body {
    margin: 0;
    padding: 0;
    background-color: #ffffff;
}

.container {
    position: relative;
}

.container nav ul li {
    margin-right: 100px; /* 选项之间的间距 */
}

.nav-img {
    position: revert;
    top: 84px;
    left: 0;
    width: 100%;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 84px;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

nav img {
    height: 150px;
    width: auto;
    margin-right: 100px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

nav li {
    margin-right: 10px;
}

nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 18px;
}

.list2 {
    text-align: center;
}

.list2 img {
    width: 50%;
    margin-top: 60px;
}

footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 20px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-content {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

.footer-logo {
    width: 200px; /* 调整为合适的宽度 */
    margin-right: 30px;
}

.footer-text {
    flex: 1;
    margin-right: 30px;
}

.footer-text p {
    margin: 0;
    font-size: 18px;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
}


.company-box {
    padding: 100px 0 150px;
}

.company-box .title {
    font-size: 30px;
    padding: 3%;
    font-weight: 600;
    text-align: center;
}

.company-box .content {
    display: flex;
    align-items: baseline;
    justify-content: center; /* 水平居中 */
    margin-left: auto; /* 让左边距自动，以便居中 */
    margin-right: auto; /* 让右边距自动，以便居中 */
}

.company-box .content ul {
    list-style-type: none;
    padding: 0;
    margin-top: 20px;
}

.company-box .content ul li {
    background-color: #f0f0f0; /* 默认灰色背景 */
    padding: 10px;
    margin-bottom: 5px;
}

.company-box .content ul li:nth-child(odd) {
    background-color: #ffffff; /* 奇数行白色背景 */
}

.company-box .content ul li span:first-child {
    display: inline-block;
    width: 100px;
}
.topup{
    background: url('../img/ascertain.png') no-repeat;
    width: 254px;
    height: 88px;
    background-size: 100%;
    display: inline-block;
    margin-top: 15px;
}

.company-box .content ul li span {
    margin-right: 100px;
}
.header-but{
  width: 252px;
  height: 41px;
  background: url("../img/buyer.png") no-repeat;
  background-size: 100%;
  display: inline-block;
    
}