/* =========================================================
   博客列表 / 详情
   ========================================================= */

:root {
    --blog-orange: var(--color-primary);
    --blog-orange-deep: var(--color-primary-hover);
    --blog-orange-soft: var(--color-primary-soft);
    --blog-blue: var(--color-primary);
    --blog-ink: var(--color-ink);
    --blog-muted: var(--color-muted);
    --blog-line: var(--color-line);
    --blog-page: var(--color-page);
    --blog-surface: var(--color-surface);
    --blog-radius: var(--radius-lg);
    --blog-radius-sm: var(--radius-md);
    --blog-shadow: var(--shadow-card);
    --blog-shadow-hover: var(--shadow-card-hover);
    --blog-font: var(--font-sans);
    --blog-display: var(--font-sans);
}

.blog-page {
    font-family: var(--blog-font);
    color: var(--blog-ink);
    background: var(--blog-page);
    min-height: calc(100vh - var(--site-header-h, 64px));
    padding-bottom: 56px;
    -webkit-font-smoothing: antialiased;
}

.blog-page a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
}

.blog-screen {
    width: 100%;
    max-width: none;
    margin: 0;
    padding-top: 0;
}

.blog-hero {
    margin-bottom: 0;
}

.blog-body {
    padding-top: 0;
}

.blog-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin: 20px 0 24px;
    padding: 0;
    background: transparent;
}

.blog-filter-sep {
    width: 1px;
    height: 16px;
    background: var(--blog-line);
    margin: 0 4px;
    align-self: center;
}

.blog-head-copy h1 {
    margin: 0 0 8px;
    font-family: var(--blog-display);
    font-size: var(--fs-h1);
    font-weight: 700;
    letter-spacing: 0;
    line-height: var(--lh-h1);
    color: var(--blog-ink);
}

.blog-head-copy p {
    margin: 0;
    color: var(--blog-muted);
    font-size: var(--fs-aux);
    line-height: var(--lh-aux);
}

/* ---------- Toolbar ---------- */
.blog-toolbar {
    display: none;
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.blog-filter {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-title);
    line-height: var(--lh-title);
    color: var(--blog-muted);
    background: transparent;
    transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

.blog-filter:hover {
    color: var(--blog-ink);
    background: var(--color-primary-soft);
}

.blog-filter.is-active {
    color: var(--color-primary);
    background: transparent;
    box-shadow: none;
    font-weight: 600;
}

.blog-filter.is-active::after {
    display: none;
}

.blog-filter.is-soft {
    color: var(--blog-ink);
}

.blog-filter-sep {
    width: 1px;
    height: 16px;
    margin: 0 4px;
    background: var(--blog-line);
}

.blog-write {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: var(--fs-aux);
    font-weight: 600;
    color: #fff !important;
    background: var(--color-primary);
    box-shadow: none;
    transition: background-color var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.blog-write:hover {
    transform: none;
    background: var(--color-primary-hover);
    box-shadow: none;
    color: #fff !important;
}

.blog-write:active {
    opacity: 0.9;
}

/* ---------- Layout ---------- */
.blog-layout,
.blog-detail-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--layout-gap-x);
    align-items: start;
}

.blog-main,
.blog-detail,
.blog-side {
    min-width: 0;
}

/* ---------- Card grid ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--list-gap);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--blog-surface);
    border: 1px solid var(--blog-line);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    overflow: hidden;
    min-height: 100%;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--blog-shadow-hover);
}
.blog-card:nth-child(3) { animation-delay: 0.1s; }
.blog-card:nth-child(4) { animation-delay: 0.15s; }
.blog-card:nth-child(5) { animation-delay: 0.2s; }
.blog-card:nth-child(6) { animation-delay: 0.25s; }
.blog-card:nth-child(7) { animation-delay: 0.3s; }
.blog-card:nth-child(8) { animation-delay: 0.35s; }
.blog-card:nth-child(9) { animation-delay: 0.4s; }

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--blog-shadow-hover);
}

.blog-card-cover {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--blog-orange-soft);
}

.blog-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.blog-card:hover .blog-card-cover img {
    transform: scale(1.04);
}

.blog-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 16px 16px 14px;
    gap: 10px;
}

.blog-card-title {
    margin: 0;
    font-family: var(--blog-display);
    font-size: 1.02rem;
    font-weight: 650;
    line-height: 1.4;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-title a:hover {
    color: var(--blog-orange-deep);
}

.blog-card-excerpt {
    margin: 0;
    color: var(--blog-muted);
    font-size: 13px;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.blog-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    padding-top: 4px;
    color: var(--blog-muted);
    font-size: 12px;
}

.blog-card-author a:hover {
    color: var(--blog-orange);
}

.blog-card-stat,
.blog-card-stats {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.blog-card-stat,
.blog-card-stats span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.blog-card-foot-rich {
    align-items: flex-end;
}

.blog-card-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.blog-card-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--blog-orange-soft);
}

.blog-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-avatar.is-empty {
    background: linear-gradient(145deg, #FFD7A8, var(--blog-orange));
}

.blog-card-name {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--blog-ink);
    line-height: 1.3;
}

.blog-card-profile p {
    margin: 2px 0 0;
    font-size: 11px;
    color: var(--blog-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 9em;
}

/* ---------- Sidebar ---------- */
.blog-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: blogRise 0.55s ease 0.12s both;
}

.blog-side-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    background: #fff;
    border: 1px solid var(--blog-line);
    border-radius: var(--radius-md);
    box-shadow: var(--blog-shadow);
    color: var(--blog-muted);
}

.blog-side-search input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    font: inherit;
    font-size: 13px;
    color: var(--blog-ink);
    min-width: 0;
}

.blog-side-block {
    padding: 18px;
    background: var(--blog-surface);
    border: 1px solid var(--blog-line);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
}

.blog-side-block h3 {
    margin: 0 0 14px;
    font-family: var(--blog-display);
    font-size: 15px;
    font-weight: 650;
}

.blog-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.blog-column-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    border-radius: var(--blog-radius-sm);
    background: #FAFAF8;
    min-width: 0;
}

.blog-column-card:hover {
    transform: translateY(-2px);
}

.blog-column-card.is-warm .blog-column-cover { background: linear-gradient(145deg, #FFE0B8, #FFB347); }
.blog-column-card.is-cool .blog-column-cover { background: linear-gradient(145deg, #D6ECFF, #7EB8F0); }
.blog-column-card.is-mint .blog-column-cover { background: linear-gradient(145deg, #D8F5E8, #7ED0A7); }
.blog-column-card.is-sand .blog-column-cover { background: linear-gradient(145deg, #F3E6D4, #E0C4A0); }

.blog-column-cover {
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
}

.blog-column-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-column-card strong {
    font-size: 13px;
    font-weight: 650;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blog-column-card span {
    font-size: 11px;
    color: var(--blog-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blog-side-split {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.blog-chip-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blog-chip-list.is-tags {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
}

.blog-chip-list a {
    display: block;
    padding: 8px 10px;
    border-radius: 10px;
    background: #F7F6F4;
    font-size: 12px;
    color: var(--blog-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.blog-chip-list.is-tags a {
    display: inline-block;
    width: auto;
    max-width: 100%;
    padding: 6px 12px;
    border-radius: 999px;
}

.blog-chip-list a:hover {
    background: var(--blog-orange-soft);
    color: var(--blog-orange-deep);
}

/* ---------- Empty / pager ---------- */
.blog-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 64px 24px;
    text-align: center;
    color: var(--blog-muted);
    background: rgba(255, 255, 255, 0.75);
    border: 1px dashed var(--blog-line);
    border-radius: var(--blog-radius);
}

.blog-empty strong {
    color: var(--blog-ink);
    font-size: 16px;
}

.blog-empty p {
    margin: 0 0 8px;
    font-size: 13px;
}

.blog-pager {
    margin-top: 28px;
    text-align: center;
}

.blog-pager .pagination {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
}

.blog-pager .pagination > li > a,
.blog-pager .pagination > li > span {
    border-radius: 10px !important;
    border-color: var(--blog-line);
    color: var(--blog-ink);
}

.blog-pager .pagination > .active > a,
.blog-pager .pagination > .active > span {
    background: var(--blog-orange);
    border-color: var(--blog-orange);
}

/* ---------- Profile / column list ---------- */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: var(--list-gap, 16px);
}

.blog-item {
    display: flex;
    gap: 18px;
    align-items: stretch;
    padding: 16px;
    background: var(--blog-surface);
    border: 1px solid var(--blog-line);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    overflow: hidden;
    min-width: 0;
}

.blog-item-cover {
    display: block;
    flex: 0 0 168px;
    width: 168px;
    max-width: 40%;
    aspect-ratio: 16 / 10;
    border-radius: var(--blog-radius-sm);
    overflow: hidden;
    background: var(--blog-orange-soft);
    align-self: flex-start;
}

.blog-item-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blog-item-title {
    margin: 0;
    font-family: var(--blog-display);
    font-size: 1.05rem;
    font-weight: 650;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.blog-item-title a:hover {
    color: var(--blog-orange-deep);
}

.blog-item-desc {
    margin: 0;
    color: var(--blog-muted);
    font-size: 13px;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-item .blog-item-meta {
    margin-bottom: 0;
}

.blog-item .blog-tags {
    margin-top: auto;
    padding-top: 4px;
}

@media (max-width: 640px) {
    .blog-item {
        flex-direction: column;
        gap: 12px;
    }

    .blog-item-cover {
        flex: none;
        width: 100%;
        max-width: none;
    }
}

/* ---------- Detail (保留并统一) ---------- */
.blog-detail-page {
    padding-top: 32px;
}

.blog-detail-page .blog-screen,
.blog-detail-page > .container {
    width: min(100% - 32px, 1100px);
    margin: 0 auto;
}

.blog-detail {
    padding: 32px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--blog-line);
    border-radius: 20px;
    box-shadow: var(--blog-shadow);
    animation: blogRise 0.5s ease both;
}

.blog-item-meta,
.blog-detail-header .blog-item-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--blog-muted);
    font-size: 13px;
}

.blog-item-meta a {
    color: var(--blog-orange-deep);
}

.blog-detail-title {
    margin: 0 0 14px;
    font-family: var(--blog-display);
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.blog-detail-desc {
    margin: 0;
    color: var(--blog-muted);
    line-height: 1.7;
    font-size: 14px;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.blog-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--blog-orange-soft);
    color: var(--blog-orange-deep);
    font-size: 12px;
}

.blog-detail-cover {
    margin: 24px 0;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 21 / 9;
    background: var(--blog-orange-soft);
}

.blog-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-detail-content {
    font-size: 16px;
    line-height: 1.85;
    color: #2a2826;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.blog-detail-content img,
.blog-detail-content video,
.blog-detail-content iframe {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.blog-detail-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}

.blog-detail-content pre,
.blog-detail-content code {
    max-width: 100%;
    white-space: pre-wrap;
    word-break: break-word;
}

.blog-detail-content p {
    margin: 0 0 1.1em;
}

.blog-detail-content h2,
.blog-detail-content h3 {
    margin: 1.6em 0 0.7em;
    font-family: var(--blog-display);
}

.blog-adjacent {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--blog-line);
}

.blog-adjacent-item span {
    display: block;
    margin-bottom: 6px;
    color: var(--blog-muted);
    font-size: 12px;
}

.blog-adjacent-item a,
.blog-adjacent-item em {
    color: var(--blog-ink);
    font-style: normal;
    line-height: 1.5;
}

.blog-adjacent-item a:hover {
    color: var(--blog-orange);
}

.blog-adjacent-item.is-next {
    text-align: right;
}

.blog-back {
    display: inline-block;
    margin-top: 8px;
    color: var(--blog-orange-deep);
}

.blog-side-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.blog-side-list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--blog-line);
}

.blog-side-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.blog-side-list a:hover {
    color: var(--blog-orange);
}

.blog-side-list span {
    display: block;
    margin-top: 4px;
    color: var(--blog-muted);
    font-size: 12px;
}

.blog-card-title,
.blog-card-excerpt,
.blog-detail-title,
.blog-detail-desc,
.blog-side-list a {
    overflow-wrap: anywhere;
    word-break: break-word;
}

@keyframes blogRise {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .blog-layout,
    .blog-detail-wrap {
        grid-template-columns: 1fr;
    }

    .blog-page:not(.blog-detail-page) .blog-side {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .blog-screen {
        width: min(100% - 24px, 1240px);
        padding-top: 20px;
    }

    .blog-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .blog-write {
        justify-content: center;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-detail {
        padding: 22px 16px;
    }

    .blog-adjacent {
        grid-template-columns: 1fr;
    }

    .blog-adjacent-item.is-next {
        text-align: left;
    }
}