/* 01 cinematic-brand — 近黑底 / 象牙白 / 大字衬线 / 噪点暗角 */
:root{
  --bg:#0a0a0b; --bg2:#101013; --bg3:#16161a;
  --ink:#f4f1ea; --ink2:#a6a29a; --ink3:#6b6862;
  --line:rgba(244,241,234,.10); --line-2:rgba(244,241,234,.06);
  --accent:oklch(.78 .12 62);
  --ease:cubic-bezier(.22,.61,.36,1);
  --step:clamp(72px,11vw,168px);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 clamp(15px,1.05vw,17px)/1.7 ui-sans-serif,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,figure,blockquote{margin:0}
::selection{background:var(--accent);color:#0a0a0b}

/* 物理层 */
.grain{position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.vignette{position:fixed;inset:0;z-index:79;pointer-events:none;
  background:radial-gradient(130% 95% at 50% 0%,transparent 38%,rgba(0,0,0,.55) 100%)}

/* 布局 */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:clamp(20px,5vw,64px)}
.serif{font-family:ui-serif,Georgia,"Songti SC","Times New Roman",serif;font-weight:500}
.eyebrow{font:500 11px/1 ui-monospace,"SF Mono",Consolas,monospace;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink3)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* 导航 */
.nav{position:sticky;top:0;z-index:70;background:rgba(10,10,11,.72);
  backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line-2)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.mark{font:600 15px/1 ui-serif,Georgia,serif;letter-spacing:.02em}
.mark i{color:var(--accent);font-style:normal}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav a{font-size:13px;color:var(--ink2);position:relative;padding:4px 0;transition:color .22s var(--ease)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .32s var(--ease)}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current]::after{width:100%}
.nav .cta{font-size:12.5px;border:1px solid var(--line);padding:8px 16px;border-radius:999px;
  color:var(--ink);transition:background .22s var(--ease),border-color .22s var(--ease)}
.nav .cta:hover{background:var(--ink);color:#0a0a0b;border-color:var(--ink)}
@media(max-width:760px){.nav ul{display:none}.nav .cta{margin-left:auto}}

/* 首屏 */
.hero{position:relative;min-height:calc(100svh - 68px);display:grid;align-content:center;
  padding-block:clamp(56px,9vh,120px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:min(760px,90vw);aspect-ratio:1;
  background:radial-gradient(circle at 60% 40%,oklch(.72 .13 62/.20),transparent 62%);filter:blur(6px)}
.hero-tag{display:flex;align-items:center;gap:12px;margin-bottom:clamp(28px,5vh,56px)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px oklch(.78 .12 62/.14)}
h1.display{font-family:ui-serif,Georgia,"Songti SC",serif;font-weight:500;
  font-size:clamp(2.9rem,8.6vw,7.4rem);line-height:.98;letter-spacing:-.028em}
.line{display:block;overflow:hidden}
.line>span{display:block;transform:translateY(105%);animation:up 1.05s var(--ease) forwards}
.line:nth-child(2)>span{animation-delay:.13s}
.line:nth-child(3)>span{animation-delay:.26s}
@keyframes up{to{transform:none}}
.hero-foot{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-top:clamp(40px,7vh,80px);padding-top:28px;border-top:1px solid var(--line)}
.hero-foot p{max-width:44ch;color:var(--ink2);font-size:15.5px;line-height:1.75}
.scroll{display:inline-flex;align-items:center;gap:10px;color:var(--ink3);font:500 11px/1 ui-monospace,monospace;
  letter-spacing:.16em;text-transform:uppercase}
.scroll i{display:block;width:1px;height:26px;background:linear-gradient(var(--ink3),transparent);
  animation:drop 2.4s ease-in-out infinite}
@keyframes drop{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* 分区 */
section{position:relative}
.sec{padding-block:var(--step)}
.sec-head{display:grid;grid-template-columns:200px 1fr;gap:clamp(24px,5vw,72px);align-items:start}
@media(max-width:820px){.sec-head{grid-template-columns:1fr;gap:16px}}
h2.h{font-family:ui-serif,Georgia,"Songti SC",serif;font-weight:500;
  font-size:clamp(1.7rem,3.5vw,3rem);line-height:1.14;letter-spacing:-.015em;max-width:26ch}

/* 数字 */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:clamp(40px,6vw,72px)}
.stat{background:var(--bg);padding:clamp(24px,3.5vw,40px)}
.stat b{display:block;font-family:ui-serif,Georgia,serif;font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:500;letter-spacing:-.02em;line-height:1}
.stat span{display:block;margin-top:12px;font-size:13px;color:var(--ink3)}
@media(max-width:700px){.stats{grid-template-columns:1fr}}

/* 作品列表 */
.works{margin-top:clamp(36px,5vw,64px);border-top:1px solid var(--line)}
.work{display:grid;grid-template-columns:56px 1fr auto auto;gap:clamp(14px,3vw,40px);align-items:center;
  padding:clamp(20px,2.6vw,30px) 0;border-bottom:1px solid var(--line);
  transition:padding .34s var(--ease),color .34s var(--ease)}
.work em{font:500 12px/1 ui-monospace,monospace;color:var(--ink3);font-style:normal}
.work h3{font-family:ui-serif,Georgia,"Songti SC",serif;font-weight:500;font-size:clamp(1.1rem,2.2vw,1.7rem);
  letter-spacing:-.01em;transition:transform .34s var(--ease)}
.work .meta{font-size:12.5px;color:var(--ink3);white-space:nowrap}
.work .go{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;
  color:var(--ink3);transition:.3s var(--ease)}
.work:hover{padding-left:clamp(8px,1.4vw,20px)}
.work:hover h3{color:var(--accent)}
.work:hover .go{background:var(--accent);border-color:var(--accent);color:#0a0a0b;transform:rotate(-45deg)}
@media(max-width:700px){.work{grid-template-columns:36px 1fr auto}.work .meta{display:none}}

/* 跑马灯 */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding-block:20px;background:var(--bg2)}
.marquee-in{display:flex;gap:56px;width:max-content;animation:slide 34s linear infinite}
.marquee span{font-family:ui-serif,Georgia,serif;font-size:clamp(1.1rem,2vw,1.5rem);color:var(--ink3);
  white-space:nowrap;display:flex;align-items:center;gap:56px}
.marquee span::after{content:"";width:5px;height:5px;background:var(--accent);border-radius:50%}
@keyframes slide{to{transform:translateX(-50%)}}

/* 图文块 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,6vw,88px);align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.figure{position:relative;aspect-ratio:4/3;background:
  linear-gradient(148deg,var(--bg3),var(--bg2) 58%,oklch(.22 .02 62));
  border:1px solid var(--line);overflow:hidden}
.figure::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 70% 20%,oklch(.78 .12 62/.16),transparent 70%)}
.figure b{position:absolute;left:22px;bottom:18px;font:500 10.5px/1 ui-monospace,monospace;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink3);z-index:2}

/* 引用 */
.quote{font-family:ui-serif,Georgia,"Songti SC",serif;font-size:clamp(1.35rem,3vw,2.3rem);
  line-height:1.45;letter-spacing:-.01em;max-width:30ch;margin:0}
.quote cite{display:block;margin-top:26px;font:400 13px/1 ui-sans-serif,sans-serif;font-style:normal;color:var(--ink3)}

/* 页脚 */
footer{border-top:1px solid var(--line);padding-block:clamp(48px,6vw,80px) 40px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(28px,5vw,64px)}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
footer h4{font:500 10.5px/1 ui-monospace,monospace;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink3);margin:0 0 18px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
footer a{font-size:14px;color:var(--ink2);transition:color .2s}
footer a:hover{color:var(--accent)}
.foot-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:clamp(40px,6vw,72px);
  padding-top:22px;border-top:1px solid var(--line-2);font-size:12px;color:var(--ink3)}

/* 内容页通用 */
.page-head{padding-block:clamp(56px,9vw,120px) clamp(32px,5vw,56px)}
.page-head h1{font-family:ui-serif,Georgia,"Songti SC",serif;font-weight:500;
  font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.02;letter-spacing:-.03em}
.page-head p{max-width:52ch;margin-top:24px;color:var(--ink2)}

/* 时间线 */
.timeline{border-top:1px solid var(--line)}
.tl{display:grid;grid-template-columns:120px 1fr 1fr;gap:clamp(16px,4vw,48px);
  padding-block:clamp(22px,3vw,34px);border-bottom:1px solid var(--line)}
.tl em{font:500 12px/1 ui-monospace,monospace;color:var(--accent);font-style:normal}
.tl b{font-weight:500;font-size:16px}
.tl p{color:var(--ink2);font-size:14.5px}
@media(max-width:760px){.tl{grid-template-columns:1fr;gap:8px}}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
[data-d="1"]{transition-delay:.08s}[data-d="2"]{transition-delay:.16s}[data-d="3"]{transition-delay:.24s}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}.line>span{transform:none}
}