.post-detail {
        max-width: 840px;
        margin: 0 auto;
        padding: 30px 0;
    }
    .post-back {
        margin-bottom: 20px;
    }
    .post-back a {
        color: var(--text-secondary);
        font-size: 14px;
        text-decoration: none;
        transition: color 0.2s;
    }
    .post-back a:hover {
        color: var(--cyan);
    }
    .post-detail-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 30px 36px;
        margin-bottom: 30px;
    }
    .post-detail-header {
        margin-bottom: 20px;
    }
    .post-detail-title {
        font-size: 1.6rem;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 14px;
    }
    .post-detail-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 0.85rem;
        color: var(--text-dim);
        flex-wrap: wrap;
    }
    .post-detail-meta .author-info {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .post-detail-meta .author-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--cyan), var(--purple));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 600;
        color: #030712;
    }
    .post-detail-meta .author-name {
        color: var(--text-secondary);
        font-weight: 500;
    }
    .post-category-badge {
        display: inline-block;
        padding: 3px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        white-space: nowrap;
    }
    .cat-0 { background: rgba(0, 240, 255, 0.15); color: var(--cyan); border: 1px solid rgba(0, 240, 255, 0.3); }
    .cat-1 { background: rgba(168, 85, 247, 0.15); color: var(--purple); border: 1px solid rgba(168, 85, 247, 0.3); }
    .cat-2 { background: rgba(236, 72, 153, 0.15); color: var(--magenta); border: 1px solid rgba(236, 72, 153, 0.3); }
    .cat-3 { background: rgba(250, 204, 21, 0.15); color: var(--accent); border: 1px solid rgba(250, 204, 21, 0.3); }
    .post-detail-content {
        color: var(--text);
        line-height: 1.8;
        font-size: 0.95rem;
        white-space: pre-wrap;
        word-wrap: break-word;
        padding: 20px 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        margin: 20px 0;
    }
    .post-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        margin-top: 10px;
    }
    .post-tag {
        padding: 3px 10px;
        border-radius: 999px;
        background: rgba(15, 23, 42, 0.6);
        border: 1px solid var(--border);
        color: var(--text-secondary);
        font-size: 12px;
    }
    .post-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 16px;
    }
    .like-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 20px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        background: rgba(15, 23, 42, 0.5);
        color: var(--text-secondary);
        font-size: 0.9rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.25s;
        user-select: none;
    }
    .like-btn:hover {
        border-color: var(--cyan);
        color: var(--cyan);
    }
    .like-btn.liked {
        background: rgba(0, 240, 255, 0.12);
        border-color: rgba(0, 240, 255, 0.4);
        color: var(--cyan);
        font-weight: 600;
    }
    .like-btn.liked:hover {
        border-color: var(--magenta);
        color: var(--magenta);
    }
    .like-btn .like-icon {
        font-size: 1.1rem;
        transition: transform 0.2s;
    }
    .like-btn:hover .like-icon {
        transform: scale(1.15);
    }
    .like-btn.liked .like-icon {
        transform: scale(1);
    }
    .like-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }
    .like-btn .like-count {
        font-variant-numeric: tabular-nums;
    }
    .post-views {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        color: var(--text-dim);
        font-size: 0.85rem;
    }
    .comments-section {
        margin-top: 30px;
    }
    .comments-header {
        margin-bottom: 20px;
    }
    .comments-header h2 {
        font-size: 1.2rem;
        font-weight: 600;
    }
    .comments-header .count {
        color: var(--cyan);
        font-size: 1rem;
    }
    .comment-form-wrapper {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 20px;
        margin-bottom: 24px;
    }
    .comment-form textarea {
        width: 100%;
        min-height: 80px;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        background: rgba(3, 7, 18, 0.6);
        color: var(--text);
        font-size: 14px;
        resize: vertical;
        font-family: inherit;
    }
    .comment-form textarea:focus {
        outline: none;
        border-color: var(--cyan);
        box-shadow: 0 0 12px var(--cyan-glow);
    }
    .comment-form .emoji-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        margin-top: 8px;
        padding: 8px;
        background: rgba(3, 7, 18, 0.4);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
    }
    .comment-form .emoji-btn {
        font-size: 20px;
        line-height: 1;
        padding: 4px 6px;
        border: none;
        background: transparent;
        cursor: pointer;
        border-radius: 4px;
        transition: transform 0.15s, background 0.15s;
    }
    .comment-form .emoji-btn:hover {
        background: rgba(0, 212, 255, 0.15);
        transform: scale(1.2);
    }
    .comment-form .form-actions {
        display: flex;
        justify-content: flex-end;
        margin-top: 12px;
    }
    .comment-form .btn-submit {
        padding: 8px 24px;
        border-radius: var(--radius-sm);
        border: none;
        background: linear-gradient(135deg, var(--cyan), var(--purple));
        color: #030712;
        font-weight: 600;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.25s;
    }
    .comment-form .btn-submit:hover {
        box-shadow: 0 0 20px var(--cyan-glow);
    }
    .comment-form .btn-submit:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }
    .login-tip {
        text-align: center;
        padding: 20px;
        color: var(--text-secondary);
    }
    .login-tip a {
        color: var(--cyan);
        font-weight: 600;
    }
    .comment-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .comment-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 16px 20px;
    }
    .comment-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
    }
    .comment-header-left {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .comment-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--cyan), var(--purple));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 600;
        color: #030712;
        flex-shrink: 0;
    }
    .comment-author {
        color: var(--text-secondary);
        font-weight: 500;
        font-size: 0.9rem;
    }
    .comment-date {
        color: var(--text-dim);
        font-size: 0.8rem;
    }
    .comment-content {
        color: var(--text);
        font-size: 0.9rem;
        line-height: 1.6;
        padding-left: 42px;
    }
    .comment-msg {
        display: none;
        margin-top: 8px;
        font-size: 0.85rem;
    }
    .comment-msg.show {
        display: block;
    }
    .comment-msg.error {
        color: var(--magenta);
    }
    .comment-msg.success {
        color: #00d4a0;
    }
    @media (max-width: 768px) {
        .related-grid { grid-template-columns: 1fr; }
        .post-detail-card { padding: 20px; }
        .post-detail-title { font-size: 1.3rem; }
    }