.case_con {
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 0 45px rgba(0, 0, 0, .08);
    padding: 3rem;
}

.case_item {
    visibility: visible;
    animation-delay: 0.1s;
    animation-name: fadeIn;
}

.case_item_img_con {
    max-height: 220px;
    max-width: 100%;
    text-align: center
}

.case_item_img {
    max-height: 210px;
    max-width: 100%;
}

.btn-check:focus + .btn, .btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(101, 181, 48, 0.25);
}

.case_item .btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    color: #FFFFFF;
    background: var(--primary);
    border-radius: 38px;
    white-space: nowrap;
    overflow: hidden;
    transition: .5s;
}
.case_item .btn i{
    margin-right: 20px;

}

.case_item:hover .btn {
    width: 140px;
}

@media (max-width: 768px) {
    .case_con{
        background-color: transparent;
        border-radius: 0;
        box-shadow: none;
        padding: 0;
    }
    .case_item{
        background-color: #fff;
        border-radius: 15px;
        box-shadow: 0 0 45px rgba(0, 0, 0, .08);
        margin-bottom: 30px;
        padding: 20px 10px 25px 10px;
    }
    .case_item .btn{
        width: 140px;
        display: block;
        margin: 0 auto;
    }
}




/*----------------产品-------------------*/
/* 产品展示优化样式 */
.feature-grids {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.feature-grids .product-item {
    padding: 0 15px;
    margin-bottom: 30px;
}

/* 确保产品卡片高度一致 */
.feature-grids .product-item .product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-grids .product-item .product-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feature-grids .product-item .product-actions {
    margin-top: auto;
}

.product-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: #f8f9fa;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: linear-gradient(135deg, rgba(0, 106, 191, 0.95) 0%, rgba(0, 86, 160, 0.95) 100%);*/
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    backdrop-filter: blur(5px);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.product-card:hover .overlay-content {
    transform: translateY(0);
}

.overlay-content .btn {
    margin: 0.25rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 2;
}

.featured-badge .badge {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    background: linear-gradient(135deg, #ffc107 0%, #ff8c00 100%);
    border: none;
    box-shadow: 0 2px 10px rgba(255, 193, 7, 0.3);
}

.product-content {
    padding: 1.75rem;
    background: #fff;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e272e;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    /*height: 2.8rem;*/
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
}

.product-description {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    height: 3rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: #8c9398;
    padding: 0.75rem 0;
    border-top: 1px solid #f1f3f4;
    border-bottom: 1px solid #f1f3f4;
}

.product-category,
.product-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-category i,
.product-date i {
    font-size: 0.8rem;
    color: #006abf;
}

.product-actions {
    text-align: center;
}

.product-actions .btn {
    width: 100%;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: linear-gradient(135deg, #006abf 0%, #005aa0 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 106, 191, 0.3);
}

.product-actions .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 106, 191, 0.4);
    background: linear-gradient(135deg, #005aa0 0%, #004a80 100%);
}

/* 产品筛选按钮 */
.product-filter {
    margin-bottom: 3rem;
}

.product-filter .btn-group {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.product-filter .btn {
    border-radius: 30px;
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid #006abf;
    background: transparent;
    color: #006abf;
    box-shadow: 0 2px 10px rgba(0, 106, 191, 0.1);
}

.product-filter .btn:hover,
.product-filter .btn.active {
    background: linear-gradient(135deg, #006abf 0%, #005aa0 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 106, 191, 0.3);
    border-color: #006abf;
}

/* 产品项动画 */
.product-item {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-item.hidden {
    opacity: 0;
    transform: translateY(30px);
    pointer-events: none;
}


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










/*-----------------订阅-----------------------*/
section.newslett {
    background: linear-gradient(135deg, #006abf 0%, #005aa0 50%, #004a80 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

section.newslett::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0, 106, 191, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 90, 160, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 74, 128, 0.2) 0%, transparent 50%);
}

section.newslett::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.15;
}


/* Subscribe 图标样式 */
.subscribe-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.subscribe-icon:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.subscribe-icon i {
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Subscribe 标题样式 */
.newslett .tittle {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
}

.subscribe-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    text-align: center;
}

/* Subscribe 表单样式 */
.newslett .contact-form {
    position: relative;
    z-index: 2;
}

.subscribe-label {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: block;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.subscribe-label i {
    margin-right: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.subscribe-input {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.subscribe-input:focus {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    outline: none;
}

.subscribe-input::placeholder {
    color: #6c757d;
    opacity: 0.7;
}

/* Subscribe 按钮样式 */
.subscribe-btn {
    background: linear-gradient(135deg, #006abf 0%, #005aa0 100%);
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    text-transform: none;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 106, 191, 0.4);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.subscribe-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.subscribe-btn:hover::before {
    left: 100%;
}

.subscribe-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 106, 191, 0.6);
    background: linear-gradient(135deg, #005aa0 0%, #004a80 100%);
}

.subscribe-btn:active {
    transform: translateY(-1px);
}

.subscribe-btn i {
    font-size: 1.1rem;
}

/* Subscribe 特性列表样式 */
.subscribe-features {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.feature-item {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.feature-item i {
    color: #4CAF50;
    font-size: 1rem;
}



/* 订阅消息样式 */
.subscribe-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    color: #fff;
    font-weight: 600;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
}

.subscribe-message.show {
    transform: translateX(0);
}

.subscribe-message.success {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.subscribe-message.error {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.subscribe-message i {
    font-size: 1.2rem;
}

/* 输入框焦点效果 */
.form-group.focused .subscribe-label {
    color: #ffc107;
    transform: translateY(-2px);
}

.form-group.focused .subscribe-input {
    border-color: #ffc107;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
}


/*--------------------新闻-----------------------------*/
/* 新闻部分美化样式 */
.news-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="news-pattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(0,106,191,0.05)"/><circle cx="80" cy="80" r="1" fill="rgba(0,106,191,0.05)"/><circle cx="50" cy="50" r="0.5" fill="rgba(0,106,191,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23news-pattern)"/></svg>');
    opacity: 0.5;
}

/* 新闻图标样式 */
.news-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #006abf 0%, #005aa0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 25px rgba(0, 106, 191, 0.3);
    transition: all 0.3s ease;
}

.news-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 106, 191, 0.4);
}

.news-icon i {
    font-size: 2.5rem;
    color: #fff;
}

/* 新闻标题样式 */
.news-section .tittle {
    color: #1e272e;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.news-subtitle {
    color: #6c757d;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 新闻网格布局 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* 新闻卡片样式 */
.news-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    height: 100%;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

/* 新闻图片样式 */
.news-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: #f8f9fa;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.news-card:hover .news-image img {
    transform: scale(1.08);
}

/* 新闻覆盖层 */
.news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: linear-gradient(135deg, rgba(0, 106, 191, 0.95) 0%, rgba(0, 86, 160, 0.95) 100%);*/
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    backdrop-filter: blur(5px);
}

.news-card:hover .news-overlay {
    opacity: 1;
}

.news-overlay .overlay-content {
    text-align: center;
    color: white;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.news-card:hover .news-overlay .overlay-content {
    transform: translateY(0);
}

/* 新闻徽章 */
.news-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 2;
}

.news-badge .badge {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    background: linear-gradient(135deg, #ffc107 0%, #ff8c00 100%);
    border: none;
    box-shadow: 0 2px 10px rgba(255, 193, 7, 0.3);
    color: #fff;
    font-weight: 600;
}

/* 新闻内容样式 */
.news-content {
    padding: 1.75rem;
    background: #fff;
    display: flex;
    flex-direction: column;
    height: calc(100% - 250px);
}

/* 新闻元信息 */
.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: #8c9398;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f4;
}

.news-date,
.news-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-date i,
.news-category i {
    font-size: 0.8rem;
    color: #006abf;
}

/* 新闻标题 */
.news-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e272e;
    margin-bottom: 1rem;
    line-height: 1.4;
    height: 2.8rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-title a {
    color: #1e272e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-title a:hover {
    color: #006abf;
}

/* 新闻描述 */
.news-description {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* 新闻操作按钮 */
.news-actions {
    margin-top: auto;
    text-align: center;
}

.news-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #006abf 0%, #005aa0 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 15px rgba(0, 106, 191, 0.3);
}

.news-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 106, 191, 0.4);
    background: linear-gradient(135deg, #005aa0 0%, #004a80 100%);
    color: #fff;
    text-decoration: none;
}

.news-btn i {
    transition: transform 0.3s ease;
}

.news-btn:hover i {
    transform: translateX(3px);
}

/* 首页关于我们部分样式 */
.about-section {
    background: url('../images/aboutbg.jpg');
    position: relative;
    padding: 5rem 0;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}



.about-section .container {
    position: relative;
    z-index: 2;
}

.about-section h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.about-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #f8f8f8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.about-section .img-fluid {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.about-section .img-fluid:hover {
    transform: scale(1.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-section {
        padding: 3rem 0;
        background-attachment: scroll;
    }

    .about-section h3 {
        font-size: 2rem;
    }

    .about-section p {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .about-section {
        padding: 2rem 0;
    }

    .about-section h3 {
        font-size: 1.8rem;
    }
}