:root{
  --bg:#03060c;
  --ink:#eef3ff;
  --muted:rgba(224,234,255,.62);
  --faint:rgba(224,234,255,.44);
  --ghost:rgba(224,234,255,.24);
  --line:rgba(214,229,255,.14);
  --line-soft:rgba(214,229,255,.085);
  --accent:#cfe0ff;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Songti SC","STSong","Noto Serif SC","SimSun",Georgia,serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --pad-x:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  -webkit-tap-highlight-color:transparent;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(160,195,255,.28);color:#fff}

/* ── scene ─────────────────────────────────────────────── */
#gl{
  position:fixed;inset:0;width:100%;height:100%;display:block;
  z-index:0;cursor:grab;touch-action:none;background:#03060c;
}
#gl.dragging{cursor:grabbing}

.scrim{position:fixed;left:0;right:0;pointer-events:none;z-index:2}
.scrim--top{top:0;height:26vh;background:linear-gradient(to bottom,rgba(2,5,11,.62),rgba(2,5,11,.18) 48%,transparent)}
.scrim--bottom{bottom:0;height:46vh;background:linear-gradient(to top,rgba(2,5,10,.58),rgba(2,5,10,.26) 40%,transparent)}

.vignette{
  position:fixed;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(125% 95% at 50% 40%,transparent 38%,rgba(0,2,7,.38) 78%,rgba(0,2,7,.72) 100%);
}
.grain{
  position:fixed;inset:-60%;z-index:4;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 6s steps(6) infinite;
}
@keyframes grain{
  0%{transform:translate3d(0,0,0)}
  20%{transform:translate3d(-3%,2%,0)}
  40%{transform:translate3d(2%,-3%,0)}
  60%{transform:translate3d(-2%,-2%,0)}
  80%{transform:translate3d(3%,1%,0)}
  100%{transform:translate3d(0,0,0)}
}

/* ── layout ────────────────────────────────────────────── */
.ui{
  position:fixed;inset:0;z-index:10;
  display:flex;flex-direction:column;
  padding-top:calc(clamp(20px,3.2vw,44px) + env(safe-area-inset-top,0px));
  padding-right:calc(var(--pad-x) + env(safe-area-inset-right,0px));
  padding-bottom:calc(clamp(18px,2.6vw,34px) + env(safe-area-inset-bottom,0px));
  padding-left:calc(var(--pad-x) + env(safe-area-inset-left,0px));
  pointer-events:none;
  transition:opacity .8s var(--ease);
  -webkit-user-select:none;user-select:none;
}
.ui input{-webkit-user-select:text;user-select:text}
.ui a,.ui button,.ui input,.ui select,.ui .search{pointer-events:auto}

body.hide-ui .ui{opacity:0;pointer-events:none}
body.hide-ui .ui *{pointer-events:none!important}

/* ── topbar ────────────────────────────────────────────── */
.topbar{display:flex;align-items:center;justify-content:space-between;flex:0 0 auto}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand-mark{width:17px;height:17px;fill:var(--accent);filter:drop-shadow(0 0 10px rgba(160,195,255,.55));animation:twinkle 6s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.82;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.brand-name{font-size:11px;font-weight:600;letter-spacing:.4em;text-indent:.4em}
.brand-sub{
  font-family:var(--mono);font-size:8.5px;letter-spacing:.22em;color:var(--faint);
  padding-left:13px;border-left:1px solid var(--line);line-height:1;
}
.status{
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);
}
.status-dot{
  width:4px;height:4px;border-radius:50%;background:#a8e6c9;
  box-shadow:0 0 8px 1px rgba(168,230,201,.65);
  animation:pulse 3.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
.status-sep{width:1px;height:9px;background:var(--line)}
.tnum{font-variant-numeric:tabular-nums}
#clock{color:rgba(236,243,255,.82);min-width:7.2em}

/* ── hero ──────────────────────────────────────────────── */
.hero{
  flex:1 1 auto;min-height:0;
  display:flex;flex-direction:column;justify-content:center;
  max-width:820px;
  padding-bottom:clamp(8px,2vh,28px);
  margin-top:clamp(-10px,-1vh,0px);
}
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.34em;color:var(--muted);
  margin-bottom:clamp(14px,2.2vh,26px);
}
.eyebrow-star{font-size:10px;color:var(--accent);opacity:.9;text-shadow:0 0 12px rgba(180,210,255,.8)}
.title{
  font-family:var(--serif);
  font-size:clamp(52px,7.6vw,104px);
  font-weight:400;line-height:1.04;letter-spacing:.1em;
  margin-left:-.06em;
  text-shadow:0 2px 40px rgba(3,8,20,.55),0 0 90px rgba(120,160,255,.18);
}
.title-en{
  font-family:var(--serif);font-style:italic;
  font-size:clamp(14px,1.45vw,20px);letter-spacing:.06em;
  color:rgba(214,228,255,.62);
  margin-top:clamp(8px,1.2vh,14px);margin-left:.35em;
}
.lede{
  margin-top:clamp(16px,2.4vh,26px);
  font-size:clamp(12px,1.05vw,13.5px);letter-spacing:.16em;color:var(--muted);
}

/* ── search ────────────────────────────────────────────── */
.search{
  position:relative;
  display:flex;align-items:center;gap:12px;
  width:min(100%,560px);
  margin-top:clamp(22px,3.4vh,38px);
  height:54px;padding:0 18px 0 20px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(180deg,rgba(8,15,29,.52),rgba(8,15,29,.30));
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 50px -28px rgba(0,0,0,.9);
  transition:border-color .45s var(--ease),box-shadow .45s var(--ease),background .45s var(--ease),transform .45s var(--ease);
}
.search::after{
  content:"";position:absolute;left:14%;right:14%;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(190,216,255,.85),transparent);
  opacity:0;transition:opacity .45s var(--ease);
}
.search:focus-within{
  border-color:rgba(190,216,255,.42);
  background:linear-gradient(180deg,rgba(14,24,44,.68),rgba(10,18,34,.46));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 0 0 4px rgba(120,160,255,.07),0 26px 70px -30px rgba(70,120,255,.45);
}
.search:focus-within::after{opacity:1}
.search-ico{
  width:17px;height:17px;flex:0 0 auto;fill:none;stroke:rgba(224,236,255,.55);
  stroke-width:1.5;stroke-linecap:round;transition:stroke .3s;
}
.search:focus-within .search-ico{stroke:var(--accent)}
#q{
  flex:1 1 auto;min-width:0;height:100%;
  background:none;border:0;outline:0;color:var(--ink);
  font-family:var(--sans);font-size:13.5px;letter-spacing:.06em;
}
#q::placeholder{color:rgba(214,228,255,.36);letter-spacing:.1em}
#q::-webkit-search-cancel-button{-webkit-appearance:none}
.search-key{
  font-family:var(--mono);font-size:9.5px;color:var(--faint);
  border:1px solid var(--line);border-radius:4px;padding:2px 5px;line-height:1;
  transition:opacity .3s,color .3s,border-color .3s;
}
.search:focus-within .search-key{opacity:0}
.search-sep{width:1px;height:16px;background:var(--line);flex:0 0 auto}
.engine{position:relative;display:flex;align-items:center;flex:0 0 auto}
.engine select{
  appearance:none;-webkit-appearance:none;
  background:none;border:0;outline:0;cursor:pointer;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted);padding:6px 18px 6px 0;
  transition:color .3s;
}
.engine select:hover,.engine select:focus-visible{color:var(--ink)}
.engine select option{background:#0a1020;color:#eef3ff}
.engine-chev{
  position:absolute;right:1px;width:10px;height:10px;pointer-events:none;
  fill:none;stroke:rgba(224,236,255,.45);stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round;
}
.engine select:focus-visible{color:var(--ink)}

/* ── links ─────────────────────────────────────────────── */
.links{margin-top:clamp(22px,3.4vh,36px);width:min(100%,760px)}
.links-head{
  display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:8.5px;letter-spacing:.28em;color:var(--faint);
  margin-bottom:12px;
}
.links-rule{flex:1 1 auto;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}

.card{
  --mx:50%;--my:0%;
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:66px;padding:11px 12px 10px;
  border:1px solid rgba(214,229,255,.10);border-radius:11px;
  background:linear-gradient(180deg,rgba(8,15,29,.46),rgba(8,15,29,.26));
  -webkit-backdrop-filter:blur(12px) saturate(125%);
  backdrop-filter:blur(12px) saturate(125%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  overflow:hidden;isolation:isolate;
  transition:transform .5s var(--ease),border-color .45s var(--ease),background .45s var(--ease),box-shadow .5s var(--ease);
}
.card::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:0;
  background:radial-gradient(150px circle at var(--mx) var(--my),color-mix(in srgb,var(--accent) 22%,transparent),transparent 65%);
  transition:opacity .4s var(--ease);
}
.card::after{
  content:"";position:absolute;left:12px;right:12px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:0;transition:opacity .45s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  border-color:rgba(214,229,255,.28);
  background:linear-gradient(180deg,rgba(16,26,46,.6),rgba(10,18,34,.4));
  box-shadow:0 16px 36px -22px rgba(0,0,0,1),0 0 30px -14px color-mix(in srgb,var(--accent) 55%,transparent);
}
.card:hover::before,.card:hover::after{opacity:1}
.card:focus-visible{outline:1px solid rgba(190,216,255,.6);outline-offset:2px}

.card-idx{
  position:absolute;top:9px;left:12px;
  font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:rgba(224,236,255,.22);
  transition:color .4s;
}
.card:hover .card-idx{color:rgba(224,236,255,.5)}
.card-arrow{
  position:absolute;top:7px;right:10px;
  font-size:11px;color:var(--accent);opacity:0;transform:translate(-4px,4px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.card:hover .card-arrow{opacity:.95;transform:translate(0,0)}
.card-dot{
  position:absolute;top:11px;left:calc(50% - 2px);
  width:3px;height:3px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px 0 color-mix(in srgb,var(--accent) 80%,transparent);
  opacity:.55;transition:opacity .4s,box-shadow .4s;
}
.card:hover .card-dot{opacity:1;box-shadow:0 0 12px 1px color-mix(in srgb,var(--accent) 90%,transparent)}
.card-name{font-size:12.5px;letter-spacing:.02em;line-height:1.2;color:rgba(240,245,255,.92)}
.card-cat{
  margin-top:4px;
  font-family:var(--mono);font-size:7.5px;letter-spacing:.13em;
  color:rgba(214,228,255,.38);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .4s;
}
.card:hover .card-cat{color:rgba(214,228,255,.62)}

/* ── footer ────────────────────────────────────────────── */
.foot{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex:0 0 auto}
.hints{
  display:flex;align-items:center;flex-wrap:wrap;gap:clamp(10px,1.6vw,22px);
  font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;color:var(--faint);
}
.hints b{font-weight:500;color:rgba(224,236,255,.6)}
.immerse{
  font-family:var(--mono);font-size:8.5px;letter-spacing:.16em;color:var(--faint);
  border:1px solid transparent;border-radius:4px;padding:3px 7px;margin-left:-7px;
  transition:color .3s,border-color .3s,background .3s;
}
.immerse:hover{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.04)}
.hud{
  display:flex;align-items:center;gap:18px;flex:0 0 auto;
  font-family:var(--mono);font-size:8.5px;letter-spacing:.14em;color:var(--faint);
}
.hud b{font-weight:400;color:rgba(224,236,255,.62);font-variant-numeric:tabular-nums}
.hud-live{display:flex;align-items:center;gap:6px}
.hud-live i{
  width:3px;height:3px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 6px 1px rgba(190,216,255,.7);animation:pulse 2.8s ease-in-out infinite;
}

/* ── exit hint / misc ──────────────────────────────────── */
.exit-hint{
  position:fixed;left:50%;bottom:26px;z-index:20;
  transform:translate(-50%,10px);
  padding:8px 16px;border:1px solid var(--line);border-radius:999px;
  background:rgba(8,14,26,.55);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--muted);
  opacity:0;pointer-events:none;transition:opacity .6s var(--ease),transform .6s var(--ease);
}
body.hide-ui .exit-hint{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.exit-hint b{color:var(--accent);font-weight:500}

.no-gl-note{
  position:fixed;left:50%;bottom:14px;z-index:20;transform:translateX(-50%);
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--faint);
  opacity:0;transition:opacity .6s;pointer-events:none;
}
body.no-gl .no-gl-note{opacity:1}
body.no-gl #gl{
  background:
    radial-gradient(120% 80% at 70% 10%,rgba(64,96,180,.22),transparent 55%),
    radial-gradient(70% 60% at 20% 30%,rgba(120,90,190,.12),transparent 60%),
    radial-gradient(60% 40% at 55% 32%,rgba(180,200,255,.1),transparent 70%),
    linear-gradient(180deg,#040814 0%,#061226 52%,#03070e 56%,#02060c 100%);
}

/* ── loader ────────────────────────────────────────────── */
.loader{
  position:fixed;inset:0;z-index:40;display:grid;place-items:center;
  background:#03060c;
  transition:opacity 1s var(--ease),visibility 1s;
}
body.ready .loader{opacity:0;visibility:hidden}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:16px}
.loader-mark{
  width:22px;height:22px;fill:var(--accent);
  filter:drop-shadow(0 0 14px rgba(170,205,255,.6));
  animation:loaderSpin 9s linear infinite;
}
@keyframes loaderSpin{to{transform:rotate(360deg)}}
.loader-name{font-size:9px;font-weight:600;letter-spacing:.52em;text-indent:.52em;color:rgba(236,243,255,.85)}
.loader-line{width:104px;height:1px;background:rgba(255,255,255,.09);overflow:hidden}
.loader-line i{
  display:block;width:38%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(190,216,255,.9),transparent);
  animation:loaderSweep 1.5s var(--ease) infinite;
}
@keyframes loaderSweep{0%{transform:translateX(-120%)}100%{transform:translateX(380%)}}

/* ── entrance ──────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);filter:blur(10px)}
body.ready .reveal{animation:reveal 1.35s var(--ease) forwards;animation-delay:calc(var(--d,0) * 90ms + 120ms)}
@keyframes reveal{to{opacity:1;transform:translateY(0);filter:blur(0)}}

body.ready .card{animation:cardIn 1s var(--ease) both}
body.ready .card:nth-child(1){animation-delay:.72s}
body.ready .card:nth-child(2){animation-delay:.76s}
body.ready .card:nth-child(3){animation-delay:.80s}
body.ready .card:nth-child(4){animation-delay:.84s}
body.ready .card:nth-child(5){animation-delay:.88s}
body.ready .card:nth-child(6){animation-delay:.92s}
body.ready .card:nth-child(7){animation-delay:.96s}
body.ready .card:nth-child(8){animation-delay:1.00s}
body.ready .card:nth-child(9){animation-delay:1.04s}
body.ready .card:nth-child(10){animation-delay:1.08s}
@keyframes cardIn{from{opacity:0;filter:blur(6px)}to{opacity:1;filter:blur(0)}}

/* ── responsive ────────────────────────────────────────── */
@media (max-width:1100px){
  .hero{max-width:700px}
  .grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .hud .hud-live{display:none}
}
@media (max-width:820px){
  .hero{justify-content:flex-end;padding-bottom:2vh;margin-top:0}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .card{min-height:58px}
  .title{font-size:clamp(46px,12vw,72px)}
  .hints span:nth-child(2),.hints span:nth-child(3){display:none}
}
@media (max-height:760px) and (min-width:821px){
  .hero{padding-bottom:0}
  .eyebrow{margin-bottom:12px}
  .title{font-size:clamp(44px,6vw,72px)}
  .lede{margin-top:14px}
  .search{margin-top:18px;height:48px}
  .links{margin-top:18px}
  .card{min-height:56px;padding:9px 11px 8px}
  .card-cat{font-size:7px}
}
@media (max-width:620px){
  .brand-sub,.status-sep,#date{display:none}
  .status{gap:8px}
  .lede{font-size:11px;letter-spacing:.1em}
  .search{height:50px;padding:0 14px 0 16px;border-radius:12px}
  .search-key,.search-sep{display:none}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .card{min-height:52px;padding:9px 11px;justify-content:center}
  .card-idx,.card-dot{display:none}
  .card-cat{margin-top:2px;font-size:7px}
  .card-arrow{opacity:.35;transform:none;top:9px}
  .links-head{margin-bottom:9px}
  .foot{justify-content:center}
  .hud{display:none}
  .hints{justify-content:center;gap:14px}
  .immerse{display:none}
  .title-en{margin-left:0}
}
@media (max-width:380px){
  .grid{grid-template-columns:1fr 1fr}
  .card-name{font-size:11.5px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none;filter:none}
}

/* debug snapshot mode */
body.no-anim *,body.no-anim *::before,body.no-anim *::after{animation:none!important;transition:none!important}
body.no-anim .loader{display:none}
body.no-anim .reveal{opacity:1;transform:none;filter:none}
body.no-anim .card{opacity:1;filter:none}
body.no-anim .ui{transform:none}