/* SVG 图标样式 */
.icon { display: inline-block; width: 16px; height: 16px; vertical-align: middle; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon use { stroke: currentColor; }
.icon-sm { width: 14px; height: 14px; }
.icon-lg { width: 20px; height: 20px; }
.icon + span, span + .icon { margin-left: 4px; }

/* 侧栏标签图标 */
.tab { text-align: center; }
.tab .icon { display: block; margin: 0 auto 2px; width: 20px; height: 20px; stroke: currentColor; }
.tab.active .icon { stroke: var(--accent); }

/* 标语 */
.tagline-text { fill: var(--text-secondary); font-family: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif; }