:root{--green:#169b70;--deep:#143f33;--ink:#23352e;--muted:#7b857f;--line:#e8ece9;--wash:#f4f8f5}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:"Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button,input{font:inherit}img{max-width:100%;display:block}button,a,input{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #e0a653;outline-offset:4px}.wrap{max-width:1256px;margin:auto;padding-left:28px;padding-right:28px}.utility{background:#f6f7f6;color:#8a928d;font-size:11px}.utility .wrap{display:flex;justify-content:space-between;padding-top:8px;padding-bottom:8px}.masthead{display:flex;align-items:center;gap:60px;height:108px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand-mark{width:46px;height:49px;display:grid;place-items:center;background:var(--green);color:white;font-weight:700;font-size:30px;border-radius:13px 13px 13px 2px}.brand strong{display:block;font-size:27px;letter-spacing:1px;line-height:1.25}.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);margin-top:6px}.header-search{display:flex;flex:1;max-width:460px;border:1px solid #dbe5df;border-radius:6px;overflow:hidden;background:#fafcfb;margin:0}.header-search input{width:100%;min-width:0;border:0;padding:12px 16px;background:transparent;font-size:13px;outline-offset:-3px}.header-search button{border:0;background:var(--green);color:white;min-width:76px;cursor:pointer;font-size:14px}.header-guide{margin-left:auto;font-size:12px;color:#8a928d;white-space:nowrap}.header-guide b{display:block;color:var(--green);font-size:14px}.nav-shell{border-bottom:1px solid var(--line)}nav{display:flex;justify-content:space-between;gap:20px}nav a{font-size:15px;font-weight:600;padding:15px 9px 17px;border-bottom:3px solid transparent}nav a:hover,nav a.active{color:var(--green);border-color:var(--green)}main{padding-top:26px;min-height:60vh}h1,h2,h3,p{margin-top:0}h2{font-size:27px;letter-spacing:-.6px;margin-bottom:10px}h3{font-size:19px;margin-bottom:8px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--green)}section{margin-bottom:58px}.hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:20px;margin-bottom:22px}.hero-photo{position:relative;height:438px;overflow:hidden;border-radius:9px;background:#b8ad98}.hero-photo>img{height:100%;width:100%;object-fit:cover}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,32,22,.61),rgba(15,32,22,.08) 76%)}.hero-copy{position:absolute;left:42px;top:48px;color:white}.hero-copy .eyebrow{color:#f1f1e9;font-size:9px;letter-spacing:1.8px}.hero-copy h1{font-size:44px;line-height:1.35;letter-spacing:2px;margin:20px 0 14px;font-weight:650}.hero-copy p{font-size:13px;color:#e6e9df;margin-bottom:28px}.white-button{display:inline-flex;gap:44px;background:white;color:var(--deep);padding:12px 20px;border-radius:4px;font-size:13px;font-weight:600}.hero-caption{position:absolute;bottom:22px;left:42px;color:#f1f4ed;font-size:11px;letter-spacing:2px}.image-note{position:absolute;bottom:22px;right:20px;background:#19332766;color:#fff;padding:3px 7px;border-radius:3px;font-size:9px}.starter{background:#f3f8f4;border:1px solid #e7eee8;border-radius:9px;padding:26px 25px}.starter>.eyebrow{font-size:9px;letter-spacing:2px}.starter h2{font-size:25px;margin:10px 0 4px}.starter>p{font-size:12px;color:#7d8980;margin-bottom:18px}.starter>a{display:flex;align-items:center;gap:11px;padding:18px 0;border-bottom:1px solid #e0e8e1}.starter>a>span:last-child{margin-left:auto;font-size:17px;color:var(--green)}.step-mini{font-size:20px;font-family:Georgia,serif;color:#86a491}.starter b{font-size:14px;font-weight:600}.starter small{display:block;font-size:10px;color:#8a938c;margin-top:4px}.starter-bottom{margin-top:18px;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#7a8c80}.starter-bottom a{color:var(--green)}.journey{display:grid;grid-template-columns:1.3fr repeat(6,1fr);border:1px solid var(--line);border-radius:8px;padding:25px 10px;align-items:center;margin-bottom:60px}.journey-title{padding-left:22px;border-right:1px solid var(--line)}.journey-title>span{font-size:11px;color:var(--muted)}.journey h2{font-size:20px;margin:4px 0}.journey>a{text-align:center;display:flex;flex-direction:column;position:relative}.journey>a:not(:last-child):after{content:'›';position:absolute;right:-3px;top:23px;color:#c9d4cd}.journey>a>span{font-size:13px;color:var(--green);margin-bottom:5px;font-family:Georgia,serif}.journey b{font-size:14px}.journey small{font-size:10px;color:#8a928d;margin-top:4px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:25px;gap:20px}.section-heading h2{margin:8px 0 0}.section-heading p{font-size:13px;color:var(--muted);margin:9px 0 0}.section-heading>a{font-size:12px;color:#6e7c73;white-space:nowrap;padding-bottom:4px}.space-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:22px}.space-card{min-width:0}.space-image{position:relative;height:246px;border-radius:7px;overflow:hidden;background:#eee}.space-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.space-card:hover img{transform:scale(1.03)}.space-image>span{position:absolute;top:14px;left:14px;background:#fffef3ed;color:#4b5b50;font-size:10px;letter-spacing:1px;padding:5px 10px;border-radius:3px}.space-copy{display:flex;justify-content:space-between;align-items:center;padding-top:16px;gap:8px}.space-copy small{color:#8a928d;font-size:10px}.space-copy h3{font-size:17px;margin:5px 0}.space-copy>span{border:1px solid #dfe8e1;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;color:var(--green);flex-shrink:0}.visual-caption{font-size:10px;color:#929b95;margin:16px 0 0}.editorial{padding:35px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.editorial-grid{display:grid;grid-template-columns: .9fr 1.35fr;gap:45px}.editorial-cover{position:relative;min-height:425px;overflow:hidden;border-radius:7px}.editorial-cover img{width:100%;height:100%;object-fit:cover;position:absolute}.editorial-cover:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#153027dc,transparent 95%)}.editorial-cover>div{position:absolute;z-index:1;bottom:34px;left:32px;color:white}.editorial-cover span{font-size:11px;letter-spacing:1px}.editorial-cover h3{font-size:31px;line-height:1.45;margin:15px 0 22px}.editorial-cover b{font-size:12px;font-weight:400}.original-list article{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}.original-list article:first-child{padding-top:0}.original-list article:last-child{border:0;padding-bottom:0}.article-index{font-family:Georgia,serif;font-size:25px;color:#c4d6ca;line-height:1.3}.label{color:var(--green);font-size:10px}.original-list h3{margin:6px 0;font-size:18px}.original-list p{color:#88928a;font-size:12px;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-arrow{margin-left:auto;align-self:center;color:#8ba796}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.knowledge-column{background:#f8faf8;padding:25px;border:1px solid #edf0ed;border-radius:7px}.column-title{display:flex;justify-content:space-between;align-items:center}.column-title h3{margin:0;font-size:20px}.column-title a{color:var(--green)}.knowledge-column>p{font-size:11px;color:#8b958e;margin:9px 0 23px}.text-link{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:13px;padding:12px 0;border-top:1px solid #e6ece7}.text-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-link i{font-style:normal;color:#a8b5ac}.closing{display:flex;justify-content:space-between;align-items:center;background:#eaf4ed;border-radius:7px;padding:34px 40px;margin-bottom:55px;gap:20px}.closing .eyebrow{font-size:9px;letter-spacing:1.7px}.closing h2{font-size:27px;margin:8px 0 0}.closing>a{background:var(--green);color:#fff;padding:13px 25px;font-size:13px;border-radius:4px;white-space:nowrap}.site-footer{background:#f6f8f6;border-top:1px solid #e6ece7}.footer-main{display:flex;justify-content:space-between;align-items:center;padding-top:35px;padding-bottom:35px;gap:25px}.footer-brand{font-size:22px;font-weight:bold}.footer-brand span{display:block;font-size:9px;letter-spacing:3px;color:#8b988d;font-weight:400;margin-top:4px}.footer-main p{font-size:11px;color:#8b958e;margin:11px 0 0}.footer-links{display:flex;gap:24px;font-size:12px;color:#77867a}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #e5eae5;padding-top:16px;padding-bottom:18px;font-size:10px;color:#9aa39c}
/* Shared list, search and article pages. */
.crumb{font-size:12px;color:var(--muted);margin:12px 0 25px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:30px}.grid article{border:1px solid var(--line);padding:25px;border-radius:7px;background:#fcfdfc}.grid article h2{font-size:19px;letter-spacing:0}.grid p{font-size:13px;color:var(--muted);margin-bottom:0}.pages ul{display:flex;list-style:none;gap:8px;padding:0;flex-wrap:wrap}.pages a,.pages span{display:block;padding:7px 12px;border:1px solid var(--line);font-size:13px}.pages .active span{background:var(--green);color:white}.pages{margin:30px 0 50px}.reading{max-width:840px;margin:25px auto 60px}.reading h1{font-size:34px;line-height:1.5}.meta{font-size:12px;color:var(--muted);padding-bottom:23px;border-bottom:1px solid var(--line)}.body{font-size:17px;line-height:1.95;overflow-wrap:anywhere}.body p{margin:1.3em 0}.body img{max-width:100%!important;height:auto!important;border-radius:5px}.body table{max-width:100%;display:block;overflow:auto}main>form{display:flex;gap:10px;max-width:650px;margin:22px 0}main>form input[type=search]{flex:1;min-width:0;border:1px solid #dce6df;border-radius:4px;padding:12px}main>form button{border:0;background:var(--green);color:white;padding:10px 25px;border-radius:4px;cursor:pointer}
@media(min-width:1500px){.hero-photo{height:460px}}
@media(max-width:1000px){.masthead{gap:30px}.header-guide{display:none}.header-search{margin-left:auto}.hero-layout{grid-template-columns:minmax(0,1fr) 280px}.hero-copy{left:28px}.hero-copy h1{font-size:36px}.hero-caption{left:28px}.starter{padding:24px 18px}.space-image{height:200px}.editorial-grid{gap:28px}.journey-title{padding-left:10px}.journey h2{font-size:17px}.knowledge-column{padding:18px}nav{gap:6px}nav a{font-size:13px;padding-left:4px;padding-right:4px}}
@media(max-width:720px){.wrap{padding-left:20px;padding-right:20px}.utility{display:none}.masthead{height:auto;min-height:136px;padding-top:20px;padding-bottom:16px;flex-wrap:wrap;gap:16px}.brand-mark{width:37px;height:40px;font-size:25px}.brand strong{font-size:23px}.brand small{font-size:9px}.header-search{flex-basis:100%;max-width:none}.header-search input{padding:10px 13px}.header-search button{font-size:12px;min-width:65px}nav{gap:0;overflow-x:auto;justify-content:flex-start;scrollbar-width:none}nav::-webkit-scrollbar{display:none}nav a{white-space:nowrap;padding:13px 15px;font-size:13px}nav a:first-child{padding-left:0}main{padding-top:18px}section{margin-bottom:38px}.hero-layout{grid-template-columns:1fr;gap:16px;margin-bottom:20px}.hero-photo{height:380px}.hero-photo>img{object-position:57%}.hero-copy{left:25px;top:35px}.hero-copy h1{font-size:36px;margin:20px 0 15px}.hero-copy p{max-width:230px;font-size:12px}.hero-copy .eyebrow{font-size:8px}.hero-caption{left:25px;font-size:9px;letter-spacing:1px;bottom:20px}.image-note{font-size:8px;right:10px;bottom:19px}.white-button{font-size:12px;padding:11px 16px;gap:30px}.starter{padding:22px}.starter h2{font-size:23px}.starter>a{padding:14px 0}.starter small{font-size:11px}.starter-bottom{font-size:11px}.journey{grid-template-columns:repeat(3,1fr);padding:20px 12px;gap:20px 8px;margin-bottom:38px}.journey-title{grid-column:1/-1;text-align:center;border:0;padding:0}.journey-title>span{display:none}.journey h2{font-size:21px;margin:0}.journey>a:after{display:none}.journey b{font-size:13px}.journey small{font-size:10px}.section-heading{gap:15px;margin-bottom:19px;align-items:center}.section-heading h2{font-size:23px;max-width:270px}.section-heading p{font-size:12px}.section-heading>a{font-size:10px;max-width:66px;white-space:normal}.eyebrow{font-size:8px;letter-spacing:1.5px}.space-grid{grid-template-columns:1fr 1fr;gap:20px 14px}.space-main{grid-column:1/-1}.space-image{height:155px}.space-main .space-image{height:220px}.space-copy{padding-top:10px;gap:3px}.space-copy small{font-size:9px}.space-copy h3{font-size:14px;line-height:1.6}.space-copy>span{display:none}.space-image>span{font-size:8px;left:9px;top:9px;padding:4px 7px}.visual-caption{font-size:9px}.editorial{padding:26px 0}.editorial-grid{grid-template-columns:1fr;gap:25px}.editorial-cover{min-height:280px}.editorial-cover img{object-position:center 57%}.editorial-cover>div{bottom:25px;left:25px}.editorial-cover h3{font-size:28px}.original-list article{gap:13px;padding:17px 0}.original-list h3{font-size:17px}.original-list p{font-size:12px}.knowledge-grid{grid-template-columns:1fr;gap:16px}.knowledge-column{padding:23px}.knowledge-column>p{font-size:12px}.text-link{font-size:14px}.closing{padding:28px 24px;align-items:flex-start;flex-direction:column}.closing h2{font-size:23px}.closing>a{font-size:12px;padding:12px 20px}.footer-main{align-items:flex-start;flex-direction:column;padding-top:28px;padding-bottom:24px}.footer-links{gap:17px;font-size:11px;flex-wrap:wrap}.footer-bottom{gap:12px;font-size:9px;flex-direction:column}.grid{grid-template-columns:1fr;gap:14px}.reading{margin-top:20px}.reading h1{font-size:27px}.body{font-size:16px}.reading+.section{margin-top:30px}main>h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){.space-image img{transition:none}}
/* Portal refinement, 2026-10-18 */
.skip-link{position:absolute;left:20px;top:-70px;z-index:100;background:white;color:var(--deep);padding:12px 20px}.skip-link:focus{top:12px}.category-intro{position:relative;background:#eef5ef;display:flex;justify-content:space-between;align-items:center;overflow:hidden;border-radius:9px;margin-bottom:35px;min-height:220px}.category-intro>div{padding:32px 38px;max-width:720px}.category-intro h1{font-size:34px;margin:8px 0 12px}.category-intro p{font-size:14px;line-height:1.9;color:#758579;margin:0;max-width:570px}.category-intro img{width:32%;height:220px;object-fit:cover;align-self:stretch}.category-image-note{position:absolute;right:14px;bottom:12px;color:#fff;background:#1b362e80;font-size:9px;padding:2px 7px;border-radius:3px}.list-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.list-heading h2{font-size:22px;margin:0}.list-heading>span{font-size:12px;color:var(--muted)}.article-cards article{display:flex;flex-direction:column;background:white;transition:border-color .2s}.article-cards article:hover{border-color:#a7c9b4}.article-cards h2{margin:12px 0;line-height:1.7}.article-cards p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.9}.read-more{font-size:12px;color:var(--green);margin-top:auto;padding-top:23px;display:flex;justify-content:space-between}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:60px;align-items:start}.article-layout .reading{margin:8px 0 52px;width:100%}.article-layout .reading h1{font-size:34px;margin-top:12px}.reading-aside{position:sticky;top:24px;margin-top:10px}.aside-visual{position:relative;display:block;overflow:hidden;border-radius:7px;border:1px solid var(--line)}.aside-visual>img{width:100%;height:205px;object-fit:cover}.aside-visual>span{position:absolute;right:9px;top:178px;font-size:9px;color:white;background:#23352e80;padding:2px 5px}.aside-visual>div{padding:20px;background:#f5f8f5}.aside-visual small{font-size:10px;color:var(--muted)}.aside-visual h3{font-size:18px;margin:7px 0 16px}.aside-visual b{font-size:12px;font-weight:400;color:var(--green)}.aside-links{margin-top:24px;border:1px solid var(--line);border-radius:7px;padding:22px}.aside-links h3{font-size:17px}.aside-links a{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);font-size:13px;padding:12px 0}.aside-links a:last-child{border:0}.aside-links span{color:var(--green)}.article-end{border-top:1px solid var(--line);margin-top:35px;padding-top:22px;font-size:12px;display:flex;justify-content:space-between;gap:15px;color:var(--muted)}.article-end a{color:var(--green)}.body h2{margin:32px 0 15px;font-size:24px}.body h3{margin:26px 0 13px;font-size:20px}.body a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.body blockquote{border-left:3px solid var(--green);margin:24px 0;padding:15px 25px;background:var(--wash)}.body iframe{max-width:100%}.header-search input:focus{background:white}.header-search:focus-within{border-color:var(--green)}.nav-shell nav{scroll-padding-left:20px}.label{color:#21835d}.visual-caption{color:#727d75}.footer-bottom{color:#778279}
@media(max-width:1000px){.article-layout{gap:30px;grid-template-columns:minmax(0,1fr) 240px}.category-intro>div{padding:28px}.article-layout .reading h1{font-size:30px}}
@media(max-width:720px){.category-intro{min-height:0;margin-bottom:28px}.category-intro>div{padding:25px 22px;max-width:none}.category-intro h1{font-size:29px}.category-intro p{font-size:13px}.category-intro img,.category-image-note{display:none}.article-layout{grid-template-columns:1fr;gap:0}.reading-aside{position:static;display:none}.article-layout .reading h1{font-size:27px}.article-end{flex-direction:column}.list-heading h2{font-size:20px}.article-cards h2{font-size:19px}.article-cards p{font-size:13px}.read-more{padding-top:18px}.hero-copy p{max-width:260px}.hero-layout .starter{display:none}.journey{margin-bottom:38px}.hero-photo{height:370px}.hero-copy h1{font-size:35px}.hero-copy{left:23px;top:32px}.hero-caption{font-size:8px;left:23px}.image-note{font-size:7px;right:8px}.body{line-height:1.95}.original-list h3{line-height:1.7}}
@media(prefers-reduced-motion:reduce){.article-cards article{transition:none}}

/* Original article images: center within the reading column, preserve text alignment. */
.reading .original-body img{display:block!important;float:none!important;margin-left:auto!important;margin-right:auto!important;max-width:100%!important;height:auto!important}