:root{
      --bg:#f7f3ea;
      --bg2:#fffaf2;
      --card:#ffffff;
      --ink:#18202d;
      --muted:#5c6573;
      --line:#e7dcc8;
      --brand:#f04f4f;
      --brand2:#ffb000;
      --brand3:#2b7cff;
      --shadow:0 18px 50px rgba(41, 47, 61, .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",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 10%, rgba(255,176,0,.16), transparent 22%),
        radial-gradient(circle at 90% 10%, rgba(43,124,255,.12), transparent 24%),
        linear-gradient(180deg, #fffdf8 0%, var(--bg) 26%, #fffdf8 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:30;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,252,245,.86);
      border-bottom:1px solid rgba(231,220,200,.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 img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center;
      font-size:14px;color:#314054
    }
    .nav-links a{padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus{background:#fff1d5;color:#1f2d42}
    .nav-actions{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;transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7f32);color:#fff;box-shadow:0 12px 28px rgba(240,79,79,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(240,79,79,.28)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover{border-color:#d3c3a6;background:#fffaf0}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{
      padding:34px 0 18px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.feature-card,.quote-card,.article-card,.compare-card,.form-card,.faq-card,.timeline-card,.pricing-card,.network-card,.review-card,.case-card,.about-card,.side-card{
      background:var(--card);border:1px solid rgba(231,220,200,.85);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px;position:relative;isolation:isolate}
    .hero-copy:before{
      content:"";position:absolute;inset:auto -40px -70px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,176,0,.22), transparent 62%);
      z-index:-1;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg,#fff0dd,#ffe0e0);color:#9a3b27;font-weight:700;font-size:13px;
    }
    h1{font-size:clamp(30px,4.2vw,54px);line-height:1.05;margin:18px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:58ch;margin:0 0 24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .hero-meta{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px
    }
    .meta-item{
      background:linear-gradient(180deg,#fffaf1,#fff);
      border:1px solid #ecdcc2;border-radius:18px;padding:16px
    }
    .meta-item strong{display:block;font-size:22px}
    .meta-item span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.5}
    .hero-panel{padding:24px;display:flex;flex-direction:column;gap:16px;background:linear-gradient(180deg,#fff, #fff8ee)}
    .panel-visual{
      border-radius:20px;padding:18px;border:1px solid #f0e1c7;
      background:
        linear-gradient(135deg, rgba(240,79,79,.12), transparent 35%),
        linear-gradient(225deg, rgba(43,124,255,.10), transparent 35%),
        #fff;
      min-height:220px;
      display:flex;flex-direction:column;justify-content:space-between
    }
    .panel-badges{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#f6f1e7;border:1px solid #eadfc9;font-size:13px;color:#39465a}
    .panel-rows{display:grid;gap:10px}
    .panel-row{display:flex;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:14px;background:#fff8eb;border:1px solid #f0e1c7;font-size:14px}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;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}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .feature-card,.case-card,.review-card,.article-card,.compare-card,.form-card,.faq-card,.timeline-card,.pricing-card,.network-card,.about-card,.side-card{padding:22px}
    .feature-card h3,.case-card h3,.article-card h3,.compare-card h3,.form-card h3,.faq-card h3,.timeline-card h3,.pricing-card h3,.network-card h3,.about-card h3,.review-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.case-card p,.article-card p,.compare-card p,.form-card p,.faq-card p,.timeline-card p,.pricing-card p,.network-card p,.about-card p,.review-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg,#ffe5e0,#fff1cf);color:#c53b2c;font-weight:800
    }
    .section-soft{
      background:
        linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.25));
      border-top:1px solid rgba(231,220,200,.5);
      border-bottom:1px solid rgba(231,220,200,.5)
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #eadfc9;color:#304157;font-size:13px}
    .steps{counter-reset:step}
    .step{position:relative;padding-left:52px}
    .step:before{
      counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;
      width:24px;height:24px;border-radius:999px;background:linear-gradient(135deg,var(--brand3),#7bb2ff);color:#fff;
      display:grid;place-items:center;font-size:12px;font-weight:700
    }
    .compare-wrap{overflow:auto;border-radius:22px;border:1px solid #eadfc9;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px;background:#fff}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #efe4cf;vertical-align:top}
    th{background:#fff7e9;font-size:14px}
    td{color:#2c3848;font-size:14px;line-height:1.7}
    .rating{font-size:28px;font-weight:800;color:#d94b2e}
    .faq-list{display:grid;gap:12px}
    details{
      border:1px solid #eadfc9;border-radius:16px;background:#fff;overflow:hidden
    }
    summary{
      list-style:none;cursor:pointer;padding:18px 18px;display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:700
    }
    summary::-webkit-details-marker{display:none}
    details p{padding:0 18px 18px;margin:0;color:var(--muted);line-height:1.75}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #ddcfb7;border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--ink);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#f04f4f;box-shadow:0 0 0 4px rgba(240,79,79,.12)}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{
      padding:20px 0 28px;border-top:1px solid rgba(231,220,200,.8);background:rgba(255,249,239,.65);margin-top:10px
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .footer a{color:#243248}
    .footer small,.footer p{color:#55606f}
    .social-row{display:flex;flex-wrap:wrap;gap:10px}
    .float-box{
      position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .float-box a,.float-box button{
      border:none;border-radius:16px;padding:12px 14px;background:#fff;box-shadow:var(--shadow);
      border:1px solid #eadfc9;color:#1c2635;font-weight:700
    }
    .backtop{display:none}
    .fade-up{opacity:0;transform:translateY(18px);transition:.7s ease}
    .fade-up.show{opacity:1;transform:none}
    .divider{height:1px;background:linear-gradient(90deg,transparent,#e8dcc8,transparent);margin:14px 0}
    .articles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
    .article-card a{display:inline-flex;margin-top:12px;color:#c53b2c;font-weight:700}
    .review-stars{color:#ff9a00;font-size:18px;letter-spacing:1px;margin-bottom:10px}
    .case-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .case-list .case-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted);line-height:1.8}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding:16px;border-radius:16px;background:#fff7eb;border:1px solid #eedfc2}
    .timeline-item strong{color:#9a3b27}
    .mobile-only{display:none}
    @media (max-width: 1080px){
      .hero-grid,.grid-4,.articles,.case-list,.footer-grid{grid-template-columns:1fr}
      .grid-3,.grid-2{grid-template-columns:1fr}
      .hero-meta{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .nav{min-height:68px}
    }
    .mobile-menu{
      display:none;padding:0 0 18px
    }
    .mobile-menu.open{display:block}
    .mobile-menu .nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .mobile-menu .nav-links a{background:#fff;border:1px solid var(--line);text-align:center}
    .network-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .network-grid div{padding:16px;border-radius:16px;background:#fff7ec;border:1px solid #eedfc2}
    @media (max-width: 720px){
      .container{padding:0 14px}
      .hero-copy,.hero-panel,.feature-card,.case-card,.review-card,.article-card,.compare-card,.form-card,.faq-card,.timeline-card,.pricing-card,.network-card,.about-card,.side-card{padding:18px}
      h1{font-size:32px}
      .section-head{flex-direction:column;align-items:flex-start}
      .network-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .timeline-item{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
    }