:root{
      --bg:#fff8f1;
      --panel:#ffffff;
      --panel-2:#fff3e8;
      --text:#1f2937;
      --muted:#667085;
      --line:#f1ddd0;
      --brand:#ff7a18;
      --brand-2:#ff9f43;
      --brand-3:#ff5f1f;
      --shadow:0 14px 40px rgba(255,122,24,.12);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(255,122,24,.12), transparent 28%),
      radial-gradient(circle at 92% 8%, rgba(255,159,67,.14), transparent 20%),
      linear-gradient(180deg,#fffaf5 0%, #fff8f1 42%, #fffdfb 100%);
      line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px,var(--container));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:30;background:rgba(255,250,245,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(241,221,208,.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 img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px}
    .brand strong{display:block;font-size:1.02rem}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}
    .nav-links a,.nav-links button{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:999px;font-size:.92rem;color:#334155;transition:.2s ease;cursor:pointer}
    .nav-links a:hover,.nav-links button:hover{transform:translateY(-1px);box-shadow:var(--shadow);border-color:rgba(255,122,24,.35);color:var(--brand-3)}
    .menu-btn{display:none}
    .hero{padding:32px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-side,.card,.panel,.faq-item,.review,.article,.metric,.step,.price-card,.compare-wrap,.form-box,.quote,.network,.tag-cloud,.intro-box{background:var(--panel);border:1px solid rgba(241,221,208,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:30px;position:relative;overflow:hidden}
    .hero-copy:before{content:"";position:absolute;inset:auto -18% -28% auto;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle, rgba(255,122,24,.18), transparent 62%)}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,122,24,.1);color:#c24e00;border:1px solid rgba(255,122,24,.18);padding:7px 12px;border-radius:999px;font-size:.88rem}
    h1{margin:14px 0 12px;font-size:clamp(2rem,4vw,3.65rem);line-height:1.08;letter-spacing:-.03em}
    .hero-copy p{margin:0;color:var(--text);font-size:1.03rem;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.2s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-3));color:#fff;box-shadow:0 12px 28px rgba(255,122,24,.24)}
    .btn-secondary{background:#fff;color:#b54a00;border-color:rgba(255,122,24,.2)}
    .btn:hover{transform:translateY(-2px)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .hero-badges span,.tag-cloud span,.price-tags span,.service-tags span,.mini-list li{background:var(--panel-2);color:#9a4a08;border:1px solid rgba(255,122,24,.14);border-radius:999px;padding:7px 10px;font-size:.88rem}
    .hero-side{padding:22px;display:grid;gap:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .metric{padding:16px}
    .metric strong{display:block;font-size:1.5rem;color:#c14b00}
    .metric span{font-size:.88rem;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(1.4rem,2.3vw,2.1rem)}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .intro-box{padding:24px}
    .intro-grid,.service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.price-grid,.steps-grid,.assist-grid,.industry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card,.panel,.review,.article,.step,.network,.price-card{padding:18px}
    .card h3,.panel h3,.review h3,.article h3,.step h3,.price-card h3{margin:0 0 8px;font-size:1.06rem}
    .card p,.panel p,.review p,.article p,.step p,.price-card p{margin:0;color:var(--muted)}
    .service-card{position:relative;overflow:hidden}
    .service-card:after{content:"";position:absolute;right:-22px;top:-22px;width:76px;height:76px;border-radius:50%;background:radial-gradient(circle, rgba(255,122,24,.18), transparent 70%)}
    .mini-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:8px}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step strong{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:rgba(255,122,24,.12);color:#c14b00;margin-bottom:10px}
    .compare-wrap{padding:18px;overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fff6ef;color:#8f3f08}
    .rating{font-weight:700;color:#b14500}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px;border:0;background:transparent;color:var(--text);font-size:1rem;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.active .faq-a{max-height:180px;padding-bottom:18px}
    .faq-icon{transition:transform .2s ease}
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .form-box form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .form-box label{display:grid;gap:8px;font-size:.93rem;font-weight:600}
    .form-box input,.form-box select,.form-box textarea{width:100%;padding:12px 14px;border-radius:14px;border:1px solid #e7d8cc;background:#fff;color:var(--text);font:inherit;outline:none}
    .form-box textarea{min-height:120px;resize:vertical;grid-column:1/-1}
    .form-box .full{grid-column:1/-1}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;grid-column:1/-1}
    .reviews .review small,.article time,.network small{color:var(--muted)}
    .article a{color:#b64a00;font-weight:700}
    .tag-cloud{padding:18px;display:flex;flex-wrap:wrap;gap:10px}
    .quote{padding:20px;border-left:4px solid var(--brand)}
    .footer{padding:18px 0 92px;margin-top:8px;background:linear-gradient(180deg, rgba(255,247,238,.6), #fffaf5)}
    .footer-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .footer a{color:#9b4305}
    .floating{position:fixed;right:16px;bottom:18px;z-index:40;display:grid;gap:10px}
    .float-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--brand-3));color:#fff;box-shadow:0 10px 28px rgba(255,122,24,.28);border:0;cursor:pointer}
    .kefu{position:fixed;left:16px;bottom:18px;z-index:40;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);width:154px}
    .kefu img{width:100%;border-radius:12px;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
    .timeline .card strong{color:#c14b00}
    .leftline{display:grid;gap:14px}
    .compare-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
    .compare-badges span{background:#fff4e8;border:1px solid rgba(255,122,24,.16);border-radius:999px;padding:7px 10px}
    .muted{color:var(--muted)}
    .spacer{height:1px}
    @media (max-width: 980px){
      .hero-grid,.intro-grid,.service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.price-grid,.steps-grid,.assist-grid,.industry-grid,.flow,.timeline,.footer-inner{grid-template-columns:1fr 1fr}
      .form-box form{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .nav-links a,.nav-links button{width:100%;text-align:left}
      .hero-grid,.intro-grid,.service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.price-grid,.steps-grid,.assist-grid,.industry-grid,.flow,.timeline,.footer-inner,.metric-grid{grid-template-columns:1fr}
      .hero{padding-top:18px}
      .hero-copy,.hero-side{padding:20px}
      .kefu{width:132px}
      .floating{right:12px}
    }