:root{--green:#0F7F76;--green-2:#13AA9A;--accent:#12B886;--mint:#EAF8F5;--ink:#102a24;--muted:#56716a;--line:#dce9e4;--white:#fff;--shadow:0 18px 55px rgba(15,127,118,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:#fbfdfc;line-height:1.7}a{color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{height:72px;display:flex;align-items:center;gap:28px}.logo{margin-right:auto}.logo img{display:block;width:148px;height:auto}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{text-decoration:none;color:#355b51;font-size:14px}.nav-links a:hover{color:var(--green-2)}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:10px;background:var(--green);color:white;text-decoration:none;font-weight:700;border:1px solid var(--green)}.button.secondary{background:white;color:var(--green)}.hero{overflow:hidden;padding:90px 0 72px;background:radial-gradient(circle at 90% 0,#ccefe2 0,transparent 35%),linear-gradient(180deg,#f4fbf8,#fff)}.breadcrumb{font-size:14px;color:#67827a;margin-bottom:28px}.breadcrumb a{color:var(--green-2);text-decoration:none}.eyebrow{color:var(--green-2);font-weight:800;letter-spacing:.08em}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:58px;align-items:center}h1{font-size:clamp(40px,6vw,64px);line-height:1.13;letter-spacing:-.035em;margin:12px 0 24px}.lead{font-size:20px;color:var(--muted);max-width:730px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.hero-card{background:white;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.hero-card h2{font-size:20px;margin-top:0}.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid #edf3f0}.checklist li:last-child{border:0}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green-2);font-weight:900}.section{padding:80px 0}.section.tint{background:var(--mint)}.section-head{max-width:760px;margin-bottom:38px}.section h2{font-size:clamp(30px,4vw,42px);line-height:1.2;margin:0 0 15px}.section-head p,.card p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:28px}.card h3{margin:0 0 10px;font-size:20px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{counter-increment:step;background:white;border:1px solid var(--line);padding:25px;border-radius:18px}.step:before{content:"0" counter(step);display:block;color:var(--green-2);font-weight:900;margin-bottom:16px}.step h3{font-size:18px;margin:0 0 8px}.faq{max-width:850px}.faq details{background:white;border:1px solid var(--line);border-radius:14px;padding:19px 22px;margin:12px 0}.faq summary{font-weight:750;cursor:pointer}.faq p{color:var(--muted);margin-bottom:2px}.cta{margin:80px auto;background:linear-gradient(135deg,#0b4d3c,#138568);color:white;border-radius:24px;padding:50px;display:flex;align-items:center;gap:30px}.cta div{margin-right:auto}.cta h2{font-size:32px;margin:0 0 8px}.cta p{margin:0;color:#d9f3e9}.cta .button{background:white;color:var(--green);border-color:white}.footer{border-top:1px solid var(--line);padding:45px 0;color:#607a73}.footer-row{display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer a{text-decoration:none}.footer a:hover{color:var(--green-2)}
@media(max-width:820px){.nav-links{display:none}.hero{padding-top:60px}.hero-grid{grid-template-columns:1fr}.hero-card{display:none}.cards,.steps{grid-template-columns:1fr}.cta{display:block;padding:34px}.cta .button{margin-top:24px}.footer-row{display:block}.footer-links{margin-top:18px}h1{font-size:42px}.logo img{width:128px}}