255,255,255,.045);
      overflow: hidden;
      transition: border-color .22s var(--ease), background .22s var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(232,93,90,.32);
      background: rgba(255,255,255,.06);
    }

    .faq-question {
      width: 100%;
      min-height: 64px;
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      text-align: left;
      color: #fff;
      font-weight: 800;
    }

    .faq-question::after {
      content: "+";
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(232,93,90,.14);
      color: #ffd5d2;
      transition: transform .22s var(--ease), background .22s var(--ease);
    }

    .faq-item.open .faq-question::after {
      content: "−";
      background: rgba(232,93,90,.28);
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .28s var(--ease);
    }

    .faq-answer p {
      padding: 0 20px 20px;
      color: rgba(247,239,231,.68);
      font-size: 14px;
    }

    .feedback-wrap {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 24px;
      align-items: stretch;
    }

    .feedback-info,
    .feedback-form {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      box-shadow: var(--shadow);
    }

    .feedback-info {
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 24px;
      background:
        linear-gradient(135deg, rgba(232,93,90,.16), rgba(255,255,255,.04)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      position: relative;
      overflow: hidden;
    }

    .feedback-info::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(17,16,19,.70);
    }

    .feedback-info > * {
      position: relative;
      z-index: 1;
    }

    .feedback-info h2 {
      font-size: 32px;
      line-height: 1.22;
    }

    .feedback-info p {
      margin-top: 12px;
      color: rgba(247,239,231,.74);
    }

    .contact-chip {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(0,0,0,.24);
      color: #fff;
      font-size: 14px;
    }

    .feedback-form {
      padding: 28px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: rgba(247,239,231,.78);
      font-size: 13px;
      font-weight: 700;
    }

    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(0,0,0,.18);
      color: var(--text);
      outline: 0;
      padding: 13px 14px;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .feedback-form select {
      color-scheme: dark;
    }

    .feedback-form textarea {
      min-height: 136px;
      resize: vertical;
    }

    .form-tip {
      margin-top: 14px;
      color: rgba(247,239,231,.58);
      font-size: 13px;
    }

    .cta {
      padding: 54px;
      border-radius: 34px;
      border: 1px solid rgba(232,93,90,.28);
      background:
        radial-gradient(circle at 8% 20%, rgba(232,93,90,.22), transparent 34%),
        linear-gradient(135deg, rgba(36,27,35,.92), rgba(17,16,19,.94));
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 24px;
      overflow: hidden;
      position: relative;
    }

    .cta::after {
      content: "";
      position: absolute;
      right: -70px;
      top: -90px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(232,93,90,.14);
      filter: blur(5px);
    }

    .cta h2 {
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.2;
    }

    .cta p {
      margin-top: 12px;
      max-width: 720px;
      color: rgba(247,239,231,.72);
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .site-footer {
      margin-top: 72px;
      padding: 54px 0 24px;
      background: #0b0a0c;
      border-top: 1px solid rgba(232,93,90,.24);
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--brand), var(--brand-dark), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .9fr;
      gap: 42px;
      align-items: start;
    }

    .footer-brand p {
      margin-top: 16px;
      max-width: 520px;
      color: rgba(247,239,231,.62);
      font-size: 14px;
    }

    .footer-col h3 {
      margin-bottom: 14px;
      font-size: 15px;
      color: #fff;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      padding: 4px 0;
      color: rgba(247,239,231,.62);
      font-size: 14px;
      transition: color .22s var(--ease), transform .22s var(--ease);
    }

    .footer-col a:hover {
      color: #ffd0cd;
      transform: translateX(3px);
    }

    .footer-bottom {
      margin-top: 36px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: rgba(247,239,231,.52);
      font-size: 13px;
    }

    @media (max-width: 1120px) {
      .desktop-nav {
        display: none;
      }

      .menu-btn {
        display: inline-grid;
        place-items: center;
      }

      .mobile-panel.is-open {
        display: block;
      }

      .hero-layout,
      .module-grid,
      .route-band,
      .feedback-wrap {
        grid-template-columns: 1fr;
      }

      .route-note {
        position: static;
      }

      .topic-card,
      .topic-card.wide {
        grid-column: span 6;
      }

      .topic-card.wide {
        grid-template-columns: 1fr;
      }

      .category-links {
        grid-template-columns: repeat(2, 1fr);
      }

      .cta {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 820px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .search {
        display: none;
      }

      .hero {
        padding: 48px 0 56px;
      }

      .cover-panel,
      .cover-panel img {
        min-height: 390px;
      }

      .notice-strip,
      .age-alert,
      .faq-layout,
      .footer-grid,
      .footer-bottom {
        grid-template-columns: 1fr;
      }

      .age-alert {
        align-items: start;
      }

      .section {
        padding: 58px 0;
      }

      .topic-card,
      .topic-card.wide {
        grid-column: 1 / -1;
      }

      .form-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        gap: 8px;
      }
    }

    @media (max-width: 560px) {
      .nav-wrap {
        min-height: 68px;
        gap: 12px;
      }

      .logo-text {
        font-size: 16px;
      }

      .logo-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .hero-copy h1 {
        font-size: 32px;
      }

      .hero-copy p {
        font-size: 15px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .notice-strip span {
        min-height: 50px;
      }

      .cover-card {
        left: 14px;
        right: 14px;
        bottom: 14px;
        padding: 18px;
      }

      .cover-card h2,
      .age-alert h2 {
        font-size: 20px;
      }

      .check-panel,
      .feedback-form,
      .feedback-info {
        padding: 22px;
      }

      .route-item {
        grid-template-columns: 1fr;
      }

      .route-no {
        width: 52px;
        height: 52px;
        border-radius: 18px;
      }

      .category-links {
        grid-template-columns: 1fr;
      }

      .cta {
        padding: 28px;
        border-radius: 28px;
      }
    }