.white-bg {
    width: 100%;
    background-color: #fff;
}

.about-us {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: #f5f5f5;
}

.about-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 1200px;
    padding: 50px 0;
}

.nav-ul {
    height: 80px;
    width: 100%;
    display: flex;
    align-items: center;
}

#nav-fixed-ph-id {
    display: none;
}

.nav-ul li {
    margin-right: 67px;
}

.nav-ul li a {
    font-weight: 400;
    font-size: 20px;
    color: #000 !important;
    font-style: normal;
    background: none !important;
}

.nav-ul li a::after {
    content: "";
    position: absolute;
    bottom: -16px;
    left: 50%;
    width: 50%;
    height: 6px;
    margin-left: -25%;
    border-radius: 3px 3px 0 0;
    background-color: #ff212a;
    visibility: hidden;
    transform: scaleX(0);
    transition: all 0.3s ease-in-out 0s;
}

.nav-ul li a:hover::after {
    visibility: visible;
    transform: scaleX(1);
}

.nav-ul li .am-active {
    font-weight: bold;
    color: #ff212a;
}

.nav-ul li .am-active::after {
    visibility: visible;
    transform: scaleX(1);
}

/* .nav-ul li .am-active {
    background-color: #FF212A !important;
    border-radius: 22px;
    color: #FFFFFF !important;
    font-weight: 600;
} */
.am-nav>li>a:hover,
.am-nav>li>a:focus {
    text-decoration: none;
    background-color: none !important;
}

.am-sticky-placeholder .am-cf {
    display: flex;
    justify-content: center;
}

.am-sticky-placeholder .am-container {
    padding: 0 !important;
    width: 1200px !important;
    max-width: 1200px !important;
}

/* 关于酒小二 */
#about-us {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* scroll-margin-top: 200px; */
}

#about-us .about-company {
    position: relative;
    display: flex;
    justify-content: space-between;
    width: 100%;
}

#about-us .about-company .bg-au {
    position: absolute;
    top: -50px;
    right: calc((1200px - 100vw) / 2);
    width: 704px;
    height: 268px;
}

#about-us .about-company .bg-au img {
    width: 100%;
    height: 100%;
    z-index: 1;
}

#about-us .about-company .establish {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.about-company .establish h3 {
    margin-bottom: 42px;
    font-size: 30px;
    color: #111925;
}

.about-company .establish .establish-txt {
    font-size: 18px;
    color: #666;
}

.about-company .establish .establish-year {
    line-height: 1;
    font-size: 100px;
    font-weight: 600;
    color: #FF212A;
}

.about-company .introduction {
    width: 72%;
    margin-top: 60px;
    line-height: 2.4;
    font-size: 18px;
    color: #111925;
    z-index: 3;
}

#about-us .about-card {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-self: flex-end;
    width: 68%;
    height: 138px;
    margin: 50px 30px 0 0;
    padding: 0 60px;
    border-radius: 8px;
    background-color: #FFF;
}

#about-us .about-card .card-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#about-us .about-card .dada-source {
    position: absolute;
    right: 5px;
    bottom: 0;
    font-size: 12px;
    color: #999;
}

#about-us .about-card .card-item span {
    /* width: 200px; */
    color: #FF212A;
}

#about-us .about-card .card-item span:first-child {
    display: flex;
    line-height: 1.2;
    font-size: 56px;
    font-weight: 600;
    color: #FF212A;
}

#about-us .about-card .card-item span:first-child .num-add {
    margin-left: 5px;
    font-size: 32px;
    color: #FF212A;
}

#about-us .about-card .card-item span:last-child {
    font-size: 18px;
    color: #666;
    text-align: center;
}

/* 企业文化 */
#corporate-culture {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    padding: 50px 0;
}

#corporate-culture .culture-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-image: url(/images/aboutUs/bg_au_value.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

#corporate-culture .culture-swiper {
    display: none;
}

#corporate-culture .culture-values {
    position: relative;
    width: 1200px;
    color: #FFF;
    z-index: 3;
}

#corporate-culture .culture-values h3 {
    position: relative;
    margin-bottom: 60px;
    font-size: 30px;
}

#corporate-culture .culture-values h3::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    width: 64px;
    height: 6px;
    margin-left: -50%;
    background-color: #ff212a;
}

.culture-values .values {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    /* 允许子项换行 */
}

.culture-values .values .values-item {
    display: flex;
    flex-direction: column;
    flex-basis: 33%;
}

.culture-values .values .values-item span:first-child {
    margin-bottom: 25px;
    font-size: 24px;
    color: #FF212A;
    font-weight: 600;
}

.culture-values .values .values-item span:last-child {
    font-size: 18px;
    /* text-wrap: balance; */
}

#corporate-culture #about-team {
    margin-top: 80px;
}

/* 发展历程 */
#development-history {
    display: flex;
    justify-content: center;
}

#development-history h3 {
    margin-bottom: 15px;
    align-self: flex-start;
    font-size: 30px;
    color: #111925;
}

#development-history .history-desc {
    align-self: flex-start;
    font-size: 16px;
    color: #666;
}

#development-history .history-line {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 1200px;
    margin-top: 30px;
}

#development-history .history-line::before {
    content: "";
    position: absolute;
    top: 0;
    height: 100%;
    width: 1px;
    left: 50%;
    background-color: #FFAFB0;
}

#development-history #history-preview-more {
    display: flex;
    align-items: center;
    margin-top: 30px;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 18px;
    color: #FF212A;
    background-color: #FFECED;
    line-height: 1;
}

#development-history #history-preview-more img {
    width: 16px;
    height: 16px;
    margin-left: 5px;
}

.history-line .line-box {
    position: relative;
    display: flex;
    align-items: baseline;
}

.history-line .line-box:nth-child(n+3) {
    display: none;
}

.history-line .line-box:nth-child(even) {
    flex-direction: row-reverse;
}

.history-line .line-box .content {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    width: 50%;
    padding-right: 38px;
    /* 设置盒子模型：宽度width包括padding值 */
    box-sizing: border-box;
    line-height: 1;
    color: #18181A;
}

.history-line .line-box .marker {
    position: relative;
    left: -8px;
    top: -10px;
    order: 1;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #D1D1D1;
    box-shadow: 0 0 0 10px #F5F5F5;
    /* 阴影效果 */
    cursor: pointer;
}

.history-line .line-box:nth-child(odd) .content {
    padding-left: 0;
    padding-right: 38px;
}

.history-line .line-box:nth-child(even) .content {
    align-items: flex-start;
    padding-left: 38px;
    padding-right: 0;
}

.history-line .line-box:nth-child(even) .marker {
    left: 8px;
}

.line-box .content time {
    margin-bottom: 12px;
    font-size: 48px;
    font-weight: 600;
    color: #FF212A;
}

.line-box .content .main-desc {
    margin-bottom: 8px;
    font-size: 24px;
    font-weight: 600;
}

.line-box .content .sub-desc {
    margin-bottom: 16px;
    font-size: 18px;
}

.line-box:nth-child(odd) .content .main-desc,
.line-box:nth-child(odd) .content .sub-desc {
    text-align: right;
}

.line-box .content img {
    width: 500px;
    height: 300px;
}

.history-line .line-box .marker-active {
    background-color: #FF212A;
}

.marker-active:before,
.marker-active:after {
    content: "";
    width: inherit;
    height: inherit;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 1;
    background: inherit;
    border-radius: inherit;
    animation: anim 2s ease-out infinite;
}

.marker-active:after {
    animation-delay: 1s;
}

@keyframes anim {
    from {
        opacity: 0.5;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(3);
    }
}