:root {
  --primary: #E91E63;
  --secondary: #2C3E50;
  --accent: #FF9800;
  --background: #0D0D1A;
  --surface: #16162A;
  --text: #FFFFFF;
  --text-light: #B0B0C0;
  --border: #2A2A4A;
  --gradient: linear-gradient(135deg, #E91E63, #FF9800);
}

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

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: linear-gradient(180deg, rgba(13, 13, 26, 0.98) 0%, rgba(13, 13, 26, 0.9) 100%);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
  position: relative;
}

nav a:hover {
  color: var(--text);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.hero {
  background: linear-gradient(135deg, rgba(233, 30, 99, 0.15) 0%, rgba(255, 152, 0, 0.1) 100%);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--gradient);
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(233, 30, 99, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.section {
  padding: 50px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
}

.section-title span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.card {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(233, 30, 99, 0.2);
}

.card-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  position: relative;
  overflow: hidden;
}

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

.card-image .badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 12px;
  background: rgba(233, 30, 99, 0.9);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.card-image .duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 5px;
  font-size: 12px;
}

.card-content {
  padding: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-meta .views {
  display: flex;
  align-items: center;
  gap: 5px;
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.featured-image {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.featured-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.featured-image .play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(233, 30, 99, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.featured-image .play-button:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 30px rgba(233, 30, 99, 0.6);
}

.featured-info h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

.featured-info p {
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.featured-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.featured-meta span {
  padding: 6px 15px;
  background: rgba(233, 30, 99, 0.2);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent);
}

.category-tabs {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 25px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-tab.active,
.category-tab:hover {
  background: var(--gradient);
  border-color: transparent;
}

.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.filter-bar select {
  padding: 10px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

.filter-bar select:focus {
  outline: none;
  border-color: var(--primary);
}

.creator-card {
  text-align: center;
}

.creator-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient);
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.creator-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 5px;
}

.creator-stats {
  font-size: 13px;
  color: var(--text-light);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 5px;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px;
  margin-bottom: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form textarea {
  height: 150px;
  resize: vertical;
}

.download-content {
  text-align: center;
}

.qr-code {
  width: 200px;
  height: 200px;
  background: white;
  border-radius: 20px;
  margin: 30px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
}

.download-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.video-player {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 30px;
}

.video-player video {
  width: 100%;
  height: auto;
}

.video-info {
  padding: 20px;
}

.video-info h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.video-meta {
  display: flex;
  gap: 20px;
  color: var(--text-light);
  font-size: 14px;
}

.comment-section {
  background: var(--surface);
  border-radius: 12px;
  padding: 20px;
}

.comment-input {
  width: 100%;
  padding: 15px;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  margin-bottom: 20px;
}

.comment-input:focus {
  outline: none;
  border-color: var(--primary);
}

.comment {
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
}

.comment:last-child {
  border-bottom: none;
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
}

.comment-content {
  flex: 1;
}

.comment-author {
  font-weight: 600;
  margin-bottom: 5px;
}

.comment-text {
  color: var(--text-light);
  font-size: 14px;
}

.playlist-sidebar {
  background: var(--surface);
  border-radius: 12px;
  padding: 20px;
}

.playlist-sidebar h4 {
  margin-bottom: 20px;
}

.playlist-item {
  display: flex;
  gap: 15px;
  padding: 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.playlist-item:hover {
  background: var(--background);
}

.playlist-item.active {
  background: rgba(233, 30, 99, 0.2);
  border-left: 3px solid var(--primary);
}

.playlist-item img {
  width: 80px;
  height: 45px;
  object-fit: cover;
  border-radius: 5px;
}

.playlist-item-info {
  flex: 1;
  overflow: hidden;
}

.playlist-item-title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.playlist-item-author {
  font-size: 12px;
  color: var(--text-light);
}

footer {
  background: var(--surface);
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

footer .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-section h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 10px;
}

.footer-section a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 13px;
}

@media (max-width: 768px) {
  nav ul {
    gap: 15px;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  footer .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  header .container {
    flex-direction: column;
    gap: 15px;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 24px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  footer .container {
    grid-template-columns: 1fr;
  }
}