: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;-webkit-font-smoothing:antialiased}
body.search-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{color:inherit}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline: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:16px;top:10px;z-index:2000;background:var(--navy);color:#fff;padding:9px 14px;border-radius:10px;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.top-note{font-size:13px;text-align:center;padding:6px 16px;background:linear-gradient(90deg,var(--cream-2),var(--sky-soft),var(--cream));color:var(--navy-soft);border-bottom:1px solid var(--line)}
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,249,238,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(74,155,212,.10);transition:box-shadow .2s,border-color .2s}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(31,88,124,.08);border-color:var(--line-strong)}
.header-inner{min-height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:20px;white-space:nowrap}
.brand img{width:42px;height:42px;object-fit:cover;border-radius:13px}
.desktop-nav{display:flex;gap:4px;align-items:center;flex:1}
.desktop-nav a{padding:9px 13px;border-radius:var(--radius-pill);font-size:15px;color:var(--navy-soft)}
.desktop-nav a:hover,.desktop-nav a.is-active{background:var(--sky-soft);color:var(--navy)}
.header-actions{display:flex;align-items:center;gap:6px}
.icon-btn{border:1px solid transparent;background:transparent;border-radius:12px;padding:8px 10px;cursor:pointer;color:var(--navy-soft);display:inline-flex;align-items:center;gap:5px}
.icon-btn:hover{border-color:var(--line);background:#fff}
.mega-menu{background:rgba(255,253,248,.98);border-top:1px solid var(--line);box-shadow:var(--shadow)}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:20px 0 24px}
.mega-grid a{padding:13px 14px;border-radius:14px;background:var(--surface-blue);display:flex;justify-content:space-between;align-items:center}
.mega-grid a:hover{background:var(--sky-light)}
.page-hero{position:relative;overflow:hidden;padding:64px 0 54px;background:radial-gradient(circle at 80% 14%,rgba(140,204,240,.34),transparent 26%),linear-gradient(135deg,var(--cream) 0%,#fffdf8 45%,var(--sky-soft) 100%)}
.page-hero:after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(74,155,212,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(74,155,212,.035) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 92%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(320px,5fr);gap:48px;align-items:center}
.hero-copybox h1{font-size:clamp(40px,5vw,72px);line-height:1.05;letter-spacing:-.035em;margin:12px 0 20px;color:var(--navy);max-width:820px}
.hero-copy{font-size:18px;color:var(--navy-soft);max-width:760px;margin:0 0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:13px;border:1px solid var(--primary);background:var(--primary);color:#fff;font-weight:750;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(74,155,212,.18)}
.btn--secondary{background:var(--cream);border-color:var(--line-strong);color:var(--navy)}
.btn--warm{background:var(--accent);border-color:var(--accent)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line-strong)}
.hero-media{position:relative}
.hero-media>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:34px;box-shadow:0 18px 54px rgba(31,88,124,.14)}
.hero-panel{position:absolute;right:-14px;bottom:18px;width:min(76%,320px);padding:16px 18px;border:1px solid rgba(255,255,255,.65);background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-radius:18px;box-shadow:var(--shadow)}
.hero-panel strong{color:var(--navy);font-size:15px}
.hero-panel p{margin:6px 0 0;font-size:13px;color:var(--text-2)}
.section{padding:64px 0}
.section--tight{padding:42px 0}
.section--blue{background:var(--bg-blue)}
.section--cream{background:var(--bg-cream)}
.section--dark{background:var(--navy);color:#f6fbff}
.section--dark .section-head h2,.section--dark h2,.section--dark h3{color:#fff}
.section--dark .section-lead,.section--dark p,.section--dark small{color:#cfe2ee}
.section--dark .text-link{color:var(--sky)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-head__copy{max-width:820px}
.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.14;letter-spacing:-.02em;margin:6px 0 9px;color:var(--navy)}
.section-lead{margin:0;color:var(--text-2);font-size:16px;max-width:780px}
.text-link{font-weight:750;color:var(--primary);white-space:nowrap}
.chips{display:flex;gap:10px;overflow:auto;padding:2px 0 7px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip,.chips a{display:inline-flex;align-items:center;white-space:nowrap;border-radius:var(--radius-pill);padding:6px 11px;border:1px solid var(--line);background:var(--surface-blue);font-size:12px;color:var(--navy-soft)}
.chips a{padding:9px 15px;background:#fff;font-size:14px}
.chips a:hover{border-color:var(--primary);color:var(--primary)}
.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:18px}
.video-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.video-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .18s,border-color .18s,box-shadow .18s}
.video-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.video-card--flat{border:0;background:transparent;border-radius:0}
.video-card--soft{background:var(--surface-blue)}
.media-frame{position:relative;display:block;overflow:hidden;background:var(--sky-soft);aspect-ratio:16/9}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .18s}
.video-card:hover .media-frame img{transform:scale(1.02)}
.play-mark{position:absolute;left:14px;bottom:13px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--primary);font-size:14px;box-shadow:0 6px 18px rgba(0,0,0,.12);transition:transform .18s}
.video-card:hover .play-mark{transform:scale(1.06)}
.duration{position:absolute;right:10px;bottom:10px;background:rgba(15,42,61,.78);color:#fff;padding:3px 7px;border-radius:8px;font-size:11px}
.card-body{padding:16px}
.card-body h3{margin:8px 0 8px;font-size:18px;line-height:1.35;color:var(--navy)}
.card-body p{margin:0;color:var(--text-2);font-size:14px}
.meta-row,.card-foot{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--text-3);font-size:12px}
.card-foot{justify-content:space-between;margin-top:14px}
.feature-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:24px}
.feature-main .video-card .card-body h3{font-size:25px}
.feature-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.horizontal-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,360px);gap:18px;overflow:auto;padding-bottom:10px;scroll-snap-type:x proximity;scrollbar-color:var(--sky-light) transparent}
.horizontal-rail>*{scroll-snap-align:start}
.rank-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:26px;align-items:start}
.rank-list{margin:0;padding:0;list-style:none;display:grid;gap:3px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.rank-item{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.rank-item:last-child{border:0}
.rank-no{font-size:22px;font-weight:900;color:var(--primary);font-variant-numeric:tabular-nums}
.rank-item div{display:grid;gap:2px}
.rank-item small,.rank-state{color:var(--text-3);font-size:12px}
.masonry-grid{columns:4 240px;column-gap:18px}
.masonry-grid .video-card{break-inside:avoid;margin-bottom:18px}
.masonry-grid .video-card:nth-child(3n) .media-frame{aspect-ratio:4/5}
.masonry-grid .video-card:nth-child(4n) .media-frame{aspect-ratio:1/1}
.bento-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(160px,auto);gap:18px}
.bento-card{position:relative;overflow:hidden;border-radius:22px;min-height:180px;background:var(--surface-blue);border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;justify-content:end}
.bento-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}
.bento-card:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(23,52,74,.82),transparent 75%)}
.bento-card>*:not(img){position:relative;z-index:1;color:#fff}
.bento-card h3{margin:8px 0 4px;font-size:20px}
.bento-card p{margin:0;font-size:13px;color:#e8f5fb}
.bento-card:nth-child(1){grid-column:span 2;grid-row:span 2}
.bento-card:nth-child(4){grid-column:span 2}
.live-stage{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(330px,.5fr);gap:24px;align-items:start}
.live-card{background:var(--surface);border:1px solid var(--line-warm);border-radius:var(--radius-card);overflow:hidden}
.live-card__visual{position:relative;aspect-ratio:16/9;overflow:hidden;background:#edf7fc}
.live-card__visual img{width:100%;height:100%;object-fit:cover}
.live-badge{position:absolute;left:12px;top:12px;background:var(--accent);color:#fff;border-radius:var(--radius-pill);padding:5px 9px;font-size:11px;font-weight:900;letter-spacing:.06em}
.live-side{display:grid;gap:12px}
.live-side .live-card{display:grid;grid-template-columns:140px 1fr}
.live-side .live-card__visual{aspect-ratio:auto;min-height:124px}
.live-side .card-body{padding:12px}
.live-side .card-body p{display:none}
.anchor-rail{display:grid;grid-auto-flow:column;grid-auto-columns:190px;gap:18px;overflow:auto;padding-bottom:9px;scrollbar-width:thin}
.anchor-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;display:flex;gap:16px;align-items:flex-start}
.anchor-card>img{width:84px;height:84px;object-fit:cover;border-radius:50%;flex:0 0 auto}
.anchor-card h3{margin:4px 0 2px;color:var(--navy)}
.anchor-card p{margin:4px 0;color:var(--text-2);font-size:14px}
.anchor-card small{color:var(--text-3)}
.anchor-card--vertical{display:block;text-align:center}
.anchor-card--vertical>img{width:104px;height:104px;margin:0 auto 12px}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.anchor-direction{font-weight:700;color:var(--primary)!important}
.anchor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.topic-card{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}
.topic-card__avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--sky-light),var(--cream-2));font-weight:900;color:var(--navy)}
.topic-card h3{margin:7px 0 6px;font-size:17px;color:var(--navy)}
.topic-card p{margin:0;color:var(--text-2);font-size:14px}
.topic-related{display:flex;gap:8px;margin:10px 0 6px;font-size:12px;color:var(--primary)}
.timeline{position:relative;display:grid;gap:0}
.timeline:before{content:"";position:absolute;left:18px;top:6px;bottom:6px;width:1px;background:var(--line-strong)}
.timeline .topic-card{border:0;border-radius:0;border-bottom:1px solid var(--line);background:transparent;padding-left:0}
.magazine-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;grid-template-rows:auto auto;gap:18px}
.magazine-grid>*:first-child{grid-row:span 2}
.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.split-feature__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:26px}
.split-feature__copy h2{font-size:36px;line-height:1.15;margin:8px 0 14px;color:var(--navy)}
.split-feature__copy p{color:var(--text-2)}
.split-feature--reverse .split-feature__media{order:2}
.creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.creator-card{padding:22px;border-radius:22px;background:linear-gradient(155deg,#fff,var(--surface-blue));border:1px solid var(--line)}
.creator-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;margin-bottom:15px}
.creator-card h3{margin:5px 0 7px;color:var(--navy)}
.creator-card p{margin:0;color:var(--text-2)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.channel-card{padding:18px;border-radius:20px;background:var(--surface);border:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start}
.channel-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--sky-soft);color:var(--primary);font-weight:900}
.channel-card h3{margin:0 0 5px;color:var(--navy);font-size:17px}
.channel-card p{margin:0;color:var(--text-2);font-size:13px}
.trend-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:30px}
.trend-list{display:grid;gap:14px}
.trend-row{display:grid;grid-template-columns:120px 1fr 44px;gap:14px;align-items:center}
.trend-track{height:9px;background:var(--sky-soft);border-radius:var(--radius-pill);overflow:hidden}
.trend-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--sky))}
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap;align-content:flex-start}
.tag-cloud a{padding:8px 12px;border-radius:999px;background:var(--cream);border:1px solid var(--line-warm);color:var(--navy-soft)}
.editor-note{padding:30px;border-left:4px solid var(--primary);background:var(--surface-blue);border-radius:0 20px 20px 0;font-size:18px;color:var(--navy-soft)}
.editor-note strong{color:var(--navy)}
.story-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.story-card{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;background:var(--cream);border-radius:22px;padding:16px;border:1px solid var(--line-warm)}
.story-card img{width:100%;height:160px;object-fit:cover;border-radius:16px}
.story-card h3{margin:4px 0 8px;color:var(--navy)}
.story-card p{margin:0;color:var(--text-2)}
.topic-banner{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.topic-banner__main{padding:36px;border-radius:26px;background:linear-gradient(145deg,var(--navy),#244a64);color:#fff}
.topic-banner__main h2{font-size:38px;line-height:1.12;margin:8px 0 14px}
.topic-banner__main p{color:#d8e9f2}
.topic-banner__aside{display:grid;gap:12px}
.info-tile{padding:18px;border-radius:18px;background:var(--surface-blue);border:1px solid var(--line)}
.info-tile h3{margin:0 0 6px;color:var(--navy)}
.info-tile p{margin:0;color:var(--text-2);font-size:14px}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{counter-increment:step;position:relative;padding:22px 18px 20px;background:#fff;border:1px solid var(--line);border-radius:20px}
.step:before{content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--sky-soft);color:var(--primary);font-weight:900;margin-bottom:14px}
.step h3{margin:0 0 7px;color:var(--navy)}
.step p{margin:0;color:var(--text-2);font-size:14px}
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.compare-card{padding:24px;border-radius:22px;border:1px solid var(--line);background:var(--surface)}
.compare-card.is-good{background:var(--sky-soft)}
.compare-card h3{margin-top:0;color:var(--navy)}
.compare-card ul{padding-left:19px;color:var(--text-2)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:22px}
.service-card h3{margin:0 0 7px;color:var(--navy)}
.service-copy,.service-card p{color:var(--text-2)}
.app-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}
.app-devices{position:relative;min-height:420px}
.app-devices .app-shot{position:absolute;width:68%;left:0;top:0;border-radius:30px;box-shadow:var(--shadow-hover)}
.app-devices .phone-shot{position:absolute;width:43%;right:5%;bottom:0;border-radius:34px;box-shadow:var(--shadow-hover);border:8px solid #fff}
.faq-list{display:grid;gap:10px;max-width:960px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:16px 18px;display:flex;justify-content:space-between;gap:20px;cursor:pointer;font-weight:750;color:var(--navy)}
.faq-answer{padding:0 18px 17px;color:var(--text-2)}
.faq-answer p{margin:0}
.notice-box{padding:20px 22px;border-radius:18px;background:var(--accent-soft);border:1px solid var(--line-warm);color:#754d3d}
.empty-state{padding:42px;text-align:center;border:1px dashed var(--line-strong);border-radius:22px;background:var(--surface-blue)}
.search-results{display:grid;gap:14px}
.search-result{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.search-result h3{margin:4px 0;color:var(--navy)}
.search-result p{margin:0;color:var(--text-2)}
.search-modal{display:none;position:fixed;inset:0;z-index:1500;background:rgba(15,42,61,.56);padding:8vh 20px 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:24px;padding:24px;box-shadow:0 26px 90px rgba(8,32,48,.24);border:1px solid rgba(255,255,255,.7)}
.search-dialog__head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.search-dialog__head h2{margin:4px 0 18px;color:var(--navy);font-size:28px}
.search-close{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:24px;line-height:1}
.search-form{display:grid;grid-template-columns:1fr auto;gap:10px}
.search-form input{width:100%;border:1px solid var(--line-strong);background:#fff;border-radius:13px;padding:11px 13px;outline:none}
.search-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.10)}
.search-suggestions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--text-3)}
.search-suggestions a{color:var(--primary);background:var(--sky-soft);padding:4px 8px;border-radius:999px}
.site-footer{background:var(--navy);color:#d9eaf3;padding:54px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:30px}
.footer-brand img{width:54px;height:54px;border-radius:16px;margin-bottom:12px}
.footer-brand strong{display:block;font-size:22px;color:#fff}
.footer-brand p{color:#bcd3df;max-width:320px}
.footer-grid h2{font-size:14px;color:#fff;margin:0 0 12px}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}
.footer-grid a{font-size:13px;color:#c0d6e1}
.footer-grid a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px;margin-top:36px;font-size:12px;color:#99b8c8}
.mobile-tabbar{display:none}
.back-top{position:fixed;right:18px;bottom:22px;z-index:700;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);background:#fff;box-shadow:var(--shadow);cursor:pointer;color:var(--primary);font-weight:900}
.prose{max-width:900px}
.prose h2{font-size:28px;color:var(--navy);margin:36px 0 10px}
.prose p,.prose li{color:var(--text-2)}
.prose ul{padding-left:20px}
.watch-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:26px}
.player{aspect-ratio:16/9;border-radius:22px;background:var(--navy);overflow:hidden;display:grid;place-items:center;color:#fff;position:relative}
.player video{width:100%;height:100%;background:#0f2a3d}
.player-placeholder{padding:30px;text-align:center}
.list-card{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-card img{width:120px;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.list-card h3{font-size:15px;margin:2px 0 6px;color:var(--navy)}
.list-card p{font-size:12px;margin:0;color:var(--text-2)}
@media (max-width:1100px){
  .desktop-nav{display:none}
  .video-grid--4{grid-template-columns:repeat(3,1fr)}
  .channel-grid{grid-template-columns:repeat(3,1fr)}
  .anchor-grid{grid-template-columns:repeat(2,1fr)}
  .bento-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}
  .footer-grid>div:nth-child(n+4){margin-top:8px}
}
@media (max-width:820px){
  .wrap{width:min(calc(100% - 28px),var(--wrap))}
  .top-note{font-size:11px}
  .header-inner{min-height:62px;gap:12px}
  .brand img{width:38px;height:38px}.brand span{display:none}
  .header-actions{margin-left:auto}.icon-btn span{display:none}.header-actions .icon-btn:nth-child(2){display:none}
  .page-hero{padding:42px 0 36px}.hero-grid{grid-template-columns:1fr;gap:24px}.hero-copybox h1{font-size:42px}.hero-panel{right:8px;bottom:10px}
  .section{padding:46px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:20px}.section-head h2{font-size:30px}
  .video-grid,.video-grid--4,.video-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .feature-layout,.rank-layout,.live-stage,.trend-layout,.topic-banner,.app-showcase,.watch-layout{grid-template-columns:1fr}
  .feature-stack{grid-template-columns:repeat(2,1fr)}
  .live-side{grid-template-columns:repeat(2,1fr)}.live-side .live-card{display:block}.live-side .card-body p{display:block}
  .masonry-grid{columns:2 220px}.bento-grid{grid-template-columns:repeat(2,1fr)}.bento-card:nth-child(1),.bento-card:nth-child(4){grid-column:span 1;grid-row:span 1}
  .topic-grid,.story-layout,.split-feature,.compare-grid{grid-template-columns:1fr}.split-feature--reverse .split-feature__media{order:0}
  .creator-grid,.service-grid{grid-template-columns:repeat(2,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}.magazine-grid{grid-template-columns:1fr 1fr}.magazine-grid>*:first-child{grid-column:span 2;grid-row:span 1}
  .footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:span 2}.footer-bottom{flex-direction:column}
  .mobile-tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:10px;right:10px;bottom:10px;z-index:850;background:rgba(255,253,248,.94);backdrop-filter:blur(16px);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:7px}
  .mobile-tabbar a{text-align:center;font-size:12px;padding:7px 2px;color:var(--navy-soft)}
  .site-footer{padding-bottom:92px}.back-top{bottom:82px}
}
@media (max-width:560px){
  .header-actions .icon-btn:nth-child(3){display:none}
  .hero-copybox h1{font-size:36px}.hero-copy{font-size:16px}.hero-media>img{aspect-ratio:16/12;border-radius:24px}.hero-panel{position:relative;right:auto;bottom:auto;width:100%;margin-top:-20px}
  .video-grid,.video-grid--4,.video-grid--2{grid-template-columns:1fr}
  .horizontal-rail{grid-auto-columns:84vw}
  .feature-stack{grid-template-columns:1fr}.masonry-grid{columns:1}.bento-grid{grid-template-columns:1fr}
  .live-side{grid-template-columns:1fr}.anchor-grid,.topic-grid,.creator-grid,.service-grid,.channel-grid,.steps,.compare-grid{grid-template-columns:1fr}
  .anchor-card{padding:14px}.anchor-card>img{width:68px;height:68px}
  .story-card{grid-template-columns:110px 1fr}.story-card img{height:120px}
  .magazine-grid{grid-template-columns:1fr}.magazine-grid>*:first-child{grid-column:auto}
  .trend-row{grid-template-columns:100px 1fr 36px;gap:8px}.topic-banner__main{padding:26px}.topic-banner__main h2{font-size:30px}
  .app-devices{min-height:330px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
  .search-modal{padding:4vh 12px 12px}.search-dialog{padding:18px}.search-form{grid-template-columns:1fr}.search-dialog__head h2{font-size:22px}
}