.wotu-content {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.main_container {
    text-align: left;
    width: 1067px;
    margin-bottom: 64px;
}

.main_container p {
    line-height: 1.5;
}

.breadcrumb {
    margin: 20px 0;
    line-height: 18px;
}

.breadcrumb a,
.breadcrumb span {
    font-size: 12px;
}

.breadcrumb a {
    color: #575d6c;
}

.breadcrumb a:hover {
    color: #344899;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 16px;
}

p,
.main_container ul li span {
    font-size: 14px;
    line-height: 22px;
}

.abstract {
    margin: 32px 0;
    width: 1071px;
}

.brief {
    padding: 16px 35px;
    background-color: rgba(233, 237, 250, 0.43);
    display: flex;
}

.brief span {
    display: inline-block;
}

.abstract p+p,
.main_container li+li {
    margin-top: 22px;
}

h1+p,
p+h2,
ul+p {
    margin-top: 32px;
}

.brief+p,
h2+p,
p+p,
p+ul {
    margin-top: 16px;
}

.main_container p img {
    width: 547px;
    height: 100%;
}

.main_container ul li {
    display: flex;
}

.main_container ul li span {
    display: inline-block;
}

.main_container ul li span key {
    font-weight: bold;
    margin-left: 25px;
}

.main_container ul li {
    position: relative;
}

.main_container ul li::before {
    position: absolute;
    top: 9px;
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #252b3a;
}