: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}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin-inline:auto}.section{padding:82px 0}.compact-section{padding:48px 0}.section--cream{background:var(--bg-cream)}.section--blue{background:var(--bg-blue)}.section--dark{background:var(--navy);color:#fff}.section--dark .eyebrow,.section--dark .section-header p,.section--dark small{color:rgba(255,255,255,.72)}.section--dark a{color:inherit}.skip-link{position:fixed;left:16px;top:-70px;z-index:2000;background:#fff;padding:10px 16px;border-radius:0 0 10px 10px;box-shadow:var(--shadow)}.skip-link:focus{top:0}.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}.eyebrow,.kicker{display:block;color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.section-header{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}.section-header>div{max-width:820px}.section-header h2{margin:.3rem 0 .5rem;font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.18;letter-spacing:-.02em}.section-header p{margin:0;color:var(--text-2);max-width:760px}.section-header--d{display:block;text-align:center}.section-header--d>div{margin:auto}.section-header--e h2{font-size:clamp(2rem,4vw,3.2rem)}.text-link{color:var(--primary);font-weight:760;white-space:nowrap}.text-link:hover{text-decoration:underline}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:var(--radius-pill);border:1px solid transparent;font-weight:760;transition:.2s ease}.button--primary{background:var(--primary);color:#fff}.button--primary:hover{background:var(--navy-2);transform:translateY(-1px)}.button--outline{background:rgba(255,255,255,.72);border-color:var(--line-strong);color:var(--navy)}.button--outline:hover{border-color:var(--primary);color:var(--primary)}.button--light{background:#fff;color:var(--navy)}.button--disabled{background:#e9eef1;color:#82929a;cursor:not-allowed}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.chip-row,.tab-row{display:flex;flex-wrap:wrap;gap:10px}.chip-row a,.tab-row button,.tag{padding:7px 13px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--line);color:var(--navy-2);font-size:.9rem}.chip-row a:hover,.tab-row button:hover,.tab-row button.active{background:var(--sky-soft);border-color:var(--line-strong);color:var(--primary)}

.top-notice{background:var(--navy);color:#fff;font-size:.86rem}.notice-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}.notice-inner a{color:var(--sky-light)}.site-header{position:sticky;top:0;z-index:900;background:rgba(255,249,238,.88);border-bottom:1px solid rgba(74,155,212,.10);backdrop-filter:blur(18px)}.header-row{min-height:74px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px}.brand img{width:42px;height:42px;object-fit:cover;border-radius:12px}.brand span{display:grid;line-height:1.08}.brand b{font-size:1.12rem;color:var(--navy)}.brand small{margin-top:4px;font-size:.62rem;letter-spacing:.12em;color:var(--text-3)}.desktop-nav{display:flex;justify-content:center;gap:4px}.desktop-nav a{padding:9px 12px;border-radius:var(--radius-pill);font-weight:680;color:var(--navy-2)}.desktop-nav a:hover,.desktop-nav a.active{background:var(--sky-soft);color:var(--primary)}.header-actions{display:flex;align-items:center;gap:7px}.header-button,.header-link,.menu-toggle,.icon-button{border:0;background:transparent;color:var(--navy);cursor:pointer;padding:9px 10px;border-radius:10px}.header-button:hover,.header-link:hover,.menu-toggle:hover{background:#fff}.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}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:30px}.mega-grid>div{display:grid;gap:8px}.mega-grid a{padding:8px 0;color:var(--text-2)}.mega-grid a:hover{color:var(--primary)}

.search-modal{display:none;position:fixed;inset:0;z-index:1500;align-items:flex-start;justify-content:center;padding:12vh 20px 40px;background:rgba(15,42,61,.48);backdrop-filter:blur(6px)}.search-modal.is-open{display:flex}.search-modal[hidden]{display:none !important}.search-dialog{width:min(760px,100%);background:var(--surface-cream);border-radius:var(--radius-large);padding:28px;box-shadow:0 30px 90px rgba(15,42,61,.22);border:1px solid rgba(255,255,255,.8)}.search-dialog__head{display:flex;justify-content:space-between;align-items:start;gap:20px}.search-dialog__head h2{margin:.25rem 0 0;font-size:clamp(1.5rem,4vw,2.2rem);line-height:1.2}.icon-button{font-size:2rem;line-height:1}.search-form,.hero-search{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:22px}.search-form input,.hero-search input{width:100%;min-height:52px;padding:0 16px;border:1px solid var(--line-strong);background:#fff;border-radius:14px;outline:none}.search-form input:focus,.hero-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(74,155,212,.1)}.search-suggestions{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.search-suggestions p{color:var(--text-2);font-size:.9rem}

.hero-section,.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--cream) 0%,var(--bg) 45%,var(--sky-soft) 100%)}.hero-section:before,.page-hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-180px;top:-260px;background:rgba(109,183,230,.12);pointer-events:none}.hero-grid,.page-hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(360px,5fr);align-items:center;gap:54px;min-height:680px;padding-block:76px}.page-hero-grid{min-height:480px}.page-hero:not(:has(.page-hero-grid))>.wrap{padding-block:86px}.hero-copy h1,.page-hero h1{font-size:clamp(2.8rem,6vw,5.6rem);line-height:1.02;letter-spacing:-.055em;margin:.35rem 0 1.15rem;color:var(--navy);max-width:850px}.page-hero h1{font-size:clamp(2.4rem,5vw,4.7rem)}.hero-lead,.page-hero p{font-size:1.08rem;color:var(--text-2);max-width:760px}.hero-lead--secondary{font-size:.98rem}.hero-media{position:relative}.hero-media>img,.page-hero-grid>img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:36px;box-shadow:var(--shadow-hover)}.page-hero-grid>img{aspect-ratio:16/12;max-height:430px}.floating-card{position:absolute;min-width:210px;background:rgba(255,255,255,.92);padding:16px 18px;border:1px solid rgba(255,255,255,.8);border-radius:18px;box-shadow:var(--shadow);display:grid;gap:2px}.floating-card strong{color:var(--navy)}.floating-card small{color:var(--text-2)}.floating-card--top{left:-32px;top:36px}.floating-card--bottom{right:-26px;bottom:34px}.live-badge{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:999px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:900;letter-spacing:.08em}

.video-card{min-width:0}.video-card__media{position:relative;display:block;overflow:hidden;border-radius:var(--radius-card);background:var(--sky-soft);aspect-ratio:16/9}.video-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.video-card:hover .video-card__media img{transform:scale(1.02)}.play-icon{position:absolute;left:14px;bottom:13px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--navy);transition:transform .2s}.video-card:hover .play-icon{transform:scale(1.06)}.duration{position:absolute;right:10px;bottom:10px;padding:4px 8px;border-radius:8px;background:rgba(15,42,61,.78);color:#fff;font-size:.75rem}.video-card__body{padding:14px 3px}.video-card__body h3{font-size:1.05rem;line-height:1.4;margin:.45rem 0}.video-card__body h3 a:hover{color:var(--primary)}.card-summary{margin:0 0 10px;color:var(--text-2);font-size:.93rem}.eyeline,.card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--text-3);font-size:.78rem}.tag-row{display:flex;gap:4px}.tag{padding:2px 7px;font-size:.7rem}.video-card--feature{background:#fff;border-radius:24px;padding:12px}.video-card--feature .video-card__media{aspect-ratio:4/3}.video-card--compact{min-width:270px}.video-card--rail{min-width:330px}.video-card--home{background:transparent}

.live-card{overflow:hidden;background:#fff;border-radius:var(--radius-card);border:1px solid var(--line)}.live-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}.live-card__media img{width:100%;height:100%;object-fit:cover}.live-card__media .live-badge{position:absolute;left:12px;top:12px}.live-card__body{padding:14px}.live-card__body h3{margin:.3rem 0}.live-summary{color:var(--text-2);font-size:.9rem}.section--dark .live-card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}.section--dark .live-card__body h3{color:#fff}.section--dark .live-summary,.section--dark .card-meta{color:rgba(255,255,255,.72)}

.anchor-card{display:grid;grid-template-columns:92px 1fr;gap:16px;padding:16px;border-radius:22px;background:var(--surface);border:1px solid var(--line)}.anchor-card img{width:92px;height:92px;border-radius:50%;object-fit:cover}.anchor-card h3{margin:.2rem 0}.anchor-card strong{font-size:.86rem;color:var(--primary)}.anchor-intro{margin:.35rem 0;color:var(--text-2);font-size:.9rem}.status-dot{font-size:.73rem;color:var(--accent);font-weight:800}.section--dark .anchor-card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}.section--dark .anchor-intro{color:rgba(255,255,255,.72)}

.topic-card{padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line)}.topic-author{display:flex;align-items:center;gap:10px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--sky-soft);color:var(--primary);font-weight:800}.topic-author>div{display:grid}.topic-author small,.topic-link,.topic-card>small{color:var(--text-3);font-size:.8rem}.topic-card h3{margin:.9rem 0 .4rem}.topic-excerpt{color:var(--text-2)}.topic-link{padding-top:10px;border-top:1px solid var(--line);margin-bottom:7px}.section--dark .topic-card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}.section--dark .topic-excerpt{color:rgba(255,255,255,.74)}

.faq-list{display:grid;gap:10px;max-width:980px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.faq-item h3{margin:0}.faq-question{width:100%;display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 20px;border:0;background:transparent;text-align:left;color:var(--navy);font-weight:760;cursor:pointer}.faq-answer{padding:0 20px 18px;color:var(--text-2)}.faq-answer[hidden]{display:none}.faq-answer p{margin:0}.closing-note{margin-top:26px;padding:18px 20px;background:var(--sky-soft);border-left:3px solid var(--primary);border-radius:0 14px 14px 0;color:var(--text-2)}

.inline-discovery{display:flex;align-items:center;gap:18px;padding:18px 22px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.72)}.channel-chip-track,.content-rail,.avatar-track,.creator-strip{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity;scrollbar-width:thin}.channel-chip{display:flex;flex:0 0 300px;gap:12px;align-items:center;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;scroll-snap-align:start}.channel-chip img{width:70px;height:70px;object-fit:cover;border-radius:14px}.channel-chip span{display:grid}.channel-chip small{color:var(--text-2);font-size:.8rem}.spotlight-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:36px;align-items:center}.spotlight-media{position:relative}.spotlight-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:28px}.spotlight-copy h2{font-size:clamp(1.8rem,4vw,3.2rem);line-height:1.15;margin:.45rem 0}.spotlight-copy p{color:var(--text-2)}.editor-note{padding:16px 18px;background:var(--cream);border:1px solid var(--line-warm);border-radius:16px}.editor-note p{margin:.35rem 0 0}.one-four-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:18px}.one-four-side{display:grid;grid-template-columns:1fr 1fr;gap:18px}.one-four-main .video-card__media{aspect-ratio:4/3}.one-four-main h3{font-size:1.35rem}.ranking-split{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:40px;align-items:start}.ranking-list{list-style:none;margin:0;padding:0;display:grid}.ranking-list li{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.rank-number{font-size:1.5rem;font-weight:900;color:var(--primary);font-variant-numeric:tabular-nums}.ranking-list a{display:grid}.ranking-list small{color:var(--text-3)}.ranking-feature{padding:18px;border-radius:24px;background:var(--cream)}.ranking-feature img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}.ranking-feature h3{font-size:1.35rem}.ranking-feature p{color:var(--text-2)}.two-column-feed{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}.feed-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.feed-row img{width:150px;aspect-ratio:16/10;object-fit:cover;border-radius:14px}.feed-row h3{margin:.25rem 0}.feed-row p{margin:.2rem 0;color:var(--text-2);font-size:.9rem}.feed-row small{color:var(--text-3)}.masonry-grid{columns:4 260px;column-gap:18px}.masonry-item{break-inside:avoid;margin-bottom:22px}.masonry-item--2 .video-card__media{aspect-ratio:4/5}.masonry-item--3 .video-card__media{aspect-ratio:1/1}.content-rail>*{flex:0 0 min(330px,82vw);scroll-snap-align:start}.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.split-feature>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px}.split-feature h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.15}.split-feature p{color:var(--text-2)}.link-list{list-style:none;margin:20px 0 0;padding:0}.link-list li{border-top:1px solid var(--line)}.link-list a{display:grid;padding:12px 0}.link-list small{color:var(--text-3)}

.layout-bento{}.bento-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(170px,auto);gap:16px}.bento-card{position:relative;overflow:hidden;border-radius:24px;background:var(--surface);border:1px solid var(--line);min-height:260px}.bento-card img{width:100%;height:100%;object-fit:cover}.bento-card>div{position:absolute;inset:auto 0 0;padding:22px;color:#fff;background:linear-gradient(transparent,rgba(15,42,61,.9))}.bento-card h3{margin:.3rem 0}.bento-card p{margin:.3rem 0;font-size:.88rem}.bento-card--1{grid-column:span 7;grid-row:span 2}.bento-card--2{grid-column:span 5}.bento-card--3{grid-column:span 5}.bento-card--4,.bento-card--5,.bento-card--6{grid-column:span 4}.section--dark .bento-card{border-color:rgba(255,255,255,.12)}

.layout-stage{}.live-stage{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(330px,.55fr);gap:18px}.live-stage__main{position:relative;overflow:hidden;border-radius:28px;min-height:520px}.live-stage__main>img{width:100%;height:100%;object-fit:cover}.live-stage__main>.live-badge{position:absolute;left:22px;top:22px}.live-stage__copy{position:absolute;left:0;right:0;bottom:0;padding:70px 30px 28px;background:linear-gradient(transparent,rgba(15,42,61,.92));color:#fff}.live-stage__copy h2{font-size:2rem;margin:.2rem 0}.live-stage__side{display:grid;gap:12px;max-height:520px;overflow:auto}.live-stage__side .live-card{display:grid;grid-template-columns:145px 1fr}.live-stage__side .live-card__media{aspect-ratio:1/1}.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.avatar-item{display:grid;justify-items:center;text-align:center;flex:0 0 145px}.avatar-item img{width:86px;height:86px;border-radius:50%;object-fit:cover;border:4px solid #fff;box-shadow:0 0 0 1px var(--line)}.avatar-item span{color:var(--primary);font-size:.82rem}.avatar-item small{color:var(--text-3);font-size:.75rem}.anchor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.direction-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;align-items:start}.direction-layout h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15}.direction-layout p{color:var(--text-2)}.direction-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.direction-grid a{display:flex;align-items:center;gap:12px;padding:15px;border-radius:14px;background:#fff;border:1px solid var(--line)}.direction-grid span{color:var(--primary);font-size:.76rem}.direction-grid a:hover{border-color:var(--primary)}

.media-immersive{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}.media-immersive h2{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.05}.media-immersive p{color:rgba(255,255,255,.74)}.media-immersive img{border-radius:30px;aspect-ratio:16/10;object-fit:cover}.media-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.media-list article{padding:20px;border-top:2px solid var(--line-strong);background:var(--surface)}.media-list p{color:var(--text-2)}.compact-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.knowledge-split{display:grid;grid-template-columns:.65fr 1.35fr;gap:46px}.knowledge-split h2{font-size:clamp(2rem,4vw,3.1rem);line-height:1.15}.knowledge-split p{color:var(--text-2)}.knowledge-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.knowledge-list a{display:grid;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}.knowledge-list span{color:var(--primary);font-size:.75rem}.knowledge-list small{color:var(--text-3);margin-top:5px}.creator-strip article{flex:0 0 250px;position:relative}.creator-strip img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:22px}.creator-strip span{display:block;color:var(--primary);margin-top:10px;font-size:.8rem}.creator-strip h3{margin:.25rem 0}.story-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.story-feature__main{overflow:hidden;border-radius:28px;background:#fff}.story-feature__main img{width:100%;aspect-ratio:16/10;object-fit:cover}.story-feature__main>div{padding:24px}.story-feature__list{display:grid;gap:10px}.story-feature__list article{padding:18px;background:#fff;border-radius:18px;border:1px solid var(--line)}.story-feature__list h3{margin:.25rem 0}.story-feature__list p{margin:.4rem 0;color:var(--text-2);font-size:.9rem}.creator-story-grid{display:grid;gap:22px}.creator-story-grid article{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:center;padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line)}.creator-story-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}

.community-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.topic-focus{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}.topic-focus h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.12}.topic-focus p{color:var(--text-2)}.topic-angles{display:grid;gap:10px}.topic-angles article{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}.topic-angles p{margin:.4rem 0 0}.timeline-feed{max-width:980px;margin:auto}.timeline-feed article{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.timeline-feed time{color:var(--primary);font-size:.8rem}.timeline-feed h3{margin:.15rem 0}.timeline-feed p{margin:.4rem 0;color:var(--text-2)}.trend-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px}.trend-grid article>div:first-child{display:flex;justify-content:space-between}.trend-grid p{margin:.35rem 0;color:var(--text-2);font-size:.88rem}.trend-bar{height:8px;background:rgba(74,155,212,.10);border-radius:999px;overflow:hidden}.trend-bar i{display:block;width:var(--value);height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:inherit}.tag-cloud-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:50px;align-items:center}.tag-cloud-layout h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud a{padding:10px 14px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;color:var(--navy-2)}.section--dark .tag-cloud a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}.special-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.special-grid article{overflow:hidden;border-radius:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}.special-grid img{width:100%;aspect-ratio:16/10;object-fit:cover}.special-grid article>*:not(img){margin-left:18px;margin-right:18px}.special-grid span{display:block;margin-top:16px;color:var(--sky-light);font-size:.8rem}.special-grid h3{margin-top:4px}.special-grid p,.special-grid small{color:rgba(255,255,255,.72)}.special-grid small{display:block;padding-bottom:18px}.updates-board{display:grid;grid-template-columns:.65fr 1.35fr;gap:46px}.updates-board h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15}.updates-list{display:grid}.updates-list a{display:grid;grid-template-columns:110px 1fr 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.updates-list time{color:var(--primary);font-size:.8rem}.updates-list span{color:var(--text-2);font-size:.88rem}

.lesson-cards,.feature-mini-grid,.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.lesson-cards article,.feature-mini-grid article,.info-grid article{padding:19px;border-radius:20px;background:#fff;border:1px solid var(--line)}.lesson-cards span{color:var(--primary);font-size:.8rem}.lesson-cards h3,.feature-mini-grid h3,.info-grid h2{margin:.3rem 0}.lesson-cards p,.feature-mini-grid p,.info-grid p{color:var(--text-2);font-size:.9rem}.feature-mini-grid article{display:flex;gap:12px}.feature-mini-grid article>span{font-size:1.4rem;color:var(--primary)}.tutorial-list{display:grid;gap:8px}.tutorial-list>a,.tutorial-list>article{display:grid;grid-template-columns:120px .8fr 1.6fr 80px;gap:18px;align-items:center;padding:15px 16px;border-radius:14px;background:#fff;border:1px solid var(--line)}.tutorial-list span{color:var(--primary);font-size:.8rem}.tutorial-list small{color:var(--text-2)}.tutorial-list em{font-style:normal;color:var(--text-3);text-align:right}.tip-intro{max-width:760px;margin-bottom:26px}.tip-intro h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15}.tip-intro p{color:var(--text-2)}.tip-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tip-columns article{padding:20px;border-top:3px solid var(--primary);background:#fff}.tip-columns p{color:var(--text-2)}

.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:60px}.device-stack{position:relative;min-height:520px}.app-art{position:absolute;left:0;top:30px;width:72%;border-radius:28px;box-shadow:var(--shadow-hover)}.phone-art{position:absolute;right:3%;bottom:0;width:46%;border-radius:28px;box-shadow:var(--shadow-hover)}.app-showcase h1,.app-showcase h2{font-size:clamp(2.2rem,4.5vw,4.2rem);line-height:1.08}.app-showcase p{color:var(--text-2)}.step-timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-timeline li{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}.step-timeline li>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--sky-soft);color:var(--primary);font-weight:900}.step-timeline b{display:block;margin-top:16px}.step-timeline p{color:var(--text-2);font-size:.9rem}.safety-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.safety-pair article{display:grid;grid-template-columns:180px 1fr;grid-template-rows:auto auto 1fr auto;column-gap:22px;padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line)}.safety-pair img{grid-row:1/5;width:180px;height:100%;min-height:220px;object-fit:cover;border-radius:18px}.safety-pair h2{margin:.4rem 0}.safety-pair p{color:var(--text-2)}.about-feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.about-feature img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px}.about-feature h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.15}.about-feature p{color:var(--text-2)}.download-state{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center;max-width:900px;margin:auto;padding:26px;background:#fff;border:1px solid var(--line);border-radius:28px}.download-state img{border-radius:22px}.watch-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:28px}.player-shell video{width:100%;aspect-ratio:16/9;background:#0f2a3d;border-radius:24px}.player-note{margin-top:10px;color:var(--text-2);font-size:.85rem}.watch-info{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line)}.watch-info h2{font-size:2rem;line-height:1.2}.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:8px 0}.watch-info dt{color:var(--text-3)}.watch-info dd{margin:0}.empty-state,.empty-page{padding:28px;border-radius:22px;background:var(--surface);border:1px dashed var(--line-strong);color:var(--text-2)}

.magazine-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.magazine-card{padding:14px;border-radius:22px;background:#fff;border:1px solid var(--line)}.magazine-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px}.magazine-card--1,.magazine-card--2{grid-column:span 6}.magazine-card--3,.magazine-card--4,.magazine-card--5{grid-column:span 4}.magazine-card p{color:var(--text-2)}.note-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:44px}.note-grid h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15}.note-grid p{color:inherit;opacity:.78}.note-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.note-cards article{padding:18px;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:18px}.section--dark .note-cards article{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#fff}.section--dark .note-cards p{color:rgba(255,255,255,.72)}

.site-footer{background:var(--navy);color:#fff;padding:64px 0 100px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:34px}.footer-brand p{color:rgba(255,255,255,.68);max-width:300px}.brand--footer b{color:#fff}.site-footer h2{font-size:.9rem;color:var(--sky-light)}.site-footer>div>div:not(.footer-brand){display:grid;align-content:start;gap:8px}.site-footer a{color:rgba(255,255,255,.78)}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.55);font-size:.82rem}.mobile-bottom-nav{display:none}.back-to-top{position:fixed;right:22px;bottom:22px;z-index:700;width:44px;height:44px;border-radius:50%;border:0;background:var(--navy);color:#fff;box-shadow:var(--shadow);cursor:pointer}.back-to-top[hidden]{display:none}

@media (max-width:1100px){
.desktop-nav{display:none}.header-row{grid-template-columns:auto 1fr}.header-actions{justify-self:end}.hero-grid,.page-hero-grid{grid-template-columns:1fr 1fr;gap:30px}.hero-copy h1{font-size:clamp(2.7rem,6vw,4.5rem)}.one-four-grid,.ranking-split,.spotlight-grid,.split-feature,.media-immersive,.story-feature,.topic-focus,.updates-board,.tag-cloud-layout,.note-grid,.direction-layout,.knowledge-split,.about-feature,.app-showcase{grid-template-columns:1fr}.one-four-side,.media-list,.anchor-grid,.live-grid,.compact-card-grid,.lesson-cards,.feature-mini-grid,.info-grid{grid-template-columns:repeat(2,1fr)}.ranking-feature{display:grid;grid-template-columns:200px 1fr;gap:20px}.live-stage{grid-template-columns:1fr}.live-stage__side{grid-template-columns:1fr 1fr;max-height:none}.live-stage__side .live-card{grid-template-columns:120px 1fr}.device-stack{min-height:480px;max-width:650px}.safety-pair article{grid-template-columns:140px 1fr}.safety-pair img{width:140px}.footer-grid{grid-template-columns:1.5fr repeat(2,1fr)}.special-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:760px){
.wrap{width:min(calc(100% - 28px),var(--wrap))}.section{padding:58px 0}.compact-section{padding:38px 0}.top-notice{display:none}.site-header{top:0}.header-row{min-height:64px}.brand img{width:38px;height:38px}.brand small{display:none}.header-actions .header-link{display:none}.header-button,.menu-toggle{font-size:.86rem;padding:8px}.mega-menu{position:fixed;top:64px;bottom:70px;overflow:auto}.mega-grid{grid-template-columns:1fr 1fr}.hero-grid,.page-hero-grid{grid-template-columns:1fr;min-height:auto;padding-block:52px}.hero-copy h1,.page-hero h1{font-size:clamp(2.45rem,13vw,4rem)}.hero-media{order:-1}.hero-media>img,.page-hero-grid>img{aspect-ratio:16/10;border-radius:24px}.floating-card{min-width:0;max-width:65%;padding:12px}.floating-card--top{left:8px;top:10px}.floating-card--bottom{right:8px;bottom:10px}.search-modal{padding:7vh 12px 22px}.search-dialog{padding:20px;border-radius:22px}.search-form,.hero-search{grid-template-columns:1fr}.section-header{display:block}.section-header .text-link{display:inline-block;margin-top:12px}.inline-discovery{align-items:flex-start;flex-direction:column}.channel-chip-track,.content-rail,.avatar-track,.creator-strip{width:calc(100vw - 14px);margin-right:calc((100vw - 100%)/-2);padding-right:24px}.channel-chip{flex-basis:285px}.one-four-side{grid-template-columns:1fr}.two-column-feed,.community-columns,.trend-grid,.tip-columns,.safety-pair{grid-template-columns:1fr}.feed-row{grid-template-columns:120px 1fr}.feed-row img{width:120px}.masonry-grid{columns:2 210px}.bento-grid{display:flex;overflow-x:auto}.bento-card{flex:0 0 82vw;min-height:360px}.live-stage__main{min-height:420px}.live-stage__side{display:flex;overflow-x:auto}.live-stage__side .live-card{flex:0 0 82vw;display:grid;grid-template-columns:130px 1fr}.live-grid,.anchor-grid,.compact-card-grid,.media-list,.lesson-cards,.feature-mini-grid,.info-grid{grid-template-columns:1fr 1fr}.anchor-card{grid-template-columns:78px 1fr}.anchor-card img{width:78px;height:78px}.direction-grid{grid-template-columns:1fr 1fr}.knowledge-list{grid-template-columns:1fr}.creator-story-grid article{grid-template-columns:100px 1fr}.timeline-feed article{grid-template-columns:76px 1fr}.special-grid{display:flex;overflow-x:auto}.special-grid article{flex:0 0 82vw}.updates-list a{grid-template-columns:84px 1fr}.updates-list span{display:none}.tutorial-list>a,.tutorial-list>article{grid-template-columns:90px 1fr}.tutorial-list small{grid-column:1/3}.tutorial-list em{display:none}.step-timeline{display:flex;overflow-x:auto}.step-timeline li{flex:0 0 75vw}.safety-pair article{grid-template-columns:110px 1fr}.safety-pair img{width:110px;min-height:170px}.download-state,.watch-grid{grid-template-columns:1fr}.note-cards{grid-template-columns:1fr}.ranking-feature{grid-template-columns:1fr}.ranking-list li{grid-template-columns:38px 1fr}.ranking-list li>span:last-child{display:none}.magazine-grid{display:flex;overflow-x:auto}.magazine-card{flex:0 0 82vw}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-bottom{display:grid}.site-footer{padding-bottom:120px}.mobile-bottom-nav{position:fixed;z-index:850;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,253,248,.96);border-top:1px solid var(--line);backdrop-filter:blur(16px);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}.mobile-bottom-nav a{display:grid;justify-items:center;gap:1px;padding:5px 2px;border-radius:10px;font-size:.7rem;color:var(--text-2)}.mobile-bottom-nav a span{font-size:1rem}.mobile-bottom-nav a.active{background:var(--sky-soft);color:var(--primary)}.back-to-top{bottom:86px}.footer-bottom{font-size:.76rem}
}

@media (max-width:480px){
.live-grid,.anchor-grid,.compact-card-grid,.media-list,.lesson-cards,.feature-mini-grid,.info-grid{grid-template-columns:1fr}.masonry-grid{columns:1}.direction-grid{grid-template-columns:1fr}.safety-pair article{grid-template-columns:1fr}.safety-pair img{grid-row:auto;width:100%;height:180px}.creator-story-grid article{grid-template-columns:1fr}.creator-story-grid img{max-height:220px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.mega-grid{grid-template-columns:1fr}.hero-actions{display:grid}.hero-actions .button{width:100%}
}