/* Ninethink Apps 展示站公共样式：无外部依赖，手机/桌面自适应 */

:root {
  --c-bg: #f7f8fa;
  --c-surface: #ffffff;
  --c-text: #1f2329;
  --c-text-muted: #646a73;
  --c-border: #e5e7eb;
  --c-primary: #2563eb;
  --c-primary-hover: #1d4ed8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

/* ── 头部 / 页脚 ── */

.site-header {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.brand {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a {
  color: var(--c-text-muted);
  font-size: 15px;
}

.site-nav a:hover {
  color: var(--c-text);
}

.site-footer {
  margin-top: auto;
  padding: 24px 0;
  border-top: 1px solid var(--c-border);
  color: var(--c-text-muted);
  font-size: 13px;
  text-align: center;
}

main.container {
  flex: 1;
  padding-top: 28px;
  padding-bottom: 48px;
}

.page-title {
  margin: 0 0 24px;
  font-size: 26px;
}

/* ── 首页卡片 ── */

.app-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.app-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.app-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.app-card a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 20px;
  color: inherit;
}

.app-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--c-bg);
}

.app-card__name {
  font-size: 17px;
  font-weight: 600;
}

.app-card__summary {
  color: var(--c-text-muted);
  font-size: 14px;
}

.empty-state {
  padding: 64px 0;
  text-align: center;
  color: var(--c-text-muted);
}

/* ── 详情页 ── */

.breadcrumb {
  margin-bottom: 16px;
  font-size: 14px;
}

.app-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.app-hero__icon {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  object-fit: cover;
  flex: none;
  background: var(--c-bg);
}

.app-hero__name {
  margin: 0 0 6px;
  font-size: 24px;
}

.app-hero__summary {
  margin: 0;
  color: var(--c-text-muted);
}

.app-section {
  margin-top: 32px;
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.app-section--meta {
  display: grid;
  gap: 24px;
}

.app-section__title {
  margin: 0 0 14px;
  font-size: 18px;
}

/* 平台下载块（票05） */

.platform-block + .platform-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--c-border);
}

.platform-block__name {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.changelog__heading {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-muted);
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.store-link {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
}

.store-link:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.changelog {
  margin-top: 16px;
}

.changelog__entry + .changelog__entry {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-border);
}

.changelog__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.changelog__version {
  font-weight: 600;
}

.changelog__date {
  color: var(--c-text-muted);
  font-size: 13px;
}

/* 截图画廊（票04）：原生滚动 + scroll-snap，触摸滑动不依赖 JS；按钮翻页见 showcase.js */

.gallery {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  /* 未溢出时居中展示；safe 保证溢出时回退 start，不裁切首图 */
  justify-content: safe center;
  -webkit-overflow-scrolling: touch;
  /* 触摸设备上隐藏原生滚动条，滑动体验更接近原生轮播 */
  scrollbar-width: none;
}

.gallery::-webkit-scrollbar {
  display: none;
}

.gallery__shot {
  height: 320px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  flex: none;
  scroll-snap-align: center;
}

.gallery-nav {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.gallery-nav__btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--c-border);
  border-radius: 50%;
  background: var(--c-surface);
  color: var(--c-text-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.gallery-nav__btn:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

/* Markdown 正文 */

.md-body {
  font-size: 15px;
  overflow-wrap: break-word;
}

.md-body h1,
.md-body h2,
.md-body h3,
.md-body h4 {
  margin: 1.2em 0 0.5em;
  line-height: 1.4;
}

.md-body h1:first-child,
.md-body h2:first-child,
.md-body h3:first-child {
  margin-top: 0;
}

.md-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
}

.md-body code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--c-bg);
  font-size: 0.9em;
}

.md-body pre {
  padding: 14px;
  border-radius: var(--radius-md);
  background: #0f172a;
  color: #e2e8f0;
  overflow-x: auto;
}

.md-body pre code {
  padding: 0;
  background: transparent;
}

.md-body blockquote {
  margin: 0.8em 0;
  padding: 0 0 0 14px;
  border-left: 3px solid var(--c-border);
  color: var(--c-text-muted);
}

.md-body table {
  border-collapse: collapse;
  width: 100%;
}

.md-body th,
.md-body td {
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  text-align: left;
}

/* 法律文档页（票06） */

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

.legal-page {
  padding: 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.legal-header h1 {
  margin: 0;
  font-size: 22px;
}

.legal-page__body {
  margin-top: 8px;
}

@media (max-width: 480px) {
  .legal-page {
    padding: 18px;
  }
}

/* 404 */

.not-found {
  padding: 72px 0;
  text-align: center;
}

.not-found__code {
  margin: 0;
  font-size: 64px;
  font-weight: 700;
  color: var(--c-border);
}

.not-found__message {
  margin: 8px 0 20px;
  color: var(--c-text-muted);
}

/* ── 移动端 ── */

@media (max-width: 480px) {
  .app-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .app-card a {
    padding: 14px;
  }

  .app-card__icon {
    width: 52px;
    height: 52px;
  }

  .app-card__name {
    font-size: 15px;
  }

  .app-card__summary {
    /* 一句话简介是卡片三要素之一（spec §2.2），移动端保留信息、只做两行截断 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .page-title {
    font-size: 21px;
    margin-bottom: 16px;
  }

  .app-hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
  }

  .app-hero__icon {
    width: 72px;
    height: 72px;
  }

  .app-hero__name {
    font-size: 20px;
  }

  .app-section {
    padding: 18px;
    margin-top: 20px;
  }

  .gallery__shot {
    height: 220px;
  }

  .store-link {
    flex: 1 1 100%;
    text-align: center;
  }
}