:root{
      --bg:#fff8ef;
      --bg2:#f4f7ff;
      --card:#ffffff;
      --text:#142033;
      --muted:#5a6476;
      --line:#e7e0d6;
      --brand:#0f62fe;
      --brand2:#ff5b3d;
      --brand3:#14b8a6;
      --accent:#ffb703;
      --shadow:0 20px 50px rgba(20,32,51,.10);
      --radius:22px;
      --radius-sm:16px;
      --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(255,91,61,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(15,98,254,.10), transparent 26%),
        linear-gradient(180deg, var(--bg) 0%, #fff 28%, #fffaf4 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:30;background:rgba(255,250,244,.84);backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid rgba(231,224,214,.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-wrap{width:44px;height:44px;border-radius:14px;background:#fff;box-shadow:0 10px 26px rgba(15,98,254,.12);display:grid;place-items:center;overflow:hidden;border:1px solid var(--line)}
    .brand img{width:34px;height:34px;object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;line-height:1.1}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#24324a;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:rgba(15,98,254,.08);color:var(--brand)}
    .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) 0%, #3f8cff 100%);color:#fff;box-shadow:0 14px 28px rgba(15,98,254,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px rgba(15,98,254,.26)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:rgba(15,98,254,.25);color:var(--brand)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center}
    .menu-btn span{width:18px;height:2px;background:var(--text);position:relative;display:block}
    .menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
    main{padding-bottom:18px}
    section{padding:72px 0}
    .hero{padding:42px 0 62px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none}
    .hero::before{width:260px;height:260px;background:rgba(255,91,61,.12);right:-80px;top:30px}
    .hero::after{width:220px;height:220px;background:rgba(20,184,166,.12);left:-100px;bottom:20px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.feature,.review,.faq-item,.price-box,.timeline-item,.quote,.table-wrap,.form-box,.stat{
      background:rgba(255,255,255,.92);border:1px solid rgba(231,224,214,.92);box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-copy{padding:34px}
    .kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(15,98,254,.08);color:var(--brand);font-weight:700;padding:8px 14px;border-radius:999px;font-size:13px}
    h1{font-size:clamp(34px, 5vw, 58px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.03em}
    .lead{font-size:17px;line-height:1.82;color:var(--muted);margin:0 0 20px;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .pill{padding:10px 14px;border-radius:999px;background:#fff7ea;border:1px solid #f3deba;color:#7a5a12;font-size:13px;font-weight:600}
    .hero-panel{padding:22px;display:grid;gap:16px}
    .hero-panel .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:18px}
    .stat strong{display:block;font-size:24px;line-height:1.1}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .hero-panel .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{font-size:12px;padding:8px 12px;border-radius:999px;background:#f5f8ff;border:1px solid #dfe8ff;color:#24426f}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:26px}
    .section-head h2{margin:0;font-size:clamp(24px, 3vw, 36px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.75}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .feature,.card,.review,.timeline-item,.price-box,.faq-item,.form-box,.quote{padding:22px}
    .feature h3,.card h3,.review h3,.timeline-item h3,.price-box h3{margin:0 0 10px;font-size:18px}
    .feature p,.card p,.review p,.timeline-item p,.price-box p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(15,98,254,.12), rgba(255,91,61,.12));color:var(--brand);font-size:20px;margin-bottom:14px
    }
    .service-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:13px;color:#23324a}
    .wide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
    .list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#22324b;line-height:1.65}
    .check{width:22px;height:22px;border-radius:50%;background:rgba(20,184,166,.12);color:#0c8c7e;display:grid;place-items:center;flex:none;margin-top:2px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .step{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,#fff, #fff7f0);box-shadow:var(--shadow)}
    .step-num{font-weight:900;color:var(--brand2);font-size:28px;line-height:1}
    .step h3{margin:12px 0 8px}
    .comparison{overflow:hidden}
    .table-wrap{overflow-x:auto;padding:0}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:16px 18px;border-bottom:1px solid #edf0f4;text-align:left;vertical-align:top}
    th{background:linear-gradient(180deg,#f8fbff,#f2f7ff);font-size:14px}
    tr:last-child td{border-bottom:none}
    .rating{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
    .stars{color:#ff9f1a;font-size:18px;letter-spacing:2px}
    .rating strong{font-size:18px}
    .timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .timeline-item{position:relative}
    .timeline-item::before{content:"";position:absolute;left:22px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--brand2);box-shadow:0 0 0 6px rgba(255,91,61,.13)}
    .timeline-item h3,.timeline-item p{padding-left:22px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .review .role{display:inline-block;font-size:12px;color:#7a4a0f;background:#fff4df;border:1px solid #f2d4a4;padding:6px 10px;border-radius:999px;margin-bottom:12px}
    .faq{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .accordion{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:none;background:transparent;color:var(--text);padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted);line-height:1.75}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .faq-item.open .faq-q{color:var(--brand)}
    .faq-plus{font-size:22px;color:var(--brand2)}
    .side-panel{display:grid;gap:18px}
    .quote{background:linear-gradient(135deg,#fff,#f7fbff)}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .article a{display:block;margin-top:10px;color:var(--brand);font-weight:700}
    .form-box form{display:grid;gap:14px}
    .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;color:#24324a;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #dbe3ef;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    textarea{min-height:126px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(15,98,254,.5);box-shadow:0 0 0 4px rgba(15,98,254,.10)}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    .contact-grid{display:grid;grid-template-columns:1fr .7fr;gap:18px;align-items:start}
    .contact-list{display:grid;gap:12px}
    .contact-item{padding:16px;border-radius:18px;border:1px solid var(--line);background:#fff;display:flex;gap:12px;align-items:center}
    .contact-item b{display:block}
    .qr{display:grid;place-items:center;text-align:center;gap:12px;padding:22px}
    .qr img{width:180px;height:180px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    footer{padding:28px 0 36px;background:#111827;color:#e5edf7;margin-top:10px}
    footer a{color:#d7e6ff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;align-items:start}
    .footer-grid p,.footer-grid li{color:#c8d3e3;line-height:1.8}
    .footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-title{font-weight:800;margin-bottom:12px;color:#fff}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .floating a,.backtop{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      box-shadow:0 16px 32px rgba(17,24,39,.20);border:1px solid rgba(255,255,255,.16);background:#fff;color:var(--text)
    }
    .floating .chat{background:linear-gradient(135deg,var(--brand2),#ff8a65);color:#fff}
    .floating .top{background:#fff}
    .backtop{cursor:pointer;border:none}
    .toc{
      display:flex;flex-wrap:wrap;gap:10px;
      padding:14px 0 0
    }
    .toc a{font-size:13px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#32415b}
    .motion{transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease}
    .motion:hover{transform:translateY(-4px);box-shadow:0 24px 46px rgba(20,32,51,.12)}
    .reveal{opacity:0;transform:translateY(18px);transition:all .55s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.wide-grid,.faq,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.steps,.reviews,.articles,.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 768px){
      header{position:sticky}
      .nav{padding:12px 0}
      .nav-links{display:none;width:100%;padding:6px 0 2px}
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
      .nav-actions .btn-ghost{display:none}
      .menu-btn{display:inline-flex}
      .hero{padding:24px 0 52px}
      .hero-copy{padding:24px}
      .hero-panel{padding:18px}
      .grid-3,.grid-4,.steps,.reviews,.articles,.timeline,.fields{grid-template-columns:1fr}
      section{padding:54px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .nav-links a{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }