:root{--bg:#fff;--bg2:#f3f6f5;--text:#202925;--muted:#596860;--line:#dce5df;--accent:#147d70;--accent-ink:#fff;--panel:#fff;--max:1180px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:0}a{color:inherit;text-decoration:none}button{font:inherit}[hidden]{display:none!important}img{max-width:100%}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:76px 0}.band{background:var(--bg2)}.compact{padding:0}.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:36px;height:36px;background:var(--accent);color:#fff;border-radius:4px}.brand-text{font-size:18px}.brand-text 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var(--line)}.stat-num{font-size:10px;color:var(--accent);font-weight:700}.stat-card strong{display:block;font-size:17px;margin:8px 0 4px}.stat-card p{margin:0;color:var(--muted);font-size:13px}.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.section-head h2{font-size:32px;line-height:1.5;margin:0;font-weight:700}.about-copy{font-size:16px;color:var(--muted)}.about-copy p{margin:0 0 16px}.quote{margin-top:26px;padding:12px 20px;border-left:3px solid var(--accent);color:var(--text);font-weight:600}.inline-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:30px}.inline-head p{margin:0;max-width:420px;color:var(--muted);font-size:13px}.card-grid{display:grid;gap:16px}.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.info-card,.post-card{border:1px solid var(--line);background:var(--panel);border-radius:6px}.info-card{padding:24px}.card-icon{color:var(--accent);font-family:ui-monospace,monospace;font-size:12px;margin-bottom:20px}.info-card h3{margin:0 0 10px;font-size:18px}.info-card p{color:var(--muted);font-size:14px;margin:0 0 20px}.mini-tags{display:flex;gap:10px;flex-wrap:wrap;color:var(--accent);font-size:11px}.project-list{border-top:1px solid var(--line)}.project{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:24px;align-items:start;padding:32px 0;border-bottom:1px solid var(--line)}.project-index{color:var(--accent);font-family:ui-monospace,monospace;font-size:13px}.project h3{margin:8px 0 12px;font-size:21px}.project p{margin:0;color:var(--muted);font-size:14px}.case-label{font-size:12px;color:var(--accent)}.project-tag{font-size:11px;color:var(--muted)}.case-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.case-results strong{display:block;font-size:21px;color:var(--text);overflow-wrap:anywhere}.case-results span{font-size:12px;color:var(--muted)}.project .case-detail{font-size:12px}.playbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.playbook-grid h3{font-size:17px;margin:0 0 18px}.formula-list,.phase-list{margin:0}.formula-list div,.phase-list div{padding:10px 0;border-bottom:1px solid var(--line)}dt{font-size:13px;font-weight:600}dd{margin:2px 0 0;color:var(--muted);font-size:13px}.check-list{padding-left:18px;margin:0;color:var(--muted);font-size:14px}.check-list li{padding:0 0 12px}.muted{color:var(--muted)}.small{font-size:12px}.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.post-card{padding:24px;display:flex;flex-direction:column;min-height:285px;transition:border-color .2s}.post-card:hover{border-color:var(--accent)}.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px;font-size:11px;color:var(--muted)}.post-meta span{color:var(--accent)}.post-card h3{font-size:20px;line-height:1.55;margin:0 0 12px}.post-card p{font-size:14px;color:var(--muted);margin:0 0 24px}.read-more{margin-top:auto;font-size:12px;font-weight:600;color:var(--accent)}.contact-box{display:flex;align-items:center;justify-content:space-between;gap:32px}.contact-box h2{margin:0 0 10px;font-size:28px}.contact-box p{margin:0;color:var(--muted);font-size:14px}footer{padding:28px 0;color:var(--muted);font-size:12px}.footer-wrap{display:flex;justify-content:space-between;gap:20px}body.dark{--bg:#171d1a;--bg2:#202824;--text:#e9efeb;--muted:#b0bfb5;--line:#3b4b41;--accent:#6ed5b7;--accent-ink:#14231b;--panel:#171d1a;color-scheme:dark}body.dark .btn-primary:hover{background:#9de1cb}
@media(max-width:960px){.nav{position:absolute;display:none;flex-direction:column;top:76px;left:24px;right:24px;background:var(--bg);padding:20px;border:1px solid var(--line);border-radius:4px}.nav.open{display:flex}.menu-btn{display:block}.card-grid.three,.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr;gap:24px}.playbook-grid{grid-template-columns:1fr;gap:28px}.project{grid-template-columns:30px minmax(0,1fr)}.project-tag{grid-column:2}.case-results strong{font-size:18px}.contact-box{align-items:flex-start;flex-direction:column}.hero-subtitle{font-size:20px}}
@media(max-width:640px){.container{width:calc(100% - 32px)}.section{padding:52px 0}.compact{padding:0}.hero{min-height:480px;padding:56px 0}.hero h1{font-size:52px}.hero-subtitle{font-size:17px}.hero-desc{font-size:15px}.hero .eyebrow{font-size:9px}.hero-tags{gap:8px 16px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{padding:20px 12px}.stat-card:nth-child(odd){padding-left:0;border-left:0}.stat-card:nth-child(n+3){border-top:1px solid var(--line)}.stat-card strong{font-size:16px}.section-head h2{font-size:27px}.inline-head{align-items:flex-start;flex-direction:column;gap:14px}.card-grid.three,.blog-grid{grid-template-columns:1fr}.project{gap:12px}.project h3{font-size:19px}.case-results{grid-template-columns:1fr;gap:12px}.case-results div{display:flex;align-items:baseline;justify-content:space-between;gap:14px}.case-results strong{font-size:18px}.case-results span{font-size:11px;text-align:right}.contact-box h2{font-size:25px}.footer-wrap{flex-direction:column;gap:8px}.brand-text{font-size:16px}}
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