: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,-apple-system,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:100;background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.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:50;background:rgba(255,249,238,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;min-height:72px;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{border-radius:13px}.brand span{display:grid;line-height:1.1}.brand strong{font-size:20px}.brand small{margin-top:4px;font-size:9px;letter-spacing:.12em;color:var(--text-3)}.desktop-nav{display:flex;align-items:center;gap:4px;flex:1}.desktop-nav a,.header-link,.icon-btn{padding:9px 12px;border-radius:10px;font-size:14px}.desktop-nav a:hover,.desktop-nav a.active{background:var(--surface);color:var(--primary);box-shadow:0 4px 14px rgba(31,88,124,.05)}.header-actions{display:flex;align-items:center;gap:4px}.icon-btn{border:1px solid var(--line);background:rgba(255,255,255,.6);color:var(--navy);cursor:pointer}.mega-strip{background:rgba(255,255,255,.68);border-top:1px solid rgba(74,155,212,.06)}.mega-grid{display:flex;gap:18px;overflow:auto;padding:8px 0;font-size:12px;color:var(--text-2);scrollbar-width:none}.mega-grid a{white-space:nowrap}.mobile-menu{position:absolute;left:20px;right:20px;top:74px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow-hover);grid-template-columns:repeat(2,1fr);gap:8px}.mobile-menu:not([hidden]){display:grid}.mobile-menu a{padding:10px;border-radius:10px;background:var(--sky-soft)}
.search-modal{display:none;position:fixed;inset:0;z-index:200;align-items:flex-start;justify-content:center;padding:12vh 20px;background:rgba(15,42,61,.38);backdrop-filter:blur(8px)}.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);border:1px solid var(--line);box-shadow:0 34px 90px rgba(15,42,61,.2);padding:28px}.search-dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-dialog h2{margin:4px 0 16px;font-size:clamp(24px,4vw,38px)}.search-close{border:0;background:var(--surface);width:42px;height:42px;border-radius:50%;font-size:26px;cursor:pointer}.search-form{display:flex;gap:10px}.search-form input{flex:1;border:1px solid var(--line-strong);border-radius:14px;background:#fff;padding:14px 16px;outline:0}.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.1)}.search-suggestions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;color:var(--text-2);font-size:13px}.search-suggestions span{background:var(--sky-soft);border-radius:var(--radius-pill);padding:6px 10px}body.search-open{overflow:hidden}
main{overflow:hidden}.section{padding:74px 0}.section--tight{padding:48px 0}.section--blue{background:var(--bg-blue)}.section--cream{background:var(--bg-cream)}.section--dark{background:var(--navy);color:#f7fbfd}.section--dark .section-head p,.section--dark .meta-row,.section--dark .eyebrow{color:#b8cfdb}.section--dark .video-card{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.08)}.section--accent{background:linear-gradient(135deg,var(--cream),var(--accent-soft))}.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:24px}.section-head h2{margin:4px 0 0;font-size:clamp(27px,3.5vw,44px);line-height:1.14;letter-spacing:-.03em}.section-head p{max-width:720px;margin:9px 0 0;color:var(--text-2)}.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);font-weight:800}.text-link{color:var(--primary);font-weight:800;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:12px 18px;border-radius:12px;border:1px solid transparent;font-weight:800;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-secondary{background:var(--cream);border-color:var(--line-strong);color:var(--navy)}.btn-live{background:var(--accent);color:#fff}.hero{padding:58px 0 68px;background:radial-gradient(circle at 88% 12%,rgba(140,204,240,.42),transparent 34%),linear-gradient(135deg,var(--cream),var(--sky-soft))}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:42px;align-items:center}.hero h1{font-size:clamp(42px,6.5vw,78px);line-height:1.02;letter-spacing:-.05em;margin:10px 0 20px;color:var(--navy)}.hero .lead{font-size:18px;color:var(--text-2);max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.hero-search{display:flex;gap:8px;background:rgba(255,255,255,.72);padding:8px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);max-width:640px}.hero-search input{flex:1;border:0;background:transparent;padding:10px;outline:0;min-width:0}.hero-visual{position:relative;min-height:520px}.hero-visual>img{width:100%;height:480px;border-radius:32px;box-shadow:var(--shadow-hover)}.floating-panel{position:absolute;right:-18px;bottom:8px;width:min(300px,80%);background:rgba(255,253,248,.94);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow-hover)}.floating-panel ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:9px}.floating-panel li{display:flex;justify-content:space-between;gap:12px;font-size:13px}.floating-panel strong{color:var(--navy)}
.chip-row,.tag-cloud{display:flex;gap:9px;flex-wrap:wrap}.chip,.tag-cloud a{display:inline-flex;padding:6px 10px;border-radius:var(--radius-pill);background:var(--sky-soft);color:var(--navy-2);font-size:12px;font-weight:700}.tag-cloud a{font-size:14px;padding:9px 13px}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.video-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.video-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-card);background:rgba(255,255,255,.76);transition:.2s ease}.video-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.video-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--sky-soft)}.video-cover img{width:100%;height:100%;transition:transform .25s ease}.video-card:hover .video-cover img{transform:scale(1.02)}.play-icon{position:absolute;left:14px;bottom:12px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--navy);transition:.2s}.video-card:hover .play-icon{transform:scale(1.05)}.duration{position:absolute;right:12px;bottom:12px;background:rgba(15,42,61,.84);color:#fff;border-radius:7px;padding:3px 7px;font-size:11px}.video-body{padding:16px}.video-body h3{margin:10px 0 8px;font-size:18px;line-height:1.35}.video-body p{margin:0 0 12px;color:var(--text-2);font-size:14px}.editor-reason{padding:10px 12px;background:var(--cream-2);border-radius:10px;color:var(--navy-2)!important}.meta-row,.creator-row,.topic-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-3);font-size:12px}.creator-row{border-top:1px solid var(--line);padding-top:12px}.favorite-btn{border:0;background:transparent;color:var(--primary);font-size:20px;cursor:pointer}.feature-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}.feature-main .video-card{height:100%}.editor-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.editor-stack .video-body p{display:none}.horizontal-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,31%);gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x proximity}.horizontal-rail>*{scroll-snap-align:start}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:16px}.magazine-grid>*:first-child{grid-row:1/3}.bento{display:grid;grid-template-columns:1.3fr .7fr 1fr;grid-template-rows:220px 220px;gap:16px}.bento>*{border-radius:var(--radius-card);overflow:hidden;position:relative;background:var(--surface)}.bento>*:first-child{grid-row:1/3}.bento img{width:100%;height:100%}.bento .bento-copy{position:absolute;inset:auto 12px 12px;background:rgba(255,253,248,.9);border-radius:12px;padding:10px 12px}.split-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:start}.reverse{direction:rtl}.reverse>*{direction:ltr}.feature-panel{border-radius:var(--radius-large);padding:28px;background:var(--surface);border:1px solid var(--line)}.feature-panel img{width:100%;aspect-ratio:16/9;border-radius:18px;margin-bottom:18px}.ranking{display:grid;gap:0;border-top:1px solid var(--line)}.rank-row{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.rank-num{font-size:24px;font-weight:900;color:var(--primary)}.rank-row small{color:var(--text-3)}.dual-stream{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.stream-list{display:grid;gap:14px}.stream-item{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:center}.stream-item img{width:150px;aspect-ratio:16/9;border-radius:12px}.stream-item h3{font-size:16px;margin:4px 0}.stream-item p{font-size:13px;color:var(--text-2);margin:0}.live-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.live-card{border-radius:var(--radius-card);overflow:hidden;background:var(--surface);border:1px solid var(--line-warm)}.live-cover{position:relative;aspect-ratio:16/10}.live-cover img{width:100%;height:100%}.live-badge{position:absolute;left:12px;top:12px;background:var(--accent);color:#fff;border-radius:7px;padding:4px 8px;font-size:11px;font-weight:900}.live-copy{padding:16px}.live-copy h3{margin:6px 0}.live-copy p{color:var(--text-2);font-size:14px}.live-stage{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}.live-stage-main{border-radius:24px;overflow:hidden;background:var(--navy);color:#fff}.live-stage-main img{width:100%;aspect-ratio:16/9}.live-stage-copy{padding:22px}.live-stage-side{display:grid;gap:12px}.anchor-rail{display:grid;grid-auto-flow:column;grid-auto-columns:180px;gap:18px;overflow-x:auto;padding-bottom:10px}.anchor-card{border-radius:var(--radius-card);padding:16px;background:var(--surface);border:1px solid var(--line);display:flex;gap:14px}.anchor-card img{width:86px;height:86px;border-radius:50%;object-fit:cover;flex:none}.anchor-card h3{margin:3px 0}.anchor-card p{margin:6px 0;color:var(--text-2);font-size:13px}.anchor-card--portrait{display:block}.anchor-card--portrait img{width:100%;height:240px;border-radius:14px;margin-bottom:14px}.anchor-rail .anchor-card{display:block;text-align:center}.anchor-rail .anchor-card img{margin:0 auto 10px}.status-dot{display:inline-block;color:var(--accent);font-size:11px;font-weight:800}.anchor-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-card{display:grid;grid-template-columns:46px 1fr;gap:12px;padding:18px;border-radius:16px;background:rgba(255,255,255,.76);border:1px solid var(--line)}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--sky-light);font-weight:900;color:var(--navy)}.topic-card h3{margin:5px 0}.topic-card p{color:var(--text-2);font-size:14px}.timeline{position:relative;padding-left:22px;display:grid;gap:18px}.timeline:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;padding:0 0 0 12px}.timeline-item:before{content:"";position:absolute;left:-22px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--sky-soft)}.timeline-item h3{margin:0 0 4px}.trend-list{display:grid;gap:8px}.trend-item{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.trend-item strong{font-size:20px;color:var(--primary)}.trend-change{color:var(--accent);font-weight:900}.creator-story{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.creator-story img{border-radius:24px;width:100%;aspect-ratio:4/3}.quote-block{padding:30px;border-radius:24px;background:var(--cream-2);font-size:20px;line-height:1.7}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:22px;border-radius:18px;background:var(--surface);border:1px solid var(--line)}.step-num{font-size:34px;font-weight:900;color:var(--sky)}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.info-card{padding:22px;border-radius:18px;background:var(--surface-blue);border:1px solid var(--line)}.info-card h3{margin-top:0}.app-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}.phone-stage{position:relative;min-height:480px;display:grid;place-items:center}.phone-stage img{max-height:470px;width:auto;border-radius:28px;box-shadow:var(--shadow-hover)}.app-feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.app-feature{padding:16px;border-radius:15px;background:var(--surface);border:1px solid var(--line)}.app-feature h3{margin:0 0 5px}.app-feature p{font-size:13px;color:var(--text-2);margin:0}.faq-list{display:grid;gap:10px;max-width:920px}.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.76);overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:16px 18px;border:0;background:transparent;color:var(--navy);font-weight:800;cursor:pointer}.faq-answer{padding:0 18px 16px;color:var(--text-2)}.page-hero{padding:64px 0 54px;background:linear-gradient(135deg,var(--cream),var(--sky-soft))}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.page-hero h1{font-size:clamp(38px,5.5vw,66px);line-height:1.05;margin:8px 0 16px}.page-hero p{color:var(--text-2);font-size:17px}.page-hero img{width:100%;aspect-ratio:16/10;border-radius:26px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.tab-btn{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;cursor:pointer}.tab-btn.active{background:var(--primary);color:#fff}.notice{padding:18px 20px;border:1px solid var(--line-warm);background:var(--accent-soft);border-radius:16px}.empty-state{padding:40px;text-align:center;border:1px dashed var(--line-strong);border-radius:18px;background:var(--surface-blue)}
.site-footer{background:var(--navy);color:#e8f2f6;padding:58px 0 100px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:30px}.footer-grid>div{display:grid;align-content:start;gap:8px}.footer-grid h2{font-size:14px;color:#fff}.footer-grid a{color:#c9dce5;font-size:13px}.footer-grid p{color:#b8cbd4;max-width:360px}.brand--footer small{color:#a9c3cf}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#9fb7c3;font-size:12px}.mobile-bottom{display:none}.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:50%;background:var(--navy);color:#fff;box-shadow:var(--shadow-hover);cursor:pointer;z-index:45}
@media (max-width:1050px){.desktop-nav,.mega-strip{display:none}.header-actions{margin-left:auto}.hero-grid,.page-hero-grid,.app-layout{grid-template-columns:1fr}.hero-visual{min-height:auto}.hero-visual>img{height:auto}.feature-layout,.split-layout,.live-stage,.creator-story{grid-template-columns:1fr}.anchor-grid,.video-grid--4{grid-template-columns:repeat(2,1fr)}.video-grid,.live-grid,.info-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(3,1fr)}.footer-grid>div:first-child{grid-column:1/-1}.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.top-note .wrap{display:block}.top-note a{display:none}.site-header{top:0}.header-inner{min-height:64px}.header-link{display:none}.section{padding:52px 0}.hero{padding:38px 0 52px}.hero h1{font-size:44px}.hero-visual>img{border-radius:22px}.floating-panel{position:relative;right:auto;bottom:auto;width:auto;margin:-34px 12px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:10px}.video-grid,.video-grid--2,.video-grid--4,.live-grid,.topic-grid,.dual-stream,.info-grid{grid-template-columns:1fr}.horizontal-rail{grid-auto-columns:82%}.anchor-grid{grid-template-columns:repeat(2,1fr)}.anchor-card{display:block}.anchor-card img{margin-bottom:8px}.magazine-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}.magazine-grid>*:first-child{grid-column:1/-1;grid-row:auto}.bento{grid-template-columns:1fr 1fr;grid-template-rows:220px 180px 180px}.bento>*:first-child{grid-column:1/-1;grid-row:auto}.stream-item{grid-template-columns:118px 1fr}.stream-item img{width:118px}.steps,.app-feature-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,248,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:max(4px,env(safe-area-inset-bottom))}.mobile-bottom a{padding:10px 4px;text-align:center;font-size:11px;color:var(--navy)}.back-top{bottom:72px}.site-footer{padding-bottom:120px}.search-dialog{padding:20px}.search-form{display:grid}.page-hero{padding:40px 0}.anchor-rail{grid-auto-columns:160px}}