@charset "utf-8";
/*
 * 帝国CMS下载站模板 - 公共样式
 * 配色：灰白蓝
 * 风格：简洁
 */

:root {
  --color-primary: #2b7cd3;        /* 主蓝 */
  --color-primary-dark: #1f5fa8;   /* 深蓝 */
  --color-primary-light: #e8f1fb;  /* 浅蓝背景 */
  --color-bg: #f5f7fa;             /* 页面灰底 */
  --color-card: #ffffff;           /* 卡片白 */
  --color-border: #e6eaef;         /* 边框灰 */
  --color-text: #2c3338;           /* 主文字 */
  --color-text-light: #6b7480;     /* 次文字 */
  --color-text-muted: #9aa3ad;     /* 弱文字 */
  --color-success: #38b46d;        /* 推荐绿 */
  --color-hot: #f0643a;            /* 热门橙 */
  --radius: 6px;
  --shadow: 0 1px 3px rgba(43, 124, 211, 0.04);
  --shadow-hover: 0 4px 14px rgba(43, 124, 211, 0.12);
}

/* ============ 基础 ============ */
html { box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main,
body > .container + .footer,
body > .friend-link + .footer { flex-shrink: 0; }
body > .container { flex: 1 0 auto; }

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color .2s;
}
a:hover { color: var(--color-primary); }

.text-primary { color: var(--color-primary) !important; }

/* ============ 顶部导航 ============ */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-light);
}
.topbar a { color: var(--color-text-light); }
.topbar a:hover { color: var(--color-primary); }

.navbar-main {
  background: #fff;
  border-bottom: 2px solid var(--color-primary);
  box-shadow: var(--shadow);
}
.navbar-main .navbar-brand {
  font-weight: bold;
  font-size: 22px;
  color: var(--color-primary);
  letter-spacing: 1px;
}
.navbar-main .navbar-brand .logo-sub {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: normal;
  margin-left: 6px;
  letter-spacing: 0;
}
.navbar-main .nav-link {
  color: var(--color-text);
  font-size: 15px;
  padding: 14px 18px !important;
  border-bottom: 2px solid transparent;
  transition: all .2s;
}
.navbar-main .nav-link:hover,
.navbar-main .nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.nav-search .form-control {
  border-radius: 4px 0 0 4px;
  border-color: var(--color-border);
}
.nav-search .btn {
  border-radius: 0 4px 4px 0;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* ============ 通用卡片 ============ */
.card-box {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
}
.card-head h3 {
  font-size: 16px;
  font-weight: bold;
  margin: 0;
  padding-left: 10px;
  border-left: 3px solid var(--color-primary);
  line-height: 1;
}
.card-head .more {
  font-size: 12px;
  color: var(--color-text-muted);
}
.card-body { padding: 16px 18px; }

/* ============ 列表项（卡片型） ============ */
.app-item {
  display: flex;
  padding: 14px;
  border-bottom: 1px solid var(--color-border);
  transition: background .2s;
}
.app-item:last-child { border-bottom: none; }
.app-item:hover { background: var(--color-primary-light); }
.app-item .app-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: #f0f3f7;
}
.app-item .app-info {
  flex: 1;
  margin-left: 14px;
  min-width: 0;
}
.app-item .app-name {
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 4px;
}
.app-item .app-name .badge {
  font-size: 11px;
  font-weight: normal;
  margin-left: 6px;
  vertical-align: middle;
}
.app-item .app-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.app-item .app-desc {
  font-size: 12px;
  color: var(--color-text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.app-item .app-btn {
  align-self: center;
  margin-left: 10px;
}
.btn-download {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 4px;
}
.btn-download:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

/* ============ 网格卡片 ============ */
.grid-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .2s;
  height: 100%;
}
.grid-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.grid-card .thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #f0f3f7;
  overflow: hidden;
}
.grid-card .thumb img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.grid-card .thumb .tag {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
}
.grid-card .thumb .tag.hot { background: var(--color-hot); }
.grid-card .info { padding: 10px 12px; }
.grid-card .info .title {
  font-size: 14px;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.grid-card .info .meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ============ 文章列表 ============ */
.article-list .article-item {
  padding: 16px 0;
  border-bottom: 1px dashed var(--color-border);
}
.article-list .article-item:last-child { border-bottom: none; }
.article-list .article-item h4 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 8px;
}
.article-list .article-item .excerpt {
  color: var(--color-text-light);
  font-size: 13px;
  margin-bottom: 8px;
}
.article-list .article-item .meta {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ============ 详情页 ============ */
.detail-header {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.detail-header .app-icon-lg {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: #f0f3f7;
}
.detail-header .app-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 8px;
}
.detail-info-table {
  width: 100%;
  font-size: 13px;
}
.detail-info-table td {
  padding: 6px 0;
  color: var(--color-text-light);
}
.detail-info-table td.label {
  width: 80px;
  color: var(--color-text-muted);
}
.detail-section {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.detail-section h3 {
  font-size: 16px;
  font-weight: bold;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-left: 10px;
  border-left: 3px solid var(--color-primary);
  line-height: 1;
}
.detail-content {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text);
}
.detail-content p { margin-bottom: 12px; }
.detail-content img { max-width: 100%; height: auto; margin: 10px 0; border-radius: var(--radius); }
.detail-content h4 { font-size: 16px; margin: 18px 0 10px; font-weight: bold; }

.screenshot-list img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 10px;
}

/* ============ 下载按钮区 ============ */
.download-box {
  background: var(--color-primary-light);
  border: 1px solid #c5dcef;
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.download-box .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  padding: 10px 36px;
  font-size: 15px;
  font-weight: bold;
}
.download-box .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* ============ 侧边栏 ============ */
.sidebar .card-box { margin-bottom: 18px; }
.rank-list .rank-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.rank-list .rank-item:last-child { border-bottom: none; }
.rank-list .rank-num {
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  background: var(--color-text-muted);
  color: #fff;
  font-size: 12px;
  border-radius: 3px;
  margin-right: 10px;
  flex-shrink: 0;
}
.rank-list .rank-item:nth-child(1) .rank-num { background: var(--color-hot); }
.rank-list .rank-item:nth-child(2) .rank-num { background: #f5a623; }
.rank-list .rank-item:nth-child(3) .rank-num { background: var(--color-primary); }
.rank-list .rank-name {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rank-list .rank-count {
  font-size: 12px;
  color: var(--color-text-muted);
}

.tag-cloud a {
  display: inline-block;
  margin: 0 6px 8px 0;
  padding: 4px 10px;
  background: #f0f3f7;
  border-radius: 3px;
  font-size: 12px;
  color: var(--color-text-light);
}
.tag-cloud a:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ============ 面包屑 ============ */
.breadcrumb-bar {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 18px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.breadcrumb-bar a { color: var(--color-text-light); }
.breadcrumb-bar a:hover { color: var(--color-primary); }
.breadcrumb-bar .sep { margin: 0 8px; color: var(--color-border); }

/* ============ 分页 ============ */
.pagination-bar {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
.pagination-bar .pagination .page-link {
  color: var(--color-text);
  border-color: var(--color-border);
  margin: 0 3px;
  border-radius: 4px !important;
}
.pagination-bar .pagination .page-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.pagination-bar .pagination .active .page-link {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ============ 专题 ============ */
.topic-card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.topic-card img { width: 100%; display: block; transition: transform .3s; }
.topic-card:hover img { transform: scale(1.05); }
.topic-card .mask {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  color: #fff;
  padding: 30px 20px 16px;
}
.topic-card .mask h4 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 4px;
}
.topic-card .mask p {
  font-size: 12px;
  margin: 0;
  opacity: .85;
}

/* ============ 幻灯片 ============ */
.home-banner {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.home-banner .carousel-item img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.home-banner .carousel-caption {
  background: rgba(0,0,0,.45);
  left: 0; right: 0; bottom: 0;
  padding: 16px 20px;
  text-align: left;
}
.home-banner .carousel-caption h5 { font-weight: bold; }

/* ============ 友情链接 ============ */
.friend-link {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 13px;
}
.friend-link a,
.friend-link .friend-link-item {
  display: inline-block;
  margin-right: 14px;
  margin-bottom: 6px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============ 底部 ============ */
.footer {
  background: #2c3338;
  color: #9aa3ad;
  padding: 30px 0 20px;
  margin-top: 30px;
  font-size: 13px;
}
.footer a { color: #9aa3ad; }
.footer a:hover { color: #fff; }
.footer .footer-nav { margin-bottom: 12px; }
.footer .footer-nav a { margin: 0 10px; }
.footer .copyright { border-top: 1px solid #404750; padding-top: 16px; margin-top: 16px; text-align: center; color: #6b7480; }

/* ============ 通用辅助 ============ */
.section-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 16px;
  padding-left: 10px;
  border-left: 4px solid var(--color-primary);
  line-height: 1;
}
.badge-soft-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: normal;
}
.empty-box {
  padding: 40px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ============ 封面模板 ============ */
.cover-banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  min-height: 160px;
  display: flex;
  align-items: center;
}
.cover-banner .cover-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
}
.cover-banner .cover-inner {
  position: relative;
  z-index: 2;
  padding: 28px 30px;
  color: #fff;
  width: 100%;
}
.cover-banner .cover-title {
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 8px;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.cover-banner .cover-desc {
  font-size: 13px;
  opacity: .92;
  max-width: 720px;
  line-height: 1.7;
}
.cover-banner .cover-stats {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 12px;
  opacity: .9;
}
.cover-banner .cover-stats span i { margin-right: 4px; }

/* 子分类卡片导航 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 10px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all .2s;
}
.category-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.category-card .cat-icon {
  width: 44px;
  height: 44px;
  line-height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 20px;
  margin-bottom: 8px;
  transition: all .2s;
}
.category-card:hover .cat-icon {
  background: var(--color-primary);
  color: #fff;
}
.category-card .cat-name {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-text);
  margin-bottom: 2px;
}
.category-card .cat-count {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* 封面响应式 */
@media (max-width: 575.98px) {
  .cover-banner { min-height: 120px; }
  .cover-banner .cover-inner { padding: 18px 16px; }
  .cover-banner .cover-title { font-size: 20px; margin-bottom: 6px; }
  .cover-banner .cover-desc { font-size: 12px; }
  .cover-banner .cover-stats { gap: 12px; margin-top: 10px; }
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; }
  .category-card { padding: 14px 6px; }
  .category-card .cat-icon { width: 38px; height: 38px; line-height: 38px; font-size: 17px; }
  .category-card .cat-name { font-size: 13px; }
}
@media (min-width: 576px) and (max-width: 991.98px) {
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}

/* ========================================================================
 *                            响应式断点
 *  Bootstrap 5 断点参考：
 *   - xs: <576px   (Extra small - 手机竖屏)
 *   - sm: ≥576px   (Small     - 手机横屏)
 *   - md: ≥768px   (Medium    - 平板)
 *   - lg: ≥992px   (Large     - 桌面)
 *   - xl: ≥1200px  (Extra large)
 * ======================================================================== */

/* 1. <576px - 手机竖屏 */
@media (max-width: 575.98px) {
  body { font-size: 13px; line-height: 1.55; }

  .topbar { font-size: 11px; }
  .topbar .d-flex { flex-wrap: wrap; gap: 4px 10px; justify-content: space-between; }
  .topbar > .container > div:first-child { width: 100%; text-align: center; border-bottom: 1px solid var(--color-border); padding-bottom: 4px; margin-bottom: 4px; }

  .navbar-main .navbar-brand { font-size: 18px; }
  .navbar-main .navbar-brand .logo-sub { display: none; }
  .navbar-main .nav-link { padding: 10px 14px !important; font-size: 14px; border-bottom: 0; border-left: 3px solid transparent; border-bottom: 1px solid var(--color-border); }
  .navbar-main .nav-link:hover,
  .navbar-main .nav-link.active {
    background: var(--color-primary-light);
    border-bottom-color: var(--color-border);
    border-left-color: var(--color-primary);
  }
  .nav-search { margin-top: 8px; margin-bottom: 8px; }
  .nav-search .form-control { font-size: 13px; padding: 6px 10px; }

  .card-head { padding: 10px 14px; }
  .card-head h3 { font-size: 15px; padding-left: 8px; }
  .card-body { padding: 12px 14px; }
  .card-box { margin-bottom: 14px; }

  .detail-header { padding: 16px 14px; }
  .detail-header .app-icon-lg { width: 72px; height: 72px; border-radius: 12px; }
  .detail-header .app-title { font-size: 18px; margin-bottom: 6px; }
  .detail-info-table { font-size: 12px; }
  .detail-info-table td.label { width: 68px; }
  .detail-section { padding: 14px; margin-bottom: 14px; }
  .detail-section h3 { font-size: 15px; margin-bottom: 12px; padding-bottom: 10px; padding-left: 8px; border-left-width: 3px; }
  .detail-content { font-size: 13px; line-height: 1.8; }

  .app-item { flex-wrap: wrap; padding: 12px; }
  .app-item .app-icon { width: 52px; height: 52px; border-radius: 10px; }
  .app-item .app-info { margin-left: 10px; min-width: 0; flex: 1; margin-bottom: 8px; }
  .app-item .app-name { font-size: 14px; }
  .app-item .app-meta { font-size: 11px; }
  .app-item .app-desc { font-size: 11px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; white-space: normal; }
  .app-item .app-btn { margin-left: 0; width: 100%; }
  .app-item .app-btn .btn { width: 100%; }

  .grid-card .info { padding: 8px 10px; }
  .grid-card .info .title { font-size: 13px; }
  .grid-card .info .meta { font-size: 11px; margin-top: 2px; }

  .article-list .article-item { padding: 12px 0; }
  .article-list .article-item h4 { font-size: 14px; margin-bottom: 6px; }
  .article-list .article-item .excerpt { font-size: 12px; margin-bottom: 6px; }
  .article-list .article-item .meta { font-size: 11px; }
  .article-item.d-flex { flex-wrap: wrap; }
  .article-item.d-flex img { width: 100% !important; height: auto !important; margin: 0 0 10px !important; }

  .download-box { padding: 12px; }
  .download-box .btn-primary { padding: 9px 24px; font-size: 14px; width: 100%; }
  .btn-download { padding: 8px 20px; font-size: 13px; }

  .breadcrumb-bar { padding: 8px 14px; font-size: 12px; margin-bottom: 14px; overflow-x: auto; white-space: nowrap; }
  .breadcrumb-bar::-webkit-scrollbar { height: 0; }

  .pagination-bar { padding: 14px 0; }
  .pagination-bar .pagination .page-link { padding: 6px 10px; font-size: 13px; margin: 0 2px; }

  .section-title { font-size: 16px; margin-bottom: 12px; }

  .topic-card .mask h4 { font-size: 15px; }
  .topic-card .mask p { font-size: 11px; }
  .topic-card .mask { padding: 22px 14px 10px; }

  .home-banner .carousel-item img { height: 180px; }
  .home-banner .carousel-caption { padding: 10px 14px; }
  .home-banner .carousel-caption h5 { font-size: 14px; margin-bottom: 2px; }
  .home-banner .carousel-caption p { font-size: 12px; margin: 0; }
  .carousel-caption { display: block !important; }

  .friend-link { padding: 10px 14px; font-size: 12px; margin-bottom: 14px; }
  .friend-link a { margin-right: 10px; margin-bottom: 6px; }

  .footer { padding: 20px 0 16px; margin-top: 20px; font-size: 12px; }
  .footer .footer-nav a { display: inline-block; margin: 4px 8px; }
  .footer .copyright { padding-top: 12px; margin-top: 12px; font-size: 11px; }
  .footer .copyright p { margin-bottom: 6px; }

  .rank-list .rank-item { padding: 8px 0; }
  .rank-list .rank-name { font-size: 12px; }
  .rank-list .rank-count { font-size: 11px; }

  .tag-cloud a { margin: 0 4px 6px 0; padding: 4px 8px; font-size: 11px; }

  .empty-box { padding: 30px 10px; font-size: 12px; }
}

/* 2. 576px ~ 767px - 手机横屏 */
@media (min-width: 576px) and (max-width: 767.98px) {
  .card-head h3 { font-size: 15px; }
  .card-body { padding: 14px 16px; }

  .navbar-main .navbar-brand { font-size: 20px; }
  .navbar-main .navbar-brand .logo-sub { display: none; }
  .navbar-main .nav-link { padding: 11px 14px !important; font-size: 14px; border-bottom: 0; border-left: 3px solid transparent; border-bottom: 1px solid var(--color-border); }
  .navbar-main .nav-link:hover,
  .navbar-main .nav-link.active {
    background: var(--color-primary-light);
    border-bottom-color: var(--color-border);
    border-left-color: var(--color-primary);
  }
  .nav-search { margin-top: 8px; margin-bottom: 8px; }

  .home-banner .carousel-item img { height: 220px; }

  .detail-header { padding: 20px; }
  .detail-header .app-icon-lg { width: 84px; height: 84px; }
  .detail-header .app-title { font-size: 20px; }
  .detail-section { padding: 16px 18px; }

  .app-item .app-icon { width: 58px; height: 58px; border-radius: 11px; }

  .footer { font-size: 12px; }
}

/* 3. 768px ~ 991px - 平板 */
@media (min-width: 768px) and (max-width: 991.98px) {
  .navbar-main .navbar-brand { font-size: 20px; }
  .navbar-main .nav-link { padding: 12px 14px !important; font-size: 14px; }

  .home-banner .carousel-item img { height: 260px; }

  .detail-header { padding: 22px; }
  .detail-header .app-icon-lg { width: 88px; height: 88px; }
  .detail-header .app-title { font-size: 21px; }

  .app-item .app-icon { width: 60px; height: 60px; }

  .grid-card .info .title { font-size: 13px; }
  .grid-card .info .meta { font-size: 11px; }
}

/* 4. ≥992px - 桌面 */
@media (min-width: 992px) {
  .container { max-width: 1180px; }
}

/* 5. ≥1200px - 大屏 */
@media (min-width: 1200px) {
  .container { max-width: 1260px; }
  .home-banner .carousel-item img { height: 360px; }
}

/* 打印友好 */
@media print {
  .topbar, .navbar-main, .sidebar, .footer, .friend-link, .pagination-bar, .breadcrumb-bar, .download-box { display: none !important; }
  .detail-content { color: #000; font-size: 12pt; line-height: 1.6; }
}