/* ===== 模块化卡片布局 ===== */
.note-directory-page {
    background-color: #f5f5f7;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #1d1d1f;
}

/* 双栏容器 */
.directory-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

/* ===== 左侧归档栏 ===== */
.archive-sidebar {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 40px;
    background: #ffffff;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    border: 1px solid #e9ecef;
}

.archive-sidebar h3 {
    font-size: 1.2rem;
    font-weight: 500;
    color: #2e6b2e;
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

.archive-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-sidebar li {
    margin-bottom: 0.75rem;
}

.archive-sidebar a {
    color: #4a5b4a;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.archive-sidebar a:hover {
    color: #2e6b2e;
    font-weight: 500;
}

/* ===== 右侧主内容区 ===== */
.directory-main {
    flex: 1;
    min-width: 0; /* 防止溢出 */
}

.directory-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #d2d2d7;
}

.directory-header h1 {
    font-size: 2.4rem;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0;
}

.home-link {
    color: #6c757d;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.home-link:hover {
    color: #2e6b2e;
}

/* ===== 卡片网格（文章列表） ===== */
.directory-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.directory-content li {
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid #e9ecef;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.directory-content li:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 28px -12px rgba(0,0,0,0.12);
    border-color: #cfdfcf;
}

/* 卡片内部链接 */
.directory-content li a {
    display: block;
    padding: 24px 28px;
    text-decoration: none;
    color: #1d1d1f;
}

.directory-content li a:link,
.directory-content li a:visited {
    color: #1d1d1f;
}

.directory-content li a:hover {
    color: #2e6b2e;
}

/* 标题 */
.directory-content li a strong {
    font-size: 1.35rem;
    font-weight: 500;
    display: block;
    margin-bottom: 10px;
    color: #1d1d1f;
}

/* 描述/摘要 */
.directory-content li .desc {
    font-size: 0.9rem;
    color: #6c757d;
    line-height: 1.45;
    margin-top: 8px;
    display: block;
}

/* 日期 */
.directory-content li time {
    font-size: 0.75rem;
    color: #8f9c8f;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 8px;
}

/* ===== 页脚 ===== */
.directory-footer {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    text-align: center;
    color: #8a9b8a;
    font-size: 0.8rem;
    border-top: 1px solid #e2e6e2;
}

/* 响应式 */
@media (max-width: 768px) {
    .directory-container {
        flex-direction: column;
        padding: 24px 16px;
        gap: 24px;
    }

    .archive-sidebar {
        width: 100%;
        position: static;
    }

    .directory-header {
        flex-direction: column;
        gap: 12px;
    }

    .directory-content li a {
        padding: 18px 20px;
    }

    .directory-content li a strong {
        font-size: 1.2rem;
    }
}


/* ===== oasis 专用卡片样式（带图片） ===== */

/* 卡片容器（flex 布局，左图右文） */
.card-item {
    display: flex;
    gap: 20px;
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid #e9ecef;
    padding: 16px;
    margin-bottom: 24px;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 28px -12px rgba(0,0,0,0.12);
    border-color: #cfdfcf;
}

/* 左侧图片 */
.card-img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 16px;
    flex-shrink: 0;
    background-color: #f0f2f0;
}

/* 右侧内容区 */
.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-content a {
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    color: #1d1d1f;
    margin-bottom: 6px;
    display: inline-block;
}

.card-content a:hover {
    color: #2e6b2e;
}

.card-content .desc {
    font-size: 0.9rem;
    color: #5a6e5a;
    line-height: 1.4;
    margin: 6px 0;
}

.card-content time {
    font-size: 0.7rem;
    color: #8f9c8f;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* 响应式：小屏幕时图片在上 */
@media (max-width: 600px) {
    .card-item {
        flex-direction: column;
    }
    .card-img {
        width: 100%;
        height: 180px;
    }
}