/* roulang page: index */
:root{
      --bg: #f4f7fb;
      --bg-strong: #e9eef8;
      --surface: rgba(255,255,255,.86);
      --surface-solid: #ffffff;
      --surface-dark: #111827;
      --text: #111827;
      --muted: #5f6b85;
      --muted-2: #7d879f;
      --line: rgba(17,24,39,.10);
      --line-strong: rgba(17,24,39,.14);
      --brand: #6f46ff;
      --brand-2: #00b8a9;
      --brand-3: #ff7a59;
      --brand-4: #1338bf;
      --accent: linear-gradient(135deg, #7c5cff 0%, #14b8a6 52%, #ff7a59 100%);
      --accent-soft: linear-gradient(135deg, rgba(124,92,255,.14), rgba(20,184,166,.14), rgba(255,122,89,.14));
      --shadow-sm: 0 10px 28px rgba(17,24,39,.06);
      --shadow-md: 0 18px 44px rgba(17,24,39,.10);
      --shadow-lg: 0 24px 72px rgba(17,24,39,.14);
      --radius-xs: 12px;
      --radius-sm: 16px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1180px;
      --header-h: 78px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family:"Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 16% 10%, rgba(111,70,255,.10), transparent 30%),
        radial-gradient(circle at 84% 14%, rgba(20,184,166,.10), transparent 24%),
        radial-gradient(circle at 72% 76%, rgba(255,122,89,.08), transparent 20%),
        linear-gradient(180deg, #f8fbff 0%, var(--bg) 32%, #f7f9fd 100%);
      letter-spacing:0;
      line-height:1.7;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    a:hover{ color:inherit; }
    img{ max-width:100%; display:block; }
    button, input, textarea, select{ font:inherit; }
    .container-wide{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .page-shell{
      position:relative;
      min-height:100vh;
    }
    .page-shell::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(180deg, rgba(255,255,255,.24), rgba(255,255,255,0) 20%),
        radial-gradient(circle at 50% 0%, rgba(255,255,255,.46), transparent 22%);
      z-index:-1;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 0;
      transition:all .25s ease;
      background:transparent;
    }
    .site-header.is-scrolled{
      background:rgba(248,250,252,.82);
      backdrop-filter:saturate(180%) blur(18px);
      border-bottom:1px solid rgba(17,24,39,.08);
      box-shadow:0 8px 28px rgba(17,24,39,.06);
      padding:10px 0;
    }
    .nav-glass{
      display:flex;
      align-items:center;
      gap:16px;
      padding:14px 16px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:24px;
      background:rgba(255,255,255,.55);
      backdrop-filter: blur(18px);
      box-shadow:0 16px 40px rgba(16,24,40,.08);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      background:var(--accent);
      box-shadow:0 12px 22px rgba(111,70,255,.24);
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      letter-spacing:0;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
    }
    .brand-text strong{
      font-size:1rem;
      line-height:1.15;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.82rem;
      color:var(--muted);
      line-height:1.2;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      flex-wrap:wrap;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border-radius:999px;
      color:#243042;
      font-weight:500;
      border:1px solid transparent;
      transition:all .22s ease;
      background:transparent;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      background:rgba(111,70,255,.08);
      border-color:rgba(111,70,255,.16);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-links a.active{
      background:rgba(17,24,39,.92);
      color:#fff;
      box-shadow:0 10px 26px rgba(17,24,39,.14);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:8px;
      flex:0 0 auto;
    }
    .nav-search{
      position:relative;
      width:min(260px, 24vw);
      min-width:180px;
    }
    .nav-search input{
      width:100%;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.94);
      border-radius:999px;
      padding:11px 40px 11px 42px;
      color:var(--text);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.72);
      transition:all .2s ease;
    }
    .nav-search input:focus{
      border-color:rgba(111,70,255,.38);
      box-shadow:0 0 0 4px rgba(111,70,255,.12);
      outline:none;
    }
    .nav-search i{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted-2);
      width:16px;
      height:16px;
    }
    .btn-brand{
      display:inline-flex;
      align-items:center;
      gap:8px;
      justify-content:center;
      border:0;
      border-radius:999px;
      padding:12px 18px;
      font-weight:700;
      transition:all .22s ease;
      box-shadow:0 14px 28px rgba(111,70,255,.18);
      background:var(--accent);
      color:#fff;
    }
    .btn-brand:hover,
    .btn-brand:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 18px 36px rgba(111,70,255,.24);
      color:#fff;
      outline:none;
    }
    .btn-soft{
      display:inline-flex;
      align-items:center;
      gap:8px;
      justify-content:center;
      border-radius:999px;
      padding:12px 18px;
      font-weight:700;
      transition:all .22s ease;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.86);
      color:#1c2638;
      box-shadow:var(--shadow-sm);
    }
    .btn-soft:hover,
    .btn-soft:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(20,184,166,.22);
      box-shadow:var(--shadow-md);
      outline:none;
    }

    .hero{
      padding:34px 0 22px;
    }
    .hero-wrap{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      background:
        linear-gradient(135deg, rgba(17,24,39,.94) 0%, rgba(23,37,84,.94) 32%, rgba(90,46,255,.92) 66%, rgba(20,184,166,.88) 100%);
      color:#fff;
      box-shadow:var(--shadow-lg);
      padding:28px;
      isolation:isolate;
    }
    .hero-wrap::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 8% 12%, rgba(255,255,255,.16), transparent 18%),
        radial-gradient(circle at 88% 20%, rgba(255,255,255,.12), transparent 20%),
        radial-gradient(circle at 50% 110%, rgba(255,255,255,.10), transparent 28%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1.15fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      padding:10px 4px 8px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.14);
      color:#edf3ff;
      font-size:.88rem;
      font-weight:600;
      margin-bottom:18px;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.3rem, 4vw, 4.45rem);
      line-height:1.06;
      letter-spacing:0;
      font-weight:800;
      max-width:12ch;
    }
    .hero p{
      margin:18px 0 0;
      max-width:62ch;
      font-size:1.03rem;
      color:rgba(255,255,255,.84);
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-weight:600;
      font-size:.92rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .stat-pill{
      padding:14px;
      border-radius:22px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.10);
      backdrop-filter: blur(10px);
    }
    .stat-pill strong{
      display:block;
      font-size:1.25rem;
      line-height:1.15;
    }
    .stat-pill span{
      display:block;
      margin-top:6px;
      color:rgba(255,255,255,.75);
      font-size:.9rem;
    }

    .hero-panel{
      display:grid;
      grid-template-rows:auto 1fr;
      gap:14px;
      min-height:100%;
    }
    .panel-card{
      border-radius:28px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter: blur(14px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
      padding:18px;
    }
    .progress-ring{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:center;
    }
    .ring{
      width:124px;
      height:124px;
      border-radius:50%;
      background:
        conic-gradient(#35e0c6 0 72%, rgba(255,255,255,.15) 72% 100%);
      display:grid;
      place-items:center;
      box-shadow:0 18px 44px rgba(0,0,0,.16);
      position:relative;
    }
    .ring::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:50%;
      background:rgba(15,23,42,.86);
      border:1px solid rgba(255,255,255,.12);
    }
    .ring-inner{
      position:relative;
      z-index:1;
      text-align:center;
    }
    .ring-inner strong{
      display:block;
      font-size:1.7rem;
      line-height:1;
      color:#fff;
    }
    .ring-inner span{
      display:block;
      margin-top:6px;
      font-size:.82rem;
      color:rgba(255,255,255,.72);
    }
    .panel-title{
      margin:0;
      font-size:1rem;
      line-height:1.25;
      font-weight:700;
    }
    .panel-sub{
      margin:8px 0 0;
      color:rgba(255,255,255,.74);
      font-size:.92rem;
    }
    .tier-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .tier-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px 14px;
      border-radius:20px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
    }
    .tier-icon{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.12);
      color:#fff;
    }
    .tier-item strong{
      display:block;
      font-size:.95rem;
    }
    .tier-item span{
      display:block;
      color:rgba(255,255,255,.74);
      font-size:.84rem;
    }
    .tier-tag{
      white-space:nowrap;
      font-weight:700;
      font-size:.82rem;
      color:#06111f;
      background:#fff;
      border-radius:999px;
      padding:7px 10px;
    }

    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:16px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:1.9rem;
      line-height:1.15;
      font-weight:800;
      letter-spacing:0;
    }
    .section-desc{
      margin:10px 0 0;
      max-width:70ch;
      color:var(--muted);
      font-size:1rem;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:700;
      color:var(--brand);
      white-space:nowrap;
      padding:10px 0;
    }
    .section-link:hover{ color:#5131e4; }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .feature-card{
      border-radius:24px;
      padding:20px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      height:100%;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .feature-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(111,70,255,.20);
    }
    .feature-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--accent-soft);
      color:#4a2ce0;
      margin-bottom:14px;
    }
    .feature-card h3{
      font-size:1.05rem;
      font-weight:800;
      margin:0 0 8px;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }

    .info-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .article-list,
    .promo-box,
    .proof-box,
    .pricing-card,
    .faq-shell,
    .security-box,
    .matrix-box{
      border-radius:28px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .article-list{
      padding:18px;
    }
    .article-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:8px;
    }
    .article-head h3{
      margin:0;
      font-size:1.2rem;
      font-weight:800;
    }
    .article-items{
      display:grid;
      gap:10px;
      margin-top:10px;
    }
    .article-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:start;
      padding:14px 12px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(17,24,39,.06);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .article-item:hover{
      transform:translateY(-2px);
      border-color:rgba(20,184,166,.24);
      box-shadow:0 14px 30px rgba(17,24,39,.08);
    }
    .article-index{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(111,70,255,.10);
      color:#5435e8;
      font-weight:800;
      flex:0 0 auto;
    }
    .article-item strong{
      display:block;
      font-size:1rem;
      font-weight:700;
      margin-bottom:5px;
    }
    .article-item p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
      line-height:1.5;
    }
    .article-meta{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:6px;
      color:var(--muted-2);
      font-size:.82rem;
      white-space:nowrap;
    }
    .article-badge{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(20,184,166,.10);
      color:#0d8b7d;
      font-weight:700;
    }
    .promo-box{
      padding:18px;
      height:100%;
    }
    .promo-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .mini-card{
      padding:14px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(17,24,39,.06);
      min-height:110px;
    }
    .mini-card .k{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
      color:#243042;
      font-weight:700;
    }
    .mini-card .v{
      font-size:1.28rem;
      font-weight:800;
      line-height:1.1;
      margin-bottom:6px;
    }
    .mini-card .t{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.5;
    }
    .matrix-box{
      padding:18px;
      margin-top:14px;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .matrix-btn{
      padding:14px 12px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.08);
      background:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      transition:all .2s ease;
      font-weight:700;
    }
    .matrix-btn:hover{
      border-color:rgba(111,70,255,.20);
      box-shadow:0 12px 24px rgba(17,24,39,.08);
      transform:translateY(-2px);
    }

    .demo-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .timeline{
      padding:18px;
      border-radius:28px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .timeline-list{
      display:grid;
      gap:14px;
      margin:14px 0 0;
      padding:0;
      list-style:none;
      position:relative;
    }
    .timeline-list::before{
      content:"";
      position:absolute;
      left:17px;
      top:8px;
      bottom:8px;
      width:2px;
      background:linear-gradient(180deg, rgba(111,70,255,.20), rgba(20,184,166,.22));
    }
    .timeline-item{
      position:relative;
      padding-left:48px;
    }
    .timeline-item::before{
      content:"";
      position:absolute;
      left:10px;
      top:6px;
      width:16px;
      height:16px;
      border-radius:50%;
      background:linear-gradient(135deg, #7c5cff, #14b8a6);
      box-shadow:0 0 0 5px rgba(124,92,255,.08);
    }
    .timeline-item strong{
      display:block;
      font-size:1rem;
      margin-bottom:4px;
      font-weight:800;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }
    .status-box{
      padding:18px;
      border-radius:28px;
      background:linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      height:100%;
    }
    .status-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:14px;
    }
    .status-card{
      padding:14px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(17,24,39,.06);
    }
    .status-card span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:.82rem;
      color:var(--muted);
    }
    .status-card strong{
      display:block;
      margin-top:10px;
      font-size:1.16rem;
      font-weight:800;
    }
    .bar{
      margin-top:10px;
      height:10px;
      background:#edf2f8;
      border-radius:999px;
      overflow:hidden;
    }
    .bar > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:var(--accent);
    }

    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .proof-card{
      padding:18px;
      border-radius:28px;
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      height:100%;
    }
    .proof-card h3{
      margin:0;
      font-size:1.18rem;
      font-weight:800;
    }
    .proof-card .num{
      margin-top:12px;
      font-size:2.1rem;
      font-weight:800;
      line-height:1;
      background:var(--accent);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .proof-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.95rem;
    }
    .compare{
      margin-top:14px;
      overflow:hidden;
      border-radius:22px;
      border:1px solid rgba(17,24,39,.08);
      background:#fff;
    }
    .compare table{
      width:100%;
      margin:0;
    }
    .compare th,
    .compare td{
      padding:14px 16px;
      border-bottom:1px solid rgba(17,24,39,.08);
      font-size:.94rem;
      vertical-align:top;
    }
    .compare thead th{
      background:#f8fafc;
      font-weight:800;
      color:#243042;
    }
    .compare tr:last-child td{
      border-bottom:0;
    }
    .check{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#0e8a71;
      font-weight:700;
    }
    .close-mark{
      color:#c22f53;
      font-weight:700;
    }

    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .pricing-card{
      padding:22px;
      position:relative;
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .pricing-card:hover{
      transform:translateY(-3px);
      border-color:rgba(111,70,255,.20);
      box-shadow:var(--shadow-md);
    }
    .pricing-card.featured{
      border-color:rgba(111,70,255,.24);
      box-shadow:0 24px 58px rgba(111,70,255,.10);
      background:
        linear-gradient(180deg, rgba(124,92,255,.08), rgba(255,255,255,.98) 18%);
    }
    .pricing-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(111,70,255,.10);
      color:#5032df;
      font-size:.82rem;
      font-weight:700;
    }
    .price{
      display:flex;
      align-items:baseline;
      gap:8px;
      margin:14px 0 10px;
    }
    .price strong{
      font-size:2.2rem;
      line-height:1;
      font-weight:800;
    }
    .price span{
      color:var(--muted);
      font-size:.95rem;
    }
    .plan-list{
      margin:14px 0 18px;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#273449;
      font-size:.95rem;
    }
    .plan-list i{
      color:#13a089;
      margin-top:3px;
      flex:0 0 auto;
    }

    .faq-shell{
      padding:18px;
    }
    .accordion{
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(17,24,39,.08);
      --bs-accordion-btn-bg: #fff;
      --bs-accordion-active-bg: #fff;
      --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(111,70,255,.10);
      --bs-accordion-btn-icon-width: 1rem;
      --bs-accordion-color: var(--text);
      --bs-accordion-btn-color: var(--text);
      --bs-accordion-active-color: var(--text);
    }
    .accordion-item{
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 20px rgba(17,24,39,.04);
      margin-bottom:12px;
      border:1px solid rgba(17,24,39,.08);
    }
    .accordion-button{
      padding:18px 18px;
      font-weight:800;
      border:0;
      box-shadow:none !important;
    }
    .accordion-button:not(.collapsed){
      color:var(--text);
      background:#fff;
    }
    .accordion-body{
      padding:0 18px 18px;
      color:var(--muted);
    }

    .security-box{
      padding:20px;
    }
    .security-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      align-items:start;
      margin-top:14px;
    }
    .security-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .security-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px 14px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(17,24,39,.06);
      color:#243042;
    }
    .security-list i{
      color:#0d8b7d;
      margin-top:4px;
      flex:0 0 auto;
    }
    .notice{
      border-radius:24px;
      background:linear-gradient(135deg, rgba(111,70,255,.10), rgba(20,184,166,.08));
      border:1px solid rgba(111,70,255,.12);
      padding:18px;
      height:100%;
    }
    .notice h3{
      margin:0 0 10px;
      font-size:1.08rem;
      font-weight:800;
    }
    .notice p{
      margin:0;
      color:var(--muted);
    }

    .cta-band{
      padding:18px 0 32px;
    }
    .cta-panel{
      border-radius:32px;
      background:linear-gradient(135deg, #0f172a 0%, #1f2a5b 38%, #5f35ea 74%, #14b8a6 100%);
      color:#fff;
      padding:24px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 24%, rgba(255,255,255,.12), transparent 16%),
        radial-gradient(circle at 90% 12%, rgba(255,255,255,.08), transparent 18%);
      pointer-events:none;
    }
    .cta-panel-inner{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      flex-wrap:wrap;
    }
    .cta-panel h2{
      margin:0;
      font-size:1.7rem;
      font-weight:800;
    }
    .cta-panel p{
      margin:8px 0 0;
      max-width:62ch;
      color:rgba(255,255,255,.82);
    }
    .cta-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:12px 18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      font-weight:700;
      transition:all .22s ease;
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      color:#fff;
      transform:translateY(-1px);
      background:rgba(255,255,255,.18);
      outline:none;
    }

    .site-footer{
      padding:20px 0 34px;
    }
    .footer-panel{
      border-radius:28px;
      background:rgba(255,255,255,.8);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      padding:20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .footer-brand .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
    }
    .footer-brand p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:62ch;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:10px 18px;
    }
    .footer-links a{
      color:#243042;
      font-weight:600;
      transition:color .2s ease;
    }
    .footer-links a:hover{ color:var(--brand); }
    .footer-note{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(17,24,39,.08);
      color:var(--muted);
      font-size:.92rem;
      flex-wrap:wrap;
    }
    .backtop{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-weight:700;
    }

    .floating-cta{
      position:fixed;
      left:50%;
      bottom:16px;
      transform:translateX(-50%);
      z-index:1050;
      width:min(var(--container), calc(100% - 24px));
      background:rgba(17,24,39,.86);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter: blur(18px);
      box-shadow:0 20px 40px rgba(17,24,39,.22);
      border-radius:24px;
      padding:12px 14px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
    }
    .floating-cta small{
      color:rgba(255,255,255,.72);
      display:block;
      margin-top:2px;
    }
    .floating-cta .btn-brand{
      padding:11px 16px;
      box-shadow:none;
    }

    .icon{
      width:18px;
      height:18px;
      stroke-width:2.1;
      flex:0 0 auto;
    }

    @media (max-width: 1199.98px){
      .hero-grid,
      .info-grid,
      .demo-wrap,
      .security-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .feature-grid,
      .proof-grid,
      .pricing-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .nav-search{ width:min(220px, 22vw); }
    }
    @media (max-width: 991.98px){
      .nav-glass{
        flex-wrap:wrap;
      }
      .nav-links{
        width:100%;
        order:3;
        justify-content:flex-start;
        padding-top:6px;
      }
      .nav-actions{
        margin-left:auto;
      }
      .hero-wrap{ padding:20px; border-radius:28px; }
      .hero h1{ max-width:100%; }
      .section-title{ font-size:1.65rem; }
      .hero-stats{
        grid-template-columns:repeat(3, minmax(0,1fr));
      }
      .matrix-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }
    @media (max-width: 767.98px){
      .site-header{ padding:10px 0; }
      .nav-glass{
        border-radius:22px;
        padding:12px;
      }
      .nav-search{
        width:100%;
        min-width:0;
        order:4;
      }
      .nav-actions{
        margin-left:0;
        width:100%;
      }
      .nav-actions .btn-brand,
      .nav-actions .btn-soft{
        flex:1 1 0;
      }
      .feature-grid,
      .proof-grid,
      .pricing-grid,
      .promo-grid,
      .status-grid,
      .matrix-grid{
        grid-template-columns:1fr;
      }
      .hero{
        padding-top:18px;
      }
      .hero h1{
        font-size:2.1rem;
      }
      .hero p{
        font-size:.98rem;
      }
      .hero-stats{
        grid-template-columns:1fr;
      }
      .progress-ring{
        grid-template-columns:1fr;
        justify-items:start;
      }
      .ring{
        width:110px;
        height:110px;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .article-item{
        grid-template-columns:auto 1fr;
      }
      .article-meta{
        grid-column:2;
        align-items:flex-start;
      }
      .floating-cta{
        width:calc(100% - 16px);
        bottom:8px;
        border-radius:20px;
      }
      .cta-panel-inner{
        align-items:flex-start;
      }
    }
    @media (max-width: 575.98px){
      .container-wide{ width:calc(100% - 18px); }
      .hero-wrap,
      .footer-panel,
      .security-box,
      .faq-shell,
      .timeline,
      .status-box,
      .promo-box,
      .article-list{
        border-radius:24px;
      }
      .hero-wrap{ padding:16px; }
      .panel-card{ padding:14px; border-radius:22px; }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .hero-actions .btn-brand,
      .hero-actions .btn-soft,
      .cta-actions .btn-brand,
      .cta-actions .btn-ghost{
        width:100%;
      }
      .floating-cta{
        flex-direction:column;
        align-items:stretch;
      }
      .floating-cta .btn-brand{
        width:100%;
      }
      .footer-note{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#f5f7fb;
      --bg-strong:#eef2f8;
      --surface:rgba(255,255,255,.78);
      --surface-strong:#ffffff;
      --text:#0f172a;
      --muted:#64748b;
      --line:rgba(15,23,42,.10);
      --brand:#6d5efc;
      --brand-2:#1cc8c8;
      --brand-3:#ff7a59;
      --accent:#f59e0b;
      --success:#10b981;
      --shadow:0 18px 50px rgba(15,23,42,.10);
      --shadow-soft:0 10px 28px rgba(15,23,42,.08);
      --radius:22px;
      --radius-sm:14px;
      --radius-xs:10px;
      --container:1180px;
      --container-wide:min(94vw, 1320px);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(109,94,252,.10), transparent 30%),
        radial-gradient(circle at 85% 12%, rgba(28,200,200,.10), transparent 25%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 38%, #f8fafc 100%);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.6;
      letter-spacing:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    ::selection{background:rgba(109,94,252,.18)}
    .container-wide{width:var(--container-wide); margin:0 auto; padding:0 18px}
    .site-header{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:1000;
      padding:14px 0;
      transition:all .28s ease;
    }
    .site-header.scrolled{
      padding:10px 0;
    }
    .nav-glass{
      display:flex;
      align-items:center;
      gap:16px;
      padding:14px 18px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:26px;
      background:rgba(10,16,33,.42);
      box-shadow:0 12px 40px rgba(7,12,22,.18);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      color:#fff;
    }
    .site-header.scrolled .nav-glass{
      background:rgba(255,255,255,.88);
      border-color:rgba(15,23,42,.08);
      color:var(--text);
      box-shadow:var(--shadow-soft);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      font-size:1rem;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 14px 24px rgba(109,94,252,.28);
      flex:0 0 auto;
    }
    .brand-text{display:flex; flex-direction:column; min-width:0}
    .brand-text strong{
      font-size:1rem;
      line-height:1.2;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.8rem;
      color:inherit;
      opacity:.78;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-left:10px;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:42px;
      padding:0 14px;
      border-radius:999px;
      font-size:.95rem;
      color:inherit;
      opacity:.86;
      transition:all .22s ease;
      border:1px solid transparent;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      opacity:1;
      background:rgba(109,94,252,.12);
      border-color:rgba(109,94,252,.18);
      outline:none;
    }
    .nav-links a.active{
      background:linear-gradient(135deg, rgba(109,94,252,.18), rgba(28,200,200,.16));
      border-color:rgba(109,94,252,.22);
      opacity:1;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:10px;
      height:42px;
      min-width:260px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.10);
      color:#fff;
    }
    .site-header.scrolled .nav-search{
      background:#fff;
      border-color:rgba(15,23,42,.10);
      color:var(--muted);
    }
    .nav-search input{
      border:none;
      outline:none;
      background:transparent;
      color:inherit;
      width:100%;
      min-width:0;
      font-size:.92rem;
    }
    .nav-search input::placeholder{color:inherit; opacity:.92}
    .btn-brand,
    .btn-soft,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      font-weight:600;
      transition:all .22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-brand{
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 14px 24px rgba(109,94,252,.20);
    }
    .btn-brand:hover,
    .btn-brand:focus-visible{
      transform:translateY(-1px);
      color:#fff;
      box-shadow:0 18px 28px rgba(109,94,252,.24);
    }
    .btn-soft{
      color:inherit;
      background:rgba(255,255,255,.16);
      border-color:rgba(255,255,255,.18);
    }
    .site-header.scrolled .btn-soft{
      background:#fff;
      border-color:rgba(15,23,42,.10);
    }
    .btn-soft:hover,
    .btn-soft:focus-visible{
      transform:translateY(-1px);
      color:inherit;
      box-shadow:0 12px 24px rgba(15,23,42,.08);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.7);
      border-color:rgba(15,23,42,.08);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      background:#fff;
      transform:translateY(-1px);
      color:var(--text);
    }
    .icon{width:18px;height:18px;stroke-width:2}
    main{
      padding-top:104px;
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:22px 0 28px;
    }
    .hero-panel{
      border-radius:34px;
      background:
        linear-gradient(135deg, rgba(109,94,252,.94), rgba(28,200,200,.86) 56%, rgba(255,122,89,.88)),
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
      color:#fff;
      box-shadow:0 24px 60px rgba(30,41,59,.18);
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-10% -12% auto auto;
      width:320px;
      height:320px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,255,255,.24), transparent 68%);
      pointer-events:none;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:auto auto -160px -120px;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,255,255,.18), transparent 66%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:28px;
      padding:34px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:16px;
      justify-content:center;
      min-width:0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      font-size:.88rem;
      font-weight:600;
      letter-spacing:0;
    }
    h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 3.5rem);
      line-height:1.08;
      letter-spacing:0;
      max-width:12ch;
    }
    .hero-copy p{
      margin:0;
      max-width:58ch;
      font-size:1.03rem;
      color:rgba(255,255,255,.92);
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:8px;
    }
    .hero-actions .btn-brand,
    .hero-actions .btn-soft,
    .hero-actions .btn-ghost{
      height:46px;
      padding:0 18px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:6px;
    }
    .meta-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,.16);
      font-size:.9rem;
      white-space:nowrap;
    }
    .hero-side{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:14px;
      justify-content:space-between;
      min-width:0;
    }
    .progress-card,
    .stats-card,
    .step-card{
      border-radius:28px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
    }
    .progress-card{
      padding:18px;
    }
    .progress-title{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:12px;
    }
    .progress-title strong{
      font-size:1rem;
    }
    .progress-title span{
      display:block;
      font-size:.88rem;
      opacity:.82;
      margin-top:2px;
    }
    .progress-bar-wrap{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      overflow:hidden;
    }
    .progress-bar-fill{
      width:72%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(255,255,255,.95), rgba(255,255,255,.56));
      box-shadow:0 0 0 1px rgba(255,255,255,.14);
    }
    .progress-note{
      display:flex;
      justify-content:space-between;
      gap:12px;
      margin-top:10px;
      font-size:.88rem;
      opacity:.88;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:12px;
    }
    .stats-card{
      padding:16px;
      min-height:112px;
    }
    .stat-value{
      font-size:1.55rem;
      font-weight:800;
      line-height:1.1;
    }
    .stat-label{
      font-size:.88rem;
      opacity:.86;
      margin-top:6px;
    }
    .stat-foot{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:12px;
      font-size:.82rem;
      opacity:.84;
    }
    .step-card{
      padding:16px;
    }
    .step-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .step-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.10);
    }
    .step-item .num{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      font-size:.82rem;
      font-weight:700;
      color:#fff;
      background:rgba(255,255,255,.18);
      flex:0 0 auto;
    }
    .step-item strong{
      display:block;
      font-size:.92rem;
      line-height:1.25;
    }
    .step-item span{
      display:block;
      font-size:.82rem;
      opacity:.84;
      margin-top:2px;
    }
    section{
      padding:18px 0 28px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:16px;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.45rem, 2vw, 2rem);
      line-height:1.15;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:62ch;
      font-size:.98rem;
    }
    .section-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(109,94,252,.16);
      background:rgba(109,94,252,.08);
      color:#4c44d8;
      font-weight:600;
      font-size:.86rem;
      white-space:nowrap;
    }
    .spotlight-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .spot-card{
      background:var(--surface-strong);
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow-soft);
      padding:20px;
      min-height:214px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .spot-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(109,94,252,.18);
    }
    .spot-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 18px rgba(109,94,252,.22);
      margin-bottom:14px;
    }
    .spot-card h3{
      margin:0 0 8px;
      font-size:1.05rem;
      line-height:1.25;
    }
    .spot-card p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }
    .spot-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:14px;
      padding:7px 10px;
      border-radius:999px;
      background:#f8fafc;
      color:#334155;
      border:1px solid var(--line);
      font-size:.82rem;
      font-weight:600;
    }
    .demo-shell{
      background:linear-gradient(180deg, #fff, #f8fbff);
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .demo-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      margin-bottom:16px;
    }
    .toggle-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .toggle-row .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      font-size:.88rem;
      transition:all .2s ease;
    }
    .toggle-row .chip.active{
      color:var(--text);
      background:rgba(109,94,252,.10);
      border-color:rgba(109,94,252,.18);
    }
    .demo-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:16px;
      align-items:stretch;
    }
    .timeline-card,
    .matrix-card{
      border-radius:26px;
      border:1px solid var(--line);
      background:#fff;
      padding:18px;
      min-height:100%;
    }
    .timeline{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:36px 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px 14px;
      border-radius:18px;
      background:#f8fafc;
      border:1px solid var(--line);
    }
    .timeline-item .dot{
      width:36px;
      height:36px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      font-weight:700;
      font-size:.9rem;
    }
    .timeline-item strong{
      display:block;
      font-size:.98rem;
      margin-bottom:2px;
    }
    .timeline-item span{
      display:block;
      color:var(--muted);
      font-size:.88rem;
    }
    .timeline-item em{
      font-style:normal;
      font-size:.82rem;
      padding:6px 9px;
      border-radius:999px;
      background:rgba(28,200,200,.10);
      color:#0f766e;
      border:1px solid rgba(28,200,200,.16);
      white-space:nowrap;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:12px;
    }
    .matrix-item{
      border-radius:20px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, #fff, #f8fafc);
      padding:14px;
      min-height:122px;
      transition:all .2s ease;
    }
    .matrix-item:hover{
      transform:translateY(-2px);
      border-color:rgba(109,94,252,.18);
      box-shadow:0 10px 22px rgba(15,23,42,.06);
    }
    .matrix-item .kicker{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(109,94,252,.08);
      color:#4c44d8;
      font-size:.8rem;
      font-weight:700;
      margin-bottom:10px;
    }
    .matrix-item strong{
      display:block;
      font-size:.95rem;
      margin-bottom:5px;
    }
    .matrix-item p{
      margin:0;
      font-size:.86rem;
      color:var(--muted);
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:16px;
    }
    .proof-panel,
    .compare-panel{
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .proof-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      margin-bottom:16px;
    }
    .proof-stat{
      border-radius:24px;
      padding:18px;
      background:linear-gradient(180deg, #fff, #f8fafc);
      border:1px solid var(--line);
      min-height:132px;
    }
    .proof-stat strong{
      display:block;
      font-size:1.6rem;
      line-height:1.1;
    }
    .proof-stat span{
      display:block;
      color:var(--muted);
      font-size:.88rem;
      margin-top:8px;
    }
    .proof-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .proof-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px 14px;
      border-radius:18px;
      background:#f8fafc;
      border:1px solid var(--line);
      color:#334155;
      font-size:.94rem;
    }
    .proof-list .check{
      width:24px;
      height:24px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(16,185,129,.12);
      color:#059669;
      flex:0 0 auto;
      margin-top:1px;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0 10px;
    }
    .compare-table th,
    .compare-table td{
      padding:12px 12px;
      text-align:left;
      font-size:.92rem;
    }
    .compare-table thead th{
      color:var(--muted);
      font-weight:600;
      padding-top:0;
    }
    .compare-table tbody tr{
      background:#f8fafc;
    }
    .compare-table tbody td{
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .compare-table tbody td:first-child{
      border-left:1px solid var(--line);
      border-radius:16px 0 0 16px;
      font-weight:600;
      color:#0f172a;
    }
    .compare-table tbody td:last-child{
      border-right:1px solid var(--line);
      border-radius:0 16px 16px 0;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(109,94,252,.10);
      color:#4c44d8;
      font-weight:700;
      font-size:.8rem;
      white-space:nowrap;
    }
    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .plan-card{
      position:relative;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:22px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      overflow:hidden;
    }
    .plan-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto auto;
      width:110px;
      height:110px;
      background:radial-gradient(circle, rgba(109,94,252,.12), transparent 68%);
      pointer-events:none;
    }
    .plan-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(109,94,252,.16);
    }
    .plan-card.featured{
      border-color:rgba(109,94,252,.22);
      box-shadow:0 22px 48px rgba(109,94,252,.12);
      transform:translateY(-4px);
    }
    .plan-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
      margin-bottom:12px;
    }
    .plan-head h3{
      margin:0;
      font-size:1.1rem;
    }
    .plan-price{
      font-size:2rem;
      line-height:1;
      font-weight:800;
      margin:12px 0 4px;
    }
    .plan-price small{
      font-size:.88rem;
      color:var(--muted);
      font-weight:500;
    }
    .plan-desc{
      color:var(--muted);
      font-size:.94rem;
      margin:0 0 16px;
      min-height:48px;
    }
    .plan-list{
      display:grid;
      gap:10px;
      margin:0 0 18px;
      padding:0;
      list-style:none;
    }
    .plan-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#334155;
      font-size:.93rem;
    }
    .plan-list .dot{
      width:20px;
      height:20px;
      border-radius:7px;
      background:rgba(28,200,200,.12);
      color:#0f766e;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .plan-card .btn-brand,
    .plan-card .btn-ghost{
      width:100%;
      justify-content:center;
    }
    .faq-wrap{
      background:linear-gradient(180deg, #fff, #f8fbff);
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .accordion{
      --bs-accordion-border-color:rgba(15,23,42,.08);
      --bs-accordion-border-radius:18px;
      --bs-accordion-inner-border-radius:18px;
      --bs-accordion-btn-bg:#fff;
      --bs-accordion-active-bg:rgba(109,94,252,.06);
      --bs-accordion-btn-focus-box-shadow:0 0 0 .18rem rgba(109,94,252,.12);
      --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236d5efc' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 8h12M8 2v12'/%3e%3c/svg%3e");
      --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236d5efc' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 8h12'/%3e%3c/svg%3e");
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid var(--line);
      border-radius:18px !important;
      overflow:hidden;
      background:#fff;
    }
    .accordion-button{
      font-weight:700;
      color:var(--text);
      box-shadow:none !important;
      padding:16px 18px;
    }
    .accordion-button:not(.collapsed){
      color:var(--text);
    }
    .accordion-body{
      color:var(--muted);
      padding:0 18px 16px;
      font-size:.95rem;
    }
    .cta-band{
      padding:8px 0 24px;
    }
    .cta-panel{
      border-radius:34px;
      background:
        linear-gradient(135deg, rgba(15,23,42,.98), rgba(15,23,42,.88)),
        linear-gradient(135deg, rgba(109,94,252,.92), rgba(28,200,200,.82));
      color:#fff;
      padding:26px;
      position:relative;
      overflow:hidden;
      box-shadow:0 22px 54px rgba(15,23,42,.18);
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:auto -100px -120px auto;
      width:320px;
      height:320px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,255,255,.14), transparent 68%);
      pointer-events:none;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-grid h2{
      margin:0 0 8px;
      font-size:clamp(1.5rem, 2.4vw, 2.2rem);
      line-height:1.15;
    }
    .cta-grid p{
      margin:0;
      color:rgba(255,255,255,.82);
      max-width:60ch;
    }
    .cta-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .cta-list li{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-size:.92rem;
    }
    .cta-list .dot{
      width:22px;
      height:22px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.16);
      flex:0 0 auto;
    }
    .site-footer{
      padding:10px 0 30px;
    }
    .footer-panel{
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:20px;
      align-items:start;
      padding-bottom:16px;
      border-bottom:1px solid var(--line);
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .footer-brand p{
      margin:8px 0 0;
      color:var(--muted);
      max-width:58ch;
      font-size:.94rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
      justify-items:start;
    }
    .footer-links a{
      color:var(--muted);
      transition:color .2s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--text);
      outline:none;
    }
    .footer-note{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-top:16px;
      color:var(--muted);
      font-size:.9rem;
      flex-wrap:wrap;
    }
    .backtop{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--text);
      font-weight:600;
    }
    .backtop:hover,
    .backtop:focus-visible{
      color:#4c44d8;
      outline:none;
    }
    .category-head{
      margin-top:8px;
      margin-bottom:18px;
    }
    .category-panel{
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:22px;
    }
    .category-top{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
    }
    .category-top h1{
      max-width:none;
      font-size:clamp(1.8rem, 3vw, 2.6rem);
      color:var(--text);
    }
    .category-top p{
      color:var(--muted);
      margin:10px 0 0;
      max-width:58ch;
    }
    .filter-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .filter-group{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
    }
    .filter-btn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:40px;
      padding:0 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      transition:all .2s ease;
      font-weight:600;
      font-size:.9rem;
    }
    .filter-btn.active,
    .filter-btn:hover,
    .filter-btn:focus-visible{
      color:var(--text);
      background:rgba(109,94,252,.08);
      border-color:rgba(109,94,252,.16);
      outline:none;
    }
    .sort-box{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      font-size:.9rem;
    }
    .sort-box select{
      border:none;
      outline:none;
      background:transparent;
      color:var(--text);
      font-weight:600;
    }
    .tag-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#f8fafc;
      color:#334155;
      font-size:.84rem;
      white-space:nowrap;
    }
    .list-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
      margin-top:18px;
    }
    .list-card{
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      padding:18px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      min-height:210px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .list-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:rgba(109,94,252,.18);
    }
    .list-card-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .list-card h3{
      margin:0;
      font-size:1.02rem;
      line-height:1.28;
    }
    .list-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }
    .list-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .list-meta .tag{
      background:#fff;
    }
    .list-card .btn-ghost{
      width:100%;
    }
    .anchor-strip{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .anchor-strip a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:38px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      font-size:.88rem;
    }
    .anchor-strip a:hover,
    .anchor-strip a:focus-visible{
      color:var(--text);
      border-color:rgba(109,94,252,.18);
      background:rgba(109,94,252,.08);
      outline:none;
    }
    .muted-note{
      color:var(--muted);
      font-size:.9rem;
    }
    @media (max-width: 1199px){
      .spotlight-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .list-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .pricing-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .proof-grid,.demo-grid,.category-top,.cta-grid,.footer-grid,.hero-grid{grid-template-columns:1fr}
    }
    @media (max-width: 991px){
      main{padding-top:96px}
      .nav-glass{padding:12px 14px}
      .nav-actions{display:none}
      .nav-links{margin-left:0}
      .hero-grid{padding:22px}
      .hero-panel{border-radius:28px}
      .proof-stats{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .matrix-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start; flex-direction:column}
    }
    @media (max-width: 767px){
      .site-header{padding:10px 0}
      .nav-glass{
        gap:10px;
        border-radius:22px;
        padding:10px 12px;
      }
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text span{display:none}
      .nav-links{
        overflow:auto;
        padding-bottom:2px;
        flex-wrap:nowrap;
        max-width:100%;
      }
      .nav-links a{height:38px;padding:0 12px;font-size:.88rem}
      .hero-panel{border-radius:24px}
      .hero-grid{padding:18px}
      h1{max-width:100%}
      .spotlight-grid,.list-grid,.pricing-grid,.stats-grid,.proof-stats{grid-template-columns:1fr}
      .demo-shell,.proof-panel,.compare-panel,.faq-wrap,.category-panel,.footer-panel,.cta-panel{padding:18px}
      .timeline-item{grid-template-columns:32px 1fr;align-items:flex-start}
      .timeline-item em{grid-column:2;justify-self:start}
      .matrix-grid,.proof-grid,.demo-grid,.cta-grid,.footer-grid,.category-top{grid-template-columns:1fr}
      .filter-row{align-items:flex-start}
      .sort-box{width:100%; justify-content:space-between}
      .footer-note{justify-content:flex-start}
      .hero-actions .btn-brand,
      .hero-actions .btn-soft,
      .hero-actions .btn-ghost,
      .list-card .btn-ghost,
      .plan-card .btn-brand,
      .plan-card .btn-ghost{
        width:100%;
      }
    }
    @media (max-width: 520px){
      .container-wide{padding:0 14px}
      .hero-copy p,
      .section-head p,
      .category-top p{font-size:.95rem}
      .hero-panel:before,.hero-panel:after,.cta-panel:before{display:none}
      .progress-card,.stats-card,.step-card,.list-card,.spot-card,.plan-card{border-radius:22px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn-brand,
      .hero-actions .btn-soft,
      .hero-actions .btn-ghost{
        width:100%;
      }
      .proof-stats{grid-template-columns:1fr}
      .compare-table th,
      .compare-table td{padding:10px 8px}
    }