* {margin: 0; padding: 0; box-sizing: border-box;}
ul, ol {list-style: none;}
a {text-decoration: none; color: #000000;}
.pageW {width: 90%; margin: 0 auto;}
.pageWM {width: 1000px; margin: 0 auto;}
.pageWB {width: 1200px; margin: 0 auto;}

body.about {
    background: #000000;
}
.nav {
    position: relative;
    z-index: 999;
}
.nav .pageW {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
}
.nav .logo {
    width: 10%;
}
.nav .logo img {
    height: 20px;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 5rem;
}
.nav-list a {
    font-weight: bold;
    font-size: 18px;
    color: #ffffff99;
}
.nav-list a.active {
    color: #ffffff;
}
.nav .language {
    width: 10%;
    justify-content: flex-end;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 18px;
    color: #b8b8b8;
    font-weight: bold;
}
.nav .language img {
    width: 20px;
}

.img-bg-box.first {
    margin-top: -86px;
}
.img-bg-box {
    position: relative;
}
.img-bg-box>img {
    width: 100%;
    position: relative;
    z-index: 9;
}
.img-bg-box .text {
    position: absolute;
    top: 86px;
    text-align: center;
    width: 100%;
    z-index: 999;
}
.img-bg-box .text h2 {
    text-align: center;
    font-size: 26px;
}
.img-bg-box .text p {
    text-align: center;
    font-size: 16px;
}
.img-bg-box .info-list {
    position: absolute;
    width: 100%;
    z-index: 999;
    bottom: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;
}
.img-bg-box .info-list li {
    color: #ffffff;
    text-align: center;
}
.img-bg-box .info-list h2 {
    font-size: 28px;
}
.img-bg-box .info-list p {
    font-size: 22px;
}
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
/* 进入视口时的状态 */
.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}
.text {
    padding: 20px 0 40px;
    text-align: center;
}
.text h2 {
    color: #ffffff;
    margin-bottom: 20px;
    font-size: 24px;
}
.text p {
    font-size: 18px;
    color: #ffffff;
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.link-list a {
    font-size: 12px;
    color: #ffffff;
    border: 1px solid #ffffff;
    border-radius: 3px;
    padding: 15px 0;
    width: 200px;
    text-align: center;
}
.link-list a.w {
    background: #ffffff;
    color: #000000;
}
.title-foot {
    text-align: center;
    color: #ffffff;
    margin: 50px 0;
}
.title-foot p {
    font-size: 11px;
    line-height: 1.1rem;
}
.footer {
    text-align: center;
    font-size: 11px;
    color: #ffffff;
    padding-bottom: 20px;
}
.our-office {
    margin: 50px auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.our-office h2 {
    padding-bottom: 20px;
    width: 100%;
    font-size: 26px;
}
.our-office .item {
    width: 31%;
}
.our-office .item img {
    width: 100%;
}
.information {}
.information h2 {
    font-size: 26px;
    padding-bottom: 20px;
}
.information .box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 40px;
}
.information .box .item {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.information .box .item label {
    font-size: 14px;
    color: #666;
    font-weight: bold;
}
.information .box .item input {
    background: #f4f6fa;
    border: none;
    outline: none;
    height: 30px;
    box-sizing: border-box;
    padding-left: 10px;
}
.information .box .item .phone {
    background: #f4f6fa;
}
.information .box .item .phone span {
    font-weight: bold;
    padding-left: 10px;
}
.information .box .item.message {
    grid-column: span 2;
}
.information .box .item.message textarea {
    background: #f4f6fa;
    border: none;
    outline: none;
    height: 100px;
}
.information .file {
    margin: 40px 0 0;
}
.information .file p {
    font-size: 12px;
    color: #666;
    font-weight: bold;
}
.information .file .file-box {
    border: 1px solid #000000;
    width: 150px;
    margin: 10px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 0;
    gap: 10px;
    font-size: 14px;
    border-radius: 3px;
}
.information .file .file-box img {
    height: 18px;
}
.information .file span {
    font-size: 12px;
}
.information .x {
    border-bottom: 1px solid #e3e3e3;
    margin: 30px 0;
}
.information button[type=submit] {
    width: 300px;
    padding: 12px 0;
    background: #000;
    color: #fff;
    margin: 0 auto 230px;
    border: none;
    border-radius: 3px;
    transform: translateX(100%);
    cursor: pointer;
}
.footer.b {
    color: #000;
    font-size: 14px;
}
.location h2 {
    padding: 43px 0 84px;
    font-size: 30px;
    text-align: center;
}
.location img {
    width: 100%;
    margin-bottom: 20px;
}
.email-box {
    border-top: .08333rem solid rgba(0, 0, 0, .122);
    border-bottom: .08333rem solid rgba(0, 0, 0, .122);
    margin-top: 60px;
}
.email-box h2 {
    padding: 43px 0 84px;
    font-size: 30px;
    text-align: center;
}
.email-box .item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 70px;
}
.email-box .item img {
    width: 76px;
}
.email-box .item h3 {
    font-size: 20px;
}
.email-box .item span {
    display: block;
    font-weight: normal;
    font-size: 16px;
    color: #666;
}
.message-box {
    border-bottom: .08333rem solid rgba(0, 0, 0, .122);
}
.message-box h2 {
    padding: 43px 0 84px;
    font-size: 30px;
    text-align: center;
}
.message-box .out-box {
    display: flex;
    justify-content: space-between;
}
.message-box .text {
    width: 50%;
    text-align: left;
}
.message-box .text p {
    text-align: left;
    font-size: 20px;
    margin-bottom: 5px;
    color: #000;
}
.message-box .text span {
    text-align: left;
    font-size: 16px;
}
.message-box .form-list {
    width: 50%;
}
.message-box .form-list .item {
    margin-bottom: 35px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.message-box .form-list .item label {
    font-size: 14px;
    font-weight: bold;
    color: #666;
}
.message-box .form-list .item input {
    height: 32px;
    border-radius: 2px;
    border: 1px solid #e3e3e3;
    outline: none;
}
.message-box .form-list .item .bbx span {
    padding: 0 20px;
}
.message-box .form-list .item textarea {
    border-radius: 2px;
    border: 1px solid #e3e3e3;
    outline: none;
    height: 100px;
}
.submit-box {
    text-align: center;
    margin: 50px 274px;
}
.submit-box button {
    width: 300px;
    padding: 12px 0;
    background: #000;
    color: #fff;
    margin: 0 auto 230px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}