:root{
      --bg0:#fbfbfe;
      --bg1:#f6f7fb;
      --card:#ffffff;
      --text:#15171c;
      --muted:#5a616e;
      --muted2:#7a8393;
      --line:rgba(20,25,35,.10);
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --shadow2:0 12px 36px rgba(0,0,0,.10);
      --brand:#5b7cfa;
      --brand2:#a855f7;
      --brand3:#22c55e;
      --brand4:#06b6d4;
      --danger:#ef4444;
      --radius:16px;
      --radius2:22px;
      --container:1120px;
      --pad:18px;
      --focus: rgba(91,124,250,.25);
      --glass: rgba(255,255,255,.65);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 15% -10%, rgba(168,85,247,.12), transparent 60%),
        radial-gradient(700px 420px at 85% 0%, rgba(91,124,250,.12), transparent 55%),
        radial-gradient(900px 520px at 60% 20%, rgba(34,197,94,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
    }

    a{color:inherit; text-decoration:none}
    a:hover{opacity:.92}
    .container{
      width:min(var(--container), calc(100% - 2*var(--pad)));
      margin:0 auto;
    }

    .skip-link{
      position:absolute; left:-999px; top:0;
      background:var(--text); color:#fff;
      padding:10px 12px; border-radius:12px; z-index:9999;
    }
    .skip-link:focus{left:var(--pad); top:12px}

    /* Header */
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,254,.78);
      border-bottom:1px solid rgba(20,25,35,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:220px;
    }
    .ai-page-logo{
      width:34px; height:34px; border-radius:10px;
      box-shadow:0 10px 24px rgba(91,124,250,.18);
      object-fit:contain;
      background: rgba(255,255,255,.7);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title b{font-size:14px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav{
      display:flex; align-items:center; gap:8px; flex:1; justify-content:center;
    }
    .nav-links{
      display:flex; align-items:center; gap:6px; flex-wrap:wrap;
      justify-content:center;
    }
    .nav-links a{
      font-size:13px; color:var(--muted);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(91,124,250,.08);
      border-color: rgba(91,124,250,.18);
      color: #27324a;
      transform: translateY(-1px);
    }

    .nav-actions{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end; min-width:220px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      border-radius:14px;
      padding:10px 14px;
      border:1px solid rgba(20,25,35,.12);
      background:rgba(255,255,255,.65);
      color:var(--text);
      box-shadow:0 8px 20px rgba(15,23,42,.06);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      font-weight:650;
      font-size:13px;
      user-select:none;
      cursor:pointer;
    }
    .btn:focus{outline:2px solid var(--focus); outline-offset:2px}
    .btn:hover{transform: translateY(-1px); box-shadow:0 12px 30px rgba(15,23,42,.10)}
    .btn-primary{
      border-color: rgba(91,124,250,.35);
      background: linear-gradient(135deg, rgba(91,124,250,.95), rgba(168,85,247,.85));
      color:#fff;
      box-shadow: 0 14px 34px rgba(91,124,250,.22);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: conic-gradient(from 180deg, rgba(34,197,94,.35), rgba(6,182,212,.35), rgba(168,85,247,.38), rgba(91,124,250,.35));
      opacity:.22;
      filter: blur(14px);
      transform: translate3d(0,0,0);
    }
    .btn-primary > span{position:relative; z-index:1}
    .btn-ghost{
      background: rgba(255,255,255,.35);
      border-color: rgba(20,25,35,.10);
      box-shadow:none;
    }

    .mobile-toggle{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(20,25,35,.12);
      background: rgba(255,255,255,.65);
      box-shadow:0 8px 20px rgba(15,23,42,.06);
      cursor:pointer;
      align-items:center; justify-content:center;
    }
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger i{
      position:absolute; left:0; right:0;
      height:2px; background: rgba(21,23,28,.75);
      border-radius:999px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger i:nth-child(1){top:0}
    .hamburger i:nth-child(2){top:5px}
    .hamburger i:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .hamburger i:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .hamburger i:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .hamburger i:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-drawer{
      display:none;
      padding:8px 0 14px;
    }
    .mobile-drawer .drawer-card{
      border-radius:18px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: var(--shadow);
      padding:12px;
    }
    .mobile-drawer .drawer-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-drawer .drawer-links a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-weight:650;
      font-size:14px;
    }
    .mobile-drawer .drawer-links a:hover{
      background: rgba(91,124,250,.08);
      color:#27324a;
      border-color: rgba(91,124,250,.20);
    }

    /* Hero */
    .hero{
      padding:28px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:18px;
      align-items:stretch;
    }

    .hero-card{
      border-radius:var(--radius2);
      background:
        radial-gradient(1000px 500px at 10% 0%, rgba(91,124,250,.24), transparent 50%),
        radial-gradient(800px 400px at 90% 10%, rgba(168,85,247,.22), transparent 50%),
        radial-gradient(900px 600px at 50% 110%, rgba(34,197,94,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(20,25,35,.10);
      box-shadow: var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height: 320px;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-40px;
      background:
        conic-gradient(from 180deg, rgba(91,124,250,.0), rgba(91,124,250,.22), rgba(168,85,247,.20), rgba(34,197,94,.14), rgba(6,182,212,.18), rgba(91,124,250,.0));
      opacity:.55;
      filter: blur(26px);
      transform: translate3d(0,0,0);
      pointer-events:none;
    }
    .hero-inner{
      position:relative; z-index:1;
      height:100%;
      display:flex; flex-direction:column;
      justify-content:space-between;
      gap:16px;
    }

    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.62);
      color: var(--muted);
      font-weight:700;
      font-size:12px;
    }
    .chip .dot{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 0 0 4px rgba(91,124,250,.15);
    }
    .chip.alt .dot{background:linear-gradient(135deg, var(--brand4), var(--brand3))}
    h1{
      margin:0;
      font-size:30px;
      letter-spacing:-.02em;
      line-height:1.15;
    }
    .hero-sub{
      color: var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 62ch;
      margin-top:6px;
    }

    .hero-cta{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-top:10px;
    }
    .small-meta{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:12px;
      color: var(--muted);
      font-size:12px;
    }
    .small-meta b{color:#1f2937}
    .meta-item{
      display:flex; align-items:center; gap:8px;
    }
    .meta-icon{
      width:26px; height:26px;
      border-radius:10px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,25,35,.10);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      flex:0 0 auto;
    }
    .meta-icon svg{width:15px; height:15px; opacity:.85}

    .hero-side{
      border-radius:var(--radius2);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.65);
      box-shadow: var(--shadow);
      padding:16px;
      display:flex; flex-direction:column; gap:12px;
      overflow:hidden;
      position:relative;
      min-height: 320px;
    }
    .hero-side::after{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(520px 280px at 20% 0%, rgba(91,124,250,.18), transparent 55%),
        radial-gradient(480px 260px at 80% 0%, rgba(168,85,247,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.55));
      pointer-events:none;
    }
    .hero-side > *{position:relative; z-index:1}

    .side-title{
      display:flex; align-items:center; justify-content:space-between;
      gap:12px;
    }
    .side-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.02em;
      color:#242b3a;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(91,124,250,.10);
      border:1px solid rgba(91,124,250,.20);
      color:#2441a6;
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .badge i{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 0 0 4px rgba(91,124,250,.13);
      display:inline-block;
    }

    .side-list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:2px;
    }
    .side-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background: rgba(255,255,255,.55);
      border:1px solid rgba(20,25,35,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .side-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(15,23,42,.10);
      border-color: rgba(91,124,250,.20);
    }
    .side-item .sicon{
      width:36px; height:36px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(91,124,250,.18), rgba(168,85,247,.14));
      border:1px solid rgba(91,124,250,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .side-item .sicon svg{width:18px; height:18px; opacity:.9}
    .side-item b{display:block; font-size:13px}
    .side-item span{display:block; margin-top:4px; color:var(--muted); font-size:12px; line-height:1.6}

    .hero-side .side-footer{
      margin-top:auto;
      border-top:1px dashed rgba(20,25,35,.12);
      padding-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .trust-row{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: var(--muted);
      font-size:12px;
    }
    .trust-row b{color:#1f2937}
    .sparkbar{
      height:10px; border-radius:999px;
      background: rgba(20,25,35,.08);
      overflow:hidden;
      border:1px solid rgba(20,25,35,.06);
    }
    .sparkbar > i{
      display:block; height:100%;
      width:72%;
      background: linear-gradient(90deg, rgba(91,124,250,.95), rgba(168,85,247,.85), rgba(34,197,94,.75));
      border-radius:999px;
      animation: fillSpark 1.2s ease both;
    }
    @keyframes fillSpark{
      from{width:10%; opacity:.7}
      to{width:72%; opacity:1}
    }

    /* Sections */
    main{padding:14px 0 56px}
    section{padding:18px 0}
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:12px;
      margin-bottom:12px;
    }
    .section-title h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.01em;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width: 62ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .grid-2{
      display:grid; grid-template-columns: repeat(2, 1fr);
      gap:12px;
    }

    .card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      border-radius: var(--radius);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      padding:14px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(15,23,42,.12);
      border-color: rgba(91,124,250,.20);
    }
    .card .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .card h3{
      margin:0;
      font-size:14px;
      letter-spacing:.01em;
    }
    .card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .pill{
      display:inline-flex; align-items:center; justify-content:center;
      font-size:12px;
      font-weight:850;
      border-radius:999px;
      padding:8px 10px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      white-space:nowrap;
    }
    .pill.grad{
      color:#23437f;
      border-color: rgba(91,124,250,.22);
      background: linear-gradient(135deg, rgba(91,124,250,.14), rgba(168,85,247,.10));
    }

    .metric{
      display:flex; flex-direction:column; gap:6px;
      padding:16px;
      min-height: 150px;
    }
    .metric .num{
      font-size:28px; font-weight:950; letter-spacing:-.02em;
      margin-top:2px;
    }
    .metric .label{
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .metric .hint{
      color:var(--muted2);
      font-size:12px;
      line-height:1.6;
      margin-top:auto;
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
    }
    .step .snum{
      width:42px; height:42px; border-radius:16px;
      background: linear-gradient(135deg, rgba(91,124,250,.16), rgba(168,85,247,.14));
      border:1px solid rgba(91,124,250,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#2441a6;
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .step .snum::after{
      content:"";
      position:absolute; inset:-20px;
      background: conic-gradient(from 120deg, rgba(91,124,250,.0), rgba(91,124,250,.28), rgba(168,85,247,.25), rgba(34,197,94,.18), rgba(6,182,212,.18), rgba(91,124,250,.0));
      opacity:.55;
      filter: blur(18px);
    }
    .step .snum b{position:relative; z-index:1}
    .step .scontent b{display:block; font-size:14px}
    .step .scontent span{display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.7}

    .compare{
      overflow:auto;
      border-radius: var(--radius2);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.65);
      box-shadow: var(--shadow);
    }
    table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      min-width: 860px;
    }
    thead th{
      position:sticky; top:0;
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));
      backdrop-filter: blur(10px);
      z-index:1;
      font-size:13px;
      text-align:left;
      padding:14px 14px;
      border-bottom:1px solid rgba(20,25,35,.10);
      color:#27324a;
    }
    tbody td{
      padding:14px 14px;
      border-bottom:1px solid rgba(20,25,35,.08);
      color: var(--muted);
      font-size:13px;
      vertical-align:top;
      line-height:1.6;
    }
    tbody tr:hover td{
      background: rgba(91,124,250,.06);
      color:#27324a;
    }
    .tag-yes{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:850; color:#0f766e;
    }
    .tag-no{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:850; color:#b91c1c;
    }
    .check, .x{
      width:18px; height:18px; border-radius:8px;
      display:inline-flex; align-items:center; justify-content:center;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.6);
      flex:0 0 auto;
    }
    .check{border-color: rgba(16,185,129,.25); background: rgba(16,185,129,.08)}
    .x{border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.08)}

    /* FAQ */
    .faq{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
      align-items:start;
    }
    .faq-item{
      border-radius: var(--radius);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    .faq-item:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,250,.20);
      box-shadow: 0 18px 42px rgba(15,23,42,.10);
    }
    .faq-btn{
      width:100%;
      text-align:left;
      padding:14px;
      cursor:pointer;
      background: transparent;
      border:0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      color: var(--text);
    }
    .faq-btn:focus{outline:2px solid var(--focus); outline-offset:-2px}
    .faq-q{
      font-size:14px;
      font-weight:900;
      line-height:1.5;
    }
    .chev{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .22s ease;
      margin-top:-2px;
    }
    .faq-item[data-open="true"] .chev{transform: rotate(180deg)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition: max-height .28s ease;
    }
    .faq-item[data-open="true"] .faq-a{max-height:240px}
    .faq-a .inner{
      padding:0 14px 14px 14px;
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    /* Reviews */
    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      position:relative;
      overflow:hidden;
    }
    .review::before{
      content:"";
      position:absolute; inset:-60px;
      background: radial-gradient(360px 240px at 20% 0%, rgba(91,124,250,.18), transparent 55%),
                  radial-gradient(340px 220px at 80% 10%, rgba(168,85,247,.14), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .review > *{position:relative; z-index:1}
    .stars{
      display:flex; align-items:center; gap:6px;
      color:#f59e0b;
      font-weight:900;
      font-size:12px;
    }
    .review h3{margin:10px 0 0; font-size:14px}
    .review .role{
      color:var(--muted2);
      font-size:12px;
      margin-top:6px;
      line-height:1.6;
    }
    .review .text{
      margin-top:12px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .review .meta{
      margin-top:14px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color:var(--muted2);
      font-size:12px;
      border-top:1px dashed rgba(20,25,35,.12);
      padding-top:12px;
    }
    .avatar{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(91,124,250,.22), rgba(168,85,247,.18));
      border:1px solid rgba(91,124,250,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#2441a6;
      flex:0 0 auto;
    }

    /* Cases & articles */
    .case-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .case{
      padding:16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      position:relative;
      overflow:hidden;
      display:flex; flex-direction:column; gap:10px;
    }
    .case .head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case h3{margin:0; font-size:15px}
    .case p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .case .bullets{
      margin:2px 0 0;
      padding:0; list-style:none;
      display:grid; gap:8px;
    }
    .case .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color: var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .case .bullets li .bico{
      width:22px; height:22px; border-radius:10px;
      background: rgba(91,124,250,.10);
      border:1px solid rgba(91,124,250,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .case .foot{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding-top:12px;
      border-top:1px dashed rgba(20,25,35,.12);
      color: var(--muted2);
      font-size:12px;
    }

    .list-card{
      padding:16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:12px;
    }
    .article{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,25,35,.08);
      background: rgba(255,255,255,.55);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,250,.20);
      background: rgba(91,124,250,.06);
    }
    .article b{font-size:13px}
    .article span{display:block; margin-top:6px; color:var(--muted); font-size:12px; line-height:1.6}
    .article a{
      flex:0 0 auto;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      font-weight:850;
      color:#27324a;
      font-size:12px;
      white-space:nowrap;
    }
    .article a:hover{border-color: rgba(91,124,250,.26); background: rgba(255,255,255,.75)}

    /* Request form */
    .form-wrap{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px; align-items:stretch;
    }
    .form-card{
      padding:16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      overflow:hidden;
      position:relative;
    }
    .form-card::after{
      content:"";
      position:absolute; inset:-60px;
      background: radial-gradient(520px 260px at 0% 0%, rgba(91,124,250,.18), transparent 55%),
                  radial-gradient(520px 260px at 100% 10%, rgba(168,85,247,.16), transparent 55%);
      opacity:.75;
      pointer-events:none;
    }
    .form-card > *{position:relative; z-index:1}
    form{
      display:flex; flex-direction:column; gap:10px;
      margin-top:12px;
    }
    label{
      font-size:12px;
      color:var(--muted);
      font-weight:800;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,25,35,.12);
      background: rgba(255,255,255,.65);
      color: var(--text);
      font-size:13px;
      transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color: rgba(91,124,250,.45);
      box-shadow: 0 0 0 4px rgba(91,124,250,.16);
      background: rgba(255,255,255,.82);
    }
    .form-actions{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-top:2px;
    }
    .note{
      color:var(--muted2);
      font-size:12px;
      line-height:1.6;
    }

    .aside-card{
      padding:16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
    }
    .aside-card h3{margin:0; font-size:14px}
    .aside-card .kv{
      margin-top:12px;
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .kv .k{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(20,25,35,.08);
      background: rgba(255,255,255,.55);
    }
    .kv .k b{display:block; font-size:13px}
    .kv .k span{display:block; margin-top:6px; color:var(--muted); font-size:12px; line-height:1.6}

    /* Timeline & network */
    .timeline{
      display:flex; flex-direction:column; gap:12px;
    }
    .titem{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,25,35,.10);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
    }
    .tpoint{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(34,197,94,.14), rgba(6,182,212,.12));
      border:1px solid rgba(34,197,94,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#0f766e;
      font-weight:950;
    }
    .titem b{display:block; font-size:14px}
    .titem span{display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.7}

    .network{
      display:grid; grid-template-columns: repeat(12, 1fr);
      gap:10px;
      align-items:stretch;
    }
    .net-node{
      grid-column: span 4;
      padding:14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .net-node:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,250,.20);
      box-shadow: 0 18px 42px rgba(15,23,42,.10);
    }
    .net-node::before{
      content:"";
      position:absolute; inset:-80px;
      background: radial-gradient(420px 240px at 20% 10%, rgba(91,124,250,.18), transparent 55%),
                  radial-gradient(420px 240px at 90% 0%, rgba(168,85,247,.14), transparent 55%);
      opacity:.8; pointer-events:none;
    }
    .net-node > *{position:relative; z-index:1}
    .net-node b{display:block; font-size:14px}
    .net-node span{display:block; margin-top:8px; color:var(--muted); font-size:13px; line-height:1.7}

    /* Tags */
    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .t-tag{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.62);
      color: var(--muted);
      font-weight:850;
      font-size:12px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .t-tag:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,250,.22);
      background: rgba(91,124,250,.08);
      color:#27324a;
    }

    /* Floating */
    .floatbar{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .floatbar .fb{
      pointer-events:auto;
      display:flex; align-items:center; gap:10px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,25,35,.12);
      background: rgba(255,255,255,.70);
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 42px rgba(0,0,0,.12);
      transition: transform .18s ease, opacity .18s ease;
    }
    .floatbar .fb:hover{transform: translateY(-2px)}
    .fb .icon{
      width:38px; height:38px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(91,124,250,.18), rgba(168,85,247,.16));
      border:1px solid rgba(91,124,250,.22);
    }
    .fb .icon svg{width:18px; height:18px; opacity:.9}
    .fb .txt{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .fb .txt b{font-size:13px}
    .fb .txt span{font-size:12px; color:var(--muted); margin-top:6px}
    .fb a{display:flex; align-items:center; gap:10px}
    .fb-primary{
      background: linear-gradient(135deg, rgba(91,124,250,.95), rgba(168,85,247,.85));
      border-color: rgba(91,124,250,.35);
      color:#fff;
    }
    .fb-primary .txt span{color: rgba(255,255,255,.85)}
    .fb-primary .icon{
      background: rgba(255,255,255,.16);
      border-color: rgba(255,255,255,.30);
    }
    .fb-primary .icon svg{opacity:1}

    .to-top{
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(20,25,35,.12);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 42px rgba(0,0,0,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      pointer-events:auto;
      transition: transform .18s ease;
    }
    .to-top:hover{transform: translateY(-2px)}
    .to-top svg{width:18px; height:18px; opacity:.85}

    /* Footer */
    footer{
      background: linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.55));
      border-top:1px solid rgba(20,25,35,.08);
      padding:22px 0 26px;
    }
    .footer-wrap{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      padding:16px;
    }
    .foot-card h3{margin:0; font-size:14px}
    .foot-card p{margin:10px 0 0; color:var(--muted); font-size:13px; line-height:1.75}
    .foot-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-weight:850;
      font-size:12px;
    }
    .foot-links a:hover{
      border-color: rgba(91,124,250,.22);
      background: rgba(91,124,250,.08);
      color:#27324a;
    }
    .friend-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.65);
      box-shadow: 0 12px 30px rgba(15,23,42,.06);
      padding:16px;
    }
    .friend-card h3{margin:0; font-size:14px}
    .friends{
      margin-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .friends a{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,25,35,.10);
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-weight:850;
      font-size:13px;
    }
    .friends a:hover{
      border-color: rgba(91,124,250,.22);
      background: rgba(91,124,250,.08);
      color:#27324a;
    }

    .copyright{
      margin-top:12px;
      color: var(--muted2);
      font-size:12px;
      display:flex; flex-wrap:wrap;
      gap:10px;
      align-items:center;
      justify-content:space-between;
    }
    .copyright b{color:#1f2937}

    /* Scroll reveal */
    [data-reveal]{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    [data-reveal].is-in{
      opacity:1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 980px){
      nav{display:none}
      .nav-actions{min-width:auto}
      .mobile-toggle{display:flex}
      .mobile-drawer{display:block}
      .hero-grid{grid-template-columns: 1fr}
      .hero-side{min-height:auto}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .faq{grid-template-columns: 1fr}
      .review-grid{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .form-wrap{grid-template-columns: 1fr}
      .network{grid-template-columns: repeat(6,1fr)}
      .net-node{grid-column: span 6}
      .footer-wrap{grid-template-columns: 1fr}
      .floatbar{right:10px; bottom:10px}
    }