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

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: #f5f6f8;
    padding: 12px 12px 24px;
    -webkit-text-size-adjust: 100%;
}

.page-title {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    text-align: center;
}

.summary {
    background: #fff;
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 12px;
    color: #666;
    font-size: 13px;
    line-height: 1.7;
}

.card {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: #222;
    padding: 14px 16px 10px;
    border-bottom: 1px solid #f0f0f0;
}

.row {
    display: flex;
    padding: 10px 16px;
    border-bottom: 1px solid #f5f5f5;
}

.row:last-child {
    border-bottom: none;
}

.label {
    flex: 0 0 88px;
    color: #999;
    font-size: 13px;
}

.value {
    flex: 1;
    color: #333;
    font-size: 13px;
    word-break: break-all;
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 18px;
}

.tag-required {
    background: #fff3e8;
    color: #ff9831;
}

.tag-optional {
    background: #f0f0f0;
    color: #666;
}

.tag-scene {
    background: #eef6ff;
    color: #3b82f6;
}

.article {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.article h1 {
    font-size: 20px;
    color: #222;
    text-align: center;
    margin-bottom: 12px;
}

.article h2 {
    font-size: 16px;
    color: #222;
    margin: 18px 0 10px;
    font-weight: 600;
}

.article h3 {
    font-size: 14px;
    color: #444;
    margin: 14px 0 8px;
    font-weight: 600;
}

.article p,
.article li {
    font-size: 13px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 8px;
}

.article ul,
.article ol {
    padding-left: 18px;
    margin-bottom: 10px;
}

.article .meta {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-bottom: 14px;
    line-height: 1.7;
}

.article .toc {
    background: #fafafa;
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 14px;
}

.article .toc a {
    display: block;
    font-size: 13px;
    line-height: 1.9;
}

.sdk-card {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 12px;
    padding: 14px 16px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.sdk-name {
    font-size: 15px;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
}

.sdk-row {
    font-size: 13px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 6px;
}

.sdk-row strong {
    color: #888;
    font-weight: 500;
}

.info-type-list {
    margin: 4px 0 10px 0;
    padding: 0 0 0 12px;
    list-style: none;
    border-left: 2px solid #ffe8d4;
}

.info-type-list li {
    font-size: 12px;
    color: #555;
    line-height: 1.75;
    margin-bottom: 6px;
    padding-left: 4px;
}

.info-type-list li strong {
    color: #666;
    font-weight: 600;
}

.article .sdk-card {
    margin-top: 0;
}

.article .sdk-card .sdk-row {
    font-size: 12px;
}

.footer {
    margin-top: 8px;
    padding: 14px 16px;
    background: #fff;
    border-radius: 10px;
    font-size: 12px;
    color: #999;
    line-height: 1.7;
}

.footer strong {
    color: #666;
    font-weight: 600;
}

a {
    color: #ff9831;
    text-decoration: none;
}