/*
 * 产品详情页版式
 *
 * 版式与本地产品库里的产品页样板（02_本地产品库/产品独立页）保持一致：
 * hero 参数条 → 产品概述 → 卖点卡片 → 规格表 → 材质表 → 应用场景 → FAQ → 相关产品 → 询盘区。
 * 仅在 water_meter 详情页加载，其他页面不受影响。
 * 品牌色用站点主色，改 --brand 一个变量即可整体换色。
 */

.cs-pdp {
	--brand: #2f7ec4;
	--brand-dark: #17558c;
	--brand-soft: #eaf3fc;
	--ink: #0a2846;
	--ink-2: #48658a;
	--muted: #6b7a94;
	--line: #dde7f1;
	--ok: #0f7a52;
	--ok-bg: #eaf6f0;
	--radius: 10px;
	--maxw: 1180px;

	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	color: var(--ink);
	line-height: 1.65;
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
}

.cs-pdp .wrap {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 0 24px;
}

/* ---------- hero ---------- */
.cs-pdp .hero {
	background: linear-gradient(180deg, #f7f9fd 0%, #ffffff 100%);
	border-bottom: 1px solid var(--line);
	padding: 28px 0 44px;
}

.cs-pdp .hero-grid {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 40px;
	align-items: start;
}

@media (max-width: 900px) {
	.cs-pdp .hero-grid {
		grid-template-columns: 1fr;
		gap: 28px;
	}
}

.cs-pdp .badge {
	display: inline-block;
	background: var(--brand-soft);
	color: var(--brand-dark);
	font-size: 12px;
	font-weight: 700;
	padding: 5px 11px;
	border-radius: 999px;
	letter-spacing: 0.4px;
	margin-bottom: 14px;
	text-decoration: none;
}

.cs-pdp .hero h1 {
	font-size: 34px;
	line-height: 1.25;
	font-weight: 800;
	letter-spacing: -0.4px;
	margin: 0 0 12px;
	color: var(--ink);
}

@media (max-width: 700px) {
	.cs-pdp .hero h1 {
		font-size: 26px;
	}
}

.cs-pdp .tagline {
	font-size: 18px;
	color: var(--ink-2);
	margin: 0 0 22px;
	max-width: 640px;
}

.cs-pdp .chips {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 26px;
}

.cs-pdp .chip {
	border: 1px solid var(--line);
	background: #fff;
	border-radius: 8px;
	padding: 8px 12px;
	min-width: 150px;
}

.cs-pdp .chip b {
	display: block;
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.6px;
	color: var(--muted);
	font-weight: 600;
}

.cs-pdp .chip span {
	font-size: 14px;
	font-weight: 600;
	color: var(--ink);
}

.cs-pdp .btn {
	display: inline-block;
	padding: 13px 24px;
	border-radius: 8px;
	font-weight: 700;
	font-size: 15px;
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
}

.cs-pdp .btn-primary {
	background: var(--brand);
	color: #fff;
}

.cs-pdp .btn-primary:hover {
	background: var(--brand-dark);
	color: #fff;
	text-decoration: none;
}

.cs-pdp .btn-ghost {
	background: #fff;
	color: var(--brand);
	border-color: var(--line);
	margin-left: 10px;
}

.cs-pdp .btn-ghost:hover {
	border-color: var(--brand);
	color: var(--brand);
	text-decoration: none;
}

.cs-pdp .cta-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 4px;
}

.cs-pdp .hero-media {
	border: 1px solid var(--line);
	background: #fbfcfe;
	border-radius: var(--radius);
	padding: 26px;
	text-align: center;
}

.cs-pdp .hero-media img {
	max-height: 320px;
	width: auto;
	margin: 0 auto;
	object-fit: contain;
}

/* ---------- 通用版块 ---------- */
.cs-pdp section {
	padding: 52px 0;
	border-bottom: 1px solid var(--line);
	scroll-margin-top: 90px;
}

.cs-pdp section.alt {
	background: #f5f7fb;
}

.cs-pdp h2 {
	font-size: 24px;
	font-weight: 800;
	letter-spacing: -0.2px;
	margin: 0 0 8px;
	color: var(--ink);
}

.cs-pdp .sec-intro {
	color: var(--ink-2);
	max-width: 760px;
	margin: 0 0 26px;
}

.cs-pdp .sec-body {
	color: var(--ink-2);
	max-width: 820px;
}

.cs-pdp .sec-body p {
	margin-bottom: 14px;
}

.cs-pdp h3 {
	font-size: 17px;
	font-weight: 700;
	margin: 0 0 6px;
}

/* ---------- 卖点卡片 ---------- */
.cs-pdp .benefits {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

@media (max-width: 900px) {
	.cs-pdp .benefits {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 600px) {
	.cs-pdp .benefits {
		grid-template-columns: 1fr;
	}
}

.cs-pdp .benefit {
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 20px;
}

.cs-pdp .benefit .ic {
	width: 34px;
	height: 34px;
	border-radius: 8px;
	background: var(--brand-soft);
	color: var(--brand-dark);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 800;
	font-size: 14px;
	margin-bottom: 12px;
}

.cs-pdp .benefit p {
	font-size: 14.5px;
	color: var(--ink-2);
	margin: 0;
}

/* ---------- 表格 ---------- */
.cs-pdp .table-scroll {
	overflow-x: auto;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: #fff;
}

.cs-pdp table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14.5px;
	min-width: 560px;
}

.cs-pdp th,
.cs-pdp td {
	padding: 12px 16px;
	text-align: left;
	border-bottom: 1px solid var(--line);
	vertical-align: top;
}

.cs-pdp th {
	background: #f7f9fc;
	font-size: 12.5px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	color: var(--ink-2);
	font-weight: 700;
}

.cs-pdp tbody tr:last-child td {
	border-bottom: none;
}

.cs-pdp td.val {
	font-weight: 600;
}

.cs-pdp .src-note {
	margin-top: 14px;
	font-size: 13px;
	color: var(--muted);
	background: #fbfcfe;
	border-left: 3px solid var(--line);
	padding: 10px 14px;
	border-radius: 0 6px 6px 0;
}

/* ---------- 应用场景 ---------- */
.cs-pdp .apps {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 18px;
}

.cs-pdp .app {
	background: #fff;
	border: 1px solid var(--line);
	border-left: 3px solid var(--brand);
	border-radius: var(--radius);
	padding: 18px 20px;
}

.cs-pdp .app p {
	font-size: 14px;
	color: var(--ink-2);
	margin: 0 0 8px;
}

.cs-pdp .app .who {
	font-size: 12.5px;
	color: var(--brand-dark);
	font-weight: 700;
}

/* ---------- FAQ ---------- */
.cs-pdp .faq {
	max-width: 820px;
}

.cs-pdp .faq details {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: #fff;
	margin-bottom: 12px;
	overflow: hidden;
}

.cs-pdp .faq summary {
	padding: 16px 20px;
	font-weight: 700;
	font-size: 15.5px;
	cursor: pointer;
	list-style: none;
	display: flex;
	justify-content: space-between;
	gap: 16px;
}

.cs-pdp .faq summary::-webkit-details-marker {
	display: none;
}

.cs-pdp .faq summary::after {
	content: "+";
	color: var(--brand);
	font-weight: 800;
	font-size: 18px;
}

.cs-pdp .faq details[open] summary::after {
	content: "\2013";
}

.cs-pdp .faq .ans {
	padding: 0 20px 18px;
	font-size: 14.5px;
	color: var(--ink-2);
}

/* ---------- 相关产品 ---------- */
.cs-pdp .related-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 18px;
}

.cs-pdp .rel {
	display: block;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 18px;
	background: #fff;
	color: var(--ink);
	text-decoration: none;
}

.cs-pdp .rel:hover {
	border-color: var(--brand);
	text-decoration: none;
	box-shadow: 0 4px 14px rgba(47, 126, 196, 0.1);
}

.cs-pdp .rel .k {
	display: block;
	font-size: 12px;
	color: var(--muted);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.cs-pdp .rel .t {
	display: block;
	font-weight: 700;
	margin: 6px 0 4px;
	font-size: 15.5px;
}

.cs-pdp .rel .d {
	display: block;
	font-size: 13.5px;
	color: var(--ink-2);
}

.cs-pdp .rel .more {
	font-size: 13px;
	font-weight: 700;
	color: var(--brand);
	margin-top: 8px;
	display: inline-block;
}

/* ---------- 询盘区 ---------- */
.cs-pdp .quote {
	background: var(--brand);
	color: #fff;
	border-bottom: none;
}

.cs-pdp .quote h2,
.cs-pdp .quote p {
	color: #fff;
}

.cs-pdp .quote-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 36px;
	align-items: start;
}

@media (max-width: 900px) {
	.cs-pdp .quote-grid {
		grid-template-columns: 1fr;
	}
}

.cs-pdp .quote form {
	background: #fff;
	border-radius: var(--radius);
	padding: 24px;
	margin: 0;
}

.cs-pdp .quote ul {
	list-style: none;
	font-size: 15px;
	margin: 0 0 18px;
	padding: 0;
}

.cs-pdp .quote ul li {
	margin-bottom: 10px;
	padding-left: 22px;
	position: relative;
	color: #eaf1ff;
}

.cs-pdp .quote ul li::before {
	content: "\2713";
	position: absolute;
	left: 0;
	color: #9ec5ff;
	font-weight: 800;
}

.cs-pdp .contact-list {
	margin-top: 18px;
	font-size: 14.5px;
	color: #eaf1ff;
}

.cs-pdp .contact-list ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.cs-pdp .contact-list a {
	color: #fff;
	text-decoration: underline;
}

/* 复用站点询盘表单，这里改成浅色卡片内的深色排版 */
.cs-pdp .quote #project-inquiry-form {
	margin-top: 0;
	max-width: none;
	text-align: left;
}

.cs-pdp .quote #project-inquiry-form label {
	color: var(--ink-2);
	font-weight: 700;
}

.cs-pdp .quote #project-inquiry-form input,
.cs-pdp .quote #project-inquiry-form textarea {
	border: 1px solid var(--line);
	color: var(--ink);
}

.cs-pdp .quote #project-inquiry-form input:focus,
.cs-pdp .quote #project-inquiry-form textarea:focus {
	border-color: var(--brand);
}

.cs-pdp .quote #project-inquiry-form button[type="submit"] {
	background: var(--brand);
	color: #fff;
	border: none;
}

.cs-pdp .quote #project-inquiry-form button[type="submit"]:hover {
	background: var(--brand-dark);
}

.cs-pdp .quote #project-inquiry-form [data-inquiry-status] {
	color: var(--muted);
}