:root{--ink:#14211e;--muted:#61706a;--paper:#f8f8f3;--line:#dce4db;--green:#0d6e58;--mint:#dceee4;--orange:#e07a46}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{height:72px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(248,248,243,.96)}.brand{font-size:13px;font-weight:800;letter-spacing:.18em;white-space:nowrap}.brand-mark{font-size:28px;line-height:0;color:var(--green);vertical-align:-3px;margin-right:9px}.site-header nav{display:flex;gap:32px;font-size:13px;color:var(--muted)}.site-header nav a:hover,footer a:hover{color:var(--green)}
.hero{min-height:650px;display:grid;grid-template-columns:1fr 1.06fr;align-items:center;gap:42px;padding-top:58px;padding-bottom:72px}.eyebrow,.section-tag{color:var(--green);font-weight:800;letter-spacing:.14em;font-size:11px;text-transform:uppercase}.hero h1{font-size:clamp(52px,5vw,76px);line-height:1.13;letter-spacing:-.06em;margin:21px 0 25px;font-weight:750}.hero h1 em{font-style:normal;color:var(--green)}.lead{max-width:510px;color:var(--muted);font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:38px}.button{display:inline-flex;gap:18px;align-items:center;justify-content:center;padding:12px 21px;border:1px solid var(--green);font-weight:700;font-size:14px;border-radius:4px;transition:.2s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--green);color:white}.button.ghost{color:var(--green)}.hero-visual{background:#fff;border:1px solid var(--line);padding:13px;box-shadow:0 18px 50px rgba(27,49,39,.08)}.hero-visual img{width:100%;height:auto;aspect-ratio:1.08;object-fit:contain}.visual-caption{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:10px 4px 0;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.12em}
.intro-band{background:var(--mint);border-top:1px solid #c9dfd0;border-bottom:1px solid #c9dfd0}.intro-grid{display:grid;grid-template-columns:120px 1fr 92px 92px;gap:32px;align-items:center;padding-top:45px;padding-bottom:45px}.intro-grid h2{font-size:25px;line-height:1.3;margin:0 0 7px}.intro-grid p:not(.section-tag){color:#42564b;margin:0;max-width:680px}.stat{border-left:1px solid #bdd3c2;padding-left:18px}.stat strong{display:block;color:var(--green);font-size:32px;line-height:1.1}.stat span{font-size:12px;color:#486457}
.system{padding-top:94px;padding-bottom:24px;scroll-margin-top:24px}.section-heading{max-width:720px}.section-heading h2,.download-section h2{font-size:clamp(34px,4vw,50px);line-height:1.2;letter-spacing:-.04em;margin:14px 0}.section-heading>p:last-child,.download-grid>div>p:not(.section-tag){font-size:16px;color:var(--muted);line-height:1.9}.formula{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.formula span{padding:14px 18px;background:#eef2ec;border:1px solid var(--line);font-family:Georgia,serif;font-size:16px;color:#24483b}.parameter{font-size:13px;color:var(--muted);margin:15px 0 28px}.figure-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.figure-card{margin:0;background:#fff;border:1px solid var(--line);overflow:hidden}.figure-card img{width:100%;height:330px;object-fit:contain;padding:12px}.figure-card figcaption{border-top:1px solid var(--line);padding:20px 24px 23px;display:grid;grid-template-columns:82px 1fr;column-gap:12px}.figure-card figcaption span{grid-row:span 2;font-size:11px;color:var(--green);font-weight:800;letter-spacing:.1em;padding-top:4px}.figure-card figcaption strong{font-size:18px}.figure-card figcaption p{grid-column:2;color:var(--muted);font-size:13px;margin:4px 0 0}
.download-section{background:#13372f;color:#f2f8f3;margin-top:88px;padding:80px 0}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.download-section .section-tag{color:#a1d8b7}.download-section p:not(.section-tag){color:#c4d4c9}.download-section pre{overflow:auto;background:#0c2b24;color:#d6f2e0;border:1px solid #3b6555;padding:20px 22px;border-radius:4px;font-size:13px;margin-top:25px}.download-list{border-top:1px solid #4a6b5b;align-self:center}.download-list a{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #4a6b5b;padding:16px 5px;transition:.2s}.download-list a:hover{color:#a1d8b7;padding-left:13px}.download-list span{font-weight:700}.download-list small{display:block;color:#a9beae;font-size:12px;font-weight:400;margin-top:2px}.download-list b{font-size:20px;font-weight:400}footer{display:flex;justify-content:space-between;padding-top:27px;padding-bottom:29px;color:var(--muted);font-size:12px}
@media(max-width:850px){.hero{grid-template-columns:1fr;min-height:0;padding-top:55px}.hero-visual{max-width:640px}.intro-grid{grid-template-columns:1fr 1fr}.intro-grid>div:nth-child(2){grid-column:1/-1;grid-row:2}.stat{grid-row:3}.download-grid{gap:32px}}@media(max-width:620px){.wrap{width:min(100% - 32px,1180px)}.site-header{padding:0 16px}.site-header nav{gap:13px;font-size:11px}.site-header nav a:nth-child(2){display:none}.hero h1{font-size:48px}.lead{font-size:16px}.hero{gap:34px;padding-bottom:50px}.intro-grid{gap:14px}.system{padding-top:65px}.figure-grid,.download-grid{grid-template-columns:1fr}.figure-card img{height:260px}.figure-card figcaption{grid-template-columns:66px 1fr;padding:17px}.download-section{padding:60px 0;margin-top:65px}footer{gap:16px}}