/* roulang page: index */
:root{
      --primary:#7c3aed;
      --primary-2:#a855f7;
      --secondary:#06b6d4;
      --accent:#f59e0b;
      --ink:#14121f;
      --text:#302b45;
      --muted:#716b86;
      --soft:#f6f3ff;
      --soft-2:#eefaff;
      --card:#ffffff;
      --line:#e8e2f5;
      --dark:#161126;
      --success:#12b981;
      --danger:#ef4444;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 10px 24px rgba(37,24,80,.08);
      --shadow:0 22px 60px rgba(67,35,128,.14);
      --shadow-hover:0 26px 72px rgba(67,35,128,.22);
      --container:1180px;
      --gap:24px;
      --nav-height:76px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at 12% 6%, rgba(168,85,247,.16), transparent 32%),
        radial-gradient(circle at 88% 0%, rgba(6,182,212,.16), transparent 30%),
        linear-gradient(180deg,#fff 0%,#fbf9ff 38%,#f7fbff 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease, background .2s ease, transform .2s ease}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(124,58,237,.18)}
    :focus-visible{outline:3px solid rgba(6,182,212,.45);outline-offset:3px;border-radius:10px}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .section{
      padding:84px 0;
      position:relative;
    }
    .section.compact{padding:56px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-size:14px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:22px;
      height:8px;
      border-radius:20px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }
    .section-title{
      margin:0;
      color:var(--ink);
      font-size:clamp(28px,3.2vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .section-desc{
      max-width:640px;
      color:var(--muted);
      margin:12px 0 0;
      font-size:16px;
    }
    .text-right-note{
      max-width:360px;
      color:var(--muted);
      font-size:14px;
      border-left:3px solid rgba(124,58,237,.2);
      padding-left:16px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(232,226,245,.92);
    }
    .nav-shell{
      height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      min-width:0;
      gap:12px;
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.04em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 30px rgba(124,58,237,.26);
    }
    .brand-text{
      max-width:360px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:18px;
    }
    .nav-center{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      padding:10px 14px;
      border-radius:999px;
      color:var(--text);
      font-weight:800;
      font-size:14px;
    }
    .nav-link:hover{
      background:var(--soft);
      color:var(--primary);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 10px 28px rgba(124,58,237,.22);
    }
    .mega-wrap{position:relative}
    .mega-trigger{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      color:var(--text);
    }
    .mega-trigger:hover{
      color:var(--primary);
      background:#fff;
      border-color:var(--line);
      box-shadow:var(--shadow-sm);
    }
    .mega-panel{
      position:absolute;
      right:0;
      top:calc(100% + 14px);
      width:420px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.96);
      box-shadow:var(--shadow);
      opacity:0;
      visibility:hidden;
      transform:translateY(12px);
      transition:.2s ease;
    }
    .mega-wrap:hover .mega-panel,
    .mega-wrap:focus-within .mega-panel{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .mega-card{
      padding:14px;
      border-radius:18px;
      background:linear-gradient(180deg,#fff,var(--soft));
      border:1px solid rgba(232,226,245,.9);
    }
    .mega-card strong{
      display:block;
      color:var(--ink);
      margin-bottom:4px;
      font-size:14px;
    }
    .mega-card span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .site-search{
      position:relative;
      width:210px;
    }
    .site-search input{
      width:100%;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:0 42px 0 16px;
      color:var(--text);
      background:#fff;
      box-shadow:0 8px 20px rgba(30,20,70,.05);
      transition:.2s ease;
    }
    .site-search input:focus{
      border-color:rgba(124,58,237,.45);
      box-shadow:0 0 0 4px rgba(124,58,237,.1);
      outline:none;
    }
    .site-search button{
      position:absolute;
      right:5px;
      top:5px;
      width:32px;
      height:32px;
      border:0;
      border-radius:50%;
      background:var(--soft);
      color:var(--primary);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--primary);
      font-weight:900;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border:0;
      border-radius:999px;
      font-weight:900;
      line-height:1;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 55%,var(--secondary));
      box-shadow:0 16px 32px rgba(124,58,237,.26);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 46px rgba(124,58,237,.34);
    }
    .btn-ghost{
      color:var(--primary);
      background:#fff;
      border:1px solid rgba(124,58,237,.2);
      box-shadow:var(--shadow-sm);
    }
    .btn-ghost:hover{
      background:var(--soft);
      transform:translateY(-2px);
    }
    .btn-dark{
      background:var(--dark);
      color:#fff;
      box-shadow:0 14px 32px rgba(22,17,38,.18);
    }
    .btn-dark:hover{color:#fff;transform:translateY(-2px);background:#241a3a}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      color:var(--primary);
      background:rgba(124,58,237,.1);
      border:1px solid rgba(124,58,237,.16);
    }
    .badge.cyan{color:#0786a0;background:rgba(6,182,212,.1);border-color:rgba(6,182,212,.22)}
    .badge.gold{color:#9a5f00;background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.22)}

    .hero{
      padding:58px 0 72px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(232,226,245,.9);
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.66)),
        radial-gradient(circle at 18% 20%,rgba(124,58,237,.16),transparent 26%),
        radial-gradient(circle at 78% 0%,rgba(6,182,212,.18),transparent 30%);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-160px;
      bottom:-190px;
      border-radius:50%;
      background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(6,182,212,.12));
      filter:blur(2px);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.12fr .82fr .78fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      padding:14px 10px 14px 6px;
    }
    .eyebrow-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    h1{
      margin:0;
      color:var(--ink);
      font-size:clamp(34px,5vw,62px);
      line-height:1.07;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-intro{
      margin:20px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-data{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:28px;
    }
    .data-pill{
      padding:13px 14px;
      border:1px solid rgba(232,226,245,.95);
      border-radius:18px;
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 22px rgba(50,30,90,.06);
    }
    .data-pill strong{
      display:block;
      color:var(--ink);
      font-size:20px;
      line-height:1.1;
    }
    .data-pill span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:5px;
    }
    .whitepaper-cover{
      min-height:440px;
      border-radius:28px;
      padding:24px;
      color:#fff;
      background:
        linear-gradient(145deg,rgba(20,18,31,.96),rgba(61,31,117,.94) 58%,rgba(6,182,212,.82)),
        radial-gradient(circle at 20% 10%,rgba(255,255,255,.18),transparent 25%);
      box-shadow:0 24px 70px rgba(34,20,70,.28);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .whitepaper-cover::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.16);
      pointer-events:none;
    }
    .cover-code{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      font-size:13px;
      color:rgba(255,255,255,.72);
      position:relative;
      z-index:1;
    }
    .cover-title{
      position:relative;
      z-index:1;
    }
    .cover-title small{
      display:block;
      margin-bottom:10px;
      color:#b9f4ff;
      font-weight:800;
      letter-spacing:.12em;
    }
    .cover-title strong{
      display:block;
      font-size:32px;
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .toc-list{
      position:relative;
      z-index:1;
      padding:0;
      margin:22px 0 0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      color:rgba(255,255,255,.84);
      border-bottom:1px dashed rgba(255,255,255,.18);
      padding-bottom:9px;
      font-size:14px;
    }
    .lead-card{
      border:1px solid rgba(232,226,245,.95);
      border-radius:28px;
      padding:22px;
      background:rgba(255,255,255,.9);
      box-shadow:var(--shadow-sm);
      align-self:stretch;
    }
    .lead-card h2{
      margin:0;
      color:var(--ink);
      font-size:22px;
      line-height:1.25;
      font-weight:900;
    }
    .lead-card p{
      color:var(--muted);
      margin:10px 0 18px;
      font-size:14px;
    }
    .field{
      margin-bottom:13px;
    }
    .field label{
      display:block;
      margin-bottom:7px;
      color:var(--ink);
      font-weight:800;
      font-size:13px;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--text);
      padding:12px 14px;
      min-height:46px;
      box-shadow:none;
      transition:border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea{min-height:98px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(124,58,237,.5);
      box-shadow:0 0 0 4px rgba(124,58,237,.1);
      outline:none;
    }
    .form-note{
      color:var(--muted);
      font-size:12px;
      margin:12px 0 0;
    }
    .form-status{
      margin-top:12px;
      display:none;
      padding:11px 13px;
      border-radius:14px;
      color:#076b51;
      background:rgba(18,185,129,.11);
      border:1px solid rgba(18,185,129,.2);
      font-size:13px;
      font-weight:800;
    }

    .triad-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      min-height:252px;
      padding:24px;
      border-radius:28px;
      border:1px solid rgba(232,226,245,.92);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .feature-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(124,58,237,.24);
    }
    .feature-card:nth-child(2){background:linear-gradient(180deg,#fff,#f1fcff)}
    .feature-card:nth-child(3){background:linear-gradient(180deg,#fff,#fff7ed)}
    .feature-index{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      color:#fff;
      border-radius:18px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:950;
      box-shadow:0 14px 30px rgba(124,58,237,.22);
      margin-bottom:18px;
    }
    .feature-card h3{
      margin:0;
      color:var(--ink);
      font-size:22px;
      line-height:1.25;
      font-weight:900;
    }
    .feature-card p{
      color:var(--muted);
      margin:12px 0 18px;
      font-size:15px;
    }
    .mini-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .mini-list li{
      display:flex;
      gap:9px;
      align-items:flex-start;
      color:var(--text);
      font-size:14px;
    }
    .mini-list li::before{
      content:"✓";
      flex:0 0 20px;
      height:20px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#fff;
      background:var(--success);
      font-size:12px;
      margin-top:2px;
    }

    .demo-layout{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:start;
    }
    .dashboard-card,.matrix-card,.compare-card,.faq-card,.news-card,.cta-card{
      border:1px solid rgba(232,226,245,.92);
      border-radius:30px;
      background:rgba(255,255,255,.9);
      box-shadow:var(--shadow-sm);
    }
    .dashboard-card{
      padding:24px;
      background:
        radial-gradient(circle at 20% 0%,rgba(124,58,237,.12),transparent 28%),
        #fff;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:13px;
      margin-top:20px;
    }
    .metric{
      padding:17px;
      border-radius:20px;
      background:var(--soft);
      border:1px solid rgba(124,58,237,.12);
    }
    .metric strong{
      display:block;
      color:var(--ink);
      font-size:28px;
      line-height:1;
      letter-spacing:-.03em;
    }
    .metric span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:8px;
    }
    .event-box{
      margin-top:18px;
      padding:18px;
      border-radius:22px;
      color:#fff;
      background:linear-gradient(135deg,var(--dark),#3e2670);
    }
    .event-box h3{
      margin:0 0 12px;
      font-size:21px;
      font-weight:900;
      color:#fff;
    }
    .event-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin:10px 0;
      color:rgba(255,255,255,.84);
      font-size:14px;
    }
    .event-line b{
      color:#fff;
      min-width:70px;
    }
    .matrix-card{
      padding:24px;
    }
    .matrix-head{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      margin-bottom:16px;
    }
    .service-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .service-item{
      padding:17px;
      border-radius:20px;
      background:linear-gradient(180deg,#fff,var(--soft));
      border:1px solid rgba(232,226,245,.9);
      transition:.2s ease;
    }
    .service-item:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-sm);
    }
    .service-item strong{
      display:block;
      color:var(--ink);
      margin-bottom:5px;
      font-size:16px;
    }
    .service-item span{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .timeline{
      margin-top:18px;
      padding:18px;
      border-radius:22px;
      background:#fbfdff;
      border:1px solid var(--line);
    }
    .timeline-step{
      display:grid;
      grid-template-columns:36px 1fr;
      gap:12px;
      position:relative;
      padding-bottom:16px;
    }
    .timeline-step:not(:last-child)::after{
      content:"";
      position:absolute;
      left:17px;
      top:38px;
      bottom:0;
      width:2px;
      background:linear-gradient(var(--primary),rgba(124,58,237,.05));
    }
    .step-dot{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:900;
      z-index:1;
    }
    .step-body strong{
      display:block;
      color:var(--ink);
      font-weight:900;
    }
    .step-body span{
      color:var(--muted);
      font-size:14px;
    }

    .proof-wrap{
      display:grid;
      grid-template-columns:1fr .92fr;
      gap:22px;
      align-items:stretch;
    }
    .compare-card{
      overflow:hidden;
    }
    .compare-top{
      padding:24px 24px 4px;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin-top:16px;
      overflow:hidden;
      border-radius:22px;
    }
    .compare-table th,.compare-table td{
      padding:15px 18px;
      text-align:left;
      border-bottom:1px solid var(--line);
      font-size:14px;
      vertical-align:top;
    }
    .compare-table th{
      color:var(--ink);
      background:var(--soft);
      font-weight:900;
    }
    .compare-table td:first-child{
      color:var(--muted);
      width:34%;
    }
    .compare-table tr:last-child td{border-bottom:0}
    .quote-wall{
      display:grid;
      gap:14px;
    }
    .quote-card{
      padding:20px;
      border-radius:24px;
      border:1px solid rgba(232,226,245,.92);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .quote-card p{
      margin:0;
      color:var(--text);
      font-size:15px;
    }
    .quote-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:14px;
      color:var(--muted);
      font-size:13px;
    }
    .rating{
      color:#d97706;
      font-weight:900;
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:start;
    }
    .news-card{
      padding:0;
      overflow:hidden;
    }
    .news-list{
      list-style:none;
      padding:0;
      margin:0;
    }
    .news-list li{
      border-bottom:1px solid var(--line);
    }
    .news-list li:last-child{border-bottom:0}
    .news-link{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      color:var(--text);
    }
    .news-link:hover{
      background:linear-gradient(90deg,rgba(124,58,237,.07),rgba(6,182,212,.05));
      color:var(--primary);
    }
    .news-date{
      display:inline-flex;
      flex-direction:column;
      align-items:flex-start;
      justify-content:center;
      gap:2px;
      padding:10px 12px;
      border-radius:16px;
      background:var(--soft);
      color:var(--primary);
      font-weight:900;
      line-height:1.15;
    }
    .news-date small{
      color:var(--muted);
      font-weight:800;
    }
    .news-title{
      min-width:0;
    }
    .news-title strong{
      display:block;
      color:var(--ink);
      font-size:17px;
      line-height:1.35;
      margin-bottom:4px;
    }
    .news-title span{
      display:block;
      color:var(--muted);
      font-size:14px;
    }
    .arrow{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary);
    }
    .calendar-card{
      padding:22px;
      border-radius:30px;
      background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid rgba(232,226,245,.92);
      box-shadow:var(--shadow-sm);
    }
    .calendar-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .calendar-list li{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:12px;
      align-items:center;
      padding:12px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
    }
    .date-chip{
      height:54px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:950;
      line-height:1.05;
    }
    .date-chip small{display:block;font-size:11px;font-weight:800}
    .calendar-list strong{
      display:block;
      color:var(--ink);
      font-size:14px;
      line-height:1.35;
    }
    .calendar-list span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }
    .hot-list{
      margin-top:18px;
      padding:18px;
      border-radius:22px;
      background:var(--dark);
      color:#fff;
    }
    .hot-list h3{
      margin:0 0 12px;
      color:#fff;
      font-size:20px;
      font-weight:900;
    }
    .rank-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:11px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .rank-item:last-child{border-bottom:0}
    .rank-item b{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:rgba(255,255,255,.12);
      color:#b9f4ff;
    }
    .rank-item span{
      flex:1;
      color:rgba(255,255,255,.83);
      font-size:14px;
    }
    .rank-item a{
      color:#fff;
      font-weight:900;
      font-size:13px;
      opacity:.9;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:24px;
      align-items:start;
    }
    .faq-side{
      position:sticky;
      top:100px;
      padding:24px;
      border-radius:30px;
      color:#fff;
      background:linear-gradient(145deg,var(--primary),#361b65);
      box-shadow:var(--shadow);
    }
    .faq-side h2{
      margin:0;
      color:#fff;
      font-size:30px;
      line-height:1.18;
      font-weight:950;
    }
    .faq-side p{
      color:rgba(255,255,255,.82);
      margin:14px 0 20px;
    }
    .faq-card{
      padding:10px;
    }
    .faq-item{
      border-bottom:1px solid var(--line);
    }
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      padding:20px;
      border:0;
      background:transparent;
      color:var(--ink);
      font-weight:900;
      text-align:left;
      border-radius:20px;
    }
    .faq-question:hover{
      background:var(--soft);
      color:var(--primary);
    }
    .faq-icon{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:var(--soft);
      color:var(--primary);
      flex:0 0 28px;
      transition:transform .2s ease;
    }
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}

    .cta-section{
      padding:70px 0 100px;
    }
    .cta-card{
      overflow:hidden;
      padding:0;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
    }
    .cta-info{
      color:#fff;
      padding:36px;
      background:
        radial-gradient(circle at 20% 10%,rgba(255,255,255,.18),transparent 28%),
        linear-gradient(145deg,var(--dark),var(--primary));
    }
    .cta-info h2{
      margin:0;
      color:#fff;
      font-size:36px;
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .cta-info p{
      color:rgba(255,255,255,.82);
      margin:14px 0 22px;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:22px;
    }
    .entry{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
    }
    .entry strong{display:block;font-size:14px}
    .entry span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:4px}
    .cta-form{
      padding:32px;
      background:#fff;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-grid .field.full{grid-column:1 / -1}
    .checkbox-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      margin:8px 0 16px;
    }
    .checkbox-line input{
      width:18px;
      height:18px;
      margin-top:3px;
      accent-color:var(--primary);
    }

    .sticky-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:45;
      width:min(880px, calc(100% - 28px));
      padding:12px 14px;
      border-radius:999px;
      background:rgba(22,17,38,.92);
      color:#fff;
      box-shadow:0 18px 48px rgba(22,17,38,.24);
      backdrop-filter:blur(16px);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      border:1px solid rgba(255,255,255,.12);
    }
    .sticky-cta span{
      padding-left:8px;
      color:rgba(255,255,255,.84);
      font-weight:800;
      font-size:14px;
    }
    .sticky-cta .btn{
      min-height:38px;
      padding:10px 15px;
      box-shadow:none;
    }

    .site-footer{
      background:#110d1d;
      color:rgba(255,255,255,.74);
      padding:58px 0 92px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:18px;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{
      box-shadow:none;
    }
    .footer-text{
      max-width:520px;
      margin:0;
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin:0 0 12px;
      font-size:15px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.52);
      font-size:13px;
    }

    @media (max-width:1100px){
      .hero-grid{grid-template-columns:1fr 1fr}
      .hero-copy{grid-column:1 / -1}
      .whitepaper-cover{min-height:360px}
      .site-search{display:none}
      .brand-text{max-width:280px}
    }
    @media (max-width:900px){
      .section{padding:66px 0}
      .section-head{display:block}
      .text-right-note{margin-top:16px;max-width:none}
      .triad-grid,.demo-layout,.proof-wrap,.news-layout,.faq-wrap,.cta-card,.footer-grid{grid-template-columns:1fr}
      .faq-side{position:relative;top:auto}
      .cta-card{display:block}
      .form-grid{grid-template-columns:1fr}
      .news-link{grid-template-columns:88px 1fr}
      .news-link .arrow{display:none}
      .sticky-cta{border-radius:22px;align-items:flex-start}
    }
    @media (max-width:768px){
      :root{--nav-height:auto}
      .container{width:min(100% - 28px, var(--container))}
      .nav-shell{
        min-height:68px;
        flex-wrap:wrap;
        padding:12px 0;
      }
      .menu-toggle{display:grid;place-items:center;margin-left:auto}
      .nav-center,.header-actions{
        display:none;
        width:100%;
      }
      .site-header.nav-open .nav-center,
      .site-header.nav-open .header-actions{
        display:flex;
        flex-direction:column;
        align-items:stretch;
      }
      .site-header.nav-open .site-search{
        display:block;
        width:100%;
      }
      .nav-link,.mega-trigger{
        width:100%;
        justify-content:center;
        border-radius:16px;
        background:#fff;
        border:1px solid var(--line);
      }
      .mega-wrap{width:100%}
      .mega-panel{
        position:static;
        width:100%;
        margin-top:10px;
        opacity:1;
        visibility:visible;
        transform:none;
        display:none;
      }
      .site-header.nav-open .mega-panel{display:block}
      .hero{padding:28px 0 54px}
      .hero-panel{padding:20px;border-radius:26px}
      .hero-grid{grid-template-columns:1fr}
      .hero-data{grid-template-columns:1fr}
      h1{font-size:34px}
      .whitepaper-cover{min-height:330px}
      .metric-grid,.service-matrix,.entry-grid{grid-template-columns:1fr}
      .sticky-cta{
        left:14px;
        right:14px;
        bottom:12px;
        width:auto;
        transform:none;
        flex-direction:column;
      }
      .sticky-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;flex-basis:38px}
      .brand-text{max-width:230px;font-size:15px}
      .hero-actions .btn{width:100%}
      .section-title{font-size:28px}
      .cover-title strong{font-size:26px}
      .lead-card,.dashboard-card,.matrix-card,.calendar-card,.cta-info,.cta-form{padding:20px}
      .news-link{
        grid-template-columns:1fr;
        gap:10px;
      }
      .news-date{width:max-content}
      .compare-table th,.compare-table td{padding:12px;font-size:13px}
    }