html,
body,
ul,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
p,
div {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

a{
    color: #000;
    text-decoration: none;
    /* 针对a标签的cursor:pointer; 移除移动端点击高亮效果 */
    -webkit-tap-highlight-color: transparent;
}
/* a:hover ,
a:focus */
ul , ol {
    list-style: none;
}
input ,
textarea {
    box-sizing: border-box;
    border: 0;
    outline: none;
}
.container{
    width: 1400px;
    margin: 0 auto;
}
.auto_img{
    display: block;
    width: 100%;
}
/* 导航 */
.nav {
    width: 100%;
    height: 6.25rem;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e6e6e6;
    position: relative;
}

.nav_info {
    display: flex;
    align-items: center
}

/* 品牌标签 */
.logo {
    width: 11.25rem;
    margin-right: 8.75rem;
}

.nav_list {
    display: flex;
    margin-right: 7.3125rem;
    align-items: center;
}

.nav_list>div {
    padding: 0 1.25rem;
    box-sizing: border-box;
    height: 3.5625rem;
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    font-family: "微软雅黑";
    font-size: 1.25rem;
    color: #333333;
}

.bottom_line {
    width: 60%;
    height: .25rem;
    background: #C9000E;
    border-radius: 3.125rem;
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    animation: line_animation .3s linear alternate;
}

/* 联系方式 */
.contact_info {
    display: flex;
    align-items: center;
}

.ipone {
    width: 1.375rem;
    margin-right: .3125rem;
}

.ipone_num {

    font-size: 1.25rem;
    color: #C9000E;
}

/* 二级导航栏 */
.Secondary_nav {
    width: 100%;
    background: #FFFFFF;
    box-shadow: 0 7px 12px #6e6e6e1a;
    position: absolute;
    top: 100px;
    left: 0;
    z-index: 999;
    animation: Secondary_nav .3s linear forwards;
}

.Secondary_nav_list {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 86px;
}

.Secondary_nav_info {
    display: inline-block;
    padding: 0 30px;
    box-sizing: border-box;
}

.Secondary_nav_info:hover a {
    font-weight: bold;
}

.Secondary_nav_info>a {
    font-size: 1.125rem;
}
/* 底部公用 */
.footer {
    background: #1F1F1F;
    padding: 40px 0 50px;
    box-sizing: border-box;
}

.footer_info {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer_L_footer_introduce {
    display: flex;
}

.footer_L_mar {
    margin-right: 197px;
}

.About_Us {
    display: flex;
    flex-direction: column;
}

.About_Us>div {
    white-space: nowrap;
    font-size: 18px;
    color: #FFFFFF;
    font-weight: 500;
    font-family: "微软雅黑";
}

.About_Us>a {
    margin-top: 10px;
    color: #999999;
}

.Friendship_link {
    margin-top: 88px;
    font-size: 14px;
    color: #999999;
}

.Friendship_link>div {
    margin-top: 20px;
}

.Friendship_link>div>a {
    font-size: 14px;
    color: #999999;
}

.qy_img_list {
    display: flex;
}

.qy_img {
    width: 140px;
    height: 140px;
    margin-left: 48px;
}

.qy_img>img {
    width: 100%;
    height: 100%;
}

/* 右边悬浮 */
.suspension {
    border-radius: 6px;
    bottom: 50%;
    height: 386px;
    margin-right: 24px;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 90px;
    z-index: 2;
}

.suspension_title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.suspension_title>img {
    width: 55px;
    height: 73px;
}

.suspension_title>div {
    background: #4d4d4d;
    border-radius: 2px;
    color: #fff;
    display: flex;
    font-size: 14px;
    font-weight: 400;
    height: 24px;
    justify-content: center;
    line-height: 24px;
    width: 100%;
    margin-top: -5px;
}

.suspension_item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: -7px;
    overflow: hidden;
    width: 100%;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .05);
    border-radius: 6px;
    box-sizing: border-box;
}

.suspension_item>div {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px 0 10px;
    box-sizing: border-box;
    cursor: pointer;
}

.suspension_item_img {
    width: 24px;
    height: 24px;
    position: relative;
}

.backTop .suspension_item_img {
    width: 19px;
    height: 24px;
}

.suspension_item_img>span {
    display: inline-block;
    width: 34px;
    height: 15px;
    line-height: 15px;
    position: absolute;
    right: -26px;
    top: -5px;
    font-size: 12px;
    color: #fff;
    background: #C9000E;
    text-align: center;
    border-radius: 50px;
}

.suspension_item_img>img {
    width: 100%;
    height: 100%;
}

.suspension_item_tit {
    white-space: nowrap;
    font-size: 14px;
    font-weight: bold;
    color: #666666;
    margin-top: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid #F8F8F8;
}
/* 宽度1200px-1440px */
@media (min-width: 1200px) and (max-width: 1440px) {
    .container {
        width: 1200px;
        margin: 0 auto;
        /* overflow: hidden; */
    }
    .nav_info {
        justify-content: space-between
    }

    /* logo */
    .logo {
        width: 7.75rem;
        margin-right: 0;
    }

    /* 导航内容 */
    .nav_list {
        margin-right: 0;
    }

    .nav_list>div {
        font-size: 1rem;
    }

    /* 联系方式 */
    .ipone {
        width: 1.2rem;
    }

    .ipone_num {
        font-size: 1rem;
        color: #C9000E;
    }
}

@media (min-width: 1026px) and (max-width: 1200px) {
    .container {
        width: 1000px;
        margin: 0 auto;
        /* overflow: hidden; */
    }
    .nav_info {
        justify-content: space-between
    }

    /* logo */
    .logo {
        width: 7.75rem;
        margin-right: 0;
    }

    /* 导航内容 */
    .nav_list {
        margin-right: 0;
    }

    .nav_list>div {
        font-size: 1rem;
    }

    /* 联系方式 */
    .ipone {
        width: 1.2rem;
    }

    .ipone_num {
        font-size: 1rem;
        color: #C9000E;
    }
}
/* 二级导航栏动画 */
@keyframes Secondary_nav {
    0% {
        height: 0;
        opacity: 0;
    }

    100% {
        height: 100%;
        opacity: 1;
    }
}
/* 导航栏动画 */
@keyframes line_animation {
    0% {
        width: 0;
    }

    100% {
        width: 60%;
    }
}