/* ============ 主题: 默认白色, [data-theme="dark"] 暗色 ============ */
:root {
  /* Base 色调: 主色 Base 蓝 #0052ff, 近黑文字, 冷白底 */
  --bg: #f8f9fb;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --border: #e4e7ec;
  --border-strong: #cdd2da;
  --text: #0a0b0d;
  --text-2: #4a5160;
  --text-3: #8a919e;
  --brand: #0052ff; /* 文字 / 图标 / 线条用的主色 */
  --brand-2: #3c8aff; /* 渐变的第二色 (浅一点的蓝) */
  --brand-soft: rgba(0, 82, 255, 0.08);
  --brand-fill: #0052ff; /* 实心按钮 / 标签的底色 */
  --brand-fill-hover: #0045d8;
  --on-brand: #ffffff;
  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, 0.1);
  --dev: #0052ff;
  --dev-soft: rgba(0, 82, 255, 0.1);
  --plan: #b45309;
  --plan-soft: rgba(217, 119, 6, 0.12);
  --explore: #6b7280;
  --explore-soft: rgba(107, 114, 128, 0.12);
  --danger: #dc2626;
  --glow-1: rgba(0, 82, 255, 0.14);
  --glow-2: rgba(60, 138, 255, 0.12);
  --grid-line: rgba(10, 11, 13, 0.05);
  --shadow: 0 1px 2px rgba(10, 11, 13, 0.04), 0 18px 40px rgba(10, 11, 13, 0.08);
  --radius: 20px;
  --radius-sm: 12px;
  color-scheme: light;
}

[data-theme='dark'] {
  --bg: #0a0b0d;
  --surface: #121418;
  --surface-2: #191c21;
  --border: #23272e;
  --border-strong: #343a44;
  --text: #f3f5f8;
  --text-2: #a7aebb;
  --text-3: #6d7482;
  --brand: #4a8bff; /* 深色底上的蓝要亮一点, 小字才看得清 */
  --brand-2: #8ab4ff;
  --brand-soft: rgba(74, 139, 255, 0.14);
  --brand-fill: #0052ff; /* 按钮仍用标准 Base 蓝, 配白字 */
  --brand-fill-hover: #1f66ff;
  --on-brand: #ffffff;
  --ok: #34d399;
  --ok-soft: rgba(52, 211, 153, 0.12);
  --dev: #8ab4ff;
  --dev-soft: rgba(74, 139, 255, 0.16);
  --plan: #fbbf24;
  --plan-soft: rgba(251, 191, 36, 0.12);
  --explore: #9ca3af;
  --explore-soft: rgba(156, 163, 175, 0.14);
  --danger: #f87171;
  --glow-1: rgba(0, 82, 255, 0.26);
  --glow-2: rgba(74, 139, 255, 0.14);
  --grid-line: rgba(255, 255, 255, 0.045);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 18px 40px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}
html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
body {
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'Noto Sans', Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p {
  margin: 0;
}
/* 多语言下标题折行更均匀, 避免最后一行只剩一个词 */
h1,
h2,
h3 {
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
.mono,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 顶栏 ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(1.5) blur(14px);
  transition: border-color 0.2s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}
.brand {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 4px;
}
.nav-links a {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-2);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--text);
  background: var(--surface-2);
}
/* 放不下时由 app.js 加上: 先收紧, 再收进 ☰ 菜单 */
.nav.nav-tight .nav-links a {
  padding: 8px 8px;
  font-size: 13.5px;
}
.nav.nav-folded .nav-links {
  display: none;
}
/* ☰ 菜单: 手机上, 或宽屏但导航放不下时 (app.js 加 menu-mode); 点开后导航变成顶栏下面的下拉列表 */
.nav .menu-btn,
.nav .menu-btn .ico-close,
.nav.open .menu-btn .ico-menu {
  display: none;
}
.nav.menu-mode .menu-btn {
  display: inline-flex;
}
.nav.open .menu-btn .ico-close {
  display: block;
}
.nav.menu-mode .nav-links {
  display: none;
}
.nav.menu-mode.open .nav-links {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  gap: 2px;
  padding: 8px 16px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 30px rgba(10, 11, 13, 0.1);
}
.nav.menu-mode.open .nav-links a {
  padding: 12px 14px;
  font-size: 15.5px;
  border-radius: 12px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.icon-btn,
.lang-picker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  min-width: 38px;
  padding: 0 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.icon-btn:hover,
.lang-picker:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.lang-picker {
  position: relative;
}
.lang-picker:focus-within {
  border-color: var(--brand);
}
/* 外观是按钮, 点开是原生下拉 (手机上是系统选择器) */
.lang-picker select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  border: 0;
  font-size: 16px;
  cursor: pointer;
}
.ico-sun {
  display: none;
}
[data-theme='dark'] .ico-sun {
  display: block;
}
[data-theme='dark'] .ico-moon {
  display: none;
}

/* ============ 按钮 / 标签 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
button.btn {
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-primary {
  background: var(--brand-fill);
  color: var(--on-brand);
  box-shadow: 0 8px 24px var(--glow-1);
}
.btn-primary:hover:not(:disabled) {
  background: var(--brand-fill-hover);
}
.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--border-strong);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}
.pill i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.pill[data-status='dev'] {
  color: var(--dev);
  background: var(--dev-soft);
}
.pill[data-status='dev'] i {
  animation: pulse 1.6s ease-in-out infinite;
}
.pill[data-status='planned'] {
  color: var(--plan);
  background: var(--plan-soft);
}
.pill[data-status='exploring'] {
  color: var(--explore);
  background: var(--explore-soft);
}
.pill[data-status='live'] {
  color: var(--ok);
  background: var(--ok-soft);
}
@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}

/* ============ 首屏 ============ */
.hero {
  position: relative;
  padding: 72px 0 96px;
  overflow: hidden;
  overflow: clip; /* 背景光晕伸出去的部分直接裁掉, 也不能被滚动 (点卡片里的按钮时整块不会横向错位) */
}
.hero::before {
  /* 网格底纹 + 两团光晕 */
  content: '';
  position: absolute;
  inset: -40% -20% 0;
  background:
    radial-gradient(600px 360px at 25% 30%, var(--glow-1), transparent 70%),
    radial-gradient(520px 340px at 80% 40%, var(--glow-2), transparent 70%),
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 100%);
  pointer-events: none;
}
.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero-title {
  margin-top: 18px;
  font-size: clamp(42px, 6.4vw, 72px);
  line-height: 1.05;
  letter-spacing: -1.5px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--text) 30%, var(--brand) 70%, var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  margin-top: 14px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--text);
}
.hero-sub {
  margin-top: 14px;
  max-width: 34em;
  font-size: 16.5px;
  color: var(--text-2);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* 首屏决策卡 (体验页的结果卡也用它) */
.decision-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  animation: float 6s ease-in-out infinite;
}
.decision-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, var(--brand), transparent 40%, transparent 60%, var(--brand-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.6;
  pointer-events: none;
}
@keyframes float {
  50% {
    transform: translateY(-8px);
  }
}
.dc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
}
/* 首屏卡片顶部的三个标签: 股票 / 球赛 / 气温 */
.dc-tabs {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  background: var(--surface-2);
}
.dc-tabs button {
  height: 28px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-3);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.dc-tabs button:hover {
  color: var(--text);
}
.dc-tabs button[aria-selected='true'] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(10, 11, 13, 0.08), 0 0 0 1px var(--border);
}
.dc-tabs button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}
/* 三个决策叠在同一格里: 卡片高度按最高的那个算, 切换时不跳 */
.dc-slides {
  display: grid;
  margin-top: 6px;
}
.dc-slide {
  grid-area: 1 / 1;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
/* 先淡出旧的, 再淡入新的, 两段文字不重叠 */
.dc-slide.on {
  transition-delay: 0.2s;
}
.dc-slide:not(.on) {
  opacity: 0;
  visibility: hidden;
}
.dc-id {
  font-size: 13px;
  color: var(--text-3);
}
.tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px dashed var(--border-strong);
  color: var(--text-3);
}
.dc-market {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 700;
  text-wrap: balance; /* 折行时两行长度接近, 不会只剩一两个字挂在第二行 */
}
.dc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.dc-row > div {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.dc-row small,
.dc-why small,
.dc-proof small {
  display: block;
  font-size: 12px;
  color: var(--text-3);
}
.dc-row b {
  font-size: 18px;
}
.dc-row .pick {
  color: var(--brand);
}
.meter {
  margin-top: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}
.meter i {
  display: block;
  height: 100%;
  width: 64%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.dc-why {
  margin-top: 16px;
}
.dc-why ul {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.dc-why li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--text-2);
}
.dc-why li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}
.dc-proof {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  display: grid;
  gap: 8px;
}
.dc-proof > div {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13.5px;
}
.dc-proof small {
  display: inline;
  min-width: 3.2em;
}
.dc-proof code {
  font-size: 13px;
  color: var(--text);
}
.ok-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 999px;
  color: var(--ok);
  background: var(--ok-soft);
}

/* ============ 通用段落 ============ */
.section {
  padding: 88px 0;
}
.section + .section {
  border-top: 1px solid var(--border);
}
.section h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.5px;
  font-weight: 750;
}
.section-sub {
  margin-top: 12px;
  max-width: 40em;
  color: var(--text-2);
  font-size: 16.5px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.card h3 {
  margin-top: 16px;
  font-size: 19px;
}
.card p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 15px;
}
.ico {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--brand);
  background: var(--brand-soft);
}

/* 四层结构 */
.layers {
  position: relative;
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.layers::before {
  /* 贯穿四层的连线 + 流动的光点 */
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  top: 31px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  opacity: 0.35;
}
.layers::after {
  content: '';
  position: absolute;
  top: 27px;
  left: 8%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand-2);
  box-shadow: 0 0 12px var(--brand-2);
  animation: flow 4.5s linear infinite;
}
@keyframes flow {
  to {
    left: 92%;
  }
}
.layer {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.layer-no {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  font: 700 14px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--brand);
}
.layer h3 {
  margin-top: 16px;
  font-size: 18px;
}
.layer p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 14.5px;
}
.layer-proof {
  border-color: color-mix(in srgb, var(--brand) 45%, var(--border));
  background: linear-gradient(180deg, var(--brand-soft), var(--surface) 60%);
}

/* 场景 */
.scenario .card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

/* 进展 */
.progress {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.progress li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.progress h3 {
  font-size: 17px;
}
.progress p {
  margin-top: 4px;
  color: var(--text-2);
  font-size: 14.5px;
}
.progress .pill {
  margin-left: auto;
  flex: none;
}

/* 问答 */
.faq {
  margin-top: 32px;
  display: grid;
  gap: 12px;
  max-width: 820px;
}
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 20px;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  color: var(--text-3);
  font-weight: 400;
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s ease;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq details p {
  padding: 0 0 18px;
  color: var(--text-2);
}

/* 本机运行 / 不联网 / 不上传 (首页「体验模型」和体验页共用) */
.local-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.local-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand) 25%, var(--border));
  background: var(--surface);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}
.local-points svg {
  flex: none;
  color: var(--brand);
}

/* 首页「体验模型」: 左边介绍, 右边三个档位 */
.try {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 36px 64px;
  align-items: center;
}
.try-actions {
  margin-top: 28px;
}
.try-tiers {
  display: grid;
  gap: 12px;
}
.tier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
}
.tier-row b {
  font-size: 15.5px;
}
.tier-row p {
  margin: 2px 0 0;
  color: var(--text-2);
  font-size: 14px;
}
.tier-size {
  flex: none;
  color: var(--text-3);
  font: 600 13px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* API 与企业合作 */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 40px;
  padding: 36px 40px;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border));
  background: linear-gradient(135deg, var(--brand-soft), var(--surface) 65%);
}
.cta-band .section-sub {
  margin-top: 10px;
}
.cta-actions {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
  .try {
    grid-template-columns: 1fr;
  }
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero {
    padding: 48px 0 72px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .layers {
    grid-template-columns: 1fr 1fr;
  }
  .layers::before,
  .layers::after {
    display: none;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 640px) {
  .wrap {
    padding: 0 16px;
  }
  .nav .wrap {
    height: 58px;
  }
  .grid-3,
  .grid-4,
  .layers,
  .progress {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 64px 0;
  }
  .btn {
    flex: 1;
  }
  /* 手机上状态标签统一放在文字下方 */
  .progress li {
    flex-direction: column;
    gap: 12px;
  }
  .progress .pill {
    margin-left: 0;
  }
  .cta-band {
    padding: 24px 20px;
  }
  .cta-actions {
    width: 100%;
  }
  .icon-btn,
  .lang-picker {
    height: 36px;
    min-width: 36px;
    padding: 0 8px;
  }
}

/* 手机上顶栏: 品牌名 + 语言 + 主题 + ☰ 一行放下 (西语、葡语、印尼语这类长名字也不出界) */
@media (max-width: 480px) {
  .brand {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15.5px;
    letter-spacing: 0;
  }
  .nav-actions {
    flex: none;
    gap: 6px;
  }
  /* 语言按钮只留地球图标, 点开还是语言列表 */
  .lang-picker #lang-current {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}