: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:1.62;-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,a{touch-action:manipulation}
h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.16;letter-spacing:-.02em}h1{font-size:clamp(2.65rem,5vw,5.8rem);margin-bottom:22px}h2{font-size:clamp(1.8rem,3vw,3.15rem);margin-bottom:16px}h3{font-size:1.08rem;margin-bottom:10px}p{color:var(--text-2)}
.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}.section-space{padding:86px 0}.slim-section{padding:18px 0}.alt-blue{background:var(--bg-blue)}.cream-band{background:var(--bg-cream)}.dark-zone{background:var(--navy);color:white}.dark-zone p,.dark-zone .section-head p,.dark-zone .micro,.dark-zone .meta-line,.dark-zone small{color:#c9dae5}.dark-zone .eyebrow,.dark-zone .text-link{color:#9dd6f7}.dark-zone .video-card,.dark-zone .live-card{background:#1d4059;border-color:rgba(255,255,255,.08)}.dark-zone .video-body p,.dark-zone .live-body p{color:#d4e2ea}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:11px;color:var(--primary);font-size:.76rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.eyebrow:before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor}.micro{font-size:.76rem;color:var(--text-3)}.sr-only{position:absolute;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;z-index:9999;top:10px;left:10px;padding:10px 14px;background:#fff;border-radius:8px;transform:translateY(-180%)}.skip-link:focus{transform:none}.top-note{background:var(--navy);color:#dbe8ef;font-size:.82rem}.top-note .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:18px}.top-note a{color:#a9dcf8}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,249,238,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}.site-header.is-scrolled{box-shadow:var(--shadow)}.header-inner{display:flex;align-items:center;gap:28px;min-height:76px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:42px;height:42px;object-fit:cover;border-radius:13px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}.brand span{display:grid}.brand strong{font-size:1.05rem;line-height:1.1}.brand small{font-size:.56rem;letter-spacing:.14em;color:var(--navy-soft);margin-top:3px}.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{padding:10px 12px;border-radius:var(--radius-pill);font-weight:650;font-size:.9rem;color:var(--navy-soft)}.main-nav a:hover,.main-nav a[aria-current="page"]{background:#fff;color:var(--primary)}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn,.app-mini,.menu-toggle{border:0;background:transparent;padding:9px 10px;border-radius:10px;color:var(--navy);cursor:pointer}.icon-btn:hover,.menu-toggle:hover{background:white}.app-mini{background:var(--primary);color:white;font-weight:800;padding-inline:14px}.menu-toggle{display:none}.mega-menu{position:absolute;left:0;right:0;background:rgba(255,253,248,.98);border-top: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:40px;padding-block:30px}.mega-grid>div{display:grid;gap:8px}.mega-grid strong{margin-bottom:4px}.mega-grid a{color:var(--text-2);font-size:.9rem}.mega-grid a:hover{color:var(--primary)}
.search-modal{display:none;position:fixed;inset:0;z-index:1000;background:rgba(15,42,61,.58);padding:24px;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(720px,100%);margin-top:min(11vh,110px);background:var(--cream-3);border-radius:var(--radius-large);padding:28px;box-shadow:0 30px 90px rgba(9,35,52,.3);border:1px solid rgba(255,255,255,.55)}.search-dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-dialog-head h2{margin-bottom:14px}.search-close{width:42px;height:42px;border:1px solid var(--line-strong);background:white;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer}.search-form label{display:block;color:var(--text-2);margin-bottom:8px}.search-row,.hero-search,.search-page-form{display:flex;background:#fff;border:1px solid var(--line-strong);border-radius:16px;padding:6px;gap:6px}.search-row input,.hero-search input,.search-page-form input{flex:1;border:0;outline:0;background:transparent;padding:11px 13px;min-width:0}.search-row button,.hero-search button,.search-page-form button{border:0;background:var(--primary);color:white;border-radius:12px;padding:10px 18px;font-weight:800;cursor:pointer}.search-suggest{margin-top:22px}.search-suggest strong{display:block;margin-bottom:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:14px;border:1px solid transparent;font-weight:800;cursor:pointer}.btn.primary{background:var(--primary);color:white}.btn.primary:hover{background:#398bc5}.btn.secondary{background:var(--cream-3);border-color:var(--line-strong);color:var(--navy)}.btn.secondary.light{background:transparent;border-color:rgba(255,255,255,.3);color:white}.btn.disabled{background:#e7ecef;color:#8a989f;cursor:not-allowed}.text-link{display:inline-flex;gap:8px;align-items:center;color:var(--primary);font-weight:800}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:30px}.section-head>div{max-width:790px}.section-head h2{margin-bottom:8px}.section-head p{margin:0;max-width:720px}.section-head .text-link{margin-bottom:7px;white-space:nowrap}
.home-hero{overflow:hidden;background:linear-gradient(135deg,#fffaf0 0%,#fffdf8 35%,#edf8fd 100%);position:relative}.home-hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid var(--line-strong);border-radius:50%;right:-140px;top:-210px}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:72px;align-items:center}.hero-home{min-height:650px}.hero-copy>p{max-width:760px;font-size:1.04rem}.hero-copy>p+p{margin-top:10px}.hero-search{max-width:610px;margin-top:30px}.hero-visual{position:relative}.hero-visual>img{width:100%;aspect-ratio:4/4.4;object-fit:cover;border-radius:36px 12px 36px 12px;box-shadow:var(--shadow-hover)}.float-panel{position:absolute;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:16px 18px;display:grid;min-width:170px}.float-panel span,.float-panel small{color:var(--text-2)}.float-panel strong{font-size:1.55rem}.panel-top{top:9%;left:-9%}.panel-bottom{bottom:8%;right:-6%}.focus-strip{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.focus-strip>a{color:var(--primary);font-weight:700}.focus-strip>span{margin-left:auto;color:var(--text-2);font-size:.9rem}.page-hero{padding:70px 0;background:linear-gradient(125deg,var(--cream) 0%,#fff 42%,var(--sky-soft) 100%);overflow:hidden}.page-hero .hero-grid{grid-template-columns:minmax(0,6.5fr) minmax(0,5.5fr)}.page-hero-art img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px 34px 12px 34px;box-shadow:var(--shadow)}.page-hero h1{font-size:clamp(2.5rem,4.5vw,4.8rem)}
.chips{display:flex;gap:9px;flex-wrap:wrap}.chips>*{display:inline-flex;padding:8px 13px;border-radius:var(--radius-pill);background:rgba(74,155,212,.1);color:var(--navy-2);font-size:.86rem}.big-chips{gap:12px}.big-chips>*{padding:11px 17px;background:#fff;border:1px solid var(--line)}.filter-chips{margin-bottom:26px}.filter-chips .active{background:var(--primary);color:white}.channel-rail,.horizontal-rail,.anchor-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(245px,1fr);gap:18px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x proximity}.channel-rail{grid-auto-columns:minmax(210px,1fr)}.anchor-rail{grid-auto-columns:minmax(220px,1fr)}.channel-rail>*,.horizontal-rail>*{scroll-snap-align:start}
.video-grid{display:grid;gap:22px}.video-grid.three{grid-template-columns:repeat(3,1fr)}.video-grid.four{grid-template-columns:repeat(4,1fr)}.video-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.video-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}.video-thumb{position:relative;display:block;overflow:hidden;background:var(--sky-soft);aspect-ratio:16/9}.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-dot{position:absolute;left:14px;bottom:14px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--primary);font-size:.83rem;box-shadow:var(--shadow);transition:transform .2s ease}.video-card:hover .play-dot{transform:scale(1.06)}.duration{position:absolute;right:10px;bottom:10px;background:rgba(23,52,74,.84);color:white;padding:4px 8px;border-radius:7px;font-size:.74rem}.video-body{padding:17px}.video-body h3{font-size:1.03rem}.video-body p{font-size:.88rem;margin-bottom:14px}.meta-line,.card-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--text-3);font-size:.75rem}.meta-line{margin-bottom:9px}.card-foot{margin-top:auto}.reason{color:var(--primary)}.tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}.tag{font-size:.72rem;padding:4px 8px;border-radius:var(--radius-pill);background:var(--sky-soft);color:var(--navy-soft)}.featured-large .video-thumb{aspect-ratio:16/10}.featured-large .video-body h3{font-size:1.5rem}.rail-card{min-width:0}.compact-card .video-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.masonry-like{columns:4 250px;column-gap:20px}.masonry-like>.video-card{break-inside:avoid;margin-bottom:20px}.masonry-like>.video-card:nth-child(3n+1) .video-thumb{aspect-ratio:4/3}
.feature-split{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,.7fr);gap:28px;align-items:start}.editor-note{background:var(--cream);border:1px solid var(--line-warm);border-radius:var(--radius-large);padding:32px;position:sticky;top:110px}.editor-note p{font-size:.96rem}.split-wide{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.6fr);gap:60px;align-items:start}.rank-list{display:grid;gap:0;border-top:1px solid var(--line)}.compact-video{display:grid;grid-template-columns:auto 118px 1fr;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.compact-video:not(:has(.rank-no)){grid-template-columns:118px 1fr}.compact-video img{width:118px;aspect-ratio:16/9;object-fit:cover;border-radius:10px}.compact-video h3{margin:4px 0 5px;font-size:.95rem}.compact-video p{font-size:.78rem;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.rank-no{width:38px;font-size:1.15rem;color:var(--primary)}.feed-two{display:grid;grid-template-columns:1fr 1fr;column-gap:34px}.magazine-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.magazine-grid>*{grid-column:span 2}.magazine-grid>.mag-large{grid-column:span 3}.bento-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.bento-grid>.video-card{grid-column:span 4}.bento-grid>.video-card:nth-child(1),.bento-grid>.video-card:nth-child(4){grid-column:span 6}.bento-grid>.video-card:nth-child(2){grid-column:span 6}.bento-grid>.video-card:nth-child(1) .video-thumb,.bento-grid>.video-card:nth-child(4) .video-thumb{aspect-ratio:16/10}
.story-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:58px;align-items:center}.story-layout.reverse .story-art{order:2}.story-layout.reverse .story-copy{order:1}.story-art img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-large)}.story-copy{max-width:620px}.mini-list{display:grid;gap:0;margin-top:22px}.mini-list .compact-video{grid-template-columns:90px 1fr}.mini-list .compact-video img{width:90px}.media-zone{background:#123047}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.media-grid.two{grid-template-columns:1fr 1fr}.media-card{background:white;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.media-card>div{padding:19px}.media-card p{font-size:.88rem}.media-card.wide{display:grid;grid-template-columns:220px 1fr}.media-card.wide img{height:100%;aspect-ratio:auto}.dark-zone .media-card{background:#1d4059;color:white;border-color:rgba(255,255,255,.08)}
.live-stage{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.75fr);gap:20px}.live-side{display:grid;gap:14px}.live-card{background:white;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}.live-cover{display:block;position:relative;aspect-ratio:16/9;overflow:hidden}.live-cover img{width:100%;height:100%;object-fit:cover}.live-badge{position:absolute;top:12px;left:12px;background:var(--accent);color:white;padding:5px 9px;border-radius:9px;font-size:.72rem;font-weight:900;letter-spacing:.08em}.live-body{padding:17px}.live-body p{font-size:.86rem}.stage-card .live-cover{aspect-ratio:16/10}.stage-card .live-body h3{font-size:1.5rem}.side-card{display:grid;grid-template-columns:150px 1fr}.side-card .live-cover{height:100%;aspect-ratio:auto}.side-card .live-body{padding:14px}.side-card .live-body p,.side-card .tag-row{display:none}.replay-card .live-badge{background:var(--primary)}
.anchor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.anchor-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;display:grid;grid-template-columns:92px 1fr;gap:16px}.anchor-card>img{width:92px;height:112px;object-fit:cover;border-radius:14px}.anchor-card h3{margin:5px 0}.anchor-card strong{font-size:.78rem;color:var(--primary)}.anchor-card p{font-size:.82rem;margin:7px 0}.anchor-card small{color:var(--text-3)}.anchor-card.round{display:block;text-align:center}.anchor-card.round>img{width:88px;height:88px;border-radius:50%;margin:0 auto 10px}.status-dot{font-size:.7rem;color:var(--text-3)}.status-dot.is-live{color:var(--accent);font-weight:800}.direction-layout{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.6fr);gap:54px;align-items:center}.direction-cloud{display:flex;gap:12px;flex-wrap:wrap}.direction-cloud>*{padding:12px 17px;background:white;border:1px solid var(--line);border-radius:var(--radius-pill);font-weight:700;color:var(--navy-2)}
.creator-spotlight{display:grid;grid-template-columns:.72fr 1.5fr;gap:42px}.creator-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.creator-card{background:white;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px}.creator-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;margin-bottom:16px}.creator-card strong{display:block;color:var(--primary);font-size:.84rem;margin-bottom:9px}.creator-card p{font-size:.85rem}.story-list{display:grid;gap:12px}.story-row{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.avatar-text{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--sky-light);color:var(--navy);font-weight:900}.story-row .avatar-text{width:54px;height:54px}.story-row p{margin:0 0 5px}.story-row small{color:var(--text-3)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-grid.two{grid-template-columns:1fr 1fr}.topic-card{background:white;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px}.topic-author{display:flex;align-items:center;gap:10px;margin-bottom:15px}.topic-author>div{display:grid}.topic-author small{color:var(--text-3);font-size:.72rem}.topic-card h3{font-size:1.08rem}.topic-card p{font-size:.87rem}.topic-related{padding:9px 11px;background:var(--sky-soft);border-radius:10px;color:var(--navy-soft);font-size:.78rem;margin:13px 0}.topic-card .card-foot .tag-row{margin-top:0}.topic-focus{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:start}.topic-angles{display:grid;gap:10px}.topic-angles span{padding:15px 17px;border-left:3px solid var(--primary);background:var(--sky-soft);border-radius:0 12px 12px 0}.discussion-timeline{border-left:2px solid var(--line-strong);padding-left:22px;display:grid;gap:16px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-31px;top:28px;width:14px;height:14px;background:var(--primary);border:4px solid var(--bg-blue);border-radius:50%}
.trend-layout{display:grid;grid-template-columns:.65fr 1.5fr;gap:55px}.trend-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.trend-list li{display:grid;grid-template-columns:44px 1fr auto;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);align-items:start}.trend-list>li>span{color:var(--primary);font-weight:900}.trend-list strong{display:block;margin-bottom:4px}.trend-list p{font-size:.8rem;margin:0}.trend-list em{font-style:normal;font-size:.72rem;color:var(--accent)}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud a{padding:10px 15px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);background:white}.special-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.special-card{min-height:240px;padding:24px;border-radius:var(--radius-large);background:linear-gradient(135deg,var(--navy),var(--navy-2));color:white;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.special-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 15%,rgba(140,204,240,.35),transparent 34%);pointer-events:none}.special-card span{color:#9fd8f7;font-size:.78rem}.special-card h3{font-size:1.45rem;position:relative}.special-card p{color:#d5e3ea;position:relative;margin-bottom:0}.special-card.image-two{background:linear-gradient(135deg,#244a64,#426f89)}.special-card.image-three{background:linear-gradient(135deg,#17344a,#365a6f)}.quick-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}.quick-list a{display:grid;grid-template-columns:120px 1fr auto;gap:15px;background:var(--surface);padding:15px}.quick-list span,.quick-list em{font-size:.76rem;color:var(--text-3);font-style:normal}.lesson-split{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.lesson-steps{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lesson-steps span{padding:18px;border-radius:16px;background:var(--sky-soft);display:flex;gap:12px;align-items:center}.lesson-steps b{color:var(--primary)}.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tutorial-card{padding:20px;border:1px solid var(--line);background:white;border-radius:var(--radius-card)}.tutorial-card p{font-size:.86rem}.tips-grid,.feature-cards,.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tips-grid article,.feature-cards article,.contact-grid article{padding:22px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}.tips-grid b{color:var(--primary);font-size:.78rem}.tips-grid p,.feature-cards p,.contact-grid p{font-size:.86rem;margin-bottom:0}
.app-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:70px;align-items:center}.app-art{position:relative;min-height:520px}.app-art>img:first-child{width:78%;aspect-ratio:4/5;object-fit:cover;border-radius:30px}.phone-art{position:absolute!important;width:42%!important;right:0;bottom:0;aspect-ratio:9/16!important;object-fit:cover;border-radius:30px!important;border:7px solid white;box-shadow:var(--shadow-hover)}.feature-list{display:grid;gap:12px;margin:24px 0}.feature-list>span{display:grid;grid-template-columns:105px 1fr;gap:14px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:.85rem;color:var(--text-2)}.feature-list b{color:var(--navy)}.steps-layout{display:grid;grid-template-columns:.8fr 1.2fr auto;gap:50px;align-items:start}.steps-layout ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.steps-layout li{padding:17px;border:1px solid var(--line);border-radius:16px;background:white;display:flex;gap:12px}.steps-layout li b{color:var(--primary)}.safety-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}.safety-layout>div{padding:28px;background:white;border:1px solid var(--line);border-radius:var(--radius-large)}.safety-layout img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:16px;margin-bottom:18px}.about-strip{display:grid;grid-template-columns:.55fr 1.35fr auto;gap:35px;align-items:center}.about-strip p{margin:0}.download-status{text-align:center;max-width:760px}.download-status p{max-width:650px;margin-inline:auto}.search-result-hero .wrap{max-width:920px}.search-page-form{max-width:760px}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:16px}.search-hit{padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);background:white}.search-hit h2{font-size:1.2rem}.empty-state{padding:70px 24px;text-align:center;background:var(--sky-soft);border-radius:var(--radius-large)}.error-state{max-width:850px}.watch-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.55fr);gap:30px}.player-shell{background:#0f2a3d;border-radius:var(--radius-large);overflow:hidden}.player-shell video{display:block;width:100%;aspect-ratio:16/9;background:#0f2a3d}.player-note{padding:10px 16px;color:#bdd1dc;font-size:.78rem}.watch-info{padding:24px 0}.watch-info h1{font-size:clamp(2rem,4vw,3.6rem)}.watch-side{background:var(--cream);border-radius:var(--radius-large);padding:24px;align-self:start;position:sticky;top:110px}.safe-note{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-warm)}.safe-note p{font-size:.84rem}.rank-20 .compact-video{grid-template-columns:48px 150px 1fr}.rank-20 .compact-video img{width:150px}.form-mock{max-width:820px}.form-mock label{display:grid;gap:7px;margin:15px 0}.form-mock input,.form-mock select,.form-mock textarea{border:1px solid var(--line-strong);border-radius:12px;background:white;padding:12px}.form-mock textarea{min-height:120px}.faq-wrap{display:grid;grid-template-columns:.55fr 1.45fr;gap:50px}.faq-list{display:grid;gap:10px}.faq-item{background:white;border:1px solid var(--line);border-radius:14px;padding:0 17px}.faq-item summary{cursor:pointer;font-weight:750;padding:17px 0}.faq-item p{font-size:.88rem;padding-bottom:16px;margin:0}.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:55px}.faq-columns .faq-wrap{display:block}.faq-columns .faq-title{margin-bottom:18px}
.site-footer{background:var(--navy);color:white;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:42px}.footer-grid>div{display:grid;align-content:start;gap:8px}.footer-grid>div>strong{margin-bottom:8px}.footer-grid a:not(.brand){color:#bed0da;font-size:.86rem}.footer-brand p{color:#b7cad5;font-size:.86rem;max-width:330px;margin-top:16px}.brand.inverse small{color:#9eb8c8}.footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#8fa8b7;font-size:.75rem}.mobile-bottom{display:none}.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);background:white;box-shadow:var(--shadow);cursor:pointer;z-index:90}.back-top[hidden]{display:none!important}
@media (max-width:1120px){
 .main-nav{display:none}.menu-toggle{display:block}.header-inner{gap:16px}.hero-grid,.page-hero .hero-grid{grid-template-columns:1fr 1fr;gap:42px}.video-grid.four{grid-template-columns:repeat(2,1fr)}.anchor-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.creator-cards{grid-template-columns:1fr 1fr}.tips-grid,.feature-cards,.contact-grid{grid-template-columns:repeat(2,1fr)}.media-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}.footer-grid>div:nth-child(n+4){margin-top:20px}.masonry-like{columns:3 220px}.app-layout{gap:40px}.steps-layout{grid-template-columns:.8fr 1.2fr}.steps-layout>a{grid-column:2}.about-strip{grid-template-columns:.6fr 1.4fr}.about-strip>a{grid-column:2}
}
@media (max-width:780px){
 body{padding-bottom:66px}.wrap{width:min(calc(100% - 28px),var(--wrap))}.section-space{padding:60px 0}.top-note .wrap{min-height:34px}.top-note a{display:none}.site-header{top:0}.header-inner{min-height:66px}.brand img{width:38px;height:38px}.brand small{display:none}.header-actions .icon-btn:nth-of-type(2),.app-mini{display:none}.mega-grid{grid-template-columns:1fr 1fr;gap:22px}.home-hero{padding-top:52px}.hero-grid,.page-hero .hero-grid{grid-template-columns:1fr}.hero-home{min-height:auto}.hero-copy{order:1}.hero-visual,.page-hero-art{order:2}.hero-visual>img{aspect-ratio:16/12}.panel-top{left:8px;top:12px}.panel-bottom{right:8px;bottom:12px}.float-panel{min-width:145px;padding:12px}.hero-search{margin-top:20px}.focus-strip>span{width:100%;margin-left:0}.section-head{display:block}.section-head .text-link{margin-top:12px}.channel-rail,.horizontal-rail{grid-auto-columns:82%}.anchor-rail{grid-auto-columns:64%}.video-grid.three,.video-grid.four{grid-template-columns:1fr 1fr;gap:14px}.video-grid .video-body{padding:13px}.video-grid .video-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.feature-split,.split-wide,.story-layout,.topic-focus,.trend-layout,.creator-spotlight,.lesson-split,.app-layout,.watch-layout{grid-template-columns:1fr;gap:30px}.story-layout.reverse .story-art,.story-layout.reverse .story-copy{order:initial}.editor-note,.watch-side{position:static}.feed-two{grid-template-columns:1fr}.compact-video{grid-template-columns:auto 92px 1fr}.compact-video:not(:has(.rank-no)){grid-template-columns:92px 1fr}.compact-video img{width:92px}.compact-video p{display:none}.masonry-like{columns:2 160px}.magazine-grid{grid-template-columns:1fr 1fr}.magazine-grid>*{grid-column:auto}.magazine-grid>.mag-large{grid-column:span 2}.bento-grid{grid-template-columns:1fr 1fr}.bento-grid>.video-card,.bento-grid>.video-card:nth-child(1),.bento-grid>.video-card:nth-child(2),.bento-grid>.video-card:nth-child(4){grid-column:auto}.live-stage{grid-template-columns:1fr}.live-side{grid-template-columns:1fr 1fr}.side-card{display:block}.side-card .live-cover{aspect-ratio:16/9}.anchor-grid{grid-template-columns:1fr}.media-grid,.media-grid.two{grid-template-columns:1fr}.media-card.wide{grid-template-columns:150px 1fr}.topic-grid,.topic-grid.two{grid-template-columns:1fr}.special-grid{grid-template-columns:1fr}.quick-list{grid-template-columns:1fr}.quick-list a{grid-template-columns:90px 1fr}.quick-list em{display:none}.tutorial-grid{grid-template-columns:1fr 1fr}.tips-grid,.feature-cards,.contact-grid{grid-template-columns:1fr 1fr}.app-art{min-height:420px}.steps-layout{grid-template-columns:1fr}.steps-layout ol{grid-template-columns:1fr 1fr}.steps-layout>a{grid-column:auto}.safety-layout{grid-template-columns:1fr}.about-strip{grid-template-columns:1fr;gap:16px}.about-strip>a{grid-column:auto}.search-results{grid-template-columns:1fr}.faq-wrap{grid-template-columns:1fr;gap:18px}.faq-columns{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid>div:nth-child(n+4){margin-top:0}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:120;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 max(6px,env(safe-area-inset-left)) max(8px,env(safe-area-inset-bottom))}.mobile-bottom a{text-align:center;font-size:.74rem;padding:8px 3px;color:var(--navy-soft)}.back-top{bottom:82px;right:14px}.rank-20 .compact-video{grid-template-columns:38px 90px 1fr}.rank-20 .compact-video img{width:90px}
}
@media (max-width:520px){
 h1{font-size:2.55rem}.page-hero h1{font-size:2.5rem}.header-actions{margin-left:auto}.header-actions .icon-btn{font-size:.82rem}.mega-grid{grid-template-columns:1fr}.hero-search,.search-row,.search-page-form{border-radius:14px}.hero-search button,.search-row button,.search-page-form button{padding-inline:14px}.video-grid.three,.video-grid.four{grid-template-columns:1fr}.masonry-like{columns:1}.magazine-grid{grid-template-columns:1fr}.magazine-grid>.mag-large{grid-column:auto}.bento-grid{grid-template-columns:1fr}.live-side{grid-template-columns:1fr}.anchor-rail{grid-auto-columns:78%}.creator-cards{grid-template-columns:1fr}.tutorial-grid{grid-template-columns:1fr}.tips-grid,.feature-cards,.contact-grid{grid-template-columns:1fr}.lesson-steps,.steps-layout ol{grid-template-columns:1fr}.media-card.wide{display:block}.app-art{min-height:340px}.feature-list>span{grid-template-columns:1fr;gap:4px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.search-dialog{padding:22px 18px;margin-top:5vh}.top-note{font-size:.74rem}
}