* {
    box-sizing: border-box;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.w1440 {
    width: 1440px;
    margin: 0 auto;
}

.w1680 {
    width: 1680px;
    margin: 0 auto;
}

.u-flex {
    display: flex;
}

.u-col-center {
    align-items: center;
}

.u-row-center {
    justify-content: center;
}

.u-flex-1 {
    flex: 1;
}

.u-flex-2 {
    flex: 2;
}

#head .logo {
    padding: 10px 0;
}

#head .logo img {
    width: 300px;
}

#head .nav {
    width: 100%;
    height: 75px;
    background-color: #0071bc;
}

#head .nav .first {
    height: 75px;
    padding: 0 55px;
    font-size: 16px;
    position: relative;
}

#head .nav .first::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(0, -50%);
    width: 1px;
    height: 20px;
    background-color: rgba(255, 255, 255, .4);
}

#head .nav .first.active > a {
    font-weight: bolder;
}

#head .nav .first.active::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 4px;
    background-color: #FFF;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 0)
}

#head .nav .first > a {
    display: block;
    height: 75px;
    color: #FFF;
    display: flex;
    align-items: center;
}

#head .nav .second-nav {
    opacity: 0;
    position: absolute;
    top: 76px;
    left: 0;
    z-index: 99;
    border: 1px solid #EEE;
    border-radius: 5px;
    min-width: 125px;
    background-color: #FFF;
    box-shadow: 0 12px 32px rgba(0, 0, 0, .1), 0 2px 6px rgba(0, 0, 0, .08);
}

#head .nav .second-nav.active {
    opacity: 1;
}

#head .nav .second-nav .second {
    text-align: center;
}

#head .nav .second-nav .second:hover {
    background-color: #0071bc;
    color: #FFF;
}

#head .nav .second-nav .second > a {
    display: block;
    padding: 15px 20px;
    color: #000;
}

#head .nav .second-nav .second:hover > a {
    color: #FFF;
}

#banner img {
    width: 100%;
}

#banner .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #FFF;
    opacity: .4;
}

#banner .swiper-pagination-bullet-active {
    background: #FFF;
    opacity: 1;
}

#banner .swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 8px;
}

#banner .swiper-container-horizontal > .swiper-pagination-bullets, 
.swiper-pagination-custom, 
.swiper-pagination-fraction {
    bottom: 20px;
}

#about {
    background-color: #f6f6f6;
    padding: 80px 0;
}

#about .title-box {
    margin: 20px 0 40px 0;
}

#about .title-box .title {
    font-size: 32px;
    font-weight: bold;
}

#about .title-box .subtitle {
    font-size: 16px;
    font-weight: bold;
    color: #cccccc;
    margin-top: 10px;
}

#about .content {
    padding-right: 30px;
}

#about .btn-box {
    margin-top: 30px;
}

#about .btn {
    width: 150px;
    font-size: 16px;
    color: #999999;
    background-color: #FFF;
    border-radius: 50px;
    padding: 5px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all .3s;
}

#about .btn:hover {
    width: 200px;
    transition: all .3s;
}

#about .btn img {
    width: 36px;
}

#about .bottom {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 50px;
}

#about .bottom .item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

#about .bottom .item::after {
    content: '';
    width: 1px;
    height: 50px;
    background: #e0e0e0;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(0, -50%);
}

#about .bottom .item:last-child::after {
    width: 0;
}

#about .bottom .item .data {
    color: #0071bc;
}

#about .bottom .item .counter {
    font-size: 68px;
    font-weight: bold;
}

#about .bottom .item .unit {
    font-size: 24px;
}

#about .bottom .item .label {
    font-size: 16px;
    color: #666666;
}

#advantage {
    padding: 80px 0;
    background-image: url('../images/advantage.png');
    background-repeat: no-repeat;
    background-size: cover;
}

#advantage .title-box {
    margin: 20px 0 40px 0;
    color: #FFF;
    text-align: center;
}

#advantage .title-box .title {
    font-size: 32px;
    font-weight: bold;
}

#advantage .title-box .subtitle {
    font-size: 16px;
    font-weight: bold;
    margin-top: 10px;
}

#advantage .content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

#advantage .content .item {
    background-color: #FFF;
    padding: 40px 30px;
}

#advantage .content .item .label {
    color: #1b1464;
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 15px;
}

#advantage .content .item p {
    font-size: 16px;
}

#services {
    padding: 80px 0;
}

#services .title-box {
    margin: 20px 0 40px 0;
    text-align: center;
}

#services .title-box .title {
    font-size: 32px;
    font-weight: bold;
}

#services .title-box .subtitle {
    font-size: 16px;
    font-weight: bold;
    color: #cccccc;
    margin-top: 10px;
}

#services .content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

#services .content .item .title {
    background-color: #0071bc;
    color: #FFF;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    height: 50px;
}

#services .content .item .img-box {
    overflow: hidden;
}

#services .content .item img {
    transition: all .3s;
}

#services .content .item:hover img {
    -webkit-transform: scale(1.3);
    -moz-transform: scale(1.3);
    -ms-transform: scale(1.3);
    -o-transform: scale(1.3);
    transform: scale(1.3);
}

#footer {
    background-color: #1b1464;
    padding: 80px 0;
}

#footer .top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 30px;
    border-bottom: 1px solid #373177;
}

#footer form .form-item {
    margin-bottom: 8px;
}

#footer form .form-item input, 
#footer form .form-item textarea {
    background-color: #413a8a;
    border: 1px solid #FFF;
    border-radius: 2px;
    color: #FFF;
    padding: 4px 8px;
    font-size: 16px;
}

#footer form .form-item input {
    width: 180px;
    height: 35px;
}

#footer form .form-item textarea {
    width: 100%;
    height: 60px;
}

#footer form .form-item input::placeholder, 
#footer form .form-item textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

#footer form .form-item.inline {
    display: inline-flex;
}

#footer form .form-item.inline > * {
    margin-left: 5px;
}

#footer form .form-item > *:first-child {
    margin-left: 0;
}

.code_img {
    height: 35px;
}

#footer form .form-item .form-submit {
    width: 100%;
    height: 40px;
    font-size: 16px;
    color: #3f3888;
    background-color: #FFF;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

#guestbook {
    display: flex;
}

#guestbook .qrcode {
    margin-left: 20px;
}

#guestbook .qrcode img {
    width: 155px;
}

#guestbook .qrcode .label {
    font-size: 16px;
    text-align: center;
    color: #FFF;
    padding: 10px 0;
}

#footer .bottom {
    padding-top: 60px;
    display: flex;
    justify-content: space-between;
}

#footer .bottom .item {
    display: flex;
    color: #FFF;
    font-size: 16px;
}

#footer .bottom .item .text-box {
    padding-left: 15px;
}

#footer .bottom .item .text-box .label {
    margin-bottom: 10px
}

#copyright {
    background-color: #141414;
    height: 60px;
    color: rgba(255, 255, 255, 0.4);
}

#copyright a {
    color: rgba(255, 255, 255, 0.4);
}

#sidebar {
    position: fixed;
    right: 5px;
    top: 50%;
    transform: translate(0, -50%);
    background: #fff;
    opacity: 1;
    z-index: 99999;
    box-shadow: 0 0 5px rgba(0, 0, 0, .15);
    border-radius: 5px;
}

#sidebar .item {
    position: relative;
}

#sidebar .item .icon-box {
    width: 70px;
    height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    text-decoration: none;
    border-bottom: 1px solid #e0e0e0;
    cursor: pointer;
}

#sidebar .item .icon-box:last-child {
    border-bottom: none;
}

#sidebar .item .icon-box img {
    width: 25px;
    transition: all .3s;
}

#sidebar .item:hover .icon-box img {
    transform: scale(1.2);
}

#sidebar .item .left-box {
    opacity: 0;
    position: absolute;
    top: 0;
    right: 80px;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, .15);
    overflow: hidden;
    border-radius: 5px;
    color: #0071bc;
    font-size: 30px;
}

#sidebar .item .left-box img {
    width: 155px;
}

#sidebar .item:hover .left-box {
    opacity: 1;
}