/* 51吃瓜 / editorial index — native CSS, no framework */
:root{--green:#168C78;--mint:#BFE8D8;--ink:#203B39;--bg:#FAFBF7;--panel:#EDF5EF;--text:#253330;--muted:#637570;--orange:#B95020;--border:#DDE9DF;--white:#fff;--max:1190px;--radius:9px;--shadow:0 14px 45px rgba(32,59,57,.055);font-synthesis:none;color-scheme:light}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;background:var(--bg);font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin-top:0}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}img{max-width:100%;height:auto;display:block}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #B95020;outline-offset:4px;border-radius:3px}::selection{background:var(--mint);color:var(--ink)}.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.skip-link{position:fixed;z-index:50;top:-100px;left:15px;padding:10px 16px;background:var(--ink);color:white}.skip-link:focus{top:10px}.site-header{background:rgba(250,251,247,.97);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:36px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:45px;height:45px;object-fit:contain}.brand-name{font-size:23px;line-height:1.15;font-weight:850;letter-spacing:-.7px;color:var(--ink)}.brand-name small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:600;margin-top:5px}.site-nav{display:flex;align-items:center;gap:11px}.site-nav a{padding:10px 15px;border-radius:5px;color:#39504B;font-weight:700;font-size:14px;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current]{color:var(--green);background:var(--panel)}.menu-toggle{display:none}.lead{padding:30px 0 13px}.lead-heading{display:grid;grid-template-columns:1.65fr .7fr;gap:46px;align-items:end;padding-bottom:27px;border-bottom:1px solid var(--border)}.eyebrow,.kicker{font-size:12px;font-weight:800;color:var(--green);letter-spacing:1.1px}.eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:12px}.pulse-dot{height:7px;width:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px #B9502015}.lead h1{font-size:clamp(29px,3.6vw,46px);line-height:1.25;letter-spacing:-1.5px;color:var(--ink);margin:0 0 12px;font-weight:850}.lead h1 span{color:var(--green)}.lead-copy>p{max-width:690px;color:#50625d;font-size:15px;line-height:1.85;margin:0}.lead-aside{border-left:3px solid var(--mint);padding:2px 0 2px 19px}.side-kicker{font-size:12px;color:var(--orange);font-weight:800}.lead-aside p{font-size:13px;color:var(--muted);line-height:1.75;margin:6px 0}.lead-aside a{font-size:13px;font-weight:800;color:var(--green)}.lead-aside a:hover{text-decoration:underline}.lead-grid{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,.84fr);gap:36px;padding-top:29px}.main-feature{min-width:0}.feature-image{display:block;overflow:hidden;background:var(--panel);border-radius:var(--radius)}.feature-image img{width:100%;aspect-ratio:1.99;object-fit:cover;transition:transform .3s ease}.feature-image:hover img{transform:scale(1.018)}.feature-meta{display:flex;gap:15px;align-items:center;color:var(--muted);font-size:12px;margin:15px 0 9px}.hot-chip{background:#FBEBDC;color:var(--orange);font-size:11px;letter-spacing:.5px;padding:3px 9px;border-radius:3px;font-weight:800}.main-feature h2{font-size:clamp(21px,2.15vw,30px);line-height:1.45;letter-spacing:-.6px;color:var(--ink);margin:0 0 9px}.main-feature p{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:9px}.text-arrow{color:var(--green);font-size:13px;font-weight:850}.right-feed{border-top:3px solid var(--green)}.rail-title{display:flex;justify-content:space-between;align-items:center;padding:9px 0 5px}.rail-title span{font-size:15px;font-weight:850;color:var(--ink)}.rail-title small{color:var(--muted);font-size:11px}.rail-story{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--border);padding:14px 0}.rail-story:last-child{border-bottom:0}.meta-label{font-size:11px;font-weight:750;color:var(--green)}.rail-story h3{font-size:16px;line-height:1.48;letter-spacing:-.1px;margin:3px 0 4px}.rail-story p{color:var(--muted);font-size:12px;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.rail-index{font-size:19px;font-weight:600;color:var(--mint)}.content-section{padding:36px 0 19px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:21px;border-bottom:1px solid var(--border);padding-bottom:14px}.section-heading h2{color:var(--ink);font-size:clamp(22px,2.5vw,28px);line-height:1.3;letter-spacing:-.6px;margin:5px 0 0}.section-heading>p{font-size:13px;color:var(--muted);margin:0}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:22px;row-gap:27px}.story{min-width:0}.story__media{background:var(--panel);border-radius:7px;overflow:hidden;display:block}.story__media img{width:100%;aspect-ratio:1.68;object-fit:cover;transition:transform .3s ease}.story__media:hover img{transform:scale(1.025)}.story__body{padding:11px 0 6px}.story__eyebrow{display:flex;gap:13px;font-size:11px;color:var(--muted)}.story__eyebrow span:first-child{color:var(--green);font-weight:800}.story h3{font-size:18px;line-height:1.5;letter-spacing:-.35px;color:var(--ink);margin:7px 0 7px}.story p{font-size:13px;line-height:1.78;color:var(--muted);margin-bottom:8px}.story__link{color:var(--green);font-size:12px;font-weight:850}.split-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(250px,.7fr);gap:48px;align-items:start}.section-heading--small h2{font-size:23px}.small-link{font-size:12px;color:var(--green);font-weight:800}.stack-feed{display:flex;flex-direction:column}.stack-item{display:grid;grid-template-columns:96px minmax(0,1fr) 18px;gap:13px;padding:16px 0;border-bottom:1px solid var(--border)}.stack-item:first-child{padding-top:4px}.stack-category{color:var(--green);font-size:12px;font-weight:800;margin-top:4px}.stack-item h3{font-size:17px;line-height:1.48;margin-bottom:5px;color:var(--ink)}.stack-item p{font-size:12px;color:var(--muted);line-height:1.67;margin:0}.stack-arrow{font-size:18px;color:var(--mint)}.notice-panel{margin-top:36px;background:var(--panel);padding:25px 26px 29px;border-radius:8px;position:relative;overflow:hidden}.notice-panel:before{content:"";position:absolute;width:190px;height:190px;border:30px solid #BFE8D855;border-radius:50%;top:-96px;right:-100px}.notice-top{display:flex;justify-content:space-between;color:var(--green);font-size:12px;font-weight:850}.notice-top span:last-child{font-size:30px;line-height:1}.notice-panel h2{font-size:24px;line-height:1.35;color:var(--ink);max-width:270px;margin:23px 0 13px}.notice-panel p{font-size:13px;color:var(--muted);line-height:1.85}.notice-panel a{font-size:13px;color:var(--green);font-weight:850}.society-section{padding-top:27px}.wide-stories{display:grid;grid-template-columns:1fr 1fr;gap:29px}.story--feature{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:start;border-bottom:1px solid var(--border);padding-bottom:20px}.story--feature .story__media img{aspect-ratio:.94}.story--feature .story__body{padding:0}.story--feature h3{font-size:17px}.story--feature p{font-size:12px}.about-strip{display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:44px;background:var(--panel);border-radius:8px;padding:28px 33px;margin:35px 0 58px}.about-strip h2{font-size:24px;color:var(--ink);margin:5px 0}.about-strip p{font-size:13px;line-height:1.9;color:#51635D;margin:0}.site-address{background:var(--white);padding:21px 25px;border-radius:6px;border:1px solid var(--border);display:flex;flex-direction:column;gap:6px;min-width:0}.site-address span{font-size:11px;color:var(--muted)}.site-address strong{font-size:19px;letter-spacing:-.5px;color:var(--ink);overflow-wrap:anywhere}.site-address a{font-size:12px;color:var(--green);font-weight:800}.site-footer{background:var(--ink);color:#EEF5F0;padding-top:43px}.footer-layout{display:grid;grid-template-columns:1.4fr .5fr .7fr;gap:60px;padding-bottom:36px}.footer-brand{font-size:26px;letter-spacing:-1px;font-weight:850}.brand-dot{color:var(--green);font-size:12px;vertical-align:top;margin-left:5px}.footer-layout p{font-size:12px;line-height:1.9;color:#C2D4CB;margin:8px 0 0}.footer-layout .footer-muted{opacity:.7}.footer-layout h2{font-size:13px;color:#D8E9DF;margin:3px 0 14px}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav a{font-size:12px;color:#C2D4CB}.footer-nav a:hover,.footer-bottom a:hover{color:white}.footer-info p{overflow-wrap:anywhere}.footer-bottom{border-top:1px solid #49625A;display:flex;justify-content:space-between;padding:14px 0 22px;color:#AABDB4;font-size:11px}.breadcrumb{padding:20px 0 7px}.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;gap:9px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px}.breadcrumb li+li:before{content:'›';margin-right:9px;color:#9AB7A8}.breadcrumb [aria-current]{color:var(--ink)}.subpage-head{display:grid;grid-template-columns:1fr 190px;gap:28px;align-items:center;padding:29px 0 32px;border-bottom:1px solid var(--border)}.subpage-head h1{font-size:clamp(30px,4vw,44px);line-height:1.3;color:var(--ink);margin:8px 0 15px}.subpage-head p{max-width:700px;font-size:15px;color:var(--muted);line-height:1.95;margin:0}.subpage-badge{background:var(--panel);aspect-ratio:1.2;display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:10px;color:var(--green);transform:rotate(-4deg)}.subpage-badge span{font-size:63px;line-height:1;font-weight:900;letter-spacing:-4px}.subpage-badge small{font-weight:800;font-size:13px;letter-spacing:5px;margin-top:6px}.insight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.insight-grid article{padding:21px 20px 23px;border:1px solid var(--border);border-radius:8px;background:#fff}.insight-num{font-size:27px;line-height:1;color:var(--green);font-weight:850;letter-spacing:-1px}.insight-grid h3{font-size:18px;color:var(--ink);margin:15px 0 7px}.insight-grid p{font-size:13px;color:var(--muted);line-height:1.82;margin:0}.bottom-callout{margin:37px 0 65px;padding:24px 29px;background:var(--panel);border-left:4px solid var(--green);display:flex;align-items:center;justify-content:space-between;gap:20px}.bottom-callout h2{font-size:20px;margin:0 0 4px;color:var(--ink)}.bottom-callout p{font-size:13px;color:var(--muted);margin:0}.bottom-callout>a{flex-shrink:0;color:var(--green);font-weight:850;font-size:13px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:55px;align-items:start;padding-bottom:65px}.article-main{min-width:0}.article-head{padding-top:21px}.article-category{display:inline-flex;color:var(--green);background:var(--panel);border-radius:3px;padding:3px 10px;font-size:12px;font-weight:850}.article-head h1{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.8px;line-height:1.34;color:var(--ink);margin:16px 0}.article-dek{font-size:16px;color:#51645F;line-height:1.95;margin:0 0 17px}.article-meta{display:flex;gap:18px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:21px}.article-figure{margin:25px 0 30px}.article-figure img{width:100%;max-height:435px;object-fit:cover;border-radius:7px;background:var(--panel)}.article-figure figcaption{font-size:11px;color:var(--muted);text-align:center;margin-top:6px}.article-content{font-size:16px;line-height:2.05}.article-content section{margin:0 0 27px}.article-content h2{font-size:23px;line-height:1.45;letter-spacing:-.3px;color:var(--ink);padding-left:14px;border-left:3px solid var(--green);margin:0 0 13px}.article-content p{margin:0;color:#41544d}.article-end{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:15px 0;font-size:12px;color:var(--muted)}.article-end a{color:var(--green);font-weight:800}.related-section{margin-top:30px}.related-list{display:flex;flex-direction:column}.related-list a{display:grid;grid-template-columns:74px 1fr 15px;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--border)}.related-list span:first-child{color:var(--green);font-size:12px;font-weight:750}.related-list strong{font-size:14px;color:var(--ink)}.related-list a:hover strong{color:var(--green)}.related-list span:last-child{color:var(--mint)}.article-aside{padding-top:55px}.sticky-side{position:sticky;top:102px}.sticky-side h2{font-size:16px;color:var(--ink);border-top:3px solid var(--green);padding:14px 0 2px;margin:0}.sticky-side>a{display:block;padding:15px 0;border-bottom:1px solid var(--border)}.sticky-side>a span{font-size:11px;color:var(--green);font-weight:800;display:block}.sticky-side>a strong{font-size:14px;line-height:1.6;display:block;color:var(--ink);margin-top:3px}.sticky-side>a:hover strong{color:var(--green)}.sidebar-info{background:var(--panel);border-radius:7px;padding:16px;margin-top:24px;display:flex;flex-direction:column;gap:6px}.sidebar-info span{font-size:11px;color:var(--muted)}.sidebar-info strong{font-size:14px;overflow-wrap:anywhere;color:var(--ink)}.sidebar-info a{font-size:12px;color:var(--green);font-weight:800}.error-page{text-align:center;padding-top:95px;padding-bottom:130px}.error-page h1{font-size:40px;letter-spacing:-1px;margin:12px 0;color:var(--ink)}.error-page p{color:var(--muted);margin-bottom:25px}.action-link{display:inline-block;background:var(--green);color:#fff;padding:11px 21px;border-radius:5px;font-size:14px;font-weight:800}.action-link:hover{background:var(--ink);color:#fff}.muted-link{display:inline-block;margin-left:18px;color:var(--muted);font-size:13px}
@media(max-width:1050px){.lead-heading{gap:22px}.lead-grid{gap:25px}.split-layout{gap:24px}.story-grid{gap:15px}.story--feature{grid-template-columns:110px 1fr}.article-layout{gap:25px;grid-template-columns:minmax(0,1fr) 225px}.footer-layout{gap:26px}}
@media(max-width:760px){.container{width:min(calc(100% - 30px),var(--max))}.header-inner{min-height:68px}.brand img{width:39px;height:39px}.brand-name{font-size:21px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;border:1px solid var(--border);border-radius:6px;width:40px;height:40px;background:var(--bg);padding:10px;cursor:pointer}.menu-toggle span{display:block;background:var(--ink);height:2px;width:100%;border-radius:2px}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:10px 15px 15px;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:2px}.site-nav.is-open{display:flex}.site-nav a{padding:10px 14px;font-size:15px}.lead{padding-top:23px}.lead-heading{grid-template-columns:1fr;gap:17px}.lead h1{letter-spacing:-.9px}.lead-aside{max-width:650px}.lead-grid{grid-template-columns:1fr;gap:21px}.feature-image img{aspect-ratio:1.85}.right-feed{display:grid;grid-template-columns:1fr 1fr;column-gap:18px}.rail-title{grid-column:1/-1}.rail-story:nth-last-child(2){border-bottom:0}.content-section{padding:25px 0 11px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 17px}.split-layout{grid-template-columns:1fr}.notice-panel{margin-top:10px}.notice-panel h2{max-width:none}.about-strip{grid-template-columns:1fr;gap:18px;padding:25px 23px}.footer-layout{grid-template-columns:1.3fr 1fr;gap:25px}.footer-info{grid-column:1/-1}.article-layout{grid-template-columns:1fr}.article-aside{padding-top:0}.sticky-side{position:static;display:none}.subpage-head{grid-template-columns:1fr 100px}.subpage-badge span{font-size:40px}.subpage-badge small{font-size:10px;letter-spacing:1px}.insight-grid{grid-template-columns:1fr}.insight-grid article{padding:17px 18px}.insight-num{font-size:23px}.insight-grid h3{margin:6px 0}.bottom-callout{margin-bottom:42px}}
@media(max-width:480px){body{font-size:14px}.lead h1{font-size:30px}.lead-copy>p{font-size:14px}.right-feed{grid-template-columns:1fr}.rail-story:nth-last-child(2){border-bottom:1px solid var(--border)}.section-heading{align-items:start}.section-heading>p{display:none}.story-grid{grid-template-columns:1fr;gap:14px}.story{display:grid;grid-template-columns:115px minmax(0,1fr);gap:13px;border-bottom:1px solid var(--border);padding-bottom:16px}.story__media img{aspect-ratio:1/1}.story__body{padding:0}.story h3{font-size:15px;line-height:1.4;margin:4px 0}.story p{font-size:12px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:4px}.story__eyebrow{gap:8px;font-size:10px}.story--feature{grid-template-columns:105px 1fr}.wide-stories{grid-template-columns:1fr;gap:15px}.stack-item{grid-template-columns:70px minmax(0,1fr) 14px;gap:7px}.stack-item h3{font-size:15px}.stack-category{font-size:11px}.about-strip{margin-bottom:40px}.footer-layout{grid-template-columns:1fr 1fr;gap:20px}.footer-layout>div:first-child{grid-column:1/-1}.footer-info{grid-column:auto}.footer-nav h2,.footer-info h2{font-size:12px}.subpage-head{grid-template-columns:1fr}.subpage-badge{display:none}.subpage-head h1{font-size:31px}.article-head h1{font-size:28px}.article-content{font-size:15px}.article-content h2{font-size:20px}.article-figure{margin:19px 0 25px}.bottom-callout{flex-direction:column;align-items:start}.related-list a{grid-template-columns:63px 1fr 12px}.related-list strong{font-size:13px}.error-page{padding-top:65px;padding-bottom:90px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
