/* CFP.CN 网站样式文件 - 高保真设计 */

/* 设计系统变量 */
:root {
  --color-primary: #E53935;
  --color-primary-hover: #C62828;
  --color-secondary: #64748B;
  --color-dark: #1E293B;
  --color-light: #F8FAFC;
  --color-accent: #FF9800;
  --bg-light: #F8F9FA;
  --bg-header: #FFFFFF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
}

/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 布局样式 */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow: hidden;
}

/* 顶部导航栏样式 */
.top-nav {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 12px 16px;
  max-width: 100%;
  margin: 0 auto;
  width: 100%;
}

.logo-container .logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.main-nav {
  margin-left: 30px;
}

.main-nav .nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.main-nav .nav-menu li a {
  text-decoration: none;
  color: var(--color-dark);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav .nav-menu li a:hover {
  color: var(--color-primary);
}

.main-nav .nav-menu li a .fa-chevron-down {
  font-size: 10px;
  margin-left: 2px;
}

.nav-tag {
  background-color: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  margin-left: 4px;
  line-height: 1;
}

.nav-actions {
  display: flex;
  gap: 12px;
  margin-left: auto;
}

.nav-actions .nav-action {
  text-decoration: none;
  color: var(--color-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-actions .nav-action:hover {
  color: var(--color-primary);
}

.nav-actions .nav-action i {
  font-size: 14px;
}

/* 搜索区域样式 */
.search-area {
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  padding: 32px 24px;
  border-bottom: 1px solid var(--border-color);
}

.search-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 760px;
  margin: 0 auto 20px;
}

.search-container {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex: 1;
}

.search-input {
  width: 100%;
  padding: 14px 80px 14px 20px;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  font-size: 15px;
  background-color: var(--bg-header);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(229, 57, 53, 0.1);
}

.search-icons {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-tool-link {
  font-size: 13px;
  color: var(--color-primary);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  white-space: nowrap;
  vertical-align: middle;
}

.search-tool-link:hover {
  background-color: var(--color-primary);
  color: white;
}

.search-icon {
  background: none;
  border: none;
  color: var(--color-secondary);
  cursor: pointer;
  font-size: 18px;
  padding: 10px;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.search-icon:hover {
  background-color: rgba(229, 57, 53, 0.1);
  color: var(--color-primary);
}

#search-button {
  background-color: var(--color-primary);
  color: white;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.hot-tags {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hot-tag-label {
  font-size: 13px;
  color: var(--color-secondary);
  font-weight: 500;
}

.hot-tag {
  font-size: 13px;
  color: var(--color-dark);
  text-decoration: none;
  padding: 4px 12px;
  background-color: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

.hot-tag:hover {
  background-color: var(--color-primary);
  color: white;
}

.ai-agent-tags {
  max-width: 760px;
  margin: 8px auto 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.agent-label {
  font-size: 13px;
  color: var(--color-secondary);
  font-weight: 500;
}

.agent-tag {
  font-size: 13px;
  color: var(--color-primary);
  text-decoration: none;
  padding: 4px 12px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

.agent-tag:hover {
  background-color: var(--color-primary);
  color: white;
}

/* 智能文配图入口横幅样式 */
.ai-image-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 40px 24px;
  margin: 0;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.ai-image-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.1"%3E%3Ccircle cx="30" cy="30" r="4"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  z-index: 1;
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  gap: 40px;
}

.banner-text {
  flex: 1;
  color: white;
}

.banner-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.2;
}

.banner-description {
  font-size: 16px;
  margin-bottom: 24px;
  opacity: 0.9;
  line-height: 1.5;
}

.banner-btn {
  display: inline-block;
  background-color: white;
  color: #667eea;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.banner-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #5a6fd8;
}

.banner-visual {
  font-size: 80px;
  color: rgba(255, 255, 255, 0.8);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .banner-content {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  
  .banner-title {
    font-size: 24px;
  }
  
  .banner-visual {
    font-size: 60px;
  }
}

/* 分类导航栏样式 */
.category-nav {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
  box-shadow: var(--shadow-sm);
}

.category-menu {
  display: flex;
  list-style: none;
  gap: 2px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: center;
}

.category-menu::-webkit-scrollbar {
  display: none;
}

.category-item {
  text-decoration: none;
  color: var(--color-dark);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  padding: 16px 14px;
  position: relative;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.category-item i {
  font-size: 12px;
}

.category-item:hover {
  color: var(--color-primary);
}

.category-item.active {
  color: var(--color-primary);
  font-weight: 600;
}

.category-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px 3px 0 0;
}

.category-tool {
  color: var(--color-primary);
  font-weight: 600;
}

/* 主内容区域样式 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content-area {
  flex: 1;
  padding: 32px 24px;
  overflow-y: auto;
  max-width: 100%;
  margin: 0 auto;
  width: 100%;
}

/* 主要新闻图片部分 */
.main-news {
  margin-bottom: 48px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.news-item {
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.news-item:hover {
  transform: translateY(-4px);
}

.news-item .image-wrapper {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.news-item:hover .image-wrapper {
  box-shadow: var(--shadow-lg);
}

.image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.news-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-item:hover .news-image {
  transform: scale(1.05);
}

.news-info {
  padding: 16px;
}

.news-date {
  font-size: 12px;
  color: var(--color-secondary);
  margin-bottom: 8px;
  display: block;
  font-weight: 500;
}

.news-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 最新内容部分 */
.latest-content {
  margin-bottom: 48px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 24px;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.latest-item {
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.latest-item:hover {
  transform: translateY(-4px);
}

.latest-item .image-wrapper {
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.latest-item:hover .image-wrapper {
  box-shadow: var(--shadow-lg);
}

.latest-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.latest-item:hover .latest-image {
  transform: scale(1.05);
}

.latest-info {
  padding: 16px;
}

.latest-date {
  font-size: 12px;
  color: var(--color-secondary);
  margin-bottom: 8px;
  display: block;
  font-weight: 500;
}

.latest-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.latest-stats {
  font-size: 13px;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.view-count::before {
  content: '\f06e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 400;
  margin-right: 4px;
}

/* 更多新闻图片部分 */
.more-news {
  margin-bottom: 48px;
}

.more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.more-item {
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.more-item:hover {
  transform: translateY(-4px);
}

.more-item .image-wrapper {
  aspect-ratio: 16/11;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.more-item:hover .image-wrapper {
  box-shadow: var(--shadow-lg);
}

.more-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.more-item:hover .more-image {
  transform: scale(1.05);
}

.more-info {
  padding: 16px;
}

.more-date {
  font-size: 12px;
  color: var(--color-secondary);
  margin-bottom: 8px;
  display: block;
  font-weight: 500;
}

.more-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.view-more-container {
  text-align: center;
  margin-top: 32px;
}

.view-more-btn {
  background-color: var(--bg-header);
  color: var(--color-dark);
  border: 2px solid var(--border-color);
  padding: 14px 48px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-more-btn:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* 页脚样式 */
.footer {
  background-color: var(--bg-header);
  border-top: 1px solid var(--border-color);
  padding: 40px 0 24px;
  margin-top: auto;
}

.footer-content {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-links {
  display: flex;
  gap: 32px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-link {
  text-decoration: none;
  color: var(--color-dark);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.footer-info {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.footer-contact {
  font-size: 13px;
  color: var(--color-secondary);
  margin-bottom: 8px;
  line-height: 1.8;
}

.footer-address {
  font-size: 13px;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.customer-service-btn {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.customer-service-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.footer-copyright {
  font-size: 13px;
  color: var(--color-secondary);
  text-align: center;
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-4px);
}

/* 通知样式 */
.notification {
  position: fixed;
  top: 24px;
  right: 24px;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  max-width: 400px;
  transform: translateX(0);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.notification-info {
  background-color: #EFF6FF;
  color: #1E40AF;
  border: 1px solid #BFDBFE;
}

.notification-error {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

.notification-success {
  background-color: #F0FDF4;
  color: #166534;
  border: 1px solid #BBF7D0;
}

/* 图片懒加载样式 */
img[loading="lazy"] {
  background: linear-gradient(110deg, #ececec 8%, #f5f5f5 18%, #ececec 33%);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

@keyframes shimmer {
  to {
    background-position-x: -200%;
  }
}

img[loading="lazy"].lazy-loaded {
  animation: none;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .latest-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .more-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  .main-nav .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .search-area {
    padding: 24px 16px;
  }
  .search-container {
    max-width: 100%;
  }
  .category-menu {
    gap: 0;
    padding: 0 16px;
  }
  .category-item {
    padding: 12px 12px;
    font-size: 13px;
  }
  .content-area {
    padding: 24px 16px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .latest-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .more-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-links {
    justify-content: center;
    gap: 20px;
  }
  .footer-info {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
  .nav-actions {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .hot-tags {
    justify-content: center;
  }
  .section-title {
    font-size: 20px;
  }
}