@charset "UTF-8";
.carousel-inner {
    background-image: url(../img/fw_banner.jpg);
    background-repeat: no-repeat;
    background-size: cover;      /* 覆盖整个盒子 */
    background-position: center; /* 居中显示 */
}
.container_title_box {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
}

.container .container_item_box {
    height: 240px;
    border-radius: 25px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.07);
    margin: 15px 0px;
    padding: 0;
    box-sizing: border-box;
    background-image: url(data:image/png;base64,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);
    background-repeat: no-repeat;
    background-size: 30% auto;
    background-position: -1px 102%;
}
.container .container_item_box .title {
    padding: 15px 25px;
    font-size: 18px;
}

.container .container_item_box:hover {
     /* 去除背景图片 */
  background-image: none;
}


.container .container_item_box .introduction {
    padding: 0px 25px 15px 40px;
    font-size: 14px;
    visibility: hidden
}

/* 悬停时显示 introduction */
.container_item_box:hover .introduction {
  visibility: visible
}

.container .container_item_box .btn_info {
    height: 40px;
    margin-bottom: 20px;
    position: relative;
}

.container .container_item_box .btn_info img {
    position: absolute;
    right: 20px;
    /* bottom: 20px; */
}
@media (max-width: 992px) {
    .carousel-item img {
        width: 600px !important;
        height: 260px !important; 
        object-fit: cover !important;
        margin: auto !important;
    }
}

@media (min-width: 1200px) {
    .carousel-item img {
        width: 1200px !important;
        height: 520px !important; 
        object-fit: cover !important;
        margin: auto !important;
    }
}