:root {
    --bg-base: #0f1115;
    --bg-surface: #181b22;
    --bg-surface-hover: #1f232d;
    --text-primary: #f0f2f5;
    --text-secondary: #9ba4b5;
    --accent-color: #ffb703;
    --accent-gradient: linear-gradient(135deg, #ffb703 0%, #fb8500 100%);
    --border-color: #2a2f3a;
    --radius-md: 12px;
    --radius-lg: 20px;
  }

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

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

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

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

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

  /* Header & Nav */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 17, 21, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }

  .logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
  }

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

  .nav-links {
    display: none;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    color: var(--text-secondary);
  }

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

  .btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    color: #000;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    transition: transform 0.2s;
  }

  .btn-download:hover {
    transform: translateY(-2px);
  }

  /* Hero Section */
  .hero {
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 183, 3, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 32px;
    line-height: 1.3;
    margin-bottom: 16px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-text p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 24px;
    max-width: 500px;
  }

  .download-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .download-btn-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
  }

  .download-btn-item:hover {
    background: var(--bg-surface-hover);
    border-color: var(--accent-color);
  }

  .download-btn-item svg {
    width: 20px;
    height: 20px;
    fill: var(--accent-color);
  }

  .hero-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    position: relative;
  }

  .hero-gallery img {
    border-radius: var(--radius-md);
    object-fit: cover;
    aspect-ratio: 9/16;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }

  .hero-gallery img:nth-child(even) {
    transform: translateY(30px);
  }

  /* Sections Common */
  .section {
    padding: 80px 0;
  }

  .section-title {
    text-align: center;
    font-size: 26px;
    margin-bottom: 12px;
    color: var(--text-primary);
  }

  .section-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-size: 15px;
  }

  /* AI & Hot Drama */
  .drama-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .drama-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
  }

  .drama-card:hover {
    transform: translateY(-5px);
  }

  .drama-card img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
  }

  .drama-info {
    padding: 16px;
  }

  .drama-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
  }

  .drama-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .drama-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 12px;
  }

  .tag {
    background: rgba(255, 183, 3, 0.1);
    color: var(--accent-color);
    padding: 2px 8px;
    border-radius: 4px;
  }

  .date {
    color: #666;
    margin-left: auto;
  }

  /* Install Steps */
  .steps-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .step-item {
    display: flex;
    gap: 16px;
    background: var(--bg-surface);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
  }

  .step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    color: #000;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .step-content h4 {
    font-size: 16px;
    margin-bottom: 6px;
  }

  .step-content p {
    font-size: 14px;
    color: var(--text-secondary);
  }

  /* Grid Layouts (FAQ, Privacy, Reviews) */
  .qa-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .qa-card {
    background: var(--bg-surface);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
  }

  .qa-card h4 {
    font-size: 15px;
    color: var(--accent-color);
    margin-bottom: 8px;
  }

  .qa-card p {
    font-size: 14px;
    color: var(--text-secondary);
  }

  /* Creator Plan & Community */
  .split-section {
    background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
  }

  .feature-list {
    display: grid;
    gap: 16px;
    margin-top: 24px;
  }

  .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
  }

  .feature-item::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
  }

  /* Footer */
  .site-footer {
    background: var(--bg-base);
    padding: 40px 0 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
  }

  .footer-downloads {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
  }

  .footer-downloads .download-btn-item {
    padding: 8px 16px;
    font-size: 13px;
  }

  .footer-bottom {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
  }

  .update-time {
    margin-top: 8px;
    font-size: 12px;
    color: #555;
  }

  /* Media Queries */
  @media (min-width: 768px) {
    .hero-content {
      flex-direction: row;
      align-items: center;
      gap: 60px;
    }
    .hero-text {
      flex: 1;
    }
    .hero-gallery {
      flex: 1;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .hero-gallery img:nth-child(2) {
      transform: translateY(40px);
    }
    .hero-gallery img:nth-child(3) {
      transform: translateY(20px);
    }
    .hero-text h1 {
      font-size: 42px;
    }
    .drama-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .qa-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-list {
      flex-direction: row;
      flex-wrap: wrap;
    }
    .step-item {
      flex: 1 1 calc(50% - 20px);
    }
  }

  @media (min-width: 1024px) {
    .nav-links {
      display: flex;
    }
    .hero-text h1 {
      font-size: 52px;
    }
    .drama-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    .qa-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .step-item {
      flex: 1 1 calc(25% - 20px);
      flex-direction: column;
    }
  }