*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#111827;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}header{height:52px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e8edf3;position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);z-index:30}.logo{font-weight:800;letter-spacing:1px}.logo em{font-style:normal;font-size:8px;color:#94a3b8;letter-spacing:2px;margin-left:8px}nav{display:flex;gap:14px;align-items:center;color:#64748b;font-size:12px}.navcta{background:#111827;color:#fff;padding:10px 15px;border-radius:6px}.mobile{display:none;border:0;background:none;font-size:22px}.hero{padding:96px 5vw 104px;background:#f7f9fc}.eyebrow,.label{font-size:10px;letter-spacing:1.5px;font-weight:800;color:#64748b}.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.02;letter-spacing:-3px;max-width:1100px;margin:10px 0}.hero h1 strong{color:#2563eb}.hero p{color:#64748b;line-height:1.7;font-size:15px;max-width:560px}.muted{color:#64748b;line-height:1.6}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.btn{display:inline-block;padding:10px 16px;border-radius:6px;font-size:12px}.primary{background:#111827;color:#fff}.secondary{border:1px solid #dbe2ea;background:#fff}.btn.knowledge{background:#2563eb;color:#fff;border:1px solid #2563eb}.section{padding:36px 5vw}.section h2{font-size:clamp(26px,4vw,40px);letter-spacing:-2px;line-height:1.03;margin:4px 0}.gray{background:#f7f9fc}.blue{background:#eaf1ff}.dark{background:#111827;color:#fff}.dark .label,.dark .muted{color:#94a3b8}.grid{display:grid;gap:1px;background:#e1e7ee;margin-top:12px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;padding:14px;min-height:0}.dark .card{background:#111827}.dark .btn.primary{background:#fff;color:#111827}.dark .btn.secondary{border-color:#334155;background:transparent;color:#fff}.card h3{font-size:16px;margin:4px 0}.card p{font-size:13px;color:#64748b;line-height:1.6}.list{margin-top:12px;border-top:1px solid #e1e7ee}.list div{display:grid;grid-template-columns:120px 1fr;padding:10px 0;border-bottom:1px solid #e1e7ee}.list span{font-size:13px;color:#64748b;line-height:1.6}.price{font-size:42px;font-weight:800;letter-spacing:-2px}.price small{font-size:16px;letter-spacing:0}.contact{padding:36px 5vw;background:#f7f9fc;display:grid;grid-template-columns:1.05fr .95fr;gap:24px}.contact h2{font-size:clamp(28px,4vw,44px);line-height:1;letter-spacing:-2px;margin:4px 0}.box{background:#fff;border:1px solid #e1e7ee;border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:8px}.box a:first-child{font-size:22px;font-weight:700}.box a{font-size:14px}.box p,.box small{font-size:12px;color:#64748b;line-height:1.6}.box small{border-top:1px solid #edf0f4;padding-top:10px}.form{display:grid;gap:8px;margin-top:12px}.form input,.form textarea,.form select{width:100%;padding:9px 11px;border:1px solid #dbe2ea;border-radius:6px;background:#fff;outline:none}.form textarea{min-height:70px;resize:vertical}.form button{border:0;cursor:pointer}.toast{display:none;padding:13px;background:#eef6ff;color:#2563eb;border-radius:6px;font-size:12px}.producthero{padding:30px 5vw 36px}.producthero h1{font-size:clamp(28px,4.5vw,46px);letter-spacing:-2px;line-height:1;margin:4px 0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e1e7ee;margin-top:12px}.step{background:#fff;padding:14px;min-height:0}.step i{font-style:normal;color:#2563eb;font-size:10px}.step h3{margin-top:12px}.step p{font-size:13px;color:#64748b;line-height:1.6}.casehero{padding:30px 5vw;background:#f7f9fc}.casehero h1{font-size:clamp(26px,4vw,42px);letter-spacing:-2px}.casebody{padding:32px 5vw}.casebody h2{font-size:20px;letter-spacing:-2px}.back{font-size:11px;color:#94a3b8;padding:12px 16px;display:block}footer{padding:14px 16px;border-top:1px solid #e8edf3;color:#64748b;font-size:11px;display:flex;justify-content:space-between}
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.breadcrumb{font-size:13px;color:#6B6B6B;padding:8px 5vw 0;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.breadcrumb a{color:#2563eb;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb i{font-style:normal;color:#CBD5E1;margin:0 2px}
.breadcrumb span{color:#6B6B6B}
.faqlist{max-width:720px}
.faqitem{padding:16px 0;border-bottom:1px solid #E2E8F0}
.faqitem:last-child{border-bottom:none}
.faqitem h3{font-size:15px;font-weight:600;color:#111827;margin:0 0 6px}
.faqitem p{font-size:14px;line-height:1.7;margin:0}
.dellist{padding-left:20px;line-height:2}
.dellist li{font-size:14px;color:#374151}
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footer a{color:inherit;text-decoration:none}footer a:hover{text-decoration:underline}