/* 清除默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* 新增样式 */
.header {
    width: 100%;
    min-width: 1280px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.hwbox {
    width: 1280px;
    min-width: 1280px;
    margin: 0 auto;
    padding: 10px 0;
    overflow: hidden;
}

.logo {
    height: 50px;
    float: left;
    margin-right: 20px;
}

.nav {
    display: inline-block;
    vertical-align: middle;
}

.nav a {
    display: inline-block;
    margin-right: 20px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    line-height: 50px;
    vertical-align: middle;
    height: 50px;
}

.nav a:hover {
    color: #0066cc;
}

.tell {
    float: right;
    color: #0066cc;
    font-weight: bold;
    font-size: 14px;
    line-height: 50px;
}


.footer {
    width: 100%;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 40px 0;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.w1280 {
    width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer_left {
    width: 300px;
}

.footer_left img {
    width: 200px;
    height: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer_left p {
    line-height: 1.6;
    color: #bdc3c7;
    margin: 0;
    font-size: 14px;
}

.footer_right {
    width: 960px;
    overflow: hidden;
}

.qrcode {
    float: right;
    width: auto;
    margin-right: 2%;
}



.contact-icon h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #ffffff;
}

.contact-info p {
    margin: 5px 0;
    color: #bdc3c7;
    font-size: 14px;
}

.qrcode {
    display: flex;
    gap: 20px;
}

.qrcode li {
    list-style: none;
    text-align: center;
}

.qrcode img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
    border: 2px solid #3498db;
    border-radius: 8px;
}

.qrcode span {
    display: block;
    color: #bdc3c7;
    font-size: 14px;
}

.banquan {
    width: 100%;
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

.banquan p {
    margin: 5px 0;
    color: #7f8c8d;
    font-size: 12px;
}

.banquan a {
    color: #3498db;
    text-decoration: none;
}

.banquan a:hover {
    text-decoration: underline;
}



.footer_item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #fff;
}

.footer_item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer_item ul li {
    margin-bottom: 10px;
    float: left;
    margin-right: 20px;
}

.footer_item ul li a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer_item ul li a:hover {
    color: #3498db;
    text-decoration: none;
}


.footer_item {
    float: left;
    width: 180px;
    margin-right: 30px;
}

.contact-icon {
    float: left;
}

.footer_item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #ffffff;
}