/* BLOG 页面样式 */

.blog-banner {
    padding: 5rem 0 4rem;
    /* 与首页大图横幅区分：BLOG 顶栏无背景图 */
    background: var(--color-gray-10);
    min-height: 0;
}

.blog-section {
    background: var(--color-white);
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blog-card {
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-gray-20);
    transition: border-color 0.2s;
}

.blog-list > .blog-card-link:first-child .blog-card {
    border-top: none;
    padding-top: 0;
}

.blog-card-link:hover .blog-card {
    border-top-color: var(--color-primary);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-gray-50);
}

.blog-tag {
    padding: 0.2rem 0.5rem;
    background: var(--color-gray-10);
    color: var(--color-primary);
    font-weight: 500;
}

.blog-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-100);
    margin-bottom: 0.5rem;
}

.blog-excerpt {
    font-size: 0.9375rem;
    color: var(--color-gray-70);
    line-height: 1.6;
}

/* 当前页 BLOG 菜单高亮（不改变字重，避免导航栏因「BLOG」变粗而产生位移） */
.nav-link-active {
    color: var(--color-primary) !important;
}

/* 博客卡片链接 - 整卡可点击 */
.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.blog-card-link:hover .blog-title {
    color: var(--color-primary);
}

/* 博客详情页 */
.blog-detail {
    padding: 5rem 0 4rem;
    margin-top: 3rem;
    background: var(--color-white);
}

.blog-back {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--color-gray-70);
    text-decoration: none;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

.blog-back:hover {
    color: var(--color-primary);
}

.blog-detail-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-20);
}

.blog-detail-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-gray-100);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.blog-detail-body {
    max-width: 720px;
    font-size: 1rem;
    line-height: 1.8;
}

.blog-detail-body p {
    margin-bottom: 1rem;
    color: var(--color-gray-100);
}

.blog-detail-body h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-100);
    margin: 2rem 0 0.75rem;
}

.blog-detail-body ul {
    margin: 1rem 0 1.5rem;
    padding-left: 1.5rem;
}

.blog-detail-body li {
    margin-bottom: 0.5rem;
    color: var(--color-gray-100);
}