:root {
    --bg-dark: #0f1115;
    --bg-card: #1a1d24;
    --bg-card-hover: #22262f;
    --text-main: #f0f2f5;
    --text-sub: #9ba1ac;
    --primary: #ff3b30;
    --primary-gradient: linear-gradient(135deg, #ff3b30, #ff9500);
    --gold: #e5b869;
    --border-color: rgba(255,255,255,0.08);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
  }

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

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

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

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

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 17, 21, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
  }

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

  .logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .logo-wrap img {
    height: 32px;
    width: auto;
    border-radius: 4px;
  }

  .logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
  }

  .nav-links {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }

  .nav-links a {
    font-size: 0.9rem;
    color: var(--text-sub);
    transition: color 0.2s;
  }

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

  .nav-links a.active {
    color: var(--primary);
    font-weight: 600;
  }

  /* Hero Section */
  .hero {
    position: relative;
    padding: 80px 0 60px;
    background: radial-gradient(circle at top right, rgba(255,59,48,0.15), transparent 40%),
                radial-gradient(circle at bottom left, rgba(229,184,105,0.1), transparent 40%);
    text-align: center;
    overflow: hidden;
  }

  .hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #fff, #ffe0b2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    color: var(--text-sub);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 32px;
  }

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

  .btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: none;
    color: #fff;
  }

  .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255,59,48,0.2);
  }

  .btn-download.primary {
    background: var(--primary-gradient);
  }

  .btn-download.secondary {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
  }

  .btn-download.secondary:hover {
    background: rgba(255,255,255,0.15);
    box-shadow: none;
  }

  /* Section Common */
  section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
  }

  .section-subtitle {
    text-align: center;
    color: var(--text-sub);
    margin-bottom: 40px;
    font-size: 0.95rem;
  }

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

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

  .drama-card:hover {
    transform: translateY(-4px);
  }

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

  .drama-info {
    padding: 12px;
  }

  .drama-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
  }

  .drama-title {
    font-size: 1rem;
    font-weight: 600;
  }

  .drama-score {
    color: var(--gold);
    font-weight: 700;
    font-size: 0.9rem;
  }

  .drama-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
  }

  .tag {
    background: rgba(255,255,255,0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-sub);
  }

  .drama-desc {
    font-size: 0.85rem;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .drama-date {
    font-size: 0.75rem;
    color: var(--text-sub);
    margin-top: 8px;
    text-align: right;
  }

  /* Steps Section */
  .steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .step-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }

  .step-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
  }

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

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

  /* FAQ Section */
  .faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .faq-q {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-main);
    display: flex;
    gap: 8px;
  }

  .faq-q::before {
    content: 'Q';
    color: var(--primary);
    font-weight: 800;
  }

  .faq-a {
    color: var(--text-sub);
    font-size: 0.9rem;
    display: flex;
    gap: 8px;
  }

  .faq-a::before {
    content: 'A';
    color: var(--gold);
    font-weight: 800;
  }

  /* Reviews Section */
  .reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .review-card {
    background: linear-gradient(145deg, #1a1d24, #14161c);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
  }

  .review-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
  }

  .review-name {
    font-weight: 600;
    font-size: 0.95rem;
  }

  .review-stars {
    color: var(--gold);
    font-size: 0.8rem;
  }

  .review-text {
    color: var(--text-sub);
    font-size: 0.9rem;
  }

  /* Privacy & Creator */
  .two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .privacy-list, .creator-list {
    list-style: none;
  }

  .privacy-list li, .creator-list li {
    background: var(--bg-card);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }

  .privacy-icon {
    color: #4cd964;
    font-weight: bold;
    font-size: 1.2rem;
  }

  .creator-icon {
    color: var(--gold);
    font-weight: bold;
    font-size: 1.2rem;
  }

  /* Community */
  .community-box {
    background: radial-gradient(circle at center, rgba(255,149,0,0.1), transparent);
    border: 1px dashed var(--gold);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
  }

  .community-box h3 {
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 16px;
  }

  .community-box p {
    color: var(--text-sub);
    margin-bottom: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Footer */
  .site-footer {
    background: #090a0d;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: #666;
  }

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

  .footer-links a {
    margin: 0 8px;
    color: #666;
    transition: color 0.2s;
  }

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

  .footer-info {
    margin-bottom: 8px;
  }

  /* Animations */
  .fade-up {
    animation: fadeUp 0.8s ease forwards;
  }

  @keyframes fadeUp {
    from {
      transform: translateY(20px);
    }
    to {
      transform: translateY(0);
    }
  }

  /* Responsive */
  @media (min-width: 768px) {
    .hero h1 { font-size: 3.2rem; }
    .hero p { font-size: 1.25rem; }
    .drama-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr 1fr; }
  }

  @media (min-width: 1024px) {
    .hero { padding: 120px 0 80px; }
    .hero h1 { font-size: 4rem; }
    .drama-grid { grid-template-columns: repeat(4, 1fr); }
    .steps-grid { grid-template-columns: repeat(4, 1fr); }
    .faq-grid { grid-template-columns: repeat(3, 1fr); }
    .reviews-grid { grid-template-columns: repeat(3, 1fr); }
    section { padding: 80px 0; }
  }