/* 首页 */
.about-section {
    width: 1200px;
    margin: 0 auto;
    padding: 56px 0 0;
    scroll-margin-top: 88px;
}

.about-section__title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 24px;
    background: url('https://xbxm.oss-cn-shenzhen.aliyuncs.com/xbxm_official_website/images/title_bg.png') no-repeat center center;
    padding-bottom: 80px;
}

.about-section__title--red {
    color: #DA4200;
}

.about-section__desc {
    text-align: center;
    color: #555;
    font-size: 14px;
    line-height: 28px;
    padding: 0 80px;
    margin-bottom: 32px;
}

.about-section__box {
    background: #f3f2f2;
    padding: 40px 48px 48px;
    position: relative;
}

.about-section__more {
    position: absolute;
    top: 16px;
    right: 24px;
    font-size: 13px;
    color: #999;
    cursor: pointer;
}

.about-section__box--intro {
    background: #f5f5f5;
    padding: 48px 56px;
}

.about-intro {
    display: flex;
    gap: 64px;
    align-items: center;
}

.about-intro__list {
    flex: 1;
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-intro__list li {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 36px;
    font-size: 15px;
    color: #333;
    line-height: 1.5;
}

.about-intro__list li:last-child {
    margin-bottom: 0;
}

.about-intro__num {
    color: #DA4200;
    font-weight: 700;
    font-size: 18px;
}

.about-intro__dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #DA4200;
    margin-top: 8px;
}

.about-intro__media {
    flex: 1;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.about-intro__media .about-section__more {
    position: static;
    margin-bottom: 12px;
    font-size: 13px;
    color: #666;
}

.about-intro__img {
    width: 100%;
}

.about-intro__img img {
    width: 100%;
    height: auto;
    display: block;
}
.about-gallery {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.about-gallery--cols3 .about-gallery__item {
    flex: 1;
    min-width: 0;
    position: relative;
    overflow: hidden;
}

.about-gallery__item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.about-gallery__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px 16px;
    background: rgba(218, 66, 0, 0.85);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
}

.about-gallery--course {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.about-gallery--course .about-gallery__item {
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.about-gallery--course .about-gallery__item:nth-child(1),
.about-gallery--course .about-gallery__item:nth-child(2) {
    grid-column: span 3;
}

.about-gallery--course .about-gallery__item:nth-child(1) img,
.about-gallery--course .about-gallery__item:nth-child(2) img {
    height: 260px;
}

.about-gallery--course .about-gallery__item:nth-child(3),
.about-gallery--course .about-gallery__item:nth-child(4),
.about-gallery--course .about-gallery__item:nth-child(5) {
    grid-column: span 2;
}

.about-gallery--course .about-gallery__item:nth-child(n+3) img {
    height: 200px;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.about-tags--cols3 .about-tag {
    flex: 1;
    min-width: 200px;
    max-width: 360px;
}

.about-tags--spirit {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-tags--spirit .about-tag:nth-child(n+3) {
    grid-column: span 1;
}

.about-tags--spirit .about-tag--wide {
    grid-column: span 1;
}

.about-tag {
    background: #DA4200;
    color: #fff;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    border-radius: 2px;
}

.about-tag__icon {
    width: 20px;
    height: 20px;
    opacity: 0.9;
}

.about-partners {
    display: flex;
    gap: 24px;
}

.about-partner-card {
    flex: 1;
    background: #fff;
    padding: 24px;
    border: 1px solid #eee;
}

.about-partner-card__img {
    width: 100%;
    height: 180px;
    background: #f5f5f5;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 14px;
}

.about-partner-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-partner-card h4 {
    font-size: 16px;
    color: #333;
    margin: 0 0 12px;
    font-weight: 700;
}

.about-partner-card p {
    font-size: 13px;
    color: #666;
    line-height: 22px;
    margin: 0;
}
.home_introduce_img {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    object-fit: contain;
}

@media (max-width: 1240px) {
    .about-section { width: 94%; }
    .about-intro, .about-intro__media { flex-direction: column; }
    .about-partners { flex-direction: column; }
    .about-tags--spirit { grid-template-columns: 1fr; }
    .about-gallery { flex-direction: column; }
    .about-gallery__item img { height: auto; min-height: 180px; }
    .about-gallery--course {
        display: flex;
        flex-direction: column;
    }
    .about-gallery--course .about-gallery__item:nth-child(n) {
        grid-column: auto;
    }
}