/* =========================================================
   刘东宁 · 个人主页 —— 工程制图风格
   排版 / 网格 / 标注线 / 雾化玻璃按钮
   ========================================================= */

@font-face{
  font-family:"Space Grotesk";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(fonts/SpaceGrotesk-var.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"JetBrains Mono";font-style:normal;font-weight:400 700;font-display:swap;
  src:url(fonts/JetBrainsMono-var.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --paper:#f4f2ed; --ink:#121212; --muted:#6f6d66; --hair:rgba(18,18,18,.12);
  --panel:rgba(255,255,255,.55); --accent:#bf3a24; --grid:rgba(18,18,18,.045);
  --glass:rgba(255,255,255,.5); --glass-bd:rgba(18,18,18,.12); --glass-hi:rgba(255,255,255,.85);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Space Grotesk",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --pad:clamp(18px,4.5vw,64px); --measure:1200px;
  --gap:clamp(28px,6vw,80px);
  --ease:cubic-bezier(.22,1,.36,1);
}
[data-theme=dark]{
  --paper:#0c0d0f; --ink:#eceae5; --muted:#8d8b84; --hair:rgba(236,234,229,.14);
  --panel:rgba(255,255,255,.035); --accent:#ff6a4d; --grid:rgba(236,234,229,.05);
  --glass:rgba(38,40,45,.5); --glass-bd:rgba(255,255,255,.14); --glass-hi:rgba(255,255,255,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .5s var(--ease),color .5s var(--ease);
  padding-bottom:env(safe-area-inset-bottom);
}
::selection{background:var(--accent);color:var(--paper)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,p,dl,dd,ol,ul,figure{margin:0;padding:0}
ol,ul{list-style:none}
button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* 图纸底纹 + 颗粒 */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:88px 88px;mask-image:radial-gradient(120% 90% at 50% 0%,#000 40%,transparent 100%);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 40%,transparent 100%);
}
.grain{position:fixed;inset:-50%;z-index:1;pointer-events:none;opacity:.038;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");}
main,header.top,footer{position:relative;z-index:2}

/* 光标（仅精确指针） */
.cursor{position:fixed;top:0;left:0;z-index:60;pointer-events:none;mix-blend-mode:difference;opacity:0;transition:opacity .3s}
.cursor i{display:block;width:26px;height:26px;margin:-13px 0 0 -13px;border:1px solid #fff;border-radius:50%;transition:transform .22s var(--ease),opacity .22s}
.cursor.big i{transform:scale(2.1);opacity:.55}
@media(hover:hover) and (pointer:fine){.cursor{opacity:1}}
@media(pointer:coarse),(hover:none){.cursor{display:none}}

/* 雾化玻璃 */
.glass{
  -webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);
  background:var(--glass);border:1px solid var(--glass-bd);color:var(--ink);
  box-shadow:inset 0 1px 0 var(--glass-hi);
  transition:transform .2s var(--ease),border-color .2s,background .3s;
}
.glass:hover{border-color:var(--accent)}
.glass:active{transform:scale(.97)}

/* ============ 顶栏 ============ */
.top{
  position:sticky;top:clamp(10px,2vw,20px);z-index:40;display:flex;align-items:center;gap:18px;
  width:min(100% - 2*var(--pad),var(--measure));margin:clamp(10px,2vw,20px) auto 0;
  padding:10px 18px;border-radius:999px;
  -webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);
  background:var(--glass);border:1px solid var(--glass-bd);box-shadow:inset 0 1px 0 var(--glass-hi),0 10px 30px rgba(0,0,0,.06);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em;padding:5px 0;min-width:0}
.brand-line{display:block;overflow:hidden;min-width:0;max-width:min(54vw,460px);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.brand-track{display:flex;width:max-content;animation:brand 38s linear infinite}
.brand:hover .brand-track{animation-play-state:paused}
.brand-track i{font-style:normal;font-weight:500;font-size:12.5px;letter-spacing:.04em;
  color:var(--muted);white-space:nowrap;padding-right:56px}
@keyframes brand{to{transform:translateX(-50%)}}
.brand-mark{width:9px;height:9px;border-radius:2px;background:var(--accent);transition:transform .3s var(--ease)}
.brand:hover .brand-mark{transform:rotate(45deg) scale(1.25)}
.menu{margin-left:auto;display:flex;gap:2px}
.menu a{position:relative;font-size:13.5px;color:var(--muted);padding:7px 13px;border-radius:999px;transition:color .25s;white-space:nowrap}
.menu a::after{content:"";position:absolute;left:13px;right:13px;bottom:5px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.menu a:hover,.menu a.on{color:var(--ink)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
#theme{width:34px;height:34px;border-radius:50%;cursor:pointer;display:grid;place-items:center;flex:0 0 auto}
#theme i{width:11px;height:11px;border-radius:50%;background:var(--ink);transition:transform .4s var(--ease),box-shadow .4s}
[data-theme=dark] #theme i{transform:translateX(3px);box-shadow:inset -4px -1px 0 0 var(--paper)}

/* ============ 左侧标尺 ============ */
.rail{position:fixed;left:max(18px,calc((100vw - var(--measure))/2 - 54px));top:0;height:100vh;width:34px;z-index:35;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px}
.rail-tag{writing-mode:vertical-rl;font:400 10.5px/1 var(--mono);letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.rail-line{width:1px;height:34vh;background:var(--hair);position:relative;overflow:hidden}
.rail-line i{position:absolute;inset:0 0 auto;height:0;background:var(--accent)}
.rail-dots{display:flex;flex-direction:column;gap:12px}
.rail-dots a{width:7px;height:7px;border-radius:50%;border:1px solid var(--hair);position:relative;transition:border-color .3s,background .3s}
.rail-dots a span{position:absolute;left:16px;top:-5px;font:400 10px/1.4 var(--mono);letter-spacing:.1em;color:var(--muted);opacity:0;transform:translateX(-4px);transition:.3s var(--ease);white-space:nowrap}
.rail-dots a:hover span{opacity:1;transform:none}
.rail-dots a.on{background:var(--accent);border-color:var(--accent)}
@media(max-width:1180px){.rail{display:none}}

/* ============ 首屏 ============ */
.hero{padding:clamp(26px,6vh,96px) var(--pad) 0;position:relative}
.hero-grid{max-width:var(--measure);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--gap);align-items:center}
.eyebrow{display:flex;align-items:center;gap:10px;font:500 11.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.tick{width:22px;height:1px;background:var(--accent)}
.display{margin:clamp(14px,2.4vw,26px) 0 0;font-size:clamp(50px,9vw,116px);font-weight:700;letter-spacing:-.045em;line-height:.92}
.mask{display:block;overflow:hidden}
.mask b{display:block;font-weight:inherit;transform:translateY(105%);transition:transform 1.05s var(--ease)}
.ready .mask b{transform:none}
.mask:nth-child(2) b{transition-delay:.09s}
.display .sub{font-size:max(17px,.235em);font-weight:500;letter-spacing:-.015em;color:var(--muted);margin-top:.5em}
.lede{margin-top:clamp(20px,3vw,32px);max-width:34ch;font-size:clamp(15px,1.5vw,17.5px);color:var(--muted);line-height:1.75}
.lede b{color:var(--ink);font-weight:600}
.hero-meta{margin-top:clamp(22px,4vw,40px);display:flex;flex-direction:column;gap:6px}
.hero-meta li{display:flex;align-items:baseline;gap:12px;font-size:14px;min-height:28px}
.hero-meta .k{flex:0 0 46px;font:400 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hero-meta .v{border-bottom:1px solid transparent;transition:border-color .3s;padding:5px 0}
a.v:hover{border-color:var(--accent)}
.avail{display:inline-flex;align-items:center;gap:8px}
.avail i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:live 2.4s infinite}
@keyframes live{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}

/* 图版 */
.plate{position:relative}
.plate-frame{position:relative;padding:12px;border-radius:20px;border:1px solid var(--hair);background:var(--panel);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);
  transform:rotate(-1.2deg);transition:transform .7s var(--ease)}
.plate:hover .plate-frame{transform:rotate(0) translateY(-6px)}
.plate-frame img{width:clamp(150px,15vw,208px);height:auto;aspect-ratio:55/84;object-fit:cover;border-radius:10px}
.plate .tick{position:absolute;width:12px;height:12px;border:1px solid var(--accent);background:none}
.plate .tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.plate .tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.plate .bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.plate .br{bottom:-1px;right:-1px;border-left:0;border-top:0}
.plate figcaption{display:flex;justify-content:space-between;gap:8px;margin-top:12px;font:400 9.5px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}

/* 走马灯 */
.ticker{width:min(100%,var(--measure));margin:clamp(40px,8vh,96px) auto 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);overflow:hidden;position:relative}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:14%;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,var(--paper),transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,var(--paper),transparent)}
.ticker-track{display:flex;gap:26px;width:max-content;padding:15px 0;animation:slide 34s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{font:500 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.ticker-track span:nth-child(4n+1){color:var(--ink)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ============ 通用区块 ============ */
main>section:not(.hero){max-width:var(--measure);margin:0 auto;padding:clamp(72px,13vh,140px) var(--pad) 0}
.sec-h{display:flex;align-items:baseline;gap:16px;font-size:13px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  padding-bottom:16px;border-bottom:1px solid var(--hair);margin-bottom:clamp(34px,6vw,64px)}
.sec-h .num{font:500 11px/1 var(--mono);color:var(--accent);letter-spacing:.08em}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 关于 ============ */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,6vw,72px);align-items:start}
.statement{font-size:clamp(21px,3.1vw,36px);line-height:1.42;font-weight:500;letter-spacing:-.022em;max-width:18ch;text-wrap:balance}
.statement b{color:var(--accent);font-weight:600}
.spec{border-top:1px solid var(--hair)}
.spec-row{display:grid;grid-template-columns:74px 1fr;gap:16px;padding:14px 6px;border-bottom:1px solid var(--hair);transition:background .35s,padding-left .35s var(--ease)}
.spec-row:hover{background:var(--panel);padding-left:14px}
.spec dt{font:500 11px/1.9 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.spec dd{font-size:14.5px;line-height:1.7}
.spec dd b{font-weight:600}

.stats{margin-top:clamp(48px,8vw,88px);display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair)}
.stat{background:var(--paper);padding:clamp(18px,2.6vw,30px);transition:background .4s}
.stat:hover{background:var(--panel)}
.stat b{display:block;font:700 clamp(28px,4.4vw,50px)/1 var(--mono);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:10px;font:400 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ============ 作品索引 ============ */
.index{border-top:1px solid var(--hair)}
.idx-row{border-bottom:1px solid var(--hair);position:relative}
.idx-main{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:clamp(16px,3vw,44px);align-items:start;
  padding:clamp(24px,3.6vw,38px) 8px clamp(26px,3.8vw,40px);position:relative;transition:padding .5s var(--ease)}
.idx-main::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease)}
.idx-row:hover .idx-main{padding-left:26px}
.idx-row:hover .idx-main::before{transform:scaleY(1)}
.idx-n{font:500 11px/1.9 var(--mono);letter-spacing:.1em;color:var(--muted);transition:color .35s}
.idx-row:hover .idx-n{color:var(--accent)}
.idx-lead{display:grid;gap:12px;min-width:0}
.idx-t{font-size:clamp(20px,2.6vw,31px);font-weight:600;letter-spacing:-.022em;line-height:1.22}
.ext{font-style:normal;display:inline-block;font-size:.5em;font-weight:500;color:var(--muted);margin-left:10px;
  vertical-align:.28em;transition:transform .35s var(--ease),color .3s}
.p-t .ext{font-size:.62em;margin-left:8px}
.idx-row:hover .ext,.prize li:hover .ext{transform:translate(3px,-3px);color:var(--accent)}
.idx-d{font-size:14.5px;line-height:1.7;color:var(--muted);max-width:56ch;text-wrap:pretty}
.nb{white-space:nowrap}
.idx-side{display:flex;align-items:center;gap:14px;justify-self:end;padding-top:7px;flex-wrap:wrap;justify-content:flex-end}
.idx-g{font:500 10.5px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);white-space:nowrap;
  transition:color .35s}
.idx-row:hover .idx-g{color:var(--ink)}
.media-btn{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;cursor:pointer;
  font:500 10.5px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--hair);background:none;transition:color .3s,border-color .3s,background .3s}
.media-btn i{font-style:normal;font-size:8px;color:var(--accent)}
.media-btn em{font-style:normal;opacity:.55}
.media-btn:hover{color:var(--ink);border-color:var(--accent);background:var(--panel)}

.peek{position:fixed;left:0;top:0;z-index:50;pointer-events:none;opacity:0;
  transform:translate(-50%,-50%) scale(.94);transition:opacity .28s var(--ease),transform .28s var(--ease)}
.peek.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.peek span{display:block;max-width:min(46vw,380px);padding:11px 15px;border-radius:10px;
  font:400 11.5px/1.6 var(--mono);letter-spacing:.02em;white-space:nowrap;
  -webkit-backdrop-filter:blur(18px) saturate(180%);backdrop-filter:blur(18px) saturate(180%);
  background:var(--glass);border:1px solid var(--glass-bd);box-shadow:0 14px 40px rgba(0,0,0,.16)}

/* ============ 奖项 ============ */
.prize{border-top:1px solid var(--hair)}
.prize li{display:grid;grid-template-columns:44px minmax(0,1fr) auto auto;gap:clamp(12px,2.4vw,28px);align-items:baseline;
  padding:clamp(20px,3vw,28px) 8px;border-bottom:1px solid var(--hair);position:relative;overflow:hidden;transition:padding-left .45s var(--ease)}
.prize li:hover{padding-left:22px}
.prize li.has-cert{cursor:pointer}
.prize li::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.prize li:hover::after{transform:scaleX(1)}
.p-n{font:500 11px/1 var(--mono);color:var(--muted)}
.p-t{font-size:clamp(16px,2vw,21px);font-weight:500;letter-spacing:-.012em}
.p-l{font:400 10.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.p-w{font:700 clamp(15px,1.9vw,20px)/1 var(--mono);letter-spacing:-.02em;color:var(--accent)}

/* ============ 联系 ============ */
.say{font-size:clamp(28px,6vw,76px);line-height:1.1;font-weight:700;letter-spacing:-.042em;text-wrap:balance}
.cta{margin-top:clamp(30px,5vw,54px);display:flex;flex-wrap:wrap;gap:12px}
.cta a{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:13px 22px;font-size:15px}
.cta a i{font-style:normal;font:400 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ============ 页脚 ============ */
footer{max-width:var(--measure);margin:clamp(70px,12vh,130px) auto 0;padding:22px var(--pad) 34px;border-top:1px solid var(--hair);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font:400 11.5px/1 var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.foot-acts{display:flex;align-items:center;gap:10px}
#stats{display:none;align-items:center;height:34px;padding:0 14px;border-radius:999px;font-size:11px;letter-spacing:.12em}
#stats.show{display:inline-flex}
.top-link{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--hair);transition:border-color .3s,color .3s}
.top-link:hover{border-color:var(--accent);color:var(--ink)}
.top-link i{font-style:normal;transition:transform .3s var(--ease)}
.top-link:hover i{transform:translateY(-3px)}

/* 提示条 */
.toast{position:fixed;left:50%;bottom:26px;z-index:70;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  padding:10px 18px;border-radius:999px;font:500 12px/1 var(--mono);letter-spacing:.06em;
  -webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);
  background:var(--glass);border:1px solid var(--glass-bd);box-shadow:0 12px 34px rgba(0,0,0,.18);
  transition:opacity .35s var(--ease),transform .35s var(--ease)}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ============ 响应式 ============ */
@media(min-width:1600px){
  :root{--measure:1320px}
}
@media(max-width:900px){
  .about{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .idx-main{grid-template-columns:34px minmax(0,1fr);gap:10px 14px}
  .idx-lead{grid-column:2}
  .idx-side{grid-column:1/-1;justify-self:start;justify-content:flex-start;padding-top:4px;gap:10px 14px}
  .prize li{grid-template-columns:34px minmax(0,1fr) auto}
  .p-t{grid-column:2/-1}
  .p-l{grid-column:2;grid-row:2}
  .p-w{grid-column:3;grid-row:2;margin-top:6px}
}
@media(max-width:640px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .plate{order:-1;max-width:150px}
  .display{letter-spacing:-.035em}
  .plate-frame img{width:126px}
  .plate-frame{transform:none}
  .menu{gap:0}
  .menu a{padding:7px 7px;font-size:12px}
  .top{margin-top:10px;padding:7px 9px;gap:6px}
  .brand{font-size:14px;gap:7px}
  .brand-mark{width:8px;height:8px}
  #theme{width:28px;height:28px}
  .hero-meta li{flex-wrap:wrap;gap:6px}
  .statement{max-width:22ch}
  .idx-t{font-size:20px}
  .idx-d{font-size:13.5px;max-width:none}
  .spec-row{grid-template-columns:1fr;gap:3px;padding:13px 4px}
  .spec dt{line-height:1.5}
  .spec dd{font-size:14px}
  .ticker{margin-top:clamp(34px,7vh,110px)}
  .peek{display:none}
  .cta a{width:100%;justify-content:space-between}
  footer{flex-direction:column;align-items:flex-start;gap:16px}
}
@media print{
  .grain,.cursor,.rail,.ticker,.peek,.toast,#theme,#stats,.top-link{display:none!important}
  body::before{display:none}
  body{background:#fff;color:#000}
  .top{position:static;box-shadow:none;background:none;border:0}
  .mask b{transform:none!important}
  .reveal{opacity:1!important;transform:none!important}
  main>section:not(.hero){padding-top:36px}
  .plate-frame{transform:none;box-shadow:none}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:10px;color:#555}
}

/* 作品行内的影像入口 */
.media-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:10px;
  border-radius:999px;padding:9px 14px;height:34px;box-sizing:border-box;
  font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);cursor:pointer;
  transition:color .3s,border-color .3s}
.media-btn i{font-style:normal;color:var(--accent)}
.media-btn em{font-style:normal;opacity:.6}
.media-btn:hover{color:var(--ink)}

body.lb-open .grain,body.lb-open .cursor,body.lb-open .peek{display:none!important}
body.lb-open .ticker-track,body.lb-open .brand-track,body.lb-open .avail i{animation-play-state:paused}

/* 灯箱 —— 三行网格布局，任何屏幕尺寸都不会重叠 */
.lb{position:fixed;inset:0;z-index:80;display:grid;grid-template-rows:auto minmax(0,1fr) auto;grid-template-areas:"bar" "stage" "foot";height:100dvh;
  background:var(--paper);padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
  transition:grid-template-rows .5s var(--ease)}
.lb[hidden]{display:none}
.lb-bar{grid-area:bar;display:flex;align-items:center;gap:12px;overflow:hidden;min-height:0;
  padding:14px clamp(14px,3vw,32px);transition:opacity .4s var(--ease),padding .5s var(--ease)}
.lb-title{flex:1 1 auto;min-width:0;font:500 11.5px/1.4 var(--mono);letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-dots{display:flex;gap:7px;flex:0 0 auto}
.lb-dots button{width:8px;height:8px;padding:0;border-radius:50%;border:1px solid var(--hair);
  background:none;cursor:pointer;transition:.3s var(--ease)}
.lb-dots button.on{background:var(--accent);border-color:var(--accent);transform:scale(1.35)}
.lb-count{flex:0 0 auto;font:500 11px/1 var(--mono);color:var(--muted);letter-spacing:.1em}
.lb-x{flex:0 0 auto;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:13px;display:grid;place-items:center}

.lb-stage{grid-area:stage;position:relative;display:grid;place-items:center;min-height:0;overflow:hidden;
  grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);
  padding:2px clamp(10px,3vw,28px);cursor:grab;touch-action:pan-y}
.lb-stage.drag{cursor:grabbing}
.lb-stage img,.lb-stage video{display:block;max-width:100%;max-height:100%;width:auto;height:auto;
  border-radius:14px;border:1px solid var(--hair);box-shadow:0 20px 60px rgba(0,0,0,.2);background:#000;object-fit:contain}
.lb-box{position:relative;width:100%;height:100%;display:grid;place-items:center;line-height:0;
  grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);
  will-change:transform;transition:transform .45s var(--ease)}
.lb-stage.drag .lb-box{transition:none}
.lb-badge{position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;
  pointer-events:none;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  background:rgba(10,10,12,.6);border:1px solid rgba(255,255,255,.22);color:#fff}
.lb-badge i{font-style:normal;color:var(--accent)}

.lb-foot{grid-area:foot;display:grid;gap:10px;justify-items:center;overflow:hidden;min-height:0;
  padding:12px clamp(14px,3vw,32px) 16px;transition:opacity .4s var(--ease),padding .5s var(--ease)}
.lb-cap{text-align:center;font-size:13px;color:var(--muted);line-height:1.5;max-width:62ch}
.lb-film{display:flex;justify-content:center;gap:10px;overflow-x:auto;max-width:100%;padding:2px}
.lb-film button{position:relative;flex:0 0 auto;width:50px;height:62px;padding:0;border-radius:8px;overflow:hidden;
  border:1px solid var(--hair);background:var(--panel);cursor:pointer;line-height:0;opacity:.45;
  transform:translateY(4px) scale(.94);
  transition:opacity .4s var(--ease),transform .4s var(--ease),border-color .3s,box-shadow .3s}
.lb-film button img{width:100%;height:100%;object-fit:cover;display:block}
.lb-film button:hover{opacity:.8;transform:translateY(0) scale(1)}
.lb-film button.on{opacity:1;transform:none;border-color:var(--accent);box-shadow:0 6px 18px rgba(0,0,0,.18)}
.lb-film button::after{content:attr(data-n);position:absolute;right:4px;bottom:3px;font:500 9px/1 var(--mono);
  color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.7)}
.lb-film button[data-type=video]::before{content:"▶";position:absolute;left:4px;top:3px;font-size:8px;color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.8);z-index:2}
.lb-hint{display:flex;align-items:center;justify-content:center;gap:9px;
  font:400 10.5px/1 var(--mono);letter-spacing:.1em;color:var(--muted)}
.lb-hint .kb{display:grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:5px;border:1px solid var(--hair)}
.lb-hint .esc{margin-left:8px}
.lb-hint .sw{display:none}
.lb-hint .drag{display:inline}

/* 空闲：控制条收起，画面自动长满 */
.lb.dim{grid-template-rows:0fr minmax(0,1fr) 0fr}
.lb.dim .lb-bar,.lb.dim .lb-foot{opacity:0;pointer-events:none;padding-block:0;visibility:hidden}

@media(max-width:640px){
  .lb-title{font-size:10px;letter-spacing:.05em}
  .lb-dots,.lb-count{display:none}
  .lb-badge{top:9px;left:9px;padding:6px 11px;font-size:10px}
  .lb-film button{width:44px;height:54px}
  .lb-cap{font-size:12px}
  .lb-hint .esc{display:none}
  .lb-hint .sw{display:inline}
}

/* 极窄屏：品牌只留色块，保证四个入口与主题钮同屏 */
@media(max-width:560px){
  .brand-line{display:none}
}
@media(max-width:480px){
  .brand-track i{font-size:11.5px;padding-right:40px}
  .menu a{padding:7px 6px;font-size:11.5px}
  .top{padding:6px 8px;gap:4px}
  #theme{width:26px;height:26px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .mask b{transform:none}
  .reveal{opacity:1;transform:none}
}