/* ========================================
   案例页面样式 - Case Page Styles
   使用 .case-page-wrapper 确保样式不影响其他页面
   ======================================== */

/* 案例页面主体背景 */
.case-page-wrapper .content .case {
    background: #f8f9fa;
    padding: 20px 0 80px;
    margin: 0 -15px;
    padding-left: 15px;
    padding-right: 15px;
}

/* 案例项容器 */
.case-page-wrapper .case-items {
    counter-reset: case-counter;
}

/* 案例卡片样式 */
.case-page-wrapper .case-card {
    display: flex;
    align-items: stretch;
    margin-bottom: 30px;
    padding: 0;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: none;
    position: relative;
    counter-increment: case-counter;
    overflow: hidden;
}

.case-page-wrapper .case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 120, 212, 0.15);
}

/* 案例编号 */
.case-page-wrapper .case-card::before {
    content: counter(case-counter, decimal-leading-zero);
    position: absolute;
    top: 25px;
    right: 35px;
    font-size: 56px;
    font-weight: 800;
    color: rgba(0, 120, 212, 0.06);
    line-height: 1;
    pointer-events: none;
    z-index: 1;
}

/* 案例图片容器 */
.case-page-wrapper .case-card .col-md-5 {
    flex: 0 0 42%;
    max-width: 42%;
    padding: 0;
}

.case-page-wrapper .case-card .overlay-container {
    position: relative;
    width: 100% !important;
    height: 100% !important;
    min-height: 280px;
    border-radius: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf0 100%);
    padding: 0;
    text-align: center !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-page-wrapper .case-card .overlay-container img {
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    min-height: 280px;
    object-fit: cover !important;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.case-page-wrapper .case-card:hover .overlay-container img {
    transform: scale(1.08);
}

/* 悬浮遮罩效果 */
.case-page-wrapper .case-card .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.9) 0%, rgba(0, 205, 205, 0.85) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

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

.case-page-wrapper .case-card .overlay-links {
    display: flex;
    gap: 20px;
}

.case-page-wrapper .case-card .overlay-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    background: #fff;
    border-radius: 50%;
    color: #0078d4;
    font-size: 20px;
    transition: all 0.3s ease;
    transform: translateY(30px);
    opacity: 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.case-page-wrapper .case-card .overlay-container:hover .overlay-links a {
    transform: translateY(0);
    opacity: 1;
}

.case-page-wrapper .case-card .overlay-container:hover .overlay-links a:nth-child(1) {
    transition-delay: 0.1s;
}

.case-page-wrapper .case-card .overlay-container:hover .overlay-links a:nth-child(2) {
    transition-delay: 0.2s;
}

.case-page-wrapper .case-card .overlay-links a:hover {
    background: #0078d4;
    color: #fff;
    transform: scale(1.15) !important;
}

/* 案例内容区域 */
.case-page-wrapper .case-card .col-md-6,
.case-page-wrapper .case-card .case-content {
    flex: 0 0 58%;
    max-width: 58%;
    padding: 40px 45px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-page-wrapper .case-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 18px;
    line-height: 1.4;
}

.case-page-wrapper .case-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #0078d4, #00cdcd);
    border-radius: 2px;
}

.case-page-wrapper .case-card p {
    font-size: 15px;
    line-height: 1.9;
    color: #5a5a6e;
    margin-bottom: 25px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 查看详情按钮 */
.case-page-wrapper .case-card .btn,
.case-page-wrapper .case-card .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #0078d4 0%, #005a9e 100%) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none !important;
    box-shadow: 0 5px 20px rgba(0, 120, 212, 0.3);
    width: fit-content;
}

.case-page-wrapper .case-card .btn:hover,
.case-page-wrapper .case-card .btn-primary:hover {
    background: linear-gradient(135deg, #005a9e 0%, #003d6b 100%) !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 120, 212, 0.4);
}

.case-page-wrapper .case-card .btn::after {
    content: '→';
    font-size: 16px;
    transition: transform 0.3s ease;
}

.case-page-wrapper .case-card .btn:hover::after {
    transform: translateX(5px);
}

/* 加载动画 */
.case-page-wrapper .case #ajax-loader {
    padding: 40px 0;
}

.case-page-wrapper .case #ajax-loader img {
    opacity: 0.6;
}

/* 标题区域样式 */
.case-page-wrapper .case .section-title h2 {
    position: relative;
    display: inline-block;
}

.case-page-wrapper .case .section-title h2::before,
.case-page-wrapper .case .section-title h2::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0078d4);
}

.case-page-wrapper .case .section-title h2::before {
    right: calc(100% + 20px);
    background: linear-gradient(90deg, transparent, #0078d4);
}

.case-page-wrapper .case .section-title h2::after {
    left: calc(100% + 20px);
    background: linear-gradient(90deg, #0078d4, transparent);
}

/* 响应式设计 */
@media (max-width: 991px) {
    .case-page-wrapper .case-card {
        flex-direction: column;
    }
    
    .case-page-wrapper .case-card .col-md-5,
    .case-page-wrapper .case-card .col-md-6,
    .case-page-wrapper .case-card .case-content {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .case-page-wrapper .case-card .overlay-container {
        min-height: 220px;
    }
    
    .case-page-wrapper .case-card .overlay-container img {
        min-height: 220px;
    }
    
    .case-page-wrapper .case-card .col-md-6,
    .case-page-wrapper .case-card .case-content {
        padding: 30px;
        text-align: center;
    }
    
    .case-page-wrapper .case-card h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .case-page-wrapper .case-card .btn {
        margin: 0 auto;
    }
    
    .case-page-wrapper .case-card::before {
        top: auto;
        bottom: 15px;
        right: 20px;
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .case-page-wrapper .content .case {
        padding: 15px 15px 60px;
    }
    
    .case-page-wrapper .case-card {
        margin-bottom: 25px;
        border-radius: 16px;
    }
    
    .case-page-wrapper .case-card h3 {
        font-size: 22px;
    }
    
    .case-page-wrapper .case-card p {
        font-size: 14px;
        -webkit-line-clamp: 3;
    }
    
    .case-page-wrapper .case-card .btn {
        padding: 12px 28px;
        font-size: 13px;
    }
    
    .case-page-wrapper .case-card .col-md-6,
    .case-page-wrapper .case-card .case-content {
        padding: 25px;
    }
}

@media (max-width: 576px) {
    .case-page-wrapper .case-card .overlay-container {
        min-height: 180px;
    }
    
    .case-page-wrapper .case-card .overlay-container img {
        min-height: 180px;
    }
    
    .case-page-wrapper .case-card::before {
        font-size: 32px;
        bottom: 10px;
        right: 15px;
    }
    
    .case-page-wrapper .case-card h3 {
        font-size: 20px;
    }
    
    .case-page-wrapper .case-card .col-md-6,
    .case-page-wrapper .case-card .case-content {
        padding: 20px;
    }
}

/* 页面进入动画 */
.case-page-wrapper .case-card {
    opacity: 0;
    transform: translateY(40px);
    animation: caseCardFadeIn 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.case-page-wrapper .case-card:nth-child(1) { animation-delay: 0.1s; }
.case-page-wrapper .case-card:nth-child(2) { animation-delay: 0.2s; }
.case-page-wrapper .case-card:nth-child(3) { animation-delay: 0.3s; }
.case-page-wrapper .case-card:nth-child(4) { animation-delay: 0.4s; }
.case-page-wrapper .case-card:nth-child(5) { animation-delay: 0.5s; }
.case-page-wrapper .case-card:nth-child(6) { animation-delay: 0.6s; }
.case-page-wrapper .case-card:nth-child(7) { animation-delay: 0.7s; }
.case-page-wrapper .case-card:nth-child(8) { animation-delay: 0.8s; }
.case-page-wrapper .case-card:nth-child(9) { animation-delay: 0.9s; }
.case-page-wrapper .case-card:nth-child(10) { animation-delay: 1.0s; }

@keyframes caseCardFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 空状态提示 */
.case-page-wrapper .case-empty {
    text-align: center;
    padding: 100px 20px;
    color: #999;
}

.case-page-wrapper .case-empty i {
    font-size: 80px;
    margin-bottom: 25px;
    color: #ddd;
}

.case-page-wrapper .case-empty p {
    font-size: 18px;
}