/*
Theme Name: 唐山捷云水泥与混凝土制品
Theme URI: https://www.jieyuncm.com/
Author: 唐山捷云建材科技有限公司
Author URI: https://www.jieyuncm.com/
Description: 唐山捷云水泥与混凝土制品企业官网主题（地名 + 品牌名 + 行业：唐山 + 捷云 + 水泥与混凝土制品）。适用于建材、商品混凝土、预制构件等工业制造企业官网，包含首屏幻灯片、企业数据、关于我们、产品中心、工程案例、新闻资讯与联系方式模块。支持自定义 Logo、自定义菜单、页脚小工具与“企业信息”主题设置，无需额外插件。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: jieyuncm
Tags: one-column, custom-logo, custom-menu, featured-images, theme-options, footer-widgets, accessibility-ready
*/

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
	--c-primary: #12457a;
	--c-primary-dark: #0b2d52;
	--c-accent: #e8891d;
	--c-text: #2b2f36;
	--c-muted: #5f6b7a;
	--c-line: #e3e8ef;
	--c-bg-soft: #f3f6fa;
	--c-white: #ffffff;
	--radius: 10px;
	--shadow: 0 12px 30px rgba(11, 45, 82, 0.12);
	--container: 1200px;
	--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", Arial, sans-serif;
}

/* ==========================================================================
   Base
   ========================================================================== */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.75;
	color: var(--c-text);
	background: var(--c-white);
	-webkit-font-smoothing: antialiased;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: var(--c-primary);
	text-decoration: none;
	transition: color 0.2s ease;
}

a:hover {
	color: var(--c-accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
	outline: 3px solid var(--c-accent);
	outline-offset: 2px;
}

h1,
h2,
h3,
h4 {
	line-height: 1.35;
	color: var(--c-primary-dark);
	margin: 0 0 0.6em;
}

p {
	margin: 0 0 1em;
}

ul,
ol {
	margin: 0;
	padding: 0;
}

[id] {
	scroll-margin-top: 96px;
}

.container {
	width: min(100% - 40px, var(--container));
	margin-inline: auto;
}

.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	width: 1px;
	word-wrap: normal !important;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: auto;
	z-index: 1000;
}

.skip-link:focus {
	left: 12px;
	top: 12px;
	padding: 10px 18px;
	background: var(--c-accent);
	color: #fff;
	border-radius: 6px;
}

.eyebrow {
	display: block;
	color: var(--c-accent);
	font-weight: 700;
	letter-spacing: 3px;
	text-transform: uppercase;
	font-size: 13px;
	margin-bottom: 6px;
}

.btn {
	display: inline-block;
	padding: 12px 28px;
	border-radius: 999px;
	background: var(--c-primary);
	color: #fff !important;
	font-weight: 600;
	border: 2px solid var(--c-primary);
	cursor: pointer;
	font-size: 15px;
	transition: background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
	background: var(--c-accent);
	border-color: var(--c-accent);
}

.btn-light {
	background: #fff;
	border-color: #fff;
	color: var(--c-primary-dark) !important;
}

.btn-light:hover {
	background: var(--c-accent);
	border-color: var(--c-accent);
	color: #fff !important;
}

/* ==========================================================================
   Top bar & header
   ========================================================================== */
.topbar {
	background: var(--c-primary-dark);
	color: #d4e1f0;
	font-size: 14px;
}

.topbar-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px 24px;
	min-height: 40px;
	padding: 6px 0;
}

.topbar strong,
.topbar a {
	color: #fff;
}

.topbar-group {
	display: flex;
	gap: 22px;
	flex-wrap: wrap;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: #fff;
	border-bottom: 1px solid var(--c-line);
	transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
	box-shadow: 0 6px 22px rgba(11, 45, 82, 0.1);
}

.header-inner {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	min-height: 84px;
}

.site-branding {
	min-width: 0;
}

.brand {
	display: flex;
	align-items: center;
	gap: 12px;
	color: var(--c-primary-dark);
}

.brand:hover {
	color: var(--c-primary-dark);
}

.brand-mark {
	width: 50px;
	height: 50px;
	flex: 0 0 50px;
	border-radius: 12px;
	background: linear-gradient(135deg, var(--c-primary), #2d7cc0);
	color: #fff;
	display: grid;
	place-items: center;
	font-weight: 700;
	font-size: 17px;
	letter-spacing: 2px;
}

.brand-name {
	display: block;
	font-weight: 700;
	font-size: 18px;
	line-height: 1.3;
	color: var(--c-primary-dark);
}

.brand-slogan {
	display: block;
	font-size: 13px;
	color: var(--c-muted);
}

.custom-logo-link img {
	max-height: 56px;
	width: auto;
}

.main-nav {
	display: block;
}

.main-nav .menu {
	display: flex;
	align-items: center;
	gap: 4px;
	list-style: none;
}

.main-nav .menu li {
	position: relative;
}

.main-nav .menu a {
	display: block;
	padding: 10px 16px;
	color: var(--c-text);
	font-weight: 500;
	border-radius: 6px;
	white-space: nowrap;
}

.main-nav .menu a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
	color: var(--c-primary);
	background: var(--c-bg-soft);
}

.main-nav .sub-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 180px;
	background: #fff;
	box-shadow: var(--shadow);
	border-radius: 8px;
	padding: 6px 0;
	list-style: none;
}

.main-nav li:hover > .sub-menu,
.main-nav li:focus-within > .sub-menu {
	display: block;
}

.menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border: 1px solid var(--c-line);
	background: #fff;
	border-radius: 8px;
	cursor: pointer;
	padding: 0;
}

.bars {
	display: block;
	width: 20px;
	height: 2px;
	background: var(--c-primary-dark);
	position: relative;
}

.bars::before,
.bars::after {
	content: "";
	position: absolute;
	left: 0;
	width: 20px;
	height: 2px;
	background: var(--c-primary-dark);
}

.bars::before {
	top: -6px;
}

.bars::after {
	top: 6px;
}

/* ==========================================================================
   Hero slider (no title, image only)
   ========================================================================== */
.hero {
	position: relative;
	background: var(--c-primary-dark);
}

.hero-slider {
	position: relative;
	height: clamp(260px, 42vw, 520px);
	overflow: hidden;
}

.slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.8s ease, visibility 0.8s ease;
}

.slide.is-active {
	opacity: 1;
	visibility: visible;
}

.slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.slider-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 46px;
	height: 46px;
	border-radius: 50%;
	border: 0;
	background: rgba(255, 255, 255, 0.85);
	color: var(--c-primary-dark);
	font-size: 28px;
	line-height: 1;
	cursor: pointer;
	z-index: 2;
	display: grid;
	place-items: center;
	transition: background 0.2s ease;
}

.slider-btn:hover {
	background: #fff;
}

.slider-btn.prev {
	left: 20px;
}

.slider-btn.next {
	right: 20px;
}

.slider-dots {
	position: absolute;
	bottom: 18px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	z-index: 2;
}

.dot {
	width: 13px;
	height: 13px;
	border-radius: 50%;
	border: 2px solid #fff;
	background: transparent;
	padding: 0;
	cursor: pointer;
}

.dot.is-active {
	background: var(--c-accent);
	border-color: var(--c-accent);
}

/* ==========================================================================
   Stats
   ========================================================================== */
.stats {
	background: var(--c-primary);
	color: #fff;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
}

.stat {
	padding: 28px 16px;
	text-align: center;
	border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stat:last-child {
	border-right: 0;
}

.stat-num {
	display: block;
	font-size: 34px;
	font-weight: 700;
	color: #ffd08a;
	line-height: 1.2;
}

.stat-label {
	font-size: 14px;
	opacity: 0.92;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
	padding: 84px 0;
}

.section-alt {
	background: var(--c-bg-soft);
}

.section-head {
	text-align: center;
	margin-bottom: 46px;
}

.section-head h2 {
	font-size: 32px;
	margin: 0 0 10px;
}

.section-head p {
	color: var(--c-muted);
	margin: 0 auto;
	max-width: 680px;
}

.about-grid {
	display: grid;
	grid-template-columns: 1.05fr 1fr;
	gap: 56px;
	align-items: center;
}

.about-media img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: var(--radius);
	box-shadow: var(--shadow);
}

.about-text h2 {
	font-size: 32px;
}

.check-list {
	list-style: none;
	margin: 18px 0 28px;
}

.check-list li {
	position: relative;
	padding-left: 28px;
	margin-bottom: 8px;
}

.check-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.55em;
	width: 12px;
	height: 12px;
	border-radius: 3px;
	background: var(--c-accent);
}

/* ==========================================================================
   Product cards
   ========================================================================== */
.product-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 26px;
}

.product-card {
	background: #fff;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
	transition: transform 0.25s ease, box-shadow 0.25s ease;
	display: flex;
	flex-direction: column;
}

.product-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow);
}

.card-img {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: #dfe6ee;
}

.card-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.product-card:hover .card-img img {
	transform: scale(1.05);
}

.card-body {
	padding: 22px 24px 26px;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.card-body h3 {
	font-size: 19px;
	margin-bottom: 8px;
}

.card-body p {
	color: var(--c-muted);
	font-size: 15px;
	flex: 1;
}

.card-link {
	font-weight: 600;
}

/* ==========================================================================
   Advantages
   ========================================================================== */
.adv-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
}

.adv-item {
	background: #fff;
	border-radius: var(--radius);
	padding: 30px 24px;
	border-top: 4px solid var(--c-primary);
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.adv-no {
	font-size: 14px;
	color: var(--c-accent);
	font-weight: 700;
	letter-spacing: 2px;
}

.adv-item h3 {
	font-size: 19px;
	margin: 8px 0;
}

.adv-item p {
	color: var(--c-muted);
	font-size: 15px;
	margin: 0;
}

/* ==========================================================================
   Cases
   ========================================================================== */
.case-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 26px;
}

.case-card {
	position: relative;
	border-radius: var(--radius);
	overflow: hidden;
	min-height: 360px;
	color: #fff;
	display: flex;
	align-items: flex-end;
}

.case-card img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 0;
	transition: transform 0.5s ease;
}

.case-card:hover img {
	transform: scale(1.05);
}

.case-card::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, rgba(7, 27, 50, 0.92), rgba(7, 27, 50, 0.05) 70%);
	z-index: 1;
}

.case-body {
	position: relative;
	z-index: 2;
	padding: 24px;
}

.case-body h3 {
	color: #fff;
	font-size: 20px;
}

.case-body p {
	font-size: 14px;
	opacity: 0.92;
	margin: 0;
}

.case-tag {
	display: inline-block;
	background: var(--c-accent);
	color: #fff;
	padding: 2px 10px;
	border-radius: 4px;
	font-size: 13px;
	margin-bottom: 10px;
}

/* ==========================================================================
   News
   ========================================================================== */
.news-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 26px;
	list-style: none;
}

.news-item {
	background: #fff;
	border-radius: var(--radius);
	padding: 26px;
	border: 1px solid var(--c-line);
}

.news-date {
	font-size: 14px;
	color: var(--c-accent);
	font-weight: 600;
}

.news-item h3 {
	font-size: 18px;
	margin: 8px 0 10px;
}

.news-item h3 a {
	color: var(--c-primary-dark);
}

.news-item p {
	color: var(--c-muted);
	font-size: 15px;
	margin: 0;
}

/* ==========================================================================
   Contact band
   ========================================================================== */
.contact-band {
	background: linear-gradient(120deg, var(--c-primary-dark), var(--c-primary));
	color: #fff;
	padding: 68px 0;
}

.contact-grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 40px;
	align-items: center;
}

.contact-band h2 {
	color: #fff;
	font-size: 30px;
}

.contact-band p {
	opacity: 0.92;
}

.contact-info {
	display: grid;
	gap: 14px;
	background: rgba(255, 255, 255, 0.08);
	border-radius: var(--radius);
	padding: 26px 28px;
}

.contact-info div {
	display: flex;
	gap: 14px;
}

.contact-info span:first-child {
	min-width: 72px;
	opacity: 0.75;
}

.contact-info a {
	color: #fff;
	font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
	background: #0a2440;
	color: #b9c7d8;
	font-size: 15px;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.3fr 1fr 1fr;
	gap: 40px;
	padding: 60px 0 36px;
}

.site-footer h2,
.site-footer h3,
.site-footer .widget-title {
	color: #fff;
	font-size: 17px;
	margin-bottom: 14px;
}

.site-footer a {
	color: #b9c7d8;
}

.site-footer a:hover {
	color: #ffd08a;
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 12px;
}

.footer-brand .brand-mark {
	width: 44px;
	height: 44px;
	flex-basis: 44px;
	font-size: 15px;
}

.footer-desc {
	margin-top: 14px;
	color: #9fb2c9;
	font-size: 14px;
}

.footer-list li,
.footer-menu li {
	margin-bottom: 8px;
	list-style: none;
}

.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	padding: 18px 0;
	font-size: 13px;
	text-align: center;
}

.footer-bottom p {
	margin: 0 0 4px;
}

/* ==========================================================================
   Inner pages, posts, search, 404
   ========================================================================== */
.page-banner {
	background: linear-gradient(120deg, var(--c-primary-dark), var(--c-primary));
	color: #fff;
	padding: 56px 0;
}

.page-banner h1 {
	color: #fff;
	font-size: 34px;
	margin: 0 0 6px;
}

.page-banner a {
	color: #fff;
}

.breadcrumb {
	margin: 0;
	font-size: 14px;
	opacity: 0.9;
}

.content-wrap {
	max-width: 900px;
	margin-inline: auto;
	padding: 56px 0 72px;
}

.entry-meta {
	color: var(--c-muted);
	font-size: 14px;
	margin-bottom: 18px;
}

.entry-thumb img {
	border-radius: var(--radius);
	margin-bottom: 24px;
}

.entry-content h2,
.entry-content h3 {
	margin-top: 1.4em;
}

.entry-content img {
	border-radius: 8px;
}

.entry-content blockquote {
	border-left: 4px solid var(--c-accent);
	margin: 1.5em 0;
	padding: 0.4em 1em;
	background: var(--c-bg-soft);
}

.post-list-item {
	padding: 28px 0;
	border-bottom: 1px solid var(--c-line);
}

.post-list-item h2 {
	font-size: 22px;
	margin: 6px 0 10px;
}

.post-list-item h2 a {
	color: var(--c-primary-dark);
}

.post-list-item .entry-thumb img {
	margin-bottom: 14px;
	max-height: 320px;
	width: 100%;
	object-fit: cover;
}

.post-navigation,
.posts-navigation,
.pagination {
	margin: 36px 0;
}

.nav-links {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
}

.pagination .nav-links {
	justify-content: center;
}

.pagination .page-numbers {
	display: inline-block;
	min-width: 40px;
	padding: 8px 12px;
	margin: 0 3px;
	text-align: center;
	border: 1px solid var(--c-line);
	border-radius: 6px;
	color: var(--c-primary);
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
	background: var(--c-primary);
	border-color: var(--c-primary);
	color: #fff;
}

.search-form {
	display: flex;
	gap: 10px;
	margin: 18px 0;
}

.search-field {
	flex: 1;
	padding: 12px 18px;
	border: 1px solid #c3ccd8;
	border-radius: 999px;
	font: inherit;
	min-width: 0;
}

.search-submit {
	padding: 12px 26px;
	border: 0;
	border-radius: 999px;
	background: var(--c-primary);
	color: #fff;
	font: inherit;
	cursor: pointer;
}

.search-submit:hover {
	background: var(--c-accent);
}

.not-found {
	text-align: center;
	padding: 30px 0;
}

.not-found .code {
	font-size: 96px;
	font-weight: 700;
	color: var(--c-primary);
	line-height: 1;
}

.no-results {
	color: var(--c-muted);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
	.product-grid,
	.case-grid,
	.news-list {
		grid-template-columns: repeat(2, 1fr);
	}

	.adv-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.footer-grid {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 860px) {
	.menu-toggle {
		display: inline-flex;
	}

	.main-nav {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		background: #fff;
		border-bottom: 1px solid var(--c-line);
		box-shadow: var(--shadow);
		display: none;
		padding: 10px 20px 18px;
	}

	.main-nav.is-open {
		display: block;
	}

	.main-nav .menu {
		flex-direction: column;
		align-items: stretch;
	}

	.main-nav .sub-menu {
		position: static;
		display: block;
		box-shadow: none;
		padding-left: 14px;
	}

	.about-grid,
	.contact-grid {
		grid-template-columns: 1fr;
	}

	.stats-grid {
		grid-template-columns: 1fr 1fr;
	}

	.stat:nth-child(2) {
		border-right: 0;
	}

	.stat:nth-child(-n + 2) {
		border-bottom: 1px solid rgba(255, 255, 255, 0.15);
	}

	.section {
		padding: 58px 0;
	}

	.slider-btn {
		width: 38px;
		height: 38px;
		font-size: 22px;
	}
}

@media (max-width: 620px) {
	.topbar {
		display: none;
	}

	.product-grid,
	.case-grid,
	.news-list,
	.adv-grid,
	.footer-grid {
		grid-template-columns: 1fr;
	}

	.brand-slogan {
		display: none;
	}

	.brand-name {
		font-size: 16px;
	}

	.section-head h2,
	.about-text h2,
	.contact-band h2 {
		font-size: 26px;
	}

	.page-banner h1 {
		font-size: 26px;
	}

	.not-found .code {
		font-size: 72px;
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		transition: none !important;
		animation: none !important;
		scroll-behavior: auto !important;
	}
}