: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,BlinkMacSystemFont,"Segoe UI",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{font:inherit}
button{cursor:pointer}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}
.section-shell{padding:76px 0;position:relative;overflow:hidden}
.section-compact{padding:48px 0}
.bg-blue{background:var(--bg-blue)}
.bg-cream{background:var(--bg-cream)}
.dark-zone{background:var(--navy);color:#fff}
.live-zone{background:linear-gradient(135deg,var(--navy) 0%,#123D59 52%,#1D5774 100%);color:#fff}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px}
.skip-link:focus{top:16px}
.site-notice{background:var(--cream-2);border-bottom:1px solid var(--line-warm);font-size:13px;color:var(--navy-soft)}
.site-notice .wrap{display:flex;justify-content:center;gap:8px;padding:8px 0;text-align:center}
.site-notice a{color:var(--primary);font-weight:700}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,238,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(74,155,212,.08);transition:.2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow);border-color:var(--line)}
.header-inner{min-height:72px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}
.brand img{width:38px;height:38px;border-radius:12px;object-fit:cover}
.brand span{display:flex;flex-direction:column;line-height:1.05}
.brand strong{font-size:18px;color:var(--navy)}
.brand small{font-size:9px;letter-spacing:.16em;color:var(--text-3);margin-top:4px}
.desktop-nav{display:flex;align-items:center;gap:4px;flex:1}
.desktop-nav a{padding:10px 13px;border-radius:var(--radius-pill);font-size:14px;color:var(--navy-soft);font-weight:650}
.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{background:var(--sky-soft);color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:7px}
.icon-btn,.app-btn,.menu-toggle{border:0;background:transparent;padding:9px 11px;border-radius:12px;font-size:13px;color:var(--navy);font-weight:700}
.icon-btn:hover,.menu-toggle:hover{background:var(--surface)}
.app-btn{background:var(--primary);color:#fff;padding-inline:15px}
.menu-toggle{display:none}
.mobile-menu{background:rgba(255,253,248,.98);border-top:1px solid var(--line);box-shadow:var(--shadow)}
.mobile-menu[hidden]{display:none!important}
.mobile-menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:20px 0}
.mobile-menu-grid a{background:var(--surface);padding:13px;border-radius:12px;border:1px solid var(--line);font-weight:700}
.search-modal{display:none;position:fixed;inset:0;z-index:300;background:rgba(14,42,61,.52);padding:20px;align-items:flex-start;justify-content:center;overflow:auto}
.search-modal.is-open{display:flex}
.search-modal[hidden]{display:none !important}
.search-dialog{width:min(760px,100%);margin-top:min(16vh,150px);background:var(--surface-cream);border-radius:28px;padding:34px;box-shadow:0 34px 90px rgba(5,30,48,.25);position:relative;border:1px solid rgba(255,255,255,.75)}
.search-dialog h2{font-size:clamp(26px,4vw,42px);line-height:1.15;margin:8px 0 24px;color:var(--navy)}
.search-close{position:absolute;right:18px;top:18px;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:50%;font-size:24px;color:var(--navy)}
.search-form{display:flex;gap:10px}
.search-form input,.page-search input,.hero-search input{min-width:0;flex:1;border:1px solid var(--line-strong);background:#fff;color:var(--text);border-radius:14px;padding:14px 16px;outline:none}
.search-form input:focus,.page-search input:focus,.hero-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.12)}
.search-form button,.page-search button,.hero-search button{border:0;background:var(--primary);color:#fff;border-radius:14px;padding:13px 20px;font-weight:800}
.search-suggest{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px;font-size:13px}
.search-suggest span{color:var(--text-3)}
.search-suggest a{background:var(--sky-soft);color:var(--navy-2);padding:7px 11px;border-radius:var(--radius-pill)}
.kicker{display:inline-block;color:var(--primary);font-size:11px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}
.dark-zone .kicker,.live-zone .kicker{color:var(--sky)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head>div{max-width:780px}
.section-head h2{font-size:clamp(28px,3.4vw,44px);line-height:1.12;letter-spacing:-.03em;margin:6px 0 0;color:var(--navy)}
.section-head p{max-width:720px;margin:10px 0 0;color:var(--text-2)}
.dark-zone .section-head h2,.live-zone .section-head h2{color:#fff}
.dark-zone .section-head p,.live-zone .section-head p{color:#c7d8e3}
.text-link{font-size:14px;font-weight:800;color:var(--primary);white-space:nowrap}
.dark-zone .text-link,.live-zone .text-link{color:var(--sky)}
.home-hero{padding:66px 0 80px;background:radial-gradient(circle at 15% 10%,rgba(140,204,240,.28),transparent 30%),linear-gradient(135deg,var(--cream) 0%,var(--bg) 47%,var(--sky-soft) 100%)}
.home-hero:before{content:"";position:absolute;inset:0;opacity:.34;background-image:linear-gradient(rgba(74,155,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(74,155,212,.05) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(360px,5fr);gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(48px,6.2vw,82px);line-height:1.02;letter-spacing:-.055em;margin:12px 0 22px;max-width:850px;color:var(--navy)}
.hero-copy>p{font-size:17px;color:var(--text-2);max-width:720px;margin:0 0 10px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:13px;font-weight:800;border:1px solid transparent;transition:.18s ease}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(74,155,212,.22)}
.btn.primary:hover{transform:translateY(-1px);background:#378dc8}
.btn.secondary{background:var(--cream);border-color:var(--line-strong);color:var(--navy)}
.btn.ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.08)}
.hero-search{display:flex;max-width:630px;background:rgba(255,255,255,.68);padding:6px;border-radius:18px;border:1px solid rgba(74,155,212,.14)}
.hero-search input{border:0;background:transparent}
.hero-media{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center}
.hero-media>img{width:100%;height:520px;object-fit:cover;border-radius:36px 70px 36px 36px;box-shadow:0 28px 70px rgba(31,88,124,.18)}
.floating-panel{position:absolute;width:220px;padding:16px;border-radius:18px;background:rgba(255,253,248,.92);backdrop-filter:blur(12px);box-shadow:var(--shadow-hover);border:1px solid rgba(255,255,255,.8)}
.floating-panel--top{right:-18px;top:36px}.floating-panel--bottom{left:-26px;bottom:28px}
.floating-panel span{font-size:12px;color:var(--text-2)}.floating-panel strong{display:block;color:var(--navy);font-size:19px}.floating-panel p{margin:6px 0 0;font-size:12px;color:var(--text-2)}
.subhero{padding:64px 0;background:linear-gradient(135deg,var(--cream) 0%,var(--sky-soft) 100%)}
.subhero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.subhero-copy h1{font-size:clamp(44px,5.4vw,72px);line-height:1.02;letter-spacing:-.05em;margin:12px 0 20px;color:var(--navy)}
.subhero-copy>p{font-size:17px;color:var(--text-2);max-width:720px}
.subhero-media img{width:100%;height:390px;object-fit:cover;border-radius:34px;box-shadow:var(--shadow)}
.mini-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.mini-stats>div{min-width:130px;padding:13px 16px;border-radius:15px;background:rgba(255,255,255,.7);border:1px solid rgba(74,155,212,.12)}
.mini-stats strong{display:block;font-size:22px;color:var(--primary)}.mini-stats span{font-size:12px;color:var(--text-2)}
.search-chips,.chip-track,.tag-cloud,.filter-tabs{display:flex;flex-wrap:wrap;gap:10px}
.chip,.channel-chip,.tag{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);padding:10px 15px;font-size:13px;font-weight:750;transition:.18s ease}
.channel-chip span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--sky-soft);color:var(--primary)}
.chip:hover,.channel-chip:hover,.tag:hover,.chip.is-current{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.tag-size-2{font-size:15px}.tag-size-3{font-size:18px;padding:12px 18px}
.video-card{min-width:0}
.video-thumb{display:block;position:relative;overflow:hidden;border-radius:var(--radius-card);aspect-ratio:16/9;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-badge{position:absolute;left:14px;bottom:14px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);color:var(--navy);box-shadow:0 5px 18px rgba(0,0,0,.14);transition:.2s ease}
.video-card:hover .play-badge{transform:scale(1.06)}
.duration{position:absolute;right:12px;bottom:12px;background:rgba(15,42,61,.84);color:#fff;font-size:11px;padding:4px 7px;border-radius:8px}
.video-body{padding:14px 2px 0}.eyeline,.meta-row,.topic-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--text-3);font-size:11px}.eyeline span:first-child{color:var(--primary);font-weight:750}
.video-body h3,.live-body h3,.discussion-card h3,.creator-story h3,.tutorial-card h3,.special-card h3,.discover-card h3{font-size:18px;line-height:1.35;margin:7px 0;color:var(--navy)}
.video-body p,.live-body p,.discussion-card p,.creator-story p,.tutorial-card p,.special-card p,.discover-card p{font-size:13px;color:var(--text-2);margin:0 0 10px}
.video-card--lead .video-thumb,.video-card--wide .video-thumb{aspect-ratio:16/8.5}.video-card--lead .video-body h3{font-size:26px}.video-card--compact .video-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card--list{display:grid;grid-template-columns:190px 1fr;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px}.video-card--list .video-body{padding:0}.video-card--track{width:310px;flex:0 0 310px}.video-card--tall .video-thumb{aspect-ratio:4/5}
.editor-split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:28px;align-items:stretch}.editor-note{background:var(--cream);border-radius:28px;padding:30px;border:1px solid var(--line-warm)}.editor-note h3{font-size:26px;line-height:1.2;color:var(--navy);margin:8px 0 16px}.editor-note p{color:var(--text-2)}.editor-note dl{display:grid;gap:10px}.editor-note dl div{display:flex;justify-content:space-between;border-top:1px solid var(--line-warm);padding-top:10px}.editor-note dt{color:var(--text-3)}.editor-note dd{margin:0;font-weight:750;color:var(--navy)}
.feature-quads,.cards-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.top-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:start}.ranking-list{margin:0;padding:0;list-style:none;display:grid;gap:4px}.ranking-list li{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;padding:13px 10px;border-bottom:1px solid var(--line)}.ranking-list .rank{font-size:22px;font-weight:900;color:var(--primary)}.ranking-list strong{display:block;line-height:1.35;color:var(--navy)}.ranking-list small{color:var(--text-3)}.ranking-list--wide li{padding:16px;border-radius:14px;border:1px solid transparent}.ranking-list--wide li:hover{background:var(--surface);border-color:var(--line)}
.two-column-flow{display:grid;grid-template-columns:1fr 1fr;gap:22px 32px}.masonry-grid{columns:4 260px;column-gap:20px}.masonry-grid .video-card{break-inside:avoid;margin-bottom:24px}.horizontal-track{display:flex;gap:20px;overflow-x:auto;padding:3px 3px 12px;scroll-snap-type:x proximity}.horizontal-track>*{scroll-snap-align:start}.horizontal-track::-webkit-scrollbar{height:7px}.horizontal-track::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:10px}
.story-split{display:grid;grid-template-columns:1.15fr .85fr;gap:30px}.story-image{position:relative;border-radius:28px;overflow:hidden;min-height:480px}.story-image img{width:100%;height:100%;object-fit:cover}.story-image>div{position:absolute;inset:auto 20px 20px;background:rgba(255,253,248,.92);padding:18px;border-radius:18px}.story-image h3{margin:0 0 6px;color:var(--navy);font-size:22px}.story-image p{margin:0;color:var(--text-2)}.stack-list{display:grid;gap:12px}.mini-video{padding:15px 0;border-bottom:1px solid var(--line)}.mini-video strong{color:var(--navy)}.mini-video p{margin:5px 0;color:var(--text-2);font-size:13px}.mini-video small{color:var(--text-3)}
.bento-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-auto-rows:220px;gap:18px}.bento-item{position:relative;border-radius:24px;overflow:hidden}.bento-item img{width:100%;height:100%;object-fit:cover}.bento-item>div{position:absolute;inset:auto 0 0;padding:22px;background:linear-gradient(transparent,rgba(15,42,61,.84));color:#fff}.bento-item h3{margin:4px 0;color:#fff}.bento-item p{margin:0;color:#dbe9f1;font-size:12px}.bento-1{grid-row:span 2}.bento-4{grid-column:span 2}
.live-stage-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.live-side{display:grid;gap:12px}.live-card{overflow:hidden;border-radius:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.section-shell:not(.live-zone):not(.dark-zone) .live-card{background:var(--surface);border-color:var(--line)}.live-cover{position:relative;aspect-ratio:16/9;overflow:hidden}.live-cover img{width:100%;height:100%;object-fit:cover}.live-badge{display:inline-flex;align-items:center;background:var(--accent);color:#fff;font-weight:850;font-size:10px;letter-spacing:.08em;padding:5px 8px;border-radius:7px}.live-cover .live-badge{position:absolute;left:12px;top:12px}.live-body{padding:15px}.live-zone .live-body h3{color:#fff}.live-zone .live-body p{color:#c8dbe5}.live-card--side{display:grid;grid-template-columns:150px 1fr;border-radius:16px}.live-card--side .live-cover{aspect-ratio:auto;height:100%;min-height:118px}.live-card--side .live-body{padding:12px}.live-card--side .live-body h3{font-size:15px}.live-card--side .live-body p{display:none}.live-card--replay{width:300px;flex:0 0 300px;background:rgba(255,255,255,.09)}
.avatar-track{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px}.anchor-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:16px;display:flex;gap:14px}.anchor-card>img{width:92px;height:92px;object-fit:cover;border-radius:24px}.anchor-card h3{font-size:18px;color:var(--navy);margin:4px 0 0}.anchor-card strong{font-size:12px;color:var(--primary)}.anchor-card p{font-size:12px;color:var(--text-2);margin:6px 0}.soft-link{font-size:11px;color:var(--text-3)}.status-dot{display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;margin-right:6px}.anchor-card--avatar{width:270px;flex:0 0 270px;align-items:center}.anchor-card--avatar>img{width:74px;height:74px;border-radius:50%}.anchor-card--avatar p{display:none}.people-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.anchor-card--profile{display:block}.anchor-card--profile>img{width:100%;height:220px;border-radius:18px;margin-bottom:12px}.direction-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.direction-card{display:flex;justify-content:space-between;gap:12px;padding:17px 18px;border:1px solid var(--line);background:var(--surface);border-radius:16px}.direction-card strong{color:var(--navy)}.direction-card span{color:var(--primary);font-size:12px}
.dark-feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}.dark-feature-grid>img{width:100%;height:380px;object-fit:cover;border-radius:28px}.dark-feature-grid>div{padding:20px}.dark-feature-grid h3{font-size:36px;line-height:1.12;margin:8px 0 14px}.dark-feature-grid p{color:#c7d8e3}.magazine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.magazine-grid .video-card:first-child{grid-column:span 2}.magazine-grid .video-card:first-child .video-thumb{aspect-ratio:16/8}.knowledge-list{display:grid;gap:0}.knowledge-row{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.index-pill{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--sky-soft);color:var(--primary);font-weight:900}.knowledge-row h3{margin:0;color:var(--navy)}.knowledge-row p{margin:3px 0;color:var(--text-2);font-size:13px}.knowledge-row>a{color:var(--primary);font-weight:800}
.creator-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.creator-grid--wide{grid-template-columns:repeat(2,1fr)}.creator-story{display:grid;grid-template-columns:170px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}.creator-story img{width:100%;height:100%;min-height:190px;object-fit:cover}.creator-story>div{padding:18px 18px 18px 0}.creator-story span{font-size:11px;color:var(--primary);font-weight:800}.long-read{display:grid;grid-template-columns:1fr 420px;gap:36px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:28px}.long-read h2{font-size:32px;line-height:1.16;color:var(--navy);margin:7px 0 14px}.long-read p{color:var(--text-2)}.long-read img{width:100%;height:310px;object-fit:cover;border-radius:22px}
.community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.discussion-card{display:flex;gap:13px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:20px}.avatar{width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:var(--sky-soft);color:var(--primary);display:grid;place-items:center;font-weight:900}.discussion-main{min-width:0;flex:1}.topic-foot{border-top:1px solid var(--line);padding-top:10px}.discussion-card--timeline{border-radius:0;border-width:0 0 1px;background:transparent;padding-inline:4px}.discussion-timeline{max-width:940px;margin:auto}.question-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.question-main{padding:34px;border-radius:28px;background:var(--navy);color:#fff}.question-main h2{font-size:36px;line-height:1.15;margin:8px 0 14px}.question-main p{color:#d8e7ef}.question-sides{display:grid;gap:12px}.question-sides article{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}.question-sides h3{margin:6px 0;color:var(--navy)}.question-sides p{margin:0;color:var(--text-2);font-size:13px}
.trend-list{display:grid;gap:10px}.trend-row{display:grid;grid-template-columns:minmax(0,1fr) 250px 60px;gap:18px;align-items:center;padding:16px;background:rgba(255,255,255,.62);border:1px solid var(--line);border-radius:16px}.trend-row strong,.trend-row h3{color:var(--navy);margin:0}.trend-row p{font-size:12px;color:var(--text-2);margin:4px 0}.trend-meter{height:8px;background:var(--surface);border-radius:99px;overflow:hidden}.trend-meter span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--sky));border-radius:99px}.trend-row em{font-style:normal;font-size:12px;color:var(--accent);font-weight:800}
.special-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.special-card{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--surface)}.special-card img{width:100%;height:100%;object-fit:cover}.special-card>div{padding:20px}.special-card>div>span{font-size:11px;color:var(--primary)}.special-card small{color:var(--text-3)}
.howto-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px}.howto-image,.howto-split>img{width:100%;height:100%;min-height:430px;object-fit:cover;border-radius:28px}.step-list{margin:0;padding:0;list-style:none;display:grid;gap:12px}.step-list li,.step-list>article{display:flex;gap:16px;padding:18px;border:1px solid var(--line);background:var(--surface);border-radius:18px}.step-list li>span,.step-list>article>span{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--sky-soft);color:var(--primary);display:grid;place-items:center;font-weight:900}.step-list h3{margin:0;color:var(--navy)}.step-list p{margin:4px 0 0;color:var(--text-2);font-size:13px}.step-list--wide{grid-template-columns:repeat(2,1fr)}.tutorial-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tutorial-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px}.tutorial-card img{width:calc(100% + 40px);max-width:none;height:160px;object-fit:cover;margin:-20px -20px 16px;border-radius:20px 20px 0 0}.tutorial-card>span{font-size:11px;color:var(--primary);font-weight:800}.tutorial-card small{color:var(--text-3)}.tip-columns,.rules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tip-columns article,.rules-grid article{padding:24px;border:1px solid var(--line);background:var(--surface);border-radius:20px}.tip-columns article>span{font-size:28px;color:var(--sky);font-weight:900}.tip-columns h3,.rules-grid h3{color:var(--navy);margin:7px 0}.tip-columns p,.rules-grid p{color:var(--text-2);margin:0}
.app-zone{background:linear-gradient(135deg,var(--sky-soft),var(--cream))}.app-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:center}.app-device{position:relative;min-height:520px}.app-device>img:first-child{height:520px;margin:auto}.app-shot{position:absolute;width:58%;right:0;bottom:20px;border-radius:28px;box-shadow:var(--shadow-hover)}.app-features{display:grid;grid-template-columns:1fr 1fr;gap:14px}.app-features article,.app-feature-card{display:flex;gap:12px;padding:18px;border-radius:18px;background:rgba(255,255,255,.75);border:1px solid var(--line)}.app-features article>span,.feature-icon{font-size:22px;color:var(--primary)}.app-features h3,.app-feature-card h3{margin:0;color:var(--navy)}.app-features p,.app-feature-card p{margin:4px 0 0;color:var(--text-2);font-size:13px}.app-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.app-copy{padding:24px;background:rgba(255,255,255,.7);border-radius:24px;border:1px solid var(--line)}.install-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.install-steps article{padding:24px;border:1px solid var(--line);background:var(--surface);border-radius:20px}.install-steps article>span{display:grid;place-items:center;width:38px;height:38px;background:var(--primary);color:#fff;border-radius:13px;font-weight:900}.install-steps h3{color:var(--navy)}.install-steps p{color:var(--text-2)}
.trust-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.trust-card{display:grid;grid-template-columns:180px 1fr;gap:20px;overflow:hidden;border:1px solid var(--line);background:var(--surface);border-radius:24px}.trust-card img{height:100%;min-height:190px;width:100%;object-fit:cover}.trust-card>div{padding:20px 20px 20px 0}.trust-card h3{color:var(--navy);margin:5px 0}.trust-card p{color:var(--text-2);font-size:13px}.about-strip{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}.about-strip>img{width:100%;height:330px;object-fit:cover;border-radius:26px}.about-strip>div h2{font-size:34px;line-height:1.15;color:var(--navy)}.about-strip p{color:var(--text-2)}
.faq-list{display:grid;gap:10px;max-width:980px;margin:auto}.faq-item{border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:18px 20px;color:var(--navy);font-weight:800}.faq-answer{padding:0 20px 18px;color:var(--text-2)}.faq-answer[hidden]{display:none!important}.faq-answer p{margin:0}.page-search{max-width:760px;margin-top:24px}.page-search label{display:block;font-weight:800;margin-bottom:7px}.page-search>div{display:flex;gap:10px}.search-page h1{font-size:clamp(38px,5vw,66px);margin:8px 0;color:var(--navy)}.empty-state{padding:28px;border:1px dashed var(--line-strong);border-radius:20px;color:var(--text-2)}
.discover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.discover-card{overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:22px}.discover-card img{width:100%;height:190px;object-fit:cover}.discover-card>div{padding:17px}.discover-card span{font-size:11px;color:var(--primary)}.split-feed{display:grid;grid-template-columns:1fr 1fr;gap:28px}.split-feed>div{display:grid;gap:16px}.download-status{display:flex;align-items:center;gap:16px;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--surface)}.download-status>div{flex:1}.download-status h2{margin:0;color:var(--navy)}.download-status p{margin:4px 0;color:var(--text-2)}.disabled-cta{background:#eef2f4;color:#87949c;padding:11px 16px;border-radius:12px;font-weight:800}.watch-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:32px;align-items:start}.player-shell{background:var(--navy);padding:10px;border-radius:24px;overflow:hidden}.player-shell video{width:100%;aspect-ratio:16/9;background:#0b1b25;border-radius:18px}.player-note{display:block;color:#a8c2d1;font-size:11px;padding:8px 7px 2px}.watch-info{padding:10px 0}.watch-info h1{font-size:42px;line-height:1.12;color:var(--navy)}.watch-info p{color:var(--text-2)}.watch-info dl{display:grid;gap:8px}.watch-info dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:9px 0}.watch-info dt{color:var(--text-3)}.watch-info dd{margin:0;font-weight:700}.error-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;min-height:58vh}.error-layout h1{font-size:64px;line-height:1.03;margin:10px 0;color:var(--navy)}.error-layout p{color:var(--text-2);font-size:17px}.error-layout img{width:100%;height:420px;object-fit:cover;border-radius:34px}
.site-footer{background:var(--navy);color:#d7e6ee;padding:58px 0 26px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:34px}.brand--footer strong{color:#fff}.site-footer p{color:#9fb8c7;max-width:320px}.site-footer h3{color:#fff;font-size:14px;margin:4px 0 12px}.site-footer a:not(.brand){display:block;color:#b9cfdb;font-size:13px;margin:7px 0}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.09);margin-top:36px;padding-top:18px;font-size:11px;color:#88a4b4}.mobile-bottom-nav{display:none}.back-top{position:fixed;right:22px;bottom:24px;width:44px;height:44px;border:0;border-radius:50%;background:var(--navy);color:#fff;box-shadow:var(--shadow-hover);z-index:60}.back-top[hidden]{display:none!important}
@media (max-width:1100px){
  .desktop-nav{display:none}.menu-toggle{display:inline-flex}.hero-grid,.subhero-grid{grid-template-columns:1fr}.hero-media{min-height:440px}.hero-media>img{height:420px}.hero-copy h1{font-size:62px}.people-grid{grid-template-columns:repeat(3,1fr)}.feature-quads,.cards-4,.tutorial-grid{grid-template-columns:repeat(2,1fr)}.masonry-grid{columns:3 240px}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-grid>div:nth-child(4),.footer-grid>div:nth-child(5){margin-top:12px}.app-split{grid-template-columns:1fr 1fr}.watch-layout{grid-template-columns:1.2fr .8fr}
}
@media (max-width:820px){
  .wrap{width:min(calc(100% - 28px),var(--wrap))}.section-shell{padding:56px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.section-head h2{font-size:32px}.site-notice{display:none}.header-inner{min-height:64px;gap:12px}.brand span small{display:none}.header-actions .icon-btn:nth-child(2),.header-actions .app-btn{display:none}.mobile-menu-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{gap:28px}.home-hero{padding:48px 0 64px}.hero-copy h1{font-size:clamp(42px,12vw,60px)}.hero-copy>p{font-size:15px}.hero-media{min-height:360px}.hero-media>img{height:340px;border-radius:28px}.floating-panel{width:190px;padding:12px}.floating-panel--top{right:8px;top:12px}.floating-panel--bottom{left:8px;bottom:4px}.hero-search{max-width:100%}.subhero{padding:48px 0}.subhero-media img{height:300px}.subhero-copy h1{font-size:48px}
  .editor-split,.top-layout,.story-split,.live-stage-grid,.dark-feature-grid,.question-panel,.howto-split,.app-split,.about-strip,.watch-layout,.error-layout{grid-template-columns:1fr}.two-column-flow,.community-grid,.special-grid,.creator-grid,.trust-pair,.split-feed,.app-feature-grid{grid-template-columns:1fr}.cards-3,.people-grid,.direction-grid,.tip-columns,.rules-grid,.install-steps,.discover-grid{grid-template-columns:repeat(2,1fr)}.masonry-grid{columns:2 220px}.bento-grid{grid-template-columns:1fr 1fr;grid-auto-rows:190px}.bento-1{grid-row:span 1}.bento-4{grid-column:span 1}.magazine-grid{grid-template-columns:1fr 1fr}.magazine-grid .video-card:first-child{grid-column:span 2}.trend-row{grid-template-columns:1fr}.trend-meter{width:100%}.step-list--wide{grid-template-columns:1fr}.long-read{grid-template-columns:1fr;padding:20px}.long-read img{height:240px}.app-device{min-height:430px}.app-device>img:first-child{height:430px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:10px;z-index:75;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,248,.96);backdrop-filter:blur(12px);box-shadow:0 14px 45px rgba(22,58,78,.22);border:1px solid var(--line);border-radius:18px;padding:7px}.mobile-bottom-nav a{text-align:center;font-size:11px;padding:7px 2px;color:var(--navy-soft);font-weight:750}.site-footer{padding-bottom:90px}.back-top{bottom:82px}.live-card--side{grid-template-columns:120px 1fr}.ranking-list li{grid-template-columns:34px 1fr}.ranking-list li>span:last-child{display:none}.search-dialog{padding:26px;margin-top:10vh}.watch-info h1{font-size:34px}
}
@media (max-width:560px){
  .header-actions{margin-left:auto}.brand img{width:34px;height:34px}.icon-btn,.menu-toggle{padding:8px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-search,.search-form,.page-search>div{flex-direction:column}.hero-media{min-height:320px}.hero-media>img{height:300px}.floating-panel--top{display:none}.floating-panel--bottom{width:calc(100% - 24px);left:12px}.feature-quads,.cards-4,.cards-3,.tutorial-grid,.people-grid,.direction-grid,.tip-columns,.rules-grid,.install-steps,.discover-grid{grid-template-columns:1fr}.masonry-grid{columns:1}.two-column-flow .video-card--list{grid-template-columns:120px 1fr}.video-card--list{grid-template-columns:120px 1fr}.video-card--list .video-body p,.video-card--list .meta-row{display:none}.horizontal-track{margin-right:-14px}.video-card--track{width:270px;flex-basis:270px}.bento-grid{display:flex;overflow-x:auto}.bento-item{min-width:280px;height:240px}.live-card--side{grid-template-columns:100px 1fr}.live-card--side .live-body .meta-row{display:none}.anchor-card--avatar{width:240px;flex-basis:240px}.special-card,.creator-story,.trust-card{grid-template-columns:1fr}.special-card img,.creator-story img,.trust-card img{height:210px}.special-card>div,.creator-story>div,.trust-card>div{padding:18px}.creator-story>div,.trust-card>div{padding-top:0}.long-read h2{font-size:26px}.app-features{grid-template-columns:1fr}.app-device{min-height:360px}.app-device>img:first-child{height:360px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{font-size:10px}.question-main h2{font-size:28px}.error-layout h1{font-size:48px}.search-dialog h2{font-size:28px}.search-dialog{padding:22px}.mini-stats>div{min-width:110px}.subhero-media img{height:240px}
}