:root{--bg:#f5f6f3;--surface:#fff;--ink:#202c27;--muted:#637069;--line:#e4e8e2;--green:#2f644b;--light:#e7f0e8;--orange:#c58b54}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}.wrap{width:min(1080px,calc(100% - 42px));margin:auto}.header{background:rgba(245,246,243,.96);border-bottom:1px solid var(--line)}.header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:20px}.logo{font-weight:750;font-size:22px;letter-spacing:2px;color:var(--ink)}.logo i{display:inline-block;width:12px;height:12px;border-radius:50% 1px 50% 1px;background:var(--green);transform:rotate(35deg);margin-right:11px}.nav{display:flex;gap:28px;color:#4d5a52;font-size:14px}.hero{padding:98px 0 84px;position:relative}.eyebrow{font-size:12px;letter-spacing:3px;font-weight:700;color:var(--green);text-transform:uppercase}.hero h1{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:clamp(43px,7vw,76px);line-height:1.22;letter-spacing:2px;margin:22px 0}.hero p{font-size:17px;color:var(--muted);max-width:620px}.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.btn{padding:12px 25px;border-radius:6px;font-size:14px;font-weight:650;display:inline-block}.btn.primary{background:var(--green);color:white}.btn.secondary{border:1px solid #cdd8d0;color:var(--green)}.line-art{position:absolute;right:10px;top:65px;width:245px;height:245px;border:1px solid #cbd9ce;border-radius:50%;opacity:.65;pointer-events:none}.line-art:before,.line-art:after{content:"";position:absolute;border:1px solid #cbd9ce;border-radius:50%}.line-art:before{inset:32px}.line-art:after{inset:70px}.section{padding:15px 0 70px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid #cbd6cb;margin-bottom:27px}.section-heading h2{font-family:Georgia,"Songti SC",serif;font-size:29px;font-weight:600;margin:0 0 15px}.section-heading span{font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{display:flex;flex-direction:column;min-height:260px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:27px;box-shadow:0 7px 30px rgba(30,55,36,.025);transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:#a7bfad}.tag{font-size:12px;color:var(--green);font-weight:700}.card h3{font-size:20px;line-height:1.5;margin:18px 0 10px}.card p{color:var(--muted);font-size:14px;margin:0}.card .go{margin-top:auto;padding-top:22px;color:var(--green);font-size:13px;font-weight:700}.note{background:var(--light);padding:31px 37px;border-radius:9px;display:flex;justify-content:space-between;align-items:center;gap:24px}.note strong{font-size:19px}.note p{font-size:14px;color:var(--muted);margin:7px 0 0}.footer{margin-top:45px;border-top:1px solid var(--line);padding:27px 0 36px;font-size:12px;color:var(--muted)}.footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}.footer a{text-decoration:underline;text-underline-offset:3px}.pagehead{padding:66px 0 30px}.pagehead h1,.article h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(30px,5vw,48px);line-height:1.4;margin:12px 0}.pagehead p{max-width:680px;color:var(--muted)}.article{background:white;border:1px solid var(--line);border-radius:10px;padding:40px min(6vw,65px);margin:20px auto 30px;max-width:820px}.article .meta{color:var(--green);font-size:13px}.article h2{font-size:23px;margin-top:38px;padding-bottom:10px;border-bottom:1px solid var(--line)}.article p,.article li{color:#4a5750}.article pre{background:#f1f5f0;border:1px solid #e1e8df;border-radius:7px;overflow-x:auto;padding:18px;line-height:1.65;font-size:13px}.article code{font-family:Consolas,Monaco,monospace}.article .back{display:inline-block;margin-top:24px;color:var(--green);font-weight:600}.article ul{padding-left:22px}.subtle{color:var(--muted);font-size:13px}.article-list{display:grid;gap:14px}.article-list .card{min-height:unset}.hide-mobile{display:initial}@media(max-width:760px){.hero{padding:68px 0 60px}.cards{grid-template-columns:1fr}.card{min-height:225px}.line-art{display:none}.note{align-items:flex-start;flex-direction:column;padding:24px}.nav{gap:14px}.header .wrap{min-height:65px}.logo{font-size:18px}.article{padding:26px 22px}.hide-mobile{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}