:root{
      --bg0:#fbfbf7;
      --bg1:#f4f6ff;
      --card:#ffffff;
      --text:#111827;
      --muted:#5b6475;
      --muted2:#7b8596;
      --border:rgba(16,24,40,.10);
      --shadow: 0 10px 30px rgba(17,24,39,.10);
      --shadow2: 0 6px 18px rgba(17,24,39,.10);
      --brand1:#2563eb;
      --brand2:#7c3aed;
      --brand3:#0ea5e9;
      --brand4:#f97316;
      --ok:#16a34a;
      --warn:#f59e0b;
      --radius:16px;
      --radius2:22px;
      --container:1120px;
      --pad:20px;
      --ring: 0 0 0 4px rgba(37,99,235,.18);
    }
    *{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, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 500px at 15% -10%, rgba(124,58,237,.14), transparent 60%),
        radial-gradient(900px 420px at 85% 0%, rgba(37,99,235,.14), transparent 60%),
        radial-gradient(820px 520px at 70% 30%, rgba(14,165,233,.10), transparent 60%),
        linear-gradient(180deg, var(--bg0), #ffffff 35%, #f7f8ff 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    /* Topbar */
    header{
      position:sticky;
      top:0;
      z-index:30;
      background: rgba(251,251,247,.65);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(16,24,40,.06);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 210px;
    }
    .logo{
      width:40px;
      height:40px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.14));
      border:1px solid rgba(37,99,235,.18);
      overflow:hidden;
      flex:0 0 auto;
    }
    .logo img{
      width:100%;
      height:100%;
      object-fit:contain;
      display:block;
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
      max-width:220px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    nav{
      display:flex;
      align-items:center;
      gap:12px;
      flex:1 1 auto;
      justify-content:flex-end;
    }
    .menu{
      display:flex;
      align-items:center;
      gap:14px;
      padding:0;
      margin:0;
      list-style:none;
      flex:0 1 auto;
    }
    .menu a{
      text-decoration:none;
      font-size:13px;
      color:rgba(17,24,39,.86);
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, transform .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(37,99,235,.08);
      color: rgba(17,24,39,1);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(16,24,40,.14);
      background: #fff;
      color: rgba(17,24,39,.92);
      padding:11px 14px;
      border-radius:14px;
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-decoration:none;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--ring)}
    .btn:hover{transform: translateY(-1px); border-color: rgba(37,99,235,.35); box-shadow: 0 8px 20px rgba(17,24,39,.10)}
    .btn-primary{
      border-color: rgba(37,99,235,.30);
      background: linear-gradient(135deg, rgba(37,99,235,.96), rgba(124,58,237,.92));
      color:#fff;
      box-shadow: 0 16px 40px rgba(37,99,235,.18);
    }
    .btn-primary:hover{box-shadow: 0 20px 54px rgba(37,99,235,.26); border-color: rgba(255,255,255,.28)}
    .btn-ghost{
      background: rgba(255,255,255,.72);
    }
    .icon{
      width:16px;
      height:16px;
      display:inline-block;
    }

    .burger{
      display:none;
      border:1px solid rgba(16,24,40,.14);
      background: rgba(255,255,255,.65);
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .burger:hover{transform: translateY(-1px); box-shadow: 0 10px 22px rgba(17,24,39,.10); border-color: rgba(37,99,235,.35)}
    .burger:focus{outline:none; box-shadow: var(--ring)}
    .burger span{
      display:block;
      width:18px;
      height:2px;
      background: rgba(17,24,39,.86);
      margin:4px 0;
      border-radius:999px;
      transition: transform .2s ease, opacity .2s ease;
    }
    .nav-mobile{
      display:none;
      padding:10px 0 16px;
    }
    .nav-mobile .panel{
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      border-radius:18px;
      padding:12px;
      box-shadow: 0 18px 40px rgba(17,24,39,.10);
    }
    .nav-mobile .panel ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:6px;
    }
    .nav-mobile .panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 12px;
      border-radius:14px;
      text-decoration:none;
      color:rgba(17,24,39,.92);
      border:1px solid rgba(16,24,40,.06);
      background: rgba(255,255,255,.66);
      font-weight:650;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .nav-mobile .panel a:hover{transform: translateY(-1px); border-color: rgba(37,99,235,.22); box-shadow: 0 10px 26px rgba(17,24,39,.10)}
    .nav-mobile .panel .small{
      color:var(--muted);
      font-weight:600;
      font-size:12px;
      margin-left:auto;
    }

    /* Hero */
    .hero{
      padding:34px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-card{
      border-radius:var(--radius2);
      background:
        linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.08) 40%, rgba(14,165,233,.08)),
        rgba(255,255,255,.65);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 26px 70px rgba(17,24,39,.10);
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px -2px auto auto;
      width:420px;
      height:260px;
      background:
        radial-gradient(closest-side, rgba(124,58,237,.22), transparent 65%),
        radial-gradient(closest-side, rgba(37,99,235,.22), transparent 68%);
      filter: blur(2px);
      transform: translate(20px,-20px);
      pointer-events:none;
      opacity:.9;
    }
    .hero-eyebrow{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:14px;
      position:relative;
      z-index:1;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.22);
      background: rgba(255,255,255,.65);
      color: rgba(17,24,39,.90);
      font-weight:750;
      font-size:12px;
    }
    .dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(37,99,235,.14);
    }
    .hero h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.18;
      position:relative;
      z-index:1;
    }
    .hero p{
      margin:14px 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      position:relative;
      z-index:1;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .meta-item{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.68);
      min-width: 190px;
    }
    .meta-item b{
      font-size:13px;
    }
    .meta-item span{
      display:block;
      color:var(--muted2);
      font-size:12px;
      margin-top:3px;
      line-height:1.2;
    }
    .mini-icon{
      width:34px;
      height:34px;
      border-radius:14px;
      border:1px solid rgba(37,99,235,.18);
      background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.12));
      display:grid;
      place-items:center;
      flex:0 0 auto;
    }
    .mini-icon svg{width:18px; height:18px; color: rgba(37,99,235,.95)}

    /* Right panel: data cards, no images */
    .hero-side{
      border-radius:var(--radius2);
      background: rgba(255,255,255,.68);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 22px 54px rgba(17,24,39,.08);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .side-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .side-top h2{
      margin:0;
      font-size:14px;
      color: rgba(17,24,39,.92);
      letter-spacing:.2px;
    }
    .side-top .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.25);
      background: rgba(245,158,11,.10);
      color:#8a5200;
      font-weight:800;
      white-space:nowrap;
    }
    .side-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .data-card{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.08);
      background:
        linear-gradient(135deg, rgba(37,99,235,.08), rgba(124,58,237,.06)),
        rgba(255,255,255,.78);
      padding:14px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .data-card:after{
      content:"";
      position:absolute;
      inset:auto -40px -50px auto;
      width:130px; height:130px;
      background: radial-gradient(closest-side, rgba(14,165,233,.22), transparent 64%);
      opacity:.65;
      transform: rotate(10deg);
      pointer-events:none;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(17,24,39,.10);
      border-color: rgba(37,99,235,.24);
    }
    .data-card b{
      display:block;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .data-card span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:12px;
      line-height:1.3;
    }
    .side-list{
      display:grid;
      gap:10px;
      padding-top:2px;
    }
    .side-row{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
    }
    .side-row .mark{
      width:22px; height:22px; border-radius:10px;
      background: rgba(22,163,74,.10);
      border:1px solid rgba(22,163,74,.22);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .side-row .mark svg{width:14px; height:14px; color: rgba(22,163,74,.95)}
    .side-row b{font-size:13px}
    .side-row p{
      margin:4px 0 0;
      font-size:12px;
      color:var(--muted);
      line-height:1.4;
    }

    /* Sections */
    main{padding-bottom:28px}
    section{
      padding:42px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width: 62ch;
    }
    .divider{
      height:1px;
      background: linear-gradient(90deg, rgba(37,99,235,.18), rgba(124,58,237,.12), rgba(14,165,233,.18));
      margin:0;
      border:0;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }
    .card{
      border-radius:var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
      box-shadow: 0 20px 54px rgba(17,24,39,.09);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }
    .card .top{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .badge-icon{
      width:40px;
      height:40px;
      border-radius:16px;
      border:1px solid rgba(37,99,235,.18);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.10));
      display:grid;
      place-items:center;
      flex:0 0 auto;
    }
    .badge-icon svg{width:18px; height:18px; color: rgba(37,99,235,.96)}
    .subtle{
      color:var(--muted2);
      font-size:12px;
      margin-top:10px;
      line-height:1.5;
    }

    /* Steps */
    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
      margin-top:14px;
    }
    .step{
      padding:16px;
      border-radius:var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 14px 34px rgba(17,24,39,.06);
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute;
      inset:-1px -1px auto -1px;
      height:3px;
      background: linear-gradient(90deg, rgba(37,99,235,.9), rgba(124,58,237,.8), rgba(14,165,233,.85));
      opacity:.9;
    }
    .step-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .step-num{
      font-weight:900;
      font-size:12px;
      color: rgba(37,99,235,.95);
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.20);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .step h3{
      margin:12px 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }

    /* Compare */
    .compare-wrap{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(16,24,40,.10);
      border-radius:var(--radius2);
      padding:14px;
      box-shadow: 0 18px 46px rgba(17,24,39,.07);
    }
    .compare-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:8px 8px 16px;
    }
    .rating-card{
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(600px 220px at 10% 0%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(420px 200px at 70% 0%, rgba(37,99,235,.12), transparent 50%),
        rgba(255,255,255,.78);
      border-radius:18px;
      padding:14px 16px;
      min-width: 280px;
    }
    .rating-row{
      display:flex;
      align-items:flex-end;
      gap:12px;
      margin-top:8px;
    }
    .star{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(245,158,11,.25);
      background: rgba(245,158,11,.12);
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .star svg{width:18px; height:18px; color:#b45309}
    .rating-row b{
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1;
    }
    .rating-row span{
      color:var(--muted);
      font-size:13px;
      line-height:1.4;
      margin-bottom:6px;
      display:block;
    }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.82);
    }
    .compare-table thead th{
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10));
      color: rgba(17,24,39,.92);
      font-size:13px;
      text-align:left;
      padding:12px 12px;
      border-bottom:1px solid rgba(16,24,40,.10);
      font-weight:900;
      white-space:nowrap;
    }
    .compare-table tbody td{
      padding:12px 12px;
      border-bottom:1px solid rgba(16,24,40,.07);
      color: rgba(17,24,39,.90);
      font-size:13px;
      vertical-align:top;
    }
    .compare-table tbody tr:last-child td{border-bottom:none}
    .cell-muted{color:var(--muted); font-size:12px; line-height:1.55}
    .good{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(22,163,74,.20);
      background: rgba(22,163,74,.10);
      font-weight:900;
      font-size:12px;
      color: rgba(21,128,61,.95);
      white-space:nowrap;
    }
    .warn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.22);
      background: rgba(245,158,11,.10);
      font-weight:900;
      font-size:12px;
      color: #8a5200;
      white-space:nowrap;
    }
    .mark2{
      width:18px; height:18px; border-radius:8px;
      display:grid; place-items:center;
      background: rgba(22,163,74,.14);
      border:1px solid rgba(22,163,74,.22);
    }
    .mark2 svg{width:12px; height:12px; color: rgba(22,163,74,.95)}

    /* FAQ */
    .faq-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .faq-card{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 46px rgba(17,24,39,.07);
      padding:10px;
    }
    details{
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.82);
      overflow:hidden;
      margin:10px 10px;
      transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    details[open]{border-color: rgba(37,99,235,.28); box-shadow: 0 16px 36px rgba(17,24,39,.08)}
    summary{
      cursor:pointer;
      list-style:none;
      padding:14px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:900;
      font-size:13px;
      color: rgba(17,24,39,.92);
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      color: var(--muted2);
      font-weight:800;
      font-size:12px;
    }
    .chev{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(251,251,247,.8);
      display:grid; place-items:center;
      transition: transform .18s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .chev svg{width:14px; height:14px; color: rgba(37,99,235,.95)}
    .faq-body{
      padding:0 14px 14px;
      color: var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    /* Testimonials */
    .quote{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 46px rgba(17,24,39,.07);
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      min-height: 210px;
    }
    .quote .who{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10));
      display:grid; place-items:center;
      color: rgba(37,99,235,.95);
      font-weight:1000;
    }
    .who b{font-size:14px}
    .who span{display:block; color:var(--muted2); font-size:12px; margin-top:2px}
    .quote p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .quote .stars{
      display:flex;
      gap:6px;
      align-items:center;
      color:#b45309;
      font-weight:900;
      font-size:12px;
    }
    .stars svg{width:16px; height:16px}
    .quote .highlight{
      color: rgba(17,24,39,.92);
      font-weight:900;
    }

    /* Forms */
    .form-wrap{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(720px 320px at 0% 0%, rgba(37,99,235,.12), transparent 55%),
        radial-gradient(620px 340px at 100% 10%, rgba(124,58,237,.12), transparent 58%),
        rgba(255,255,255,.72);
      box-shadow: 0 22px 54px rgba(17,24,39,.08);
      padding:16px;
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:14px;
      align-items:start;
    }
    .form-info{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
    }
    .form-info h3{margin:6px 0 8px; font-size:16px}
    .form-info p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .form-info .bullets{
      margin-top:12px;
      display:grid;
      gap:10px;
    }
    .bullet{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.72);
    }
    .bullet .ic{
      width:26px; height:26px;
      border-radius:12px;
      border:1px solid rgba(37,99,235,.18);
      background: rgba(37,99,235,.12);
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .bullet .ic svg{width:14px; height:14px; color: rgba(37,99,235,.95)}
    .bullet b{font-size:13px}
    .bullet span{display:block; color:var(--muted2); font-size:12px; margin-top:3px; line-height:1.4}
    form{
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
    }
    .field-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:7px;
      margin-bottom:12px;
    }
    label{
      font-weight:900;
      font-size:12px;
      color: rgba(17,24,39,.88);
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.14);
      background: rgba(255,255,255,.92);
      padding:11px 12px;
      font-size:13px;
      color: rgba(17,24,39,.92);
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--ring);
      border-color: rgba(37,99,235,.36);
    }
    .form-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:10px;
      flex-wrap:wrap;
    }
    .small-note{
      color:var(--muted2);
      font-size:12px;
      line-height:1.5;
      max-width: 44ch;
    }

    /* Case & articles */
    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:14px;
    }
    .case{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 46px rgba(17,24,39,.07);
      overflow:hidden;
      display:flex;
      flex-direction:column;
    }
    .case .thumb{
      height:122px;
      background:
        radial-gradient(240px 120px at 20% 0%, rgba(37,99,235,.22), transparent 60%),
        radial-gradient(220px 120px at 80% 0%, rgba(124,58,237,.20), transparent 60%),
        linear-gradient(135deg, rgba(14,165,233,.10), rgba(255,255,255,.6));
      border-bottom:1px solid rgba(16,24,40,.08);
      position:relative;
      overflow:hidden;
    }
    .case .thumb:after{
      content:"";
      position:absolute;
      inset:auto -60px -70px auto;
      width:220px; height:220px;
      background: radial-gradient(closest-side, rgba(249,115,22,.18), transparent 62%);
      transform: rotate(-14deg);
      opacity:.9;
    }
    .case .body{
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:10px;
      flex:1 1 auto;
    }
    .case .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:-2px;
    }
    .chip{
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.86);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.80);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .case h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .case p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }
    .case .act{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .link{
      color: rgba(37,99,235,.98);
      text-decoration:none;
      font-weight:900;
      font-size:13px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(37,99,235,.18);
      background: rgba(37,99,235,.08);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .link:hover{transform: translateY(-1px); box-shadow: 0 16px 34px rgba(17,24,39,.10)}
    .arrow{
      width:18px; height:18px; border-radius:10px;
      border:1px solid rgba(37,99,235,.22);
      background: rgba(37,99,235,.10);
      display:grid; place-items:center;
    }
    .arrow svg{width:12px; height:12px; color: rgba(37,99,235,.95)}

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .list-card{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 18px 46px rgba(17,24,39,.07);
      padding:16px;
    }
    .list-card h3{margin:4px 0 10px; font-size:16px}
    .list{
      display:grid;
      gap:10px;
    }
    .item{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.08);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .item:hover{transform: translateY(-2px); border-color: rgba(37,99,235,.22); box-shadow: 0 18px 40px rgba(17,24,39,.09)}
    .item b{font-size:13px; line-height:1.4}
    .item span{
      display:block;
      color:var(--muted2);
      font-size:12px;
      margin-top:5px;
      line-height:1.45;
    }
    .item a{
      text-decoration:none;
      color: rgba(37,99,235,.98);
      font-weight:950;
      font-size:13px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(37,99,235,.18);
      background: rgba(37,99,235,.08);
      white-space:nowrap;
    }
    .item a:hover{box-shadow: 0 16px 34px rgba(17,24,39,.10)}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .tag-cloud .t{
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.86);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.82);
      padding:8px 12px;
      border-radius:999px;
      transition: transform .16s ease, border-color .16s ease;
      user-select:none;
    }
    .tag-cloud .t:hover{transform: translateY(-1px); border-color: rgba(124,58,237,.22)}

    /* Network */
    .timeline{
      display:grid;
      gap:12px;
    }
    .time-row{
      display:flex;
      gap:12px;
      align-items:flex-start;
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 16px 40px rgba(17,24,39,.06);
      padding:14px;
    }
    .time-dot{
      width:44px; height:44px;
      border-radius:18px;
      border:1px solid rgba(37,99,235,.18);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.10));
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .time-dot svg{width:20px; height:20px; color: rgba(37,99,235,.95)}
    .time-row b{font-size:14px}
    .time-row p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.7}

    /* Footer */
    footer{
      padding:24px 0 34px;
      background: rgba(255,255,255,.55);
      border-top:1px solid rgba(16,24,40,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      border-radius:var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 18px 46px rgba(17,24,39,.06);
    }
    .foot-card h3{margin:0 0 10px; font-size:15px}
    .foot-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .foot-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .foot-links a{
      text-decoration:none;
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.86);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.82);
      padding:8px 10px;
      border-radius:999px;
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
    }
    .foot-links a:hover{transform: translateY(-1px); border-color: rgba(37,99,235,.22); box-shadow: 0 16px 34px rgba(17,24,39,.10)}
    .copyright{
      margin-top:12px;
      color: var(--muted2);
      font-size:12px;
      line-height:1.6;
    }
    .footer-right{
      display:grid;
      gap:12px;
    }
    .contact-box{
      display:grid;
      gap:10px;
    }
    .row{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.74);
    }
    .row .r-ic{
      width:36px; height:36px;
      border-radius:16px;
      border:1px solid rgba(37,99,235,.18);
      background: rgba(37,99,235,.10);
      display:grid; place-items:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .row .r-ic svg{width:18px; height:18px; color: rgba(37,99,235,.95)}
    .row b{font-size:13px}
    .row span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:4px;
      line-height:1.5;
      word-break:break-word;
    }

    /* Floating客服 */
    .float-customer{
      position:fixed;
      right:14px;
      bottom:16px;
      z-index:50;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-customer .bubble{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 40px rgba(17,24,39,.12);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      max-width: 280px;
    }
    .bubble:hover{transform: translateY(-2px); border-color: rgba(37,99,235,.22)}
    .bubble .b-ic{
      width:34px; height:34px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.12));
      border:1px solid rgba(37,99,235,.18);
      display:grid; place-items:center;
      flex:0 0 auto;
    }
    .bubble .b-ic svg{width:18px; height:18px; color: rgba(37,99,235,.95)}
    .bubble .b-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .bubble .b-text b{font-size:13px}
    .bubble .b-text span{color:var(--muted2); font-size:12px; margin-top:4px}
    .qr-panel{
      pointer-events:auto;
      width:220px;
      border-radius:20px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 26px 70px rgba(17,24,39,.18);
      overflow:hidden;
      transform-origin: right bottom;
      opacity:0;
      transform: translateY(10px) scale(.98);
      transition: opacity .18s ease, transform .18s ease;
      display:none;
    }
    .qr-panel.open{
      display:block;
      opacity:1;
      transform: translateY(0) scale(1);
    }
    .qr-head{
      padding:12px 12px 10px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      border-bottom:1px solid rgba(16,24,40,.08);
      background: linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.08));
    }
    .qr-head b{font-size:13px}
    .qr-close{
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.9);
      border-radius:14px;
      width:34px; height:34px;
      cursor:pointer;
      display:grid; place-items:center;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .qr-close:hover{transform: translateY(-1px); box-shadow: 0 14px 28px rgba(17,24,39,.10)}
    .qr-close svg{width:16px; height:16px; color: rgba(17,24,39,.85)}
    .qr-body{
      padding:12px;
      display:grid;
      gap:10px;
      align-items:center;
    }
    .qr-body img{
      width:100%;
      height:auto;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      display:block;
      background:#fff;
    }
    .qr-body .tip{
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      text-align:center;
    }

    /* Reveal */
    .reveal{
      opacity:0;
      transform: translateY(14px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2,1fr)}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .faq-wrap{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .form-wrap{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .menu{display:none}
      .burger{display:inline-flex}
      .nav-mobile{display:block}
      .nav-wrap{padding:12px 0}
      .brand{min-width: unset}
    }
    @media (max-width: 520px){
      .hero h1{font-size:28px}
      .meta-item{min-width: unset; width:100%}
      .side-grid{grid-template-columns: 1fr}
      .field-grid{grid-template-columns: 1fr}
      .compare-top{flex-direction:column; align-items:stretch}
      .rating-card{min-width: unset}
    }

    /* Avoid motion discomfort */
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .reveal.in{transform:none}
      .data-card:hover,.card:hover,.link:hover,.item:hover,.btn:hover{transform:none}
      details[open] .chev{transform:none}
    }