/* 暗房：黑底时装杂志夜版。大图压半屏、斜体衬线大字、等宽小注。单一深色外观。 */
:root{
  --bg:#0f0e0d; --bg2:#171614; --fg:#ebe5db; --mute:#8c857b; --line:#2a2724; --hi:#fff8ec;
  --serif:"Bodoni Moda","Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC","SimSun",Georgia,serif;
  --cn:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,"Microsoft YaHei",monospace;
  --gut:max(16px,env(safe-area-inset-left,0px));
  --gutr:max(16px,env(safe-area-inset-right,0px));
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:1px solid var(--fg);outline-offset:3px}
main{padding-left:calc(var(--gut) + 12px);padding-right:calc(var(--gutr) + 12px)}

/* 导航 */
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px calc(var(--gutr) + 12px) 22px calc(var(--gut) + 12px);font:400 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mute);position:sticky;top:0;z-index:20;background:linear-gradient(var(--bg) 70%,transparent)}
.nav .brand{color:var(--fg);font-weight:500;letter-spacing:.24em}
.nav nav{display:flex;gap:24px;flex-wrap:wrap}
.nav nav a:hover,.nav nav a.on{color:var(--fg)}
.nav .menu{display:none;background:none;border:1px solid var(--line);color:var(--fg);font:inherit;letter-spacing:.16em;padding:8px 12px;cursor:pointer}

/* 首页大图 */
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);min-height:min(88vh,860px)}
.hero-img{overflow:hidden;background:var(--bg2)}
.hero-img img{width:100%;height:100%;object-fit:cover;animation:in 1.4s ease-out both}
.hero-txt{padding:12px 0 8px 40px;display:flex;flex-direction:column;justify-content:space-between;gap:40px;min-width:0}
.name{font:italic 400 clamp(64px,9.5vw,150px)/.84 var(--serif);letter-spacing:-.025em;margin:0}
.name small{display:block;font:300 15px/1.6 var(--cn);font-style:normal;letter-spacing:.32em;color:var(--mute);margin-top:22px}

/* 目录列表（首页板块 / AI+ 系列） */
.index{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.index a{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);align-items:baseline;transition:padding .25s}
.index a:hover{padding-left:8px}
.index .no{font:400 11px var(--mono);color:var(--mute)}
.index .t{font:400 24px/1.1 var(--serif)}
.index a:hover .t{font-style:italic}
.index .t i{font:300 14px var(--cn);font-style:normal;color:var(--mute);margin-left:10px}
.index .c{font:400 11px var(--mono);color:var(--mute)}

/* 横滑条 */
.row{margin-top:72px}
.row-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:22px}
.row-head h2{margin:0;font:400 36px/1 var(--serif)}
.row-head h2 em{color:var(--mute)}
.row-head a{font:400 12px var(--mono);letter-spacing:.1em;color:var(--mute)}
.row-head a:hover{color:var(--fg)}
.strip{display:flex;gap:16px;overflow-x:auto;padding-bottom:16px;scrollbar-width:thin;scrollbar-color:var(--line) transparent;scroll-snap-type:x proximity}
.card{flex:0 0 auto;width:240px;scroll-snap-align:start;display:block}
.card img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(.2) brightness(.92);transition:filter .3s}
.card:hover img{filter:none}
.cap{display:flex;justify-content:space-between;gap:10px;font:400 11px/1.4 var(--mono);color:var(--mute);margin-top:10px;letter-spacing:.04em}
.cap b{font-weight:400;color:var(--fg)}
.cap i{font-style:normal}

/* AI+ 板块 */
.intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:end;padding:40px 0 56px}
.big{font:italic 400 clamp(110px,17vw,260px)/.8 var(--serif);margin:0;letter-spacing:-.04em}
.big span{font-style:normal;color:var(--mute)}
.lede{font:300 16px/1.8 var(--cn);color:var(--mute);margin:22px 0 0;letter-spacing:.06em}
.sgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 18px}
.scard img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:brightness(.9);transition:filter .3s,transform .6s}
.scard:hover img{filter:none}
.scard .cap{align-items:baseline}
.scard .cap span{flex:1;color:var(--mute)}
.scard .cap em{font:italic 400 19px var(--serif);color:var(--fg);margin-right:6px}
.egrid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px 14px}
.egrid .card{width:auto}

/* 系列页 */
.stitle{padding:48px 0 44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,26em);gap:8px 40px;align-items:end}
.stitle .no{grid-column:1/-1;font:400 11px var(--mono);letter-spacing:.14em;color:var(--mute)}
.stitle h1{margin:0;font:italic 400 clamp(64px,10vw,160px)/.86 var(--serif);letter-spacing:-.03em}
.stitle .cn{grid-column:1;margin:0;font:300 22px var(--cn);letter-spacing:.4em;color:var(--mute)}
.stitle .lede{grid-column:2;grid-row:2/4;margin:0;align-self:end}
.masonry{columns:3 320px;column-gap:18px}
.masonry figure{margin:0 0 26px;break-inside:avoid}
.masonry img{width:100%;cursor:zoom-in;background:var(--bg2)}
.masonry figcaption{display:flex;justify-content:space-between;font:400 10.5px var(--mono);color:var(--mute);margin-top:8px;letter-spacing:.06em}
.pn{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:48px;padding-top:22px;font:400 12px var(--mono);letter-spacing:.08em;color:var(--mute)}
.pn a:hover{color:var(--fg)}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:50;background:rgba(8,8,7,.97);display:flex;align-items:center;justify-content:center;padding:max(48px,env(safe-area-inset-top,0px)) 64px 48px}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:var(--fg);font:300 28px var(--serif);cursor:pointer;padding:14px;opacity:.75}
.lb button:hover{opacity:1}
.lb-x{top:max(8px,env(safe-area-inset-top,0px));right:max(12px,env(safe-area-inset-right,0px))}
.lb-p{left:max(6px,env(safe-area-inset-left,0px));top:50%;transform:translateY(-50%)}
.lb-n{right:max(6px,env(safe-area-inset-right,0px));top:50%;transform:translateY(-50%)}
.lb-c{position:absolute;bottom:max(16px,env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);font:400 11px var(--mono);color:var(--mute);letter-spacing:.14em}

.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:96px;padding:22px calc(var(--gutr) + 12px) max(28px,env(safe-area-inset-bottom,0px)) calc(var(--gut) + 12px);border-top:1px solid var(--line);font:400 11px var(--mono);letter-spacing:.12em;color:var(--mute)}

@keyframes in{from{opacity:.001;transform:scale(1.03)}to{opacity:1;transform:none}}

@media (max-width:1000px){
  .sgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .egrid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:760px){
  main{padding-left:var(--gut);padding-right:var(--gutr)}
  .nav{padding-left:var(--gut);padding-right:var(--gutr);flex-wrap:wrap}
  .nav .menu{display:block}
  .nav nav{display:none;flex-basis:100%;flex-direction:column;gap:16px;padding:12px 0 6px}
  .nav.open nav{display:flex}
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-img{height:62vh;min-height:380px}
  .hero-txt{padding:28px 0 0}
  .intro,.stitle{grid-template-columns:1fr;gap:20px}
  .stitle .lede{grid-column:1;grid-row:auto}
  .egrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card{width:200px}
  .lb{padding:56px 8px}
  .lb-p,.lb-n{top:auto;bottom:max(4px,env(safe-area-inset-bottom,0px));transform:none}
  .foot{padding-left:var(--gut);padding-right:var(--gutr)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* logo 与社交入口 */
.nav .brand img{height:15px;width:auto}
.name img{width:min(100%,560px);height:auto}
.social{display:flex;gap:6px;align-items:center;margin-top:18px}
.foot .social{margin-top:0}
.social a{display:inline-flex;color:var(--mute);padding:6px;transition:color .2s}
.social a:hover{color:var(--fg)}
.social svg{width:24px;height:20px}
.hero-txt .social{margin-left:-6px}
@media (max-width:760px){.nav .brand img{height:13px}.name img{width:min(100%,420px)}}

/* 11-09：首页大图压在一屏里，右边目录贴底可见 */
.hero{height:calc(100vh - 64px);height:calc(100svh - 64px);min-height:560px}
.hero-img img{height:100%}

/* 板块页 */
.cgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 20px}
.pcard{display:block;min-width:0}
.pcard img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:brightness(.9);transition:filter .3s}
.pcard:hover img{filter:none}
.pcard .cap b{font:400 20px/1.2 var(--serif);color:var(--fg)}
.pcard:hover .cap b{font-style:italic}
.pcard .sub{display:block;font:300 13px/1.6 var(--cn);color:var(--mute);margin-top:4px}

/* 项目页 */
.ptitle{padding-bottom:36px}
.ptitle h1{font-size:clamp(52px,8vw,128px)}
.pbody{display:flex;flex-direction:column;gap:18px;max-width:1440px;margin:0 auto}
.pbody figure{margin:0;min-width:0}
.pbody img{width:100%;cursor:zoom-in;background:var(--bg2)}
.p-img img{max-height:92vh;width:auto;max-width:100%;margin:0 auto}
.p-row{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:18px;align-items:start}
.p-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.p-grid img{aspect-ratio:1;object-fit:cover}
.p-text{font:300 18px/1.9 var(--cn);color:var(--fg);max-width:36em;margin:8px auto 18px;text-align:center;letter-spacing:.06em;white-space:pre-line}
.p-video{display:flex;justify-content:center;background:var(--bg2)}
.p-video video{display:block;max-width:100%;max-height:88vh;max-height:88svh;width:auto;height:auto;aspect-ratio:attr(width)/attr(height);background:#000;object-fit:contain}
.p-embed{position:relative;aspect-ratio:16/9}
.p-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

@media (max-width:1000px){.cgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .hero{height:auto;min-height:0}
  .hero-img{height:62vh}
  .cgrid{grid-template-columns:1fr}
  .p-row{grid-template-columns:1fr}
  .p-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.hero-img img{object-position:50% 12%}
/* 11-09：首页大图完整显示——图片栏宽度跟着图的比例走，不裁切 */
.hero{grid-template-columns:auto minmax(0,1fr)}
.hero-img{height:100%;overflow:visible;background:none}
.hero-img img{height:100%;width:auto;max-width:62vw;object-fit:contain;object-position:left top}
@media (max-width:760px){.hero{grid-template-columns:1fr}.hero-img{height:auto}.hero-img img{width:100%;height:auto;max-width:100%}}
.hero-img img{height:calc(100vh - 64px);height:calc(100svh - 64px);min-height:560px;width:auto;max-width:62vw;object-fit:contain;object-position:left top}
@media (max-width:760px){.hero-img img{height:auto;min-height:0;width:100%;max-width:100%}}

/* 11-09 Fable 5 审稿后：节奏、说明文字、章节页、手机首屏 */
.about{font:300 15px/1.9 var(--cn);color:var(--mute);max-width:34em;margin:28px 0 0;letter-spacing:.04em}
.intro .about{font-size:17px;color:var(--fg);max-width:28em;margin:0;align-self:end}
.intro .about p{margin:0 0 14px}
@media (min-width:761px){.home .nav nav,.home .nav .menu{display:none}}
.pbody{gap:clamp(40px,6vw,96px)}
.p-row{gap:24px;max-width:1100px;margin:0 auto;width:100%}
.p-img img{max-height:88vh}
.p-img.md img{max-width:72%;max-height:78vh}
.p-img.sm-l img,.p-img.sm-r img{max-width:56%;max-height:58vh}
.p-img.sm-l img{margin:0 auto 0 6%}
.p-img.sm-r img{margin:0 6% 0 auto}
.p-chap{min-height:38vh;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:24px;border-bottom:1px solid var(--line)}
.p-chap.late{margin-top:20vh}
.p-chap .no{font:400 11px var(--mono);letter-spacing:.2em;color:var(--mute)}
.p-chap h2{font:italic 400 clamp(40px,5vw,72px)/1 var(--serif);margin:8px 0 0}
.p-chap p{font:300 15px var(--cn);letter-spacing:.3em;color:var(--mute);margin:14px 0 0}
.pbody>:last-child{margin-bottom:56px}
@media (max-width:760px){
  .pbody{gap:40px}
  .p-chap{min-height:28vh}.p-chap.late{margin-top:10vh}
  .p-img.md img,.p-img.sm-l img,.p-img.sm-r img{max-width:100%;max-height:none;margin:0 auto}
  .hero-img img{max-height:56vh;max-height:56svh;width:auto!important;max-width:100%;margin:0 auto;display:block}
  .intro .about{font-size:15px}
}
.p-video{background:none}

/* 11-11 Dome：竖版视频不加灰底，限高一屏 */
.p-video.tall{background:none}
.p-video.tall video{max-height:86vh;max-height:86svh}
.p-video.tall video{height:86vh;height:86svh;width:auto;max-width:100%}
@media (max-width:760px){.p-video.tall video{width:100%;height:auto;max-height:none}}