:root{
      --bg0:#ffffff;
      --bg1:#f7f8ff;
      --bg2:#fff6e9;
      --text:#0f172a;
      --muted:#4b5563;
      --sub:#64748b;
      --line:rgba(15,23,42,.10);
      --card:rgba(255,255,255,.75);
      --card2:#ffffff;
      --shadow:0 10px 30px rgba(2,6,23,.08);
      --shadow2:0 14px 36px rgba(2,6,23,.10);
      --radius:18px;
      --radius2:24px;
      --brand1:#6d28d9;
      --brand2:#2563eb;
      --brand3:#06b6d4;
      --brand4:#f97316;
      --brand5:#22c55e;
      --grad:linear-gradient(110deg,#6d28d9 0%,#2563eb 45%,#06b6d4 72%,#f97316 100%);
      --grad2:linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.12), rgba(6,182,212,.10));
      --grad3:linear-gradient(120deg, rgba(249,115,22,.18), rgba(6,182,212,.14), rgba(37,99,235,.10));
      --btn:#0f172a;
      --btnText:#ffffff;
      --focus:rgba(37,99,235,.25);
      --chip:#eef2ff;
      --chip2:#fef3c7;
      --good:#16a34a;
      --warn:#f59e0b;
      --bad:#ef4444;
      --k:1200px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 8% -10%, rgba(109,40,217,.10), transparent 60%),
        radial-gradient(750px 420px at 92% 0%, rgba(37,99,235,.12), transparent 55%),
        radial-gradient(900px 520px at 60% 18%, rgba(6,182,212,.10), transparent 60%),
        radial-gradient(900px 520px at 40% 100%, rgba(249,115,22,.08), transparent 58%),
        linear-gradient(#ffffff, #fbfbff 60%, #fffaf1 110%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--k);
      margin:0 auto;
      padding:0 18px;
    }
    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:14px; top:14px; width:auto; height:auto; z-index:9999;
      background:#fff; padding:10px 12px; border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow);
    }
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background:rgba(255,255,255,.65);
      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:12px; min-width:200px;
    }
    .brand img{
      width:42px; height:42px; object-fit:contain;
      border-radius:12px;
      background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(37,99,235,.10));
      padding:6px;
      box-shadow:0 8px 16px rgba(2,6,23,.06);
    }
    .brand .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand .name{
      font-weight:860; letter-spacing:.2px;
      font-size:15px;
    }
    .brand .meta{
      font-size:12px; color:var(--sub);
      white-space:nowrap;
    }
    nav .links{
      display:flex; align-items:center; gap:14px;
    }
    nav a.link{
      font-size:13px; color:rgba(15,23,42,.78);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      will-change:transform;
    }
    nav a.link:hover{
      background:rgba(37,99,235,.08);
      border-color:rgba(37,99,235,.14);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
      min-width:220px; justify-content:flex-end;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.7);
      color:var(--text);
      font-weight:760;
      font-size:13px;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      box-shadow:0 8px 18px rgba(2,6,23,.06);
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{ transform: translateY(-1px); box-shadow:0 14px 26px rgba(2,6,23,.10); border-color:rgba(37,99,235,.25); }
    .btn-primary{
      border:1px solid rgba(2,6,23,.10);
      background:var(--grad);
      color:#fff;
      box-shadow:0 16px 34px rgba(109,40,217,.22), 0 10px 24px rgba(37,99,235,.18);
    }
    .btn-primary:hover{
      box-shadow:0 22px 44px rgba(109,40,217,.26), 0 16px 32px rgba(37,99,235,.22);
      transform: translateY(-2px);
    }
    .btn-ghost{
      background:rgba(255,255,255,.75);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .menu-btn{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.75);
      box-shadow:0 8px 18px rgba(2,6,23,.06);
      cursor:pointer;
      align-items:center; justify-content:center;
    }
    .menu-btn:focus{ outline:3px solid var(--focus); outline-offset:2px; }
    .menu-icon{
      width:18px; height:12px; position:relative;
    }
    .menu-icon span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background:rgba(15,23,42,.78);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .menu-icon span:nth-child(1){ top:0; }
    .menu-icon span:nth-child(2){ top:5px; }
    .menu-icon span:nth-child(3){ top:10px; }
    .menu-open .menu-icon span:nth-child(1){ top:5px; transform:rotate(45deg); }
    .menu-open .menu-icon span:nth-child(2){ opacity:0; }
    .menu-open .menu-icon span:nth-child(3){ top:5px; transform:rotate(-45deg); }
    .mobile-panel{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-panel .panel-inner{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.82);
      border-radius:18px;
      box-shadow:var(--shadow);
      padding:12px;
    }
    .mobile-panel .panel-links{
      display:grid; gap:8px;
    }
    .mobile-panel a{
      padding:12px 12px; border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(37,99,235,.04);
      font-weight:720; font-size:13px;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
    }
    .mobile-panel a:hover{
      transform: translateY(-1px);
      border-color: rgba(37,99,235,.22);
      background: rgba(37,99,235,.08);
    }

    main{ padding:20px 0 40px; }
    .hero{
      padding:26px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(900px 360px at 0% 0%, rgba(109,40,217,.20), transparent 55%),
        radial-gradient(760px 360px at 100% 10%, rgba(37,99,235,.18), transparent 50%),
        radial-gradient(700px 360px at 60% 90%, rgba(6,182,212,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      border-radius: var(--radius2);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
      padding:22px;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background: var(--grad2);
      opacity:.9;
      mask-image: radial-gradient(closest-side at 10% 0%, #000 0%, transparent 65%);
      pointer-events:none;
    }
    .hero-card .topline{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
      position:relative;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.18);
      background:rgba(255,255,255,.7);
      box-shadow:0 10px 20px rgba(2,6,23,.06);
      font-weight:770; font-size:12px; color:rgba(15,23,42,.82);
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--grad);
      box-shadow:0 0 0 6px rgba(37,99,235,.12);
    }
    .hero-title{
      margin:14px 0 10px;
      font-size:34px;
      letter-spacing:-.8px;
      line-height:1.12;
      font-weight:930;
      position:relative;
    }
    .hero-sub{
      color: rgba(15,23,42,.78);
      font-size:14px;
      line-height:1.8;
      margin:0;
      max-width:62ch;
      position:relative;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px;
      margin-top:16px;
      position:relative;
    }
    .hero-actions .btn{
      padding:12px 16px;
      font-size:14px;
    }
    .hero-actions .fine{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.65);
      color:rgba(15,23,42,.78);
      box-shadow:0 10px 20px rgba(2,6,23,.06);
    }
    .fine b{ font-weight:900; color:var(--text); }
    .fine .spark{
      width:22px; height:22px; border-radius:10px;
      background:var(--grad3);
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(37,99,235,.16);
      color:rgba(15,23,42,.85);
      flex:0 0 auto;
      font-weight:920;
    }
    .hero-badges{
      margin-top:16px;
      display:flex; flex-wrap:wrap; gap:10px;
      position:relative;
    }
    .chip{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.62);
      color:rgba(15,23,42,.82);
      font-size:12px;
      font-weight:760;
      display:inline-flex; align-items:center; gap:8px;
    }
    .chip i{
      width:8px; height:8px; border-radius:2px;
      background:rgba(37,99,235,.55);
      box-shadow:0 0 0 5px rgba(37,99,235,.12);
      display:inline-block;
    }

    .side-stack{
      display:grid;
      grid-template-rows: auto 1fr;
      gap:18px;
    }
    .side-card{
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius2);
      background:rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .side-card::after{
      content:"";
      position:absolute; right:-40px; top:-40px;
      width:130px; height:130px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.35), transparent 60%);
      transform: rotate(20deg);
      pointer-events:none;
    }
    .side-card h3{
      margin:0 0 10px;
      font-size:14px; letter-spacing:.2px;
    }
    .side-list{
      display:grid; gap:10px;
    }
    .side-item{
      display:flex; align-items:flex-start; gap:10px;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(37,99,235,.04);
      transition: transform .18s ease, border-color .2s ease, background .2s ease;
    }
    .side-item:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.20);
      background: rgba(37,99,235,.07);
    }
    .badge{
      width:26px; height:26px; border-radius:10px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(37,99,235,.18);
      background: rgba(255,255,255,.7);
      box-shadow:0 10px 16px rgba(2,6,23,.06);
      flex:0 0 auto;
    }
    .badge svg{ width:16px; height:16px; }
    .side-item b{ font-size:13px; display:block; margin-top:1px; }
    .side-item span{ font-size:12px; color:rgba(15,23,42,.70); line-height:1.6; display:block; }

    .kpi-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap:12px;
    }
    .kpi{
      border:1px solid rgba(15,23,42,.10);
      border-radius: 18px;
      background:rgba(255,255,255,.78);
      padding:14px 14px;
      box-shadow:0 10px 22px rgba(2,6,23,.06);
      transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .kpi:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
      box-shadow:0 18px 34px rgba(2,6,23,.10);
    }
    .kpi .kpi-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .kpi .label{
      font-size:12px; color:rgba(15,23,42,.70); font-weight:780;
    }
    .kpi .value{
      margin-top:8px;
      font-size:22px;
      font-weight:930;
      letter-spacing:-.4px;
    }
    .kpi .hint{
      margin-top:6px;
      font-size:12px; color:rgba(15,23,42,.68);
      line-height:1.5;
    }
    .kpi .mini{
      width:30px; height:30px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.55));
    }
    .kpi .mini i{
      width:12px; height:12px; border-radius:4px;
      background: var(--grad);
      box-shadow:0 0 0 6px rgba(37,99,235,.12);
      display:inline-block;
    }

    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.35px;
      font-weight:920;
    }
    .section-head p{
      margin:0;
      color:rgba(15,23,42,.72);
      font-size:13px;
      line-height:1.7;
      max-width:60ch;
    }
    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .card{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.76);
      border-radius: var(--radius);
      padding:16px;
      box-shadow:0 12px 26px rgba(2,6,23,.06);
      transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
      box-shadow:0 18px 34px rgba(2,6,23,.10);
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.1px;
      font-weight:900;
    }
    .card p{
      margin:0;
      color:rgba(15,23,42,.72);
      font-size:13px;
      line-height:1.8;
    }
    .card .cap{
      display:flex; align-items:center; gap:10px; margin-bottom:10px;
    }
    .cap .mark{
      width:36px; height:36px; border-radius:16px;
      background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.10), rgba(6,182,212,.10));
      border:1px solid rgba(37,99,235,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 12px 20px rgba(2,6,23,.06);
      flex:0 0 auto;
    }
    .cap .mark svg{ width:18px; height:18px; }
    .cap .meta{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .cap .meta b{ font-weight:920; font-size:13px; }
    .cap .meta span{ font-size:12px; color:rgba(15,23,42,.66); }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap:12px;
    }
    .step{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      border-radius: 18px;
      padding:16px 14px;
      box-shadow:0 10px 22px rgba(2,6,23,.06);
      transition: transform .18s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute; left:-50px; top:-50px;
      width:110px; height:110px;
      background: radial-gradient(circle at 30% 30%, rgba(109,40,217,.16), transparent 60%);
      pointer-events:none;
    }
    .step .num{
      width:38px; height:38px; border-radius:16px;
      background: rgba(37,99,235,.08);
      border:1px solid rgba(37,99,235,.16);
      display:flex; align-items:center; justify-content:center;
      font-weight:940;
      box-shadow:0 12px 20px rgba(2,6,23,.06);
      margin-bottom:10px;
      position:relative;
    }
    .step h3{
      margin:0 0 7px;
      font-size:14px; font-weight:920; position:relative;
    }
    .step p{
      margin:0;
      color:rgba(15,23,42,.72);
      font-size:12.8px;
      line-height:1.7;
      position:relative;
    }

    .table-wrap{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.78);
      border-radius: var(--radius);
      overflow:hidden;
      box-shadow:0 14px 28px rgba(2,6,23,.07);
    }
    .table-scroll{ overflow:auto; }
    table{
      width:100%;
      border-collapse:collapse;
      min-width:820px;
    }
    thead th{
      text-align:left;
      padding:14px 14px;
      font-size:13px;
      color:rgba(15,23,42,.82);
      background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(255,255,255,.70));
      border-bottom:1px solid rgba(15,23,42,.10);
      font-weight:900;
    }
    tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(15,23,42,.08);
      color:rgba(15,23,42,.72);
      font-size:13px;
      vertical-align:top;
      line-height:1.6;
    }
    tbody tr:hover td{
      background:rgba(37,99,235,.04);
    }
    .tag{
      display:inline-flex; align-items:center; gap:6px;
      padding:6px 9px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.70);
      font-weight:820;
      font-size:12px;
      color:rgba(15,23,42,.80);
      margin-right:8px; margin-bottom:8px;
      white-space:nowrap;
    }
    .tag.good{ border-color: rgba(22,163,74,.20); background: rgba(22,163,74,.08); }
    .tag.warn{ border-color: rgba(245,158,11,.20); background: rgba(245,158,11,.08); }
    .tag.info{ border-color: rgba(37,99,235,.20); background: rgba(37,99,235,.08); }

    .compare-card{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .rating{
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(500px 280px at 0% 0%, rgba(109,40,217,.16), transparent 55%),
        radial-gradient(480px 260px at 100% 20%, rgba(37,99,235,.14), transparent 55%),
        rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:16px;
      box-shadow:0 16px 32px rgba(2,6,23,.08);
      overflow:hidden;
      position:relative;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
      margin-top:8px;
    }
    .star{
      width:20px; height:20px;
      display:inline-block;
      background: var(--grad);
      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(109,40,217,.18);
    }
    .rating .score{
      margin-top:10px;
      display:flex; align-items:baseline; gap:10px;
    }
    .rating .score b{ font-size:34px; font-weight:980; letter-spacing:-1px; }
    .rating .score span{ color:rgba(15,23,42,.72); font-size:13px; font-weight:850; }
    .rating .bullets{
      margin-top:12px;
      display:grid; gap:8px;
    }
    .bullet{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.65);
    }
    .bullet .check{
      width:22px; height:22px; border-radius:10px;
      background:rgba(22,163,74,.10);
      border:1px solid rgba(22,163,74,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .bullet .check svg{ width:14px; height:14px; color:var(--good); }
    .bullet b{ font-size:13px; }
    .bullet span{ display:block; color:rgba(15,23,42,.70); font-size:12.6px; margin-top:2px; line-height:1.6; }

    .comments .grid-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .comment{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:16px;
      box-shadow:0 12px 26px rgba(2,6,23,.06);
      transition: transform .18s ease, border-color .2s ease, box-shadow .2s ease;
      overflow:hidden;
      position:relative;
    }
    .comment:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.22); box-shadow:0 18px 34px rgba(2,6,23,.10); }
    .comment .who{
      display:flex; align-items:center; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px; border-radius:18px;
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(37,99,235,.12), rgba(6,182,212,.10));
      border:1px solid rgba(37,99,235,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 24px rgba(2,6,23,.08);
      font-weight:950;
      color:rgba(15,23,42,.85);
    }
    .who b{ font-size:13px; font-weight:920; display:block; }
    .who span{ font-size:12px; color:rgba(15,23,42,.70); display:block; margin-top:2px; }
    .quote{
      color:rgba(15,23,42,.76);
      font-size:13px;
      line-height:1.8;
      margin:0;
    }
    .quote::before{
      content:"“";
      font-size:22px; margin-right:6px; color:rgba(37,99,235,.55); font-weight:920;
    }

    .timeline{
      display:grid;
      gap:12px;
    }
    .titem{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:14px;
      box-shadow:0 12px 26px rgba(2,6,23,.06);
      display:flex; gap:12px; align-items:flex-start;
      transition: transform .18s ease, border-color .2s ease;
    }
    .titem:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.22); }
    .ticon{
      width:40px; height:40px; border-radius:18px;
      background:rgba(37,99,235,.08);
      border:1px solid rgba(37,99,235,.16);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .ticon svg{ width:18px; height:18px; }
    .tcontent b{ display:block; font-size:13px; font-weight:920; }
    .tcontent span{ display:block; margin-top:4px; color:rgba(15,23,42,.72); font-size:13px; line-height:1.7; }

    .faq{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    details.faq-item{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      box-shadow:0 12px 26px rgba(2,6,23,.06);
      padding:12px 14px;
      transition: border-color .2s ease, transform .18s ease;
      overflow:hidden;
    }
    details.faq-item:hover{ border-color: rgba(37,99,235,.22); transform: translateY(-1px); }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      padding:4px 0;
      font-weight:900;
      font-size:14px;
    }
    details.faq-item summary::-webkit-details-marker{ display:none; }
    .chev{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(37,99,235,.06);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .answer{
      padding-top:10px;
      color:rgba(15,23,42,.72);
      font-size:13px;
      line-height:1.8;
    }

    .articles{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .article{
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding:14px;
      box-shadow:0 12px 26px rgba(2,6,23,.06);
      transition: transform .18s ease, border-color .2s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:120px;
    }
    .article:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.22); }
    .article .meta{
      display:flex; justify-content:space-between; gap:10px; align-items:flex-start;
      color:rgba(15,23,42,.70);
      font-size:12px; font-weight:820;
    }
    .article h3{
      margin:0;
      font-size:14px; font-weight:920; letter-spacing:-.1px;
      line-height:1.5;
    }
    .article p{
      margin:0; color:rgba(15,23,42,.72); font-size:13px; line-height:1.7;
    }

    .form{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:6px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-size:12.5px;
      color:rgba(15,23,42,.78);
      font-weight:850;
    }
    .input{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.82);
      padding:12px 12px;
      font-size:14px;
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }
    .input:focus{
      border-color: rgba(37,99,235,.35);
      box-shadow: 0 0 0 4px rgba(37,99,235,.16);
      background:#fff;
    }
    textarea.input{ min-height:110px; resize:vertical; }
    .form .full{ grid-column: 1 / -1; }
    .form-actions{
      display:flex; gap:12px; align-items:center; justify-content:space-between;
      grid-column: 1 / -1;
      margin-top:2px;
      flex-wrap:wrap;
    }
    .helper{
      color:rgba(15,23,42,.68);
      font-size:12.5px; line-height:1.6;
      display:flex; gap:10px; align-items:flex-start;
      max-width:64ch;
    }
    .helper .hicon{
      width:22px; height:22px; border-radius:10px;
      background:rgba(37,99,235,.08);
      border:1px solid rgba(37,99,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .helper svg{ width:14px; height:14px; color:rgba(37,99,235,.9); }

    .footer{
      margin-top:10px;
      background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.78));
      border-top:1px solid rgba(15,23,42,.08);
      padding:26px 0 18px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr; gap:14px; align-items:start;
    }
    .foot-card{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow:0 12px 26px rgba(2,6,23,.06);
    }
    .foot-title{
      display:flex; align-items:center; gap:12px; margin-bottom:10px;
    }
    .foot-title .logo-mini{
      width:42px; height:42px; border-radius:18px;
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(37,99,235,.12), rgba(6,182,212,.10));
      border:1px solid rgba(37,99,235,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 24px rgba(2,6,23,.08);
      font-weight:950;
    }
    .foot-title b{
      display:block; font-weight:960; font-size:14px;
    }
    .foot-title span{
      display:block; color:rgba(15,23,42,.70); font-size:12.5px; margin-top:2px;
    }
    .foot-links{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      padding:8px 10px; border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(37,99,235,.04);
      font-weight:830; font-size:12.5px;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .foot-links a:hover{ transform: translateY(-1px); border-color: rgba(37,99,235,.22); background: rgba(37,99,235,.08); }
    .foot-qr{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    }
    .qrblock{
      display:flex; gap:12px; align-items:center;
      min-width:250px;
    }
    .qrblock img{
      width:92px; height:auto;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.12);
      background:#fff;
      box-shadow:0 12px 26px rgba(2,6,23,.08);
    }
    .qrblock .qrtxt b{ display:block; font-size:13px; font-weight:960; }
    .qrblock .qrtxt span{ display:block; margin-top:4px; color:rgba(15,23,42,.70); font-size:12.5px; line-height:1.6; }
    .copy{
      margin-top:14px;
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:rgba(15,23,42,.65);
      font-size:12.5px;
    }
    .mutedline{
      color:rgba(15,23,42,.68);
    }

    .float-cs{
      position:fixed;
      right:16px;
      bottom:18px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      display:flex; align-items:center; gap:10px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.80);
      box-shadow:0 18px 40px rgba(2,6,23,.14);
      padding:12px 13px;
      cursor:pointer;
      user-select:none;
      transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
      max-width:220px;
    }
    .float-btn:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.25); box-shadow:0 22px 46px rgba(2,6,23,.18); }
    .float-btn .ficon{
      width:36px; height:36px; border-radius:16px;
      background: var(--grad);
      color:#fff;
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 16px 30px rgba(109,40,217,.22);
      flex:0 0 auto;
    }
    .float-btn b{ font-size:13px; font-weight:950; display:block; line-height:1.1; }
    .float-btn span{ font-size:12.3px; color:rgba(15,23,42,.70); display:block; margin-top:3px; line-height:1.2; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
    .to-top{
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.80);
      box-shadow:0 18px 40px rgba(2,6,23,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
    }
    .to-top.show{ opacity:1; pointer-events:auto; }
    .to-top:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.25); box-shadow:0 22px 46px rgba(2,6,23,.18); }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .side-stack{ grid-template-rows: auto auto; }
      .steps{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .grid-3{ grid-template-columns: 1fr; }
      .comments .grid-3{ grid-template-columns: 1fr; }
      .articles{ grid-template-columns: 1fr; }
      .compare-card{ grid-template-columns: 1fr; }
      .form{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .nav-cta{ min-width:auto; }
      .links{ display:none; }
      .menu-btn{ display:flex; }
      .mobile-panel{ display:block; }
      nav .links{ display:none; }
    }
    @media (max-width: 520px){
      .hero-title{ font-size:28px; }
      .kpi-grid{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr; }
      .float-cs{ right:12px; bottom:14px; }
      .float-btn{ max-width:190px; }
    }
    html{ scroll-behavior:smooth; }