/* ============================================================
   万可官网 · 产品中心
   ============================================================ */

/* ---------- 系列导航 ---------- */
.pd-nav {
	position: sticky;
	top: 72px;
	z-index: 50;
	background: rgba(255, 255, 255, .95);
	backdrop-filter: saturate(180%) blur(12px);
	border-bottom: 1px solid var(--line);
}
.pd-nav-inner {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding: 12px 24px;
	-webkit-overflow-scrolling: touch;
}
.pd-tab {
	flex: 0 0 auto;
	padding: 11px 22px;
	font-family: inherit;
	font-size: 15px;
	font-weight: 700;
	color: var(--gray-600);
	background: var(--bg-soft);
	border: 1px solid transparent;
	border-radius: 999px;
	white-space: nowrap;
	cursor: pointer;
	transition: all .22s var(--ease);
}
.pd-tab:hover { color: var(--blue-700); background: var(--blue-100); }
.pd-tab.is-active {
	color: #fff;
	background: linear-gradient(135deg, var(--blue-700), var(--blue-300));
	box-shadow: 0 6px 18px rgba(11, 99, 197, .3);
}

/* 品类面板：一次只显示一个 */
.pd-panel { display: none; }
.pd-panel.is-active { display: block; animation: pdFade .4s var(--ease); }
@keyframes pdFade {
	from { opacity: 0; transform: translateY(10px); }
	to   { opacity: 1; transform: none; }
}
.pd-panel.section { padding-top: 56px; }

/* ---------- 系列头 ---------- */
.pd-head {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 48px;
	align-items: center;
	margin-bottom: 52px;
}
.pd-en {
	display: inline-block;
	margin-bottom: 12px;
	padding: 5px 14px;
	font-size: 13px;
	font-weight: 700;
	color: var(--blue-700);
	background: var(--blue-100);
	border-radius: 999px;
}
.pd-lead {
	margin: 0 0 14px;
	font-size: clamp(19px, 2.1vw, 25px);
	font-weight: 800;
	color: var(--blue-700);
	line-height: 1.5;
}
.pd-head .section-sub { max-width: none; margin: 0; }
.pd-head-side img {
	width: 100%;
	border-radius: var(--radius);
	margin-bottom: 20px;
}
.pd-meta {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 10px 16px;
	margin: 0;
	padding: 20px 22px;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
}
.pd-meta dt { font-size: 13.5px; color: var(--gray-400); white-space: nowrap; }
.pd-meta dd { margin: 0; font-size: 14.5px; font-weight: 700; color: var(--ink); }

/* ---------- 型号卡片 ---------- */
.pd-models {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
	gap: 26px;
}
.pd-model {
	padding: 30px 28px;
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.pd-model:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-100); }

.pd-model-head {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px;
	margin-bottom: 10px;
}
.pd-model-head h3 { margin: 0; font-size: 20px; }
.pd-model-tag {
	padding: 3px 11px;
	font-size: 12px;
	font-weight: 700;
	color: #b45309;
	background: #fef3c7;
	border-radius: 999px;
}
.pd-model-note {
	margin: 0 0 20px;
	font-size: 14.5px;
	line-height: 1.7;
	color: var(--gray-600);
}

.pd-spec { margin: 0; padding-top: 18px; border-top: 1px dashed var(--line); }
.pd-spec-row {
	display: grid;
	grid-template-columns: 108px 1fr;
	gap: 12px;
	padding: 8px 0;
	border-bottom: 1px solid rgba(227, 233, 240, .7);
}
.pd-spec-row:last-child { border-bottom: 0; }
.pd-spec dt {
	font-size: 13.5px;
	color: var(--gray-400);
	line-height: 1.6;
}
.pd-spec dd {
	margin: 0;
	font-size: 14px;
	font-weight: 600;
	color: var(--ink);
	line-height: 1.6;
	word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
	.pd-head { grid-template-columns: 1fr; gap: 30px; }
	.pd-head-side { order: -1; }
	.pd-nav { top: 72px; }
}

@media (max-width: 560px) {
	.pd-models { grid-template-columns: 1fr; }
	.pd-model { padding: 24px 20px; }
	.pd-spec-row { grid-template-columns: 92px 1fr; gap: 10px; }
	.pd-nav-inner { padding: 10px 18px; }
}