/* AstraMai 官网 —— 和 App 里同一套暗色配色，省得看起来像两个产品 */
:root {
  --bg: #070b16;
  --surface: #101827;
  --surface-2: #182236;
  --border: #23304a;
  --text: #e8eefc;
  --dim: #9bacd0;
  --faint: #6b7a99;
  --primary: #4fd6ff;
  --pink: #ff5f9e;
  --good: #3ddc84;
  --warn: #ffb020;

  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC',
    'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--surface-2);
  font-size: 0.92em;
  font-variant-numeric: tabular-nums;
}

/* ── 导航 ──────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 28px;
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
}

.nav__brand:hover {
  text-decoration: none;
}

.nav__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
}

.nav__links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.nav__links a {
  color: var(--dim);
}

.nav__links a:hover {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }
}

/* ── 通用 ──────────────────────────────────────────────────────────── */
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.section {
  padding: 72px 0 24px;
}

.section--fill {
  padding: 72px 0;
}

.section__title {
  margin: 0 0 8px;
  font-size: clamp(24px, 3.6vw, 32px);
  letter-spacing: -0.01em;
}

.section__lead {
  margin: 0 0 32px;
  color: var(--dim);
  font-size: 15px;
}

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 56px;
  text-align: center;
}

.hero__eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__title {
  margin: 0 0 24px;
  font-size: clamp(34px, 6.4vw, 60px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.hero__accent {
  background: linear-gradient(100deg, #4fd6ff, #a06bff 55%, #ff5f9e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin: 0 auto 32px;
  max-width: 620px;
  color: var(--dim);
  font-size: 16px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.hero__note {
  margin: 24px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--faint);
}

.btn--primary {
  border-color: transparent;
  background: var(--primary);
  color: #06121b;
  font-weight: 600;
}

.btn--primary:hover {
  filter: brightness(1.08);
}

/* ── 游戏卡片 ──────────────────────────────────────────────────────── */
.games {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.game {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.game__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-bottom: 14px;
}

.game h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.game ul {
  margin: 0;
  padding-left: 18px;
  color: var(--dim);
  font-size: 14px;
}

.game li {
  margin: 4px 0;
}

/* ── 功能 ──────────────────────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.feature {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.feature--wide {
  grid-column: 1 / -1;
}

.feature__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--faint);
  font-size: 12px;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.feature p {
  margin: 0 0 8px;
  color: var(--dim);
  font-size: 14.5px;
}

.feature__aside {
  color: var(--faint) !important;
  font-size: 13.5px !important;
}

/* ── 安装步骤 ──────────────────────────────────────────────────────── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step {
  display: flex;
  gap: 18px;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.step__num {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: #06121b;
  font-weight: 700;
  font-size: 15px;
  display: grid;
  place-items: center;
}

.step h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.step p {
  margin: 0;
  color: var(--dim);
  font-size: 14.5px;
}

.dl-note {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--faint);
  font-size: 13.5px;
}

/* ── 更新日志 ──────────────────────────────────────────────────────── */
.changelog {
  padding: 28px 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.changelog h2 {
  margin: 32px 0 12px;
  font-size: 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.changelog h2:first-child {
  margin-top: 0;
}

.changelog h3 {
  margin: 26px 0 8px;
  font-size: 17px;
  color: var(--text);
}

.changelog p {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 14.5px;
}

.changelog ul,
.changelog ol {
  margin: 0 0 12px;
  padding-left: 22px;
  color: var(--dim);
  font-size: 14.5px;
}

.changelog li {
  margin: 4px 0;
}

.changelog blockquote {
  margin: 12px 0;
  padding: 10px 16px;
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  background: var(--surface-2);
  color: var(--dim);
  font-size: 14px;
}

.changelog blockquote p {
  margin: 0;
}

.changelog hr {
  margin: 32px 0;
  border: none;
  border-top: 1px solid var(--border);
}

.changelog strong {
  color: var(--text);
}

/* ── 社群 ──────────────────────────────────────────────────────────── */
.community {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.community__card {
  padding: 26px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.community__card h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.community__code {
  margin: 0 0 6px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.community__card ul {
  margin: 0 0 10px;
  padding-left: 20px;
  color: var(--dim);
  font-size: 14.5px;
}

.community__hint {
  margin: 0;
  color: var(--faint);
  font-size: 13px;
}

/* ── FAQ ───────────────────────────────────────────────────────────── */
.faq {
  margin-bottom: 10px;
  padding: 18px 22px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.faq summary {
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
}

.faq summary::marker {
  color: var(--primary);
}

.faq p {
  margin: 12px 0 0;
  color: var(--dim);
  font-size: 14.5px;
}

/* ── 页脚 ──────────────────────────────────────────────────────────── */
.footer {
  padding: 40px 28px 56px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: center;
  color: var(--faint);
  font-size: 13px;
}

.footer__thanks {
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 12.5px;
}

/* ══════════════════════════════════════════════════════════════════════
   多页布局新增的样式
   ══════════════════════════════════════════════════════════════════════ */

/* 导航当前页高亮 */
.nav__links a.active {
  color: var(--text);
  font-weight: 600;
}

.nav__cta {
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: #06121b !important;
  font-weight: 600;
}

.nav__cta:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

/* 内页标题 */
.section--top {
  padding-top: 64px;
}

.page__title {
  margin: 0 0 10px;
  font-size: clamp(28px, 4.4vw, 40px);
  letter-spacing: -0.02em;
}

/* AstroBox 官方徽标 */
.abox {
  display: inline-block;
  line-height: 0;
}

.abox img {
  width: 228px;
  height: 46px;
}

.abox:hover {
  text-decoration: none;
  filter: brightness(1.1);
}

/* 首页的三个数字 */
.glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.glance__item {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.glance__item:hover {
  text-decoration: none;
  border-color: var(--faint);
}

.glance__num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.glance__label {
  font-size: 15px;
  color: var(--text);
}

.glance__sub {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--faint);
}

/* 一段话的版面 */
.pitch {
  max-width: 680px;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.pitch__title {
  margin: 0 0 16px;
  font-size: 22px;
}

.pitch__body {
  margin: 0 0 14px;
  color: var(--dim);
  font-size: 15.5px;
}

.pitch__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 13.5px;
}

/* 游戏卡片的补充说明 */
.game__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 13px;
}

/* 功能列表 */
.feature__list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--dim);
  font-size: 14.5px;
}

.feature__list li {
  margin: 5px 0;
}

/* 提示框 */
.callout {
  margin-top: 32px;
  padding: 24px 28px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.callout--muted {
  background: transparent;
}

.callout h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.callout p {
  margin: 0 0 10px;
  color: var(--dim);
  font-size: 14.5px;
}

.callout ul {
  margin: 0 0 10px;
  padding-left: 20px;
  color: var(--dim);
  font-size: 14.5px;
}

.callout li {
  margin: 6px 0;
}

.callout__hint {
  color: var(--faint) !important;
  font-size: 13px !important;
}

/* 下载页的徽标区 */
.dl-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 36px 24px;
  margin-bottom: 32px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.dl-hero__hint {
  margin: 0;
  color: var(--faint);
  font-size: 13.5px;
  text-align: center;
}

/* 功能卡片里的小标题 */
.feature__sub {
  margin: 20px 0 8px;
  font-size: 15px;
  color: var(--text);
}

.feature ol.feature__list {
  list-style: decimal;
}

.feature ol.feature__list li {
  margin: 6px 0;
}

/* ══════════════════════════════════════════════════════════════════════
   舞立方联调测试页（临时页面，验完可以删）
   ══════════════════════════════════════════════════════════════════════ */

.dc {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dc__panel {
  padding: 24px 28px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.dc__title {
  margin: 0 0 10px;
  font-size: 18px;
}

.dc__hint {
  margin: 0;
  color: var(--faint);
  font-size: 13.5px;
}

.dc__btn {
  margin-top: 14px;
  padding: 12px 24px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: #06121b;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.dc__btn:hover {
  filter: brightness(1.08);
}

.dc__btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.dc__panel--qr {
  text-align: center;
}

.dc__qr {
  display: block;
  width: 260px;
  height: 260px;
  margin: 8px auto 16px;
  border-radius: 12px;
  background: #fff;
  object-fit: contain;
}

.dc__status {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dim);
}

.dc__sub {
  margin: 24px 0 10px;
  font-size: 15px;
  color: var(--text);
}

.dc__kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 20px;
  margin: 0;
  font-size: 14.5px;
}

.dc__kv dt {
  color: var(--faint);
}

.dc__kv dd {
  margin: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.dc__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.dc__table th {
  padding: 8px 10px;
  text-align: left;
  color: var(--faint);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.dc__table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
}

.dc__table td:nth-child(3),
.dc__table td:nth-child(4),
.dc__table td:nth-child(5),
.dc__table td:nth-child(6) {
  text-align: right;
}