*{padding: 0;
    margin: 0;
    box-sizing: border-box;}
    ul {
        list-style: none;
    }
    button{
        /* 清除默认边框 */
        border:0;
        outline:none;
       /*清除默认背景 */
       background-color: transparent;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: #db2510;
            /* 移除 max-width: 750px */
          }
          
          /* 新增：限制内容最大宽度为 750px，并居中 */
          .container-fluid {
            max-width: 750px;
            margin: 0 auto; /* 居中 */
            width: 100%;
          }
          

.wrap {
    max-width: 800px;
    margin: 0 auto;
}

.position-relative {
    position: relative !important;
}
img{
    /* max-width: 800px; */
    width: 100%;
}
img {
    vertical-align: middle;
    border-style: none;
}
img {
    overflow-clip-margin: content-box;
    overflow: clip;
}

.toFormBtn {
    position: absolute;
    
    animation: fang 1.5s infinite;
}
@keyframes click {
    0% {
        opacity: 1;
        transform: scale(1.1)
    }

    13% {
        opacity: .8;
        transform: scale(.93)
    }

    40%,to {
        opacity: 1;
        transform: scale(1.1)
    }
}
@keyframes fang {
    0% {
        opacity: 1;
        transform: scale(1.1)
    }

    50% {
        opacity: .8;
        transform: scale(.93)
    }

    100% {
        opacity: 1;
        transform: scale(1.1)
    }
}

.text-center {
    text-align: center !important;
}
.b-2 {
    transform: translate(-50%);
    left: 8%;
    width: 80%;
    bottom: 6%;
}
.mainGif{
    position: absolute;
    transform: translate(-50%);
    left: 6%;
    width: 88%;
    top: 1.5%;

}
.buttonBox{
    -ms-flex-pack: center !important;
    justify-content: center !important;
    display: -ms-flexbox !important;
    display: flex !important;
    position: absolute !important;
    width: 100% !important;
    left: 0;
    bottom: 0%;
}
.buttonBox img{ 
width: 80%;
}
.experienceTabBtn {
    border: none;
    background: transparent;
    cursor: pointer;
    animation: downSmall 1.5s infinite;
}

@keyframes downSmall {
    0% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-5px)
    }

    to {
        transform: translateY(0)
    }
}
.d-none {
    display: none !important;
}
.bg-lb{
    text-align: center;
}
.bg-lb img{
    width: 95%;
}



 /* 悬浮图片容器样式 */
 .floating-container {
    width: 100%;
    max-width: 700px;
    position: fixed;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    z-index: 1999;
}
 /* 放大缩小动画的定义 */
 @keyframes zoomInOut {
    0%, 100% {
        transform: scale(1); /* 原始大小 */
    }
    50% {
        transform: scale(1.2); /* 放大到1.2倍 */
    }
}

/* 设置动画效果的样式 */
.floating-image {
    width: 77%;
    display: block;
    margin: auto;
    animation: zoomInOut 2s infinite; /* 应用动画 */
}