: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:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:0 auto}.sr-only{position:absolute!important;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:12px;top:12px;z-index:2000;background:#fff;padding:8px 12px;border-radius:8px;transform:translateY(-140%)}.skip-link:focus{transform:none}.top-note{background:var(--navy);color:#dfeef6;font-size:13px;padding:7px 0}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,249,238,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-row{min-height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:42px;height:42px;border-radius:13px}.brand span{display:grid;line-height:1.05}.brand b{font-size:20px}.brand small{font-size:9px;letter-spacing:.16em;color:var(--navy-soft);margin-top:5px}.main-nav{display:flex;align-items:center;gap:4px;flex:1}.main-nav a{padding:9px 12px;border-radius:10px;color:var(--navy-soft);font-weight:650}.main-nav a:hover,.main-nav a.is-active{color:var(--navy);background:rgba(74,155,212,.1)}.header-actions{display:flex;gap:8px;align-items:center}.icon-btn,.button{border:0;border-radius:var(--radius-pill);padding:10px 16px;background:var(--primary);color:white;font-weight:750}.icon-btn{background:transparent;color:var(--navy);border:1px solid var(--line-strong)}.button--small{padding:8px 14px}.mega-menu{position:absolute;left:0;right:0;background:#fffaf1;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.mega-menu[hidden]{display:none!important}.mega-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:22px 0}.mega-grid a{padding:12px;border-radius:12px;background:var(--surface-blue)}
.search-modal{display:none;position:fixed;inset:0;z-index:1500;background:rgba(15,42,61,.42);padding: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%);margin-top:10vh;background:var(--cream);border:1px solid rgba(255,255,255,.8);border-radius:28px;padding:28px;box-shadow:0 30px 90px rgba(15,42,61,.25)}.search-dialog-head{display:flex;gap:20px;justify-content:space-between;align-items:flex-start}.search-dialog h2{margin:.2rem 0 0;font-size:clamp(24px,4vw,38px)}.search-close-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-strong);background:white;font-size:27px;color:var(--navy)}.search-form{display:flex;gap:10px;margin:24px 0}.search-form input{flex:1;border:1px solid var(--line-strong);background:#fff;padding:14px 16px;border-radius:14px;outline:none}.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.12)}.search-hints{display:flex;flex-wrap:wrap;gap:8px}.search-hints a{padding:8px 11px;background:var(--sky-soft);border-radius:999px;color:var(--navy-2)}body.search-open{overflow:hidden}
.section{padding:72px 0}.section--compact{padding:42px 0}.section--blue{background:var(--bg-blue)}.section--cream{background:var(--bg-cream)}.section--dark{background:var(--navy);color:white}.section--dark .section-head p,.section--dark .section-copy{color:#c5d8e4}.section--tint{background:linear-gradient(135deg,var(--cream),var(--sky-soft))}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section-head h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1.12;letter-spacing:-.025em}.section-head p{margin:9px 0 0;color:var(--text-2);max-width:720px}.section-copy{max-width:860px;color:var(--text-2);font-size:17px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:850;color:var(--primary);text-transform:uppercase}.section--dark .eyebrow{color:var(--sky)}.text-link{color:var(--primary);font-weight:750;white-space:nowrap}.hero{padding:54px 0 64px;background:linear-gradient(135deg,var(--cream) 0%,#fffdfa 45%,var(--sky-soft) 100%);overflow:hidden}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(380px,5fr);gap:48px;align-items:center}.hero h1{font-size:clamp(44px,6vw,78px);line-height:1.04;letter-spacing:-.045em;margin:15px 0 22px;max-width:760px}.hero-lead{font-size:19px;color:var(--text-2);max-width:700px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button--secondary{background:transparent;color:var(--navy);border:1px solid var(--line-strong)}.hero-search{display:flex;gap:10px;max-width:680px;background:white;padding:8px;border-radius:18px;box-shadow:var(--shadow)}.hero-search input{min-width:0;flex:1;border:0;padding:10px 12px;outline:none}.hero-visual{position:relative}.hero-visual>img{border-radius:30px;aspect-ratio:4/5;object-fit:cover;box-shadow:var(--shadow-hover)}.float-panel{position:absolute;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);padding:16px;border-radius:18px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8)}.float-panel--one{left:-32px;bottom:28px}.float-panel--two{right:-20px;top:30px}.float-panel strong{display:block;font-size:25px;color:var(--navy)}
.chip-row{display:flex;gap:10px;overflow:auto;padding:4px 0 8px;scrollbar-width:thin}.chip{flex:0 0 auto;background:white;border:1px solid var(--line-strong);padding:9px 14px;border-radius:999px}.chip:hover{background:var(--sky-soft)}.video-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.video-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.video-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.video-card{min-width:0}.media-thumb{position:relative;display:block;overflow:hidden;border-radius:18px;background:var(--sky-soft);aspect-ratio:16/9}.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.video-card:hover .media-thumb img{transform:scale(1.02)}.play-icon{position:absolute;left:16px;bottom:14px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--navy);transition:transform .2s}.video-card:hover .play-icon{transform:scale(1.06)}.duration{position:absolute;right:10px;bottom:10px;background:rgba(15,42,61,.78);color:white;border-radius:8px;padding:3px 7px;font-size:12px}.card-body{padding:13px 3px 0}.meta-line,.creator-line{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--text-2);font-size:12px}.video-card h3,.live-card h3,.anchor-card h3,.discussion-card h3{font-size:18px;line-height:1.35;margin:8px 0}.video-card p,.live-card p,.anchor-card p,.discussion-card p{margin:0;color:var(--text-2);font-size:14px}.pill{display:inline-flex;padding:4px 8px;border-radius:999px;background:var(--sky-soft);color:var(--navy-2);font-weight:750}.reason{color:var(--accent)}.feature-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:30px}.feature-main .media-thumb{aspect-ratio:16/9}.feature-main h3{font-size:30px}.mini-stack{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini-stack .video-card h3{font-size:15px}.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:18px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x proximity}.rail>*{scroll-snap-align:start}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}.magazine-grid>*:first-child{grid-row:1/3}.bento-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}.bento-card{padding:26px;border-radius:24px;background:var(--surface);border:1px solid var(--line)}.bento-card--tall{grid-row:span 2;background:var(--cream-2)}.bento-card--blue{background:var(--sky-soft)}.bento-card--accent{background:var(--accent-soft)}.rank-list{display:grid;gap:8px}.rank-row{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);data-count-unit:1}.rank-num{font-weight:900;font-size:20px;color:var(--primary)}.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}.live-stage{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);gap:22px}.live-main{border-radius:26px;overflow:hidden;background:var(--navy);color:white}.live-main img{width:100%;aspect-ratio:16/9;object-fit:cover}.live-main .card-body{padding:22px}.live-stack{display:grid;gap:14px}.live-card{background:var(--surface);border-radius:18px;overflow:hidden;border:1px solid var(--line)}.live-card .card-body{padding:14px}.live-image{position:relative}.live-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.live-badge{position:absolute;left:10px;top:10px;background:var(--accent);color:white;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:850}.anchor-rail{display:grid;grid-auto-flow:column;grid-auto-columns:190px;gap:18px;overflow-x:auto;padding-bottom:8px}.anchor-card{background:var(--surface-cream);border:1px solid var(--line);padding:16px;border-radius:22px}.anchor-card>img{width:88px;height:88px;border-radius:50%;object-fit:cover;margin-bottom:12px}.anchor-card--wide{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center}.anchor-card--wide>img{width:120px;height:150px;border-radius:18px;margin:0}.anchor-direction{font-weight:750;color:var(--primary)!important}.discussion-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.discussion-card{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:20px;border-radius:20px;background:var(--surface);border:1px solid var(--line)}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--sky-light);color:var(--navy);font-weight:900}.related-line{margin-top:10px;padding:8px 10px;border-radius:10px;background:var(--sky-soft);font-size:13px;color:var(--navy-2)}.timeline{display:grid;gap:0}.timeline .discussion-card{border-radius:0;border-width:0 0 1px;background:transparent}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud a{padding:10px 14px;border-radius:14px;background:var(--surface);border:1px solid var(--line)}.trend-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.trend-item{padding:18px 0;border-bottom:1px solid var(--line)}.trend-bar{height:7px;background:var(--sky-light);border-radius:999px;overflow:hidden;margin-top:10px}.trend-bar span{display:block;height:100%;background:var(--primary);border-radius:999px}.story-card{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:28px;align-items:center}.story-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:26px}.device-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}.device-visual{position:relative;display:grid;place-items:center}.device-visual img{max-height:520px;border-radius:30px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.feature-item{padding:18px;background:var(--surface);border-radius:16px;border:1px solid var(--line)}.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{position:relative;padding:22px;background:var(--surface);border-radius:20px;border:1px solid var(--line)}.step:before{counter-increment:steps;content:counter(steps);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:white;font-weight:850;margin-bottom:14px}.notice-panel{padding:24px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 18px 18px 0}.faq-list{display:grid;gap:10px;max-width:960px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 18px}.faq-item summary{font-weight:800;padding:18px 4px;cursor:pointer}.faq-item p{margin:0 0 18px;color:var(--text-2)}.site-footer{background:var(--navy);color:#d8e5ed;padding:64px 0 100px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:30px}.footer-grid>div{display:grid;align-content:start;gap:8px}.footer-grid h3{margin:0 0 8px;color:white}.footer-grid a{color:#d8e5ed}.footer-grid p{color:#a9c0cf;max-width:380px}.brand--footer b{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#9fb6c4}.mobile-bottom-nav{display:none}.back-top{position:fixed;right:20px;bottom:22px;z-index:900;width:44px;height:44px;border-radius:50%;border:0;background:var(--navy);color:white;box-shadow:var(--shadow)}.back-top[hidden]{display:none!important}.page-hero{padding:66px 0 46px;background:linear-gradient(135deg,var(--cream),var(--sky-soft))}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.page-hero h1{font-size:clamp(42px,6vw,68px);line-height:1.05;margin:12px 0 18px;letter-spacing:-.04em}.page-hero p{color:var(--text-2);font-size:18px;max-width:720px}.page-hero img{border-radius:28px;aspect-ratio:16/11;object-fit:cover}.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.stat{padding:10px 14px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:14px}.empty-state{padding:50px;text-align:center;background:var(--sky-soft);border-radius:24px}.search-results{display:grid;gap:30px}.search-result-group{padding:24px;background:white;border-radius:22px;border:1px solid var(--line)}
@media (max-width:1080px){.main-nav{display:none}.header-actions{margin-left:auto}.hero-grid,.page-hero-grid{grid-template-columns:1fr}.hero-visual{max-width:700px}.video-grid{grid-template-columns:repeat(3,1fr)}.feature-layout,.live-stage,.device-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid>div:nth-child(n+4){margin-top:16px}.steps{grid-template-columns:1fr 1fr}.bento-grid,.magazine-grid{grid-template-columns:1fr 1fr}.magazine-grid>*:first-child{grid-row:auto;grid-column:1/3}}
@media (max-width:720px){.wrap{width:min(100% - 28px,var(--wrap))}.top-note{font-size:11px}.header-row{min-height:64px}.brand img{width:36px;height:36px}.brand small{display:none}.header-actions .icon-btn:nth-of-type(2),.header-actions .button{display:none}.section{padding:52px 0}.section-head{align-items:flex-start;flex-direction:column;gap:8px}.hero{padding:42px 0}.hero-grid{display:block}.hero h1{font-size:44px}.hero-visual{margin-top:34px}.float-panel--one{left:8px}.float-panel--two{right:8px}.search-form,.hero-search{flex-direction:column}.video-grid,.video-grid--3,.video-grid--2{grid-template-columns:1fr 1fr;gap:16px}.feature-layout,.split-layout,.discussion-grid,.trend-grid,.story-card{grid-template-columns:1fr}.mini-stack{grid-template-columns:1fr 1fr}.bento-grid,.magazine-grid{display:grid;grid-template-columns:1fr}.magazine-grid>*:first-child{grid-column:auto}.rail{grid-auto-columns:82%}.anchor-rail{grid-auto-columns:170px}.feature-list{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/3}.footer-bottom{flex-direction:column}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:1000;background:rgba(255,253,248,.95);backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:9px 8px calc(9px + env(safe-area-inset-bottom))}.mobile-bottom-nav a{text-align:center;font-size:12px;color:var(--navy)}.back-top{bottom:78px}.site-footer{padding-bottom:130px}.mega-grid{grid-template-columns:1fr 1fr}.page-hero{padding:46px 0 34px}.anchor-card--wide{grid-template-columns:90px 1fr}.anchor-card--wide>img{width:90px;height:120px}.search-dialog{margin-top:4vh;padding:20px}.search-dialog-head h2{font-size:28px}}
@media (max-width:480px){.video-grid,.video-grid--3,.video-grid--2{grid-template-columns:1fr}.mini-stack{grid-template-columns:1fr}.header-actions{gap:4px}.icon-btn{padding:8px 10px}.hero h1{font-size:38px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}