/* Reader-first brand, lightweight motion and mobile layouts. */
html{scroll-behavior:auto;scroll-padding-top:0}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;-webkit-text-size-adjust:100%}
body.dark{--bg:#0c0c0d;--paper:#161618;--wash:#202023;--line:#343437;--muted:#b0b0b6;--body-text:#dedee2;--reading-accent:#c8d9ec}
body:not(.dark){--bg:#f6f6f7;--paper:#fff;--wash:#ebebee;--line:#dddde2;--muted:#606068;--body-text:#303037}
.header{background:var(--bg)}.brand{font-size:23px;letter-spacing:-.7px;gap:10px}.brand-symbol{width:37px;height:37px;}.brand small{font-family:inherit;font-size:11px;letter-spacing:1px;font-weight:400}
.hero-arena{min-height:620px;padding:55px 0 60px;overflow:clip}.hero-center{width:min(760px,100%)}.hero-center:before{display:none}.hero-logo{width:82px;height:82px;margin-bottom:22px}.hero-logo img{filter:none;border:0;border-radius:0}.hero-logo:before,.hero-logo:after{display:none}.hero-arena h1{font-size:58px;letter-spacing:-2px;margin:16px 0 22px}.hero-arena h1 span{letter-spacing:-2px}.hero-intro{font-size:23px;font-weight:550;line-height:1.7;margin-bottom:30px}.hero-intro>span{font-size:17px;font-weight:400;margin-top:7px;display:inline-block}.hero-search{border:1px solid var(--muted);border-radius:12px;box-shadow:none;padding:8px 8px 8px 19px;background:var(--paper);gap:12px}.hero-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--line)}.hero-search input{font-size:16px;height:46px;line-height:1.5}.hero-search button{border-radius:7px;height:46px;font-size:15px;padding:0 23px}.hero-shortcuts{font-size:13px;gap:20px}.hero-shortcuts a{min-height:44px;display:inline-flex;align-items:center}.motion-toggle{font-size:12px;min-height:44px;top:0}.arena-baseline{font-family:inherit;font-size:11px;letter-spacing:1px;bottom:15px}
.arena-art *,.arena-art *:before,.arena-art *:after{animation:none!important;box-shadow:none!important;filter:none!important}.arena-lane,.arena-halo,.arena-particles,.arena-outline,.arena-cross,.arena-streak,.arena-coordinate{display:none}.arena-grid{opacity:.18;mask-image:none;background-size:80px 80px}.arena-art:after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse,var(--bg) 35%,transparent 90%)}.arena-orbit{border:1px solid var(--muted);opacity:.3;width:280px;height:280px;border-radius:36px;animation:arena-turn 60s linear infinite!important;z-index:1}.orbit-one{left:-160px;top:140px}.orbit-two{right:-175px;bottom:70px;animation-direction:reverse!important}.arena-orbit:before{border-radius:26px}.motion-paused .arena-art *,.motion-inactive .arena-art *{animation-play-state:paused!important}
.icon-btn,.btn,.field,.filter-btn,.action-primary,.action-secondary,.read-action{border-radius:8px}.icon-btn,.filter-btn{min-height:44px}.story,.pick,.article-body,.tool-card,.recommendation-item,.shutdown-record{border-radius:12px}.story:hover,.tool-card:hover,.btn:hover{transform:none;filter:none}.feature-card:after,.pick:after{display:none}.feature-card h3{max-width:none}.tag{border-radius:5px}.eyebrow{font-family:inherit;font-weight:600;font-size:12px;line-height:1.6;letter-spacing:1px}.article-body{font-size:17px;line-height:1.95}.article-body h2{letter-spacing:0}.article-body p{margin:16px 0 22px}.section-head{flex-wrap:wrap;align-items:center;gap:12px}.section-head .text-link{font-size:14px;min-height:44px;display:inline-flex;align-items:center}.home-explore .feature-card:first-child h3{font-size:28px}.home-explore .feature-card:nth-child(2) h3{font-size:24px}.feature-card p{font-size:15px}.pick .pick-kicker{font-size:12px}.pick .price small{font-size:12px}.action-row{gap:12px}.action-primary,.action-secondary,.read-action{min-height:44px;line-height:1.5}.pick .action-row{flex-direction:row}.pick-links a{flex:1;min-width:0}.reading-rail .toc{max-height:32dvh}.reading-rail{top:100px}.toc a{min-height:44px}.mobile-comparison{display:none}
.search-box{gap:10px;align-items:stretch}.search-box input{font-size:17px;min-width:0;flex:1;padding:13px 16px;border-radius:10px}.search-box .btn{flex:none;white-space:nowrap;padding:12px 22px}.search-results .story{padding:22px;border-radius:10px}.search-results .story-bottom{gap:12px;flex-wrap:wrap;overflow-wrap:anywhere}.search-results .story-bottom>span:first-child:not(.read-action){display:none}.catalog-search{border:1px solid var(--line);border-radius:9px;padding:0 12px;background:var(--paper);max-width:none}.catalog-toolbar .catalog-search input{font-size:16px;min-height:48px}.catalog-controls{gap:14px}.control-set{gap:10px}.control-label{font-size:13px}.segmented{border-radius:8px}.segmented button{min-height:44px;font-size:13px;border-radius:5px}.compare-slot input{font-size:16px;min-height:48px}.compare-options button{font-size:15px;min-height:46px;padding:10px}.compare-actions label{display:flex;align-items:center;min-height:44px;gap:8px}.compare-actions input{width:18px;height:18px}
@media(max-width:850px){
 .wrap{width:calc(100% - 32px)}.header-inner{height:64px;gap:12px}.brand{font-size:20px}.brand-symbol{width:32px;height:32px;}.brand small{display:none}.header-actions{gap:6px}.header-actions .icon-btn{width:40px;min-height:44px;height:44px;font-size:20px}.nav{top:64px;max-height:calc(100dvh - 64px);overflow:auto;padding:12px 16px;z-index:95}.nav a{font-size:16px;min-height:48px;padding:10px 12px}.hero-arena{min-height:530px;padding:48px 0 52px}.hero-logo{width:70px;height:70px;margin-bottom:19px}.hero-logo img{filter:none;border:0;border-radius:0}.hero-arena h1{font-size:44px;margin:12px 0 20px}.hero-intro{font-size:20px;max-width:420px;padding:0;line-height:1.7}.hero-intro>span{font-size:16px;max-width:340px;margin-top:8px}.hero-search{gap:8px;padding:7px 7px 7px 12px;width:100%;border-radius:10px}.hero-search input{font-size:16px;min-width:0;height:44px;width:0}.hero-search button{font-size:15px;padding:0 17px;height:44px;gap:8px}.hero-search>svg{width:18px}.hero-shortcuts{gap:16px;flex-wrap:wrap;margin-top:14px;font-size:13px}.hero-shortcuts>span{display:none}.hero-search button span{display:none}.arena-orbit{width:160px;height:160px;opacity:.23}.orbit-one{left:-125px;top:80px}.orbit-two{right:-130px;bottom:60px}.motion-toggle{font-size:11px;right:0;top:0}.arena-baseline{font-size:10px}.arena-baseline span:nth-child(2){display:none}
 .mobile-toc{top:64px;padding:0 16px;z-index:60;box-shadow:0 2px 0 #00000008}.mobile-toc summary{min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;list-style:none}.mobile-toc summary::-webkit-details-marker{display:none}.mobile-toc summary>span{float:none;font-size:13px;flex:none}.mobile-toc div{max-height:min(45dvh,320px);padding:0 0 12px;overscroll-behavior-y:contain}.mobile-toc div>a{min-height:46px;padding:10px 8px;font-size:15px;align-items:start}.mobile-recommendations{margin-bottom:24px}.recommendations-heading{font-size:17px;gap:10px}.recommendations-heading .note-small{font-size:12px;white-space:nowrap}.recommendation-track{gap:12px;scroll-snap-type:x proximity;scroll-padding-inline:0;padding:0 0 12px;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;touch-action:pan-x pan-y;scrollbar-width:thin;scroll-behavior:auto}.recommendation-item{flex:0 0 min(286px,calc(100vw - 64px));min-width:0;padding:16px;scroll-snap-align:start}.recommendation-name{font-size:20px;line-height:1.5}.recommendation-price{font-size:18px}.recommendation-price small{font-size:12px}.recommendation-item .action-row{gap:10px}.recommendation-item .action-row>a{min-height:44px;font-size:14px;padding:9px 10px}.recommendations .disclosure{font-size:12px;line-height:1.8;margin-top:5px}.recommendation-identity .logo{width:44px;height:44px}.recommendation-rank{font-size:12px}
 .utilities{position:static;flex-direction:row;justify-content:center;padding:20px 16px calc(20px + env(safe-area-inset-bottom));gap:16px;background:var(--bg)}.utilities .icon-btn{width:48px;height:44px;font-size:20px}.article-layout{padding-bottom:32px}.article-body{padding:22px 18px;font-size:16px;line-height:1.9}.article-body h2{font-size:22px;line-height:1.6;scroll-margin-top:130px}.article-body h3{scroll-margin-top:130px}.article-body .section-key{font-size:16px;padding:12px 14px}.article-entry h1{font-size:30px;line-height:1.45}.article-entry .lead{line-height:1.8}.section{padding:30px 0}.section-head h2{font-size:25px}.section-head .text-link{margin-top:0}.entry{padding-top:24px}.entry h1{line-height:1.45}.breadcrumb{font-size:12px;line-height:1.7;margin-bottom:20px}.meta{gap:8px 14px;font-size:12px}.pick{padding:20px;grid-template-columns:minmax(0,1fr) auto;gap:10px}.pick .pick-name{gap:10px}.pick h3{font-size:22px}.pick .logo{width:44px;height:44px}.pick .price{font-size:26px}.pick .price small{font-size:12px;margin-left:0}.pick .pick-links{display:flex;gap:12px;margin-top:4px;padding-top:16px}.pick .pick-links>a{font-size:14px;padding:10px 12px;min-height:46px}.pick p{font-size:15px}.picks{gap:16px}.pick-kicker{gap:8px}.tag{font-size:12px}.feature-grid,.home-explore{grid-template-columns:1fr}.home-explore .feature-card:first-child{grid-column:auto;display:flex;min-height:0}.home-explore .feature-card:first-child .story-bottom{grid-column:auto;grid-row:auto}.home-explore .feature-card:nth-child(2){grid-row:auto}.home-explore .feature-card:nth-child(2) .story-icon{width:42px;height:42px;font-size:22px}.feature-card{padding:22px;min-height:0}.feature-card h3,.home-explore .feature-card:nth-child(2) h3{font-size:21px}.feature-card p,.home-explore .feature-card:nth-child(2) p{font-size:15px}.feature-card .read-action{font-size:14px;min-height:44px}.home-explore .feature-card:first-child h3{font-size:25px}.story-bottom{gap:12px;flex-wrap:wrap}.story-bottom>a{min-height:44px;display:inline-flex;align-items:center}.filter-btn{font-size:14px;display:inline-flex;align-items:center}.filters{gap:10px}.tool-grid{grid-template-columns:1fr}.tool-card{padding:20px}.tool-card .action-row>a{font-size:14px;min-height:46px}.tool-card h3{font-size:22px}.tool-card p{font-size:15px}.tool-card .tool-logo{width:56px;height:56px}.knowledge-jumps{font-size:15px}.knowledge-jumps a{min-height:44px}.knowledge-row .read-action{font-size:14px;min-height:44px}.knowledge-row p{font-size:14px}.pagination{grid-template-columns:1fr;gap:12px}.pagination>a{min-height:64px;font-size:15px;line-height:1.7}.pagination a:last-child{text-align:left}.pagination>span:empty{display:none}.button-row>a{min-height:46px;flex:1 1 140px;font-size:14px}.stat-row{display:grid;grid-template-columns:1fr;gap:10px}.stat{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;min-width:0}.stat b{font-size:23px}.stat small{font-size:13px}
 /* Tables become readable individual cards, with their own field labels. */
 .table-scroll:has(.mobile-data-table){border:0;background:transparent;overflow:visible;border-radius:0}.mobile-data-table,.mobile-data-table tbody{display:block;width:100%}.mobile-data-table thead{display:none}.mobile-data-table tbody tr{display:block;padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:14px}.mobile-data-table tbody tr:hover{background:var(--paper)}.mobile-data-table td{display:block;border:0;padding:9px 0;font-size:15px;overflow-wrap:anywhere}.mobile-data-table td:before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);margin-bottom:3px;font-weight:400}.mobile-data-table td:first-child{padding-top:0;font-size:17px;font-weight:650}.mobile-data-table td:last-child{padding-bottom:0}.mobile-data-table td .note-small{font-size:12px}.article-body .table-scroll{margin:20px 0}.article-body .mobile-data-table tbody tr{background:var(--bg)}
 #airport-table tbody tr{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:18px}#airport-table td:first-child{grid-column:1;align-self:center;padding:0}#airport-table td:first-child:before,#airport-table td:last-child:before{display:none}#airport-table td:nth-child(2){grid-column:2;grid-row:1;text-align:right;align-self:center;padding:0}#airport-table td:nth-child(2) b{font-size:23px;font-weight:750}#airport-table td:nth-child(2) .note-small{display:block;margin:0}#airport-table td:nth-child(3),#airport-table td:nth-child(4){grid-column:1 / -1;display:flex;gap:12px;align-items:baseline;padding:4px 0;font-size:14px}#airport-table td:nth-child(3):before,#airport-table td:nth-child(4):before{flex:0 0 60px;font-size:13px;margin:0}#airport-table td:last-child{grid-column:1 / -1;padding:12px 0 0;border-top:1px solid var(--line);margin-top:3px}.airport-cell{min-width:0;gap:10px}.airport-cell .logo{width:40px;height:40px;flex:none}.airport-cell a{font-size:18px;overflow-wrap:anywhere}.table-actions{display:flex;gap:12px;white-space:normal;flex-wrap:wrap}.table-actions>a{flex:1;min-height:46px;font-size:14px;padding:10px 8px;white-space:normal}.catalog-toolbar{padding:0 0 18px;gap:14px}.catalog-search{flex-basis:100%;max-width:none}.catalog-controls{flex-direction:column;align-items:stretch;gap:12px}.control-set{display:flex;gap:10px;align-items:center}.control-label{flex:0 0 28px}.segmented{display:flex;flex:1;gap:2px;min-width:0}.segmented button{flex:1;min-width:0;padding:7px 8px;font-size:13px;min-height:44px}
 .desktop-comparison{display:none}.mobile-comparison{display:grid;gap:16px}.comparison-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}.comparison-card-heading{display:flex;align-items:center;gap:12px}.comparison-card-heading h3{font-size:21px;margin:0}.comparison-card-heading .logo{width:46px;height:46px}.comparison-facts{margin:18px 0}.comparison-facts>div{display:grid;grid-template-columns:94px minmax(0,1fr);gap:12px;border-top:1px solid var(--line);padding:12px 0}.comparison-facts dt{font-size:13px;color:var(--muted)}.comparison-facts dd{font-size:15px;margin:0;overflow-wrap:anywhere}.comparison-card .action-row>a{font-size:14px;min-height:46px;padding:10px}.compare-controls{grid-template-columns:1fr;gap:14px;padding:16px}.compare-slot label{font-size:13px}.compare-actions{gap:10px;font-size:14px}.compare-actions>label{flex-basis:100%}.compare-actions .btn{padding:10px 12px;min-height:44px;flex:1 1 110px}.compare-options{max-height:230px}.search-box{gap:8px}.search-box input{padding:12px;font-size:16px}.search-box .btn{padding:12px 18px;font-size:15px}.shutdown-list{padding-left:16px;margin-left:4px}.shutdown-record{padding:18px}.shutdown-record:before{left:-26px}.shutdown-record .action-row>a{flex:1 1 130px;min-height:46px}.footer-main{gap:24px}.footer-list{font-size:14px;gap:6px}.footer-list a{min-height:36px;display:inline-flex;align-items:center}.footer-bottom{font-size:12px}
}
@media(max-width:360px){.header-inner{gap:8px}.brand{font-size:18px;gap:7px}.brand-symbol{width:29px;height:29px}.header-actions{gap:4px}.header-actions .icon-btn{width:36px}.hero-arena h1{font-size:40px}.hero-intro{font-size:18px}.hero-intro>span{font-size:15px}.hero-search>svg{display:none}.hero-search button{padding:0 13px}.hero-shortcuts{gap:12px;font-size:12px}.pick .pick-name{gap:8px}.pick h3{font-size:20px}.pick .logo{width:36px;height:36px}.pick .price{font-size:23px}.pick{padding:17px}.recommendation-name{font-size:19px}.recommendation-item .action-row>a{font-size:13px}.airport-cell{gap:8px}.airport-cell a{font-size:17px}.airport-cell .logo{width:32px;height:32px}#airport-table tbody tr{padding:15px;gap:10px}#airport-table td:nth-child(2) b{font-size:21px}.segmented button{padding:6px;font-size:12px}.article-body{padding:20px 16px}.entry h1{font-size:27px}.search-box .btn{padding:10px 14px}.tool-card-heading{gap:12px}}
@media(prefers-reduced-motion:reduce){.arena-art *{animation:none!important}}
.catalog-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--line)}.catalog-search input:focus-visible{outline:none}.recommendation-track:focus-visible{outline:2px solid var(--muted);outline-offset:3px;border-radius:10px}
/* Static homepage: the original open-circle identity and a simple reading layout. */
.brand-symbol,.hero-logo img{border:0;border-radius:0;filter:none}.dark .brand-symbol,.dark .hero-logo img{filter:invert(1)}
.home-hero{padding:60px 0 42px;text-align:center;border-bottom:1px solid var(--line)}.home-hero .hero-center{width:min(720px,100%);margin:auto}.home-hero .hero-logo{width:68px;height:68px;margin:0 auto 14px}.home-hero h1{font-size:48px;line-height:1.2;letter-spacing:-1.8px;margin:0 0 20px;font-weight:750}.home-hero h1 span{margin-left:5px;font-family:Arial,sans-serif;letter-spacing:-1.5px}.home-hero .hero-intro{font-size:20px;font-weight:500;margin-bottom:26px;line-height:1.8}.home-hero .hero-intro>span{font-size:16px;font-weight:400}.home-hero .hero-search{max-width:620px}.home-hero .hero-shortcuts{margin-top:16px;gap:12px;flex-wrap:wrap}.home-hero .hero-shortcuts a{border:1px solid var(--line);border-radius:6px;padding:6px 15px;font-size:13px;min-height:40px}.home-hero .hero-shortcuts>span{display:none}
.home-explore{grid-template-columns:repeat(3,minmax(0,1fr))}.home-explore .feature-card:first-child{grid-column:auto;display:flex;background:var(--paper);color:var(--ink);min-height:0}.home-explore .feature-card:nth-child(2){grid-row:auto;justify-content:start}.home-explore .feature-card:first-child h3,.home-explore .feature-card:nth-child(2) h3{font-size:22px}.home-explore .feature-card:first-child p,.home-explore .feature-card:nth-child(2) p{font-size:15px;color:var(--muted);opacity:1}.home-explore .feature-card:first-child .read-action{background:var(--ink);color:var(--bg)!important;border-color:var(--ink)}.home-explore .feature-card .story-icon{display:none}.home-explore .feature-card .story-bottom{margin-top:auto;align-self:start}.home-explore .feature-card:first-child .tag{color:var(--muted);border-color:var(--line)}
@media(max-width:850px){.home-hero{padding:36px 0 30px}.home-hero .hero-logo{width:56px;height:56px;margin-bottom:12px}.home-hero h1{font-size:38px;margin-bottom:18px}.home-hero .hero-intro{font-size:18px;line-height:1.8;margin-bottom:24px}.home-hero .hero-intro>span{font-size:15px}.home-hero .hero-shortcuts{gap:8px}.home-hero .hero-shortcuts a{padding:6px 11px;font-size:12px;min-height:44px}.home-explore{grid-template-columns:1fr}.home-explore .feature-card:first-child h3,.home-explore .feature-card:nth-child(2) h3{font-size:21px}}