/* =============================================
   卖家交流圈 - 问答社区样式
   ============================================= */

/* ── Hero ─────────────────────────────────── */
.comm-hero {
    background: linear-gradient(135deg, var(--hero-indigo-from) 0%, var(--hero-indigo-to) 100%);
    padding: 2.5rem 1.5rem 2rem;
    text-align: center;
    color: #fff;
}
.comm-hero-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 0 .4rem;
    letter-spacing: -.01em;
}
.comm-hero-title i { margin-right: .4rem; opacity: .9; }
.comm-hero-desc {
    font-size: .95rem;
    opacity: .85;
    margin: 0;
}

/* ── 筛选栏 ───────────────────────────────── */
.comm-filter {
    background: #fff;
    border-bottom: 1px solid #e8edf3;
    padding: .75rem 1.5rem;
    display: flex;
    gap: 1.2rem;
    align-items: center;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.comm-filter-label {
    font-size: .8rem;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
}
.comm-filter-chips {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    align-items: center;
}
.comm-chip {
    display: inline-flex;
    align-items: center;
    padding: .28rem .75rem;
    border-radius: 9999px;
    font-size: .8rem;
    font-weight: 500;
    border: 1.5px solid #e2e8f0;
    color: #64748b;
    background: #f8fafc;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    white-space: nowrap;
}
.comm-chip:hover {
    border-color: #a78bfa;
    color: #7c3aed;
    background: #f5f3ff;
}
.comm-chip.active {
    background: linear-gradient(135deg, var(--hero-indigo-from), var(--hero-indigo-to));
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}
.comm-filter-sep {
    width: 1px;
    height: 20px;
    background: #e2e8f0;
    flex-shrink: 0;
}

/* ── 布局 ─────────────────────────────────── */
.comm-layout {
    max-width: 1060px;
    margin: 1.5rem auto;
    padding: 0 1.25rem;
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 768px) {
    .comm-layout { grid-template-columns: 1fr; }
    .comm-sidebar { display: none; }
}

/* ── 问题卡片 ─────────────────────────────── */
.comm-list { display: flex; flex-direction: column; gap: .75rem; }

.comm-card {
    background: #fff;
    border-radius: .75rem;
    border: 1px solid #e8edf3;
    padding: 1.1rem 1.25rem;
    display: block;
    text-decoration: none;
    color: inherit;
    transition: border-color .18s, box-shadow .18s;
}
.comm-card:hover {
    border-color: #a78bfa;
    box-shadow: 0 4px 16px rgba(102,126,234,.12);
    color: inherit;
}
.comm-card-top {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    margin-bottom: .55rem;
}
.comm-card-badges {
    display: flex;
    gap: .35rem;
    flex-shrink: 0;
    padding-top: .1rem;
}
.comm-badge {
    display: inline-flex;
    align-items: center;
    gap: .2rem;
    padding: .18rem .55rem;
    border-radius: 9999px;
    font-size: .7rem;
    font-weight: 700;
    white-space: nowrap;
}
.comm-badge--pin   { background: #fef3c7; color: #b45309; }
.comm-badge--done  { background: #dcfce7; color: #166534; }
.comm-badge--taobao { background: #fff1f2; color: #e11d48; }
.comm-badge--jd     { background: #fef3c7; color: #b45309; }
.comm-badge--pdd    { background: #fdf4ff; color: #a21caf; }
.comm-badge--douyin { background: #f0fdf4; color: #16a34a; }
.comm-badge--all    { background: #f1f5f9; color: #64748b; }

.comm-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    margin: 0;
}
.comm-card:hover .comm-card-title { color: #6d28d9; }

.comm-card-excerpt {
    font-size: .85rem;
    color: #64748b;
    margin: 0 0 .65rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comm-card-footer {
    display: flex;
    align-items: center;
    gap: .9rem;
    flex-wrap: wrap;
}
.comm-card-tags {
    display: flex;
    gap: .3rem;
    flex-wrap: wrap;
    flex: 1;
}
.comm-tag {
    display: inline-block;
    padding: .15rem .5rem;
    background: #f1f5f9;
    color: #475569;
    border-radius: 4px;
    font-size: .72rem;
    font-weight: 500;
}
.comm-card-meta {
    display: flex;
    gap: .75rem;
    align-items: center;
    color: #94a3b8;
    font-size: .78rem;
    white-space: nowrap;
}
.comm-card-meta i { margin-right: .2rem; }
.comm-meta-author { color: #64748b; font-weight: 500; }

/* ── 空状态 ───────────────────────────────── */
.comm-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: #94a3b8;
}
.comm-empty i { font-size: 2.5rem; display: block; margin-bottom: .75rem; }

/* ── 分页 ─────────────────────────────────── */
.comm-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .4rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.comm-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 .6rem;
    border-radius: .4rem;
    font-size: .85rem;
    font-weight: 500;
    color: #475569;
    background: #fff;
    border: 1px solid #e2e8f0;
    text-decoration: none;
    transition: all .15s;
}
.comm-page-btn:hover { border-color: #a78bfa; color: #7c3aed; background: #f5f3ff; }
.comm-page-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: transparent;
    font-weight: 700;
}

/* ── 侧边栏 ───────────────────────────────── */
.comm-sidebar-card {
    background: #fff;
    border-radius: .75rem;
    border: 1px solid #e8edf3;
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
}
.comm-sidebar-title {
    font-size: .8rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin: 0 0 .75rem;
}
.comm-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}
.comm-sidebar-tag {
    display: inline-block;
    padding: .2rem .6rem;
    background: #f1f5f9;
    color: #475569;
    border-radius: 4px;
    font-size: .78rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .15s;
}
.comm-sidebar-tag:hover, .comm-sidebar-tag.active {
    background: #ede9fe;
    color: #6d28d9;
}

/* ── 平台图标色 ───────────────────────────── */
.platform-taobao { color: #e11d48; }
.platform-jd     { color: #e58a00; }
.platform-pdd    { color: #a21caf; }
.platform-douyin { color: #16a34a; }
.platform-all    { color: #6366f1; }

/* =============================================
   详情页专属样式
   ============================================= */
.comm-detail-wrap {
    max-width: 900px;
    margin: 1.5rem auto;
    padding: 0 1.25rem;
}

/* 返回按钮 */
.comm-back-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: #64748b;
    font-size: .875rem;
    text-decoration: none;
    margin-bottom: 1.2rem;
    transition: color .15s;
}
.comm-back-btn:hover { color: #6d28d9; }

/* 问题主体卡片 */
.comm-q-card {
    background: #fff;
    border-radius: .9rem;
    border: 1px solid #e8edf3;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.comm-q-header {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    margin-bottom: .9rem;
}
.comm-q-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1.4;
    flex: 1;
    margin: 0;
}
.comm-q-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: #94a3b8;
    font-size: .82rem;
    margin-bottom: 1.1rem;
    flex-wrap: wrap;
}
.comm-q-meta .comm-meta-author { color: #64748b; font-weight: 600; }
.comm-q-meta i { margin-right: .2rem; }

/* Markdown 渲染区域 */
.comm-markdown {
    font-size: .95rem;
    color: #374151;
    line-height: 1.75;
}
.comm-markdown h1, .comm-markdown h2, .comm-markdown h3 {
    font-weight: 700;
    color: #1e293b;
    margin: 1.2em 0 .5em;
    line-height: 1.35;
}
.comm-markdown h2 { font-size: 1.1rem; }
.comm-markdown h3 { font-size: 1rem; }
.comm-markdown p  { margin: .7em 0; }
.comm-markdown ul, .comm-markdown ol {
    padding-left: 1.4em;
    margin: .6em 0;
}
.comm-markdown li { margin: .3em 0; }
.comm-markdown strong { color: #1e293b; font-weight: 700; }
.comm-markdown code {
    background: #f1f5f9;
    padding: .1em .35em;
    border-radius: 4px;
    font-size: .88em;
    color: #7c3aed;
    font-family: monospace;
}
.comm-markdown pre {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: .5rem;
    padding: 1rem;
    overflow-x: auto;
    margin: .8em 0;
}
.comm-markdown pre code { background: none; padding: 0; color: #334155; }
.comm-markdown blockquote {
    border-left: 3px solid #a78bfa;
    padding: .4em 1em;
    color: #64748b;
    background: #f5f3ff;
    border-radius: 0 .4rem .4rem 0;
    margin: .8em 0;
}
.comm-markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: .8em 0;
    font-size: .88rem;
}
.comm-markdown th {
    background: #f8fafc;
    font-weight: 700;
    text-align: left;
    padding: .5rem .75rem;
    border: 1px solid #e2e8f0;
    color: #475569;
}
.comm-markdown td {
    padding: .45rem .75rem;
    border: 1px solid #e2e8f0;
    color: #374151;
}
.comm-markdown tr:nth-child(even) td { background: #fafafa; }

/* 问题底部标签 */
.comm-q-footer {
    border-top: 1px solid #f1f5f9;
    margin-top: 1.2rem;
    padding-top: .9rem;
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    align-items: center;
}

/* 回答区 */
.comm-answers-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .9rem;
}
.comm-answers-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}
.comm-answers-count {
    background: #f1f5f9;
    color: #64748b;
    font-size: .8rem;
    font-weight: 700;
    padding: .2rem .6rem;
    border-radius: 9999px;
}

.comm-answer-card {
    background: #fff;
    border-radius: .75rem;
    border: 1px solid #e8edf3;
    padding: 1.2rem 1.5rem;
    margin-bottom: .85rem;
    position: relative;
}
.comm-answer-card--accepted {
    border-color: #86efac;
    background: linear-gradient(135deg, #f0fdf4 0%, #fff 60%);
}
.comm-answer-accepted-badge {
    position: absolute;
    top: -1px;
    right: 1.2rem;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    padding: .15rem .7rem;
    border-radius: 0 0 .5rem .5rem;
}
.comm-answer-meta {
    display: flex;
    gap: .9rem;
    align-items: center;
    color: #94a3b8;
    font-size: .8rem;
    margin-bottom: .85rem;
    flex-wrap: wrap;
}
.comm-answer-meta .comm-meta-author { color: #475569; font-weight: 600; }
.comm-answer-likes {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: .25rem;
    color: #94a3b8;
    font-size: .82rem;
}
.comm-answer-likes i { color: #f59e0b; }

/* 相关问题侧栏 */
.comm-detail-layout {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 1.5rem;
    max-width: 1060px;
    margin: 1.5rem auto;
    padding: 0 1.25rem;
    align-items: start;
}
@media (max-width: 768px) {
    .comm-detail-layout { grid-template-columns: 1fr; }
    .comm-detail-sidebar { display: none; }
}
.comm-related-card {
    background: #fff;
    border-radius: .75rem;
    border: 1px solid #e8edf3;
    padding: 1rem 1.1rem;
    position: sticky;
    top: 72px;
}
.comm-related-title {
    font-size: .8rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin: 0 0 .75rem;
}
.comm-related-list { list-style: none; margin: 0; padding: 0; }
.comm-related-list li { border-top: 1px solid #f1f5f9; }
.comm-related-list li:first-child { border-top: none; }
.comm-related-link {
    display: block;
    padding: .6rem 0;
    font-size: .84rem;
    color: #475569;
    text-decoration: none;
    line-height: 1.4;
    transition: color .15s;
}
.comm-related-link:hover { color: #6d28d9; }