: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-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(calc(100% - 36px),var(--wrap));margin:auto}.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:12px}.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}
.top-note{background:var(--cream-2);font-size:13px;border-bottom:1px solid var(--line-warm)}.top-note .wrap{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.top-note a{color:var(--primary)}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,238,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:46px;height:46px;border-radius:14px;object-fit:cover}.brand span{display:flex;flex-direction:column;line-height:1.05}.brand strong{font-size:20px}.brand small{font-size:10px;letter-spacing:.13em;color:var(--text-2);margin-top:5px}.main-nav{display:flex;gap:5px;align-items:center;flex:1}.main-nav a{padding:9px 12px;border-radius:999px;color:var(--text-2);font-weight:700}.main-nav a:hover,.main-nav a.active{background:var(--sky-soft);color:var(--navy)}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn,.text-btn,.menu-btn{border:0;background:transparent;padding:10px 11px;border-radius:12px;cursor:pointer}.icon-btn:hover,.text-btn:hover,.menu-btn:hover{background:#fff}.primary-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:13px 20px;background:var(--primary);color:#fff;font-weight:800;cursor:pointer}.primary-btn.small{padding:9px 14px}.secondary-btn{display:inline-flex;border:1px solid var(--line-strong);background:var(--cream);padding:12px 18px;border-radius:13px;font-weight:800}.mega-menu{border-top:1px solid var(--line);background:rgba(255,253,248,.98);box-shadow:var(--shadow)}.mega-menu[hidden]{display:none!important}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:24px 0}.mega-grid>div{display:grid;gap:8px}.mega-grid span{font-weight:900}.mega-grid a{color:var(--text-2)}
.search-modal{display:none;position:fixed;inset:0;z-index:120;background:rgba(15,42,61,.46);align-items:flex-start;justify-content:center;padding:11vh 20px 20px}.search-modal.is-open{display:flex}.search-modal[hidden]{display:none !important}.search-dialog{position:relative;width:min(720px,100%);background:var(--cream-3);border-radius:28px;padding:34px;box-shadow:0 30px 80px rgba(15,42,61,.24);border:1px solid rgba(255,255,255,.7)}.search-dialog h2{font-size:clamp(28px,5vw,46px);line-height:1.15;margin:10px 0 22px}.search-close{position:absolute;right:18px;top:16px;width:42px;height:42px;border:0;border-radius:50%;background:var(--surface);cursor:pointer;font-size:24px}.search-form{display:flex;gap:10px}.search-form input{flex:1;min-width:0;padding:14px 16px;border:1px solid var(--line-strong);border-radius:14px;background:#fff;color:var(--text)}.search-suggest{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;color:var(--text-2)}.search-suggest span{font-weight:800;color:var(--text)}.search-suggest a{background:var(--sky-soft);padding:5px 10px;border-radius:999px}body.search-open{overflow:hidden}
main{min-height:60vh}.page-hero,.hero{position:relative;overflow:hidden}.hero{background:linear-gradient(135deg,var(--cream) 0%,var(--cream-3) 42%,var(--sky-soft) 100%);padding:72px 0}.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(74,155,212,.13) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(90deg,#000,transparent 70%)}.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}.eyebrow{display:inline-block;color:var(--primary);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(42px,6.3vw,78px);line-height:1.03;margin:14px 0 20px;letter-spacing:-.04em}.hero-copy p,.page-hero p{font-size:18px;color:var(--text-2);max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.hero-search{display:flex;gap:10px;margin-top:20px}.hero-search input{flex:1;padding:14px 16px;border:1px solid var(--line);background:rgba(255,255,255,.85);border-radius:14px}.hero-visual{position:relative}.hero-visual>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px;box-shadow:var(--shadow-hover)}.floating-panel{position:absolute;background:rgba(255,255,255,.93);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:14px 16px;backdrop-filter:blur(10px)}.floating-panel.one{left:-28px;bottom:24px}.floating-panel.two{right:-22px;top:28px}.floating-panel strong{display:block}.floating-panel small{color:var(--text-2)}
.page-hero{padding:68px 0 54px;background:linear-gradient(180deg,var(--sky-soft),var(--bg))}.page-hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:34px;align-items:end}.page-hero img{border-radius:26px;aspect-ratio:16/9;object-fit:cover}
section{padding:64px 0}.section-alt{background:var(--bg-blue)}.section-cream{background:var(--cream)}.section-dark{background:var(--navy);color:#fff}.section-dark .section-head p,.section-dark .meta,.section-dark p{color:#c7d6df}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:26px}.section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.08;margin:7px 0}.section-head p{max-width:740px;color:var(--text-2);margin:0}.section-action{font-weight:900;color:var(--primary);white-space:nowrap}.section-dark .section-action{color:var(--sky-light)}
.chips{display:flex;gap:10px;overflow:auto;padding:3px 1px 8px;scrollbar-width:none}.chip{flex:0 0 auto;border:1px solid var(--line);background:rgba(255,255,255,.7);padding:9px 13px;border-radius:999px;font-size:14px}.pill{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:900;background:var(--cream-2);color:var(--navy)}.pill-blue{background:var(--sky-soft);color:var(--primary)}.pill-warm{background:var(--accent-soft);color:#b75d3d}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);overflow:auto;gap:18px;padding-bottom:10px;scroll-snap-type:x proximity}.rail>*{scroll-snap-align:start}.media-thumb{position:relative;overflow:hidden;background:var(--sky-light);display:block}.ratio-16-9{aspect-ratio:16/9}.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}.video-card:hover .media-thumb img{transform:scale(1.02)}.play-icon{position:absolute;left:14px;bottom:14px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--navy);font-size:14px;transition:transform .2s}.video-card:hover .play-icon{transform:scale(1.06)}.duration{position:absolute;right:10px;bottom:10px;background:rgba(23,52,74,.82);color:#fff;border-radius:8px;padding:3px 7px;font-size:11px}.video-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}.video-card.no-border{border:0;background:transparent}.video-card.soft{background:var(--surface-blue)}.video-card .card-body,.live-card .card-body{padding:16px}.video-card h3,.live-card h3,.mini-card h3,.topic-card h3,.anchor-card h3{margin:8px 0;line-height:1.35}.video-card p,.live-card p,.mini-card p,.topic-card p,.anchor-card p{color:var(--text-2);margin:8px 0}.meta{display:flex;justify-content:space-between;gap:12px;color:var(--text-3);font-size:12px;margin-top:12px}.mini-card{display:grid;grid-template-columns:82px minmax(0,1fr);gap:14px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line)}.mini-card img{width:82px;aspect-ratio:16/10;object-fit:cover;border-radius:12px}.mini-card h3{font-size:15px;margin:3px 0}.mini-card p{font-size:12px;margin:4px 0}.mini-card>strong{font-size:24px;color:var(--primary)}.rank-num{align-self:center}
.live-card{border-radius:20px;overflow:hidden;background:var(--surface);border:1px solid var(--line-warm)}.live-badge{position:absolute;left:12px;top:12px;background:var(--accent);color:#fff;font-weight:900;font-size:11px;padding:5px 8px;border-radius:999px}.anchor-card{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:18px;background:rgba(255,255,255,.72);border:1px solid var(--line)}.anchor-card .avatar{width:76px;height:76px;border-radius:50%;object-fit:cover;flex:0 0 auto}.anchor-direction{font-weight:800;color:var(--primary)!important}.status-dot{font-size:11px;color:#b75d3d}.topic-card{display:grid;grid-template-columns:42px 1fr;gap:13px;padding:18px;border-bottom:1px solid var(--line)}.topic-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--sky-light);font-weight:900}.topic-card small{color:var(--text-3)}.trend-row{display:grid;grid-template-columns:46px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.trend-row>strong{font-size:26px;color:var(--primary)}.trend-row h3{margin:2px 0}.trend-row p{margin:0;color:var(--text-2)}.trend-row em{font-style:normal;color:#b75d3d}.story-card{display:grid;grid-template-columns:1fr 1fr;border-radius:26px;overflow:hidden;background:var(--cream);min-height:330px}.story-card img{width:100%;height:100%;object-fit:cover}.story-card>div{padding:34px;display:flex;flex-direction:column;justify-content:center}.story-card h3{font-size:34px;margin:8px 0}.story-card p{color:var(--text-2)}
.bento{display:grid;grid-template-columns:1.35fr .85fr .8fr;grid-auto-rows:180px;gap:16px}.bento .video-card:first-child{grid-row:span 2}.bento .video-card:nth-child(4){grid-column:span 2}.split{display:grid;grid-template-columns:1.25fr .75fr;gap:28px}.split.reverse{grid-template-columns:.75fr 1.25fr}.feature-main{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}.feature-main .video-card:first-child{grid-row:span 2}.list-panel{padding:22px;border-radius:22px;background:var(--surface-blue);border:1px solid var(--line)}.dark-panel{background:var(--navy);color:#fff;border-radius:26px;padding:28px}.dark-panel p{color:#c7d6df}.editor-note{padding:24px 26px;border-left:4px solid var(--primary);background:var(--cream);border-radius:0 18px 18px 0}.editor-note h3{margin:0 0 8px}.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.stat-cell{padding:22px;border-right:1px solid var(--line);background:#fff}.stat-cell:last-child{border:0}.stat-cell strong{font-size:28px;color:var(--primary);display:block}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud a{padding:8px 12px;border-radius:999px;background:var(--sky-soft);font-weight:800}.timeline{position:relative;padding-left:24px}.timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;padding:0 0 24px}.timeline-item:before{content:"";position:absolute;left:-24px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--sky-soft)}.timeline-item h3{margin:0}.timeline-item p{color:var(--text-2)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.info-card:nth-child(2n){background:var(--surface-blue)}.info-card h3{margin-top:0}.info-card p{color:var(--text-2)}.step-list{counter-reset:steps;display:grid;gap:14px}.step{counter-increment:steps;display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.step:before{content:counter(steps);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900}.step h3{margin:0 0 4px}.step p{margin:0;color:var(--text-2)}
.faq-list{display:grid;gap:10px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 18px}.faq-item summary{cursor:pointer;font-weight:900;padding:16px 4px}.faq-item p{color:var(--text-2);padding:0 4px 16px;margin:0}.quote-box{font-size:clamp(24px,4vw,40px);line-height:1.35;padding:34px;border-radius:28px;background:linear-gradient(135deg,var(--cream),var(--sky-soft));font-weight:800}.cta-band{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:28px;padding:34px;border-radius:28px;background:var(--navy);color:#fff}.cta-band p{color:#c7d6df}.cta-band .hero-actions{justify-content:flex-end}
.site-footer{background:var(--navy);color:#fff;padding:58px 0 92px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:30px}.brand-invert small{color:#a9c2d0}.footer-brand p{max-width:460px;color:#c7d6df}.footer-grid h3{font-size:14px;margin:0 0 14px;color:var(--sky-light)}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}.footer-grid a{color:#dfeaf0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:40px;color:#9fb6c3;font-size:12px}.mobile-bottom{display:none}.back-top{position:fixed;right:20px;bottom:26px;width:44px;height:44px;border:0;border-radius:50%;background:var(--primary);color:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:70}.back-top.show{opacity:1;pointer-events:auto}
.prose{max-width:880px}.prose h2{font-size:34px}.prose p{color:var(--text-2);font-size:17px}.search-results{display:grid;gap:16px}.empty-state{padding:38px;border:1px dashed var(--line-strong);border-radius:24px;text-align:center;background:var(--surface-blue)}
@media(max-width:1040px){.main-nav{display:none}.hero-grid,.page-hero .wrap,.feature-main,.split,.split.reverse,.cta-band{grid-template-columns:1fr}.hero-visual{max-width:760px}.grid-4{grid-template-columns:repeat(2,1fr)}.bento{grid-template-columns:1fr 1fr}.bento .video-card:first-child{grid-row:auto}.bento .video-card:nth-child(4){grid-column:auto}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.footer-grid>div:nth-child(n+4){margin-top:12px}.stats-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.top-note .wrap{display:block}.top-note a{display:none}.header-inner{height:66px}.brand small,.text-btn,.header-actions .small{display:none}.menu-btn{padding-inline:7px}.hero{padding:48px 0}.hero-grid{gap:28px}.hero h1,.page-hero h1{font-size:44px}.floating-panel.one{left:8px}.floating-panel.two{right:8px}.section-head{align-items:flex-start;flex-direction:column}.section-action{white-space:normal}.grid-3,.grid-2,.info-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.rail{grid-auto-columns:82%}.video-card .card-body,.live-card .card-body{padding:13px}.video-card p{font-size:13px}.anchor-card{background:transparent;border:0;padding:10px 0}.avatar{width:64px!important;height:64px!important}.story-card{grid-template-columns:1fr}.story-card img{max-height:260px}.bento{display:flex;overflow:auto}.bento>*{min-width:78%}.mega-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:grid}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;height:62px;z-index:75;background:rgba(255,253,248,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);justify-content:space-around;align-items:center;font-size:12px;font-weight:800}.back-top{bottom:78px}.site-footer{padding-bottom:110px}.search-form,.hero-search{flex-direction:column}.search-dialog{padding:28px 22px}.stats-strip{grid-template-columns:1fr 1fr}.stat-cell{padding:16px}.topic-card{grid-template-columns:36px 1fr}.topic-avatar{width:36px;height:36px}}