/* update.php / help.php 共用：背景、主栏占位、右侧推荐与导航地图 */
.about-us.sp-two.upd-wrap {
    background: linear-gradient(180deg, #f7faff 0%, #ffffff 220px);
}
.upd-page {
    --upd-brand: #1E4398;
    --upd-accent: #E4007D;
    --upd-line: #d4e1fa;
}
.upd-main {
    position: relative;
    padding-left: 0;
}
.upd-side-card {
    border: 1px solid #e5ebf8;
    border-radius: 12px;
    background: #fff;
    margin-bottom: 18px;
    box-shadow: 0 4px 12px rgba(30, 67, 152, 0.06);
    overflow: hidden;
}
.upd-side-card .upd-side-card__body {
    padding: 16px 18px;
}
.upd-side-card h2 {
    margin: 0 0 6px 0;
    font-size: 18px;
    color: var(--upd-brand);
    font-weight: 700;
}
.upd-side-card .upd-side-lead {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: #5f6368;
    line-height: 1.6;
}
.upd-side-card ul {
    margin: 0;
    padding-left: 18px;
}
.upd-side-card li {
    margin-bottom: 8px;
    line-height: 1.65;
}
.upd-side-card a {
    color: var(--upd-brand);
    text-decoration: none;
}
.upd-side-card a:hover {
    text-decoration: underline;
    color: var(--upd-accent);
}
.upd-navmap__group {
    margin-bottom: 14px;
}
.upd-navmap__group:last-child {
    margin-bottom: 0;
}
.upd-navmap__label {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 700;
    color: #04205F;
    padding-bottom: 4px;
    border-bottom: 1px solid #e8eef6;
}
.upd-navmap__list {
    margin: 6px 0 0 0;
    padding-left: 16px;
    list-style: disc;
}
.upd-navmap__list li {
    margin-bottom: 5px;
}