/* ================================================================
   case.css  锐途科技 - 工程案例页面专用样式
   依赖：common.css（提供 CSS 变量、body、导航栏、新闻中心、底部、动画）
   ================================================================ */

/* ========== 工程案例页 - 新闻中心背景 ========== */
.case-list-section ~ .news-section { background: #f5f5f5; }
.case-list-section ~ .news-section .news-tabs .tab-item {
    border: 1px solid #d6d6d6;
}

/* ========== Banner（单张图片） ========== */
.page-banner {
    position: relative;
    overflow: hidden;
    width: 100%;
}
.page-banner img {
    width: 100%;
    display: block;
    height: 410px;
    object-fit: cover;
}

/* ========== 位置信息（面包屑） ========== */
.breadcrumb-bar {
    background: #f5f5f5;
    border-bottom: 1px solid #e8e8e8;
}
.breadcrumb-bar .container {
    max-width: 1440px;
    padding: 15px 15px;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}
.breadcrumb-nav a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}
.breadcrumb-nav a:hover { color: #c30d23; }
.breadcrumb-nav .separator { color: #ccc; }
.breadcrumb-nav .current { color: #c30d23; }

/* ========== 工程案例列表 ========== */
.case-list-section {
    background: #fff;
    padding: 50px 0 80px;
}
.case-list-section .container { max-width: 1440px; }
.case-list-title {
    text-align: center;
    margin-bottom: 15px;
}
.case-list-title h2 { font-size: 36px; font-weight: bold; margin-bottom: 10px; }
.case-list-title h2 .accent { color: #c30d23; }
.case-list-title h2 .normal { color: #333; }
.case-list-title .slogan { font-size: 15px; color: #999; }

.case-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.case-card {
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
    border: 1px solid #eee;
}
.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #ddd;
}
.case-card .case-card-img {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 566 / 360;
}
.case-card .case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.case-card:hover .case-card-img img { transform: scale(1.06); }
.case-card .case-card-info {
    padding: 20px 22px;
    text-align: left;
}
.case-card .case-card-info h5 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 0 0 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.3s;
}
.case-card:hover .case-card-info h5 { color: #c30d23; }
.case-card .case-card-info p {
    font-size: 13px;
    color: #999;
    line-height: 1.8;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 分页 ========== */
.pagination-bar {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}
.pagination-list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
}
.pagination-list li a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #ddd;
    background: #fff;
    color: #666;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}
.pagination-list li a:hover {
    border-color: #c30d23;
    color: #c30d23;
}
.pagination-list li.active a {
    background: #c30d23;
    border-color: #c30d23;
    color: #fff;
}
.pagination-list li.disabled a {
    color: #ccc;
    cursor: not-allowed;
    background: #f9f9f9;
}
.pagination-list li.disabled a:hover {
    border-color: #ddd;
    color: #ccc;
}

/* ========== 响应式 ========== */
@media (max-width: 991px) {
    .case-list-grid { grid-template-columns: repeat(2, 1fr); }
    .page-banner img { aspect-ratio: 1920 / 400; }
}
@media (max-width: 767px) {
    .case-list-grid { grid-template-columns: 1fr; }
    .case-list-title h2 { font-size: 28px; }
    .page-banner img { aspect-ratio: 1920 / 300; }
    .breadcrumb-nav { font-size: 13px; }
}