:root{--green:#2F7D5B;--pink:#D96C8A;--ink:#1F2A26;--bg:#F7F8F5;--soft:#EEF3EF;--text:#28312D;--muted:#6B756F;--orange:#E58A3A;--line:#d9e0db;--white:#fff;--shadow:0 14px 38px rgba(31,42,38,.08);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px 14px;z-index:1000;border-radius:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,245,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(47,125,91,.12)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:48px;height:48px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:1.06rem;color:var(--ink)}.brand small{color:var(--muted);font-size:.78rem;margin-top:4px}.primary-nav{display:flex;gap:6px;align-items:center}.nav-link{padding:9px 13px;border-radius:999px;font-size:.92rem;color:#435049}.nav-link:hover,.nav-link.is-current{background:#e2ece5;color:var(--green)}.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;color:var(--ink)}.lead{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center;padding:64px 0 40px}.lead-copy h1,.page-hero h1,.article-head h1,.not-found h1{font-size:clamp(2.25rem,5vw,4.6rem);line-height:1.08;letter-spacing:-.04em;margin:.15em 0 .35em;color:var(--ink)}.lead-text,.page-hero p,.article-deck{font-size:1.08rem;color:#4d5b54;max-width:760px}.eyebrow{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--green);margin:0 0 8px}.lead-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;font-weight:650}.button.primary{background:var(--green);color:#fff}.button.primary:hover{background:#25664a;color:#fff}.button.ghost{border:1px solid var(--line);background:#fff}.lead-visual img,.page-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}.section-block{padding:64px 0}.two-col,.layout-main-rail{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}.section-heading{margin-bottom:24px}.section-heading h2,.split-feature h2,.rail-card h2,.community-preview h2,.checklist h2{font-size:clamp(1.6rem,3vw,2.55rem);line-height:1.2;color:var(--ink);margin:.2em 0 .4em;letter-spacing:-.025em}.section-heading p{color:var(--muted);max-width:760px}.section-heading.narrow{max-width:760px}.story-list{border-top:1px solid var(--line)}.story-row{padding:22px 0;border-bottom:1px solid var(--line)}.story-row h3{font-size:1.26rem;line-height:1.35;margin:7px 0}.story-row p{margin:0;color:#526058}.story-meta{display:flex;gap:12px;color:var(--muted);font-size:.8rem}.story-meta span{color:var(--pink);font-weight:700}.story-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.story-tags span{font-size:.76rem;color:#66726b;background:#edf1ee;border-radius:999px;padding:4px 8px}.rail{display:grid;gap:18px}.sticky-rail{position:sticky;top:100px}.rail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 6px 22px rgba(31,42,38,.035)}.rail-card.accent{background:#fff7ec;border-color:#f0d6b5}.rail-card ol,.rail-card ul{padding-left:20px;color:#56625c}.rail-card a,.text-link{color:var(--green);font-weight:650}.mini-label{font-size:.75rem;color:var(--orange);font-weight:800;letter-spacing:.08em}.image-card{padding:0;overflow:hidden}.image-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.image-card>div{padding:22px}.image-card.vertical img{aspect-ratio:4/3}.soft-band{background:var(--soft);border-block:1px solid #dde6df}.split-feature,.checklist{padding:56px 0;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.feature-notes{display:grid;gap:12px}.feature-notes article{background:rgba(255,255,255,.65);border:1px solid #dbe4dd;border-radius:16px;padding:18px}.feature-notes p{margin:4px 0 0;color:var(--muted)}.compact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}.compact-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}.compact-card h3{margin:0 0 8px;color:var(--ink)}.compact-card p{margin:0;color:var(--muted)}.community-preview{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}.community-preview img{border-radius:24px;aspect-ratio:4/3;object-fit:cover}.topic-index{display:grid;gap:10px;margin-top:22px}.topic-link{display:grid;gap:3px;padding:14px 0;border-bottom:1px solid var(--line)}.topic-link span{color:var(--muted);font-size:.9rem}.utility-strip{margin-bottom:60px;padding:24px 28px;border:1px solid var(--line);border-radius:18px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}.utility-strip div{display:flex;flex-direction:column}.utility-strip span{color:var(--muted)}.utility-strip a{color:var(--green);font-weight:700}.page-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:60px 0 36px}.page-hero.reverse{grid-template-columns:.95fr 1.05fr}.page-hero.reverse img{order:-1}.page-hero.community-hero{grid-template-columns:1fr .8fr}.evidence-scale{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.evidence-scale article{border-top:4px solid var(--green);padding:22px;background:#fff;border-radius:0 0 16px 16px}.evidence-scale span{font-size:.8rem;color:var(--orange);font-weight:800}.evidence-scale h2{font-size:1.15rem;color:var(--ink)}.evidence-scale p{color:var(--muted);margin-bottom:0}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-grid span{background:#fff;border:1px solid #dbe4dd;border-radius:14px;padding:18px;font-weight:650}.discussion-stack{display:grid;gap:22px;max-width:900px}.discussion-stack article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.discussion-stack h2{font-size:1.6rem;color:var(--ink);margin:.2em 0}.discussion-stack p{color:#4f5b55}.discussion-stack a{color:var(--green);font-weight:650}.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.app-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}.app-grid h2{margin-top:0;color:var(--ink);font-size:1.35rem}.app-grid p{color:var(--muted)}.article-page{padding:54px 0 70px}.article-head{max-width:900px}.article-head h1{font-size:clamp(2rem,4vw,3.7rem)}.article-sub{display:flex;gap:16px;color:var(--muted);font-size:.88rem}.article-figure{margin:34px 0}.article-figure img{width:100%;max-height:560px;object-fit:cover;border-radius:28px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:60px}.article-body{font-size:1.08rem}.article-body h2{margin-top:1.8em;color:var(--ink)}.article-side .rail-card{display:grid;gap:8px}.not-found{padding:100px 0 140px;max-width:760px}.site-footer{background:var(--ink);color:#dfe7e2;margin-top:20px}.footer-grid{padding:48px 0;display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid p{color:#afbbb4;max-width:500px}.footer-grid a{color:#cbd5cf}.footer-bottom{padding:18px 0;border-top:1px solid rgba(255,255,255,.09);color:#94a19a;font-size:.86rem}@media(max-width:900px){.lead,.page-hero,.page-hero.reverse,.page-hero.community-hero,.two-col,.layout-main-rail,.split-feature,.checklist,.community-preview,.article-layout{grid-template-columns:1fr}.lead,.page-hero{gap:28px}.page-hero.reverse img{order:0}.rail,.sticky-rail{position:static}.compact-grid,.evidence-scale{grid-template-columns:1fr 1fr}.primary-nav{position:absolute;top:76px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;display:none;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.nav-link{border-radius:10px}.menu-button{display:inline-flex}.article-side{order:-1}.article-side .rail-card{grid-template-columns:repeat(3,1fr)}}@media(max-width:620px){.shell{width:min(100% - 28px,1180px)}.lead{padding-top:40px}.lead-copy h1,.page-hero h1{font-size:2.35rem}.section-block{padding:44px 0}.compact-grid,.evidence-scale,.app-grid,.check-grid{grid-template-columns:1fr}.utility-strip{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:24px}.article-side .rail-card{grid-template-columns:1fr}.story-row h3{font-size:1.14rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}