/* 51吃瓜 / editorial visual system */
:root{--green:#168c78;--mint:#bfe8d8;--deep:#203b39;--bg:#fafbf7;--soft:#edf5ef;--ink:#253330;--muted:#637570;--orange:#b95020;--line:#dbe6de;--white:#fff;--radius:9px;--wrap:1180px;--ease:cubic-bezier(.21,.6,.3,1);color-scheme:light}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}a:focus-visible,button:focus-visible{outline:3px solid var(--green);outline-offset:4px;border-radius:3px}img{max-width:100%;height:auto;display:block}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{color:var(--deep);line-height:1.35;letter-spacing:-.022em}p{overflow-wrap:anywhere}.wrap{width:min(var(--wrap),calc(100% - 56px));margin-inline:auto}.skip{position:absolute;left:16px;top:-100px;background:var(--deep);color:#fff;padding:9px 16px;z-index:50}.skip:focus{top:12px;color:#fff}.site-header{background:#fff;border-bottom:1px solid var(--line)}.masthead{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:94px}.brand{display:inline-flex;align-items:center;gap:13px;min-width:0}.brand img{width:46px;height:46px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:25px;font-weight:800;letter-spacing:-.06em;color:var(--green)}.brand small{font-size:11px;letter-spacing:.12em;color:var(--muted);margin-top:6px}.masthead-note{font-size:12px;color:var(--muted);letter-spacing:.12em}.primary-nav{background:var(--deep)}.nav-inner{display:flex;align-items:center;gap:5px;overflow-x:auto;scrollbar-width:none}.nav-inner::-webkit-scrollbar{display:none}.nav-inner a{color:#dceee6;font-size:13px;font-weight:650;display:inline-block;white-space:nowrap;padding:12px 20px;transition:background .2s var(--ease),color .2s var(--ease);position:relative}.nav-inner a:hover,.nav-inner a[aria-current=page]{color:#fff;background:rgba(255,255,255,.13)}.nav-inner a[aria-current=page]::after{content:"";height:3px;background:var(--mint);position:absolute;bottom:0;left:20px;right:20px}.home-main{padding-top:38px}.intro{border-bottom:1px solid var(--line);padding-bottom:29px;margin-bottom:26px;max-width:1020px}.eyebrow,.section-kicker{font-size:12px;color:var(--green);font-weight:800;letter-spacing:.08em}.eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:11px}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px #faeee8}.intro h1{font-size:clamp(26px,3.8vw,42px);margin-bottom:12px;font-weight:830;letter-spacing:-.04em}.intro>p{max-width:800px;color:var(--muted);font-size:16px;line-height:1.9;margin:0}.editorial-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(290px,.9fr);align-items:start;gap:30px}.lead-story{min-width:0}.section-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.section-subtle{font-size:12px;color:var(--muted)}.hero-visual{display:block;aspect-ratio:16/9;background:var(--soft);overflow:hidden;border-radius:var(--radius);position:relative}.hero-visual::after{content:"";position:absolute;inset:0;border:1px solid rgba(32,59,57,.07);border-radius:inherit;pointer-events:none}.hero-visual img{height:100%;width:100%;object-fit:cover;transition:transform .45s var(--ease)}.hero-visual:hover img{transform:scale(1.025)}.lead-copy{padding:20px 0 5px}.lead-copy h2{font-size:clamp(22px,2.3vw,29px);margin-bottom:10px}.lead-copy p{color:var(--muted);line-height:1.9;margin-bottom:13px}.arrow-link,.story__link{font-weight:750;color:var(--green);font-size:13px;display:inline-flex;align-items:center;gap:8px}.arrow-link span,.story__link span{transition:transform .2s ease}.arrow-link:hover span,.story__link:hover span{transform:translate(3px,-2px)}.news-rail{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 23px 16px}.rail-head{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:2px solid var(--deep);padding-bottom:13px}.rail-head h2{margin:0;font-size:18px}.rail-head span{font-size:11px;color:var(--muted)}.rail-item{padding:17px 0 15px;border-bottom:1px solid var(--line)}.rail-item>span{color:var(--orange);font-size:11px;font-weight:800}.rail-item h3{font-size:16px;margin:5px 0 6px;line-height:1.55}.rail-item p{color:var(--muted);font-size:12px;line-height:1.7;margin:0}.rail-more{display:flex;justify-content:space-between;padding:17px 0 2px;color:var(--green);font-size:13px;font-weight:800}.content-section{padding-top:66px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:21px;border-bottom:1px solid var(--line);padding-bottom:14px}.section-heading h2{font-size:25px;margin:5px 0 0}.section-heading>p{font-size:13px;color:var(--muted);max-width:340px;margin-bottom:2px}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.story{min-width:0;border-bottom:1px solid var(--line);padding-bottom:23px}.story__image{display:block;aspect-ratio:1.58;background:var(--soft);overflow:hidden;border-radius:7px}.story__image img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}.story__image:hover img{transform:scale(1.035)}.story__body{padding-top:15px}.story__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px;font-size:11px;color:var(--muted)}.tag{display:inline-block;border-radius:3px;background:var(--soft);color:var(--green);padding:1px 7px;font-weight:750}.story h3{font-size:18px;margin:0 0 9px;line-height:1.55}.story p{color:var(--muted);line-height:1.82;font-size:13px;margin:0 0 12px}.horizon-section{margin-top:67px;padding:30px 34px;background:var(--soft);display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:50px;border-radius:var(--radius)}.horizon-section h2{font-size:24px;margin:8px 0 10px}.horizon-section p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.horizon-list{align-self:center}.horizon-list a,.related-list a{display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:10px;border-bottom:1px solid #d5e5da;padding:18px 0;font-size:13px}.horizon-list a:first-child{border-top:1px solid #d5e5da}.horizon-list span:first-child,.related-list span:first-child{color:var(--green);font-size:12px;font-weight:750}.horizon-list strong,.related-list strong{font-size:15px;line-height:1.55}.info-strip{margin-top:68px;margin-bottom:85px;padding:28px 33px;display:flex;align-items:center;justify-content:space-between;gap:34px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:5px}.info-strip__text{max-width:770px}.info-strip h2{font-size:21px;margin:6px 0 10px}.info-strip p{font-size:13px;color:var(--muted);line-height:1.85;margin:0}.info-strip p strong{color:var(--deep)}.info-strip__domain{background:var(--soft);border-radius:5px;padding:15px 17px;flex:none;display:flex;flex-direction:column;gap:4px}.info-strip__domain span{font-size:11px;color:var(--muted)}.info-strip__domain code{font-size:13px;font-family:ui-monospace,monospace;color:var(--green);font-weight:700}.site-footer{background:var(--deep);color:#e1efea}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:65px;padding-top:43px;padding-bottom:38px}.footer-name{font-size:24px;font-weight:800;color:#fff}.footer-grid strong{color:#fff;display:block;margin-bottom:10px;font-size:13px}.footer-grid p{font-size:12px;color:#b9d1ca;line-height:1.9;margin:10px 0 0;max-width:340px}.footer-grid a{display:block;width:fit-content;color:#b9d1ca;font-size:12px;padding:3px 0}.footer-grid a:hover{color:#fff}.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:14px;display:flex;justify-content:space-between;color:#a7c4ba;font-size:11px}.inner-main{padding-top:27px;padding-bottom:78px}.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:28px}.crumb a{color:var(--green)}.page-intro{max-width:840px;padding-bottom:34px;margin-bottom:35px;border-bottom:1px solid var(--line)}.page-intro h1{font-size:clamp(28px,3.3vw,39px);margin:6px 0 15px}.page-intro p{font-size:16px;line-height:1.95;color:var(--muted);margin:0}.reports-layout{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(250px,.85fr);align-items:start;gap:50px}.list-title{font-size:20px;padding-bottom:10px;border-bottom:2px solid var(--deep);margin-bottom:19px}.story--wide{display:grid;grid-template-columns:minmax(170px,.75fr) minmax(0,1.25fr);gap:22px;padding:0 0 25px;margin-bottom:25px}.story--wide .story__image{aspect-ratio:1.23}.story--wide .story__body{padding:0}.story--wide h3{font-size:19px}.context-panel{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:26px 24px;position:sticky;top:20px}.context-panel h2{font-size:19px;line-height:1.5;margin-bottom:15px}.context-panel ol{margin:0;padding-left:22px}.context-panel li{margin-bottom:18px;padding-left:3px;color:var(--green);font-size:13px}.context-panel li:last-child{margin-bottom:0}.context-panel li strong{color:var(--deep)}.context-panel li p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.85}.article-shell{padding-top:27px;padding-bottom:85px}.article-detail{width:min(100%,840px);margin-inline:auto}.article-header{text-align:center;padding:12px 0 28px}.article-header h1{font-size:clamp(28px,3.6vw,40px);line-height:1.38;max-width:800px;margin:10px auto 14px}.article-dek{color:var(--muted);font-size:16px;line-height:1.95;max-width:700px;margin:0 auto}.article-cover{aspect-ratio:16/9;background:var(--soft);overflow:hidden;border-radius:var(--radius);margin-bottom:39px}.article-cover img{width:100%;height:100%;object-fit:cover}.article-body{max-width:720px;margin-inline:auto}.article-body section{margin-bottom:35px}.article-body h2{font-size:22px;margin-bottom:13px;padding-left:15px;border-left:3px solid var(--green)}.article-body p{font-size:16px;line-height:2.05;color:#364943;letter-spacing:.012em}.article-finish{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:18px;align-items:center;font-size:12px;color:var(--muted)}.article-finish a{font-weight:750;color:var(--green)}.related{max-width:840px;margin:67px auto 0}.related-list a{grid-template-columns:94px 1fr auto}.related-list a:last-child{border-bottom:0}.error-page{min-height:55vh;padding-top:100px;padding-bottom:90px}.error-page h1{font-size:36px}.error-page p{color:var(--muted)}.solid-link{display:inline-block;background:var(--green);border-radius:5px;color:#fff;font-weight:750;padding:10px 22px;margin-right:18px}.solid-link:hover{background:var(--deep);color:#fff}.simple-link{font-weight:750;color:var(--green)}
/* interactive reading refinements */
::selection{background:#bfe8d8;color:#203b39}a{-webkit-tap-highlight-color:transparent}button{font:inherit}.story__body a,.lead-copy a,.rail-item a{overflow-wrap:anywhere}.story__image:focus-visible,.hero-visual:focus-visible{outline-offset:3px}.info-strip code{overflow-wrap:anywhere}.nav-inner a:focus-visible{outline-color:var(--mint);outline-offset:-4px}.site-footer a:focus-visible{outline-color:#fff}.article-body section:last-child{margin-bottom:0}.article-body section+section{padding-top:4px}.article-body p::first-letter{font-kerning:normal}.related-list a:hover strong,.horizon-list a:hover strong{text-decoration:underline;text-underline-offset:3px}.brand:hover strong{text-decoration:none;color:#116e60}.story__image,.hero-visual{isolation:isolate}img{font-style:italic;font-size:11px;color:var(--muted)}
@media (max-width:1000px){.editorial-grid{grid-template-columns:minmax(0,1.35fr) minmax(260px,.85fr);gap:24px}.news-rail{padding:16px}.rail-item{padding-block:12px}.story-grid{gap:18px}.reports-layout{gap:30px}.footer-grid{gap:30px}.horizon-section{gap:25px}}
@media (max-width:780px){.wrap{width:min(var(--wrap),calc(100% - 36px))}.masthead{min-height:79px}.masthead-note{display:none}.nav-inner a{padding:12px 16px}.editorial-grid{grid-template-columns:1fr;gap:18px}.news-rail{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;padding:19px}.rail-head,.rail-more{grid-column:1/-1}.rail-item:nth-last-of-type(2),.rail-item:last-of-type{border-bottom:0}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.story-grid .story:last-child{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px}.story-grid .story:last-child .story__body{padding-top:0}.horizon-section{grid-template-columns:1fr}.info-strip{align-items:flex-start;flex-direction:column}.reports-layout{grid-template-columns:1fr}.context-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media (max-width:540px){body{font-size:14px}.wrap{width:calc(100% - 28px)}.masthead{min-height:69px}.brand img{width:40px;height:40px}.brand strong{font-size:22px}.brand small{font-size:10px}.nav-inner{margin-inline:-14px;padding-inline:14px}.nav-inner a{font-size:12px;padding:11px 14px}.home-main{padding-top:27px}.intro{padding-bottom:21px;margin-bottom:23px}.intro h1{font-size:29px}.intro>p,.page-intro p{font-size:14px}.lead-copy{padding-top:16px}.lead-copy h2{font-size:22px}.lead-copy p{font-size:13px}.news-rail{grid-template-columns:1fr;padding:17px 19px}.rail-item:nth-last-of-type(2){border-bottom:1px solid var(--line)}.rail-item:last-of-type{border-bottom:0}.content-section{padding-top:47px}.section-heading{align-items:flex-start;flex-direction:column;gap:4px;margin-bottom:17px}.section-heading h2{font-size:22px}.section-heading>p{margin:0}.story-grid{display:block}.story{margin-bottom:22px}.story-grid .story:last-child{display:block}.story-grid .story:last-child .story__body{padding-top:15px}.story__image{aspect-ratio:1.8}.story h3{font-size:18px}.horizon-section{margin-top:42px;padding:22px 20px;gap:19px}.horizon-section h2{font-size:22px}.horizon-list a{grid-template-columns:69px 1fr auto;gap:8px}.horizon-list strong{font-size:13px}.info-strip{margin:45px 0 55px;padding:22px 19px;gap:18px}.info-strip h2{font-size:20px}.footer-grid{grid-template-columns:1fr;padding-block:33px;gap:23px}.footer-grid>div:first-child{grid-column:auto}.foot-bottom{gap:5px;flex-wrap:wrap}.inner-main{padding-bottom:53px}.page-intro{padding-bottom:24px;margin-bottom:25px}.page-intro h1{font-size:29px}.story--wide{grid-template-columns:1fr;gap:11px}.story--wide .story__image{aspect-ratio:1.8}.story--wide .story__body{padding-top:0}.article-shell{padding-bottom:56px}.article-header{padding:0 0 22px}.article-header h1{font-size:28px}.article-dek{font-size:14px}.article-cover{margin-bottom:29px}.article-body h2{font-size:19px}.article-body p{font-size:15px;line-height:1.95}.article-finish{align-items:flex-start;flex-direction:column}.related{margin-top:45px}.related-list a{grid-template-columns:64px 1fr auto;gap:8px}.related-list strong{font-size:13px}.error-page{padding-top:70px;min-height:50vh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{body{background:#fff;color:#000}.site-header,.site-footer,.related,.article-finish,.context-panel{display:none!important}.wrap,.article-detail,.article-body{width:100%;max-width:none}.article-shell{padding:0}.article-header{text-align:left}.article-cover{max-height:250px}.article-body p{font-size:12pt}.article-body h2{break-after:avoid}a{text-decoration:underline}}
/* Narrow landscape phones and large-display refinement */
@media (min-width:1400px){.home-main{padding-top:46px}.intro{padding-bottom:34px;margin-bottom:32px}.editorial-grid{gap:36px}.story-grid{gap:31px}.content-section{padding-top:75px}.horizon-section{margin-top:76px}.info-strip{margin-top:75px}}
@media (min-width:781px) and (max-width:930px){.editorial-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.95fr)}.rail-item h3{font-size:15px}.horizon-section{grid-template-columns:1fr 1.2fr;padding:25px}.info-strip__domain{padding:12px}.info-strip__domain code{font-size:11px}}
@media (max-width:400px){.brand{gap:9px}.brand img{width:37px;height:37px}.brand strong{font-size:20px}.intro h1{font-size:26px}.rail-head h2{font-size:17px}.news-rail{padding:14px 15px}.horizon-list a{grid-template-columns:1fr auto;row-gap:0}.horizon-list a span:first-child{grid-column:1/-1}.horizon-list a strong{grid-column:1}.info-strip__domain{max-width:100%}.info-strip__domain code{font-size:12px}.article-header h1{font-size:25px}.solid-link{margin-bottom:15px}.page-intro h1{font-size:27px}}
@media (hover:none){.hero-visual:hover img,.story__image:hover img{transform:none}.nav-inner a{min-height:43px}.story__link,.arrow-link{min-height:27px;align-items:center}}
@media (prefers-contrast:more){:root{--muted:#435650;--line:#a2b8ad;--green:#076d5a}.story__meta,.section-kicker,.eyebrow{font-weight:850}.nav-inner a[aria-current=page]::after{height:4px}.info-strip,.news-rail,.context-panel{border-width:2px}}
/* Keep anchored sections clear of the main page's visual rhythm. */
#entertainment,#identity{scroll-margin-top:28px}.content-section:target .section-heading h2,.info-strip:target h2{color:var(--green)}.article-cover:has(img:not([src])){background:var(--soft)}.story__image,.article-cover,.hero-visual{contain:layout paint}.article-header,.article-body,.related,.intro{overflow-wrap:anywhere}.rail-item p,.story p,.article-dek{hyphens:auto}.article-body p{max-width:72ch}.context-panel li::marker{font-weight:850}.footer-grid p{max-width:44ch}.section-heading h2{text-wrap:balance}.story h3,.lead-copy h2,.article-header h1{text-wrap:pretty}