.bg-gray {
    background-color: #f5f5f5;
    padding: 80px 0 60px;
    margin: 60px 0 0;
    overflow: hidden;
}

.custom-list {
    margin-left: -7px;
    margin-right: -7px;
    display: flex;
    flex-wrap: wrap;
}

.custom-list li {
    float: left;
    border-width: 0 7px;
    border-style: solid;
    border-color: #f5f5f5;
    text-align: center;
    background-color: #fff;
    margin-bottom: 20px;
    flex: 1;
    transition: .5s;
}

.info {
    padding: 30px;
}

.info .line {
    display: inline-block;
    height: 3px;
    background-color: #EA3A01;
    width: 86px;
    transition: .5s ease-in-out;
}

.custom-list li:hover .line {
    width: 20px;
}

.info .tit {
    font-size: 20px;
    min-width: 86px;
    font-weight: bold;
    color: #3F3F3F;
    text-align: center;
    line-height: 45px;
    overflow: hidden;
}

.info .desc {
    color: #7F7F7F;
    font-size: 14px;
}

.custom-list .pic {
    position: relative;
}

.custom-list .pic>img {
    vertical-align: bottom;
    max-width: 100%;
}

.fg {
    position: absolute;
    width: 100%;
    height: 59px;
    background-repeat: no-repeat;
    top: -1px;
    background-image: url(../images/fg.png);
    background-size: 100%
}

@media(max-width: 767px) {
    .custom-list {
        display: block;
    }

    .custom-list li {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;

    }

    .bg-gray {
        padding: 40px 0;
    }

    .fg {
        display: none;
    }

    .pic {
        order: -1;
        flex: 1;
    }

    .info {
        padding: 0;
        flex: 1;
    }
}

.sad {
    background-color: #c5383f;
}

.a-aboutus .title {
    border-left: #eb3a08 solid 5px;
    padding: 0 20px;
    margin: 15px 0;
}

@media(min-width: 1024px) {
    .picMarquee-left .swiper-slide {
        display: block;
    }
}

/* 模块容器 */
.core-advantages-section {
    padding-top: 60px;
    background-color: #ffffff;
}

.core-advantages-section .row>div {
    position: relative;
}

.application-section .row,
.core-advantages-section .row {
    margin-top: 30px;
}

/* 单个优势项 */
.advantage-item {
    text-align: center;
    padding: 0 15px;
}
.advantage-item:hover .advantage-title::after {
    width: 80px;
}
/* 六边形图标容器 */
.advantage-icon-wrap {
    position: relative;
    width: 170px;
    height: 158px;
    margin: 0 auto 15px;
}

/* 六边形边框 */
.hexagon-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #fff 50%, #fff 50%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    border: 3px solid #e62b2b;
}

/* 图标 */
.advantage-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #333;
}

/* 标题样式 */
.advantage-title {
    font-size: 24px;
    color: #222;
    font-weight: bold;
    margin-bottom: 10px;
    position: relative;
}

/* 标题下方红线 */
.advantage-title::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background-color: #e62b2b;
    margin: 10px auto 0;
    transition: .35s ease-in-out;
}

/* 描述文字 */
.advantage-desc {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 响应式适配 */
@media (min-width: 768px) {
    .core-advantages-section .row div+div::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 3px;
        height: 100%;
        background-color: #f5f5f5;
    }
}


@media (max-width: 991px) {




    .advantage-icon {
        font-size: 40px;
    }

    .advantage-title {
        font-size: 20px;
    }

    .advantage-desc {
        font-size: 16px;
    }
}

@media (max-width: 767px) {
    .newprotitle-d {
        padding-left: 10px;
        padding-right: 10px;
    }

    .core-advantages-section {
        padding: 40px 0;
    }

    .advantage-item {
        padding-bottom: 30px;
        border-bottom: 3px solid #f5f5f5;
    }




    .advantage-title {
        font-size: 18px;
    }

    .advantage-desc {
        font-size: 16px;
        margin-bottom: 1rem;
    }
}

/* 应用领域模块 */
.application-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.section-title-wrap {
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    color: #222;
    font-weight: bold;
    margin: 0 0 10px;
}

.section-subtitle {
    font-size: 18px;
    color: #888;
    margin: 0;
}

/* 单个应用项 */
.application-item {
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

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

.application-label {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: rgba(204, 0, 0, 0.85);
    color: #fff;
    font-size: 22px;
    font-weight: 500;
    text-align: center;
    padding: 6px 0;
}

/* 响应式适配 */
@media (max-width: 991px) {
    .application-img {
        height: 200px;
    }

    .application-label {
        font-size: 20px;
        padding: 10px 0;
    }
}

@media (max-width: 767px) {
    .application-section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .application-img {
        height: 180px;
    }

    .application-label {
        font-size: 18px;
        padding: 8px 0;
    }
}