:root {
    --color-primary: #2B4C7E;     /* 深蓝色 - 来自角色衣服 */
    --color-accent: #D64045;      /* 玫瑰红色 */
    --color-background: #F5F0E8;  /* 温暖的米色背景 */
    --color-text: #333333;
    --max-width: 1200px;
    --header-height: 80px;
  }
  
  .site-header {
    background-color: var(--color-background);
    height: var(--header-height);
    padding: 0 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
  }
  
  .main-nav {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .logo img {
    height: 50px;
    width: auto;
  }
  
  .game-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
  }
  
  .cta-button {
    background-color: var(--color-accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(214, 64, 69, 0.2);
  }
  
  /* 响应式设计 */
  @media (max-width: 768px) {
    .site-header {
      padding: 0 1rem;
    }
    
    .game-title {
      font-size: 1.2rem;
    }
    
    .cta-button {
      padding: 0.5rem 1rem;
    }
  }

  /* Hero部分的样式 */
.hero {
    padding: calc(var(--header-height) + 1rem) 2rem 0rem;
    background-color: var(--color-background);
    min-height: auto;
    display: flex;
    align-items: flex-start;
}

.hero-content {
    max-width: var(--max-width);
    margin: 2rem auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: flex-start;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin: 0;
    line-height: 1.1;
}

.hero-text .subtitle {
    font-size: 1.2rem;
    line-height: 1.4;
    margin: 0;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
    max-width: 500px;
    width: 100%;
}

.download-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.download-btn img {
    width: 24px;
    height: 24px;
}

.download-btn span:first-of-type {
    font-weight: 600;
    color: var(--color-primary);
}

.download-btn span:last-of-type {
    font-size: 0.9rem;
    color: #666;
    word-break: break-all;
}

.hero-image {
    position: relative;
}

.hero-image .main-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-text {
        align-items: center;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .download-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(var(--header-height) + 1rem);
        padding-bottom: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text .subtitle {
        font-size: 1.1rem;
    }

    .download-btn {
        padding: 0.5rem 1rem;
    }
}

.video-section {
    padding: 2rem 2rem;
    background-color: var(--color-background);
}

.video-container {
    max-width: var(--max-width);
    margin: 1rem auto 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    height: 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px; /* 圆角边框 */
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); /* 添加阴影 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .video-container {
        grid-template-columns: 1fr; /* 手机端改为单列 */
    }

    .video-section {
        padding: 1.5rem 1rem; /* 手机端更小的内边距 */
    }
    
    .video-container {
        margin-top: 0.5rem; /* 手机端更小的上边距 */
    }
}

.features {
    padding: 4rem 2rem;
    background-color: white;
}

.features-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-item:nth-child(even) {
    direction: rtl;
}

.feature-item:nth-child(even) .feature-content {
    direction: ltr;
}

.feature-image {
    width: 100%;
    height: 100%;
    min-height: 300px;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-image:hover img {
    transform: scale(1.05);
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-content h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin: 0;
}

.feature-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-text);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .features {
        padding: 2rem 1rem;
    }

    .feature-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-item:nth-child(even) {
        direction: ltr;
    }

    .feature-image {
        min-height: 200px;
    }

    .feature-content h3 {
        font-size: 1.5rem;
    }

    .feature-content p {
        font-size: 1rem;
    }
}

/* SEO Content Section Styles */
.seo-content {
    padding: 4rem 2rem;
    background-color: var(--color-background);
}

.content-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    color: var(--color-text);
}

/* Headings Hierarchy Styles */
.seo-content h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--color-accent);
}

.seo-content h2:first-child {
    margin-top: 0;
}

.seo-content h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin: 2rem 0 1rem;
}

.seo-content h4 {
    font-size: 1.4rem;
    color: var(--color-text);
    margin: 1.5rem 0 0.75rem;
}

/* Paragraph Styles */
.seo-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

/* List Styles */
.seo-content ul {
    margin: 1rem 0 2rem 1.5rem;
    padding: 0;
}

.seo-content li {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.seo-content li::before {
    content: "•";
    color: var(--color-accent);
    font-size: 1.2em;
    position: absolute;
    left: 0;
}

/* FAQ Specific Styles */
.seo-content h4 {
    color: var(--color-primary);
    font-weight: 600;
    margin-top: 2rem;
}

/* Content Sections Spacing */
.seo-content > div > * + * {
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .seo-content {
        padding: 2rem 1rem;
    }

    .seo-content h2 {
        font-size: 2rem;
        margin: 2rem 0 1rem;
    }

    .seo-content h3 {
        font-size: 1.5rem;
    }

    .seo-content h4 {
        font-size: 1.2rem;
    }

    .seo-content p,
    .seo-content li {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* Enhanced Reading Experience */
@media (min-width: 1024px) {
    .content-wrapper {
        padding: 0 2rem;
    }
}

/* Print Styles */
@media print {
    .seo-content {
        padding: 0;
    }

    .seo-content h2,
    .seo-content h3,
    .seo-content h4 {
        page-break-after: avoid;
    }

    .seo-content p {
        orphans: 3;
        widows: 3;
    }
}

/* Optional: Add some visual enhancements */
.seo-content h2::after {
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, var(--color-accent), transparent);
    margin-top: 0.5rem;
}

/* Optional: Add hover effects for interactive elements */
.seo-content a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.seo-content a:hover {
    border-bottom-color: var(--color-primary);
}

/* 下载卡片样式 */
.download-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 平台图标样式 */
.platform-icon {
    width: 24px;
    height: 24px;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* 标题样式 */
.download-title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

/* 密钥容器样式 */
.key-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

/* 密钥文本样式 */
.decryption-key {
    font-family: monospace;
    background: #f5f5f5;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    font-size: 0.9rem;
    color: #333;
    flex-grow: 1;
    cursor: text;
    user-select: all;
}

/* 复制按钮样式 */
.copy-button {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s ease;
}

.copy-button:hover {
    background-color: var(--color-primary-dark);
}

/* 复制成功提示 */
.copy-feedback {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    padding: 1rem;
    border-radius: 4px;
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}