/* roulang page: index */
:root{
      --bg:#0b1020;
      --bg-soft:#10162a;
      --panel:#151b31;
      --panel-2:#1a2140;
      --card:#18203a;
      --line:rgba(255,255,255,.08);
      --text:#f5f7ff;
      --muted:#a8b1d1;
      --brand:#ff4d7d;
      --brand-2:#ffb34d;
      --brand-3:#7e8cff;
      --success:#36d399;
      --shadow:0 18px 50px rgba(5,10,30,.38);
      --shadow-soft:0 10px 24px rgba(5,10,30,.22);
      --radius:24px;
      --radius-sm:16px;
      --container:1200px;
      --space:24px;
      --space-lg:48px;
      --space-xl:72px;
      --transition:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 10% -10%, rgba(255,77,125,.24), transparent 45%),
        radial-gradient(900px 500px at 100% 0%, rgba(126,140,255,.16), transparent 40%),
        linear-gradient(180deg, #09101f 0%, #0b1020 38%, #0d1324 100%);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,77,125,.28);color:#fff}
    .skip-link{
      position:absolute;
      left:-999px;
      top:12px;
      z-index:999;
      padding:12px 16px;
      border-radius:999px;
      background:var(--brand);
      color:#fff;
    }
    .skip-link:focus{left:16px}
    .container{
      width:min(100% - 32px, var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter:blur(18px);
      background:rgba(9,14,27,.72);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.3px;
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      box-shadow:0 12px 24px rgba(255,77,125,.3);
      flex:none;
      font-size:18px;
    }
    .brand span:last-child{font-size:18px}
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:16px;
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-radius:14px;
      align-items:center;
      justify-content:center;
      transition:var(--transition);
    }
    .nav-toggle:hover,
    .nav-toggle:focus-visible{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.18);
      outline:none;
      transform:translateY(-1px);
    }
    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .nav a{
      position:relative;
      padding:11px 15px;
      border-radius:999px;
      color:var(--muted);
      transition:var(--transition);
      border:1px solid transparent;
    }
    .nav a:hover,
    .nav a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.09);
      outline:none;
      transform:translateY(-1px);
    }
    .nav a.active,
    .nav a[aria-current="page"]{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,77,125,.16), rgba(255,179,77,.16));
      border-color:rgba(255,77,125,.28);
      box-shadow:0 10px 24px rgba(255,77,125,.14);
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding:46px 0 28px;
    }
    .hero-shell{
      position:relative;
      border-radius:32px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(8,12,24,.88), rgba(12,16,33,.8)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.08);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(900px 500px at 80% 15%, rgba(255,77,125,.18), transparent 45%),
        radial-gradient(700px 420px at 18% 85%, rgba(126,140,255,.18), transparent 38%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:32px;
      padding:38px;
      align-items:center;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:#ffd9e3;
      border:1px solid rgba(255,255,255,.1);
      font-size:14px;
      letter-spacing:.2px;
      margin-bottom:18px;
    }
    .kicker i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(54,211,153,.14);
      display:inline-block;
    }
    h1{
      margin:0 0 18px;
      font-size:clamp(34px, 5vw, 64px);
      line-height:1.06;
      letter-spacing:-.8px;
    }
    .hero p{
      margin:0 0 22px;
      color:#d8def5;
      max-width:58ch;
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin:22px 0 18px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:var(--transition);
      font-weight:700;
      letter-spacing:.2px;
      box-shadow:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 30px rgba(255,77,125,.24);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(255,77,125,.32);
      outline:none;
    }
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.1);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.16);
      transform:translateY(-2px);
      outline:none;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:#edf0ff;
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .hero-search{
      margin-top:22px;
      display:flex;
      gap:10px;
      max-width:560px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.1);
      border-radius:18px;
      padding:10px;
      box-shadow:var(--shadow-soft);
    }
    .hero-search input{
      flex:1;
      border:none;
      outline:none;
      background:transparent;
      color:var(--text);
      min-width:0;
      padding:10px 8px;
    }
    .hero-search input::placeholder{color:#91a0c8}
    .hero-search button{
      border:none;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      border-radius:14px;
      padding:0 18px;
      min-height:44px;
      font-weight:700;
      box-shadow:0 10px 24px rgba(255,77,125,.18);
      transition:var(--transition);
    }
    .hero-search button:hover,
    .hero-search button:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }

    .hero-showcase{
      display:grid;
      gap:16px;
      align-self:stretch;
    }
    .showcase-main{
      position:relative;
      min-height:360px;
      overflow:hidden;
      border-radius:28px;
      background:#0d1324;
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
    }
    .showcase-main img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.96;
    }
    .showcase-overlay{
      position:absolute;
      inset:auto 16px 16px 16px;
      padding:16px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(11,16,32,.18), rgba(11,16,32,.84));
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(8px);
    }
    .showcase-overlay strong{
      display:block;
      font-size:18px;
      margin-bottom:6px;
    }
    .showcase-overlay p{
      margin:0;
      color:#d8def5;
      font-size:14px;
    }
    .showcase-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:14px;
    }
    .info-card{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:16px;
      box-shadow:var(--shadow-soft);
    }
    .info-card .label{
      display:inline-flex;
      margin-bottom:10px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      color:#ffd7e4;
      background:rgba(255,77,125,.14);
      border:1px solid rgba(255,77,125,.18);
    }
    .info-card h3{
      margin:0 0 8px;
      font-size:18px;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .section{
      padding:36px 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:20px;
      margin-bottom:22px;
    }
    .section-head .text{
      max-width:720px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      color:#ffd8e4;
      margin-bottom:10px;
      letter-spacing:.18px;
    }
    .section-kicker::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(255,77,125,.12);
    }
    .section h2{
      margin:0 0 10px;
      font-size:clamp(26px, 3vw, 38px);
      line-height:1.18;
      letter-spacing:-.4px;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      max-width:70ch;
    }
    .section-link{
      color:#fff;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      transition:var(--transition);
      white-space:nowrap;
    }
    .section-link:hover,
    .section-link:focus-visible{
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .benefit-grid,
    .category-grid,
    .updates-grid,
    .step-grid{
      display:grid;
      gap:18px;
    }
    .benefit-grid{
      grid-template-columns:repeat(4, minmax(0, 1fr));
    }
    .category-grid{
      grid-template-columns:repeat(4, minmax(0, 1fr));
    }
    .updates-grid{
      grid-template-columns:repeat(3, minmax(0, 1fr));
    }
    .step-grid{
      grid-template-columns:repeat(3, minmax(0, 1fr));
    }
    .panel{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:var(--transition);
    }
    .panel:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(255,255,255,.12);
    }
    .benefit-card{
      padding:22px;
      min-height:188px;
    }
    .metric{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(255,77,125,.2), rgba(255,179,77,.16));
      border:1px solid rgba(255,77,125,.18);
      margin-bottom:14px;
      font-weight:800;
      color:#fff;
    }
    .benefit-card h3,
    .step-card h3,
    .category-card h3{
      margin:0 0 10px;
      font-size:19px;
    }
    .benefit-card p,
    .step-card p,
    .category-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .category-card{
      overflow:hidden;
    }
    .category-media{
      position:relative;
      aspect-ratio:16/11;
      overflow:hidden;
    }
    .category-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .category-card:hover .category-media img{
      transform:scale(1.05);
    }
    .category-body{
      padding:18px;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:0 0 12px;
    }
    .chip{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(126,140,255,.12);
      border:1px solid rgba(126,140,255,.16);
      color:#dfe3ff;
      font-size:12px;
    }
    .category-link{
      margin-top:16px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      transition:var(--transition);
    }
    .category-link:hover,
    .category-link:focus-visible{
      background:linear-gradient(135deg, rgba(255,77,125,.2), rgba(255,179,77,.16));
      border-color:rgba(255,77,125,.22);
      transform:translateY(-1px);
      outline:none;
    }

    .content-grid{
      display:grid;
      grid-template-columns:1fr;
    }
    .updates-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:18px;
    }
    .updates-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .article-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .article-thumb{
      aspect-ratio:16/10;
      overflow:hidden;
      background:#101728;
    }
    .article-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .article-card:hover .article-thumb img{
      transform:scale(1.05);
    }
    .article-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px;
      flex:1;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px 10px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .article-meta .dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:rgba(255,255,255,.28);
    }
    .article-body h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
    }
    .article-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .article-body a{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-weight:700;
    }
    .article-body a span{
      transition:transform .25s ease;
    }
    .article-body a:hover span,
    .article-body a:focus-visible span{
      transform:translateX(4px);
    }
    .empty-state{
      padding:26px;
      border-radius:22px;
      border:1px dashed rgba(255,255,255,.18);
      color:#d9def7;
      background:rgba(255,255,255,.04);
      text-align:center;
    }

    .split-section{
      position:relative;
      overflow:hidden;
    }
    .split-shell{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      align-items:center;
      padding:28px;
      border-radius:32px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(140deg, rgba(15,20,38,.94), rgba(16,22,41,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .split-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .split-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .split-item .bullet{
      width:26px;
      height:26px;
      border-radius:10px;
      display:grid;
      place-items:center;
      flex:none;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      font-weight:800;
      font-size:13px;
      box-shadow:0 10px 20px rgba(255,77,125,.18);
    }
    .split-item strong{
      display:block;
      margin-bottom:4px;
      font-size:15px;
    }
    .split-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .split-visual{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:14px;
      align-items:stretch;
    }
    .visual-card{
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      box-shadow:var(--shadow-soft);
    }
    .visual-card img{
      width:100%;
      height:100%;
      min-height:220px;
      object-fit:cover;
    }
    .visual-stack{
      display:grid;
      gap:14px;
    }
    .floating-note{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
    }
    .floating-note .big{
      display:block;
      font-size:26px;
      font-weight:800;
      color:#fff;
      line-height:1.1;
      margin-bottom:8px;
    }
    .floating-note p{
      margin:0;
      color:var(--muted);
    }

    .step-card{
      padding:22px;
      position:relative;
    }
    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:46px;
      height:46px;
      padding:0 14px;
      border-radius:16px;
      font-weight:800;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 24px rgba(255,77,125,.18);
      margin-bottom:14px;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.07);
      color:#fff;
      flex:none;
      transition:var(--transition);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .faq-item .answer{
      padding:0 20px 18px;
      color:var(--muted);
    }

    .cta{
      padding:38px 0 12px;
    }
    .cta-shell{
      position:relative;
      overflow:hidden;
      padding:30px;
      border-radius:32px;
      background:
        linear-gradient(135deg, rgba(9,14,27,.92), rgba(12,19,38,.8)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }
    .cta-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
      flex-wrap:wrap;
    }
    .cta-copy{
      max-width:740px;
    }
    .cta-copy h2{
      margin:0 0 10px;
      font-size:clamp(26px, 3.2vw, 40px);
      line-height:1.16;
    }
    .cta-copy p{
      margin:0;
      color:#d7dcf5;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      padding:24px 0 38px;
      margin-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(7,11,21,.2), rgba(7,11,21,.42));
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      padding-top:14px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      font-weight:800;
      font-size:18px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:13px}
    .footer-text{
      color:var(--muted);
      max-width:62ch;
      margin:0;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:10px 16px;
      align-content:start;
    }
    .footer-links a{
      color:#dbe1fb;
      transition:var(--transition);
      padding:6px 0;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(3px);
      outline:none;
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#98a2c7;
      font-size:13px;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
    }

    .section-spacer{height:8px}

    .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;
    }

    @media (max-width: 1024px){
      .hero-inner,
      .split-shell,
      .footer-top{
        grid-template-columns:1fr;
      }
      .benefit-grid,
      .category-grid,
      .updates-grid,
      .step-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .showcase-main{min-height:300px}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-flex}
      .nav-wrap{
        position:relative;
        margin-left:auto;
      }
      .nav{
        position:absolute;
        right:0;
        top:58px;
        width:min(92vw, 360px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:12px;
        border-radius:22px;
        background:rgba(11,16,32,.96);
        border:1px solid rgba(255,255,255,.1);
        box-shadow:var(--shadow);
      }
      .nav.nav-open{display:flex}
      .nav a{width:100%;padding:13px 14px}
      .hero-inner,
      .split-shell,
      .cta-shell{
        padding:22px;
      }
      .hero{
        padding-top:24px;
      }
      .section{
        padding:28px 0;
      }
      .section-head,
      .updates-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .benefit-grid,
      .category-grid,
      .updates-grid,
      .step-grid,
      .split-visual{
        grid-template-columns:1fr;
      }
      .hero-search{
        max-width:none;
      }
      .showcase-main{min-height:250px}
      .footer-links{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 520px){
      .container{width:min(100% - 22px, var(--container))}
      .header-inner{min-height:68px}
      .brand span:last-child{font-size:16px}
      h1{font-size:clamp(30px, 12vw, 46px)}
      .hero p,
      .section-desc,
      .cta-copy p{
        font-size:15px;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .btn,.section-link{width:100%}
      .hero-actions .btn{flex:1}
      .hero-search{
        flex-direction:column;
      }
      .hero-search button{width:100%}
      .showcase-grid{
        grid-template-columns:1fr;
      }
      .info-card h3,
      .benefit-card h3,
      .step-card h3,
      .category-card h3,
      .article-body h3{
        font-size:17px;
      }
      .faq-item summary{
        padding:16px;
        font-size:15px;
      }
      .faq-item .answer{
        padding:0 16px 16px;
      }
    }

    .nav a:focus-visible,
    .btn:focus-visible,
    .hero-search input:focus-visible,
    .hero-search button:focus-visible,
    .category-link:focus-visible,
    .section-link:focus-visible{
      box-shadow:0 0 0 3px rgba(255,77,125,.24);
    }

/* roulang page: article */
:root{
      --bg:#0b0d12;
      --bg-soft:#11151d;
      --bg-elev:#151b24;
      --card:#171d28;
      --card-2:#1b2230;
      --text:#f3f6fb;
      --muted:#aab4c5;
      --faint:#74819a;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.12);
      --primary:#ff4d5e;
      --primary-2:#ff7a59;
      --accent:#f7c56b;
      --success:#2fd18e;
      --shadow:0 18px 60px rgba(0,0,0,.38);
      --shadow-soft:0 10px 30px rgba(0,0,0,.22);
      --r-lg:28px;
      --r-md:20px;
      --r-sm:14px;
      --container:1180px;
      --space:clamp(18px,2.2vw,28px);
      --space-lg:clamp(28px,4.5vw,56px);
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 800px at 15% 0%, rgba(255,77,94,.16), transparent 55%),
        radial-gradient(1000px 700px at 85% 15%, rgba(247,197,107,.14), transparent 50%),
        linear-gradient(180deg, #090b10 0%, #0b0d12 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,77,94,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(9,11,16,.72);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.3px;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 28px rgba(255,77,94,.35);
      flex:none;
    }
    .brand span:last-child,.footer-brand span:last-child{
      font-size:1.02rem;
    }
    .nav-wrap{display:flex;align-items:center;gap:12px}
    .nav-toggle{
      display:none;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(255,255,255,.04);
      width:42px;
      height:42px;
      border-radius:12px;
      cursor:pointer;
      transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
    }
    .nav-toggle:hover{background:rgba(255,255,255,.08);border-color:var(--line-2);transform:translateY(-1px)}
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav a,.footer-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
    }
    .nav a:hover,.footer-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:var(--line);
      transform:translateY(-1px);
    }
    .nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,77,94,.16), rgba(255,122,89,.12));
      border-color:rgba(255,77,94,.34);
      box-shadow:0 10px 24px rgba(255,77,94,.12);
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:clamp(28px,4vw,56px) 0 clamp(24px,4vw,36px);
    }
    .hero-shell{
      position:relative;
      border:1px solid var(--line);
      border-radius:calc(var(--r-lg) + 6px);
      overflow:hidden;
      box-shadow:var(--shadow);
      background:
        linear-gradient(180deg, rgba(9,11,16,.35), rgba(9,11,16,.82)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(255,77,94,.26), transparent 35%),
        linear-gradient(0deg, rgba(11,13,18,.78), rgba(11,13,18,.18));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:var(--space-lg);
      padding:clamp(24px,4vw,40px);
      align-items:center;
      min-height:460px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-size:.92rem;
      letter-spacing:.2px;
      margin-bottom:16px;
      width:fit-content;
    }
    .eyebrow-dot{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(47,209,142,.12);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem,4.2vw,4rem);
      line-height:1.12;
      letter-spacing:-.02em;
    }
    .hero p{
      margin:18px 0 0;
      color:rgba(243,246,251,.86);
      font-size:1.05rem;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      cursor:pointer;
      font-weight:700;
      transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(255,77,94,.25);
    }
    .btn-primary:hover{box-shadow:0 18px 40px rgba(255,77,94,.32)}
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.12);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18)}
    .hero-aside{
      display:grid;
      gap:14px;
    }
    .hero-card{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(15,18,24,.68);
      backdrop-filter:blur(10px);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .hero-cover{
      aspect-ratio:16/11;
      background:#10151d;
    }
    .hero-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .hero-card-body{
      padding:18px 18px 20px;
    }
    .hero-card-title{
      font-size:1.08rem;
      font-weight:800;
      margin:0 0 10px;
    }
    .hero-card-text{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
    }
    .meta-strip{
      margin-top:-12px;
      padding:0 0 var(--space-lg);
    }
    .meta-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .meta-item{
      border-radius:22px;
      padding:18px;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .meta-label{
      display:block;
      color:var(--faint);
      font-size:.88rem;
      margin-bottom:8px;
    }
    .meta-value{
      font-size:1rem;
      font-weight:700;
      color:#fff;
      word-break:break-all;
    }
    .section{
      padding:0 0 var(--space-lg);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section h2{
      margin:0;
      font-size:clamp(1.4rem,2.4vw,2rem);
      line-height:1.2;
    }
    .section .section-note{
      margin:0;
      color:var(--muted);
      max-width:58ch;
    }
    .content-card{
      background:linear-gradient(180deg, rgba(23,29,40,.96), rgba(17,21,29,.96));
      border:1px solid var(--line);
      border-radius:var(--r-lg);
      box-shadow:var(--shadow);
    }
    .article-content{
      padding:clamp(22px,3vw,36px);
    }
    .article-content :where(h2,h3,h4){
      margin:1.35em 0 .6em;
      line-height:1.25;
      letter-spacing:-.01em;
    }
    .article-content h2{font-size:1.45rem}
    .article-content h3{font-size:1.18rem}
    .article-content p{
      margin:.95em 0;
      color:rgba(243,246,251,.9);
    }
    .article-content ul,
    .article-content ol{
      margin:1em 0;
      padding-left:1.25rem;
      color:rgba(243,246,251,.9);
    }
    .article-content li{margin:.45em 0}
    .article-content blockquote{
      margin:1.3em 0;
      padding:18px 20px;
      border-left:4px solid var(--primary);
      border-radius:18px;
      background:rgba(255,77,94,.08);
      color:#fff;
    }
    .article-content img{
      border-radius:18px;
      margin:1.2em 0;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .article-content a{
      color:#ffd58a;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:1.2em 0;
      overflow:hidden;
      border-radius:18px;
      display:block;
    }
    .article-content table thead{
      background:rgba(255,255,255,.05);
    }
    .article-content table th,
    .article-content table td{
      padding:14px 16px;
      border-bottom:1px solid var(--line);
      text-align:left;
      color:rgba(243,246,251,.92);
    }
    .article-content hr{
      border:none;
      border-top:1px solid var(--line);
      margin:1.4em 0;
    }
    .empty-state{
      padding:42px 24px;
      text-align:center;
    }
    .empty-state h2{
      margin:0 0 10px;
      font-size:1.6rem;
    }
    .empty-state p{
      margin:0 0 22px;
      color:var(--muted);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .feature-card{
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(23,29,40,.98), rgba(17,21,29,.98));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,255,255,.14);
      box-shadow:0 18px 40px rgba(0,0,0,.3);
    }
    .feature-media{
      aspect-ratio:16/10;
      overflow:hidden;
      position:relative;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .feature-card:hover .feature-media img{transform:scale(1.05)}
    .feature-body{
      padding:18px;
    }
    .feature-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:#fff;
      font-size:.85rem;
      margin-bottom:12px;
    }
    .feature-tag::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
    }
    .feature-title{
      margin:0 0 10px;
      font-size:1.06rem;
      line-height:1.35;
    }
    .feature-text{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.08);
      color:#fff;
      flex:none;
      transition:transform .2s var(--ease), background .2s var(--ease);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(255,77,94,.18);
    }
    .faq-item .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
    }
    .cta{
      padding:0 0 36px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(135deg, rgba(255,77,94,.16), rgba(247,197,107,.1)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,12,17,.22), rgba(10,12,17,.82));
    }
    .cta-inner{
      position:relative;
      z-index:1;
      padding:clamp(24px,4vw,40px);
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
    }
    .cta h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem,2.8vw,2.4rem);
      line-height:1.2;
    }
    .cta p{
      margin:0;
      color:rgba(243,246,251,.86);
      max-width:62ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
      flex:none;
    }
    .site-footer{
      margin-top:auto;
      padding:30px 0 24px;
      border-top:1px solid var(--line);
      background:rgba(8,10,14,.75);
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:24px;
      padding-bottom:22px;
    }
    .footer-brand .brand-mark{width:34px;height:34px;border-radius:12px}
    .footer-text{
      margin:14px 0 0;
      color:var(--muted);
      max-width:38ch;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:640px;
    }
    .footer-bottom{
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;
      gap:12px 18px;
      flex-wrap:wrap;
      justify-content:space-between;
      color:var(--faint);
      font-size:.95rem;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      font-size:.9rem;
    }
    .tag b{color:#fff}
    .divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
      margin:24px 0;
    }
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible{
      outline:2px solid rgba(255,122,89,.9);
      outline-offset:3px;
    }
    @media (max-width: 1024px){
      .hero-inner{grid-template-columns:1fr;min-height:auto}
      .meta-grid{grid-template-columns:repeat(2,1fr)}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-grid;place-items:center}
      .nav{
        position:absolute;
        top:calc(100% + 10px);
        right:16px;
        left:16px;
        padding:12px;
        border-radius:20px;
        background:rgba(13,16,22,.96);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        display:grid;
        gap:8px;
        transform:translateY(-8px);
        opacity:0;
        pointer-events:none;
        transition:opacity .2s var(--ease), transform .2s var(--ease);
      }
      .nav.is-open{
        opacity:1;
        pointer-events:auto;
        transform:translateY(0);
      }
      .nav a{justify-content:flex-start;padding:0 14px}
      .meta-grid,.feature-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
      .hero h1{font-size:clamp(1.8rem,8vw,3rem)}
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .header-inner{min-height:68px}
      .brand span:last-child,.footer-brand span:last-child{font-size:.98rem}
      .hero-inner{padding:18px}
      .hero p{font-size:.98rem}
      .hero-actions,.cta-actions{width:100%}
      .btn{width:100%}
      .article-content{padding:18px}
      .feature-body,.hero-card-body,.meta-item{padding:16px}
      .faq-item summary,.faq-item .faq-body{padding-left:16px;padding-right:16px}
    }

/* roulang page: category1 */
:root{
      --bg:#08111e;
      --bg-soft:#0d1728;
      --surface:#101c31;
      --surface-2:#15233b;
      --surface-3:#1a2945;
      --text:#edf2ff;
      --muted:#97a7c3;
      --faint:#74839d;
      --primary:#8b5cf6;
      --primary-2:#22d3ee;
      --accent:#f97316;
      --good:#34d399;
      --border:rgba(148,163,184,.18);
      --border-strong:rgba(148,163,184,.28);
      --shadow:0 22px 70px rgba(4, 10, 22, .42);
      --shadow-soft:0 12px 34px rgba(4, 10, 22, .24);
      --radius:18px;
      --radius-lg:28px;
      --container:1180px;
      --space-1:8px;
      --space-2:12px;
      --space-3:16px;
      --space-4:20px;
      --space-5:28px;
      --space-6:36px;
      --space-7:48px;
      --space-8:72px;
      --trans:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(139,92,246,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(34,211,238,.12), transparent 24%),
        linear-gradient(180deg, #07111f 0%, #091321 100%);
      min-height:100vh;
      line-height:1.65;
      letter-spacing:.01em;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--trans), background var(--trans), border-color var(--trans), transform var(--trans), box-shadow var(--trans)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(139,92,246,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter: blur(18px);
      background:linear-gradient(180deg, rgba(8,17,30,.88), rgba(8,17,30,.68));
      border-bottom:1px solid rgba(148,163,184,.12);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.04em;
      color:var(--text);
      font-size:1.02rem;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      display:grid;
      place-items:center;
      font-size:.95rem;
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 10px 24px rgba(139,92,246,.28);
    }
    .nav-wrap{display:flex;align-items:center;gap:12px}
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--border);
      border-radius:14px;
      background:rgba(16,28,49,.86);
      color:var(--text);
      box-shadow:var(--shadow-soft);
    }
    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(16,28,49,.72);
      box-shadow:var(--shadow-soft);
    }
    .nav a{
      padding:11px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:600;
      font-size:.96rem;
      line-height:1;
    }
    .nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .nav a.active,
    .nav a[aria-current="page"]{
      color:#fff;
      background:linear-gradient(135deg, rgba(139,92,246,.95), rgba(34,211,238,.78));
      box-shadow:0 10px 24px rgba(34,211,238,.16);
    }
    .page-main{padding-bottom:var(--space-8)}
    .hero{
      position:relative;
      margin-top:24px;
      border:1px solid rgba(148,163,184,.14);
      border-radius:32px;
      overflow:hidden;
      box-shadow:var(--shadow);
      background:
        linear-gradient(135deg, rgba(6,12,22,.76), rgba(7,14,25,.52)),
        var(--hero-bg) center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(8,17,30,.15), rgba(8,17,30,.64)),
        linear-gradient(90deg, rgba(8,17,30,.76) 0%, rgba(8,17,30,.35) 56%, rgba(8,17,30,.08) 100%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.16fr .84fr;
      gap:34px;
      padding:42px;
      align-items:stretch;
      min-height:640px;
    }
    .crumbs{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color:rgba(237,242,255,.82);
      font-size:.92rem;
      margin-bottom:18px;
    }
    .crumbs a{
      color:rgba(237,242,255,.78);
    }
    .crumbs a:hover{color:#fff}
    .crumbs span{
      color:rgba(237,242,255,.46);
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:20px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.09);
      backdrop-filter:blur(10px);
      font-size:.9rem;
    }
    .badge strong{
      color:#fff;
      font-weight:700;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.35rem, 5vw, 4.9rem);
      line-height:1.05;
      letter-spacing:-.04em;
      max-width:11ch;
    }
    .hero p{
      margin:18px 0 0;
      color:rgba(237,242,255,.86);
      font-size:1.06rem;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), #6d8cff);
      box-shadow:0 14px 28px rgba(139,92,246,.28);
    }
    .btn-primary:hover{box-shadow:0 16px 32px rgba(139,92,246,.34)}
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.12);
      backdrop-filter:blur(8px);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.11);
      border-color:rgba(255,255,255,.2);
    }
    .search-box{
      margin-top:28px;
      display:flex;
      gap:10px;
      padding:12px;
      border-radius:22px;
      background:rgba(7,15,27,.58);
      border:1px solid rgba(148,163,184,.16);
      box-shadow:var(--shadow-soft);
      max-width:640px;
    }
    .search-box input{
      flex:1;
      min-width:0;
      border:none;
      outline:none;
      color:var(--text);
      background:transparent;
      padding:8px 10px;
    }
    .search-box input::placeholder{color:#9dacbf}
    .search-box .btn{
      min-height:44px;
      border-radius:12px;
      flex:0 0 auto;
    }
    .hero-side{
      display:flex;
      flex-direction:column;
      gap:16px;
      min-width:0;
    }
    .visual-card{
      position:relative;
      flex:1;
      min-height:360px;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(180deg, rgba(6,12,22,.12), rgba(6,12,22,.65)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft);
    }
    .visual-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(8,17,30,.08) 0%, rgba(8,17,30,.14) 30%, rgba(8,17,30,.74) 100%);
    }
    .visual-caption{
      position:absolute;
      inset:auto 18px 18px 18px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:10px;
      color:#fff;
    }
    .visual-caption h2{
      margin:0;
      font-size:1.35rem;
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .visual-caption p{
      margin:0;
      color:rgba(255,255,255,.82);
      font-size:.96rem;
      max-width:30ch;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .mini-box{
      padding:16px 14px;
      border-radius:20px;
      background:rgba(16,28,49,.72);
      border:1px solid rgba(148,163,184,.14);
      box-shadow:var(--shadow-soft);
    }
    .mini-box strong{
      display:block;
      font-size:1rem;
      margin-bottom:6px;
    }
    .mini-box span{
      color:var(--muted);
      font-size:.92rem;
      line-height:1.45;
    }
    .section{
      padding-top:var(--space-8);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:end;
      margin-bottom:24px;
    }
    .section-title{
      margin:0 0 8px;
      font-size:clamp(1.6rem, 3vw, 2.4rem);
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .section-desc{
      margin:0;
      max-width:68ch;
      color:var(--muted);
    }
    .section-link{
      color:#fff;
      font-weight:700;
      padding:10px 0;
      white-space:nowrap;
    }
    .section-link:hover{color:rgba(34,211,238,.95)}
    .category-grid{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:18px;
    }
    .category-card{
      position:relative;
      display:flex;
      flex-direction:column;
      min-height:100%;
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(16,28,49,.95), rgba(12,20,36,.96));
      border:1px solid rgba(148,163,184,.14);
      box-shadow:var(--shadow-soft);
      transform:translateY(0);
    }
    .category-card:hover{
      transform:translateY(-4px);
      border-color:rgba(139,92,246,.36);
      box-shadow:0 18px 40px rgba(4,10,22,.34);
    }
    .card-media{
      position:relative;
      aspect-ratio: 4 / 3;
      background:#111a2c;
      overflow:hidden;
    }
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .category-card:hover .card-media img{transform:scale(1.04)}
    .card-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .card-tagline{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(139,92,246,.15);
      color:#d9d2ff;
      border:1px solid rgba(139,92,246,.24);
      font-size:.84rem;
      font-weight:700;
    }
    .tag.alt{
      background:rgba(34,211,238,.12);
      border-color:rgba(34,211,238,.25);
      color:#bcefff;
    }
    .category-card h3{
      margin:0;
      font-size:1.08rem;
      line-height:1.28;
    }
    .category-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      flex:1;
    }
    .card-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding-top:4px;
    }
    .card-foot .arrow{
      color:#fff;
      font-size:1.3rem;
      line-height:1;
      transition:transform var(--trans);
    }
    .category-card:hover .arrow{transform:translateX(2px)}
    .current-highlight{
      outline:2px solid rgba(34,211,238,.28);
      box-shadow:0 20px 42px rgba(34,211,238,.12), var(--shadow-soft);
    }
    .current-highlight .tag{
      background:rgba(52,211,153,.16);
      border-color:rgba(52,211,153,.28);
      color:#ccffee;
    }
    .feature-split{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-panel,
    .text-panel,
    .faq-panel,
    .cta-panel{
      border-radius:28px;
      border:1px solid rgba(148,163,184,.14);
      background:linear-gradient(180deg, rgba(16,28,49,.92), rgba(12,20,36,.96));
      box-shadow:var(--shadow-soft);
    }
    .feature-panel{
      padding:26px;
    }
    .feature-list{
      display:grid;
      gap:14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .feature-list li{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:14px 0;
      border-bottom:1px solid rgba(148,163,184,.12);
    }
    .feature-list li:last-child{border-bottom:none;padding-bottom:0}
    .icon-dot{
      width:34px;
      height:34px;
      flex:0 0 auto;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg, rgba(139,92,246,.96), rgba(34,211,238,.76));
      box-shadow:0 10px 24px rgba(139,92,246,.18);
    }
    .feature-list h4{
      margin:0 0 4px;
      font-size:1.02rem;
    }
    .feature-list p{
      margin:0;
      color:var(--muted);
    }
    .image-panel{
      position:relative;
      overflow:hidden;
      min-height:100%;
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(8,17,30,.08), rgba(8,17,30,.62)),
        url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
      border:1px solid rgba(148,163,184,.14);
      box-shadow:var(--shadow-soft);
    }
    .image-overlay{
      position:absolute;
      inset:auto 18px 18px 18px;
      padding:18px;
      border-radius:20px;
      background:rgba(7,15,27,.66);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(8px);
    }
    .image-overlay strong{
      display:block;
      font-size:1.08rem;
      margin-bottom:6px;
    }
    .image-overlay span{
      color:#d2dbeb;
      font-size:.94rem;
    }
    .scene-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:18px;
    }
    .scene-card{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(16,28,49,.96), rgba(12,20,36,.96));
      border:1px solid rgba(148,163,184,.14);
      box-shadow:var(--shadow-soft);
    }
    .scene-card h3{
      margin:0 0 10px;
      font-size:1.08rem;
    }
    .scene-card p{
      margin:0;
      color:var(--muted);
    }
    .scene-card .tag{
      margin-bottom:14px;
    }
    .faq-panel{
      overflow:hidden;
    }
    .faq-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .faq-item + .faq-item{border-top:1px solid rgba(148,163,184,.12)}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:22px 24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:hover{background:rgba(255,255,255,.02)}
    .faq-item summary span{
      display:inline-flex;
      align-items:center;
      gap:10px;
    }
    .faq-item summary .plus{
      width:30px;
      height:30px;
      flex:0 0 auto;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      transition:transform var(--trans);
    }
    .faq-item[open] summary .plus{transform:rotate(45deg)}
    .faq-content{
      padding:0 24px 22px;
      color:var(--muted);
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:30px;
      background:
        linear-gradient(135deg, rgba(139,92,246,.16), rgba(34,211,238,.10)),
        linear-gradient(180deg, rgba(16,28,49,.96), rgba(12,20,36,.98));
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:auto -60px -120px auto;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(34,211,238,.24), rgba(34,211,238,0) 70%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
    }
    .cta-inner h2{
      margin:0 0 10px;
      font-size:clamp(1.55rem, 3vw, 2.2rem);
      line-height:1.2;
    }
    .cta-inner p{
      margin:0;
      color:var(--muted);
      max-width:58ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .site-footer{
      margin-top:var(--space-8);
      padding:34px 0 24px;
      border-top:1px solid rgba(148,163,184,.12);
      background:rgba(6,12,22,.48);
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:24px;
      padding-bottom:24px;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-text{
      margin:0;
      color:var(--muted);
      max-width:44ch;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 18px;
      max-width:520px;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:600;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.12);
      color:var(--faint);
      font-size:.95rem;
    }
    .focusable:focus,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(34,211,238,.38);
      outline-offset:2px;
    }
    @media (max-width: 1100px){
      .hero-inner{grid-template-columns:1fr; min-height:auto}
      .feature-split{grid-template-columns:1fr}
      .category-grid{grid-template-columns:repeat(2, 1fr)}
      .scene-grid{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:repeat(3,1fr)}
      .cta-inner{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 860px){
      .nav-toggle{display:inline-grid;place-items:center}
      .nav{
        position:absolute;
        top:calc(100% + 12px);
        right:16px;
        left:16px;
        display:grid;
        gap:8px;
        padding:12px;
        border-radius:22px;
        transform-origin:top;
        transform:scaleY(.92);
        opacity:0;
        pointer-events:none;
        transition:opacity var(--trans), transform var(--trans), visibility var(--trans);
        visibility:hidden;
      }
      .nav.is-open{
        opacity:1;
        pointer-events:auto;
        transform:scaleY(1);
        visibility:visible;
      }
      .nav a{border-radius:14px;padding:14px 16px}
      .header-inner{position:relative}
      .hero{border-radius:28px}
      .hero-inner{padding:28px}
      .search-box{flex-direction:column}
      .mini-grid{grid-template-columns:1fr}
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
      .section-head{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .header-inner{min-height:72px}
      .brand{font-size:.98rem}
      .hero-inner{padding:22px}
      .hero h1{max-width:none}
      .hero p{font-size:1rem}
      .category-grid{grid-template-columns:1fr}
      .faq-item summary,
      .faq-content{padding-left:18px;padding-right:18px}
      .feature-panel,
      .cta-panel,
      .scene-card{padding:18px}
      .visual-card{min-height:280px}
      .card-body{padding:16px}
      .site-footer{padding-top:28px}
    }

/* roulang page: category3 */
:root{
      --bg:#08101f;
      --bg-soft:#0d1730;
      --surface:#0f1a33;
      --surface-2:#132143;
      --surface-3:#18284f;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.16);
      --text:#e8eefc;
      --muted:#aab7d5;
      --brand:#ff6a3d;
      --brand-2:#ffb347;
      --accent:#6cc6ff;
      --success:#5dd6a5;
      --shadow:0 16px 40px rgba(0,0,0,.28);
      --shadow-lg:0 24px 60px rgba(0,0,0,.40);
      --radius:16px;
      --radius-lg:24px;
      --container:1180px;
      --transition:180ms 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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,106,61,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(108,198,255,.14), transparent 26%),
        linear-gradient(180deg, #07101e 0%, #091225 48%, #070c16 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }

    img{
      display:block;
      max-width:100%;
      height:auto;
      border:0;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    }

    button,
    input,
    textarea,
    select{
      font:inherit;
    }

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

    ::selection{
      background:rgba(255,106,61,.35);
      color:#fff;
    }

    :focus-visible{
      outline:3px solid rgba(108,198,255,.72);
      outline-offset:2px;
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(16px);
      background:rgba(6,10,20,.72);
      border-bottom:1px solid var(--line);
    }

    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }

    .brand,
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.2px;
    }

    .brand{
      font-size:1.05rem;
      color:var(--text);
      white-space:nowrap;
    }

    .brand-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      display:inline-grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 24px rgba(255,106,61,.34);
      font-size:1rem;
      flex:none;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      gap:12px;
    }

    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      box-shadow:0 10px 30px rgba(0,0,0,.12);
    }

    .nav a{
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:.96rem;
      font-weight:600;
      line-height:1;
      white-space:nowrap;
    }

    .nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
    }

    .nav a.active,
    .nav a[aria-current="page"]{
      color:#111827;
      background:linear-gradient(135deg, #ffd5b6, #ff9d6d);
      box-shadow:0 10px 20px rgba(255,157,109,.24);
    }

    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
      color:#fff;
      font-size:1.1rem;
      line-height:1;
    }

    .hero-banner{
      position:relative;
      overflow:hidden;
      padding:74px 0 26px;
      background:
        linear-gradient(180deg, rgba(7,12,22,.30), rgba(7,12,22,.90)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }

    .hero-banner::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 22%, rgba(255,106,61,.28), transparent 26%),
        radial-gradient(circle at 80% 20%, rgba(108,198,255,.22), transparent 22%),
        linear-gradient(180deg, rgba(4,8,16,.14), rgba(4,8,16,.54));
      pointer-events:none;
    }

    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
      gap:28px;
      align-items:center;
      padding-bottom:16px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      background:rgba(8,16,31,.48);
      color:#f8ccae;
      font-size:.92rem;
      font-weight:700;
      letter-spacing:.5px;
      margin:0 0 16px;
      box-shadow:0 12px 28px rgba(0,0,0,.18);
      backdrop-filter:blur(10px);
    }

    .hero-copy h1{
      margin:0;
      font-size:clamp(2.2rem, 4vw, 4rem);
      line-height:1.08;
      letter-spacing:-.02em;
      max-width:12ch;
      text-wrap:balance;
    }

    .hero-copy p{
      margin:18px 0 0;
      color:#dce5fb;
      font-size:1.04rem;
      max-width:58ch;
      text-wrap:pretty;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 18px;
      border-radius:14px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
      white-space:nowrap;
    }

    .btn:hover{
      transform:translateY(-1px);
      box-shadow:var(--shadow);
    }

    .btn:active{
      transform:translateY(0);
      box-shadow:none;
    }

    .btn-primary{
      color:#1c1a16;
      background:linear-gradient(135deg, #ffd7bb, #ff9d6d);
      box-shadow:0 16px 28px rgba(255,106,61,.28);
    }

    .btn-ghost{
      color:#eef3ff;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.12);
    }

    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }

    .meta-chip{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#eff4ff;
      font-size:.92rem;
      font-weight:600;
    }

    .hero-panel{
      position:relative;
      display:grid;
      gap:14px;
      padding:16px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:24px;
      background:
        linear-gradient(180deg, rgba(18,30,58,.84), rgba(10,16,31,.88));
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }

    .hero-panel::after{
      content:"";
      position:absolute;
      inset:auto -25% -30% auto;
      width:180px;
      height:180px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,183,71,.22), transparent 68%);
      pointer-events:none;
    }

    .hero-card-image{
      position:relative;
      aspect-ratio:16/10;
      border-radius:20px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
      background:var(--surface);
      box-shadow:0 18px 34px rgba(0,0,0,.24);
    }

    .hero-card-image img{
      width:100%;
      height:100%;
      object-fit:cover;
    }

    .hero-card-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 38%, rgba(3,6,12,.75) 100%);
      pointer-events:none;
    }

    .panel-body{
      position:relative;
      display:grid;
      gap:12px;
    }

    .panel-body h2{
      margin:0;
      font-size:1.05rem;
      letter-spacing:.2px;
    }

    .panel-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }

    .panel-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dce5fb;
    }

    .panel-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:6px;
      background:linear-gradient(135deg, var(--brand-2), var(--brand));
      box-shadow:0 0 0 4px rgba(255,106,61,.12);
      flex:none;
    }

    main{
      display:block;
    }

    .section{
      padding:70px 0;
    }

    .section.alt{
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
      border-top:1px solid rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.04);
    }

    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:26px;
    }

    .section-head h2{
      margin:0;
      font-size:clamp(1.5rem, 2vw, 2.1rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }

    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:60ch;
    }

    .card-grid{
      display:grid;
      gap:16px;
    }

    .card-grid.three{
      grid-template-columns:repeat(3, minmax(0, 1fr));
    }

    .card-grid.four{
      grid-template-columns:repeat(4, minmax(0, 1fr));
    }

    .info-card,
    .category-card,
    .visual-card,
    .faq-card,
    .cta-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(19,33,67,.92), rgba(12,19,36,.94));
      box-shadow:var(--shadow);
    }

    .info-card{
      padding:22px;
      display:grid;
      gap:14px;
      min-height:100%;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .info-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 20px 42px rgba(0,0,0,.34);
    }

    .info-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      font-size:1.08rem;
      color:#fff;
      background:linear-gradient(135deg, rgba(255,106,61,.95), rgba(255,179,71,.95));
      box-shadow:0 12px 24px rgba(255,106,61,.22);
    }

    .info-card h3{
      margin:0;
      font-size:1.06rem;
    }

    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:.97rem;
    }

    .label-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }

    .label{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe6fb;
      font-size:.85rem;
      font-weight:600;
    }

    .category-card{
      overflow:hidden;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      display:flex;
      flex-direction:column;
    }

    .category-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 22px 46px rgba(0,0,0,.36);
    }

    .category-card.active{
      border-color:rgba(255,183,71,.46);
      box-shadow:0 20px 42px rgba(255,106,61,.12);
    }

    .category-thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:var(--surface-2);
    }

    .category-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
      transition:transform 260ms ease;
    }

    .category-card:hover .category-thumb img{
      transform:scale(1.06);
    }

    .category-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(4,8,16,.80) 100%);
    }

    .category-tag{
      position:absolute;
      left:14px;
      top:14px;
      z-index:1;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(7,12,22,.66);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-size:.82rem;
      font-weight:700;
      backdrop-filter:blur(8px);
    }

    .category-body{
      padding:18px;
      display:grid;
      gap:10px;
    }

    .category-body h3{
      margin:0;
      font-size:1.05rem;
      line-height:1.25;
    }

    .category-body p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }

    .category-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:4px;
    }

    .mini-link{
      color:#ffd9bf;
      font-weight:700;
      font-size:.92rem;
    }

    .mini-link:hover{
      color:#fff;
    }

    .process-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(320px,.92fr);
      gap:18px;
      align-items:stretch;
    }

    .visual-card{
      position:relative;
      overflow:hidden;
      min-height:100%;
    }

    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:100%;
    }

    .visual-card .overlay{
      position:absolute;
      inset:auto 0 0 0;
      padding:18px;
      background:linear-gradient(180deg, transparent, rgba(4,8,16,.86));
      display:grid;
      gap:8px;
    }

    .visual-card .overlay h3,
    .visual-card .overlay p{
      margin:0;
    }

    .visual-card .overlay p{
      color:#dae5fb;
      font-size:.94rem;
    }

    .steps{
      display:grid;
      gap:14px;
    }

    .step{
      display:flex;
      gap:14px;
      padding:18px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid var(--line);
    }

    .step-index{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      flex:none;
      font-weight:800;
      color:#171210;
      background:linear-gradient(135deg, #ffe1c8, #ffab7f);
      box-shadow:0 12px 24px rgba(255,106,61,.16);
    }

    .step h3{
      margin:0 0 6px;
      font-size:1.02rem;
    }

    .step p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }

    .gallery-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }

    .gallery-card{
      overflow:hidden;
      position:relative;
      border:1px solid var(--line);
      border-radius:22px;
      background:var(--surface);
      box-shadow:var(--shadow);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .gallery-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 22px 40px rgba(0,0,0,.34);
    }

    .gallery-card img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
    }

    .gallery-body{
      padding:18px;
      display:grid;
      gap:10px;
    }

    .gallery-body h3{
      margin:0;
      font-size:1.02rem;
    }

    .gallery-body p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }

    .note-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }

    .note-list li{
      display:flex;
      gap:10px;
      color:#dce5fb;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
    }

    .note-list span{
      color:var(--brand-2);
      font-weight:800;
      flex:none;
    }

    .faq-list{
      display:grid;
      gap:12px;
      max-width:920px;
    }

    details.faq-card{
      padding:0;
      overflow:hidden;
    }

    details.faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text);
    }

    details.faq-card summary::-webkit-details-marker{
      display:none;
    }

    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
    }

    .faq-answer p{
      margin:0;
    }

    .faq-arrow{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      flex:none;
      color:#ffd3b7;
      transition:transform var(--transition), background-color var(--transition);
    }

    details[open] .faq-arrow{
      transform:rotate(180deg);
      background:rgba(255,183,71,.14);
    }

    .cta-card{
      padding:28px;
      display:grid;
      gap:18px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at top right, rgba(255,179,71,.20), transparent 24%),
        linear-gradient(135deg, rgba(255,106,61,.16), rgba(19,33,67,.96) 34%, rgba(12,19,36,.98));
    }

    .cta-card::before{
      content:"";
      position:absolute;
      inset:auto -12% -24% auto;
      width:260px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(108,198,255,.14), transparent 68%);
      pointer-events:none;
    }

    .cta-card h2{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 2rem);
    }

    .cta-card p{
      margin:0;
      color:#dbe5fb;
      max-width:62ch;
    }

    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }

    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(5,8,16,.92);
      padding:34px 0 20px;
    }

    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:24px;
      padding-bottom:22px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    .footer-brand{
      font-size:1.03rem;
      margin-bottom:12px;
    }

    .footer-text{
      margin:0;
      color:var(--muted);
      max-width:34rem;
    }

    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 14px;
      max-width:520px;
    }

    .footer-links a{
      color:var(--muted);
      padding:8px 10px;
      border-radius:999px;
    }

    .footer-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
    }

    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      padding-top:16px;
      color:#95a4c8;
      font-size:.92rem;
    }

    .muted{
      color:var(--muted);
    }

    .quick-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }

    .quick-badges .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#e9efff;
      font-size:.9rem;
      font-weight:600;
    }

    .badge i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand-2), var(--brand));
      display:inline-block;
    }

    @media (max-width: 1080px){
      .hero-inner,
      .process-layout{
        grid-template-columns:1fr;
      }

      .card-grid.four{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }

      .card-grid.three{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }

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

    @media (max-width: 768px){
      .site-header{
        position:sticky;
      }

      .header-inner{
        min-height:68px;
      }

      .nav-toggle{
        display:inline-grid;
        place-items:center;
      }

      .nav{
        position:absolute;
        right:16px;
        top:76px;
        width:min(320px, calc(100vw - 32px));
        padding:10px;
        border-radius:22px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:rgba(10,15,28,.96);
        box-shadow:var(--shadow-lg);
      }

      .nav.open{
        display:flex;
      }

      .nav a{
        width:100%;
        border-radius:14px;
      }

      .hero-banner{
        padding:48px 0 20px;
      }

      .hero-copy h1{
        max-width:none;
      }

      .section{
        padding:54px 0;
      }

      .section-head{
        margin-bottom:20px;
      }

      .card-grid.three,
      .card-grid.four{
        grid-template-columns:1fr;
      }

      .footer-top{
        flex-direction:column;
      }

      .footer-links{
        justify-content:flex-start;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }

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

      .btn{
        width:100%;
      }

      .hero-panel,
      .cta-card{
        padding:14px;
        border-radius:20px;
      }

      .category-body,
      .info-card,
      .step,
      details.faq-card summary,
      .faq-answer{
        padding-left:16px;
        padding-right:16px;
      }

      .category-body{
        padding-top:16px;
        padding-bottom:16px;
      }

      .panel-list li{
        padding:10px;
      }
    }

/* roulang page: category4 */
:root{
      --bg:#0b0d14;
      --bg-soft:#121624;
      --bg-card:#171c2b;
      --bg-elevated:#202639;
      --primary:#ff4d7d;
      --primary-2:#ff8a3d;
      --accent:#7c5cff;
      --text:#f7f8fc;
      --muted:#a9b1c7;
      --muted-2:#737c96;
      --border:rgba(255,255,255,.11);
      --border-strong:rgba(255,255,255,.18);
      --shadow:0 22px 60px rgba(0,0,0,.38);
      --shadow-soft:0 14px 36px rgba(0,0,0,.22);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
      --header-h:74px;
      --focus:0 0 0 4px rgba(255,77,125,.22);
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%,rgba(255,77,125,.18),transparent 30%),
        radial-gradient(circle at 86% 18%,rgba(124,92,255,.16),transparent 28%),
        linear-gradient(180deg,#090b12 0%,#101421 52%,#0b0d14 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      border-bottom:1px solid var(--border);
      background:rgba(11,13,20,.78);
      backdrop-filter:blur(18px);
    }
    .header-inner{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand{font-size:20px}
    .brand-mark{
      width:38px;
      height:38px;
      display:inline-grid;
      place-items:center;
      border-radius:14px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 10px 28px rgba(255,77,125,.28);
      font-weight:900;
    }
    .nav-wrap{display:flex;align-items:center;gap:10px}
    .nav{display:flex;align-items:center;gap:7px}
    .nav a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:color .2s ease,background .2s ease,transform .2s ease;
    }
    .nav a:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateY(-1px)}
    .nav a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,77,125,.95),rgba(124,92,255,.82));
      box-shadow:0 12px 28px rgba(255,77,125,.18);
    }
    .nav-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid var(--border);
    }
    .nav-toggle:focus-visible,.btn:focus-visible,.feature-card:focus-within,.faq-item summary:focus-visible{outline:none;box-shadow:var(--focus)}
    .hero{
      position:relative;
      padding:86px 0 56px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(11,13,20,.93) 0%,rgba(11,13,20,.76) 45%,rgba(11,13,20,.92) 100%),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      opacity:.9;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:560px;
      height:560px;
      right:-180px;
      top:-160px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,77,125,.22),transparent 65%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:44px;
      align-items:center;
    }
    .crumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:18px;
      color:var(--muted);
      font-size:14px;
    }
    .crumb a{color:#fff;font-weight:700}
    .pill,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--border-strong);
      border-radius:999px;
      color:#ffdbe5;
      background:rgba(255,255,255,.08);
      font-size:13px;
      font-weight:800;
    }
    .hero h1{
      max-width:780px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.045em;
      margin:14px 0 20px;
    }
    .lead{
      max-width:760px;
      color:#d7dcec;
      font-size:18px;
      line-height:1.9;
    }
    .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 18px;
      border-radius:999px;
      font-weight:900;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 32px rgba(255,77,125,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px rgba(255,77,125,.34)}
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid var(--border-strong);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.13);transform:translateY(-2px)}
    .hero-panel{
      position:relative;
      border:1px solid var(--border-strong);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:rgba(23,28,43,.72);
      box-shadow:var(--shadow);
    }
    .hero-panel img{width:100%;height:430px;object-fit:cover;filter:saturate(1.08) contrast(1.05)}
    .panel-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:18px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:22px;
      background:rgba(9,11,18,.74);
      backdrop-filter:blur(16px);
    }
    .panel-caption strong{display:block;font-size:20px;margin-bottom:6px}
    .panel-caption p{color:var(--muted);font-size:14px}
    .section{padding:72px 0}
    .section-tight{padding:54px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{max-width:760px}
    .section-title h2{
      font-size:clamp(26px,3.2vw,42px);
      line-height:1.2;
      letter-spacing:-.03em;
      margin-bottom:12px;
    }
    .section-title p{color:var(--muted);font-size:16px}
    .grid{display:grid;gap:20px}
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
    .card,.feature-card,.scene-card,.faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
    }
    .feature-card{
      padding:24px;
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .feature-card:hover{transform:translateY(-5px);border-color:rgba(255,77,125,.35);background:rgba(255,255,255,.075)}
    .icon{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      margin-bottom:18px;
      background:linear-gradient(135deg,rgba(255,77,125,.22),rgba(124,92,255,.18));
      border:1px solid rgba(255,255,255,.13);
      font-size:22px;
    }
    .feature-card h3,.scene-card h3{font-size:20px;margin-bottom:10px}
    .feature-card p,.scene-card p{color:var(--muted);font-size:15px}
    .rank-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:24px;
      align-items:stretch;
    }
    .visual-card{
      position:relative;
      min-height:440px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .visual-card img{width:100%;height:100%;object-fit:cover}
    .visual-card .shade{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(11,13,20,.1),rgba(11,13,20,.88));
    }
    .visual-text{
      position:absolute;
      left:24px;
      right:24px;
      bottom:24px;
    }
    .visual-text h2{font-size:30px;line-height:1.25;margin:12px 0 8px}
    .visual-text p{color:#dce2f5}
    .rank-list{display:grid;gap:14px}
    .rank-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .rank-item:hover{transform:translateX(4px);border-color:rgba(255,138,61,.35);background:rgba(255,255,255,.08)}
    .rank-num{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:#fff;
      font-weight:900;
      background:rgba(255,255,255,.09);
      border:1px solid var(--border);
    }
    .rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,var(--primary),var(--primary-2))}
    .rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,var(--accent),#29d3ff)}
    .rank-item strong{display:block;font-size:18px;margin-bottom:3px}
    .rank-item span{color:var(--muted);font-size:14px}
    .score{
      color:#ffd5df;
      font-weight:900;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,77,125,.12);
      border:1px solid rgba(255,77,125,.22);
    }
    .scene-card{
      overflow:hidden;
       transition:transform .2s ease,border-color .2s ease;
    }
    .scene-card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.34)}
    .scene-card img{
      width:100%;
      height:192px;
      object-fit:cover;
    }
    .scene-body{padding:20px}
    .scene-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      color:#dce2f5;
      font-size:13px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.05);
    }
    .list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
    }
    .list li::before{
      content:"";
      width:10px;
      height:10px;
      margin-top:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 0 4px rgba(255,77,125,.12);
      flex:0 0 auto;
    }
    .faq{
      display:grid;
      gap:14px;
    }
    .faq-item{
      overflow:hidden;
      background:rgba(255,255,255,.048);
    }
    .faq-item summary{
      list-style:none;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      cursor:pointer;
      font-size:17px;
      font-weight:800;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary span{
      color:var(--muted);
      font-size:22px;
      line-height:1;
      transition:transform .2s ease;
    }
    .faq-item[open] summary span{transform:rotate(45deg)}
    .faq-body{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .cta{
      position:relative;
      overflow:hidden;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(255,77,125,.18),rgba(124,92,255,.15)),
        rgba(255,255,255,.045);
      box-shadow:var(--shadow);
    }
    .cta::after{
      content:"";
      position:absolute;
      width:340px;
      height:340px;
      right:-120px;
      top:-120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,255,255,.12),transparent 68%);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.12fr auto;
      gap:20px;
      align-items:center;
    }
    .cta h2{font-size:clamp(24px,3vw,38px);line-height:1.2;margin-bottom:12px}
    .cta p{color:#eef1fa;max-width:720px}
    .cta .btn{min-width:156px}
    .site-footer{
      margin-top:24px;
      padding:34px 0 26px;
      border-top:1px solid var(--border);
      background:rgba(6,8,13,.55);
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:22px;
      padding-bottom:22px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-brand{font-size:18px;margin-bottom:12px}
    .footer-text{max-width:460px;color:var(--muted);font-size:14px;line-height:1.8}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:600px;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      border:1px solid transparent;
      transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.1);
      transform:translateY(-1px);
    }
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      padding-top:18px;
      color:var(--muted-2);
      font-size:13px;
    }
    .mini-note{
      color:var(--muted);
      font-size:14px;
      margin-top:16px;
    }
    @media (max-width: 1080px){
      .hero-grid,.rank-wrap,.cta-inner{grid-template-columns:1fr}
      .hero{padding-top:66px}
      .visual-card{min-height:360px}
      .grid-4{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 768px){
      :root{--header-h:68px}
      .container{width:min(100% - 28px,var(--container))}
      .nav-toggle{display:inline-grid;place-items:center}
      .nav{
        position:absolute;
        top:calc(var(--header-h) - 6px);
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:12px;
        border-radius:22px;
        border:1px solid var(--border);
        background:rgba(12,15,23,.96);
        box-shadow:var(--shadow);
      }
      .nav.is-open{display:flex}
      .nav a{padding:12px 14px}
      .section{padding:58px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .grid-3,.grid-4{grid-template-columns:1fr}
      .hero h1{font-size:clamp(31px,9vw,46px)}
      .lead{font-size:16px}
      .hero-panel img{height:320px}
      .footer-top,.footer-bottom{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 520px){
      .hero{padding:56px 0 42px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .rank-item{grid-template-columns:auto 1fr}
      .score{grid-column:2 / -1;justify-self:start}
      .visual-text{left:16px;right:16px;bottom:16px}
      .visual-text h2{font-size:24px}
      .faq-item summary{padding:18px}
      .faq-body{padding:0 18px 18px}
      .cta{padding:22px}
    }

/* roulang page: category2 */
:root{
      --bg:#08111f;
      --bg-deep:#0b1220;
      --bg-soft:rgba(15,23,42,.82);
      --surface:rgba(15,23,42,.78);
      --surface-2:rgba(17,24,39,.88);
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(248,113,113,.26);
      --text:#f8fafc;
      --muted:#b8c0d9;
      --muted-2:#93a1bd;
      --primary:#f43f5e;
      --primary-2:#fb7185;
      --accent:#f59e0b;
      --success:#22c55e;
      --shadow:0 24px 80px rgba(2,6,23,.42);
      --shadow-soft:0 14px 34px rgba(2,6,23,.26);
      --radius:22px;
      --radius-sm:14px;
      --radius-xs:10px;
      --container:1180px;
      --gap:24px;
      --transition:all .26s ease;
      --header-h:76px;
    }
    *{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);
      line-height:1.7;
      background:
        radial-gradient(circle at top left, rgba(244,63,94,.18), transparent 35%),
        radial-gradient(circle at 85% 15%, rgba(245,158,11,.12), transparent 32%),
        linear-gradient(180deg, #08111f 0%, #0b1220 45%, #0d1427 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.36), transparent 80%);
      opacity:.42;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(244,63,94,.32);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(16px);
      background:rgba(7,11,20,.72);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand{
      font-size:1.08rem;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--primary), var(--accent));
      color:#fff;
      box-shadow:0 14px 28px rgba(244,63,94,.28);
      flex:0 0 auto;
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:14px;
    }
    .nav-toggle{
      display:none;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      width:46px;
      height:46px;
      border-radius:14px;
      transition:var(--transition);
    }
    .nav-toggle:hover,
    .nav-toggle:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(244,63,94,.4);
      box-shadow:0 10px 24px rgba(2,6,23,.22);
      outline:none;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px;
      border:1px solid rgba(255,255,255,.06);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
    }
    .nav a{
      position:relative;
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:600;
      font-size:.95rem;
      transition:var(--transition);
    }
    .nav a:hover,
    .nav a:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.06);
      outline:none;
    }
    .nav a.active,
    .nav a[aria-current="page"]{
      color:#fff;
      background:linear-gradient(135deg, rgba(244,63,94,.22), rgba(245,158,11,.14));
      box-shadow:inset 0 0 0 1px rgba(244,63,94,.18);
    }
    .main{
      padding:28px 0 64px;
    }
    .hero{
      position:relative;
      padding:24px 0 18px;
    }
    .hero-shell{
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(8,17,31,.58), rgba(8,17,31,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-radius:32px;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(244,63,94,.18), transparent 42%, rgba(245,158,11,.12));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:center;
      padding:42px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#ffd9df;
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:clamp(2.2rem, 4vw, 4.3rem);
      line-height:1.05;
      letter-spacing:-.04em;
    }
    .hero p{
      margin:0;
      color:var(--muted);
      font-size:1.04rem;
      max-width:38rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:26px 0 20px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:13px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:var(--transition);
      min-height:48px;
      box-shadow:none;
    }
    .btn.primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), #fb7185 58%, #f59e0b);
      box-shadow:0 14px 32px rgba(244,63,94,.28);
    }
    .btn.primary:hover,
    .btn.primary:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(244,63,94,.36);
      outline:none;
    }
    .btn.ghost{
      color:var(--text);
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
    }
    .btn.ghost:hover,
    .btn.ghost:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(244,63,94,.34);
      background:rgba(244,63,94,.08);
      outline:none;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:.92rem;
      font-weight:600;
    }
    .hero-visual{
      position:relative;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(2,6,23,.28);
      min-height:430px;
      box-shadow:var(--shadow-soft);
    }
    .hero-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:430px;
      filter:saturate(1.03) contrast(1.03);
    }
    .hero-float{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:16px 18px;
      border-radius:20px;
      background:rgba(7,11,20,.76);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(14px);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .hero-float strong{
      display:block;
      font-size:1rem;
      margin-bottom:2px;
    }
    .hero-float span{
      color:var(--muted-2);
      font-size:.92rem;
    }
    .pill{
      padding:8px 12px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(244,63,94,.2), rgba(245,158,11,.18));
      color:#fff;
      font-size:.88rem;
      font-weight:700;
      white-space:nowrap;
    }
    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.5rem, 2.4vw, 2.1rem);
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .section-sub{
      margin:10px 0 0;
      color:var(--muted);
      max-width:52rem;
    }
    .section-note{
      color:var(--muted-2);
      font-size:.94rem;
      margin:0;
    }
    .filter-bar{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      padding:18px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--surface);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      margin-top:22px;
    }
    .filter-input{
      width:100%;
      height:52px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--text);
      padding:0 16px;
      outline:none;
      transition:var(--transition);
    }
    .filter-input::placeholder{color:#8fa0bf}
    .filter-input:focus{
      border-color:rgba(244,63,94,.45);
      box-shadow:0 0 0 4px rgba(244,63,94,.12);
      background:rgba(255,255,255,.06);
    }
    .filter-btn{
      min-width:140px;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:var(--gap);
    }
    .channel-card,
    .info-card,
    .feature-card,
    .preview-card,
    .faq-card,
    .cta-card{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--surface);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .channel-card{
      position:relative;
      transition:var(--transition);
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .channel-card:hover,
    .channel-card:focus-within{
      transform:translateY(-4px);
      border-color:rgba(244,63,94,.34);
      box-shadow:0 22px 46px rgba(2,6,23,.34);
    }
    .channel-card.active{
      border-color:rgba(244,63,94,.42);
      background:linear-gradient(180deg, rgba(244,63,94,.1), rgba(255,255,255,.05));
    }
    .channel-thumb{
      position:relative;
      aspect-ratio:1.25/1;
      overflow:hidden;
    }
    .channel-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .channel-card:hover .channel-thumb img{
      transform:scale(1.04);
    }
    .channel-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 20%, rgba(7,11,20,.7));
    }
    .channel-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .channel-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .channel-title{
      margin:0;
      font-size:1.12rem;
      line-height:1.35;
    }
    .channel-card p{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
    }
    .channel-foot{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-top:6px;
    }
    .mini-link{
      color:#ffd8df;
      font-weight:700;
      font-size:.93rem;
    }
    .mini-link::after{
      content:"→";
      margin-left:6px;
      transition:var(--transition);
    }
    .channel-card:hover .mini-link::after{
      margin-left:10px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(244,63,94,.12);
      color:#ffd8df;
      border:1px solid rgba(244,63,94,.18);
      font-size:.8rem;
      font-weight:700;
      white-space:nowrap;
    }
    .badge.neutral{
      background:rgba(255,255,255,.05);
      color:var(--muted);
      border-color:rgba(255,255,255,.08);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:var(--gap);
      align-items:stretch;
    }
    .feature-card{
      position:relative;
      padding:22px;
    }
    .feature-card.image{
      padding:0;
      overflow:hidden;
      min-height:360px;
      display:flex;
      align-items:stretch;
    }
    .feature-card.image img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:360px;
    }
    .feature-card.image .overlay{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,11,20,.08), rgba(7,11,20,.78));
    }
    .feature-card.image .copy{
      position:absolute;
      inset:auto 22px 22px 22px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .feature-card.image h3{
      margin:0;
      font-size:1.5rem;
      line-height:1.2;
    }
    .feature-card.image p{
      margin:0;
      color:#dde5f6;
      max-width:30rem;
    }
    .feature-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .feature-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 14px 14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.06);
      color:var(--muted);
    }
    .feature-list strong{
      color:#fff;
      display:block;
      margin-bottom:2px;
    }
    .dot{
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:7px;
      flex:0 0 auto;
      background:linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow:0 0 0 4px rgba(244,63,94,.14);
    }
    .content-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:var(--gap);
    }
    .preview-card{
      transition:var(--transition);
      overflow:hidden;
    }
    .preview-card:hover{
      transform:translateY(-4px);
      border-color:rgba(245,158,11,.26);
    }
    .preview-card img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
    }
    .preview-body{
      padding:18px;
    }
    .preview-body h3{
      margin:0 0 8px;
      font-size:1.08rem;
      line-height:1.4;
    }
    .preview-body p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:var(--gap);
    }
    .step{
      padding:22px;
      border-radius:24px;
      background:var(--surface);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute;
      inset:auto -14px -16px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(244,63,94,.18), transparent 65%);
    }
    .step-num{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(244,63,94,.22), rgba(245,158,11,.18));
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
      box-shadow:0 10px 22px rgba(244,63,94,.16);
    }
    .step h3{
      margin:0 0 10px;
      font-size:1.12rem;
    }
    .step p{
      margin:0;
      color:var(--muted);
    }
    .faq-wrap{
      display:grid;
      gap:14px;
    }
    .faq-card{
      padding:0;
      overflow:hidden;
    }
    .faq-card details{
      padding:0;
    }
    .faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      font-weight:700;
      color:#fff;
      outline:none;
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-card summary::after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      flex:0 0 auto;
      transition:var(--transition);
    }
    .faq-card details[open] summary::after{
      content:"–";
      transform:rotate(0deg);
      background:rgba(244,63,94,.12);
    }
    .faq-content{
      padding:0 20px 20px;
      color:var(--muted);
    }
    .cta-card{
      padding:28px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:center;
      background:
        linear-gradient(135deg, rgba(244,63,94,.14), rgba(245,158,11,.08)),
        var(--surface);
    }
    .cta-card h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem, 2.6vw, 2.3rem);
      line-height:1.15;
    }
    .cta-card p{
      margin:0;
      color:var(--muted);
      max-width:44rem;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .site-footer{
      margin-top:24px;
      padding:34px 0 22px;
      border-top:1px solid rgba(255,255,255,.06);
      background:rgba(7,11,20,.72);
      backdrop-filter:blur(16px);
    }
    .footer-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:24px;
      padding-bottom:20px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-brand{
      font-size:1.02rem;
      margin-bottom:10px;
    }
    .footer-text{
      margin:0;
      max-width:36rem;
      color:var(--muted);
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 14px;
      max-width:44rem;
    }
    .footer-links a{
      color:var(--muted);
      padding:8px 0;
      transition:var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      outline:none;
    }
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      padding-top:18px;
      color:var(--muted-2);
      font-size:.92rem;
    }
    .section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      margin:18px 0;
    }
    .subtle-box{
      padding:16px 18px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--muted);
    }
    .subtle-box strong{
      color:#fff;
    }
    .inline-icons{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      font-size:.9rem;
    }
    .mini-chip i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--accent));
      display:inline-block;
    }
    .focus-ring:focus-visible{
      outline:2px solid rgba(244,63,94,.6);
      outline-offset:2px;
    }
    @media (max-width: 1024px){
      .hero-inner,
      .feature-grid,
      .cta-card{
        grid-template-columns:1fr;
      }
      .grid-4,
      .content-grid,
      .steps{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .hero-visual,
      .hero-visual img{
        min-height:360px;
      }
      .cta-actions{
        justify-content:flex-start;
      }
      .footer-top{
        flex-direction:column;
      }
      .footer-links{
        justify-content:flex-start;
      }
    }
    @media (max-width: 768px){
      :root{--header-h:68px}
      .header-inner{
        gap:12px;
      }
      .nav-toggle{
        display:inline-grid;
        place-items:center;
      }
      .nav{
        position:absolute;
        top:calc(var(--header-h) - 2px);
        right:16px;
        left:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:10px;
        border-radius:20px;
      }
      .nav.is-open{display:flex}
      .nav a{
        width:100%;
        text-align:center;
      }
      .hero-inner{
        padding:28px 20px;
      }
      .main{padding-top:18px}
      .filter-bar{
        grid-template-columns:1fr;
      }
      .filter-btn{
        width:100%;
      }
      .grid-4,
      .content-grid,
      .steps{
        grid-template-columns:1fr;
      }
      .hero h1{
        font-size:clamp(2rem, 10vw, 3rem);
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-float{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-visual,
      .hero-visual img{
        min-height:300px;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .hero-inner{
        padding:22px 16px;
      }
      .channel-body,
      .preview-body,
      .feature-card,
      .step,
      .cta-card{
        border-radius:20px;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .btn{
        width:100%;
      }
      .nav{
        right:12px;
        left:12px;
      }
      .footer-bottom{
        font-size:.88rem;
      }
    }