.about-banner {
    width: 100%;
    max-height: 300px;
    overflow: hidden;
}

.about-banner img {
    width: 100%;
    min-height: 300px;
    object-fit: cover;
}

.about-nav {
    background: #fff;
    border-bottom: 1px solid #eee;
}

.about-nav .container-nav {
    display: flex;
    gap: 21px;
    justify-content: flex-end;
    padding: 22.5px;
    width: 70%;
    margin: 0 auto;
}

.container-nav li {
    background: url(../images/nav-d.png) no-repeat left center;
}

.container-nav li:first-child {
    background: none;
}

.about-nav a {
    color: rgba(153, 153, 153, 1);
    padding-left: 21px;
}

.about-nav .container-nav .active a {
    color: rgba(19, 99, 170, 1);
    font-weight: 600;
}

.about-nav .container-nav a:hover {
    color: rgba(19, 99, 170, 1);
    font-weight: 600;
}

.container {
    position: relative;
}

.breadcrumb {
    font-size: 14px;
    color: rgba(102, 100, 97, 1);
    background: url(../images/yuan.png) no-repeat left center;
    padding-left: 16px;
    position: absolute;
    top: -43px;
    left: 15%;
}

.breadcrumb a {
    color: rgba(102, 100, 97, 1);
}

@media (max-width: 991px) {
    .breadcrumb {
        display: none;
    }
}

.lsyg-title {
    color: rgba(51, 51, 51, 1);
    font-size: 24px;
    font-weight: 600;
    padding-top: 60px;
    padding-bottom: 30px;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 60px;
}

.contact-left {
    width: 60%;
    margin-right: -50px;
    z-index: 2;
}

.contact-left img {
    width: 100%;
    height: auto;
}

.contact-right {
    width: 50%;
}

/* 联系信息框样式 */
.contact-info-box {
    background: rgba(1, 106, 178, 1);
    padding: 30px 60px 38px 150px;
    color: white;
    position: relative;
    z-index: 1;
    margin-top: -60px;
    margin-left: -80px;
}

.contact-section {
    margin-bottom: 25px;
}

.contact-section:last-child {
    margin-bottom: 0;
}

.contact-section h3 {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    color: white;
}

.contact-item1 h3{
    font-size:16px;
    margin-bottom:10px;
    margin-top:20px;
}

.contact-item1 p{
    font-size:16px;
    color:rgba(255,255,255,.6)
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 16px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item i img{
    width:25px;
}

.icon-location {
    background-image: url("../images/address.png");
}

.icon-phone {
    background-image: url("../images/phone.png");
}

.icon-postcode {
    background-image: url("../images/code.png");
}

.icon-email {
    background-image: url("../images/email.png");
}

.contact-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    font-weight: 400;
    width: 5rem;
    flex-shrink: 0;
}

.contact-item span {
    color: rgba(255, 255, 255, 1);
    font-weight: 400;
    flex: 1;
}

@media (max-width: 991px) {
    .contact-info-box {
        padding: 30px 40px 30px 120px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端样式 */
    .about-nav .container-nav {
        flex-direction: column;
        gap: 0;
        padding: 0;
        width: 100%;
        margin: 0;
    }

    .about-nav .container-nav li {
        background: none;
        border-bottom: 1px solid #eee;
    }

    .about-nav .container-nav li:first-child {
        background: none;
    }

    .about-nav a {
        padding: 15px 20px;
        display: block;
        text-align: center;
        font-size: 16px;
    }

    .about-nav .container-nav .active a {
        background: rgba(19, 99, 170, 0.1);
        border-left: 4px solid rgba(19, 99, 170, 1);
    }

    /* 面包屑导航移动端样式 */
    .breadcrumb {
        display: none;
    }

    /* 联系页面内容移动端样式 */
    .contact-content {
        flex-direction: column;
        gap: 30px;
        padding: 30px 15px;
    }
    
    .contact-left,
    .contact-right {
        width: 100%;
    }

    .contact-left img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }
    
    .contact-info-box {
        margin-left: 0;
        margin-top: 20px;
        padding: 25px 20px;
        border-radius: 8px;
    }

    .contact-section h3 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .contact-item {
        margin-bottom: 15px;
        font-size: 13px;
    }

    .contact-item i {
        width: 18px;
        height: 18px;
        margin-right: 12px;
    }

    .contact-item p {
        font-size: 14px;
        width: 4rem;
    }

    .contact-item span {
        font-size: 14px;
    }

    .lsyg-title{
        font-size:20px;
        padding-top:30px;
    }
}

/* 超小屏幕样式 */
@media (max-width: 480px) {
    .about-nav a {
        padding: 12px 15px;
        font-size: 14px;
    }

    .contact-content {
        padding: 20px 10px;
        gap: 20px;
    }

    .contact-info-box {
        padding: 20px 15px;
        margin-top: 15px;
    }

    .contact-section h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .contact-item {
        margin-bottom: 12px;
        font-size: 12px;
    }

    .contact-item i {
        width: 16px;
        height: 16px;
        margin-right: 10px;
    }

    .contact-item p {
        font-size: 13px;
        width: 3.5rem;
    }

    .contact-item span {
        font-size: 13px;
    }
}