: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}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1200;background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px}.skip-link:focus{top:12px}.site-notice{background:var(--cream-2);border-bottom:1px solid var(--line-warm);font-size:13px}.notice-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:18px}.notice-inner a{color:var(--navy);font-weight:700}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,238,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(74,155,212,.08)}.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{border-radius:14px}.brand span{display:flex;flex-direction:column;line-height:1.12}.brand strong{font-size:19px;color:var(--navy)}.brand small{font-size:9px;letter-spacing:.13em;color:var(--text-3)}.desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.desktop-nav a,.header-actions>a,.icon-button{border:0;background:transparent;padding:9px 12px;border-radius:var(--radius-pill);font-size:14px;cursor:pointer}.desktop-nav a:hover,.desktop-nav a.active,.header-actions>a:hover,.icon-button:hover{background:var(--sky-soft);color:var(--navy)}.desktop-nav a.active{font-weight:800}.header-actions{display:flex;align-items:center;gap:4px}.mega-menu{position:fixed;z-index:70;top:112px;left:0;right:0;background:rgba(255,253,248,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.mega-menu[hidden]{display:none!important}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-block:22px}.mega-grid a{padding:14px;border-radius:16px;background:var(--surface-blue);font-weight:800}.mega-grid small{display:block;margin-top:4px;color:var(--text-2);font-weight:500}.eyebrow{display:inline-block;color:var(--primary);font-size:12px;letter-spacing:.12em;font-weight:800;text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);font-weight:800;cursor:pointer}.button-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.button-secondary{background:var(--cream);color:var(--navy)}.button-link{border:0;padding-inline:0;min-height:auto;color:var(--primary);background:transparent}.page-section{padding:72px 0}.page-section--tight{padding:48px 0}.section-blue{background:var(--bg-blue)}.section-cream{background:var(--bg-cream)}.section-dark{background:var(--navy);color:#fff}.section-dark .section-lead,.section-dark .meta-row,.section-dark .video-card p,.section-dark .content-kicker{color:rgba(255,255,255,.72)}.section-header{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-header h2{margin:5px 0 0;font-size:clamp(28px,4vw,46px);line-height:1.1;color:var(--navy)}.section-dark .section-header h2{color:#fff}.section-lead{max-width:620px;margin:0;color:var(--text-2)}.section-header--center{display:block;text-align:center}.section-header--center .section-lead{margin:10px auto 0}.section-header--stack{display:block}.section-header--rank{align-items:center}.prose{color:var(--text-2);font-size:16px}.hero-split{display:grid;grid-template-columns:minmax(0,7fr) minmax(340px,5fr);gap:44px;align-items:center;padding:66px 0 72px}.hero-copy h1,.page-hero h1{font-size:clamp(42px,6vw,78px);line-height:1.02;letter-spacing:-.04em;margin:12px 0 22px;color:var(--navy)}.hero-copy p{font-size:18px;color:var(--text-2);max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.hero-search{display:flex;gap:8px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);max-width:680px;box-shadow:var(--shadow)}.hero-search input{flex:1;border:0;background:transparent;padding:0 14px;min-width:0;outline:none}.hero-visual{position:relative;min-height:540px;border-radius:32px;overflow:hidden;background:linear-gradient(145deg,var(--cream),var(--sky-soft));border:1px solid var(--line)}.hero-visual>img{width:100%;height:100%;min-height:540px;object-fit:cover}.floating-panel{position:absolute;max-width:280px;padding:18px;border-radius:20px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6)}.floating-panel--top{top:24px;right:24px}.floating-panel--bottom{bottom:24px;left:24px}.floating-panel strong{display:block;font-size:19px;margin:3px 0}.floating-panel small{color:var(--text-2)}.page-hero{padding:70px 0 54px;background:linear-gradient(135deg,var(--cream) 0%,var(--sky-soft) 100%)}.page-hero p{max-width:820px;font-size:18px;color:var(--text-2)}
.chip-rail,.horizontal-rail,.anchor-rail,.related-rail{display:flex;gap:12px;overflow-x:auto;overscroll-behavior-inline:contain;scroll-snap-type:x proximity;padding-bottom:8px;scrollbar-width:thin}.chip{flex:0 0 auto;padding:9px 15px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-pill);font-weight:700;color:var(--navy)}.chip:hover{border-color:var(--primary);color:var(--primary)}
.feature-1-4{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}.feature-1-4>.feature-main{grid-row:span 2}.feature-side-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.magazine-2-3{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.magazine-2-3>*:nth-child(1),.magazine-2-3>*:nth-child(2){grid-column:span 3}.magazine-2-3>*:nth-child(n+3){grid-column:span 2}.video-rank-split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:28px}.rank-list{display:grid;gap:4px;counter-reset:rank}.rank-row{counter-increment:rank;display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.rank-row::before{content:counter(rank,decimal-leading-zero);font-weight:900;font-size:21px;color:var(--primary)}.rank-row small{color:var(--text-3)}
.horizontal-rail>*{flex:0 0 min(360px,82vw);scroll-snap-align:start}.video-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.video-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.video-feed{display:grid;gap:12px}.video-feed .video-card{display:grid;grid-template-columns:260px 1fr;align-items:center}.video-feed .video-thumb{height:146px}.feature-alternate{display:grid;gap:24px}.feature-alternate .feature-story{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.feature-alternate .feature-story:nth-child(even) .feature-image{order:2}.feature-image{border-radius:var(--radius-large);overflow:hidden;aspect-ratio:16/10}.feature-image img{width:100%;height:100%;object-fit:cover}.bento-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:repeat(2,minmax(210px,auto));gap:16px}.bento-grid>*{min-width:0}.bento-grid>*:first-child{grid-row:span 2}.bento-card{position:relative;overflow:hidden;border-radius:var(--radius-card);min-height:220px;background:var(--surface-blue)}.bento-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.bento-card .overlay-copy{position:absolute;left:0;right:0;bottom:0;padding:48px 18px 18px;background:linear-gradient(transparent,rgba(15,42,61,.78));color:#fff}.live-stage{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(300px,.7fr);gap:20px}.live-stage-main{position:relative;min-height:440px;border-radius:var(--radius-large);overflow:hidden;background:var(--navy)}.live-stage-main img{width:100%;height:100%;object-fit:cover;opacity:.75}.live-stage-copy{position:absolute;inset:auto 0 0;padding:70px 28px 28px;background:linear-gradient(transparent,rgba(15,42,61,.92));color:#fff}.live-side{display:grid;gap:12px}.anchor-rail>*{flex:0 0 180px;scroll-snap-align:start}.anchor-status-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.community-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.timeline{position:relative;display:grid;gap:0}.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;padding:0 0 26px 38px}.timeline-item::before{content:"";position:absolute;left:5px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:4px solid var(--bg)}.tag-trend-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;align-content:start}.trend-bars{display:grid;gap:14px}.trend-bar{padding:14px 16px;background:#fff;border-radius:14px;border:1px solid var(--line)}.trend-bar span{display:block;height:7px;margin-top:9px;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--sky-light));max-width:var(--bar,70%)}.editor-note{display:grid;grid-template-columns:.7fr 1.3fr;gap:28px;padding:30px;border:1px solid var(--line-warm);border-radius:var(--radius-large);background:var(--cream)}.editor-note blockquote{margin:0;font-size:clamp(22px,3vw,36px);line-height:1.3;color:var(--navy)}.creator-story{display:grid;grid-template-columns:360px 1fr;gap:30px;align-items:center}.creator-story img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-large)}.app-showcase{display:grid;grid-template-columns:.95fr 1.05fr;gap:42px;align-items:center}.device-stack{position:relative;min-height:520px}.device-stack img{position:absolute;max-height:500px;width:auto;border-radius:28px}.device-stack img:first-child{left:6%;bottom:0}.device-stack img:last-child{right:8%;top:0}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}.step{counter-increment:step;padding:24px;background:var(--surface-blue);border-radius:var(--radius-card)}.step::before{content:"0" counter(step);display:block;color:var(--primary);font-weight:900;font-size:13px;letter-spacing:.08em;margin-bottom:18px}.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.compare-card{padding:26px;border-radius:var(--radius-card);border:1px solid var(--line);background:#fff}.faq-list{display:grid;gap:10px}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 0;border:0;background:transparent;text-align:left;font-weight:800;cursor:pointer}.faq-answer{padding:0 0 18px;color:var(--text-2)}.faq-answer[hidden]{display:none!important}.related-rail>*{flex:0 0 300px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:24px;border-radius:var(--radius-card);background:var(--surface-blue);border:1px solid var(--line)}.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}.list-panel{padding:24px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--line)}.quote-band{padding:38px;border-radius:var(--radius-large);background:var(--cream-2);font-size:22px;color:var(--navy)}
.video-card{min-width:0}.video-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius-card);background:var(--sky-soft)}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.video-card:hover .video-thumb img{transform:scale(1.02)}.play-icon{position:absolute;left:14px;bottom:14px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.88);color:var(--navy);transition:transform .2s}.video-card:hover .play-icon{transform:scale(1.06)}.duration{position:absolute;right:10px;bottom:10px;padding:3px 7px;border-radius:7px;background:rgba(15,42,61,.78);color:#fff;font-size:12px}.video-copy{padding:14px 2px 0}.video-copy h3{font-size:18px;line-height:1.35;margin:5px 0 7px;color:var(--navy)}.video-copy p{font-size:14px;margin:0;color:var(--text-2)}.content-kicker{font-size:12px;color:var(--primary);font-weight:800}.meta-row{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--text-3);font-size:12px;margin-top:10px}.live-card{overflow:hidden;border-radius:var(--radius-card);background:#fff;border:1px solid var(--line)}.live-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}.live-thumb img{width:100%;height:100%;object-fit:cover}.live-badge{position:absolute;left:12px;top:12px;padding:5px 9px;border-radius:999px;background:var(--accent);color:#fff;font-weight:900;font-size:11px;letter-spacing:.08em}.live-copy{padding:16px}.live-copy h3{margin:6px 0;color:var(--navy)}.live-copy p{margin:0;color:var(--text-2);font-size:14px}.anchor-card{display:flex;gap:16px;align-items:flex-start;padding:18px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--line)}.anchor-card img{width:82px;height:82px;object-fit:cover;border-radius:50%}.anchor-card--rail{display:block;text-align:center}.anchor-card--rail img{width:112px;height:112px;margin:0 auto 12px}.anchor-card h3{margin:4px 0}.anchor-card p{font-size:13px;color:var(--text-2);margin:7px 0}.anchor-card small{color:var(--text-3)}.status-dot{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--accent);font-weight:800}.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}.topic-card{padding:20px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--line)}.topic-meta,.topic-related{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-3)}.topic-card h3{margin:8px 0;color:var(--navy)}.topic-card p{color:var(--text-2);font-size:14px}.topic-related{padding-top:12px;border-top:1px solid var(--line)}.topic-related strong{color:var(--primary)}.topic-card small{display:block;margin-top:10px;color:var(--text-3)}
.search-modal{display:none;position:fixed;inset:0;z-index:1000;align-items:flex-start;justify-content:center;padding:10vh 20px;background:rgba(15,42,61,.42)}.search-modal.is-open{display:flex}.search-modal[hidden]{display:none !important}body.search-open{overflow:hidden}.search-dialog{width:min(720px,100%);padding:26px;border-radius:26px;background:var(--surface);box-shadow:0 28px 90px rgba(15,42,61,.22)}.search-dialog-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.search-dialog h2{margin:4px 0 18px;color:var(--navy);font-size:32px}.search-close{border:0;background:var(--sky-soft);width:42px;height:42px;border-radius:50%;font-size:24px;cursor:pointer}.search-dialog label{display:block;font-weight:700;margin-bottom:8px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line-strong);border-radius:14px;padding:12px 14px;outline:none}.search-row input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(74,155,212,.12)}.search-suggestions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px}.search-suggestions a{padding:6px 10px;border-radius:999px;background:var(--sky-soft);font-size:13px}.noscript-search{text-align:center;padding:10px;background:var(--accent-soft)}
.site-footer{background:var(--navy);color:#fff;padding:58px 0 92px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}.footer-grid h2{font-size:14px;margin:0 0 14px;color:var(--sky-light)}.footer-grid>div>a:not(.brand){display:block;color:rgba(255,255,255,.72);margin:8px 0}.brand--footer strong{color:#fff}.brand--footer small{color:rgba(255,255,255,.55)}.footer-brand p{color:rgba(255,255,255,.62);max-width:360px}.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;margin-top:34px;color:rgba(255,255,255,.55);font-size:13px}.footer-bottom div{display:flex;gap:16px}.mobile-bottom{display:none}.back-to-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;box-shadow:var(--shadow);cursor:pointer;opacity:0;pointer-events:none;transition:.2s;z-index:50}.back-to-top.is-visible{opacity:1;pointer-events:auto}
@media(max-width:1050px){.desktop-nav{display:none}.header-actions{margin-left:auto}.hero-split{grid-template-columns:1fr;gap:26px}.hero-visual{min-height:430px}.hero-visual>img{min-height:430px}.feature-1-4,.video-rank-split,.live-stage,.anchor-status-grid,.tag-trend-grid,.editor-note,.creator-story,.app-showcase{grid-template-columns:1fr}.video-grid-4{grid-template-columns:repeat(2,1fr)}.video-grid-3{grid-template-columns:repeat(2,1fr)}.bento-grid{grid-template-columns:repeat(2,1fr);grid-template-rows:auto}.bento-grid>*:first-child{grid-row:auto;grid-column:span 2}.steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.device-stack{min-height:440px}.creator-story img{max-width:420px}.mega-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.site-notice{display:none}.site-header{top:0}.header-inner{min-height:66px}.brand small{display:none}.header-actions>a{display:none}.page-section{padding:52px 0}.section-header{display:block}.section-lead{margin-top:10px}.hero-split{padding:40px 0 54px}.hero-copy h1,.page-hero h1{font-size:42px}.hero-copy p,.page-hero p{font-size:16px}.hero-visual,.hero-visual>img{min-height:340px}.floating-panel{max-width:220px;padding:13px}.floating-panel--top{top:14px;right:14px}.floating-panel--bottom{bottom:14px;left:14px}.hero-search{border-radius:18px;align-items:stretch}.hero-search .button{padding-inline:14px}.feature-1-4{display:block}.feature-side-grid{margin-top:16px;grid-template-columns:repeat(2,minmax(220px,72vw));overflow-x:auto}.magazine-2-3{display:flex;overflow-x:auto}.magazine-2-3>*{flex:0 0 78vw}.video-grid-3{grid-template-columns:1fr}.video-grid-4{grid-template-columns:repeat(2,1fr);gap:12px}.video-grid-4 .video-copy p{display:none}.video-feed .video-card{grid-template-columns:120px 1fr}.video-feed .video-thumb{height:82px}.video-feed .video-copy p{display:none}.feature-alternate .feature-story{grid-template-columns:1fr}.feature-alternate .feature-story:nth-child(even) .feature-image{order:0}.bento-grid{display:flex;overflow-x:auto}.bento-grid>*{flex:0 0 82vw}.bento-grid>*:first-child{grid-column:auto}.live-stage{display:block}.live-side{display:flex;overflow-x:auto;margin-top:14px}.live-side>*{flex:0 0 76vw}.community-columns,.split-panel,.compare-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.info-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;padding-bottom:20px}.footer-bottom div{margin-top:8px}.mobile-bottom{position:fixed;z-index:60;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,248,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:8px 6px max(8px,env(safe-area-inset-bottom))}.mobile-bottom a{text-align:center;font-size:12px;padding:6px 2px}.site-footer{padding-bottom:128px}.back-to-top{bottom:76px}.mega-menu{top:66px}.mega-grid{grid-template-columns:repeat(2,1fr);max-height:70vh;overflow-y:auto}.search-modal{padding:7vh 14px}.search-dialog{padding:20px}.search-row{display:grid}.device-stack{min-height:380px}.device-stack img{max-height:360px}}
@media(max-width:470px){.video-grid-4{display:flex;overflow-x:auto}.video-grid-4>*{flex:0 0 76vw}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.mega-grid{grid-template-columns:1fr}.hero-actions{display:grid}.button{width:100%}.header-actions{gap:0}.icon-button{padding-inline:9px}.community-columns .topic-card:nth-child(n+7){display:none}}