:root{--bg:#fff;--bg-soft:#F5F8FF;--bg-blue:#EAF0FF;--bg-gray:#F7F7F8;--ink:#1A1F2E;--text:#333847;--muted:#667085;--faint:#98A2B3;--blue:#4F6EF7;--blue2:#6B8AFF;--indigo:#3B5BDB;--deep:#2A3F9D;--line:rgba(79,110,247,.14);--gray-line:rgba(0,0,0,.08);--shadow:0 14px 40px rgba(30,40,80,.08);--blue-shadow:0 16px 42px rgba(79,110,247,.14);--radius:20px;--nav-h:72px;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}a,button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.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;left:16px;top:-80px;z-index:300;background:#fff;color:var(--deep);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--gray-line)}.nav-wrap{width:min(var(--max),calc(100% - 32px));height:var(--nav-h);margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;min-width:max-content}.brand-logo{width:auto;height:38px;object-fit:contain}.brand-text{font-size:22px;font-weight:900;letter-spacing:-.5px;color:var(--ink)}.desktop-nav{display:flex;align-items:center;gap:6px;flex:1}.desktop-nav a,.text-button{position:relative;padding:10px 12px;border-radius:999px;color:var(--muted);font-weight:700;border:0;background:transparent}.desktop-nav a:hover,.text-button:hover,.desktop-nav a.is-active,.text-button.is-active{background:var(--bg-blue);color:var(--deep)}.desktop-nav a.is-active:after{content:"";position:absolute;height:3px;border-radius:9px;background:var(--blue);left:16px;right:16px;bottom:3px}.nav-actions{display:flex;gap:7px;align-items:center}.app-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border-radius:999px;background:linear-gradient(135deg,#6B8AFF 0%,#4F6EF7 55%,#3B5BDB 100%);color:#fff;font-weight:800;box-shadow:var(--blue-shadow);white-space:nowrap}.app-button:hover,.primary-button:hover{transform:translateY(-1px)}.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--deep);font-weight:800;white-space:nowrap}.icon-button{min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-weight:800}.mobile-menu-trigger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px}.mobile-menu-trigger span{width:18px;height:2px;background:var(--ink);border-radius:2px}.site-main{min-height:60vh}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.section{padding:72px 0}.section.compact{padding:48px 0}.soft-section{background:var(--bg-soft)}.blue-section{background:var(--bg-blue)}.gray-section{background:var(--bg-gray)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head h2,.page-hero h1{margin:0;color:var(--ink);letter-spacing:-.04em}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15}.section-head p{max-width:700px;margin:8px 0 0;color:var(--muted)}.eyebrow{display:inline-block;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}.page-hero{padding:68px 0 36px}.page-hero .hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:36px;align-items:center}.page-hero h1{font-size:clamp(38px,6vw,72px);line-height:1.05}.page-hero .lead{font-size:18px;color:var(--muted);max-width:780px;margin:20px 0 0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.media-slot{position:relative;aspect-ratio:16/10;border-radius:26px;overflow:hidden;background:linear-gradient(145deg,#EEF3FF,#D6E0FF);box-shadow:var(--blue-shadow)}.media-slot img{width:100%;height:100%;object-fit:contain;background:#fff}.media-slot.cover img{object-fit:cover}.media-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 30% 20%,#fff 0,#EEF3FF 35%,#D6E0FF 100%);color:var(--deep)}.media-fallback span{font-weight:900;font-size:clamp(26px,5vw,54px);letter-spacing:-.04em}.media-fallback small{margin-top:4px;font-weight:800;letter-spacing:.18em}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--gray-line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 8px 24px rgba(30,40,80,.04)}.card:hover{border-color:var(--line);box-shadow:var(--shadow)}.card h3{margin:4px 0 10px;color:var(--ink);font-size:22px;line-height:1.3}.card p{margin:0;color:var(--muted)}.card .tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--bg-blue);color:var(--deep);font-size:12px;font-weight:900}.card-link{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:800}.feature-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:28px;align-items:stretch}.feature-copy{padding:34px;border:1px solid var(--line);border-radius:26px;background:#fff}.feature-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.12;color:var(--ink);margin:0 0 16px}.feature-copy p{color:var(--muted)}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;border-top:1px solid var(--gray-line);padding:18px 0}.number-item strong{font-size:28px;color:var(--blue)}.number-item h3{margin:0;color:var(--ink)}.number-item p{margin:5px 0 0;color:var(--muted)}.chip-row{display:flex;gap:10px;overflow:auto;padding:3px 0 10px;scrollbar-width:thin}.chip{flex:0 0 auto;padding:9px 14px;border:1px solid var(--gray-line);border-radius:999px;background:#fff;color:var(--muted);font-weight:800}.chip:hover,.chip.is-active{border-color:var(--line);background:var(--bg-blue);color:var(--deep)}.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:11px}.timeline article{position:relative;padding:0 0 30px 30px}.timeline article:before{content:"";position:absolute;left:-8px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #fff}.timeline h3{margin:0;color:var(--ink)}.timeline p{margin:6px 0 0;color:var(--muted)}.quote-card{background:var(--bg-soft);border-left:4px solid var(--blue);padding:22px 24px;border-radius:0 18px 18px 0}.quote-card strong{color:var(--deep)}.editorial-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:26px}.article-stack{display:grid;gap:18px}.article-block{padding:28px 0;border-bottom:1px solid var(--gray-line)}.article-block:first-child{padding-top:0}.article-block h2{color:var(--ink);font-size:30px;margin:0 0 10px}.article-block p{margin:0 0 14px;color:var(--text)}.side-note{position:sticky;top:96px;align-self:start;padding:24px;border-radius:20px;background:var(--bg-soft);border:1px solid var(--line)}.side-note h2{margin-top:0;color:var(--ink)}.side-note a{display:block;padding:10px 0;border-bottom:1px solid var(--gray-line);color:var(--deep);font-weight:700}.mini-list{display:grid;gap:12px}.mini-list a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--gray-line);font-weight:800;color:var(--ink)}.mini-list a span{color:var(--faint);font-weight:600}.hero-editorial{padding:54px 0 26px}.editorial-hero-grid{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(300px,1fr);gap:22px;align-items:stretch}.editorial-copy{display:flex;flex-direction:column;justify-content:center;padding:34px;border-radius:26px;background:var(--bg-soft);border:1px solid var(--line)}.editorial-copy h1{font-size:clamp(36px,5.5vw,68px);line-height:1.06;color:var(--ink);margin:0}.editorial-copy p{color:var(--muted);font-size:17px}.recommend-list{margin-top:24px;display:grid;gap:10px}.recommend-list a{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--gray-line);font-weight:800}.quick-channel{padding:20px 0;border-bottom:1px solid var(--gray-line)}.quick-channel .chip-row{width:min(var(--max),calc(100% - 32px));margin:auto}.app-showcase{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:34px;align-items:center}.app-showcase .media-slot{aspect-ratio:4/5}.legal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.legal-panel{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line)}.legal-panel h3{font-size:26px;color:var(--ink);margin-top:0}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--gray-line);border-radius:16px;background:#fff;padding:0 20px}.faq-list summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;color:var(--ink)}.faq-list summary::-webkit-details-marker{display:none}.faq-list details p{padding:0 0 18px;margin:0;color:var(--muted)}.site-footer{background:#151A28;color:#F0F3FA;padding:64px 0 92px}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.footer-brand{display:grid;grid-template-columns:auto 1fr;gap:14px 18px;align-items:center;max-width:740px}.footer-brand p{grid-column:1/-1;color:#b9c0d1}.footer-brand strong{display:block;font-size:24px}.footer-brand span{display:block;color:#aab4cc;font-size:12px;letter-spacing:.16em;font-weight:800}.footer-logo{max-width:120px;max-height:40px;object-fit:contain}.footer-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:40px 0}.footer-columns section{display:grid;gap:8px}.footer-columns h2{font-size:14px;color:#fff}.footer-columns a{color:#c9d0de}.footer-columns a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;color:#aab4cc;font-size:13px}.overlay{position:fixed;inset:0;z-index:160;background:rgba(19,24,38,.46);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;bottom:0;z-index:180;width:min(460px,88vw);background:#fff;box-shadow:-20px 0 60px rgba(20,30,60,.18);transform:translateX(103%);visibility:hidden;pointer-events:none;transition:.24s}.channel-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--gray-line)}.close-button{width:44px;height:44px;border:0;border-radius:50%;background:var(--bg-gray);font-size:28px;color:var(--ink)}.panel-scroll{height:calc(100% - 72px);overflow-y:auto;padding:14px 22px 30px}.panel-scroll section{padding:16px 0}.panel-scroll h2{font-size:13px;color:var(--faint);letter-spacing:.12em}.panel-scroll a{display:block;padding:12px 0;border-bottom:1px solid var(--gray-line)}.panel-scroll strong{display:block;color:var(--ink)}.panel-scroll span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.search-panel{position:fixed;top:72px;left:0;right:0;z-index:175;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-inner{width:min(980px,calc(100% - 32px));margin:auto;padding:34px 0 42px}.search-head{display:flex;justify-content:space-between;align-items:start}.search-head h2{margin:0;color:var(--ink);font-size:32px}.search-field{display:block;margin-top:22px}.search-field input{width:100%;height:58px;border:1px solid var(--line);border-radius:16px;padding:0 18px;font-size:18px;outline:none}.search-field input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(79,110,247,.1)}.search-status{color:var(--muted);font-size:13px}.search-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.search-link{padding:12px 14px;background:var(--bg-soft);border-radius:12px;font-weight:800;color:var(--deep)}.search-link[hidden]{display:none}.panel-open{overflow:hidden}.mobile-bottom-nav{display:none}.prose{max-width:880px}.prose h2{font-size:30px;color:var(--ink);margin:42px 0 12px}.prose p{margin:0 0 18px}.prose ul{padding-left:20px}.prose li{margin:8px 0}.status-pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--bg-blue);color:var(--deep);font-weight:800;font-size:12px}.magazine-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.magazine-grid article{border-radius:22px;padding:26px;background:var(--bg-soft);border:1px solid var(--line)}.magazine-grid article:nth-child(3){grid-column:1/-1}.poster-wall{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.poster-wall article{grid-column:span 3;min-height:230px;border-radius:22px;padding:22px;background:linear-gradient(180deg,#EEF3FF,#fff);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end}.poster-wall article:nth-child(1){grid-column:span 6;min-height:300px}.poster-wall h3{margin:0;color:var(--ink);font-size:24px}.poster-wall p{color:var(--muted);margin-bottom:0}.program-board{display:grid;gap:12px}.program-row{display:grid;grid-template-columns:120px 1fr 180px;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--gray-line)}.program-row strong{color:var(--blue)}.program-row h3{margin:0;color:var(--ink)}.program-row span{color:var(--muted);font-size:13px}.album-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.album-card{min-height:240px;border-radius:24px;padding:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}.album-card b{font-size:13px;color:var(--blue)}.album-card h3{font-size:24px;color:var(--ink);margin:10px 0}.rank-list{counter-reset:rank;display:grid;gap:0}.rank-list article{counter-increment:rank;display:grid;grid-template-columns:96px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--gray-line)}.rank-list article:before{content:counter(rank,decimal-leading-zero);font-size:48px;font-weight:900;color:var(--blue);line-height:1}.rank-list h3{margin:0;color:var(--ink);font-size:28px}.rank-list p{margin:8px 0 0;color:var(--muted)}.knowledge-index{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.knowledge-index article{padding:28px;border-radius:20px;border-top:4px solid var(--blue);background:var(--bg-soft)}.knowledge-index h2{margin-top:0;color:var(--ink)}
:focus-visible{outline:3px solid rgba(79,110,247,.5);outline-offset:3px}
@media(max-width:1020px){.desktop-nav{gap:0}.desktop-nav a{padding:9px 8px;font-size:14px}.card-grid.four{grid-template-columns:repeat(2,1fr)}.editorial-layout{grid-template-columns:1fr}.side-note{position:static}.footer-columns{grid-template-columns:repeat(2,1fr)}.album-grid{grid-template-columns:repeat(2,1fr)}.poster-wall article,.poster-wall article:nth-child(1){grid-column:span 6}.program-row{grid-template-columns:90px 1fr}.program-row span{grid-column:2}.search-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--nav-h:64px}.nav-wrap{width:calc(100% - 24px);gap:10px;justify-content:space-between}.mobile-menu-trigger{display:flex}.desktop-nav,.desktop-only{display:none!important}.nav-actions{margin-left:auto}.brand{position:absolute;left:50%;transform:translateX(-50%);max-width:44vw;justify-content:center}.brand-logo{max-width:150px;height:34px}.brand-text{font-size:19px}.app-button{min-height:44px;padding:0 15px}.container{width:calc(100% - 30px)}.section{padding:54px 0}.section-head{display:block}.page-hero{padding:44px 0 28px}.page-hero .hero-grid,.feature-split,.app-showcase,.editorial-hero-grid{grid-template-columns:1fr}.page-hero .hero-grid .media-slot{order:2}.page-hero h1{font-size:42px}.card-grid,.card-grid.two,.card-grid.four{grid-template-columns:1fr}.editorial-layout{display:block}.magazine-grid{grid-template-columns:1fr}.magazine-grid article:nth-child(3){grid-column:auto}.poster-wall{grid-template-columns:1fr}.poster-wall article,.poster-wall article:nth-child(1){grid-column:auto;min-height:210px}.program-row{grid-template-columns:72px 1fr;gap:12px}.album-grid{grid-template-columns:1fr}.rank-list article{grid-template-columns:68px 1fr}.rank-list article:before{font-size:38px}.knowledge-index{grid-template-columns:1fr}.legal-grid{grid-template-columns:1fr}.footer-columns{grid-template-columns:1fr 1fr;gap:26px 14px}.site-footer{padding-bottom:110px}.search-panel{top:0;bottom:0;overflow-y:auto}.search-inner{padding-top:22px}.search-grid{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;z-index:110;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.98);border-top:1px solid var(--gray-line);box-shadow:0 -8px 30px rgba(30,40,80,.08)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:54px;color:var(--muted);font-size:11px;font-weight:800}.mobile-bottom-nav a span{font-size:18px;line-height:1.1}.mobile-bottom-nav a.is-active{color:var(--blue)}.channel-panel{width:88vw}.panel-head{height:64px}.panel-scroll{height:calc(100% - 64px)}.quick-channel .chip-row{width:calc(100% - 30px)}.editorial-copy{order:-1}.editorial-copy h1{font-size:40px}}
@media(max-width:440px){.footer-columns{grid-template-columns:1fr}.search-grid{grid-template-columns:1fr}.button-row{align-items:stretch}.button-row a{width:100%}.page-hero h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}