/* 徐淑月个人站。标题字体：得意黑 Smiley Sans（SIL OFL 1.1），按本页用字裁剪；改了文案要重跑 tools/build-font.mjs。
   配色的出处是她作品里的光：夜蓝是底，青色是数据与结构（线框、扫描），橙色是灯光（点亮的东西）。
   只有“会发光的东西”才发光：扫描线、点亮的控件、那一句 3 小时。面板一律是扁平的细线。 */

@font-face{
  font-family:"XSY Display";
  src:url("../fonts/smiley-sans-xsy.woff2?v=594b8aee") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}

:root{
  --bg:#060b1c;
  --bg-1:#0a1230;
  --bg-2:#101b42;
  --haze:#e6eeff;
  --mist:#9aadd6;
  --dim:#7d8db6;
  --scan:#43e5ff;
  --lamp:#ffab4a;
  --rule:rgba(124,166,255,.16);
  --rule-2:rgba(124,166,255,.32);

  --disp:"XSY Display","PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --body:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --gutter:clamp(20px,5vw,72px);
}

*,*::before,*::after{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--bg);scroll-behavior:smooth;scroll-padding-top:64px}
body{
  margin:0;background:var(--bg);color:var(--haze);
  font:400 1rem/1.8 var(--body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;overflow-x:clip;
}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
h1,h2,h3{font-weight:400;font-synthesis:none}
p,dd,li{text-wrap:pretty}
:focus-visible{outline:2px solid var(--scan);outline-offset:3px}
::selection{background:var(--lamp);color:#1a1000}

.skip{position:absolute;left:var(--gutter);top:-4rem;z-index:200;padding:.5rem 1rem;background:var(--lamp);color:#1a1000;text-decoration:none}
.skip:focus{top:.75rem}

/* 取景框四角：作品和视口都是“一次取景”，四角标记是它的边界 */
.ticks{
  position:absolute;inset:-1px;pointer-events:none;
  --c:var(--scan);--l:14px;--w:1.5px;
  background:
    linear-gradient(var(--c),var(--c)) top left/var(--l) var(--w) no-repeat,
    linear-gradient(var(--c),var(--c)) top left/var(--w) var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) top right/var(--l) var(--w) no-repeat,
    linear-gradient(var(--c),var(--c)) top right/var(--w) var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom left/var(--l) var(--w) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom left/var(--w) var(--l) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom right/var(--l) var(--w) no-repeat,
    linear-gradient(var(--c),var(--c)) bottom right/var(--w) var(--l) no-repeat;
}
.frame{position:relative}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  height:calc(60px + env(safe-area-inset-top));
  padding:env(safe-area-inset-top) var(--gutter) 0;
  border-bottom:1px solid transparent;
  transition:background-color .25s,border-color .25s;
}
.topbar.is-stuck{
  background:rgba(6,11,28,.8);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom-color:var(--rule);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none}
.brand-name{font:400 1.25rem/1 var(--disp);opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .25s}
.topbar.is-stuck .brand-name{opacity:1;transform:none}
.nav{display:flex;gap:clamp(10px,3vw,30px)}
.nav a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 4px;
  color:var(--mist);text-decoration:none;font-size:.9375rem;
}
.nav a:hover,.nav a[aria-current="true"]{color:var(--haze)}
.nav a[aria-current="true"]::after{content:"";position:absolute;left:4px;right:4px;bottom:6px;height:2px;background:var(--scan)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;overflow:clip;
  min-height:100vh;min-height:max(100svh,600px);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:88px var(--gutter) max(18px,env(safe-area-inset-bottom));
  /* WebGL 出第一帧之前（或不支持时）的底：同一个黄昏 */
  background:
    radial-gradient(90% 50% at 50% 62%,rgba(255,150,70,.42),rgba(255,150,70,0) 70%),
    linear-gradient(180deg,#0a1236 0%,#1c1f52 38%,#5a3a55 66%,#120f26 100%);
}
.hero-canvas{
  position:absolute;inset:0;z-index:-2;width:100%;height:100%;
  opacity:0;transition:opacity 1s ease;
  touch-action:pan-y;cursor:grab;
}
.hero-canvas.is-dragging{cursor:grabbing}
.hero.is-live .hero-canvas{opacity:1}
/* 不支持 WebGL：换成一张静态的城市画面，控制面板没用了就藏起来 */
.hero.no-gl{background:#0a1236 url("../img/hero-poster.webp?v=a0e4b72e") center/cover no-repeat}
.hero.no-gl .hero-canvas,.hero.no-gl .hud{display:none}
.hero-scrim{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,11,28,.6) 0,rgba(6,11,28,0) 20%,rgba(6,11,28,0) 40%,rgba(6,11,28,.72) 82%,var(--bg) 100%);
}
.hero-foot{position:relative;display:grid;gap:22px;align-items:end;pointer-events:none}
.hero-copy a,.hud{pointer-events:auto}
.hero-copy{text-shadow:0 2px 22px rgba(3,6,18,.72)}
.hero-copy .btn,.hero-copy .btn-ghost{text-shadow:none}

.hero-name{display:block;font:400 clamp(4.5rem,16vw,10.75rem)/.98 var(--disp);letter-spacing:.02em}
.hero-role{display:block;margin-top:.3em;font:400 clamp(1.5rem,4.2vw,2.5rem)/1.2 var(--disp)}
.hero-line{margin-top:1.1rem;font:400 clamp(1.1875rem,2.6vw,1.75rem)/1.45 var(--disp);color:var(--haze)}
.hero-years{margin-top:.4rem;color:var(--mist);font-size:.9375rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.35rem}

.btn,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  min-height:48px;padding:0 24px;text-decoration:none;
  font:400 1.0625rem/1 var(--disp);
}
.btn{background:var(--lamp);color:#1a1000;box-shadow:0 0 26px rgba(255,171,74,.32);transition:box-shadow .2s,transform .2s}
.btn:hover{box-shadow:0 0 38px rgba(255,171,74,.5)}
.btn-ghost{border:1px solid var(--rule-2);color:var(--haze);background:rgba(6,11,28,.35);transition:border-color .2s,background-color .2s}
.btn-ghost svg{color:var(--scan)}
.btn-ghost:hover{border-color:var(--scan);background:rgba(67,229,255,.08)}

/* 场景控制面板：昼夜、天气 */
.hud{
  position:relative;padding:14px 16px 12px;
  background:rgba(6,11,28,.64);
  -webkit-backdrop-filter:blur(12px) saturate(1.2);backdrop-filter:blur(12px) saturate(1.2);
  border:1px solid var(--rule-2);
}
.hud-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.hud-clock{font:400 2rem/1 var(--disp);font-variant-numeric:tabular-nums}
.hud-perf{font-size:.75rem;color:var(--mist);font-variant-numeric:tabular-nums;text-align:right}
.tod{
  -webkit-appearance:none;appearance:none;display:block;width:100%;height:30px;margin:8px 0 4px;
  background:transparent;cursor:pointer;touch-action:pan-y;
}
.tod::-webkit-slider-runnable-track{
  height:6px;border-radius:3px;
  background:linear-gradient(90deg,#050b22 0%,#0d1a4a 20%,#ff9a4d 28%,#8fb8ff 40%,#c9e4ff 50%,#8fb8ff 60%,#ff8a3d 74%,#2a2a6a 83%,#050b22 100%);
}
.tod::-moz-range-track{
  height:6px;border-radius:3px;
  background:linear-gradient(90deg,#050b22 0%,#0d1a4a 20%,#ff9a4d 28%,#8fb8ff 40%,#c9e4ff 50%,#8fb8ff 60%,#ff8a3d 74%,#2a2a6a 83%,#050b22 100%);
}
.tod::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:20px;height:20px;margin-top:-7px;border-radius:50%;
  background:var(--lamp);border:2px solid #1a1000;box-shadow:0 0 14px rgba(255,171,74,.7);
}
.tod::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;
  background:var(--lamp);border:2px solid #1a1000;box-shadow:0 0 14px rgba(255,171,74,.7);
}
.tod:focus-visible{outline:2px solid var(--scan);outline-offset:4px}
.hud-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.wx{display:inline-flex;border:1px solid var(--rule-2)}
.wx button{min-width:48px;min-height:40px;padding:0 14px;color:var(--mist);font:400 1rem/1 var(--disp);transition:color .15s,background-color .15s}
.wx button:hover{color:var(--haze)}
.wx button[aria-checked="true"]{background:var(--scan);color:#03141b}
.cycle{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 6px;color:var(--mist);font:400 .9375rem/1 var(--body)}
.cycle:hover{color:var(--haze)}
.cycle[aria-pressed="true"]{color:var(--lamp)}
.cycle .i-pause{display:none}
.cycle[aria-pressed="true"] .i-play{display:none}
.cycle[aria-pressed="true"] .i-pause{display:inline}
.hud-note{margin-top:8px;font-size:.75rem;line-height:1.55;color:var(--dim)}

/* 首屏入场：城市从中心往外“建起来”，同时名字定影。只在这一处动 */
@keyframes settle{from{opacity:0;letter-spacing:.16em;filter:blur(10px)}to{opacity:1;letter-spacing:.02em;filter:blur(0)}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero-name{animation:settle 1.5s cubic-bezier(.2,.7,.2,1) .35s both}
.hero-role{animation:rise .9s ease-out 1.05s both}
.hero-line{animation:rise .9s ease-out 1.25s both}
.hero-years,.hero-cta{animation:rise .9s ease-out 1.45s both}
.hud{animation:rise .9s ease-out 1.7s both}

@media (min-width:900px){
  .hero-foot{grid-template-columns:minmax(0,1fr) 360px}
}

/* ---------- 通用区块 ---------- */
.section{position:relative;padding:clamp(72px,11vw,150px) var(--gutter)}
.wrap{max-width:1240px;margin:0 auto}
.section-head{display:grid;gap:14px;margin-bottom:clamp(28px,5vw,56px)}
.section h2{font:400 clamp(2.5rem,7.4vw,4.75rem)/1.05 var(--disp);letter-spacing:.01em}
.lead{color:var(--mist);max-width:36em}
@media (min-width:900px){
  .section-head{grid-template-columns:minmax(0,1fr) minmax(0,31em);align-items:end;gap:48px}
}
.works,.skills{background:var(--bg)}
.projects,.career{background:var(--bg-1);border-top:1px solid var(--rule)}
.skills{border-top:1px solid var(--rule)}

/* ---------- 作品查看器 ---------- */
.works-data{margin-top:32px}
.works.is-enhanced .works-data{display:none}
.wgroup{margin-top:40px}
.wgroup h3{font:400 1.5rem/1.3 var(--disp)}
.wintro{color:var(--mist);margin-top:6px}
.wlist{display:grid;gap:24px;margin-top:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.witem figcaption{display:grid;gap:2px;margin-top:8px}
.witem figcaption span{color:var(--mist);font-size:.9375rem}

/* 查看器的宽度按屏幕高度收一收：矮屏上整张图 + 说明能一屏看完，不用滚 */
.viewer{position:relative;min-height:1px;max-width:max(680px,calc((100vh - 200px) * 16 / 9));margin-inline:auto}
@supports (height:100svh){.viewer{max-width:max(680px,calc((100svh - 200px) * 16 / 9))}}
.tabs{
  display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
  border-bottom:1px solid var(--rule);
  mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);
}
.tabs.is-end{mask-image:none;-webkit-mask-image:none}
.tabs::-webkit-scrollbar{display:none}
@media (max-width:899px){
  /* 手机上标签栏顶到屏幕两边，可以一直滑到边 */
  .tabs{margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter)}
}
.tab{position:relative;flex:none;min-height:48px;padding:0 14px;color:var(--mist);font:400 1rem/1 var(--disp);white-space:nowrap;transition:color .15s}
.tab:hover{color:var(--haze)}
.tab .n{margin-left:.5em;font:400 .8125rem/1 var(--body);color:var(--dim)}
.tab[aria-selected="true"]{color:var(--haze)}
.tab[aria-selected="true"]::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--scan)}

.stage{
  position:relative;margin-top:20px;aspect-ratio:16/9;
  background:#050917;border:1px solid var(--rule);overflow:hidden;
  touch-action:pan-y;-webkit-user-select:none;user-select:none;
}
.stage img{-webkit-user-drag:none}
.st-bg{position:absolute;inset:-6%;width:112%;height:112%;max-width:none;object-fit:cover;filter:blur(26px) brightness(.5) saturate(1.3);opacity:0;transition:opacity .3s}
.stage.is-contain .st-bg{opacity:1}
.st-lit,.st-scan{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .22s}
.stage.is-contain .st-lit,.stage.is-contain .st-scan{object-fit:contain}
.st-lit.is-swapping{opacity:0}
.st-scan{opacity:0;pointer-events:none;visibility:hidden}
.st-scan.is-ready{visibility:visible}
.stage.mode-wire .st-scan{opacity:1}
.stage.lens-on:not(.mode-wire) .st-scan{
  opacity:1;
  -webkit-mask-image:radial-gradient(circle var(--lr,140px) at var(--lx,50%) var(--ly,50%),#000 0,#000 60%,transparent 100%);
  mask-image:radial-gradient(circle var(--lr,140px) at var(--lx,50%) var(--ly,50%),#000 0,#000 60%,transparent 100%);
}
.st-lens{
  position:absolute;left:0;top:0;width:calc(var(--lr,140px) * 2);height:calc(var(--lr,140px) * 2);
  transform:translate(calc(var(--lx,0px) - var(--lr,140px)),calc(var(--ly,0px) - var(--lr,140px)));
  border:1px solid rgba(67,229,255,.75);border-radius:50%;pointer-events:none;opacity:0;transition:opacity .2s;
}
.st-lens::before,.st-lens::after{content:"";position:absolute;left:50%;top:50%;background:rgba(67,229,255,.75)}
.st-lens::before{width:11px;height:1px;transform:translate(-50%,-50%)}
.st-lens::after{width:1px;height:11px;transform:translate(-50%,-50%)}
.stage.lens-on:not(.mode-wire) .st-lens{opacity:1}
.st-sweep{position:absolute;top:0;bottom:0;left:0;width:2px;background:var(--scan);box-shadow:0 0 18px 2px rgba(67,229,255,.8);opacity:0;pointer-events:none}
@media (hover:hover) and (pointer:fine){.stage{cursor:zoom-in}}

.st-index{
  position:absolute;left:12px;top:10px;padding:4px 9px;
  background:rgba(6,11,28,.62);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  font-size:.8125rem;line-height:1.4;color:var(--haze);font-variant-numeric:tabular-nums;pointer-events:none;
}
.st-modes{
  position:absolute;right:12px;top:10px;display:inline-flex;
  background:rgba(6,11,28,.66);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--rule-2);
}
.st-modes button{min-width:52px;min-height:36px;padding:0 12px;color:var(--mist);font:400 .9375rem/1 var(--disp);cursor:pointer}
.st-modes button[aria-checked="true"]{background:var(--scan);color:#03141b}
.st-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:44px;height:68px;display:grid;place-items:center;
  background:rgba(6,11,28,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:var(--haze);
  opacity:0;transition:opacity .2s;
}
.st-prev{left:0}.st-next{right:0}
.stage:hover .st-nav,.stage:focus-within .st-nav{opacity:1}
@media (hover:none){.st-nav{opacity:.85;width:38px;height:56px}}
.st-nav[disabled]{visibility:hidden}

.cap{display:grid;gap:6px 40px;margin-top:18px}
.cap-title{font:400 clamp(1.375rem,2.6vw,1.875rem)/1.25 var(--disp)}
.cap-text{color:var(--mist);max-width:34em}
.cap-intro{color:var(--dim);font-size:.9375rem;max-width:30em}
@media (min-width:900px){
  .cap{grid-template-columns:minmax(0,1fr) minmax(0,24em)}
  .cap-main{grid-column:1}
  .cap-intro{grid-column:2;grid-row:1 / span 2;align-self:end}
}
.thumbs{
  display:flex;gap:8px;margin-top:18px;padding-bottom:8px;overflow-x:auto;
  scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:var(--rule-2) transparent;
}
.thumb{
  position:relative;flex:0 0 clamp(104px,15vw,152px);aspect-ratio:16/9;overflow:hidden;
  background:#050917;border:1px solid var(--rule);opacity:.5;scroll-snap-align:start;transition:opacity .15s,border-color .15s;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover{opacity:.85}
.thumb[aria-selected="true"]{opacity:1;border-color:var(--scan)}

/* ---------- 项目 ---------- */
.project{display:grid;gap:22px;padding:clamp(28px,4vw,48px) 0;border-top:1px solid var(--rule)}
.project:last-child{padding-bottom:0}
.shot{background:var(--bg-2)}
.shot img{width:100%;height:auto}
.project-body h3{font:400 clamp(1.625rem,3.2vw,2.375rem)/1.2 var(--disp)}
.project-role{margin-top:8px;color:var(--mist);font-size:.9375rem}
.points{margin-top:18px;display:grid;gap:12px}
.points li{position:relative;padding-left:1.25em;color:#c8d5f2;max-width:38em}
.points li::before{content:"";position:absolute;left:1px;top:.78em;width:6px;height:6px;border:1px solid var(--scan);transform:rotate(45deg)}
.speed{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin-top:20px}
.speed-was{font:400 clamp(1.625rem,4vw,2.375rem)/1 var(--disp);color:var(--dim);text-decoration:line-through;text-decoration-thickness:2px;text-decoration-color:rgba(125,141,182,.65)}
.speed-arrow{color:var(--mist);flex:none}
.speed-now{font:400 clamp(2.25rem,5.6vw,3.5rem)/1 var(--disp);color:var(--lamp);text-shadow:0 0 30px rgba(255,171,74,.45)}
@media (min-width:900px){
  .project{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start}
}

/* ---------- 能力：像编辑器的属性面板 ---------- */
.inspector{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){
  .inspector{grid-template-columns:repeat(2,minmax(0,1fr))}
  .igroup:last-child{grid-column:1 / -1}
}
@media (min-width:1040px){
  /* 五组排成两行铺满：上面三个各占 2/6，下面两个各占 3/6 */
  .inspector{grid-template-columns:repeat(6,minmax(0,1fr))}
  .igroup{grid-column:span 2}
  .igroup:nth-child(n+4){grid-column:span 3}
}
.igroup{background:var(--bg-1);border:1px solid var(--rule)}
.igroup h3{
  display:flex;align-items:center;gap:10px;padding:12px 16px;
  font:400 1.25rem/1.2 var(--disp);background:var(--bg-2);border-bottom:1px solid var(--rule);
}
.igroup h3::before{content:"";flex:none;width:8px;height:8px;background:var(--scan)}
.igroup dl>div{display:grid;grid-template-columns:6.4em minmax(0,1fr);gap:12px;padding:11px 16px;border-bottom:1px solid var(--rule)}
.igroup dl>div:last-child{border-bottom:0}
.igroup dt{color:var(--dim)}
.igroup dd{color:var(--haze)}
@media (max-width:480px){
  .igroup dl>div{grid-template-columns:minmax(0,1fr);gap:1px}
}

/* ---------- 经历：像引擎里的时间轨道 ---------- */
.seq{position:relative;padding-top:24px}
.seq-axis{position:relative;height:30px;border-bottom:1px solid var(--rule-2)}
.seq-axis span{position:absolute;top:2px;transform:translateX(-50%);font-size:.8125rem;line-height:1.4;color:var(--dim);font-variant-numeric:tabular-nums;white-space:nowrap}
.seq-axis i{position:absolute;bottom:-1px;width:1px;height:7px;background:var(--rule-2)}
/* “现在”：轴上一条橙色刻度加标签，每条时间条上再各有一小段，像引擎里的播放头 */
.seq-axis .now-tick{top:0;bottom:-1px;width:2px;height:auto;margin-left:-1px;background:var(--lamp)}
.seq-axis .now-label{top:2px;transform:translateX(calc(-100% - 8px));color:var(--lamp)}
.track{display:grid;gap:14px 40px;padding:14px 0 30px;border-bottom:1px solid var(--rule);grid-template-areas:"bar" "head" "text"}
.track-bar{grid-area:bar;position:relative;height:10px;background:linear-gradient(var(--rule),var(--rule)) center/100% 1px no-repeat}
.track-bar::after{content:"";position:absolute;top:-3px;bottom:-3px;left:calc(var(--now,1) * 100%);width:2px;margin-left:-1px;background:var(--lamp)}
.track-bar i{
  position:absolute;top:1px;bottom:1px;
  left:calc(var(--s,0) * 100%);width:max(6px,calc((var(--e,0) - var(--s,0)) * 100%));
  background:linear-gradient(90deg,rgba(67,229,255,.28),var(--scan));
}
.track-head{grid-area:head}
.track-text{grid-area:text}
.track-head h3{font:400 clamp(1.25rem,2.2vw,1.625rem)/1.3 var(--disp)}
.track-role{margin-top:2px;color:var(--haze)}
.track-time{margin-top:2px;color:var(--dim);font-size:.9375rem;font-variant-numeric:tabular-nums}
.track-text{display:grid;gap:10px;color:#c8d5f2;max-width:40em}
@media (min-width:900px){
  .track{grid-template-columns:minmax(0,4fr) minmax(0,7fr);grid-template-areas:"bar bar" "head text"}
}
.edu{margin-top:clamp(36px,5vw,64px);border-top:1px solid var(--rule-2)}
.edu>div{display:grid;grid-template-columns:7em minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--rule)}
.edu dt{color:var(--dim)}

/* ---------- 页脚 ---------- */
.footer{padding:56px var(--gutter) max(32px,env(safe-area-inset-bottom));border-top:1px solid var(--rule);background:var(--bg)}
.footer-in{display:grid;gap:8px 32px;grid-template-columns:minmax(0,1fr)}
.footer-name{font:400 1.75rem/1.2 var(--disp)}
.footer-meta{color:var(--mist)}
.footer-link{justify-self:start;display:inline-flex;align-items:center;min-height:44px;color:var(--haze);text-underline-offset:4px}
.footer-fine{margin-top:12px;color:var(--dim);font-size:.8125rem}
@media (min-width:760px){
  .footer-in{grid-template-columns:auto minmax(0,1fr) auto;align-items:baseline}
  .footer-fine{grid-column:1 / -1}
}

/* ---------- 大图 ---------- */
.lightbox[hidden]{display:none}
.lightbox{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:56px 12px 64px;background:rgba(3,6,16,.95)}
.lb-img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}
.lb-close,.lb-nav{position:absolute;display:grid;place-items:center;color:var(--haze);background:rgba(6,11,28,.55)}
.lb-close{top:max(8px,env(safe-area-inset-top));right:8px;width:48px;height:48px}
.lb-nav{top:50%;transform:translateY(-50%);width:44px;height:64px}
.lb-prev{left:4px}.lb-next{right:4px}
.lb-cap{position:absolute;left:0;right:0;bottom:max(14px,env(safe-area-inset-bottom));padding:0 64px;text-align:center;color:var(--mist);font-size:.9375rem}

/* ---------- 窄屏 ---------- */
@media (max-width:599px){
  .hero-cta .btn,.hero-cta .btn-ghost{flex:1 1 0;min-width:0}
  .hud{padding:12px 14px 10px}
  .hud-clock{font-size:1.75rem}
  .hud-note{display:none}
  .st-modes button{min-width:48px}
  .track-text{max-width:none}
}
@media (max-width:359px){
  .nav{gap:6px}
  .nav a{font-size:.875rem;padding:0 3px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}