/*
  全局 iOS 设计风格样式
  - 自适应安全区（刘海/底部 Home 指示条）
  - 大标题导航、玻璃卡片、减弱动效支持
  - 深浅色模式
*/

:root {
  --ios-blue: #0a84ff; /* iOS 系统蓝 */
  --bg-start: #f6f7fb;
  --bg-end: #e9ecf6;
  --text: #111111;
  --text-secondary: #3a3a3c;
  --surface: rgba(255, 255, 255, 0.65);
  --border: rgba(0, 0, 0, 0.08);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-start: #0b0c0f;
    --bg-end: #15171c;
    --text: #f2f2f7;
    --text-secondary: #c7c7cc;
    --surface: rgba(28, 28, 30, 0.55);
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
  }
}

* {
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft Yahei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-start), var(--bg-end));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 顶部大标题导航 */
.app-navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--surface) 100%, transparent);
  border-bottom: 1px solid var(--border);
}

.status-spacer {
  height: max(12px, env(safe-area-inset-top));
}

.large-title {
  padding: 6px calc(20px + env(safe-area-inset-left)) 14px calc(20px + env(safe-area-inset-left));
}

.large-title h1 {
  margin: 0;
  font-size: clamp(24px, 4.5vw, 34px);
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* 分段控制器（iOS Segment） */
.segmented {
  display: flex;
  gap: 8px;
  padding: 0 calc(16px + env(safe-area-inset-left)) 12px calc(16px + env(safe-area-inset-left));
}

.seg {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, transform 120ms ease;
}

.seg.is-active {
  color: white;
  background: linear-gradient(180deg, color-mix(in srgb, var(--ios-blue) 92%, white 8%), color-mix(in srgb, var(--ios-blue) 86%, black 14%));
}

.seg:active { transform: scale(0.98); }

/* 内容区域 */
.content {
  padding: 18px calc(16px + env(safe-area-inset-left)) calc(24px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
  max-width: 1024px;
  margin: 0 auto;
}

/* 详情页内容区域 */
.content[data-app-query] {
  padding: 0;
}

/* 顶部快捷按钮 */
.quick-actions { position: sticky; top: calc(var(--nav-h, 64px)); z-index: 11; display: grid; grid-template-columns: 1fr; margin-bottom: 14px; backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); background: color-mix(in srgb, var(--surface) 92%, transparent); padding: 8px 0; }
.action-capsule { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 8px 22px rgba(0,0,0,.06); margin: 0 4px; }
.qa-btn { display: inline-grid; grid-auto-flow: column; align-items: center; justify-content: center; gap: 6px; text-align: center; padding: 10px 12px; border-radius: 14px; background: transparent; color: var(--text); font-weight: 700; text-decoration: none; border: 1px solid var(--border); transition: transform .12s ease, background .2s ease, box-shadow .2s ease; }
.qa-btn .btn-icon { filter: grayscale(0); }
.qa-btn::before { content: "按钮"; position: absolute; left: -9999px; }
.qa-btn:hover { background: color-mix(in srgb, var(--surface) 90%, white 10%); }
.qa-btn.primary { border: none; background: linear-gradient(180deg, #4da6ff, #0a84ff); color: #fff; box-shadow: 0 6px 16px rgba(10,132,255,.28); }
.qa-btn.primary:hover { box-shadow: 0 10px 20px rgba(10,132,255,.34); }
.qa-btn.wechat { border: none; background: linear-gradient(180deg, #19d16f, #07c160); color: #fff; box-shadow: 0 6px 16px rgba(7,193,96,.26); }
.qa-btn.wechat:hover { box-shadow: 0 10px 20px rgba(7,193,96,.32); }
.qa-sub { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.qa-btn:active { transform: scale(.98); }

/* 移动端优化：减小顶部快捷按钮尺寸 */
@media (max-width: 768px) {
  .qa-btn { padding: 6px 8px; font-size: 13px; gap: 4px; }
  .action-capsule { gap: 3px; padding: 3px; border-radius: 12px; }
  .qa-sub { font-size: 10px; }
  .qa-btn .btn-icon { font-size: 14px; }
}

.group-title {
  margin: 12px 4px 10px 6px;
  font-size: clamp(18px, 2.8vw, 22px);
  font-weight: 600;
  color: var(--text-secondary);
}

/* Today Hero 卡片 */
.hero { margin-bottom: 8px; }
.hero-card {
  position: relative;
  border-radius: 26px;
  min-height: 280px;
  background-size: cover; background-position: center;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,.20);
}
.hero-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.0) 0, rgba(0,0,0,.35) 60%, rgba(0,0,0,.55) 100%); }
.hero-content { position: absolute; inset: auto 16px 16px 16px; color: #fff; }
.hero-kicker { opacity: .9; font-weight: 700; margin-bottom: 6px; }
.hero-title { font-size: clamp(22px, 4.6vw, 34px); line-height: 1.12; margin: 0 0 10px 0; }
.hero-row { display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; align-items: center; }
.hero-meta .app-name { color: #fff; }
.hero-meta .app-sub { color: rgba(255,255,255,.85); }

/* App Store 风格列表单元 */
.apps-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.app-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 14px 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 200ms cubic-bezier(.2,.8,.2,1), box-shadow 200ms ease, background 200ms ease;
  will-change: transform;
}

.app-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--x, 0) var(--y, 0), color-mix(in srgb, var(--ios-blue) 14%, transparent) 0, transparent 35%);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

.app-item:hover::after { opacity: 1; }

.app-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0,0,0,.10), 0 2px 0 rgba(0,0,0,.04);
}

.app-link { display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: center; text-decoration: none; color: inherit; }
.app-icon { width: 56px; height: 56px; border-radius: 14px; overflow: hidden; display: inline-grid; place-items: center; background: linear-gradient(180deg, #8ec5ff, #2f7cff); box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 6px 16px rgba(24,84,198,.35); }
.app-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.app-meta { display: grid; gap: 4px; }
.app-name { font-size: clamp(16px, 2.6vw, 18px); font-weight: 700; }
.app-sub { font-size: 13px; color: var(--text-secondary); }

.cta-button { padding: 8px 14px; border-radius: 999px; background: color-mix(in srgb, var(--ios-blue) 92%, white 8%); color: #fff; font-weight: 700; text-decoration: none; border: none; box-shadow: 0 4px 10px rgba(10,132,255,.3); transition: transform 120ms ease; white-space: nowrap; }
.cta-button:active { transform: scale(.98); }

.app-item:focus-within { outline: 3px solid color-mix(in srgb, var(--ios-blue) 80%, white 20%); outline-offset: 2px; }

.app-footer {
  padding: 18px calc(16px + env(safe-area-inset-left)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
  text-align: center;
  color: var(--text-secondary);
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .app-item, .app-item:hover { transition: none; }
}

/* 面板显示隐藏 */
.panel { display: block; }
.panel[hidden] { display: none; }

/* 大白卡容器（截图中热门 App 大卡） */
.sheet-card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); padding: 10px 10px; }

/* 横向媒体画廊 */
.gallery-scroller { display: grid; grid-auto-flow: column; grid-auto-columns: 72%; gap: 12px; overflow-x: auto; padding: 6px 4px 2px; scroll-snap-type: x mandatory; }
.media-card { position: relative; display: block; aspect-ratio: 16/9; border-radius: 18px; overflow: hidden; border: 1px solid var(--border); background: #000; box-shadow: var(--shadow); cursor: pointer; scroll-snap-align: start; }
.media-card img, .media-card video { width: 100%; height: 100%; object-fit: cover; display: block; }
.play-badge { position: absolute; right: 10px; bottom: 10px; background: rgba(0,0,0,.55); color: #fff; border-radius: 999px; padding: 6px 10px; font-weight: 800; }

/* 预览视频的外观与图片区分 */
.media-card.video img { filter: grayscale(10%) saturate(120%) brightness(0.82); }
.media-card.video::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.0) 40%, rgba(0,0,0,.35) 100%); }
.media-card .video-chip { position: absolute; left: 10px; top: 10px; padding: 4px 8px; border-radius: 999px; background: rgba(0,0,0,.6); color: #fff; font-size: 12px; font-weight: 800; }
.media-card .duration { position: absolute; left: 10px; bottom: 10px; padding: 2px 6px; border-radius: 6px; background: rgba(0,0,0,.65); color: #fff; font-size: 12px; font-weight: 800; }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.9); display: grid; place-items: center; z-index: 100; overscroll-behavior: contain; }
.lightbox[hidden] { display: none; }
.lightbox-stage { width: min(900px, 92vw); aspect-ratio: 16/9; display: grid; place-items: center; }
.lightbox-stage img, .lightbox-stage video { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; }
.embed-crop { position: relative; width: 100%; height: 100%; overflow: hidden; border-radius: 14px; background: #000; }
.embed-crop iframe { position: absolute; top: -56px; left: 0; width: 100%; height: calc(100% + 112px); border: 0; }

@media (max-width: 480px) {
  .embed-crop iframe { top: -46px; height: calc(100% + 92px); }
}
.lightbox-close, .lightbox-prev, .lightbox-next { position: fixed; top: 16px; background: rgba(255,255,255,.12); color: #fff; border: none; border-radius: 999px; padding: 10px 12px; font-size: 18px; }
.lightbox-close { right: 16px; }
.lightbox-prev { left: 16px; top: auto; bottom: 16px; }
.lightbox-next { right: 16px; top: auto; bottom: 16px; }

/* 浮动 TabBar 模拟 */
.floating-tabbar { position: sticky; bottom: 12px; display: grid; grid-auto-flow: column; justify-content: center; gap: 10px; padding: 10px; pointer-events: none; }
.floating-tabbar .tab { pointer-events: auto; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); padding: 10px 16px; box-shadow: var(--shadow); font-weight: 700; color: var(--text-secondary); }
.floating-tabbar .tab.is-active { color: var(--ios-blue); box-shadow: 0 8px 20px rgba(10,132,255,.18); }

/* 详情页 */
.product-header { display: grid; grid-template-columns: 72px 1fr auto; gap: 12px; align-items: center; margin: 10px 20px 8px 20px; }
.product-icon { width: 72px; height: 72px; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.product-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-name { font-size: clamp(20px, 3.6vw, 26px); font-weight: 800; }
.product-sub { color: var(--text-secondary); }
.product-rating { color: var(--text-secondary); font-weight: 700; }
.product-cta { display: inline-block; padding: 10px 16px; border-radius: 999px; background: color-mix(in srgb, var(--ios-blue) 92%, white 8%); color: #fff; font-weight: 800; text-decoration: none; }

.shots { display: grid; grid-auto-flow: column; grid-auto-columns: 72%; gap: 12px; overflow-x: auto; padding: 6px 4px 2px; scroll-snap-type: x mandatory; }
.product-section { margin: 6px 20px 14px 20px; }
.product-desc { white-space: pre-wrap; color: var(--text-secondary); }

/* 详情页 Hero 横幅与圆形按钮 */
.detail-hero { position: relative; height: clamp(200px, 40vw, 300px); border-radius: 0; overflow: hidden; background-size: cover; background-position: center; box-shadow: none; width: 100vw; margin-left: calc(-50vw + 50%); }
.detail-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.12) 0, rgba(0,0,0,.45) 70%, rgba(0,0,0,.65) 100%); }
.hero-actions { position: absolute; inset: 12px 12px auto 12px; display: flex; justify-content: space-between; align-items: center; z-index: 1; }
.circle-btn { width: 40px; height: 40px; border-radius: 999px; border: 1px solid rgba(255,255,255,.2); color: #fff; display: grid; place-items: center; background: rgba(0,0,0,.35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* 四栏统计 */
.meta-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0 20px 20px 20px; background: var(--border); border-radius: 12px; overflow: hidden; }
.meta-cell { background: var(--surface); padding: 12px 8px; text-align: center; }
.meta-cell .val { font-size: 16px; font-weight: 700; line-height: 1.2; }
.meta-cell .lab { font-size: 11px; color: var(--text-secondary); margin-top: 2px; line-height: 1.3; }

/* 粘性操作条（小标题+获取） */
.sticky-cta { position: sticky; top: calc(env(safe-area-inset-top) + 64px); z-index: 12; backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); background: color-mix(in srgb, var(--surface) 95%, transparent); border-bottom: 1px solid var(--border); padding: 10px 20px; display: grid; grid-template-columns: 50px 1fr auto; gap: 12px; align-items: center; width: 100vw; margin-left: calc(-50vw + 50%); margin-bottom: 16px; }
.sticky-cta .mini-icon { width: 50px; height: 50px; border-radius: 12px; overflow: hidden; }
.sticky-cta .mini-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sticky-cta .mini-name { font-weight: 800; font-size: 18px; }
.sticky-cta .mini-btn { padding: 8px 16px; border-radius: 999px; background: color-mix(in srgb, var(--ios-blue) 92%, white 8%); color: #fff; font-weight: 800; text-decoration: none; }

/* 简介折叠 */
.desc-collapsed { max-height: 8.6em; overflow: hidden; }
.more-link { color: var(--ios-blue); font-weight: 800; cursor: pointer; }

/* 底部信任与行动条 */
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 20px 8px 20px; }
.trust-item { display: grid; grid-auto-flow: column; align-items: center; justify-content: center; gap: 8px; padding: 10px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); color: var(--text-secondary); font-weight: 700; }
.bottom-cta { position: sticky; bottom: 8px; z-index: 9; margin: 0 20px; padding-bottom: calc(env(safe-area-inset-bottom)); }
.bottom-cta-inner { display: grid; grid-auto-flow: column; justify-content: center; gap: 8px; align-items: center; backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); background: color-mix(in srgb, var(--surface) 94%, transparent); border: 1px solid var(--border); border-radius: 14px; padding: 8px 10px; box-shadow: 0 8px 20px rgba(0,0,0,.06); margin: 0 auto; }
.bottom-cta .cta-btn { padding: 8px 12px; border-radius: 12px; background: transparent; border: 1px solid color-mix(in srgb, var(--ios-blue) 70%, var(--border) 30%); color: color-mix(in srgb, var(--ios-blue) 85%, #1a1a1a 15%); font-weight: 700; text-decoration: none; }
.bottom-cta .cta-btn .btn-icon { margin-right: 4px; }
.bottom-cta .cta-btn .cta-label { letter-spacing: 0.2px; }
.bottom-cta .cta-btn.wechat { background: linear-gradient(180deg, #19d16f, #07c160); color: #fff; border: none; box-shadow: 0 6px 14px rgba(7,193,96,.24); }
.bottom-cta .cta-btn.primary { background: linear-gradient(180deg, #4da6ff, #0a84ff); color: #fff; border: none; box-shadow: 0 6px 14px rgba(10,132,255,.26); }

/* 移动端优化：减小底部按钮尺寸 */
@media (max-width: 768px) {
  .bottom-cta-inner { gap: 4px; padding: 4px 6px; border-radius: 10px; }
  .bottom-cta .cta-btn { padding: 5px 8px; font-size: 13px; border-radius: 8px; }
  .bottom-cta .cta-btn .btn-icon { margin-right: 2px; font-size: 13px; }
  .bottom-cta .cta-btn .cta-label { letter-spacing: 0.1px; }
  .bottom-cta { margin: 0 8px; }
}

/* 客服服务范围 chips */
.service-scope { margin: 8px 20px 12px 20px; }
.service-scope .chips { display: grid; grid-auto-flow: column; grid-auto-columns: max-content; gap: 8px; overflow-x: auto; padding: 6px 2px; }
.chip { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary); font-weight: 700; white-space: nowrap; }
.service-title { margin: 0 0 4px 0; color: var(--text-secondary); font-weight: 800; }

/* 音乐播放器样式 */
.music-player {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
  margin-top: 10px;
}

.music-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

#playPauseBtn {
  display: flex;
  align-items: center;
  gap: 8px;
}

.volume-control {
  display: flex;
  align-items: center;
  margin-left: 20px;
}

.music-info {
  text-align: center;
  margin-top: 10px;
  color: var(--text-secondary);
}