/* 钢之家帮助中心 */
.help-page {
    background: #f5f6f8;
    min-height: 400px;
}
.help-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 12px 40px;
    overflow: visible;
}
.help-layout {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    gap: 16px;
    overflow: visible;
}
.help-aside {
    width: 240px;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    overflow: visible;
}
.help-aside-title {
    margin: 0;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: #c62e02;
    letter-spacing: 1px;
}
.help-nav {
    padding: 8px 0 12px;
}
.help-nav-group {
    border-bottom: 1px solid #eef1f5;
}
.help-nav-group:last-child {
    border-bottom: 0;
}
.help-nav-group-title {
    display: block;
    width: 100%;
    padding: 10px 16px;
    border: 0;
    background: #fafafa;
    color: #222;
    font-size: 14px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}
.help-nav-group-title:hover {
    color: #c62e02;
    background: #fff7f4;
}
.help-nav-list {
    list-style: none;
    margin: 0;
    padding: 4px 0 8px;
}
.help-nav-list a {
    display: block;
    padding: 8px 16px 8px 20px;
    color: #444;
    font-size: 13px;
    line-height: 1.45;
    border-left: 3px solid transparent;
}
.help-nav-list a:hover {
    color: #c62e02;
    background: #fff7f4;
}
.help-nav-list a.is-active {
    color: #c62e02;
    font-weight: 700;
    background: #fff7f4;
    border-left-color: #c62e02;
}
.help-main {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    min-width: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    padding: 20px 24px 28px;
    overflow: visible;
}
.help-crumb {
    margin: 0 0 16px;
    padding: 0 0 12px;
    border-bottom: 1px solid #eef1f5;
    font-size: 13px;
    color: #666;
    overflow: visible;
}
.help-crumb a {
    color: #666;
}
.help-crumb a:hover {
    color: #c62e02;
}
.help-crumb span {
    color: #999;
    margin: 0 6px;
}
.help-crumb strong {
    color: #222;
    font-weight: 600;
}
.help-article {
    overflow: visible;
    text-align: left;
    color: #333;
    line-height: 1.8;
}
.help-article h1 {
    margin: 0 0 16px;
    font-size: 22px;
    line-height: 1.35;
    color: #1a1a1a;
    font-weight: 700;
}
.help-article img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
    border: 0;
}
.help-article .help-body {
    font-size: 14px;
}
.help-article .help-body p,
.help-article .help-body li {
    margin-bottom: 8px;
}
.help-faq,
.help-section {
    margin: 0 0 14px;
    border: 1px solid #eee;
}
.help-faq dt,
.help-section dt {
    margin: 0;
    padding: 10px 14px;
    background: #fff4e5;
    font-weight: 700;
    color: #333;
}
.help-faq dd,
.help-section dd {
    margin: 0;
    padding: 12px 14px 14px;
    background: #fff;
}
.help-body table {
    width: 100% !important;
    max-width: 100%;
    border-collapse: collapse;
}
.help-body td {
    word-break: break-word;
}
.help-table td {
    vertical-align: top;
    line-height: 1.7;
}
.help-pager {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    gap: 12px;
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid #eef1f5;
    overflow: visible;
}
.help-pager a {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid #e5e7eb;
    background: #fafafa;
    color: #333;
    font-size: 13px;
}
.help-pager a:hover {
    border-color: #c62e02;
    color: #c62e02;
    background: #fff7f4;
}
.help-pager .is-disabled {
    visibility: hidden;
}

/* 首页总览 */
.help-hero {
    margin: 0 0 24px;
    padding: 22px 24px;
    background: linear-gradient(135deg, #fff 0%, #fff7f4 55%, #f5f6f8 100%);
    border: 1px solid #f0d2c6;
    overflow: visible;
}
.help-hero h1 {
    margin: 0 0 8px;
    font-size: 26px;
    color: #1a1a1a;
}
.help-hero p {
    margin: 0;
    color: #555;
    font-size: 14px;
    line-height: 1.7;
    max-width: 720px;
}
.help-quick {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 10px;
    margin: 16px 0 0;
    overflow: visible;
}
.help-quick a {
    display: inline-block;
    padding: 8px 14px;
    background: #c62e02;
    color: #fff !important;
    font-size: 13px;
    font-weight: 600;
}
.help-quick a.help-quick-ghost {
    background: #fff;
    color: #c62e02 !important;
    border: 1px solid #c62e02;
}
.help-quick a:hover {
    opacity: 0.92;
}
.help-cats {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 14px;
    overflow: visible;
}
.help-cat {
    width: calc(50% - 7px);
    box-sizing: border-box;
    border: 1px solid #e5e7eb;
    background: #fff;
    padding: 16px 16px 12px;
    overflow: visible;
}
.help-cat h2 {
    margin: 0 0 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid #c62e02;
    font-size: 16px;
    color: #1a1a1a;
}
.help-cat ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.help-cat li {
    margin: 0;
    border-bottom: 1px dashed #eee;
}
.help-cat li:last-child {
    border-bottom: 0;
}
.help-cat a {
    display: block;
    padding: 8px 0;
    color: #333;
    font-size: 13px;
}
.help-cat a:hover {
    color: #c62e02;
}
.help-cat a small {
    display: block;
    margin-top: 2px;
    color: #888;
    font-size: 12px;
    font-weight: 400;
}
.help-featured {
    margin-top: 20px;
    padding: 16px;
    border: 1px solid #e5e7eb;
    background: #fafafa;
    overflow: visible;
}
.help-featured h2 {
    margin: 0 0 10px;
    font-size: 16px;
}
.help-featured a.help-pic-link {
    display: inline-block;
    color: #c62e02;
    font-weight: 600;
}

@media screen and (max-width: 900px) {
    .help-layout {
        display: block;
    }
    .help-aside {
        width: 100%;
        margin-bottom: 12px;
    }
    .help-nav {
        max-height: 220px;
        overflow-y: auto;
    }
    .help-cat {
        width: 100%;
    }
    .help-main {
        padding: 16px;
    }
    .help-article h1 {
        font-size: 20px;
    }
}