:root {
    --bg-dark: #0a0a0a;
    --bg-panel: #141414;
    --brand-gold: #e5b80b;
    --brand-gold-light: #fce45c;
    --text-main: #f0f0f0;
    --text-muted: #999999;
    --accent-purple: #8a2be2;
    --accent-cyan: #00e5ff;
  }

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

  body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  /* Header */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 184, 11, 0.2);
    z-index: 1000;
  }

  .header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo-container {
    display: flex;
    align-items: center;
  }

  .logo-container img {
    height: 32px;
    width: auto;
  }

  .main-nav {
    display: none;
  }

  .nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
  }

  .nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    transition: color 0.3s;
  }

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

  .btn-download-nav {
    background: var(--brand-gold);
    color: var(--bg-dark);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    transition: transform 0.3s, background 0.3s;
  }

  .btn-download-nav:hover {
    background: var(--brand-gold-light);
    transform: translateY(-2px);
  }

  /* Hero Section */
  .hero-section {
    padding: 120px 20px 60px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
  }

  .btn-download-large {
    background: var(--brand-gold);
    color: var(--bg-dark);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(229, 184, 11, 0.3);
    transition: all 0.3s;
  }

  .btn-download-large:hover {
    background: var(--brand-gold-light);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(229, 184, 11, 0.5);
  }

  .hero-gallery {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 100%;
  }

  .hero-gallery img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
    aspect-ratio: 3/4;
  }

  .hero-gallery img:hover {
    transform: scale(1.02);
    border-color: var(--brand-gold);
  }

  /* Sections Common */
  section {
    padding: 60px 20px;
  }

  .section-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .section-header h2 {
    font-size: 28px;
    color: var(--brand-gold);
    margin-bottom: 10px;
  }

  .section-header p {
    font-size: 15px;
    color: var(--text-muted);
  }

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

  /* Intro Section */
  .intro-section {
    background: var(--bg-panel);
  }

  .intro-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .intro-text h3 {
    font-size: 22px;
    color: var(--text-main);
    margin-bottom: 15px;
    border-left: 4px solid var(--brand-gold);
    padding-left: 10px;
  }

  .intro-text p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 15px;
    text-align: justify;
  }

  .intro-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }

  /* Gallery / Library Section */
  .library-section {
    background: var(--bg-dark);
  }

  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .gallery-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 2/3;
  }

  .gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
  }

  .gallery-card:hover img {
    transform: scale(1.08);
  }

  .gallery-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--brand-gold);
    color: var(--bg-dark);
    font-size: 12px;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 4px;
  }

  .gallery-tag.ai {
    background: var(--accent-purple);
    color: #fff;
  }

  .gallery-tag.magic {
    background: var(--accent-cyan);
    color: var(--bg-dark);
  }

  /* Schedule Section */
  .schedule-section {
    background: var(--bg-panel);
  }

  .schedule-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .schedule-item {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border-radius: 10px;
    padding: 15px;
    gap: 15px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: border-color 0.3s;
  }

  .schedule-item:hover {
    border-color: var(--brand-gold);
  }

  .schedule-item img {
    width: 60px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
  }

  .schedule-info h4 {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: 5px;
  }

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

  .schedule-time {
    margin-left: auto;
    background: rgba(229, 184, 11, 0.1);
    color: var(--brand-gold);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
  }

  /* How to make Section */
  .process-section {
    background: var(--bg-dark);
  }

  .process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .step-item {
    background: var(--bg-panel);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--brand-gold);
  }

  .step-item h4 {
    font-size: 18px;
    color: var(--brand-gold);
    margin-bottom: 10px;
  }

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

  /* Reviews Section */
  .reviews-section {
    background: var(--bg-panel);
  }

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

  .review-card {
    background: var(--bg-dark);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
    display: flex;
    gap: 15px;
  }

  .review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--brand-gold);
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
    flex-shrink: 0;
  }

  .review-content h4 {
    font-size: 15px;
    color: var(--text-main);
    margin-bottom: 8px;
  }

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

  /* FAQ Section */
  .faq-section {
    background: var(--bg-dark);
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .faq-item {
    background: var(--bg-panel);
    border-radius: 10px;
    padding: 20px;
  }

  .faq-item h4 {
    font-size: 16px;
    color: var(--brand-gold);
    margin-bottom: 10px;
  }

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

  /* Download Section */
  .download-section {
    background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-dark) 100%);
    text-align: center;
  }

  .download-box {
    background: rgba(229, 184, 11, 0.05);
    border: 1px solid rgba(229, 184, 11, 0.3);
    padding: 40px 20px;
    border-radius: 20px;
    max-width: 600px;
    margin: 0 auto;
  }

  .download-box h2 {
    font-size: 24px;
    color: var(--brand-gold);
    margin-bottom: 15px;
  }

  .download-box p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 25px;
  }

  /* Footer */
  .site-footer {
    background: var(--bg-dark);
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
  }

  .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 12px;
    color: #666;
  }

  .footer-content p {
    margin-bottom: 8px;
  }

  .footer-content a {
    color: #666;
    text-decoration: none;
  }

  .footer-content a:hover {
    color: var(--brand-gold);
  }

  .update-time {
    display: inline-block;
    margin-top: 5px;
    color: #555;
  }

  /* Responsive */
  @media (min-width: 768px) {
    .main-nav {
      display: block;
    }

    .hero-section {
      padding: 140px 40px 80px;
    }

    .hero-title {
      font-size: 48px;
    }

    .hero-gallery {
      grid-template-columns: repeat(4, 1fr);
    }

    .intro-content {
      flex-direction: row;
      align-items: center;
    }

    .intro-text {
      flex: 1;
    }

    .intro-image {
      flex: 1;
    }

    .gallery-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .review-cards {
      grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
      flex-direction: row;
      flex-wrap: wrap;
    }

    .step-item {
      flex: 1;
      min-width: 300px;
    }
  }

  @media (min-width: 1024px) {
    .hero-gallery {
      grid-template-columns: repeat(6, 1fr);
    }

    .gallery-grid {
      grid-template-columns: repeat(6, 1fr);
    }

    .review-cards {
      grid-template-columns: repeat(3, 1fr);
    }
  }