: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;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--body);font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3,strong{overflow-wrap:anywhere}h1,h2,h3{line-height:1.26;color:var(--title)}h1{font-size:clamp(2.25rem,4.2vw,4rem);letter-spacing:-.035em}h2{font-size:clamp(1.45rem,2.4vw,1.85rem)}h3{font-size:1.25rem}small{font-size:.83rem}.wrap{max-width:1290px;padding-inline:32px;margin:auto}.skip{position:absolute;top:-80px;left:10px;background:#fff;color:#111;z-index:99;padding:8px}.skip:focus{top:10px}.top{background:var(--navy);color:#fff;position:relative;z-index:20}.top-inner{height:74px;display:flex;align-items:center;gap:35px}.brand{display:flex;gap:10px;align-items:center;min-width:220px}.logo{width:150px;max-height:46px;object-fit:contain}.brand-letter{display:flex;flex-direction:column;gap:0}.brand-letter b{font-size:1.35rem;letter-spacing:.08em;color:white}.brand-letter small{font-size:.58rem;color:#dce7ed;letter-spacing:.12em}.brand:has(.logo) .brand-letter{display:none}.mainnav{display:flex;align-items:center;gap:6px;margin:auto}.mainnav a,.header-actions a{display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;min-height:44px;border-radius:6px;font-size:.93rem;font-weight:650;color:#ecf2f5}.mainnav a:hover,.mainnav a[aria-current],.header-actions a:hover{background:#30485b}.header-actions{display:flex;align-items:center;gap:4px}.menu-toggle{display:none;background:transparent;border:0;padding:11px;min-width:44px;min-height:44px;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;margin:4px 0;background:white}.subnav{background:#eaf0f1;border-bottom:1px solid var(--border)}.subnav-scroll{display:flex;gap:14px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.subnav a{display:block;flex-shrink:0;padding:10px 8px;font-size:.84rem;color:#2b485a;font-weight:650}.subnav a:hover{color:var(--coral)}.drawer-shade{position:fixed;inset:0;background:#091824aa;z-index:30}.drawer-shade[hidden]{display:none}.drawer{position:fixed;right:0;top:0;bottom:0;z-index:31;background:var(--navy);color:white;width:min(330px,88vw);padding:28px;overflow-y:auto;display:flex;flex-direction:column;gap:4px;transform:translateX(102%);transition:transform .2s;visibility:hidden}.drawer.open{transform:translateX(0);visibility:visible}.drawer a{padding:9px 0;border-bottom:1px solid #ffffff25;min-height:44px}.drawer-close{align-self:flex-end;border:0;background:transparent;color:white;font-size:2rem;min-width:44px;min-height:44px;cursor:pointer}body.menu-open{overflow:hidden}.eyebrow{font-size:.72rem;color:var(--coral);font-weight:800;letter-spacing:.16em;text-transform:uppercase}.section{margin-top:75px;margin-bottom:75px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h2{margin:7px 0 0}.section-heading p{max-width:420px;margin:0;font-size:.93rem;color:var(--muted)}.plain-arrow{color:#8b362b;font-size:.87rem;font-weight:750;display:inline-flex;align-items:center;min-height:44px}.btn{background:var(--coral);color:white;padding:12px 21px;border-radius:6px;min-height:46px;display:inline-flex;align-items:center;gap:20px;font-weight:750}.btn:hover{background:#7d2f25}.btn.secondary{background:white;color:var(--navy);border:1px solid #bbcbd0}.hero{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(280px,1fr);gap:20px;margin-top:28px}.hero-lead{background:var(--navy);border-radius:9px;color:#fff;min-height:365px;position:relative;overflow:hidden}.hero-picture{position:absolute;inset:0;opacity:.34}.hero-picture img{height:100%;width:100%;object-fit:contain;object-position:center}.hero-inner{position:relative;padding:42px;max-width:690px}.hero-inner .eyebrow{color:#ffd2a2}.hero-inner h1{font-size:clamp(2.15rem,3.1vw,3.15rem);line-height:1.23;color:white;margin:18px 0}.hero-inner p{color:#e3ebee;max-width:570px}.hero-aside{border:1px solid var(--border);border-radius:9px;padding:23px;background:white}.mini-head{display:flex;justify-content:space-between;border-bottom:2px solid var(--navy);padding-bottom:10px;gap:12px}.mini-head span{font-weight:800;color:var(--navy)}.mini-head small{color:var(--muted)}.lead-link{display:flex;gap:18px;border-bottom:1px solid var(--border);padding:13px 0}.lead-link em{font-size:1.4rem;font-style:normal;font-weight:800;color:#a74637}.lead-link span{display:flex;flex-direction:column}.lead-link strong{color:var(--title);font-size:.95rem;line-height:1.4}.lead-link small{color:var(--muted);margin-top:4px}.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.channel{background:#fff;border:1px solid var(--border);border-radius:6px;padding:22px;min-height:155px;display:flex;flex-direction:column}.channel:nth-child(4n+2){border-top:3px solid var(--purple)}.channel:nth-child(4n+3){border-top:3px solid var(--mint)}.channel:nth-child(4n+1){border-top:3px solid var(--coral)}.channel:nth-child(4n){border-top:3px solid var(--blue)}.channel-top{font-size:.72rem;color:var(--muted);display:flex;justify-content:space-between}.channel strong{font-size:1.22rem;margin:16px 0 4px;color:var(--navy)}.channel small{color:var(--muted);line-height:1.5}.channel:hover,.editor-tile:hover,.topic-row:hover,.feature-band:hover{border-color:#a7bbc2;transform:translateY(-2px)}.editor-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}.editor-tile{padding:18px;background:#fff;border:1px solid var(--border);border-radius:8px;display:flex;flex-direction:column;transition:transform .15s}.editor-art{height:170px;background:linear-gradient(115deg,#d6e0e3,#eff0ed);display:block;margin-bottom:17px;overflow:hidden}.editor-art:empty{background:linear-gradient(125deg,#dce9eb,#e9e3da)}.editor-art img{width:100%;height:100%;object-fit:contain}.editor-tile strong{color:var(--title);font-size:1.2rem;margin:9px 0}.editor-tile small{color:var(--muted)}.split-section{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(270px,1fr);gap:25px}.timeline{border-left:2px solid #c8d7dc;margin-left:14px;padding-left:29px}.timeline>a{display:block;position:relative;border-bottom:1px solid var(--border);padding:15px 0}.timeline>a:before,.radar-event:before{content:"";position:absolute;border:3px solid var(--paper);background:var(--coral);width:13px;height:13px;border-radius:50%;left:-38px;top:24px}.timeline>a>span,.radar-index{font-size:.75rem;font-weight:750;color:var(--coral)}.timeline strong{display:block;font-size:1.12rem;color:var(--title)}.timeline p{margin:6px 0 0;color:var(--muted);font-size:.9rem}.paper-panel{background:#e6ecef;border-top:5px solid var(--navy);padding:34px;align-self:start}.paper-panel h3{margin:15px 0}.stripe{display:grid;grid-template-columns:1fr 1.7fr;gap:34px;border-top:1px solid #c7d3d7;padding-top:35px}.stripe-1{grid-template-columns:1.7fr 1fr}.stripe-1 .stripe-intro{order:2}.stripe-intro p{max-width:380px;color:var(--muted)}.stripe-content{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:16px}.stripe-primary{display:flex;flex-direction:column;justify-content:end;padding:28px;min-height:225px;background:#e1e9ea;border-radius:6px}.stripe-1 .stripe-primary{background:#f4e9e0}.stripe-primary strong{font-size:1.35rem;color:var(--navy);line-height:1.4;margin:10px 0}.stripe-primary p{font-size:.88rem;margin:0}.stripe-mini{display:flex;flex-direction:column;gap:12px}.stripe-mini a{background:#fff;border:1px solid var(--border);flex:1;padding:17px}.stripe-mini span{display:block;color:var(--coral);font-size:.75rem}.stripe-mini b{font-size:.96rem;color:var(--title);display:block;margin-top:8px}.feature-shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.feature-shelf>a{background:var(--navy);color:white;border-radius:6px;padding:22px;min-height:215px;display:flex;flex-direction:column}.feature-shelf>a:nth-child(2){background:#31536a}.feature-shelf>a:nth-child(3){background:#675980}.feature-shelf>a:nth-child(4){background:#416b62}.feature-shelf .eyebrow{color:#ffd5af}.feature-shelf strong{font-size:1.15rem;margin:12px 0}.feature-shelf small{color:#f1f4f4}.feature-shelf .plain-arrow{margin-top:auto;color:#fff}.conclusion{background:#e7ecef;border-left:5px solid var(--coral);padding:34px;display:flex;justify-content:space-between;align-items:center;gap:30px}.conclusion p{max-width:760px;margin:0}.conclusion>div:last-child{display:flex;gap:10px;flex-wrap:wrap}.page-title{padding-top:52px;padding-bottom:40px}.page-title h1{margin:12px 0}.page-title p{max-width:850px;font-size:1.12rem;color:var(--muted)}.radar-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:55px}.radar-note,.side-info{background:white;border:1px solid var(--border);border-top:4px solid var(--coral);padding:24px;align-self:start}.radar-note ol{padding-left:20px}.radar-note li{margin-bottom:12px}.radar-note p,.side-info p{font-size:.91rem;color:var(--muted)}.radar-main h2{margin-bottom:30px}.radar-event{position:relative;border-bottom:1px solid var(--border);padding:0 0 30px;margin-bottom:32px}.radar-event:before{left:-38px;top:4px}.radar-event h3{margin:9px 0}.radar-event p{max-width:800px}.source-notes{display:flex;flex-wrap:wrap;gap:8px}.source-notes span{border:1px solid var(--border);background:#fff;color:#526371;border-radius:3px;font-size:.75rem;padding:4px 8px}.radar-related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.board-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.board-cards a{display:flex;flex-direction:column;gap:7px;border:1px solid var(--border);background:#fff;padding:17px;border-radius:5px;min-height:125px}.board-cards a[aria-current]{background:#e5ecef;border-color:var(--blue)}.board-cards span{font-size:.72rem;color:var(--muted)}.board-cards strong{color:var(--title);font-size:1.1rem}.board-cards small{color:var(--muted)}.board-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:33px;align-items:start}.filter-chips{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 24px}.filter-chips a{border:1px solid var(--border);background:#fff;padding:8px 13px;min-height:44px;border-radius:5px;font-size:.84rem}.filter-chips a[aria-current]{color:white;background:var(--navy)}.topic-list{display:flex;flex-direction:column;gap:9px}.topic-row{background:#fff;border:1px solid var(--border);padding:18px 22px;display:flex;flex-direction:column;gap:5px;transition:transform .15s;border-radius:5px}.topic-overline{font-size:.74rem;color:#8b362b;font-weight:750}.topic-row strong{font-size:1.1rem;color:var(--title);line-height:1.4}.topic-intro{font-size:.9rem;color:var(--muted)}.topic-more{color:#8b362b;font-size:.8rem;font-weight:750}.pages{display:flex;gap:7px;flex-wrap:wrap;margin-top:25px}.pages a{min-width:44px;min-height:44px;display:grid;place-items:center;background:white;border:1px solid var(--border);border-radius:3px}.pages a[aria-current]{background:var(--navy);color:white}.crumbs{padding-top:22px;color:var(--muted);font-size:.84rem}.crumbs a{color:var(--blue)}.thread-layout{display:grid;grid-template-columns:minmax(0,790px) minmax(230px,1fr);gap:42px;padding-top:38px}.thread-article{min-width:0}.thread-heading{border-bottom:1px solid var(--border);padding-bottom:26px}.thread-heading h1{font-size:clamp(2rem,3.1vw,3.15rem);margin:17px 0}.thread-heading>p{font-size:1.14rem;color:var(--muted)}.thread-meta{display:flex;flex-wrap:wrap;gap:10px}.thread-meta span{background:#e4eaec;padding:3px 9px;font-size:.76rem;color:#3e515e}.thread-cover img{max-height:380px;object-fit:contain;margin:25px auto}.thread-content{background:white;border:1px solid var(--border);padding:32px 38px;margin:20px 0;font-size:1.065rem;line-height:1.85}.thread-content p:last-child{margin-bottom:0}.discussion{background:#e5edec;padding:28px 35px;margin:30px 0}.discussion h2{margin:8px 0}.discussion li{margin:11px 0}.sources{padding:25px 0;border-top:1px solid var(--border);color:var(--muted);font-size:.92rem}.sources a{text-decoration:underline;color:var(--blue)}.thread-side h3{margin-top:28px}.thread-side .topic-row{margin-bottom:10px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.feature-detail-hero{background:var(--navy);border-radius:7px;color:white;min-height:290px;padding:40px;display:grid;grid-template-columns:1.4fr 1fr;gap:25px}.feature-detail-hero h1{color:white;margin:14px 0}.feature-detail-hero h2{color:#e8f1f3;font-size:1.15rem}.feature-detail-hero .eyebrow{color:#f4c19f}.feature-art{min-height:200px;background:#ffffff18;display:flex;align-items:center;justify-content:center}.feature-art img{max-height:260px;object-fit:contain}.feature-body{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:45px;margin-top:45px}.feature-body>div:first-child{background:white;border:1px solid var(--border);padding:35px 42px;font-size:1.07rem;line-height:1.88}.feature-body 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var(--border);scroll-margin-top:20px}.about-content section h2{margin:12px 0}.about-content section p{max-width:790px}.notfound{padding-top:110px;padding-bottom:140px}.notfound p{max-width:620px}.site-footer{background:var(--navy-strong);color:#e0e9ed;margin-top:70px;padding:45px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:45px}.footer-grid strong{font-size:1.45rem}.footer-grid p{color:#cbd7dd;font-size:.88rem;max-width:440px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:start}.footer-grid a{font-size:.86rem;padding:4px 0;min-height:32px}.footer-bottom{border-top:1px solid #ffffff2d;padding-top:17px;font-size:.78rem;color:#b9c9d1}
@media(max-width:1050px){.wrap{padding-inline:25px}.mainnav{gap:0}.brand{min-width:170px}.top-inner{gap:10px}.hero{grid-template-columns:1.6fr 1fr}.hero-inner{padding:29px}.feature-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.stripe,.stripe-1{grid-template-columns:1fr 1.4fr}.stripe-content{grid-template-columns:1fr}.stripe-mini{flex-direction:row}.stripe-mini a{min-width:0}.board-layout,.thread-layout{gap:22px}}
@media(max-width:800px){.wrap{padding-inline:19px}.mainnav,.about-short,.search-short span{display:none!important}.top-inner{justify-content:space-between;height:68px}.brand{min-width:auto}.menu-toggle{display:block}.hero{grid-template-columns:1fr}.hero-lead{min-height:310px}.hero-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.mini-head,.hero-aside>.plain-arrow{grid-column:1/-1}.lead-link{border-bottom:1px solid var(--border)}.channel-grid,.board-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.editor-grid{grid-template-columns:1fr 1fr}.editor-tile:last-child{grid-column:1/-1}.split-section,.radar-shell,.board-layout,.thread-layout,.feature-body,.about-grid{grid-template-columns:1fr}.radar-note{position:static}.stripe,.stripe-1{grid-template-columns:1fr}.stripe-1 .stripe-intro{order:0}.stripe-content{grid-template-columns:1.25fr 1fr}.stripe-mini{flex-direction:column}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.thread-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.thread-side>h3{grid-column:1/-1}.thread-side .side-info{grid-column:1/-1}.about-nav{position:static;display:flex;flex-direction:row;flex-wrap:wrap}.footer-grid{grid-template-columns:1.6fr 1fr;gap:20px}.footer-grid>div:last-child{grid-column:1/-1}.conclusion{align-items:start;flex-direction:column}.section{margin-top:55px;margin-bottom:55px}}
@media(max-width:520px){.wrap{padding-inline:16px}.hero{margin-top:16px}.hero-inner{padding:26px 21px}.hero-inner h1{font-size:2.1rem}.hero-aside{display:block}.channel-grid,.board-cards{gap:9px}.channel{padding:14px;min-height:150px}.channel strong{font-size:1.06rem}.channel-top{font-size:.66rem}.editor-grid,.feature-shelf,.radar-related,.related-grid,.feature-thread-list{grid-template-columns:1fr}.editor-tile:last-child{grid-column:auto}.section-heading{align-items:start;flex-direction:column}.stripe-content{grid-template-columns:1fr}.stripe-mini{flex-direction:row}.stripe-mini a{padding:12px}.stripe-mini b{font-size:.86rem}.feature-detail-hero{grid-template-columns:1fr;padding:27px 22px}.feature-art{min-height:120px}.feature-body>div:first-child,.thread-content{padding:25px 20px}.thread-side{display:block}.feature-band{grid-template-columns:38px 1fr 22px;gap:12px;padding:20px 14px}.feature-number{font-size:1.7rem}.feature-band-arrow{font-size:1.3rem}.search-form button{padding:10px 15px}.conclusion{padding:24px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.page-title{padding-top:32px;padding-bottom:20px}h1{font-size:2.3rem}.thread-heading h1{font-size:2rem}}
@media(max-width:359px){.stripe-mini{flex-direction:column}.channel{padding:11px}.channel-top{letter-spacing:-.02em}.top-inner{gap:5px}.brand-letter b{font-size:1.15rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

.channel-image{width:100%;height:70px;object-fit:contain;margin-top:8px}.board-card-image{width:100%;height:85px;object-fit:contain}.editor-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:800px){.editor-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editor-tile:last-child{grid-column:auto}}@media(max-width:520px){.editor-grid{grid-template-columns:1fr}}