:root{--background:#F1F3F1;--paper:#FBFCFA;--surface:#fff;--surface-soft:#E9EEEB;--pine:#234B43;--pine-deep:#17372F;--pine-light:#38685C;--electric:#36AFA5;--electric-deep:#237E78;--electric-soft:#DFF3F0;--amber:#C88A45;--amber-deep:#A66C2D;--amber-soft:#F7EDDF;--silver:#AAB5B3;--silver-soft:#E4E9E6;--ice:#DDEBF0;--ice-deep:#608A9B;--graphite:#252E30;--graphite-deep:#151D20;--title:#273432;--body:#485651;--muted:#75817C;--border:#DCE4DF;--divider:#E9EEEA;--player-bg:#080D0E;--player-text:#F8FAF9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--body);font:16px/1.7 system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--title);line-height:1.23}h1{font-size:clamp(30px,4.1vw,54px);letter-spacing:-1.5px}h2{font-size:clamp(25px,3vw,33px);letter-spacing:-.7px}h3{font-size:21px}.container{width:min(1360px,calc(100% - 64px));margin-inline:auto}.section{padding-block:85px}.paper{background:var(--paper)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:2.5px;color:var(--electric-deep);margin-bottom:15px;text-transform:uppercase}.eyebrow.light{color:#A2D8CE}.section-head{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:34px}.section-head h2{margin-bottom:0}.section-head p{max-width:340px;margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;background:var(--pine);border:1px solid var(--pine);color:#fff;padding:11px 24px;border-radius:11px;font-size:14px;font-weight:700;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px);background:var(--pine-deep)}.btn.amber{background:var(--amber);border-color:var(--amber);color:#151D20}.btn.ghost{background:transparent;border-color:#72978B}.btn.ghost:hover{background:#365B54}.text-link{font-size:14px;color:var(--pine);font-weight:750}.text-link.light{color:#DDEFE8}.skip{position:absolute;left:10px;top:-80px;z-index:100}.skip:focus{top:10px;background:#fff;padding:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{height:76px;background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:50}.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;color:var(--pine-deep);font-size:22px;letter-spacing:-.7px;font-weight:850;white-space:nowrap}.brand-mark{display:grid;place-items:center;background:var(--pine);border-radius:12px;width:40px;height:40px;color:#E2B36B;font-size:28px}.brand-sub{font-size:9px;font-weight:700;letter-spacing:1px;color:var(--muted)}.logo{width:140px;max-height:48px;object-fit:contain}.main-nav{display:flex;gap:24px;margin:auto}.main-nav a{font-size:14px;font-weight:700;color:#40514C;white-space:nowrap}.main-nav a:hover,.site-footer a:hover{color:var(--electric-deep)}.header-search{display:flex;align-items:center;border:1px solid var(--border);background:#F5F7F5;border-radius:10px;height:42px;max-width:230px}.header-search input{width:170px;min-width:0;background:transparent;border:0;outline:0;padding-left:14px;font-size:13px}.header-search button{border:0;background:none;font-size:28px;color:var(--pine)}.menu-toggle,.menu-close{display:none}.mobile-menu,.mobile-bottom{display:none}
.hero{background:linear-gradient(116deg,#14352F 0%,#234B43 60%,#375E55 100%);color:#E7F2EC;overflow:hidden}.hero-grid{min-height:470px;display:grid;grid-template-columns:1.02fr .98fr;gap:35px;align-items:stretch}.hero-copy{padding:58px 0 34px}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.12;margin-bottom:21px;color:#FBFCFA}.hero h1 em{font-style:normal;color:#E8B472}.hero-copy>p{max-width:520px;color:#C4D5CF;font-size:16px}.hero-actions{display:flex;align-items:center;gap:27px;margin:25px 0 37px}.hero-index{display:flex;gap:32px;border-top:1px solid #4B7166;padding-top:18px}.hero-index span{font-size:27px;font-weight:800;color:#F7F8F3}.hero-index small{display:block;font-size:10px;font-weight:600;color:#ABC8BE;letter-spacing:1px}.hero-art{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:420px}.hero-image{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.hero-art>.image-fallback{background:linear-gradient(135deg,#28554e,#173d3a);font-size:0}.hero-art>.image-fallback:after{content:'◈';font-size:170px;color:#8FAE99;opacity:.45}.hero-stamp{position:absolute;bottom:35px;right:5px;font-size:12px;letter-spacing:3px;background:#0D2823A8;padding:14px}.hero-stamp span{display:block;margin-top:8px;color:#E6B875}.orbit{position:absolute;border:1px solid #AED7C44D;border-radius:50%;width:350px;height:350px;left:10%;top:5%;pointer-events:none}.orbit-two{width:500px;height:500px;left:4%;top:-15%}
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.channel{position:relative;background:#fff;border:1px solid var(--border);padding:22px;min-height:192px;border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s}.channel:before{content:'';position:absolute;left:0;top:0;width:5px;height:100%;background:var(--accent)}.channel:hover{transform:translateY(-3px);box-shadow:0 14px 32px #294b3a13}.channel:nth-child(3),.channel:nth-child(6){background:#F3F8F5}.channel-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);letter-spacing:1.2px}.channel-icon{font-size:28px}.channel strong{display:block;font-size:19px;color:var(--title);margin-top:15px}.channel p{font-size:13px;color:var(--muted);margin:4px 20px 0 0}.channel-arrow{position:absolute;right:20px;bottom:17px;color:var(--accent)}
.works-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.work-card{background:#fff;border:1px solid var(--border);border-radius:13px;overflow:hidden;transition:transform .2s}.work-card:hover{transform:translateY(-3px)}.work-art{width:100%;aspect-ratio:16/10;object-fit:cover}.image-fallback{display:grid;place-items:center;background:linear-gradient(140deg,#DEEAE4,#B9CCC3);color:#42685C;font-size:13px;padding:25px;text-align:center;min-height:150px}.work-meta{padding:19px}.work-meta span{font-size:11px;color:var(--electric-deep);font-weight:800}.work-meta strong{display:block;color:var(--title);font-size:18px}.work-meta p{font-size:13px;margin:6px 0 0;color:var(--muted)}.editorial-empty{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;border:1px solid var(--border);background:#fff;border-radius:18px;padding:45px}.editorial-empty .big-num{color:#C3D2CB;font-size:clamp(35px,6vw,80px);font-weight:850;line-height:1}.editorial-empty h3{font-size:26px}.editorial-empty p{max-width:530px}.notice-rail{display:flex;gap:20px;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--border);padding:22px;border-radius:12px;flex-wrap:wrap}.notice-rail span{color:var(--muted);font-size:12px}.notice-rail a{font-weight:700;color:var(--pine)}
.dark-section{background:#162B29;color:#C8D9D2}.dark-section h2{color:#F6F7F2;font-size:clamp(30px,4vw,44px)}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.feature-grid p{max-width:490px}.timeline{border-left:1px solid #759389;padding-left:35px}.timeline>div{position:relative;padding:17px 0 23px;border-bottom:1px solid #385850;display:grid;grid-template-columns:60px 1fr;gap:10px}.timeline>div:before{content:'';width:8px;height:8px;border-radius:50%;background:#C88A45;position:absolute;left:-40px;top:28px}.timeline span{color:#C88A45}.timeline strong{font-size:19px;color:#fff}.timeline small{grid-column:2;color:#AFC3BA}.split-feature{display:grid;grid-template-columns:1.15fr 1fr;gap:8%;align-items:center}.split-feature.reversed{grid-template-columns:1fr 1.15fr}.split-feature.reversed .feature-art{order:2}.feature-art{min-height:340px;background:#D5E5DE;border-radius:17px;overflow:hidden}.feature-img{width:100%;height:340px;object-fit:cover}.feature-art .image-fallback{height:340px}.feature-text{max-width:490px}.feature-text h2{font-size:39px}.feature-text p{margin-bottom:23px}.program-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:15px}.program-grid>div{background:#fff;padding:28px;border-top:4px solid var(--amber);border-radius:10px;min-height:180px}.program-grid>div:nth-child(2){border-color:var(--electric)}.program-grid>div:nth-child(3){border-color:#72909D}.program-grid span,.short-card span{font-size:11px;font-weight:800;letter-spacing:1.6px;color:var(--muted)}.program-grid h3{margin:19px 0 5px}.program-grid p{font-size:13px}.inline-more{display:inline-block;margin-top:25px}.short-grid{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:150px 150px;gap:16px}.short-card{background:#DFEAE5;padding:24px 32px;border-radius:12px}.short-card.tall{grid-row:span 2;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(135deg,#9FBBB1,#E7E2D4)}.short-card:nth-child(3){background:#E8E5D9}.short-card h3{font-size:25px;margin:12px 0}.short-card p{font-size:14px}.knowledge-section{background:#E4EBE7}.knowledge-list{border-top:1px solid #C8D5CD}.knowledge-list a{display:grid;grid-template-columns:80px 1fr 1.2fr 30px;align-items:center;border-bottom:1px solid #C8D5CD;padding:23px 10px;gap:15px}.knowledge-list b{color:var(--electric-deep)}.knowledge-list strong{font-size:23px;color:var(--title)}.knowledge-list span{font-size:14px}.knowledge-list em{font-style:normal;font-weight:900}.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.collection-card{padding:27px;min-height:275px;border-radius:12px;background:#fff;border:1px solid var(--border);display:flex;flex-direction:column;align-items:start}.collection-card:nth-child(2){background:#E9F1EB}.collection-card:nth-child(3){background:#F4EEE4}.collection-card span{font-size:11px;letter-spacing:2px;color:var(--muted)}.collection-card h3{font-size:26px;margin:28px 0 12px}.collection-card p{font-size:13px;color:var(--body)}.collection-card strong{margin-top:auto;color:var(--pine);font-size:13px}.animation-strip{background:#E3EBE8;border-radius:18px;padding:35px;display:grid;grid-template-columns:140px 1fr auto;align-items:center;gap:25px}.animation-symbol{font-size:100px;color:#6C9285;line-height:1}.animation-strip h3{font-size:28px;margin-bottom:8px}.animation-strip p{margin:0}.final-cta{background:var(--pine);text-align:center;color:#C3DAD0}.final-cta h2{font-size:clamp(29px,4vw,45px);color:#fff}.cta-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:33px}.cta-links a{display:block;border:1px solid #628779;border-radius:9px;padding:13px 23px;color:#fff;font-weight:700;font-size:14px}
.site-footer{background:#102521;color:#B4C5BE;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:70px}.footer-brand{font-size:25px;font-weight:800;color:#fff;margin-bottom:15px}.footer-grid p{max-width:440px;font-size:14px}.footer-grid small{font-size:12px}.footer-grid strong{display:block;color:#fff;margin-bottom:12px}.footer-grid a{display:block;font-size:14px;margin:7px 0}.copyright{border-top:1px solid #2C453C;margin-top:36px;padding-top:18px;font-size:12px}
.subhero{background:linear-gradient(120deg,#E3EDE7,#F5F7F3);padding:72px 0 67px;border-bottom:1px solid var(--border)}.subhero h1{font-size:clamp(31px,4vw,48px)}.subhero p{max-width:740px;margin-bottom:0}.catalog-layout{display:grid;grid-template-columns:245px 1fr;gap:45px}.catalog-side{position:sticky;top:20px;height:max-content;background:#fff;border-radius:13px;border:1px solid var(--border);padding:22px}.catalog-side h2{font-size:18px;display:flex;justify-content:space-between}.catalog-side h2 span{font-size:14px;color:var(--muted)}.catalog-side a{display:block;padding:11px 14px;font-size:14px;border-radius:8px;font-weight:650}.catalog-side a.active{background:var(--pine);color:#fff}.catalog-side a:not(.active):hover{background:var(--surface-soft)}.filter-panel{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr auto;gap:12px;align-items:end;background:#fff;padding:20px;border:1px solid var(--border);border-radius:14px}.filter-panel label{font-size:12px;font-weight:700;color:var(--muted);display:grid;gap:5px}.filter-panel input,.filter-panel select,.schedule-picker input{width:100%;min-width:0;border:1px solid var(--border);background:#F8FAF8;border-radius:8px;padding:10px;color:var(--body);height:46px}.filter-panel .btn{white-space:nowrap}.catalog-summary{display:flex;justify-content:space-between;align-items:center;margin:28px 0 18px;font-size:14px;gap:15px}.catalog-summary span{color:var(--muted);font-size:12px}.empty{border:1px dashed #C1D1C7;background:#fff;border-radius:17px;padding:75px 25px;text-align:center}.empty h2{font-size:27px}.empty p{max-width:500px;margin:0 auto 25px}.empty-icon{font-size:85px;color:#A6BDB0;line-height:1}.pagination{display:flex;gap:12px;margin-top:25px}.pagination a{background:#fff;border:1px solid var(--border);border-radius:8px;padding:7px 13px}.pagination a.active{background:var(--pine);color:#fff}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px}.detail-art{background:#DCE8E1;min-height:420px;border-radius:15px;overflow:hidden}.detail-image{height:100%;width:100%;object-fit:cover}.detail-info dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}.detail-info dl>div{background:#fff;padding:12px;border-bottom:1px solid var(--border)}.detail-info dt{font-size:12px;color:var(--muted)}.detail-info dd{margin:3px 0 0;font-weight:700}.episode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.episode-grid a{display:grid;background:#fff;padding:18px;border:1px solid var(--border);border-radius:9px}.episode-grid small{font-size:11px;color:var(--muted)}.schedule-picker{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:34px}.schedule-picker input{width:210px}.schedule-picker span{margin-left:auto;color:var(--muted);font-size:13px}.schedule-board{background:#fff;border:1px solid var(--border);border-radius:17px;display:grid;grid-template-columns:270px 1fr;overflow:hidden}.schedule-board>div:first-child{background:var(--pine);padding:40px;color:#C7D9D1}.schedule-board>div:first-child span{font-size:11px;letter-spacing:2px}.schedule-board>div:first-child h2{color:#fff;margin:20px 0}.schedule-board>div:nth-child(2){padding:35px}.schedule-empty{padding:40px;text-align:center}.schedule-entry{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--divider);padding:18px}.schedule-entry>a{color:var(--pine);font-weight:700}.collections-list{border-top:1px solid var(--border)}.collection-row{display:grid;grid-template-columns:75px 1fr 170px;gap:22px;align-items:center;padding:30px 15px;border-bottom:1px solid var(--border)}.collection-row>span{color:var(--electric-deep);font-weight:800}.collection-row h2{font-size:25px;margin-bottom:8px}.collection-row p{font-size:14px;margin-bottom:0}.collection-row>b{font-size:13px;color:var(--pine)}.collection-row:hover{background:#fff}.topic-detail{background:#fff;border-radius:16px;padding:55px;margin-top:30px}.topic-detail h2{font-size:38px}.topic-detail>p{max-width:850px;line-height:2}.topic-detail h3{margin-top:45px}.about-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:45px 80px}.about-layout>div{max-width:750px}.about-stat{display:grid;grid-template-columns:100px 1fr;align-content:center;gap:20px}.about-stat b{font-size:70px;color:var(--pine);line-height:1}.about-stat span{align-self:center}
@media(max-width:1200px){.main-nav{gap:14px}.header-search{display:none}.filter-panel{grid-template-columns:1fr 1fr}.filter-panel .btn{grid-column:span 2}.catalog-layout{gap:22px}.brand-sub{display:none}}
@media(max-width:900px){.container{width:calc(100% - 44px)}.main-nav{display:none}.menu-toggle{display:block;margin-left:auto;border:0;background:transparent;font-size:26px;color:var(--pine);width:44px;height:44px}.menu-close{display:block;align-self:end;font-size:32px;background:none;border:0;width:44px;height:44px}.mobile-menu{display:flex;position:fixed;z-index:100;right:0;top:0;bottom:0;width:min(330px,85vw);background:#fff;flex-direction:column;padding:20px 26px;gap:14px;transform:translateX(110%);transition:transform .23s;box-shadow:-10px 0 30px #10252130}.mobile-menu.open{transform:translateX(0)}.mobile-menu a{padding:10px;font-weight:700}.nav-overlay:not([hidden]){display:block;position:fixed;inset:0;background:#0009;z-index:99}.hero-grid{grid-template-columns:1fr}.hero-art{min-height:280px}.hero-copy{padding-bottom:0}.channel-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.split-feature,.split-feature.reversed{grid-template-columns:1fr;gap:30px}.split-feature.reversed .feature-art{order:0}.catalog-layout{grid-template-columns:1fr}.catalog-side{position:static;display:flex;flex-wrap:wrap;gap:7px}.catalog-side h2{width:100%}.catalog-side a{padding:8px}.animation-strip{grid-template-columns:90px 1fr}.animation-strip .btn{grid-column:2}.animation-symbol{font-size:75px}.schedule-board{grid-template-columns:1fr}.schedule-board>div:first-child{padding:25px}.schedule-board>div:nth-child(2){padding:20px}.footer-grid{gap:30px}}
@media(max-width:600px){body{font-size:15px}.container{width:calc(100% - 34px)}.section{padding-block:54px}.section-head{display:block}.section-head p,.section-head>.text-link{display:block;margin-top:12px}.brand{font-size:20px}.site-header{height:70px}.hero-grid{min-height:0}.hero-copy{padding:45px 0 15px}.hero h1{font-size:39px}.hero-art{min-height:230px}.hero-actions{flex-wrap:wrap;gap:16px}.hero-index{gap:25px}.channel-grid{gap:10px}.channel{padding:17px;min-height:165px}.channel strong{font-size:16px}.channel p{font-size:12px}.channel-icon{font-size:23px}.works-grid,.collection-grid,.program-grid{grid-template-columns:1fr}.editorial-empty{grid-template-columns:1fr;padding:25px}.editorial-empty .big-num{font-size:35px}.feature-text h2{font-size:29px}.short-grid{grid-template-columns:1fr;grid-template-rows:auto}.short-card,.short-card.tall{min-height:180px;grid-row:auto}.knowledge-list a{grid-template-columns:35px 1fr 20px}.knowledge-list a span{grid-column:2}.knowledge-list a em{grid-column:3;grid-row:1}.animation-strip{grid-template-columns:1fr;padding:24px}.animation-strip .btn{grid-column:1}.animation-symbol{font-size:60px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.site-footer{padding-bottom:90px}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:#fff;border-top:1px solid var(--border);z-index:70;padding:8px 0 max(8px,env(safe-area-inset-bottom))}.mobile-bottom a{display:flex;align-items:center;flex-direction:column;min-width:55px;line-height:1.2;font-size:19px;color:var(--pine)}.mobile-bottom span{font-size:11px;margin-top:4px}.filter-panel{grid-template-columns:1fr}.filter-panel .btn{grid-column:auto}.catalog-summary{display:block}.catalog-summary span{display:block}.catalog-side{overflow-x:auto}.subhero{padding:48px 0}.detail-grid,.about-layout{grid-template-columns:1fr}.detail-art{min-height:260px}.detail-info dl{grid-template-columns:1fr 1fr}.episode-grid{grid-template-columns:1fr 1fr}.collection-row{grid-template-columns:35px 1fr}.collection-row>b{grid-column:2}.topic-detail{padding:25px}.schedule-picker span{margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}