:root{color-scheme:light;--ink: #18211f;--muted: #66716d;--line: #dfe8e3;--paper: #f8faf7;--soft: #eef4ef;--accent: #0f766e;--accent-strong: #0b4f49;--warm: #b66b2f;--white: #fff;--header-h: 72px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,PingFang SC,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);background:color-mix(in srgb,var(--paper) 90%,transparent);border-bottom:1px solid rgba(24,33,31,.08);backdrop-filter:blur(20px)}.brand{display:inline-flex;align-items:center;gap:12px;min-width:180px;transition:opacity .2s ease}.brand:hover{opacity:.8}.brand-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%);color:var(--white);font-weight:800;font-size:20px;box-shadow:0 2px 8px #0f766e33}.brand-text strong,.brand-text small{display:block;line-height:1.2}.brand-text strong{font-size:16px}.brand-text small{margin-top:2px;color:var(--muted);font-size:12px}nav{display:flex;align-items:center;gap:clamp(20px,2.8vw,36px);color:#34413d;font-size:15px;font-weight:500}nav a{transition:color .2s ease}nav a:hover{color:var(--accent)}nav a:last-child{padding:10px 20px;color:var(--white);background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%);border-radius:8px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease}nav a:last-child:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0f766e4d;color:var(--white)}.section{padding:clamp(72px,9vw,128px) clamp(20px,5vw,72px)}.section-inner{width:min(1200px,100%);margin:0 auto}.eyebrow{margin:0 0 14px;color:var(--accent);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}h1,h2,h3,p{margin-top:0}h1{max-width:820px;margin-bottom:24px;font-size:clamp(36px,4.6vw,64px);line-height:1.12;letter-spacing:0}h2{max-width:760px;margin-bottom:18px;font-size:clamp(28px,3.4vw,44px);line-height:1.16;letter-spacing:0}h3{margin-bottom:12px;font-size:20px;line-height:1.3;letter-spacing:0}.lead{max-width:680px;color:#3e4b47;font-size:clamp(17px,1.8vw,20px);line-height:1.6}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:8px;font-weight:600;font-size:15px;transition:transform .2s ease,background .2s ease,box-shadow .2s ease;cursor:pointer;border:none}.button.primary{color:var(--white);background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%);box-shadow:0 2px 8px #0f766e33}.button.primary:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0f766e4d}.button.secondary{color:var(--ink);background:#ffffffe6;border:1px solid rgba(24,33,31,.15)}.button.secondary:hover{transform:translateY(-2px);background:var(--white);box-shadow:0 4px 12px #18211f1a}.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,88px);align-items:center}.site-footer{background:#14201d;color:var(--white)}.footer-content{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;padding:64px clamp(20px,5vw,72px);max-width:1200px;margin:0 auto}.footer-brand{display:grid;gap:16px}.footer-brand .brand-mark{width:48px;height:48px;font-size:24px}.footer-brand strong{font-size:20px}.footer-brand p{max-width:480px;margin:0;color:#ffffffb3;line-height:1.6}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}.footer-column h4{margin:0 0 16px;color:var(--white);font-size:16px;font-weight:600}.footer-column a{display:block;margin-bottom:12px;color:#ffffffb3;font-size:15px;transition:color .2s ease}.footer-column a:hover{color:var(--white)}.footer-bottom{padding:24px clamp(20px,5vw,72px);border-top:1px solid rgba(255,255,255,.1);text-align:center}.footer-bottom p{margin:0;color:#ffffff80;font-size:14px}@media(max-width:860px){:root{--header-h: 64px}.site-header{padding:0 18px}nav a:not(:last-child){display:none}.brand{min-width:0}.grid-2{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;gap:40px;padding:48px 20px}.footer-links{grid-template-columns:1fr;gap:32px}}