:root{--navy:#1B3041;--navy-strong:#132533;--blue:#315E7A;--coral:#A84332;--coral-soft:#FBE8E2;--sand:#E2BF82;--purple:#7865A2;--mint:#4D8A78;--paper:#F6F7F5;--white:#fff;--surface:#F0F3F4;--title:#1C2933;--body:#354453;--muted:#526371;--border:#DCE3E5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font:16px/1.76 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--coral)}button,input{font:inherit}button,a,input{outline-offset:3px}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.27;color:var(--title);letter-spacing:-.025em}h1{font-size:clamp(34px,4.2vw,55px)}h2{font-size:clamp(23px,2.4vw,30px)}h3{font-size:18px}p{margin-bottom:1.1em}.wrap{max-width:1290px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto}.section{padding-top:76px;padding-bottom:76px}.skip{position:absolute;top:-90px;left:10px;z-index:100;background:#fff;padding:12px}.skip:focus{top:8px}.site-header{position:relative;z-index:10;background:var(--navy-strong);color:#fff}.topbar{height:75px;max-width:1290px;margin:auto;padding:0 32px;display:flex;align-items:center;gap:35px}.brand{display:flex;align-items:center;gap:10px;font-size:26px;line-height:1.2;font-weight:850;white-space:nowrap;color:#fff}.brand:hover,.desktop-nav a:hover{color:white}.brand small{display:block;font-size:10px;font-weight:500;color:#d9e3e9;letter-spacing:.1em;margin-top:3px}.brand-accent,.footer-brand span{color:#F4BBA9}.brand-logo{max-width:105px;max-height:46px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(16px,2.4vw,35px);margin-left:auto}.desktop-nav a{font-size:15px;color:#e7edf0;padding:22px 0;white-space:nowrap}.desktop-nav a[aria-current=page]{color:#f4bba9;border-bottom:2px solid #f4bba9}.header-actions{display:flex;align-items:center;gap:10px}.header-actions>a{color:#fff;font-size:14px;padding:9px 12px;white-space:nowrap}.search-btn{border:1px solid #536776;border-radius:25px}.menu-toggle{display:none;background:none;border:1px solid #8296a2;border-radius:8px;color:white;min-width:44px;min-height:44px;font-size:24px}.category-scroll{background:#223a4b;border-top:1px solid #3e5360;overflow-x:auto;scrollbar-width:thin}.category-links{max-width:1290px;margin:auto;padding:0 32px;display:flex;gap:32px;white-space:nowrap}.category-links a{color:#dfe8ec;padding:11px 0;font-size:13px}.category-links a:hover{color:#fff}.mobile-menu,.navshade{display:none}.kicker,.eyebrow,.mini-label{font-size:12px;font-weight:800;letter-spacing:.115em;color:var(--blue)}.eyebrow{letter-spacing:.04em}.eyebrow span{color:#a6b0b9}.eyebrow.light{color:#f7bcaa}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:26px}.section-heading h2{margin:6px 0 0}.section-heading a,.subtle-link{font-size:14px;color:var(--coral);font-weight:700}.section-heading p{margin:6px 0 0;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border-radius:7px;font-size:14px;font-weight:750;transition:transform .15s}.button:hover{transform:translateY(-1px)}.button.coral{background:var(--coral);color:#fff}.button.navy-button{background:var(--navy);color:#fff}.button.outline{border:1px solid #9daeb7;color:var(--navy);background:white}.hero{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.68fr);gap:14px;padding-top:32px}.hero-main{min-height:370px;background:var(--navy);border-radius:12px;padding:48px;position:relative;overflow:hidden;isolation:isolate}.hero-main h1{color:white;max-width:620px;margin:26px 0 17px;font-size:clamp(36px,3.8vw,51px)}.hero-main p{color:#e4ecf0;max-width:530px;font-size:16px;line-height:1.8}.hero-main .button{margin-top:10px}.hero-art{position:absolute;right:-100px;bottom:-140px;width:48%;height:100%;border:1px solid #ffffff1d;border-radius:50%;background:radial-gradient(circle at 40% 40%,#587d8d77,transparent 55%),radial-gradient(circle at 80% 80%,#cb776555,transparent 70%);pointer-events:none;z-index:-1}.hero-art img{width:100%;height:100%;object-fit:cover;border-radius:50%;opacity:.42}.hero-side{background:#fff;border:1px solid var(--border);border-radius:12px;padding:30px}.mini-label{color:var(--coral)}.lead-item{display:block;padding:22px 0;border-bottom:1px solid var(--border)}.lead-item:last-child{border:0}.lead-item>span{color:var(--coral);font-weight:850;font-size:13px;margin-right:9px}.lead-item strong{display:inline;font-size:18px;line-height:1.5;color:var(--title)}.lead-item small{display:block;color:var(--muted);margin-top:7px}.board-gateway{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.board-gateway a{padding:21px 21px 24px;background:white;border:1px solid var(--border);border-radius:9px;min-height:142px;display:flex;flex-direction:column}.gateway-mark{font-size:12px;color:var(--coral);margin-bottom:11px}.board-gateway strong{font-size:17px;color:var(--title)}.board-gateway small{font-size:12px;line-height:1.65;color:var(--muted);margin-top:8px}.editor-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.topic-card{background:white;border:1px solid var(--border);border-radius:10px;overflow:hidden;min-width:0}.card-media{height:160px;display:block;position:relative;background:linear-gradient(130deg,#dce7eb,#f7e4dc);overflow:hidden}.card-media img{width:100%;height:100%;object-fit:contain}.card-media:has(img){background:#e9edf0}.media-fallback{position:absolute;bottom:14px;left:16px;font-weight:750;color:#3b5865;font-size:13px}.card-media:has(img) .media-fallback{display:none}.topic-copy{padding:18px}.topic-copy h3{margin:8px 0 10px;font-size:18px;line-height:1.5}.topic-copy p{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 12px}.tinted{background:#eaf0f0}.timeline-short{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.timeline-short a{display:flex;flex-direction:column;gap:10px;border-top:2px solid #74909a;padding:24px 8px 0;position:relative}.timeline-dot{position:absolute;top:-7px;background:var(--coral);width:12px;height:12px;border-radius:50%;border:2px solid #eaf0f0}.timeline-short strong{color:var(--title);font-size:17px;line-height:1.4}.timeline-short small{color:var(--muted);font-size:13px;line-height:1.8}.split-feature{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.split-feature-main .card-media{height:290px}.compact-stack{display:grid;gap:12px}.topic-card.compact{display:grid;grid-template-columns:145px 1fr;min-height:130px}.topic-card.compact .card-media{height:100%;min-height:125px}.topic-card.compact .topic-copy{padding:14px 17px}.topic-card.compact h3{font-size:16px;margin:5px 0}.topic-card.compact p{font-size:12px;margin-bottom:4px}.topic-card.compact .subtle-link{display:none}.triple-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.triple-grid .card-media{height:205px}.wide-navy{background:var(--navy)}.on-dark h2,.on-dark a{color:white}.on-dark .kicker{color:#f4bba9}.dark-strips{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.dark-strips a{background:#28475a;border-radius:8px;padding:27px}.dark-strips span{font-size:12px;color:#f6c39d}.dark-strips h3{font-size:21px;color:white;margin:16px 0}.dark-strips p{font-size:14px;color:#e1e9eb;margin:0}.two-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.topic-card.horizontal{display:grid;grid-template-columns:40% 1fr}.topic-card.horizontal .card-media{height:100%;min-height:215px}.number-list{border-top:1px solid var(--border)}.number-list a{display:grid;grid-template-columns:65px 1fr 1.3fr;align-items:center;gap:20px;padding:23px 4px;border-bottom:1px solid var(--border)}.number-list span{color:var(--coral);font-weight:800}.number-list strong{font-size:18px;color:var(--title)}.number-list small{font-size:13px;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-tile{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;min-height:238px}.feature-tile img{width:100%;height:140px;object-fit:contain;margin-bottom:12px}.feature-tile small{color:var(--coral);font-size:12px;margin-bottom:15px}.feature-tile strong{color:var(--title);font-size:20px;margin-bottom:7px}.feature-tile span{color:var(--muted);font-size:13px}.end-explore{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--border)}.end-explore .button{margin:5px}.site-footer{background:#142a39;color:#e5edf1;padding:55px max(24px,calc((100vw - 1226px)/2)) 20px}.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr;gap:45px}.footer-grid p{font-size:14px;max-width:440px;color:#c5d4dc}.footer-brand{font-size:28px;font-weight:850}.footer-grid strong{display:block;margin:8px 0 15px;color:white}.footer-grid a{display:block;font-size:14px;color:#d5e2e8;margin:9px 0}.footer-bottom{border-top:1px solid #3d5260;margin-top:35px;padding-top:17px;font-size:12px;color:#b9c9d2}.page-lead{padding-top:66px;padding-bottom:45px}.page-lead h1{margin:13px 0}.page-lead p{max-width:780px;color:var(--muted);font-size:17px}.radar-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.75fr);gap:36px;padding-bottom:90px}.radar-timeline{border-left:2px solid #a6bac2;margin:30px 0 40px 20px}.radar-timeline article{display:flex;gap:23px;padding:0 0 32px;position:relative;margin-left:-21px}.radar-index{display:grid;place-items:center;width:41px;height:41px;flex:none;background:var(--navy);color:#fff;border-radius:50%;font-size:12px;font-weight:800}.radar-timeline h3{margin:3px 0 8px}.radar-timeline p{max-width:640px;color:var(--muted)}.surface-panel{background:white;border:1px solid var(--border);padding:32px;border-radius:10px}.surface-panel h2{margin:11px 0 19px}.surface-panel p{font-size:15px}.radar-aside{background:white;border:1px solid var(--border);border-radius:10px;padding:25px;height:fit-content}.radar-aside a{display:block;padding:16px 0;border-bottom:1px solid var(--border)}.radar-aside a:last-child{border:0}.radar-aside small,.radar-aside span{display:block;font-size:12px;color:var(--muted)}.radar-aside strong{display:block;font-size:16px;color:var(--title);margin:4px 0}.board-directory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.board-tile{background:white;min-height:190px;border:1px solid var(--border);border-radius:10px;overflow:hidden}.board-tile.selected{border:2px solid var(--coral)}.board-tile>img{width:100%;height:100px;object-fit:contain;background:#e9f0f2}.board-tile>div{padding:14px 19px}.board-tile span,.board-tile small{display:block;font-size:12px;color:var(--muted)}.board-tile strong{display:block;font-size:18px;color:var(--title);margin:4px 0}.list-header{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}.list-header h2{margin:5px 0}.list-header p{max-width:750px;margin:0;color:var(--muted)}.count-label{white-space:nowrap;font-size:13px;color:var(--muted)}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.filter-row a,.filter-row span{font-size:12px;padding:7px 12px;border:1px solid var(--border);background:white;border-radius:25px}.filter-row a[aria-current=page]{background:var(--navy);color:white}.list-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;margin-top:25px}.topic-list{display:grid;gap:12px}.topic-list .topic-card.compact{grid-template-columns:180px 1fr}.topic-list .topic-card.compact .topic-copy{padding:22px}.topic-list .topic-card.compact h3{font-size:20px}.topic-list .topic-card.compact p{font-size:14px}.sidebar-note,.side-card{padding:26px;background:#e7eeef;border-radius:10px;height:fit-content}.sidebar-note p,.side-card p{font-size:14px}.sidebar-note a,.side-card a{font-size:14px;color:var(--coral);font-weight:750}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0}.pagination a{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--border);background:white;border-radius:7px}.pagination a[aria-current=page]{color:white;background:var(--navy)}.breadcrumb{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:34px;margin-bottom:22px}.thread-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:34px;padding-bottom:90px}.reading-paper{background:#fff;border:1px solid var(--border);padding:clamp(22px,4vw,54px);border-radius:10px;min-width:0}.thread-meta{display:flex;align-items:center;flex-wrap:wrap;gap:13px;font-size:12px;color:var(--muted);margin-bottom:19px}.pill{padding:4px 12px;border-radius:20px}.coral-pill{color:#8b3225;background:var(--coral-soft)}.reading-paper h1{font-size:clamp(30px,3.4vw,43px);margin-bottom:20px}.article-deck{font-size:18px;color:var(--muted);line-height:1.8}.thread-cover img{margin:25px 0;width:100%;max-height:360px;object-fit:contain;background:#ecf0f1;border-radius:8px}.reading-body{margin-top:40px}.reading-body p{font-size:17px;line-height:1.9;margin-bottom:25px}.discussion-box{margin-top:45px;padding:28px;background:#edf3f3;border-left:4px solid var(--mint)}.discussion-box h2{font-size:24px;margin:10px 0}.discussion-box li{padding:6px 0}.discussion-box p{font-size:13px;color:var(--muted);margin:15px 0 0}.source-note{padding-top:35px}.source-note h2{font-size:21px}.source-note p{font-size:14px;color:var(--muted)}.source-note a{color:var(--coral);text-decoration:underline}.article-tags{display:flex;gap:12px;flex-wrap:wrap;color:var(--blue);font-size:13px}.thread-side{align-self:start}.thread-side h3{margin-top:32px}.related-link{display:block;padding:15px 0;border-bottom:1px solid var(--border)}.related-link small{display:block;color:var(--muted)}.related-link strong{color:var(--title);font-size:15px}.feature-index{display:grid;gap:20px}.feature-row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);background:white;border:1px solid var(--border);border-radius:10px;overflow:hidden}.feature-visual{min-height:245px;background:linear-gradient(125deg,#dfe6e8,#f6e6db)}.feature-visual img{width:100%;height:100%;max-height:330px;object-fit:contain}.feature-row>div:last-child{padding:35px}.feature-row h2{margin:10px 0}.feature-row h3{color:var(--blue)}.feature-row p{font-size:14px;color:var(--muted)}.feature-cover{background:#e8eff0;padding:40px 0}.feature-intro h1{margin:24px 0 10px}.feature-intro h2{color:var(--blue);font-size:24px}.feature-intro>a{font-size:13px;color:var(--coral)}.feature-intro>.kicker{display:block;margin-top:35px}.feature-image img{margin:24px 0 0;max-height:350px;width:100%;object-fit:contain}.feature-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;padding-top:60px;padding-bottom:80px}.feature-body .reading-paper{height:fit-content}.feature-body .reading-paper p{font-size:17px;line-height:1.9}.feature-body .topic-list .topic-card.compact{grid-template-columns:105px 1fr}.feature-body .topic-list .topic-card h3{font-size:15px}.feature-body .topic-list .topic-card p{font-size:12px}.feature-body .topic-list .topic-copy{padding:13px}.search-area{padding-bottom:100px}.search-form{background:white;border:1px solid var(--border);padding:32px;border-radius:12px;max-width:920px}.search-form>label{display:block;margin-bottom:10px;font-weight:800}.search-form>div{display:flex;gap:10px}.search-form input[type=search]{width:100%;min-width:0;border:1px solid #91a7b3;border-radius:6px;padding:10px 14px;min-height:48px}.search-form button{padding:10px 24px;border:0;background:var(--coral);color:white;border-radius:6px;white-space:nowrap}.search-form fieldset{border:0;padding:14px 0 0;display:flex;gap:22px;flex-wrap:wrap}.search-form fieldset legend{position:absolute;width:1px;height:1px;overflow:hidden}.search-form fieldset label{font-size:14px;white-space:nowrap}.search-form fieldset input{accent-color:var(--coral);margin-right:6px}.empty-state{padding:65px 20px;color:var(--muted)}.search-results{display:grid;gap:12px;max-width:950px}.result-feature{padding:25px;background:white;border:1px solid var(--border);border-radius:8px}.result-feature>*{display:block}.result-feature small{color:var(--coral)}.result-feature strong{font-size:21px;color:var(--title)}.about-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:50px;padding-bottom:100px}.about-index{position:sticky;top:18px;height:fit-content;background:white;border:1px solid var(--border);padding:18px;border-radius:10px}.about-index a{display:block;padding:10px 8px;font-size:14px}.about-body{display:grid;gap:22px}.about-body section{background:white;padding:35px;border:1px solid var(--border);border-radius:10px;scroll-margin-top:20px}.about-body h2{margin:8px 0 17px}.about-body p{line-height:1.9}.notfound{min-height:60vh;text-align:center;padding-top:85px;padding-bottom:100px}.notfound>span{font-size:100px;line-height:1;color:var(--coral);font-weight:900}.notfound p{color:var(--muted)}.notfound .button{margin:8px}@media(max-width:1100px){.desktop-nav{gap:15px}.topbar{gap:15px}.header-actions .about-btn{display:none}.editor-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.board-gateway,.board-directory{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-body{grid-template-columns:1fr}.site-footer{padding-left:32px;padding-right:32px}}@media(max-width:800px){.topbar{height:68px;padding:0 18px}.desktop-nav{display:none}.header-actions{margin-left:auto}.menu-toggle{display:block}.mobile-menu{display:flex;position:absolute;right:0;top:0;width:min(330px,88vw);padding:75px 24px 28px;background:#173247;min-height:100vh;flex-direction:column;gap:7px;z-index:30;box-shadow:-20px 0 45px #0003}.mobile-menu[hidden],.navshade[hidden]{display:none}.mobile-menu a{color:white;border-bottom:1px solid #486273;padding:13px}.menu-close{position:absolute;right:20px;top:16px;background:transparent;color:white;border:0;font-size:30px;min-width:44px;min-height:44px}.navshade{display:block;position:fixed;inset:0;background:#061723ad;z-index:20}.category-links{padding:0 18px;gap:24px}.wrap{padding-left:18px;padding-right:18px}.section{padding-top:50px;padding-bottom:50px}.hero{grid-template-columns:1fr}.hero-side{padding:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.hero-side .mini-label{grid-column:1/-1}.lead-item{padding:0 0 10px;border-bottom:0;border-right:1px solid var(--border);padding-right:10px}.lead-item:last-child{border:0}.hero-main{min-height:340px;padding:34px}.timeline-short{grid-template-columns:repeat(2,1fr);gap:24px}.split-feature{grid-template-columns:1fr}.triple-grid,.dark-strips{grid-template-columns:repeat(2,1fr)}.thread-layout,.radar-layout,.list-layout{grid-template-columns:1fr}.thread-side{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.thread-side>h3{grid-column:1/-1}.topic-list .topic-card.compact{grid-template-columns:150px 1fr}.about-layout{grid-template-columns:1fr}.about-index{position:static;display:flex;overflow-x:auto;white-space:nowrap;gap:12px}.about-index a{flex:none}.feature-row{grid-template-columns:1fr}.feature-visual{min-height:170px;max-height:230px}}@media(max-width:520px){body{font-size:15px}.topbar{padding:0 16px}.brand{font-size:24px}.header-actions .search-btn span{display:none}.header-actions>a{padding:8px 11px}.hero-main{padding:26px;min-height:332px}.hero-main h1{font-size:35px}.hero-main p{font-size:14px}.hero-side{grid-template-columns:1fr}.lead-item{border:0;border-bottom:1px solid var(--border);padding:5px 0 12px}.section-heading{align-items:start}.section-heading a{font-size:12px}.board-gateway,.board-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.board-gateway a{padding:13px;min-height:132px}.board-gateway strong{font-size:15px}.editor-grid,.feature-grid,.triple-grid,.dark-strips,.two-column,.timeline-short{grid-template-columns:1fr}.topic-card.horizontal{grid-template-columns:1fr}.topic-card.horizontal .card-media{height:190px;min-height:0}.topic-card.compact,.topic-list .topic-card.compact,.feature-body .topic-list .topic-card.compact{grid-template-columns:105px minmax(0,1fr)}.topic-card.compact .topic-copy,.topic-list .topic-card.compact .topic-copy{padding:12px}.topic-card.compact h3,.topic-list .topic-card.compact h3{font-size:15px}.topic-card.compact p,.topic-list .topic-card.compact p{display:none}.topic-card.compact .card-media{min-height:105px}.number-list a{grid-template-columns:35px 1fr;gap:8px}.number-list small{grid-column:2}.end-explore{display:block}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:1/-1}.site-footer{padding:42px 18px 22px}.page-lead{padding-top:45px;padding-bottom:25px}.reading-paper{padding:22px}.thread-side{grid-template-columns:1fr}.thread-side>h3{grid-column:auto}.feature-row>div:last-child{padding:23px}.search-form{padding:19px}.about-body section{padding:23px}.list-header{align-items:start}.list-header .count-label{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
