:root{
  --primary:#4A9BD4;--primary-2:#6DB7E6;--sky:#8CCCF0;--sky-light:#CBE9F8;--sky-soft:#EDF8FD;
  --cream:#FFF9EE;--cream-2:#FFF4DF;--cream-3:#FDFBF6;--navy:#17344A;--navy-2:#244A64;--navy-soft:#4F6D80;
  --accent:#EF8E68;--accent-2:#F2B36F;--accent-soft:#FFF0E8;--bg:#FFFDF8;--bg-blue:#F3FAFE;--bg-cream:#FFF9EE;
  --surface:#FFFFFF;--surface-blue:#F8FCFF;--surface-cream:#FFFDF8;--text:#203542;--text-2:#5E7481;--text-3:#8A9AA3;
  --line:rgba(74,155,212,.12);--line-strong:rgba(74,155,212,.24);--line-warm:rgba(239,142,104,.14);
  --shadow:0 8px 28px rgba(31,88,124,.08);--shadow-hover:0 16px 42px rgba(31,88,124,.14);
  --radius:12px;--radius-card:18px;--radius-large:26px;--radius-pill:999px;--wrap:1320px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}body.search-open{overflow:hidden}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;padding:10px 14px;background:var(--navy);color:#fff;border-radius:10px}.skip-link:focus{top:12px}
.top-note{background:var(--cream-2);border-bottom:1px solid var(--line-warm);font-size:13px}.top-note .wrap{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.top-note a{color:var(--navy-2);font-weight:700}.site-header{position:sticky;top:0;z-index:90;background:rgba(255,249,238,.91);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-row{height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:42px;height:42px;border-radius:13px;object-fit:cover}.brand span{display:grid;line-height:1.1}.brand strong{font-size:18px}.brand small{font-size:9px;letter-spacing:.14em;color:var(--text-3);margin-top:5px}.desktop-nav{display:flex;gap:4px;align-self:stretch}.desktop-nav a{display:grid;place-items:center;padding:0 13px;border-bottom:2px solid transparent;color:var(--text-2);font-weight:650}.desktop-nav a:hover,.desktop-nav a.active{color:var(--navy);border-color:var(--primary)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.icon-button,.header-link,.menu-toggle{border:1px solid var(--line-strong);background:rgba(255,255,255,.6);border-radius:var(--radius-pill);padding:9px 13px;cursor:pointer}.icon-button:hover,.header-link:hover,.menu-toggle:hover{background:#fff;border-color:var(--primary)}.menu-toggle{display:none}.mobile-menu{border-top:1px solid var(--line);background:var(--cream)}.mobile-menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:16px 0 22px}.mobile-menu a{padding:10px 12px;background:#fff;border-radius:12px;border:1px solid var(--line)}
.search-modal{display:none;position:fixed;inset:0;z-index:150;background:rgba(12,37,55,.48);padding:8vh 20px;align-items:flex-start;justify-content:center}.search-modal.is-open{display:flex}.search-modal[hidden]{display:none!important;}.search-dialog{width:min(760px,100%);background:var(--cream-3);border-radius:var(--radius-large);box-shadow:0 30px 80px rgba(15,42,61,.25);padding:28px}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-head h2{margin:.25rem 0 0;font-size:clamp(24px,4vw,38px);line-height:1.15}.search-close{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-strong);background:#fff;font-size:24px;cursor:pointer}.search-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin:26px 0 16px}.search-form input{min-width:0;border:1px solid var(--line-strong);border-radius:15px;padding:14px 16px;background:#fff;outline:none}.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.12)}.search-form button{border:0;border-radius:15px;background:var(--primary);color:#fff;font-weight:800;padding:0 18px;cursor:pointer}.search-suggestions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--text-2)}.search-suggestions a{background:var(--bg-blue);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
main{overflow:hidden}.section{padding:68px 0}.section.compact{padding:38px 0}.section-blue{background:var(--bg-blue)}.section-cream{background:var(--cream)}.section-dark{background:var(--navy);color:#fff}.section-dark .section-heading p,.section-dark .card-meta,.section-dark .card-foot,.section-dark small{color:#bad0dc}.section-dark .text-link{color:#fff}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);font-weight:850}.section-dark .eyebrow{color:var(--sky)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:24px}.section-heading h2{margin:.35rem 0 .4rem;font-size:clamp(26px,4vw,44px);line-height:1.12;letter-spacing:-.02em}.section-heading p{max-width:760px;margin:0;color:var(--text-2)}.text-link{font-weight:800;color:var(--navy);white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:14px;font-weight:800}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:var(--cream-3);border:1px solid var(--line-strong);color:var(--navy)}.btn.live{background:var(--accent);color:#fff}.chips{display:flex;gap:10px;overflow:auto;padding-bottom:4px;scrollbar-width:none}.chip{flex:0 0 auto;padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700}.chip:hover{border-color:var(--primary);background:var(--sky-soft)}
.hero{padding:56px 0 48px;background:radial-gradient(circle at 85% 10%,rgba(140,204,240,.34),transparent 34%),linear-gradient(135deg,var(--cream) 0%,var(--sky-soft) 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(340px,5fr);gap:44px;align-items:center}.hero-copy h1{font-size:clamp(44px,6.4vw,82px);line-height:1.01;margin:.5rem 0 1.2rem;letter-spacing:-.05em;max-width:900px}.hero-copy>p{font-size:17px;color:var(--text-2);max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.hero-search{max-width:650px;display:flex;background:#fff;border:1px solid var(--line-strong);border-radius:16px;padding:6px;box-shadow:var(--shadow)}.hero-search input{flex:1;min-width:0;border:0;background:transparent;padding:10px 12px;outline:none}.hero-search button{border:0;background:var(--navy);color:#fff;border-radius:12px;padding:0 16px}.hero-visual{position:relative}.hero-visual>img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:32px;box-shadow:var(--shadow-hover)}.floating-panel{position:absolute;right:-20px;bottom:-22px;width:min(300px,72%);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.floating-panel strong{display:block;font-size:20px}.floating-panel p{margin:4px 0 0;color:var(--text-2)}.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px}.hero-stat{padding:12px 14px;background:rgba(255,255,255,.58);border:1px solid var(--line);border-radius:14px}.hero-stat strong{display:block;font-size:20px;color:var(--navy)}.hero-stat span{font-size:12px;color:var(--text-2)}
.content-card{min-width:0}.video-card{overflow:hidden}.video-card .media-frame,.live-card .media-frame{position:relative;display:block;overflow:hidden;border-radius:var(--radius-card);background:var(--sky-soft);aspect-ratio:16/9}.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}.video-card:hover .media-frame img{transform:scale(1.02)}.play-icon{position:absolute;left:14px;bottom:12px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.92);color:var(--navy);box-shadow:var(--shadow);transition:transform .2s}.video-card:hover .play-icon{transform:scale(1.07)}.duration{position:absolute;right:10px;bottom:10px;background:rgba(15,42,61,.82);color:#fff;border-radius:7px;padding:3px 7px;font-size:11px}.card-body{padding:13px 2px 0}.card-meta,.card-foot{display:flex;justify-content:space-between;gap:10px;color:var(--text-3);font-size:12px}.card-body h3,.topic-card h3{margin:7px 0 6px;line-height:1.35;font-size:18px}.card-body p,.topic-card p{margin:0 0 10px;color:var(--text-2)}.card-foot{border-top:1px solid var(--line);padding-top:9px}.card-foot span:last-child{text-align:right}.live-card .media-frame{border-radius:24px 24px 8px 24px}.live-badge{position:absolute;left:12px;top:12px;background:var(--accent);color:#fff;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:900;letter-spacing:.04em}.tag-row{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:11px;padding:4px 8px;border-radius:999px;background:var(--sky-soft);color:var(--navy-2)}.anchor-card{display:grid;grid-template-columns:84px 1fr;gap:15px;align-items:start;padding:16px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:18px}.anchor-card .avatar{width:84px;height:84px;object-fit:cover;border-radius:50%;border:4px solid var(--cream)}.anchor-card h3{margin:4px 0;font-size:20px}.anchor-card p{margin:0 0 8px;color:var(--text-2)}.topic-card{padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}.topic-author{display:flex;gap:10px;align-items:center}.topic-author div{display:grid}.topic-author small{color:var(--text-3)}.avatar-letter{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--sky-light);font-weight:900;color:var(--navy)}.related-line{margin:12px 0 7px;padding:8px 10px;border-left:3px solid var(--primary);background:var(--bg-blue);font-size:12px;color:var(--navy-2)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.magazine-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;grid-template-rows:auto auto;gap:18px}.magazine-grid>:first-child{grid-row:1/3}.magazine-grid>:first-child .media-frame{aspect-ratio:4/3}.lead-aside{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,.75fr);gap:30px}.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.split-feature.reverse> :first-child{order:2}.bento{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:16px}.bento>:first-child{grid-row:1/3}.bento .content-card{padding:18px;border-radius:22px;background:var(--surface-blue);border:1px solid var(--line)}.horizontal-track{display:flex;gap:18px;overflow:auto;padding:2px 2px 14px;scroll-snap-type:x proximity}.horizontal-track>*{flex:0 0 min(360px,82vw);scroll-snap-align:start}.dense-track>*{flex-basis:min(280px,74vw)}.masonry-flow{columns:3 280px;column-gap:20px}.masonry-flow>*{break-inside:avoid;margin-bottom:22px}.stage-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.7fr);gap:24px}.stage-main{padding:24px;border-radius:28px;background:linear-gradient(135deg,#123047,#17344A);color:#fff}.stage-main .media-frame{aspect-ratio:16/8.5}.stage-side{display:grid;gap:12px}.stage-side .live-card{display:grid;grid-template-columns:110px 1fr;gap:12px}.stage-side .media-frame{aspect-ratio:1}.stage-side .card-body{padding:0}.avatar-track{display:flex;gap:18px;overflow:auto;padding-bottom:10px}.avatar-track .anchor-card{flex:0 0 260px}.discussion-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.timeline{display:grid;gap:0}.timeline .content-card{position:relative;padding:18px 18px 18px 42px;border-left:1px solid var(--line-strong)}.timeline .content-card:before{content:"";position:absolute;left:-6px;top:26px;width:11px;height:11px;border-radius:50%;background:var(--primary);border:2px solid var(--cream)}.trend-board{display:grid;gap:12px}.trend-row{display:grid;grid-template-columns:minmax(180px,1fr) 2fr auto;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.trend-bar{height:9px;border-radius:99px;background:var(--sky-soft);overflow:hidden}.trend-bar i{display:block;height:100%;border-radius:inherit;background:var(--primary)}.portrait-story{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:center}.portrait-story img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:26px}.step-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}.step strong{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;margin-bottom:12px}.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.compare-card{padding:22px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--bg-blue))}.editor-note{max-width:900px;padding:26px 30px;border-left:5px solid var(--accent);background:var(--accent-soft);border-radius:0 22px 22px 0}.editor-note p{font-size:18px;line-height:1.9;margin:0}.rank-list{display:grid}.rank-row{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center;padding:14px 8px;border-bottom:1px solid var(--line)}.rank-row:hover{background:rgba(255,255,255,.5)}.rank-no{font:900 24px/1 Georgia,serif;color:var(--primary)}.rank-row span:nth-child(2){display:grid}.rank-row small{color:var(--text-3)}.rank-status{font-size:12px;color:var(--text-3)}.feature-banner{position:relative;overflow:hidden;border-radius:30px;min-height:440px;display:grid;align-items:end;background:var(--navy);color:#fff}.feature-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}.feature-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(15,42,61,.86))}.feature-banner-copy{position:relative;z-index:1;padding:36px;max-width:780px}.feature-banner h1,.feature-banner h2{font-size:clamp(34px,5vw,60px);line-height:1.05;margin:.4rem 0}.feature-banner p{color:#d9e8ef;font-size:17px}.micro-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.micro-card{padding:15px;border-radius:16px;background:var(--cream);border:1px solid var(--line)}
.page-hero{padding:54px 0;background:linear-gradient(145deg,var(--cream) 5%,var(--sky-soft) 100%)}.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}.page-hero h1{font-size:clamp(40px,6vw,72px);line-height:1.03;margin:.45rem 0 1rem}.page-hero p{font-size:17px;color:var(--text-2);max-width:780px}.page-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:28px}.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.metric{padding:14px;border-radius:15px;background:#fff;border:1px solid var(--line)}.metric strong{display:block;font-size:24px}.metric span{color:var(--text-2);font-size:12px}.faq-list{display:grid;gap:10px;max-width:900px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;border:0;background:transparent;padding:17px 18px;font-weight:800;cursor:pointer}.faq-answer{padding:0 18px 16px;color:var(--text-2)}.faq-answer p{margin:0}.notice-box{padding:18px 20px;border-radius:18px;background:var(--cream-2);border:1px solid var(--line-warm)}.notice-box strong{color:var(--navy)}.prose{max-width:880px}.prose h2{font-size:32px}.prose p{font-size:16px;color:var(--text-2)}.info-list{display:grid;gap:14px}.info-list article{padding:18px 20px;border-radius:16px;background:#fff;border:1px solid var(--line)}.search-results{display:grid;gap:14px}.search-result{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}.search-result img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}.empty-state{padding:38px;text-align:center;border:1px dashed var(--line-strong);border-radius:24px;background:var(--bg-blue)}
.footer-prelude{padding:42px 0;background:var(--sky-soft)}.footer-prelude-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}.footer-prelude h2{margin:.35rem 0 0;font-size:clamp(28px,4vw,46px);max-width:780px}.footer-prelude-actions{display:flex;gap:10px;flex-wrap:wrap}.site-footer{background:var(--navy);color:#fff;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:34px}.site-footer h3{font-size:14px;margin:0 0 12px}.site-footer a:not(.brand){display:block;color:#bed1dc;margin:7px 0}.site-footer a:hover{color:#fff}.brand.inverse small,.footer-brand p{color:#aac3d0}.footer-brand p{max-width:320px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;color:#9fb9c6;font-size:12px}.mobile-bottom-nav{display:none}.backtop{position:fixed;right:22px;bottom:22px;z-index:70;width:44px;height:44px;border:0;border-radius:50%;background:var(--navy);color:#fff;box-shadow:var(--shadow-hover);cursor:pointer}
@media (max-width:1050px){.desktop-nav{display:none}.menu-toggle{display:inline-flex}.hero-grid,.page-hero-grid{grid-template-columns:1fr}.hero-visual{max-width:760px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(3,1fr)}.magazine-grid{grid-template-columns:1.2fr 1fr}.magazine-grid>:first-child{grid-row:auto}.bento{grid-template-columns:1fr 1fr}.bento>:first-child{grid-row:auto;grid-column:1/3}.stage-layout{grid-template-columns:1fr}.micro-grid{grid-template-columns:repeat(3,1fr)}.step-timeline{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.footer-brand{grid-row:span 2}.floating-panel{right:16px}}
@media (max-width:720px){body{padding-bottom:60px}.wrap{width:min(calc(100% - 28px),var(--wrap))}.top-note .wrap{display:block}.top-note a{display:none}.header-row{height:64px}.brand img{width:38px;height:38px}.header-actions .header-link{display:none}.section{padding:50px 0}.section-heading{display:block}.section-heading .text-link{display:inline-block;margin-top:8px}.hero{padding-top:38px}.hero-copy h1{font-size:44px}.hero-stats{grid-template-columns:repeat(2,1fr)}.floating-panel{position:relative;right:auto;bottom:auto;width:auto;margin-top:12px}.grid-2,.grid-3,.grid-4,.grid-5,.discussion-columns,.compare-grid{grid-template-columns:1fr}.magazine-grid{display:flex;overflow:auto}.magazine-grid>*{flex:0 0 84vw}.bento{display:flex;overflow:auto}.bento>*{flex:0 0 80vw}.stage-side .live-card{grid-template-columns:90px 1fr}.portrait-story,.split-feature{grid-template-columns:1fr}.split-feature.reverse> :first-child{order:0}.step-timeline{grid-template-columns:1fr 1fr}.metric-strip{grid-template-columns:1fr 1fr}.micro-grid{grid-template-columns:1fr 1fr}.search-dialog{padding:20px}.search-form{grid-template-columns:1fr}.search-form button{min-height:44px}.mobile-menu-grid{grid-template-columns:repeat(2,1fr)}.footer-prelude-grid,.footer-bottom{display:block}.footer-prelude-actions{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3;grid-row:auto}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:80;background:rgba(255,253,248,.96);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:7px 4px max(7px,env(safe-area-inset-bottom))}.mobile-bottom-nav a{text-align:center;font-size:12px;font-weight:700}.backtop{bottom:76px;right:14px}.masonry-flow{columns:1}.trend-row{grid-template-columns:1fr}.search-result{grid-template-columns:100px 1fr}.card-foot{display:grid}.card-foot span:last-child{text-align:left}}