/* Base Styles */
:root {
  --primary-color: #FF3E6C;
  --secondary-color: #0891B2;
  --dark-color: #333333;
  --light-color: #F9FAFB;
  --gray-color: #6B7280;
  --gray-light: #E5E7EB;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--dark-color);
  background-color: #ffffff;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  font-family: inherit;
}

input {
  font-family: inherit;
  border: none;
  outline: none;
}

/* Header Styles */
#site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  height: 80px;
}

.logo a {
  display: flex;
  align-items: center;
}

.logo h1 {
  font-size: 28px;
  font-weight: 700;
}

.highlight {
  color: var(--primary-color);
}

.main-nav ul {
  display: flex;
  gap: 24px;
}

.main-nav ul li a {
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.main-nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
  width: 100%;
}

.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--light-color);
  border-radius: 40px;
  padding: 8px 16px;
  width: 240px;
}

.search-bar input {
  background: transparent;
  width: 100%;
  font-size: 14px;
}

.search-bar button {
  color: var(--gray-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle {
  display: none;
  font-size: 24px;
  color: var(--dark-color);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  padding: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 999;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.mobile-nav.active {
  transform: translateY(0);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav ul li a {
  display: block;
  padding: 8px 0;
  font-weight: 500;
}

.mobile-search {
  margin-top: 16px;
  display: flex;
  align-items: center;
  background-color: var(--light-color);
  border-radius: 40px;
  padding: 8px 16px;
}

.mobile-search input {
  background: transparent;
  width: 100%;
  font-size: 14px;
}

.mobile-search button {
  color: var(--gray-color);
}

/* Hero Section */
.hero-section {
  padding: 24px 0;
}

.hero-slider {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 500px;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 32px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: #ffffff;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.slide-content .tag {
  display: inline-block;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 14px;
  margin-bottom: 12px;
}

.slide-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.slide-content p {
  font-size: 16px;
  margin-bottom: 16px;
  opacity: 0.9;
}

.read-more {
  color: #ffffff;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
}

.read-more i {
  margin-left: 8px;
  transition: var(--transition);
}

.read-more:hover i {
  transform: translateX(4px);
}

.slider-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.control.active {
  background-color: #ffffff;
  transform: scale(1.2);
}

/* Section Styles */
section {
  padding: 48px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 24px;
  font-weight: 700;
  position: relative;
  padding-left: 16px;
}

.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.view-all {
  color: var(--gray-color);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.view-all i {
  margin-left: 4px;
  transition: var(--transition);
}

.view-all:hover {
  color: var(--primary-color);
}

.view-all:hover i {
  transform: translateX(4px);
}

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

.news-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card-image {
  position: relative;
  height: 180px;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-image .tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
}

.card-content {
  padding: 16px;
}

.card-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-content p {
  color: var(--gray-color);
  font-size: 14px;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  gap: 16px;
  color: var(--gray-color);
  font-size: 12px;
}

.card-meta span {
  display: flex;
  align-items: center;
}

.card-meta i {
  margin-right: 4px;
}

/* Celebrity Section */
.celebrity-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.celebrity-item {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.celebrity-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.celebrity-image {
  height: 220px;
}

.celebrity-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.celebrity-info {
  padding: 16px;
}

.celebrity-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.celebrity-info p {
  color: var(--gray-color);
  font-size: 14px;
}

/* Trending Topics */
.topics-container {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 16px;
}

.topic-item {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--gray-light);
  transition: var(--transition);
}

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

.topic-item:hover {
  background-color: var(--light-color);
}

.topic-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  opacity: 0.7;
  margin-right: 16px;
  min-width: 40px;
}

.topic-content {
  flex: 1;
}

.topic-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.topic-meta {
  display: flex;
  gap: 16px;
  color: var(--gray-color);
  font-size: 12px;
}

.topic-meta span {
  display: flex;
  align-items: center;
}

.topic-meta i {
  margin-right: 4px;
}

.topic-meta .hot {
  color: var(--primary-color);
}

/* Video Section */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.video-thumbnail {
  position: relative;
  height: 200px;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 18px;
  opacity: 0;
  transition: var(--transition);
}

.video-thumbnail:hover .play-button {
  opacity: 1;
  background-color: var(--primary-color);
}

.video-info {
  padding: 16px;
}

.video-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.video-meta {
  display: flex;
  justify-content: space-between;
  color: var(--gray-color);
  font-size: 12px;
}

.video-meta span {
  display: flex;
  align-items: center;
}

.video-meta i {
  margin-right: 4px;
}

/* Gossip Section */
.gossip-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.gossip-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.gossip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.gossip-card.featured .card-image {
  height: 300px;
}

.gossip-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gossip-card.small {
  display: flex;
  height: 120px;
}

.gossip-card.small .card-image {
  width: 120px;
  height: 100%;
}

.gossip-card.small .card-content {
  flex: 1;
}

.gossip-card.small .card-content h3 {
  font-size: 16px;
}

/* Subscription Section */
.subscription-section {
  background-color: var(--secondary-color);
  color: #ffffff;
}

.subscription-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 48px 0;
}

.subscription-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subscription-content p {
  font-size: 16px;
  opacity: 0.9;
}

.subscription-form {
  display: flex;
  max-width: 480px;
  width: 100%;
}

.subscription-form input {
  flex: 1;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px 0 0 4px;
  padding: 12px 16px;
  color: #ffffff;
}

.subscription-form input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.subscription-form button {
  background-color: #ffffff;
  color: var(--secondary-color);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 0 4px 4px 0;
  transition: var(--transition);
}

.subscription-form button:hover {
  background-color: var(--primary-color);
  color: #ffffff;
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: #ffffff;
  padding: 48px 0 24px;
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-logo h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-logo p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 18px;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

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

.link-group h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.9);
}

.link-group ul li {
  margin-bottom: 8px;
}

.link-group ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.link-group ul li a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.copyright {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

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

#back-to-top:hover {
  transform: translateY(-5px);
}

/* Media Queries */
@media (max-width: 1199px) {
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-slide img {
    height: 450px;
  }
}

@media (max-width: 991px) {
  .main-nav {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .header-container {
    height: 70px;
  }
  
  .mobile-nav {
    top: 70px;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .celebrity-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gossip-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .gossip-sidebar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  
  .subscription-container {
    flex-direction: column;
    align-items: flex-start;
    text-align: center;
  }
  
  .subscription-content {
    text-align: center;
    margin-bottom: 24px;
    width: 100%;
  }
  
  .subscription-form {
    width: 100%;
    max-width: 100%;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .header-container {
    padding: 12px;
  }
  
  .search-bar {
    display: none;
  }
  
  .hero-slider {
    height: 400px;
  }
  
  .slide-content {
    padding: 24px 16px;
  }
  
  .slide-content h2 {
    font-size: 24px;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .celebrity-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .video-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .gossip-sidebar {
    grid-template-columns: 1fr;
  }
  
  .gossip-card.small {
    height: auto;
    flex-direction: column;
  }
  
  .gossip-card.small .card-image {
    width: 100%;
    height: 180px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575px) {
  .logo h1 {
    font-size: 24px;
  }
  
  .hero-slider {
    height: 350px;
  }
  
  .slide-content h2 {
    font-size: 20px;
  }
  
  .slide-content p {
    font-size: 14px;
  }
  
  .section-header h2 {
    font-size: 20px;
  }
  
  .card-content h3 {
    font-size: 16px;
  }
}