:root{--bg:#f6f8fc;--card:#ffffff;--card2:#f2f6ff;--text:#163047;--muted:#5c6c7a;--line:#dce6f3;--primary:#3f7cff;--primary2:#7b5cff;--accent:#2bc4b6;--warn:#ffb84d;--shadow:0 18px 50px rgba(34,67,126,.10);--radius:22px;--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,#eef4ff 0,#f7f9fd 36%,#f6f8fc 72%);color:var(--text)}
    img{display:block;max-width:100%}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,243,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 18px rgba(63,124,255,.12)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px;align-items:center}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}
    .nav-links a:hover{background:#eaf1ff;color:#2456d4}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 30px rgba(63,124,255,.22)}
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 18px 34px rgba(63,124,255,.28)}
    .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#b7c8e5}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .hero{padding:42px 0 26px;position:relative;overflow:hidden}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
    .hero:before{width:280px;height:280px;background:radial-gradient(circle,rgba(63,124,255,.14),transparent 68%);right:-70px;top:-20px}
    .hero:after{width:260px;height:260px;background:radial-gradient(circle,rgba(43,196,182,.16),transparent 68%);left:-90px;bottom:-80px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel{background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(246,249,255,.96));border:1px solid rgba(220,230,243,.9);border-radius:30px;box-shadow:var(--shadow)}
    .hero-copy{padding:36px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#edf4ff;color:#2456d4;border:1px solid #dce7ff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .point{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
    .point b{display:block;font-size:18px;margin-bottom:4px}
    .point span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .hero-panel{padding:18px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{background:linear-gradient(180deg,#ffffff,#f5f8ff);border:1px solid var(--line);border-radius:20px;padding:18px;min-height:112px}
    .stat strong{display:block;font-size:28px;line-height:1}
    .stat span{display:block;margin-top:10px;color:var(--muted);font-size:13px;line-height:1.5}
    .section{padding:18px 0 2px}
    .section h2{margin:0 0 14px;font-size:clamp(24px,3.4vw,36px);line-height:1.15}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head p{margin:0;color:var(--muted);max-width:760px;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 28px rgba(25,49,91,.06);padding:20px;transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(25,49,91,.10)}
    .service h3,.solution h3,.faq-item button,.review h3,.case h3,.article h3{margin:0 0 10px;font-size:18px}
    .card p,.review p,.solution p,.case p,.article p{margin:0;color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#29445f;font-size:13px}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}
    .step em{font-style:normal;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#edf4ff,#edf9ff);color:#2456d4;font-weight:800;font-size:22px}
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 28px rgba(25,49,91,.06)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
    th{background:#f6f9ff;color:#1b3551}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:#edf7ff;color:#1560b3;font-size:12px;font-weight:700}
    .highlight{color:#0f7a63;font-weight:800}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{position:relative}
    .review:before{content:"“";position:absolute;right:16px;top:6px;font-size:54px;color:#dfe8f8;line-height:1}
    .mini-meta{margin-top:14px;color:#678;font-size:13px}
    .media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .media-grid img{width:100%;border-radius:18px;border:1px solid var(--line);background:#fff;object-fit:cover}
    .info-cols{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article .badge{margin-bottom:12px}
    .faq{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .faq-item button{width:100%;text-align:left;padding:18px 18px;background:transparent;border:0;display:flex;justify-content:space-between;gap:16px;align-items:center;cursor:pointer;color:var(--text)}
    .faq-item button span{font-size:16px;line-height:1.5}
    .faq-item .answer{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item .answer p{margin:0;color:var(--muted);line-height:1.8;padding:0 0 18px}
    .faq-item.active .answer{max-height:220px}
    .faq-item.active button{background:#f7faff}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#264159}
    input,select,textarea{width:100%;padding:14px 15px;border-radius:16px;border:1px solid var(--line);background:#fff;color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease}
    input:focus,select:focus,textarea:focus{border-color:#7ca8ff;box-shadow:0 0 0 4px rgba(63,124,255,.12)}
    textarea{min-height:132px;resize:vertical}
    .footer{margin-top:24px;padding:24px 0 18px;background:#10233d;color:#dbe8ff}
    .footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.10);box-shadow:none}
    .footer .card p,.footer .card li,.footer .card span{color:#dbe8ff}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .footer-bottom{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#dbe8ff;font-size:13px}
    .floating{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;border:0;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 18px 36px rgba(63,124,255,.24);cursor:pointer}
    .float-panel{position:absolute;right:0;bottom:62px;width:min(260px,calc(100vw - 36px));background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);display:none}
    .floating.open .float-panel{display:block}
    .float-panel img{border-radius:16px;border:1px solid var(--line);margin-top:10px}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(10px)}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:none}
    .mobile-menu{display:none}
    .anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .anchors a{font-size:13px;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#24415f}
    .center-note{display:flex;align-items:center;justify-content:space-between;gap:14px}
    @media (max-width: 1024px){
      .hero-grid,.info-cols,.footer-grid{grid-template-columns:1fr}
      .grid-3,.quote-grid,.articles,.media-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .mobile-menu{display:none;padding:0 0 16px}
      .mobile-menu.open{display:block}
      .mobile-menu .card{padding:14px}
      .mobile-menu a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
      .hero{padding-top:18px}
      .hero-copy{padding:24px}
      .grid-3,.quote-grid,.articles,.media-grid,.form-grid{grid-template-columns:1fr}
      .section-head,.center-note{flex-direction:column;align-items:flex-start}
      .step{grid-template-columns:1fr}
      .step em{width:48px;height:48px}
      .floating{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}