* {
    margin: 0px;
    margin-top: 0px;
    margin-right: 0px;
    margin-bottom: 0px;
    margin-left: 0px;
}
@media screen and (max-width: 750px)
{
.foot .tabs span {
      width: auto !important;
}
}
.article p img{
   width:100%;
}
a {
    text-decoration: none;
}

ol,
ul {
    list-style: none;
}

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
font,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
caption,
input {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-weight: inherit;
    font-style: inherit;
    font-family: inherit;
    vertical-align: baseline;
}

.a {
    color: rgb(217, 206, 204)
}

html,
body {
    width: 100%;
    height: 100%;
}

.top {
    width: 100%;
    height: 460px;
    background-image: url('./img/top.png');
}

.center {
    width: 100%;
    height: 100%;
    background: rgb(242, 242, 242);
    display: flex;
    justify-content: center;
}

.center .content {
    width: 1200px;
    height: 100%;
    background: rgb(255, 255, 255);
}

.center .content .title {
    width: 1200px;
    font-size: 24px;
    line-height: 100px;
    color: rgb(76, 91, 88);
    padding: 0px 50px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.center .content .nt {
    color: rgb(51, 51, 51);
    font-weight: bold;
}

.center .content .xian {
    width: 960px;
    height: 4px;
    display: inline-block;
    background: rgb(250, 247, 243)
}

.center .content ul li {
    padding-left: 50px;
    box-sizing: border-box;
}

.center .content .l1 {
    color: rgb(150, 149, 151);
    font-size: 24px;
    line-height: 40px;
}

.center .content .l2 {
    width: 815px;
    padding: 0 50px;
}

.center .content .l3 {
    width: 50px;
    height: 50px;
    font-size: 36px;
    color: rgb(203, 206, 206);
    background: rgb(238, 241, 241);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.center .content .l21 {
    color: rgb(40, 46, 46);
    font-size: 24px;
    line-height: 40px;
}

.center .content .l22 {
    width: 25px;
    height: 4px;
    background: rgb(52, 115, 182);
    margin: 20px 0px;
}

.center .content .l23 {
    color: rgb(167, 172, 174);
    font-size: 24px;
    line-height: 40px;
}

.center .content ul {
    margin-top: 20px;
    padding: 0px 50px;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 34px;
}

.center .content ul li {
    display: flex;
    margin-bottom: 45px;
}
 
.title1 {
    font-size: 28px;
    color: rgb(25, 89, 157);
    line-height: 32px;
}

.title2 {
    font-size: 32px;
    color: rgb(25, 89, 157)
}

.title11 {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 30px;
    border-top: 2px solid rgb(237, 237, 237);
    border-bottom: 2px solid rgb(237, 237, 237);
}

.title12 {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: rgb(102, 102, 102)
}

.title12 span {
    padding: 0 5px;
}

button {
cursor: pointer;
    width: 120px;
    height: 40px;
    font-size: 16px;
    border-radius: 30px;
    color: rgb(13, 110, 206);
    border: 1px solid rgb(13, 110, 206);
    background: rgb(188, 211, 252);
    position: relative;
}

button img {
    width: 150px;
    height: 150px;
    position: absolute;
    bottom: -48px;
    left: -20px;
}

button div {
    position: absolute;
    top: 8px;
    left: 42px;
}

.tt {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.aa {
    color: rgb(0, 0, 0)
}

.aaa {
    color: rgb(255, 255, 255)
}

.article {
    text-indent: 2em;
    margin-bottom: 45px;
}

.article p {
    margin-bottom: 10px;
}

.describe {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: rgb(255, 255, 255)
}

.describe div {
    margin: 6px 0px;
}

.aaa {
    color: rgb(255, 255, 255)
}