:root{
      --bg0:#f6f8ff;
      --bg1:#ffffff;
      --text:#0f172a;
      --muted:#5b6b86;
      --muted2:#7b89a6;
      --line:#e7ebf7;
      --card:#ffffff;
      --brand:#1457ff;
      --brand2:#2b7cff;
      --brand3:#0a3aa6;
      --accent:#18a6ff;
      --good:#16a34a;
      --warn:#f59e0b;
      --shadow: 0 14px 40px rgba(13, 56, 125, .12);
      --shadow2: 0 10px 25px rgba(13, 56, 125, .10);
      --radius: 18px;
      --radius2: 14px;
      --radius3: 12px;
      --container: 1140px;
      --pad: 18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Microsoft YaHei","Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      color:var(--text);
      background: radial-gradient(1100px 520px at 18% -10%, rgba(20,87,255,.18), rgba(20,87,255,0) 60%),
                  radial-gradient(900px 420px at 85% 0%, rgba(24,166,255,.16), rgba(24,166,255,0) 58%),
                  linear-gradient(180deg, var(--bg0), #ffffff 52%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width: min(var(--container), calc(100% - 2*var(--pad)));
      margin: 0 auto;
    }
    .skip{
      position:absolute; left:-999px; top:0;
      background:#fff; padding:10px 14px; border-radius:10px;
      border:1px solid var(--line);
      z-index:9999;
    }
    .skip:focus{left:var(--pad); top:12px}
    header{
      position: sticky;
      top:0;
      z-index:50;
      background: rgba(246,248,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(231,235,247,.7);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap: 14px;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width: 220px;
    }
    .brand .logo{
      width: 40px; height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(20,87,255,.18), rgba(24,166,255,.10));
      border: 1px solid rgba(20,87,255,.25);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 25px rgba(20,87,255,.12);
      overflow:hidden;
    }
    .brand img{
      width: 100%; height: 100%; object-fit: contain;
      transform: translateY(1px);
    }
    .brand .name{
      display:flex; flex-direction:column; line-height:1.12;
    }
    .brand .name strong{font-size:14px; letter-spacing:.2px}
    .brand .name span{font-size:12px; color:var(--muted); margin-top:3px}
    .nav-right{display:flex; align-items:center; gap:12px; justify-content:flex-end; flex-wrap:wrap}
    .nav-links{
      display:flex; align-items:center; gap: 12px;
      padding: 6px 8px;
      border-radius: 999px;
      border:1px solid rgba(231,235,247,.9);
      background: rgba(255,255,255,.68);
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px; color:var(--muted);
      padding: 8px 10px;
      border-radius: 999px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(20,87,255,.10);
      color: var(--brand3);
      transform: translateY(-1px);
    }
    .cta-row{display:flex; align-items:center; gap:10px}
    .btn{
      appearance:none; border:0; cursor:pointer;
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 12px;
      text-decoration:none;
      font-weight: 650;
      font-size: 14px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      background: linear-gradient(135deg, var(--brand), var(--accent));
      color:#fff;
      box-shadow: 0 18px 45px rgba(20,87,255,.28);
      border: 1px solid rgba(255,255,255,.18);
    }
    .btn-primary:hover{box-shadow: 0 22px 55px rgba(20,87,255,.33)}
    .btn-ghost{
      background: rgba(255,255,255,.78);
      color: var(--brand3);
      border: 1px solid rgba(20,87,255,.22);
    }
    .btn-ghost:hover{
      background:#fff;
      border-color: rgba(20,87,255,.32);
      transform: translateY(-1px);
    }
    .btn-icon{
      width: 34px; height: 34px;
      border-radius: 10px;
      display:inline-flex; align-items:center; justify-content:center;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.78);
      color: var(--brand3);
    }
    .burger{
      display:none;
      border-radius: 12px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.78);
      padding: 10px 12px;
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
    }
    .burger:hover{transform: translateY(-1px); background:#fff}
    .burger .lines{width:18px; height:12px; position:relative}
    .burger .lines span{
      position:absolute; left:0; right:0; height:2px;
      background: var(--brand3); border-radius:99px;
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .burger .lines span:nth-child(1){top:0}
    .burger .lines span:nth-child(2){top:5px}
    .burger .lines span:nth-child(3){top:10px}
    .burger[aria-expanded="true"] .lines span:nth-child(1){top:5px; transform: rotate(45deg)}
    .burger[aria-expanded="true"] .lines span:nth-child(2){opacity:0}
    .burger[aria-expanded="true"] .lines span:nth-child(3){top:5px; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding: 12px 0 16px;
    }
    .mobile-panel .stack{
      display:flex; flex-direction:column; gap:8px;
      border:1px solid rgba(231,235,247,.9);
      background: rgba(255,255,255,.78);
      border-radius: 16px;
      padding: 10px;
    }
    .mobile-panel a{
      text-decoration:none;
      color: var(--muted);
      font-weight: 600;
      padding: 10px 12px;
      border-radius: 12px;
      transition: background .2s ease, color .2s ease;
      font-size: 14px;
    }
    .mobile-panel a:hover{
      background: rgba(20,87,255,.10);
      color: var(--brand3);
    }

    main{padding-bottom: 40px}
    .hero{
      padding: 30px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      border-radius: calc(var(--radius) + 4px);
      background:
        radial-gradient(650px 250px at 20% 0%, rgba(20,87,255,.20), rgba(20,87,255,0) 55%),
        radial-gradient(520px 240px at 85% 15%, rgba(24,166,255,.18), rgba(24,166,255,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.92));
      border: 1px solid rgba(20,87,255,.18);
      box-shadow: var(--shadow);
      padding: 22px;
      position: relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(110deg, rgba(255,255,255,.0), rgba(255,255,255,.7), rgba(255,255,255,.0));
      transform: translateX(-60%);
      opacity:.55;
      pointer-events:none;
      animation: sweep 7.5s ease-in-out infinite;
    }
    @keyframes sweep{
      0%,35%{transform: translateX(-70%)}
      55%{transform: translateX(20%)}
      100%{transform: translateX(70%)}
    }
    .hero-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px;
      position:relative; z-index:2;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,87,255,.22);
      background: rgba(255,255,255,.7);
      color: var(--brand3);
      font-weight: 700;
      font-size: 13px;
      white-space:nowrap;
    }
    .dot{
      width: 10px; height: 10px; border-radius: 50%;
      background: linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow: 0 10px 25px rgba(20,87,255,.35);
    }
    .hero h1{
      margin: 12px 0 10px;
      font-size: clamp(22px, 3.1vw, 38px);
      letter-spacing: -0.6px;
      line-height:1.15;
    }
    .hero p{
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height:1.7;
      max-width: 62ch;
    }
    .hero-actions{
      margin-top: 18px;
      display:flex; gap: 12px; align-items:center; flex-wrap:wrap;
      position:relative; z-index:2;
    }
    .hero-meta{
      margin-top: 16px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      position:relative; z-index:2;
    }
    .meta-item{
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.72);
      border-radius: 14px;
      padding: 12px 12px;
      display:flex; flex-direction:column; gap:6px;
    }
    .meta-item strong{font-size: 14px}
    .meta-item span{font-size: 12px; color: var(--muted2); line-height:1.35}
    .side-card{
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.95));
      border: 1px solid rgba(20,87,255,.16);
      box-shadow: var(--shadow2);
      padding: 18px;
      overflow:hidden;
      position:relative;
      min-height: 360px;
    }
    .side-card:after{
      content:"";
      position:absolute;
      width: 260px; height: 260px;
      right: -140px; top: -130px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(20,87,255,.28), rgba(20,87,255,0) 62%);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative; z-index:2;
    }
    .side-title h2{
      margin:0;
      font-size: 15px;
      color: var(--brand3);
      letter-spacing:.2px;
    }
    .badge-mini{
      display:inline-flex; align-items:center; gap:6px;
      padding: 7px 9px;
      border-radius: 999px;
      background: rgba(20,87,255,.10);
      border: 1px solid rgba(20,87,255,.18);
      color: var(--brand3);
      font-weight: 800;
      font-size: 12px;
      white-space:nowrap;
    }
    .side-list{
      margin-top: 14px;
      display:flex; flex-direction:column; gap: 10px;
      position:relative; z-index:2;
    }
    .side-row{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(231,235,247,.9);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .side-row:hover{
      transform: translateY(-2px);
      border-color: rgba(20,87,255,.28);
      box-shadow: 0 18px 40px rgba(20,87,255,.12);
    }
    .icon{
      width: 34px; height: 34px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(20,87,255,.18), rgba(24,166,255,.10));
      border: 1px solid rgba(20,87,255,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand3);
      flex: 0 0 auto;
    }
    .side-row strong{font-size: 14px}
    .side-row span{display:block; margin-top:4px; font-size: 12.5px; color: var(--muted); line-height:1.45}

    .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: 20px;
      letter-spacing: -0.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 62ch;
    }
    .grid-3{display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px}
    .grid-2{display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px}
    .card{
      background: var(--card);
      border: 1px solid rgba(231,235,247,.95);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 30px rgba(13,56,125,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(20,87,255,.25);
      box-shadow: 0 16px 45px rgba(13,56,125,.10);
    }
    .kpi{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .kpi .num{
      font-size: 28px;
      letter-spacing: -0.8px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand3), var(--brand));
      -webkit-background-clip: text;
      background-clip:text;
      color: transparent;
    }
    .kpi .lbl{color: var(--muted); font-size: 13px; line-height:1.45; margin-top:6px}
    .chips{
      display:flex; flex-wrap:wrap; gap:8px; margin-top: 12px;
    }
    .chip{
      font-size: 12.5px;
      color: var(--brand3);
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(20,87,255,.08);
      border: 1px solid rgba(20,87,255,.16);
      font-weight: 700;
      white-space:nowrap;
    }
    .list{
      margin: 10px 0 0;
      padding-left: 18px;
      color: var(--muted);
      line-height:1.8;
      font-size: 13.5px;
    }
    .steps{
      display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
    }
    .step{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.98));
      position:relative; overflow:hidden;
      transition: transform .2s ease, border-color .2s ease;
      min-height: 160px;
    }
    .step:hover{transform: translateY(-2px); border-color: rgba(20,87,255,.25)}
    .step:before{
      content:"";
      position:absolute; left:-60px; top:-60px;
      width: 160px; height: 160px; border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(20,87,255,.14), rgba(20,87,255,0) 60%);
      pointer-events:none;
    }
    .step .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative; z-index:2;
    }
    .step .idx{
      width: 36px; height: 36px; border-radius: 14px;
      background: rgba(20,87,255,.10);
      border:1px solid rgba(20,87,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand3);
      font-weight: 900;
    }
    .step h3{
      margin: 10px 0 6px;
      font-size: 15px;
      letter-spacing: -0.2px;
      position:relative; z-index:2;
    }
    .step p{
      margin:0;
      font-size: 13.2px;
      color: var(--muted);
      line-height:1.65;
      position:relative; z-index:2;
    }
    .compare{
      border-radius: var(--radius);
      border: 1px solid rgba(231,235,247,.95);
      overflow:hidden;
      background: #fff;
      box-shadow: 0 10px 30px rgba(13,56,125,.06);
    }
    .compare-top{
      padding: 16px;
      background:
        radial-gradient(520px 180px at 10% 0%, rgba(20,87,255,.18), rgba(20,87,255,0) 60%),
        linear-gradient(180deg, rgba(246,248,255,.95), rgba(255,255,255,1));
      border-bottom: 1px solid rgba(231,235,247,.95);
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px; flex-wrap:wrap;
    }
    .rating{
      display:flex; gap: 12px; align-items:center;
    }
    .star-wrap{
      width: 56px; height: 56px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(20,87,255,.12), rgba(24,166,255,.10));
      border:1px solid rgba(20,87,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 16px 45px rgba(20,87,255,.14);
    }
    .rating .score{
      display:flex; flex-direction:column;
      line-height:1.1;
    }
    .rating .score strong{
      font-size: 22px;
      letter-spacing: -0.4px;
      color: var(--brand3);
    }
    .rating .score span{color: var(--muted); font-size: 13px; margin-top:6px}
    .compare h3{margin:0; font-size: 15px; color: var(--brand3)}
    .compare p{margin:8px 0 0; color: var(--muted); font-size: 13.5px; line-height:1.6}
    .table-wrap{overflow:auto}
    table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      min-width: 760px;
      font-size: 13.5px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(231,235,247,.95);
      vertical-align: top;
    }
    th{
      text-align:left;
      color: var(--muted2);
      font-weight: 800;
      background: rgba(246,248,255,.8);
      border-bottom: 1px solid rgba(20,87,255,.12);
    }
    tr:last-child td{border-bottom: 0}
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.9);
      color: var(--muted);
      font-weight: 700;
      font-size: 12px;
      white-space:nowrap;
    }
    .tag.good{
      border-color: rgba(22,163,74,.22);
      background: rgba(22,163,74,.10);
      color: #0b5f2a;
    }
    .tag.mid{
      border-color: rgba(245,158,11,.22);
      background: rgba(245,158,11,.10);
      color: #7a4b03;
    }
    .tag.low{
      border-color: rgba(239,68,68,.22);
      background: rgba(239,68,68,.10);
      color: #7f1d1d;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }

    .timeline{
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: #fff;
      padding: 16px;
      box-shadow: 0 10px 30px rgba(13,56,125,.06);
    }
    .timeline .row{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(231,235,247,.95);
    }
    .timeline .row:last-child{border-bottom:0}
    .timeline .t-dot{
      width: 12px; height: 12px; border-radius: 50%;
      background: linear-gradient(135deg, var(--brand), var(--accent));
      margin-top: 7px;
      box-shadow: 0 12px 28px rgba(20,87,255,.25);
      flex:0 0 auto;
    }
    .timeline .t-body strong{display:block; font-size: 14px; color: var(--brand3)}
    .timeline .t-body span{display:block; margin-top:4px; color: var(--muted); font-size: 13px; line-height:1.6}

    .gallery{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
    }
    .gallery figure{
      margin:0;
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.92);
      overflow:hidden;
      box-shadow: 0 10px 25px rgba(13,56,125,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;
      flex-direction:column;
    }
    .gallery figure:hover{
      transform: translateY(-2px);
      border-color: rgba(20,87,255,.25);
      box-shadow: 0 16px 45px rgba(13,56,125,.10);
    }
    .media{
      padding: 12px;
      background: linear-gradient(180deg, rgba(246,248,255,.9), rgba(255,255,255,1));
    }
    .media img{
      width:100%;
      max-width: 100%;
      height:auto;
      display:block;
      border-radius: 12px;
      border:1px solid rgba(231,235,247,.95);
      object-fit: contain;
      aspect-ratio: 4 / 3;
      background: #f8faff;
    }
    .gallery figcaption{
      padding: 12px 14px 14px;
    }
    .gallery figcaption strong{display:block; font-size: 14px}
    .gallery figcaption span{display:block; margin-top:6px; color: var(--muted); font-size: 13px; line-height:1.55}

    .article-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .article{
      padding: 14px;
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: #fff;
      box-shadow: 0 10px 25px rgba(13,56,125,.05);
      transition: transform .2s ease, border-color .2s ease;
    }
    .article:hover{transform: translateY(-2px); border-color: rgba(20,87,255,.25)}
    .article .meta{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .article .meta span{
      color: var(--muted2);
      font-size: 12.5px;
      font-weight: 700;
      background: rgba(20,87,255,.08);
      border: 1px solid rgba(20,87,255,.14);
      padding: 7px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .article h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-0.2px;
      line-height:1.4;
    }
    .article p{
      margin: 8px 0 12px;
      color: var(--muted);
      font-size: 13.2px;
      line-height:1.7;
      max-width: 62ch;
    }
    .article a{
      text-decoration:none;
      color: var(--brand3);
      font-weight: 800;
      display:inline-flex; align-items:center; gap:8px;
    }
    .article a .arr{
      width: 22px; height: 22px; border-radius: 8px;
      border:1px solid rgba(20,87,255,.18);
      background: rgba(20,87,255,.08);
      display:inline-flex; align-items:center; justify-content:center;
      color: var(--brand3);
      transition: transform .18s ease;
    }
    .article:hover a .arr{transform: translateX(2px)}

    .accordion{
      display:flex; flex-direction:column; gap: 10px;
    }
    .acc-item{
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.92);
      overflow:hidden;
      box-shadow: 0 10px 25px rgba(13,56,125,.05);
    }
    .acc-btn{
      width:100%;
      background: transparent;
      border:0;
      cursor:pointer;
      padding: 14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      text-align:left;
    }
    .acc-btn strong{
      font-size: 14px;
      color: var(--brand3);
      letter-spacing:-0.15px;
    }
    .acc-btn span{
      width: 34px; height: 34px;
      border-radius: 12px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(246,248,255,.9);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand3);
      font-weight: 900;
      flex:0 0 auto;
      transition: transform .2s ease, background .2s ease;
    }
    .acc-item[data-open="true"] .acc-btn span{transform: rotate(45deg); background: rgba(20,87,255,.10); border-color: rgba(20,87,255,.22)}
    .acc-panel{
      max-height: 0;
      overflow:hidden;
      transition: max-height .28s ease;
    }
    .acc-body{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: #fff;
      padding: 16px;
      box-shadow: 0 10px 25px rgba(13,56,125,.05);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      min-height: 168px;
      display:flex; flex-direction:column; gap: 10px;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(20,87,255,.25);
      box-shadow: 0 16px 45px rgba(13,56,125,.10);
    }
    .review .who{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width: 40px; height: 40px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(20,87,255,.16), rgba(24,166,255,.10));
      border:1px solid rgba(20,87,255,.20);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand3);
      font-weight: 950;
      letter-spacing: -0.4px;
      flex:0 0 auto;
    }
    .review .who strong{font-size: 14px}
    .review .who span{display:block; color: var(--muted2); font-size: 12.5px; margin-top:6px}
    .review .text{
      margin:0;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.75;
    }
    .review .k{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap: 8px;
    }
    .mini{
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(246,248,255,.88);
      color: var(--muted);
      font-weight: 750;
      white-space:nowrap;
    }

    .form{
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,1));
      box-shadow: 0 10px 30px rgba(13,56,125,.06);
      padding: 16px;
    }
    form{margin-top: 12px}
    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 10px;
    }
    .field{
      display:flex; flex-direction:column; gap: 7px;
    }
    label{
      font-size: 13px; color: var(--muted2); font-weight: 800;
    }
    input, select, textarea{
      width:100%;
      padding: 11px 12px;
      border-radius: 12px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(246,248,255,.6);
      outline: none;
      color: var(--text);
      font-size: 14px;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    textarea{min-height: 96px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(20,87,255,.35);
      box-shadow: 0 0 0 4px rgba(20,87,255,.12);
      background: rgba(255,255,255,.9);
    }
    .form-grid .span2{grid-column: span 2}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-top: 12px;
      flex-wrap:wrap;
    }
    .hint{
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
    }
    .form-toast{
      display:none;
      margin-top: 10px;
      padding: 12px 12px;
      border-radius: 14px;
      background: rgba(22,163,74,.10);
      border:1px solid rgba(22,163,74,.22);
      color:#0b5f2a;
      font-weight: 800;
      font-size: 13.2px;
    }

    footer{
      background: linear-gradient(180deg, rgba(246,248,255,1), rgba(255,255,255,1));
      border-top: 1px solid rgba(231,235,247,.95);
      padding: 18px 0 26px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr;
      gap: 12px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.85);
      padding: 16px;
      box-shadow: 0 10px 25px rgba(13,56,125,.05);
    }
    .footer-card h3{
      margin:0;
      font-size: 15px;
      color: var(--brand3);
    }
    .footer-card p{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13.4px;
      line-height:1.8;
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 12px;
    }
    .footer-links a{
      text-decoration:none;
      color: var(--brand3);
      font-weight: 800;
      font-size: 13px;
      padding: 8px 10px;
      border-radius: 12px;
      border:1px solid rgba(20,87,255,.18);
      background: rgba(20,87,255,.08);
      transition: transform .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{transform: translateY(-1px); background: rgba(20,87,255,.12)}
    .copyright{
      margin-top: 14px;
      color: var(--muted2);
      font-size: 12.5px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      flex-wrap:wrap;
    }
    .foot-right{
      display:flex; flex-direction:column; gap: 12px;
    }
    .wechat-box{
      display:flex; gap: 12px; align-items:flex-start;
    }
    .wechat-box img{
      width: 86px; height: 86px;
      border-radius: 18px;
      border:1px solid rgba(231,235,247,.95);
      background:#fff;
      object-fit:cover;
    }
    .wechat-box .txt strong{display:block; font-size: 14px}
    .wechat-box .txt span{display:block; margin-top:6px; color: var(--muted); font-size: 13px; line-height:1.6}
    .kv{
      display:flex; flex-direction:column; gap: 10px;
    }
    .kv .item{
      border-radius: var(--radius2);
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.85);
      padding: 12px;
    }
    .kv .item strong{display:block; font-size: 13.5px; color: var(--brand3)}
    .kv .item a, .kv .item span{
      display:block; margin-top:6px;
      color: var(--muted);
      font-size: 13.2px;
      text-decoration:none;
      font-weight: 750;
      line-height:1.6;
    }
    .kv .item a:hover{color: var(--brand3)}

    .float-customer{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 60;
      display:flex; flex-direction:column; gap: 10px; align-items:flex-end;
      pointer-events:none;
    }
    .float-customer .tip{
      pointer-events:auto;
      max-width: 260px;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.9);
      border:1px solid rgba(231,235,247,.95);
      box-shadow: 0 18px 45px rgba(13,56,125,.18);
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
      transform: translateY(10px);
      opacity:0;
      transition: opacity .25s ease, transform .25s ease;
    }
    .float-customer.show .tip{
      opacity:1; transform: translateY(0);
    }
    .float-customer .fab{
      pointer-events:auto;
      width: 46px; height: 46px;
      border-radius: 18px;
      border:1px solid rgba(255,255,255,.25);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow: 0 22px 55px rgba(20,87,255,.35);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .float-customer .fab:before{
      content:"";
      position:absolute; inset:-2px;
      background: linear-gradient(110deg, rgba(255,255,255,0), rgba(255,255,255,.65), rgba(255,255,255,0));
      transform: translateX(-80%);
      opacity:.55;
      animation: fabSweep 3.8s ease-in-out infinite;
      pointer-events:none;
    }
    @keyframes fabSweep{
      0%,35%{transform: translateX(-75%)}
      60%{transform: translateX(20%)}
      100%{transform: translateX(70%)}
    }
    .float-customer .fab:hover{transform: translateY(-2px)}
    .float-panel{
      pointer-events:auto;
      width: min(320px, calc(100vw - 28px));
      border-radius: 18px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.92);
      box-shadow: 0 22px 65px rgba(13,56,125,.22);
      overflow:hidden;
      display:none;
    }
    .float-panel.open{display:block}
    .float-panel .top{
      padding: 12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      background: linear-gradient(180deg, rgba(246,248,255,.92), rgba(255,255,255,1));
      border-bottom: 1px solid rgba(231,235,247,.95);
    }
    .float-panel .top strong{color: var(--brand3); font-size: 13.5px}
    .xbtn{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(246,248,255,.95);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      font-weight: 900; color: var(--brand3);
      transition: transform .18s ease, background .18s ease;
    }
    .xbtn:hover{transform: translateY(-1px); background:#fff}
    .float-panel .body{
      padding: 12px;
      display:flex; gap: 12px; align-items:flex-start;
    }
    .float-panel .body img{
      width: 92px; height: 92px; border-radius: 18px;
      border:1px solid rgba(231,235,247,.95);
      background:#fff; object-fit:cover;
    }
    .float-panel .body .btxt strong{display:block; font-size: 14px}
    .float-panel .body .btxt span{display:block; margin-top:6px; color: var(--muted); font-size: 13px; line-height:1.6}
    .float-panel .actions{
      padding: 0 12px 12px;
      display:flex; gap: 10px; flex-wrap:wrap;
    }
    .mini-btn{
      flex:1 1 auto;
      min-width: 120px;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,87,255,.18);
      background: rgba(20,87,255,.08);
      color: var(--brand3);
      text-decoration:none;
      font-weight: 900;
      font-size: 13px;
      display:flex; align-items:center; justify-content:center; gap: 10px;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    .mini-btn:hover{transform: translateY(-1px); background: rgba(20,87,255,.12); border-color: rgba(20,87,255,.26)}

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

    .backtop{
      position: fixed;
      right: 14px;
      bottom: 72px;
      z-index: 55;
      width: 44px;
      height: 44px;
      border-radius: 18px;
      border:1px solid rgba(231,235,247,.95);
      background: rgba(255,255,255,.9);
      box-shadow: 0 18px 45px rgba(13,56,125,.12);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      color: var(--brand3);
      opacity:0;
      pointer-events:none;
      transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease, background .2s ease;
    }
    .backtop.show{
      opacity:1;
      pointer-events:auto;
      transform: translateY(0);
      background:#fff;
    }
    .backtop:hover{background:#fff}
    .sr-only{
      position:absolute;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0);
      border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-card, .side-card{min-height: unset}
      .hero-meta{grid-template-columns: 1fr; }
      .grid-3{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .two-col{grid-template-columns: 1fr}
      .gallery{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .nav-links{display:none}
      .burger{display:block}
      .mobile-panel{display:block}
      .mobile-panel.is-open{display:block}
      .mobile-panel{padding-top: 0}
      .mobile-panel .stack{margin-top: 8px}
      .float-customer .tip{display:none}
      .form-grid{grid-template-columns: 1fr}
      .form-grid .span2{grid-column: auto}
    }