:root{
      --bg:#f7f9fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#142033;
      --muted:#5d6b84;
      --line:#dbe4f2;
      --primary:#6c5ce7;
      --primary2:#00c2ff;
      --accent:#ff7ab6;
      --good:#1eaf72;
      --shadow:0 18px 45px rgba(31, 49, 86, .10);
      --radius:22px;
      --container:1180px;
    }
    *{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(108,92,231,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(0,194,255,.10), transparent 26%),
        linear-gradient(180deg, #fdfefe 0%, var(--bg) 58%, #f4f7fc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(247,249,252,.82);
      border-bottom:1px solid rgba(219,228,242,.85);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      min-height:74px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand .logo-wrap{
      width:44px; height:44px; border-radius:14px; overflow:hidden;
      background:linear-gradient(135deg, rgba(108,92,231,.12), rgba(0,194,255,.14));
      border:1px solid rgba(108,92,231,.18);
      box-shadow:0 10px 24px rgba(108,92,231,.08);
      flex:0 0 auto;
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-text strong{font-size:16px; letter-spacing:.5px}
    .brand-text span{font-size:12px; color:var(--muted)}
    .nav-links{display:flex; gap:18px; align-items:center; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px; color:var(--muted); padding:10px 0; position:relative}
    .nav-links a::after{
      content:""; position:absolute; left:0; bottom:5px; width:0; height:2px;
      background:linear-gradient(90deg,var(--primary),var(--primary2)); transition:.25s ease;
    }
    .nav-links a:hover{color:var(--text)}
    .nav-links a:hover::after{width:100%}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:12px 16px; border-radius:14px; border:1px solid transparent;
      font-weight:600; font-size:14px; transition:.25s ease; cursor:pointer;
      box-shadow:none;
    }
    .btn-primary{
      color:#fff; background:linear-gradient(135deg,var(--primary),var(--primary2));
      box-shadow:0 12px 24px rgba(108,92,231,.22);
    }
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 16px 28px rgba(108,92,231,.28)}
    .btn-ghost{background:#fff; color:var(--text); border-color:var(--line)}
    .btn-ghost:hover{transform:translateY(-1px); border-color:#b7c6de; box-shadow:var(--shadow)}
    .menu-btn{
      display:none; width:44px; height:44px; border-radius:14px; border:1px solid var(--line);
      background:#fff; align-items:center; justify-content:center;
    }
    .menu-btn i{display:block; width:18px; height:2px; background:var(--text); position:relative}
    .menu-btn i::before,.menu-btn i::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--text)}
    .menu-btn i::before{top:-6px}.menu-btn i::after{top:6px}
    .hero{
      padding:46px 0 24px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.25fr .75fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      border:1px solid rgba(255,255,255,.75);
      background:
        linear-gradient(135deg, rgba(108,92,231,.96), rgba(0,194,255,.82)),
        radial-gradient(circle at top right, rgba(255,255,255,.18), transparent 30%);
      color:#fff; border-radius:30px; padding:34px; box-shadow:0 26px 60px rgba(47,63,124,.18);
      position:relative; overflow:hidden;
    }
    .hero-main::before,.hero-main::after{
      content:""; position:absolute; border-radius:999px; background:rgba(255,255,255,.14); filter:blur(6px);
      animation:float 8s ease-in-out infinite;
    }
    .hero-main::before{width:160px; height:160px; right:-40px; top:-35px}
    .hero-main::after{width:220px; height:220px; left:-80px; bottom:-100px; animation-delay:-2s}
    @keyframes float{50%{transform:translateY(-10px)}}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.18); font-size:13px;
    }
    h1{font-size:clamp(30px, 5vw, 54px); line-height:1.08; margin:16px 0 14px; letter-spacing:.2px}
    .hero-main p{margin:0; max-width:42rem; font-size:16px; line-height:1.85; color:rgba(255,255,255,.92)}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:22px}
    .hero-actions .btn{padding:13px 18px}
    .hero-mini{
      display:grid; gap:14px
    }
    .mini-card{
      background:rgba(255,255,255,.92); border:1px solid rgba(219,228,242,.88); border-radius:24px; padding:20px;
      box-shadow:var(--shadow);
    }
    .mini-card h3{margin:0 0 8px; font-size:18px}
    .mini-card p{margin:0; color:var(--muted); line-height:1.75; font-size:14px}
    .home-link{
      display:inline-flex; align-items:center; justify-content:center; margin-top:14px;
      color:var(--primary); font-weight:700
    }
    .stats{
      display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:18px;
    }
    .stat{
      background:rgba(255,255,255,.9); border:1px solid rgba(219,228,242,.9); border-radius:22px; padding:18px;
      box-shadow:0 10px 26px rgba(19,36,68,.06);
    }
    .stat b{display:block; font-size:24px; margin-bottom:4px}
    .stat span{color:var(--muted); font-size:13px; line-height:1.5}
    section{padding:20px 0}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:16px}
    .section-head h2{margin:0; font-size:clamp(24px, 3vw, 34px)}
    .section-head p{margin:0; color:var(--muted); line-height:1.7; max-width:56ch}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .card{
      background:rgba(255,255,255,.92); border:1px solid rgba(219,228,242,.95); border-radius:var(--radius);
      box-shadow:var(--shadow); padding:22px; transition:.25s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 20px 50px rgba(31,49,86,.13)}
    .card h3{margin:0 0 10px; font-size:19px}
    .card p,.card li{color:var(--muted); line-height:1.8}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:9px 13px; border-radius:999px; background:#fff; border:1px solid var(--line); color:var(--text);
      font-size:13px; box-shadow:0 8px 18px rgba(32,48,84,.05)
    }
    .outline-list{padding-left:18px; margin:12px 0 0}
    .service-list{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .service{
      background:linear-gradient(180deg,#fff, #fafdff); border:1px solid var(--line); border-radius:22px; padding:20px;
    }
    .service .ico{
      width:44px; height:44px; border-radius:14px; display:grid; place-items:center; margin-bottom:12px;
      background:linear-gradient(135deg, rgba(108,92,231,.14), rgba(0,194,255,.14)); color:var(--primary); font-weight:800
    }
    .service h3{margin:0 0 8px}
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .step{
      background:#fff; border:1px solid var(--line); border-radius:22px; padding:20px; position:relative;
    }
    .step-num{
      width:40px; height:40px; border-radius:13px; display:grid; place-items:center; color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); font-weight:800; margin-bottom:12px;
    }
    .compare-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:16px 14px; border-bottom:1px solid #edf2f8; text-align:left; vertical-align:top}
    th{background:#f6f9ff; color:var(--text); font-size:14px}
    td{color:var(--muted); font-size:14px}
    tr:hover td{background:#fbfdff}
    .rating{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap
    }
    .stars{color:#ffb400; letter-spacing:2px; font-size:18px}
    .pill{
      display:inline-flex; padding:6px 10px; border-radius:999px; background:#ecf8ff; color:#0b6ea8; font-size:12px; font-weight:700
    }
    .price-box{
      display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
    }
    .price{
      background:linear-gradient(180deg, #fff 0%, #fbfcff 100%); border:1px solid var(--line); border-radius:24px; padding:22px;
    }
    .price strong{font-size:28px}
    .price ul{margin:14px 0 0; padding-left:18px}
    .timeline{display:grid; gap:14px}
    .time-item{
      display:grid; grid-template-columns:120px 1fr; gap:14px; align-items:start;
      background:#fff; border:1px solid var(--line); border-radius:22px; padding:18px 20px;
    }
    .time-item b{color:var(--primary)}
    .cases,.reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .case-top{display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:10px}
    .case-top strong{font-size:18px}
    .quote{font-size:15px; line-height:1.85; color:var(--text)}
    .meta{color:var(--muted); font-size:13px}
    .articles{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .article{
      padding:20px; border-radius:22px; background:#fff; border:1px solid var(--line)
    }
    .article h3{margin:0 0 8px}
    .article a{color:var(--primary); font-weight:700}
    .contact-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:16px}
    form{
      display:grid; gap:12px
    }
    .field{
      display:grid; gap:8px
    }
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #cad7ea; border-radius:14px; padding:13px 14px; font:inherit;
      background:#fff; color:var(--text); outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:var(--primary); box-shadow:0 0 0 4px rgba(108,92,231,.10)}
    textarea{min-height:124px; resize:vertical}
    .contact-aside{
      display:grid; gap:14px
    }
    .qrcode{
      display:flex; gap:14px; align-items:center; padding:18px; border-radius:22px; background:#fff; border:1px solid var(--line)
    }
    .qrcode img{width:132px; aspect-ratio:1/1; object-fit:cover; border-radius:18px; border:1px solid var(--line)}
    .qrcode .info{display:grid; gap:6px}
    .qrcode .info b{font-size:18px}
    .faq{display:grid; gap:12px}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:0 8px 22px rgba(32,48,84,.05)
    }
    summary{
      list-style:none; cursor:pointer; padding:18px 18px; font-weight:700; display:flex; justify-content:space-between; gap:16px; align-items:center
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋"; color:var(--primary); font-size:20px; line-height:1}
    details[open] summary::after{content:"－"}
    details .answer{padding:0 18px 18px; color:var(--muted); line-height:1.85}
    .network{
      display:grid; grid-template-columns:repeat(4,1fr); gap:14px;
    }
    .network .node{
      background:#fff; border:1px solid var(--line); border-radius:20px; padding:18px;
    }
    footer{
      margin-top:18px;
      padding:22px 0 28px;
      background:#eef3ff;
      border-top:1px solid rgba(219,228,242,.95);
      color:var(--text);
    }
    footer a{color:#284dd6}
    .footer-grid{
      display:grid; grid-template-columns:1.1fr .9fr; gap:18px; align-items:start
    }
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{
      background:#fff; border:1px solid var(--line); border-radius:999px; padding:9px 12px
    }
    .small{font-size:13px; color:var(--muted); line-height:1.8}
    .float-tools{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px;
    }
    .float-tools a,.float-tools button{
      width:48px; height:48px; border:none; border-radius:16px; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:0 14px 24px rgba(31,49,86,.22); cursor:pointer;
    }
    .float-tools .wechat{background:linear-gradient(135deg,#21c39b,#38d4ff)}
    .reveal{opacity:0; transform:translateY(14px); transition:.55s ease}
    .reveal.show{opacity:1; transform:none}
    .mobile-panel{display:none}
    .article-list-inline{display:grid; gap:10px; margin-top:12px}
    .article-list-inline a{padding:12px 14px; border-radius:14px; border:1px solid var(--line); background:#fff}
    @media (max-width: 1024px){
      .hero-grid,.contact-grid,.footer-grid,.grid-3,.grid-2,.service-list,.steps,.cases,.reviews,.articles,.network,.price-box,.stats{grid-template-columns:repeat(2,1fr)}
      .service-list,.steps,.cases,.reviews,.network{grid-template-columns:repeat(2,1fr)}
      .hero-main{padding:28px}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{
        display:none; padding:0 0 16px;
      }
      .mobile-panel.open{display:block}
      .mobile-panel .stack{
        display:grid; gap:10px; padding:14px 0 4px;
      }
      .mobile-panel a,.mobile-panel .btn{
        justify-content:flex-start
      }
      .hero,.section{padding-top:18px}
      .hero-grid,.contact-grid,.footer-grid,.grid-3,.grid-2,.service-list,.steps,.cases,.reviews,.articles,.network,.price-box,.stats,.time-item{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:start}
      .hero-main{border-radius:24px}
      .time-item{grid-template-columns:1fr}
      .qrcode{flex-direction:column; align-items:flex-start}
      .menu-btn{margin-left:auto}
    }