:root {
    --bg-dark: #121216;
    --bg-card: #1e1e24;
    --bg-card-hover: #2a2a32;
    --primary: #ff7a9e;
    --primary-gradient: linear-gradient(135deg, #ff7a9e 0%, #ff9a7a 100%);
    --text-main: #f4f4f6;
    --text-muted: #a0a0ab;
    --border-color: #33333e;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
  }

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

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

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

  ul {
    list-style: none;
  }

  /* Header & Nav */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 22, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
  }

  .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: bold;
  }

  .brand img {
    height: 32px;
    width: auto;
    border-radius: var(--radius-sm);
    object-fit: cover;
  }

  .nav-links {
    display: flex;
    gap: 24px;
    font-size: 0.95rem;
    color: var(--text-muted);
  }

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

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

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

  .section-header {
    text-align: center;
    margin-bottom: 50px;
  }

  .section-header h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
  }

  .section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
  }

  /* Hero Section */
  .hero-section {
    position: relative;
    padding: 100px 0 80px;
    text-align: center;
    background: radial-gradient(circle at top, rgba(255, 122, 158, 0.15) 0%, transparent 60%);
  }

  .hero-tagline {
    display: inline-block;
    background: rgba(255, 122, 158, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 122, 158, 0.3);
  }

  .hero-section h1 {
    font-size: 3.2rem;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
  }

  .hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
  }

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

  .btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
  }

  .btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 8px 24px rgba(255, 122, 158, 0.3);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 122, 158, 0.4);
  }

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

  .btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
  }

  .hero-visual-grid {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    scrollbar-width: none;
  }
  .hero-visual-grid::-webkit-scrollbar {
    display: none;
  }

  .hero-visual-grid img {
    width: 180px;
    height: 320px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
  }

  .hero-visual-grid img:hover {
    transform: translateY(-5px) scale(1.02);
  }

  /* AI Section */
  .ai-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin: 0 20px;
    padding: 60px 40px;
  }
  
  .ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }

  .ai-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
  }

  .ai-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
  }

  .ai-image img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
  }

  /* Drama Grid */
  .drama-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
  }

  .drama-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
  }

  .drama-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255, 122, 158, 0.1);
  }

  .drama-card img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    display: block;
  }

  .drama-info {
    padding: 16px;
  }

  .drama-info h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: #fff;
  }

  .drama-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
  }

  .tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 122, 158, 0.15);
    color: var(--primary);
  }

  .drama-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .drama-date {
    font-size: 0.8rem;
    color: #666;
  }

  /* Steps */
  .steps-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1a22 100%);
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .step-card {
    background: var(--bg-card);
    padding: 30px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    position: relative;
  }

  .step-num {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 16px;
  }

  .step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }

  .step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
  }

  /* FAQ */
  .faq-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

  .faq-item h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--primary);
  }

  .faq-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
  }

  /* Reviews */
  .review-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
  }

  .review-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
  }

  .review-stars {
    color: #ffc107;
    margin-bottom: 12px;
    font-size: 0.9rem;
  }

  .review-text {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 16px;
    line-height: 1.5;
  }

  .review-user {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
  }

  /* Privacy */
  .privacy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .privacy-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
  }

  .privacy-icon {
    font-size: 2rem;
    margin-bottom: 16px;
  }

  .privacy-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }

  .privacy-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
  }

  /* Creator */
  .creator-section {
    background: linear-gradient(135deg, rgba(255, 122, 158, 0.1) 0%, rgba(18, 18, 22, 1) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
  }

  .creator-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
  }

  .creator-section p {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 30px;
  }

  .creator-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
    text-align: left;
  }

  .creator-feature {
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .creator-feature h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary);
  }

  .creator-feature p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
  }

  /* Community */
  .community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .community-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .community-card h3 {
    font-size: 1.2rem;
  }

  .community-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
  }

  /* Bottom Download */
  .bottom-download {
    text-align: center;
    padding: 80px 20px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
  }

  .bottom-download h2 {
    font-size: 2rem;
    margin-bottom: 16px;
  }

  .bottom-download p {
    color: var(--text-muted);
    margin-bottom: 30px;
  }

  .bottom-steps {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .bottom-step-item {
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
  }

  /* Footer */
  .site-footer {
    background: #0a0a0d;
    padding: 40px 20px 20px;
    text-align: center;
    color: #666;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
  }

  .footer-links {
    margin-bottom: 16px;
  }

  .footer-links a {
    color: #888;
    margin: 0 10px;
  }

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

  .update-time {
    margin-top: 12px;
    opacity: 0.6;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .hero-section h1 { font-size: 2.5rem; }
    .ai-content { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-list { grid-template-columns: 1fr; }
    .privacy-grid { grid-template-columns: repeat(2, 1fr); }
    .creator-features { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-section h1 { font-size: 2rem; }
    .hero-section { padding: 60px 0 40px; }
    .hero-visual-grid img { width: 140px; height: 250px; }
    .steps-grid { grid-template-columns: 1fr; }
    .community-grid { grid-template-columns: 1fr; }
    .creator-features { grid-template-columns: 1fr; }
    .privacy-grid { grid-template-columns: 1fr; }
    .ai-section { padding: 40px 20px; margin: 0; border-radius: 0; }
    .creator-section { padding: 40px 20px; border-radius: 0; border: none; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .drama-grid { grid-template-columns: repeat(2, 1fr); }
    .drama-card img { height: 240px; }
    .download-group { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; }
  }