:root{
      --bg0:#ffffff;
      --bg1:#fff7f0;
      --bg2:#f7f8ff;
      --text:#121826;
      --muted:#5b6475;
      --muted2:#7a8396;
      --border:rgba(18,24,38,.10);
      --shadow:0 18px 50px rgba(16,24,40,.10);
      --shadow2:0 10px 26px rgba(16,24,40,.08);
      --shadow3:0 6px 16px rgba(16,24,40,.10);
      --ring:rgba(255,255,255,.7);

      --c1:#6a5cff; /* 紫蓝 */
      --c2:#ff4fb4; /* 糖果粉 */
      --c3:#ffb020; /* 蜜糖橙 */
      --c4:#22c55e; /* 绿 */
      --c5:#06b6d4; /* 青 */

      --card:#ffffff;
      --card2:rgba(255,255,255,.86);

      --radius:18px;
      --radius2:22px;
      --container:1180px;
      --padX:20px;

      --focus:0 0 0 4px rgba(106,92,255,.18), 0 0 0 1px rgba(106,92,255,.30);
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 18% 6%, rgba(106,92,255,.12), rgba(106,92,255,0) 60%),
        radial-gradient(780px 380px at 86% 12%, rgba(255,79,180,.12), rgba(255,79,180,0) 58%),
        radial-gradient(700px 420px at 78% 64%, rgba(255,176,32,.10), rgba(255,176,32,0) 55%),
        linear-gradient(180deg, var(--bg1), var(--bg0) 30%, #fff 60%, #fbfbff 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:hover{opacity:.96}
    .container{
      width:100%;
      max-width:var(--container);
      padding:0 var(--padX);
      margin:0 auto;
    }

    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow:var(--shadow3);
    }

    header{
      position:sticky; top:0; z-index:50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(18,24,38,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:190px;
    }
    .logo{
      width:40px; height:40px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(20px 20px at 30% 30%, rgba(255,79,180,.35), rgba(255,79,180,0)),
        radial-gradient(22px 22px at 70% 70%, rgba(106,92,255,.32), rgba(106,92,255,0)),
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.65));
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 8px 20px rgba(106,92,255,.14);
      overflow:hidden;
    }
    .logo img{display:block; width:100%; height:100%; object-fit:cover}
    .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);
    }

    nav.desktop{
      display:flex; align-items:center; justify-content:center; gap:16px;
      flex:1;
      min-width:0;
    }
    .nav-link{
      font-size:13px; color:var(--muted);
      padding:10px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--text);
      border-color: rgba(18,24,38,.08);
      background: rgba(255,255,255,.7);
      transform: translateY(-1px);
    }

    .nav-right{
      display:flex; align-items:center; justify-content:flex-end; gap:10px;
      min-width:230px;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background:#fff;
      color:var(--text);
      font-weight:650;
      letter-spacing:.2px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: var(--shadow2); border-color: rgba(18,24,38,.14)}
    .btn-primary{
      border:none;
      background: linear-gradient(135deg, rgba(106,92,255,.98), rgba(255,79,180,.92));
      color:#fff;
      box-shadow: 0 14px 32px rgba(106,92,255,.22);
    }
    .btn-primary:hover{box-shadow: 0 18px 44px rgba(255,79,180,.18)}
    .btn-ghost{
      background: rgba(255,255,255,.78);
    }
    .btn-small{
      padding:10px 12px; border-radius:12px; font-size:13px;
      font-weight:650;
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, var(--c3), var(--c2));
      box-shadow:0 10px 20px rgba(255,176,32,.18);
    }

    .burger{
      display:none;
      width:42px; height:42px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .burger:hover{transform: translateY(-1px); box-shadow: var(--shadow2)}
    .burger:focus{outline:none; box-shadow:var(--focus)}
    .burger .bars{
      width:18px; height:12px; position:relative;
    }
    .burger .bars span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: linear-gradient(135deg, var(--c1), var(--c2));
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger .bars span:nth-child(1){top:0}
    .burger .bars span:nth-child(2){top:5px}
    .burger .bars span:nth-child(3){top:10px}
    .burger[aria-expanded="true"] .bars span:nth-child(1){top:5px; transform: rotate(45deg)}
    .burger[aria-expanded="true"] .bars span:nth-child(2){opacity:0}
    .burger[aria-expanded="true"] .bars span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(18,24,38,.08);
      background: rgba(255,255,255,.9);
    }
    .mobile-panel-inner{
      padding:10px 0 16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-link{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.08);
      background: rgba(255,255,255,.72);
      color: var(--muted);
      font-weight:650;
      font-size:13px;
      transition: transform .2s ease, box-shadow .2s ease, color .2s ease;
    }
    .mobile-link:hover{transform: translateY(-1px); box-shadow: var(--shadow2); color:var(--text)}

    main{padding:22px 0 40px}
    section{padding:52px 0}
    .section-tight{padding:44px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
      margin-bottom:22px;
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      font-size:13px; color:var(--muted);
      margin-bottom:10px;
    }
    .eyebrow .pill{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
    }
    .h2{
      font-size:28px; margin:0;
      letter-spacing:-.5px;
    }
    .lead{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.7;
      font-size:14.5px;
      max-width:62ch;
    }

    .hero{
      padding:34px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border:1px solid rgba(18,24,38,.10);
      border-radius: var(--radius2);
      background:
        radial-gradient(600px 300px at 20% 20%, rgba(106,92,255,.22), rgba(106,92,255,0) 55%),
        radial-gradient(520px 260px at 70% 10%, rgba(255,79,180,.20), rgba(255,79,180,0) 58%),
        radial-gradient(520px 360px at 70% 70%, rgba(255,176,32,.14), rgba(255,176,32,0) 58%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.68));
      box-shadow: var(--shadow2);
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(220px 140px at 10% 10%, rgba(255,255,255,.65), rgba(255,255,255,0) 65%),
        linear-gradient(135deg, rgba(106,92,255,.18), rgba(255,79,180,.10));
      opacity:.65;
      pointer-events:none;
    }
    .hero-inner{position:relative; z-index:1}
    .hero-title{
      margin:10px 0 8px;
      font-size:40px;
      line-height:1.12;
      letter-spacing:-1.2px;
    }
    .hero-sub{
      margin:0 0 16px;
      color:var(--muted);
      line-height:1.75;
      font-size:15px;
      max-width:64ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center;
      margin-top:16px;
    }
    .hero-badges{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:18px;
    }
    .badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      box-shadow:0 10px 24px rgba(16,24,40,.06);
      transition: transform .2s ease;
      font-weight:650;
      font-size:13px;
      color:var(--text);
    }
    .badge:hover{transform: translateY(-2px)}
    .badge .spark{
      width:26px; height:26px; border-radius:10px;
      background: linear-gradient(135deg, rgba(255,176,32,.95), rgba(255,79,180,.88));
      box-shadow:0 14px 26px rgba(255,79,180,.16);
      display:flex; align-items:center; justify-content:center;
      color:#fff;
      font-weight:900;
      font-size:14px;
    }
    .hero-side{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: var(--shadow2);
      padding:18px;
      display:flex; flex-direction:column; gap:14px;
      position:relative; overflow:hidden;
    }
    .hero-side:after{
      content:"";
      position:absolute;
      width:420px; height:420px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.20), rgba(6,182,212,0) 60%),
        radial-gradient(circle at 70% 65%, rgba(106,92,255,.18), rgba(106,92,255,0) 58%);
      top:-220px; right:-260px;
      pointer-events:none;
    }
    .side-inner{position:relative; z-index:1}
    .stat-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .stat{
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      padding:14px 14px 12px;
      transition: transform .2s ease, box-shadow .2s ease;
      min-height:94px;
    }
    .stat:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .stat .k{
      font-weight:900;
      font-size:22px;
      letter-spacing:-.5px;
      margin:2px 0 6px;
    }
    .stat .t{
      color:var(--muted);
      font-size:13px;
      line-height:1.45;
      margin:0;
    }

    .mini-list{
      margin:0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .mini-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
    }
    .mini-item .dot{
      width:10px; height:10px; margin-top:6px; border-radius:50%;
      background: linear-gradient(135deg, var(--c1), var(--c2));
      box-shadow:0 12px 22px rgba(106,92,255,.18);
      flex:0 0 auto;
    }
    .mini-item .m{
      display:flex; flex-direction:column; gap:4px;
    }
    .mini-item .m strong{font-size:13.5px}
    .mini-item .m span{font-size:12.5px; color:var(--muted); line-height:1.45}

    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:16px;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }

    .card{
      border-radius: var(--radius);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
      padding:18px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{transform: translateY(-2px); box-shadow: var(--shadow3); border-color: rgba(18,24,38,.14)}

    .card-title{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card-desc{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:14px;
    }

    .icon{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(20px 18px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(106,92,255,.20), rgba(255,79,180,.16));
      display:flex; align-items:center; justify-content:center;
      margin-bottom:12px;
      box-shadow:0 16px 28px rgba(106,92,255,.14);
    }
    .icon svg{width:22px; height:22px; opacity:.95}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .step{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .step:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .step:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(240px 90px at 20% 0%, rgba(255,79,180,.14), rgba(255,79,180,0) 60%),
        radial-gradient(240px 110px at 80% 10%, rgba(106,92,255,.14), rgba(106,92,255,0) 60%);
      opacity:.8;
      pointer-events:none;
    }
    .step-inner{position:relative; z-index:1}
    .step-num{
      display:flex; align-items:center; justify-content:space-between;
      margin-bottom:10px;
      gap:10px;
    }
    .step-num .n{
      width:38px; height:38px; border-radius:16px;
      background: linear-gradient(135deg, rgba(255,176,32,.95), rgba(255,79,180,.92));
      color:#fff;
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      box-shadow: 0 18px 34px rgba(255,79,180,.18);
    }
    .step-num .tag{
      font-size:12px; color:var(--muted);
      padding:8px 10px; border-radius:999px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(18,24,38,.08);
      white-space:nowrap;
    }
    .step h3{
      margin:0 0 6px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      line-height:1.65;
      font-size:13.5px;
    }

    .table-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      overflow:hidden;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
    }
    .table{
      width:100%;
      border-collapse:collapse;
      min-width: 720px;
    }
    .table thead th{
      background: linear-gradient(135deg, rgba(106,92,255,.14), rgba(255,79,180,.10));
      color:var(--text);
      font-weight:850;
      font-size:13px;
      padding:14px 12px;
      border-bottom:1px solid rgba(18,24,38,.10);
      text-align:left;
    }
    .table td{
      padding:14px 12px;
      border-bottom:1px solid rgba(18,24,38,.08);
      color:var(--muted);
      font-size:13.5px;
      vertical-align:top;
      line-height:1.6;
    }
    .table tbody tr:hover td{color:var(--text); background: rgba(255,255,255,.72)}
    .mark-yes{
      display:inline-flex; align-items:center; gap:8px;
      color:var(--text);
      font-weight:750;
    }
    .mark-yes i{
      width:18px; height:18px; border-radius:7px;
      background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(6,182,212,.88));
      display:inline-flex; align-items:center; justify-content:center;
      color:#fff; font-style:normal; font-weight:900;
    }
    .mark-no{
      display:inline-flex; align-items:center; gap:8px;
      color:var(--muted2);
      font-weight:700;
    }
    .mark-no i{
      width:18px; height:18px; border-radius:7px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.7);
      display:inline-flex; align-items:center; justify-content:center;
      color:rgba(18,24,38,.55);
      font-style:normal; font-weight:900;
    }

    .comparison-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .rating{
      display:flex; align-items:center; gap:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(16,24,40,.05);
      flex:0 0 auto;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      background: linear-gradient(135deg, rgba(255,176,32,.98), rgba(255,79,180,.86));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 8px 18px rgba(255,176,32,.16));
    }
    .rating .rmeta{
      display:flex; flex-direction:column; gap:3px;
    }
    .rating .rmeta strong{font-size:14px}
    .rating .rmeta span{font-size:12.5px; color:var(--muted)}

    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:10px;
    }
    .pill2{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .pill2 b{color:var(--text)}

    .timeline{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      padding:18px;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
    }
    .timeline-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .tl-item{
      padding:14px 14px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      display:flex; gap:12px; align-items:flex-start;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .tl-item:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .tl-badge{
      width:36px; height:36px; border-radius:14px;
      background: linear-gradient(135deg, rgba(106,92,255,.22), rgba(255,79,180,.18));
      border:1px solid rgba(18,24,38,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:var(--text);
      flex:0 0 auto;
    }
    .tl-item h4{
      margin:0 0 6px;
      font-size:14.5px;
      letter-spacing:-.2px;
    }
    .tl-item p{
      margin:0;
      color:var(--muted);
      line-height:1.65;
      font-size:13.5px;
    }

    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      overflow:hidden;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
    }
    details.faq-item{
      padding:0;
      border-top:1px solid rgba(18,24,38,.08);
      background: transparent;
    }
    details.faq-item:first-child{border-top:none}
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:16px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
      user-select:none;
      transition: background .2s ease;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .q{
      font-weight:850;
      font-size:14.5px;
      letter-spacing:-.2px;
      line-height:1.5;
      color:var(--text);
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .a{
      padding:0 16px 16px;
      color:var(--muted);
      line-height:1.75;
      font-size:14px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      border-radius: var(--radius);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      padding:16px;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
      transition: transform .2s ease, box-shadow .2s ease;
      position:relative; overflow:hidden;
    }
    .review:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .review:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(320px 150px at 10% 0%, rgba(106,92,255,.16), rgba(106,92,255,0) 62%),
        radial-gradient(260px 140px at 92% 18%, rgba(255,79,180,.12), rgba(255,79,180,0) 60%);
      opacity:.9;
      pointer-events:none;
    }
    .review-inner{position:relative; z-index:1}
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px; border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(255,176,32,.24), rgba(106,92,255,.18));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:var(--text);
      flex:0 0 auto;
    }
    .who strong{font-size:14px}
    .role{
      font-size:12.5px; color:var(--muted); margin-top:2px;
      font-weight:650;
    }
    .review .text{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:13.8px;
    }
    .review .meta{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:12px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      color:var(--muted);
      font-size:12.5px;
      font-weight:700;
      white-space:nowrap;
    }

    .cases{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:stretch;
    }
    .case-card{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      padding:18px;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease;
      position:relative;
    }
    .case-card:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .case-card h3{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .case-card p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      font-size:14px;
    }
    .case-tags{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:12px;
    }
    .tag3{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.68));
      color:var(--muted);
      font-weight:750;
      font-size:12.5px;
      transition: transform .2s ease;
    }
    .tag3:hover{transform: translateY(-1px)}

    .article-list{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .article-main{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      padding:18px;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
    }
    .article-main h3{
      margin:0 0 10px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .links{
      display:flex; flex-direction:column; gap:10px;
      margin:0; padding:0; list-style:none;
    }
    .link-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .link-item:hover{transform: translateY(-2px); box-shadow: var(--shadow3); border-color: rgba(18,24,38,.14)}
    .link-item strong{font-size:14px; letter-spacing:-.2px}
    .link-item span{display:block; color:var(--muted); font-size:12.5px; margin-top:3px; line-height:1.45}
    .arrow{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:rgba(18,24,38,.75);
    }
    .article-side{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      padding:18px;
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
    }
    .article-side h3{margin:0 0 10px; font-size:16px; letter-spacing:-.2px}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tcloud{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.78);
      font-weight:800;
      font-size:12.5px;
      color:var(--muted);
      transition: transform .2s ease, box-shadow .2s ease, color .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .tcloud:hover{transform: translateY(-2px); box-shadow: var(--shadow3); color:var(--text)}

    form.form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-size:13px; color:var(--muted);
      font-weight:750;
    }
    .field input, .field select, .field textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(18,24,38,.12);
      background: rgba(255,255,255,.90);
      color:var(--text);
      font-size:14px;
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    }
    .field textarea{min-height:114px; resize:vertical}
    .field input:focus, .field select:focus, .field textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(106,92,255,.35);
    }
    .span2{grid-column: span 2}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:6px;
      grid-column: span 2;
    }
    .fineprint{
      color:var(--muted);
      font-size:12.5px; line-height:1.5;
      margin:0;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 22px;
      background: rgba(18,24,38,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 18px 50px rgba(16,24,40,.26);
      border: 1px solid rgba(255,255,255,.18);
      z-index:1000;
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      max-width: calc(100vw - 24px);
    }
    .toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-2px);
    }

    .form-card{
      border-radius: var(--radius2);
      border:1px solid rgba(18,24,38,.10);
      background:
        radial-gradient(560px 260px at 20% 0%, rgba(106,92,255,.16), rgba(106,92,255,0) 60%),
        radial-gradient(520px 220px at 88% 18%, rgba(255,79,180,.14), rgba(255,79,180,0) 58%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.65));
      box-shadow: 0 12px 30px rgba(16,24,40,.05);
      padding:20px;
    }

    .footer{
      border-top:1px solid rgba(18,24,38,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.70));
      padding:26px 0 18px;
    }
    .footer-grid{
      display:flex; align-items:flex-start; justify-content:space-between; gap:16px; flex-wrap:wrap;
    }
    .foot-left{
      display:flex; flex-direction:column; gap:10px;
      min-width:260px;
    }
    .foot-brand{
      display:flex; align-items:center; gap:12px;
    }
    .foot-brand .logo2{
      width:44px; height:44px; border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: linear-gradient(135deg, rgba(106,92,255,.18), rgba(255,79,180,.14));
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 16px 28px rgba(106,92,255,.12);
      overflow:hidden;
    }
    .logo2 img{width:100%; height:100%; object-fit:cover; display:block}
    .foot-left p{
      margin:0; color:var(--muted); line-height:1.7; font-size:13.5px;
      max-width:56ch;
    }
    .foot-links{
      display:flex; gap:16px; flex-wrap:wrap;
      align-items:flex-start; justify-content:flex-end;
      min-width:320px;
    }
    .foot-col{
      min-width:190px;
    }
    .foot-col h4{
      margin:0 0 10px; font-size:14px; letter-spacing:-.2px;
    }
    .foot-col a{
      display:block;
      color:var(--muted);
      padding:8px 0;
      font-weight:650;
      font-size:13px;
      transition: color .2s ease, transform .2s ease;
    }
    .foot-col a:hover{color:var(--text); transform: translateY(-1px)}
    .copyright{
      margin-top:18px;
      padding-top:14px;
      border-top:1px dashed rgba(18,24,38,.10);
      color:var(--muted2);
      font-size:12.5px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }

    .floating{
      position:fixed;
      right:14px;
      bottom:18px;
      z-index:120;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:46px; height:46px; border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 30px rgba(16,24,40,.10);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .float-btn:hover{transform: translateY(-2px); box-shadow: var(--shadow3)}
    .float-btn:focus{outline:none; box-shadow:var(--focus)}
    .float-btn svg{width:20px; height:20px; color: rgba(18,24,38,.78)}
    .kefu-pop{
      position:absolute; right:56px; bottom:0;
      width:230px;
      border-radius:18px;
      border:1px solid rgba(18,24,38,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 50px rgba(16,24,40,.18);
      overflow:hidden;
      display:none;
      transform: translateY(6px);
      opacity:0;
      transition: opacity .2s ease, transform .2s ease;
    }
    .kefu-pop.show{
      display:block;
      opacity:1;
      transform: translateY(0);
    }
    .kefu-pop .top{
      padding:12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(18,24,38,.08);
      background: linear-gradient(135deg, rgba(106,92,255,.10), rgba(255,79,180,.08));
    }
    .kefu-pop .top strong{font-size:13.5px}
    .kefu-pop .top button{
      border:none; background:transparent; cursor:pointer; padding:6px 8px;
      border-radius:12px;
      color:rgba(18,24,38,.65);
      transition: background .2s ease;
    }
    .kefu-pop .top button:hover{background: rgba(18,24,38,.06)}
    .kefu-pop .body{
      padding:12px;
    }
    .kefu-pop img{
      width:100%;
      height:auto;
      border-radius:14px;
      display:block;
      border:1px solid rgba(18,24,38,.10);
      background:#fff;
    }
    .kefu-pop .hint{
      margin:10px 0 0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      nav.desktop{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .hero-grid{grid-template-columns: 1fr; gap:14px}
      .hero-title{font-size:34px}
      .stat-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns: repeat(2, 1fr)}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .timeline-list{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      form.form{grid-template-columns: 1fr}
      .span2{grid-column: span 1}
      .form-actions{grid-column: span 1; flex-direction:column; align-items:flex-start}
      .nav-right{min-width:auto}
      .kefu-pop{right:0; left:auto; width:220px}
    }

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }