@font-face{font-family:'Bricolage';src:url('./assets/fonts/BricolageGrotesque-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'Bricolage';src:url('./assets/fonts/BricolageGrotesque-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'GeistMono';src:url('./assets/fonts/GeistMono-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'Instrument';src:url('./assets/fonts/InstrumentSerif-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument';src:url('./assets/fonts/InstrumentSerif-Italic.ttf') format('truetype');font-weight:400;font-style:italic;font-display:swap}

:root{
  /* 色板与 HIGHLIGHT 设计系统 colors_and_type.css 对齐 */
  --ink:#f4f5f7;
  --bg:#090a0c;
  --panel:#111318;
  --panel-2:#191c23;
  --line:#2a2e38;
  --line-2:#3d4350;
  --muted:#969daa;
  --red:#ff3038;
  --red-deep:#c81f2a;
  --oxblood:#7a1a20;
  --blue:#7ea9ff;
  --success:#66d19e;
  --warning:#ffb454;
  --danger:#ff5961;
  /* 缓动：signal 用于入场与浮起，cut 用于切换与开合 */
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-cut:cubic-bezier(.7,0,.3,1);
  --sans:'Bricolage','Noto Sans CJK SC','Microsoft YaHei',system-ui,sans-serif;
  --mono:'GeistMono',ui-monospace,'Cascadia Mono',monospace;
  --serif:'Instrument','Noto Serif CJK SC','Songti SC',Georgia,serif;
  --gut:clamp(20px,4vw,64px);
  /* 人文尺度：先保证可读，再增加数据密度 */
  --measure:60ch;
  --breath:clamp(24px,5vw,80px);
  --quote-gutter:3px;
  --archive-opacity:.035;
  --grain:radial-gradient(rgba(244,245,247,.026) .5px,transparent .5px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;cursor:none;
}
body::before{
  content:'';position:fixed;inset:0;z-index:900;pointer-events:none;
  background-image:var(--grain);
  background-size:3px 3px;mix-blend-mode:overlay;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:none}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.03em;line-height:.94}
p{margin:0}
.hl-mono,.eyebrow,.section-index{font-family:var(--mono);text-transform:uppercase;letter-spacing:.18em;font-size:11px}
.eyebrow{color:var(--red)}
.eyebrow.quiet{color:var(--muted)}
.section-index{color:var(--line-2)}
.measure{max-width:var(--measure);color:var(--muted);font-size:15.5px;line-height:1.72}
.measure em{font-style:normal;color:var(--ink)}
::selection{background:var(--red);color:#fff}

/* 人文语法：批注、引文、划线、档案纹理。规矩是每屏最多一处，不当装饰用 */
.note{position:relative;padding-left:18px;line-height:1.7;color:var(--muted);font-family:var(--serif);font-size:16px;letter-spacing:.01em}
.note::before{content:'';position:absolute;left:0;top:.36em;bottom:.36em;width:1px;background:var(--line-2)}
.note b{display:block;margin-bottom:5px;font-family:var(--sans);font-size:14.5px;letter-spacing:-.01em;color:var(--ink);font-weight:600}
.note+.note{margin-top:22px}
.quote{position:relative;padding-left:20px;font-family:var(--serif);font-size:clamp(19px,2.2vw,27px);line-height:1.5;letter-spacing:.005em;color:var(--ink)}
.quote::before{content:'';position:absolute;left:0;top:.24em;bottom:.24em;width:var(--quote-gutter);background:var(--red)}
.quote cite{display:block;margin-top:14px;font-family:var(--mono);font-style:normal;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--line-2)}
/* 手写划线：句子会折行，所以线必须跟着每个行片走。
   ::after 只贴最后一个行框，改用背景线 + decoration-break:clone 让每行各画一段 */
.underlined{display:inline;-webkit-box-decoration-break:clone;box-decoration-break:clone;
  background-image:linear-gradient(var(--red),var(--red));background-repeat:no-repeat;
  background-position:left calc(100% - .06em);background-size:0% 1px;
  transition:background-size .9s var(--ease)}
.underlined.in{background-size:100% 1px}
.archive{position:relative}
.archive::before{content:'';position:absolute;inset:0;pointer-events:none;opacity:var(--archive-opacity);background:repeating-linear-gradient(0deg,var(--ink) 0 1px,transparent 1px 4px)}
.breath{padding-block:var(--breath)}

/* 章节抬头：眉标 + 索引 + 一条会长出来的分隔线 */
/* 底线用 background-image 画而不是 border-bottom，这样宽度可以被补间（见 script.js §6） */
.sec-head{display:flex;align-items:baseline;gap:16px;padding-bottom:16px;margin-bottom:var(--breath);
  background-image:linear-gradient(var(--line),var(--line));background-repeat:no-repeat;
  background-position:left bottom;background-size:100% 1px}
.sec-head .section-index{margin-left:auto}

/* ---------- 光标：取景框式准星。方角、四角括号、右下角一行状态字 ---------- */
.cursor{position:fixed;top:0;left:0;z-index:999;pointer-events:none;mix-blend-mode:difference;will-change:transform}
.cursor i{
  display:block;width:30px;height:30px;margin:-15px 0 0 -15px;
  border:1px solid rgba(255,255,255,.34);
  transition:transform .5s var(--ease),border-color .4s var(--ease),opacity .3s;
}
.cursor i::before,.cursor i::after{
  content:'';position:absolute;width:8px;height:8px;
  border:0 solid #fff;transition:transform .5s var(--ease),width .4s var(--ease),height .4s var(--ease);
}
.cursor i::before{left:-1px;top:-1px;border-left-width:1px;border-top-width:1px}
.cursor i::after{right:-1px;bottom:-1px;border-right-width:1px;border-bottom-width:1px}
.cursor b{position:absolute;top:-1.5px;left:-1.5px;width:3px;height:3px;background:#fff;transition:transform .4s var(--ease)}
.cursor u{
  position:absolute;left:26px;top:16px;white-space:nowrap;
  font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:#fff;
  opacity:0;transform:translateY(5px);transition:opacity .3s var(--ease),transform .4s var(--ease);
}
/* 悬停在可点物上：外框退场，只留四角括号张开，像镜头对上了焦 */
.cursor.on i{transform:scale(1.5);border-color:transparent}
.cursor.on i::before{transform:translate(-3px,-3px);width:11px;height:11px}
.cursor.on i::after{transform:translate(3px,3px);width:11px;height:11px}
.cursor.on b{transform:scale(0)}
.cursor.on u{opacity:.9;transform:translateY(0)}
.cursor.press i{transform:scale(.84)}
.cursor.press i::before,.cursor.press i::after{transform:translate(0,0)}

/* ---------- dynamic island header ---------- */
.island-wrap{position:fixed;top:18px;left:0;right:0;z-index:800;display:flex;justify-content:center;pointer-events:none}
.island{
  pointer-events:auto;position:relative;display:flex;align-items:center;gap:14px;
  width:auto;min-height:52px;padding:0 8px 0 14px;
  background:rgba(16,18,22,.72);border:1px solid var(--line);border-radius:26px;
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  box-shadow:0 18px 44px rgba(0,0,0,.55);overflow:hidden;
}
.island-brand{flex:0 0 auto;display:flex;align-items:center;height:52px;padding-right:2px}
.island-logo{height:20px;width:auto;flex:0 0 auto;display:block;opacity:.96;transition:opacity .3s var(--ease)}
.island-brand:hover .island-logo{opacity:1}
@media(max-width:700px){.island-logo{height:16px}}
.island-links{display:flex;gap:22px;overflow:hidden;white-space:nowrap}
.island-links a{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--muted);transition:color .3s}
.island-links a:hover{color:var(--ink)}
.island-join{
  flex:0 0 auto;display:flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:19px;
  background:var(--red);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.island-join span{font-family:var(--mono);font-size:11px;opacity:.85}
/* 顶栏底部那条红线就是读到哪儿了：把"测量"这件事一直摆在视线里 */
.island-progress{position:absolute;left:0;bottom:0;height:1.5px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left;opacity:.9}
.island-toggle{flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-2)}
.island-toggle svg{width:18px;height:18px;overflow:visible}
.island-toggle line{stroke:var(--ink);stroke-width:1.6;stroke-linecap:round}

/* 岛让路收上去之后，顶端留一条窄感应带当把手：
   指针靠上来、或者手指点一下，岛就落回来。
   没有这条带，收起来的岛既看不见也碰不到，等于把入口一起藏没了。
   只在真藏起来的时候才接管指针，平时不挡正文 */
.island-peek{position:fixed;top:0;left:0;right:0;height:18px;z-index:801;pointer-events:none}
.island-peek.live{pointer-events:auto;cursor:pointer}
.island-peek::after{
  content:'';position:absolute;top:0;left:50%;width:54px;height:3px;border-radius:0 0 4px 4px;
  background:var(--line-2);opacity:0;transform:translate(-50%,-4px);
  transition:opacity .34s var(--ease),transform .34s var(--ease),background .3s
}
.island-peek.live::after{opacity:.6;transform:translate(-50%,0)}
.island-peek.live:hover::after{background:var(--red);opacity:1}

.menu-backdrop{position:fixed;inset:0;z-index:780;background:rgba(6,7,9,.86);backdrop-filter:blur(10px);opacity:0;visibility:hidden}
.menu-panel{
  position:fixed;z-index:790;top:84px;left:var(--gut);right:var(--gut);
  border:1px solid var(--line);background:var(--panel);border-radius:20px;
  padding:clamp(24px,4vw,48px);display:grid;gap:clamp(20px,3vw,52px);
  grid-template-columns:1.4fr 1fr;opacity:0;visibility:hidden;
}
.menu-col h4{margin:0 0 18px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--line-2);text-transform:uppercase}
.menu-link{display:block;font-size:clamp(28px,4.4vw,54px);font-weight:700;letter-spacing:-.035em;line-height:1.08;color:var(--ink);position:relative;padding-left:0;transition:color .3s,padding-left .5s var(--ease)}
.menu-link i{font-family:var(--mono);font-style:normal;font-size:10px;color:var(--line-2);vertical-align:super;margin-right:10px;letter-spacing:.1em}
.menu-link:hover{color:var(--red);padding-left:14px}
.menu-side{border-left:1px solid var(--line);padding-left:clamp(18px,2.5vw,36px)}
.menu-side p{color:var(--muted);font-size:14px;margin-bottom:16px}
.menu-side .hl-mono{display:block;color:var(--line-2);margin-top:6px}
@media(max-width:820px){.menu-panel{grid-template-columns:1fr}.menu-side{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}}

/* ---------- layout primitives ---------- */
main{position:relative;z-index:1}
section{position:relative}
.wrap{padding:clamp(84px,12vh,164px) var(--gut)}
.grid3{display:grid;grid-template-columns:132px minmax(0,1fr) minmax(0,.68fr);gap:clamp(20px,3.4vw,64px);align-items:start}
.rule{height:1px;background:var(--line);transform-origin:left center}
@media(max-width:900px){.grid3{grid-template-columns:1fr;gap:22px}}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--gut) clamp(30px,5vh,60px)}
.hero-canvas{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-canvas canvas{width:100%;height:100%;opacity:.55}
.hero-canvas::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,10,12,.78) 0%,rgba(9,10,12,.16) 40%,rgba(9,10,12,.96) 100%)}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-eyebrow{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:clamp(26px,4vh,52px)}
.hero-h1{font-size:clamp(52px,11.5vw,188px);line-height:.85;letter-spacing:-.052em}
.hero-h1 em{font-style:normal;color:var(--red)}
.hero-h1 .ln{display:block;overflow:hidden}
.hero-h1 .ln>span{display:block}
.hero-foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:end;margin-top:clamp(26px,4.6vh,54px);padding-top:clamp(20px,3vh,32px);border-top:1px solid var(--line)}
.hero-lede{max-width:44ch;font-family:var(--serif);font-size:clamp(17px,1.8vw,23px);line-height:1.56;letter-spacing:.005em;color:var(--muted)}
.hero-lede b{color:var(--ink);font-weight:400}
.scroll-hint{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--line-2)}
.scroll-hint i{display:block;width:44px;height:1px;background:var(--line-2);position:relative;overflow:hidden}
.scroll-hint i::after{content:'';position:absolute;inset:0;background:var(--red);transform:translateX(-100%);animation:hintrun 2.4s var(--ease) infinite}
@keyframes hintrun{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}
@media(max-width:700px){.hero-foot{grid-template-columns:1fr}}

/* ---------- horizontal text logo (GSAP marquee) ---------- */
.htext{position:relative;padding:clamp(30px,6vh,74px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg)}
.htext::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--bg) 0,transparent 14%,transparent 86%,var(--bg) 100%)}
.htext-track{display:flex;align-items:center;gap:clamp(28px,4vw,72px);white-space:nowrap;will-change:transform}
.htext-item{display:flex;align-items:center;gap:clamp(28px,4vw,72px);flex:0 0 auto}
.htext-word{font-size:clamp(46px,10vw,150px);font-weight:700;letter-spacing:-.05em;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--line-2);transition:color .45s var(--ease),-webkit-text-stroke-color .45s var(--ease)}
.htext-word.solid{color:var(--ink);-webkit-text-stroke:0}
.htext-word.red{color:var(--red);-webkit-text-stroke:0}
.htext-word.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--muted);-webkit-text-stroke:0}
/* 指针经过时，空心的词被“点亮”填上 —— 跟 hero 点阵同一个隐喻：被读到才亮 */
.htext-word.lit:not(.solid):not(.red):not(.serif),
.htext-word:hover:not(.solid):not(.red):not(.serif){color:var(--ink);-webkit-text-stroke-color:transparent}
/* 分隔符不是圆点：旋转 45° 的小方块，跟全站的方角语言一致 */
.htext-dot{width:clamp(9px,1.2vw,17px);height:clamp(9px,1.2vw,17px);background:var(--red);flex:0 0 auto;transform:rotate(45deg)}
.htext-mark{height:clamp(30px,5vw,74px);width:auto;opacity:.9;flex:0 0 auto}

/* ---------- manifesto ---------- */
.mf-h2{font-size:clamp(38px,6.6vw,104px);line-height:.9;letter-spacing:-.045em}
.mf-h2 span{color:var(--red)}
/* 逐字点亮的段落必须留在正常文本流里：中文没有词间空格，
   一旦把每个字变成 flex item，标点就会孤行、字距被强行拉开 */
.mf-words{font-size:clamp(19px,2.5vw,34px);font-weight:400;line-height:1.5;letter-spacing:-.01em;max-width:22ch;text-wrap:pretty}
.mf-words .w{color:var(--line-2)}
.mf-note{border-left:1px solid var(--line);padding-left:clamp(18px,2.4vw,30px)}
.mf-note p{font-family:var(--serif);font-size:17px;line-height:1.66;color:var(--muted);margin-bottom:16px}
.mf-note strong{display:block;color:var(--ink);font-weight:400;font-family:var(--sans);font-size:15px;letter-spacing:-.01em;margin-bottom:12px}

/* ---------- featured: 越权者 ---------- */
.feat{border-top:1px solid var(--line);background:linear-gradient(180deg,#0b0c0f,#0e0709 60%,var(--bg))}
.feat-badge{display:inline-flex;align-items:center;gap:9px;padding:6px 13px;border:1px solid var(--oxblood);border-radius:100px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:#e58f95;background:rgba(122,26,32,.16)}
.feat-badge i{width:5px;height:5px;border-radius:50%;background:var(--red);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.feat-stage{position:relative;margin-top:clamp(26px,4vh,52px);border:1px solid var(--line);background:#0b0709;overflow:hidden;padding:clamp(40px,9vw,110px) clamp(20px,5vw,70px);display:grid;place-items:center;min-height:clamp(240px,44vh,480px)}
.feat-stage::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 62%,rgba(255,48,56,.15),transparent 60%)}
.feat-stage::after{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.2;mask-image:radial-gradient(circle at 50% 55%,#000 20%,transparent 78%)}
.feat-logo-stack{position:relative;z-index:2;width:min(70%,600px);aspect-ratio:974/485}
.feat-logo-stack img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.feat-logo-stack .l-red{opacity:0;filter:drop-shadow(0 0 26px rgba(255,48,56,.5))}
.feat-logo-stack .l-ox{opacity:0}
.feat-scan{position:absolute;left:0;right:0;height:2px;z-index:3;background:linear-gradient(90deg,transparent,var(--red),transparent);opacity:0;top:0}
.feat-corner{position:absolute;z-index:3;width:26px;height:26px;border:1px solid var(--line-2);opacity:.7}
.feat-corner.tl{top:14px;left:14px;border-right:0;border-bottom:0}
.feat-corner.br{bottom:14px;right:14px;border-left:0;border-top:0}
.feat-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;margin-top:1px;background:var(--line);border:1px solid var(--line)}
.feat-meta div{background:var(--bg);padding:18px 20px;transition:background .4s var(--ease)}
.feat-meta div:hover{background:var(--panel)}
.feat-meta b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--line-2);margin-bottom:7px}
.feat-meta span{font-size:14px;color:var(--ink)}

/* ---------- product matrix ---------- */
.pm{border-top:1px solid var(--line)}
.pm-group{margin-top:clamp(38px,7vh,86px)}
.pm-group-head{display:flex;align-items:baseline;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.pm-group-head b{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--red)}
.pm-group-head h3{font-size:clamp(22px,2.8vw,34px);letter-spacing:-.035em}
.pm-group-head small{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--line-2)}
.pm-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-top:0}
.pm-card{position:relative;background:var(--panel);padding:clamp(24px,3.2vw,42px);display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,.8fr);gap:clamp(16px,2.4vw,44px);align-items:start;transition:background .45s var(--ease)}
.pm-card:hover{background:var(--panel-2)}
.pm-card::after{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--red);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease-cut)}
.pm-card:hover::after{transform:scaleY(1)}
.pm-icon{width:48px;height:48px;border:1px solid var(--line-2);display:grid;place-items:center;color:var(--ink);transition:border-color .4s var(--ease)}
.pm-card:hover .pm-icon{border-color:var(--muted)}
.pm-icon img,.pm-icon svg{width:30px;height:30px}
.pm-icon.echo img{width:38px;height:38px}
.pm-icon.echo{border-color:rgba(47,128,255,.34)}
.pm-card:hover .pm-icon.echo{border-color:rgba(47,128,255,.7)}
.pm-icon:empty{background:linear-gradient(135deg,rgba(255,255,255,.03),transparent 62%)}
.pm-icon.face{padding:0;overflow:hidden}
.pm-icon.face img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);opacity:.82;transition:filter .45s var(--ease),opacity .45s var(--ease)}
.pm-card:hover .pm-icon.face img{filter:none;opacity:1}
.pm-card h4{margin:0 0 5px;font-size:clamp(19px,2.1vw,26px);font-weight:700;letter-spacing:-.028em}
.pm-card .pm-en{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--line-2);display:block;margin-bottom:14px}
.pm-card p{font-size:14.5px;line-height:1.68;color:var(--muted);max-width:46ch}
.pm-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.pm-tags span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:4px 9px;border:1px solid var(--line);color:var(--muted)}
.pm-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;padding:5px 11px;border-radius:100px;border:1px solid var(--line-2);color:var(--muted)}
.pill.soon{border-color:#4a4326;color:var(--warning);background:rgba(255,180,84,.07)}
.pill.live{border-color:#1f4a2e;color:var(--success);background:rgba(102,209,158,.07)}
.pill.secret{border-color:var(--line-2);color:var(--line-2)}
.pm-links{display:flex;flex-direction:column;gap:8px}
.pm-links a{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:4px;transition:color .3s,border-color .3s}
.pm-links a:hover{color:var(--red);border-color:var(--red)}
@media(max-width:860px){.pm-card{grid-template-columns:44px minmax(0,1fr)}.pm-side{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;align-items:center}}

/* ---------- buttons ---------- */
/* 方形 + 自下而上的填充：与全站网格语言一致，只有主 CTA 才允许更重的处理 */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;padding:15px 24px;border:1px solid var(--line-2);color:var(--ink);background:transparent;cursor:none;position:relative;overflow:hidden;transition:color .4s var(--ease-cut),border-color .4s var(--ease-cut)}
.btn::before{content:'';position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .5s var(--ease-cut);z-index:0}
.btn>*{position:relative;z-index:1}
.btn:hover{color:var(--bg);border-color:var(--ink)}
.btn:hover::before{transform:translateY(0)}
.btn i{font-style:normal;font-size:13px;transition:transform .45s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn.solid{background:var(--red);border-color:var(--red);color:#fff}
.btn.solid::before{background:var(--ink)}
.btn.solid:hover{color:var(--bg);border-color:var(--ink)}

/* ---------- join band (homepage CTA) ---------- */
.joinband{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:var(--panel)}
.joinband::before{content:'';position:absolute;inset:0;background:radial-gradient(58% 118% at 50% 122%,rgba(200,31,42,.3),transparent 68%)}
.joinband::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:.5;background:linear-gradient(0deg,var(--line) 0 1px,transparent 1px 100%) 0 0/100% 84px}
.joinband-inner{position:relative;padding:clamp(78px,14vh,164px) var(--gut);display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
.joinband h2{font-size:clamp(38px,7.4vw,110px);line-height:.9;letter-spacing:-.042em;margin:0}
.joinband h2 em{font-style:normal;color:var(--red)}
.joinband p{max-width:46ch;color:var(--muted);font-family:var(--serif);font-size:clamp(16px,1.7vw,20px);line-height:1.6}
.join-cta{margin-top:14px;position:relative;display:inline-flex;align-items:center;gap:18px;padding:21px 34px;background:var(--red);color:#fff;font-size:clamp(16px,1.9vw,21px);font-weight:700;letter-spacing:.01em;cursor:none;border:0;overflow:hidden}
.join-cta::after{content:'';position:absolute;inset:0;border:1px solid rgba(255,255,255,.4);opacity:0;transition:opacity .4s var(--ease-cut)}
.join-cta:hover::after{opacity:1}
.join-cta i{width:34px;height:34px;background:#fff;color:var(--red);display:grid;place-items:center;font-style:normal;font-size:15px;transition:transform .5s var(--ease)}
.join-cta:hover i{transform:translateX(5px)}
.join-cta u{position:absolute;left:0;top:0;bottom:0;z-index:0;width:100%;background:rgba(122,26,32,.6);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-cut)}
.join-cta:hover u{transform:scaleX(1)}
.join-cta span,.join-cta i{position:relative;z-index:1}
.joinband-roles{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin-top:22px;max-width:720px}
.joinband-roles span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);padding:5px 10px;border:1px solid var(--line-2)}

/* ---------- film ---------- */
.film{border-top:1px solid var(--line)}
.film-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(24px,4vh,52px)}
.film-head h2{font-size:clamp(32px,5.4vw,80px);line-height:.92;letter-spacing:-.035em;margin:0}
.film-pending{position:relative;width:100%;aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:#08090b;border:1px solid var(--line);overflow:hidden;text-align:center}
.film-pending::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 49.95%,rgba(255,255,255,.07) 50%,transparent 50.05%),linear-gradient(transparent 49.9%,rgba(255,255,255,.07) 50%,transparent 50.1%);pointer-events:none}
.film-pending span,.film-pending i{position:relative;font-family:var(--mono);font-size:clamp(9px,1vw,12px);font-style:normal;letter-spacing:.2em;color:var(--muted)}
.film-pending strong{position:relative;font-size:clamp(30px,5.4vw,78px);line-height:1;font-weight:700;letter-spacing:0;color:var(--ink)}
.film-pending i{color:var(--red)}
.stage{position:relative;width:100%;aspect-ratio:16/9;background:#050608;border:1px solid var(--line);overflow:hidden}
/* 纯 MG：画面全部由 canvas 逐帧绘制，底层只留一点场深与颗粒 */
.stage::before{content:'';position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(120% 90% at 50% 42%,rgba(31,35,44,.9),#050608 68%)}
.stage::after{content:'';position:absolute;inset:0;z-index:4;pointer-events:none;opacity:.5;background:radial-gradient(115% 80% at 50% 50%,transparent 52%,rgba(0,0,0,.72))}
#mgLayer{position:absolute;inset:0;z-index:2;width:100%;height:100%;pointer-events:none}
.stage-bars{position:absolute;left:0;right:0;z-index:5;height:6.5%;background:#000;pointer-events:none}
.stage-bars.top{top:0}
.stage-bars.bot{bottom:0}
.stage-cta{position:absolute;inset:0;z-index:6;display:grid;place-items:center;background:rgba(9,10,12,.52);backdrop-filter:blur(3px);transition:opacity .6s var(--ease)}
.stage-cta.gone{opacity:0;pointer-events:none}
.bigplay{width:clamp(74px,8.6vw,110px);height:clamp(74px,8.6vw,110px);border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.04);color:#fff;display:grid;place-items:center;cursor:none;position:relative;font-size:19px;transition:background .4s var(--ease-cut),border-color .4s var(--ease-cut)}
.bigplay:hover{background:var(--red);border-color:var(--red)}
.bigplay::after{content:'';position:absolute;inset:-13px;border:1px solid rgba(255,255,255,.14);animation:ring 2.8s var(--ease) infinite}
@keyframes ring{0%{transform:scale(.92);opacity:.9}100%{transform:scale(1.18);opacity:0}}
.stage-cta small{position:absolute;bottom:9%;font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:rgba(255,255,255,.6)}
.controls{display:flex;align-items:center;gap:14px;padding:13px 16px;border:1px solid var(--line);border-top:0;background:var(--panel);flex-wrap:wrap}
.controls button{width:32px;height:32px;border:1px solid var(--line-2);background:transparent;color:var(--ink);cursor:none;font-size:11px;display:grid;place-items:center;transition:border-color .3s var(--ease-cut),color .3s var(--ease-cut),background .3s var(--ease-cut)}
.controls button:hover{border-color:var(--red);color:var(--red);background:rgba(255,48,56,.06)}
.controls .tm{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);min-width:98px}
.track{position:relative;flex:1;min-width:180px;height:3px;background:var(--line);cursor:none}
.track i{position:absolute;left:0;top:0;bottom:0;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
.track b{position:absolute;top:-3px;left:0;width:9px;height:9px;background:var(--red);transform:translateX(-50%)}
.track em{position:absolute;top:-2px;bottom:-2px;width:1px;background:var(--line-2)}
/* 镜次播报层：给读屏软件用，不出现在画面上 */
.stage-live{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}

/* ---------- footer + trae-style logo interaction ---------- */
footer{border-top:1px solid var(--line);background:var(--panel);position:relative;overflow:hidden}
.foot-top{padding:clamp(50px,8vh,90px) var(--gut) clamp(30px,5vh,54px);display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:clamp(26px,4vw,60px)}
.foot-col h5{margin:0 0 16px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--line-2)}
.foot-col a,.foot-col p{display:block;font-size:14px;color:var(--muted);margin:0 0 9px;transition:color .3s}
.foot-col a:hover{color:var(--red)}
/* 页脚标识：像素切割。
   静态时是一张极暗的字标，鼠标靠近后网格被逐格切开、错位、透出红。
   canvas 就位后原图退到底下只留给读屏软件 */
.foot-mark{position:relative;padding:0 var(--gut) clamp(22px,4vh,44px);user-select:none}
.foot-mark-inner{position:relative;display:block;width:100%;max-width:1180px;margin:0 auto}
.foot-mark-canvas{display:block;width:100%;height:auto;opacity:0;transition:opacity .8s var(--ease)}
.foot-mark.px .foot-mark-canvas{opacity:1}
.foot-logo{display:block;width:100%;height:auto;opacity:1;transition:opacity .6s var(--ease)}
.foot-mark.px .foot-logo{position:absolute;left:0;top:0;opacity:0;pointer-events:none}
.foot-mark-hint{display:none}
.foot-mark-cap{display:none}
.foot-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:18px var(--gut);border-top:1px solid var(--line);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--line-2);text-transform:uppercase}
.foot-bar b{color:var(--muted);font-weight:400}

/* ---------- join page ---------- */
.jhero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:clamp(90px,14vh,170px) var(--gut) clamp(50px,8vh,90px);position:relative}
.jhero-eyebrow{margin-bottom:26px}
.jhero h1{margin:0;font-size:clamp(34px,6.4vw,104px);line-height:.98;letter-spacing:-.045em;max-width:20ch}
.jhero h1 .ln{overflow:hidden;display:block}
.jhero h1 .ln>span{display:block}
.jhero h1 em{font-style:normal;color:var(--red)}
.jhero-sub{margin-top:clamp(26px,4vh,48px);max-width:52ch;font-family:var(--serif);font-size:clamp(17px,1.8vw,22px);color:var(--muted);line-height:1.66}
.jhero-sub strong{color:var(--ink);font-weight:400}
.jhero .scroll-hint{margin-top:clamp(34px,6vh,64px)}
.role-body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:46ch}
.roles{border-top:1px solid var(--line)}.role{position:relative;display:grid;grid-template-columns:clamp(56px,7vw,110px) minmax(0,1fr) minmax(0,.8fr);gap:clamp(18px,3vw,48px);padding:clamp(34px,6vh,72px) var(--gut);border-bottom:1px solid var(--line);align-items:start;transition:background .5s var(--ease)}
.role:hover{background:var(--panel)}
.role-no{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--red);padding-top:9px}
.role h3{margin:0;font-size:clamp(26px,4.4vw,62px);line-height:1;letter-spacing:-.035em}
.role h3 small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--line-2);margin-top:12px;font-weight:400}
.role p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:46ch}
.role-tools{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.role-tools span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:4px 9px;border:1px solid var(--line);color:var(--muted)}
.role-line{position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
/* 无动画降级时把这条线直接补满，避免岗位行看起来缺一道边 */
.role.in .role-line{transform:scaleX(1)}
/* 窄屏：岗位行收成两列，说明段落必须显式跨到行尾。
   漏掉这条，段落会掉进一个自动宽度的隐式列里，被压成一字一行 */
@media(max-width:900px){.role{grid-template-columns:44px minmax(0,1fr)}.role-body,.role-body2{grid-column:2/-1}}
.contact{padding:clamp(60px,11vh,130px) var(--gut);text-align:center}
.contact h2{font-size:clamp(30px,5.2vw,74px);line-height:.96;letter-spacing:-.04em;margin:0 0 14px}
.contact p{color:var(--muted);font-family:var(--serif);font-size:clamp(16px,1.7vw,20px);line-height:1.6;margin:0 auto clamp(30px,5vh,54px);max-width:42ch}
/* 三张卡就排三列，别交给 auto-fit：一旦被折成两列，
   第二行会空出一个格子，露出底下那层分隔线的灰，看着像坏了 */
.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);max-width:900px;margin:0 auto}
/* 内边距别按视口算：这块容器最宽只有 900，4vw 会把三列的可用宽度吃掉一大半，
   邮箱地址就被挤到断在词中间 */
.contact-card{position:relative;background:var(--bg);padding:clamp(20px,2.4vw,34px);text-align:left;transition:background .4s var(--ease);overflow:hidden}
.contact-card::after{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--red);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease-cut)}
.contact-card:hover{background:var(--panel-2)}
.contact-card:hover::after{transform:scaleY(1)}
.contact-card b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--line-2);margin-bottom:12px}
/* anywhere 而不是 break-all：只有真放不下才断，不会一有机会就把地址劈开 */
.contact-card span{font-size:clamp(15px,1.5vw,21px);letter-spacing:-.01em;line-height:1.4;overflow-wrap:anywhere;word-break:normal}
.contact-card u{display:block;text-decoration:none;font-size:12.5px;color:var(--muted);margin-top:10px}
/* 手机上三列挤不开，直接叠成一列，仍然是满的没有空格 */
@media(max-width:720px){.contact-grid{grid-template-columns:minmax(0,1fr)}}

/* ---------- reveal + reduced motion ---------- */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  body{cursor:auto}
  .cursor{display:none}
  .reveal{opacity:1;transform:none}
  .foot-logo{opacity:1;filter:none}
  .foot-mark-canvas{display:none}
  .htext-track{transform:none!important}
}