:root {
    --bg-dark: #0f1115;
    --bg-card: #1a1d24;
    --primary: #ffd700;
    --primary-hover: #ffea70;
    --text-main: #f2f2f2;
    --text-muted: #a0a5b0;
    --border-color: #2a2e38;
    --gradient-top: linear-gradient(135deg, #1a1d24 0%, #0f1115 100%);
    --gradient-btn: linear-gradient(135deg, #ffd700 0%, #ff9900 100%);
    --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;
  }

  /* 导航栏 */
  .site-header {
    position: sticky;
    top: 0;
    background-color: rgba(15, 17, 21, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
  }

  .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
  }

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

  .brand img {
    height: 36px;
    border-radius: 8px;
  }

  .nav-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }

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

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

  /* 首屏 Hero */
  .hero {
    padding: 80px 20px;
    background: radial-gradient(circle at 50% 0%, #2a2e38 0%, var(--bg-dark) 70%);
    text-align: center;
    position: relative;
  }

  .hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    background: var(--gradient-btn);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.3;
  }

  .hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px;
  }

  .download-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-btn);
    color: #000;
    font-weight: bold;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
  }

  .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
  }

  .btn-download.secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
  }

  .btn-download.secondary:hover {
    background: rgba(255, 215, 0, 0.1);
  }

  /* 通用区块标题 */
  .section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-main);
  }

  .section-title span {
    color: var(--primary);
  }

  /* 短剧展示区 */
  .showcase {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
  }

  .showcase-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s;
    border: 1px solid var(--border-color);
  }

  .showcase-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
  }

  .showcase-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
  }

  .card-content {
    padding: 16px;
  }

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

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

  .tag {
    background: rgba(255, 215, 0, 0.15);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
  }

  .card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .card-meta {
    font-size: 0.75rem;
    color: #666;
    text-align: right;
  }

  /* 特色创意板块合集 */
  .features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
  }

  .feature-section {
    margin-bottom: 60px;
  }

  .feature-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }

  .feature-title::before,
  .feature-title::after {
    content: '';
    height: 1px;
    width: 40px;
    background: var(--primary);
    opacity: 0.5;
  }

  /* 安装步骤 */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  .step-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    border-left: 4px solid var(--primary);
  }

  .step-num {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    opacity: 0.8;
    line-height: 1;
  }

  .step-info h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
  }

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

  /* 常见问题 */
  .faq-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
  }

  .faq-item {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
  }

  .faq-q {
    font-weight: bold;
    margin-bottom: 12px;
    color: var(--primary);
    display: flex;
    gap: 8px;
  }

  .faq-a {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 24px;
    position: relative;
  }

  .faq-a::before {
    content: 'A';
    position: absolute;
    left: 0;
    color: var(--border-color);
    font-weight: bold;
  }

  /* 用户热评 */
  .reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  .review-card {
    background: linear-gradient(145deg, #1a1d24, #232730);
    border-radius: 16px;
    padding: 24px;
    position: relative;
  }

  .review-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.1;
    line-height: 1;
  }

  .review-text {
    font-size: 0.95rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
  }

  .review-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .review-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-weight: bold;
  }

  /* 隐私安全 */
  .privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  .privacy-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .privacy-card h4 {
    color: var(--primary);
    font-size: 1.1rem;
  }

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

  /* 创作者计划 & 交流社区 并排 */
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .creator-box {
    background: linear-gradient(180deg, #1f221a 0%, #0f1115 100%);
    border: 1px solid #3a402a;
    border-radius: 16px;
    padding: 32px;
  }

  .community-box {
    background: linear-gradient(180deg, #1a1f2a 0%, #0f1115 100%);
    border: 1px solid #2a354a;
    border-radius: 16px;
    padding: 32px;
  }

  .box-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .box-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
  }

  .box-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .box-list li {
    font-size: 0.9rem;
    padding-left: 20px;
    position: relative;
  }

  .box-list li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
  }

  /* 底部下载区 */
  .footer-download {
    background: var(--gradient-top);
    border-top: 1px solid var(--border-color);
    padding: 80px 20px;
    text-align: center;
  }

  .footer-download h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
  }

  .footer-download p {
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  /* 页脚 */
  .site-footer {
    background: #08090b;
    padding: 30px 20px;
    text-align: center;
    font-size: 0.8rem;
    color: #555;
    border-top: 1px solid #111;
  }

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

  .site-footer a {
    color: #555;
    transition: color 0.3s;
  }

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

  /* 响应式 */
  @media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .two-col { grid-template-columns: 1fr; }
    .showcase-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .showcase-card img { height: 240px; }
    .nav-links { display: none; } /* 移动端简化导航，此处用隐藏非必须，保证不出横向滚动 */
    .download-group { flex-direction: column; align-items: center; }
    .btn-download { width: 100%; max-width: 300px; justify-content: center; }
  }

  @media (min-width: 769px) and (max-width: 1024px) {
    .hero h1 { font-size: 2.4rem; }
    .two-col { grid-template-columns: 1fr; }
  }