:root{
      --bg:#f6f8fc;
      --bg2:#eef2fb;
      --card:#ffffff;
      --text:#18202f;
      --muted:#5d6881;
      --line:#dde4f2;
      --brand:#5a5fe8;
      --brand2:#10b7a4;
      --accent:#f49b33;
      --shadow:0 18px 50px rgba(31,45,90,.10);
      --radius:22px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(90,95,232,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(16,183,164,.10), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f7f9ff 20%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:30;
      backdrop-filter: blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(221,228,242,.8);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain; border-radius:12px; background:#fff; box-shadow:0 8px 22px rgba(31,45,90,.08)}
    .brand strong{display:block; font-size:18px; letter-spacing:.4px}
    .brand span{display:block; color:var(--muted); font-size:12px; margin-top:2px}
    .nav-links{display:flex; flex-wrap:wrap; gap:6px; align-items:center; justify-content:flex-end}
    .nav-links a,.nav-links button{
      border:1px solid transparent; background:transparent; color:var(--text);
      padding:9px 12px; border-radius:999px; font-size:14px; cursor:pointer;
      transition:.25s ease;
    }
    .nav-links a:hover,.nav-links button:hover{background:#eef3ff; border-color:#dbe3fb; transform:translateY(-1px)}
    .nav-cta{background:linear-gradient(135deg,var(--brand),#7c6cff)!important; color:#fff!important; box-shadow:0 10px 24px rgba(90,95,232,.22)}
    .menu-toggle{display:none}
    .hero{
      position:relative; overflow:hidden;
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:stretch;
    }
    .hero-panel{
      background:
        linear-gradient(135deg, rgba(90,95,232,.98), rgba(16,183,164,.92));
      color:#fff;
      border-radius:32px;
      padding:34px;
      box-shadow:0 24px 60px rgba(49,65,148,.22);
      position:relative;
      overflow:hidden;
      min-height:360px;
    }
    .hero-panel::before,.hero-panel::after{
      content:""; position:absolute; border-radius:50%;
      background:radial-gradient(circle, rgba(255,255,255,.20), transparent 66%);
      pointer-events:none;
    }
    .hero-panel::before{width:280px;height:280px; right:-70px; top:-70px}
    .hero-panel::after{width:220px;height:220px; left:-90px; bottom:-90px}
    .eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:13px; letter-spacing:.3px; padding:8px 12px; border-radius:999px; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.18)}
    h1{margin:18px 0 12px; font-size:clamp(30px, 4.2vw, 54px); line-height:1.05}
    .hero p{margin:0; color:rgba(255,255,255,.9); line-height:1.8; font-size:16px; max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border-radius:14px; padding:13px 18px; font-weight:700; border:1px solid transparent;
      transition:.25s ease; cursor:pointer;
    }
    .btn-primary{background:#ffffff; color:#1b2750; box-shadow:0 12px 30px rgba(0,0,0,.14)}
    .btn-secondary{background:rgba(255,255,255,.10); color:#fff; border-color:rgba(255,255,255,.18)}
    .btn:hover{transform:translateY(-2px)}
    .hero-side{
      display:grid; gap:16px;
      grid-template-columns:1fr;
    }
    .glass-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(221,228,242,.9);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:20px;
      backdrop-filter:blur(10px);
    }
    .metric-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .metric{
      padding:16px; border-radius:18px; background:linear-gradient(180deg,#fff,#f7f9ff); border:1px solid #e3e9f4;
    }
    .metric strong{display:block; font-size:26px; color:#21304b}
    .metric span{font-size:13px; color:var(--muted)}
    .section{padding:22px 0}
    .section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:18px; margin-bottom:16px}
    .section-head h2{margin:0; font-size:clamp(22px, 2.6vw, 34px)}
    .section-head p{margin:0; color:var(--muted); max-width:72ch; line-height:1.8}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .card{
      background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
      box-shadow:var(--shadow); padding:20px; transition:.25s ease;
    }
    .card:hover{transform:translateY(-4px); box-shadow:0 22px 56px rgba(31,45,90,.14)}
    .tag{
      display:inline-flex; align-items:center; gap:6px; padding:7px 10px; border-radius:999px;
      background:#eef4ff; color:#3b57b7; font-size:12px; font-weight:700;
    }
    .list{margin:14px 0 0; padding:0; list-style:none; display:grid; gap:10px}
    .list li{display:flex; gap:10px; line-height:1.7; color:var(--text)}
    .list li::before{content:""; width:8px; height:8px; border-radius:50%; margin-top:.58em; background:linear-gradient(135deg,var(--brand),var(--brand2)); flex:0 0 auto}
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .step-num{font-size:13px; font-weight:800; color:#fff; width:34px; height:34px; display:inline-grid; place-items:center; border-radius:12px; background:linear-gradient(135deg,var(--brand),var(--brand2))}
    .compare-wrap{overflow:auto}
    table{width:100%; border-collapse:separate; border-spacing:0; min-width:820px}
    th,td{padding:14px 14px; border-bottom:1px solid #e7edf8; text-align:left; vertical-align:top}
    th{background:#f7f9ff; font-size:14px}
    tr:hover td{background:#fbfcff}
    .rating{display:grid; gap:12px}
    .rating-box{background:linear-gradient(135deg,#1d2750,#5258e7); color:#fff; border-radius:24px; padding:22px}
    .rating-box strong{font-size:44px; line-height:1}
    .split{
      display:grid; grid-template-columns:1fr 1fr; gap:16px;
    }
    .faq-item{border:1px solid var(--line); border-radius:18px; overflow:hidden; background:#fff}
    .faq-q{
      width:100%; text-align:left; border:0; background:#fff; color:var(--text);
      padding:16px 18px; font-size:15px; font-weight:700; display:flex; align-items:center; justify-content:space-between; gap:14px; cursor:pointer;
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease; padding:0 18px}
    .faq-item.open .faq-a{max-height:220px; padding-bottom:16px}
    .faq-item.open .faq-q .icon{transform:rotate(45deg)}
    .icon{transition:.25s ease; font-size:22px; color:var(--brand)}
    .testimonial-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .quote{font-size:15px; line-height:1.8; color:var(--text)}
    .author{margin-top:14px; color:var(--muted); font-size:13px}
    .articles{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .article a{display:inline-flex; margin-top:14px; color:var(--brand); font-weight:700}
    .cloud{display:flex; flex-wrap:wrap; gap:10px}
    .cloud span{padding:9px 12px; border-radius:999px; background:#f2f5ff; border:1px solid #dfe6fb; color:#30406e; font-size:13px}
    .form{
      display:grid; grid-template-columns:repeat(2,1fr); gap:14px;
    }
    .field{display:grid; gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #d9e1ef; background:#fff; color:var(--text);
      border-radius:14px; padding:13px 14px; outline:none; font:inherit;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8aa0ff; box-shadow:0 0 0 4px rgba(90,95,232,.10)}
    .footer{
      margin-top:22px;
      background:#10182e; color:#dce4ff;
      padding:28px 0 18px;
    }
    .footer a{color:#fff}
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer small{color:#a9b6dc}
    .mini-links{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
    .mini-links a{padding:8px 10px; border-radius:10px; background:rgba(255,255,255,.08)}
    .float{
      position:fixed; right:16px; bottom:16px; z-index:40; display:grid; gap:10px;
    }
    .float a,.float button{
      width:52px; height:52px; border-radius:16px; border:0; cursor:pointer;
      display:grid; place-items:center; color:#fff; background:linear-gradient(135deg,var(--brand),var(--brand2));
      box-shadow:0 16px 30px rgba(34,49,107,.22);
    }
    .backtop{display:none}
    .modal{
      position:fixed; inset:0; background:rgba(10,16,30,.46); display:none; align-items:center; justify-content:center; z-index:50; padding:18px;
    }
    .modal.open{display:flex}
    .modal-card{width:min(420px,100%); background:#fff; border-radius:24px; padding:22px; box-shadow:0 26px 80px rgba(0,0,0,.25)}
    .modal-card img{width:100%; border-radius:18px; margin-top:12px}
    .section-slab{
      background:linear-gradient(180deg, rgba(255,255,255,.74), rgba(246,248,252,.92));
      border-top:1px solid rgba(221,228,242,.75);
      border-bottom:1px solid rgba(221,228,242,.75);
    }
    .mapgrid{display:grid; grid-template-columns:repeat(5,1fr); gap:12px}
    .mapgrid .card{padding:16px}
    .media-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .media-grid img{border-radius:20px; border:1px solid var(--line); box-shadow:var(--shadow); width:100%; height:auto}
    .scroll-note{font-size:13px; color:var(--muted); margin-top:8px}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.steps,.testimonial-grid,.articles,.footer-grid,.split,.mapgrid,.media-grid{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .menu-toggle{display:inline-flex}
      .nav-links{display:none; width:100%; padding-top:10px}
      .nav-links.open{display:flex}
      .nav{flex-wrap:wrap}
      .hero-grid,.grid-3,.grid-4,.steps,.testimonial-grid,.articles,.footer-grid,.split,.mapgrid,.media-grid{grid-template-columns:1fr}
      .hero-panel{padding:24px}
      .section-head{flex-direction:column; align-items:flex-start}
      .form{grid-template-columns:1fr}
    }
    .reveal{opacity:0; transform:translateY(14px); transition:.6s ease}
    .reveal.show{opacity:1; transform:none}