:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f1f6ff;
      --text:#132238;
      --muted:#5d6b84;
      --line:#dbe5f2;
      --primary:#2563eb;
      --accent:#8b5cf6;
      --accent2:#06b6d4;
      --warm:#ff7a59;
      --shadow:0 18px 50px rgba(19,34,56,.10);
      --shadow-soft:0 10px 26px rgba(19,34,56,.08);
      --radius:22px;
      --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;background:
      radial-gradient(circle at top left, rgba(37,99,235,.09), transparent 24%),
      radial-gradient(circle at top right, rgba(139,92,246,.08), transparent 20%),
      linear-gradient(180deg, #f8fbff 0%, #f5f8fd 46%, #f7f9fe 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}
    header{position:sticky;top:0;z-index:40;background:rgba(246,248,252,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,229,242,.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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:var(--shadow-soft);padding:4px}
    .brand strong{display:block;font-size:1.02rem;letter-spacing:.4px}
    .brand span{display:block;font-size:.86rem;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px}
    .nav-links a{font-size:.94rem;color:#2a3850;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover,.nav-links a.active{background:rgba(37,99,235,.09);color:var(--primary)}
    .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}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 16px 30px rgba(37,99,235,.25)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px}
    main{overflow:hidden}
    section{padding:28px 0}
    .hero{padding:34px 0 18px}
    .hero-wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-panel,.card,.info-box,.faq-item,.review-card,.case-card,.article-card,.timeline-item,.table-wrap,.form-card,.price-card{background:rgba(255,255,255,.82);border:1px solid rgba(219,229,242,.9);box-shadow:var(--shadow-soft);border-radius:var(--radius)}
    .hero-panel{padding:30px;position:relative;overflow:hidden}
    .hero-panel::before,.hero-panel::after{content:"";position:absolute;border-radius:999px;filter:blur(2px)}
    .hero-panel::before{width:180px;height:180px;right:-40px;top:-38px;background:radial-gradient(circle, rgba(37,99,235,.20), transparent 70%)}
    .hero-panel::after{width:220px;height:220px;left:-92px;bottom:-120px;background:radial-gradient(circle, rgba(139,92,246,.16), transparent 68%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(37,99,235,.09);color:var(--primary);font-weight:700;font-size:.88rem}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:1.04rem;max-width:60ch}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .meta-chip{padding:14px 16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f5f9ff);border:1px solid var(--line)}
    .meta-chip b{display:block;font-size:1.06rem}
    .meta-chip span{display:block;font-size:.88rem;color:var(--muted);margin-top:4px}
    .hero-side{display:grid;gap:16px}
    .side-top{padding:22px}
    .side-top h2{margin:0 0 10px;font-size:1.2rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.9rem;color:#2e3d58}
    .side-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{padding:20px}
    .stat b{display:block;font-size:1.6rem;color:var(--primary)}
    .stat span{display:block;color:var(--muted);font-size:.92rem;margin-top:4px}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title h2{margin:0;font-size:clamp(1.5rem,2.7vw,2.2rem)}
    .section-title p{margin:0;color:var(--muted);max-width:64ch}
    .grid{display:grid;gap:16px}
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-2{grid-template-columns:repeat(2,1fr)}
    .card{padding:22px}
    .card h3,.case-card h3,.article-card h3,.review-card h3{margin:0 0 10px;font-size:1.06rem}
    .card p,.case-card p,.article-card p,.review-card p,.faq-item p{margin:0;color:var(--muted)}
    .icon-dot{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(139,92,246,.12));color:var(--primary);font-weight:800;margin-bottom:14px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:20px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line);border-radius:20px}
    .step .num{font-size:.84rem;color:var(--primary);font-weight:800}
    .table-wrap{padding:20px;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{font-size:.92rem;color:#34445f;background:#f7fbff}
    td{color:#2a3850}
    .rating{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}
    .stars{color:#f59e0b;font-size:1.1rem;letter-spacing:2px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(6,182,212,.10);color:#046b7e;font-weight:700;font-size:.86rem}
    .content-split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .timeline{display:grid;gap:14px}
    .timeline-item{padding:18px 20px}
    .timeline-item strong{display:block;margin-bottom:6px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;color:var(--text);padding:18px 20px;display:flex;justify-content:space-between;align-items:center;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 20px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .faq-q span{font-size:1.3rem;color:var(--primary);transition:transform .2s ease}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card{padding:20px}
    .quote{color:#1f3b66;font-size:1.05rem;line-height:1.7}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800}
    .review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card{padding:18px}
    .article-card .meta{font-size:.86rem;color:var(--muted);margin-top:10px}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case-card{padding:18px}
    .case-card ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{padding:20px}
    .price-card h3{margin:0 0 10px}
    .price-card .price{font-size:1.8rem;font-weight:800;color:var(--accent)}
    .form-card{padding:22px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:.92rem;font-weight:700;margin-bottom:8px;color:#2a3850}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
    .full{grid-column:1/-1}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:16px}
    footer{margin-top:10px;padding:28px 0 18px;background:#eaf1fb;border-top:1px solid var(--line);color:#20314b}
    footer a{color:#153b83}
    .small{font-size:.92rem;color:var(--muted)}
    .contact-card{display:grid;grid-template-columns:140px 1fr;gap:14px;align-items:center}
    .qrcode{background:#fff;padding:10px;border-radius:16px;border:1px solid var(--line)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft);display:grid;place-items:center;cursor:pointer}
    .backtop{opacity:0;pointer-events:none;transition:.2s ease}
    .backtop.show{opacity:1;pointer-events:auto}
    .mobile-only{display:none}
    .marquee{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
    .tile{padding:14px 12px;border-radius:16px;background:linear-gradient(180deg,#fff,#f5f9ff);border:1px solid var(--line);text-align:center;font-size:.92rem}
    .img-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .img-row img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-soft);aspect-ratio:1.15/1;object-fit:cover}
    .banner-row{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .banner-row img{border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-soft);aspect-ratio:16/9;object-fit:cover}
    .banner-stack{display:grid;gap:16px}
    .accordion-note{padding:16px 20px;border-top:1px solid var(--line);color:var(--muted)}
    @media (max-width: 1024px){
      .hero-wrap,.stat-grid,.grid-3,.workflow,.content-split,.review-grid,.article-list,.case-grid,.price-grid,.footer-top,.banner-row,.img-row,.marquee{grid-template-columns:repeat(2,1fr)}
      .hero-meta{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-actions .btn-secondary{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:inline-flex}
      .hero-wrap,.stat-grid,.grid-3,.grid-2,.workflow,.content-split,.review-grid,.article-list,.case-grid,.price-grid,.footer-top,.banner-row,.img-row,.marquee,.side-grid,.form-grid{grid-template-columns:1fr}
      .hero-panel,.card,.review-card,.case-card,.article-card,.form-card,.price-card,.timeline-item,.table-wrap,.faq-q,.faq-a,.side-top{padding-left:18px;padding-right:18px}
      .hero-panel{padding-top:22px;padding-bottom:22px}
      .contact-card{grid-template-columns:1fr}
      .section-title{align-items:start;flex-direction:column}
      .nav{padding:12px 0}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease, transform .55s ease}
    .reveal.visible{opacity:1;transform:none}