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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    background: #ffffff;
    color: #333333;
    min-height: 100vh;
}

/* 顶部导航栏 */
.header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: #3b82f6;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo::before {
    content: "⚡";
    font-size: 20px;
}

.header-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

/* 主容器 */
.main-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* 内容标题 */
.content-title {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 16px;
}

/* 更新时间 */
.update-time {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 32px;
}

/* 内容段落 */
.content-text {
    font-size: 15px;
    color: #4b5563;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* 特性列表 */
.feature-list {
    margin-left: 24px;
    margin-bottom: 24px;
}

.feature-list li {
    margin-bottom: 12px;
    color: #4b5563;
}

/* 强调文本 */
.highlight {
    background: #dbeafe;
    color: #1e40af;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

/* 返回链接 */
.back-link {
    display: inline-block;
    margin-top: 40px;
    color: #3b82f6;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* 章节标题 */
.section-title {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
    margin-top: 32px;
}

/* 表格 */
.api-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 14px;
}

.api-table th,
.api-table td {
    padding: 12px 16px;
    text-align: left;
    border: 1px solid #e5e7eb;
}

.api-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #1f2937;
}

.api-table td {
    color: #4b5563;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-container {
        padding: 24px 16px;
    }
    
    .content-title {
        font-size: 24px;
    }
}