/* 期刊目录页面样式 */

/* 年份标题样式 - 使用直角梯形效果 */
.year-heading {
    color: #212529;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #e6f1e8;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.05);
}

.year-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 80px;
    height: 2px;
    background-color: #4CAF47;
}

/* 期刊卷期列表样式 */
.issue-list {
    margin-bottom: 2.5rem;
}

.issue-group {
    margin-bottom: 1.5rem;
}

/* 期刊分组标题 */
.issue-group-title {
    font-weight: 600;
    color: #4CAF47;
    margin-bottom: 1.25rem;
    padding: 0.5rem 1rem;
    border-left: 3px solid #4CAF47;
    background-color: #f8f9fa;
    border-radius: 0 0.375rem 0.375rem 0;
}

/* 期刊链接样式 - 允许文字换行显示完整内容 */
.issue-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    background-color: #f8f9fa;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    text-decoration: none;
    color: #212529;
    border: 1px solid #e9ecef;
    word-break: break-word;
    height: auto;
    min-height: 60px;
}

.issue-link span {
    word-break: break-word;
    line-height: 1.4;
    display: flex;
    align-items: center;
    min-height: 40px;
}

.issue-link:hover {
    background-color: #e6f1e8;
    border-color: #d7ede4;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    color: #4CAF47;
}

/* 期刊图标样式 */
.issue-icon {
    color: #4CAF47;
    margin-right: 0.75rem;
    font-size: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* 分隔线样式 */
.year-divider {
    height: 1px;
    background-color: #e9ecef;
    margin: 2rem 0;
}

/* 折叠/展开图标 */
.collapse-icon {
    transition: transform 0.3s ease;
    font-size: 1.25rem;
    color: #4CAF47;
}

.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

/* 年份标记 - 直角梯形反色效果 */
.year-badge {
    background-color: #4CAF47;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    padding: 0.5rem 2rem 0.5rem 1.25rem;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
    margin-right: 1.5rem;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
}

/* 期刊子标题 */
.issue-subtitle {
    color: #4CAF47;
    font-weight: 600;
    border-left: 3px solid #4CAF47;
    padding-left: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* 卡片容器样式优化 */
.issue-card-container {
    padding: 0 0.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .issue-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9375rem;
    }
    
    .year-heading {
        font-size: 1.5rem;
    }
    
    .year-badge {
        font-size: 1.25rem;
        padding: 0.4rem 1.5rem 0.4rem 1rem;
    }
}