.introduce-wrap {
    overflow: hidden;
}
.intro-head {
    background: url(../img/about1.jpeg); /* 添加背景图片居中 */
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 464px;
}

@media (max-width: 767px) {
    .intro-head {
        height: 200px;
        background-size: auto 100%;
        background-position: 13% center;
    }
}

.intro-body .intro-part1 img {
    width: 100%;
    object-fit: cover;
}

.intro-p3-up {
    display: flex;
    margin: 40px 0;
}
.intro-p3-up .intro-p3-up-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.intro-p3-up .intro-p3-up-text .title {
    font-size: 28px;
    letter-spacing: 6px;
}
.intro-p3-up .intro-p3-up-text .sub-title {
    margin-top: 40px;
    font-weight: 700;
    font-size: 44px;
    color: #ddd;
    /* font-family: Arial, Helvetica, sans-serif; */
    transform: scaleX(1) scaleY(1.4); /* 保持宽度不变，高度拉伸1.5倍 */
    transform-origin: bottom left; /* 设置变换的原点，这样拉伸效果从底部开始 */
}

@media (max-width: 767px) {
    .intro-p3-up .intro-p3-up-text .title {
        font-size: 20px;
        letter-spacing: 2px;
    }
    .intro-p3-up .intro-p3-up-text .sub-title {
        font-size: 34px;
    }
}


.intro-p3-up .intro-p3-up-text ul li {
    line-height: 32px;
}

.intro-p3-up .intro-p3-up-text ul li:not(:last-child) {
    margin-bottom: 32px;
}

.intro-p3-up .intro-p3-up-img {
    flex: 1;
    padding: 12px 32px 12px 12px;
}
.intro-p3-up-img img {
    width: 100%;
    object-fit: cover;
}

.intro-p3-down {
    margin-bottom: 30px;
}

.intro-p3-down img {
    width: 100%;
    object-fit: cover;
}

.menu-header a {
    color: #fff;
    text-decoration: unset;
}
.menu-header a:hover {
    color: #fff;
    text-decoration: unset;
}

.menu-style1 li .active {
    font-weight: bold;
    color: #00549d;
}
.menu-box-mobile span a.active {
    font-weight: bold;
    color: #00549d;
}