/* 51吃瓜 editorial design system: compact content, measured imagery, bright botanical accents */
:root{--green:#168c78;--mint:#bfe8d8;--deep:#203b39;--paper:#fafbf7;--light:#edf5ef;--ink:#253330;--muted:#637570;--orange:#b95020;--line:#dce7df;--white:#fff;--max:1180px;--r:8px;--shadow:0 4px 24px rgba(32,59,57,.035)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure,dl,ol{margin:0}h1,h2,h3{line-height:1.36;letter-spacing:-.025em;color:var(--deep)}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.shell{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.skip-link{position:absolute;z-index:1000;top:-100px;left:12px;background:var(--deep);color:#fff;padding:10px 18px;border-radius:4px}.skip-link:focus{top:12px}.topline{background:var(--deep);color:#cce0d6;font-size:12px;letter-spacing:.045em}.topline__inner{display:flex;justify-content:space-between;padding:5px 0}.site-header{background:rgba(250,251,247,.98);border-bottom:1px solid var(--line)}.masthead{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0 21px}.brand{display:inline-flex;align-items:center;gap:13px;min-width:190px}.brand img{object-fit:contain;flex:none;border-radius:9px}.brand__copy{display:flex;flex-direction:column;line-height:1.15}.brand__copy strong{font-size:30px;letter-spacing:-.055em;font-weight:800;color:var(--deep)}.brand__copy small{font-size:11px;letter-spacing:.24em;color:var(--green);font-weight:700;margin-top:8px}.masthead__note{text-align:right;border-left:2px solid var(--mint);padding-left:20px;font-size:14px;color:var(--deep);line-height:1.6;font-weight:600}.masthead__note span{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:.07em}.navigation{border-top:1px solid var(--line);background:var(--light)}.navigation__inner{display:flex;align-items:center;gap:30px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.navigation a{position:relative;display:block;padding:13px 2px 14px;font-size:14px;font-weight:650;color:#36534e}.navigation a:hover,.navigation a[aria-current]{color:var(--green)}.navigation a[aria-current]:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--green);border-radius:3px 3px 0 0}.home-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;column-gap:34px;padding-top:29px}.main-column,.side-column{min-width:0}.intro{padding:4px 0 25px;border-bottom:1px solid var(--line)}.intro .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:750;letter-spacing:.05em}.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--orange)}.intro h1{font-size:clamp(27px,3vw,37px);font-weight:800;margin:11px 0 10px}.intro p{font-size:15px;line-height:1.9;color:var(--muted);max-width:710px}.lead-section{margin-top:24px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-heading h2{font-size:23px;font-weight:800;margin-top:5px}.section-heading>p{font-size:13px;color:var(--muted);max-width:240px;text-align:right}.kicker{display:inline-block;font-size:11px;letter-spacing:.12em;color:var(--green);font-weight:800}.text-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--green);font-weight:700;white-space:nowrap}.feature-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,1fr);gap:18px}.story{min-width:0}.story h3{font-size:16px;font-weight:750;line-height:1.47;margin:7px 0}.story p{color:var(--muted);font-size:13px;line-height:1.78}.story__meta{display:flex;align-items:center;gap:9px;color:#6c8580;font-size:11px;font-weight:650}.story__meta span:first-child{color:var(--green)}.dot{background:#b8c8bf;width:3px;height:3px;border-radius:50%}.story__more{display:inline-block;font-size:12px;font-weight:750;color:var(--green);margin-top:10px}.story--featured{border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden}.story--featured .story__image{display:block;aspect-ratio:1.44;background:var(--light);overflow:hidden}.story--featured .story__image img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}.story--featured .story__image:hover img{transform:scale(1.025)}.story--featured .story__body{padding:16px 18px 18px}.story--featured h3{font-size:20px;margin:9px 0}.story--featured p{font-size:14px}.feature-side{display:flex;flex-direction:column;justify-content:space-between;gap:8px}.feature-side .story{padding:4px 0 14px;border-bottom:1px solid var(--line)}.feature-side .story:last-child{border:0;padding-bottom:3px}.feature-side .story h3{font-size:17px}.feature-side .story__more{margin-top:5px}.editorial-section{margin-top:38px}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tile{min-width:0;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden;box-shadow:var(--shadow)}.tile__photo{display:block;aspect-ratio:1.6;background:var(--light);overflow:hidden}.tile__photo img{width:100%;height:100%;object-fit:cover;transition:transform .25s}.tile__photo:hover img{transform:scale(1.03)}.tile__content{padding:14px}.tile__content>span{font-size:11px;color:var(--orange);font-weight:750}.tile h3{font-size:15px;margin:6px 0 8px}.tile p{font-size:12px;color:var(--muted);line-height:1.8}.compact-list{border-top:1px solid var(--line)}.compact-list>.story{padding:17px 2px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr}.compact-list .story h3{font-size:17px}.compact-list .story__more{margin-top:5px}.dual-reads{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dual-reads .story{padding:18px;background:var(--light);border-radius:var(--r);border:1px solid var(--line)}.dual-reads .story h3{font-size:16px}.side-column{padding-top:0}.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:19px 17px;margin-bottom:17px}.side-title{display:flex;align-items:center;gap:9px;margin-bottom:12px}.side-title h2{font-size:17px;font-weight:800}.side-title__marker{height:18px;width:4px;background:var(--green);border-radius:4px}.rank-list{list-style:none;padding:0}.rank-list li{display:flex;align-items:start;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.rank-list li:last-child{border-bottom:0;padding-bottom:0}.rank-list li>span{font-size:19px;color:#91b9aa;line-height:1.3;font-weight:800;font-variant-numeric:tabular-nums}.rank-list li:nth-child(-n+2)>span{color:var(--orange)}.rank-list li a{font-size:13px;line-height:1.65;font-weight:650}.side-panel--tinted{background:var(--light);border-color:#cee3d6;padding:20px}.side-label{color:var(--orange);font-size:11px;letter-spacing:.08em;font-weight:800}.side-panel--tinted h2{font-size:19px;margin:8px 0 10px}.side-panel--tinted p{font-size:13px;color:#506a63;line-height:1.8}.side-panel--tinted a{display:inline-block;color:var(--green);font-size:12px;font-weight:800;margin-top:12px}.mini-link{padding:12px 0;border-bottom:1px solid var(--line)}.mini-link:last-child{border-bottom:0;padding-bottom:0}.mini-link span{display:block;color:var(--green);font-size:11px;font-weight:750;margin-bottom:3px}.mini-link a{font-size:13px;line-height:1.65;font-weight:650}.brand-section{margin-top:50px;margin-bottom:52px;display:grid;grid-template-columns:210px 1fr;gap:38px;border-top:3px solid var(--green);background:var(--light);padding:30px 32px;border-radius:0 0 var(--r) var(--r)}.brand-section h2{font-size:23px;margin-top:5px}.brand-section__content{display:grid;grid-template-columns:1.1fr 1fr;gap:35px}.brand-section__content p{font-size:14px;color:#425e55;line-height:1.95}.brand-section__content h3{font-size:16px;margin-bottom:6px}.brand-section__content strong{word-break:break-all}.site-footer{background:var(--deep);color:#c5d7d1;padding:34px 0 18px}.footer-layout{display:grid;grid-template-columns:1.6fr .75fr 1.2fr;gap:65px}.footer-brand{font-size:25px;color:#fff;display:block;line-height:1.35;margin-bottom:8px}.footer-layout p{font-size:12px;line-height:2;max-width:450px}.footer-layout h2{font-size:14px;color:#e1fff1;margin-bottom:10px}.footer-layout a{display:block;color:#c5d7d1;font-size:12px;margin:5px 0}.footer-layout a:hover{color:#fff}.footer-bottom{border-top:1px solid #3d5953;margin-top:23px;padding-top:12px;display:flex;justify-content:space-between;font-size:11px;color:#a3beb3}.breadcrumb{margin:22px 0 20px}.breadcrumb ol{display:flex;align-items:center;gap:9px;list-style:none;padding:0;min-width:0;flex-wrap:wrap}.breadcrumb li{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.breadcrumb li+li:before{content:"/";color:#a9bdb4}.breadcrumb li span{overflow-wrap:anywhere}.inner-page{padding-bottom:56px}.inner-hero{padding:29px 32px;background:linear-gradient(113deg,#e3f4e8,#edf6ee);border:1px solid #d2e8d9;border-radius:var(--r);display:grid;grid-template-columns:1fr 210px;gap:24px;align-items:center}.inner-hero h1{font-size:clamp(27px,3vw,37px);margin:10px 0 12px}.inner-hero p{font-size:15px;color:#526b62;line-height:1.95;max-width:690px}.inner-hero__figure{background:#fff9;border:1px solid #cfdfd5;border-radius:8px;padding:13px;display:flex;flex-direction:column;gap:8px}.inner-hero__figure span{border-left:3px solid var(--green);padding:8px 12px;background:white;font-size:12px;font-weight:750;color:var(--deep)}.inner-hero__figure span:nth-child(2){border-color:var(--orange)}.inner-content{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:43px;margin-top:35px}.topic-list{border-top:1px solid var(--line)}.topic-item{display:grid;grid-template-columns:50px minmax(0,1fr);gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}.topic-number{font-size:30px;font-weight:800;color:#a8cfc1;line-height:1.35}.topic-item h3{font-size:19px;margin:8px 0}.topic-item p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:7px}.topic-aside{align-self:start;background:#fff;border-top:3px solid var(--green);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}.topic-aside h2{font-size:18px;margin-bottom:16px}.topic-aside dt{font-size:14px;font-weight:800;margin-bottom:4px;color:var(--deep)}.topic-aside dd{font-size:13px;color:var(--muted);line-height:1.85;margin:0 0 15px}.topic-aside p{border-top:1px solid var(--line);padding-top:13px;font-size:13px;color:var(--green);font-weight:750}.reading-page{padding-bottom:64px}.reading-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(230px,1fr);gap:46px;align-items:start}.article-full{min-width:0}.article-head{padding:14px 0 24px}.article-head h1{font-size:clamp(28px,3.1vw,40px);font-weight:800;margin:12px 0 16px;line-height:1.35}.article-deck{font-size:16px;line-height:1.95;color:#52645d}.article-byline{display:flex;gap:22px;color:#7b8f84;font-size:12px;margin-top:19px;border-top:1px solid var(--line);padding-top:12px}.article-cover{margin-bottom:27px}.article-cover img{width:100%;aspect-ratio:1.68;object-fit:cover;background:var(--light);border-radius:var(--r)}.article-cover figcaption{font-size:11px;text-align:right;color:var(--muted);margin-top:6px}.article-text{font-size:16px;line-height:2.12}.article-text section{margin:0 0 28px}.article-text h2{font-size:23px;margin:0 0 10px;padding-left:13px;border-left:4px solid var(--green)}.article-text p{line-height:2.12;color:#344740}.article-foot{margin-top:40px;padding:17px 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:19px;flex-wrap:wrap;font-size:13px}.article-foot span{font-weight:700;color:var(--deep)}.article-foot a{color:var(--green);font-weight:700}.reading-aside{padding-top:18px;position:sticky;top:16px}.error-page{text-align:center;padding-top:90px;padding-bottom:110px}.error-code{font-size:96px;line-height:1.1;font-weight:850;color:var(--mint)}.error-page h1{font-size:29px;margin:8px 0 12px}.error-page p{color:var(--muted);margin-bottom:23px}.button-link{display:inline-block;background:var(--green);color:#fff!important;font-size:14px;font-weight:750;padding:10px 20px;border-radius:5px}.button-link:hover{background:var(--deep)}.simple-link{display:block;color:var(--green);margin-top:16px;font-size:13px}
@media(min-width:1350px){.shell{width:min(calc(100% - 88px),var(--max))}.home-layout{column-gap:44px}.side-panel{padding:20px}}
@media(max-width:1040px){.home-layout{grid-template-columns:minmax(0,1fr) 240px;gap:22px}.feature-grid{grid-template-columns:1fr 1fr}.feature-side .story p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.brand-section{grid-template-columns:170px 1fr;gap:22px}.brand-section__content{gap:20px}.inner-content{gap:25px;grid-template-columns:minmax(0,1fr) 245px}.reading-layout{grid-template-columns:minmax(0,1fr) 230px;gap:26px}}
@media(max-width:820px){.home-layout{display:block}.side-column{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px}.side-panel{margin:0}.side-panel:last-child{display:none}.intro{padding-top:0}.brand-section{grid-template-columns:1fr;gap:15px}.inner-content{grid-template-columns:1fr}.topic-aside{display:block}.reading-layout{grid-template-columns:1fr}.reading-aside{position:static;padding-top:0}.reading-aside .side-panel{max-width:100%}}
@media(max-width:620px){.shell{width:min(calc(100% - 32px),var(--max))}.topline__inner{justify-content:center}.topline__inner span:last-child{display:none}.masthead{padding:14px 0;gap:10px}.brand{gap:9px}.brand img{width:44px;height:44px}.brand__copy strong{font-size:24px}.brand__copy small{font-size:10px;margin-top:5px;letter-spacing:.12em}.masthead__note{display:none}.navigation__inner{gap:21px}.navigation a{font-size:13px;padding:12px 1px}.home-layout{padding-top:22px}.intro h1{font-size:28px;line-height:1.4}.intro p{font-size:14px}.section-heading{gap:12px;align-items:start}.section-heading h2{font-size:20px}.section-heading>p{display:none}.feature-grid{grid-template-columns:1fr}.story--featured .story__image{aspect-ratio:1.65}.feature-side{display:grid;grid-template-columns:1fr}.feature-side .story{padding:8px 0 12px}.feature-side .story p{display:block}.feature-side .story h3{font-size:16px}.article-grid{grid-template-columns:1fr 1fr;gap:11px}.tile__content{padding:10px}.tile h3{font-size:14px}.tile p{font-size:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.dual-reads{grid-template-columns:1fr;gap:12px}.side-column{display:block}.side-panel{margin-bottom:13px}.side-panel:last-child{display:block}.brand-section{margin:38px auto;padding:23px 18px}.brand-section__content{grid-template-columns:1fr;gap:16px}.footer-layout{grid-template-columns:1fr 1fr;gap:26px}.footer-layout>div:first-child{grid-column:1/-1}.footer-bottom{gap:15px;flex-wrap:wrap}.inner-hero{grid-template-columns:1fr;padding:23px 20px}.inner-hero__figure{flex-direction:row;gap:6px}.inner-hero__figure span{flex:1;font-size:11px;padding:6px}.inner-hero h1{font-size:29px}.inner-hero p{font-size:14px}.inner-content{margin-top:27px}.topic-item{grid-template-columns:35px 1fr;gap:11px}.topic-number{font-size:24px}.topic-item h3{font-size:17px}.topic-item p{font-size:13px}.article-head h1{font-size:29px}.article-deck{font-size:15px}.article-text{font-size:15px}.article-text h2{font-size:21px}.reading-page{padding-bottom:45px}.error-page{padding-top:65px;padding-bottom:78px}}
@media(max-width:380px){.article-grid{grid-template-columns:1fr}.tile__photo{aspect-ratio:2}.navigation__inner{gap:17px}.section-heading .text-link{font-size:12px}.footer-layout{grid-template-columns:1fr}.footer-layout>div:first-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.topline,.navigation,.side-column,.reading-aside,.site-footer{display:none!important}.shell{width:100%}.home-layout,.reading-layout{display:block}.article-text{font-size:12pt}a{text-decoration:underline}}