:root{
      --bg:#f5fbf6;
      --bg2:#eef8f0;
      --card:#ffffff;
      --text:#193126;
      --muted:#5f7567;
      --line:#d7e8db;
      --brand:#39b77a;
      --brand2:#6bd3a0;
      --accent:#2b8c61;
      --shadow:0 14px 40px rgba(40, 84, 59, .10);
      --radius:18px;
      --radius-sm:14px;
      --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 10% 10%, rgba(105, 211, 160, .18), transparent 24%),
        radial-gradient(circle at 90% 0%, rgba(57, 183, 122, .12), transparent 20%),
        linear-gradient(180deg, #f8fdf8 0%, var(--bg) 40%, #f7fbf8 100%);
    }
    img{display:block; max-width:100%}
    a{color:inherit; text-decoration:none}
    .container{max-width:var(--container); margin:0 auto; padding:0 18px}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(160%) blur(12px);
      background:rgba(248,253,249,.88);
      border-bottom:1px solid rgba(215,232,219,.8);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:74px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand .mark{
      width:42px; height:42px; border-radius:14px; overflow:hidden;
      box-shadow:0 10px 24px rgba(57,183,122,.18); flex:0 0 auto;
      background:#fff;
    }
    .brand-text{min-width:0}
    .brand-text strong{display:block; font-size:17px; letter-spacing:.4px}
    .brand-text span{display:block; font-size:12px; color:var(--muted); margin-top:2px}
    .nav-links{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px; color:#355246; padding:8px 10px; border-radius:999px; transition:.2s}
    .nav-links a:hover,.nav-links a:focus{background:#e7f6ed; color:#1d6b49}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:1px solid transparent; border-radius:999px; padding:12px 18px;
      font-weight:700; font-size:14px; cursor:pointer; transition:.22s ease;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg, var(--brand), #2e9b67); color:#fff; box-shadow:0 12px 28px rgba(57,183,122,.22)}
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 16px 34px rgba(57,183,122,.28)}
    .btn-ghost{background:#fff; color:#1f4b36; border-color:#cfe6d6}
    .btn-ghost:hover{background:#f0faf4}
    .menu-toggle{display:none; width:44px; height:44px; border-radius:12px; border:1px solid #d7e8db; background:#fff; color:#284939}
    .hero{padding:42px 0 22px}
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.review-card,.faq-item,.stat,.feature,.timeline-item,.article-card,.price-card,.contact-card,.agent-card,.case-card,.intro-card,.compare-card,.network-card{
      background:var(--card); border:1px solid rgba(215,232,219,.9); border-radius:var(--radius); box-shadow:var(--shadow);
    }
    .hero-main{padding:34px; position:relative; overflow:hidden}
    .hero-main:before{
      content:""; position:absolute; inset:auto -60px -60px auto; width:220px; height:220px; border-radius:50%;
      background:radial-gradient(circle, rgba(107,211,160,.24), rgba(107,211,160,0) 68%);
    }
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px; background:#e8f7ef; color:#226646; font-size:13px; font-weight:700}
    h1{margin:16px 0 14px; font-size:clamp(30px, 4vw, 52px); line-height:1.08; letter-spacing:-.02em}
    .lead{margin:0; color:var(--muted); font-size:16px; line-height:1.8; max-width:64ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 18px}
    .hero-points{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:12px; margin-top:18px}
    .mini{
      padding:14px 14px 13px; border-radius:16px; background:#f7fcf8; border:1px solid #dbece0
    }
    .mini strong{display:block; font-size:18px; margin-bottom:4px}
    .mini span{font-size:13px; color:var(--muted); line-height:1.5}
    .hero-side{padding:22px; display:grid; gap:14px}
    .hero-side .panel{
      padding:18px; border-radius:18px; background:linear-gradient(180deg, #f7fcf8, #eef8f0); border:1px solid #d8eadc
    }
    .panel h3{margin:0 0 10px; font-size:18px}
    .panel p, .panel li{color:var(--muted); line-height:1.7; margin:0}
    .panel ul{margin:0; padding-left:18px; display:grid; gap:8px}
    .anchor-bar{
      margin-top:16px; padding:12px; background:rgba(255,255,255,.7); border:1px solid #dbeadf; border-radius:16px;
      display:flex; flex-wrap:wrap; gap:8px
    }
    .anchor-bar a{padding:7px 11px; border-radius:999px; background:#fff; border:1px solid #e0ede4; color:#2f5b46; font-size:13px}
    section{padding:18px 0}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:12px; margin:0 0 16px}
    .section-title h2{margin:0; font-size:28px; line-height:1.15}
    .section-title p{margin:0; color:var(--muted); max-width:66ch; line-height:1.7}
    .grid-4{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:14px}
    .grid-3{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:14px}
    .stat,.feature,.review-card,.article-card,.price-card,.contact-card,.agent-card,.case-card,.intro-card,.compare-card,.network-card{padding:20px}
    .stat strong{display:block; font-size:26px; margin-bottom:6px}
    .stat span{color:var(--muted); line-height:1.6}
    .feature h3,.case-card h3,.price-card h3,.intro-card h3,.agent-card h3,.review-card h3,.contact-card h3,.network-card h3{margin:0 0 10px; font-size:18px}
    .feature p,.case-card p,.price-card p,.intro-card p,.agent-card p,.review-card p,.contact-card p,.network-card p{margin:0; color:var(--muted); line-height:1.75}
    .feature .tagline{margin-bottom:10px; display:inline-flex; padding:6px 10px; border-radius:999px; background:#edf9f1; color:#22704d; font-size:12px; font-weight:700}
    .image-row{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:14px}
    .image-row img,.image-rail img{border-radius:18px; border:1px solid #dcecdf; box-shadow:var(--shadow); width:100%; height:auto}
    .image-rail{display:grid; grid-template-columns:1.2fr .8fr; gap:14px}
    .list{display:grid; gap:10px; margin:0; padding:0; list-style:none}
    .list li{display:flex; gap:10px; align-items:flex-start; color:var(--muted); line-height:1.7}
    .dot{width:10px; height:10px; border-radius:50%; background:linear-gradient(135deg, var(--brand), var(--brand2)); margin-top:8px; flex:0 0 auto}
    .steps{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:14px}
    .step{padding:20px; border-radius:18px; background:#fff; border:1px solid #dbe9dd; position:relative}
    .step .num{display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center; border-radius:12px; background:#e7f6ed; color:#1f6d4a; font-weight:800; margin-bottom:12px}
    .step h3{margin:0 0 8px}
    .table-wrap{overflow-x:auto; border-radius:18px; border:1px solid #dbe9dd; background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 14px; border-bottom:1px solid #e6f0e9; vertical-align:top; text-align:left}
    th{background:#f4fbf6; color:#234131}
    td{color:var(--muted); line-height:1.7}
    .rating{display:flex; align-items:center; gap:8px; color:#1c5b3f; font-weight:800}
    .stars{letter-spacing:2px; color:#d19a28}
    .faq details{
      background:#fff; border:1px solid #dbe9dd; border-radius:16px; padding:16px 18px; box-shadow:var(--shadow)
    }
    .faq{display:grid; gap:12px}
    .faq summary{cursor:pointer; font-weight:700; color:#234131; list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0; color:var(--muted); line-height:1.8}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid #dbe9dd; color:#315344; font-size:13px}
    .compare-card .scorebox{
      display:flex; gap:18px; align-items:center; flex-wrap:wrap; margin-bottom:14px;
      padding:16px; border-radius:16px; background:linear-gradient(135deg, #f3fbf5, #e9f8ef);
      border:1px solid #dbeedd;
    }
    .scorebox .num{font-size:44px; font-weight:900; line-height:1}
    .scorebox .meta{color:var(--muted); line-height:1.7}
    .reviews .grid-3{grid-template-columns:repeat(3, minmax(0,1fr))}
    .quote{font-size:15px; color:#355246; line-height:1.8}
    .author{margin-top:14px; color:var(--muted); font-size:13px}
    .article-list{display:grid; gap:12px}
    .article-item{
      display:flex; justify-content:space-between; gap:12px; padding:14px 0; border-bottom:1px dashed #dbe9dd;
    }
    .article-item:last-child{border-bottom:none; padding-bottom:0}
    .article-item a{font-weight:700; color:#244537}
    .article-item span{color:var(--muted); font-size:13px; white-space:nowrap}
    .form-grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px}
    label{display:grid; gap:8px; font-size:14px; color:#234131; font-weight:700}
    input,select,textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #cfe1d4;
      background:#fff; color:#173024; font:inherit; outline:none; transition:.2s;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#68c692; box-shadow:0 0 0 4px rgba(104,198,146,.14)}
    .full{grid-column:1 / -1}
    .footer{
      padding:18px 0 28px; margin-top:18px; border-top:1px solid #dbe9dd; background:rgba(246,251,247,.72)
    }
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .9fr; gap:16px; align-items:start}
    .footer h3{margin:0 0 12px; font-size:16px}
    .footer p, .footer a, .footer li{color:#4d6758; line-height:1.8; font-size:14px}
    .footer ul{margin:0; padding-left:18px; display:grid; gap:8px}
    .footer .links{display:flex; flex-wrap:wrap; gap:10px}
    .footer .links a{padding:8px 10px; border-radius:999px; background:#fff; border:1px solid #dbe9dd}
    .float-box{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .float-box a,.float-box button{
      width:52px; height:52px; border-radius:16px; display:inline-flex; align-items:center; justify-content:center;
      border:1px solid #d6e7da; background:#fff; box-shadow:var(--shadow); color:#22563c; cursor:pointer
    }
    .float-panel{
      position:fixed; right:16px; bottom:82px; z-index:60; width:min(92vw, 320px);
      background:#fff; border:1px solid #d6e7da; border-radius:18px; box-shadow:var(--shadow);
      padding:14px; display:none;
    }
    .float-panel.show{display:block; animation:fadeUp .22s ease}
    .float-panel img{border-radius:14px; border:1px solid #dbe9dd}
    .float-panel p{margin:10px 0 0; color:var(--muted); font-size:14px; line-height:1.7}
    .reveal{opacity:0; transform:translateY(18px); transition:.6s ease}
    .reveal.visible{opacity:1; transform:none}
    @keyframes fadeUp{from{opacity:0; transform:translateY(8px)}to{opacity:1; transform:none}}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.steps,.image-row,.image-rail,.footer-grid{grid-template-columns:1fr}
      .reviews .grid-3{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex; align-items:center; justify-content:center}
      .mobile-only{display:block}
      .nav.open .nav-links{
        display:flex; position:absolute; left:18px; right:18px; top:74px; padding:12px;
        background:#fff; border:1px solid #dbe9dd; border-radius:18px; box-shadow:var(--shadow);
      }
      .nav.open{position:relative; padding-bottom:62px}
      .nav.open .nav-links{flex-direction:column; align-items:flex-start}
      .form-grid{grid-template-columns:1fr}
      .section-title{flex-direction:column; align-items:flex-start}
    }