:root{
      --bg:#fbf7f2;
      --panel:#ffffff;
      --panel2:#fff4f0;
      --text:#1f2430;
      --muted:#5f6675;
      --line:#e7ddd4;
      --brand:#ff4d6d;
      --brand2:#6c4dff;
      --brand3:#ffb347;
      --shadow:0 18px 40px rgba(31,36,48,.10);
      --radius:20px;
      --radius2:28px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff8f6 0,#fbf7f2 36%,#f6f8ff 100%);color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(251,247,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,221,212,.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 .logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.08)}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
    .nav-links a,.nav-btn{padding:9px 12px;border-radius:999px;border:1px solid transparent;font-size:13px}
    .nav-links a:hover,.nav-btn:hover{border-color:var(--line);background:#fff;box-shadow:0 10px 20px rgba(0,0,0,.05)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.feature,.step,.review,.faq-item,.article,.contact-card,.compare,.timeline,.price-box{background:linear-gradient(180deg,#fff, #fff7f3);border:1px solid rgba(231,221,212,.85);border-radius:var(--radius2);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero-main:before{width:180px;height:180px;background:radial-gradient(circle,rgba(255,77,109,.16),transparent 68%);top:-50px;right:-20px}
    .hero-main:after{width:240px;height:240px;background:radial-gradient(circle,rgba(108,77,255,.12),transparent 68%);bottom:-90px;left:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,77,109,.10);color:#b61f43;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:56ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(108,77,255,.22)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{padding:16px;border-radius:18px;background:rgba(255,255,255,.8);border:1px solid rgba(231,221,212,.8)}
    .metric b{display:block;font-size:22px;margin-bottom:4px}
    .metric span{color:var(--muted);font-size:13px}
    .hero-side{padding:18px;display:grid;gap:14px}
    .mini-panel{padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff4f7,#f5f3ff);border:1px solid rgba(255,77,109,.12)}
    .mini-panel h3,.section-head h2{margin:0 0 10px;font-size:22px}
    .mini-panel p,.mini-panel li,.section-card p,.section-card li{color:var(--muted)}
    .tag-cloud,.service-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);max-width:66ch}
    .section-card{padding:24px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature,.step,.review,.article,.faq-item,.price-box{padding:20px}
    .feature h3,.step h3,.review h3,.article h3,.contact-card h3{margin:0 0 8px;font-size:18px}
    .feature p,.step p,.review p,.article p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,77,109,.12),rgba(108,77,255,.12));margin-bottom:14px;font-size:20px}
    .timeline{padding:24px}
    .timeline-list{display:grid;gap:14px}
    .tl{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:14px 0;border-bottom:1px dashed var(--line)}
    .tl:last-child{border-bottom:0}
    .tl b{font-size:14px}
    .tl span{color:var(--muted);font-size:13px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:820px;background:#fff;border-radius:18px;overflow:hidden}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
    th{background:#fff3f5}
    .score{font-size:22px;font-weight:800;color:#b61f43}
    .rating{display:flex;align-items:center;gap:8px;font-size:14px}
    .stars{color:#ff9d00;letter-spacing:2px}
    .faq-item{cursor:pointer}
    .faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:700}
    .faq-a{display:none;color:var(--muted);padding-top:10px}
    .faq-item.active .faq-a{display:block}
    .review .meta,.article .meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;margin-bottom:10px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .form{display:grid;gap:12px}
    .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:18px;padding:24px 0 30px;border-top:1px solid rgba(231,221,212,.85);background:#fff9f5;color:#2b303b}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:#1f2430}
    .bottom-links{display:flex;flex-wrap:wrap;gap:10px}
    .floating{position:fixed;right:14px;bottom:14px;z-index:60;display:grid;gap:10px}
    .float-btn{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;box-shadow:0 16px 28px rgba(108,77,255,.26)}
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .fade-in{opacity:0;transform:translateY(18px);transition:.7s ease}
    .fade-in.show{opacity:1;transform:translateY(0)}
    .light-list{display:grid;gap:10px}
    .light-list li{color:var(--muted)}
    .split-note{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .price-box b{display:block;font-size:22px;margin-bottom:6px}
    .table-mini{display:grid;gap:10px}
    .table-mini .row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
    .mobile-hide{display:block}
    @media (max-width: 960px){
      .hero-grid,.grid-3,.grid-2,.contact-grid,.footer-grid,.articles{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:start}
      .hero-main{padding:24px}
      .hero-metrics{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:68px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav{position:relative}
      .form-row,.split-note{grid-template-columns:1fr}
      .mobile-hide{display:none}
    }