:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fff7ef;
      --text:#1d2433;
      --muted:#5c6578;
      --line:#e6eaf2;
      --brand:#ff5a1f;
      --brand-2:#ffb000;
      --brand-3:#5b7cff;
      --brand-4:#12b886;
      --shadow:0 18px 50px rgba(31, 41, 55, .10);
      --radius:22px;
      --radius-sm:16px;
      --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;background:
      radial-gradient(circle at 10% 10%, rgba(255,90,31,.08), transparent 25%),
      radial-gradient(circle at 90% 0%, rgba(91,124,255,.08), transparent 22%),
      linear-gradient(180deg, #fffdfa 0%, #f6f7fb 32%, #f5f7fb 100%);
      color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header,main,footer{position:relative;z-index:1}
    .topbar{position:sticky;top:0;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,234,242,.8);z-index:20}
    .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}
    .brand strong{display:block;font-size:1rem;line-height:1.2}
    .brand span{display:block;font-size:.78rem;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:.92rem;color:#344056;padding:8px 10px;border-radius:999px;transition:.25s}
    .menu a:hover{background:#fff2ea;color:var(--brand)}
    .menu .cta{background:linear-gradient(135deg,var(--brand),#ff7b31);color:#fff;box-shadow:0 10px 25px rgba(255,90,31,.22)}
    .menu .cta:hover{transform:translateY(-1px)}
    .burger{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:42px 0 26px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy{background:linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,247,239,.95));border:1px solid rgba(230,234,242,.9);border-radius:28px;padding:32px;box-shadow:var(--shadow);position:relative}
    .hero-copy:before,.hero-copy:after{content:"";position:absolute;border-radius:999px;filter:blur(0);pointer-events:none}
    .hero-copy:before{width:180px;height:180px;background:radial-gradient(circle, rgba(255,176,0,.16), transparent 70%);right:-40px;top:-30px}
    .hero-copy:after{width:120px;height:120px;background:radial-gradient(circle, rgba(91,124,255,.14), transparent 70%);left:-25px;bottom:-30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,90,31,.10);color:#c84f10;border:1px solid rgba(255,90,31,.15);padding:7px 12px;border-radius:999px;font-size:.85rem;font-weight:700}
    h1{margin:.8rem 0 .8rem;font-size:clamp(2rem,5vw,3.75rem);line-height:1.06;letter-spacing:-.03em}
    .lead{font-size:1.02rem;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7a2d);color:#fff;box-shadow:0 14px 28px rgba(255,90,31,.22)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
    .mini strong{display:block;font-size:1.1rem}
    .mini span{font-size:.82rem;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{background:linear-gradient(180deg,#10192c,#182845);color:#fff;border-radius:28px;padding:22px;box-shadow:var(--shadow);overflow:hidden;position:relative}
    .side-card:before{content:"";position:absolute;inset:auto -40px -50px auto;width:180px;height:180px;background:radial-gradient(circle, rgba(255,176,0,.36), transparent 65%)}
    .side-card h2,.side-card p,.side-card li{position:relative;z-index:1}
    .side-card h2{font-size:1.25rem;margin:0 0 10px}
    .side-card ul{margin:0;padding-left:18px;color:#dfe6ff}
    .side-card li{margin:7px 0}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(1.4rem,3vw,2.1rem)}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(27,39,62,.06);padding:18px;transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(27,39,62,.10)}
    .metric strong{font-size:1.65rem;display:block;color:#101828}
    .metric span{color:var(--muted);font-size:.92rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.92rem;color:#334155}
    .split{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .panel{background:linear-gradient(180deg,#fff, #fffaf5);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow)}
    .bullets{display:grid;gap:12px}
    .bullet{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .dot{width:12px;height:12px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 0 5px rgba(255,90,31,.08)}
    .cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .service h3,.case h3,.review h3{margin:.2rem 0 .45rem;font-size:1.05rem}
    .service p,.case p,.review p,.faq summary,.step p{color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative}
    .step .n{display:inline-flex;width:34px;height:34px;border-radius:10px;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-3),var(--brand));color:#fff;font-weight:800;margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:900px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fff7f0;color:#111827;position:sticky;top:0}
    tr:hover td{background:#fffdf9}
    .score{font-weight:800;color:var(--brand)}
    .media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .media-grid img{border-radius:22px;border:1px solid var(--line);aspect-ratio:1.15/1;object-fit:cover;background:#fff}
    .faq{display:grid;gap:12px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 16px;box-shadow:0 8px 24px rgba(27,39,62,.05)}
    .faq summary{cursor:pointer;padding:16px 0;list-style:none;font-weight:700;color:#1f2937}
    .faq summary::-webkit-details-marker{display:none}
    .faq .ans{padding:0 0 16px;color:var(--muted)}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review .role{display:inline-flex;margin-bottom:10px;color:#0f766e;background:rgba(18,184,134,.10);padding:6px 10px;border-radius:999px;font-size:.8rem}
    .articles{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .article-list{display:grid;gap:10px}
    .article-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .article-list a span{color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:grid;gap:8px}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,90,31,.55);box-shadow:0 0 0 4px rgba(255,90,31,.10)}
    textarea{min-height:126px;resize:vertical}
    .span-2{grid-column:span 2}
    .footer{padding:20px 0 28px}
    footer .card{background:linear-gradient(180deg,#fff, #fffaf6)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .link-list{display:flex;flex-wrap:wrap;gap:10px}
    .link-list a{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .small{font-size:.92rem;color:var(--muted)}
    .floating{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:30}
    .floating a,.floating button{border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 14px;background:linear-gradient(135deg,var(--brand),#ff7a2d);color:#fff;box-shadow:0 14px 28px rgba(255,90,31,.28)}
    .floating .ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
    .mobile-only{display:none}
    .fade{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
    .fade.in{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.split,.cards-3,.steps,.reviews,.articles,.footer-grid,.grid-4,.media-grid{grid-template-columns:1fr 1fr}
      .hero-side{grid-column:1/-1}
    }
    @media (max-width: 760px){
      .menu{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .menu.open{display:flex}
      .burger{display:inline-flex}
      .hero{padding-top:20px}
      .hero-copy,.panel,.card{border-radius:20px}
      .hero-grid,.split,.cards-3,.steps,.reviews,.articles,.footer-grid,.grid-4,.media-grid,.form-grid{grid-template-columns:1fr}
      .hero-mini{grid-template-columns:1fr}
      .span-2{grid-column:auto}
      .mobile-only{display:block}
      .section-head{align-items:start;flex-direction:column}
      .floating{right:12px;bottom:12px}
      table{min-width:780px}
    }