/* roulang page: index */
:root{
      --bg: #0b0d10;
      --bg-2: #11151a;
      --panel: rgba(18, 22, 28, .86);
      --panel-2: rgba(24, 29, 36, .92);
      --line: rgba(255,255,255,.10);
      --line-2: rgba(255,255,255,.16);
      --text: #f4f6f8;
      --muted: rgba(244,246,248,.72);
      --soft: rgba(244,246,248,.56);
      --accent: #7ef0c6;
      --accent-2: #c8a45d;
      --accent-3: #56c7ff;
      --danger: #ffb48f;
      --shadow: 0 22px 52px rgba(0,0,0,.38);
      --shadow-soft: 0 10px 26px rgba(0,0,0,.22);
      --radius: 18px;
      --radius-sm: 14px;
      --radius-lg: 26px;
      --container: 1280px;
      --space: clamp(18px, 3vw, 30px);
      --space-lg: clamp(26px, 4vw, 48px);
      --transition: 160ms ease;
    }
    *{box-sizing:border-box}
    html{
      scroll-behavior:smooth;
      -webkit-text-size-adjust:100%;
      text-size-adjust:100%;
    }
    body{
      margin:0;
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(126,240,198,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(198,164,93,.12), transparent 24%),
        linear-gradient(180deg, #0a0c0f 0%, #0d1115 48%, #090b0e 100%);
      min-height:100vh;
      overflow-x:hidden;
      letter-spacing:.2px;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:72px 72px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 86%);
      opacity:.22;
      z-index:-1;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:transform var(--transition), color var(--transition), background-color var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition);
    }
    img{
      display:block;
      width:100%;
      height:auto;
      border:0;
    }
    button,input,textarea,select{
      font:inherit;
    }
    ::selection{
      background:rgba(126,240,198,.24);
      color:#fff;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,10,13,.62);
      backdrop-filter:saturate(130%) blur(14px);
      border-bottom:1px solid rgba(255,255,255,.06);
      transition:background var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(9,11,15,.84);
      box-shadow:0 8px 30px rgba(0,0,0,.24);
      border-bottom-color:rgba(255,255,255,.08);
    }
    .header-inner{
      min-height:82px;
      display:flex;
      align-items:center;
      gap:18px;
      position:relative;
    }
    .brand{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:2px;
      min-width:220px;
      flex:0 0 auto;
    }
    .brand-main{
      font-weight:800;
      font-size:1.02rem;
      letter-spacing:.4px;
      line-height:1.1;
    }
    .brand-sub{
      font-size:.84rem;
      color:var(--muted);
      line-height:1.1;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      font-size:.95rem;
      white-space:nowrap;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      border-color:rgba(126,240,198,.28);
      background:rgba(126,240,198,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#08100d;
      background:linear-gradient(135deg, var(--accent), #a6f4da);
      border-color:transparent;
      box-shadow:0 10px 24px rgba(126,240,198,.14);
    }
    .header-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      background:linear-gradient(135deg, rgba(126,240,198,.16), rgba(198,164,93,.16));
      border:1px solid rgba(255,255,255,.10);
      color:var(--text);
      box-shadow:var(--shadow-soft);
      white-space:nowrap;
      flex:0 0 auto;
    }
    .header-cta:hover,
    .header-cta:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(126,240,198,.3);
      box-shadow:0 16px 28px rgba(0,0,0,.28);
      outline:none;
    }
    .nav-toggle{
      display:none;
      margin-left:auto;
      width:46px;
      height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      align-items:center;
      justify-content:center;
      gap:4px;
      padding:0;
      cursor:pointer;
      box-shadow:var(--shadow-soft);
    }
    .nav-toggle span{
      display:block;
      width:16px;
      height:1.8px;
      border-radius:10px;
      background:currentColor;
      position:absolute;
      transform:translateY(-6px);
    }
    .nav-toggle span:nth-child(2){
      transform:translateY(0);
    }
    .nav-toggle span:nth-child(3){
      transform:translateY(6px);
    }
    .nav-toggle em{
      position:absolute;
      width:1px;
      height:1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
    }
    .site-main{
      padding-bottom:32px;
    }
    .hero{
      position:relative;
      padding:clamp(32px, 5vw, 64px) 0 20px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      padding:clamp(16px, 2vw, 24px) 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
    }
    .eyebrow,
    .section-kicker,
    .card-tag,
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(126,240,198,.18);
      background:rgba(126,240,198,.08);
      color:var(--accent);
      font-size:.82rem;
      letter-spacing:.6px;
      text-transform:none;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.4rem, 5vw, 4.8rem);
      line-height:1.02;
      letter-spacing:-.02em;
    }
    .hero-lead{
      margin:0;
      color:var(--muted);
      font-size:clamp(1rem, 1.45vw, 1.12rem);
      line-height:1.9;
      max-width:48rem;
    }
    .hero-chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .hero-chips span{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:rgba(244,246,248,.84);
      font-size:.92rem;
    }
    .hero-actions,
    .btn-group,
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.2px;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), filter var(--transition);
      outline:none;
      box-shadow:var(--shadow-soft);
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
      filter:brightness(1.06);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), #9af0d1);
      color:#05100c;
    }
    .btn-secondary{
      background:rgba(255,255,255,.05);
      color:var(--text);
      border-color:rgba(255,255,255,.12);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(126,240,198,.28);
      background:rgba(126,240,198,.08);
    }
    .btn-sm{
      min-height:40px;
      padding:0 14px;
      font-size:.92rem;
    }
    .hero-note{
      color:var(--soft);
      font-size:.92rem;
      line-height:1.8;
      padding-top:2px;
    }
    .hero-visual{
      display:grid;
      gap:16px;
      align-content:start;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      min-height:360px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.04));
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-stage img{
      width:100%;
      height:100%;
      min-height:360px;
      object-fit:cover;
      filter:saturate(1.02) contrast(1.02);
      transform:scale(1.01);
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(3,4,6,.08) 0%, rgba(3,4,6,.12) 50%, rgba(3,4,6,.72) 100%),
        linear-gradient(120deg, rgba(126,240,198,.10), transparent 52%);
      pointer-events:none;
    }
    .hero-stage-copy{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .hero-stage-copy strong{
      font-size:1.22rem;
      line-height:1.35;
      letter-spacing:.2px;
      text-shadow:0 3px 20px rgba(0,0,0,.34);
    }
    .hero-stage-copy span{
      color:rgba(244,246,248,.82);
      width:max-content;
    }
    .hero-mini-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .hero-mini-card{
      overflow:hidden;
      border-radius:var(--radius);
      background:var(--panel);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .hero-mini-card:hover{
      transform:translateY(-2px);
      border-color:rgba(126,240      border-color:rgba(126,240,198,.22);
      box-shadow:0 16px 36px rgba(0,0,0,.28);
    }
    .hero-mini-card figure{
      margin:0;
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#12161b;
    }
    .hero-mini-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 220ms ease, filter 220ms ease;
    }
    .hero-mini-card:hover img{
      transform:scale(1.03);
      filter:saturate(1.05);
    }
    .hero-mini-card .mini-body{
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .hero-mini-card .mini-body strong{
      font-size:1rem;
      line-height:1.4;
    }
    .hero-mini-card .mini-body p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .notice-strip{
      margin-top:20px;
      padding:14px 16px;
      border-radius:var(--radius);
      background:linear-gradient(135deg, rgba(126,240,198,.10), rgba(198,164,93,.10));
      border:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      box-shadow:var(--shadow-soft);
    }
    .notice-strip strong{
      font-size:.98rem;
      letter-spacing:.2px;
    }
    .notice-strip .notice-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .notice-strip .notice-links a{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      font-size:.9rem;
    }
    .notice-strip .notice-links a:hover,
    .notice-strip .notice-links a:focus-visible{
      border-color:rgba(126,240,198,.24);
      background:rgba(126,240,198,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .section{
      padding:clamp(28px, 4vw, 56px) 0 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:20px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.5rem, 2.3vw, 2.2rem);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      max-width:48rem;
      font-size:.98rem;
    }
    .section-grid{
      display:grid;
      gap:18px;
    }
    .feature-grid{
      grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
      align-items:stretch;
    }
    .panel{
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      position:relative;
    }
    .feature-main{
      min-height:100%;
      display:grid;
      grid-template-rows:auto 1fr;
    }
    .feature-main .cover{
      position:relative;
      aspect-ratio: 16 / 9;
      overflow:hidden;
    }
    .feature-main .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-main .cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(8,10,13,.02) 0%, rgba(8,10,13,.15) 40%, rgba(8,10,13,.78) 100%);
      pointer-events:none;
    }
    .feature-main .content{
      display:flex;
      flex-direction:column;
      gap:14px;
      padding:20px;
    }
    .feature-main h3{
      margin:0;
      font-size:1.4rem;
      line-height:1.35;
    }
    .feature-main p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .feature-side{
      display:grid;
      grid-template-rows:repeat(2, minmax(0, 1fr));
      gap:18px;
    }
    .mini-feature{
      display:grid;
      grid-template-columns: 120px 1fr;
      gap:14px;
      padding:14px;
      align-items:center;
    }
    .mini-feature figure{
      margin:0;
      border-radius:14px;
      overflow:hidden;
      aspect-ratio:1 / 1;
      background:#11151a;
    }
    .mini-feature img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .mini-feature .body{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .mini-feature h3{
      margin:0;
      font-size:1.05rem;
      line-height:1.45;
    }
    .mini-feature p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.7;
    }
    .mini-feature .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(244,246,248,.78);
      border:1px solid rgba(255,255,255,.08);
      font-size:.8rem;
    }
    .matrix-grid{
      grid-template-columns:repeat(4, minmax(0, 1fr));
    }
    .card{
      display:flex;
      flex-direction:column;
      overflow:hidden;
      border-radius:var(--radius);
      background:var(--panel);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
      min-height:100%;
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(126,240,198,.22);
      box-shadow:0 18px 34px rgba(0,0,0,.28);
    }
    .card .thumb{
      position:relative;
      aspect-ratio: 4 / 3;
      overflow:hidden;
      background:#12161b;
    }
    .card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 220ms ease, filter 220ms ease;
    }
    .card:hover .thumb img{
      transform:scale(1.03);
      filter:saturate(1.06);
    }
    .card .body{
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .card h3{
      margin:0;
      font-size:1.04rem;
      line-height:1.45;
    }
    .card p{
      margin:0;
      color:var(--muted);
      line-height:1.72;
      font-size:.93rem;
      flex:1;
    }
    .card .footer-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:.8rem;
      color:#d9f6ec;
      background:rgba(126,240,198,.10);
      border:1px solid rgba(126,240,198,.14);
    }
    .link-more{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--accent);
      font-size:.92rem;
      font-weight:700;
      white-space:nowrap;
    }
    .link-more:hover,
    .link-more:focus-visible{
      color:#b8ffe8;
      outline:none;
      transform:translateX(2px);
    }
    .info-grid{
      grid-template-columns:repeat(3, minmax(0, 1fr));
      align-items:stretch;
    }
    .info-card{
      padding:20px;
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .info-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .info-icon{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(126,240,198,.18), rgba(198,164,93,.16));
      border:1px solid rgba(255,255,255,.08);
      color:var(--accent);
      flex:0 0 auto;
    }
    .info-card h3{
      margin:0;
      font-size:1.05rem;
      line-height:1.4;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.94rem;
    }
    .check-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      position:relative;
      padding-left:22px;
      color:rgba(244,246,248,.86);
      line-height:1.75;
    }
    .check-list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.6em;
      width:10px;
      height:10px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--accent), #a6f4da);
      box-shadow:0 0 0 4px rgba(126,240,198,.12);
    }
    .pill-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      color:rgba(244,246,248,.86);
      font-size:.9rem;
    }
    .pill.active{
      background:rgba(126,240,198,.12);
      border-color:rgba(126,240,198,.24);
      color:#dffcf2;
    }
    .timeline{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .timeline li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .timeline li:last-child{
      border-bottom:none;
      padding-bottom:0;
    }
    .timeline .num{
      width:36px;
      height:36px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(126,240,198,.12);
      color:var(--accent);
      border:1px solid rgba(126,240,198,.18);
      font-weight:800;
      flex:0 0 auto;
    }
    .timeline strong{
      display:block;
      margin-bottom:4px;
      font-size:1rem;
    }
    .timeline span{
      color:var(--muted);
      line-height:1.75;
      font-size:.94rem;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(320px,.78fr);
      gap:18px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:var(--radius);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(126,240,198,.24);
      background:rgba(126,240,198,.05);
    }
    summary.faq-q{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      line-height:1.5;
    }
    summary.faq-q::-webkit-details-marker{
      display:none;
    }
    .faq-q span{
      color:var(--accent);
      font-size:1.15rem;
      flex:0 0 auto;
      transition:transform var(--transition);
    }
    details[open] .faq-q span{
      transform:rotate(45deg);
    }
    .faq-a{
      padding:0 18px 18px 18px;
      color:var(--muted);
      line-height:1.85;
      font-size:.95rem;
    }
    .side-panel{
      padding:20px;
      display:grid;
      gap:18px;
    }
    .side-panel .stat-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .stat{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .stat strong{
      display:block;
      font-size:1.2rem;
      line-height:1.15;
      margin-bottom:4px;
      color:#fff;
    }
    .stat span{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.55;
    }
    .cta-panel{
      padding:26px;
      display:grid;
      gap:16px;
      align-items:center;
      background:
        linear-gradient(135deg, rgba(126,240,198,.16), rgba(198,164,93,.12)),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 24px 54px rgba(0,0,0,.34);
    }
    .cta-panel h2{
      margin:0;
      font-size:clamp(1.45rem, 2.1vw, 2.1rem);
      line-height:1.24;
    }
    .cta-panel p{
      margin:0;
      color:rgba(244,246,248,.88);
      line-height:1.85;
      max-width:50rem;
    }
    .footer{
      margin-top:34px;
      padding:34px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) repeat(2,minmax(0,.6fr));
      gap:20px;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding-right:14px;
    }
    .footer-brand .brand-main{
      font-size:1.1rem;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      max-width:34rem;
      font-size:.94rem;
    }
    .footer-col h3{
      margin:0 0 12px 0;
      font-size:1rem;
      line-height:1.3;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:.94rem;
      line-height:1.5;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--text);
      transform:translateX(2px);
      outline:none;
    }
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--soft);
      font-size:.88rem;
      line-height:1.6;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin:0 0 14px;
      color:var(--soft);
      font-size:.86rem;
    }
    .breadcrumb a{
      color:rgba(244,246,248,.74);
    }
    .breadcrumb a:hover,
    .breadcrumb a:focus-visible{
      color:var(--text);
      outline:none;
    }
    .breadcrumb .sep{
      opacity:.42;
    }
    .skip-link{
      position:absolute;
      left:-9999px;
      top:12px;
      background:#fff;
      color:#000;
      padding:10px 14px;
      border-radius:12px;
      z-index:100;
    }
    .skip-link:focus{
      left:12px;
    }
    .backdrop-card{
      position:relative;
      overflow:hidden;
    }
    .backdrop-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
      pointer-events:none;
    }
    .spacer{
      height:8px;
    }
    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }
    @media (max-width: 1120px){
      .hero-grid,
      .feature-grid,
      .faq-wrap,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .matrix-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .info-grid{
        grid-template-columns:1fr;
      }
      .hero-visual{
        order:-1;
      }
      .brand{
        min-width:0;
      }
    }
    @media (max-width: 860px){
      .site-nav{
        position:absolute;
        right:0;
        top:calc(100% + 12px);
        flex-direction:column;
        align-items:stretch;
        width:min(320px, calc(100vw - 24px));
        padding:12px;
        border-radius:18px;
        background:rgba(9,11,15,.96);
        border:1px solid rgba(255,255,255,.08);
        box-shadow:0 18px 34px rgba(0,0,0,.32);
        opacity:0;
        visibility:hidden;
        transform:translateY(-8px);
        pointer-events:none;
      }
      .site-nav.is-open{
        opacity:1;
        visibility:visible;
        transform:translateY(0);
        pointer-events:auto;
      }
      .nav-toggle{
        display:inline-flex;
        position:relative;
      }
      .nav-link,
      .header-cta{
        width:100%;
        justify-content:center;
      }
      .header-inner{
        min-height:74px;
      }
      .hero{
        padding-top:26px;
      }
      .hero-stage{
        min-height:300px;
      }
      .hero-stage img{
        min-height:300px;
      }
      .hero-mini-grid{
        grid-template-columns:1fr;
      }
      .mini-feature{
        grid-template-columns:100px 1fr;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
    }
    @media (max-width: 640px){
      .container{
        width:min(var(--container), calc(100% - 22px));
      }
      .header-inner{
        gap:12px;
      }
      .brand-main{
        font-size:.98rem;
      }
      .brand-sub{
        font-size:.8rem;
      }
      .hero h1{
        font-size:clamp(2rem, 11vw, 3rem);
      }
      .hero-lead,
      .section-desc,
      .cta-panel p{
        line-height:1.8;
      }
      .notice-strip{
        padding:13px 14px;
      }
      .notice-strip strong{
        width:100%;
      }
      .matrix-grid{
        grid-template-columns:1fr;
      }
      .card .body,
      .info-card,
      .side-panel,
      .cta-panel{
        padding:16px;
      }
      .footer-grid{
        gap:18px;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #0d1117;
      --bg-soft: #111720;
      --panel: #151c26;
      --panel-2: #1a2230;
      --line: rgba(255,255,255,.08);
      --line-strong: rgba(255,255,255,.14);
      --text: #edf2f8;
      --muted: #a7b1bf;
      --muted-2: #7f8a98;
      --accent: #35d0c3;
      --accent-2: #d9aa58;
      --accent-3: #6ae0a0;
      --shadow: 0 18px 45px rgba(0,0,0,.28);
      --shadow-soft: 0 10px 24px rgba(0,0,0,.18);
      --radius: 18px;
      --radius-sm: 14px;
      --container: 1280px;
      --header-h: 78px;
      --transition: 160ms ease;
      --focus: 0 0 0 3px rgba(53,208,195,.18), 0 0 0 1px rgba(53,208,195,.45);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(53,208,195,.08), transparent 28%),
        radial-gradient(circle at top right, rgba(217,170,88,.07), transparent 24%),
        linear-gradient(180deg, #0b0f15 0%, #0d1117 36%, #10151d 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: 38px 38px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,0) 58%);
      opacity:.35;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(53,208,195,.22);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(150%) blur(14px);
      background:rgba(10,14,20,.78);
      border-bottom:1px solid rgba(255,255,255,.06);
      transition:padding var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(10,14,20,.92);
      box-shadow:0 12px 24px rgba(0,0,0,.22);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-main{
      font-size:1.12rem;
      font-weight:800;
      letter-spacing:.02em;
      line-height:1.2;
      color:#fff;
      white-space:nowrap;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
      white-space:nowrap;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-link,.header-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border:1px solid transparent;
      border-radius:999px;
      font-size:.95rem;
      font-weight:600;
      letter-spacing:.01em;
      color:var(--muted);
      background:transparent;
    }
    .nav-link:hover,.header-cta:hover{
      color:#fff;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#081016;
      background:linear-gradient(135deg, #8cf0e7 0%, #35d0c3 100%);
      box-shadow:0 10px 20px rgba(53,208,195,.16);
    }
    .header-cta{
      color:#0c1218;
      background:linear-gradient(135deg, #f1c97a 0%, #d9aa58 100%);
      box-shadow:0 10px 20px rgba(217,170,88,.16);
    }
    .header-cta:hover{
      color:#0b1016;
      border-color:rgba(255,255,255,.12);
      box-shadow:0 14px 24px rgba(217,170,88,.22);
    }
    .nav-toggle{
      display:none;
      align-items:center;
      gap:10px;
      min-height:44px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid var(--line);
      color:#eef3f8;
      background:rgba(255,255,255,.03);
    }
    .nav-toggle span{
      display:block;
      width:16px;
      height:2px;
      background:currentColor;
      border-radius:99px;
    }
    .nav-toggle em{
      font-style:normal;
      font-size:.9rem;
      font-weight:600;
    }

    .hero{
      position:relative;
      overflow:hidden;
      padding:42px 0 20px;
    }
    .hero-shell{
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(120deg, rgba(10,14,20,.94) 0%, rgba(13,19,27,.88) 48%, rgba(13,19,27,.66) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 80% 18%, rgba(53,208,195,.20), transparent 25%),
        radial-gradient(circle at 88% 70%, rgba(217,170,88,.15), transparent 20%),
        linear-gradient(90deg, rgba(10,14,20,.12), rgba(10,14,20,.48));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:stretch;
      padding:34px;
      min-height:460px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(53,208,195,.25);
      background:rgba(53,208,195,.08);
      color:#baf6ef;
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.04em;
      width:fit-content;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(53,208,195,.14);
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:clamp(2rem, 4vw, 4.15rem);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:10.5ch;
    }
    .hero p{
      margin:0;
      max-width:58ch;
      color:#ced7e1;
      font-size:1.02rem;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#081016;
      background:linear-gradient(135deg, #8df3ea 0%, #35d0c3 100%);
      box-shadow:0 14px 24px rgba(53,208,195,.18);
    }
    .btn-primary:hover{box-shadow:0 18px 26px rgba(53,208,195,.22)}
    .btn-secondary{
      color:#eef3f8;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.10);
    }
    .btn-secondary:hover{
      border-color:rgba(53,208,195,.35);
      background:rgba(53,208,195,.08);
    }
    .btn-ghost{
      color:#f5dfaf;
      background:rgba(217,170,88,.08);
      border-color:rgba(217,170,88,.24);
    }
    .btn-ghost:hover{
      background:rgba(217,170,88,.12);
      border-color:rgba(217,170,88,.38);
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#cdd6df;
      font-size:.88rem;
      font-weight:600;
    }
    .hero-panel{
      display:grid;
      gap:14px;
      align-content:stretch;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(21,28,38,.88), rgba(17,24,33,.94));
      box-shadow:var(--shadow-soft);
    }
    .hero-card-media{
      position:relative;
      min-height:250px;
    }
    .hero-card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.96;
    }
    .hero-card-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,14,20,.05) 0%, rgba(10,14,20,.45) 100%);
    }
    .hero-card-body{
      padding:18px 18px 20px;
    }
    .hero-card h2{
      margin:0 0 8px;
      font-size:1.2rem;
      line-height:1.35;
    }
    .hero-card p{
      margin:0;
      color:var(--muted);
      font-size:.96rem;
      line-height:1.75;
    }
    .info-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .mini-info{
      padding:15px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .mini-info strong{
      display:block;
      margin-bottom:6px;
      font-size:1.02rem;
      color:#fff;
    }
    .mini-info span{
      font-size:.9rem;
      color:var(--muted);
      line-height:1.65;
    }

    .breadcrumb{
      padding:18px 0 4px;
    }
    .breadcrumb-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted-2);
      font-size:.92rem;
    }
    .breadcrumb-list a{
      color:#c7d0da;
    }
    .breadcrumb-list a:hover{color:var(--accent)}
    .breadcrumb-list span{
      opacity:.7;
    }

    .notice-strip{
      margin:18px 0 0;
      padding:14px 18px;
      border-radius:18px;
      border:1px solid rgba(53,208,195,.16);
      background:linear-gradient(135deg, rgba(53,208,195,.08), rgba(217,170,88,.08));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .notice-strip strong{
      font-size:.98rem;
      color:#fff;
    }
    .notice-strip p{
      margin:2px 0 0;
      color:#cdd6df;
      font-size:.92rem;
      line-height:1.7;
    }
    .notice-strip .btn{min-height:40px}

    .section{
      padding:26px 0 0;
    }
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.4rem, 2.4vw, 2.1rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:7px 0 0;
      color:var(--muted);
      max-width:68ch;
      font-size:.98rem;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:#d7e0e8;
      font-size:.9rem;
      font-weight:600;
    }
    .chip.active{
      color:#091015;
      background:linear-gradient(135deg, #a2f7f0, #35d0c3);
      border-color:transparent;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(12, 1fr);
      gap:18px;
    }
    .feature-card{
      grid-column:span 4;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(21,28,38,.92), rgba(16,22,31,.96));
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(53,208,195,.24);
      box-shadow:0 18px 32px rgba(0,0,0,.26);
    }
    .feature-media{
      position:relative;
      aspect-ratio: 16 / 10;
      overflow:hidden;
      background:#0f151d;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 260ms ease, filter 260ms ease;
    }
    .feature-card:hover .feature-media img{
      transform:scale(1.03);
      filter:saturate(1.05);
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,14,20,.02), rgba(10,14,20,.40));
    }
    .feature-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px 18px 20px;
      flex:1;
    }
    .feature-body h3{
      margin:0;
      font-size:1.12rem;
      line-height:1.4;
    }
    .feature-body p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.75;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .meta{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      color:#bfc9d4;
      font-size:.82rem;
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0, 1.55fr) minmax(290px, .85fr);
      gap:18px;
      align-items:start;
      margin-top:18px;
    }
    .card-list{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:18px;
    }
    .list-card{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(21,28,38,.94), rgba(16,22,31,.98));
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .list-card:hover{
      transform:translateY(-4px);
      border-color:rgba(217,170,88,.25);
      box-shadow:0 18px 32px rgba(0,0,0,.24);
    }
    .list-card .cover{
      position:relative;
      aspect-ratio: 4 / 3;
      overflow:hidden;
      background:#0f151d;
    }
    .list-card .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 260ms ease;
    }
    .list-card:hover .cover img{transform:scale(1.03)}
    .list-card .cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,14,20,.02), rgba(10,14,20,.44));
    }
    .list-card .body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .list-card h3{
      margin:0;
      font-size:1.06rem;
      line-height:1.45;
    }
    .list-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.72;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      color:#d5e1ea;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      font-size:.82rem;
    }
    .list-card .actions{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-top:2px;
    }
    .text-link{
      color:#bfeee9;
      font-weight:700;
    }
    .text-link:hover{color:#fff}
    .sidebar{
      display:grid;
      gap:18px;
    }
    .side-box{
      padding:20px;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(20,27,37,.94), rgba(16,22,31,.98));
      box-shadow:var(--shadow-soft);
    }
    .side-box h3{
      margin:0 0 10px;
      font-size:1.08rem;
    }
    .side-box p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.75;
    }
    .check-list{
      list-style:none;
      margin:14px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dce5ec;
      font-size:.94rem;
      line-height:1.7;
    }
    .check-list li::before{
      content:"";
      flex:0 0 10px;
      width:10px;
      height:10px;
      margin-top:.45em;
      border-radius:50%;
      background:linear-gradient(135deg, #8ff4eb, #35d0c3);
      box-shadow:0 0 0 4px rgba(53,208,195,.12);
    }
    .quick-links{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .quick-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#edf2f8;
    }
    .quick-links a:hover{
      border-color:rgba(53,208,195,.25);
      background:rgba(53,208,195,.06);
      transform:translateY(-2px);
    }
    .pager{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:center;
      margin-top:22px;
    }
    .pager a,.pager span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:42px;
      height:42px;
      padding:0 14px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dce5ec;
      font-weight:700;
    }
    .pager .current{
      color:#081016;
      background:linear-gradient(135deg, #a2f7f0, #35d0c3);
      border-color:transparent;
    }
    .pager a:hover{
      border-color:rgba(217,170,88,.25);
      background:rgba(217,170,88,.08);
      transform:translateY(-2px);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:18px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(21,28,38,.94), rgba(16,22,31,.98));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(53,208,195,.22);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      color:#f4f8fb;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#cfd8e2;
      flex:0 0 auto;
    }
    details.faq-item[open] summary::after{content:"–"; color:#081016; background:linear-gradient(135deg, #a2f7f0, #35d0c3)}
    .faq-body{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:.95rem;
      line-height:1.8;
    }

    .cta{
      padding:34px 0 54px;
    }
    .cta-box{
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(53,208,195,.12), rgba(217,170,88,.10)),
        linear-gradient(180deg, rgba(21,28,38,.96), rgba(15,21,29,.98));
      box-shadow:var(--shadow);
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .cta-box h2{
      margin:0 0 8px;
      font-size:clamp(1.4rem, 2.4vw, 2.2rem);
      line-height:1.2;
    }
    .cta-box p{
      margin:0;
      color:#d8e1ea;
      max-width:64ch;
      line-height:1.8;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
      flex:0 0 auto;
    }

    .footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(9,12,17,.96);
      padding:34px 0 18px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:22px;
      padding-bottom:22px;
    }
    .footer-brand p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:42ch;
      line-height:1.8;
      font-size:.95rem;
    }
    .footer-col h3{
      margin:0 0 14px;
      font-size:1rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#c9d3dd;
      width:fit-content;
    }
    .footer-links a:hover{color:var(--accent)}
    .footer-bottom{
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      color:var(--muted-2);
      font-size:.9rem;
    }

    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible{
      outline:none;
      box-shadow:var(--focus);
    }

    @media (max-width: 1100px){
      .hero-inner{grid-template-columns:1fr; min-height:auto}
      .info-grid{grid-template-columns:repeat(3, 1fr)}
      .feature-card{grid-column:span 6}
      .content-layout{grid-template-columns:1fr}
      .sidebar{grid-template-columns:repeat(2, minmax(0, 1fr))}
    }
    @media (max-width: 980px){
      .nav-toggle{display:inline-flex}
      .site-nav{
        position:absolute;
        top:calc(var(--header-h) - 2px);
        right:20px;
        left:20px;
        display:grid;
        gap:10px;
        padding:14px;
        border:1px solid rgba(255,255,255,.08);
        border-radius:18px;
        background:rgba(12,16,23,.96);
        box-shadow:var(--shadow);
        opacity:0;
        visibility:hidden;
        transform:translateY(-8px);
        pointer-events:none;
      }
      .site-nav.is-open{
        opacity:1;
        visibility:visible;
        transform:translateY(0);
        pointer-events:auto;
      }
      .site-nav .nav-link,
      .site-nav .header-cta{
        width:100%;
        justify-content:center;
      }
      .notice-strip,
      .cta-box{
        flex-direction:column;
        align-items:flex-start;
      }
      .cta-actions{justify-content:flex-start}
      .card-list{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .header-inner{min-height:72px}
      .brand-main{font-size:1rem}
      .brand-sub{font-size:.76rem}
      .hero{padding:22px 0 14px}
      .hero-shell{border-radius:22px}
      .hero-inner{padding:20px}
      .hero h1{max-width:none}
      .hero p{font-size:.97rem}
      .info-grid,
      .sidebar{grid-template-columns:1fr}
      .feature-grid{gap:14px}
      .feature-card{grid-column:span 12}
      .section{padding-top:20px}
      .feature-body,
      .list-card .body,
      .side-box,
      .cta-box{padding:18px}
    }
    @media (max-width: 520px){
      .hero-actions,
      .chip-row,
      .hero-tags,
      .badge-row,
      .pager,
      .footer-bottom{gap:8px}
      .btn,.nav-link,.header-cta{width:100%}
      .hero-actions .btn{width:100%}
      .notice-strip{padding:14px}
      .notice-strip .btn{width:100%}
      .section-head{align-items:flex-start}
      .cta-box{padding:20px}
      .footer-grid{grid-template-columns:1fr}
    }