/* 全局變量 */
:root {
  --color-primary: #1890ff;
  --color-secondary: #52c41a;
  --color-danger: #ff4d4f;
  --color-warning: #faad14;
  --color-text: #333;
  --color-text-light: #666;
  --color-text-lighter: #999;
  --color-bg: #fff;
  --color-bg-light: #f5f5f5;
  --color-border: #e8e8e8;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

/* 重置樣式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  line-height: 1.5;
  background-color: var(--color-bg-light);
}

/* 導航欄 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-item {
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-item:hover,
.nav-item.active {
  color: var(--color-primary);
  background: rgba(24, 144, 255, 0.1);
}

/* 搜索框 */
.search-box {
  margin-top: 80px;
  padding: var(--spacing-lg) 0;
  background: var(--color-bg);
}

.search-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.search-wrapper {
  position: relative;
  display: flex;
}

.search-input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.search-button {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-lighter);
  cursor: pointer;
  transition: var(--transition);
}

.search-button:hover {
  color: var(--color-primary);
}

/* 主內容區 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-lg);
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* 學校庫 */
.school-section {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  position: relative;
  padding-left: var(--spacing-md);
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 1rem;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.school-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.category-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
}

.category-item:hover {
  background: rgba(24, 144, 255, 0.1);
  transform: translateY(-2px);
}

.category-item i {
  font-size: 1.2rem;
  color: var(--color-primary);
}

.school-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.school-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.school-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.school-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.school-info {
  padding: var(--spacing-md);
}

.school-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.school-desc {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.school-meta {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-lighter);
  font-size: 0.9rem;
}

/* 新聞資訊 */
.news-section {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.news-tabs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.news-tab {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.news-tab:hover,
.news-tab.active {
  color: var(--color-primary);
}

.news-tab.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

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

.news-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px dashed var(--color-border);
}

.news-item:last-child {
  border-bottom: none;
}

.news-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}

.news-link:hover {
  color: var(--color-primary);
}

.news-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-time {
  color: var(--color-text-lighter);
  font-size: 0.9rem;
}

/* 論壇 */
.forum-section {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.forum-list {
  display: grid;
  gap: var(--spacing-md);
}

.forum-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.forum-item:hover {
  transform: translateX(5px);
  background: rgba(24, 144, 255, 0.1);
}

.forum-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
}

.forum-info {
  flex: 1;
}

.forum-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.forum-desc {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* 側邊欄 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.user-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.user-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  overflow: hidden;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.user-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.user-action {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
}

.user-action:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.ad-container {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.ad-placeholder {
  width: 100%;
  height: 250px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-lighter);
  border-radius: var(--radius-md);
}

/* 頁腳 */
.footer {
  background: var(--color-bg);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.copyright {
  color: var(--color-text-light);
}

.icp-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.icp-info img {
  height: 16px;
  width: auto;
}

.icp-info a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
}

/* 響應式設計 */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }

  .nav-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .school-list {
    grid-template-columns: 1fr;
  }

  .news-tabs {
    flex-wrap: wrap;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* 動畫效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-block {
  animation: fadeIn 0.5s ease-out;
}

/* 工具類 */
.text-center {
  text-align: center;
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}