:root {
    --primary-color: #0575BC;
    --secondary-color: #0A031D;
    --text-color: #6B808D;
    --light-bg: #F6FCFF;
    --primary-light: #3A7BFA;
    --primary-medium: #2A5FC9;
    --primary-dark: #1A3F99;
    --gray-bg: #f8f9fa;
    --dark-bg: #071739;
    --light-text: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}



/*:root {*/
/*    --primary-color: #0a5ba6;*/
/*    --secondary-color: #ffb922;*/
/*    --dark-color: #333;*/
/*    --light-color: #f8f9fa;*/
/*}*/

/*body {*/
/*    font-family: 'Rubik', 'Helvetica Neue', Helvetica, Arial, sans-serif;*/
/*    color: #636363;*/
/*    overflow-x: hidden;*/
/*}*/




/* 头部样式 - 与首页完全一致 */
.header-area {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9;
    background: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 80px;
    transition: all 0.3s ease;
}

.header-area.sticky {
    position: fixed;
    top: 0;
    background: #fff;
    border-bottom: 1px solid #ddd;
    z-index: 999;
    animation: fadeInDown 0.5s ease-in-out;
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.05);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar {
    padding: 0;
    height: 100%;
}

.logo, .main-nav, .menu-btn-wrap {
    display: flex;
    align-items: center;
    height: 100%;
}

.main-nav {
    justify-content: center;
}

.menu-btn-wrap {
    justify-content: end;
    height: 100%;
}

.navbar-nav .nav-item {
    padding: 0 21px;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link {
    font-family: 'Segoe UI', sans-serif;
    font-weight: 500;
    font-size: 16px;
    text-transform: uppercase;
    color: #fff;
    display: inline-block;
    position: relative;
    transition: all 0.3s;
    padding: 0;
}

.header-area.sticky .navbar-nav .nav-link {
    color: var(--secondary-color);
}

.navbar-nav .nav-link::before {
    position: absolute;
    left: 0;
    bottom: -30px;
    height: 2px;
    width: 0;
    background: var(--primary-color);
    content: "";
    transition: all .3s;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
    color: var(--primary-color);
}

.navbar-nav .nav-link.active::before,
.navbar-nav .nav-link:hover::before {
    width: 100%;
}

.dropdown-toggle::after {
    border: none;
    font-family: "bootstrap-icons";
    content: "\f282";
    vertical-align: middle;
    margin-left: 5px;
    font-size: 12px;
}

.dropdown-menu {
    background: #fff;
    box-shadow: 7px 10px 40px rgba(13, 52, 79, 0.1);
    border-radius: 4px;
    border: 1px solid #ddd;
    min-width: 200px;
}

.dropdown-item {
    padding: 15px 18px;
    border-bottom: 1px solid #ddd;
    font-weight: 500;
    transition: all 0.3s;
}

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

.dropdown-item:hover {
    color: var(--primary-color);
    background: transparent;
}

.contact-info {
    display: flex;
    align-items: center;
}

.contact-info-icon {
    margin-right: 10px;
}

.contact-info-details h5 {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.header-area.sticky .contact-info-details h5 {
    color: rgba(0, 0, 0, 0.5);
}

.contact-info-details a {
    font-size: 18px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s;
}

.header-area.sticky .contact-info-details a {
    color: var(--secondary-color);
}

.contact-info-details a:hover {
    color: var(--primary-color);
}

.search-wrap {
    position: relative;
    margin-left: 20px;
    height: 100%;
    display: flex;
    align-items: center;
}

.search-icon {
    cursor: pointer;
    height: 100%;
    display: flex;
    align-items: center;
}

.search-icon i {
    color: rgba(255, 255, 255, 0.5);
    font-size: 20px;
    transition: all 0.4s;
    padding: 5px 19px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.header-area.sticky .search-icon i {
    color: rgba(0, 0, 0, 0.5);
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.search-icon i:hover {
    color: var(--primary-color);
}

.search-icon i.cancel {
    display: none;
}

.search-field {
    transition: all .4s ease;
    position: absolute;
    bottom: -92px;
    right: 0;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
}

.search-field::before {
    position: absolute;
    content: "";
    height: 10px;
    width: 20px;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: var(--primary-color);
    bottom: 99%;
    right: 5px;
}

.search-field form {
    height: 50px;
    width: 300px;
    display: flex;
    align-items: center;
    border-radius: 6px;
    padding: 3px;
    background: var(--primary-color);
    overflow: hidden;
    box-shadow: 0 2px 40px rgba(0, 0, 0, 0.08);
}

.search-field form input {
    width: 100%;
    height: 100%;
    border-radius: 5px;
    border: none;
    padding: 0 34px 0 10px;
}

.search-field form i {
    position: absolute;
    color: var(--primary-color);
    cursor: pointer;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 19px;
}

.search-icon.active i.search {
    display: none;
}

.search-icon.active i.cancel {
    display: inline-block;
}

.search-icon.active ~ .search-field {
    opacity: 1;
    pointer-events: auto;
}

/* 修复汉堡按钮样式 */
.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    font-size: 1.25rem;
    background: transparent;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon i {
    color: #fff;
}

.header-area.sticky .navbar-toggler-icon i {
    color: var(--secondary-color);
}

.menu-toggle-btn {
    background-color: var(--primary-color);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
    margin-left: 0;
    border: none;
    color: white;
    position: absolute;
    right: 0;
    top: 0;
}

.menu-toggle-btn i {
    font-size: 24px;
}

/* 侧边栏样式 - 修复移动端显示问题 */
.menu-toggle-btn-full-shape {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 9999;
    transform: translateX(100%);
    transition: all .7s ease 0s;
    background: rgba(0, 0, 0, 0.6);
    top: 0;
    left: 0;
}

.menu-toggle-btn-full-shape.show-sidebar {
    transform: translateX(0) !important;
}

.menu-toggle-wrap {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #fff;
    padding: 60px 40px 50px 50px;
    max-width: 480px;
    overflow-y: auto;
    right: 0;
    box-shadow: 7px 10px 40px rgba(13, 52, 79, 0.1);
    display: flex;
    flex-direction: column;
}

.cross-icon {
    background: var(--primary-color);
    display: inline-block;
    position: absolute;
    right: 0;
    top: 0;
    padding: 30px 17px 49px 54px;
    clip-path: ellipse(62% 65% at 80% 31%);
    cursor: pointer;
    z-index: 10;
}

.cross-icon i {
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    line-height: 34px;
    display: block;
    transition: .4s;
}

.cross-icon i:hover {
    transform: rotate(90deg);
}

.menu-toggle-content {
    margin-top: 20px;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.menu-toggle-content img {
    max-width: 200px;
    margin-bottom: 20px;
}

.menu-toggle-address-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.menu-toggle-address-wrap .contact-info {
    margin-bottom: 25px;
    flex-shrink: 0;
}

.menu-toggle-address-wrap .contact-info-details h5 {
    color: var(--text-color);
}

.menu-toggle-address-wrap .contact-info-details a {
    color: var(--primary-color);
}

.copy-text {
    margin-top: 20px;
    color: var(--text-color);
    flex-shrink: 0;
}

.copy-text a {
    color: var(--primary-color);
}

/* 页面标题横幅 - 与首页轮播图风格一致 */
.page-header {
    background: #071739;
    color: white;
    padding: 180px 0 60px;
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 产品类别导航 */
.category-nav {
    background-color: var(--gray-bg);
    padding: 1.5rem 0;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.category-item {
    text-align: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: var(--primary-dark);
    background-color: transparent;
}

.category-item:hover, .category-item.active {
    background-color: white;
    color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 产品卡片样式 - 与首页产品介绍一致 */
.product-section {
    padding: 5rem 0;
}

.product-card {
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    margin-bottom: 20px;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.product-image-container {
    height: 220px;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
    margin-bottom: 1rem;
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-card .card-body {
    padding: 1.5rem;
}

.product-category {
    color: var(--primary-light);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.product-card .card-title {
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.product-card .card-text {
    color: #666;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.25rem 0;
    color: #666;
    display: flex;
    align-items: center;
}

.product-features li:before {
    content: '✓';
    color: var(--primary-light);
    font-weight: bold;
    margin-right: 0.5rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-medium);
}

/* 产品详情模态框 */
.modal-content {
    border: none;
    border-radius: 12px;
    overflow: hidden;
}

.modal-header {
    background-color: var(--primary-dark);
    color: white;
    border-bottom: none;
    padding: 1.5rem;
}

.modal-body {
    padding: 2rem;
}

.product-detail-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.feature-list {
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

/* 页脚样式 - 与首页一致 */
footer {
    background: linear-gradient(135deg, #0A031D 0%, #1a1a2e 100%);
    color: #fff;
    padding: 3rem 0 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #00c6ff);
}

.footer-title {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-link {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s;
    display: block;
    margin-bottom: 10px;
}

.footer-link:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.footer-contact i {
    color: var(--primary-color);
    margin-right: 10px;
    margin-top: 5px;
    font-size: 1.1rem;
}

.footer-contact div {
    flex: 1;
}

.footer-social {
    display: flex;
    margin-top: 20px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    margin-right: 10px;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.footer-newsletter p {
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.footer-newsletter .input-group {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.footer-newsletter input {
    background: transparent;
    border: none;
    color: #fff;
    padding: 10px 15px;
}

.footer-newsletter input::placeholder {
    color: #aaa;
}

.footer-newsletter button {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 0 15px;
    transition: all 0.3s;
}

.footer-newsletter button:hover {
    background: #0464a3;
}

.copyright {
    background: rgba(0, 0, 0, 0.3);
    color: #aaa;
    padding: 1.5rem 0;
    margin-top: 3rem;
    font-size: 0.9rem;
    text-align: center;
}

.copyright a {
    color: var(--primary-color);
    text-decoration: none;
}

/* 为固定导航栏添加顶部间距 */
.content-wrapper {
    margin-top: 0;
}

/* ========== 移动端适配 - 修复菜单高度问题 ========== */
@media (max-width: 991.98px) {
    .header-area {
        height: 60px; /* 移动端Header高度 */
    }

    /* 修复LOGO垂直居中 */
    .logo {
        height: 100%;
        display: flex;
        align-items: center;
        padding-left: 1rem;
    }

    .logo img {
        max-height: 35px; /* 限制LOGO高度，确保在60px内居中 */
        width: auto;
    }

    /* 修复汉堡按钮垂直居中 */
    .navbar-toggler {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
        margin-right: 1rem;
    }

    .navbar-toggler-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 24px;
        width: 24px;
    }

    /* 修复右上角网格按钮垂直居中 */
    .menu-toggle-btn {
        position: relative;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 15px;
        margin-left: 0;
        border-radius: 0;
        background-color: var(--primary-color);
        border: none;
        color: white;
    }

    /* 修复菜单定位和高度问题 - 关键修改 */
    .navbar-collapse {
        position: fixed; /* 改为固定定位 */
        top: 60px; /* 从Header底部开始 */
        left: 0;
        right: 0;
        background: rgba(10, 3, 29, 0.98);
        padding: 20px;
        z-index: 1000;
        overflow-y: auto;
        max-height: calc(100vh - 60px); /* 最大高度为屏幕高度减去Header高度 */
        border-radius: 0 0 10px 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        display: none; /* 默认隐藏 */
    }

    .navbar-collapse.show {
        display: block; /* 显示时设置为block */
        animation: slideDown 0.3s ease-out;
    }

    /* 添加下拉动画 */
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* 确保菜单内容正常显示 */
    .navbar-nav {
        margin-bottom: 20px;
    }

    .navbar-nav .nav-item {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .navbar-nav .nav-item:last-child {
        border-bottom: none;
    }

    .navbar-nav .nav-link {
        color: #fff !important;
        font-size: 16px;
        padding: 8px 0;
    }

    .navbar-nav .nav-link::before {
        display: none; /* 移除移动端的下划线动画 */
    }

    /* 修复菜单按钮区域样式 */
    .menu-btn-wrap {
        justify-content: flex-start;
        margin-top: 0;
        padding-top: 15px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        height: auto;
    }

    .contact-info {
        margin-bottom: 15px;
    }

    .search-wrap {
        margin-left: 0;
        margin-bottom: 15px;
        width: 100%;
    }

    .menu-toggle-btn {
        position: relative;
        margin-top: 10px;
        height: auto;
        padding: 10px 20px;
        width: 100%;
        justify-content: center;
    }

    .content-wrapper {
        margin-top: 60px !important;
    }

    .menu-toggle-wrap {
        max-width: 100%;
        padding: 46px 20px 50px 20px;
    }
}

@media (max-width: 767.98px) {
    .page-title {
        font-size: 1.75rem;
    }

    .product-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-footer .btn {
        margin-top: 1rem;
        width: 100%;
    }

    .category-nav .col {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    /* 在小屏幕上进一步限制菜单高度 */
    .navbar-collapse {
        max-height: 60vh;
    }

    .product-image-container {
        height: 120px;
    }
}

/* 超小屏幕适配 */
@media (max-width: 575.98px) {
    .menu-toggle-wrap {
        width: 90%;
        padding: 60px 20px 25px 20px;
    }

    .cross-icon {
        padding: 15px 12px 25px 30px;
    }

    .cross-icon i {
        font-size: 20px;
    }

    .menu-toggle-content img {
        max-width: 120px;
    }

    .menu-toggle-address-wrap .contact-info-details a {
        font-size: 0.9rem;
    }
}

/* 横屏模式适配 */
@media (max-height: 600px) and (orientation: landscape) {
    .menu-toggle-wrap {
        padding-top: 50px;
    }

    .menu-toggle-content {
        margin-top: 10px;
        margin-bottom: 15px;
    }

    .menu-toggle-address-wrap .contact-info {
        margin-bottom: 15px;
    }

    .menu-toggle-address-wrap .contact-info-details a {
        font-size: 0.9rem;
    }
}




.section-padding {
    padding: 80px 0;
}

.ptb-108 {
    padding: 80px 0 0 0;
}

.pd-top-80 {
    padding-top: 80px;
}

.pd-bottom-50 {
    padding-bottom: 50px;
}

.pd-bottom-10 {
    padding-bottom: 10px;
}

.section-title {
    margin-bottom: 50px;
}

.section-title h1, .section-title h2 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h1::after, .section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: white;

}

.section-title.text-center h1::after, .section-title.text-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    color: #606060;
    font-size: 16px;
}

.bg-gray {
    background-color: #071739;
}

.fontcolor{
    color: white;
}

.about-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.about-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.about-list i {
    margin-right: 10px;
    font-size: 18px;
}

.button-group {
    display: flex;
    width: 100%;
    max-width: 500px;
    margin: 30px 0;
}

.download-btn, .document-btn {
    padding: 12px 0;
    color: white;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.download-btn {
    flex: 0 0 70%;
    background: #007bff;
    border-radius: 5px 0 0 5px;
}

.document-btn {
    flex: 0 0 30%;
    background: #28a745;
    border-radius: 0 5px 5px 0;
}

.download-btn:hover {
    background: #0069d9;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.document-btn:hover {
    background: #218838;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.imagebox {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.imagebox:hover {
    transform: translateY(-5px);
}

.imagebox-image {
    position: relative;
    overflow: hidden;
}

.imagebox img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s;
}

.imagebox:hover img {
    transform: scale(1.05);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    transition: background 0.3s;
}

.imagebox:hover .overlay {
    background: rgba(0, 0, 0, 0.6);
}

.imagebox-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    color: white;
}

.imagebox-content h5 {
    margin-bottom: 5px;
    font-weight: 600;
}

.imagebox-content a {
    color: white;
    text-decoration: none;
}

.double-content {
    padding: 60px 0;
}

.double-content:nth-child(even) {
    background-color: #f9f9f9;
}

.double-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 15px;
    position: relative;
}

.double-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
}

.double-content p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 20px;
}

.double-content .images {
    height: 330px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.double-content .image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* 系统组成模块样式 */
.system-wrap {
    position: relative;
}

.system-wrap ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.system-wrap li {
    width: 270px;
    text-align: center;
    padding: 30px 20px;
    margin: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.system-wrap li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--secondary-color);
    transition: height 0.3s;
    z-index: 1;
}

.system-wrap li:hover::before {
    height: 100%;
}

.system-wrap li:hover {
    transform: translateY(-5px);
}

.system-wrap li:hover .img-icon {
    display: none;
}

.system-wrap li:hover .img-icon1 {
    display: block;
}

.system-wrap .img-icon {
    height: 70px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.system-wrap .img-icon1 {
    height: 70px;
    margin-bottom: 20px;
    display: none;
    position: relative;
    z-index: 2;
}

.system-wrap h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-color);
    position: relative;
    z-index: 2;
}

.system-wrap p {
    color: #666;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.system-wrap li:hover h4,
.system-wrap li:hover p {
    color: white;
}

/* 产品特色样式 - 大型旋转圆环 */
.feature-circle-section {
    position: relative;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.feature-circle-container {
    position: relative;
    width: 800px;
    height: 800px;
}

.rotating-circle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px dashed var(--primary-color);
    opacity: 0.3;
    animation: rotate 40s linear infinite;
}

.rotating-circle.paused {
    animation-play-state: paused;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.feature-items-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.feature-items {
    position: absolute;
    width: 200px;
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-items:hover {
    transform: scale(1.1);
    z-index: 10;
}

.feature-icons {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-items:hover .feature-icons {
    background: var(--primary-color);
    transform: rotateY(180deg);
}

.feature-icons i {
    font-size: 32px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.feature-items:hover .feature-icons i {
    color: white;
    transform: rotateY(180deg);
}

.feature-content {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 200px;
}

.feature-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.feature-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

.center-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: white;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 5;
    padding: 30px;
}

.center-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.center-desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.center-logo {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.center-logo i {
    font-size: 36px;
    color: white;
}

.controls {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 20px;
}

.control-btn {
    padding: 10px 25px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.control-btn:hover {
    background: #084a8a;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 核心流程样式 */
.flow-title ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.flow-title li {
    margin: 0 10px 10px;
}

.flow-title a {
    display: block;
    padding: 10px 20px;
    background: white;
    border-radius: 30px;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.flow-title a.active, .flow-title a:hover {
    background: var(--primary-color);
    color: white;
}

.flow-list {
    transition: opacity 0.3s;
}

/* 赢在细节样式 */
.flat-content {
    position: relative;
}

.flat-content ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.details-of-one {
    width: 180px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    height: 200px;
}

.details-of-one:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.details-img {
    height: 70px;
    margin: 20px auto 15px;
    display: block;
}

.details-of-one h5 {
    padding: 0 15px 15px;
    text-align: center;
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
}

.details-of-one a {
    color: var(--dark-color);
    text-decoration: none;
}

.font-box {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--primary-color);
    color: white;
    padding: 15px;
    transform: translateY(100%);
    transition: all 0.3s ease;
    border-radius: 0 0 8px 8px;
    opacity: 0;
}

.details-of-one:hover .font-box {
    transform: translateY(0);
    opacity: 1;
}

.data-details {
    margin: 0;
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
}

.iconbox-service {
    padding: 30px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: transform 0.3s;
}

.iconbox-service:hover {
    transform: translateY(-5px);
}

.iconbox-icon img {
    height: 60px;
    margin-bottom: 20px;
}

.iconbox-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.iconbox-content a {
    color: var(--dark-color);
    text-decoration: none;
}

.partners_content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.partners_content_list {
    display: block;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.partners_content_list:hover {
    transform: translateY(-5px);
}

.partners_content_list img {
    height: 60px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .feature-circle-container {
        width: 700px;
        height: 700px;
    }
}

@media (max-width: 992px) {
    .feature-circle-container {
        width: 600px;
        height: 600px;
    }

    .feature-items {
        width: 170px;
        height: 170px;
    }

    .feature-icons {
        width: 70px;
        height: 70px;
    }

    .feature-icons i {
        font-size: 28px;
    }

    .center-content {
        width: 250px;
        height: 250px;
    }

    .center-title {
        font-size: 20px;
    }

    .center-desc {
        font-size: 14px;
    }

    .button-group {
        flex-direction: column;
    }

    .download-btn, .document-btn {
        flex: 1;
        border-radius: 5px;
        margin-bottom: 10px;
    }

    .double-content .images {
        height: 250px;
        margin-top: 30px;
    }

    .system-wrap li, .flat-content li {
        width: calc(50% - 10px);
    }
    .details-of-one {
        height: 160px;
    }
    .details-of-one h5 {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .feature-circle-container {
        width: 500px;
        height: 500px;
    }

    .feature-items {
        width: 140px;
        height: 140px;
    }

    .feature-icons {
        width: 60px;
        height: 60px;
    }

    .feature-icons i {
        font-size: 24px;
    }

    .feature-content {
        padding: 10px;
    }

    .feature-title {
        font-size: 14px;
    }

    .feature-desc {
        font-size: 11px;
    }

    .center-content {
        width: 200px;
        height: 200px;
        padding: 20px;
    }

    .center-title {
        font-size: 18px;
    }

    .center-desc {
        font-size: 12px;
    }

    .center-logo {
        width: 60px;
        height: 60px;
    }

    .center-logo i {
        font-size: 28px;
    }
}

@media (max-width: 576px) {
    .details-of-one {
        width: calc(50% - 10px);
        height: 140px;
    }

    .details-of-one h5 {
        font-size: 13px;
    }

    .details-img {
        height: 50px;
    }

    .feature-circle-container {
        width: 400px;
        height: 400px;
    }

    .feature-items {
        width: 120px;
        height: 120px;
    }

    .feature-icons {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }

    .feature-icons i {
        font-size: 20px;
    }

    .feature-content {
        padding: 8px;
    }

    .feature-title {
        font-size: 12px;
        margin-bottom: 5px;
    }

    .feature-desc {
        font-size: 10px;
        display: none;
    }

    .feature-items:hover .feature-desc {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 180px;
        background: white;
        padding: 10px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        z-index: 20;
    }

    .center-content {
        width: 160px;
        height: 160px;
        padding: 15px;
    }

    .center-title {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .center-desc {
        font-size: 11px;
        margin-bottom: 10px;
    }

    .center-logo {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }

    .center-logo i {
        font-size: 24px;
    }
}