/* 应用案例页面样式 */

/* 页面过渡效果 */
body {
    transition: opacity 0.15s ease;
}

/* 页面横幅区域 */
.case-banner {
    width: 100%;
    height: 600px;
    min-height: 300px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.case-banner .banner-image {
    width: 100%;
    height: 110%;
    position: relative;
}

.case-banner .banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 面包屑导航样式 */
.breadcrumb-wrapper {
    width: 100%;
    background: rgba(255, 255, 255, 1);
    padding: 0 0;
    margin-top: 20px;  /* 增添：上边距 */
    margin-bottom: 65px;  /* 增添：下边距 */
}

.breadcrumb {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-icon-img {
    width: 16px;
    height: 16px;
}

.breadcrumb-text {
    font-size: 14px;
    color: #666;
}

.breadcrumb-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-link {
    color: rgba(51, 51, 51, 1);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s ease;
    font-size: 14px;
    font-weight: 400;
    font-family: "OPPOSans", "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.breadcrumb-link:hover {
    color: rgba(8, 110, 114, 1);
}

.breadcrumb-link.active {
    color: rgba(51, 51, 51, 1);
    cursor: default;
}

.breadcrumb-link.active:hover {
    color: rgba(8, 110, 114, 1);
}

.breadcrumb-separator {
    color: #999;
    margin: 0 4px;
}

/* 应用案例内容区域 */
.case-content {
    padding: 0 0 80px;
    background: rgba(255, 255, 255, 1);
}

.case-content .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}


/* 案例筛选 */
.case-filter {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    border: none;
    background: transparent;
    color: rgba(51, 51, 51, 1);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.filter-btn:hover {
    color: rgba(8, 110, 114, 1);
}

.filter-btn.active {
    background: transparent;  /* 修改：删除激活状态的背景色 */
    border-color: transparent;  /* 修改：删除激活状态的边框 */
    color: rgba(8, 110, 114, 1);  /* 可以选择保留激活状态的颜色变化 */
}
/* 案例列表 */
.case-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    width: 100%;
    justify-content: flex-start;
    padding: 0;
    margin-left: 0;
}

.case-card {
    background: #fff;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
    border: none;
    transition: all 0.3s ease;
    cursor: pointer;
    width: 420px;
    height: auto;
    min-height: 325px;
    position: relative;
     margin-bottom: 30px;  /* 添加底部间距 */
}

.case-card-info::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: rgba(171, 171, 171, 1);
    margin-top: 35px;
}

/* 隐藏占位卡片的下划线 */
.case-card-placeholder .case-card-info::after {
    display: none !important;
}

.case-card:hover {
    box-shadow: none;
    transform: none;
}

.case-card:hover .case-card-title,
.case-card:hover .case-card-desc {
    color: rgba(8, 110, 114, 1);
}

.case-card.hidden {
    display: none;
}

/* 案例卡片图片 */
.case-card-image {
    position: relative;
    width: 100%;
    height: auto;
    overflow: visible;
    background: transparent;
}

.case-card-image img {
    width: 85%;
    height: auto;
    object-fit: contain;
    object-position: center;
    transition: transform 0.5s ease;
    transform: scale(1.1);
}

.case-card:hover .case-card-image img {
    transform: scale(1.1);
}

/* 图片懒加载 */
.case-card-image img.lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.case-card-image img.lazy.loaded {
    opacity: 1;
}

/* 案例卡片遮罩 */
.case-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.view-detail-btn {
    padding: 12px 24px;
    background: rgba(8, 110, 114, 1);
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-detail-btn:hover {
    background: rgba(6, 80, 83, 1);
    transform: scale(1.05);
}

/* 案例卡片信息 */
.case-card-info {
    padding: 20px;
    padding-bottom: 28px;
    margin-left: -32px;
}

.case-card-title {
    font-size: 18px;
    font-weight: 700;
    color: rgba(51, 51, 51, 1);
    margin: 0 0 10px;
    padding: 0;
    border: none;
    background: none;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.case-card-location {
    font-size: 14px;
    color:rgba(102, 102, 102, 1);
    margin: 0 0 10px;
    font-weight: 400;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.case-card-desc {
    font-size: 16px;
    line-height: 1.6;
    color: rgba(102, 102, 102, 1);
    font-weight: 400;
    margin: 0;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 占位卡片样式 */
.case-card-placeholder {
    background: transparent;
}

.case-card-placeholder::after {
    display: none;
}

.case-card-placeholder .placeholder-image {
    width: 90%;
    height: 302px;
    background: rgba(245, 245, 245, 1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -13px;
    margin-left: -12px;
}

.case-card-placeholder .placeholder-text {
    font-size: 14px;
    color: rgba(153, 153, 153, 1);
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.case-card-placeholder .placeholder-info {
    background: transparent;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    overflow: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: #fff;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 12px;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 30px;
    color: #999;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 10;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: rgba(8, 110, 114, 1);
}

.modal-body {
    padding: 0;
}

.modal-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-text {
    padding: 30px;
}

.modal-title {
    font-size: 28px;
    font-weight: 400;
    color: rgba(0, 0, 0, 1);
    margin: 0 0 15px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.modal-location {
    font-size: 16px;
    color: rgba(8, 110, 114, 1);
    margin: 0 0 20px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.modal-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(102, 102, 102, 1);
    margin: 0 0 25px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.modal-features h4 {
    font-size: 18px;
    font-weight: 400;
    color: rgba(0, 0, 0, 1);
    margin: 0 0 15px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.modal-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modal-features li {
    font-size: 14px;
    color: rgba(102, 102, 102, 1);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.modal-features li::before {
    content: "•";
    color: rgba(8, 110, 114, 1);
    position: absolute;
    left: 0;
}

/* 滚动渐入动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 案例卡片动画延迟 */
.case-card.fade-in-up:nth-child(1) { transition-delay: 0s; }
.case-card.fade-in-up:nth-child(2) { transition-delay: 0.1s; }
.case-card.fade-in-up:nth-child(3) { transition-delay: 0.2s; }
.case-card.fade-in-up:nth-child(4) { transition-delay: 0.3s; }
.case-card.fade-in-up:nth-child(5) { transition-delay: 0.4s; }
.case-card.fade-in-up:nth-child(6) { transition-delay: 0.5s; }
.case-card.fade-in-up:nth-child(7) { transition-delay: 0.6s; }
.case-card.fade-in-up:nth-child(8) { transition-delay: 0.7s; }
.case-card.fade-in-up:nth-child(9) { transition-delay: 0.8s; }

/* 案例卡片动画延迟 */
.case-card.fade-in-up:nth-child(1) { transition-delay: 0s; }
.case-card.fade-in-up:nth-child(2) { transition-delay: 0.1s; }
.case-card.fade-in-up:nth-child(3) { transition-delay: 0.2s; }
.case-card.fade-in-up:nth-child(4) { transition-delay: 0.3s; }
.case-card.fade-in-up:nth-child(5) { transition-delay: 0.4s; }
.case-card.fade-in-up:nth-child(6) { transition-delay: 0.5s; }
.case-card.fade-in-up:nth-child(7) { transition-delay: 0.6s; }
.case-card.fade-in-up:nth-child(8) { transition-delay: 0.7s; }
.case-card.fade-in-up:nth-child(9) { transition-delay: 0.8s; }

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .case-content .container {
        padding: 0 30px;
    }
    
    .breadcrumb {
        padding: 0 30px;
    }
    
    .case-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .case-banner {
        height: 400px;
    }
    
    .case-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .case-filter {
        gap: 15px;
    }
    
    .filter-btn {
        padding: 10px 22px;
        font-size: 14px;
    }
    
    .modal-image {
        height: 300px;
    }
}

@media screen and (max-width: 768px) {
    .case-content {
        padding: 30px 0 60px;
    }
    
    .case-content .container {
        padding: 0 20px;
    }
    
    .breadcrumb {
        padding: 0 20px;
        flex-wrap: wrap;
    }
    
    .case-list {
        grid-template-columns: 1fr;
    }
    
    .case-card-image {
        height: 200px;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-image {
        height: 250px;
    }
    
    .modal-title {
        font-size: 22px;
    }
}

@media screen and (max-width: 480px) {
    .case-banner {
        height: 300px;
        min-height: 200px;
    }
    
    .breadcrumb-text {
        font-size: 12px;
    }
    
    .breadcrumb-link {
        font-size: 12px;
    }
    
    .case-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .case-card-image {
        height: 180px;
    }
    
    .case-card-title {
        font-size: 16px;
    }
    
    .modal-image {
        height: 200px;
    }
    
    .modal-title {
        font-size: 20px;
    }
    
    .modal-text {
        padding: 20px;
    }
}