:root{
      --bg0:#ffffff;
      --bg1:#fff7f0;
      --bg2:#f5f7ff;
      --text:#111827;
      --muted:#5b6475;
      --muted2:#7b8497;
      --line:rgba(17,24,39,.10);
      --card:rgba(255,255,255,.78);
      --card2:#ffffff;
      --shadow: 0 14px 40px rgba(17,24,39,.10);
      --shadow2: 0 10px 25px rgba(17,24,39,.08);
      --accent:#e11d48;
      --accent2:#f97316;
      --accent3:#6366f1;
      --accent4:#06b6d4;
      --good:#16a34a;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius:18px;
      --radius2:14px;
      --container: 1120px;
      --pad: 18px;
      --focus: 0 0 0 4px rgba(225,29,72,.18);
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(249,115,22,.14), transparent 55%),
        radial-gradient(900px 600px at 85% 0%, rgba(99,102,241,.14), transparent 55%),
        radial-gradient(900px 600px at 70% 35%, rgba(225,29,72,.10), transparent 55%),
        linear-gradient(180deg, var(--bg1), var(--bg0) 35%, var(--bg2) 100%);
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      line-height:1.6;
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; z-index:9999; width:auto; height:auto;
      padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:12px;
      outline:none; box-shadow: var(--focus);
    }

    header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 210px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:14px;
      object-fit:contain;
      background: linear-gradient(135deg, rgba(225,29,72,.18), rgba(99,102,241,.10));
      border:1px solid rgba(17,24,39,.08);
      padding:6px;
    }
    .brand-title{
      display:flex; flex-direction:column; gap:2px;
    }
    .brand-title strong{
      font-size:14px; letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px; color:var(--muted);
    }

    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:rgba(17,24,39,.86);
      padding:10px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .15s ease, border-color .15s ease, transform .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(225,29,72,.06);
      border-color: rgba(225,29,72,.16);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
      margin-left:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      text-decoration:none;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.9);
      color:var(--text);
      font-weight:700;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(17,24,39,.10); border-color: rgba(17,24,39,.18)}
    .btn-primary{
      border-color: rgba(225,29,72,.22);
      background: linear-gradient(135deg, rgba(225,29,72,.96), rgba(249,115,22,.92));
      color:#fff;
      box-shadow: 0 16px 34px rgba(225,29,72,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 40px rgba(225,29,72,.22);
      border-color: rgba(255,255,255,.35);
      background: linear-gradient(135deg, rgba(225,29,72,1), rgba(249,115,22,1));
    }
    .btn-ghost{
      background: rgba(255,255,255,.75);
    }

    .menu-btn{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .menu-btn:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(17,24,39,.10)}
    .menu-btn:focus{outline:none; box-shadow: var(--focus)}
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; background: rgba(17,24,39,.86);
      border-radius:999px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .menu-open .hamburger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .menu-open .hamburger span:nth-child(2){opacity:0}
    .menu-open .hamburger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(17,24,39,.08);
      padding:12px 0 16px;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border:1px solid rgba(17,24,39,.10);
      border-radius:14px;
      background: rgba(255,255,255,.9);
      font-weight:700;
      font-size:13px;
    }

    main{padding-bottom:10px}
    .hero{
      padding:36px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(900px 360px at 20% 0%, rgba(225,29,72,.16), transparent 55%),
        radial-gradient(800px 320px at 85% 15%, rgba(99,102,241,.18), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
      box-shadow: var(--shadow2);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height: 340px;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(255,255,255,.0), rgba(255,255,255,.35), rgba(255,255,255,.0));
      transform: translateX(-60%) rotate(12deg);
      opacity:.55;
      pointer-events:none;
      animation: sheen 10s ease-in-out infinite;
    }
    @keyframes sheen{
      0%,35%{transform: translateX(-65%) rotate(12deg); opacity:.25}
      55%{opacity:.65}
      100%{transform: translateX(65%) rotate(12deg); opacity:.25}
    }

    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(225,29,72,.18);
      background: rgba(225,29,72,.06);
      font-weight:800;
      font-size:12px;
      color: rgba(160, 0, 32, .95);
      letter-spacing:.3px;
      margin-bottom:14px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 10px 22px rgba(225,29,72,.30);
    }

    h1{
      margin:0 0 10px;
      font-size:34px;
      line-height:1.15;
      letter-spacing:-.6px;
    }
    .hero-sub{
      color: var(--muted);
      font-size:14px;
      margin:0 0 16px;
      max-width: 60ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center;
      margin-top:16px;
    }
    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:16px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      font-weight:800;
      font-size:12px;
      color: rgba(17,24,39,.86);
    }
    .pill i{
      width:22px; height:22px; border-radius:8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(99,102,241,.14), rgba(6,182,212,.12));
      border:1px solid rgba(99,102,241,.20);
      color: rgba(48, 60, 150, .95);
      font-style:normal;
      font-size:12px;
      font-weight:900;
    }

    .hero-side{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.62);
      box-shadow: var(--shadow2);
      padding:18px;
      position:relative;
      overflow:hidden;
      min-height: 340px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .signal{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .signal .tag{
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.85);
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
    }
    .spark{
      width:78px; height:40px;
      border-radius:14px;
      background:
        radial-gradient(circle at 10% 30%, rgba(225,29,72,.25), transparent 45%),
        radial-gradient(circle at 70% 60%, rgba(99,102,241,.25), transparent 45%),
        linear-gradient(135deg, rgba(249,115,22,.20), rgba(6,182,212,.18));
      border:1px solid rgba(17,24,39,.08);
      position:relative;
      overflow:hidden;
    }
    .spark::before{
      content:"";
      position:absolute;
      left:-30%; top:18px;
      width:160%; height:2px;
      background: rgba(17,24,39,.55);
      transform: rotate(-10deg);
      opacity:.25;
    }
    .spark::after{
      content:"";
      position:absolute; inset:-30px;
      background: conic-gradient(from 180deg, rgba(225,29,72,.35), rgba(99,102,241,.35), rgba(6,182,212,.35), rgba(249,115,22,.35));
      filter: blur(10px);
      opacity:.35;
      animation: spin 7.5s linear infinite;
    }
    @keyframes spin{to{transform: rotate(360deg)}}

    .metric-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:6px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      padding:12px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(225,29,72,.20);
      box-shadow: 0 14px 34px rgba(17,24,39,.10);
    }
    .metric .num{
      font-size:22px;
      font-weight:1000;
      letter-spacing:-.6px;
    }
    .metric .label{
      font-size:12px; color:var(--muted);
      margin-top:6px;
      font-weight:700;
    }
    .metric .hint{
      font-size:11px; color:var(--muted2);
      margin-top:6px;
      font-weight:650;
    }

    .mini-note{
      margin-top:auto;
      border-radius:16px;
      border:1px dashed rgba(17,24,39,.18);
      background: rgba(255,255,255,.70);
      padding:12px;
      display:flex; gap:10px; align-items:flex-start;
    }
    .mini-note svg{flex:0 0 auto}
    .mini-note strong{display:block; font-size:13px}
    .mini-note span{display:block; font-size:12px; color:var(--muted); margin-top:4px}

    section{
      padding:26px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      max-width: 60ch;
    }
    .divider{
      height:1px; background: rgba(17,24,39,.08);
      margin:14px 0 0;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .grid-2{
      display:grid; grid-template-columns: repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
    }
    .card-hover{
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
    }
    .card-hover:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 45px rgba(17,24,39,.10);
      border-color: rgba(225,29,72,.18);
      background: rgba(255,255,255,.88);
    }
    .card h3{
      margin:10px 0 6px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .icon-badge{
      width:42px; height:42px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(225,29,72,.10), rgba(99,102,241,.08));
    }
    .icon-badge span{
      font-weight:1000;
      color: rgba(109, 40, 68, .95);
      font-size:14px;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
    }
    .step{
      position:relative;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(400px 120px at 20% 0%, rgba(225,29,72,.12), transparent 60%),
        rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute; right:-24px; top:-24px;
      width:70px; height:70px;
      border-radius:24px;
      background: radial-gradient(circle at 30% 30%, rgba(249,115,22,.34), transparent 55%);
      opacity:.8;
      transform: rotate(15deg);
    }
    .step .k{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
      position:relative;
      z-index:1;
    }
    .step .n{
      width:34px; height:34px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(17,24,39,.92);
      color:#fff;
      font-weight:1000;
      font-size:13px;
    }
    .step .t{
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.72);
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    .step h3{margin:0 0 8px; font-size:15px; position:relative; z-index:1}
    .step p{margin:0; color:var(--muted); font-size:13px; position:relative; z-index:1}

    .table-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .table-actions{
      display:flex; gap:10px; align-items:center; justify-content:flex-start;
      padding:12px 14px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
    }
    .seg{
      display:flex; gap:8px; align-items:center;
      flex-wrap:wrap;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      font-size:12px; font-weight:900;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
    }
    .chip:hover{transform: translateY(-1px); border-color: rgba(225,29,72,.18)}
    .chip[aria-pressed="true"]{
      background: rgba(225,29,72,.10);
      border-color: rgba(225,29,72,.24);
      color: rgba(152, 0, 34, .98);
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 880px;
    }
    th,td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      text-align:left;
      vertical-align:top;
      font-size:13px;
    }
    th{
      background: rgba(255,255,255,.88);
      color: rgba(17,24,39,.86);
      font-weight:1000;
    }
    .td-muted{color:var(--muted)}
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      font-weight:1000;
      font-size:12px;
      white-space:nowrap;
    }
    .badge.good{
      border-color: rgba(22,163,74,.22);
      background: rgba(22,163,74,.08);
      color: rgba(16, 110, 52, .98);
    }
    .badge.hot{
      border-color: rgba(225,29,72,.22);
      background: rgba(225,29,72,.10);
      color: rgba(160, 0, 32, .98);
    }
    .badge.neutral{
      border-color: rgba(99,102,241,.22);
      background: rgba(99,102,241,.10);
      color: rgba(51, 59, 165, .98);
    }
    .table-outer{
      overflow:auto;
      -webkit-overflow-scrolling:touch;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .faq details{
      padding:0;
      border-top:1px solid rgba(17,24,39,.08);
    }
    .faq details:first-child{border-top:none}
    .faq summary{
      list-style:none;
      cursor:pointer;
      padding:14px 14px;
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      font-weight:950;
      font-size:13px;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary .q{
      flex:1;
    }
    .chev{
      width:22px; height:22px; border-radius:10px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transform: rotate(0deg);
      transition: transform .2s ease;
      margin-top:1px;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq .ans{
      padding:0 14px 14px;
      color: var(--muted);
      font-size:13px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(500px 150px at 20% 0%, rgba(99,102,241,.12), transparent 60%),
        rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
      display:flex; flex-direction:column; gap:10px;
      min-height: 220px;
    }
    .review .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(225,29,72,.16), rgba(6,182,212,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:1000; color: rgba(17,24,39,.85);
      flex:0 0 auto;
    }
    .stars{
      display:flex; gap:3px; align-items:center;
      color: rgba(245,158,11,.95);
      font-size:12px;
      font-weight:1000;
    }
    .review h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .review .role{
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      margin-top:2px;
    }
    .review p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .review .meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tag-mini{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      font-size:12px;
      font-weight:900;
      color: rgba(17,24,39,.80);
    }

    .cases{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .case{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
      display:flex; flex-direction:column; gap:10px;
      min-height: 250px;
    }
    .case .case-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .case .type{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(225,29,72,.20);
      background: rgba(225,29,72,.08);
      font-weight:1000;
      font-size:12px;
      color: rgba(152, 0, 34, .98);
      white-space:nowrap;
    }
    .case h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .case p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .case .list{
      margin:0;
      padding-left:16px;
      color:var(--muted);
      font-size:13px;
    }
    .case .list li{margin:6px 0}
    .case .btn-row{
      margin-top:auto;
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .article-list{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .article-list .head{
      padding:14px 14px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .article-list .head strong{
      font-size:14px; letter-spacing:-.2px;
    }
    .article-list .head span{
      color:var(--muted); font-size:12px; font-weight:800;
    }
    .article-list ul{
      margin:0; padding:10px;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      padding:12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      border-color: rgba(99,102,241,.22);
      box-shadow: 0 16px 40px rgba(17,24,39,.10);
    }
    .article-item a{
      text-decoration:none;
      display:block;
      font-weight:1000;
      font-size:13px;
    }
    .article-item .meta{
      color:var(--muted);
      font-size:12px; font-weight:800;
      margin-top:4px;
    }
    .article-item .go{
      flex:0 0 auto;
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(17,24,39,.82);
    }

    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(900px 340px at 20% 0%, rgba(225,29,72,.13), transparent 55%),
        radial-gradient(600px 260px at 90% 0%, rgba(6,182,212,.13), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .form-card .form-head{
      padding:16px 16px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .form-card .form-head h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .form-card .form-head p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:13px;
      max-width: 60ch;
    }
    form{
      padding:16px;
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12px;
      font-weight:950;
      color: rgba(17,24,39,.86);
    }
    input,select,textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.86);
      color: var(--text);
      font-size:13px;
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus,select:focus,textarea:focus{box-shadow: var(--focus); border-color: rgba(225,29,72,.22)}
    .span-2{grid-column: span 2}
    .form-foot{
      grid-column: span 2;
      display:flex; gap:12px; align-items:center; justify-content:space-between;
      margin-top:2px;
    }
    .help-text{
      color: var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .small-link{
      color: rgba(225,29,72,.98);
      text-decoration:none;
      font-weight:1000;
      border-bottom:1px solid rgba(225,29,72,.25);
    }
    .small-link:hover{opacity:.9}

    footer{
      margin-top:20px;
      border-top:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
    }
    .footer-wrap{
      padding:18px 0 22px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
    }
    .footer-card h3{
      margin:0 0 10px;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .footer-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .footer-links{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      text-decoration:none;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.84);
      font-size:12px;
      font-weight:950;
      color: rgba(17,24,39,.82);
      transition: transform .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{transform: translateY(-2px); border-color: rgba(225,29,72,.20)}
    .copyright{
      padding:12px 0 22px;
      color: var(--muted);
      font-size:12px;
      font-weight:800;
      text-align:center;
    }

    .float-kf{
      position:fixed;
      right:14px; bottom:14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .kf-btn{
      width:52px; height:52px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 50px rgba(17,24,39,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .kf-btn:hover{transform: translateY(-3px); box-shadow: 0 22px 70px rgba(17,24,39,.16)}
    .kf-pop{
      width: 260px;
      border-radius: 20px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 22px 70px rgba(17,24,39,.16);
      overflow:hidden;
      transform-origin: 100% 100%;
      animation: pop .16s ease-out;
    }
    @keyframes pop{
      from{transform: scale(.98); opacity:.0}
      to{transform: scale(1); opacity:1}
    }
    .kf-pop .top{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(135deg, rgba(225,29,72,.12), rgba(99,102,241,.10));
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .kf-pop .top strong{font-size:13px; letter-spacing:-.2px}
    .kf-pop .top span{display:block; margin-top:4px; color:var(--muted); font-size:12px; font-weight:800}
    .close-x{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.85);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(17,24,39,.78);
    }
    .kf-pop .body{
      padding:12px;
      display:flex; gap:12px; align-items:center;
    }
    .qr{
      width:88px; height:88px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: #fff;
      overflow:hidden;
      display:flex; align-items:center; justify-content:center;
    }
    .qr img{width:100%; height:100%; object-fit:cover}
    .kf-pop .body .info{
      flex:1;
      display:flex; flex-direction:column; gap:8px;
    }
    .kf-pop .body .info a{
      text-decoration:none;
      font-weight:1000;
      font-size:13px;
      color: rgba(225,29,72,.98);
      border-bottom:1px solid rgba(225,29,72,.25);
      width:fit-content;
    }
    .kf-pop .body .info .m{
      color:var(--muted);
      font-size:12px; font-weight:850;
    }

    .to-top{
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 50px rgba(17,24,39,.12);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, box-shadow .15s ease;
      font-weight:1000;
      color: rgba(17,24,39,.78);
    }
    .to-top:hover{transform: translateY(-3px); box-shadow: 0 22px 70px rgba(17,24,39,.16)}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .45s ease, transform .45s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .cloud{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      font-size:12px;
      font-weight:950;
      color: rgba(17,24,39,.82);
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .tline-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
      padding:16px;
    }
    .tline{
      margin-top:10px;
      display:flex; flex-direction:column; gap:12px;
    }
    .titem{
      display:flex; gap:12px; align-items:flex-start;
    }
    .titem .b{
      width:36px; height:36px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(249,115,22,.12), rgba(6,182,212,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      flex:0 0 auto;
    }
    .titem strong{
      display:block;
      font-size:13px;
      letter-spacing:-.2px;
    }
    .titem span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-card,.hero-side{min-height: unset}
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2, minmax(0,1fr));}
      .faq-grid{grid-template-columns: 1fr;}
      .reviews{grid-template-columns: 1fr; }
      .cases{grid-template-columns: 1fr;}
      .articles{grid-template-columns: 1fr;}
      .timeline{grid-template-columns: 1fr;}
      form{grid-template-columns: 1fr}
      .span-2{grid-column: span 1}
      .form-foot{grid-column: span 1; flex-direction:column; align-items:flex-start}
      .footer-wrap{grid-template-columns: 1fr}
      table{min-width: 760px}
    }
    @media (max-width: 780px){
      .nav-links, .nav-cta{display:none}
      .menu-btn{display:flex}
      .mobile-panel{display:block}
      .hero{padding-top:22px}
      h1{font-size:28px}
      .metric-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
    }