/* 探索页的星图（夜间风格 D 轮）：照 design\夜间风格样品\夜读样品.html 的探索页。颜色全用 style.css 的变量（A 轮）。 */
.sky-block { max-width:560px; }
.sky-head { display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
.sky-head h1 { margin:0; font-size:28px; font-weight:700; letter-spacing:-.4px; }
.sky-head small { font-size:12.5px; color:var(--fg2); font-variant-numeric:tabular-nums; text-align:right; }
.sky-stage { position:relative; margin:6px -20px 0; }
.sky-stage svg { display:block; width:100%; max-width:460px; height:auto; margin:0 auto; overflow:visible; touch-action:manipulation; -webkit-user-select:none; user-select:none; }
.sky-stage svg:focus { outline:none; }

/* 背景星点：慢慢闪；减弱动画时不闪 */
.sky-dust circle { fill:var(--fg); opacity:var(--o); animation:sky-tw var(--d) ease-in-out infinite; }
@keyframes sky-tw { 0%,100% { opacity:var(--o); } 50% { opacity:calc(var(--o) * .25); } }
@media (prefers-reduced-motion: reduce) { .sky-dust circle { animation:none; } }
.sky-dark .sky-dust circle { opacity:calc(var(--o) * .6); }

/* 线：视频里是很淡的点线；连到选中那颗的亮一点、带上它的颜色，别的更淡 */
.sky-edge { fill:none; stroke:var(--fg2); stroke-width:1.1; stroke-linecap:round; stroke-dasharray:.1 3.6; opacity:.45;
  transition:opacity .4s cubic-bezier(.22,1,.36,1),stroke .4s cubic-bezier(.22,1,.36,1); }
.sky-edge.hot { opacity:.9; stroke:var(--a3); }
.sky-edge.dim { opacity:.16; }
/* 选中的星往下连到卡片的细线 */
.sky-drop { stroke:var(--star); stroke-width:1; stroke-dasharray:1; stroke-dashoffset:1; opacity:0; pointer-events:none; }
.sky-drop.on { stroke-dashoffset:0; opacity:.4; }
.sky-cf { --star:var(--fg3); }

.sky-hit { fill:transparent; stroke:none; }
/* 星的名字描一圈底色：线从字后面穿过时不压字（地图上标地名那样） */
.sky-int text, .sky-maj text { paint-order:stroke; stroke:var(--bg); stroke-width:3px; stroke-linejoin:round; }
.sky-int, .sky-maj { cursor:pointer; outline:none; -webkit-tap-highlight-color:transparent; }
.sky-int:focus-visible .sky-hit, .sky-maj:focus-visible .sky-hit { stroke:var(--a2); stroke-width:1.5; }

/* 小星：变淡只换字的颜色（--fg3 仍有 3:1），不整颗调透明 */
.sky-dot { fill:var(--fg2); transition:fill .4s cubic-bezier(.22,1,.36,1),opacity .4s cubic-bezier(.22,1,.36,1); }
.sky-int text { font:11.5px var(--font); fill:var(--fg2); transition:fill .4s cubic-bezier(.22,1,.36,1); }
.sky-int.hot .sky-dot, .sky-int.hot text { fill:var(--fg); }
.sky-int.dim .sky-dot { opacity:.4; }
.sky-int.dim text { fill:var(--fg3); }

/* 亮星：第 1 个青，其余紫；深色里白芯带光，浅色里芯就是那个颜色 */
.sky-c3 { --star:var(--a3); }
.sky-c1 { --star:var(--a1); }
.sky-maj { --core:var(--fg); }
:root[data-theme="light"] .sky-maj { --core:var(--star); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .sky-maj { --core:var(--star); } }
radialGradient stop { stop-color:var(--star); }
.sky-glow { opacity:.75; transition:opacity .4s cubic-bezier(.22,1,.36,1); }
.sky-core { fill:var(--core); transition:opacity .4s cubic-bezier(.22,1,.36,1); }
:root:not([data-theme="light"]) .sky-maj .sky-core { filter:drop-shadow(0 0 3px var(--star)); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .sky-maj .sky-core { filter:none; } }
.sky-maj text { font:600 12.5px var(--font); fill:var(--fg); transition:fill .4s cubic-bezier(.22,1,.36,1); }
.sky-maj.dim .sky-glow { opacity:.3; }
.sky-maj.dim .sky-core { opacity:.5; }
.sky-maj.dim text { fill:var(--fg2); }
/* 选中：外面一个圈从左边绕一圈画出来，圈里淡淡一层它的颜色 */
.sky-ring { fill:var(--star); fill-opacity:0; stroke:var(--star); stroke-width:1.3; stroke-dasharray:1; stroke-dashoffset:1; opacity:0;
  transform:rotate(-200deg); transform-box:fill-box; transform-origin:center; pointer-events:none;
  transition:stroke-dashoffset .6s cubic-bezier(.32,.72,0,1),opacity .3s cubic-bezier(.22,1,.36,1),fill-opacity .5s cubic-bezier(.22,1,.36,1); }
.sky-maj.on .sky-ring { opacity:1; stroke-dashoffset:0; fill-opacity:.16; }

/* 还没亮：星图全暗，中间一句话和“开始” */
.sky-empty { position:absolute; inset:0; display:grid; place-content:center; justify-items:center; gap:14px; padding:0 32px; text-align:center; }
.sky-empty p { margin:0; font-size:15px; line-height:1.6; color:var(--fg2); max-width:17em; text-wrap:balance; word-break:keep-all; overflow-wrap:break-word; }  /* 只在标点和空格处换行，不把“测评”拆到两行 */
.sky-go { display:inline-flex; align-items:center; justify-content:center; min-height:44px; min-width:88px; padding:0 22px; border-radius:22px;
  background:var(--btn) var(--button-shade); background-blend-mode:multiply; color:var(--on-accent); font-size:15px; font-weight:600; box-shadow:0 8px 20px -8px var(--a2); }

/* 下面的卡片：换内容时旧的淡出、新的淡入，高度由 Smooth.resize 一帧帧补 */
.sky-card { position:relative; margin-top:4px; padding:16px 18px 14px; border-radius:20px; background:var(--card); box-shadow:inset 0 0 0 1px var(--line); overflow:hidden; }
.sky-card h3 { margin:0; font-size:17px; font-weight:700; }
.sky-card p { margin:5px 0 0; font-size:13.5px; line-height:1.6; color:var(--fg2); }
.sky-chips { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.sky-chip { min-height:44px; padding:0 14px; border-radius:22px; font-size:13.5px; background:var(--card2); box-shadow:inset 0 0 0 1px var(--line); color:var(--fg);
  transition:background-color .3s cubic-bezier(.22,1,.36,1),color .3s cubic-bezier(.22,1,.36,1),box-shadow .3s cubic-bezier(.22,1,.36,1); }
.sky-chip[aria-pressed="true"] { background:var(--fg); color:var(--bg); }
.sky-more { display:grid; grid-template-rows:0fr; transition:grid-template-rows .42s cubic-bezier(.32,.72,0,1); }
.sky-more.open { grid-template-rows:1fr; }
.sky-more > div { overflow:hidden; min-height:0; }
.sky-more p { padding-top:10px; color:var(--fg); }
.sky-all { display:inline-flex; align-items:center; min-height:44px; margin-top:2px; font-size:13.5px; font-weight:600; color:var(--accent-ink); }
.sky-more:not(.open) .sky-all { visibility:hidden; transition:visibility 0s .42s; }

/* 兴趣测评还差几题（#exfind）、专业库入口 */
#explore #exfind.sky-quiz { display:grid; grid-template-columns:1fr auto; gap:12px 10px; align-items:center; margin-top:22px; background:transparent; }
.sky-quiz b { display:block; font-size:15.5px; }
.sky-quiz span { display:block; font-size:12.5px; color:var(--fg2); margin-top:2px; }
.sky-quiz .sky-go { min-width:0; padding:0 18px; font-size:14px; }
.sky-prog { grid-column:1 / -1; display:grid; grid-template-columns:repeat(36,1fr); gap:2px; }
.sky-prog i { height:4px; border-radius:2px; background:var(--tick-off); transition:background-color .4s cubic-bezier(.22,1,.36,1); }
.sky-prog i.on { background:var(--a3); }
.sky-quiz .sky-again { grid-column:1 / -1; display:flex; flex-wrap:wrap; align-items:center; gap:0 16px; font-size:12.5px; color:var(--fg2); }
.sky-quiz .sky-again .link { min-height:44px; font-size:13px; }
#explore #exfind.sky-quiz.sky-done { display:flex; flex-wrap:wrap; gap:0 18px; margin-top:6px; }
.sky-lib { display:flex; align-items:center; gap:14px; width:100%; margin-top:20px; padding:14px 2px; border-top:1px solid var(--line); text-align:left; min-height:44px; }
.sky-lib strong { font:800 34px/1 "KV Digits",var(--num); letter-spacing:-.02em; font-variant-numeric:tabular-nums;
  background:var(--numfill); -webkit-background-clip:text; background-clip:text; color:transparent; padding-right:.06em; }
.sky-lib span { flex:1; min-width:0; font-size:12.5px; color:var(--fg2); }
.sky-lib b { display:block; font-size:15px; font-weight:600; color:var(--fg); }
.sky-lib svg { width:20px; height:20px; color:var(--fg3); flex:none; }
.ex-lib-head { margin-top:8px; }
.ex-lib-head h2 { margin:0; font-size:20px; font-weight:700; }
.ex-lib-head .sub { margin:4px 0 0; font-size:13.5px; color:var(--fg2); }
@media (hover:hover) { .sky-chip:hover { box-shadow:inset 0 0 0 1px var(--fg3); } .sky-lib:hover svg { color:var(--fg2); } }
@media (min-width:761px) { .sky-stage { margin-inline:0; } }

/* 专业库里有什么（整体布局和图表）：每个方向一行横条，整行能点；颜色和首页的图一样只用紫 → 青 */
.ex-map { margin-top:28px; }
.ex-map-head h2 { margin:0; font-size:19px; font-weight:700; }
.ex-map-head p { margin:4px 0 8px; color:var(--fg2); }
.ex-map-rows { display:grid; padding:6px 14px; border-radius:20px; background:var(--card2); box-shadow:inset 0 0 0 1px var(--line); }
.ex-map-row { display:grid; grid-template-columns:4.6em 1fr 2.4em; align-items:center; gap:10px; min-height:44px; padding:0 4px; margin:0 -4px; border-radius:10px; text-align:left; }
.ex-map-label { font-size:13.5px; color:var(--fg); white-space:nowrap; }
.ex-map-row b { justify-self:end; font-size:13px; font-weight:600; color:var(--fg2); font-variant-numeric:tabular-nums; }
.ex-map-track { position:relative; display:block; height:8px; border-radius:4px; background:color-mix(in srgb,var(--tick-off) 60%,transparent); overflow:hidden; }
.ex-map-fill { position:absolute; left:0; top:0; bottom:0; width:0; border-radius:inherit; background:linear-gradient(90deg,var(--a1),var(--a2) 60%,var(--a3)); transition:width .9s cubic-bezier(.32,.72,0,1); }
@media(hover:hover) { .ex-map-row:hover { background:var(--line); } }
.ex-map-row[aria-pressed="true"] { background:var(--line); }
.ex-map-row[aria-pressed="true"] .ex-map-label { font-weight:600; }