.c-pc {
    display: none;
}

* {
    margin: 0;
    padding: 0;
    font-size: 14px;
    font-family: Microsoft YaHei, sans-serif;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

body {
    background-color: #ffffff;
    font-size: 14px;
    max-width: 640px;
    margin: 0 auto;
    padding: 0 0 90px;
}

a {
    text-decoration: none;
    margin: 0;
    padding: 0;
    color: #282828;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

img {
    display: block;
    border: none;
    width: 100%;
}

ul,
li {
    list-style: none;
    margin: 0;
    padding: 0;
}

input,
select,
textarea,
button {
    border: none;
    outline: none
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder,
input:-moz-placeholder,
textarea:-moz-placeholder,
input::-moz-placeholder,
textarea::-moz-placeholder,
input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
    color: #e2e7eb;
}

.container {
    width: 94%;
    margin: 0 auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clear {
    clear: both;
}

/*header*/
.header-top {
    background: #52befc;
    width: 100%;
    height: 4px;
}

.header {
    cursor: pointer;
    position: relative;
    background-image: url('../images/logo.png');
    background-repeat: no-repeat;
    background-position: 4px top;
    background-size: contain;
}

.nav-box img {
    width: 34px;
    height: 26px;
    margin: 10px 0;
}

.header .nav a {
    display: block;
    color: #fff;
    font-size: 16px;
}

.header .nav {
    background: rgba(82, 190, 252, .9);
    position: absolute;
    width: 100%;
    z-index: 999;
    left: 0;
}

.header .nav-item {
    width: 100%;
    text-align: center;
    line-height: 46px;
}

/*banner*/
.h5-swiper-banner .swiper-slide img {
    width: 100%;
    aspect-ratio: 24/13;
}

/*search*/
.search {
    height: 55px;
    background: #f6f6f6;
}

.search-input {
    width: 75%;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.search-input input {
    border-radius: 4px;
    margin-top: 12px;
    width: 88%;
    height: 30px;
    background: #fff;
    color: #777777;
    text-indent: 1em;
    display: inline-block;
}

.search-input button {
    margin-top: 12px;
    margin-left: 5px;
    width: 10%;
    background: url('../images/search.png') no-repeat center center;
    display: inline-block;
    height: 25px;
    cursor: pointer;
}

/*more*/
.more-a {
    display: block;
    width: 140px;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
    color: #fff;
    background: #6bc8fd;
    text-align: center;
    margin: 25px auto 0;
}

/*footer*/
.footer-top {
    margin-top: 20px;
    border-top: 1px solid #6bc8fd;
    height: 65px;
    line-height: 65px;
    color: #2e2e2e;
    font-size: 14px;
    text-align: center;
}

.footer {
    background: #6bc8fd;
    position: fixed;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    bottom: 0;
    z-index: 999;
}

.footer ul li {
    float: left;
    width: 24.7%;
    text-align: center;
    padding: 12px 0 13px 0;
}

.footer ul li h2 {
    height: 31px;
}

.footer ul li h3 {
    font-size: 14px;
    color: #fff;
    margin-top: 15px;
}

.footer ul li h2 img {
    display: block;
    margin: 0 auto;
}

/*column nav*/
.column-nav {
    margin-top: 15px;
    margin-bottom: 15px;
}

.column-nav-title {
    width: 28%;
    border-left: 3px solid #6bc8fd;
}

.column-nav-title h2 {
    color: #46bafd;
    text-transform: uppercase;
    text-indent: 1em;
    font-size: 12px;
    white-space: nowrap;
}

.column-nav-title span {
    color: #2e2e2e;
    font-size: 16px;
    text-indent: 1em;
    display: block;
}

.column-nav-img-box {
    width: 70%;
}

.column-nav-img-box img {
    margin-top: 22px;
}