:root{
      --bg0:#fbfbfe;
      --bg1:#f6f7ff;
      --card:#ffffff;
      --text:#0f172a;
      --muted:#52606f;
      --muted2:#6b7280;
      --line:rgba(15,23,42,.10);
      --shadow:0 12px 28px rgba(15,23,42,.10);
      --shadow2:0 10px 20px rgba(15,23,42,.08);
      --brand1:#6d28d9;
      --brand2:#2563eb;
      --brand3:#06b6d4;
      --brand4:#22c55e;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
    }
    *{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(1200px 600px at 8% 0%, rgba(109,40,217,.12), transparent 55%),
        radial-gradient(900px 500px at 70% 10%, rgba(37,99,235,.10), transparent 52%),
        radial-gradient(1000px 520px at 88% 22%, rgba(6,182,212,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 20px;
    }
    .skip{
      position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip:focus{
      left:16px;top:16px;width:auto;height:auto;background:#fff;padding:10px 12px;border:1px solid var(--line);
      border-radius:12px;z-index:9999;
    }
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(160%) blur(10px);
      background:rgba(251,251,254,.75);
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .nav-wrap{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;align-items:center;gap:10px;min-width:220px;
    }
    .brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;box-shadow:0 10px 20px rgba(109,40,217,.18)}
    .brand .name{
      display:flex;flex-direction:column;line-height:1.1
    }
    .brand .name strong{font-size:14px}
    .brand .name span{font-size:12px;color:var(--muted)}
    nav .menu{
      display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-link{
      font-size:13px;color:rgba(15,23,42,.78);text-decoration:none;
      padding:9px 10px;border-radius:12px;transition:transform .15s ease, background .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:rgba(37,99,235,.08);color:rgba(15,23,42,.95);transform:translateY(-1px)}
    .nav-right{
      display:flex;align-items:center;gap:10px;justify-content:flex-end;min-width:210px;
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.65);border-radius:999px;color:rgba(15,23,42,.8);font-size:13px;
      transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
      text-decoration:none;
    }
    .pill:hover{transform:translateY(-1px);box-shadow:0 10px 18px rgba(15,23,42,.08);background:#fff}
    .dot{
      width:10px;height:10px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .btn{
      cursor:pointer;border:none;border-radius:14px;padding:11px 14px;
      font-weight:650;font-size:14px;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
      display:inline-flex;align-items:center;gap:10px;text-decoration:none;justify-content:center;
      white-space:nowrap;
    }
    .btn:focus{outline:3px solid rgba(37,99,235,.25);outline-offset:2px}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      box-shadow:0 14px 30px rgba(37,99,235,.22);
    }
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(37,99,235,.28)}
    .btn-ghost{
      background:rgba(255,255,255,.72);
      color:rgba(15,23,42,.86);
      border:1px solid rgba(15,23,42,.10);
    }
    .btn-ghost:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,23,42,.10);background:#fff}
    .btn-soft{
      background:rgba(37,99,235,.10);
      color:rgba(37,99,235,.98);
      border:1px solid rgba(37,99,235,.18);
    }
    .hamburger{display:none}
    .mobile-menu{
      display:none;
    }
    .hero{
      position:relative;
      padding:48px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns: 1.15fr .85fr;gap:20px;align-items:stretch;
    }
    .hero-left{
      padding:26px 22px;
      border-radius:24px;
      border:1px solid rgba(15,23,42,.08);
      background:
        radial-gradient(900px 420px at 5% 10%, rgba(109,40,217,.18), transparent 55%),
        radial-gradient(700px 320px at 70% 20%, rgba(37,99,235,.16), transparent 55%),
        radial-gradient(620px 300px at 88% 10%, rgba(6,182,212,.14), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      overflow:hidden;
      min-height:330px;
    }
    .hero-left::before{
      content:"";
      position:absolute;inset:-2px;
      background:
        linear-gradient(90deg, rgba(109,40,217,.10), rgba(37,99,235,.12), rgba(6,182,212,.10));
      opacity:.55;
      pointer-events:none;
      mask: linear-gradient(#000, transparent 65%);
    }
    .kicker{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      position:relative;z-index:1;
    }
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(15,23,42,.10);
      color:rgba(15,23,42,.80);
      font-size:13px;
    }
    .badge svg{width:16px;height:16px}
    .badge2{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.22);
      color:rgba(21,128,61,.98);
      font-size:13px;
      font-weight:650;
    }
    .hero-left h1{
      position:relative;z-index:1;
      margin:14px 0 10px;
      font-size:34px;letter-spacing:-.6px;line-height:1.12;
    }
    .hero-sub{
      position:relative;z-index:1;
      margin:0 0 18px;
      color:rgba(15,23,42,.76);
      font-size:15px;line-height:1.7;
      max-width:62ch;
    }
    .hero-cta{
      position:relative;z-index:1;
      display:flex;align-items:center;gap:12px;flex-wrap:wrap;
      margin-bottom:18px;
    }
    .hero-meta{
      position:relative;z-index:1;
      display:flex;gap:10px;flex-wrap:wrap;
      margin-top:6px;
    }
    .meta-chip{
      flex:0 0 auto;
      padding:10px 12px;border-radius:16px;
      background:rgba(255,255,255,.66);
      border:1px solid rgba(15,23,42,.10);
      min-width:150px;
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .meta-chip:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(15,23,42,.10)}
    .meta-chip strong{display:block;font-size:14px}
    .meta-chip span{display:block;margin-top:3px;font-size:12.5px;color:var(--muted)}
    .hero-right{
      display:flex;flex-direction:column;gap:14px;
    }
    .side-card{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
      border-radius:24px;
      box-shadow: var(--shadow2);
      padding:16px;
      overflow:hidden;
      position:relative;
      min-height:160px;
    }
    .side-card::after{
      content:"";
      position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
      background:conic-gradient(from 180deg, rgba(109,40,217,.22), rgba(37,99,235,.18), rgba(6,182,212,.18), rgba(34,197,94,.14));
      filter: blur(10px);
      opacity:.9;
      pointer-events:none;
    }
    .side-card h3{
      margin:0 0 8px;font-size:15px;letter-spacing:-.2px;position:relative;z-index:1
    }
    .side-list{
      margin:0; padding:0;
      list-style:none;position:relative;z-index:1;
      display:grid;grid-template-columns:1fr;gap:10px;
    }
    .side-item{
      display:flex;align-items:flex-start;gap:10px;
      padding:10px 10px;border-radius:16px;
      background:rgba(255,255,255,.55);
      border:1px solid rgba(15,23,42,.06);
      transition:transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .side-item:hover{transform:translateY(-2px);background:#fff;border-color:rgba(37,99,235,.20)}
    .spark{
      width:34px;height:34px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14), rgba(6,182,212,.12));
      border:1px solid rgba(37,99,235,.18);
      flex:0 0 auto;
    }
    .side-item strong{font-size:13.5px}
    .side-item span{display:block;margin-top:3px;color:var(--muted);font-size:12.5px;line-height:1.5}
    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;font-size:22px;letter-spacing:-.3px
    }
    .section-head p{
      margin:0;color:var(--muted);font-size:14px;line-height:1.7;max-width:62ch
    }
    .grid3{
      display:grid;grid-template-columns:repeat(3, 1fr);gap:14px;
    }
    .grid4{
      display:grid;grid-template-columns:repeat(4, 1fr);gap:14px;
    }
    .card{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.08);
      border-radius:var(--radius);
      padding:16px;
      box-shadow:0 10px 22px rgba(15,23,42,.06);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 34px rgba(15,23,42,.10);
      border-color:rgba(37,99,235,.18);
    }
    .card h3{margin:10px 0 6px;font-size:15.5px;letter-spacing:-.2px}
    .card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
    .icon{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14), rgba(6,182,212,.12));
      border:1px solid rgba(37,99,235,.18);
    }
    .icon svg{width:20px;height:20px}
    .metrics{
      display:grid;grid-template-columns: repeat(4, 1fr);gap:12px;
    }
    .metric{
      padding:14px;border-radius:18px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(15,23,42,.08);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .metric:hover{transform:translateY(-2px);box-shadow:0 16px 26px rgba(15,23,42,.08)}
    .metric strong{display:block;font-size:18px;letter-spacing:-.3px}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:12.8px;line-height:1.5}
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start;
    }
    .steps{
      display:grid;gap:12px;
    }
    .step{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(15,23,42,.08);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .step:hover{transform:translateY(-2px);box-shadow:0 16px 26px rgba(15,23,42,.08)}
    .step-num{
      width:38px;height:38px;border-radius:16px;
      display:grid;place-items:center;
      font-weight:800;color:#fff;
      background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      box-shadow:0 12px 22px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .step h3{margin:0;font-size:15px}
    .step p{margin:6px 0 0;color:var(--muted);font-size:13.3px;line-height:1.7}
    .compare-wrap{
      padding:14px;border-radius:22px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
      box-shadow:0 10px 22px rgba(15,23,42,.06);
    }
    .table-scroll{overflow-x:auto}
    table{
      width:100%;border-collapse:separate;border-spacing:0;min-width:760px;
      font-size:14px;
    }
    thead th{
      text-align:left;padding:12px 12px;color:rgba(15,23,42,.92);
      background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(37,99,235,.10), rgba(6,182,212,.10));
      border-bottom:1px solid rgba(15,23,42,.10);
      position:sticky;top:0;z-index:1;
    }
    tbody td{
      padding:12px 12px;border-bottom:1px solid rgba(15,23,42,.08);
      color:rgba(15,23,42,.82);
      vertical-align:top;
    }
    tbody tr:hover td{background:rgba(37,99,235,.04)}
    .mark{
      display:inline-flex;align-items:center;gap:8px;font-weight:700;
      padding:8px 10px;border-radius:999px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      white-space:nowrap;
    }
    .mark .check{
      width:18px;height:18px;border-radius:8px;
      display:grid;place-items:center;background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.24);
      color:rgba(21,128,61,.98);
      font-weight:900;font-size:12px;
    }
    .star-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
    .stars{
      display:inline-flex;gap:4px;align-items:center;
      padding:8px 10px;border-radius:999px;border:1px solid rgba(245,158,11,.28);
      background:rgba(245,158,11,.10);
    }
    .star{
      width:18px;height:18px;
      background:conic-gradient(from 180deg, #f59e0b, #fbbf24);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow:0 10px 18px rgba(245,158,11,.22);
      display:inline-block;
    }
    .score{
      font-weight:900;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
    }
    .timeline{
      display:grid;gap:12px;
    }
    .time-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;background:rgba(255,255,255,.70);
      border:1px solid rgba(15,23,42,.08);
    }
    .time-dot{
      width:14px;height:14px;border-radius:7px;margin-top:6px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      box-shadow:0 0 0 6px rgba(37,99,235,.12);
      flex:0 0 auto;
    }
    .time-item strong{display:block;font-size:14.5px}
    .time-item span{display:block;margin-top:6px;color:var(--muted);font-size:13.3px;line-height:1.7}
    .tag-cloud{
      display:flex;flex-wrap:wrap;gap:10px;
    }
    .tag{
      padding:9px 12px;border-radius:999px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.68);color:rgba(15,23,42,.82);
      font-size:13px;transition:transform .18s ease, background .18s ease;
    }
    .tag:hover{transform:translateY(-2px);background:#fff}
    .review-grid{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
    }
    .review{
      padding:16px;border-radius:20px;background:rgba(255,255,255,.76);
      border:1px solid rgba(15,23,42,.08);
      transition:transform .2s ease, box-shadow .2s ease;
      position:relative;
      overflow:hidden;
    }
    .review:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(15,23,42,.10)}
    .review::before{
      content:"";
      position:absolute;inset:-1px;
      background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(37,99,235,.08), rgba(6,182,212,.08));
      opacity:.55;
      pointer-events:none;
      mask: linear-gradient(#000, transparent 70%);
    }
    .review-top{position:relative;z-index:1;display:flex;align-items:flex-start;gap:12px}
    .avatar{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14), rgba(6,182,212,.12));
      border:1px solid rgba(37,99,235,.18);
      display:grid;place-items:center;font-weight:900;color:rgba(15,23,42,.8);
      flex:0 0 auto;
    }
    .review h3{margin:0;font-size:14.5px}
    .review .role{margin-top:4px;color:var(--muted);font-size:12.8px}
    .review p{position:relative;z-index:1;margin:12px 0 0;color:rgba(15,23,42,.78);font-size:13.4px;line-height:1.75}
    .list-2{
      display:grid;gap:12px;
    }
    .list-card{
      padding:14px;border-radius:20px;background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
      transition:transform .2s ease, box-shadow .2s ease;
      position:relative;
    }
    .list-card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(15,23,42,.10)}
    .list-card h3{margin:0 0 6px;font-size:15px}
    .list-card p{margin:0;color:var(--muted);font-size:13.4px;line-height:1.7}
    .inline{
      display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px;
    }
    .mini-btn{
      padding:10px 12px;border-radius:14px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.76);font-size:13.5px;font-weight:700;text-decoration:none;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .mini-btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(15,23,42,.10);background:#fff}
    .mini-btn.primary{
      color:#fff;background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      border:none;box-shadow:0 14px 30px rgba(37,99,235,.22);
    }
    .accordion{
      border-radius:22px;background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
      overflow:hidden;
      box-shadow:0 10px 22px rgba(15,23,42,.06);
    }
    .acc-item{
      border-top:1px solid rgba(15,23,42,.08);
      background:#fff0;
    }
    .acc-item:first-child{border-top:none}
    .acc-btn{
      width:100%;
      text-align:left;
      padding:14px 14px;
      background:transparent;
      border:none;
      cursor:pointer;
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      font-size:14.5px;font-weight:800;color:rgba(15,23,42,.92);
    }
    .acc-btn:focus{outline:3px solid rgba(37,99,235,.25);outline-offset:-3px}
    .acc-btn span{
      display:flex;align-items:center;gap:10px;
    }
    .q-mark{
      width:26px;height:26px;border-radius:12px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14), rgba(6,182,212,.12));
      border:1px solid rgba(37,99,235,.18);
      flex:0 0 auto;
      color:rgba(15,23,42,.8);
      font-size:13px;
    }
    .acc-icon{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      display:grid;place-items:center;
      transition:transform .2s ease, background .2s ease;
      flex:0 0 auto;
    }
    .acc-item[aria-expanded="true"] .acc-icon{transform:rotate(180deg);background:rgba(37,99,235,.10)}
    .acc-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .3s ease;
    }
    .acc-inner{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.8px;line-height:1.75;
    }
    .acc-item[aria-expanded="true"] .acc-panel{max-height:420px}
    .articles{
      display:grid;grid-template-columns: 1.1fr .9fr;gap:14px;align-items:start;
    }
    .article-card{
      padding:16px;border-radius:22px;background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);box-shadow:0 10px 22px rgba(15,23,42,.06);
    }
    .article-card h3{margin:0 0 10px;font-size:15.5px}
    .article-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .article{
      padding:12px;border-radius:18px;background:rgba(255,255,255,.75);
      border:1px solid rgba(15,23,42,.08);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(15,23,42,.10);border-color:rgba(37,99,235,.18)}
    .article a{
      text-decoration:none;display:block;
      color:rgba(15,23,42,.92)
    }
    .article a strong{display:block;font-size:14.2px;margin-bottom:6px}
    .article a span{display:block;color:var(--muted);font-size:12.8px;line-height:1.55}
    .article-side{
      padding:16px;border-radius:22px;background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);
    }
    .kpi-grid{
      display:grid;grid-template-columns:1fr;gap:10px;
    }
    .kpi{
      padding:12px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(15,23,42,.08);
      display:flex;gap:12px;align-items:flex-start;
    }
    .kpi strong{display:block;font-size:14.5px}
    .kpi span{display:block;margin-top:6px;color:var(--muted);font-size:12.8px;line-height:1.55}
    .kpi .kpi-icon{
      width:38px;height:38px;border-radius:16px;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(37,99,235,.14), rgba(6,182,212,.12));
      border:1px solid rgba(37,99,235,.18);
      display:grid;place-items:center;
      flex:0 0 auto;
    }
    .kpi .kpi-icon svg{width:18px;height:18px}
    form{
      margin:0;
    }
    .form-card{
      padding:16px;border-radius:24px;background:rgba(255,255,255,.72);
      border:1px solid rgba(15,23,42,.08);box-shadow:0 10px 22px rgba(15,23,42,.06);
      overflow:hidden;
      position:relative;
    }
    .form-card::before{
      content:"";
      position:absolute;inset:-2px;
      background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(37,99,235,.08), rgba(6,182,212,.08));
      pointer-events:none;
      opacity:.6;
      mask: linear-gradient(#000, transparent 70%);
    }
    .form-inner{position:relative;z-index:1}
    .form-row{
      display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;
    }
    label{
      display:flex;flex-direction:column;gap:8px;
      font-size:13.5px;color:rgba(15,23,42,.86);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.88);
      color:var(--text);
      font-size:14px;
      transition:border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    textarea{min-height:108px;resize:vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color:rgba(37,99,235,.38);
      box-shadow:0 0 0 4px rgba(37,99,235,.14);
    }
    .form-actions{
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      margin-top:10px;
    }
    .hint{
      color:var(--muted);font-size:12.8px;line-height:1.6;max-width:60ch;
    }
    .toast{
      position:fixed;left:50%;transform:translateX(-50%);
      bottom:18px;z-index:1000;
      background:rgba(15,23,42,.92);color:#fff;
      padding:12px 14px;border-radius:14px;box-shadow:0 18px 34px rgba(15,23,42,.20);
      opacity:0;pointer-events:none;transition:opacity .2s ease, transform .2s ease;
      max-width:min(520px, calc(100% - 28px));
    }
    .toast.show{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(-4px)}
    footer{
      margin-top:18px;
      background:linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.68));
      border-top:1px solid rgba(15,23,42,.10);
    }
    .footer-inner{padding:22px 0 16px}
    .footer-top{
      display:grid;grid-template-columns:1.2fr .8fr;gap:14px;align-items:start;
    }
    .foot-brand{
      display:flex;gap:12px;align-items:flex-start;
    }
    .foot-brand img{width:46px;height:46px;border-radius:16px;object-fit:cover}
    .foot-brand strong{display:block;font-size:15px}
    .foot-brand span{display:block;margin-top:6px;color:var(--muted);font-size:13.5px;line-height:1.7}
    .footer-links{
      display:flex;flex-direction:column;gap:10px;align-items:flex-end;
    }
    .links-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a{
      text-decoration:none;
      padding:10px 12px;border-radius:14px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      color:rgba(15,23,42,.86);
      font-size:13.5px;font-weight:700;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .footer-links a:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(15,23,42,.10);background:#fff}
    .footer-bottom{
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      padding-top:14px;border-top:1px solid rgba(15,23,42,.08);margin-top:14px;
      color:var(--muted);
      font-size:12.8px;
    }
    .backtop{
      position:fixed;right:16px;bottom:86px;z-index:60;
      width:44px;height:44px;border-radius:16px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(15,23,42,.10);
      box-shadow:0 14px 30px rgba(15,23,42,.12);
      display:grid;place-items:center;
      cursor:pointer;opacity:0;pointer-events:none;
      transform:translateY(8px);transition:opacity .2s ease, transform .2s ease, background .2s ease;
    }
    .backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .backtop:hover{background:#fff}
    .float-chat{
      position:fixed;right:16px;bottom:28px;z-index:80;
      display:flex;flex-direction:column;gap:10px;align-items:flex-end;
    }
    .chat-panel{
      width:210px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(15,23,42,.10);
      border-radius:20px;
      box-shadow:0 18px 34px rgba(15,23,42,.14);
      overflow:hidden;
      transform-origin: right bottom;
      transform:scale(.98);
      opacity:0;pointer-events:none;
      transition:opacity .2s ease, transform .2s ease;
    }
    .chat-panel.show{
      opacity:1;pointer-events:auto;transform:scale(1);
    }
    .chat-head{
      padding:12px 12px;border-bottom:1px solid rgba(15,23,42,.08);
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      background:linear-gradient(135deg, rgba(109,40,217,.10), rgba(37,99,235,.08), rgba(6,182,212,.08));
    }
    .chat-head strong{font-size:13.5px}
    .chat-close{
      width:34px;height:34px;border-radius:14px;border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.7);cursor:pointer;
      display:grid;place-items:center;
    }
    .chat-body{padding:12px}
    .chat-body img{width:100%;height:auto;border-radius:16px;border:1px solid rgba(15,23,42,.08)}
    .chat-body .tip{margin-top:10px;color:var(--muted);font-size:12.6px;line-height:1.6}
    .chat-btn{
      width:54px;height:54px;border-radius:20px;
      background:linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
      border:none;color:#fff;font-weight:900;
      box-shadow:0 18px 34px rgba(37,99,235,.26);
      cursor:pointer;
      display:grid;place-items:center;
      transition:transform .15s ease, box-shadow .15s ease;
    }
    .chat-btn:hover{transform:translateY(-2px);box-shadow:0 22px 40px rgba(37,99,235,.32)}
    .fade-in{
      opacity:0;transform:translateY(10px);
      transition:opacity .5s ease, transform .5s ease;
    }
    .fade-in.in-view{opacity:1;transform:translateY(0)}
    .sr-only{
      position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;
    }
    .section-anchor{
      scroll-margin-top:88px;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr;gap:14px}
      .hero-left{min-height:auto}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .grid3{grid-template-columns:1fr}
      .grid4{grid-template-columns:1fr 1fr}
      .split{grid-template-columns:1fr}
      .review-grid{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr}
      .footer-links{align-items:flex-start}
      .links-row{justify-content:flex-start}
      nav .menu{display:none}
      .hamburger{
        display:inline-flex;align-items:center;justify-content:center;gap:10px;
        padding:10px 12px;border-radius:14px;border:1px solid rgba(15,23,42,.10);
        background:rgba(255,255,255,.72);
      }
      .hamburger button{all:unset;cursor:pointer}
      .mobile-menu{
        display:block;
        border-top:1px solid rgba(15,23,42,.08);
        padding:10px 0 16px;
      }
      .mobile-links{display:grid;gap:8px}
      .mobile-links a{
        text-decoration:none;
        padding:12px 12px;border-radius:14px;border:1px solid rgba(15,23,42,.10);
        background:rgba(255,255,255,.72);font-weight:800;font-size:14px;
      }
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none;opacity:1;transform:none}
      .acc-panel{transition:none}
    }