/**
 * R65 — 旅行 Vlog 展示 — 全局样式
 * 技术栈：R3 母版（原生 CSS，CSS Variables + Grid + Flexbox）
 * 设计理念：Design Token 驱动 + 响应式断点 + 深色模式
 * 版本：v1.0.0
 */

/* ===========================
   CSS 自定义属性（Design Token 降级默认值）
   实际值由 config.js → injectColorScheme() 动态注入
   =========================== */
:root {
  /* 默认值（深海探索 light） */
  --color-primary: #1A6B8A;
  --color-primary-hover: #155E7A;
  --color-primary-light: #E8F4F8;
  --color-accent: #F4A261;
  --color-accent-hover: #E8914A;
  --color-accent-light: #FFF3E5;
  --color-bg: #F7FAFC;
  --color-bg-alt: #EDF2F7;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F0F6FA;
  --color-text-primary: #1A202C;
  --color-text-secondary: #718096;
  --color-text-muted: #A0AEC0;
  --color-text-inverse: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-light: #EDF2F7;
  --color-shadow: rgba(10, 22, 40, 0.08);
  --color-shadow-lg: rgba(10, 22, 40, 0.12);
  --color-hero-overlay: rgba(10, 22, 40, 0.55);
  --color-tag-bg: #E8F4F8;
  --color-tag-text: #1A6B8A;

  /* 排版 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-hero: 3.5rem;

  /* 间距 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-section: 5rem;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px var(--color-shadow);
  --shadow-md: 0 4px 12px var(--color-shadow);
  --shadow-lg: 0 8px 30px var(--color-shadow-lg);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 层级 */
  --z-header: 100;
  --z-modal: 200;
  --z-loader: 300;

  /* 导航栏高度 */
  --header-height: 64px;

  /* 最大内容宽度 */
  --content-max-width: 1200px;
}

/* ===========================
   全局重置与基础
   =========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* ===========================
   通用 Section
   =========================== */
.section {
  padding: var(--space-section) var(--space-lg);
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-footer {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ===========================
   按钮系统
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 600;
}

.btn-sm:hover {
  background: var(--color-primary-hover);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  transition: background var(--transition-fast);
  color: var(--color-text-primary);
}

.btn-icon:hover {
  background: var(--color-surface-hover);
}

/* ===========================
   顶部导航栏
   =========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-normal);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 23, 42, 0.85);
}

.header-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.brand-logo img {
  width: 36px;
  height: 36px;
}

.header-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--space-sm);
}

.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* 配色选择面板 */
.scheme-picker {
  position: absolute;
  top: calc(var(--header-height) + 8px);
  right: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-header);
  min-width: 280px;
}

.scheme-picker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.scheme-swatch {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border: 2px solid transparent;
  text-align: left;
}

.scheme-swatch:hover {
  background: var(--color-surface-hover);
}

.scheme-swatch.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===========================
   模块 1：视频 Hero
   =========================== */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-2xl);
  max-width: 800px;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.03em;
}

.hero-highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
}

.hero-persona {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.persona-tag {
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
}

.hero-cta .btn-outline:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
  animation: bounce-down 2s ease infinite;
  z-index: 2;
}

@keyframes bounce-down {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(8px); }
  60% { transform: translateX(-50%) translateY(4px); }
}

.hero-mobile-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 3;
  transition: transform var(--transition-normal);
}

.hero-mobile-play:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

/* ===========================
   模块 2：视频画廊
   =========================== */
.videos-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.video-filters {
  margin-bottom: var(--space-xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.video-filters::-webkit-scrollbar {
  display: none;
}

.filter-tabs {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  padding-bottom: var(--space-sm);
  min-width: max-content;
}

.filter-tab {
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-tab:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.filter-tab.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* 视频卡片 */
.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.video-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.video-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition-normal);
}

.video-card-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.video-card-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.7);
  color: #FFFFFF;
  font-size: var(--font-size-xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.video-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.video-card:hover .video-card-play {
  opacity: 1;
}

.video-card-body {
  padding: var(--space-md);
}

.video-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

.video-card-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tag {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* 视频桌面网格（备选） */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

/* Swiper 覆盖 */
.video-swiper {
  overflow: hidden;
  padding-bottom: 48px;
}

@media (min-width: 768px) {
  .video-swiper {
    display: none;
  }
}

.video-swiper .swiper-pagination-bullet-active {
  background: var(--color-primary);
}

.video-swiper .swiper-button-prev,
.video-swiper .swiper-button-next {
  color: var(--color-primary);
}

.video-swiper .swiper-button-prev::after,
.video-swiper .swiper-button-next::after {
  font-size: 20px;
}

/* ===========================
   模块 3：时间轴 + 地图
   =========================== */
.timeline-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.timeline-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.timeline-panel {
  max-height: 70vh;
  overflow-y: auto;
  padding-right: var(--space-md);
}

.timeline-panel::-webkit-scrollbar {
  width: 4px;
}

.timeline-panel::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.timeline-year {
  margin-bottom: var(--space-xl);
}

.timeline-year-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  padding-left: var(--space-md);
  border-left: 4px solid;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.timeline-node {
  position: relative;
  padding: 0 0 var(--space-lg) 32px;
  cursor: pointer;
}

.timeline-node::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 14px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-node:last-child::before {
  display: none;
}

.timeline-dot {
  position: absolute;
  left: 6px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-border);
  transition: transform var(--transition-fast);
}

.timeline-node:hover .timeline-dot,
.timeline-node.active .timeline-dot {
  transform: scale(1.4);
}

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-node:hover .timeline-card,
.timeline-node.active .timeline-card {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: 600;
}

.timeline-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: var(--space-xs) 0;
}

.timeline-location {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.timeline-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  line-height: 1.5;
}

/* 地图面板 */
.map-panel {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.amap-container {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-alt);
}

.map-placeholder {
  width: 100%;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

.map-legend {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ===========================
   模块 4：照片集
   =========================== */
.photos-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.photo-masonry {
  columns: 3;
  column-gap: var(--space-md);
}

.photo-masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  cursor: pointer;
}

.photo-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.photo-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.photo-img {
  width: 100%;
  display: block;
  min-height: 140px;
  background: var(--color-bg-alt);
  object-fit: cover;
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.1) 50%, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.photo-card:hover .photo-overlay {
  opacity: 1;
}

.photo-location {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xs);
}

.photo-caption {
  font-size: var(--font-size-sm);
  color: #FFFFFF;
  font-weight: 500;
}

/* ===========================
   模块 5：仪表盘
   =========================== */
.dashboard-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-unit {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-left: 2px;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ===========================
   模块 6：目的地索引
   =========================== */
.destinations-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.destination-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.destination-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.destination-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--dest-color, var(--color-primary));
}

.destination-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.destination-flag {
  font-size: 2.5rem;
  line-height: 1;
}

.destination-name {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.destination-name-en {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.destination-cities {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.city-tag {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--dest-color-light, var(--color-primary-light));
  color: var(--dest-color, var(--color-primary));
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.destination-vlog-count {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.destination-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

/* ===========================
   About 区域
   =========================== */
.about-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  display: flex;
  justify-content: center;
}

.about-card {
  max-width: 600px;
  width: 100%;
  text-align: center;
  padding: var(--space-3xl) var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.about-avatar-wrapper {
  margin-bottom: var(--space-lg);
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-primary-light);
}

.about-name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.about-title {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.about-bio {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.about-social {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.social-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ===========================
   页脚
   =========================== */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.footer-brand {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.footer-credit {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer-credit a {
  color: var(--color-text-muted);
}

.footer-credit a:hover {
  color: var(--color-primary);
}

/* ===========================
   全屏视频模态框
   =========================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}

.video-modal-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  width: 90vw;
  max-width: 1200px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-player-wrapper {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 450px;
}

.modal-video {
  width: 100%;
  max-height: 70vh;
  outline: none;
}

.video-info-panel {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border-light);
}

.video-info-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.video-info-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.video-info-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.video-info-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.video-chapters h4 {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.chapter-list {
  list-style: none;
}

.chapter-list li {
  padding: 6px 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition-fast);
}

.chapter-list li:hover {
  color: var(--color-primary);
}

.chapter-time {
  font-family: monospace;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-right: var(--space-sm);
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #FFFFFF;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.8);
}

/* ===========================
   Lightbox 模态框
   =========================== */
.lightbox-content {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90vw;
  max-width: 1000px;
  position: relative;
}

.lightbox-image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 85vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  color: #FFFFFF;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background var(--transition-fast);
}

.lightbox-nav:hover {
  background: rgba(0, 0, 0, 0.7);
}

.lightbox-prev {
  left: -64px;
}

.lightbox-next {
  right: -64px;
}

.lightbox-caption {
  position: absolute;
  bottom: -48px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-sm);
}

.lightbox-counter {
  position: absolute;
  top: -36px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
}

/* ===========================
   海报模态框
   =========================== */
.poster-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

#poster-canvas {
  width: 100%;
  max-width: 375px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.poster-actions {
  display: flex;
  gap: var(--space-md);
}

/* ===========================
   浮动元素
   =========================== */
.cta-float {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
}

.cta-float.visible {
  opacity: 1;
  visibility: visible;
}

.btn-cta-float {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-base);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
}

.btn-cta-float:hover {
  transform: translateY(-2px);
}

/* 回到顶部 */
.btn-back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-size: 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: all var(--transition-normal);
}

.btn-back-to-top:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-back-to-top[hidden] {
  display: none;
}

/* ===========================
   响应式断点
   =========================== */

/* Tablet: 768px - 1024px */
@media (max-width: 1024px) {
  :root {
    --font-size-hero: 2.8rem;
    --space-section: 4rem;
  }

  .section {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .video-modal-content {
    grid-template-columns: 1fr;
  }

  .video-info-panel {
    border-left: none;
    border-top: 1px solid var(--color-border-light);
  }

  .timeline-layout {
    grid-template-columns: 1fr;
  }

  .map-panel {
    position: static;
  }

  .amap-container {
    height: 360px;
  }

  .destination-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .photo-masonry {
    columns: 2;
  }

  .lightbox-prev {
    left: -16px;
  }

  .lightbox-next {
    right: -16px;
  }
}

/* Mobile: < 768px */
@media (max-width: 767px) {
  :root {
    --header-height: 56px;
    --font-size-hero: 2rem;
    --font-size-3xl: 1.5rem;
    --space-section: 2.5rem;
  }

  .section {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  /* 导航栏 */
  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    padding: var(--space-md);
    gap: var(--space-xs);
    z-index: var(--z-header);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions {
    gap: var(--space-xs);
  }

  /* Hero */
  .hero-section {
    height: 85vh;
    min-height: 500px;
  }

  .hero-content {
    padding: var(--space-lg);
  }

  .hero-title {
    font-size: var(--font-size-hero);
  }

  .hero-persona {
    flex-wrap: wrap;
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-cta .btn {
    width: 100%;
  }

  /* 移动端 AOS 被禁用，但 data-aos 默认 opacity:0，需强制可见 */
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* 视频：移动端仅 Swiper，隐藏重复网格避免长空白 */
  .video-grid {
    display: none;
  }

  .video-swiper {
    overflow: hidden;
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .video-swiper .swiper-slide {
    width: calc(100% - 24px);
    max-width: 100%;
  }

  .filter-tabs {
    justify-content: flex-start;
  }

  /* 时间轴 */
  .timeline-panel {
    max-height: none;
    padding-right: 0;
  }

  .amap-container {
    height: 280px;
  }

  /* 照片集 */
  .photo-masonry {
    columns: 2;
    column-gap: var(--space-sm);
  }

  .photo-masonry-item {
    margin-bottom: var(--space-sm);
  }

  /* 仪表盘 */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .stat-card {
    padding: var(--space-lg);
  }

  .stat-value {
    font-size: 1.75rem;
  }

  .stat-icon {
    font-size: 1.8rem;
  }

  /* 目的地 */
  .destination-grid {
    grid-template-columns: 1fr;
  }

  /* Lightbox */
  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .lightbox-prev {
    left: 8px;
  }

  .lightbox-next {
    right: 8px;
  }

  .lightbox-caption {
    bottom: -56px;
    font-size: var(--font-size-xs);
  }

  /* 模态框 */
  .video-modal-content {
    width: 100vw;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }

  /* 配色选择器 */
  .scheme-picker {
    right: var(--space-md);
  }
}

/* Small Mobile: < 375px */
@media (max-width: 374px) {
  :root {
    --font-size-hero: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .photo-masonry {
    columns: 1;
  }

  .hero-scroll-hint {
    display: none;
  }
}

/* Wide Desktop: > 1440px */
@media (min-width: 1440px) {
  :root {
    --content-max-width: 1320px;
    --font-size-hero: 4rem;
  }

  .video-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .destination-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ===== 标准底栏（R3 交付） ===== */
html.has-contact-footer body {
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
}

.contact-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  padding: .65rem 1rem calc(.65rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--color-bg, #0A1628) 92%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border, #263548);
}

.contact-footer__btns {
  display: flex;
  gap: .5rem;
  max-width: 480px;
  margin: 0 auto .35rem;
}

.contact-footer__cta,
.contact-footer__btn {
  flex: 1;
  text-align: center;
  padding: .55rem .4rem;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.contact-footer__cta {
  background: #c41e1e !important;
  color: #fff !important;
}

.contact-footer__btn {
  background: var(--color-surface, #162440);
  color: var(--color-text-primary, #E2E8F0);
  border: 1px solid var(--color-border, #263548);
  cursor: pointer;
}

.contact-footer__brand {
  text-align: center;
  font-size: .62rem;
  color: var(--color-text-muted, #64748B);
}

/* ===== P1 · M9 大洲目的地 / M10 动态 / M11 留言 / M12 合作 ===== */
.destination-grid--continent {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl, 2rem);
}

.continent-block__title {
  font-size: var(--font-size-lg, 1.125rem);
  margin-bottom: var(--space-md, 1rem);
  color: var(--color-text-primary);
}

.continent-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md, 1rem);
}

@media (min-width: 768px) {
  .continent-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .continent-cards { grid-template-columns: repeat(4, 1fr); }
}

.dest-cover-card {
  border: none;
  padding: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  box-shadow: 0 4px 16px var(--color-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}

.dest-cover-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow-lg);
}

.dest-cover-card__img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.dest-cover-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dest-cover-card__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: .2rem .5rem;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 700;
  background: rgba(10, 22, 40, .75);
  color: #fff;
}

.dest-cover-card__body {
  padding: .75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
}

.dest-cover-card__flag { font-size: 1.1rem; }

.dest-cover-card__en {
  width: 100%;
  font-size: .72rem;
  color: var(--color-text-muted);
}

.updates-hero {
  min-height: 280px;
  border-radius: var(--radius-lg, 12px);
  background-size: cover;
  background-position: center;
  margin-bottom: var(--space-lg, 1.5rem);
  display: flex;
  align-items: flex-end;
}

.updates-hero__content {
  width: 100%;
  padding: var(--space-lg, 1.5rem);
}

.updates-hero__label {
  font-size: .78rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: .35rem;
}

.updates-hero__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: #fff;
  margin: 0 0 .25rem;
}

.updates-hero__sub {
  color: rgba(255, 255, 255, .8);
  font-size: .88rem;
  margin-bottom: 1rem;
}

.updates-countdown {
  display: flex;
  gap: .65rem;
  margin-bottom: 1rem;
}

.updates-countdown__item {
  min-width: 52px;
  padding: .45rem .5rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  text-align: center;
  color: #fff;
}

.updates-countdown__item span {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.1;
}

.updates-countdown__item em {
  font-size: .62rem;
  font-style: normal;
  opacity: .85;
}

.updates-recent__title {
  font-size: var(--font-size-md, 1rem);
  margin-bottom: var(--space-md, 1rem);
}

.updates-recent-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.updates-recent-item {
  display: flex;
  gap: .75rem;
  padding: .65rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 10px);
  text-decoration: none;
  color: inherit;
  transition: border-color .2s;
}

.updates-recent-item:hover { border-color: var(--color-primary); }

.updates-recent-item img {
  width: 96px;
  height: 54px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.updates-recent-item__meta strong {
  display: block;
  font-size: .85rem;
  margin-bottom: .2rem;
}

.updates-recent-item__meta span {
  font-size: .72rem;
  color: var(--color-text-muted);
}

.fan-swiper { padding-bottom: 2rem; }

.fan-card {
  display: flex;
  gap: .75rem;
  padding: 1rem;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg, 12px);
  backdrop-filter: blur(8px);
  min-height: 100px;
}

.fan-card__av {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.fan-card__head {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .35rem;
}

.fan-card__head strong { font-size: .85rem; }

.fan-card__head time {
  font-size: .68rem;
  color: var(--color-text-muted);
}

.fan-card__body p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md, 1rem);
}

@media (min-width: 640px) {
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
}

.partner-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: 1rem .75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 10px);
  text-decoration: none;
  color: inherit;
  transition: filter .3s, opacity .3s, transform .2s;
}

.partner-logo--gray {
  filter: grayscale(100%);
  opacity: .6;
}

.partner-logo--gray:hover {
  filter: none;
  opacity: 1;
  transform: translateY(-2px);
}

.partner-logo__mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--logo-color, #64748B);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .85rem;
}

.partner-logo__name {
  font-size: .72rem;
  text-align: center;
  color: var(--color-text-secondary);
}

/* ===== P2 · VR 全景 / 3D 地球 / AI 规划 ===== */
.p2-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: .85rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg, 12px);
  background: var(--color-bg-alt);
}

.globe-layout {
  display: grid;
  gap: var(--space-lg, 1.5rem);
}

@media (min-width: 900px) {
  .globe-layout { grid-template-columns: 1.2fr 1fr; align-items: center; }
}

.globe-canvas-wrap {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  background: radial-gradient(circle at 30% 30%, #1a3344, #0a1628);
  border: 1px solid var(--color-border);
}

.globe-canvas { display: block; width: 100%; cursor: grab; }
.globe-canvas:active { cursor: grabbing; }

.globe-side__hint {
  font-size: .82rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md, 1rem);
}

.globe-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.globe-legend__item {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .55rem;
  font-size: .72rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.globe-legend__item i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.globe-legend__more { font-size: .72rem; color: var(--color-text-muted); }

.vr-layout { display: flex; flex-direction: column; gap: var(--space-md, 1rem); }

.vr-viewer-wrap {
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.vr-viewer { width: 100%; height: 360px; background: #000; }

@media (min-width: 768px) { .vr-viewer { height: 420px; } }

.vr-viewer-meta {
  padding: .85rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  border-top: 1px solid var(--color-border);
}

.vr-viewer-meta h3 { margin: 0; font-size: 1rem; flex: 1; }
.vr-viewer-meta p { margin: 0; font-size: .78rem; color: var(--color-text-muted); width: 100%; }

.vr-scene-tabs {
  display: flex;
  gap: .65rem;
  overflow-x: auto;
  padding-bottom: .35rem;
}

.vr-scene-tab {
  flex: 0 0 auto;
  width: 100px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color .2s;
}

.vr-scene-tab.active { border-color: var(--color-accent, #F4A261); }

.vr-scene-tab img { width: 100%; height: 56px; object-fit: cover; display: block; }

.vr-scene-tab span {
  display: block;
  padding: .35rem;
  font-size: .62rem;
  text-align: center;
  color: var(--color-text-secondary);
}

.ai-planner-form {
  max-width: 560px;
  margin: 0 auto var(--space-lg, 1.5rem);
  padding: var(--space-lg, 1.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg, 12px);
}

.ai-field { display: block; margin-bottom: var(--space-md, 1rem); }
.ai-field > span, .ai-field legend { font-size: .85rem; font-weight: 600; margin-bottom: .5rem; display: block; }

.ai-field input[type="range"] { width: 100%; margin: .5rem 0; }

.ai-field output { font-size: .88rem; color: var(--color-accent); font-weight: 700; }

.ai-planner-options, .ai-planner-chips { display: flex; flex-direction: column; gap: .45rem; }

.ai-radio, .ai-chip {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  cursor: pointer;
}

.ai-planner-msg { font-size: .78rem; margin-top: .65rem; min-height: 1.2em; }
.ai-planner-msg--ok { color: #22c55e; }
.ai-planner-msg--err { color: #ef4444; }

.ai-planner-result {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-lg, 1.5rem);
  background: color-mix(in srgb, var(--color-primary-light, #1a3344) 40%, var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg, 12px);
}

.ai-result__title { margin: 0 0 .35rem; font-size: 1.1rem; }
.ai-result__meta { font-size: .78rem; color: var(--color-text-muted); margin-bottom: 1rem; }

.ai-result__cards {
  display: grid;
  gap: .75rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) { .ai-result__cards { grid-template-columns: repeat(3, 1fr); } }

.ai-result-card {
  padding: .85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--dest-color, var(--color-primary));
  border-radius: 10px;
}

.ai-result-card__rank {
  font-size: .68rem;
  color: var(--color-accent);
  font-weight: 800;
}

.ai-result-card p { font-size: .72rem; color: var(--color-text-muted); margin: .35rem 0; }

.ai-result__tips {
  margin: 0 0 .75rem;
  padding-left: 1.1rem;
  font-size: .78rem;
  color: var(--color-text-secondary);
}

.ai-result__disclaimer { font-size: .68rem; color: var(--color-text-muted); margin: 0; }

/* ===== 分享页 share.html ===== */
html.share-page-root,
body.share-page {
  min-height: 100vh;
  background: var(--color-bg, #0A1628);
  color: var(--color-text-primary, #E2E8F0);
}

body.share-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem calc(6rem + env(safe-area-inset-bottom));
}

.share-card {
  max-width: 420px;
  width: 100%;
  padding: 1.5rem;
  background: var(--color-surface, #162440);
  border: 1px solid var(--color-border, #263548);
  border-radius: 16px;
  text-align: center;
}

.share-card__eyebrow {
  font-size: .72rem;
  color: var(--color-accent, #F4A261);
  font-weight: 700;
  margin-bottom: .5rem;
}

.share-card h1 {
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0 0 .25rem;
}

.share-card__tagline {
  font-size: .82rem;
  color: var(--color-accent, #F4A261);
  margin: 0 0 .35rem;
}

.share-card__desc {
  font-size: .85rem;
  color: var(--color-text-muted, #94A3B8);
  margin-bottom: 1rem;
}

.share-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
  margin-bottom: 1.25rem;
}

.share-stats div {
  padding: .65rem .35rem;
  background: var(--color-bg-alt, #111D33);
  border-radius: 10px;
  border: 1px solid var(--color-border, #263548);
}

.share-stats strong {
  display: block;
  font-size: 1.25rem;
  color: var(--color-accent, #F4A261);
}

.share-stats span {
  font-size: .68rem;
  color: var(--color-text-muted, #94A3B8);
}

.share-poster-panel {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border, #263548);
  text-align: left;
}

.share-poster-panel h2 {
  font-size: .95rem;
  margin: 0 0 .35rem;
}

.share-poster-panel__hint {
  font-size: .72rem;
  color: var(--color-text-muted, #94A3B8);
  margin: 0 0 .75rem;
}

.poster-wrap {
  margin-top: .75rem;
  text-align: center;
}

.poster-wrap canvas {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}