<style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Noto Sans SC', sans-serif;
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
      background-attachment: fixed;
      color: #e0e0e0;
      line-height: 1.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }

    /* Header Styles */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(90deg, #e63946 0%, #ff6b35 100%);
      box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 0;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
      color: white;
    }

    .logo-icon {
      background: white;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-icon i {
      color: #e63946;
      font-size: 1.25rem;
    }

    .logo-text {
      font-size: 1.125rem;
      font-weight: 700;
    }

    .desktop-nav {
      display: none;
      gap: 1.5rem;
    }

    .desktop-nav a {
      color: white;
      text-decoration: none;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 0.375rem;
      transition: opacity 0.3s;
    }

    .desktop-nav a:hover {
      opacity: 0.85;
    }

    .search-box {
      display: none;
      background: rgba(255, 255, 255, 0.95);
      border-radius: 50px;
      padding: 0.5rem 1rem;
      box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    }

    .search-box-inner {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .search-box input {
      background: transparent;
      border: none;
      outline: none;
      width: 200px;
      padding: 0.25rem;
      color: #333;
    }

    .search-btn {
      background: #e63946;
      color: white;
      border: none;
      border-radius: 50px;
      padding: 0.25rem 1rem;
      font-size: 0.75rem;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.3s;
    }

    .search-btn:hover {
      background: #d62839;
    }

    .mobile-menu-btn {
      display: block;
      background: none;
      border: none;
      color: white;
      font-size: 1.5rem;
      cursor: pointer;
    }

    .mobile-nav {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      background: white;
      color: #333;
    }

    .mobile-nav.active {
      max-height: 600px;
    }

    .mobile-nav-content {
      padding: 1rem;
    }

    .mobile-search {
      background: #f3f4f6;
      border-radius: 50px;
      padding: 0.5rem 1rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .mobile-search input {
      background: transparent;
      border: none;
      outline: none;
      width: 100%;
      padding: 0.25rem;
    }

    .mobile-nav nav {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .mobile-nav nav a {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 0;
      border-bottom: 1px solid #f3f4f6;
      text-decoration: none;
      color: #333;
      font-weight: 500;
    }

    .mobile-nav nav a i {
      color: #e63946;
      width: 20px;
    }

    /* Hero Section */
    .hero {
      position: relative;
      border-radius: 1rem;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      margin-bottom: 2.5rem;
      height: 280px;
    }

    .hero-slider {
      position: relative;
      width: 100%;
      height: 100%;
    }

    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      transition: opacity 1s ease-in-out;
      background-size: cover;
      background-position: center;
    }

    .hero-slide.active {
      opacity: 1;
    }

    .hero-slide-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
      z-index: 1;
    }

    .hero-content {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      padding: 2rem;
      z-index: 2;
    }

    .hero-text {
      max-width: 42rem;
      color: white;
    }

    .hero-text h1 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }

    .hero-text p {
      font-size: 1rem;
      margin-bottom: 1.5rem;
      opacity: 0.95;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }

    .hero-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: white;
      color: #e63946;
      padding: 0.75rem 1.5rem;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

    .hero-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    }

    .hero-nav {
      position: absolute;
      bottom: 1.5rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 0.5rem;
      z-index: 3;
    }

    .hero-nav-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.5);
      cursor: pointer;
      transition: all 0.3s;
    }

    .hero-nav-dot.active {
      background: white;
      width: 28px;
      border-radius: 5px;
    }

    .hero-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      z-index: 3;
      background: rgba(0, 0, 0, 0.5);
      color: white;
      border: none;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
      opacity: 0;
    }

    .hero:hover .hero-arrow {
      opacity: 1;
    }

    .hero-arrow:hover {
      background: rgba(230, 57, 70, 0.9);
    }

    .hero-arrow-left {
      left: 1rem;
    }

    .hero-arrow-right {
      right: 1rem;
    }

    /* Section Headers */
    .section {
      margin-bottom: 3.5rem;
    }

    .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1.75rem;
    }

    .section-title {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.25rem;
      font-weight: 700;
      color: white;
    }

    .section-title i {
      color: #ff6b35;
      font-size: 1.5rem;
    }

    .section-title-line {
      height: 4px;
      width: 60px;
      background: linear-gradient(90deg, #e63946 0%, #ff6b35 100%);
      border-radius: 2px;
      margin-left: 0.5rem;
    }

    .section-more {
      display: flex;
      align-items: center;
      gap: 0.25rem;
      color: #ff6b35;
      text-decoration: none;
      font-weight: 500;
      transition: gap 0.3s;
    }

    .section-more:hover {
      gap: 0.5rem;
    }

    /* Grid Layouts */
    .video-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .trending-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    /* Video Cards */
    .video-card {
      background: #2a2d3a;
      border-radius: 0.75rem;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      transition: all 0.3s;
      cursor: pointer;
    }

    .video-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
    }

    .video-cover {
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      color: white;
      font-weight: 700;
      text-align: center;
      padding: 1rem;
      background-size: cover;
      background-position: center;
    }

    .video-cover-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
      z-index: 1;
    }

    .video-cover span {
      position: relative;
      z-index: 2;
      font-size: 0.875rem;
    }

    .video-genre {
      position: absolute;
      top: 0.75rem;
      right: 0.75rem;
      z-index: 3;
      background: rgba(230, 57, 70, 0.95);
      padding: 0.25rem 0.75rem;
      border-radius: 50px;
      font-size: 0.625rem;
      font-weight: 600;
      color: white;
    }

    .video-new-badge {
      position: absolute;
      top: 0;
      right: 0;
      z-index: 3;
      background: #ff6b35;
      color: white;
      font-size: 0.5rem;
      font-weight: 700;
      padding: 0.25rem 0.5rem;
      border-bottom-left-radius: 0.5rem;
    }

    .video-quality {
      position: absolute;
      top: 0.75rem;
      left: 0.75rem;
      z-index: 3;
      background: rgba(255, 107, 53, 0.95);
      padding: 0.25rem 0.5rem;
      border-radius: 4px;
      font-size: 0.625rem;
      font-weight: 600;
      color: white;
    }

    .play-icon {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 2;
      width: 60px;
      height: 60px;
      background: rgba(230, 57, 70, 0.8);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
    }

    .video-card:hover .play-icon {
      background: rgba(230, 57, 70, 1);
      transform: translate(-50%, -50%) scale(1.1);
    }

    .play-icon i {
      color: white;
      font-size: 1.5rem;
      margin-left: 4px;
    }

    .video-info {
      padding: 0.75rem;
    }

    .video-title {
      font-weight: 700;
      font-size: 0.875rem;
      margin-bottom: 0.375rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: white;
    }

    .video-desc {
      color: #b0b0b0;
      font-size: 0.75rem;
      margin-bottom: 0.5rem;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .video-stats {
      display: flex;
      justify-content: space-between;
      font-size: 0.625rem;
      color: #888;
    }

    .video-stats span {
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }

    .video-stats i {
      font-size: 0.75rem;
      color: #ff6b35;
    }

    /* Trending Cards */
    .trending-card {
      background: #2a2d3a;
      border-radius: 0.75rem;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      display: flex;
      transition: all 0.3s;
      cursor: pointer;
    }

    .trending-card:hover {
      box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
      transform: translateX(5px);
    }

    .trending-cover {
      width: 33.333%;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 0.875rem;
      text-align: center;
      padding: 0.75rem;
      background-size: cover;
      background-position: center;
    }

    .trending-info {
      width: 66.667%;
      padding: 1rem;
    }

    .trending-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 0.5rem;
      color: white;
    }

    .rating {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 0.5rem;
    }

    .stars {
      display: flex;
      color: #ffd700;
      font-size: 0.875rem;
    }

    .rating-value {
      color: #b0b0b0;
      font-size: 0.875rem;
    }

    /* Categories */
    .category-card {
      background: #2a2d3a;
      padding: 1rem;
      border-radius: 0.75rem;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      transition: all 0.3s;
      text-decoration: none;
      color: white;
    }

    .category-card:hover {
      box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
      transform: translateY(-4px);
    }

    .category-icon {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 0.5rem;
    }

    .category-icon i {
      font-size: 1.5rem;
    }

    .category-name {
      font-weight: 600;
      font-size: 0.875rem;
    }

    /* Theme Cards */
    .theme-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    .theme-card {
      position: relative;
      border-radius: 1rem;
      overflow: hidden;
      height: 192px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.3);
      cursor: pointer;
      transition: box-shadow 0.3s;
      background-size: cover;
      background-position: center;
    }

    .theme-card:hover {
      box-shadow: 0 10px 30px rgba(230, 57, 70, 0.4);
    }

    .theme-content {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      padding: 2rem;
      color: white;
      background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.3));
      z-index: 1;
    }

    .theme-content > div {
      position: relative;
      z-index: 2;
    }

    .theme-content h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .theme-content p {
      font-size: 0.875rem;
      opacity: 0.95;
      margin-bottom: 1rem;
    }

    .theme-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: white;
      color: #e63946;
      padding: 0.5rem 1rem;
      border-radius: 0.5rem;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.875rem;
      transition: background 0.3s;
    }

    .theme-btn:hover {
      background: #f5f5f5;
    }

    /* Subscribe Section */
    .subscribe {
      background: linear-gradient(90deg, #e63946 0%, #ff6b35 100%);
      border-radius: 1rem;
      padding: 2rem 1.5rem;
      margin-bottom: 3.5rem;
      text-align: center;
      color: white;
    }

    .subscribe h2 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .subscribe p {
      opacity: 0.95;
      margin-bottom: 1.5rem;
      font-size: 0.875rem;
    }

    .subscribe-form {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      max-width: 36rem;
      margin: 0 auto 0.75rem;
    }

    .subscribe-form input {
      flex: 1;
      padding: 0.75rem 1rem;
      border-radius: 0.5rem;
      border: none;
      outline: none;
      color: #333;
    }

    .subscribe-form button {
      background: white;
      color: #e63946;
      font-weight: 500;
      padding: 0.75rem 1.5rem;
      border-radius: 0.5rem;
      border: none;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(0,0,0,0.2);
      transition: background 0.3s;
    }

    .subscribe-form button:hover {
      background: #f5f5f5;
    }

    .subscribe-notice {
      font-size: 0.75rem;
      opacity: 0.85;
    }

    /* Footer */
    footer {
      background: #16213e;
      color: white;
      padding: 2.5rem 0 1.5rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.75rem;
      margin-bottom: 1.75rem;
    }

    .footer-section h3 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .footer-section h3 i {
      color: #ff6b35;
    }

    .footer-section p {
      color: #b0b0b0;
      font-size: 0.875rem;
      line-height: 1.6;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 0.5rem;
    }

    .footer-links a {
      color: #b0b0b0;
      text-decoration: none;
      font-size: 0.875rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      transition: color 0.3s;
    }

    .footer-links a:hover {
      color: #ff6b35;
    }

    .footer-links a i {
      width: 14px;
    }

    .app-downloads {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .app-download {
      background: rgba(230, 57, 70, 0.2);
      border-radius: 0.5rem;
      padding: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
      color: white;
      transition: all 0.3s;
    }

    .app-download:hover {
      background: rgba(230, 57, 70, 0.3);
      transform: translateY(-4px);
    }

    .app-download i {
      font-size: 1.5rem;
    }

    .app-download-text {
      text-align: left;
    }

    .app-download-label {
      font-size: 0.75rem;
      color: #b0b0b0;
    }

    .app-download-name {
      font-weight: 500;
      font-size: 0.875rem;
    }

    .footer-bottom {
      border-top: 1px solid #2a2d3a;
      padding-top: 1.25rem;
      text-align: center;
      color: #888;
      font-size: 0.75rem;
    }

    /* Back to Top */
    .back-to-top {
      position: fixed;
      bottom: 1.25rem;
      right: 1.25rem;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #e63946;
      color: white;
      border: none;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
      z-index: 999;
    }

    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
    }

    .back-to-top:hover {
      background: #d62839;
    }

    /* Responsive Design */
    @media (min-width: 640px) {
      .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
      }

      .subscribe-form {
        flex-direction: row;
      }

      .category-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (min-width: 768px) {
      .desktop-nav {
        display: flex;
      }

      .search-box {
        display: block;
      }

      .mobile-menu-btn {
        display: none;
      }

      .hero {
        height: 380px;
      }

      .hero-text h1 {
        font-size: 2.25rem;
      }

      .hero-text p {
        font-size: 1.125rem;
      }

      .video-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .video-cover {
        height: 224px;
      }

      .video-cover span {
        font-size: 1rem;
      }

      .trending-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .section-title {
        font-size: 1.5rem;
      }

      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .category-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .theme-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .theme-content h3 {
        font-size: 1.5rem;
      }
    }

    @media (min-width: 1024px) {
      .video-grid {
        grid-template-columns: repeat(5, 1fr);
      }

      .trending-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .category-grid {
        grid-template-columns: repeat(7, 1fr);
      }

      .footer-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    @media (min-width: 1280px) {
      .video-grid {
        grid-template-columns: repeat(6, 1fr);
      }
    }
  </style>