:root{--bg:#0f172a;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--soft:#f1f5f9;--brand:#0ea5e9;--brand2:#f97316;--white:#fff;--radius:20px;--shadow:0 20px 60px rgba(15,23,42,.12)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92vw);margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-wrap{height:72px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:12px;min-width:250px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#0369a1);color:#fff;display:grid;place-items:center;font-weight:900}.brand strong{display:block;font-size:18px;line-height:1.1}.brand em{display:block;font-style:normal;font-size:12px;color:var(--muted)}.nav{display:flex;gap:18px;align-items:center;font-size:15px;margin-left:auto}.nav a:hover,.text-link{color:#0369a1}.nav-call{background:#0f172a;color:#fff;border-radius:999px;padding:10px 16px;white-space:nowrap}.nav-toggle{display:none}.hero{background:linear-gradient(135deg,#0f172a 0%,#123b5a 52%,#075985 100%);color:#fff;padding:80px 0 56px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}.eyebrow{display:inline-flex;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 12px;font-size:14px;margin-bottom:20px}.hero h1{font-size:clamp(34px,5vw,60px);line-height:1.12;margin:0 0 18px}.hero-subtitle{font-size:18px;color:#dbeafe;max-width:760px}.hero-actions,.trust-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.trust-row span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:8px 12px;color:#e0f2fe}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:14px;padding:12px 18px;background:#fff;color:#0f172a;font-weight:700}.btn.primary{background:linear-gradient(135deg,var(--brand2),#ea580c);border-color:transparent;color:#fff}.hero-card{background:#fff;color:var(--ink);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}.hero-card img{height:260px;width:100%;object-fit:cover}.hero-card-info{padding:22px}.hero-card-info p{margin:4px 0 14px;color:var(--muted)}.section{padding:72px 0}.section.compact{padding:28px 0}.bg-soft{background:var(--soft)}.bg-dark{background:#0f172a;color:#fff}.section-title{text-align:center;margin-bottom:32px}.section-title.left{text-align:left}.section-title.small{margin-top:34px}.section-title span,.tag{display:inline-flex;border-radius:999px;padding:5px 10px;background:#e0f2fe;color:#0369a1;font-weight:800;font-size:13px}.bg-dark .section-title span{background:rgba(255,255,255,.1);color:#fcd34d}.section-title h2,.section-title h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:12px 0}.section-title p{color:var(--muted);max-width:760px;margin:0 auto}.section-title.left p{margin-left:0}.bg-dark .section-title p{color:#cbd5e1}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat-grid div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.06)}.stat-grid strong{font-size:30px;display:block;color:#0369a1}.stat-grid span{color:var(--muted)}.card-grid{display:grid;gap:20px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.service-card,.cert-card,.case-card,.content-panel,.contact-card,.form-card,.cert-detail,.local-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 36px rgba(15,23,42,.07)}.service-card h3,.service-card h2{margin:14px 0 8px;line-height:1.35}.service-card p,.case-card p,.cert-card p,.cert-detail p{color:var(--muted)}.cert-card img{height:170px;width:100%;object-fit:cover;border-radius:16px;margin-bottom:16px}.case-card{padding:0;overflow:hidden}.case-card img{height:210px;width:100%;object-fit:cover}.case-card div{padding:22px}.two-col{display:grid;grid-template-columns:1fr .75fr;gap:30px;align-items:center}.area-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.area-list a,.mini-service-list a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px}.local-box{background:#0f172a;color:#fff;border-color:#334155}.local-box ul{margin:8px 0 0;padding-left:20px}.breadcrumb{font-size:14px;color:var(--muted);padding:18px 0}.breadcrumb span{margin:0 8px}.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}.content-panel h1{font-size:clamp(30px,4vw,48px);line-height:1.2}.lead{font-size:18px;color:#334155}.steps{counter-reset:item;padding:0;list-style:none}.steps li{counter-increment:item;margin:10px 0;padding:14px 14px 14px 52px;background:var(--soft);border-radius:14px;position:relative}.steps li:before{content:counter(item);position:absolute;left:14px;top:14px;width:26px;height:26px;border-radius:50%;background:#0ea5e9;color:#fff;display:grid;place-items:center;font-weight:800}.keyword-line{background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:14px;color:#9a3412}.contact-card{position:sticky;top:92px}.contact-card .big-phone{font-size:28px;color:#ea580c;font-weight:900}.contact-card .btn{width:100%;margin-top:10px}.faq-list{display:grid;gap:12px}.faq-list details{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:18px}.faq-list.light details{background:#fff;border:1px solid var(--line);color:var(--ink)}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{color:#cbd5e1}.faq-list.light p{color:#475569}.wide-img{border-radius:18px;margin-bottom:22px;max-height:420px;width:100%;object-fit:cover}.cert-detail{display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:center}.cert-detail img{height:180px;width:100%;object-fit:cover;border-radius:16px}.contact-grid{display:grid;grid-template-columns:1fr 430px;gap:28px}.form-card label{display:block;margin-bottom:14px;font-weight:700}.form-card input,.form-card textarea,.form-card select{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:12px;padding:12px;font:inherit}.success{background:#dcfce7;color:#166534;border-radius:12px;padding:12px;margin-bottom:14px}.info-list{background:var(--soft);border-radius:16px;padding:18px;margin:20px 0}.map-placeholder{border:1px dashed #94a3b8;border-radius:16px;padding:28px;background:#f8fafc;color:#475569}.cta{padding-top:20px}.cta-inner{background:linear-gradient(135deg,#0f172a,#075985);color:#fff;border-radius:28px;padding:34px;display:flex;justify-content:space-between;gap:24px;align-items:center}.footer{background:#020617;color:#cbd5e1;padding:54px 0 84px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}.footer h3,.footer h4{color:#fff}.footer-bottom{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid #1e293b;margin-top:28px;padding-top:18px;font-size:14px}.mobile-actions{display:none}.mini-service-list{display:flex;gap:10px;flex-wrap:wrap}.muted{color:var(--muted)}@media(max-width:900px){.nav{display:none}.nav-toggle{display:block;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px}.nav-open .nav{display:flex;position:absolute;left:4vw;right:4vw;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.nav-call{display:none}.hero-grid,.two-col,.page-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}.card-grid.three,.card-grid.four,.card-grid.two,.stat-grid{grid-template-columns:1fr}.cert-detail{grid-template-columns:1fr}.contact-card{position:static}.cta-inner{display:block}.mobile-actions{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1fr;z-index:60}.mobile-actions a{background:#f97316;color:#fff;text-align:center;padding:14px;font-weight:900}.mobile-actions a:first-child{background:#0f172a}.brand{min-width:auto}.brand em{display:none}.section{padding:46px 0}.hero{padding:50px 0}.topbar{position:sticky}}
.brand-mark{overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(15,23,42,.10)}.brand-mark img{width:100%;height:100%;object-fit:contain;padding:3px}.lazy-img{background:#f1f5f9;filter:blur(8px);transition:filter .35s ease,opacity .35s ease}.lazy-img.is-loaded{filter:none}.cert-card noscript,.case-card noscript,.cert-detail noscript,.content-panel noscript{display:none}