:root{
      --bg0:#f7fafb;
      --bg1:#f2fbff;
      --card:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --muted2:#6b7280;
      --border:rgba(15,23,42,.10);
      --shadow: 0 18px 40px rgba(2, 132, 199, .10);
      --shadow2: 0 10px 26px rgba(15,23,42,.08);
      --brand1:#06b6d4;
      --brand2:#0ea5e9;
      --brand3:#22c55e;
      --accent:#0b4c6b;
      --ring: rgba(14,165,233,.25);
      --grad: linear-gradient(120deg, rgba(6,182,212,.18) 0%, rgba(14,165,233,.12) 35%, rgba(34,197,94,.10) 100%);
      --grad2: linear-gradient(135deg, rgba(6,182,212,.95) 0%, rgba(14,165,233,.95) 35%, rgba(34,197,94,.75) 100%);
      --btn: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 40%, #22c55e 100%);
      --btn2: linear-gradient(135deg, rgba(6,182,212,.18) 0%, rgba(14,165,233,.12) 100%);
      --radius: 16px;
      --radius2: 22px;
      --container: 1120px;
    }
    *{ box-sizing:border-box; }
    html,body{ height:100%; }
    body{
      margin:0;
      color:var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        radial-gradient(1200px 700px at 14% -10%, rgba(14,165,233,.22), transparent 60%),
        radial-gradient(1000px 600px at 86% 6%, rgba(6,182,212,.18), transparent 55%),
        radial-gradient(900px 650px at 50% 104%, rgba(34,197,94,.13), transparent 55%),
        linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 55%, #ffffff 100%);
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .skip{
      position:absolute; left:-9999px; top:auto;
      width:1px; height:1px; overflow:hidden;
    }
    .skip: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(--shadow2);
    }
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(10px);
      background: rgba(247,250,251,.68);
      border-bottom: 1px solid rgba(15,23,42,.06);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width: 220px;
    }
    .ai-page-logo{
      width:38px; height:38px; border-radius:12px;
      background: var(--btn2);
      box-shadow: 0 10px 26px rgba(14,165,233,.12);
      flex:0 0 auto;
      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);
      margin-top:4px;
      white-space:nowrap;
    }
    nav{
      display:flex; align-items:center; gap:14px;
    }
    .menu{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .menu a{
      font-size:13px;
      color:rgba(15,23,42,.84);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      transform: translateY(-1px);
      background: rgba(14,165,233,.08);
      border-color: rgba(14,165,233,.18);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      color:rgba(15,23,42,.92);
      font-size:13px;
      font-weight:700;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      box-shadow: 0 8px 20px rgba(15,23,42,.06);
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(14,165,233,.12);
      border-color: rgba(14,165,233,.28);
    }
    .btn-primary{
      border-color: rgba(6,182,212,.35);
      background: var(--btn);
      color:#06202a;
      box-shadow: 0 20px 45px rgba(14,165,233,.20);
    }
    .btn-primary:hover{
      box-shadow: 0 26px 60px rgba(14,165,233,.25);
      border-color: rgba(6,182,212,.48);
    }
    .btn-ghost{
      background: rgba(14,165,233,.08);
      border-color: rgba(14,165,233,.18);
      box-shadow:none;
    }
    .btn-ghost:hover{ background: rgba(14,165,233,.12); box-shadow: 0 14px 28px rgba(14,165,233,.12); }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .menu-toggle{
      display:none;
      border-radius:14px;
      padding:10px 12px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.85);
      box-shadow: 0 10px 26px rgba(15,23,42,.06);
      cursor:pointer;
    }
    .menu-toggle svg{ display:block; }
    .mobile-panel{
      display:none;
      padding:12px 0 16px;
    }
    .mobile-panel .menu{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      justify-items:stretch;
    }
    .mobile-panel .menu a{
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.75);
      text-align:center;
    }
    .hero{
      padding:34px 0 24px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: var(--radius2);
      padding:22px 22px 18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.76) 0%, rgba(255,255,255,.62) 100%),
        var(--grad);
      border: 1px solid rgba(14,165,233,.18);
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
      min-height: 360px;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-140px -160px auto auto;
      width:420px; height:420px;
      background: radial-gradient(circle at 30% 30%, rgba(14,165,233,.34), transparent 60%);
      transform: rotate(10deg);
      pointer-events:none;
    }
    .hero-left:after{
      content:"";
      position:absolute; inset:auto auto -180px -200px;
      width:520px; height:520px;
      background: radial-gradient(circle at 55% 40%, rgba(34,197,94,.22), transparent 60%);
      pointer-events:none;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(14,165,233,.20);
      background: rgba(255,255,255,.7);
      color: rgba(11,76,107,.95);
      font-weight:800;
      font-size:12px;
      position:relative;
      z-index:1;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--grad2);
      box-shadow: 0 0 0 6px rgba(14,165,233,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size: 34px;
      line-height:1.15;
      letter-spacing:-.6px;
      position:relative;
      z-index:1;
    }
    .hero-sub{
      margin:0;
      color: var(--muted);
      font-size:15px;
      line-height:1.7;
      position:relative;
      z-index:1;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
      position:relative;
      z-index:1;
    }
    .hero-meta{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
      position:relative;
      z-index:1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(15,23,42,.08);
      color: rgba(15,23,42,.86);
      min-width: 210px;
    }
    .pill strong{ font-size:13px; }
    .pill span{
      font-size:12px; color:var(--muted2);
      display:block; margin-top:2px;
    }
    .spark{
      width:28px; height:28px; border-radius:12px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .hero-right{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .metric{
      background: rgba(255,255,255,.74);
      border: 1px solid rgba(15,23,42,.08);
      border-radius: var(--radius);
      padding:14px 14px 12px;
      box-shadow: 0 10px 26px rgba(15,23,42,.05);
      position:relative;
      overflow:hidden;
      transform: translateZ(0);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.22);
      box-shadow: 0 18px 40px rgba(14,165,233,.14);
    }
    .metric:before{
      content:"";
      position:absolute; inset:auto -40px -60px auto;
      width:140px; height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(14,165,233,.22), transparent 65%);
      pointer-events:none;
    }
    .metric .t{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative;
      z-index:1;
    }
    .metric .num{
      font-weight:900;
      font-size:22px;
      letter-spacing:-.4px;
    }
    .metric .lbl{
      margin-top:8px;
      color: var(--muted);
      font-size:12.5px;
      line-height:1.45;
      position:relative;
      z-index:1;
      min-height: 34px;
    }
    .hero-tool{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(15,23,42,.08);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 10px 26px rgba(15,23,42,.05);
      position:relative;
      overflow:hidden;
    }
    .hero-tool:before{
      content:"";
      position:absolute; inset:-1px;
      background: linear-gradient(120deg, rgba(6,182,212,.22) 0%, rgba(14,165,233,.12) 35%, rgba(34,197,94,.10) 100%);
      opacity:.8;
      pointer-events:none;
      mask: linear-gradient(#000, transparent 70%);
    }
    .tool-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      position:relative; z-index:1;
    }
    .tool-title{
      display:flex; flex-direction:column; gap:6px;
    }
    .tool-title strong{ font-size:14.5px; letter-spacing:-.2px;}
    .tool-title span{ font-size:12.5px; color:var(--muted); line-height:1.5;}
    .step-mini{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      position:relative; z-index:1;
    }
    .mini-row{
      display:flex; align-items:flex-start; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
    }
    .mini-badge{
      width:26px; height:26px;
      border-radius:10px;
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.22);
      color: rgba(11,76,107,.95);
      flex:0 0 auto;
      margin-top:1px;
    }
    .mini-row strong{ font-size:13px; display:block; }
    .mini-row span{ font-size:12.5px; color:var(--muted); line-height:1.45; display:block; margin-top:4px;}
    section{ padding:26px 0; }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
      line-height:1.2;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width: 58ch;
    }
    .cards-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.08);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.22);
      box-shadow: 0 18px 40px rgba(14,165,233,.14);
    }
    .card .cap{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 10px;
      border-radius: 999px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.10);
      color: rgba(11,76,107,.95);
      font-weight:900;
      font-size:12px;
    }
    .card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
      line-height:1.25;
    }
    .card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.65;
    }
    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .list{
      margin:0;
      padding-left: 0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
    }
    .check{
      width:22px; height:22px; border-radius:9px;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li strong{ font-size:13.5px; display:block; }
    .li span{ font-size:12.5px; color:var(--muted); line-height:1.45; display:block; margin-top:4px; }
    .timeline{
      display:grid; gap:12px;
      padding:12px;
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
    }
    .trow{
      display:grid;
      grid-template-columns: 44px 1fr;
      gap:12px;
      align-items:start;
      padding:10px 10px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.66);
      border:1px solid rgba(15,23,42,.06);
      transition: transform .2s ease, border-color .2s ease;
    }
    .trow:hover{
      transform: translateY(-1px);
      border-color: rgba(14,165,233,.22);
    }
    .ticon{
      width:44px; height:44px;
      border-radius:16px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.20);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 12px 26px rgba(14,165,233,.10);
    }
    .trow strong{ font-size:14px; display:block; }
    .trow p{ margin:6px 0 0; color:var(--muted); font-size:12.8px; line-height:1.6;}
    .compare-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      overflow:hidden;
    }
    .compare-top{
      padding:14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      border-bottom: 1px solid rgba(15,23,42,.06);
      background: linear-gradient(120deg, rgba(14,165,233,.12), rgba(255,255,255,.78));
    }
    .stars{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
    }
    .star-num{
      font-size:13px; color:var(--muted);
    }
    .star-score{
      font-weight:950;
      font-size:18px;
      letter-spacing:-.2px;
    }
    .star-row svg{ margin-right:3px; }
    .compare-table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:auto;
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(15,23,42,.06);
      vertical-align:top;
      font-size:13.5px;
      line-height:1.55;
    }
    .compare-table th{
      text-align:left;
      background: rgba(255,255,255,.7);
      color: rgba(15,23,42,.9);
      font-weight:900;
      position:sticky;
      top:0;
      z-index:2;
    }
    .compare-table td{
      color: rgba(15,23,42,.84);
    }
    .td-muted{
      color: var(--muted);
    }
    .tagrow{
      display:flex; gap:8px; flex-wrap:wrap; align-items:center;
      margin-top:6px;
    }
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      color: rgba(15,23,42,.86);
      font-size:12.5px;
      white-space:nowrap;
    }
    .tag.good{
      border-color: rgba(14,165,233,.22);
      background: rgba(14,165,233,.10);
    }
    .tag.best{
      border-color: rgba(34,197,94,.26);
      background: rgba(34,197,94,.12);
    }
    .faq{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .faq-list{
      display:grid; gap:10px;
    }
    details{
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding:12px 14px;
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      transition: border-color .2s ease;
    }
    details[open]{
      border-color: rgba(14,165,233,.24);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      font-size:14.2px;
      padding:2px 0;
    }
    summary::-webkit-details-marker{ display:none; }
    .chev{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(14,165,233,.10);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, background .2s ease;
      flex:0 0 auto;
    }
    details[open] .chev{
      transform: rotate(180deg);
      background: rgba(14,165,233,.14);
    }
    .faq-answer{
      margin-top:10px;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .faq-side{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:16px;
      position:sticky;
      top:86px;
      overflow:hidden;
    }
    .faq-side:before{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(14,165,233,.30), transparent 65%);
      pointer-events:none;
    }
    .faq-side h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
      position:relative;
      z-index:1;
    }
    .faq-side p{
      margin:8px 0 12px;
      color:var(--muted);
      line-height:1.65;
      font-size:13.3px;
      position:relative;
      z-index:1;
    }
    .side-box{
      display:grid;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .side-stat{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px 12px;
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.68);
    }
    .side-stat strong{ font-size:13.5px; display:block; }
    .side-stat span{ font-size:12.5px; color:var(--muted); display:block; margin-top:4px; line-height:1.45;}
    .avatar{
      width:34px; height:34px; border-radius:14px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(11,76,107,.95);
      flex:0 0 auto;
    }
    .cases-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .case{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.08);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:14px;
      overflow:hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      display:flex;
      flex-direction:column;
      min-height: 180px;
    }
    .case:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.22);
      box-shadow: 0 18px 40px rgba(14,165,233,.14);
    }
    .case .top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:10px;
    }
    .case h3{
      margin:0;
      font-size:14.8px;
      letter-spacing:-.2px;
      line-height:1.3;
    }
    .case p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.65;
      flex:1 1 auto;
    }
    .case .meta{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:12px;
    }
    .contact-grid{
      display:grid;
      grid-template-columns: 1fr .95fr;
      gap:12px;
      align-items:start;
    }
    .form{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:16px;
      overflow:hidden;
    }
    .form h3{ margin:0; font-size:15.5px; letter-spacing:-.2px; }
    .form p{ margin:8px 0 14px; color:var(--muted); font-size:13.3px; line-height:1.65;}
    .fields{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    label{
      font-size:12.8px;
      color: rgba(15,23,42,.86);
      font-weight:800;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.9);
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    textarea{ min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(14,165,233,.45);
      box-shadow: 0 0 0 4px rgba(14,165,233,.15);
    }
    .form .actions{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
    }
    .small-note{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
      max-width: 44ch;
    }
    .side-contact{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:16px;
    }
    .side-contact h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .contact-list{
      margin-top:12px;
      display:grid; gap:10px;
    }
    .citem{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.68);
    }
    .citem strong{ display:block; font-size:13.5px; }
    .citem span{ display:block; font-size:12.6px; color:var(--muted); margin-top:5px; line-height:1.45;}
    .qrcode{
      width:110px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.86);
      padding:8px;
      flex:0 0 auto;
    }
    .qrcode img{ width:100%; height:auto; display:block; border-radius:12px; }
    .article-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .article{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:14px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      min-height: 170px;
      display:flex; flex-direction:column;
    }
    .article:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.22);
      box-shadow: 0 18px 40px rgba(14,165,233,.14);
    }
    .article .date{
      font-size:12.5px; color:var(--muted2);
      display:flex; align-items:center; gap:8px;
    }
    .article h3{
      margin:10px 0 0;
      font-size:14.8px; line-height:1.35; letter-spacing:-.2px;
    }
    .article p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.65;
      flex:1 1 auto;
    }
    .article a.linkline{
      margin-top:12px;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:900;
      color: rgba(11,76,107,.98);
      padding:9px 10px;
      border-radius:14px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.10);
      width: fit-content;
      transition: transform .15s ease, background .15s ease;
    }
    .article a.linkline:hover{
      transform: translateY(-1px);
      background: rgba(14,165,233,.14);
    }
    .tagcloud{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:14px;
      overflow:hidden;
    }
    .cloud-grid{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .cloud-grid a{
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.75);
      font-size:12.8px;
      color: rgba(15,23,42,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .cloud-grid a:hover{
      transform: translateY(-1px);
      border-color: rgba(14,165,233,.25);
      background: rgba(14,165,233,.10);
    }
    .rating-grid{
      display:grid; gap:12px;
      grid-template-columns: repeat(3, 1fr);
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:14px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      min-height: 176px;
      display:flex; flex-direction:column;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.22);
      box-shadow: 0 18px 40px rgba(14,165,233,.14);
    }
    .review .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .review .who{
      display:flex; gap:12px; align-items:flex-start;
    }
    .who .init{
      width:40px; height:40px; border-radius:16px;
      background: rgba(14,165,233,.12);
      border:1px solid rgba(14,165,233,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950; color: rgba(11,76,107,.98);
      flex:0 0 auto;
    }
    .who strong{ display:block; font-size:13.5px; }
    .who span{ display:block; margin-top:4px; font-size:12.6px; color:var(--muted); line-height:1.35;}
    .review .text{
      margin-top:12px;
      color:var(--muted);
      font-size:13.3px;
      line-height:1.75;
      flex:1 1 auto;
    }
    .review .stars{
      margin-top:10px;
      justify-content:flex-start;
    }
    .footer{
      margin-top:12px;
      padding:22px 0 26px;
      border-top: 1px solid rgba(15,23,42,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.62), rgba(255,255,255,.86));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.80);
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
      padding:16px;
    }
    .footer-card h3{ margin:0; font-size:15.5px; letter-spacing:-.2px; }
    .footer-card p{ margin:10px 0 0; color:var(--muted); font-size:13.3px; line-height:1.7;}
    .footer-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
    }
    .footer-links a{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.76);
      font-size:12.8px;
      color: rgba(15,23,42,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(14,165,233,.25);
      background: rgba(14,165,233,.10);
    }
    .copyright{
      margin-top:12px;
      color: var(--muted2);
      font-size:12.4px;
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
      align-items:center;
    }
    .mono{
      font-variant-numeric: tabular-nums;
      font-feature-settings: "tnum";
    }
    .to-top{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:80;
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 16px 34px rgba(15,23,42,.10);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      transform: translateY(8px);
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .to-top.show{
      opacity:1;
      transform: translateY(0);
      pointer-events:auto;
    }
    .float-kefu{
      position:fixed;
      right:16px;
      bottom:70px;
      z-index:80;
      width:52px; height:52px;
      border-radius:18px;
      border:1px solid rgba(14,165,233,.24);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 42px rgba(14,165,233,.18);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease;
    }
    .float-kefu:hover{ transform: translateY(-2px); }
    .toast{
      position:fixed;
      left:50%;
      top:74px;
      transform: translateX(-50%);
      z-index:120;
      background: rgba(15,23,42,.92);
      color:#fff;
      padding:10px 12px;
      border-radius:14px;
      font-size:13px;
      box-shadow: 0 20px 50px rgba(2,6,23,.28);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      border:1px solid rgba(255,255,255,.12);
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(0);
    }
    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }
    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-left{ min-height: auto; }
      .metric-grid{ grid-template-columns: 1fr 1fr; }
      .cards-3{ grid-template-columns: 1fr; }
      .split{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .faq-side{ position:relative; top:auto; }
      .cases-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .rating-grid{ grid-template-columns: 1fr; }
      .contact-grid{ grid-template-columns: 1fr; }
      .fields{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      .menu{ display:none; }
      .nav-cta .btn-ghost{ display:none; }
      .menu-toggle{ display:inline-flex; align-items:center; justify-content:center; }
      .mobile-panel.show{ display:block; }
    }
    @media (prefers-reduced-motion: reduce){
      *{ scroll-behavior:auto !important; transition:none !important; animation:none !important; }
      .reveal{ opacity:1; transform:none; }
    }
    .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;
    }