*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5faf7;color:#304643;font:16px/1.78 -apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",sans-serif;overflow-x:hidden}body.lock{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:#0f766e}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #44c7b1;outline-offset:3px}p{margin:0 0 16px}h1,h2,h3{line-height:1.32;color:#142c2b;margin:0 0 15px}h1{font-size:clamp(28px,3vw,40px);letter-spacing:-.04em}h2{font-size:clamp(22px,2.4vw,28px)}h3{font-size:20px}.wrap{width:min(1240px,calc(100% - 48px));margin-inline:auto}.masthead{background:#fff;border-bottom:1px solid #ddeae6;position:sticky;top:0;z-index:40}.mast-inner{display:flex;align-items:center;gap:25px;min-height:74px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand small{font-size:12px;color:#75969b;white-space:nowrap}.brand-text{font-size:24px;color:#075b56;font-weight:900;white-space:nowrap;letter-spacing:-1.5px}.brand-text span{color:#142c2b}.logo{max-width:155px;max-height:35px;width:auto;height:auto;object-fit:contain}.desktop-nav{display:flex;gap:19px;align-items:center;margin-left:auto;white-space:nowrap}.desktop-nav a{font-weight:650;font-size:14px;padding:23px 0;position:relative}.desktop-nav a.active{color:#075b56}.desktop-nav a.active:after{content:"";height:2px;background:#0f766e;position:absolute;bottom:12px;left:0;right:0}.header-actions{display:flex;gap:9px;align-items:center}.icon-btn,.menu-btn,.close-btn{border:1px solid #d9e8e1;background:#fff;color:#143a36;min-width:44px;min-height:44px;border-radius:10px}.icon-btn{font-size:26px}.menu-btn{padding:0 14px;font-size:14px;font-weight:700;white-space:nowrap}.channel-rail{background:#e7f3ec;border-bottom:1px solid #d4e7dc}.rail-scroll{height:45px;display:flex;align-items:center;gap:27px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}.rail-scroll::-webkit-scrollbar{display:none}.rail-scroll a{font-size:14px;font-weight:650}.rail-scroll .active{color:#075b56;border-bottom:2px solid #075b56}.rail-label{font-size:12px;color:#566d69;border-right:1px solid #b8cfc7;padding-right:16px}.eyebrow{display:block;font-size:12px;font-weight:800;letter-spacing:.11em;color:#0f766e;text-transform:uppercase;margin-bottom:12px}.lede{font-size:17px;line-height:1.9;max-width:780px;color:#435c57}.section{padding:50px 0}.section-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:22px;border-bottom:1px solid #d6e7de;padding-bottom:14px}.section-title h2{margin:0}.section-title a,.text-link{color:#0b625b;font-weight:700}.paper{background:#fff}.dark{background:#091f20;color:#d8eae5}.dark h2,.dark h3,.dark .lede{color:#f8fcfa}.dark .eyebrow{color:#44c7b1}.hero{padding-top:43px}.hero-top{max-width:840px;margin-bottom:28px}.hero-top h1{margin-bottom:7px}.hero-grid,.split{display:grid;grid-template-columns:1.65fr 1fr;gap:20px}.hero-side{display:grid;grid-template-rows:1fr 1fr;gap:16px}.feature-card{display:block;background:#fff;padding:26px;border:1px solid #d9e8e1;border-radius:15px}.feature-card strong{display:block;font-size:21px;line-height:1.35;color:#142c2b;margin-bottom:9px}.feature-card p{font-size:14px;line-height:1.7}.media{background:#dcece6;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:130px}.media img{display:block;max-width:100%;width:100%;height:auto;max-height:300px;object-fit:contain;object-position:center}.media.hero-media{min-height:235px}.hero-media img{max-height:385px}.media.head-image img{max-height:270px}.media-fallback{width:100%;height:100%;min-height:150px;display:flex;align-items:center;justify-content:center;background:linear-gradient(130deg,#d6ede5,#e7f3ec 58%,#b2ded2);padding:34px;text-align:center}.media-fallback span{color:#075b56;font-size:clamp(17px,2vw,28px);font-weight:800;letter-spacing:.08em}.hero-media .media-fallback{min-height:300px}.columns3,.columns2,.columns4{display:grid;gap:18px}.columns3{grid-template-columns:repeat(3,minmax(0,1fr))}.columns2{grid-template-columns:repeat(2,minmax(0,1fr))}.columns4{grid-template-columns:repeat(4,minmax(0,1fr))}.channel-card{display:flex;flex-direction:column;gap:8px;min-height:145px;background:#fff;padding:21px;border:1px solid #dbeae3;border-radius:14px}.channel-card strong{font-size:18px;color:#122f2d}.channel-card .hint{font-size:14px;line-height:1.65;color:#566d69}.channel-card:hover,.story:hover,.feature-card:hover{border-color:#44c7b1;box-shadow:0 10px 25px #082a2810}.story{display:block;padding:21px 23px;background:#fff;border:1px solid #dbeae3;border-radius:14px;min-width:0}.story strong{display:block;font-size:18px;line-height:1.46;color:#142c2b;margin:0 0 10px}.story .summary{display:block;color:#566d69;font-size:14px;line-height:1.7}.story .more{display:block;color:#0f766e;font-size:13px;font-weight:700;margin-top:15px}.story-wide{padding:27px}.story-wide strong{font-size:24px}.stack{display:grid;gap:14px}.magazine{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:start}.magazine.reverse{grid-template-columns:1fr 1.15fr}.topic-banner{padding:28px;background:#133238;border-radius:16px;color:#d8eae5}.topic-banner h2,.topic-banner h3{color:#f8fcfa}.topic-banner .media{margin-bottom:19px}.step{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #d5e7df}.step b{color:#0f766e;font-size:25px}.step p{margin:0}.article-list{list-style:none;padding:0;margin:0}.article-list li{border-bottom:1px solid #d7e7e0;padding:16px 0}.article-list a{font-weight:750;color:#173c38}.article-list p{margin:5px 0 0;font-size:14px;color:#566d69}.inner-head{padding-top:35px;padding-bottom:25px}.breadcrumbs{font-size:13px;color:#6f8781;margin-bottom:28px}.inner-head-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:35px;align-items:center}.content-panel{background:#fff;padding:32px;border-radius:16px;border:1px solid #dbeae3}.content-panel p{max-width:920px}.content-panel h2{margin-top:22px}.notes{background:#e7f3ec;padding:24px;border-radius:13px}.inner-grid{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:27px}.article-body{max-width:790px;background:#fff;padding:34px;border-radius:16px}.article-body p{font-size:17px;line-height:1.92;margin-bottom:24px}.article-body h2{margin:35px 0 15px}.article-aside{position:static}.tag{display:inline-block;background:#e7f3ec;color:#075b56;padding:5px 11px;border-radius:6px;margin:4px;font-size:13px}.subtle{color:#5b716c;font-size:14px}.faq-list{max-width:900px}.faq-list details{background:#fff;margin-bottom:12px;padding:19px 21px;border:1px solid #dbeae3;border-radius:11px}.faq-list summary{cursor:pointer;color:#142c2b;font-weight:750}.faq-list p{margin-top:14px}.site-footer{background:#091f20;color:#d8eae5;padding:54px 0 96px;border-top:3px solid #0f766e}.footer-brand{color:#f8fcfa;font-size:24px;font-weight:850}.footer-brand small{font-size:12px;color:#8ad8c8}.footer-intro{max-width:650px;margin-bottom:34px}.footer-intro p{color:#bad2cb;margin-top:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-grid h2{font-size:16px;color:#f8fcfa}.footer-grid a{display:block;font-size:14px;color:#bad2cb;padding:3px 0}.footer-grid a:hover{color:#44c7b1}.copyright{border-top:1px solid #365351;color:#9fc1b9;padding-top:22px;margin-top:30px;font-size:13px}.overlay{position:fixed;inset:0;background:#071713aa;z-index:65;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;right:0;top:0;bottom:0;width:min(380px,88vw);z-index:70;background:#fff;transform:translateX(103%);opacity:0;visibility:hidden;pointer-events:none;transition:transform .22s,opacity .22s;display:flex;flex-direction:column}.drawer.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.drawer-top,.search-top{display:flex;align-items:center;justify-content:space-between;padding:18px 23px;border-bottom:1px solid #dbeae3;color:#142c2b}.close-btn{font-size:25px}.drawer-body{padding:10px 24px 40px;overflow-y:auto}.drawer-body section{padding:12px 0;border-bottom:1px solid #e2ede7}.drawer-body h3{font-size:14px;color:#0f766e;margin:5px 0}.drawer-body a{display:inline-block;width:50%;font-size:14px;padding:10px 4px}.search-panel{position:fixed;z-index:71;left:50%;top:16vh;width:min(580px,calc(100vw - 32px));transform:translate(-50%,-12px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border-radius:14px;box-shadow:0 20px 70px #0005;transition:opacity .2s,transform .2s}.search-panel.open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-panel form{padding:24px}.search-panel label{display:block;font-size:14px;margin-bottom:13px}.search-line{display:flex;gap:9px}.search-line input{flex:1;min-width:0;padding:13px;border:1px solid #bdd6ce;border-radius:9px}.search-line button,.button{display:inline-block;background:#0f766e;color:#fff;border:0;border-radius:9px;padding:12px 21px;font-weight:750}.button:hover,.search-line button:hover{background:#075b56;color:#fff}.search-page-form{max-width:680px;margin-bottom:26px}.mobile-bottom{display:none}.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.link-row a{border:1px solid #b7d5ca;border-radius:9px;padding:9px 15px;color:#075b56;font-weight:700}.numbered{counter-reset:feature}.numbered>div{padding:15px 0;border-bottom:1px solid #d7e7e0}.numbered>div:before{counter-increment:feature;content:counter(feature,decimal-leading-zero);color:#0f766e;font-size:22px;font-weight:800;margin-right:16px}@media(max-width:1100px){.desktop-nav{gap:11px}.brand small{display:none}.desktop-nav a{font-size:13px}}@media(max-width:850px){.desktop-nav{display:none}.header-actions{margin-left:auto}.inner-grid{grid-template-columns:1fr}.columns4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){body{font-size:15px}.wrap{width:calc(100% - 32px)}.mast-inner{min-height:60px;gap:10px}.brand-text{font-size:22px}.menu-btn{font-size:0;padding:0 12px}.menu-btn span{font-size:18px}.rail-scroll{height:42px;gap:22px}.rail-label{display:none}.section{padding:32px 0}.hero{padding-top:27px}.hero-grid,.split,.magazine,.magazine.reverse,.inner-head-grid{grid-template-columns:1fr}.hero-side{grid-template-rows:auto}.columns3,.columns2,.columns4{grid-template-columns:1fr}.hero-media .media-fallback{min-height:195px}.media.hero-media{min-height:195px}.media img{max-height:250px}.hero-media img{max-height:280px}.content-panel,.article-body{padding:21px}.article-body p{font-size:16px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.footer-grid a{font-size:13px}.site-footer{padding-bottom:110px}.mobile-bottom{display:grid;position:fixed;z-index:45;bottom:0;left:0;right:0;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #d2e8df;min-height:56px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a,.mobile-bottom button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;background:transparent;border:0;color:#075b56;font-size:12px;min-height:56px}.mobile-bottom span{font-size:19px;line-height:1.2}.feature-card{padding:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* 2026 edition: editorial teal and charcoal, asymmetrical cover */
:root{--brand:#00695f}body{background:#f3f8f5}.masthead{box-shadow:0 4px 18px rgba(7,44,40,.055)}.new-front{background:linear-gradient(115deg,#edf6f0 0%,#fdfdf8 70%);padding-top:46px}.new-front h1{font-size:clamp(32px,4.4vw,57px);letter-spacing:-.035em}.front-tag{font-size:clamp(20px,2.9vw,29px);font-weight:760;color:#075b56;margin:4px 0 12px}.new-front .lede{max-width:900px}.cover-duo{display:grid;grid-template-columns:1.55fr .9fr;gap:22px;margin-top:28px;align-items:stretch}.front-dark{background:#091f20;color:#d8eae5;padding:clamp(22px,3vw,42px);border-radius:18px;display:flex;flex-direction:column;justify-content:center}.front-dark h2{color:#fff}.front-dark p{color:#c7dcd4}.front-dark .button{align-self:flex-start;margin-top:15px}.ink-feature{background:#133238;color:#edf8f4}.ink-feature h2{color:#fff}.ink-feature p{color:#d8eae5}.ink-feature .eyebrow{color:#80decd}.ink-feature .story{background:#214148;border-color:#446268}.ink-feature .story strong{color:#fff}.ink-feature .story .summary{color:#d3e4df}.ink-feature .story .more{color:#7fdec9}.section-title h2{letter-spacing:-.025em}.channel-card{transition:transform .18s,border-color .18s}.channel-card:hover{transform:translateY(-2px)}@media(max-width:650px){.cover-duo{grid-template-columns:1fr}.new-front{padding-top:25px}.front-dark{min-height:245px}.new-front .lede{font-size:15px}}