/* ======================================================================
   页头社交图标条
   样式参考老板提供的截图：深色圆底 + 浅灰图标，悬停提亮。
   ====================================================================== */

.zxd-social {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: 0 0 auto;
}

.zxd-social__item {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	background: #1f1f1f;
	color: #b9b9b9;
	text-decoration: none;
	transition: color .18s ease, background-color .18s ease, transform .18s ease;
}

.zxd-social__item:hover,
.zxd-social__item:focus-visible {
	background: #111;
	color: #ffffff;
	transform: translateY(-1px);
}

.zxd-social__item:focus-visible {
	outline: 2px solid var(--brand, #1a6ed8);
	outline-offset: 2px;
}

.zxd-social__item svg {
	width: 16px;
	height: 16px;
	display: block;
}

/* 品牌色悬停：Facebook 蓝 / Instagram 渐变粉 / YouTube 红 / TikTok 青 / LinkedIn 蓝 */
.zxd-social__item--facebook:hover  { color: #1877f2; }
.zxd-social__item--instagram:hover { color: #e1306c; }
.zxd-social__item--youtube:hover   { color: #ff0000; }
.zxd-social__item--tiktok:hover    { color: #25f4ee; }
.zxd-social__item--linkedin:hover  { color: #0a66c2; }

/* 移动端：缩小并压缩间距，避免挤压导航 */
@media (max-width: 900px) {
	.zxd-social { gap: 6px; }
	.zxd-social__item { width: 28px; height: 28px; }
	.zxd-social__item svg { width: 14px; height: 14px; }
}

/* 极窄屏：只保留图标，不显示多余间距 */
@media (max-width: 560px) {
	.zxd-social { gap: 4px; }
	.zxd-social__item { width: 26px; height: 26px; }
	.zxd-social__item svg { width: 13px; height: 13px; }
}