/* 前台公共底部 */

.site-footer {
    margin-top: 48px;
    background: #0b1b36;
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.7;
}

.site-footer a {
    color: #94a3b8;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.site-footer a:hover {
    color: #ffffff;
}

.site-footer-inner {
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-footer-main {
    display: grid;
    grid-template-columns: minmax(220px, 1.35fr) minmax(180px, 1fr) minmax(140px, 0.8fr) minmax(160px, 0.9fr);
    gap: 36px 28px;
    padding: 44px 0 32px;
}

.site-footer-brand .site-footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: #fff !important;
}

.site-footer-brand .site-footer-logo img {
    display: block;
    border-radius: 8px;
    background: #fff;
}

.site-footer-brand .site-footer-logo strong {
    font-size: 18px;
    font-weight: 450;
    letter-spacing: 0.02em;
}

.site-footer-desc {
    margin: 0;
    max-width: 320px;
    font-size: 13px;
    line-height: 1.8;
    color: #94a3b8;
}

.site-footer-col h3 {
    margin: 0 0 16px;
    font-size: 15px;
    font-weight: 450;
    color: #ffffff;
}

.site-footer-col ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer-col li {
    margin: 0 0 10px;
}

.site-footer-nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.site-footer-qr {
    width: 120px;
    height: 120px;
    padding: 4px;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.site-footer-qr img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.site-footer-qr-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 8px;
    text-align: center;
    font-size: 12px;
    line-height: 1.4;
    color: #9ca3af;
    background: #f8fafc;
}

.site-footer-qr-tip {
    margin: 10px 0 4px;
    font-size: 13px;
    color: #cbd5e1;
}

.site-footer-mail {
    margin: 0;
    font-size: 12px;
    color: #94a3b8;
    word-break: break-all;
}

.site-footer-mail a {
    color: #cbd5e1;
}

.site-footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    padding: 16px 0;
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    font-size: 13px;
}

.site-footer-links > span {
    color: #e2e8f0;
    font-weight: 450;
}

.site-footer-copy {
    padding: 18px 0 22px;
    text-align: center;
    font-size: 13px;
    color: #64748b;
}

.site-footer-copy a {
    color: #94a3b8;
}

.site-footer-sep {
    margin: 0 8px;
    color: #475569;
}

@media (max-width: 980px) {
    .site-footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 28px 24px;
        padding-top: 36px;
    }
    .site-footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    .site-footer {
        margin-top: 32px;
    }
    .site-footer-main {
        /* 相关服务 | 公众号 并排 */
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: 24px 16px;
        padding: 28px 0 24px;
    }
    .site-footer-brand,
    .site-footer-main > .site-footer-col:nth-child(2) {
        grid-column: 1 / -1;
    }
    .site-footer-desc {
        max-width: none;
    }
    .site-footer-nav-grid {
        max-width: none;
        width: 100%;
    }
    .site-footer-col h3 {
        margin-bottom: 12px;
        font-size: 14px;
    }
    .site-footer-contact .site-footer-qr {
        width: 96px;
        height: 96px;
    }
    .site-footer-contact .site-footer-mail {
        margin-top: 10px;
        font-size: 12px;
        line-height: 1.5;
    }
    .site-footer-links {
        gap: 8px 14px;
    }
    .site-footer-copy {
        text-align: left;
        line-height: 1.8;
    }
}