body {
    max-width: 720px;
    margin: 0 auto;
    /* overflow-x: hidden; */
}

* {
    padding: 0;
    border: 0;
    box-sizing: border-box;
}
ul {
    list-style: none;
}
.header.index-header {
    height: 78px;
    border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
}
.header {
    position: fixed;
    z-index: 99;
    width: 100%;
    max-width: 720px;
    background-image: linear-gradient(to right, #fddd00, #eeac00, #efd900, #ede200, #e9e007, #e7df00, #f1e800);
}

.header .logo-box {
    height: 50px;
}
.header .logo {
    float: left;
    height: 50px;
    margin-left: 0px;
}
.header .logo .logo-img {
    width: 208px;
    height: 50px;
}
.header .bank {
    float: right;
    position: relative;
    width: 90px;
    height: 50px;
}
.header .bank img {
    display: block;
    width: 85px;
    height: 50px;
    margin: 0 auto;
}
.nav {
    border-bottom-right-radius: 5px;
    border-bottom-left-radius: 5px;
    overflow: hidden;
    border-top: 1px solid #000;
}


.container {
    width: 99%; /* 或者其他你想要的宽度 */
}
.containerer {
    width: 88%; /* 或者其他你想要的宽度 */
}
 
.responsive-image {
    max-width: 100%;
    height: auto;
}