:root{--ink:#121510;--paper:#efede5;--red:#b54835;--line:rgba(18,21,16,.2)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}header{height:72px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font:600 19px Georgia,"Microsoft YaHei",serif}.brand b{width:30px;height:30px;display:grid;place-items:center;background:var(--red);color:white}nav{display:flex;gap:32px;font-size:13px}nav a{opacity:.6}.head-actions{display:flex;align-items:center;gap:14px}.add{height:38px;padding:0 16px;border:0;background:var(--ink);color:#fff}.saved{border:0;background:transparent}.viewer{height:calc(100vh - 72px);min-height:620px;position:relative;overflow:hidden;color:#fff;background:#171a16}.viewer-image{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 12s}.viewer.playing .viewer-image{transform:scale(1.08)}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,5,.82),rgba(5,8,5,.2)),linear-gradient(0deg,rgba(5,8,5,.55),transparent)}.hero-copy{position:absolute;left:9vw;top:48%;transform:translateY(-50%);max-width:720px}.hero-copy>p,.red{font-size:11px;letter-spacing:2px}.hero-copy h1{font:500 clamp(48px,7vw,100px)/1.1 Georgia,"Microsoft YaHei",serif;margin:14px 0 8px}.hero-copy h3{font-weight:400;letter-spacing:4px;margin:0 0 34px}.hero-copy blockquote{font:400 clamp(17px,2vw,24px)/1.8 Georgia,"Microsoft YaHei",serif;margin:0 0 32px}.hero-actions{display:flex;gap:10px}.play,.ghost{height:48px;padding:0 22px;border:1px solid white}.play{background:#fff;color:var(--ink)}.ghost{background:transparent;color:white}.count{position:absolute;right:4vw;top:34px;font-size:11px}.arrows{position:absolute;right:4vw;bottom:38px}.arrows button{width:48px;height:48px;border:1px solid #ffffff55;background:transparent;color:#fff}.player{position:absolute;left:9vw;right:15vw;bottom:50px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;font-size:10px}.player i{height:2px;background:#ffffff55}.player b{display:block;width:0;height:100%;background:#fff}.collection{padding:100px 6vw}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:48px}.red{color:var(--red);margin:0 0 16px}.section-head h2,.about h2,.panel h2{font:500 clamp(30px,4vw,55px)/1.25 Georgia,"Microsoft YaHei",serif;margin:0}.filters{border-bottom:1px solid var(--line)}.filters button{border:0;background:transparent;padding:12px 16px;opacity:.5}.filters .active{opacity:1;border-bottom:2px solid var(--red)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.card{cursor:pointer;position:relative}.card img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block}.card-copy{border-top:1px solid;padding-top:16px;display:flex;justify-content:space-between}.card h3{font:500 21px Georgia,"Microsoft YaHei",serif;margin:0 0 6px}.card p{font-size:12px;opacity:.6;margin:0}.mine{position:absolute;top:10px;left:10px;background:#111d;color:#fff;padding:6px 8px;font-size:10px}.about{border-top:1px solid var(--line);padding:90px 6vw;display:grid;grid-template-columns:1fr 2fr 1.3fr;gap:5vw}.about div{padding-top:60px;line-height:2}.about small{opacity:.5}footer{padding:30px 4vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px}.editor[hidden]{display:none}.editor{position:fixed;inset:0;z-index:100}.backdrop{position:absolute;inset:0;background:#080a08aa;backdrop-filter:blur(4px)}.panel{position:absolute;right:0;top:0;bottom:0;width:min(720px,100%);overflow:auto;background:var(--paper);padding:40px 46px}.panel-head{display:flex;justify-content:space-between;margin-bottom:30px}.panel-head h2{font-size:30px}.panel-head>button{border:0;background:none;font-size:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}form>label{display:block;margin-top:20px}form label{font-size:12px;font-weight:600}input,textarea,select{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid #2225;background:#f9f8f3;outline:none}input,select{height:44px}textarea{resize:vertical;line-height:1.7}input:focus,textarea:focus,select:focus{border-color:var(--red)}form label small{display:block;text-align:right;margin-top:5px;opacity:.5}.image-row{display:grid;grid-template-columns:1fr 230px;gap:20px;align-items:center;margin-top:22px;padding:20px 0;border-block:1px solid var(--line)}.image-row p{font-size:12px;line-height:1.6;opacity:.55}.picker{height:140px;border:1px dashed #3338;display:grid;place-items:center;position:relative;overflow:hidden;background:#e4e1d7}.picker input{position:absolute;opacity:0}.picker img{position:absolute;width:100%;height:100%;object-fit:cover}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding:24px 0}.form-actions button{height:44px;padding:0 22px}.cancel{border:1px solid var(--line);background:transparent}.submit{border:0;background:var(--red);color:#fff}.manage{border-top:1px solid;padding-top:16px}.manage>div:first-child{display:flex;justify-content:space-between}.manage h3{margin:0;font:500 18px Georgia,"Microsoft YaHei",serif}.managed{display:grid;grid-template-columns:48px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}.managed img{width:48px;height:48px;object-fit:cover}.managed strong{font-size:13px}.managed button{border:0;background:none;font-size:11px}.managed .danger{color:var(--red)}.empty{font-size:12px;opacity:.5;padding:22px 0}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 18px;font-size:12px;opacity:0;transition:.2s;z-index:200}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){header{height:60px}nav{display:none}.add{padding:0 10px}.viewer{height:calc(100svh - 60px)}.hero-copy{left:7vw;right:7vw}.hero-copy h1{font-size:48px}.player{left:7vw;right:7vw;bottom:92px}.arrows{right:7vw}.collection{padding:70px 6vw}.section-head{display:block}.filters{margin-top:25px;overflow:auto;white-space:nowrap}.grid{grid-template-columns:1fr}.about{grid-template-columns:1fr;padding:70px 6vw}.about div{padding-top:0}.panel{padding:28px 20px}.form-grid,.image-row{grid-template-columns:1fr}.picker{height:180px}}

/* Three-column portal navigation and content sections. */
.portal-nav{display:flex;align-items:center;gap:26px;margin-left:auto;margin-right:28px}
.section-head h2{font-size:clamp(28px,3vw,42px)}
.portal-home{padding:88px 6vw 104px;background:#e8e4da;border-bottom:1px solid var(--line);scroll-margin-top:72px}
.home-intro{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:42px}
.home-intro h1{font:500 clamp(38px,5.8vw,76px)/1.12 Georgia,"Microsoft YaHei",serif;letter-spacing:0;margin:0}
.home-intro>p{max-width:290px;margin:0 0 6px;font-size:13px;line-height:1.9;opacity:.62}
.home-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.portal-tile{position:relative;min-width:0;min-height:390px;display:flex;align-items:end;overflow:hidden;color:#fff;background:#171a16}
.portal-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,8,5,.86),rgba(5,8,5,.05) 70%)}
.portal-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.portal-tile:hover img{transform:scale(1.05)}
.portal-tile>div{position:relative;z-index:1;padding:24px 22px 25px}
.portal-tile span{font-size:10px;letter-spacing:1px;opacity:.72}
.portal-tile h2{font:500 clamp(22px,2.2vw,31px)/1.2 Georgia,"Microsoft YaHei",serif;margin:10px 0 8px}
.portal-tile p{font-size:12px;line-height:1.7;margin:0;opacity:.82}
.portal-nav a{position:relative;padding:27px 0 25px;opacity:.56;white-space:nowrap}
.portal-nav a:hover,.portal-nav a.active{opacity:1}
.portal-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--red)}
.portal-anchor{position:relative;top:-72px;height:0}
.portal-section{padding:96px 6vw;border-top:1px solid var(--line);scroll-margin-top:72px}
.portal-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:42px}
.portal-heading h2{font:500 clamp(32px,4vw,54px)/1.25 Georgia,"Microsoft YaHei",serif;margin:0}
.portal-heading>p{max-width:280px;margin:0 0 5px;font-size:13px;line-height:1.8;opacity:.58}
.master-grid,.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.master-grid article{border-top:1px solid var(--ink);min-width:0}
.master-grid img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:18px;background:#d8d4ca}
.master-grid article>div{padding-bottom:10px}
.master-grid h3,.video-empty h3{font:500 22px/1.35 Georgia,"Microsoft YaHei",serif;margin:0 0 8px}
.master-grid article>div>p:last-child,.video-empty>p{font-size:13px;line-height:1.8;opacity:.62;margin:0}
.video-empty{min-height:270px;padding:28px;border:1px solid var(--line);background:rgba(255,255,255,.22);display:flex;flex-direction:column;align-items:flex-start}
.video-mark{width:48px;height:48px;display:grid;place-items:center;margin-bottom:32px;border-radius:50%;background:var(--ink);color:#fff;font-size:16px}
.video-empty h3{font-size:20px}
.video-link{margin-top:auto;height:38px;padding:0 15px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:12px}
.video-link:disabled{cursor:default;opacity:.45}
@media(max-width:760px){
  .portal-nav{order:3;width:100%;margin:0;padding:0 6vw;gap:26px;overflow-x:auto;border-top:1px solid var(--line)}
  .portal-nav a{padding:15px 0 13px;font-size:12px}
  header{height:auto;min-height:60px;flex-wrap:wrap;padding:0 0 0 6vw}
  .brand{height:60px}.head-actions{margin-left:auto;margin-right:6vw}
  .portal-home{padding:58px 6vw 70px;scroll-margin-top:112px}
  .home-intro{display:block;margin-bottom:28px}
  .home-intro h1{font-size:clamp(38px,11vw,58px)}
  .home-intro>p{margin-top:20px}
  .home-grid{grid-template-columns:1fr 1fr;gap:10px}
  .portal-tile{min-height:270px}
  .portal-tile>div{padding:17px 15px 18px}
  .portal-tile h2{font-size:22px;margin-top:7px}
  .portal-tile p{font-size:11px;line-height:1.55}
  .portal-anchor{top:-112px}
  .portal-section{padding:70px 6vw;scroll-margin-top:112px}
  .portal-heading{display:block;margin-bottom:30px}
  .portal-heading>p{margin-top:18px}
  .master-grid,.video-grid{grid-template-columns:1fr;gap:34px}
  .master-grid img{aspect-ratio:16/10}
  .video-empty{min-height:220px}
}