/* roulang page: index */
:root{
      --bg:#f5f7fb;
      --bg-soft:#eef2ff;
      --surface:rgba(255,255,255,.86);
      --surface-strong:#ffffff;
      --surface-dark:#171827;
      --text:#121826;
      --muted:#5b6475;
      --line:rgba(99,110,135,.18);
      --line-strong:rgba(99,110,135,.28);
      --brand:#7c3aed;
      --brand-2:#ec4899;
      --brand-3:#2563eb;
      --accent:#14b8a6;
      --gold:#f59e0b;
      --shadow:0 18px 50px rgba(31,41,55,.10);
      --shadow-soft:0 10px 28px rgba(31,41,55,.08);
      --shadow-card:0 12px 30px rgba(78,56,128,.10);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1280px;
      --gap:24px;
      --transition:220ms cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 14%, rgba(124,58,237,.12), transparent 22%),
        radial-gradient(circle at 88% 8%, rgba(236,72,153,.12), transparent 20%),
        radial-gradient(circle at 70% 92%, rgba(37,99,235,.10), transparent 20%),
        linear-gradient(180deg,#f8faff 0%, #f4f6fb 100%);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    ::selection{background:rgba(124,58,237,.18); color:#3b1364}
    a{color:inherit; text-decoration:none}
    img{max-width:100%; display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .sr-only{
      position:absolute !important;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(245,247,251,.72);
      backdrop-filter:blur(18px);
      border-bottom:1px solid transparent;
      transition:box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .site-header.is-scrolled{
      box-shadow:0 8px 24px rgba(16,24,40,.08);
      border-bottom-color:rgba(99,110,135,.14);
      background:rgba(248,250,255,.86);
    }
    .nav-bar{
      min-height:64px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:10px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--brand) 0%, var(--brand-2) 52%, var(--brand-3) 100%);
      box-shadow:0 10px 24px rgba(124,58,237,.25);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.55);
      filter:blur(.2px);
    }
    .brand-mark::before{width:14px;height:14px;left:8px;top:9px}
    .brand-mark::after{width:20px;height:20px;right:6px;bottom:6px;opacity:.65}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      gap:3px;
    }
    .brand-text strong{
      font-size:1rem;
      letter-spacing:.02em;
      display:block;
    }
    .brand-text span{
      font-size:.74rem;
      color:var(--muted);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:12px;
      flex:1;
      min-width:0;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border-radius:999px;
      color:#415067;
      border:1px solid transparent;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
      white-space:nowrap;
      font-size:.95rem;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      background:rgba(124,58,237,.08);
      border-color:rgba(124,58,237,.18);
      color:#29124d;
      transform:translateY(-1px);
      box-shadow:0 8px 20px rgba(124,58,237,.08);
      outline:none;
    }
    .nav-link.active{
      background:linear-gradient(135deg, rgba(124,58,237,.14), rgba(236,72,153,.12));
      border-color:rgba(124,58,237,.24);
      color:#25103f;
      box-shadow:0 10px 22px rgba(124,58,237,.10);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      margin-left:auto;
    }
    .search-form{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(99,110,135,.16);
      box-shadow:0 8px 18px rgba(17,24,39,.04);
    }
    .search-form input{
      width:220px;
      border:0;
      outline:none;
      background:transparent;
      color:var(--text);
      padding:6px 10px;
    }
    .search-form input::placeholder{color:#7a8496}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:1px solid transparent;
      border-radius:999px;
      padding:12px 18px;
      min-height:44px;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      font-weight:700;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand) 0%, var(--brand-2) 52%, var(--brand-3) 100%);
      box-shadow:0 14px 28px rgba(124,58,237,.24);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 34px rgba(124,58,237,.30);
    }
    .btn-ghost{
      color:#2b3551;
      background:rgba(255,255,255,.88);
      border-color:rgba(99,110,135,.16);
      box-shadow:0 10px 24px rgba(17,24,39,.05);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      border-color:rgba(124,58,237,.24);
      background:#fff;
      box-shadow:0 14px 30px rgba(124,58,237,.10);
    }
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      border:1px solid rgba(99,110,135,.16);
      background:rgba(255,255,255,.84);
      box-shadow:0 8px 18px rgba(17,24,39,.05);
      color:#2b3551;
    }
    .menu-toggle svg{width:22px;height:22px}
    .mobile-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-panel-inner{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:14px;
      border-radius:24px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(99,110,135,.14);
      box-shadow:var(--shadow-soft);
    }
    .mobile-panel .nav-links{
      margin-left:0;
      flex-wrap:wrap;
    }
    .mobile-panel .search-form{
      width:100%;
    }
    .mobile-panel .search-form input{
      width:100%;
      min-width:0;
    }
    .hero{
      padding:30px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      background:
        radial-gradient(circle at 16% 18%, rgba(255,255,255,.16), transparent 22%),
        linear-gradient(135deg, rgba(124,58,237,.96) 0%, rgba(236,72,153,.94) 38%, rgba(37,99,235,.95) 100%);
      color:#fff;
      box-shadow:0 22px 58px rgba(79,44,160,.26);
      border:1px solid rgba(255,255,255,.14);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg, rgba(255,255,255,.06), transparent 30%),
        radial-gradient(circle at 84% 28%, rgba(255,255,255,.13), transparent 22%),
        radial-gradient(circle at 72% 78%, rgba(255,255,255,.10), transparent 18%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
      padding-right:12px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      font-size:.86rem;
      letter-spacing:.02em;
      backdrop-filter:blur(8px);
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:#fef08a;
      box-shadow:0 0 0 6px rgba(254,240,138,.14);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.4rem, 6vw, 4.8rem);
      line-height:1.05;
      letter-spacing:-.03em;
      max-width:10ch;
    }
    .hero-lead{
      margin:0;
      max-width:48rem;
      font-size:1.06rem;
      color:rgba(255,255,255,.92);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .hero-actions .btn{
      min-width:148px;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .stat-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      backdrop-filter:blur(10px);
      font-size:.92rem;
      box-shadow:0 12px 26px rgba(20,8,56,.08);
    }
    .stat-pill strong{
      font-size:1.02rem;
      font-weight:800;
    }
    .hero-stage{
      position:relative;
      min-height:410px;
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(8,12,25,.10) 0%, rgba(8,12,25,.42) 100%),
        radial-gradient(circle at 18% 18%, rgba(255,255,255,.28), transparent 18%),
        radial-gradient(circle at 78% 14%, rgba(255,255,255,.12), transparent 18%),
        linear-gradient(135deg, rgba(13,18,39,.25), rgba(12,18,43,.50));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.16), 0 18px 40px rgba(8,8,24,.22);
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(110deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,0) 25%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 58px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 58px);
      opacity:.38;
      mix-blend-mode:screen;
      pointer-events:none;
    }
    .video-core{
      position:absolute;
      inset:18px;
      border-radius:24px;
      overflow:hidden;
      background:
        radial-gradient(circle at 20% 20%, rgba(124,58,237,.60), transparent 25%),
        radial-gradient(circle at 80% 18%, rgba(236,72,153,.42), transparent 22%),
        radial-gradient(circle at 70% 78%, rgba(37,99,235,.34), transparent 24%),
        linear-gradient(135deg, rgba(7,10,22,.92), rgba(16,18,40,.80));
      border:1px solid rgba(255,255,255,.12);
    }
    .video-core::after{
      content:"";
      position:absolute;
      inset:-20%;
      background:linear-gradient(115deg, transparent 35%, rgba(255,255,255,.12) 50%, transparent 65%);
      transform:rotate(8deg);
      animation:sheen 7s linear infinite;
      opacity:.45;
    }
    @keyframes sheen{
      0%{transform:translateX(-15%) rotate(8deg)}
      100%{transform:translateX(15%) rotate(8deg)}
    }
    .play-badge{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      width:92px;
      height:92px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.24);
      backdrop-filter:blur(14px);
      box-shadow:0 18px 36px rgba(0,0,0,.22);
      z-index:2;
    }
    .play-badge::before{
      content:"";
      width:0;height:0;
      border-left:22px solid #fff;
      border-top:14px solid transparent;
      border-bottom:14px solid transparent;
      margin-left:6px;
      filter:drop-shadow(0 4px 10px rgba(0,0,0,.18));
    }
    .stage-top,
    .stage-bottom{
      position:absolute;
      left:20px;
      right:20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      z-index:2;
    }
    .stage-top{top:20px}
    .stage-bottom{bottom:20px}
    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      font-size:.86rem;
      backdrop-filter:blur(10px);
      box-shadow:0 10px 24px rgba(0,0,0,.12);
    }
    .mini-chip strong{font-size:.95rem}
    .stage-grid{
      position:absolute;
      inset:auto 20px 76px 20px;
      z-index:2;
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:10px;
    }
    .stage-card{
      padding:14px 14px 12px;
      border-radius:20px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
      color:#fff;
      box-shadow:0 12px 24px rgba(0,0,0,.10);
    }
    .stage-card small{
      display:block;
      color:rgba(255,255,255,.76);
      margin-bottom:6px;
      font-size:.82rem;
    }
    .stage-card strong{
      display:block;
      font-size:1.08rem;
      margin-bottom:4px;
    }
    .stage-card span{
      display:block;
      font-size:.88rem;
      color:rgba(255,255,255,.84);
    }
    .section{
      padding:24px 0;
    }
    .section-panel{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:32px;
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(14px);
      overflow:hidden;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      padding:28px 28px 0;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.45rem, 2.2vw, 2rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      max-width:64ch;
      font-size:.98rem;
    }
    .section-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#334155;
      font-size:.84rem;
      box-shadow:0 8px 16px rgba(17,24,39,.04);
      white-space:nowrap;
    }
    .badge strong{color:#111827}
    .grid{
      display:grid;
      gap:20px;
    }
    .topic-grid{
      grid-template-columns:1.25fr .75fr;
      padding:24px 28px 30px;
    }
    .feature-card,
    .soft-card,
    .proof-card,
    .news-card,
    .faq-card,
    .cta-card,
    .topic-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,255,.94));
      box-shadow:var(--shadow-card);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      overflow:hidden;
    }
    .feature-card:hover,
    .soft-card:hover,
    .proof-card:hover,
    .news-card:hover,
    .faq-card:hover,
    .cta-card:hover,
    .topic-card:hover{
      transform:translateY(-4px);
      box-shadow:0 18px 42px rgba(44,39,85,.12);
      border-color:rgba(124,58,237,.22);
    }
    .feature-card{
      padding:24px;
      min-height:100%;
      background:
        linear-gradient(145deg, rgba(124,58,237,.08), rgba(236,72,153,.06)),
        linear-gradient(180deg, #fff, #f8faff);
    }
    .feature-head{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      margin-bottom:16px;
    }
    .feature-head h3{
      margin:0;
      font-size:1.25rem;
      line-height:1.25;
    }
    .feature-head p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:40ch;
    }
    .feature-mini{
      display:grid;
      gap:12px;
      margin-top:20px;
    }
    .mini-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(99,110,135,.12);
    }
    .mini-row span{
      color:var(--muted);
      font-size:.9rem;
    }
    .mini-row strong{
      color:#1f2937;
      font-size:.95rem;
    }
    .chip-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border-radius:999px;
      border:1px solid rgba(124,58,237,.16);
      background:#fff;
      color:#3a4560;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      font-size:.88rem;
    }
    .chip:hover,
    .chip:focus-visible{
      transform:translateY(-2px);
      background:rgba(124,58,237,.08);
      border-color:rgba(124,58,237,.24);
      color:#2b134b;
      outline:none;
    }
    .topic-side{
      display:grid;
      gap:16px;
      align-content:start;
    }
    .topic-side .soft-card{
      padding:18px;
    }
    .soft-card h3,
    .soft-card h4{
      margin:0;
      line-height:1.25;
    }
    .soft-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.95rem;
    }
    .step-grid{
      grid-template-columns:repeat(3, minmax(0,1fr));
      padding:24px 28px 30px;
    }
    .step-card{
      padding:24px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg, #fff, #f8faff),
        linear-gradient(145deg, rgba(124,58,237,.06), rgba(236,72,153,.05));
    }
    .step-card::before{
      content:"";
      position:absolute;
      inset:auto -18px -18px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(124,58,237,.12), transparent 68%);
      pointer-events:none;
    }
    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
      color:#fff;
      font-weight:800;
      box-shadow:0 12px 22px rgba(124,58,237,.18);
      margin-bottom:18px;
    }
    .step-card h3{
      margin:0 0 8px;
      font-size:1.12rem;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .step-foot{
      margin-top:16px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .step-foot .badge{
      background:rgba(124,58,237,.06);
    }
    .proof-wrap{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
      padding:24px 28px 30px;
    }
    .proof-feature{
      padding:24px;
      background:
        linear-gradient(135deg, rgba(37,99,235,.08), rgba(124,58,237,.06)),
        linear-gradient(180deg, #fff, #f8faff);
    }
    .proof-feature h3{
      margin:0 0 10px;
      font-size:1.25rem;
    }
    .proof-feature p{
      margin:0 0 18px;
      color:var(--muted);
    }
    .meter{
      display:grid;
      gap:14px;
      margin-top:18px;
    }
    .meter-row{
      display:grid;
      grid-template-columns:108px 1fr 56px;
      gap:12px;
      align-items:center;
      font-size:.92rem;
    }
    .meter-row span{color:#354055}
    .meter-track{
      height:10px;
      border-radius:999px;
      background:rgba(99,110,135,.12);
      overflow:hidden;
      position:relative;
    }
    .meter-fill{
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--brand), var(--brand-2), var(--brand-3));
      box-shadow:0 8px 18px rgba(124,58,237,.18);
    }
    .proof-aside{
      display:grid;
      gap:16px;
      grid-template-columns:1fr 1fr;
    }
    .proof-card{
      padding:18px;
      min-height:180px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:#fff;
    }
    .proof-card strong{
      font-size:1.8rem;
      line-height:1;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .proof-card h4{
      margin:12px 0 8px;
      font-size:1.02rem;
    }
    .proof-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .proof-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .proof-tags .badge{
      background:rgba(37,99,235,.05);
    }
    .topic-panels{
      padding:24px 28px 30px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .topic-card{
      padding:22px;
      min-height:100%;
      position:relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,255,.96));
    }
    .topic-card.primary{
      background:
        linear-gradient(145deg, rgba(124,58,237,.08), rgba(255,255,255,.96)),
        linear-gradient(180deg, #fff, #f8faff);
    }
    .topic-card.secondary{
      background:
        linear-gradient(145deg, rgba(37,99,235,.08), rgba(255,255,255,.96)),
        linear-gradient(180deg, #fff, #f8faff);
    }
    .topic-card .topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .topic-card h3{
      margin:0;
      font-size:1.2rem;
    }
    .topic-card p{
      margin:10px 0 18px;
      color:var(--muted);
      font-size:.95rem;
      max-width:44ch;
    }
    .topic-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .topic-tags .badge{
      background:rgba(255,255,255,.9);
    }
    .topic-cta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .news-wrap{
      padding:24px 28px 30px;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .news-list{
      padding:18px 20px;
    }
    .news-list ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .news-list li a{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(99,110,135,.12);
      background:#fff;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .news-list li a:hover,
    .news-list li a:focus-visible{
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.22);
      box-shadow:0 12px 24px rgba(124,58,237,.08);
      outline:none;
    }
    .news-list strong{
      display:block;
      margin-bottom:4px;
      font-size:.98rem;
      color:#172033;
    }
    .news-list p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
    }
    .news-time{
      flex:0 0 auto;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(124,58,237,.08);
      color:#5b21b6;
      font-weight:700;
      font-size:.8rem;
    }
    .news-side{
      padding:18px;
      display:grid;
      gap:14px;
      align-content:start;
      background:
        linear-gradient(180deg, rgba(124,58,237,.06), rgba(255,255,255,.96)),
        linear-gradient(180deg, #fff, #f8faff);
    }
    .status-box{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(99,110,135,.12);
    }
    .status-box h4{
      margin:0 0 10px;
      font-size:1.02rem;
    }
    .status-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .status-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:.92rem;
    }
    .status-list li::before{
      content:"";
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 0 0 4px rgba(124,58,237,.08);
      flex:0 0 auto;
    }
    .faq-wrap{
      padding:24px 28px 30px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-card{
      background:linear-gradient(180deg, #fff, #f8faff);
    }
    .faq-item{
      border-bottom:1px solid rgba(99,110,135,.12);
    }
    .faq-item:last-child{border-bottom:0}
    .faq-q{
      width:100%;
      padding:18px 18px;
      background:transparent;
      border:0;
      text-align:left;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--text);
      font-weight:700;
    }
    .faq-q span{
      flex:1;
      min-width:0;
      line-height:1.45;
    }
    .faq-icon{
      width:34px;
      height:34px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(124,58,237,.08);
      color:#6d28d9;
      transition:transform var(--transition), background var(--transition);
      flex:0 0 auto;
    }
    .faq-item.open .faq-icon{
      transform:rotate(45deg);
      background:rgba(236,72,153,.10);
      color:#db2777;
    }
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .32s ease;
    }
    .faq-panel p{
      margin:0;
      padding:0 18px 18px;
      color:var(--muted);
      font-size:.95rem;
    }
    .faq-item.open .faq-panel{
      max-height:220px;
    }
    .cta-section{
      padding:24px 0 38px;
    }
    .cta-card{
      padding:28px;
      background:
        radial-gradient(circle at 12% 12%, rgba(255,255,255,.18), transparent 26%),
        linear-gradient(135deg, rgba(124,58,237,.98) 0%, rgba(236,72,153,.95) 48%, rgba(37,99,235,.96) 100%);
      color:#fff;
      border:0;
      box-shadow:0 24px 58px rgba(80,46,163,.26);
      position:relative;
      overflow:hidden;
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 82% 22%, rgba(255,255,255,.16), transparent 20%),
        radial-gradient(circle at 88% 78%, rgba(255,255,255,.08), transparent 18%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
    }
    .cta-copy h2{
      margin:0;
      font-size:clamp(1.6rem, 2.6vw, 2.4rem);
      line-height:1.18;
    }
    .cta-copy p{
      margin:10px 0 0;
      color:rgba(255,255,255,.92);
      max-width:58ch;
    }
    .cta-form{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
      align-items:center;
    }
    .cta-form input{
      width:min(340px, 100%);
      min-height:48px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.14);
      color:#fff;
      border-radius:999px;
      padding:12px 16px;
      outline:none;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .cta-form input::placeholder{color:rgba(255,255,255,.75)}
    .cta-form .btn{
      min-width:148px;
      min-height:48px;
    }
    .cta-hint{
      margin-top:14px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .cta-hint .badge{
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.18);
      color:#fff;
    }
    .footer{
      padding:0 0 34px;
    }
    .footer-shell{
      padding:26px 28px;
      border-radius:30px;
      border:1px solid rgba(99,110,135,.14);
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(14px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr auto;
      gap:20px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:44ch;
      font-size:.95rem;
    }
    .footer-links{
      display:grid;
      gap:12px;
      justify-items:start;
    }
    .footer-links h3,
    .footer-contact h3{
      margin:0 0 8px;
      font-size:1rem;
    }
    .footer-links a{
      color:#445067;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#6d28d9;
      transform:translateX(2px);
      outline:none;
    }
    .footer-contact{
      min-width:260px;
      color:#445067;
    }
    .footer-contact p{
      margin:0 0 10px;
      color:var(--muted);
    }
    .fine-print{
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(99,110,135,.12);
      color:#6b7280;
      font-size:.88rem;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .anchor-offset{scroll-margin-top:88px}
    .hidden-desktop{display:none}
    @media (max-width: 1279px){
      .hero-grid{grid-template-columns:1fr .92fr}
      .topic-grid,
      .proof-wrap,
      .news-wrap,
      .cta-grid,
      .footer-grid{grid-template-columns:1fr}
      .footer-contact{min-width:0}
      .proof-aside{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .section-meta{justify-content:flex-start}
      .nav-links{gap:6px}
      .search-form input{width:180px}
    }
    @media (max-width: 1023px){
      .nav-links,
      .nav-actions .search-form,
      .nav-actions .btn-primary{
        display:none;
      }
      .menu-toggle{display:inline-flex}
      .mobile-panel{display:block}
      .hero-grid{grid-template-columns:1fr; padding:26px}
      .hero-copy{padding-right:0}
      .hero-stage{min-height:360px}
      .step-grid{grid-template-columns:1fr}
      .proof-aside{grid-template-columns:1fr 1fr}
      .topic-panels{grid-template-columns:1fr}
      .faq-wrap{grid-template-columns:1fr}
      .nav-actions{margin-left:auto}
      .nav-bar{gap:12px}
    }
    @media (max-width: 767px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero{padding-top:20px}
      .hero-shell{border-radius:28px}
      .hero-grid,
      .section-head,
      .topic-grid,
      .step-grid,
      .proof-wrap,
      .topic-panels,
      .news-wrap,
      .faq-wrap,
      .cta-card,
      .footer-shell{padding-left:18px; padding-right:18px}
      .hero-grid{gap:20px}
      .hero h1{max-width:none}
      .hero-actions .btn,
      .cta-form .btn{width:100%}
      .hero-stage{min-height:300px}
      .stage-grid{
        inset:auto 14px 72px 14px;
        grid-template-columns:1fr;
      }
      .proof-aside{grid-template-columns:1fr}
      .meter-row{
        grid-template-columns:88px 1fr 48px;
      }
      .news-list li a{
        flex-direction:column;
      }
      .news-time{
        align-self:flex-start;
      }
      .cta-grid{
        grid-template-columns:1fr;
      }
      .cta-form{
        justify-content:stretch;
      }
      .cta-form input{
        width:100%;
      }
      .footer-grid{grid-template-columns:1fr}
      .fine-print{flex-direction:column}
      .mobile-panel .nav-links{
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .nav-link{
        width:100%;
        justify-content:center;
      }
    }
    @media (max-width: 520px){
      .brand-text span{display:none}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .menu-toggle{width:42px;height:42px}
      .hero-copy{gap:14px}
      .hero h1{font-size:2.1rem}
      .hero-lead{font-size:1rem}
      .hero-actions{display:grid; grid-template-columns:1fr; width:100%}
      .hero-note{display:grid; grid-template-columns:1fr; width:100%}
      .stat-pill{justify-content:center}
      .section{padding:18px 0}
      .section-panel{border-radius:26px}
      .section-head{padding-top:22px}
      .feature-card,.soft-card,.proof-card,.news-card,.faq-card,.topic-card,.cta-card{border-radius:22px}
      .step-card{padding:20px}
      .proof-feature,.news-list,.news-side,.topic-card,.footer-shell{padding:16px}
      .faq-q{padding:16px}
      .faq-panel p{padding:0 16px 16px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #f7f4ff;
      --bg-soft: #fcfbff;
      --surface: rgba(255,255,255,.82);
      --surface-strong: #ffffff;
      --surface-dark: #25163d;
      --text: #1e1733;
      --muted: #6f6787;
      --muted-2: #8b86a3;
      --line: rgba(101, 77, 167, .14);
      --line-strong: rgba(124, 58, 237, .18);
      --primary: #7c3aed;
      --primary-2: #ec4899;
      --primary-3: #5b21b6;
      --accent: #06b6d4;
      --success: #10b981;
      --warning: #f59e0b;
      --shadow-sm: 0 8px 24px rgba(55, 35, 104, .08);
      --shadow-md: 0 16px 38px rgba(55, 35, 104, .12);
      --shadow-lg: 0 26px 70px rgba(82, 41, 147, .18);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 34px;
      --container: 1320px;
      --gap: 24px;
      --transition: 180ms cubic-bezier(.2,.75,.2,1);
      --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(236,72,153,.13), transparent 22%),
        radial-gradient(circle at top right, rgba(124,58,237,.10), transparent 28%),
        radial-gradient(circle at 15% 80%, rgba(6,182,212,.08), transparent 22%),
        linear-gradient(180deg, #fbfaff 0%, #f6f2ff 34%, #f8f6ff 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
    }
    img{max-width:100%;display:block}
    button,input{
      font:inherit;
      border:0;
      outline:0;
    }
    button{cursor:pointer}
    :focus-visible{
      outline:3px solid rgba(124,58,237,.35);
      outline-offset:2px;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      background: rgba(250,247,255,.74);
      border-bottom:1px solid transparent;
      transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .header.is-scrolled{
      background: rgba(251,249,255,.92);
      border-bottom-color: rgba(124,58,237,.10);
      box-shadow: 0 12px 36px rgba(61, 38, 115, .08);
    }
    .header-inner{
      min-height:64px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:10px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
      flex:0 0 auto;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(236,72,153,1), rgba(124,58,237,1) 42%, rgba(59,130,246,1) 100%);
      box-shadow: 0 12px 24px rgba(124,58,237,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:auto;
      border-radius:999px;
      background: rgba(255,255,255,.86);
      filter: blur(.2px);
    }
    .brand-mark::before{
      width:12px;height:12px;left:11px;top:10px;opacity:.9;
    }
    .brand-mark::after{
      width:18px;height:18px;right:8px;bottom:8px;opacity:.42;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.12;
    }
    .brand-text strong{
      font-size:16px;
      letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      flex:1 1 auto;
      overflow-x:auto;
      scrollbar-width:none;
      padding:2px 0;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      white-space:nowrap;
      font-size:14px;
      line-height:1;
    }
    .nav-link:hover{
      color:var(--primary);
      background: rgba(124,58,237,.07);
      border-color: rgba(124,58,237,.10);
      transform: translateY(-1px);
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 20px rgba(124,58,237,.18);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .search-box{
      display:flex;
      align-items:center;
      min-width:280px;
      max-width:380px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(124,58,237,.14);
      background: rgba(255,255,255,.8);
      box-shadow: 0 8px 22px rgba(77, 43, 142, .06);
      transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
    }
    .search-box:focus-within{
      border-color: rgba(124,58,237,.30);
      box-shadow: 0 14px 34px rgba(124,58,237,.12);
      transform: translateY(-1px);
    }
    .search-box input{
      flex:1;
      min-width:0;
      background:transparent;
      color:var(--text);
      padding:6px 10px;
      border:0;
      outline:0;
    }
    .search-box input::placeholder{color:#9a93b0}
    .search-box button{
      flex:0 0 auto;
      padding:8px 12px;
      border-radius:999px;
      background: linear-gradient(135deg, rgba(124,58,237,.10), rgba(236,72,153,.12));
      color: var(--primary-3);
      font-weight:600;
      font-size:13px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:600;
      white-space:nowrap;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
    }
    .btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(88, 41, 162, .16);
    }
    .btn:active{
      transform: translateY(0);
      box-shadow:none;
    }
    .btn-primary{
      color:#fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 12px 28px rgba(124,58,237,.20);
    }
    .btn-primary:hover{
      background: linear-gradient(135deg, #6d28d9, #f43f9d);
    }
    .btn-secondary{
      color:var(--primary-3);
      background: rgba(124,58,237,.08);
      border-color: rgba(124,58,237,.12);
    }
    .btn-secondary:hover{
      border-color: rgba(124,58,237,.24);
      background: rgba(124,58,237,.12);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:999px;
      border:1px solid rgba(124,58,237,.14);
      background: rgba(255,255,255,.78);
      color: var(--primary-3);
      box-shadow: 0 8px 22px rgba(77, 43, 142, .06);
    }
    .mobile-toggle span{
      display:block;
      width:18px;height:2px;
      margin:0 auto;
      border-radius:2px;
      background: currentColor;
      position:relative;
    }
    .mobile-toggle span::before,
    .mobile-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;height:2px;
      border-radius:2px;
      background: currentColor;
    }
    .mobile-toggle span::before{top:-6px}
    .mobile-toggle span::after{top:6px}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(124,58,237,.10);
      background: rgba(251,249,255,.96);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.68);
    }
    .mobile-panel-inner{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:14px 0 18px;
    }
    .mobile-panel .nav-links{
      overflow:auto;
      padding-bottom:4px;
    }

    .hero{
      padding:34px 0 20px;
    }
    .hero-shell{
      display:grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-visual{
      border-radius: var(--radius-xl);
      overflow:hidden;
      position:relative;
    }
    .hero-copy{
      padding:32px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.70)),
        radial-gradient(circle at top right, rgba(236,72,153,.14), transparent 35%),
        radial-gradient(circle at bottom left, rgba(6,182,212,.10), transparent 32%);
      border:1px solid rgba(124,58,237,.12);
      box-shadow: var(--shadow-lg);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      color: var(--primary-3);
      font-size:13px;
      font-weight:700;
      letter-spacing:.2px;
    }
    .hero-copy h1{
      margin:16px 0 14px;
      font-size: clamp(34px, 5vw, 62px);
      line-height:1.05;
      letter-spacing:-.02em;
    }
    .hero-copy .lead{
      margin:0;
      max-width: 58ch;
      color: var(--muted);
      font-size: 17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:20px;
      color: var(--muted-2);
      font-size:13px;
    }
    .hero-breadcrumb span{
      color: rgba(124,58,237,.45);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
      margin-top:24px;
    }
    .metric{
      padding:14px 14px 13px;
      border-radius: 18px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(124,58,237,.12);
      box-shadow: var(--shadow-sm);
    }
    .metric strong{
      display:block;
      font-size:20px;
      line-height:1.1;
      color: var(--text);
    }
    .metric span{
      display:block;
      margin-top:4px;
      color: var(--muted);
      font-size:12px;
    }

    .hero-visual{
      background:
        linear-gradient(145deg, rgba(50,24,87,.98), rgba(102,45,167,.92) 48%, rgba(236,72,153,.92)),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.12), transparent 30%);
      color:#fff;
      padding:18px;
      box-shadow: var(--shadow-lg);
      border:1px solid rgba(255,255,255,.08);
    }
    .visual-shell{
      height:100%;
      min-height: 420px;
      border-radius: calc(var(--radius-xl) - 8px);
      padding:18px;
      background:
        radial-gradient(circle at top left, rgba(255,255,255,.18), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.14);
      display:grid;
      grid-template-rows: auto 1fr auto;
      gap:14px;
    }
    .visual-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .visual-top .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.14);
      font-size:13px;
    }
    .visual-top .tag i{
      width:8px;height:8px;border-radius:999px;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.12)
    }
    .visual-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-content:flex-start;
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }
    .status-badge strong{font-size:15px}
    .visual-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:12px;
      align-content:end;
    }
    .visual-card{
      border-radius: 22px;
      padding:16px;
      background: rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
    }
    .visual-card.recommended{
      background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08));
      border-color: rgba(255,255,255,.18);
    }
    .visual-card .small{
      font-size:12px;
      opacity:.86;
    }
    .visual-card h3{
      margin:8px 0 8px;
      font-size:18px;
      line-height:1.25;
    }
    .visual-card p{
      margin:0;
      color: rgba(255,255,255,.84);
      font-size:13px;
    }
    .visual-card .line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      font-size:12px;
      color: rgba(255,255,255,.76);
    }

    .section{
      padding: 18px 0 4px;
    }
    .section-block{
      margin-top: 24px;
      padding: 28px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(124,58,237,.10);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-md);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-end;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size: clamp(24px, 3vw, 36px);
      line-height:1.15;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      max-width: 62ch;
      font-size:15px;
    }
    .section-head .count{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      color: var(--primary-3);
      font-size:13px;
      font-weight:700;
      border:1px solid rgba(124,58,237,.12);
    }

    .toolbar{
      display:grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap:14px;
      align-items:center;
      margin-bottom:18px;
    }
    .toolbar-form{
      display:flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      background: rgba(255,255,255,.86);
      border-radius: 18px;
      border: 1px solid rgba(124,58,237,.12);
      box-shadow: var(--shadow-sm);
    }
    .toolbar-form input{
      flex:1;
      min-width:0;
      background:transparent;
      color:var(--text);
      padding:4px 6px;
    }
    .toolbar-form input::placeholder{color:#9790ae}
    .toolbar-note{
      color: var(--muted);
      font-size:13px;
      text-align:right;
    }
    .chip-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding-bottom:4px;
      scrollbar-width:none;
    }
    .chip-scroll::-webkit-scrollbar{display:none}
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      white-space:nowrap;
      background: rgba(255,255,255,.88);
      border:1px solid rgba(124,58,237,.12);
      color: var(--muted);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .chip:hover{
      transform: translateY(-1px);
      border-color: rgba(124,58,237,.24);
      color: var(--primary-3);
    }
    .chip.active{
      color:#fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(124,58,237,.18);
    }

    .feature-layout{
      display:grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(320px, .9fr);
      gap:22px;
      align-items:stretch;
    }
    .feature-card,
    .list-panel,
    .step-card,
    .faq-item,
    .cta-card{
      border-radius: var(--radius-lg);
      border:1px solid rgba(124,58,237,.12);
      background: rgba(255,255,255,.90);
      box-shadow: var(--shadow-sm);
    }
    .feature-card{
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(250,247,255,.90));
      display:grid;
      grid-template-rows: auto 1fr;
      min-height: 100%;
    }
    .feature-cover{
      padding:20px;
      background:
        radial-gradient(circle at 20% 20%, rgba(236,72,153,.24), transparent 26%),
        radial-gradient(circle at 80% 20%, rgba(6,182,212,.16), transparent 22%),
        linear-gradient(135deg, rgba(124,58,237,.96), rgba(236,72,153,.88));
      color:#fff;
      position:relative;
    }
    .feature-cover .cover-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background: rgba(255,255,255,.16);
      font-size:12px;
      font-weight:700;
    }
    .cover-stats{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:10px;
      margin-top:16px;
    }
    .cover-stat{
      padding:12px;
      border-radius:18px;
      background: rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.10);
    }
    .cover-stat strong{
      display:block;
      font-size:18px;
      line-height:1.15;
    }
    .cover-stat span{
      display:block;
      margin-top:4px;
      font-size:12px;
      opacity:.86;
    }
    .feature-body{
      padding:24px 22px 22px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      color: var(--primary-3);
      border:1px solid rgba(124,58,237,.12);
      font-size:12px;
      font-weight:700;
    }
    .feature-body h3{
      margin:14px 0 10px;
      font-size:24px;
      line-height:1.25;
    }
    .feature-body p{
      margin:0;
      color:var(--muted);
    }
    .check-list{
      list-style:none;
      margin:18px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color: var(--text);
      font-size:14px;
    }
    .check-list li::before{
      content:"";
      width:18px;
      height:18px;
      flex:0 0 18px;
      margin-top:3px;
      border-radius:999px;
      background:
        linear-gradient(135deg, var(--success), #34d399);
      box-shadow: 0 8px 16px rgba(16,185,129,.18);
      position:relative;
    }
    .check-list li::after{
      content:"";
      width:8px;
      height:4px;
      border-left:2px solid #fff;
      border-bottom:2px solid #fff;
      transform: rotate(-45deg);
      position:relative;
      left:-31px;
      top:8px;
    }
    .feature-footer{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-top:22px;
    }
    .mini-note{
      color: var(--muted);
      font-size:13px;
    }

    .list-panel{
      padding:18px;
      display:grid;
      gap:12px;
      align-content:start;
      background:
        linear-gradient(180deg, rgba(255,255,255,.94), rgba(250,247,255,.92));
    }
    .list-card{
      padding:16px 16px 15px;
      border-radius: 20px;
      background: #fff;
      border:1px solid rgba(124,58,237,.10);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .list-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(73, 44, 133, .10);
      border-color: rgba(124,58,237,.18);
      background: linear-gradient(180deg, rgba(255,255,255,1), rgba(248,244,255,.98));
    }
    .list-card .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .rank{
      width:34px;height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:700;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 20px rgba(124,58,237,.16);
      flex:0 0 auto;
    }
    .list-card h4{
      margin:0;
      font-size:17px;
      line-height:1.3;
    }
    .list-card p{
      margin:8px 0 0;
      color: var(--muted);
      font-size:14px;
    }
    .list-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      color: var(--primary-3);
      font-size:12px;
      font-weight:700;
    }
    .mini-badge.alt{
      background: rgba(6,182,212,.09);
      color: #0f766e;
    }
    .mini-badge.warn{
      background: rgba(245,158,11,.10);
      color: #9a5b00;
    }
    .list-empty{
      display:none;
      padding:18px;
      border-radius: 20px;
      border:1px dashed rgba(124,58,237,.22);
      color: var(--muted);
      background: rgba(124,58,237,.04);
    }
    .list-empty.show{display:block}

    .steps-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .step-card{
      padding:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(251,248,255,.92));
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .step-card:hover{
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(77, 43, 142, .12);
      border-color: rgba(124,58,237,.18);
    }
    .step-num{
      width:44px;height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 12px 24px rgba(124,58,237,.16);
    }
    .step-card h3{
      margin:14px 0 10px;
      font-size:20px;
      line-height:1.25;
    }
    .step-card p{
      margin:0;
      color: var(--muted);
    }
    .step-card .step-foot{
      display:inline-flex;
      margin-top:16px;
      padding:7px 11px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      color: var(--primary-3);
      font-size:12px;
      font-weight:700;
    }
    .step-card.highlight{
      background:
        radial-gradient(circle at top right, rgba(236,72,153,.16), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,243,255,.96));
      border-color: rgba(124,58,237,.22);
    }

    .faq-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:16px;
    }
    .faq-item{
      overflow:hidden;
      background: rgba(255,255,255,.92);
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .faq-item:hover{
      border-color: rgba(124,58,237,.18);
      box-shadow: 0 18px 42px rgba(77, 43, 142, .09);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:transparent;
      color:var(--text);
      text-align:left;
      font-weight:700;
      font-size:16px;
    }
    .faq-question .faq-icon{
      width:22px;
      height:22px;
      flex:0 0 22px;
      border-radius:999px;
      background: rgba(124,58,237,.08);
      position:relative;
      transition: transform var(--transition), background var(--transition);
    }
    .faq-question .faq-icon::before,
    .faq-question .faq-icon::after{
      content:"";
      position:absolute;
      left:50%;
      top:50%;
      width:10px;
      height:2px;
      margin-left:-5px;
      margin-top:-1px;
      border-radius:2px;
      background: var(--primary-3);
      transition: transform var(--transition), opacity var(--transition);
    }
    .faq-question .faq-icon::after{
      transform: rotate(90deg);
    }
    .faq-item.open .faq-question .faq-icon{
      background: rgba(124,58,237,.14);
    }
    .faq-item.open .faq-question .faq-icon::after{
      opacity:0;
      transform: rotate(90deg) scaleX(.4);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition: max-height 260ms ease;
      border-top:1px solid transparent;
    }
    .faq-answer-inner{
      padding:0 22px 20px;
      color: var(--muted);
      font-size:14px;
    }

    .cta-card{
      padding:26px;
      background:
        radial-gradient(circle at top left, rgba(255,255,255,.22), transparent 26%),
        linear-gradient(135deg, var(--primary), var(--primary-2));
      border:0;
      color:#fff;
      box-shadow: var(--shadow-lg);
    }
    .cta-shell{
      display:grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
      gap:18px;
      align-items:center;
    }
    .cta-copy .eyebrow{
      background: rgba(255,255,255,.16);
      color:#fff;
    }
    .cta-copy h2{
      margin:14px 0 10px;
      font-size: clamp(26px, 3vw, 40px);
      line-height:1.15;
    }
    .cta-copy p{
      margin:0;
      color: rgba(255,255,255,.88);
      max-width: 60ch;
    }
    .cta-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius: 24px;
      background: rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .cta-form .input-row{
      display:flex;
      gap:10px;
      background: rgba(255,255,255,.92);
      border-radius: 18px;
      padding:10px 12px;
      align-items:center;
    }
    .cta-form input{
      flex:1;
      min-width:0;
      background:transparent;
      color:var(--text);
      padding:5px 6px;
    }
    .cta-form input::placeholder{color:#968fb2}
    .cta-form .btn{
      width:100%;
      justify-content:center;
    }
    .cta-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .cta-links .btn{
      flex:1 1 160px;
    }

    .footer{
      margin-top:30px;
      padding:34px 0 18px;
      color:#efeaff;
      background:
        radial-gradient(circle at top left, rgba(236,72,153,.24), transparent 25%),
        radial-gradient(circle at top right, rgba(6,182,212,.14), transparent 26%),
        linear-gradient(180deg, #1b102c 0%, #25163d 100%);
    }
    .footer-shell{
      padding:24px;
      border-radius: var(--radius-xl);
      border:1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      box-shadow: 0 20px 50px rgba(13, 8, 24, .22);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand .brand{
      min-width:0;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-brand .brand-text span{color:rgba(239,234,255,.72)}
    .footer-brand p{
      margin:0;
      color: rgba(239,234,255,.74);
      max-width: 36ch;
    }
    .footer-links h3,
    .footer-contact h3{
      margin:4px 0 14px;
      font-size:16px;
      line-height:1.2;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color: rgba(239,234,255,.84);
      width: fit-content;
    }
    .footer-links a:hover{
      color:#fff;
      transform: translateX(2px);
    }
    .footer-contact p{
      margin:0 0 10px;
      color: rgba(239,234,255,.74);
    }
    .fine-print{
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      color: rgba(239,234,255,.68);
      font-size:13px;
    }

    .is-hidden{display:none !important}

    @media (max-width: 1279px){
      .hero-shell,
      .feature-layout,
      .cta-shell{
        grid-template-columns: 1fr;
      }
      .header-actions .btn-primary{display:none}
      .search-box{min-width:230px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1 / -1}
    }
    @media (max-width: 1023px){
      .steps-grid{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .hero-copy{padding:28px}
      .hero-metrics{grid-template-columns:1fr}
      .cover-stats{grid-template-columns:1fr}
      .toolbar{grid-template-columns:1fr}
      .toolbar-note{text-align:left}
    }
    @media (max-width: 767px){
      .header-inner{
        gap:10px;
      }
      .brand{
        min-width:0;
      }
      .nav-links,
      .search-box,
      .header-actions .btn-primary{
        display:none;
      }
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .mobile-panel.show{display:block}
      .hero{
        padding-top:18px;
      }
      .hero-copy,
      .hero-visual,
      .section-block,
      .cta-card,
      .footer-shell{
        border-radius: 24px;
      }
      .hero-copy h1{
        font-size: clamp(30px, 10vw, 44px);
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .feature-card,
      .list-panel,
      .step-card,
      .faq-item,
      .cta-card,
      .section-block{
        padding-left:16px;
        padding-right:16px;
      }
      .feature-body,
      .feature-cover{
        padding-left:16px;
        padding-right:16px;
      }
      .cta-links .btn{
        flex:1 1 100%;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .fine-print{
        flex-direction:column;
      }
    }
    @media (max-width: 519px){
      .container{
        width: min(var(--container), calc(100% - 20px));
      }
      .hero-copy,
      .hero-visual,
      .section-block,
      .cta-card,
      .footer-shell{
        padding:16px;
      }
      .hero-copy{
        padding:20px 16px;
      }
      .hero-actions,
      .feature-footer,
      .cta-links{
        flex-direction:column;
        align-items:stretch;
      }
      .btn,
      .chip{
        width:100%;
      }
      .toolbar-form{
        flex-direction:column;
        align-items:stretch;
      }
      .toolbar-form button{width:100%}
      .list-card h4{
        font-size:16px;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#f4f6fb;
      --bg-soft:#f8f9fe;
      --surface:#ffffff;
      --surface-2:#fbfcff;
      --text:#1b2140;
      --muted:#65708a;
      --line:#dfe5f2;
      --line-strong:#cad2e5;
      --primary:#7c3aed;
      --primary-2:#ec4899;
      --accent:#14b8a6;
      --warm:#f59e0b;
      --blue:#3b82f6;
      --shadow-lg:0 22px 60px rgba(42, 49, 86, .14);
      --shadow-md:0 14px 36px rgba(42, 49, 86, .10);
      --shadow-sm:0 8px 24px rgba(42, 49, 86, .08);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1320px;
      --gap:24px;
      --header-h:64px;
      --grad:linear-gradient(135deg, #ec4899 0%, #7c3aed 46%, #3b82f6 100%);
      --grad-soft:linear-gradient(135deg, rgba(236,72,153,.14), rgba(124,58,237,.12) 48%, rgba(59,130,246,.12));
      --grad-warm:linear-gradient(135deg, rgba(245,158,11,.15), rgba(236,72,153,.12));
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100%;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(236,72,153,.12) 0, rgba(236,72,153,0) 26%),
        radial-gradient(circle at 84% 18%, rgba(59,130,246,.12) 0, rgba(59,130,246,0) 23%),
        radial-gradient(circle at 72% 86%, rgba(20,184,166,.10) 0, rgba(20,184,166,0) 25%),
        linear-gradient(180deg, #f7f8fd 0%, #f2f5fb 42%, #eef2f8 100%);
      overflow-x:hidden;
      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,.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.28), rgba(0,0,0,0) 72%);
      opacity:.16;
      z-index:-2;
    }
    ::selection{background:rgba(124,58,237,.18); color:var(--text)}
    a{color:inherit; text-decoration:none}
    img{max-width:100%; display:block}
    button,input,textarea,select{font:inherit}
    button{
      border:0;
      background:none;
      padding:0;
      cursor:pointer;
    }
    input,textarea{
      outline:none;
      border:0;
      background:transparent;
    }
    summary{list-style:none}
    summary::-webkit-details-marker{display:none}

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

    .bg-orb{
      position:fixed;
      width:420px;
      height:420px;
      border-radius:50%;
      filter:blur(30px);
      opacity:.35;
      z-index:-1;
      pointer-events:none;
    }
    .orb-one{
      top:-120px;
      left:-160px;
      background:radial-gradient(circle, rgba(236,72,153,.40), rgba(236,72,153,0) 68%);
    }
    .orb-two{
      right:-160px;
      top:110px;
      background:radial-gradient(circle, rgba(59,130,246,.28), rgba(59,130,246,0) 70%);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      background:rgba(247,249,253,.82);
      border-bottom:1px solid rgba(223,229,242,.9);
      transition:box-shadow .25s ease, background .25s ease, border-color .25s ease;
    }
    .site-header.scrolled{
      background:rgba(248,250,255,.92);
      box-shadow:0 10px 28px rgba(40,48,80,.08);
      border-bottom-color:rgba(202,210,229,.92);
    }
    .nav-shell{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      padding:10px 0;
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:700;
      letter-spacing:.2px;
      position:relative;
      z-index:1;
    }
    .brand-mark{
      width:14px;
      height:14px;
      border-radius:999px;
      background:var(--grad);
      box-shadow:0 8px 18px rgba(124,58,237,.32);
      position:relative;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:3px;
      border-radius:inherit;
      background:rgba(255,255,255,.8);
      opacity:.9;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.05;
      gap:4px;
    }
    .brand-text strong{
      font-size:15px;
      color:var(--text);
      font-weight:800;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      font-weight:600;
    }

    .header-center{
      flex:1 1 520px;
      min-width:0;
      display:flex;
      align-items:center;
      gap:12px;
    }

    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:42px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.78);
      color:var(--text);
      box-shadow:var(--shadow-sm);
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
      flex:0 0 auto;
    }
    .menu-toggle:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.34);
      box-shadow:var(--shadow-md);
    }
    .menu-toggle:focus-visible,
    .nav-link:focus-visible,
    .btn:focus-visible,
    .search-form:focus-within,
    .chip:focus-visible,
    .footer-links a:focus-visible{
      outline:3px solid rgba(124,58,237,.2);
      outline-offset:2px;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      flex:1 1 auto;
      min-width:0;
      overflow:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      border:1px solid transparent;
      transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .nav-link:hover{
      background:rgba(255,255,255,.86);
      color:var(--text);
      border-color:rgba(223,229,242,.95);
      transform:translateY(-1px);
      box-shadow:var(--shadow-sm);
    }
    .nav-link.active{
      color:#fff;
      background:var(--grad);
      box-shadow:0 12px 28px rgba(124,58,237,.24);
      border-color:transparent;
    }

    .nav-tools{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }

    .search-form{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:260px;
      height:42px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      box-shadow:var(--shadow-sm);
      transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease;
    }
    .search-form:hover{
      transform:translateY(-1px);
      box-shadow:var(--shadow-md);
    }
    .search-form:focus-within{
      border-color:rgba(124,58,237,.38);
      background:#fff;
      box-shadow:0 14px 34px rgba(124,58,237,.12);
    }
    .search-icon{
      width:16px;
      height:16px;
      color:var(--muted);
      flex:0 0 auto;
    }
    .search-form input{
      width:100%;
      color:var(--text);
      font-size:14px;
      min-width:0;
    }
    .search-form input::placeholder{color:#98a2b5}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:44px;
      padding:0 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:var(--shadow-md);
    }
    .btn-primary{
      color:#fff;
      background:var(--grad);
      box-shadow:0 14px 28px rgba(124,58,237,.20);
    }
    .btn-primary:hover{
      box-shadow:0 18px 34px rgba(124,58,237,.28);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.9);
      border-color:var(--line);
    }
    .btn-secondary:hover{
      border-color:rgba(124,58,237,.30);
      background:#fff;
    }
    .btn-ghost{
      color:var(--text);
      background:transparent;
      border-color:rgba(255,255,255,.35);
    }

    main{
      position:relative;
      z-index:1;
    }
    .section{
      padding:28px 0;
    }
    .hero{
      padding:36px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,5fr) minmax(0,7fr);
      gap:28px;
      align-items:stretch;
      min-height:calc(100vh - 120px);
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:18px;
      padding:18px 0;
    }
    .eyebrow,
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:8px 14px;
      border-radius:999px;
      border:1px solid rgba(124,58,237,.14);
      background:rgba(255,255,255,.86);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.2px;
      box-shadow:var(--shadow-sm);
    }
    .hero h1{
      margin:0;
      font-size:clamp(38px, 5.8vw, 72px);
      line-height:1.03;
      letter-spacing:-.04em;
      color:var(--text);
      text-wrap:balance;
      max-width:11ch;
    }
    .lead{
      margin:0;
      max-width:620px;
      color:var(--muted);
      font-size:clamp(16px, 1.5vw, 19px);
      line-height:1.78;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:4px;
    }
    .kpi-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:8px;
    }
    .kpi{
      min-width:148px;
      padding:14px 16px;
      border-radius:20px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(223,229,242,.95);
      box-shadow:var(--shadow-sm);
    }
    .kpi strong{
      display:block;
      font-size:24px;
      line-height:1;
      background:var(--grad);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      margin-bottom:8px;
      letter-spacing:-.02em;
    }
    .kpi span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
      font-weight:600;
    }

    .hero-visual{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:12px 0;
    }
    .visual-frame{
      width:100%;
      min-height:560px;
      border-radius:34px;
      padding:20px;
      background:
        radial-gradient(circle at 14% 18%, rgba(255,255,255,.38) 0, rgba(255,255,255,0) 22%),
        linear-gradient(135deg, rgba(236,72,153,.88), rgba(124,58,237,.82) 46%, rgba(59,130,246,.88));
      box-shadow:var(--shadow-lg);
      position:relative;
      overflow:hidden;
      isolation:isolate;
      transform:translateY(10px);
    }
    .visual-frame::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 76% 14%, rgba(255,255,255,.18) 0, rgba(255,255,255,0) 18%),
        radial-gradient(circle at 18% 82%, rgba(20,184,166,.18) 0, rgba(20,184,166,0) 19%);
      z-index:0;
      pointer-events:none;
    }
    .visual-frame::after{
      content:"";
      position:absolute;
      right:-30px;
      top:30px;
      width:180px;
      height:180px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
      filter:blur(10px);
      z-index:0;
    }
    .visual-top{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      margin-bottom:16px;
      color:#fff;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
    }
    .badge-soft{
      background:rgba(255,255,255,.14);
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      font-size:12px;
      font-weight:700;
    }
    .status-dot::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:#7CFFB2;
      box-shadow:0 0 0 4px rgba(124,255,178,.18);
    }
    .visual-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
      gap:16px;
      align-items:stretch;
      height:calc(100% - 52px);
    }
    .visual-card{
      border-radius:26px;
      padding:18px;
      background:rgba(255,255,255,.13);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 22px 40px rgba(33, 39, 84, .12);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .visual-card.tall{
      grid-row:span 2;
      min-height:340px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.10)),
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    }
    .visual-card.small{
      min-height:162px;
    }
    .visual-card .mini-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .mini-pill{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.16);
    }
    .mini-title{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .mini-copy{
      margin:0;
      color:rgba(255,255,255,.84);
      font-size:13px;
      line-height:1.7;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .badge-row .badge{
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.14);
    }
    .matrix{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:10px;
      margin-top:14px;
    }
    .matrix .tile{
      min-height:86px;
      border-radius:20px;
      padding:14px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.15);
    }
    .tile strong{
      display:block;
      font-size:18px;
      line-height:1;
      margin-bottom:8px;
    }
    .tile span{
      display:block;
      font-size:12px;
      line-height:1.55;
      color:rgba(255,255,255,.82);
    }
    .trend{
      margin-top:10px;
      display:grid;
      gap:12px;
    }
    .trend-row{
      display:grid;
      grid-template-columns:88px 1fr 40px;
      gap:10px;
      align-items:center;
      font-size:12px;
      color:#fff;
      font-weight:700;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      overflow:hidden;
    }
    .bar > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, #ffffff, rgba(255,255,255,.72));
    }

    .overview-strip{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .overview-card{
      padding:22px 22px 20px;
      border-radius:26px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      min-height:140px;
    }
    .overview-card::before{
      content:"";
      position:absolute;
      inset:auto -22px -24px auto;
      width:150px;
      height:150px;
      border-radius:50%;
      background:var(--grad-soft);
      filter:blur(8px);
      opacity:.95;
    }
    .overview-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
      margin-bottom:10px;
      background:var(--grad);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .overview-card h3{
      margin:0 0 6px;
      font-size:18px;
      letter-spacing:-.02em;
    }
    .overview-card p{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:14px;
      max-width:24ch;
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(26px, 3vw, 40px);
      line-height:1.08;
      letter-spacing:-.04em;
      color:var(--text);
    }
    .section-head p{
      margin:0;
      max-width:520px;
      color:var(--muted);
      line-height:1.75;
      font-size:15px;
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:12px 0 22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
      box-shadow:var(--shadow-sm);
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.26);
      color:var(--text);
      box-shadow:var(--shadow-md);
    }
    .chip.active{
      color:#fff;
      background:var(--grad);
      border-color:transparent;
      box-shadow:0 14px 28px rgba(124,58,237,.22);
    }

    .dual-layout{
      display:grid;
      grid-template-columns:minmax(0,7fr) minmax(300px,5fr);
      gap:24px;
      align-items:start;
    }
    .stream{
      display:grid;
      gap:18px;
    }
    .feature-card,
    .list-card,
    .rail-card,
    .proof-card,
    .cta-strip,
    .faq-item,
    .overview-card{
      position:relative;
    }
    .feature-card{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
      gap:22px;
      padding:22px;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.9);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .cover-art{
      min-height:340px;
      border-radius:24px;
      padding:18px;
      position:relative;
      overflow:hidden;
      isolation:isolate;
      background:
        radial-gradient(circle at 18% 22%, rgba(255,255,255,.32) 0, rgba(255,255,255,0) 28%),
        linear-gradient(145deg, rgba(236,72,153,.92), rgba(124,58,237,.88) 42%, rgba(59,130,246,.86));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
    }
    .cover-art::before{
      content:"";
      position:absolute;
      inset:-20px;
      background:
        radial-gradient(circle at 78% 20%, rgba(255,255,255,.22) 0, rgba(255,255,255,0) 18%),
        radial-gradient(circle at 28% 82%, rgba(20,184,166,.18) 0, rgba(20,184,166,0) 20%);
      opacity:.95;
      pointer-events:none;
    }
    .cover-art::after{
      content:"";
      position:absolute;
      right:-34px;
      bottom:-36px;
      width:200px;
      height:200px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 0 0 14px rgba(255,255,255,.04);
      transform:rotate(8deg);
      pointer-events:none;
    }
    .cover-inner{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      height:100%;
      justify-content:space-between;
      color:#fff;
    }
    .cover-labels{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:18px;
    }
    .cover-chip{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.16);
      font-size:12px;
      font-weight:800;
    }
    .cover-title{
      margin:0 0 10px;
      font-size:26px;
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .cover-copy{
      margin:0;
      max-width:26ch;
      font-size:14px;
      line-height:1.7;
      color:rgba(255,255,255,.88);
    }
    .cover-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:10px;
      margin-top:18px;
    }
    .cover-metrics .metric{
      border-radius:18px;
      padding:12px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1;
      margin-bottom:6px;
    }
    .metric span{
      display:block;
      font-size:12px;
      line-height:1.5;
      color:rgba(255,255,255,.84);
    }

    .feature-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .feature-copy h3{
      margin:0;
      font-size:24px;
      line-height:1.2;
      letter-spacing:-.03em;
    }
    .feature-copy p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--text);
      line-height:1.7;
      font-size:14px;
    }
    .check-list li::before{
      content:"";
      flex:0 0 auto;
      width:20px;
      height:20px;
      margin-top:2px;
      border-radius:50%;
      background:linear-gradient(135deg, rgba(20,184,166,.15), rgba(59,130,246,.15));
      border:1px solid rgba(20,184,166,.22);
      box-shadow:inset 0 0 0 5px rgba(255,255,255,.9);
    }
    .feature-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:auto;
    }

    .mini-stack{
      display:grid;
      gap:16px;
    }
    .list-card{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-sm);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .list-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-md);
      border-color:rgba(124,58,237,.18);
    }
    .list-badge{
      width:42px;
      height:42px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:800;
      background:var(--grad);
      box-shadow:0 12px 20px rgba(124,58,237,.22);
    }
    .list-body h4{
      margin:1px 0 6px;
      font-size:17px;
      line-height:1.25;
      letter-spacing:-.02em;
    }
    .list-body p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .list-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      color:var(--muted);
      background:rgba(244,246,251,.88);
      border:1px solid rgba(223,229,242,.96);
    }
    .tag.hot{
      color:#9d4b00;
      background:rgba(245,158,11,.12);
      border-color:rgba(245,158,11,.18);
    }
    .tag.new{
      color:#0f7c77;
      background:rgba(20,184,166,.12);
      border-color:rgba(20,184,166,.18);
    }
    .tag.purple{
      color:#6b21a8;
      background:rgba(124,58,237,.12);
      border-color:rgba(124,58,237,.18);
    }

    .rail{
      display:grid;
      gap:16px;
      position:sticky;
      top:84px;
    }
    .rail-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-sm);
    }
    .rail-card h4{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .rail-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .rail-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .rail-badges .badge{
      color:var(--text);
      background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.12);
    }
    .rail-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .rail-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 14px;
      border-radius:18px;
      background:var(--bg-soft);
      border:1px solid rgba(223,229,242,.95);
      color:var(--text);
      font-size:13px;
      font-weight:700;
    }
    .rail-list li span{
      color:var(--muted);
      font-weight:600;
    }

    .proof-wrap{
      padding:26px;
      border-radius:34px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,.30)),
        linear-gradient(135deg, rgba(124,58,237,.06), rgba(236,72,153,.04));
      border:1px solid rgba(223,229,242,.94);
      box-shadow:var(--shadow-sm);
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:18px;
    }
    .proof-card{
      border-radius:26px;
      padding:20px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .proof-card.featured{
      grid-column:span 2;
      min-height:240px;
      background:
        radial-gradient(circle at 14% 18%, rgba(236,72,153,.10) 0, rgba(236,72,153,0) 24%),
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,249,253,.92));
    }
    .proof-card h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.2;
      letter-spacing:-.03em;
    }
    .proof-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .meter-list{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .meter-row{
      display:grid;
      grid-template-columns:86px 1fr 40px;
      gap:12px;
      align-items:center;
    }
    .meter-row strong{
      font-size:13px;
      color:var(--text);
    }
    .meter-row em{
      font-style:normal;
      font-size:13px;
      color:var(--muted);
      text-align:right;
    }
    .meter{
      height:10px;
      border-radius:999px;
      background:rgba(223,229,242,.95);
      overflow:hidden;
      position:relative;
    }
    .meter i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:var(--grad);
    }
    .score-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .score{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(124,58,237,.08);
      color:#6b21a8;
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(124,58,237,.12);
    }
    .score::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg, #ec4899, #7c3aed);
    }
    .mini-note{
      margin-top:14px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(20,184,166,.08);
      border:1px solid rgba(20,184,166,.14);
      color:#0f766e;
      font-size:13px;
      line-height:1.7;
    }
    .proof-card.stat{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:220px;
    }
    .proof-card.stat strong{
      display:block;
      font-size:28px;
      line-height:1;
      margin-bottom:10px;
      background:var(--grad);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .proof-card.stat .small{
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .proof-card.stat .tiny{
      margin-top:14px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .proof-card.stat .tiny span{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(244,246,251,.96);
      border:1px solid rgba(223,229,242,.95);
      font-size:12px;
      font-weight:700;
      color:var(--muted);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .faq-item{
      border-radius:24px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(223,229,242,.96);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    .faq-item:hover{
      border-color:rgba(124,58,237,.18);
      box-shadow:var(--shadow-md);
      transform:translateY(-1px);
    }
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      font-weight:800;
      color:var(--text);
      line-height:1.45;
      cursor:pointer;
      font-size:16px;
    }
    .faq-item summary::after{
      content:"+";
      width:30px;
      height:30px;
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      color:var(--primary);
      background:rgba(124,58,237,.08);
      transition:transform .2s ease, background .2s ease, color .2s ease;
    }
    .faq-item[open] summary::after{
      content:"–";
      background:var(--grad);
      color:#fff;
      transform:rotate(0deg);
    }
    .faq-content{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .cta-strip{
      padding:28px;
      border-radius:34px;
      background:
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.18) 0, rgba(255,255,255,0) 22%),
        linear-gradient(135deg, #ec4899 0%, #7c3aed 48%, #3b82f6 100%);
      color:#fff;
      box-shadow:0 22px 50px rgba(124,58,237,.22);
      overflow:hidden;
    }
    .cta-strip::after{
      content:"";
      position:absolute;
      inset:auto -70px -80px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
      filter:blur(8px);
      pointer-events:none;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:20px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-copy h2{
      margin:10px 0 12px;
      font-size:clamp(26px, 3vw, 42px);
      line-height:1.08;
      letter-spacing:-.04em;
    }
    .cta-copy p{
      margin:0;
      max-width:60ch;
      color:rgba(255,255,255,.88);
      font-size:15px;
      line-height:1.8;
    }
    .cta-form{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:24px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
      -webkit-backdrop-filter:blur(10px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .cta-form input{
      flex:1 1 auto;
      min-width:0;
      height:48px;
      padding:0 16px;
      border-radius:16px;
      background:rgba(255,255,255,.94);
      color:var(--text);
      font-size:14px;
    }
    .cta-form input::placeholder{color:#96a0b4}
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
    }
    .cta-actions .btn-secondary{
      background:rgba(255,255,255,.94);
      border-color:transparent;
      color:var(--text);
    }
    .cta-actions .btn-ghost{
      color:#fff;
      border-color:rgba(255,255,255,.26);
      background:transparent;
    }
    .cta-actions .btn-ghost:hover{
      background:rgba(255,255,255,.12);
    }

    .footer{
      margin-top:30px;
      padding:24px 0 20px;
      background:linear-gradient(180deg, rgba(15,18,32,.98), rgba(10,12,22,.99));
      color:#dbe3ff;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .footer-shell{
      border-radius:30px;
      padding:26px;
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 50px rgba(4,7,18,.32);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer .brand-text strong{color:#fff}
    .footer .brand-text span{color:#aab4d6}
    .footer-brand p{
      margin:14px 0 0;
      color:#aab4d6;
      line-height:1.8;
      font-size:14px;
      max-width:34ch;
    }
    .footer-links h3,
    .footer-contact h3{
      margin:0 0 12px;
      font-size:16px;
      color:#fff;
      letter-spacing:-.02em;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#d6def7;
      font-size:14px;
      line-height:1.6;
      transition:color .18s ease, transform .18s ease;
      width:max-content;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-contact p{
      margin:0 0 10px;
      color:#aab4d6;
      line-height:1.7;
      font-size:14px;
    }
    .fine-print{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:#91a0cb;
      font-size:13px;
    }

    .mt-8{margin-top:8px}
    .mt-12{margin-top:12px}
    .mt-16{margin-top:16px}
    .mt-20{margin-top:20px}

    @media (max-width: 1180px){
      .hero-grid,
      .dual-layout,
      .cta-grid{
        grid-template-columns:1fr;
      }
      .hero-copy{
        padding-right:0;
      }
      .visual-frame{
        min-height:520px;
        transform:none;
      }
      .rail{
        position:static;
      }
      .proof-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .proof-card.featured{
        grid-column:span 2;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }

    @media (max-width: 920px){
      .section{
        padding:24px 0;
      }
      .overview-strip{
        grid-template-columns:1fr 1fr;
      }
      .feature-card{
        grid-template-columns:1fr;
      }
      .faq-grid{
        grid-template-columns:1fr;
      }
      .search-form{
        min-width:220px;
      }
    }

    @media (max-width: 768px){
      .container{
        width:min(var(--container), calc(100% - 28px));
      }
      .site-header{
        padding-bottom:8px;
      }
      .nav-shell{
        gap:10px;
        align-items:flex-start;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .header-center{
        flex-basis:100%;
        order:3;
        display:flex;
        align-items:flex-start;
        gap:10px;
      }
      .nav-links{
        display:none;
        width:100%;
        order:4;
        padding:6px 2px 2px;
      }
      .site-header.nav-open .nav-links{
        display:flex;
        flex-wrap:wrap;
      }
      .nav-tools{
        margin-left:auto;
        order:2;
      }
      .search-form{
        min-width:0;
        width:100%;
        max-width:260px;
      }
      .search-form input{
        width:100%;
      }
      .hero{
        padding-top:22px;
      }
      .hero-grid{
        min-height:auto;
      }
      .hero h1{
        max-width:none;
      }
      .overview-strip,
      .proof-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .proof-card.featured{
        grid-column:span 1;
      }
      .cover-metrics{
        grid-template-columns:1fr;
      }
      .visual-grid{
        grid-template-columns:1fr;
      }
      .visual-card.tall{
        grid-row:auto;
        min-height:auto;
      }
      .visual-frame{
        min-height:auto;
      }
      .cta-form{
        flex-direction:column;
        align-items:stretch;
      }
      .cta-form input,
      .cta-form .btn{
        width:100%;
      }
      .kpi{
        flex:1 1 calc(50% - 12px);
        min-width:0;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-head p{
        max-width:none;
      }
    }

    @media (max-width: 520px){
      .brand-text span{
        display:none;
      }
      .search-form{
        max-width:170px;
      }
      .search-form input{
        font-size:13px;
      }
      .nav-link{
        padding:9px 12px;
      }
      .hero h1{
        font-size:clamp(32px, 12vw, 46px);
      }
      .lead{
        font-size:15px;
      }
      .kpi{
        flex:1 1 100%;
      }
      .overview-card,
      .proof-card,
      .list-card,
      .rail-card,
      .faq-item summary,
      .faq-content{
        padding-left:16px;
        padding-right:16px;
      }
      .feature-card,
      .cta-strip,
      .proof-wrap,
      .footer-shell{
        padding:18px;
        border-radius:24px;
      }
      .cover-art{
        min-height:300px;
        padding:16px;
      }
      .cover-title{
        font-size:22px;
      }
      .cta-copy h2{
        font-size:24px;
      }
      .fine-print{
        font-size:12px;
      }
    }