:root{--bg:#f5fbfb;--panel:#ffffff;--panel2:#eef9f8;--line:#d7e8e7;--text:#17313a;--muted:#58727a;--brand:#0f8b92;--brand2:#31c2b9;--shadow:0 16px 40px rgba(14,71,78,.10);--radius:22px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#eef9fb 0%,#f8fcfc 34%,#f4fbfb 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(245,251,251,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(215,232,231,.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:42px;height:42px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:18px}.brand span{display:block;font-size:12px;color:var(--muted)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    nav ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;align-items:center;justify-content:flex-end}
    nav a{display:inline-flex;align-items:center;padding:9px 12px;border-radius:999px;color:var(--text);font-size:14px}.nav-cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff !important;box-shadow:0 10px 24px rgba(15,139,146,.24)}
    .hero{padding:44px 0 28px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel,.faq-item,.quote,.form-wrap{background:var(--panel);border:1px solid rgba(215,232,231,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}.hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(49,194,185,.18),rgba(49,194,185,0) 70%)}.hero-main:before{width:240px;height:240px;right:-80px;top:-60px}.hero-main:after{width:180px;height:180px;right:80px;bottom:-70px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:var(--panel2);color:var(--brand);font-weight:600;font-size:13px}
    h1{font-size:clamp(32px,4vw,52px);line-height:1.1;margin:16px 0 14px;letter-spacing:-.02em}.lead{color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .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:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover,.card:hover,.quote:hover,.faq-item:hover,.panel:hover,.hero-side:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(14,71,78,.14)}.btn:active{transform:translateY(-1px)}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.meta{padding:14px;border-radius:18px;background:#f8fcfc;border:1px solid var(--line)}.meta strong{display:block;font-size:20px}.meta span{font-size:13px;color:var(--muted)}
    .hero-side{padding:22px;background:linear-gradient(180deg,#fdfefe,#eefaf8)}.side-list{display:grid;gap:12px;margin-top:14px}.side-item{padding:14px 14px 14px 16px;border-left:3px solid var(--brand);background:#fff;border-radius:14px;border:1px solid var(--line)}
    section{padding:20px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}.section-title h2{margin:0;font-size:26px}.section-title p{margin:0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:20px}.card h3{margin:0 0 10px;font-size:18px}.card p,.card li{color:var(--muted);line-height:1.75}.card ul{margin:0;padding-left:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#25545c}
    .timeline{display:grid;gap:12px}.step{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .num{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:14px 16px;border-bottom:1px solid #e6efee;text-align:left;vertical-align:top}th{background:#f3fbfa;color:#10353c}
    .faq-item{padding:0;overflow:hidden}.faq-q{width:100%;padding:18px 20px;background:transparent;border:0;color:var(--text);text-align:left;font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:12px;cursor:pointer}.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted)}.faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quote{padding:18px}.quote .name{font-weight:800;color:var(--text)}.quote .role{font-size:13px;color:var(--brand);margin-bottom:10px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article{padding:18px;background:#fff;border:1px solid var(--line);border-radius:20px}.article a{color:var(--brand);font-weight:700}
    .form-wrap{padding:22px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:grid;gap:8px}.field label{font-size:14px;font-weight:700}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);font:inherit}.field textarea{min-height:120px;resize:vertical}.full{grid-column:1/-1}
    footer{margin-top:10px;padding:26px 0 34px;background:#eaf6f5;color:#17313a;border-top:1px solid var(--line)}footer a{color:#0d747a} .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .floating{position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px}.float-btn{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px rgba(15,139,146,.25);border:0}
    .customer{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}.customer img{width:120px;height:120px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.gallery img,.square img{border-radius:18px;border:1px solid var(--line);background:#fff}
    .kefu{display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center}
    .intro-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    @media (max-width: 960px){.hero-grid,.grid-3,.grid-4,.quotes,.articles,.footer-grid{grid-template-columns:1fr}.hero-meta{grid-template-columns:1fr}.gallery,.form-grid{grid-template-columns:1fr}.customer,.kefu{grid-template-columns:1fr}.section-title{align-items:flex-start;flex-direction:column}.menu-btn{display:inline-flex}nav{display:none;width:100%}nav.open{display:block}nav ul{justify-content:flex-start;padding-top:10px}.nav{flex-wrap:wrap}}
    @media (max-width: 640px){.hero-main,.hero-side,.card,.panel,.faq-q,.quote,.article,.form-wrap{padding:18px}.hero{padding-top:22px}h1{font-size:30px}}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}.reveal.in{opacity:1;transform:none}