/*
Theme Name: 营口威科工业阀门企业官网
Author: 营口威科工业阀门有限公司
Author URI: https://www.ykw167.com/
Description: 面向中国工业阀门与流体控制设备制造企业的模块化官网主题。首页由首屏、业务服务、关于我们、数据展示、产品中心、合作案例、公司动态、常见问题、行动号召与联系表单等独立模块组成，共用统一栅格、间距与字体层级。内置“公司信息”自定义面板、可用的询价表单、响应式导航、页脚小工具区与无障碍支持。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yingkou-weike-valves
Tags: accessibility-ready, custom-logo, custom-menu, featured-images, footer-widgets, grid-layout, one-column, theme-options, translation-ready
*/

/* ==========================================================================
   1. Design tokens
   ========================================================================== */
:root {
	--c-primary: #1c3d5a;
	--c-primary-dark: #0f2233;
	--c-accent: #f97316;
	--c-accent-dark: #ea580c;
	--c-text: #1f2933;
	--c-muted: #5f6b76;
	--c-line: #dfe5ea;
	--c-bg-alt: #f3f6f8;
	--c-white: #ffffff;
	--c-success: #1d6b35;
	--c-danger: #a32a2a;
	--container: 1200px;
	--radius: 6px;
	--header-h: 76px;
}

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

html {
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
	margin: 0;
	font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
	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,
a:focus-visible {
	color: var(--c-accent);
}

:focus-visible {
	outline: 2px solid var(--c-accent);
	outline-offset: 3px;
}

h1,
h2,
h3,
h4 {
	margin: 0 0 0.6em;
	line-height: 1.3;
	color: var(--c-primary);
}

p {
	margin: 0 0 1em;
}

.container {
	width: min(var(--container), 92%);
	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;
	width: 1px;
	word-wrap: normal !important;
}

.skip-link:focus {
	clip: auto;
	clip-path: none;
	height: auto;
	width: auto;
	left: 12px;
	top: 12px;
	z-index: 1000;
	background: var(--c-white);
	padding: 10px 16px;
	border-radius: var(--radius);
	box-shadow: 0 0 0 2px var(--c-accent);
}

/* ==========================================================================
   3. Buttons & shared module primitives
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 24px;
	border: 2px solid transparent;
	border-radius: var(--radius);
	font: inherit;
	font-weight: 600;
	font-size: 15px;
	line-height: 1.2;
	cursor: pointer;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--solid {
	background: var(--c-accent);
	color: var(--c-white);
}

.btn--solid:hover {
	background: var(--c-accent-dark);
	color: var(--c-white);
}

.btn--primary {
	background: var(--c-primary);
	color: var(--c-white);
}

.btn--primary:hover {
	background: var(--c-primary-dark);
	color: var(--c-white);
}

.btn--ghost {
	background: transparent;
	border-color: currentColor;
	color: inherit;
}

.btn--ghost:hover {
	background: rgba(255, 255, 255, 0.12);
	color: inherit;
}

.module {
	padding: 88px 0;
}

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

.module__head {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 24px;
	margin-bottom: 44px;
	flex-wrap: wrap;
}

.module__eyebrow {
	display: block;
	color: var(--c-accent);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.12em;
	margin-bottom: 6px;
}

.module__title {
	font-size: 32px;
	margin: 0;
}

.module__desc {
	color: var(--c-muted);
	max-width: 520px;
	margin: 0;
}

.grid {
	display: grid;
	gap: 24px;
}

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

.grid--3 {
	grid-template-columns: repeat(3, 1fr);
}

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

.card {
	position: relative;
	background: var(--c-white);
	border: 1px solid var(--c-line);
	border-radius: var(--radius);
	padding: 28px;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
	border-color: var(--c-accent);
	transform: translateY(-3px);
}

.card__num {
	display: inline-block;
	font-size: 13px;
	font-weight: 700;
	color: var(--c-accent);
	letter-spacing: 0.08em;
	margin-bottom: 14px;
}

.card h3 {
	font-size: 19px;
	margin-bottom: 10px;
}

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

.reveal {
	opacity: 0;
	transform: translateY(14px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
	opacity: 1;
	transform: none;
}

/* ==========================================================================
   4. Header & navigation
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--c-white);
	border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	height: var(--header-h);
}

.site-brand {
	display: flex;
	align-items: center;
	gap: 12px;
	color: var(--c-primary);
	min-width: 0;
}

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

.site-brand__mark {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	border-radius: var(--radius);
	background: var(--c-primary);
	color: var(--c-white);
	font-size: 22px;
	font-weight: 700;
	flex-shrink: 0;
}

.site-brand__name {
	font-size: 18px;
	font-weight: 700;
	line-height: 1.2;
}

.site-brand__name small {
	display: block;
	font-size: 12px;
	font-weight: 400;
	color: var(--c-muted);
	letter-spacing: 0.04em;
}

.custom-logo-link img {
	max-height: 48px;
	width: auto;
}

.main-nav ul {
	display: flex;
	align-items: center;
	gap: 28px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.main-nav a {
	position: relative;
	display: inline-block;
	padding: 6px 0;
	color: var(--c-text);
	font-weight: 500;
}

.main-nav a::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0;
	height: 2px;
	background: var(--c-accent);
	transition: width 0.25s ease;
}

.main-nav a:hover::after,
.main-nav .current-menu-item > a::after,
.main-nav .current_page_item > a::after {
	width: 100%;
}

.header-cta {
	padding: 10px 18px;
	border-radius: var(--radius);
	background: var(--c-accent);
	color: var(--c-white);
	font-weight: 600;
	white-space: nowrap;
}

.header-cta:hover {
	background: var(--c-accent-dark);
	color: var(--c-white);
}

.nav-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border: 1px solid var(--c-line);
	border-radius: var(--radius);
	background: var(--c-white);
	color: var(--c-primary);
	cursor: pointer;
	font-size: 20px;
}

.nav-toggle__bars {
	display: block;
	width: 20px;
	height: 14px;
	background:
		linear-gradient(currentColor, currentColor) 0 0 / 100% 2px no-repeat,
		linear-gradient(currentColor, currentColor) 0 6px / 100% 2px no-repeat,
		linear-gradient(currentColor, currentColor) 0 12px / 100% 2px no-repeat;
}

/* ==========================================================================
   5. Hero module
   ========================================================================== */
.hero {
	position: relative;
	overflow: hidden;
	color: var(--c-white);
	background: var(--c-primary-dark);
}

.hero__bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
}

.hero__bg::after {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(15, 34, 51, 0.8);
}

.hero__inner {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: 1.25fr 0.75fr;
	gap: 56px;
	align-items: center;
	padding: 120px 0 104px;
}

.hero__eyebrow {
	display: inline-block;
	padding: 4px 14px;
	border: 1px solid rgba(249, 115, 22, 0.7);
	border-radius: 999px;
	font-size: 13px;
	letter-spacing: 0.04em;
	margin-bottom: 20px;
}

.hero h1 {
	color: var(--c-white);
	font-size: 46px;
	line-height: 1.22;
	margin-bottom: 20px;
}

.hero__lead {
	font-size: 17px;
	color: rgba(255, 255, 255, 0.86);
	max-width: 620px;
	margin-bottom: 32px;
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
}

.hero__panel {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: var(--radius);
	padding: 32px;
}

.facts {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 26px 20px;
	margin: 0;
}

.facts dt {
	font-size: 13px;
	color: rgba(255, 255, 255, 0.7);
}

.facts dd {
	margin: 0;
	font-size: 26px;
	font-weight: 700;
}

.facts dd span {
	font-size: 14px;
	font-weight: 400;
	margin-left: 2px;
}

/* ==========================================================================
   6. About module
   ========================================================================== */
.split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 64px;
	align-items: center;
}

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

.split__body p {
	color: var(--c-muted);
}

.check-list {
	list-style: none;
	padding: 0;
	margin: 24px 0 0;
}

.check-list li {
	position: relative;
	padding: 6px 0 6px 28px;
	border-bottom: 1px solid var(--c-line);
}

.check-list li::before {
	content: "";
	position: absolute;
	left: 2px;
	top: 14px;
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: var(--c-accent);
}

.certs {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 24px;
}

.certs span {
	padding: 8px 14px;
	border: 1px solid var(--c-primary);
	border-radius: 4px;
	color: var(--c-primary);
	font-size: 14px;
	font-weight: 600;
}

/* ==========================================================================
   7. Data module
   ========================================================================== */
.stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	background: var(--c-white);
	border: 1px solid var(--c-line);
	border-radius: var(--radius);
}

.stat {
	padding: 36px 28px;
	border-right: 1px solid var(--c-line);
}

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

.stat__num {
	font-size: 40px;
	font-weight: 700;
	color: var(--c-primary);
	line-height: 1.1;
	margin: 0;
}

.stat__num span {
	font-size: 18px;
	color: var(--c-accent);
	margin-left: 4px;
}

.stat__label {
	color: var(--c-muted);
	font-size: 14px;
	margin: 8px 0 0;
}

/* ==========================================================================
   8. Product & case modules
   ========================================================================== */
.media-card {
	background: var(--c-white);
	border: 1px solid var(--c-line);
	border-radius: var(--radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.media-card:hover {
	border-color: var(--c-accent);
	transform: translateY(-3px);
}

.media-card img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
}

.media-card__body {
	padding: 24px;
	flex: 1;
}

.media-card__body h3 {
	font-size: 19px;
	margin-bottom: 8px;
}

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

.tag {
	display: inline-block;
	margin-bottom: 12px;
	padding: 2px 10px;
	border-radius: 4px;
	background: #fff3e8;
	color: var(--c-accent-dark);
	font-size: 12px;
	font-weight: 600;
}

.spec {
	margin-top: 14px;
	padding-top: 14px;
	border-top: 1px dashed var(--c-line);
	font-size: 14px;
	color: var(--c-text);
}

.module__more {
	margin-top: 40px;
	text-align: center;
}

/* ==========================================================================
   9. News module
   ========================================================================== */
.news-item {
	display: block;
	padding: 28px;
	background: var(--c-white);
	border: 1px solid var(--c-line);
	border-radius: var(--radius);
	color: var(--c-text);
	transition: border-color 0.2s ease;
}

.news-item:hover {
	border-color: var(--c-accent);
	color: var(--c-text);
}

.news-item time {
	display: block;
	font-size: 13px;
	color: var(--c-muted);
	margin-bottom: 10px;
}

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

/* ==========================================================================
   10. FAQ module
   ========================================================================== */
.faq {
	max-width: 860px;
	margin: 0 auto;
}

.faq details {
	border-bottom: 1px solid var(--c-line);
	padding: 20px 0;
}

.faq summary {
	cursor: pointer;
	font-weight: 600;
	color: var(--c-primary);
	list-style: none;
	position: relative;
	padding-right: 36px;
}

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

.faq summary::after {
	content: "+";
	position: absolute;
	right: 0;
	top: -2px;
	font-size: 22px;
	color: var(--c-accent);
}

.faq details[open] summary::after {
	content: "−";
}

.faq details p {
	margin: 14px 0 0;
	color: var(--c-muted);
}

/* ==========================================================================
   11. CTA module
   ========================================================================== */
.cta {
	background: var(--c-primary);
	color: var(--c-white);
	padding: 64px 0;
}

.cta__inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 32px;
	flex-wrap: wrap;
}

.cta h2 {
	color: var(--c-white);
	font-size: 30px;
	margin: 0 0 8px;
}

.cta p {
	margin: 0;
	color: rgba(255, 255, 255, 0.85);
}

.cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
}

/* ==========================================================================
   12. Contact module & form
   ========================================================================== */
.contact-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.contact-list li {
	padding: 18px 0;
	border-bottom: 1px solid var(--c-line);
}

.contact-list strong {
	display: block;
	font-size: 13px;
	color: var(--c-muted);
	font-weight: 500;
}

.contact-list a,
.contact-list span {
	font-size: 18px;
	font-weight: 600;
	color: var(--c-primary);
}

.contact-form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 18px;
}

.contact-form .full {
	grid-column: 1 / -1;
}

.contact-form label {
	display: block;
	font-weight: 600;
	font-size: 14px;
	margin-bottom: 6px;
	color: var(--c-primary);
}

.contact-form input,
.contact-form textarea {
	width: 100%;
	padding: 12px 14px;
	border: 1px solid #c7d0d8;
	border-radius: 4px;
	font: inherit;
	color: var(--c-text);
	background: var(--c-white);
}

.contact-form textarea {
	min-height: 140px;
	resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
	border-color: var(--c-accent);
	outline: none;
	box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
}

.contact-form .btn {
	justify-self: start;
}

.notice {
	padding: 14px 18px;
	border-radius: 4px;
	margin-bottom: 20px;
	font-size: 15px;
}

.notice--ok {
	background: #e8f5ec;
	color: var(--c-success);
}

.notice--err {
	background: #fbeaea;
	color: var(--c-danger);
}

/* ==========================================================================
   13. Inner pages, posts & comments
   ========================================================================== */
.page-hero {
	background: var(--c-bg-alt);
	border-bottom: 1px solid var(--c-line);
	padding: 64px 0 56px;
}

.page-hero__title {
	font-size: 38px;
	margin: 12px 0 0;
}

.breadcrumb {
	font-size: 14px;
	color: var(--c-muted);
}

.breadcrumb a {
	color: var(--c-muted);
}

.content-narrow {
	max-width: 860px;
	margin: 0 auto;
}

.entry-content > * + * {
	margin-top: 1.2em;
}

.entry-content h2 {
	font-size: 26px;
	margin-top: 1.6em;
}

.entry-content h3 {
	font-size: 20px;
}

.entry-content ul,
.entry-content ol {
	padding-left: 1.4em;
}

.entry-content img {
	border-radius: var(--radius);
	margin-inline: auto;
}

.post-featured img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	border-radius: var(--radius);
	margin-bottom: 32px;
}

.entry-meta {
	font-size: 14px;
	color: var(--c-muted);
	margin-bottom: 24px;
}

.post-list {
	display: grid;
	gap: 24px;
}

.post-list .news-item h2 {
	font-size: 22px;
	margin: 0 0 8px;
}

.post-list .news-item p {
	color: var(--c-muted);
	margin: 0;
}

.pagination {
	margin-top: 48px;
	display: flex;
	justify-content: center;
	gap: 8px;
	flex-wrap: wrap;
}

.pagination .page-numbers {
	display: inline-block;
	min-width: 40px;
	padding: 8px 14px;
	border: 1px solid var(--c-line);
	border-radius: 4px;
	text-align: center;
	color: var(--c-primary);
}

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

.comments-area {
	margin-top: 64px;
	padding-top: 40px;
	border-top: 1px solid var(--c-line);
}

.comment-list {
	list-style: none;
	padding: 0;
}

.comment-body {
	padding: 20px 0;
	border-bottom: 1px solid var(--c-line);
}

.comment-form input,
.comment-form textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid #c7d0d8;
	border-radius: 4px;
	font: inherit;
}

.error-404 {
	text-align: center;
	padding: 120px 0;
}

.error-404 .error-code {
	font-size: 96px;
	font-weight: 700;
	color: var(--c-accent);
	line-height: 1;
	margin-bottom: 16px;
}

/* ==========================================================================
   14. Footer
   ========================================================================== */
.site-footer {
	background: var(--c-primary-dark);
	color: #b9c6d2;
	padding: 72px 0 28px;
	font-size: 14px;
}

.site-footer a {
	color: #dbe4ec;
}

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

.site-footer h2,
.site-footer .widget-title {
	color: var(--c-white);
	font-size: 16px;
	margin-bottom: 16px;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: 40px;
}

.footer-brand p {
	margin: 12px 0 0;
	max-width: 320px;
}

.footer-links {
	list-style: none;
	padding: 0;
	margin: 0;
	display: grid;
	gap: 10px;
}

.footer-contact p {
	margin: 0 0 10px;
}

.footer-bottom {
	margin-top: 48px;
	padding-top: 22px;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	display: flex;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	font-size: 13px;
}

.footer-bottom p {
	margin: 0;
}

/* ==========================================================================
   15. Responsive
   ========================================================================== */
@media (max-width: 1024px) {
	.grid--4 {
		grid-template-columns: repeat(2, 1fr);
	}

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

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

	.stat:nth-child(-n + 2) {
		border-bottom: 1px solid var(--c-line);
	}

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

@media (max-width: 960px) {
	.nav-toggle {
		display: inline-flex;
	}

	.main-nav {
		display: none;
		position: absolute;
		top: var(--header-h);
		left: 0;
		right: 0;
		background: var(--c-white);
		border-bottom: 1px solid var(--c-line);
		padding: 16px 4% 24px;
		box-shadow: 0 12px 24px rgba(15, 34, 51, 0.08);
	}

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

	.main-nav ul {
		flex-direction: column;
		align-items: flex-start;
		gap: 14px;
	}

	.header-cta {
		display: none;
	}

	.site-header {
		position: sticky;
	}

	.site-header__inner {
		position: relative;
	}
}

@media (max-width: 760px) {
	.module {
		padding: 60px 0;
	}

	.module__title {
		font-size: 26px;
	}

	.grid--3,
	.grid--2,
	.split,
	.contact-form {
		grid-template-columns: 1fr;
	}

	.hero__inner {
		grid-template-columns: 1fr;
		padding: 80px 0 64px;
		gap: 36px;
	}

	.hero h1 {
		font-size: 30px;
	}

	.page-hero__title {
		font-size: 28px;
	}

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

	.stat {
		border-right: 0;
		border-bottom: 1px solid var(--c-line);
	}

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

	.stat:nth-child(-n + 2) {
		border-bottom: 1px solid var(--c-line);
	}

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

	.cta h2 {
		font-size: 24px;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition: none !important;
		animation: none !important;
	}

	.reveal {
		opacity: 1;
		transform: none;
	}
}