:root {
    --bg: #0B0B10;
    --surface: #15151F;
    --surface-hover: #1E1E2A;
    --accent: #FF4757;
    --text-main: #F2F2F5;
    --text-muted: #9E9EA7;
    --border: #2A2A35;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
  }

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

  body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  img {
    display: block;
    max-width: 100%;
    object-fit: cover;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    background-color: rgba(11, 11, 16, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
  }

  .brand img {
    height: 32px;
    width: auto;
    border-radius: 6px;
  }

  .nav-links {
    display: none;
    gap: 24px;
    color: var(--text-muted);
    font-size: 15px;
  }

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

  .nav-links a.active {
    color: var(--text-main);
    font-weight: 600;
    position: relative;
  }

  .nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background-color: var(--accent);
    border-radius: 2px;
  }

  /* Hero */
  .hero {
    padding: 32px 0 40px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .hero-text h1 {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 12px;
    font-weight: 800;
  }

  .hero-text h1 span {
    color: var(--accent);
  }

  .hero-text p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 24px;
  }

  .download-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
  }

  .btn-primary {
    background-color: var(--accent);
    color: #fff;
  }

  .btn-primary:hover {
    background-color: #ff5e6c;
    transform: translateY(-2px);
  }

  .btn-secondary {
    background-color: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border);
  }

  .btn-secondary:hover {
    background-color: var(--surface-hover);
  }

  .hero-visual {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    background-color: var(--surface);
  }

  .hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

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

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

  .section-title {
    font-size: 22px;
    font-weight: 700;
  }

  .section-more {
    font-size: 14px;
    color: var(--text-muted);
  }

  /* Featured Drama */
  .featured-card {
    display: flex;
    flex-direction: column;
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .featured-image {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: var(--surface-hover);
  }

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

  .featured-info {
    padding: 24px;
  }

  .featured-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }

  .tag {
    background-color: rgba(255, 71, 87, 0.15);
    color: var(--accent);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
  }

  .featured-info p {
    color: var(--text-muted);
    font-size: 14px;
  }

  /* Poster Grid */
  .poster-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .poster-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .poster-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 2/3;
    background-color: var(--surface);
  }

  .poster-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .ep-badge {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 12px 10px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
  }

  .poster-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
  }

  .poster-meta {
    font-size: 12px;
    color: var(--text-muted);
  }

  /* Category */
  .category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-card {
    background-color: var(--surface);
    padding: 20px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: background-color 0.2s;
  }

  .category-card:hover {
    background-color: var(--surface-hover);
  }

  .category-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--accent);
  }

  .category-card p {
    font-size: 13px;
    color: var(--text-muted);
  }

  /* Experience */
  .experience-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .screenshot-row {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    scrollbar-width: none;
  }
  
  .screenshot-row::-webkit-scrollbar {
    display: none;
  }

  .screenshot-item {
    flex: 0 0 240px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .screenshot-item img {
    width: 100%;
    height: auto;
  }

  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .feature-item h3 {
    font-size: 16px;
    margin-bottom: 4px;
  }

  .feature-item p {
    font-size: 14px;
    color: var(--text-muted);
  }

  /* Footer */
  .site-footer {
    padding: 40px 0 24px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 12px;
  }

  .footer-call {
    font-size: 18px;
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 8px;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 8px;
  }

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

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(21, 21, 31, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 8px 0;
    justify-content: space-around;
    z-index: 100;
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 10px;
    color: var(--text-muted);
    gap: 4px;
  }

  .mobile-nav-item.active {
    color: var(--accent);
  }

  .mobile-nav-icon {
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-radius: 50%;
  }

  /* Responsive */
  @media (min-width: 768px) {
    .hero-content {
      flex-direction: row;
      align-items: center;
    }
    .hero-text {
      flex: 1;
    }
    .hero-visual {
      flex: 1;
    }
    .hero-text h1 {
      font-size: 40px;
    }
    .poster-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .category-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .experience-grid {
      flex-direction: row;
      align-items: center;
    }
    .experience-grid .screenshot-row {
      flex: 1;
    }
    .experience-grid .feature-list {
      flex: 1;
    }
    .nav-links {
      display: flex;
    }
    .mobile-nav {
      display: none;
    }
    .footer-inner {
      flex-direction: row;
      justify-content: space-between;
      text-align: left;
    }
    .footer-links {
      justify-content: flex-start;
    }
  }

  @media (min-width: 1024px) {
    .poster-grid {
      grid-template-columns: repeat(5, 1fr);
    }
    .hero-text h1 {
      font-size: 48px;
    }
  }