.fade-out {
    animation: fadeOut 1.5s;
}

@keyframes fadeOut {
    0% {
        opacity: 0;
        transform: translateX(-25px);
    }

    100% {
        opacity: 1;
        transform: translateX(0px);
    }
}

/* banner */
.banner_box {
    position: relative;
    width: 100%;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
    /* 不让图片超出容器 */
    overflow: hidden;
}

.banner {
    display: block;
    width: 100%;
    object-fit: cover;
    transform: scale(1.1);
    transition: transform 1s ease-in-out;
}

.banner_box:hover .banner {
    transform: scale(1);
}

.banner-text {
    position: absolute;
    width: 80%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    font-size: 64px;
    opacity: 1;
    /* 添加过渡效果 */
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

/* 左进场动画 */
.slide-in-left {
    width: 550px;
    object-fit: cover;
    margin: 60px auto;
    animation: slide-in-left 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@-webkit-keyframes slide-in-left {
    0% {
        -webkit-transform: translateX(-1000px);
        transform: translateX(-1000px);
        opacity: 0;
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-in-left {
    0% {
        -webkit-transform: translateX(-1000px);
        transform: translateX(-1000px);
        opacity: 0;
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 1;
    }
}

/* 右进场动画 */
.slide-in-right {
    color: #FFF;
    text-align: center;
    font-family: Source Han Sans CN;
    font-size: 60px;
    font-style: normal;
    font-weight: 900;
    line-height: 63px;
    /* 105% */
    letter-spacing: 6px;
    animation: slide-in-right 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@-webkit-keyframes slide-in-right {
    0% {
        -webkit-transform: translateX(1000px);
        transform: translateX(1000px);
        opacity: 0;
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-in-right {
    0% {
        -webkit-transform: translateX(1000px);
        transform: translateX(1000px);
        opacity: 0;
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        opacity: 1;
    }
}

.content_container {
    box-sizing: border-box;
    padding: 60px 12vw;
}


.content_container h1 {
    margin-bottom: 100px;
    color: #000;
    text-align: center;
    font-family: Source Han Sans CN;
    font-size: 60px;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 6px;
}

.label_container {
    display: flex;
    align-items: center;
}

.label_container span:nth-child(2) {
    margin-left: 10px;
    color: rgba(216, 12, 36, 1);
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 0.15em;
}

.label {
    display: block;
    width: 5px;
    height: 20px;
    border-radius: 11px;
    background: rgba(216, 12, 36, 1);
}

.content {
    box-sizing: border-box;
    padding: 30px 15px;
    border-bottom: 1px solid rgba(225, 225, 225, 1);
    font-size: 20px;
    line-height: 45px;
    margin-bottom: 30px;
    letter-spacing: 0.15em;
    /* 相对值 */
}

.more {
    background-color: rgba(216, 12, 36, 1);
    width: 200px;
    height: 65px;
    line-height: 65px;
    font-size: 18px;
    display: block;
    font-weight: bold;
    color: #ffffff;
    border: 1px solid rgba(216, 12, 36, 1);
    margin: 60px auto 60px auto;
    text-align: center;
    transition: all 0.6s;
    cursor: pointer;
    border-radius: 5px;
}

.more:hover {
    animation: box-shadow-drop-bottom 0.4s both;
}

@-webkit-keyframes box-shadow-drop-bottom {
    0% {
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    100% {
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
    }
}

@keyframes box-shadow-drop-bottom {
    0% {
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }

    100% {
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
    }
}