:root{--bg:#f6f8fc;--bg2:#eef4ff;--card:#ffffff;--text:#132238;--muted:#5e6b85;--line:#dce4f2;--brand:#2f6bff;--brand2:#19b3a6;--brand3:#ffb84d;--shadow:0 18px 50px rgba(36,64,128,.08);--shadow2:0 10px 24px rgba(36,64,128,.12);--radius:22px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#f9fbff 0%,#f3f7ff 42%,#f8fafc 100%);line-height:1.65}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,228,242,.85)}
    .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:18px;line-height:1.1}.brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#30405c;padding:8px 10px;border-radius:999px;transition:.2s}.nav-links a:hover,.nav-links a.active{background:#eaf1ff;color:#1b4fe0}
    .nav-cta{display:flex;align-items:center;gap:10px}.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;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#4f89ff);color:#fff;box-shadow:0 12px 24px rgba(47,107,255,.22)}
    .btn-secondary{background:#eef4ff;color:#2146b5;border:1px solid #d9e6ff}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .menu-toggle{display:none;background:#eef4ff;border:1px solid #d9e6ff;color:#234;font-size:14px;padding:10px 14px;border-radius:12px}
    header.hero{padding:34px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f3f8ff 55%,#edf5ff 100%);border:1px solid var(--line);border-radius:32px;padding:34px;box-shadow:var(--shadow)}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle,rgba(47,107,255,.18),transparent 65%);right:-50px;top:-40px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle,rgba(25,179,166,.18),transparent 65%);right:10%;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#2651d9;background:#eaf1ff;border:1px solid #d7e4ff;padding:8px 12px;border-radius:999px}
    h1{margin:14px 0 12px;font-size:clamp(30px,4.6vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;color:#41506d;max-width:58ch;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
    .point{background:rgba(255,255,255,.78);border:1px solid #dde6f4;border-radius:18px;padding:16px}
    .point b{display:block;font-size:20px;color:#18315c}.point span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{background:linear-gradient(180deg,#ffffff,#f8fbff);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
    .side-card h3,.section-title h2{margin:0 0 10px;font-size:22px}.section-title p{margin:0;color:var(--muted)}
    .mini-list{display:grid;gap:10px;margin-top:14px}.mini-item{display:flex;gap:10px;align-items:flex-start;color:#334560;font-size:14px}.dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:7px;flex:0 0 auto}
    section{padding:20px 0}
    .section-title{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(36,64,128,.05);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
    .metric{font-size:30px;font-weight:800;letter-spacing:-.03em;color:#173469}.metric small{font-size:14px;font-weight:600;color:var(--muted)}
    .subtle{color:var(--muted);font-size:14px}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#edf5ff;color:#2453d6;font-size:12px;font-weight:700}
    .service-tags{display:flex;flex-wrap:wrap;gap:10px}
    .service-tags span,.tag{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #dce4f2;color:#30405c;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px 18px 20px}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf1ff,#dff4f2);font-weight:800;color:#2146b5;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 18px;border-bottom:1px solid #edf2fb;text-align:left;vertical-align:top}
    th{background:#f5f8ff;font-size:14px;color:#334463}.rating{font-weight:800;color:#173469}
    .compare-highlight{background:linear-gradient(135deg,#f1f7ff,#eefcf7)}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .timeline .card{position:relative;padding-top:24px}
    .timeline .card:before{content:"";position:absolute;top:0;left:20px;right:20px;height:4px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand2),var(--brand3))}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 6px 18px rgba(36,64,128,.04);overflow:hidden}
    summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;color:#20324f} summary::-webkit-details-marker{display:none}
    details p{margin:0;padding:0 20px 18px;color:var(--muted)}
    .reviews,.cases,.articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{font-size:14px;color:#41506d}.name{margin-top:12px;font-weight:800}.role{font-size:12px;color:var(--muted)}
    .media-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:stretch}
    .media-box{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .media-box img{width:100%;height:auto}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}.field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#30405c}input,select,textarea{width:100%;border:1px solid #d8e3f2;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:#8fb0ff;box-shadow:0 0 0 4px rgba(47,107,255,.1)}
    textarea{min-height:120px;resize:vertical}
    .footer{padding:26px 0 36px;border-top:1px solid var(--line);margin-top:14px;background:linear-gradient(180deg,#f6f9ff,#eef4ff)}
    .footer-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .foot-links a{color:#27406d;padding:8px 10px;border-radius:999px;background:#fff;border:1px solid #dbe5f3}
    .copyright{margin-top:14px;color:#5f6e88;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid #d8e3f2;box-shadow:var(--shadow2);color:#2146b5;font-weight:800}
    .customer{position:fixed;left:16px;bottom:16px;z-index:60;max-width:260px;background:#fff;border:1px solid #d8e3f2;border-radius:22px;padding:14px;box-shadow:var(--shadow2)}
    .customer img{width:100%;border-radius:14px;margin-top:10px}
    .anchor-spacer{scroll-margin-top:92px}
    .reveal{opacity:0;transform:translateY(16px);transition:.65s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    .mobile-only{display:none}
    @media (max-width: 1024px){.hero-grid,.media-grid,.footer-grid{grid-template-columns:1fr}.grid-4,.grid-3,.reviews,.cases,.articles,.workflow,.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-links{display:none}.menu-toggle{display:inline-flex}.nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.mobile-only{display:block}}
    @media (max-width: 640px){.container{width:min(100% - 20px,1180px)}.hero-main{padding:24px;border-radius:26px}.hero-points,.grid-4,.grid-3,.reviews,.cases,.articles,.workflow,.timeline,.form-grid{grid-template-columns:1fr}.section-title{flex-direction:column;align-items:flex-start}.nav-cta .btn-secondary{display:none}.customer{max-width:190px}.customer .subtle{font-size:12px}}