* {
    margin: 0;
    padding: 0;
    outline: none;
    font-size: 12px;
    box-sizing: border-box;
    resize: none;
    font-family: "Hiragino Sans GB", "Microsoft YaHei", "黑体", "WenQuanYi Micro Hei", arial, sans-serif;
}

:root {
    --primary-color: #191a38;
    --title-color: #c71015;
}

li {
    list-style: none
}

a {
    text-decoration: none;
    color: #000;
}

html {
    width: 100%;
}

body {
}

.common_page {
    margin: 0 auto;
    width: 750px;
    background-color: var(--primary-color);
}

.project_page {
}

.project_page img {
    width: 100%;
    object-fit: cover;
    margin-bottom: -1px;
}

.contact_region {
    padding: 5% 5% 20px;
    background-color: white;
    border-top-right-radius: 20%;
}

.contact_title {
    font-size: 18px;
    color: var(--title-color);
    padding: 2% 0;
    border-bottom: 2px solid var(--title-color);
}

.contact_desc {
    font-weight: bolder;
    font-size: 14px;
    padding: 4% 0;
}

.el-checkbox {
    margin-bottom: 10px;
    width: 100%;
}

.el-checkbox__input.is-checked .el-checkbox__inner, .el-checkbox__input.is-indeterminate .el-checkbox__inner {
    background-color: var(--title-color);
    border-color: var(--title-color);
}

.el-checkbox__input.is-checked + .el-checkbox__label {
    color: var(--title-color);
}

.el-checkbox__input.is-focus .el-checkbox__inner {
    border-color: var(--title-color);
}

.btn_submit {
    font-weight: bolder;
    font-size: 14px;
    color: white;
    background-color: var(--title-color);
    text-align: center;
    border-radius: 4px;
    padding: 6px;
    letter-spacing: 1px;
    border-bottom: 1px solid white;
}

/*自适应*/
@media (max-width: 750px) {
    .common_page {
        width: 100%;
    }
}