/* ============================================================
   乐学堂 · 天文探索 —— 专属样式
   与 geo.css 同构：知识卡 / 想一想 / 速查 / 小诊所 / 打印
   配色换成深空蓝紫主题
   ============================================================ */

/* ---------- 站点横幅 ---------- */
.astro-observe-stage { overflow-x: auto; margin: 12px 0; border-radius: 14px; }
.astro-observe-stage svg { min-width: 560px; }
.astro-observe-stage text { fill: #34384d; font-size: 15px; font-weight: 750; }
.astro-observe-stage:focus-visible { outline: 3px solid #7b67b4; outline-offset: 2px; }
.astro-observe-scroll { display: none; }
.astro-observe-readout { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; font-size: 17px; font-weight: 800; color: #554181; font-variant-numeric: tabular-nums; }
.astro-observe-range { display: grid; gap: 8px; margin: 16px 0; font-size: 15px; font-weight: 700; color: #554181; }
.astro-observe-range input { width: 100%; accent-color: #7b67b4; min-height: 28px; }
.astro-observe-note { padding: 12px 16px; margin: 12px 0; border-left: 4px solid #8b65c9; border-radius: 4px 12px 12px 4px; background: #f0edfa; color: #493569; font-size: 17px; font-weight: 700; line-height: 1.8; }
.astro-observe-controls { padding: 12px; margin: 14px 0; background: #f4f5fc; border-radius: 12px; }
.astro-observe-controls .fig-ctrl { margin: 0; }
.astro-observe-controls p, .astro-observe-model { margin: 8px 0; font-size: 15px; line-height: 1.75; color: #536076; }
.astro-observe-cause, .astro-observe-order { margin: 12px 0; font-size: 16px; line-height: 1.8; color: #4d4269; font-weight: 750; }
.astro-observation .fig-btn { min-height: 40px; font-size: 15px; }
.astro-observation .fig-btn:disabled { opacity: .5; transform: none; cursor: default; }
.astro-observation [hidden] { display: none; }
.astro-observe-source { font-size: 14px; line-height: 1.8; color: #536076; }
.astro-observe-source summary { cursor: pointer; }
.astro-observe-source a { display: block; padding: 4px 0; }
.fig:has(.astro-observation):hover, .fig:has(.astro-observation):hover .fig-svg { transform: none; }
[data-eclipse-moon] { transition: transform .3s ease; }
@media (max-width: 700px) { .astro-observe-scroll { display: block; font-size: 14px; color: #536076; line-height: 1.6; } }
@media (prefers-reduced-motion: reduce) { [data-eclipse-moon] { transition: none; } }
@media print { .astro-observe-controls, .astro-observe-source, .astro-observe-range, .astro-observation .fig-ctrl { display: none; } }

.textbook-banner {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin: 0 0 16px; padding: 12px 16px;
  background: linear-gradient(135deg, #e9ecfb, #f1eefa);
  border: 1px solid #d5dbf2; border-radius: 14px;
  color: #47539a; font-size: 14px; font-weight: 700;
}
.textbook-banner strong { font-size: 16px; }

/* ---------- 站点导语 ---------- */
.goal-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.goal-tags span {
  background: color-mix(in srgb, var(--c) 12%, white);
  border: 1px solid color-mix(in srgb, var(--c) 30%, white);
  color: #4a4f63; border-radius: 999px; padding: 3px 10px;
  font-size: 12.5px; font-weight: 700;
}

/* ---------- 单元头 · 实景照片横幅 ---------- */
.study-page[data-subject="astro"] .unit-head.has-photo {
  position: relative; overflow: hidden;
  background-size: cover; background-position: center;
  border-left: none; border-block: none; border-right: none;
}
.study-page[data-subject="astro"] .unit-head.has-photo::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(102deg, rgba(24, 27, 46, .86) 0%, rgba(24, 27, 46, .58) 48%, rgba(24, 27, 46, .28) 100%);
}
.study-page[data-subject="astro"] .unit-head.has-photo::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--c); z-index: 2;
}
.study-page[data-subject="astro"] .unit-head.has-photo > * { position: relative; z-index: 1; }
.study-page[data-subject="astro"] .unit-head.has-photo .unit-emoji { filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .4)); }
.study-page[data-subject="astro"] .unit-head.has-photo h1 { color: #fff; text-shadow: 0 2px 14px rgba(0, 0, 0, .45); }
.study-page[data-subject="astro"] .unit-head.has-photo p { color: rgba(255, 255, 255, .93); text-shadow: 0 1px 8px rgba(0, 0, 0, .35); }
.study-page[data-subject="astro"] .unit-head.has-photo .goal-tags span {
  background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .34);
  color: #fff; backdrop-filter: blur(3px);
}

/* ---------- 知识点卡 · 「宇宙真面目」实景照片 ---------- */
.k-overview.has-photo { display: flex; align-items: center; gap: 13px; }
.k-overview .ov-photo {
  flex: 0 0 auto; width: 72px; height: 72px; border-radius: 14px;
  object-fit: cover; border: 2px solid #fff;
  box-shadow: 0 3px 10px rgba(30, 38, 60, .18);
}
.k-overview .ov-txt { flex: 1; min-width: 0; }
.k-overview .ov-main { font-size: 15.5px; line-height: 1.72; color: #45495e; font-weight: 600; }
.k-overview .ov-life {
  margin-top: 5px; font-size: 12.5px; line-height: 1.6;
  color: #6a71a0; font-weight: 700;
}

/* ---------- 知识点卡 ---------- */
.kcard {
  --c: #6b7fb3;
  position: relative;
  background: var(--card); border-radius: 18px; padding: 18px 18px 16px;
  border: 1px solid var(--line); border-top: 4px solid var(--c);
  box-shadow: 0 4px 16px rgba(40, 54, 85, .035); overflow-wrap: anywhere;
  margin-bottom: 20px;
}
.kcard.learned { background: #f4fcf7; }
.khead { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding-right: 40px; }
.ktitle { font-size: 21px; font-weight: 900; }
.khead-gap { flex: 1; }
.kcard .say { width: 32px; height: 32px; }
.learn-btn {
  position: absolute; top: 12px; right: 12px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid #e5decd; background: #faf7f0;
  font-size: 17px; font-weight: 900; color: #fff; line-height: 1;
}
.learn-btn.on { background: #2fbf71; border-color: #2fbf71; }
.k-overview { margin-top: 12px; font-size: 15.5px; line-height: 1.75; color: #4a4f63; }

/* ---------- 小节 ---------- */
.ksec { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; }
.ksec > :last-child { min-width: 0; flex: 1; }
.seclabel {
  flex: 0 0 26px; height: 26px; margin-top: 2px;
  background: #e4e8f5; color: #5d6480; border-radius: 8px;
  font-size: 13px; font-weight: 900; display: grid; place-items: center;
}
.klist { list-style: none; display: grid; gap: 5px; }
.kli {
  display: block; width: 100%; text-align: left;
  border: none; background: none; padding: 2px 0;
  font-size: 14.5px; line-height: 1.7; color: #4a4f63; font-weight: 600;
}
.kli:hover { color: #47539a; }
.klist.mis .kli { color: #7a5327; }

/* ---------- 想一想 ---------- */
.mex { display: grid; gap: 6px; }
.mex-q, .mex-steps, .mex-a {
  display: block; width: 100%; text-align: left; border: none;
  padding: 8px 12px; border-radius: 12px;
  font-size: 14.5px; line-height: 1.7; font-weight: 600;
}
.mex-q { background: #edf1fb; color: #47539a; }
.mex-steps { background: #f8f9fc; color: #5a5570; }
.mex-a { background: #e9f9f0; color: #187749; font-weight: 800; }

.krecite {
  margin-top: 12px; background: #fdf6e9; border-radius: 12px;
  padding: 9px 12px; font-size: 14px; font-weight: 800; color: #7a5b18;
}

/* ---------- 宇宙数据速查 ---------- */
.formula-card {
  --c: #b5893a;
  background: var(--card); border-radius: 18px; padding: 16px 18px;
  border: 1px solid var(--line); border-left: 5px solid var(--c);
  margin-bottom: 16px; box-shadow: 0 4px 16px rgba(40, 54, 85, .035); overflow-wrap: anywhere;
}
.phead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.phead h3 { font-size: 17px; font-weight: 900; }
.frows { display: grid; gap: 6px; margin-top: 10px; }
.frow {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  border: 1.5px solid var(--line); background: #fafbfe;
  border-radius: 10px; padding: 7px 12px; text-align: left;
}
.frow:active { transform: scale(.98); }
.frow b { font-size: 15px; font-weight: 900; color: #7a5b18; }
.frow span { font-size: 15px; font-weight: 700; color: #4a4f63; font-variant-numeric: tabular-nums; }
.pnote {
  margin-top: 10px; background: #f7f3e8; border-radius: 12px;
  padding: 9px 12px; font-size: 13.5px; line-height: 1.7; color: #6d6350; font-weight: 600;
}

/* ---------- 天文小诊所 ---------- */
.mistake-card {
  --c: #c2557d;
  position: relative;
  display: grid; gap: 8px;
  background: var(--card); border-radius: 18px; padding: 20px 16px 14px;
  border: 1px solid var(--line); border-top: 4px solid var(--c);
  box-shadow: 0 4px 16px rgba(40, 54, 85, .035); overflow-wrap: anywhere;
}
.unit-tag {
  position: absolute; top: -12px; left: 14px;
  color: #fff; font-size: 12px; font-weight: 800;
  border-radius: 999px; padding: 3px 12px; box-shadow: 0 2px 6px rgba(0, 0, 0, .18);
}
.mist-row {
  display: flex; align-items: flex-start; gap: 8px;
  border: none; background: none; text-align: left;
  font-size: 14.5px; line-height: 1.7; font-weight: 600; padding: 2px 4px;
}
.mist-mark { flex-shrink: 0; }
.wrong-row-text { color: #a4453f; text-decoration: line-through; text-decoration-color: #e4b6b2; text-decoration-thickness: 2px; }
.right-row-text { color: #187749; font-weight: 700; }

/* ============================================================
   动画与装饰：入场、悬浮、星光闪烁、太阳脉动、行星旋转
   ============================================================ */

/* ---------- 关键帧 ---------- */
@keyframes af-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes af-twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.15); }
}
@keyframes af-sun-pulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(246, 185, 59, 0.5)); }
  50% { filter: drop-shadow(0 0 18px rgba(246, 185, 59, 0.85)); }
}
@keyframes af-orbit {
  from { transform: rotate(0deg) translateX(0) rotate(0deg); }
  to { transform: rotate(360deg) translateX(0) rotate(-360deg); }
}
@keyframes af-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes af-spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes af-shimmer {
  0% { opacity: 0.4; }
  50% { opacity: 0.9; }
  100% { opacity: 0.4; }
}

/* ---------- 图示入场动画（仅屏幕） ---------- */
@media screen {
  .fig {
    animation: af-fade-up 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
  .fig:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(40, 54, 85, 0.12);
  }
  .fig, .fig * {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  /* 太阳脉动 */
  .fig[data-fig="astro-sun-facts"] svg circle:first-of-type,
  .fig[data-fig="astro-asteroid-belt"] svg circle:first-child {
    animation: af-sun-pulse 3s ease-in-out infinite;
    transform-origin: center;
  }
  /* 星光闪烁：所有星星小点 */
  .fig-svg circle[fill="#c9c2f2"],
  .fig-svg circle[fill="#c9c2f2"] {
    animation: af-twinkle 2.4s ease-in-out infinite;
  }
  /* 行星小点悬浮 */
  .planet-dot {
    cursor: pointer;
    transition: r 0.3s ease, stroke-width 0.3s ease;
  }
  .planet-dot:hover {
    filter: drop-shadow(0 0 6px rgba(40, 54, 85, 0.4));
  }
  /* 空间站悬浮 */
  .fig[data-fig="astro-space-station"] svg {
    animation: af-float 5s ease-in-out infinite;
  }
  /* 北斗连线高亮 */
  .fig[data-fig="astro-constellations"] svg line {
    transition: stroke-width 0.3s ease;
  }
}

/* ---------- 背景星空装饰 ---------- */
@media screen {
  .study-page[data-subject="astro"] .study-content {
    position: relative;
  }
  .astro-starfield {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
  }
  .astro-starfield::before,
  .astro-starfield::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(1.5px 1.5px at 10% 20%, rgba(155, 145, 200, 0.8), transparent),
      radial-gradient(1px 1px at 25% 60%, rgba(155, 145, 200, 0.6), transparent),
      radial-gradient(1.8px 1.8px at 45% 15%, rgba(155, 145, 200, 0.7), transparent),
      radial-gradient(1px 1px at 60% 75%, rgba(155, 145, 200, 0.5), transparent),
      radial-gradient(1.5px 1.5px at 75% 35%, rgba(155, 145, 200, 0.7), transparent),
      radial-gradient(1px 1px at 88% 55%, rgba(155, 145, 200, 0.6), transparent),
      radial-gradient(1.4px 1.4px at 35% 85%, rgba(155, 145, 200, 0.5), transparent),
      radial-gradient(1px 1px at 92% 10%, rgba(155, 145, 200, 0.6), transparent);
    animation: af-twinkle 4s ease-in-out infinite;
  }
  .astro-starfield::after {
    animation-delay: 2s;
    opacity: 0.6;
  }
  #app { position: relative; z-index: 1; }
}

/* ---------- 打印 ---------- */
@media print {
  .study-course .study-page { background: #fff; font-size: 13px; }
  #app > header, .sidebar, .toolbar, .textbook-banner, .skip-link,
  .say, .learn-btn, .goal-tags, .astro-starfield { display: none !important; }
  .study-shell { display: block; padding: 0; }
  .study-content { padding: 0; }
  .unit-head { border: 1px solid #ccc; box-shadow: none; }
  .study-page[data-subject="astro"] .unit-head.has-photo { background-image: none !important; background: #fff; }
  .study-page[data-subject="astro"] .unit-head.has-photo::before,
  .study-page[data-subject="astro"] .unit-head.has-photo::after { display: none !important; }
  .study-page[data-subject="astro"] .unit-head.has-photo h1,
  .study-page[data-subject="astro"] .unit-head.has-photo p { color: #1c1f2a; text-shadow: none; }
  .study-page[data-subject="astro"] .unit-head.has-photo .goal-tags span { background: #fff; border-color: #ccc; color: #333; }
  .ov-photo { display: none !important; }
  .kcard, .formula-card, .mistake-card { box-shadow: none; break-inside: avoid; page-break-inside: avoid; }
  .wgrid { grid-template-columns: 1fr; display: block; }
  .kcard, .mistake-card { margin-bottom: 12px; }
}

/* 宇宙漫游：保持平台阅读主题，在影像和模型里使用深色观察背景。 */
.astro-roam { font-size: 18px; line-height: 1.8; color: var(--ink); }
.astro-roam *, .roam-search { box-sizing: border-box; min-width: 0; }
.astro-roam :is(h1,h2,h3,p,figure,dl) { margin: 0; }
.astro-roam h2 { font-size: 28px; line-height: 1.4; margin-bottom: 12px; }
.astro-roam h3 { font-size: 22px; line-height: 1.5; }
.astro-roam p { max-width: 72ch; }
.astro-roam a { text-underline-offset: 4px; }
.astro-roam :is(a,button,summary):focus-visible, .roam-course-link a:focus-visible { outline: 3px solid var(--course-action); outline-offset: 4px; }
.roam-hero { position: relative; isolation: isolate; display: grid; align-items: center; min-height: 430px; padding: clamp(22px, 4vw, 64px); overflow: hidden; border-radius: 16px; background: #111c38; color: #fff; }
.roam-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.roam-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,16,40,.95), rgba(6,16,40,.77) 45%, rgba(6,16,40,.1)); z-index: -1; }
.roam-hero h1 { font-size: clamp(30px, 3.5vw, 54px); line-height: 1.35; letter-spacing: -.02em; margin: 10px 0 18px; color: #fff; }
.roam-hero p { color: #fff; max-width: 36ch; }
.roam-hero .roam-intro-tag { color: #cce9ff; font-size: 18px; font-weight: 700; }
.roam-hero nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.roam-hero nav a { min-height: 44px; padding: 6px 16px; color: #fff; border: 1px solid #b0c5e5; border-radius: 8px; text-decoration: none; font-weight: 700; background: #193353; }
.roam-hero nav a:hover { background: #2b4c75; }
.astro-roam .roam-local-note { margin: 16px 0 40px; color: var(--muted); font-size: 16px; }
.roam-chapter { margin-block: 56px; scroll-margin-top: 30px; }
.roam-chapter > header { padding-block: 22px; border-top: 2px solid var(--line); }
.astro-roam .roam-scale { display: inline-block; margin-top: 16px; padding: 8px 14px; background: var(--card-tint); color: var(--ink); border-radius: 8px; font-weight: 700; }
.roam-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.roam-photo > a { display: block; position: relative; background: #0b152b; border-radius: 12px; overflow: hidden; }
.roam-photo img { display: block; width: 100%; height: clamp(250px, 24vw, 600px); object-fit: contain; }
.roam-photo > a > span { position: absolute; right: 12px; bottom: 12px; padding: 4px 10px; border-radius: 6px; background: #132641; color: #fff; font-size: 15px; }
.roam-photo a:hover img { filter: brightness(1.12); }
.roam-photo figcaption { padding-block: 16px; }
.roam-kind { display: inline-block; font-size: 14px; font-weight: 750; color: var(--course-action); background: var(--soft); padding: 2px 8px; border-radius: 5px; margin-bottom: 6px; }
.astro-roam small { display: block; color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 8px; overflow-wrap: anywhere; }
.roam-photo p, .roam-cinema p { margin-block: 8px; }
.roam-cinema { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr); gap: 28px; align-items: center; padding-block: 28px; }
.roam-cinema video { display: block; width: 100%; max-height: 680px; aspect-ratio: 16/9; background: #0b152b; border-radius: 12px; }
.roam-cinema-copy { max-width: 65ch; }
.roam-question { padding: 18px 22px; background: var(--card-tint); border-radius: 12px; margin-block: 16px 24px; }
.roam-question summary { cursor: pointer; font-weight: 750; }
.roam-question p { padding-top: 12px; }
.roam-links h3 small { display: inline; margin-left: 10px; font-weight: 500; }
.roam-links ul { display: flex; flex-wrap: wrap; gap: 12px 36px; list-style: none; padding: 0; margin: 14px 0 18px; }
.roam-links li { flex: 1 1 300px; max-width: 65ch; }
.roam-links li > a { font-weight: 750; }
.roam-links li > p { font-size: 16px; color: var(--muted); }
.roam-lab { padding: clamp(16px, 2.5vw, 30px); border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.roam-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.roam-controls button, .roam-planet-picker button { min-height: 44px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); padding: 6px 14px; font: inherit; cursor: pointer; }
.roam-controls button[aria-pressed="true"] { color: #fff; border-color: #365394; background: #365394; }
.roam-controls button:hover, .roam-planet-picker button:hover { background: var(--soft); color: var(--ink); }
.roam-controls [data-roam-play] { margin-left: auto; color: var(--course-action); font-weight: 750; }
.roam-time-controls { flex-basis: 100%; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px; border-radius: 10px; background: var(--soft); }
.roam-time-controls[hidden] { display: none; }
.roam-time-controls select { padding: 8px; background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.roam-time-controls p { flex-basis: 100%; margin: 0; font-size: 17px; }
.roam-time-controls output { font-weight: 750; font-variant-numeric: tabular-nums; }
.roam-time-controls .roam-motion-note { font-size: 15px; color: var(--muted); }
.roam-controls button:disabled { opacity: .55; cursor: default; }
.astro-roam .roam-model-note { margin: 12px 0; font-size: 16px; min-height: 3.5em; }
.roam-solar-stage { background: #101c32; border-radius: 12px; overflow: hidden; }
.roam-solar-stage svg { display: block; width: 100%; max-height: 620px; }
.roam-solar-stage text { font-family: inherit; font-size: 21px; }
.roam-planet-picker { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 18px; }
.roam-planet-picker button::before { content: ''; display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--planet); margin-right: 6px; }
.roam-planet-picker button[aria-pressed="true"] { outline: 2px solid var(--course-action); outline-offset: 1px; font-weight: 800; }
.roam-planet-info { background: var(--soft); padding: 18px; border-radius: 8px; }
.roam-planet-info dl { display: flex; flex-wrap: wrap; gap: 12px 36px; margin-block: 12px; }
.roam-planet-info dt { color: var(--muted); font-size: 15px; }
.roam-planet-info dd { margin: 0; font-size: 20px; font-weight: 750; }
.astro-roam .roam-data-source { font-size: 14px; color: var(--muted); margin-top: 16px; }
.roam-course-link, .roam-search { padding: 16px; margin-bottom: 20px; border-radius: 10px; background: var(--card-tint); color: var(--ink); font-size: 18px; }
.roam-search a { display: block; padding-block: 8px; }
.roam-video-error { color: var(--ink); background: var(--soft); padding: 12px; font-size: 16px; }
@media (max-width: 1150px) {
  .roam-cinema { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 650px) {
  .astro-roam { font-size: 17px; }
  .astro-roam h2 { font-size: 25px; }
  .roam-gallery { grid-template-columns: 1fr; gap: 16px; }
  .roam-hero { min-height: 380px; }
  .roam-chapter { margin-block: 36px; }
  .roam-controls [data-roam-play] { margin-left: 0; }
  .roam-solar-stage svg { min-width: 600px; }
  .roam-solar-stage { overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .study-page[data-subject="astro"] *, .study-page[data-subject="astro"] *::before, .study-page[data-subject="astro"] *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .roam-hero { min-height: auto; background: #fff; color: #111; padding: 0; }
  .roam-hero :is(h1,p) { color: #111; }
  .roam-hero::before, .roam-hero > img, .roam-controls, .roam-planet-picker, .roam-cinema video, .roam-hero nav { display: none; }
  .roam-gallery, .roam-cinema { display: block; }
  .roam-photo { break-inside: avoid; }
  .roam-photo img { height: 230px; }
  .roam-chapter { margin-block: 22px; }
}