.forum-card{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--border-radius-lg);background:#fff;transition:all var(--transition-base)}
.forum-card:hover{box-shadow:var(--shadow-md)}
.forum-card-title{margin-bottom:var(--space-2);color:var(--color-primary);font-size:var(--text-lg);font-weight:600}
.forum-card-meta,.forum-topic-info{color:var(--color-text-muted);font-size:var(--text-xs)}
.forum-topic-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) 0;border-bottom:1px solid var(--color-border-light)}
.forum-topic-item:last-child{border-bottom:0}
.forum-topic-title{color:var(--color-primary);font-size:var(--text-sm);font-weight:500}
.forum-topic-title:hover,.forum-inline-link{color:var(--color-accent)}
.auth-section{padding-top:0;background:var(--color-bg-alt)}
.auth-box{max-width:480px;margin:0 auto;padding:var(--space-10);border:1px solid var(--color-border);border-radius:var(--border-radius-xl);background:#fff}
.auth-tabs{display:flex;margin-bottom:var(--space-8);border-bottom:2px solid var(--color-border-light)}
.auth-tab{flex:1;margin-bottom:-2px;padding:var(--space-3);border:0;border-bottom:2px solid transparent;background:none;color:var(--color-text-muted);font:inherit;font-size:var(--text-sm);font-weight:500;text-align:center;cursor:pointer}
.auth-tab.active,.auth-tab:hover{color:var(--color-accent);border-bottom-color:var(--color-accent)}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4)}
.category-item{padding:var(--space-6);border-radius:var(--border-radius-lg);background:var(--color-bg-alt);text-align:center;transition:all var(--transition-base)}
.category-item:hover{background:rgba(14,159,166,.08);transform:translateY(-2px)}
.category-icon{margin-bottom:var(--space-3);color:var(--color-accent);font-size:12px;font-weight:700}
.category-name{color:var(--color-primary);font-size:var(--text-sm);font-weight:600}
.category-count{margin-top:var(--space-1);color:var(--color-text-muted);font-size:var(--text-xs)}
.resource-center-note{margin-top:var(--space-6);text-align:center}
.resource-center-note>p{margin-bottom:var(--space-4);color:var(--color-text-muted);font-size:var(--text-sm)}
.resource-tag-list{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3)}
.resource-tag-list span{padding:4px 12px;border-radius:20px;background:#f5f7fa;color:#75828d;font-size:11px}
.auth-assist-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}
.auth-check{display:flex;align-items:center;gap:var(--space-2);color:var(--color-text-secondary);font-size:var(--text-sm)}
.auth-submit{width:100%;justify-content:center;padding:var(--space-4)}
.auth-note{margin-top:var(--space-4);color:var(--color-text-muted);font-size:var(--text-xs);text-align:center}
.auth-consent{display:flex;align-items:flex-start;gap:var(--space-2);color:var(--color-text-secondary);font-size:var(--text-xs)}
.auth-consent input{margin-top:3px}
.auth-consent-row{margin-bottom:var(--space-6)}
.auth-result{display:none;margin-top:12px;padding:12px;border-radius:8px;font-size:13px;text-align:center}
.section-header-left-aligned{text-align:left}
.topic-age{color:var(--color-text-muted);font-size:var(--text-xs)}
.resource-swatch{display:inline-block;width:3px;height:14px;border-radius:2px;background:var(--color-red)}
.community-lock-badge.is-unlocked{background:#eaf7ef;color:#237a45}
.forum-session{padding:20px;text-align:center}
.forum-session-title{margin-bottom:8px;font-size:18px}
.forum-session-meta{color:var(--color-text-secondary);font-size:13px}
.forum-session-status{margin:12px 0;color:var(--color-accent);font-size:12px}
.forum-session-logout{padding:6px 20px;border:0;border-radius:6px;background:var(--color-red);color:#fff;font-size:12px;cursor:pointer}
.footer .logo-text-cn{color:#fff}
@media(max-width:768px){.category-grid{grid-template-columns:repeat(2,1fr)}.auth-box{padding:var(--space-6)}.auth-assist-row{align-items:flex-start;flex-direction:column;gap:10px}}