/*
Theme Name: 济南简一环保科技 (Jianyi Minimal)
Theme URI: https://example.com/
Author: 苏简
Author URI: https://example.com/
Description: 为济南简一环保科技有限公司(虚构演示公司)设计的瑞士国际主义风格 WordPress 主题。口号:少即是净。文案克制,句子短。纯白底、黑色文字、唯一强调红 #e63329;严格 12 列网格,超大号标题与小号正文的极端对比;1px 细分隔线,无圆角、无阴影、无渐变;喷淋塔以极细单线 SVG 技术插画呈现。内置产品自定义文章类型(J1/J2/J3 PP喷淋塔,微风量治理),全站中文,完全自包含,无任何外链资源。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: jianyi-minimal
Tags: one-column, custom-logo, custom-menu, featured-images, translation-ready
*/

/* ============================================================
   0. 设计变量 — Swiss International Style
   ============================================================ */
:root {
	--bg: #ffffff;
	--ink: #111111;
	--muted: #555555;
	--faint: #999999;
	--red: #e63329;
	--line: #111111;
	--gap: 24px;
	--font: "Helvetica Neue", Helvetica, Arial, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
	--header-h: 72px;
}

/* ============================================================
   1. Reset / Base
   ============================================================ */
*,
*::before,
*::after {
	box-sizing: border-box;
	border-radius: 0 !important;
	box-shadow: none !important;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: 88px;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font);
	font-size: 15px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0;
	font-weight: 700;
	line-height: 1.2;
}

p {
	margin: 0 0 1.4em;
}

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

figure {
	margin: 0;
}

img {
	max-width: 100%;
	height: auto;
	filter: grayscale(1);
}

::selection {
	background: var(--red);
	color: #ffffff;
}

a {
	color: inherit;
	text-decoration: underline;
	text-decoration-color: var(--red);
	text-decoration-thickness: 1px;
	text-underline-offset: 4px;
}

a:hover {
	color: var(--red);
}

button,
input,
textarea,
select {
	font-family: inherit;
	font-size: inherit;
	color: inherit;
	-webkit-appearance: none;
	appearance: none;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	word-wrap: normal !important;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 999;
	background: var(--ink);
	color: #ffffff;
	padding: 10px 20px;
	text-decoration: none;
}

.skip-link:focus {
	left: 0;
	color: #ffffff;
}

/* ============================================================
   2. 布局 — 12 列网格
   ============================================================ */
.container {
	max-width: 1360px;
	margin: 0 auto;
	padding-left: clamp(20px, 4vw, 48px);
	padding-right: clamp(20px, 4vw, 48px);
}

.grid-12 {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
}

.section {
	padding: clamp(64px, 9vw, 120px) 0;
	border-top: 1px solid var(--line);
}

.hairline {
	border: 0;
	border-top: 1px solid var(--line);
	margin: 0;
}

.sq {
	display: inline-block;
	width: 10px;
	height: 10px;
	background: var(--red);
	flex: none;
}

.kicker {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 12px;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--ink);
}

/* 版块头部:红色序号 + 超大标题 + 右侧注释 */
.sec-head {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	align-items: end;
	margin-bottom: clamp(40px, 5vw, 72px);
}

.sec-no {
	grid-column: 1 / 2;
	color: var(--red);
	font-size: 15px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	padding-bottom: 10px;
}

.sec-title {
	grid-column: 2 / 9;
	font-size: clamp(40px, 6vw, 84px);
	line-height: 1.04;
	letter-spacing: -0.02em;
}

.sec-aside {
	grid-column: 9 / 13;
	font-size: 13px;
	color: var(--muted);
	padding-bottom: 10px;
	justify-self: end;
	text-align: right;
}

.sec-aside a {
	text-decoration: none;
	border-bottom: 1px solid var(--red);
	padding-bottom: 2px;
}

/* ============================================================
   3. 按钮
   ============================================================ */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	border: 1px solid var(--ink);
	background: transparent;
	color: var(--ink);
	padding: 14px 28px;
	font-size: 14px;
	letter-spacing: 0.06em;
	text-decoration: none;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.btn .sq {
	width: 8px;
	height: 8px;
}

.btn:hover {
	background: var(--ink);
	color: #ffffff;
}

.btn-solid {
	background: var(--ink);
	color: #ffffff;
}

.btn-solid:hover {
	background: var(--red);
	border-color: var(--red);
	color: #ffffff;
}

/* ============================================================
   4. 页头 / 导航
   ============================================================ */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--bg);
	border-bottom: 1px solid var(--line);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--header-h);
	transition: height 0.25s ease;
}

.site-header.is-scrolled .header-inner {
	height: 56px;
}

.site-branding {
	display: flex;
	align-items: center;
	min-width: 0;
}

.site-logo-text {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 17px;
	font-weight: 700;
	letter-spacing: 0.03em;
	text-decoration: none;
	white-space: nowrap;
}

.site-logo-text:hover {
	color: var(--ink);
}

.logo-mark {
	display: inline-block;
	width: 12px;
	height: 12px;
	background: var(--red);
	flex: none;
}

.logo-en {
	font-size: 10px;
	letter-spacing: 0.22em;
	color: var(--faint);
	font-weight: 400;
	margin-left: 4px;
}

.custom-logo-link img {
	max-height: 40px;
	width: auto;
	filter: grayscale(1);
}

.site-nav .menu {
	display: flex;
	gap: clamp(18px, 2.4vw, 36px);
	list-style: none;
	counter-reset: navnum;
}

.site-nav .menu li {
	counter-increment: navnum;
}

.site-nav .menu a {
	display: inline-block;
	font-size: 14px;
	text-decoration: none;
	padding: 4px 0;
	border-bottom: 1px solid transparent;
	transition: border-color 0.2s ease;
}

.site-nav .menu a:hover,
.site-nav .menu .current-menu-item > a,
.site-nav .menu .current_page_item > a {
	color: var(--ink);
	border-bottom-color: var(--red);
}

/* 汉堡按钮:三条 1px 细线 */
.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 6px;
	width: 44px;
	height: 44px;
	padding: 10px;
	background: transparent;
	border: 1px solid var(--ink);
	cursor: pointer;
}

.nav-toggle span {
	display: block;
	width: 100%;
	height: 1px;
	background: var(--ink);
	transition: transform 0.25s ease, opacity 0.2s ease;
}

body.nav-open .nav-toggle span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
	opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   5. 首页 Hero
   ============================================================ */
.hero {
	padding: clamp(56px, 8vw, 110px) 0 clamp(40px, 5vw, 72px);
}

.hero-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	align-items: start;
}

.hero-copy {
	grid-column: 1 / 8;
}

.hero-title {
	font-size: clamp(56px, 8.6vw, 148px);
	line-height: 1.02;
	letter-spacing: -0.03em;
	margin: 28px 0 32px;
}

.hero-title .red {
	color: var(--red);
}

.hero-lead {
	max-width: 560px;
	font-size: 15px;
	color: var(--muted);
	margin-bottom: 40px;
}

.hero-actions {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
}

.hero-art {
	grid-column: 8 / 13;
	justify-self: end;
	width: 100%;
	max-width: 440px;
}

.tower-svg {
	display: block;
	width: 100%;
	height: auto;
}

/* Hero 数据行 */
.stat-row {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--line);
	margin-top: clamp(48px, 6vw, 88px);
}

.stat {
	padding: 24px 20px 8px 0;
	border-left: 1px solid var(--line);
	padding-left: 20px;
}

.stat:first-child {
	border-left: 0;
	padding-left: 0;
}

.stat-num {
	font-size: clamp(28px, 3.4vw, 48px);
	font-weight: 700;
	line-height: 1.1;
	letter-spacing: -0.02em;
	font-variant-numeric: tabular-nums;
}

.stat-num small {
	font-size: 0.45em;
	font-weight: 400;
	margin-left: 2px;
}

.stat-label {
	font-size: 12px;
	color: var(--muted);
	margin-top: 6px;
}

/* ============================================================
   6. 产品中心 — 巨大序号表格式行
   ============================================================ */
.product-index {
	border-bottom: 1px solid var(--line);
}

.product-row {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	align-items: center;
	padding: clamp(24px, 3vw, 40px) 0;
	border-top: 1px solid var(--line);
	text-decoration: none;
	cursor: pointer;
}

.p-num {
	grid-column: 1 / 3;
	font-size: clamp(44px, 6vw, 92px);
	font-weight: 700;
	line-height: 1;
	letter-spacing: -0.03em;
	font-variant-numeric: tabular-nums;
	transition: color 0.15s ease;
}

.p-main {
	grid-column: 3 / 8;
	min-width: 0;
}

.p-name {
	font-size: clamp(20px, 2.6vw, 34px);
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: -0.01em;
	transition: color 0.15s ease;
}

.p-sub {
	font-size: 12px;
	letter-spacing: 0.12em;
	color: var(--muted);
	margin-top: 6px;
	transition: color 0.15s ease;
}

.p-desc {
	grid-column: 8 / 12;
	font-size: 13px;
	line-height: 1.8;
	color: var(--muted);
	transition: color 0.15s ease;
}

.p-arrow {
	grid-column: 12 / 13;
	justify-self: end;
	font-size: clamp(20px, 2.2vw, 30px);
	line-height: 1;
	transition: color 0.15s ease, transform 0.2s ease;
}

/* hover 整行变红 */
.product-row:hover .p-num,
.product-row:hover .p-name,
.product-row:hover .p-sub,
.product-row:hover .p-desc,
.product-row:hover .p-arrow {
	color: var(--red);
}

.product-row:hover .p-arrow {
	transform: translateX(6px);
}

.demo-note {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 12px;
	color: var(--muted);
	margin-top: 20px;
}

.demo-note .sq {
	width: 8px;
	height: 8px;
}

/* ============================================================
   7. 材质与工艺
   ============================================================ */
.material-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	row-gap: 40px;
}

.material-lead {
	grid-column: 1 / 7;
	font-size: clamp(22px, 2.8vw, 36px);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: -0.01em;
}

.material-lead .red {
	color: var(--red);
}

.material-body {
	grid-column: 7 / 13;
	font-size: 14px;
	color: var(--muted);
}

.material-body strong {
	color: var(--ink);
}

.advantage-list {
	grid-column: 1 / 13;
	list-style: none;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--line);
	border-left: 1px solid var(--line);
}

.advantage-list li {
	border-right: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
	padding: 28px 24px 32px;
}

.adv-no {
	color: var(--red);
	font-size: 13px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.adv-title {
	font-size: 19px;
	font-weight: 700;
	margin: 14px 0 10px;
}

.adv-desc {
	font-size: 13px;
	line-height: 1.8;
	color: var(--muted);
}

/* 工作原理四步 */
.principle {
	grid-column: 1 / 13;
	margin-top: 8px;
}

.principle-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 24px;
	margin-bottom: 24px;
}

.principle-head h3 {
	font-size: 22px;
	letter-spacing: -0.01em;
}

.principle-head span {
	font-size: 12px;
	color: var(--muted);
}

.steps {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--line);
}

.step {
	border-left: 1px solid var(--line);
	padding: 24px 20px 8px;
}

.step:first-child {
	border-left: 0;
	padding-left: 0;
}

.step-no {
	color: var(--red);
	font-size: 22px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.step-title {
	font-size: 16px;
	font-weight: 700;
	margin: 10px 0 6px;
}

.step-desc {
	font-size: 12.5px;
	line-height: 1.8;
	color: var(--muted);
}

/* ============================================================
   8. 应用行业
   ============================================================ */
.industry-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--line);
	border-left: 1px solid var(--line);
	list-style: none;
}

.industry-grid li {
	border-right: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
	padding: 24px;
	min-height: 150px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	transition: background 0.2s ease;
}

.industry-grid li:hover {
	background: #f6f6f6;
}

.ind-no {
	color: var(--red);
	font-size: 12px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.ind-name {
	font-size: 18px;
	font-weight: 700;
	margin-top: 24px;
}

.ind-tip {
	font-size: 12px;
	color: var(--muted);
	margin-top: 4px;
}

/* ============================================================
   9. 工程案例
   ============================================================ */
.case-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--gap);
}

.case-card {
	border: 1px solid var(--line);
	display: flex;
	flex-direction: column;
}

.case-figure {
	border-bottom: 1px solid var(--line);
}

.ph-svg {
	display: block;
	width: 100%;
	height: auto;
}

.case-body {
	padding: 24px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	flex: 1;
}

.case-meta {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	font-size: 12px;
	color: var(--muted);
}

.case-meta .case-no {
	color: var(--red);
	font-weight: 700;
}

.case-title {
	font-size: 20px;
	line-height: 1.4;
	letter-spacing: -0.01em;
}

.case-data {
	list-style: none;
	border-top: 1px solid var(--line);
	margin-top: auto;
}

.case-data li {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	font-size: 12.5px;
	padding: 8px 0;
	border-bottom: 1px solid #e2e2e2;
}

.case-data li:last-child {
	border-bottom: 0;
}

.case-data .k {
	color: var(--muted);
}

.case-data .v {
	font-variant-numeric: tabular-nums;
	text-align: right;
}

/* ============================================================
   10. 新闻动态
   ============================================================ */
.news-list {
	border-bottom: 1px solid var(--line);
}

.entry-row {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	align-items: baseline;
	padding: 28px 0;
	border-top: 1px solid var(--line);
	text-decoration: none;
}

.entry-date {
	grid-column: 1 / 3;
	font-size: 13px;
	color: var(--muted);
	font-variant-numeric: tabular-nums;
	transition: color 0.15s ease;
}

.entry-main {
	grid-column: 3 / 11;
	min-width: 0;
}

.entry-title {
	font-size: clamp(18px, 2.2vw, 28px);
	font-weight: 700;
	line-height: 1.35;
	letter-spacing: -0.01em;
	transition: color 0.15s ease;
}

.entry-excerpt {
	font-size: 13px;
	color: var(--muted);
	margin: 8px 0 0;
	transition: color 0.15s ease;
}

.entry-arrow {
	grid-column: 11 / 13;
	justify-self: end;
	font-size: 22px;
	transition: color 0.15s ease, transform 0.2s ease;
}

.entry-row:hover .entry-date,
.entry-row:hover .entry-title,
.entry-row:hover .entry-excerpt,
.entry-row:hover .entry-arrow {
	color: var(--red);
}

.entry-row:hover .entry-arrow {
	transform: translateX(6px);
}

/* ============================================================
   11. 关于我们 / 联系 CTA
   ============================================================ */
.about-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	row-gap: 40px;
}

.about-statement {
	grid-column: 1 / 7;
	font-size: clamp(20px, 2.6vw, 32px);
	font-weight: 700;
	line-height: 1.5;
	letter-spacing: -0.01em;
}

.about-body {
	grid-column: 7 / 13;
	font-size: 14px;
	color: var(--muted);
}

.about-facts {
	grid-column: 1 / 13;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	border-top: 1px solid var(--line);
}

.fact {
	border-left: 1px solid var(--line);
	padding: 20px 0 0 20px;
}

.fact:first-child {
	border-left: 0;
	padding-left: 0;
}

.fact-num {
	font-size: clamp(26px, 3vw, 42px);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.02em;
}

.fact-num small {
	font-size: 0.45em;
	font-weight: 400;
}

.fact-label {
	font-size: 12px;
	color: var(--muted);
	margin-top: 4px;
}

.contact-cta .cta-title {
	font-size: clamp(44px, 7vw, 110px);
	line-height: 1.05;
	letter-spacing: -0.03em;
	margin-bottom: clamp(36px, 5vw, 64px);
}

.contact-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--line);
	margin-bottom: 48px;
}

.contact-cell {
	border-left: 1px solid var(--line);
	padding: 24px 20px 0;
}

.contact-cell:first-child {
	border-left: 0;
	padding-left: 0;
}

.contact-k {
	font-size: 12px;
	letter-spacing: 0.15em;
	color: var(--muted);
}

.contact-v {
	font-size: clamp(15px, 1.6vw, 20px);
	font-weight: 700;
	margin-top: 10px;
	font-variant-numeric: tabular-nums;
	word-break: break-all;
}

.contact-v a {
	text-decoration: none;
}

.contact-v a:hover {
	color: var(--red);
}

/* ============================================================
   12. 页脚 — 大字排版
   ============================================================ */
.site-footer {
	border-top: 1px solid var(--line);
	padding: clamp(56px, 8vw, 96px) 0 28px;
	overflow: hidden;
}

.footer-wordmark {
	font-size: clamp(60px, 13.5vw, 224px);
	font-weight: 700;
	line-height: 0.98;
	letter-spacing: -0.04em;
	user-select: none;
}

.footer-wordmark .dot {
	color: var(--red);
}

.footer-wordmark-en {
	font-size: clamp(11px, 1.4vw, 15px);
	letter-spacing: 0.42em;
	color: var(--faint);
	margin-top: 16px;
	text-transform: uppercase;
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	row-gap: 36px;
	border-top: 1px solid var(--line);
	margin-top: clamp(40px, 6vw, 72px);
	padding-top: 40px;
}

.footer-col h4 {
	font-size: 12px;
	font-weight: 400;
	letter-spacing: 0.2em;
	color: var(--muted);
	margin-bottom: 16px;
}

.footer-col-contact { grid-column: 1 / 5; }
.footer-col-nav     { grid-column: 5 / 8; }
.footer-col-product { grid-column: 8 / 11; }
.footer-col-note    { grid-column: 11 / 13; }

.footer-col ul {
	list-style: none;
}

.footer-col li {
	font-size: 13.5px;
	line-height: 1.6;
	margin-bottom: 10px;
}

.footer-col a {
	text-decoration: none;
}

.footer-col a:hover {
	color: var(--red);
	text-decoration: underline;
	text-decoration-color: var(--red);
}

.footer-col .menu {
	display: block;
}

.footer-col .menu li {
	margin-bottom: 10px;
}

.footer-supplier {
	font-size: 12.5px;
	color: var(--muted);
	line-height: 1.9;
}

.footer-supplier strong {
	color: var(--ink);
}

.footer-bottom {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	border-top: 1px solid var(--line);
	margin-top: 40px;
	padding-top: 20px;
	font-size: 12px;
	color: var(--muted);
}

/* 页脚小部件条 */
.widget-strip {
	border-top: 1px solid var(--line);
	padding: 48px 0;
}

.widget-strip .widgets {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--gap);
}

.widget {
	font-size: 13.5px;
}

.widget-title {
	font-size: 12px;
	font-weight: 400;
	letter-spacing: 0.2em;
	color: var(--muted);
	margin-bottom: 14px;
}

.widget ul {
	list-style: none;
}

.widget li {
	padding: 6px 0;
	border-bottom: 1px solid #e2e2e2;
}

/* ============================================================
   13. 内页通用
   ============================================================ */
.page-hero {
	padding: clamp(48px, 7vw, 96px) 0 clamp(32px, 4vw, 56px);
	border-bottom: 1px solid var(--line);
}

.page-title {
	font-size: clamp(44px, 7.5vw, 112px);
	line-height: 1.02;
	letter-spacing: -0.03em;
	margin-top: 20px;
}

.page-desc {
	max-width: 640px;
	font-size: 14px;
	color: var(--muted);
	margin-top: 24px;
	margin-bottom: 0;
}

.content-area {
	padding: clamp(40px, 6vw, 80px) 0;
}

.prose {
	max-width: 760px;
	font-size: 16px;
	line-height: 1.95;
}

.prose > *:first-child {
	margin-top: 0;
}

.prose h2 {
	font-size: 28px;
	letter-spacing: -0.01em;
	border-top: 1px solid var(--line);
	padding-top: 0.9em;
	margin: 2em 0 0.8em;
}

.prose h3 {
	font-size: 21px;
	margin: 1.8em 0 0.7em;
}

.prose ul,
.prose ol {
	padding-left: 1.5em;
	margin-bottom: 1.4em;
}

.prose li {
	margin-bottom: 0.4em;
}

.prose blockquote {
	margin: 1.6em 0;
	padding-left: 20px;
	border-left: 2px solid var(--red);
	color: var(--muted);
}

.prose table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
	margin-bottom: 1.6em;
}

.prose th,
.prose td {
	border: 1px solid var(--line);
	padding: 10px 12px;
	text-align: left;
}

.prose code {
	background: #f2f2f2;
	padding: 2px 6px;
	font-size: 0.9em;
}

.prose .wp-block-image,
.prose figure {
	margin: 1.8em 0;
}

.prose figcaption {
	font-size: 12px;
	color: var(--muted);
	margin-top: 8px;
}

.entry-meta {
	display: flex;
	align-items: center;
	gap: 20px;
	flex-wrap: wrap;
	font-size: 13px;
	color: var(--muted);
	font-variant-numeric: tabular-nums;
}

.entry-meta .sq {
	width: 8px;
	height: 8px;
}

.entry-tags {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 40px;
}

.entry-tags a {
	font-size: 12px;
	border: 1px solid var(--line);
	padding: 6px 14px;
	text-decoration: none;
}

.entry-tags a:hover {
	background: var(--ink);
	color: #ffffff;
}

/* 上一篇 / 下一篇 */
.post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	border: 1px solid var(--line);
	margin-top: clamp(48px, 6vw, 80px);
}

.post-nav a,
.post-nav .post-nav-empty {
	display: block;
	padding: 24px;
	text-decoration: none;
	min-height: 110px;
}

.post-nav .post-nav-next {
	border-left: 1px solid var(--line);
	text-align: right;
}

.post-nav .nav-label {
	font-size: 12px;
	color: var(--muted);
	display: block;
	margin-bottom: 8px;
}

.post-nav .nav-title {
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
}

.post-nav a:hover .nav-title {
	color: var(--red);
}

/* 分页 */
.pagination {
	margin-top: 48px;
}

.pagination .nav-links {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding: 0 12px;
	border: 1px solid var(--line);
	font-size: 14px;
	text-decoration: none;
	font-variant-numeric: tabular-nums;
}

.pagination .page-numbers.current {
	background: var(--ink);
	color: #ffffff;
}

.pagination .page-numbers:hover {
	color: var(--red);
	border-color: var(--red);
}

/* 空状态 */
.no-results {
	padding: clamp(48px, 8vw, 96px) 0;
}

.no-results h2 {
	font-size: clamp(28px, 4vw, 48px);
	letter-spacing: -0.02em;
	margin-bottom: 20px;
}

.no-results p {
	color: var(--muted);
	max-width: 560px;
}

/* ============================================================
   14. 搜索表单 / 404
   ============================================================ */
.search-form {
	display: flex;
	max-width: 560px;
	border: 1px solid var(--line);
}

.search-field {
	flex: 1;
	min-width: 0;
	border: 0;
	background: var(--bg);
	padding: 14px 16px;
	font-size: 14px;
	outline: none;
}

.search-field:focus {
	outline: 1px solid var(--red);
	outline-offset: -4px;
}

.search-submit {
	border: 0;
	border-left: 1px solid var(--line);
	background: var(--bg);
	padding: 0 28px;
	font-size: 14px;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
}

.search-submit:hover {
	background: var(--ink);
	color: #ffffff;
}

.error-404 {
	padding: clamp(64px, 10vw, 140px) 0;
}

.big-404 {
	font-size: clamp(120px, 28vw, 340px);
	font-weight: 700;
	line-height: 0.95;
	letter-spacing: -0.05em;
	display: flex;
	align-items: flex-end;
	gap: 20px;
}

.big-404 .sq {
	width: clamp(20px, 4vw, 48px);
	height: clamp(20px, 4vw, 48px);
	margin-bottom: clamp(12px, 3vw, 36px);
}

.error-404 .error-text {
	max-width: 520px;
	color: var(--muted);
	margin: 32px 0;
}

.error-actions {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
	margin-bottom: 40px;
}

/* ============================================================
   15. 产品档案 / 产品详情
   ============================================================ */
.product-single {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	column-gap: var(--gap);
	row-gap: 48px;
	padding: clamp(40px, 6vw, 80px) 0;
}

.product-main {
	grid-column: 1 / 8;
	min-width: 0;
}

.product-side {
	grid-column: 8 / 13;
}

.back-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	text-decoration: none;
	margin-bottom: 8px;
}

.back-link:hover {
	color: var(--red);
}

.product-terms {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 20px;
}

.product-terms a,
.product-terms span {
	font-size: 12px;
	border: 1px solid var(--line);
	padding: 5px 12px;
	text-decoration: none;
}

.spec-block {
	margin-top: 48px;
}

.spec-block h2 {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 22px;
	margin-bottom: 20px;
}

.spec-table {
	width: 100%;
	border-collapse: collapse;
	border-bottom: 1px solid var(--line);
	font-size: 14px;
}

.spec-table th,
.spec-table td {
	border-top: 1px solid var(--line);
	padding: 13px 8px;
	text-align: left;
	vertical-align: top;
}

.spec-table th {
	width: 36%;
	font-weight: 400;
	color: var(--muted);
}

.spec-table td {
	font-variant-numeric: tabular-nums;
}

.spec-footnote {
	font-size: 12px;
	color: var(--faint);
	margin-top: 12px;
}

.product-figure {
	border: 1px solid var(--line);
	margin-bottom: 32px;
}

.product-figure img {
	display: block;
	width: 100%;
	filter: grayscale(1);
}

.inquiry-box {
	border: 1px solid var(--line);
	padding: 28px;
}

.inquiry-box h3 {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 20px;
	margin-bottom: 16px;
}

.inquiry-box p {
	font-size: 13px;
	color: var(--muted);
	margin-bottom: 20px;
}

.inquiry-lines {
	list-style: none;
	border-top: 1px solid var(--line);
	margin-bottom: 24px;
}

.inquiry-lines li {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 0;
	border-bottom: 1px solid #e2e2e2;
	font-size: 13.5px;
}

.inquiry-lines .k {
	color: var(--muted);
	flex: none;
}

.inquiry-lines .v {
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	text-align: right;
	word-break: break-all;
}

.related-block {
	border-top: 1px solid var(--line);
	padding: clamp(48px, 6vw, 80px) 0;
}

.related-block .sec-title {
	font-size: clamp(30px, 4vw, 56px);
}

/* ============================================================
   16. 滚动入场动画
   ============================================================ */
html.js .reveal {
	opacity: 0;
	transform: translateY(26px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	html.js .reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}
	.product-row:hover .p-arrow,
	.entry-row:hover .entry-arrow {
		transform: none;
	}
}

/* ============================================================
   17. 响应式
   ============================================================ */
@media (max-width: 1024px) {
	.hero-copy { grid-column: 1 / 13; }
	.hero-art {
		grid-column: 1 / 13;
		justify-self: start;
		max-width: 360px;
		margin-top: 40px;
	}
	.sec-title { grid-column: 2 / 13; }
	.sec-aside {
		grid-column: 2 / 13;
		justify-self: start;
		text-align: left;
		margin-top: 12px;
	}
	.material-lead,
	.material-body,
	.about-statement,
	.about-body { grid-column: 1 / 13; }
	.advantage-list { grid-template-columns: repeat(2, 1fr); }
	.industry-grid { grid-template-columns: repeat(2, 1fr); }
	.case-grid { grid-template-columns: 1fr 1fr; }
	.product-single .product-main,
	.product-single .product-side { grid-column: 1 / 13; }
	.footer-col-contact { grid-column: 1 / 7; }
	.footer-col-nav { grid-column: 7 / 13; }
	.footer-col-product { grid-column: 1 / 7; }
	.footer-col-note { grid-column: 7 / 13; }
}

@media (max-width: 768px) {
	:root {
		--header-h: 60px;
		--gap: 16px;
	}

	/* 汉堡导航:全屏白色覆盖层,大字号编号菜单 */
	.nav-toggle {
		display: flex;
	}

	.site-nav {
		position: fixed;
		top: var(--header-h);
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--bg);
		display: none;
		overflow-y: auto;
		z-index: 99;
	}

	body.nav-open .site-nav {
		display: block;
	}

	body.nav-open {
		overflow: hidden;
	}

	.site-nav .menu {
		display: block;
		padding: 8px clamp(20px, 4vw, 48px) 48px;
	}

	.site-nav .menu li {
		border-bottom: 1px solid var(--line);
	}

	.site-nav .menu li::before {
		content: counter(navnum, decimal-leading-zero);
		display: block;
		color: var(--red);
		font-size: 12px;
		font-weight: 700;
		padding-top: 18px;
	}

	.site-nav .menu a {
		display: block;
		font-size: clamp(28px, 8vw, 40px);
		font-weight: 700;
		letter-spacing: -0.02em;
		padding: 2px 0 18px;
		border-bottom: 0;
	}

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

	.stat,
	.contact-cell {
		border-left: 0;
		padding-left: 0;
		border-top: 1px solid #e2e2e2;
	}

	.stat:first-child,
	.stat:nth-child(2),
	.contact-cell:first-child,
	.contact-cell:nth-child(2) {
		border-top: 0;
	}

	.product-row {
		grid-template-columns: auto 1fr auto;
		column-gap: 16px;
	}

	.p-num { grid-column: 1; font-size: 36px; }
	.p-main { grid-column: 2; }
	.p-desc { display: none; }
	.p-arrow { grid-column: 3; }

	.entry-row {
		grid-template-columns: 1fr auto;
		row-gap: 6px;
	}

	.entry-date { grid-column: 1 / 3; }
	.entry-main { grid-column: 1; }
	.entry-arrow { grid-column: 2; align-self: end; }

	.advantage-list,
	.industry-grid { grid-template-columns: 1fr 1fr; }
	.case-grid { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr 1fr; }
	.step { padding: 20px 12px 8px; }
	.step:nth-child(odd) { border-left: 0; padding-left: 0; }
	.about-facts { grid-template-columns: 1fr; }
	.fact { border-left: 0; padding-left: 0; border-top: 1px solid #e2e2e2; padding-top: 16px; margin-top: 16px; }
	.fact:first-child { border-top: 0; margin-top: 0; }
	.widget-strip .widgets { grid-template-columns: 1fr; }
	.footer-col-contact,
	.footer-col-nav,
	.footer-col-product,
	.footer-col-note { grid-column: 1 / 13; }
	.post-nav { grid-template-columns: 1fr; }
	.post-nav .post-nav-next { border-left: 0; border-top: 1px solid var(--line); text-align: left; }
}

@media (max-width: 480px) {
	.advantage-list,
	.industry-grid { grid-template-columns: 1fr; }
	.stat-row,
	.contact-grid { grid-template-columns: 1fr; }
	.stat,
	.contact-cell { border-top: 1px solid #e2e2e2; }
	.stat:first-child,
	.contact-cell:first-child { border-top: 0; }
	.stat:nth-child(2),
	.contact-cell:nth-child(2) { border-top: 1px solid #e2e2e2; }
}

/* WordPress 核心必需类 */
.alignleft { float: left; margin: 0 24px 16px 0; }
.alignright { float: right; margin: 0 0 16px 24px; }
.aligncenter { display: block; margin: 0 auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 12px; color: var(--muted); }
.sticky { display: block; }
.gallery-caption { font-size: 12px; }
.bypostauthor { display: block; }