/* 公共样式 */
@font-face {
    font-family: 'Alibaba PuHuiTi';
    src: url('../fonts/font/AlibabaPuHuiTi-3-55-Regular.woff2') format('woff2'),
        url('../font/font/AlibabaPuHuiTi-3-55-Regular.woff') format('woff'),
        url('../font/font/AlibabaPuHuiTi-3-55-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Alibaba PuHuiTi';
    font-size: 20px;
    color: #333333;
    background-color: #fff;
    font-weight: 400;
}

.container {
    width: 1400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 20px;
        box-sizing: border-box;
    }
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 头部导航样式 */
.header {
    background-color: #fff;
    position: relative;
    z-index: 100;
    transition: all 0.3s ease;
}

.header.fixed {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    height: 80px;
}

.header .logo img {
    width: 116px;
    height: 47px;
    margin-right: 304px;
}

.desktop-nav {
    width: 560px;
}

.desktop-nav ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    list-style: none;
}

.nav-item a {
    font-weight: 400;
    color: #333333;
    height: 80px;
    line-height: 80px;
    display: block;
}

.nav-item a:hover,
.nav-item a.active {
    color: #001555;
    font-weight: 700;
}

/* .nav-item:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #031857;
} */

@media (max-width: 768px) {
    .header .container {
        display: flex;
        align-items: center;
        height: 40px;
    }

    .header .logo img {
        height: 16px;
        width: auto;
        margin-right: 15px;
    }

    .desktop-nav {
        width: auto;
    }

    .desktop-nav ul {
        display: flex;
        justify-content: start;
    }

    .nav-item {
        font-size: 14px;
    }

    .nav-item a {
        height: 40px;
        line-height: 40px;
        transform: scale(0.8);
    }
}

/* 子菜单样式 */
@media (min-width: 769px) {
    .has-submenu:hover .submenu {
        display: block;
        opacity: 1;
        transform: translateY(0);
        transition-delay: 0s;
    }
}

.nav-item .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #eeeeee;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transition-delay: 0.3s;
    opacity: 0;
    transform: translateY(-10px);
}

.submenu-bg {
    background-image: url('../img/bg-1.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.submenu-wrap {
    width: 1400px;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
}

.submenu-column h3 {
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.submenu-1 {
    padding-top: 60px;
}

.submenu-1 h3,
.submenu-3 h3 {
    margin-bottom: 33px;
}

.submenu-2,
.submenu-4 {
    padding-top: 80px;
    padding-bottom: 80px;
}

.submenu-3 {
    padding-top: 67px;
    padding-bottom: 99px;
}

.submenu-column-t {
    display: flex;
    flex-direction: column !important;
    align-items: center !important;
}

.submenu-column-t img {
    margin-top: 43px;
}

.submenu-column .icon {
    object-fit: contain;
    margin-right: 19.9px;
}

.submenu-column-t .icon {
    margin-right: 0px;
}

.submenu-column .menu-icon-1 {
    width: 20.1px;
    height: 36.72px;
}

.submenu-column .menu-icon-2 {
    width: 31.14px;
    height: 30.86px;
}

.submenu-column .menu-icon-3 {
    width: 32.48px;
    height: 29.68px;
}

.submenu-column .menu-icon-4 {
    width: 25.54px;
    height: 42.72px;
}

.submenu-column .menu-icon-5 {
    width: 35.9px;
    height: 30.84px;
}

.submenu-column .menu-icon-6 {
    width: 46.52px;
    height: 29.86px;
}

.submenu-column .menu-icon-7 {
    width: 77.23px;
    height: 63.04px;
}

.submenu-column .menu-icon-8 {
    width: 57.81px;
    height: 57.81px;
}

.submenu-column .menu-icon-4-1 {
    width: 41.91px;
    height: 70.11px;
}

.submenu-column .menu-icon-9 {
    width: 73.35px;
    height: 73.35px;
}

.submenu-column .menu-icon-10 {
    width: 62.55px;
    height: 62.55px;
}

.submenu-column .menu-icon-11 {
    width: 56.33px;
    height: 52.86px;
}

.submenu-column .menu-icon-12 {
    width: 59.46px;
    height: 60.3px;
}

.submenu-column ul {
    list-style: none;
    padding: 0;
    display: block;
}

.submenu-column li {
    list-style: none;
    display: block !important;
}

.submenu-column li a {
    color: #333333;
    height: 45px;
    line-height: 45px !important;
    font-size: 20px;
    font-weight: 400;
}

@media (max-width: 768px) {
    .has-submenu:active .submenu {
        display: none;
    }

    .submenu-bg {
        background-size: cover;
        background-position: center;
        height: 200px;
        overflow-y: auto;
    }

    .submenu-wrap {
        width: 100%;
        padding: 0px 10px;
    }

    .submenu-column {
        list-style: none;
    }

    .submenu-column .icon {
        width: 18px;
        height: 25px;
        object-fit: contain;
        margin-right: 10px;
    }

    .submenu-column h3 {
        transform: scale(0.65);
    }

    .submenu-column li a {
        transform: scale(0.65);
    }
}

.submenu-column h3:hover,
.submenu-column li a:hover,
.submenu-column h3:active,
.submenu-column li a:active {
    color: #001555;
    font-weight: 700;
}

/* 页脚样式 */
.footer {
    background-color: #eeeeee;
    color: #eeeeee;
    padding: 49px 0 0px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 85px;
    width: 100%;
}

.footer-top-left {
    margin-right: 33.46px;
}

.footer-top-left .logo img {
    width: 116px;
    height: 47px;
}

.footer-top-left .other {
    display: flex;
    margin-top: 37px;
}

.footer-top-left .other img {
    width: 60px;
    height: 56px;
    object-fit: contain;
    background: rgba(0, 21, 85, 0.99);
    border-radius: 7px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.16);
}

.footer-top-left .other img:not(:last-child) {
    margin-right: 10px;
}

.footer-top-right {
    flex: 1;
    display: flex;
    justify-content: space-between;
}

.footer-col {
    font-size: 16px;
}

.footer-col h4 {
    display: inline-block;
    color: #333333;
    font-weight: 700;
    margin-bottom: 26px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li:last-child {
    margin-bottom: 0px;
}

.footer-col ul li a {
    color: #6d6d6d;
}

.footer-col ul li a:hover {
    color: #001555;
}

@media (max-width: 768px) {
    .footer {
        padding: 0px;
    }

    .footer-top {
        margin-bottom: 0px;
        display: block;
    }

    .footer-top-left {
        display: flex;
        align-items: center;
    }

    .footer-top-left .logo img {
        width: auto;
        height: 21px;
        margin-right: 20px;
    }

    .footer-top-left .other {
        margin-top: 0px;
    }

    .footer-top-left .other img {
        width: 18px;
        height: 18px;
        object-fit: contain;
        border-radius: 3px;
    }

    .footer-top-left .other img:not(:last-child) {
        margin-right: 6px;
    }

    .footer-col {
        margin-bottom: 0px;
    }

    .footer-top-right {
        margin-top: 0px;
    }

    .footer-col {
        margin-bottom: 0px;
        text-align: left;
        transform: scale(0.7);
    }

    .footer-col h4 {
        font-size: 12px;
    }

    .footer-col ul li {
        font-size: 12px;
    }
}

.footer-bottom {
    background-color: #dedede;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #6d6d6d;
    font-size: 16px;
    height: 80px;
}

.footer-bottom-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.copyright-right {
    display: flex;
}

.record-number {
    margin-right: 30px;
}

.footer-links {
    display: flex;
}

.footer-links a:hover {
    color: #031857;
}

@media (max-width: 768px) {
    .footer-bottom-content {
        display: block;
        text-align: center;
        transform: scale(0.8);
        font-size: 13px;
    }

    .copyright-right {
        display: flex;
        justify-content: center;
        margin-top: 5px;
    }

    .footer-bottom {
        padding: 0px;
    }
}


/* 联系我们 */
.contact {
    background-image: url('../img/bg-4.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 820px;
}

.contact-content .page-title {
    font-size: 60px;
    padding-top: 75px;
    color: #ffffff;
}

.contact-content .page-subtitle {
    color: #ffffff;
    margin-top: 20px;
}

.contact-content .main-content {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 30px;
}

.contact-content .form-section {
    width: 676px;
    height: 531px;
    background: #ffffff;
    border-radius: 7px;
    padding: 41px 48px;
    color: #333333;
    box-shadow: 0px 2px 25px rgba(0, 0, 142, 0.15);
    display: inline-block;
}

.contact-content .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 42px;
    row-gap: 16px;
}

.contact-content .form-group.full-width {
    grid-column: span 2;
}

.contact-content .form-label {
    display: block;
    margin-bottom: 2px;
    font-weight: 400;
    color: #333333;
    font-size: 16px;
}

.contact-content .required {
    color: #ff0000;
    margin-right: 5px;
}

.contact-content .form-input,
.form-select {
    width: 100%;
    height: 45px;
    line-height: 45px;
    border: 1px solid #e1e1e1;
    border-radius: 7px;
    font-size: 16px;
    transition: border-color 0.3s;
    color: #333;
    padding: 10px;
    font-family: 'Alibaba PuHuiTi' !important;
}

.contact-content .form-input:focus,
.form-select:focus {
    border-color: #001555;
    outline: none;
}

.contact-content .form-textarea {
    width: 100%;
    height: 104px;
    border: 1px solid #e1e1e1;
    border-radius: 7px;
    font-size: 16px;
    resize: vertical;
    transition: border-color 0.3s;
    resize: none;
    color: #333;
    padding: 10px;
    font-family: 'Alibaba PuHuiTi' !important;
}

.contact-content .form-textarea:focus {
    border-color: #001555;
    outline: none;
}

.contact-content .btn-wrap {
    display: flex;
    justify-content: end;
}

.contact-content .submit-btn {
    width: 176px;
    height: 44px;
    line-height: 44px;
    background: #001555;
    border-radius: 7px;
    color: #ffffff;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-content .submit-btn:hover {
    background-color: #0f3662;
}

.contact-content .contact-info {
    width: 360px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-content .contact-card {
    background-color: #ffffff;
    border-radius: 7px;
    box-shadow: 0px 2px 15px rgba(0, 0, 142, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    width: 100%;
    height: 118px;
    box-sizing: border-box;
}

.contact-content .contact-icon {
    width: 117.5px;
    display: grid;
    place-items: center;
    border-right: 1px solid #707070;
    ;
}

.contact-content .contact-icon .img-1 {
    width: 35.52px;
    height: 59.41px;
}

.contact-content .contact-icon .img-2 {
    width: 39.01px;
    height: 62.26px;
}

.contact-content .contact-icon .img-3 {
    width: 56.07px;
    height: 37.38px;
}

.contact-content .contact-right {
    padding: 20px 0px 20px 23.5px;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.contact-content .contact-title {
    color: #333;
    margin-bottom: 10px;
}

.contact-content .contact-text {
    color: #333;
    line-height: 24px;
}

/* 自定义选择框样式 */
.contact-content .custom-select-container {
    position: relative;
}

.contact-content .custom-select-display {
    width: 100%;
    height: 45px;
    line-height: 45px;
    border: 1px solid #e1e1e1;
    border-radius: 7px;
    font-size: 16px;
    background-color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    font-family: 'Alibaba PuHuiTi' !important;
}

.contact-content .custom-select-arrow {
    transition: transform 0.3s;
    font-size: 11px !important;
    font-weight: 700;
    color: #001555;
}

.contact-content .custom-select-container.open .custom-select-arrow {
    transform: rotate(180deg);
}

.contact-content .custom-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    border: 1px solid #e1e1e1;
    border-radius: 7px;
    margin-top: 5px;
    display: none;
    z-index: 100;
    max-height: 165px;
    overflow: hidden;
    padding: 13px 28px 0px;
}

.contact-content .custom-select-container.open .custom-select-dropdown {
    display: block;
}

.contact-content .dropdown-pagination {
    display: flex;
    justify-content: center;
    margin-bottom: 4px;
    margin-top: 3px;
}

.contact-content .dropdown-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
}

.contact-content .dropdown-btn span {
    font-size: 14px !important;
}

.contact-content .dropdown-btn:hover {
    color: #001555;
}

.contact-content .dropdown-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.contact-content .dropdown-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow-y: auto;
}

.contact-content .dropdown-item {
    line-height: 24px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px;
    color: #6d6d6d;
}

.contact-content .dropdown-item:hover {
    color: #001555;
}

.contact-content .dropdown-item.selected {
    color: #001555;
    font-weight: 400;
}

@media (max-width: 768px) {
    .contact {
        height: auto;
        font-size: 13px;
    }

    .contact-content .page-title {
        font-size: 16px;
        padding-top: 0px;
    }

    .contact-content .page-subtitle {
        font-size: 13px;
        color: #ffffff;
        margin-top: 10px;
    }

    .contact-content .form-section {
        width: 100%;
        border-radius: 5px;
        padding: 20px;
        height: auto;
    }

    .contact-content .form-label {
        font-size: 13px;
    }

    .contact-content .form-input,
    .form-select {
        font-size: 13px;
    }

    .contact-content .form-textarea {
        font-size: 13px;
    }

    .contact-content .form-grid {
        grid-template-columns: 1fr;
    }

    .contact-content .form-group.full-width {
        grid-column: span 1;
    }

    .contact-content .contact-info {
        width: 100%;
    }

    .contact-content .contact-card {
        margin-top: 20px;
    }

    .contact-content .submit-btn {
        width: 100px;
        height: 36px;
        line-height: 36px;
        font-size: 14px;
    }

    .contact-content .contact-text {
        font-size: 13px;
    }

    .contact-content .contact-icon .img-1 {
        width: 25px;
        height: 40px;
    }

    .contact-content .contact-icon .img-2 {
        width: 26px;
        height: 40px;
    }

    .contact-content .contact-icon .img-3 {
        width: 36px;
        height: 25px;
    }

    .contact-content .custom-select-display {
        font-size: 13px;
    }

    .contact-content .dropdown-item {
        font-size: 12px;
    }

    .contact-content .custom-select-arrow {
        font-size: 9px !important;
    }
}


/* 固定悬浮框 */
.contact-float {
    position: fixed;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffffff;
    border: 1px solid #001555;
    border-radius: 7px;
    box-shadow: 4px 3px 6px rgba(0, 0, 0, 0.16);
    z-index: 1000;
    height: 307px;
}

.contact-float .contact-item {
    width: 66px;
    height: 25%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #001555;
    cursor: pointer;
    position: relative;
}

.contact-float .contact-item:last-child {
    border-bottom: none;
}

.contact-float .contact-icon {
    width: 24px;
    height: 24px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.contact-float .icon-phone {
    width: 21.88px;
    height: 25.47px;
    background-image: url('../img/float-1.png');
}

.contact-float .icon-wechat {
    width: 37.96px;
    height: 25.97px;
    background-image: url('../img/float-2.png');
}

.contact-float .icon-qq {
    width: 29.02px;
    height: 34.17px;
    background-image: url('../img/float-3.png');
}

.contact-float .icon-file {
    width: 15.9px;
    height: 17.62px;
    background-image: url('../img/float-4.png');
}

.contact-float .contact-title {
    font-size: 16px;
    margin-top: 9px;
}

.contact-float .contact-tooltip {
    position: absolute;
    right: 70px;
    background-color: #fff;
    border: 1px solid #001555;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 16px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.contact-float .contact-item:hover .contact-tooltip {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .contact-float {
        display: none;
    }
}