@font-face {
    font-family: 'Inter-Light';
    src: url('../fonts/Inter-var-2.ttf') format('opentype'); /* 本地路径 */

    font-style: normal;
    font-display: swap;
}

/* 自定义CSS变量 */
:root {
    --primary: #083b6c;
    /* 主色调：深蓝色 */
    --secondary: #e8b11d;
    /* 辅助色： */
    --light: #fff;
    /* 白色 */
    --gray-color: #999;
    /* 浅灰色 */
    --gray-bg: #f7f8fa;
    --border-color: #ddd;
    /* 浅色边框 */
    --text-gray: #666;
    /* 浅色文本 */
}


/* 基础样式 */
html,
body {
    font-family: 'Inter-Light',Arial, sans-serif;
    background-color: #fff;
    color: #000;
    line-height: 2em;
    max-width: 2500px;
    overscroll-behavior: none;
}

body {
    -webkit-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
    -moz-text-size-adjust: 100% !important;
}

* {
    margin: 0;
    padding: 0;
}

.container {
    width: 92%;
    max-width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    --bs-gutter-x: 0rem;
}

a {
    text-decoration: none;
    color: var(--text-gray);
}

    a:hover {
        color: var(--secondary);
        text-decoration: none;
    }

    a.nolink {
        cursor: default
    }

ol, ul {
    padding-left: 0px;
}

dl, ol, ul {
    margin-bottom: 0;
}

li {
    list-style: none;
}

.img-fluid {
    width: 100%;
    height: auto;
    transition: all 1s ease;
}

.clear {
    clear: both;
}

input::placeholder {
    color: var(--gray-color);
}

i {
    font-style: normal;
}

h1, h2, h3, h4, h5 {
    font-family: Arial, Helvetica, sans-serif;
}

b, strong {
    font-weight: bold;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-05 {
    margin-bottom: 0.5rem !important;
}

.mb-1 {
    margin-bottom: 1rem !important;
}

.mb-15 {
    margin-bottom: 1.5rem !important;
}

.mb-2 {
    margin-bottom: 2rem !important;
}

.mb-3 {
    margin-bottom: 3rem !important;
}

.mb-4 {
    margin-bottom: 4rem !important;
}

.mb-5 {
    margin-bottom: 5rem !important;
}

.mb-6 {
    margin-bottom: 6rem !important;
}

.mb-7 {
    margin-bottom: 7rem !important;
}

.mb-8 {
    margin-bottom: 8rem !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mt-05 {
    margin-top: 0.5rem !important;
}

.mt-1 {
    margin-top: 1rem !important;
}

.mt-15 {
    margin-top: 1.5rem !important;
}

.mt-2 {
    margin-top: 2rem !important;
}

.mt-3 {
    margin-top: 3rem !important;
}

.mt-4 {
    margin-top: 4rem !important;
}

.mt-5 {
    margin-top: 5rem !important;
}

.mt-6 {
    margin-top: 6rem !important;
}

.mt-7 {
    margin-top: 7rem !important;
}

.mt-8 {
    margin-top: 8rem !important;
}
/* 单行文本超出省略 */
.text-line-1 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* 两行文本超出省略 */
.text-line-2, .text-line-3, .text-line-4, .text-line-5, .text-line-6 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* 三行文本超出省略 */
.text-line-3 {
    -webkit-line-clamp: 3;
    line-clamp: 3;
}
/* 四行文本超出省略 */
.text-line-4 {
    -webkit-line-clamp: 4;
    line-clamp: 4;
}
/* 五行文本超出省略 */
.text-line-5 {
    -webkit-line-clamp: 5;
    line-clamp: 6;
}
/* 六行文本超出省略 */
.text-line-6 {
    -webkit-line-clamp: 6;
    line-clamp: 6;
}





header {
    position: relative;
}

    header .container {
        overflow: hidden;
        height: auto;
        position: relative;
    }

.top {
    width: 100%;
    position: absolute;
    z-index: 100;
    color: #fff;
    left: 0;
    top: 0px;
    padding-top: 2rem;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 100%);
}

    .top .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1rem;
        overflow: visible;
    }

    .top .btn-nav {
        width: 5%;
        overflow: hidden;
    }

        .top .btn-nav i {
            display: block;
            color: #fff;
            cursor: pointer;
            font-size: 2rem;
        }

            .top .btn-nav i.close {
                display: none;
            }

    .top .menu {
        width: 70%;
        margin-left: 4%;
    }

    .top .logo {
        width: 18%;
    }

        .top .logo img {
            width: 100%;
            height: auto;
        }

            .top .logo img:nth-child(2) {
                display: none;
            }

    .top .search {
        width: 8%;
        text-align: right;
        cursor: pointer;
    }

        .top .search i {
            font-size: 1.5rem;
            font-weight: 300;
            vertical-align: middle;
            margin-right: 0.5rem;
            margin-top: 0.5rem;
        }

    .top .search-box {
        display: none;
    }

    .top .menu {
        font-size: 1rem;
        line-height: 1.5em;
    }

        .top .menu li {
            width: auto;
            float: left;
            margin-left: 8%;
            height: 3rem;
        }

        .top .menu a {
            color: #fff;
        }

            .top .menu a:hover {
                color: var(--secondary);
            }

    .top .menu-box {
        display: none;
    }

    .top .menu .navbar2 li {
        position: relative;
    }

        .top .menu .navbar2 li span {
            display: block;
        }

        .top .menu .navbar2 li ul {
            position: absolute;
            top: 3rem;
            left: -9999px;
            width: auto;
            padding: 1rem;
            background: rgba(0,0,0,0.2)
        }

            .top .menu .navbar2 li ul li {
                white-space: nowrap;
                float: none;
                margin-left: 0;
                margin-bottom: 0.2rem;
                height: auto;
                font-size: 0.9rem;
            }

                .top .menu .navbar2 li ul li:last-child {
                    margin-bottom: 0;
                }

        .top .menu .navbar2 li:hover ul {
            left: -1rem;
        }



.menu-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 12;
    display: none;
}


/* 导航栏样式 */
.navbar {
    font-size: 1rem;
    transition: background-color 0.3s ease;
    --bs-navbar-padding-y: 0rem;
}

#navbarContent {
    flex: 1;
}

.navbar-nav {
    width: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column !important;
    line-height: 1.2em;
}

.navbar-collapse {
    width: 100%;
}

.navbar-nav {
    background: var(--primary);
    width: 25%;
    position: relative;
}

    .navbar-nav > li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

        .navbar-nav > li > a {
            font-size: 1.3rem;
            color: #fff;
            display: block;
            white-space: nowrap;
            padding: 2rem 2rem;
        }

        .navbar-nav > li.current > a {
            color: var(--secondary);
        }
    /*.navbar-nav > li:after {
  content: '';
  position: absolute;
  width: 0;
  height: 0.1rem;
  bottom: 0rem;
  left: 0;
  background-color: var(--secondary);
  transition: width 0.3s ease;
}

.navbar-nav li.current:after{  width: 100%;}*/
    .navbar-nav li ul {
        display: none;
    }

    .navbar-nav li.current ul {
        display: block;
    }


.top {
    transition: all 0.5s ease
}

.openmenu.top {
    background: #fff;
}

    .openmenu.top .container {
        padding: 0;
    }

    .openmenu.top .logo img:nth-child(1) {
        display: none;
    }

    .openmenu.top .logo img:nth-child(2) {
        display: block;
    }

    .openmenu.top .menu {
        display: none;
    }

    .openmenu.top .btn-nav i {
        color: #000;
    }

        .openmenu.top .btn-nav i.show {
            display: none;
        }

        .openmenu.top .btn-nav i.close {
            display: block;
        }

    .openmenu.top .search {
        display: none;
    }

    .openmenu.top .search-box {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 77%;
        border: 1px solid var(--border-color);
        margin-left: 5%;
        height: 3rem;
        overflow: hidden;
        border-radius: 0.3rem;
    }

        .openmenu.top .search-box input {
            line-height: 3rem;
            border: none;
            width: 100%;
            background: #fff;
            outline: none;
            padding: 0 1rem;
        }

        .openmenu.top .search-box i {
            color: var(--text-gray);
            font-size: 1.5rem;
            padding-right: 1rem;
            cursor: pointer;
        }

.top .menu-box {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: #fff;
}

.top .submenu {
    display: block;
    position: absolute;
    left: -9999px;
    top: 0;
    width: 130%;
    height: 100%;
    background: #fff;
}

    .top .submenu li > a {
        font-size: 1.1rem;
        font-weight: 200;
        display: block;
        white-space: nowrap;
        padding: 2rem 3rem;
        position: relative;
    }

        .top .submenu li > a:after {
            content: '\e600';
            font-family: 'iconfont';
            position: absolute;
            right: 3rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: inherit;
            display: none;
        }

    .top .submenu li.current > a:after {
        display: block;
    }

    .top .submenu li.current > a {
        font-weight: 400;
        color: #000;
    }

.top .submenu-info {
    position: absolute;
    left: -9999px;
    top: 0;
    width: 130.85%;
    border-left: 1px solid var(--border-color);
    background: #fff;
}

    .top .submenu-info img {
        width: 100%;
        height: auto;
        height: 450px;
        object-fit: cover;
        object-position: center;
    }

    .top .submenu-info h3 {
        color: #000;
        margin: 3rem 3rem 1rem 3rem;
    }

    .top .submenu-info p {
        color: var(--text-gray);
        margin: 0rem 3rem;
    }

    .top .submenu-info a {
        font-weight: 400 !important;
    }

.top li.current > .submenu {
    left: 100%;
    top: 0;
}

.top li.current > .submenu-info {
    left: 100%;
}



a.btn-into {
    display: inline-block;
    background: var(--secondary);
    border-radius: 1rem;
    padding: 1rem 2rem !important;
    position: relative;
    overflow: hidden;
    padding-right: 3rem !important;
    color: #fff !important;
}

    a.btn-into:hover i {
        margin-right: 0.5rem;
    }

    a.btn-into i {
        transition: all 0.5s ease;
        transform-origin: left center;
        position: relative;
        position: absolute;
    }

    a.btn-into:hover i {
        animation: iconAnimation 0.5s ease forwards;
    }

    a.btn-into span {
        transition: transform 0.5s ease;
        margin-right: 0.5rem;
        display: inline-block;
    }

    a.btn-into:hover span {
        transform: translateX(1.5rem);
    }

.top a.btn-into {
    margin: 2rem 3rem;
}

@keyframes iconAnimation {
    0% {
        transform: translateX(0) scaleX(1);
        opacity: 1;
    }

    50% {
        transform: translateX(100%) scaleX(1);
        opacity: 0;
    }

    51% {
        transform: translateX(-100%) scaleX(1);
        opacity: 0;
        left: -1.5rem;
    }

    100% {
        transform: translateX(0) scaleX(1);
        opacity: 1;
        left: 1.5rem;
    }
}

.content {
    background: #fff;
    position: relative;
}

    .content .container {
        max-width: 1720px;
    }



/* 页脚样式 */
footer {
    background-color: var(--primary);
    color: var(--light);
    font-size: 0.9rem;
}

    footer .container {
        padding: 3rem 0;
    }

    footer a {
        color: var(--light);
    }

    footer .navbar2 {
        display: flex;
    }

        footer .navbar2 li {
            flex: 1;
            margin-bottom: 0.5rem;
        }

        footer .navbar2 > li a {
            font-weight: 300;
            opacity: 0.7;
        }

            footer .navbar2 > li a:hover {
                opacity: 1;
            }

        footer .navbar2 > li > a {
            font-weight: 400;
            opacity: 1;
            line-height: 1.5rem;
            font-size: 1.2rem;
        }

            footer .navbar2 > li > a span {
                display: block;
            }

        footer .navbar2 li ul {
            margin-top: 1.5rem;
            line-height: 1.5rem;
        }

        footer .navbar2 > li > a {
            position: relative;
        }

            footer .navbar2 > li > a::before {
                content: '';
                display: block;
                position: absolute;
                left: -1rem;
                top: 0.5rem;
                width: 0.4rem;
                height: 0.4rem;
                line-height: 0;
                background-color: var(--secondary); /* 品牌蓝色方块 */
                flex-shrink: 0; /* 防止方块被压缩 */
                font-size: 0;
            }

    footer .footer-contact, footer .footer-copyright {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    footer .footer-contact {
        border-bottom: 1px solid rgba(255,255,255,0.5);
        padding-bottom: 1rem;
        margin-bottom: 1rem;
        margin-top: 3rem;
        ;
    }

        footer .footer-contact .left {
            flex: 1;
            font-size: 1.5rem;
        }

        footer .footer-contact .right a {
            display: inline-block;
            background: var(--secondary);
            color: #000;
            padding: 0.3rem 1.5rem;
        }

    footer .footer-copyright {
        font-weight: 300;
        opacity: 0.8;
        ;
    }

        footer .footer-copyright .left {
            flex: 1;
        }

        footer .footer-copyright .right ul {
            display: flex;
            align-items: center;
        }

            footer .footer-copyright .right ul li {
                margin-left: 0.5rem;
            }

        footer .footer-copyright .right img {
            width: auto;
            height: 1rem;
            margin-top: -0.3rem;
            display: inline-block;
            position: relative;
            transition: all 0.3s ease;
        }


        footer .footer-copyright .line {
            margin: 0 0.5rem;
            opacity: 0.5;
            font-weight: 300
        }


.sidebar {
    position: fixed;
    z-index: 1000;
    bottom: 10%;
    right: 0.5%;
    background: #fff;
    border-radius: 3rem;
    padding: 2rem 0.8rem;
    padding-bottom: 1.5rem;
}

    .sidebar a {
        display: block;
        position: relative
    }

    .sidebar i {
        font-size: 2.5rem;
    }

    .sidebar a:first-child {
        margin-bottom: 2rem;
    }

    .sidebar a:first-child {
        color: #3fd175;
    }

    .sidebar a:nth-child(2) i {
        color: #f60000;
    }


    .sidebar a:first-child img {
        display: none;
        position: absolute;
        top: -30px;
        left: -180px;
    }

    .sidebar a:first-child:hover img {
        display: block
    }



@media (max-width:3000px) {
    html, body {
        font-size: calc(100vw / 135);
    }
}

@media (max-width:2500px) {
    html, body {
        font-size: 19px;
    }
}

@media (max-width:2200px) {
    html, body {
        font-size: calc(100vw / 115)
    }
}

@media (max-width: 1920px) {
    html, body {
        font-size: calc(100vw /100);
    }
}

@media (max-width: 1700px) {
    html, body {
        font-size: calc(100vw / 90);
    }
}

@media (max-width: 1440px) {
    html, body {
        font-size: calc(100vw / 85);
    }
}

@media (max-width: 1200px) {
    html, body {
        font-size: calc(100vw / 85);
    }
}

@media (max-width: 1000px) {
    html, body {
        font-size: calc(100vw / 88);
    }
}
/* 响应式调整 */
@media (max-width: 767px) {

    html, body {
        font-size: 14px;
    }

    .container {
        padding: 0 15px !important;
        max-width: 100%;
        overflow: hidden;
    }

    .mt-3 {
        margin-top: 20px !important;
    }

    .mt-4 {
        margin-top: 25px !important;
    }

    .mt-5 {
        margin-top: 30px !important;
    }

    .mb-2 {
        margin-bottom: 15px !important;
    }

    .mb-3 {
        margin-bottom: 20px !important;
    }

    .mb-5 {
        margin-bottom: 30px !important;
    }

    .mb-7 {
        margin-bottom: 40px !important;
    }


    .p-5 {
        padding: 15px !important;
    }

    .pt-5 {
        padding-top: 30px !important;
    }

    .pb-5 {
        padding-bottom: 30px !important;
    }
    /* 栅格系统统一边距 */
    .row > * {
        padding-left: 15px;
        padding-right: 15px;
    }

    .content {
        margin-top: 15px;
    }

    .col-xs-6 {
        flex: 0 0 auto;
        width: 50%;
    }

    .col-xs-4 {
        flex: 0 0 auto;
        width: 33.33%;
    }

    .top {
        background: var(--primary);
        padding: 1.5rem 0;
        position: relative;
    }

        .top .container {
            flex-direction: row-reverse;
            margin-bottom: 0;
            padding: 0 !important;
            overflow: visible !important;
            position: unset !important;
        }

        .top .btn-nav {
            width: auto;
        }

        .top .logo {
            width: 60%;
        }

        .top .menu, .search {
            display: none;
        }

        .top .menu {
            position: absolute;
            z-index: 100000;
            left: 0px;
            top: 5.8rem;
            background: var(--gray-bg);
            width: 100%;
            margin-left: 0;
            border-bottom: 1px solid #ccc;
        }

            .top .menu a {
                color: #000;
                font-weight: 300;
                padding: 0 1rem;
                position: relative;
                display: block;
            }

                .top .menu a:after {
                    content: '\e600';
                    font-family: 'iconfont';
                    position: absolute;
                    right: 1.5rem;
                    top: 50%;
                    transform: translateY(-50%);
                    font-size: 14px;
                    color: inherit;
                    display: none;
                }

                .top .menu a:hover:after {
                    display: block;
                }

            .top .menu li {
                float: none;
                margin-left: 0;
                font-size: 1.5rem;
                margin: 1.5rem 0;
                height: auto;
                line-height: 1.5em
            }

            .top .menu .navbar2 li span {
                display: inline;
            }

            .top .menu .navbar2 li ul {
                position: relative;
                display: none;
                left: auto !important;
                top: auto;
                background: rgba(0,0,0,0.05) !important
            }

                .top .menu .navbar2 li ul li {
                    margin: 0.5rem 0;
                    font-size: 1.4rem;
                }

            .top .menu .search-box {
                display: flex;
                align-items: center;
                justify-content: space-between;
                background: var(--gray-bg);
                border: 1px solid var(--border-color);
                height: 3rem;
                overflow: hidden;
            }

                .top .menu .search-box input {
                    background: transparent;
                    line-height: 3rem;
                    border: none;
                    width: 100%;
                    outline: none;
                    padding: 0 1rem;
                }

                .top .menu .search-box i {
                    color: var(--text-gray);
                    font-size: 1.5rem;
                    padding-right: 1rem;
                    cursor: pointer;
                }



    footer .container {
        width: 98%;
        padding: 0 10px !important;
    }

    footer .navbar2 {
        flex-wrap: wrap;
        margin-top: 2rem;
        width: 96%;
    }

        footer .navbar2 li {
            flex: auto;
            white-space: nowrap;
            width: 50%;
            padding-left: 1rem;
        }

            footer .navbar2 li:nth-child(2n) {
                width: 40%;
            }

            footer .navbar2 li ul {
                display: none;
            }

        footer .navbar2 > li > a {
            font-size: 0.8rem;
        }

            footer .navbar2 > li > a span {
                display: inline;
            }

            footer .navbar2 > li > a::before {
                width: 0.2rem;
                height: 0.2rem;
            }

    footer .footer-contact {
        flex-direction: column;
        margin-top: 2rem;
    }

        footer .footer-contact .left {
            font-weight: 300;
            font-size: 1.3rem;
        }

        footer .footer-contact .right {
            width: 100%;
        }

            footer .footer-contact .right a {
                display: block;
                width: 100%;
                margin-top: 2rem;
                text-align: center;
                font-weight: bold;
                margin-bottom: 1rem;
                font-size: 1.2rem;
            }

    footer .footer-copyright .left {
        font-size: 0.7rem;
        margin-bottom: 1rem;
    }

    footer .footer-copyright .right {
        display: none;
    }


    .sidebar {
        display: none;
    }
}