/* roulang page: index */
:root{
      --bg:#0d0f16;
      --bg-soft:#121624;
      --panel:#171b2a;
      --panel-2:#1d2334;
      --line:rgba(255,255,255,.09);
      --text:#f4f7fb;
      --muted:#a8b0c3;
      --brand:#ff4d8d;
      --brand-2:#ffb347;
      --brand-3:#6ee7ff;
      --ok:#4ade80;
      --danger:#ff6b6b;
      --shadow:0 18px 45px rgba(0,0,0,.28);
      --shadow-soft:0 10px 25px rgba(0,0,0,.18);
      --radius-xl:26px;
      --radius-lg:20px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --gap:24px;
      --gap-sm:14px;
      --transition:220ms cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,77,141,.16), transparent 25%),
        radial-gradient(circle at top right, rgba(255,179,71,.12), transparent 26%),
        linear-gradient(180deg, #0b0d14 0%, #111520 48%, #0d0f16 100%);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.75;
      overflow-x:hidden;
      color-scheme:dark;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }

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

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

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

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

    :focus-visible{
      outline:3px solid rgba(110,231,255,.9);
      outline-offset:3px;
    }

    ::selection{
      background:rgba(255,77,141,.25);
      color:#fff;
    }

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

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(16px);
      background:linear-gradient(180deg, rgba(10,12,18,.92), rgba(10,12,18,.68));
      border-bottom:1px solid rgba(255,255,255,.06);
    }

    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:.4px;
    }

    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#151821;
      font-size:15px;
      box-shadow:0 10px 24px rgba(255,77,141,.22);
      flex:0 0 auto;
    }

    .brand-text{
      font-size:18px;
      line-height:1.2;
    }

    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }

    .site-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:14px;
      white-space:nowrap;
    }

    .site-nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }

    .site-nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,77,141,.18), rgba(255,179,71,.14));
      border-color:rgba(255,255,255,.14);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
    }

    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:46px;
      height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:#fff;
      box-shadow:var(--shadow-soft);
    }

    .hero-banner{
      position:relative;
      overflow:hidden;
      padding:54px 0 28px;
    }

    .hero-banner::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(13,15,22,.44) 0%, rgba(13,15,22,.82) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.96;
      z-index:-2;
    }

    .hero-banner::after{
      content:"";
      position:absolute;
      inset:auto -10% -120px -10%;
      height:260px;
      background:radial-gradient(circle, rgba(255,77,141,.22), transparent 60%);
      filter:blur(10px);
      z-index:-1;
    }

    .hero-inner{
      display:grid;
      gap:24px;
      align-items:center;
      justify-items:center;
      text-align:center;
      padding:40px 0 24px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-size:13px;
      letter-spacing:.6px;
      text-transform:uppercase;
      box-shadow:var(--shadow-soft);
    }

    .hero-copy{
      width:min(860px, 100%);
      display:grid;
      gap:18px;
      justify-items:center;
    }

    .hero-title{
      margin:0;
      font-size:clamp(34px, 5vw, 64px);
      line-height:1.08;
      letter-spacing:-.8px;
    }

    .hero-text{
      margin:0;
      width:min(760px, 100%);
      color:#d5d9e6;
      font-size:17px;
      line-height:1.9;
    }

    .hero-form{
      width:min(760px, 100%);
      display:flex;
      gap:12px;
      margin-top:4px;
      padding:10px;
      border-radius:999px;
      background:rgba(9,12,20,.62);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
    }

    .hero-form input{
      flex:1;
      min-width:0;
      border:0;
      background:transparent;
      color:#fff;
      padding:14px 16px;
      outline:none;
    }

    .hero-form input::placeholder{
      color:#8991a8;
    }

    .hero-form button{
      padding:14px 22px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#141622;
      font-weight:800;
      box-shadow:0 12px 28px rgba(255,77,141,.28);
      white-space:nowrap;
    }

    .hero-form button:hover{
      transform:translateY(-1px);
      filter:saturate(1.05);
    }

    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
      margin-top:4px;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:#eef2ff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      font-size:13px;
    }

    .hero-points{
      width:100%;
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
      margin-top:8px;
    }

    .point-card{
      padding:18px 18px 16px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(23,27,42,.92), rgba(16,18,27,.86));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      text-align:left;
    }

    .point-card strong{
      display:block;
      font-size:16px;
      margin-bottom:6px;
    }

    .point-card span{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }

    .section{
      padding:22px 0 6px;
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }

    .section-head h2{
      margin:0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.2;
      letter-spacing:-.4px;
    }

    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:640px;
      font-size:15px;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }

    .info-card{
      position:relative;
      overflow:hidden;
      padding:22px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(23,27,42,.96), rgba(17,20,31,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      min-height:182px;
    }

    .info-card::before{
      content:"";
      position:absolute;
      inset:auto -20px -20px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,77,141,.18), transparent 68%);
      pointer-events:none;
    }

    .info-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(255,77,141,.22), rgba(255,179,71,.18));
      border:1px solid rgba(255,255,255,.10);
      margin-bottom:14px;
      font-size:20px;
    }

    .info-card h3{
      margin:0 0 8px;
      font-size:19px;
      line-height:1.35;
    }

    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }

    .section-shell{
      padding:20px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(18,21,33,.92), rgba(14,17,26,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }

    .category-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }

    .category-card{
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(24,28,42,.98), rgba(18,21,32,.96));
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
      transform:translateY(0);
    }

    .category-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,255,255,.16);
      box-shadow:0 18px 32px rgba(0,0,0,.28);
    }

    .category-card img{
      aspect-ratio:16/10;
      object-fit:cover;
      filter:saturate(1.05) contrast(1.02);
    }

    .card-body{
      padding:18px 18px 20px;
      display:grid;
      gap:12px;
    }

    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#d9def0;
      font-size:12px;
      line-height:1;
    }

    .category-card h3,
    .news-card h3{
      margin:0;
      font-size:18px;
      line-height:1.4;
    }

    .category-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .card-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:11px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      width:max-content;
      color:#fff;
      font-size:14px;
      font-weight:700;
    }

    .card-link:hover{
      background:linear-gradient(135deg, rgba(255,77,141,.20), rgba(255,179,71,.18));
      border-color:rgba(255,255,255,.18);
      transform:translateY(-1px);
    }

    .gallery-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:16px;
    }

    .gallery-stack{
      display:grid;
      gap:16px;
    }

    .image-card{
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(23,27,42,.96), rgba(15,18,27,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }

    .image-card img{
      aspect-ratio:16/10;
      object-fit:cover;
    }

    .image-card figcaption{
      padding:14px 16px 16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }

    .story-card{
      padding:24px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(23,27,42,.98), rgba(16,19,29,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      display:grid;
      gap:16px;
      align-content:start;
    }

    .story-card h3{
      margin:0;
      font-size:24px;
      line-height:1.25;
    }

    .story-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.9;
    }

    .check-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }

    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#e8ebf4;
      font-size:14px;
      line-height:1.75;
    }

    .check-list li::before{
      content:"";
      width:18px;
      height:18px;
      margin-top:3px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--ok), #8bffbd);
      box-shadow:0 6px 16px rgba(74,222,128,.2);
      flex:0 0 auto;
      mask:radial-gradient(circle at center, transparent 45%, #000 46%);
    }

    .mini-steps{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }

    .step{
      padding:16px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }

    .step strong{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:15px;
      margin-bottom:8px;
    }

    .step strong i{
      width:26px;
      height:26px;
      border-radius:9px;
      display:grid;
      place-items:center;
      font-style:normal;
      font-size:13px;
      background:linear-gradient(135deg, rgba(255,77,141,.22), rgba(255,179,71,.18));
      color:#fff;
      flex:0 0 auto;
    }

    .step span{
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

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

    .news-card{
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(23,27,42,.96), rgba(15,18,27,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .news-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.16);
      box-shadow:0 20px 34px rgba(0,0,0,.28);
    }

    .news-card a{
      display:grid;
      gap:12px;
      padding:20px;
      height:100%;
    }

    .news-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }

    .news-summary{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
      min-height:56px;
    }

    .news-meta .dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:rgba(255,255,255,.28);
    }

    .empty-state{
      padding:34px 20px;
      text-align:center;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.04);
      border:1px dashed rgba(255,255,255,.14);
      color:var(--muted);
    }

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

    .faq-item{
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(23,27,42,.96), rgba(16,19,29,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }

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

    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      flex:0 0 auto;
    }

    .faq-item[open] summary::after{
      content:"–";
    }

    .faq-body{
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }

    .cta-panel{
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,77,141,.18), rgba(255,179,71,.12)),
        linear-gradient(180deg, rgba(23,27,42,.98), rgba(17,20,30,.98));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1.2fr auto;
      gap:18px;
      align-items:center;
    }

    .cta-panel h2{
      margin:0 0 10px;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.18;
    }

    .cta-panel p{
      margin:0;
      color:#d5d9e6;
      max-width:760px;
      font-size:15px;
      line-height:1.9;
    }

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

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:13px 18px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      white-space:nowrap;
    }

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

    .btn-primary{
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#151821;
      box-shadow:0 14px 28px rgba(255,77,141,.25);
    }

    .btn-secondary{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.12);
      color:#fff;
    }

    .btn-secondary:hover{
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.16);
    }

    .site-footer{
      margin-top:26px;
      padding:28px 0 34px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(12,14,21,.2), rgba(8,10,16,.42));
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      padding:8px 0 20px;
    }

    .footer-brand{
      display:grid;
      gap:14px;
    }

    .footer-brand strong{
      font-size:18px;
    }

    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
      max-width:640px;
    }

    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
      align-content:start;
    }

    .footer-links a{
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#d9def0;
      font-size:13px;
    }

    .footer-links a:hover{
      background:rgba(255,255,255,.09);
      color:#fff;
    }

    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#93a0ba;
      font-size:13px;
    }

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

    .divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      margin:6px 0;
    }

    .icon-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      display:inline-block;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 4px rgba(255,77,141,.13);
    }

    .hidden-mobile{
      display:block;
    }

    @media (max-width: 1024px){
      .feature-grid,
      .category-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }

      .gallery-grid,
      .footer-grid,
      .cta-panel{
        grid-template-columns:1fr;
      }

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

    @media (max-width: 768px){
      .header-inner{
        min-height:68px;
      }

      .menu-toggle{
        display:inline-flex;
      }

      .site-nav{
        position:absolute;
        top:100%;
        left:0;
        right:0;
        margin:0;
        padding:14px 16px 18px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        background:rgba(10,12,18,.96);
        border-bottom:1px solid rgba(255,255,255,.08);
        box-shadow:0 16px 32px rgba(0,0,0,.22);
      }

      .site-nav.open{
        display:flex;
      }

      .site-nav a{
        width:100%;
        justify-content:center;
      }

      .hero-banner{
        padding-top:30px;
      }

      .hero-inner{
        padding-top:18px;
      }

      .hero-points,
      .feature-grid,
      .category-grid,
      .news-grid,
      .mini-steps{
        grid-template-columns:1fr;
      }

      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }

      .hero-form{
        border-radius:24px;
        flex-direction:column;
      }

      .hero-form button{
        width:100%;
      }

      .hero-title{
        letter-spacing:-.4px;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 22px));
      }

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

      .hero-text,
      .section-head p,
      .story-card p,
      .cta-panel p{
        font-size:14px;
      }

      .info-card,
      .story-card,
      .cta-panel,
      .section-shell{
        padding:18px;
      }

      .card-body,
      .news-card a,
      .faq-item summary,
      .faq-body{
        padding-left:16px;
        padding-right:16px;
      }

      .faq-item summary{
        padding-top:16px;
        padding-bottom:16px;
      }

      .btn{
        width:100%;
      }

      .cta-actions{
        width:100%;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08101d;
      --bg-soft: #0d1728;
      --panel: rgba(13, 23, 40, 0.82);
      --panel-solid: #101a2d;
      --panel-2: #15243d;
      --text: #eef4ff;
      --muted: #a8b6d8;
      --subtle: #7183ab;
      --line: rgba(255, 255, 255, 0.09);
      --line-strong: rgba(255, 255, 255, 0.16);
      --primary: #7c5cff;
      --primary-2: #27d3c2;
      --primary-3: #ff8a5b;
      --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
      --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.18);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --gap: 24px;
      --gap-lg: 32px;
      --gap-xl: 44px;
      --transition: 220ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(124, 92, 255, 0.18), transparent 26%),
        radial-gradient(circle at top right, rgba(39, 211, 194, 0.14), transparent 28%),
        linear-gradient(180deg, #08101d 0%, #091220 54%, #08101d 100%);
      line-height: 1.72;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
      background-size: 64px 64px;
      opacity: 0.35;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.06));
      z-index: 0;
    }

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

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

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

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

    :focus-visible {
      outline: 3px solid rgba(39, 211, 194, 0.55);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      backdrop-filter: blur(18px);
      background: linear-gradient(180deg, rgba(8, 16, 29, 0.92), rgba(8, 16, 29, 0.72));
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      font-weight: 800;
      box-shadow: 0 14px 28px rgba(124, 92, 255, 0.28);
      flex: 0 0 auto;
    }

    .brand strong {
      display: block;
      font-size: 1rem;
      line-height: 1.15;
      letter-spacing: 0.02em;
    }

    .brand small {
      display: block;
      color: var(--muted);
      margin-top: 3px;
      font-size: 0.82rem;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-nav a {
      padding: 11px 16px;
      border-radius: 999px;
      border: 1px solid transparent;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.02);
      letter-spacing: 0.01em;
      font-size: 0.95rem;
      line-height: 1;
    }

    .site-nav a:hover {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-1px);
    }

    .site-nav a.active,
    .site-nav a[aria-current="page"] {
      color: #ffffff;
      background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(39, 211, 194, 0.78));
      box-shadow: 0 14px 26px rgba(38, 109, 205, 0.22);
      border-color: transparent;
    }

    .hero {
      position: relative;
      isolation: isolate;
      padding: 56px 0 24px;
      overflow: clip;
      background:
        linear-gradient(135deg, rgba(8, 16, 29, 0.18), rgba(8, 16, 29, 0.68)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--line);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 16, 29, 0.15) 0%, rgba(8, 16, 29, 0.76) 100%);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: var(--gap-xl);
      align-items: stretch;
    }

    .hero-copy {
      padding: 14px 0 14px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #d5dcff;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 999px;
      padding: 8px 14px;
      font-size: 0.88rem;
      letter-spacing: 0.03em;
      box-shadow: var(--shadow-soft);
    }

    .hero h1 {
      margin: 18px 0 16px;
      font-size: clamp(2.3rem, 5vw, 4.4rem);
      line-height: 1.06;
      letter-spacing: -0.03em;
      max-width: 11.5ch;
    }

    .hero-lead {
      margin: 0;
      color: #d8e2ff;
      font-size: 1.05rem;
      max-width: 62ch;
      text-wrap: pretty;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
      align-items: center;
    }

    .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;
      font-weight: 700;
      letter-spacing: 0.01em;
      cursor: pointer;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      white-space: nowrap;
    }

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

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-3));
      box-shadow: 0 14px 26px rgba(124, 92, 255, 0.24);
    }

    .btn-primary:hover {
      box-shadow: 0 18px 30px rgba(124, 92, 255, 0.34);
    }

    .btn-secondary {
      color: #eef4ff;
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.12);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.2);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: #dce6ff;
      font-size: 0.9rem;
    }

    .hero-panel {
      display: grid;
      grid-template-rows: auto 1fr;
      gap: 16px;
      padding: 18px;
      background: linear-gradient(180deg, rgba(16, 26, 45, 0.76), rgba(10, 16, 29, 0.92));
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow);
      min-height: 100%;
    }

    .hero-panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 2px;
    }

    .hero-panel-head strong {
      font-size: 1.02rem;
    }

    .hero-panel-head span {
      color: var(--muted);
      font-size: 0.92rem;
    }

    .stack-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 14px;
      min-height: 0;
    }

    .stack-main,
    .stack-side {
      display: grid;
      gap: 14px;
      min-height: 0;
    }

    .preview-card,
    .mini-card {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: #0f1829;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
      min-height: 0;
    }

    .preview-card {
      min-height: 244px;
    }

    .mini-card {
      min-height: 115px;
    }

    .preview-card img,
    .mini-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.88;
      transform: scale(1.02);
      transition: transform 260ms ease, opacity 260ms ease;
    }

    .preview-card:hover img,
    .mini-card:hover img {
      transform: scale(1.08);
      opacity: 1;
    }

    .card-overlay {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 18px;
      background: linear-gradient(180deg, rgba(4, 8, 17, 0.02), rgba(4, 8, 17, 0.86));
    }

    .card-overlay strong {
      font-size: 1.05rem;
      margin-bottom: 4px;
    }

    .card-overlay p {
      margin: 0;
      color: #dce7ff;
      font-size: 0.92rem;
    }

    .mini-card .card-overlay {
      padding: 14px;
    }

    .section {
      padding: 28px 0;
    }

    .section-head {
      display: flex;
      flex-wrap: wrap;
      align-items: end;
      justify-content: space-between;
      gap: 12px 20px;
      margin-bottom: 18px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(1.5rem, 2.2vw, 2.15rem);
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    .section-lead {
      margin: 0;
      color: var(--muted);
      max-width: 62ch;
      font-size: 0.98rem;
    }

    .panel {
      background: linear-gradient(180deg, rgba(16, 26, 45, 0.9), rgba(13, 21, 36, 0.96));
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .panel-inner {
      padding: 22px;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .category-card {
      position: relative;
      min-height: 274px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: #0f1829;
      box-shadow: var(--shadow-soft);
      transform: translateY(0);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .category-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 46px rgba(0, 0, 0, 0.28);
      border-color: rgba(255, 255, 255, 0.16);
    }

    .category-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.78;
    }

    .category-card .overlay {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 18px;
      background: linear-gradient(180deg, rgba(2, 6, 14, 0.08) 0%, rgba(2, 6, 14, 0.78) 100%);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: #edf4ff;
      font-size: 0.82rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .category-copy {
      display: grid;
      gap: 8px;
    }

    .category-copy strong {
      font-size: 1.14rem;
    }

    .category-copy p {
      margin: 0;
      color: #d5e0ff;
      font-size: 0.92rem;
    }

    .category-card.active {
      border-color: rgba(39, 211, 194, 0.38);
      box-shadow: 0 20px 50px rgba(39, 211, 194, 0.12);
    }

    .category-card .corner {
      position: absolute;
      top: 16px;
      right: 16px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(124, 92, 255, 0.82);
      color: #fff;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.02em;
      box-shadow: 0 12px 22px rgba(124, 92, 255, 0.18);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .feature-card {
      background: linear-gradient(180deg, rgba(18, 29, 49, 0.9), rgba(13, 21, 36, 0.96));
      border: 1px solid var(--line);
      border-radius: 22px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255, 255, 255, 0.16);
      box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
    }

    .feature-top {
      position: relative;
      min-height: 182px;
      overflow: hidden;
    }

    .feature-top img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.9;
    }

    .feature-top .badge {
      position: absolute;
      left: 14px;
      top: 14px;
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(8, 16, 29, 0.65);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #edf4ff;
      font-size: 0.82rem;
      backdrop-filter: blur(8px);
    }

    .feature-body {
      padding: 18px;
    }

    .feature-body h3 {
      margin: 0 0 8px;
      font-size: 1.08rem;
    }

    .feature-body p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
    }

    .split {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
      align-items: stretch;
    }

    .showcase {
      position: relative;
      min-height: 420px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--line);
      background: #0f1829;
      box-shadow: var(--shadow-soft);
    }

    .showcase img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.86;
    }

    .showcase .overlay {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: end;
      padding: 24px;
      background: linear-gradient(180deg, rgba(5, 9, 18, 0.16), rgba(5, 9, 18, 0.9));
    }

    .showcase .overlay h3 {
      margin: 0 0 10px;
      font-size: 1.45rem;
    }

    .showcase .overlay p {
      margin: 0;
      color: #d6e3ff;
      max-width: 28ch;
    }

    .info-stack {
      display: grid;
      gap: 16px;
    }

    .info-box {
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(17, 27, 46, 0.92), rgba(12, 19, 33, 0.96));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .info-box h3 {
      margin: 0 0 10px;
      font-size: 1.08rem;
    }

    .info-box p {
      margin: 0;
      color: var(--muted);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .check-list li {
      position: relative;
      padding-left: 30px;
      color: #d8e3ff;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.5em;
      width: 16px;
      height: 16px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--primary-2), var(--primary));
      box-shadow: 0 0 0 4px rgba(39, 211, 194, 0.12);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .step-card {
      position: relative;
      padding: 22px 20px;
      border-radius: 22px;
      background: linear-gradient(180deg, rgba(18, 29, 49, 0.9), rgba(12, 19, 33, 0.96));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      min-height: 180px;
      overflow: hidden;
    }

    .step-index {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(124, 92, 255, 0.96), rgba(39, 211, 194, 0.9));
      color: #fff;
      font-weight: 800;
      margin-bottom: 14px;
      box-shadow: 0 14px 24px rgba(124, 92, 255, 0.18);
    }

    .step-card h3 {
      margin: 0 0 8px;
      font-size: 1.06rem;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
    }

    .faq-grid {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 20px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(18, 29, 49, 0.9), rgba(12, 19, 33, 0.96));
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      font-weight: 700;
      font-size: 1rem;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 30px;
      height: 30px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(255, 255, 255, 0.07);
      color: #dce6ff;
      flex: 0 0 auto;
      transition: transform var(--transition), background var(--transition);
    }

    .faq-item[open] summary::after {
      content: "–";
      background: rgba(39, 211, 194, 0.16);
    }

    .faq-body {
      padding: 0 22px 20px;
      color: var(--muted);
    }

    .cta {
      padding: 0 0 46px;
    }

    .cta-box {
      position: relative;
      padding: 28px;
      border-radius: 30px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background:
        radial-gradient(circle at top right, rgba(39, 211, 194, 0.18), transparent 28%),
        linear-gradient(135deg, rgba(124, 92, 255, 0.2), rgba(13, 21, 36, 0.98) 58%, rgba(9, 16, 29, 0.98));
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
    }

    .cta h2 {
      margin: 0 0 10px;
      font-size: clamp(1.5rem, 2.4vw, 2.3rem);
      line-height: 1.18;
    }

    .cta p {
      margin: 0;
      color: #d6e3ff;
      max-width: 54ch;
    }

    .quick-form {
      min-width: min(100%, 420px);
      display: grid;
      gap: 12px;
    }

    .input-row {
      display: flex;
      gap: 10px;
      padding: 10px;
      border-radius: 999px;
      background: rgba(7, 13, 24, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .input-row input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      padding: 0 8px 0 10px;
    }

    .input-row input::placeholder {
      color: #93a5cb;
    }

    .input-row .btn {
      min-width: 126px;
    }

    .form-tip {
      color: var(--muted);
      font-size: 0.9rem;
      padding-left: 8px;
    }

    .site-footer {
      position: relative;
      z-index: 1;
      border-top: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(8, 16, 29, 0.6), rgba(8, 16, 29, 0.98));
      padding: 28px 0 22px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 24px;
      align-items: start;
      padding-bottom: 18px;
    }

    .footer-brand strong {
      display: block;
      font-size: 1.08rem;
      margin-bottom: 10px;
    }

    .footer-brand p {
      margin: 0;
      color: var(--muted);
      max-width: 54ch;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 18px;
      justify-content: flex-end;
      align-content: start;
    }

    .footer-links a {
      color: var(--muted);
      padding: 6px 0;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    .footer-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      color: var(--subtle);
      padding-top: 16px;
      border-top: 1px solid var(--line);
      font-size: 0.92rem;
    }

    @media (max-width: 1100px) {
      .hero-grid,
      .split,
      .cta-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

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

      .quick-form {
        min-width: 0;
      }

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

    @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        align-items: flex-start;
      }

      .site-nav {
        width: 100%;
        justify-content: flex-start;
      }

      .hero {
        padding-top: 34px;
      }

      .hero h1 {
        max-width: 100%;
      }

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

      .preview-card {
        min-height: 220px;
      }

      .category-grid,
      .feature-grid,
      .steps-grid {
        grid-template-columns: 1fr;
      }

      .cta-box {
        padding: 22px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(calc(100% - 20px), var(--container));
      }

      .site-nav a {
        padding: 10px 12px;
        font-size: 0.9rem;
      }

      .hero h1 {
        font-size: clamp(2rem, 11vw, 3rem);
      }

      .hero-actions,
      .hero-tags {
        gap: 10px;
      }

      .btn,
      .input-row .btn {
        width: 100%;
      }

      .input-row {
        flex-direction: column;
        border-radius: 22px;
      }

      .input-row input {
        padding: 14px 10px;
      }

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

      .panel-inner,
      .feature-body,
      .info-box,
      .step-card {
        padding: 18px;
      }

      .faq-item summary {
        padding: 18px;
      }

      .faq-body {
        padding: 0 18px 18px;
      }
    }

/* roulang page: article */
:root{
      --bg:#090c14;
      --bg-elev:#101623;
      --bg-soft:#151d2d;
      --card:#111827;
      --card-2:#0f1624;
      --text:#f3f6fb;
      --muted:#a7b0c1;
      --line:rgba(255,255,255,.09);
      --line-2:rgba(255,255,255,.14);
      --brand:#ff4d8d;
      --brand-2:#ffbf4d;
      --brand-3:#6c7bff;
      --success:#34d399;
      --radius:20px;
      --radius-sm:14px;
      --radius-xs:10px;
      --shadow:0 20px 60px rgba(0,0,0,.34);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --container:1180px;
      --gap:24px;
      --gap-sm:16px;
      --space:clamp(16px, 2.4vw, 28px);
      --space-lg:clamp(24px, 4vw, 44px);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,77,141,.14), transparent 35%),
        radial-gradient(circle at top right, rgba(108,123,255,.12), transparent 30%),
        linear-gradient(180deg, #05070d 0%, #0b1020 48%, #090c14 100%);
      font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,77,141,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(7,10,18,.74);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:76px;
      padding:12px 0;
    }
    .site-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      font-size:1.02rem;
      letter-spacing:.4px;
      white-space:nowrap;
    }
    .site-logo::before{
      content:"";
      width:12px;
      height:12px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 0 6px rgba(255,77,141,.12);
      flex:none;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 16px;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted);
      background:transparent;
      transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
      outline:none;
    }
    .site-nav a:hover{
      color:var(--text);
      background:rgba(255,255,255,.05);
      border-color:var(--line-2);
      transform:translateY(-1px);
      box-shadow:var(--shadow-soft);
    }
    .site-nav a:focus-visible,
    .btn:focus-visible,
    .search-form button:focus-visible,
    .search-form input:focus-visible,
    details summary:focus-visible{
      outline:2px solid rgba(255,77,141,.8);
      outline-offset:3px;
    }
    .site-nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,77,141,.18), rgba(255,191,77,.16));
      border-color:rgba(255,255,255,.14);
      box-shadow:0 12px 28px rgba(255,77,141,.15);
    }
    main{display:block}
    .hero{
      position:relative;
      overflow:hidden;
      padding:clamp(28px, 5vw, 56px) 0 clamp(24px, 4vw, 48px);
      background:
        linear-gradient(180deg, rgba(5,7,13,.2), rgba(5,7,13,.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(9,12,20,.82), rgba(9,12,20,.32) 48%, rgba(9,12,20,.78));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-card,
    .content-card,
    .side-card,
    .promo-card,
    .faq-item,
    .cta-panel{
      background:linear-gradient(180deg, rgba(18,24,38,.94), rgba(10,14,24,.92));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{
      padding:clamp(24px, 4vw, 40px);
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:360px;
      overflow:hidden;
      position:relative;
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      right:-80px;
      top:-60px;
      width:220px;
      height:220px;
      background:radial-gradient(circle, rgba(255,77,141,.18), transparent 66%);
      pointer-events:none;
    }
    .eyebrow,
    .section-kicker,
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:fit-content;
      padding:6px 12px;
      border-radius:999px;
      font-size:.86rem;
      line-height:1;
      letter-spacing:.2px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:#ffd8e6;
    }
    .eyebrow::before,
    .section-kicker::before,
    .badge::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 0 4px rgba(255,77,141,.12);
    }
    .hero h1{
      margin:16px 0 14px;
      font-size:clamp(2rem, 4vw, 3.8rem);
      line-height:1.08;
      letter-spacing:.2px;
    }
    .hero-summary{
      margin:0;
      max-width:60ch;
      color:rgba(243,246,251,.84);
      font-size:1.02rem;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      color:var(--text);
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
    }
    .meta-chip strong{font-weight:700}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      user-select:none;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#ff6d76 42%, var(--brand-2));
      box-shadow:0 14px 30px rgba(255,77,141,.22);
    }
    .btn-primary:hover{
      box-shadow:0 18px 36px rgba(255,77,141,.3);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:var(--line);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.07);
      border-color:var(--line-2);
    }
    .hero-card{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:16px;
      overflow:hidden;
    }
    .hero-cover{
      position:relative;
      border-radius:18px;
      overflow:hidden;
      aspect-ratio:16/10;
      background:#111827;
      border:1px solid var(--line);
    }
    .hero-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
    }
    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,11,19,.06), rgba(8,11,19,.56));
      pointer-events:none;
    }
    .hero-card-body{
      padding:4px 4px 2px;
    }
    .hero-card h2{
      margin:0 0 8px;
      font-size:1.18rem;
      line-height:1.35;
    }
    .hero-card p{
      margin:0;
      color:var(--muted);
    }
    .search-form{
      display:flex;
      gap:10px;
      margin-top:16px;
    }
    .search-form input{
      flex:1;
      min-width:0;
      height:46px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
      transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .search-form input::placeholder{color:#95a0b4}
    .search-form input:focus{
      border-color:rgba(255,77,141,.55);
      background:rgba(255,255,255,.06);
      box-shadow:0 0 0 4px rgba(255,77,141,.12);
      outline:none;
    }
    .search-form button{
      height:46px;
      padding:0 16px;
      border:none;
      border-radius:14px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 24px rgba(255,77,141,.18);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .search-form button:hover{transform:translateY(-1px);box-shadow:0 16px 28px rgba(255,77,141,.24)}
    .section{
      padding:clamp(28px, 5vw, 54px) 0;
    }
    .section-muted{
      background:
        linear-gradient(180deg, rgba(11,16,32,.4), rgba(11,16,32,.7)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
      position:relative;
    }
    .section-muted::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,11,19,.7), rgba(8,11,19,.84));
      pointer-events:none;
    }
    .section-muted .container{position:relative;z-index:1}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:22px;
    }
    .section-head h2,
    .cta-panel h2{
      margin:10px 0 0;
      font-size:clamp(1.4rem, 2.5vw, 2.2rem);
      line-height:1.22;
    }
    .section-head p,
    .cta-panel p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:64ch;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1.6fr) minmax(300px,.82fr);
      gap:24px;
      align-items:start;
    }
    .content-card{
      padding:clamp(20px, 3vw, 32px);
      overflow:hidden;
    }
    .article-head{
      padding-bottom:20px;
      margin-bottom:22px;
      border-bottom:1px solid var(--line);
    }
    .article-head h2{
      margin:14px 0 10px;
      font-size:clamp(1.45rem, 2.8vw, 2.15rem);
      line-height:1.24;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:.95rem;
    }
    .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .article-body{
      font-size:1.02rem;
      line-height:1.92;
      color:rgba(243,246,251,.92);
      word-break:break-word;
    }
    .article-body h2,
    .article-body h3,
    .article-body h4{
      margin:1.4em 0 .65em;
      line-height:1.28;
    }
    .article-body h2{font-size:1.5rem}
    .article-body h3{font-size:1.22rem}
    .article-body h4{font-size:1.08rem}
    .article-body p{margin:0 0 1em}
    .article-body a{
      color:#ffd27a;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .article-body ul,
    .article-body ol{
      margin:0 0 1em 1.25em;
      padding:0;
    }
    .article-body li{margin:.45em 0}
    .article-body blockquote{
      margin:1.2em 0;
      padding:16px 18px;
      border-left:4px solid var(--brand);
      border-radius:0 16px 16px 0;
      background:rgba(255,255,255,.04);
      color:#dce3f2;
    }
    .article-body img{
      margin:1.25em 0;
      border-radius:18px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .article-body table{
      width:100%;
      border-collapse:collapse;
      margin:1.2em 0;
      overflow:hidden;
      display:block;
      border-radius:16px;
      border:1px solid var(--line);
    }
    .article-body th,
    .article-body td{
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      text-align:left;
      background:rgba(255,255,255,.02);
    }
    .article-body th{background:rgba(255,255,255,.05)}
    .article-body code{
      padding:.18em .42em;
      border-radius:8px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
    }
    .article-body pre{
      overflow:auto;
      padding:16px 18px;
      border-radius:16px;
      background:#0b1120;
      border:1px solid var(--line);
    }
    .article-body hr{
      border:none;
      border-top:1px solid var(--line);
      margin:1.4em 0;
    }
    .side-sticky{
      position:sticky;
      top:96px;
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:18px;
      overflow:hidden;
    }
    .side-card h3{
      margin:0 0 12px;
      font-size:1.08rem;
    }
    .side-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
    }
    .side-list li::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      margin-top:.58em;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      flex:none;
      box-shadow:0 0 0 4px rgba(255,77,141,.08);
    }
    .mini-grid{
      display:grid;
      gap:12px;
    }
    .mini-card{
      display:grid;
      grid-template-columns:88px minmax(0,1fr);
      gap:12px;
      padding:10px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .mini-card:hover{
      transform:translateY(-1px);
      border-color:rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
    }
    .mini-card figure{
      margin:0;
      border-radius:12px;
      overflow:hidden;
      aspect-ratio:1/1;
      background:#0d1321;
    }
    .mini-card img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .mini-card h4{
      margin:2px 0 6px;
      font-size:.98rem;
      line-height:1.35;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.6;
    }
    .mini-card .link{
      display:inline-flex;
      align-items:center;
      margin-top:8px;
      color:#ffd27a;
      font-size:.92rem;
    }
    .promo-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .promo-card{
      overflow:hidden;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .promo-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 18px 42px rgba(0,0,0,.3);
    }
    .promo-card figure{
      margin:0;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#0e1524;
      border-bottom:1px solid var(--line);
    }
    .promo-card img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .promo-card .card-body{
      padding:16px;
    }
    .promo-card h3{
      margin:0 0 8px;
      font-size:1.04rem;
      line-height:1.3;
    }
    .promo-card p{
      margin:0 0 12px;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.7;
    }
    .promo-card .link{
      color:#ffd27a;
      font-weight:600;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .faq-item{
      padding:18px 20px;
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      color:#ffd8e6;
      flex:none;
    }
    .faq-item[open] summary::after{content:"–"}
    .faq-item p{
      margin:14px 0 0;
      color:var(--muted);
    }
    .cta-wrap{
      position:relative;
      overflow:hidden;
      padding:clamp(18px, 4vw, 28px) 0 0;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:clamp(22px, 4vw, 34px);
      background:
        linear-gradient(135deg, rgba(9,12,20,.88), rgba(9,12,20,.52)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,77,141,.16), rgba(108,123,255,.08) 45%, rgba(255,191,77,.1));
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .cta-copy{max-width:64ch}
    .cta-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .cta-form{
      display:flex;
      gap:10px;
      width:min(420px, 100%);
    }
    .cta-form input{
      flex:1;
      min-width:0;
      height:44px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:var(--text);
    }
    .cta-form input::placeholder{color:#97a1b7}
    .cta-form input:focus{
      outline:none;
      border-color:rgba(255,77,141,.56);
      box-shadow:0 0 0 4px rgba(255,77,141,.12);
    }
    .cta-form button{
      height:44px;
      padding:0 16px;
      border:none;
      border-radius:14px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      box-shadow:0 12px 24px rgba(255,77,141,.18);
    }
    .empty-state{
      text-align:center;
      padding:clamp(36px, 6vw, 62px) 24px;
    }
    .empty-state h2{
      margin:0 0 12px;
      font-size:clamp(1.4rem, 2.8vw, 2rem);
    }
    .empty-state p{
      margin:0 auto 20px;
      max-width:42ch;
      color:var(--muted);
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(7,10,16,.86);
      padding:28px 0 18px;
      margin-top:10px;
    }
    .footer-grid{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:24px;
    }
    .footer-brand strong{
      display:block;
      font-size:1.05rem;
      margin-bottom:8px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:52ch;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:12px 18px;
      justify-content:flex-end;
    }
    .footer-links a{
      color:var(--muted);
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateY(-1px);
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:18px;
      margin-top:18px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:.95rem;
    }
    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      border:0;
      white-space:nowrap;
    }
    @media (max-width: 1080px){
      .hero-inner,
      .article-layout,
      .cta-inner{
        grid-template-columns:1fr;
        display:grid;
      }
      .hero-copy{min-height:auto}
      .side-sticky{position:static}
      .promo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .faq-grid{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .site-nav{
        justify-content:flex-start;
        width:100%;
        overflow:auto;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .site-nav::-webkit-scrollbar{display:none}
      .hero{padding-top:22px}
      .hero h1{font-size:clamp(1.8rem, 8vw, 2.8rem)}
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .search-form,
      .cta-form{
        flex-direction:column;
        width:100%;
      }
      .search-form button,
      .cta-form button,
      .search-form input,
      .cta-form input{
        width:100%;
      }
      .footer-grid{
        flex-direction:column;
      }
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .promo-grid{grid-template-columns:1fr}
      .mini-card{
        grid-template-columns:74px minmax(0,1fr);
      }
      .hero-meta{
        flex-direction:column;
        align-items:flex-start;
      }
      .meta-chip{width:100%;justify-content:flex-start}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category4 */
:root{
      --bg:#0c0f17;
      --bg-soft:#121726;
      --panel:#171d2e;
      --panel-2:#1d2538;
      --text:#f5f7fb;
      --muted:#aab3c7;
      --muted-2:#7e889f;
      --primary:#ff4d7d;
      --primary-2:#ff8a5c;
      --accent:#8b5cf6;
      --cyan:#46d6ff;
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(255,255,255,.18);
      --shadow:0 22px 70px rgba(0,0,0,.35);
      --shadow-soft:0 14px 36px rgba(0,0,0,.22);
      --radius:22px;
      --radius-lg:32px;
      --radius-sm:14px;
      --container:1160px;
      --header-h:76px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(255,77,125,.22), transparent 34%),
        radial-gradient(circle at 78% 18%, rgba(70,214,255,.12), transparent 30%),
        linear-gradient(180deg,#090b11 0%, var(--bg) 46%, #0a0d14 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.65), transparent 76%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      left:-999px;
      top:10px;
      padding:10px 14px;
      border-radius:10px;
      background:var(--primary);
      color:#fff;
      z-index:100;
    }
    .skip-link:focus{left:12px;outline:3px solid rgba(255,255,255,.45)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(9,11,17,.78);
      border-bottom:1px solid var(--border);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:40px;
      height:40px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 26px rgba(255,77,125,.32);
      color:#fff;
      font-size:18px;
    }
    .brand-text{font-size:18px}
    .site-nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:6px;
      padding:6px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .site-nav a{
      position:relative;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:background var(--ease), color var(--ease), transform var(--ease);
      white-space:nowrap;
    }
    .site-nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .site-nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,77,125,.95), rgba(139,92,246,.85));
      box-shadow:0 10px 24px rgba(139,92,246,.22);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--border);
      color:#fff;
      transition:background var(--ease), transform var(--ease);
    }
    .nav-toggle:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
    .nav-toggle:focus-visible,.site-nav a:focus-visible,.btn:focus-visible,.filter-chip:focus-visible{
      outline:3px solid rgba(70,214,255,.42);
      outline-offset:3px;
    }
    .nav-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      background:#fff;
      border-radius:99px;
    }

    .hero{
      position:relative;
      padding:86px 0 70px;
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(9,11,17,.92) 0%, rgba(9,11,17,.78) 46%, rgba(9,11,17,.35) 100%),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      opacity:.72;
      z-index:-2;
    }
    .hero::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      bottom:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.24), transparent);
    }
    .hero-layout{
      display:grid;
      grid-template-columns:1.02fr .78fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.07);
      border-radius:999px;
      color:#ffd7e2;
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(255,77,125,.16);
    }
    h1{
      margin:0;
      max-width:780px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.05em;
    }
    .hero-subtitle{
      max-width:720px;
      margin:22px 0 0;
      color:#d7deee;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      box-shadow:0 16px 34px rgba(255,77,125,.30);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(255,77,125,.38)}
    .btn-ghost{
      background:rgba(255,255,255,.075);
      color:#fff;
      border-color:var(--border-strong);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
      color:var(--muted);
      font-size:14px;
    }
    .hero-note span{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
    }
    .hero-showcase{
      position:relative;
      min-height:450px;
    }
    .showcase-card{
      position:absolute;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--border-strong);
      box-shadow:var(--shadow);
      background:rgba(23,29,46,.78);
    }
    .showcase-main{
      right:0;
      top:20px;
      width:86%;
    }
    .showcase-small{
      left:0;
      bottom:20px;
      width:54%;
      transform:rotate(-4deg);
    }
    .showcase-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      opacity:.92;
    }
    .showcase-caption{
      position:absolute;
      left:16px;
      right:16px;
      bottom:16px;
      padding:13px 14px;
      border-radius:18px;
      background:rgba(8,10,16,.72);
      backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.13);
    }
    .showcase-caption strong{display:block;font-size:15px}
    .showcase-caption span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .float-badge{
      position:absolute;
      right:18px;
      bottom:42px;
      padding:14px 16px;
      border-radius:20px;
      background:linear-gradient(135deg,rgba(255,77,125,.92),rgba(139,92,246,.92));
      box-shadow:0 20px 44px rgba(139,92,246,.28);
      font-weight:900;
      z-index:3;
    }

    main{overflow:hidden}
    .section{padding:74px 0}
    .section-tight{padding:48px 0}
    .section-head{
      max-width:760px;
      margin-bottom:30px;
    }
    .section-kicker{
      display:inline-flex;
      margin-bottom:10px;
      color:#ffb6ca;
      font-weight:900;
      font-size:13px;
      letter-spacing:.08em;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3.4vw,42px);
      line-height:1.18;
      letter-spacing:-.035em;
    }
    .section-desc{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .grid{
      display:grid;
      gap:18px;
    }
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
    .card{
      position:relative;
      border:1px solid var(--border);
      background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease), border-color var(--ease), background var(--ease);
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,255,255,.22);
      background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
    }
    .card-icon{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:rgba(255,77,125,.13);
      color:#ffd1dc;
      font-weight:900;
      margin-bottom:16px;
    }
    .card h3{
      margin:0 0 9px;
      font-size:20px;
      letter-spacing:-.02em;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .feature-panel{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:28px;
      align-items:stretch;
      padding:20px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
      box-shadow:var(--shadow-soft);
    }
    .feature-image{
      min-height:420px;
      border-radius:26px;
      overflow:hidden;
      position:relative;
    }
    .feature-image img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(9,11,17,.82));
    }
    .image-label{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      padding:16px;
      border-radius:18px;
      background:rgba(9,11,17,.70);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(14px);
    }
    .image-label strong{display:block;font-size:18px}
    .image-label span{color:var(--muted);font-size:14px}
    .feature-content{
      padding:18px 12px 18px 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#dce3f2;
      padding:14px;
      border:1px solid var(--border);
      border-radius:18px;
      background:rgba(255,255,255,.04);
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 24px;
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(70,214,255,.14);
      color:var(--cyan);
      font-weight:900;
      margin-top:1px;
    }
    .topic-strip{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      color:#dbe3f4;
      transition:transform var(--ease), background var(--ease), border-color var(--ease);
    }
    .filter-chip:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.22);
    }
    .filter-chip b{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(255,77,125,.12);
    }
    .scenario-card{
      min-height:235px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .scenario-card .num{
      color:rgba(255,255,255,.22);
      font-size:42px;
      font-weight:950;
      line-height:1;
      letter-spacing:-.05em;
    }
    .media-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .media-card{
      border-radius:var(--radius);
      overflow:hidden;
      background:var(--panel);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease), border-color var(--ease);
    }
    .media-card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.23)}
    .media-thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
    }
    .media-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .media-card:hover .media-thumb img{transform:scale(1.05)}
    .media-badge{
      position:absolute;
      left:14px;
      top:14px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(9,11,17,.76);
      border:1px solid rgba(255,255,255,.13);
      color:#fff;
      font-size:12px;
      font-weight:800;
      backdrop-filter:blur(10px);
    }
    .media-body{padding:18px}
    .media-body h3{margin:0 0 8px;font-size:19px}
    .media-body p{margin:0;color:var(--muted);font-size:14px}
    .steps{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step{
      counter-increment:step;
      position:relative;
      padding:24px;
      border-radius:var(--radius);
      border:1px solid var(--border);
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
    }
    .step::before{
      content:counter(step);
      display:grid;
      place-items:center;
      width:40px;
      height:40px;
      border-radius:14px;
      margin-bottom:18px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--accent),var(--primary));
    }
    .step h3{margin:0 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .notice-box{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:26px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(135deg, rgba(255,77,125,.18), rgba(139,92,246,.10)),
        rgba(255,255,255,.045);
      box-shadow:var(--shadow-soft);
    }
    .notice-box h2{margin:0 0 8px;font-size:26px}
    .notice-box p{margin:0;color:#d9e0ee}
    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:850;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
    }
    .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:0 0 auto;
    }
    .faq-item[open] summary::after{content:"−";background:rgba(255,77,125,.18);color:#ffd1dc}
    .faq-item p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
      border-top:1px solid rgba(255,255,255,.08);
      padding-top:16px;
    }
    .cta{
      padding:34px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(120deg, rgba(255,77,125,.92), rgba(139,92,246,.88)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow:0 26px 70px rgba(139,92,246,.28);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      top:-110px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .cta h2{margin:0 0 10px;font-size:32px;letter-spacing:-.03em}
    .cta p{margin:0;color:rgba(255,255,255,.86)}
    .cta .btn{
      position:relative;
      z-index:1;
      background:#fff;
      color:#171d2e;
      box-shadow:0 14px 34px rgba(0,0,0,.18);
    }
    .site-footer{
      padding:42px 0 30px;
      border-top:1px solid var(--border);
      background:rgba(5,7,12,.62);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr 1fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:20px;
      margin-bottom:8px;
    }
    .footer-brand p{
      margin:0;
      max-width:560px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .footer-meta{
      margin-top:28px;
      padding-top:20px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1024px){
      .hero-layout,.feature-panel{grid-template-columns:1fr}
      .hero-showcase{min-height:360px}
      .showcase-main{width:72%;right:4%}
      .showcase-small{width:42%;left:4%}
      .grid-4,.steps{grid-template-columns:repeat(2,1fr)}
      .grid-3,.media-row{grid-template-columns:repeat(2,1fr)}
      .feature-content{padding:8px}
      .feature-image{min-height:340px}
    }
    @media (max-width:768px){
      :root{--header-h:66px}
      .container{width:min(100% - 28px, var(--container))}
      .brand-text{font-size:16px}
      .nav-toggle{display:block}
      .site-nav{
        position:absolute;
        left:14px;
        right:14px;
        top:calc(var(--header-h) + 8px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
        background:rgba(12,15,23,.96);
        box-shadow:var(--shadow);
      }
      .site-nav.open{display:flex}
      .site-nav a{text-align:center;padding:12px}
      .hero{padding:58px 0 52px}
      .hero-actions{align-items:stretch}
      .btn{width:100%}
      .hero-showcase{min-height:300px}
      .section{padding:56px 0}
      .notice-box,.cta,.footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .footer-meta{flex-direction:column}
      .cta{padding:28px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .hero-subtitle{font-size:16px}
      .grid-3,.grid-4,.media-row,.steps{grid-template-columns:1fr}
      .card,.step{padding:20px}
      .showcase-main{width:86%;right:0;top:12px}
      .showcase-small{width:58%;bottom:12px}
      .float-badge{right:8px;bottom:16px;font-size:13px}
      .feature-image{min-height:270px}
      .section-title{font-size:28px}
      .cta h2{font-size:27px}
    }

/* roulang page: category2 */
:root {
      --color-bg: #0b0f19;
      --color-bg-soft: #111827;
      --color-surface: rgba(255, 255, 255, 0.07);
      --color-surface-strong: rgba(255, 255, 255, 0.12);
      --color-card: #121a2b;
      --color-card-2: #0f1728;
      --color-primary: #ff4d7d;
      --color-primary-dark: #dc2f61;
      --color-secondary: #8b5cf6;
      --color-accent: #22d3ee;
      --color-text: #f8fafc;
      --color-muted: #aab4c6;
      --color-soft: #dbe4f0;
      --color-border: rgba(255, 255, 255, 0.12);
      --color-border-strong: rgba(255, 255, 255, 0.2);
      --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
      --shadow-md: 0 18px 60px rgba(0, 0, 0, 0.35);
      --shadow-glow: 0 0 45px rgba(255, 77, 125, 0.22);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-pill: 999px;
      --container: 1160px;
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: var(--font-main);
      line-height: 1.7;
      color: var(--color-text);
      background:
        radial-gradient(circle at 12% 5%, rgba(139, 92, 246, 0.22), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(255, 77, 125, 0.18), transparent 34%),
        linear-gradient(180deg, #070a12 0%, var(--color-bg) 42%, #080b13 100%);
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    ::selection {
      background: rgba(255, 77, 125, 0.35);
      color: #fff;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(7, 10, 18, 0.82);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 12px 32px rgba(255, 77, 125, 0.3);
      font-size: 18px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: 17px;
    }

    .brand-text span {
      margin-top: 3px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 600;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.045);
    }

    .site-nav a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 16px;
      border-radius: var(--radius-pill);
      color: var(--color-soft);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .site-nav a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-1px);
    }

    .site-nav a.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255, 77, 125, 0.95), rgba(139, 92, 246, 0.92));
      box-shadow: 0 10px 28px rgba(255, 77, 125, 0.24);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--color-border);
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 20px;
      height: 2px;
      display: block;
      border-radius: 8px;
      background: #fff;
      content: "";
      transition: transform var(--ease), opacity var(--ease);
    }

    .menu-toggle span::before {
      transform: translateY(-7px);
    }

    .menu-toggle span::after {
      transform: translateY(5px);
    }

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

    .menu-toggle.is-open span::before {
      opacity: 0;
      transform: translateY(0);
    }

    .menu-toggle.is-open span::after {
      transform: translateY(-2px) rotate(-90deg);
    }

    .page-hero {
      position: relative;
      padding: 92px 0 72px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .page-hero::before {
      position: absolute;
      inset: 0;
      content: "";
      background:
        linear-gradient(90deg, rgba(7, 10, 18, 0.94) 0%, rgba(7, 10, 18, 0.72) 46%, rgba(7, 10, 18, 0.9) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      opacity: 0.9;
      z-index: -2;
    }

    .page-hero::after {
      position: absolute;
      width: 420px;
      height: 420px;
      right: -120px;
      top: 40px;
      content: "";
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 77, 125, 0.28), transparent 68%);
      filter: blur(8px);
      z-index: -1;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
      align-items: center;
      gap: 54px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-bottom: 18px;
      padding: 8px 13px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.08);
      color: #ffd7e1;
      font-size: 13px;
      font-weight: 800;
      backdrop-filter: blur(12px);
    }

    .eyebrow::before {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 6px rgba(255, 77, 125, 0.16);
      content: "";
    }

    h1 {
      max-width: 760px;
      font-size: clamp(34px, 5vw, 66px);
      line-height: 1.06;
      letter-spacing: -0.055em;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 720px;
      margin-top: 22px;
      color: #d6deec;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: var(--radius-pill);
      font-size: 15px;
      font-weight: 850;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: var(--shadow-glow);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(255, 77, 125, 0.34);
    }

    .btn-outline {
      color: #fff;
      border-color: rgba(255, 255, 255, 0.18);
      background: rgba(255, 255, 255, 0.07);
    }

    .btn-outline:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.34);
      background: rgba(255, 255, 255, 0.12);
    }

    .btn:focus-visible,
    .site-nav a:focus-visible,
    .brand:focus-visible,
    .footer-links a:focus-visible,
    .menu-toggle:focus-visible {
      outline: 3px solid rgba(34, 211, 238, 0.55);
      outline-offset: 3px;
    }

    .hero-panel {
      position: relative;
      padding: 18px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 34px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.055));
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 24px;
      filter: saturate(1.05) contrast(1.02);
    }

    .panel-note {
      position: absolute;
      left: 34px;
      right: 34px;
      bottom: 34px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(8, 11, 19, 0.74);
      border: 1px solid rgba(255, 255, 255, 0.14);
      backdrop-filter: blur(14px);
    }

    .panel-note strong {
      display: block;
      margin-bottom: 5px;
      font-size: 16px;
    }

    .panel-note p {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.55;
    }

    main {
      position: relative;
    }

    .section {
      padding: 84px 0;
    }

    .section.alt {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0));
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker {
      margin-bottom: 10px;
      color: var(--color-accent);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.12em;
    }

    .section-title {
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.18;
      letter-spacing: -0.035em;
      font-weight: 950;
    }

    .section-desc {
      margin-top: 14px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .stats-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 38px;
    }

    .stat-card {
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.06);
      box-shadow: var(--shadow-sm);
    }

    .stat-card strong {
      display: block;
      font-size: 28px;
      line-height: 1.1;
      color: #fff;
    }

    .stat-card span {
      display: block;
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 13px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .feature-card {
      position: relative;
      min-height: 246px;
      padding: 26px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035)),
        var(--color-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255, 77, 125, 0.42);
      box-shadow: var(--shadow-md);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      margin-bottom: 20px;
      border-radius: 17px;
      background: linear-gradient(135deg, rgba(255, 77, 125, 0.24), rgba(139, 92, 246, 0.22));
      border: 1px solid rgba(255, 255, 255, 0.14);
      font-size: 22px;
    }

    .feature-card h3 {
      font-size: 20px;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .feature-card p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 12px;
      border-radius: var(--radius-pill);
      color: #ffdce6;
      background: rgba(255, 77, 125, 0.12);
      border: 1px solid rgba(255, 77, 125, 0.24);
      font-size: 12px;
      font-weight: 800;
    }

    .showcase {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 34px;
      align-items: center;
    }

    .image-card {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
      background: var(--color-card);
    }

    .image-card img {
      width: 100%;
      min-height: 420px;
      object-fit: cover;
    }

    .image-card::after {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(180deg, transparent 35%, rgba(6, 9, 16, 0.62));
      pointer-events: none;
    }

    .content-card {
      padding: 34px;
      border: 1px solid var(--color-border);
      border-radius: 32px;
      background: rgba(255, 255, 255, 0.06);
      box-shadow: var(--shadow-sm);
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
      list-style: none;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 12px;
      align-items: start;
      color: var(--color-soft);
    }

    .check-list li::before {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      content: "✓";
      font-size: 13px;
      font-weight: 900;
      box-shadow: 0 8px 20px rgba(255, 77, 125, 0.22);
    }

    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scene-card {
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
      border: 1px solid var(--color-border);
      min-height: 184px;
      transition: transform var(--ease), background var(--ease), border-color var(--ease);
    }

    .scene-card:hover {
      transform: translateY(-4px);
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(34, 211, 238, 0.28);
    }

    .scene-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      margin-bottom: 18px;
      border-radius: 12px;
      color: #fff;
      background: rgba(34, 211, 238, 0.16);
      border: 1px solid rgba(34, 211, 238, 0.24);
      font-weight: 900;
    }

    .scene-card h3 {
      margin-bottom: 8px;
      font-size: 18px;
    }

    .scene-card p {
      color: var(--color-muted);
      font-size: 14px;
    }

    .process-wrap {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      counter-reset: process;
    }

    .process-card {
      position: relative;
      padding: 26px;
      border-radius: 28px;
      border: 1px solid var(--color-border);
      background: var(--color-card-2);
      overflow: hidden;
    }

    .process-card::before {
      counter-increment: process;
      content: "0" counter(process);
      display: inline-flex;
      margin-bottom: 52px;
      color: rgba(255, 255, 255, 0.18);
      font-size: 48px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -0.05em;
    }

    .process-card::after {
      position: absolute;
      width: 130px;
      height: 130px;
      right: -42px;
      top: -42px;
      content: "";
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 77, 125, 0.24), transparent 66%);
    }

    .process-card h3 {
      margin-bottom: 8px;
      font-size: 20px;
    }

    .process-card p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .notice-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 28px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255, 77, 125, 0.14), rgba(139, 92, 246, 0.12)),
        rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.14);
      box-shadow: var(--shadow-sm);
    }

    .notice-box h2 {
      margin-bottom: 8px;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.2;
    }

    .notice-box p {
      color: var(--color-muted);
    }

    .age-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 86px;
      height: 86px;
      border-radius: 28px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      font-size: 24px;
      font-weight: 950;
      box-shadow: var(--shadow-glow);
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.055);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding: 20px 22px;
      color: #fff;
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, 0.05);
    }

    .faq-question::after {
      content: "+";
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: var(--color-accent);
      font-size: 20px;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-item.is-open .faq-question::after {
      transform: rotate(45deg);
      background: rgba(255, 77, 125, 0.16);
      color: #fff;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--color-muted);
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 44px;
      border-radius: 36px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      background:
        linear-gradient(135deg, rgba(255, 77, 125, 0.26), rgba(139, 92, 246, 0.2)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      box-shadow: var(--shadow-md);
    }

    .cta-panel::before {
      position: absolute;
      inset: 0;
      content: "";
      background: rgba(7, 10, 18, 0.66);
    }

    .cta-content {
      position: relative;
      max-width: 760px;
      z-index: 1;
    }

    .cta-content h2 {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.15;
      letter-spacing: -0.04em;
      margin-bottom: 14px;
    }

    .cta-content p {
      color: #d7deeb;
      margin-bottom: 26px;
      font-size: 16px;
    }

    .site-footer {
      padding: 48px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      background: #070a12;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand strong {
      display: block;
      margin-bottom: 10px;
      font-size: 20px;
      letter-spacing: -0.02em;
    }

    .footer-brand p {
      max-width: 560px;
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .footer-links a {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 13px;
      border-radius: var(--radius-pill);
      color: var(--color-muted);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid rgba(255, 255, 255, 0.075);
      font-size: 13px;
      font-weight: 750;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateY(-1px);
      border-color: rgba(255, 77, 125, 0.28);
      background: rgba(255, 77, 125, 0.1);
    }

    .footer-meta {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      color: #7f8aa0;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .header-inner {
        min-height: 70px;
      }

      .site-nav a {
        padding: 0 12px;
      }

      .hero-layout,
      .showcase {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 650px;
      }

      .stats-strip,
      .scene-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .feature-grid,
      .process-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .menu-toggle {
        display: inline-flex;
      }

      .site-nav {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border-radius: 22px;
        background: rgba(10, 14, 24, 0.96);
        box-shadow: var(--shadow-md);
      }

      .site-nav.is-open {
        display: flex;
      }

      .site-nav a {
        justify-content: center;
        min-height: 46px;
      }

      .brand-text span {
        display: none;
      }

      .page-hero {
        padding: 64px 0 52px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .section {
        padding: 62px 0;
      }

      .feature-grid,
      .process-wrap,
      .stats-strip,
      .scene-grid {
        grid-template-columns: 1fr;
      }

      .notice-box {
        grid-template-columns: 1fr;
      }

      .age-badge {
        width: 74px;
        height: 74px;
        border-radius: 24px;
      }

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

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

    @media (max-width: 520px) {
      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-text strong {
        font-size: 15px;
      }

      .hero-panel {
        padding: 12px;
        border-radius: 24px;
      }

      .hero-panel img {
        border-radius: 18px;
      }

      .panel-note {
        position: static;
        margin-top: 12px;
        border-radius: 18px;
      }

      .content-card,
      .cta-panel {
        padding: 24px;
        border-radius: 26px;
      }

      .image-card img {
        min-height: 300px;
      }

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

/* roulang page: category3 */
:root{
      --bg:#07111f;
      --bg-soft:#0c1729;
      --panel:#0f1d33;
      --panel-2:#12243d;
      --card:#10213a;
      --card-2:#152a48;
      --text:#eef4ff;
      --muted:#a9b7d3;
      --soft:#7f91b3;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.13);
      --brand:#ff6b8b;
      --brand-2:#ffb36d;
      --accent:#6dd6ff;
      --ok:#50d890;
      --shadow:0 24px 70px rgba(0,0,0,.32);
      --shadow-soft:0 14px 40px rgba(0,0,0,.22);
      --radius:20px;
      --radius-sm:14px;
      --radius-xs:10px;
      --container:1200px;
      --gap:24px;
      --gap-sm:16px;
      --gap-xs:12px;
      --transition:all .24s 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(1100px 600px at 18% 8%, rgba(255,107,139,.12), transparent 55%),
        radial-gradient(900px 500px at 82% 4%, rgba(109,214,255,.10), transparent 50%),
        linear-gradient(180deg, #07111f 0%, #091424 48%, #06101d 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,107,139,.28);color:#fff}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(6,14,26,.72);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      min-height:76px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(145deg, rgba(255,107,139,.98), rgba(255,179,109,.96));
      color:#fff;
      box-shadow:0 14px 30px rgba(255,107,139,.24);
      font-weight:800;
      letter-spacing:.06em;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:18px;
      line-height:1.2;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      color:var(--muted);
      font-size:12px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-nav a{
      position:relative;
      padding:11px 15px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:14px;
      line-height:1;
      white-space:nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .site-nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,107,139,.22), rgba(109,214,255,.16));
      border-color:rgba(255,255,255,.12);
      box-shadow:0 12px 24px rgba(0,0,0,.16) inset;
    }
    .hero{
      position:relative;
      overflow:hidden;
      margin:22px 0 0;
      border-bottom:1px solid rgba(255,255,255,.05);
    }
    .hero-shell{
      position:relative;
      min-height:540px;
      display:grid;
      align-items:end;
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(6,14,26,.30) 0%, rgba(6,14,26,.72) 70%, rgba(6,14,26,.92) 100%),
        url('/assets/images/backpic/back-2.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:
        linear-gradient(110deg, rgba(7,17,31,.86) 0%, rgba(7,17,31,.52) 42%, rgba(7,17,31,.16) 100%);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:1;
      padding:72px 48px 44px;
      display:grid;
      gap:24px;
      max-width:860px;
    }
    .eyebrow-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .badge,
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.06);
      color:var(--text);
      font-size:13px;
      line-height:1;
      box-shadow:0 8px 24px rgba(0,0,0,.12);
    }
    .badge.primary{
      background:linear-gradient(135deg, rgba(255,107,139,.24), rgba(255,179,109,.18));
      border-color:rgba(255,255,255,.14);
      color:#fff;
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px, 5vw, 62px);
      line-height:1.06;
      letter-spacing:-.03em;
      max-width:14em;
    }
    .hero p{
      margin:0;
      font-size:18px;
      color:#d5def0;
      max-width:56em;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:13px 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      cursor:pointer;
      transition:var(--transition);
      box-shadow:var(--shadow-soft);
    }
    .btn-primary{
      color:#09111d;
      background:linear-gradient(135deg, #ffcf81 0%, #ff8da0 42%, #f45f85 100%);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-2px);
      filter:saturate(1.04);
      outline:none;
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.10);
      box-shadow:none;
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(255,255,255,.18);
      background:rgba(255,255,255,.08);
      outline:none;
    }
    .hero-meta{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
    }
    .meta-card{
      padding:16px 18px;
      border-radius:18px;
      background:rgba(9,18,32,.64);
      border:1px solid rgba(255,255,255,.09);
      box-shadow:0 18px 40px rgba(0,0,0,.16);
      backdrop-filter:blur(10px);
    }
    .meta-card strong{
      display:block;
      font-size:18px;
      margin-bottom:4px;
    }
    .meta-card span{
      display:block;
      color:var(--muted);
      font-size:13px;
    }
    main{
      padding:28px 0 72px;
    }
    .section{
      margin-top:28px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:48em;
      font-size:14px;
    }
    .panel{
      border-radius:24px;
      background:linear-gradient(180deg, rgba(18,36,61,.76), rgba(10,19,34,.74));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .panel-inner{padding:24px}
    .quick-links{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .cat-card{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(16,33,58,.98), rgba(11,22,39,.98));
      box-shadow:0 18px 42px rgba(0,0,0,.18);
      transition:var(--transition);
    }
    .cat-card:hover,
    .cat-card:focus-within{
      transform:translateY(-4px);
      border-color:rgba(255,255,255,.14);
      box-shadow:0 24px 50px rgba(0,0,0,.26);
    }
    .cat-thumb{
      aspect-ratio:16/10;
      overflow:hidden;
      position:relative;
      background:#0a1323;
    }
    .cat-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .cat-card:hover img{transform:scale(1.04)}
    ..cat-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      display:block;
    }
    .cat-body{
      padding:18px 18px 20px;
      display:grid;
      gap:12px;
    }
    .cat-body h3{
      margin:0;
      font-size:20px;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .cat-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:4px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#d9e3f7;
      border:1px solid rgba(255,255,255,.08);
      font-size:12px;
      line-height:1;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .feature-card{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(16,33,58,.96), rgba(10,19,34,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .feature-card .icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      background:linear-gradient(135deg, rgba(255,107,139,.22), rgba(109,214,255,.18));
      border:1px solid rgba(255,255,255,.09);
      font-weight:800;
      color:#fff;
    }
    .feature-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.3;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .split{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:18px;
      align-items:stretch;
    }
    .showcase{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:360px;
      background:
        linear-gradient(180deg, rgba(6,14,26,.08), rgba(6,14,26,.86)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .showcase::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(130deg, rgba(7,17,31,.72) 0%, rgba(7,17,31,.18) 58%, rgba(7,17,31,.72) 100%);
      pointer-events:none;
    }
    .showcase-inner{
      position:absolute;
      inset:auto 0 0 0;
      z-index:1;
      padding:28px;
      display:grid;
      gap:12px;
    }
    .showcase-inner h3{
      margin:0;
      font-size:28px;
      line-height:1.15;
      max-width:12em;
    }
    .showcase-inner p{
      margin:0;
      color:#dce6f8;
      max-width:44em;
      font-size:15px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      position:relative;
      padding-left:32px;
      color:#dbe5f6;
      font-size:15px;
    }
    .check-list li::before{
      content:"✓";
      position:absolute;
      left:0;
      top:0;
      width:20px;
      height:20px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(80,216,144,.14);
      color:var(--ok);
      font-weight:800;
    }
    .stats{
      display:grid;
      gap:12px;
    }
    .stat{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .stat strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      margin-bottom:4px;
    }
    .stat span{
      color:var(--muted);
      font-size:13px;
    }
    .stat .dot{
      width:12px;
      height:12px;
      border-radius:50%;
      margin-top:8px;
      background:linear-gradient(135deg, #ff8f9f, #ffd08c);
      box-shadow:0 0 0 6px rgba(255,143,159,.10);
      flex:0 0 auto;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .faq-item{
      padding:20px 20px 18px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .faq-item h3{
      margin:0 0 10px;
      font-size:17px;
      line-height:1.3;
    }
    .faq-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        linear-gradient(120deg, rgba(255,107,139,.18), rgba(109,214,255,.10)),
        linear-gradient(180deg, rgba(17,33,59,.98), rgba(10,19,34,.98));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
    }
    .cta-inner{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
      padding:28px;
    }
    .cta h2{
      margin:0 0 10px;
      font-size:30px;
      line-height:1.15;
    }
    .cta p{
      margin:0;
      color:#d8e2f3;
      font-size:15px;
    }
    .cta-box{
      padding:18px;
      border-radius:22px;
      background:rgba(7,17,31,.36);
      border:1px solid rgba(255,255,255,.08);
      display:grid;
      gap:12px;
    }
    .searchbar{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .searchbar input{
      flex:1 1 220px;
      min-width:0;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.06);
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:var(--transition);
    }
    .searchbar input::placeholder{color:#92a2c3}
    .searchbar input:focus{
      border-color:rgba(109,214,255,.35);
      box-shadow:0 0 0 4px rgba(109,214,255,.12);
    }
    .site-footer{
      padding:34px 0 24px;
      background:rgba(5,11,19,.62);
      border-top:1px solid rgba(255,255,255,.06);
    }
    .footer-grid{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:26px;
      padding-bottom:18px;
    }
    .footer-brand{
      max-width:560px;
    }
    .footer-brand strong{
      display:block;
      font-size:18px;
      margin-bottom:10px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      justify-content:flex-end;
    }
    .footer-links a{
      color:#dbe4f6;
      padding:8px 0;
      font-size:14px;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      outline:none;
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--soft);
      font-size:13px;
    }
    .section-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .section-note .dot-mini{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(255,107,139,.12);
      display:inline-block;
    }
    .soft-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .mini-card{
      padding:20px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .mini-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.25;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
      margin:0 0 14px;
    }
    .breadcrumbs a{
      color:#dfe8f8;
    }
    .breadcrumbs span{
      opacity:.55;
    }
    .page-top{
      padding:18px 0 0;
    }
    .page-banner{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:18px;
      padding:22px;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(255,107,139,.14), rgba(109,214,255,.08)),
        linear-gradient(180deg, rgba(16,33,58,.96), rgba(10,19,34,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .banner-copy{
      padding:6px 4px;
    }
    .banner-copy h2{
      margin:10px 0 12px;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.03em;
    }
    .banner-copy p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      max-width:48em;
    }
    .banner-media{
      border-radius:22px;
      overflow:hidden;
      min-height:240px;
      background:url('/assets/images/coverpic/cover-5.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 40px rgba(0,0,0,.18);
    }
    .banner-media img{display:none}
    @media (max-width: 1080px){
      .quick-links,
      .feature-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .split,
      .cta-inner,
      .page-banner{
        grid-template-columns:1fr;
      }
      .hero-content{
        padding:62px 28px 36px;
      }
      .hero-meta{
        grid-template-columns:1fr;
      }
      .footer-grid{
        flex-direction:column;
      }
      .footer-links{
        justify-content:flex-start;
      }
    }
    @media (max-width: 768px){
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
        padding:16px 0 14px;
      }
      .site-nav{
        justify-content:flex-start;
        overflow-x:auto;
        width:100%;
        padding-bottom:4px;
        scrollbar-width:none;
      }
      .site-nav::-webkit-scrollbar{display:none}
      .site-nav a{padding:10px 13px}
      .hero-shell{
        min-height:unset;
        border-radius:22px;
      }
      .hero-content{
        padding:54px 20px 28px;
      }
      .hero h1{
        max-width:100%;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .quick-links,
      .feature-grid,
      .faq-grid,
      .soft-grid{
        grid-template-columns:1fr;
      }
      .panel-inner{
        padding:20px;
      }
      .banner-copy h2,
      .cta h2{
        font-size:28px;
      }
      .showcase-inner{
        padding:22px;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(calc(100% - 22px), var(--container));
      }
      .hero-content{
        padding:44px 18px 24px;
      }
      .hero p,
      .banner-copy p,
      .cta p{
        font-size:14px;
      }
      .btn{
        width:100%;
      }
      .hero-actions,
      .searchbar{
        width:100%;
      }
      .brand-text strong{
        font-size:16px;
      }
      .site-nav a{
        font-size:13px;
      }
      .site-footer{
        padding-top:28px;
      }
    }