* {
    margin: 0;
    padding: 0;
}

.w {
    width: 1150px;
    margin: 0 auto;
}

ul li {
    list-style-type: none;
}

a {
    text-decoration: none;
}

.m-15{
    margin: 0 15px;
}

.mt-15{
    margin-top: 8px;
}

.mr-15{
    margin-right: 15px;
}

i,
em {
    font-style: normal;
}

.d-flex{
    display: flex;
}

header {
    background: #f7f7f7;
}

header .head {
    display: flex;
    align-items: center;
    padding: 5px 0;
}

header .head .head-nav {
    display: flex;
    margin-left: 40px;
}

header .head .head-nav li {
    width: 150px;
    text-align: center;
    position: relative;
}


header .head .head-nav li a {
    color: black;
}

header .head .head-nav .active::after {
    content: '';
    position: absolute;
    width: 35%;
    height: 3px;
    background: #6da832;
    bottom: -21px;
    left: 50%;
    transform: translateX(-50%);

}

header .head-line {
    width: 100%;
    height: 0px;
    background: #19583b;
}

footer {
    background-color: rgb(24,91,59);
    padding-bottom: 90px;
}

footer .contact-box{
    position: relative;
 
       padding-top: 30px;
}

footer .contact-box .title{
    position: absolute;
    top: -30px;
    left: 50%;
    height: 59px;
    transform: translateX(-50%);
    font-size: 24px;
    width: 240px;
    color: #fff;
    font-weight: bold;
    text-align: center;
    background: url(../images/contact_03.jpg);
}

footer .contact-box  .title-en-text{
    color:#5dad34;
    text-align: center;
    font-size: 14px;
}


footer .contact-box .contact-info{
    text-align: center;
    color: white;
}

footer .contact-box .contact-title{
    color: rgb(94 182 47);
    font-size: 35px;
    margin-top: 65px;
    text-align: center;
}

footer .contact-box .contact-info{
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
}

footer .contact-box .contact-info .contact-item{
    width: 30%;
}

footer .contact-box .contact-info .contact-info-left{
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;

}

footer .contact-box .contact-info .contact-info-left .code-img img{
    width: 86px;
    height: 86px;
    margin-bottom: 8px;
    border: 1px solid rgb(94, 182, 47);
    padding: 5px;
}

footer .contact-box .contact-info .contact-info-left{
    font-size: 14px;
}

footer .contact-box .contact-info .contact-middle{
    text-align: left;
}

footer .contact-box .contact-info .contact-middle .contact-middle-item{
    display: flex;
    align-items: center;
    font-size: 12px;
}



footer .contact-box .contact-info .contact-middle .contact-middle-item:nth-of-type(1){
    font-size: 32px;
}

footer .contact-box .contact-info .contact-info-right input{
    background: transparent;
    outline: none;
    border: 1px solid #44895a;
    width: 260px;
    height: 45px;
    padding: 0 10px;
    color: white;
    margin-bottom: 10px;
    border-radius: 3px;
}

footer .contact-box .contact-info .contact-info-right input::placeholder{
    color: white;
}

footer .contact-box .contact-info .contact-info-right button{
    background: rgb(97,191,46);
    color: white;
    border: none;
    outline: none;
    padding: 3px 10px;
    border-radius: 20px;
        
}

.logo-img {
    width: 171px;  
    height: 50px; 
}


.icon-container {
    width: 32px;
    height: 19px;
    overflow: hidden; /* 关键：裁剪超出容器的部分 */
    display: inline-block;
    margin: 10px;
    position: relative; /* 作为图标定位的参考 */
}

/* 雪碧图：作为子元素绝对定位 */
.sprite-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 170px; /* 原图宽度 */
    height: 585px; /* 原图高度 */
    /* 计算缩放比例：目标宽度50 / 原图宽度170 */
    transform: scale(0.2741); /* 50/170≈0.2941 */
    transform-origin: left top; /* 从左上角开始缩放 */
}

.icon-1 .sprite-img { top: -18px; }
.icon-2 .sprite-img { top: -62px; }
.icon-3 .sprite-img { top: -93px; }
.icon-4 .sprite-img { top: -125px; }