/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
    padding-top: 70px; /* 与导航栏高度相同 */
}

/* 导航栏样式 */
.custom-navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    padding: 0;
    height: 70px;
    position: fixed; /* 固定定位 */
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000; /* 确保导航栏始终在最上层 */
}

.custom-navbar .navbar-nav {
    margin-left: auto !important; /* 使导航菜单靠右 */
}

.custom-navbar .navbar-nav .nav-link {
    color: #666666;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
    line-height: 55px; /* 与导航栏高度一致 */
}

.custom-navbar .navbar-nav .nav-link:hover,
.custom-navbar .navbar-nav .nav-link.active {
    color: #002fa7;
    border-bottom: 2px solid #002fa7;
    font-weight: bold;
}

/* 下拉菜单样式 */
.dropdown-menu {
    background-color: #cccccc;
    border: none;
    border-radius: 0;
    margin-top: 0 !important;
    top: 100% !important;
    left: 0 !important;
    transform: none !important;
    padding: 0;
    border-bottom: 2px solid #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.dropdown-item {
    color: #333333;
    padding: 0.8rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.dropdown-item:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.dropdown-item:hover {
    background-color: #bbbbbb;
    color: #002fa7;
}

/* 语言切换样式 */
.language-switch a {
    color: #666666;
    font-size: 14px;
}

.language-switch a.active {
    color: #002fa7;
}

/* 搜索框样式 */
.search-container {
    position: relative;
}

.search-toggle {
    background: none;
    border: none;
    color: #666666;
    padding: 0;
    cursor: pointer;
}

.search-box {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    width: 300px;
    padding: 10px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    z-index: 1000;
}

.search-box.show {
    display: block;
}

.search-box .form-control {
    border-radius: 0;
}

.search-box .btn-close {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

/* 获取方案按钮样式 */
.get-solution-btn {
    background-color: #002fa7;
    border: none;
    padding: 0 20px;
    height: 70px; /* 与导航栏高度一致 */
    border-radius: 0;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.get-solution-btn:hover {
    background-color: #002fa7;
    border: none;
    padding: 0 20px;
    height: 70px; /* 与导航栏高度一致 */
    border-radius: 0;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-size { 
    font-size: 3.5rem !important; /* 调小图标大小 */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333; /* 添加图标颜色 */
    line-height: 0.9;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .custom-navbar {
        height: auto;
        padding: 10px 0;
    }
    
    .custom-navbar .navbar-nav .nav-link {
        line-height: normal;
    }
    
    .search-box {
        width: 100%;
        position: static;
        margin-top: 10px;
    }
    
    .get-solution-btn {
        height: auto;
        margin-top: 10px;
        width: 100%;
        padding: 8px 20px;
    }
}

/* 主要内容区域样式 */
.container {
    padding: 20px 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
}

/* Banner模块样式 */
.banner-section {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.banner-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.banner-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 添加渐变遮罩层 */
.banner-slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, 
        rgba(0, 47, 167, 0.8) 0%,
        rgba(0, 47, 167, 0.4) 70%,
        rgba(0, 47, 167, 0) 100%
    );
    pointer-events: none;
}

.banner-content {
    position: absolute;
    left: 10%;
    top: 50%;
    transform: translateY(-50%);
    color: #ffffff;
    text-align: left;
    max-width:1200px;
    z-index: 1; /* 确保内容在渐变层之上 */
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.banner-button {
    display: flex;
    align-items: center;
    background: #0056b3;
    border-radius: 12px; /* 圆角加大 */
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    min-width: 220px;
    max-width: 220px;
    border-left: 2px solid #ffd700; /* 整体左侧黄色竖线 */
    box-sizing: border-box;
}

.banner-button:hover {
    background: #004494;
}

.button-left, .button-right {
    padding: 10px 18px;
}

.button-left {
    position: relative;
    padding: 10px 18px;
    color: #fff;
    font-weight: 500;
}

.button-left::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 70%;
    background-color: #ffd700;
}

.button-right {
    padding: 12px 20px;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.9em;
}

.button-right span:first-child {
    color: #ffd700;
    font-weight: 500;
}

.button-right span:last-child {
    font-size: 0.85em;
    opacity: 0.9;
}

.banner-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    color: #ffffff;
    font-size: 20px;
    transition: background-color 0.3s ease;
    z-index: 2; /* 确保控制按钮在渐变层之上 */
}

.banner-control:hover {
    background: rgba(255, 255, 255, 0.5);
}

.banner-control.prev {
    left: 20px;
}

.banner-control.next {
    right: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .banner-section {
        height: 400px;
    }

    .banner-content {
        left: 5%;
        right: 5%;
        max-width: none;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 18px;
    }

    .banner-button {
        flex-direction: column;
        border-radius: 15px;
    }

    .button-left {
        padding: 10px 20px;
        text-align: center;
    }

    .button-right {
        padding: 10px 20px;
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        text-align: center;
    }

    .banner-control {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* 服务模块样式 */
.service-section {
    margin: 60px auto;
}
.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px 0;
}
.service-item {
    position: relative;
    width: 100%;
    height: 320px;
    margin: 0 10px 30px 10px;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.service-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.service-mask {
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 32px 24px 24px 24px;
    color: #fff;
    background: rgba(0,0,0,0.5);
    transition: background 0.3s;
}
.mask-blue2 { background: rgba(0, 47, 167, 0.8); }
.mask-green  { background: rgba(3, 184, 139, 0.8); }
.mask-gray   { background: rgba(95, 96, 99, 0.8); }
.mask-blue   { background: rgba(0, 47, 167, 0.8); }

.service-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 12px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.15);
}
.service-desc {
    font-size: 15px;
    margin-bottom: 18px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.10);
}
.service-more {
    display: inline-flex;
    align-items: center;
    font-size: 15px;
    color: #fff;
    font-weight: 500;
    text-decoration: none;
    background: rgba(0,0,0,0.12);
    border-radius: 20px;
    padding: 6px 18px 6px 14px;
    transition: background 0.2s, color 0.2s;
}
.service-more i {
    margin-left: 8px;
    font-size: 16px;
    transition: transform 0.2s;
}
.service-more:hover {
    background: #fff;
    color: #222;
}
.service-more:hover i {
    transform: translateX(4px);
}

/* 响应式 */
@media (max-width: 991.98px) {
    .service-item { height: 240px; }
    .service-section { margin: 40px 0; }
}
@media (max-width: 767.98px) {
    .service-list { flex-direction: column; gap: 0; }
    .service-item { height: 180px; margin: 0 0 20px 0; }
    .service-section { margin: 24px 0; }
}

/* 产品业务模块整体居中 */
.product-business-section {
    width: 100%;
    background: #f5f5f5;
    padding: 80px 0;
}

.product-business-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.product-business-slider {
    position: relative;
    width: 100%;
    min-height: 400px;
}

.product-business-slide {
    display: none;
    width: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.product-business-slide.active {
    display: block;
}

.product-business-left {
    background: #002fa7;
    color: #fff;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 60px 40px;
    min-height: 400px;
}

.product-business-title {
    font-size: 2rem;
    margin-bottom: 24px;
}

.product-business-desc {
    font-size: 1.1rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

.product-business-btn {
    display: inline-block;
    background: #fcd217;
    color: #002fa7;
    padding: 12px 32px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    margin-top: 8px;
    transition: background 0.3s, color 0.3s;
}

.product-business-btn:hover {
    background: #e6bd15;
    color: #fff;
}

.product-business-right {
    height: 100%;
    position: relative;
    min-height: 400px;
}

.product-business-right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-business-icons {
    position: absolute;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    display: flex;
    gap: 32px;
    z-index: 10;
}

.product-business-icon {
    width: 90px;
    height: 90px;
    background: rgba(255,255,0,0.3);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s;
}

.product-business-icon.active,
.product-business-icon:hover {
    background: rgba(255,255,0,0.8);
}

.product-business-icon i {
    font-size: 28px;
    margin-bottom: 8px;
    color: #002fa7;
}

.product-business-icon span {
    font-size: 14px;
    color: #002fa7;
    white-space: nowrap;
}

@media (max-width: 991px) {
    .product-business-left { 
        padding: 30px 20px;
        min-height: 300px;
    }
    .product-business-right {
        min-height: 300px;
    }
    .product-business-icon { 
        width: 70px;
        height: 70px;
    }
    .product-business-icon i {
        font-size: 24px;
    }
    .product-business-icon span {
        font-size: 12px;
    }
}

@media (max-width: 767px) {
    .product-business-left,
    .product-business-right {
        min-height: 250px;
    }
    .product-business-icons {
        gap: 12px;
        bottom: 15px;
    }
    .product-business-icon {
        width: 60px;
        height: 60px;
    }
    .product-business-title {
        font-size: 1.5rem;
    }
    .product-business-desc {
        font-size: 1rem;
    }
}

/* 获取方案按钮样式 */
.get-solution-btn {
    background-color: #002fa7;
    border: none;
    padding: 0 20px;
    height: 70px; /* 与导航栏高度一致 */
    border-radius: 0;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.get-solution-btn:hover {
    background-color: #002fa7;
}

/* 获取方案表单弹出层样式 */
.solution-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.solution-modal.show {
    display: flex;
}

.solution-modal-content {
    background: #fff;
    width: 90%;
    max-width: 1000px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.solution-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    z-index: 1;
}

.solution-modal-body {
    display: flex;
    min-height: 600px;
}

.solution-modal-left {
    width: 35%;
    background-color: #002fa7;
    color: #fff;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.solution-modal-left h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.solution-modal-left p {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
}

.solution-modal-right {
    width: 65%;
    padding: 40px;
}

.solution-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    flex: 1;
}

.form-group.full-width {
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #002fa7;
    outline: none;
}

.submit-btn {
    background-color: #002fa7;
    color: #fff;
    border: none;
    padding: 14px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #002fa7;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .solution-modal-body {
        flex-direction: column;
    }

    .solution-modal-left,
    .solution-modal-right {
        width: 100%;
    }

    .solution-modal-left {
        padding: 40px 20px;
    }

    .solution-modal-right {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }
}

/* 市场应用模块样式 */
.market-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.market-slider {
    width: 100%;
    height: 100%;
}

.market-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.market-slide.active {
    opacity: 1;
}

.market-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.market-icons {
    position: absolute;
    bottom: 20%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 0 20px;
}
.market-icons a {
  text-decoration: none;
}

.market-icon {
    width: 90px;
    height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    border-radius: 8px;
    background-color: rgba(255, 255, 0, 0.3);
    transition: all 0.3s ease;
}

.market-icon.active {
    background-color: rgba(255, 255, 0, 0.8);
}

.market-icon i {
    font-size: 24px;
    margin-bottom: 8px;
    color: #000;
}

.market-icon span {
    font-size: 14px;
    color: #000;
    white-space: nowrap;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .market-icons {
        bottom: 15%;
        gap: 10px;
        padding: 0 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .market-icon {
        padding: 10px 15px;
        margin-bottom: 10px;
    }

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

    .market-icon span {
        font-size: 12px;
    }
}

/* 关于我们模块 */
.about-section {
    background-color: #333;
    padding: 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.about-title {
    color: #fff;
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 500;
}

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

.about-card {
    flex: 0 0 calc(33.333% - 20px);
    max-width: 350px;
}

.card-image {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* 保持1:1的宽高比 */
    border-radius: 15px;
    overflow: hidden;
}

.card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 47, 167, 0.8), rgba(0, 47, 167, 0));
    color: #fff;
    transition: all 0.3s ease;
}
.card-overlay a {
    color: #fff;
    text-decoration: none;
}

.card-overlay h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 500;
}

/* 悬停效果 */
.about-card:hover .card-image img {
    transform: scale(1.05);
}

.about-card:hover .card-overlay {
    background: linear-gradient(to top, rgba(0, 47, 167, 0.9), rgba(0, 47, 167, 0.1));
}

/* 响应式调整 */
@media (max-width: 992px) {
    .about-card {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 60px 0;
    }

    .about-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .about-card {
        flex: 0 0 100%;
        max-width: 300px;
    }
}

/* 资讯模块样式 */
.news-section {
    background-color: #333;
    padding: 80px 0;
}

.news-card {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.news-image {
    display: block;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-title {
    color: #333;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    text-decoration: none;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-title:hover {
    color: #007bff;
}

.news-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    background-color: #ffd700;
    color: #333;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: fit-content;
}

.news-more i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.news-more:hover {
    background-color: #ffed4a;
}

.news-more:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .news-section {
        padding: 60px 0;
    }
    
    .news-card {
        margin-bottom: 30px;
    }
}

@media (max-width: 767px) {
    .news-section {
        padding: 40px 0;
    }
    
    .news-image {
        height: 180px;
    }
    
    .news-title {
        font-size: 16px;
    }
    
    .news-desc {
        font-size: 13px;
    }
}

/* 页脚样式 */
.footer {
    background-color: #222;
    padding: 60px 0 0;
    color: #fff;
}

.footer-logo {
    margin-bottom: 30px;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
}

.footer-nav {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.nav-group {
    margin-bottom: 30px;
}

.nav-group h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 15px;
}

.nav-line {
    width: 40px;
    height: 2px;
    background-color: #ffd700;
    margin-bottom: 15px;
}

.nav-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-group ul li {
    margin-bottom: 10px;
}

.nav-group ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-group ul li a:hover {
    color: #ffd700;
}

.footer-follow h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
}

.qrcode-group {
    display: flex;
    gap: 15px;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.qrcode-item span {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-copyright {
    background-color: #002fa7;
    padding: 15px 0;
    margin-top: 40px;
}

.footer-copyright p {
    margin: 0;
    text-align: center;
    color: #fff;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .footer {
        padding: 40px 0 0;
    }

    .footer-nav {
        justify-content: flex-start;
        gap: 40px;
    }

    .nav-group {
        flex: 0 0 calc(50% - 20px);
    }
}

@media (max-width: 767px) {
    .footer {
        padding: 30px 0 0;
    }

    .footer-logo {
        text-align: center;
        margin-bottom: 20px;
    }

    .footer-nav {
        justify-content: center;
        gap: 30px;
    }

    .nav-group {
        flex: 0 0 100%;
        text-align: center;
    }

    .nav-line {
        margin: 0 auto 15px;
    }

    .footer-follow {
        text-align: center;
    }

    .qrcode-group {
        justify-content: center;
    }
}

.navbar-logo {
    max-width: 180px;
    height: auto;
}

.btn-blue-yellow {
    display: inline-flex;
    align-items: center;
    background: #0056b3;
    color: #fff !important;
    border-radius: 12px;
    border: none;
    padding: 10px 28px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.3s, color 0.3s;
    border-left: 2px solid #ffd700;
    box-sizing: border-box;
    cursor: pointer;
}
.btn-blue-yellow:hover {
    background: #004494;
    color: #ffd700 !important;
}

.product-business-slider {
    position: relative;
}
.product-business-slide {
    display: none;
}
.product-business-slide.active {
    display: block;
}
.product-business-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: none;
    font-size: 28px;
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    color: #002fa7;
    opacity: 0.8;
    transition: background 0.2s, color 0.2s;
}
.product-business-control.prev {
    left: 10px;
}
.product-business-control.next {
    right: 10px;
}
.product-business-control:hover {
    background: #002fa7;
    color: #fff;
    opacity: 1;
}

.product-business-left .banner-button {
    margin-top: 20px;
    background: rgba(255, 255, 0, 0.8);
    width: fit-content;
    border-radius: 10px;
    transition: all 0.3s ease;
    min-width: 120px;
}

.product-business-left .banner-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.product-business-left .button-left {
    color: #000;
    text-decoration: none;
    padding: 12px 32px;
    display: block;
    font-weight: 500;
}

.product-business-left .button-left:hover {
    color: #fff;
}

.product-business-left .button-right span:first-child {
    color: #fff;
}

.product-business-left .button-right span:last-child {
    color: rgba(255, 255, 255, 0.9);
}

.product-business-left .button-left::after {
    background-color: rgba(255, 255, 255, 0.2);
}