/* =========================
   页面标题样式
========================= */
.page-header {
    background: #666 url('../images/n-banner6.jpg') center/cover no-repeat;
    padding: calc(5rem + 3vw) 5% calc(2.5rem + 1vw);
    min-height: 28.125rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
}

.page-header-inner {
    max-width: 100rem;
    margin: 0 auto;
    width: 100%;
}

.page-header-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 0.625rem 0;
    letter-spacing: 0.125rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.5rem 0;
}

.page-header-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* =========================
   新闻分类标签样式
========================= */
.news-tabs {
    background: #fff;
    border-bottom: 0.0625rem solid #eee;
}

.news-tabs-inner {
    max-width: 100rem;
    margin: 0 auto;
    display: flex;
    padding: 0 5%;
    position: relative;
}

.tab-item {
    padding: 1.5625rem 2.5rem;
    font-size: 1rem;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
    position: relative;
}
a{
    color: #666;
}
.tab-item.active a{
    color: #005AAA;
    font-weight: 500;
}
.tab-item:hover {
    color: #005AAA;
}

.tab-item.active {
    color: #005AAA;
    font-weight: 500;
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 0.1875rem;
    background: #005AAA;
}

/* =========================
   新闻列表区域样式
========================= */
.news-list {
    padding: 5rem 5%;
    background: #f5f7fa;
}

.news-list-inner {
    max-width: 100rem;
    margin: 0 auto;
    padding: 0 1.25rem;
    box-sizing: border-box;
    transition: opacity 0.2s ease;
}

.news-list-inner.is-loading {
    opacity: 0.88;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.875rem;
    margin-bottom: 1.875rem;
}

.news-card {
    background: #fff;
    border-radius: 0.5rem;
    padding: 2.5rem 1.875rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: none;
    cursor: pointer;
    min-height: 31.25rem;
    border: 0.0625rem solid #eee;
    transition-delay: 0.15s;
    flex-direction: column;
    justify-content: flex-start;
    transform: translateY(0);
}

.news-card.show {
    display: flex;
}

.news-card:hover {
    box-shadow: 0 0.9375rem 2.5rem rgba(0, 90, 170, 0.1);
    transform: translateY(-0.375rem);
    border-color: #005AAA;
}

.news-date {
    font-size: 0.875rem;
    color: #005AAA;
    margin-bottom: 1rem;
    display: block;
}

.news-card-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: #333;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    transition: color 0.3s ease;
    min-height: 5rem;
}

.news-card:hover .news-card-title {
    color: #005AAA;
}

.news-img {
    width: 100%;
    height: 15.625rem;
    border-radius: 0.25rem;
    overflow: hidden;
    margin-top: auto;
    margin-bottom: 5rem;
    background: #f5f5f5;
    object-fit: cover;
    flex-shrink: 0;
    transition: transform 0.4s ease;
}

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

.news-action-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    bottom: 2.5rem;
    left: 1.875rem;
    background: transparent;
    cursor: pointer;
    margin-top: auto;
}

.news-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 0.0625rem solid #888;
    box-sizing: border-box;
    z-index: 1;
    transition: border-color 0.3s ease;
}

.news-action-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-sizing: border-box;
    z-index: 2;
    border: 0.0625rem solid transparent;
    border-right-color: #888;
    transform: rotate(0deg);
    transition: all 0.6s ease-in-out;
}

.news-card:hover .news-action-btn::after {
    transform: rotate(-360deg);
    border-color: #005AAA;
}

.news-card:hover .news-action-btn::before {
    border-color: #005AAA;
}

.news-action-btn .arrow {
    width: 0.5rem;
    height: 0.5rem;
    border-right: 0.0625rem solid #888;
    border-bottom: 0.0625rem solid #888;
    transform: rotate(-45deg) translate(-0.03125rem, 0);
    position: relative;
    z-index: 3;
    transition: border-color 0.3s ease;
}

.news-card:hover .news-action-btn .arrow {
    border-right-color: #005AAA;
    border-bottom-color: #005AAA;
}

/* =========================
   查看更多按钮样式
========================= */
.news-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    grid-column: 1 / 3;
}

.page-btn {
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    color: #666;
    border: 0.0625rem solid #ddd;
    border-radius: 0.25rem;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    border-color: #005AAA;
    color: #005AAA;
}

.page-btn.active {
    background: #005AAA;
    color: #fff;
    border-color: #005AAA;
}

.page-arrow {
    color: transparent;
    border-color: #ccc;
    border-width: 1px;
    position: relative;
}

.page-arrow::before {
    content: '';
    position: absolute;
    width: 0.4375rem;
    height: 0.4375rem;
    border-left: 1px solid #999;
    border-bottom: 1px solid #999;
    transform: rotate(45deg);
    transition: all 0.3s ease;
}

#prev-page::before {
    transform: rotate(45deg);
    left: 0.9375rem;
}

#next-page::before {
    transform: rotate(-135deg);
    right: 0.9375rem;
}

.page-arrow:hover {
    background: transparent;
    border-color: #005AAA;
}

.page-arrow:hover::before {
    border-color: #005AAA;
}

/* =========================
   响应式样式
========================= */
@media (max-width: 75rem) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-pagination {
        grid-column: span 2;
    }
}

@media (max-width: 48rem) {
    .news-tabs-inner {
        flex-wrap: wrap;
    }
    
    .tab-item {
        padding: 1rem 1.5625rem;
        font-size: 0.875rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-pagination {
        grid-column: 1;
    }

    .news-card {
        min-height: auto !important;
        padding: 1.5625rem 0.9375rem !important;
    }

    .news-img {
        height: 11.25rem !important;
        margin-bottom: 3.75rem !important;
    }

    .news-card-title {
        font-size: 1rem !important;
    }
}