* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

:root {
    --primary: #1a5276;
    --secondary: #2980b9;
    --accent: #2c3e50;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --highlight: #3498db;
    --navColor: #0B48B3;
    --navColor2: #0BB39C;
    --text: #34495e;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    /*background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);*/
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 头部样式 */
header {
    width: 100%;
    /*background: linear-gradient(135deg, var(--navColor) 0%, var(--navColor2) 100%);*/
    color: white;
    padding: 0 12%;
    position: fixed;
    top: 0;
    z-index: 1000;
    /*box-shadow: var(--shadow);*/
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #17273D;
    font-family: '思源黑体';
}

.logo-icon {
    background: var(--highlight);
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 桌面导航 */
.desktop-nav {
    display: flex;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 5px;
    margin-bottom: 0;
}

.nav-item {
    position: relative;
    padding: 0 20px;
    cursor: pointer;
    transition: var(--transition);
    /*border-radius: 8px;*/
    font-weight: 500;
    letter-spacing: 0.5px;

}
.nav-item a{
    color: #17273D;
    text-decoration: none;
    padding: 12px 0;
}
.nav-item:hover, .nav-item.active {
    /*background: rgba(255, 255, 255, 0.15);*/
}

.nav-item.active {
    /*background: rgba(255, 255, 255, 0.2);*/
    font-weight: 600;
}
.nav-item.active a{
    border-bottom: 1px solid #17273D;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    color: var(--text);
    min-width: 220px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: none;
    z-index: 100;
    overflow: hidden;
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition);
}

.nav-item:hover .submenu, .submenu.active {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.submenu-item {
    padding: 0 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;

}

.submenu-item a{
    color: #777;
    text-decoration: none;
}

.submenu-item:hover {
    background: var(--light);
    padding-left: 25px;
}

.submenu-item i {
    color: var(--secondary);
    width: 20px;
    text-align: center;
}

/* 移动导航 */
.mobile-nav-btn {
    display: none;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: white;
    z-index: 2000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    background: var(--primary);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-mobile-nav {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-items {
    overflow-y: auto;
    flex-grow: 1;
}

.mobile-nav-item {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    cursor: pointer;
}

.mobile-nav-item a{
    display: block !important;
    width: 100%; !important;
}

.mobile-nav-item.active {
    background: var(--light);
    font-weight: 600;
    color: var(--primary);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-toggle {
    font-size: 1.2rem;
    transition: var(--transition);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.mobile-submenu.active {
    max-height: 500px;
}

.mobile-submenu-item {
    padding: 14px 20px 14px 40px;
    background: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.mobile-submenu-item i {
    color: var(--secondary);
    width: 18px;
    text-align: center;
}

/* 主内容区域 */
.hero {
    background: linear-gradient(120deg, #2c3e50, #1a5276);
    color: white;
    padding: 80px 5%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><polygon points="0,100 100,0 100,100" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: var(--highlight);
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(52, 152, 219, 0.4);
    background: #2980b9;
}

/* 特色部分 */
.features {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--highlight);
    border-radius: 2px;
}

.section-title p {
    color: #7f8c8d;
    max-width: 700px;
    margin: 20px auto 0;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.feature-content {
    padding: 25px;
}

.feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

/* 页脚 */
/*footer {*/
/*    background: var(--dark);*/
/*    color: white;*/
/*    padding: 60px 5% 30px;*/
/*    margin-top: 60px;*/
/*}*/

/*.footer-container {*/
/*    max-width: 1400px;*/
/*    margin: 0 auto;*/
/*    display: grid;*/
/*    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));*/
/*    gap: 40px;*/
/*}*/

/*.footer-col h3 {*/
/*    font-size: 1.4rem;*/
/*    margin-bottom: 25px;*/
/*    position: relative;*/
/*    padding-bottom: 10px;*/
/*}*/

/*.footer-col h3::after {*/
/*    content: "";*/
/*    position: absolute;*/
/*    bottom: 0;*/
/*    left: 0;*/
/*    width: 50px;*/
/*    height: 3px;*/
/*    background: var(--highlight);*/
/*}*/

/*.footer-col p {*/
/*    margin-bottom: 20px;*/
/*    opacity: 0.8;*/
/*}*/

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--highlight);
    transform: translateY(-3px);
}

/*.footer-col ul {*/
/*    list-style: none;*/
/*}*/

/*.footer-col ul li {*/
/*    padding: 8px 0;*/
/*    border-bottom: 1px solid rgba(255, 255, 255, 0.05);*/
/*}*/

/*.footer-col ul li:last-child {*/
/*    border-bottom: none;*/
/*}*/

/*.footer-col ul li a {*/
/*    color: rgba(255, 255, 255, 0.8);*/
/*    transition: var(--transition);*/
/*    display: flex;*/
/*    align-items: center;*/
/*    gap: 10px;*/
/*}*/

/*.footer-col ul li a:hover {*/
/*    color: var(--highlight);*/
/*    padding-left: 5px;*/
/*}*/

.copyright {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .mobile-nav-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 5%;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }
    .contentBox{
        padding: 6% !important;
    }
    .footer1{
        display: none;
    }

    .footerBox1 .right-column{
        width: 100%;
    }
    .container2 .left-column:nth-child(2){
        display: none;
    }
    .container2 .left-column{
        width: 50% !important;
    }
    .contentBox{
        min-height: unset !important;
        text-indent: 0 !important;
    }
    .contentBox .gsjjImg{
        width: 100% !important;
        position: unset !important;
    }
    .contentBox .contentT{
        width: 100% !important;
        position: unset !important;
        margin-top: 10px !important;
    }
    .titleH,
    .info{
        font-size: 24px !important;
        margin: 10px 0;
        font-weight: 700;
        color: #17273D;
        font-family: '思源黑体';
    }
    .info{
        margin: 0;
        font-size: 14px !important;
        font-weight: normal;
    }
    .left-box{
        display: none !important;
    }
}

.footerBox1{
    display: flex;
    justify-content: space-between;
}

.footer1{
    width: 55%;
    height: 418px;
}

.right-column {
    width: 45%;
    background-color: #00203D;
    padding: 50px;
    height: 418px;
}

.container2 {
    display: flex;
    justify-content: space-evenly;
    margin: 0 auto;
    padding: 10px 15%;
    background-color: #17273D;
    background: url(/img/footer3.png) 0 0 no-repeat;
    background-size: cover;
    background-position: right; /* 图片居中显示 */
}

.container2 .left-column {
    width: 20%;
}

.left-column p{
    border-bottom: 1px solid #D1D8E3;
    margin: 0;
    padding: 14px 0;
}
.mapTitle{
    color: #393D46;
    font-family: '思源黑体';
}



.container2 h5 {
    margin: 5px 0;
    font-size: 16px;
}

.container2 ul {
    list-style: none;
    padding: 0;
}

.container2 li {
    margin-bottom: 3px;
}

.container2 a {
    text-decoration: none;
    color: #878787;
    text-align: center;
    font-size: 12px;
}

.container2 form {
    display: flex;
    flex-direction: column;
}

.container2 label {
    margin-top: 10px;
}

.container2 input[type="text"] {
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 3px;
    color: #777;
}

.container2 input[type="submit"] {
    background-color: #e0e0e0;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    cursor: pointer;
}

.container2 input[type="submit"]:hover {
    background-color: #d0d0d0;
}

.carousel-indicators li{
    border: 1px solid #000000 !important;
}

.carousel-indicators .active{
    background-color: #000000 !important;
}