:root{
      --bg:#fffaf3;--panel:#ffffff;--panel2:#fff4e8;--ink:#1f2430;--muted:#61697a;--line:#eadfcf;--accent:#ff4d6d;--accent2:#ffb703;--accent3:#3a86ff;--shadow:0 18px 40px rgba(38,32,18,.10);
      --radius:22px;--max:1200px;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff4e1 0,#fffaf3 34%,#fff 100%);color:var(--ink)}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,250,243,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(234,223,207,.75)}
    .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 20px rgba(0,0,0,.08)}
    .brand strong{display:block;font-size:18px;line-height:1.1}.brand span{display:block;font-size:12px;color:var(--muted)}
    .navlinks{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}.navlinks a{font-size:14px;color:var(--ink);padding:8px 10px;border-radius:999px;transition:.2s}
    .navlinks a:hover,.navlinks a.active{background:rgba(255,77,109,.10);color:#c61e46}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--ink)}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:20px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.info-box,.form-box,.compare,.timeline li{background:linear-gradient(180deg,#fff,#fffdf9);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle,rgba(255,77,109,.16),transparent 70%);right:-50px;top:-50px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle,rgba(58,134,255,.16),transparent 72%);left:42%;bottom:-70px}
    h1{font-size:clamp(30px,5vw,56px);line-height:1.05;margin:0 0 14px}
    .lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:700px;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.22s transform,.22s box-shadow,.22s background}
    .btn.primary{background:linear-gradient(135deg,var(--accent),#ff7a59);color:#fff;box-shadow:0 16px 24px rgba(255,77,109,.22)}
    .btn.secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:hover{transform:translateY(-2px)}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}.tag{padding:8px 12px;border-radius:999px;background:rgba(58,134,255,.08);color:#1746a2;font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .mini-stat{padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff7f1,#fff);border:1px solid #f3dfcc}
    .mini-stat strong{font-size:24px;display:block;margin-bottom:6px}.mini-stat span{color:var(--muted);font-size:13px}
    section{padding:18px 0 4px} .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 16px}
    .section-head h2{margin:0;font-size:28px}.section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.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{padding:20px}.card h3,.panel h3,.review h3{margin:0 0 10px;font-size:18px}.card p,.panel p,.review p,.info-box p{margin:0;color:var(--muted);line-height:1.8}
    .metric{font-size:28px;font-weight:800;margin-bottom:6px;color:#182033}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,183,3,.14);color:#8a5a00;font-size:12px;font-weight:700}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .panel{padding:24px}
    ul.clean{list-style:none;padding:0;margin:0;display:grid;gap:10px} ul.clean li{padding-left:20px;position:relative;line-height:1.7;color:var(--ink)} ul.clean li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2))}
    .steps{counter-reset:n;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:20px}.step:before{counter-increment:n;content:"0" counter(n);display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#ff4d6d,#ffb703);color:#fff;font-weight:800;margin-bottom:14px}
    .compare{overflow:auto}.compare table{width:100%;border-collapse:collapse;min-width:900px}.compare th,.compare td{padding:14px 16px;border-bottom:1px solid #f0e5d7;text-align:left;vertical-align:top}.compare th{background:#fff7ef}
    .faq{display:grid;gap:12px}.faq-item{padding:0;overflow:hidden}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;background:transparent;border:0;color:var(--ink);font-size:16px;font-weight:700;text-align:left}.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted);line-height:1.8}.faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .reviews,.articles,.network,.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px}.stars{color:#ff9800;font-size:14px;letter-spacing:1px;margin-bottom:10px}
    .form-box{padding:24px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:grid;gap:8px}.field label{font-weight:700;font-size:14px}.field input,.field select,.field textarea{width:100%;border:1px solid #e6dac8;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--ink);outline:none}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:#ff7a59;box-shadow:0 0 0 4px rgba(255,122,89,.12)}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
    .footer{margin-top:22px;padding:26px 0 30px;border-top:1px solid var(--line);background:#fffaf4;color:var(--ink)}
    .footer a{color:#1f4ea8}.footer small,.footer p{color:var(--muted)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#ff4d6d,#ffb703);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 28px rgba(255,77,109,.26);font-size:12px;font-weight:800}
    .backtop{background:linear-gradient(135deg,#3a86ff,#6c5ce7)}
    .timeline li{padding:18px}
    .links-cloud{display:flex;flex-wrap:wrap;gap:10px}.links-cloud a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    .hero-side .qrcode{padding:14px;border-radius:18px;background:#fff7ef;border:1px solid #f1dcc6}
    .sticky-cta{display:flex;gap:10px;flex-wrap:wrap}
    .muted{color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.split,.steps,.reviews,.articles,.network,.timeline{grid-template-columns:1fr}
      .navlinks{display:none}.menu-btn{display:inline-flex}.nav.open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:68px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav{position:relative}.hero-main{padding:24px}.section-head{align-items:start;flex-direction:column}.form-grid{grid-template-columns:1fr}
    }