/* 帮助中心 */
.helpWrap {
    width: 100%;
    max-width: 1200px;
    margin: 20px auto 60px;
    padding: 0 15px;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.helpBreadcrumb {
    width: 100%;
    margin-bottom: 20px;
    padding: 10px 0;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #eee;
}

.helpBreadcrumb a {
    color: #f2711c;
    text-decoration: none;
}

.helpBreadcrumb a:hover {
    text-decoration: underline;
}

.helpWrapLeft {
    width: 260px;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 10px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.helpWrapLeft ul,
.helpWrapLeft li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.help_categoryItem {
    border-bottom: 1px solid #f0f0f0;
}

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

.help_categoryTitle {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    background: #fafafa;
    transition: background 0.2s;
    user-select: none;
}

.help_categoryTitle:hover {
    background: #f5f5f5;
}

.help_categoryTitle .icon {
    color: #f2711c;
    margin-right: 8px;
}

.help_categoryTitle .help_categoryIcon {
    margin-left: auto;
    margin-right: 0;
    transition: transform 0.2s;
    font-size: 12px;
}

.help_categoryTitle .help_categoryIcon.rotated {
    transform: rotate(180deg);
}

.help_categoryContent {
    overflow: hidden;
}

.help_categoryContent.displayNone {
    display: none;
}

.help_topicLink {
    display: block;
    padding: 10px 15px 10px 42px;
    font-size: 14px;
    color: #555;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    white-space: normal;
    word-break: break-word;
    line-height: 1.5;
}

.help_topicLink:hover {
    background: #fff8f0;
    color: #f2711c;
}

.help_topicLink.active {
    background: #fff3e0;
    color: #e65100;
    border-left-color: #f2711c;
    font-weight: 600;
}

.helpWrapRight {
    flex: 1;
    min-width: 0;
    margin-left: 20px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 25px 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.helpWrapRight .title h1 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin: 0 0 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f2711c;
}

.helpContentHead {
    font-size: 16px;
    font-weight: 600;
    color: #f2711c;
    margin-bottom: 10px;
}

.help_synopsisText {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 25px;
    padding: 15px;
    background: #fafafa;
    border-left: 4px solid #f2711c;
    border-radius: 0 4px 4px 0;
}

.help_detailBody {
    font-size: 14px;
    line-height: 1.8;
    color: #444;
}

.help_articleSection {
    margin-bottom: 25px;
}

.help_articleSection h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0 0 12px;
}

.help_articleSection p {
    margin: 0 0 12px;
}

.help_articleSection ul {
    margin: 0 0 12px 20px;
    padding: 0;
}

.help_articleSection ul li {
    margin-bottom: 8px;
}

.help_articleSection strong {
    color: #333;
}

/* 响应式 */
@media (max-width: 768px) {
    .helpWrap {
        flex-direction: column;
    }

    .helpWrapLeft,
    .helpWrapRight {
        width: 100%;
        margin-left: 0;
    }

    .helpWrapLeft {
        margin-bottom: 15px;
    }

    .helpWrapRight {
        padding: 20px 15px;
    }
}
