:root {
    --bg-dark: #0f0f13;
    --bg-card: #17171e;
    --bg-card-hover: #1f1f28;
    --accent: #ff4d6d;
    --accent-hover: #ff6b85;
    --text-main: #f0f0f5;
    --text-sub: #a0a0b0;
    --border-color: #2a2a35;
    --radius: 12px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }

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

  body {
    font-family: var(--font-family);
    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;
  }

  /* Typography */
  h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

  h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  h2::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 24px;
    background: var(--accent);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  p {
    color: var(--text-sub);
    margin-bottom: 1rem;
  }

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

  section {
    padding: 80px 0;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 19, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
  }

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

  .logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
  }

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

  .nav-links {
    display: flex;
    gap: 24px;
  }

  .nav-links a {
    font-size: 0.95rem;
    color: var(--text-sub);
    transition: color 0.3s;
  }

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

  /* Hero Section */
  .hero {
    padding-top: 120px;
    padding-bottom: 60px;
    text-align: center;
    background: radial-gradient(circle at top, #2a1b24 0%, var(--bg-dark) 60%);
    position: relative;
    overflow: hidden;
  }

  .hero h1 {
    background: linear-gradient(90deg, #fff, #ffb3c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 3rem;
    margin-bottom: 1.5rem;
  }

  .hero p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
  }

  .download-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 3rem;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
  }

  .btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 77, 109, 0.3);
  }

  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
  }

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

  .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
  }

  /* Poster Wall */
  .poster-wall {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding-bottom: 20px;
    scrollbar-width: none;
  }
  .poster-wall::-webkit-scrollbar {
    display: none;
  }
  .poster-wall img {
    height: 220px;
    width: auto;
    border-radius: var(--radius);
    object-fit: cover;
    transition: transform 0.3s;
    flex-shrink: 0;
  }
  .poster-wall img:hover {
    transform: scale(1.05);
  }

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

  .daily-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: background 0.3s;
  }

  .daily-card:hover {
    background: var(--bg-card-hover);
  }

  .daily-card img {
    width: 100px;
    height: 140px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .daily-info {
    flex: 1;
  }

  .tag-group {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
  }

  .tag {
    background: rgba(255, 77, 109, 0.15);
    color: var(--accent);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
  }

  .tag.meta {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-sub);
  }

  .daily-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-main);
  }

  .daily-info p {
    font-size: 0.9rem;
    margin-bottom: 0;
  }

  /* Timeline */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
  }

  .timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 30px;
  }

  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
  }

  .timeline-content {
    background: var(--bg-card);
    padding: 16px 24px;
    border-radius: var(--radius);
    width: 80%;
    position: relative;
  }

  .timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
  }

  .timeline-content::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -10px;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    border: 4px solid var(--bg-dark);
  }

  .timeline-item:nth-child(even) .timeline-content::after {
    left: -10px;
    right: auto;
  }

  .time-label {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 5px;
    display: block;
  }

  /* FAQ */
  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
  }

  .faq-q {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
  }
  
  .faq-item.active .faq-q {
    border-bottom-color: var(--border-color);
  }

  .faq-a {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-sub);
  }

  .faq-item.active .faq-a {
    padding: 20px;
    max-height: 200px;
  }

  /* Reviews */
  .review-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .review-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius);
  }

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

  .review-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
  }

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

  .review-text {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0;
  }

  /* Download Steps */
  .steps-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 40px;
  }

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

  .step-num {
    display: inline-block;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    line-height: 36px;
    font-weight: 700;
    margin-bottom: 15px;
  }

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

  .site-footer p {
    margin-bottom: 10px;
    color: var(--text-sub);
  }

  .site-footer a {
    color: var(--text-sub);
    transition: color 0.3s;
  }

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

  /* Responsive */
  @media (min-width: 768px) {
    .daily-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .review-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-container {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
    .hero p { font-size: 1.25rem; }
    .daily-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .poster-wall img {
      height: 300px;
    }
    .review-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .steps-container {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  /* Modal for Baidu APP */
  .modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
  }
  .modal-overlay.show {
    display: flex;
  }
  .modal-box {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    max-width: 80%;
  }
  .modal-box p {
    color: var(--text-main);
    margin-bottom: 20px;
    font-size: 1.1rem;
  }
  .modal-box button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1rem;
  }