:root {
  --green:#2F7D5B;--green-dark:#1F2A26;--pink:#D96C8A;--orange:#E58A3A;--bg:#F7F8F5;--bg-soft:#EEF3EF;--text:#28312D;--muted:#6B756F;--line:#D8E1DA;--white:#fff;--radius:18px;--radius-sm:12px;--shadow:0 14px 40px rgba(31,42,38,.08);--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 36px));margin-inline:auto}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:12px;top:12px;z-index:1000;background:var(--green-dark);color:#fff;padding:10px 14px;border-radius:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,245,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(216,225,218,.85)}.topline{width:min(1240px,calc(100% - 28px));min-height:78px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}.brand{display:inline-flex;align-items:center;gap:10px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,var(--green),#6ca57f);color:#fff;font-weight:800;box-shadow:inset 0 -8px 16px rgba(0,0,0,.08)}.brand-copy{display:grid;line-height:1.2}.brand-copy strong{font-size:1.18rem}.brand-copy small{margin-top:4px;color:var(--muted);font-size:.74rem}.site-nav{display:flex;justify-content:center;align-items:center;gap:4px}.nav-link{padding:10px 12px;border-radius:999px;color:#45524b;font-size:.94rem}.nav-link:hover,.nav-link:focus-visible{background:var(--bg-soft);outline:none}.nav-link.is-active{background:var(--green-dark);color:#fff}.header-search{display:flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px}.header-search input{width:210px;border:0;background:transparent;padding:7px 10px;outline:none;color:var(--text)}.header-search button{border:0;background:var(--green);color:#fff;border-radius:999px;padding:7px 12px;cursor:pointer}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--text)}
main{min-height:60vh}.lead-stream{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:50px;align-items:center;padding:58px 0 42px}.eyebrow{margin:0 0 10px;color:var(--green);font-weight:800;letter-spacing:.08em;font-size:.82rem;text-transform:uppercase}.lead-copy h1,.topic-hero h1,.app-hero h1{margin:0;color:var(--green-dark);font-size:clamp(2.25rem,5vw,4.65rem);line-height:1.05;letter-spacing:-.045em}.lead-text{max-width:720px;margin:24px 0 0;font-size:1.08rem;color:#4e5a54}.lead-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:999px;border:1px solid transparent;font-weight:750;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(47,125,91,.2)}.button.ghost{border-color:#b8c7bd;background:#fff;color:var(--green-dark)}.topic-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}.topic-strip a{padding:7px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#56635c;font-size:.86rem}.topic-strip a:hover{border-color:#9db3a4;color:var(--green)}.lead-visual{margin:0;position:relative}.lead-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px 32px 90px 32px;box-shadow:var(--shadow);background:var(--bg-soft)}.lead-visual figcaption{position:absolute;left:18px;bottom:18px;background:rgba(31,42,38,.88);color:#fff;border-radius:999px;padding:8px 13px;font-size:.82rem}
.content-section{padding:58px 0}.alt-bg{background:var(--bg-soft);border-block:1px solid #e1e8e2}.section-head{margin-bottom:28px}.section-head h2{margin:0;color:var(--green-dark);font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.15;letter-spacing:-.025em}.section-head>p:last-child{max-width:780px;color:var(--muted)}.split-head{display:grid;grid-template-columns:1fr minmax(280px,.72fr);gap:44px;align-items:end}.split-head>p{margin:0}.stream-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;align-items:start}.story-list{display:grid;border-top:1px solid var(--line)}.story-row{padding:24px 0;border-bottom:1px solid var(--line)}.story-kicker{display:flex;gap:9px;align-items:center;margin-bottom:6px}.story-kicker span{background:#dcece2;color:#255f47;border-radius:999px;padding:3px 8px;font-size:.75rem;font-weight:800}.story-kicker small{color:var(--muted)}.story-row h3{margin:0;font-size:1.3rem;line-height:1.35;color:var(--green-dark)}.story-row h3 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.story-row p{margin:9px 0;color:#59645f}.text-link{display:inline-flex;margin-top:3px;color:var(--green);font-weight:750;font-size:.92rem}.text-link.strong{margin-top:18px}.story-row.is-compact{padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(31,42,38,.04)}.story-row.is-compact h3{font-size:1.1rem}.story-row.is-compact p{font-size:.92rem}.dense-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.side-panel{display:grid;gap:18px;position:sticky;top:100px}.panel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}.panel-card h2{margin:0 0 12px;font-size:1.18rem}.panel-card ol,.panel-card ul{margin:0;padding-left:1.2rem}.panel-card li+li{margin-top:8px}.accent-card{border-top:4px solid var(--orange)}.image-card{padding:10px}.image-card img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;background:#e7eee8}.image-card p{margin:10px 8px 6px;color:var(--muted);font-size:.9rem}.section-cta{margin-top:24px}.two-column-features{display:grid;grid-template-columns:1fr 1fr;gap:42px}.feature-block{padding:28px;border-radius:24px;border:1px solid var(--line);background:#fff}.feature-block>h2{margin:0;font-size:1.65rem;line-height:1.2}.feature-block>p{color:var(--muted)}.controversy-block{box-shadow:inset 5px 0 0 var(--pink)}.community-block{box-shadow:inset 5px 0 0 var(--green)}.mobile-callout{margin-top:18px;margin-bottom:60px;display:grid;grid-template-columns:1fr 300px;gap:42px;align-items:center;background:var(--green-dark);color:#fff;padding:34px;border-radius:28px}.mobile-callout h2{margin:0;font-size:2rem}.mobile-callout p{color:#d8e2dc}.mobile-callout .button.ghost{background:transparent;border-color:#8ba196;color:#fff}.mobile-callout img{border-radius:20px;max-height:270px;width:100%;object-fit:cover}
.topic-hero{display:grid;grid-template-columns:1fr 380px;gap:42px;align-items:center;padding:54px 0 28px}.topic-hero.compact-hero h1{font-size:clamp(2.1rem,4vw,3.6rem)}.topic-hero p:last-child{max-width:760px;color:var(--muted);font-size:1.05rem}.topic-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:26px;background:#e6eee8}.dark-hero{padding:34px;margin-top:34px;background:var(--green-dark);border-radius:28px}.dark-hero h1,.dark-hero .eyebrow{color:#fff}.dark-hero p:last-child{color:#cfdbd4}.community-hero{padding-top:46px}.note-band{padding:38px 0;background:#fff3e8;border-block:1px solid #f1d7bd}.note-band h2{margin:0 0 8px;color:#653b19}.note-band p{margin:0;max-width:900px}.wide-list{max-width:900px}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:60px}.evidence-grid>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.evidence-grid span{font-weight:900;color:var(--pink)}.evidence-grid h2{margin:5px 0 8px;font-size:1.22rem}.evidence-grid p{margin:0;color:var(--muted)}.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px}.community-rules{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.community-rules h2{margin-top:0}.community-rules p,.community-rules li{color:var(--muted)}.community-rules li+li{margin-top:8px}
.app-hero{display:grid;grid-template-columns:1fr 380px;gap:46px;align-items:center;padding:58px 0 30px}.app-hero img{border-radius:30px;aspect-ratio:4/3;object-fit:cover;background:#e7eee8}.app-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.app-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}.app-grid .step{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#f9e0e8;color:#8b3f58;font-weight:900}.app-grid h2{font-size:1.25rem;margin:12px 0 8px}.app-grid p{margin:0;color:var(--muted)}
.search-main{padding-top:46px;padding-bottom:60px}.search-hero{max-width:840px}.search-hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;margin:0 0 24px}.big-search label{display:block;margin-bottom:8px;color:var(--muted)}.big-search>div{display:flex;gap:10px}.big-search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 14px;outline:none}.big-search input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(47,125,91,.12)}.search-suggestions{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.search-suggestions h2{font-size:1.15rem}.empty-state{margin-top:40px;background:#fff;border:1px solid var(--line);padding:28px;border-radius:20px}.empty-state h2{margin-top:0}
.article-shell{max-width:900px;padding-top:54px;padding-bottom:64px}.article-header{padding-bottom:26px;border-bottom:1px solid var(--line)}.article-header h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.08;margin:0;color:var(--green-dark);letter-spacing:-.035em}.article-deck{font-size:1.1rem;color:var(--muted);max-width:780px}.article-body{font-size:1.06rem;padding:28px 0}.article-body p{margin:0 0 1.2em}.article-body h2{margin:1.8em 0 .55em;font-size:1.45rem;color:var(--green-dark)}.article-body blockquote{margin:30px 0;padding:18px 22px;border-left:4px solid var(--orange);background:#fff3e8;border-radius:0 14px 14px 0;color:#5a402a;font-weight:650}.related-box{border-top:1px solid var(--line);padding-top:30px}.related-box>h2{font-size:1.45rem}.not-found{padding:70px 0 90px;max-width:760px}.error-code{font-size:5rem;font-weight:900;color:var(--pink);margin:0;line-height:1}.not-found h1{font-size:2.3rem;margin:10px 0}.not-found>p:not(.error-code){color:var(--muted);font-size:1.05rem}
.site-footer{background:var(--green-dark);color:#eef5f0;padding:46px max(18px,calc((100% - var(--max))/2)) 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}.footer-grid>div:first-child p{max-width:520px;color:#bdcbc3}.footer-grid h2{font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;color:#9cb1a5;margin:0 0 12px}.footer-grid a{display:block;padding:4px 0;color:#e1eae4}.footer-grid a:hover{text-decoration:underline}.footer-note{margin:30px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:#95aa9e;font-size:.82rem}
.check-list{list-style:none;padding:0!important}.check-list li{position:relative;padding-left:24px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(229,138,58,.45);outline-offset:3px}
@media (max-width:1040px){.topline{grid-template-columns:auto auto 1fr}.site-nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;padding-bottom:10px;overflow-x:auto}.header-search{justify-self:end}.lead-stream,.topic-hero,.app-hero{grid-template-columns:1fr 340px;gap:32px}.stream-layout{grid-template-columns:minmax(0,1fr) 290px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
@media (max-width:860px){.site-header{position:relative}.topline{grid-template-columns:1fr auto auto;min-height:70px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;z-index:60;left:14px;right:14px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.nav-link{border-radius:10px}.header-search{grid-column:auto;grid-row:auto}.header-search input{width:150px}.lead-stream,.topic-hero,.app-hero{grid-template-columns:1fr}.lead-visual,.topic-hero img,.app-hero img{max-width:620px}.split-head,.two-column-features,.community-layout{grid-template-columns:1fr}.stream-layout{grid-template-columns:1fr}.side-panel,.community-rules{position:static}.mobile-callout{grid-template-columns:1fr 240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.evidence-grid{grid-template-columns:1fr}.dense-grid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.shell{width:min(100% - 24px,var(--max))}.topline{width:calc(100% - 20px);grid-template-columns:1fr auto}.header-search{grid-column:1/-1;width:100%;margin-bottom:10px}.header-search input{width:100%;flex:1}.lead-stream{padding-top:36px}.lead-copy h1{font-size:2.5rem}.lead-visual img{border-radius:22px 22px 60px 22px}.content-section{padding:42px 0}.dense-grid,.app-grid{grid-template-columns:1fr}.feature-block{padding:20px}.mobile-callout{grid-template-columns:1fr;padding:24px}.mobile-callout img{max-height:220px}.topic-hero{padding-top:34px}.dark-hero{width:calc(100% - 24px);padding:22px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.big-search>div{flex-direction:column}.article-shell{padding-top:38px}.article-header h1{font-size:2.45rem}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.article-checks{margin:0 0 1.4em;padding:0;list-style:none}.article-checks li{position:relative;margin:10px 0;padding:12px 14px 12px 40px;background:#fff;border:1px solid var(--line);border-radius:12px}.article-checks li:before{content:'✓';position:absolute;left:14px;top:11px;color:var(--green);font-weight:900}.article-checks li:nth-child(2):before{content:'↳';color:var(--orange)}.article-checks li:nth-child(3):before{content:'•';color:var(--pink);font-size:1.35rem;top:6px}

.reading-toolkit{border-top:1px solid var(--line)}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.guide-grid article{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.guide-grid h3{margin:0 0 8px;font-size:1.05rem;color:var(--green-dark)}.guide-grid p{margin:0;color:var(--muted);font-size:.92rem}@media(max-width:860px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.guide-grid{grid-template-columns:1fr}}