:root{--paper:#f8f7f4;--surface:#fff;--ink:#17202b;--sub:#58616d;--muted:#868c94;--line:#dedfdc;--red:#a81019;--red-dark:#7d0a11;--red-soft:#f5e8e8;--navy:#15273a;--shadow:0 20px 60px rgba(27,31,35,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(248,247,244,.95);border-bottom:1px solid rgba(23,32,43,.09);backdrop-filter:blur(12px)}.nav-shell,.hero-shell,.section-shell,.contact-shell,.footer-shell{width:min(1240px,calc(100% - 48px));margin:0 auto}.nav-shell{height:80px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:10px}.brand span{display:flex;flex-direction:column;line-height:1.3}.brand strong{font-size:20px;font-weight:600;letter-spacing:.12em}.brand small{margin-top:4px;color:var(--muted);font-size:11px;white-space:nowrap}.nav-shell nav{display:flex;align-items:center;gap:28px;margin-left:auto}.nav-shell nav a{color:#3e4854;font-size:14px;transition:color .16s ease}.nav-shell nav a:hover,.nav-shell nav a:focus-visible{color:var(--red)}.workbench-link{height:38px;display:inline-flex;align-items:center;border:1px solid #cfd2d0;border-radius:8px;padding:0 16px;background:#fff}.menu-button{display:none;margin-left:auto;border:1px solid #d5d7d4;border-radius:8px;background:#fff;padding:8px 12px;color:var(--ink)}
.hero{min-height:720px;display:flex;align-items:center;border-bottom:1px solid var(--line);overflow:hidden;background:linear-gradient(90deg,#f8f7f4 0 56%,#eeeae4 56%)}.hero-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);align-items:center;gap:80px;padding:72px 0}.eyebrow,.section-index{margin:0;color:var(--red);font-size:12px;font-weight:500;letter-spacing:.14em}.eyebrow{display:flex;align-items:center;gap:12px}.eyebrow span{width:32px;height:1px;background:var(--red)}h1,h2,h3,p{margin-top:0}h1{margin:24px 0;font-size:clamp(44px,5vw,72px);font-weight:500;line-height:1.18;letter-spacing:-.04em}h1 em{color:var(--red);font-style:normal}.hero-lead{max-width:620px;margin-bottom:32px;color:var(--sub);font-size:18px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:28px}.primary-action{display:inline-flex;height:48px;align-items:center;gap:28px;border-radius:8px;background:var(--red);padding:0 22px;color:#fff;font-size:15px;font-weight:500;transition:background-color .16s ease}.primary-action:hover{background:var(--red-dark)}.text-action{color:#39434f;font-size:14px}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);max-width:620px;margin:52px 0 0;border-top:1px solid #cfd1ce;padding-top:20px}.hero-facts div{padding-right:16px}.hero-facts div+div{border-left:1px solid #d8d9d6;padding-left:20px}.hero-facts dt{color:var(--muted);font-size:12px}.hero-facts dd{margin:4px 0 0;color:#333d49;font-size:14px;font-weight:500}.hero-visual{position:relative;min-height:520px}.seal-card{position:absolute;inset:12px 56px 104px 0;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid rgba(23,32,43,.12);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.seal-caption{position:absolute;left:24px;top:20px;color:var(--muted);font-size:11px;letter-spacing:.12em}.seal-card img{width:220px;height:200px;object-fit:contain;mix-blend-mode:multiply}.seal-card p{margin:20px 0 0;color:#777b7f;font-size:12px;letter-spacing:.18em}.service-ledger{position:absolute;right:0;bottom:8px;width:min(400px,90%);overflow:hidden;border:1px solid rgba(23,32,43,.13);border-radius:14px;background:#fff;box-shadow:0 18px 45px rgba(23,32,43,.12)}.service-ledger>div{display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;border-top:1px solid #ececea;padding:12px 16px;font-size:12px}.service-ledger .ledger-head{border-top:0;background:var(--navy);color:#fff}.service-ledger b{font-weight:500}.service-ledger span{color:var(--sub)}.service-ledger .ledger-head span{color:#dfe6ed}
.service-overview{padding:104px 0;background:#fff}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:64px;align-items:end;margin-bottom:48px}.section-heading h2,.process-intro h2,.about-copy h2,.contact h2{margin:12px 0 0;font-size:clamp(32px,3.2vw,48px);font-weight:500;line-height:1.3;letter-spacing:-.03em}.section-heading>p{margin:0;color:var(--sub);font-size:15px;line-height:1.9}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.service-card{position:relative;min-height:360px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 28px;background:#fff}.service-card.featured{background:var(--navy);color:#fff}.service-card.wide{grid-column:span 2;min-height:300px}.service-card.muted-card{background:#f4f3f0}.service-number{position:absolute;right:24px;top:22px;color:#a8adb2;font:12px/1 ui-monospace,SFMono-Regular,Consolas,monospace}.featured .service-number{color:#718093}.line-icon{width:44px;height:44px;display:grid;place-items:center;margin-bottom:28px;border:1px solid #dadcd9;border-radius:10px;color:var(--red)}.featured .line-icon{border-color:#405165;color:#fff}.line-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.service-card h3{margin:0 0 14px;font-size:22px;font-weight:500}.service-card p{min-height:78px;margin:0;color:var(--sub);font-size:14px}.featured p{color:#b8c2cc}.service-card ul{margin:24px 0 0;padding:20px 0 0;border-top:1px solid #e5e6e3;list-style:none}.featured ul{border-color:#34475b}.service-card li{position:relative;padding-left:14px;color:#4f5965;font-size:13px;line-height:2}.featured li{color:#d2dae2}.service-card li:before{position:absolute;left:0;top:1em;width:4px;height:4px;border-radius:50%;background:var(--red);content:""}.featured li:before{background:#e0a1a5}
.process{padding:104px 0;background:#eeeae4}.process-shell{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.2fr);gap:96px}.process-intro{padding-top:12px}.process-intro>p:not(.section-index){max-width:440px;margin:24px 0;color:var(--sub);font-size:15px}.process-intro>a{display:inline-flex;align-items:center;gap:22px;border-bottom:1px solid var(--red);padding:0 0 8px;color:var(--red);font-size:14px}.process-list{margin:0;padding:0;border-top:1px solid #cbcbc7;list-style:none}.process-list li{display:grid;grid-template-columns:64px 1fr;gap:24px;border-bottom:1px solid #cbcbc7;padding:28px 0}.process-list>li>span{color:var(--red);font:13px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace}.process-list h3{margin:0 0 8px;font-size:20px;font-weight:500}.process-list p{margin:0;color:var(--sub);font-size:14px}
.about{padding:104px 0;background:#fff}.about-shell{display:grid;grid-template-columns:minmax(360px,.8fr) minmax(0,1.2fr);gap:88px;align-items:center}.about-mark{min-height:440px;display:grid;place-items:center;background:var(--red-soft);border-radius:20px}.about-mark img{width:240px;height:220px;object-fit:contain;mix-blend-mode:multiply}.about-copy p:not(.section-index){max-width:680px;margin:24px 0 0;color:var(--sub);font-size:16px}.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}.about-tags span{border:1px solid #d9dad7;border-radius:999px;padding:6px 14px;color:#4d5661;font-size:12px}
.contact{padding:88px 0;background:var(--navy);color:#fff}.contact-shell{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:80px;align-items:center}.contact .section-index{color:#d59aa0}.contact h2{margin-top:12px}.contact p:not(.section-index){margin:16px 0 0;color:#b7c1cb}.phone-card{display:flex;flex-direction:column;border-left:1px solid #4b5a6b;padding:8px 0 8px 40px}.phone-card small{color:#aeb9c4;font-size:12px}.phone-card strong{margin:8px 0 12px;font-size:34px;font-weight:500;letter-spacing:.03em}.phone-card span{color:#fff;font-size:13px}.phone-card b{color:#dba0a5;font-weight:400}
footer{background:#101d2b;color:#b5bdc6}.footer-shell{display:grid;grid-template-columns:1fr auto;gap:36px;padding:44px 0}.footer-shell strong{color:#fff;font-size:16px;font-weight:500}.footer-shell p{margin:6px 0 0;font-size:12px}.footer-links{display:flex;gap:24px;align-items:start}.footer-links a{font-size:12px}.footer-links a:hover{color:#fff}.footer-shell>small{grid-column:1/-1;border-top:1px solid #2c3a49;padding-top:20px;color:#758290;font-size:11px}:focus-visible{outline:3px solid rgba(168,16,25,.28);outline-offset:3px}
@media(max-width:980px){.hero{background:var(--paper)}.hero-shell{grid-template-columns:1fr;gap:40px;padding:64px 0}.hero-visual{min-height:450px}.section-heading{grid-template-columns:1fr}.service-grid{grid-template-columns:repeat(2,1fr)}.service-card.wide{grid-column:span 1;min-height:360px}.process-shell,.about-shell,.contact-shell{grid-template-columns:1fr;gap:48px}.about-mark{min-height:360px}.phone-card{border-left:0;border-top:1px solid #4b5a6b;padding:28px 0 0}.nav-shell nav{gap:18px}}
@media(max-width:760px){.nav-shell,.hero-shell,.section-shell,.contact-shell,.footer-shell{width:min(100% - 32px,1240px)}.nav-shell{height:68px}.brand img{width:40px;height:40px}.brand strong{font-size:17px}.brand small{display:none}.menu-button{display:block}.nav-shell nav{position:fixed;inset:68px 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;border-bottom:1px solid var(--line);background:#fff;padding:12px 16px 20px;box-shadow:0 18px 38px rgba(23,32,43,.12)}.nav-shell nav.open{display:flex}.nav-shell nav a{padding:12px}.workbench-link{height:auto;border:0;background:#f1f2f0}.hero{min-height:auto}.hero-shell{padding:52px 0}.hero-copy h1{font-size:42px}.hero-lead{font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.hero-facts{grid-template-columns:1fr;gap:12px;margin-top:36px}.hero-facts div+div{border-left:0;border-top:1px solid #dadbd8;padding:12px 0 0}.hero-visual{min-height:410px}.seal-card{inset:0 20px 88px 0}.seal-card img{width:170px;height:158px}.service-ledger{width:94%}.service-overview,.process,.about{padding:72px 0}.section-heading{gap:20px;margin-bottom:32px}.service-grid{grid-template-columns:1fr}.service-card,.service-card.wide{min-height:auto;padding:28px 24px}.service-card p{min-height:0}.process-shell{gap:40px}.about-mark{min-height:300px}.about-mark img{width:180px;height:170px}.contact{padding:64px 0}.contact-shell{gap:36px}.phone-card strong{font-size:28px}.footer-shell{grid-template-columns:1fr}.footer-links{flex-wrap:wrap;gap:12px 20px}.footer-shell>small{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary-action,.nav-shell nav a{transition:none}}