*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#142c2b;line-height:1.3}h1{font-size:clamp(28px,3.1vw,40px)}h2{font-size:clamp(22px,2.3vw,28px)}h3{font-size:18px}p{margin-bottom:1rem}.container{width:min(1240px,calc(100% - 64px));margin:auto}.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #dbe8e2;box-shadow:0 4px 20px #08362b08}.bar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;align-items:center;gap:12px;flex:none;color:#0f766e}.brand img{max-height:36px;max-width:130px;object-fit:contain}.brand strong{font-size:29px;line-height:1;letter-spacing:-1px}.brand strong span{color:#142c2b}.brand small{font-size:12px;color:#566d69;white-space:nowrap}.main-nav{display:flex;align-items:center;gap:21px;white-space:nowrap}.main-nav a{position:relative;font-size:14px;font-weight:700;padding:25px 0}.main-nav a:hover,.main-nav .active{color:#075b56}.main-nav .active:after{content:"";height:2px;background:#0f766e;position:absolute;bottom:17px;left:0;right:0}.actions{display:flex;gap:8px;flex:none}.icon-button,.menu-button{background:#edf6f1;border:1px solid #d5e5dd;color:#075b56;border-radius:10px;min-height:44px;padding:8px 14px;font-weight:700}.icon-button{width:44px;font-size:27px;line-height:20px}.channel-strip{background:#e7f3ec;border-bottom:1px solid #d4e6dd}.channel-inner{display:flex;align-items:center;gap:20px;height:45px;min-width:0}.strip-caption{color:#075b56;font-size:12px;font-weight:800;white-space:nowrap}.channel-inner nav{display:flex;align-items:center;gap:25px;overflow-x:auto;white-space:nowrap;min-width:0;height:100%;scrollbar-width:none}.channel-inner nav a{font-size:13px;color:#355f58;font-weight:600}.channel-inner nav a:hover{color:#0f766e}.site-main{min-height:55vh}.section{padding:60px 0}.section.tight{padding:38px 0}.section-head{display:flex;gap:24px;justify-content:space-between;align-items:end;margin-bottom:25px}.section-head h2{margin:5px 0 8px}.section-head p{max-width:650px;color:#566d69;margin:0;font-size:15px}.eyebrow{font-size:12px;color:#0f766e;letter-spacing:.07em;font-weight:800}.text-link{color:#075b56;font-weight:800;font-size:14px;white-space:nowrap}.text-link:hover{text-decoration:underline}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:45px;border-radius:10px;padding:10px 20px;color:white;background:#0f766e;border:1px solid #0f766e;font-weight:750}.btn:hover{background:#075b56}.btn.secondary{background:white;color:#075b56;border-color:#a8cbc2}.hero{padding:48px 0 22px}.hero-head{max-width:860px;margin-bottom:22px}.hero-head h1{margin:6px 0 10px}.hero-head p{max-width:820px}.hero-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:18px}.hero-visual{min-height:300px}.hero-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}.media{background:linear-gradient(140deg,#d8eee4,#b4ded1 68%,#e6f0e7);border-radius:15px;overflow:hidden;display:grid;place-items:center;min-height:170px}.media img{width:100%;max-height:400px;object-fit:contain;object-position:center}.media.empty-media{padding:30px;position:relative;min-height:170px;text-align:center}.empty-media:before{content:"";position:absolute;width:140px;height:140px;border-radius:50%;background:#fff5;right:-25px;top:-45px}.empty-media span{font-weight:800;font-size:clamp(18px,2vw,27px);color:#125d55;position:relative;max-width:80%}.hero-visual.empty-media{min-height:335px}.cover-card,.story,.topic-card,.feature-block,.rail-card,.paper,.channel-summary,.info-card{background:white;border:1px solid #dceae3;border-radius:15px;padding:24px}.cover-card{background:#133238;color:#d8eae5;display:flex;flex-direction:column;justify-content:center}.cover-card h3,.cover-card a{color:white}.cover-card p{color:#d8eae5}.cover-card .eyebrow{color:#75e4cf}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.six{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-card{border-top:3px solid #0f766e;min-height:150px}.topic-card h3{margin:10px 0}.topic-card p{font-size:14px;margin:0}.story{display:flex;flex-direction:column;gap:8px}.story h3{margin:3px 0;font-size:18px}.story p{font-size:14px;color:#566d69;flex:1;margin:0}.story .text-link{margin-top:10px}.story.compact{border:0;border-bottom:1px solid #dde8e2;border-radius:0;padding:14px 0}.story.compact:last-child{border-bottom:0}.story.compact h3{font-size:16px}.story.compact p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}.feature-layout.reverse{grid-template-columns:5fr 7fr}.feature-text{background:white;border:1px solid #dceae3;border-radius:15px;padding:30px}.feature-text h2{margin:10px 0 16px}.feature-text p{color:#566d69}.inline-list{display:grid;gap:10px;margin-top:20px}.inline-list a{border-bottom:1px solid #dbe6df;padding:9px 0;font-weight:700;color:#075b56}.dark-panel{background:#091f20;color:#d8eae5}.dark-panel h2,.dark-panel h3,.dark-panel .eyebrow{color:#f8fcfa}.dark-panel .text-link{color:#70d7c4}.dark-panel .story{background:#133238;border-color:#315353}.dark-panel .story h3{color:#f8fcfa}.dark-panel .story p{color:#d8eae5}.paper-panel{background:#e7f3ec}.paper-panel .step{background:white}.step{padding:20px;border-radius:12px;border:1px solid #dbe7df}.step b{font-size:21px;color:#0f766e}.step h3{margin:8px 0}.step p{font-size:14px;margin:0}.list-index{display:grid;gap:0}.list-index a{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid #d4e5dc}.list-index b{font-size:25px;color:#0f766e;line-height:1}.list-index strong{color:#142c2b;display:block}.list-index small{display:block;color:#566d69}.crumb{font-size:13px;margin-bottom:18px;color:#6a8079}.crumb a{color:#0f766e}.page-hero{padding:44px 0 25px}.page-hero h1{margin:10px 0 13px}.page-lead{max-width:850px;font-size:16px;color:#566d69;line-height:1.85}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:32px;align-items:start}.prose{font-size:16px;line-height:1.87}.prose h2{margin:32px 0 14px}.prose p{margin-bottom:18px}.prose .lead{font-size:18px;color:#2b4a43}.prose-box{background:white;padding:35px;border:1px solid #dfebe4;border-radius:16px}.side-box{position:sticky;top:100px;background:#e7f3ec;padding:24px;border-radius:15px}.side-box h3{margin-bottom:10px}.side-box a{display:block;padding:12px 0;border-bottom:1px solid #c8e0d5;font-size:14px}.meta{color:#657973;font-size:13px}.tag{display:inline-flex;margin:6px 8px 6px 0;padding:4px 10px;border-radius:8px;background:#e7f3ec;color:#075b56;font-size:12px}.faq-list{display:grid;gap:12px}.faq-list details{padding:20px 22px;border:1px solid #d6e6dc;background:white;border-radius:12px}.faq-list summary{font-weight:800;cursor:pointer;color:#142c2b}.faq-list p{margin:12px 0 0}.search-form{display:flex;gap:10px;max-width:650px}.search-form input,.search-row input{min-width:0;flex:1;border:1px solid #bad3c9;border-radius:10px;padding:11px 14px;background:white}.pager{display:flex;gap:10px;margin:28px 0}.pager a,.pager span{padding:8px 14px;background:white;border:1px solid #cee0d6;border-radius:9px}.pager .current{background:#0f766e;color:white}.footer{background:#091f20;color:#d8eae5;border-top:4px solid #0f766e;padding:52px 0 90px}.footer-top{display:grid;grid-template-columns:1fr 3fr;gap:50px}.footer-name{color:#fff;font-size:27px;font-weight:850}.footer-logo{height:36px;object-fit:contain;max-width:165px}.footer-about>span{display:block;color:#66d3bc;font-size:12px;letter-spacing:.15em;margin:10px 0}.footer-about p{max-width:260px;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.footer-links h3{color:#f8fcfa;font-size:15px}.footer-links a{display:block;color:#c1dcd5;font-size:13px;padding:4px 0}.footer-links a:hover{color:white}.footer-bottom{border-top:1px solid #31504b;margin-top:35px;padding-top:20px;font-size:12px;color:#b4d0c8}.overlay{position:fixed;inset:0;z-index:70;background:#061b1baa}.overlay[hidden]{display:none}.drawer,.search-panel{z-index:75;position:fixed;background:white;visibility:hidden;opacity:0;pointer-events:none;transition:transform .23s,opacity .23s,visibility .23s;box-shadow:0 18px 50px #0017}.drawer{right:0;top:0;bottom:0;width:min(380px,88vw);transform:translateX(102%);display:flex;flex-direction:column}.drawer.show{transform:translateX(0);visibility:visible;opacity:1;pointer-events:auto}.panel-top{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border-bottom:1px solid #d8e8df;color:#142c2b}.close-button{border:0;background:#e7f3ec;border-radius:9px;font-size:26px;width:44px;height:44px}.panel-content{padding:8px 23px 25px;overflow-y:auto}.panel-content section{border-bottom:1px solid #d8e8df;padding:12px 0}.panel-content h3{margin:5px 0 10px;font-size:15px}.panel-content a{display:inline-flex;font-size:14px;padding:8px 12px 8px 0;color:#315f55}.search-panel{top:12vh;left:50%;width:min(560px,calc(100% - 30px));border-radius:14px;transform:translate(-50%,-20px)}.search-panel.show{transform:translate(-50%,0);visibility:visible;opacity:1;pointer-events:auto}.search-panel form{padding:25px}.search-panel label{display:block;margin-bottom:10px;font-size:14px}.search-row{display:flex;gap:10px}.mobile-bottom,.mobile-only{display:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #e5a476;outline-offset:3px}@media(max-width:1180px){.main-nav{gap:12px}.brand small{display:none}}@media(max-width:940px){.main-nav{display:none}.container{width:calc(100% - 40px)}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-top{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(4,minmax(0,1fr))}.page-layout{grid-template-columns:minmax(0,1fr) 230px}}@media(max-width:640px){.container{width:calc(100% - 32px)}.bar{height:60px;gap:8px}.brand strong{font-size:24px}.brand img{max-height:32px;max-width:115px}.menu-button{padding:8px}.desktop-only{display:none}.mobile-only{display:inline}.channel-inner{height:42px}.strip-caption{display:none}.channel-inner nav{gap:19px}.section{padding:34px 0}.section.tight{padding:24px 0}.section-head{display:block;margin-bottom:16px}.section-head .text-link{display:inline-block;margin-top:9px}.hero{padding-top:27px}.hero-grid,.feature-layout,.feature-layout.reverse,.grid.two,.grid.three,.grid.six{grid-template-columns:1fr}.hero-side{grid-template-rows:auto}.hero-visual.empty-media{min-height:220px}.cover-card{min-height:155px}.feature-text,.prose-box{padding:22px}.media{min-height:165px}.media img{max-height:330px}.page-hero{padding-top:25px}.page-layout{grid-template-columns:1fr}.side-box{position:static}.footer{padding-bottom:110px}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-top{gap:24px}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;padding-bottom:env(safe-area-inset-bottom);height:calc(56px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #d4e5dc;align-items:flex-start}.mobile-bottom a,.mobile-bottom button{height:56px;display:flex;justify-content:center;align-items:center;flex:1;color:#075b56;font-weight:750;background:none;border:0;font-size:14px}.search-form,.search-row{flex-wrap:wrap}.search-form .btn,.search-row .btn{flex:0 0 auto}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}


/* 51吃瓜 · 51爆料 / 新版编辑视觉 */
:root{--bg:#fffaf4;--ink:#253332;--accent:#c76430;--line:#e4d9ca}
body{background:#fffaf4;color:#253332}h1,h2,h3{color:#253332}.header{background:#fffdf9;border-bottom:1px solid #e8dbca}.channel-strip{background:#f7eade}.eyebrow,.text-link,.crumb a{color:#9b4825}.brand strong span{color:#c76430}.main-nav a.active,.main-nav a:hover,.channel-inner nav a:hover{color:#a54d2a}.btn{background:#bd582e;border-color:#bd582e}.btn:hover{background:#994220}.btn.secondary{color:#914723;border-color:#d5ad97}.section-head p,.story p,.page-lead,.feature-text p{color:#58635c}.section{padding:52px 0}.topic-card,.cover-card,.story,.feature-text,.feature-block,.prose-box,.step{border-color:#e4d9ca}.topic-card{border-top:3px solid #c76430;background:#fffefa}.media{background:linear-gradient(135deg,#e9e0ca,#cfdbd0 53%,#efd1b7)}.empty-media span{color:#5b6048}.dark-panel{background:#202d2c;color:#eaece7}.dark-panel h2,.dark-panel h3,.dark-panel .eyebrow{color:#fcf6eb}.dark-panel .text-link{color:#f2bb88}.paper-panel{background:#f4ebdc}.step b,.list-index b{color:#b9552e}.feature-text{background:#fffefa}.new-hero{background:#f5eddf;padding:40px 0 28px}.new-hero .hero-grid{grid-template-columns:0.94fr 1.06fr;align-items:center}.new-hero .front-story{padding:18px 3% 18px 0}.new-hero h1{font-size:clamp(42px,6vw,74px);margin:5px 0 4px;letter-spacing:-.045em}.new-hero h2{font-size:clamp(23px,2.65vw,35px);margin:0 0 14px;color:#b4572e}.new-hero p{line-height:1.85;max-width:570px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.new-hero .hero-visual.empty-media{min-height:330px}.breaking-rail{display:flex;align-items:center;gap:18px;margin-top:25px;border-top:1px solid #deccbc;padding-top:18px;overflow:hidden}.breaking-rail>b{white-space:nowrap;color:#b3532a}.breaking-rail>a{font-size:13px;color:#3f4b47;border-left:1px solid #d2b7a6;padding-left:15px;line-height:1.4}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.new-topics .topic-card{min-height:180px;display:flex;flex-direction:column}.new-topics .topic-card .text-link{margin-top:auto;padding-top:15px}.news-stack{background:#fffefa;border-radius:14px;padding:14px 22px;border:1px solid #e4d9ca}.dark-panel .news-stack{background:#2b3937;border-color:#4b5853}.dark-panel .news-stack .story{background:none}.magazine-card{background:#fffefa;border-radius:15px;border:1px solid #e4d9ca;overflow:hidden}.magazine-card .media{border-radius:0}.magazine-card .feature-text{border:0}.site-main{min-height:60vh}.footer{background:#202d2c;border-top-color:#c76430}.footer-about>span{color:#e7b17f}.footer-links a{color:#dfddd5}.footer-bottom{border-color:#59615a}.side-box{background:#f1e5d3}.tag{background:#f2e3d3;color:#8d4b2f}.pager .current{background:#b9552e}.drawer,.search-panel{background:#fffaf4}.faq-list details{border-color:#e1d3bf}.channel-inner nav a{color:#78553e}
@media(max-width:940px){.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.new-hero .hero-grid,.grid.four{grid-template-columns:1fr}.new-hero .hero-visual.empty-media{min-height:210px}.new-hero .front-story{padding:0}.breaking-rail{display:grid;gap:10px}.breaking-rail>a{border-left:0;border-top:1px solid #ddcebf;padding:8px 0 0}.new-hero h1{font-size:43px}.new-hero h2{font-size:24px}.section{padding:34px 0}.news-stack{padding:10px 15px}.mobile-bottom{background:#fffaf4;border-top-color:#d9c4b0}.mobile-bottom a,.mobile-bottom button{color:#9b4825}}