:root { --sm-bg-main: #f9fafb; --sm-bg-card: #ffffff; --sm-bg-summary: #f8fafc; --sm-accent-blue: #4f46e5; --sm-accent-red: #ef4444; --sm-text-main: #111827; --sm-text-muted: #6b7280; --sm-text-desc: #374151; --sm-border-light: #f1f5f9; --sm-border-card: #e5e7eb; }
.sm-section { padding: 40px 20px; background: var(--sm-bg-main); max-width: 1500px; margin: 0 auto; font-family: Inter, -apple-system, system-ui, sans-serif; }
.sm-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; border-bottom: 1px solid var(--sm-border-card); padding-bottom: 16px; }
.sm-title { font-size: 24px; font-weight: 800; color: var(--sm-text-main); display: flex; align-items: center; gap: 12px; }
.sm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.sm-card { background: var(--sm-bg-card); border: 1px solid var(--sm-border-card); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; height: 100%; transition: all 0.25s ease; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.sm-card:hover { transform: translateY(-4px); box-shadow: 0 12px 20px -10px rgba(0,0,0,0.08); border-color: #d1d5db; }
.sm-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.sm-brand { font-weight: 700; font-size: 15px; color: var(--sm-text-main); display: flex; align-items: center; gap: 8px; }
.sm-brand-icon { width: 24px; height: 24px; background: #eef2ff; color: var(--sm-accent-blue); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: bold; }
.sm-time { font-size: 12px; color: var(--sm-text-muted); }
.sm-summary { font-size: 14px; color: var(--sm-text-desc); line-height: 1.5; background: var(--sm-bg-summary); padding: 5px 12px; border-radius: 6px; border-left: 3px solid var(--sm-border-summary-left); margin-bottom: 15px; min-height: 65px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; text-overflow: ellipsis; word-break: break-word; }
.sm-summary a { text-decoration: none; color: inherit; display: block; }
.highlight { margin-top: auto; display: inline-flex; align-items: center; align-self: flex-start; padding: 4px 10px; background: #fff1f2; color: var(--sm-accent-red); border: 1px solid #fecdd3; border-radius: 6px; font-size: 12px; font-weight: 700; letter-spacing: 0.02em; }
.sm-tag-info { background: #eff6ff; color: #1d4ed8; padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; border: 1px solid #dbeafe; }
.highlight-info {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 4px 10px;
    background: #f3f4f6; 
    color: var(--sm-text-desc); 
    border: 1px solid #e5e7eb; 
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600; 
    letter-spacing: 0.02em;
}
@media (max-width: 640px) { .sm-grid { grid-template-columns: 1fr; } }