/* ================= 汇率知识学习网 样式表（金融专业风格） ================= */

:root {
  --color-primary: #1e6fa9;       /* 金融蓝 */
  --color-primary-dark: #134e7c;
  --color-accent: #c79a3a;        /* 金融金 */
  --color-bg: #f6f8fa;            /* 浅冷灰背景 */
  --color-card: #ffffff;
  --color-text: #1a2a3a;
  --color-text-light: #5a6a78;
  --color-text-muted: #95a0a8;
  --color-border: #e3e8ee;
  --shadow-card: 0 1px 3px rgba(0,0,0,.04);
  --shadow-card-hover: 0 6px 18px rgba(20,80,140,.10);
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 14px;
}

a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--color-primary); }

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

/* === Container === */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === Top Header (简约) === */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 700;
  color: var(--color-text);
}
.brand-logo {
  width: 36px; height: 36px;
  background: var(--color-primary);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px; font-weight: 700;
}
.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--color-primary); }
.nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* === Search Hero === */
.search-hero {
  background: #fff;
  padding: 36px 0 28px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.search-hero h1 {
  font-size: 24px; font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.search-hero p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.search-form {
  max-width: 520px; margin: 0 auto;
  display: flex; gap: 8px;
}
.search-form input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--color-bg);
}
.search-form button {
  padding: 10px 24px;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
}
.search-tags {
  margin-top: 16px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.search-tags span {
  display: inline-block;
  margin: 0 4px;
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: all .15s;
}
.search-tags span:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* === Layout === */
.layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 30px;
  margin: 30px auto;
}

/* === Post Cards (Wind-Max 风格：圆形图 + 大标题 + 元信息) === */
.posts-list { display: flex; flex-direction: column; gap: 18px; }

.post-card {
  display: flex; gap: 18px;
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  transition: all .25s;
  cursor: pointer;
  border: 1px solid var(--color-border);
}
.post-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.post-thumb {
  width: 200px; height: 140px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #f0ece5;
  position: relative;
}
.post-thumb img {
  width: 100%; height: 100%; object-fit: cover;
}

.post-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.post-cat-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
}
.post-cat {
  background: var(--color-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
}
.post-time {
  color: var(--color-text-muted);
}
.post-title {
  font-size: 18px; font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--color-text);
}
.post-card:hover .post-title { color: var(--color-primary); }
.post-intro {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.7;
}
.post-meta-row {
  margin-top: auto;
  display: flex; align-items: center; gap: 14px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.meta-author {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--color-text-light);
}
.author-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 600;
}
.meta-stat {
  display: inline-flex; align-items: center; gap: 3px;
}
.meta-stat svg { width: 13px; height: 13px; opacity: .7; }

/* === Sidebar === */
.sidebar { display: flex; flex-direction: column; gap: 18px; }

.side-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.side-card h3 {
  font-size: 14px; font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.cat-list { list-style: none; }
.cat-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 13px;
  display: flex; justify-content: space-between;
  color: var(--color-text-light);
}
.cat-list li:last-child { border-bottom: 0; }
.cat-list li:hover { color: var(--color-primary); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-cloud span {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--color-bg);
  border-radius: 3px;
  color: var(--color-text-light);
  cursor: pointer;
}
.tag-cloud span:hover {
  background: var(--color-primary);
  color: #fff;
}

.hot-list { list-style: none; }
.hot-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 13px;
  display: flex; gap: 10px; align-items: center;
}
.hot-list li:last-child { border-bottom: 0; }
.hot-list .hot-num {
  width: 20px; height: 20px;
  background: var(--color-border);
  color: var(--color-text-light);
  font-size: 11px; font-weight: 700;
  text-align: center; line-height: 20px;
  border-radius: 3px;
  flex-shrink: 0;
}
.hot-list .hot-num.top { background: var(--color-primary); color: #fff; }

.recent-list { list-style: none; }
.recent-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  display: flex; gap: 8px;
  align-items: center;
}
.recent-list li:last-child { border-bottom: 0; }
.recent-list img {
  width: 48px; height: 48px;
  object-fit: cover; border-radius: 4px;
  flex-shrink: 0;
}
.recent-list .recent-title {
  font-size: 12px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* === Article Detail === */
.article-page {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.article-header {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: 28px;
}
.article-cat {
  display: inline-block;
  font-size: 12px;
  background: var(--color-primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 4px;
  margin-bottom: 14px;
  font-weight: 500;
}
.article-title {
  font-size: 28px; font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
}
.article-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap;
}
.article-cover {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 28px;
}
.article-content {
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
}
.article-content p { margin-bottom: 16px; }
.article-content h3 {
  font-size: 18px; font-weight: 700;
  margin: 28px 0 14px;
  color: var(--color-primary-dark);
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}
.article-content img {
  margin: 20px auto;
  border-radius: 6px;
  max-width: 100%;
}
.article-footer {
  margin-top: 40px; padding-top: 20px;
  border-top: 1px dashed var(--color-border);
}
.tag-row {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.tag-pill {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--color-bg);
  border-radius: 3px;
  color: var(--color-text-light);
}

/* === Pagination === */
.pagination {
  display: flex; gap: 8px; justify-content: center;
  margin: 32px 0 12px;
}
.pagination a, .pagination span {
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 13px;
  color: var(--color-text-light);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* === Footer === */
.site-footer {
  background: #2d2926;
  color: #a5a098;
  padding: 40px 20px 24px;
  margin-top: 60px;
  font-size: 13px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #a5a098; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  max-width: 1180px;
  margin: 18px auto 0;
  font-size: 12px;
  text-align: center;
  opacity: .7;
}
.footer-bottom a { color: #a5a098; }
.footer-bottom a:hover { color: #fff; }

/* === About Page === */
.about-page { max-width: 820px; margin: 30px auto; }
.about-banner {
  width: 100%; height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 30px;
}
.about-card {
  background: #fff;
  padding: 36px 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.about-card h2 {
  font-size: 22px; font-weight: 700;
  margin: 28px 0 14px;
  color: var(--color-primary-dark);
}
.about-card p { margin-bottom: 16px; line-height: 1.85; font-size: 15px; }

/* === Gallery === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 1/1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-border);
  position: relative;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-banner {
  width: 100%; height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 28px;
}

/* === Admin === */
.admin-bar {
  background: #2d2926;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
}
.tab-bar {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 24px;
}
.tab-bar button {
  padding: 10px 22px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: -2px;
}
.tab-bar button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}
.manage-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--color-border); }
.manage-table th { background: #faf8f4; text-align: left; padding: 12px 14px; font-size: 12px; color: var(--color-text-light); }
.manage-table td { padding: 14px; border-top: 1px solid var(--color-border); font-size: 13px; }
.manage-table img.thumb { width: 64px; height: 48px; object-fit: cover; border-radius: 4px; }
.manage-table .actions { display: flex; gap: 6px; }
.btn { display: inline-block; padding: 6px 14px; border-radius: 4px; font-size: 12px; cursor: pointer; border: 0; text-decoration: none; transition: all .2s; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-danger:hover { background: #c82333; }
.btn-outline { background: #fff; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.folder-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.folder-tabs button {
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.folder-tabs button.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.gallery-manage {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.gallery-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.gallery-card img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
}
.gallery-card .info { padding: 12px; }
.gallery-card .filename {
  font-size: 11px;
  color: var(--color-text-muted);
  word-break: break-all;
  margin-bottom: 8px;
}
.gallery-card .actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* === Responsive === */
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
  .post-card { flex-direction: column; }
  .post-thumb { width: 100%; height: 180px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .article-page { padding: 24px 18px; }
  .article-title { font-size: 22px; }
}