/*
Theme Name: Eco Industrial 环保工业风
Theme URI: https://example.com/themes/eco-industrial
Author: Chengdu Eco Themes
Author URI: https://example.com
Description: 工业深色风环保设备主题。深灰黑背景配橙色强调色，直角硬朗线条、网格纹理首屏、大图设备卡片与醒目的参数表格样式，适合主打工业客户、强调设备性能与技术参数的环保设备代理商。内置"产品设备"自定义文章类型与设备分类法。
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: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: eco-industrial
Tags: dark, industrial, orange, one-column, custom-menu, custom-logo, featured-images
*/

/* ===== 变量与基础 ===== */
:root {
	--ei-bg: #14181d;
	--ei-bg-deep: #0e1116;
	--ei-panel: #1b2129;
	--ei-panel-2: #222a34;
	--ei-line: rgba(255, 255, 255, 0.09);
	--ei-text: #d7dde3;
	--ei-muted: #8b96a3;
	--ei-accent: #ff7a1a;
	--ei-accent-hover: #ff9142;
	--ei-heading: #f2f5f8;
	--ei-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", -apple-system, "Segoe UI", sans-serif;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--ei-font);
	font-size: 16px;
	line-height: 1.8;
	color: var(--ei-text);
	background: var(--ei-bg);
	-webkit-font-smoothing: antialiased;
}

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

a {
	color: var(--ei-text);
	text-decoration: none;
	transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
	color: var(--ei-heading);
	line-height: 1.3;
	margin: 0 0 0.55em;
	font-weight: 700;
}

p {
	margin: 0 0 1em;
}

.shell {
	width: 100%;
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 24px;
}

.zone {
	padding: 80px 0;
}

.zone-deep {
	background: var(--ei-bg-deep);
	border-top: 1px solid var(--ei-line);
	border-bottom: 1px solid var(--ei-line);
}

/* 区块标题：编号 + 横线 */
.zone-head {
	display: flex;
	align-items: baseline;
	gap: 20px;
	margin-bottom: 44px;
	border-bottom: 1px solid var(--ei-line);
	padding-bottom: 20px;
}

.zone-label {
	font-size: 12px;
	letter-spacing: 0.3em;
	color: var(--ei-accent);
	font-weight: 700;
	white-space: nowrap;
}

.zone-title {
	font-size: 30px;
	margin: 0;
}

.zone-desc {
	margin-left: auto;
	color: var(--ei-muted);
	font-size: 14px;
	max-width: 380px;
	text-align: right;
}

/* 无障碍 */
.screen-reader-text {
	border: 0;
	clip-path: inset(50%);
	height: 1px;
	width: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
}

.skip-link {
	position: absolute;
	left: -9999px;
	background: var(--ei-accent);
	color: #14181d;
	padding: 8px 16px;
	z-index: 999;
}

.skip-link:focus {
	left: 0;
	top: 0;
	clip-path: none;
	width: auto;
	height: auto;
}

/* ===== 按钮 ===== */
.btn {
	display: inline-block;
	padding: 13px 30px;
	background: var(--ei-accent);
	color: #14181d;
	font-size: 15px;
	font-weight: 700;
	border: 2px solid var(--ei-accent);
	cursor: pointer;
	transition: all 0.2s ease;
	letter-spacing: 0.04em;
}

.btn:hover {
	background: var(--ei-accent-hover);
	border-color: var(--ei-accent-hover);
	color: #14181d;
}

.btn-line {
	background: transparent;
	color: var(--ei-text);
	border-color: rgba(255, 255, 255, 0.28);
}

.btn-line:hover {
	border-color: var(--ei-accent);
	color: var(--ei-accent);
	background: transparent;
}

/* ===== 顶栏与页头 ===== */
.topline {
	background: var(--ei-bg-deep);
	border-bottom: 1px solid var(--ei-line);
	font-size: 13px;
	color: var(--ei-muted);
}

.topline-inner {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	min-height: 34px;
	align-items: center;
	flex-wrap: wrap;
}

.topline .hot {
	color: var(--ei-accent);
	font-weight: 700;
}

.site-header {
	background: rgba(20, 24, 29, 0.96);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--ei-line);
	position: sticky;
	top: 0;
	z-index: 100;
}

.site-header.is-stuck {
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 74px;
	gap: 24px;
}

.site-branding .custom-logo {
	max-height: 48px;
	width: auto;
}

.site-logo-text {
	display: flex;
	align-items: center;
	gap: 12px;
}

.logo-mark {
	width: 42px;
	height: 42px;
	background: var(--ei-accent);
	color: #14181d;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-weight: 800;
	font-size: 20px;
	flex: none;
}

.logo-words {
	line-height: 1.3;
}

.site-title {
	display: block;
	font-size: 19px;
	font-weight: 700;
	color: var(--ei-heading);
	letter-spacing: 0.04em;
}

.site-desc {
	display: block;
	font-size: 11px;
	color: var(--ei-muted);
	letter-spacing: 0.2em;
}

.main-navigation ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 6px;
}

.main-navigation li {
	position: relative;
}

.main-navigation a {
	display: block;
	padding: 25px 15px;
	font-size: 15px;
	color: var(--ei-text);
	font-weight: 500;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
	color: var(--ei-accent);
	box-shadow: inset 0 -2px 0 var(--ei-accent);
}

.main-navigation ul ul {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 190px;
	background: var(--ei-panel);
	border: 1px solid var(--ei-line);
	display: none;
	flex-direction: column;
	gap: 0;
	z-index: 110;
}

.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul {
	display: flex;
}

.main-navigation ul ul a {
	padding: 11px 18px;
	box-shadow: none;
	font-size: 14px;
}

.menu-toggle {
	display: none;
	background: none;
	border: 1px solid var(--ei-line);
	padding: 10px;
	cursor: pointer;
}

.menu-toggle-bar {
	display: block;
	width: 22px;
	height: 2px;
	background: var(--ei-text);
	margin: 4px 0;
}

/* ===== 首屏 ===== */
.hero {
	position: relative;
	padding: 110px 0 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
	background-size: 56px 56px;
	border-bottom: 1px solid var(--ei-line);
	overflow: hidden;
}

.hero::after {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse at 20% 0%, rgba(255, 122, 26, 0.14), transparent 55%);
	pointer-events: none;
}

.hero-inner {
	position: relative;
	z-index: 1;
	max-width: 860px;
}

.hero-label {
	display: inline-block;
	font-size: 12px;
	letter-spacing: 0.4em;
	color: var(--ei-accent);
	font-weight: 700;
	border: 1px solid rgba(255, 122, 26, 0.4);
	padding: 6px 14px;
	margin-bottom: 26px;
}

.hero-title {
	font-size: 52px;
	line-height: 1.18;
	margin-bottom: 22px;
}

.hero-title::after {
	content: "";
	display: block;
	width: 76px;
	height: 5px;
	background: var(--ei-accent);
	margin-top: 26px;
}

.hero-text {
	font-size: 17px;
	color: var(--ei-muted);
	max-width: 620px;
	margin-bottom: 38px;
}

.hero-actions {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
	margin-bottom: 84px;
}

.hero-stats {
	position: relative;
	z-index: 1;
	border-top: 1px solid var(--ei-line);
	display: grid;
	grid-template-columns: repeat(4, 1fr);
}

.hero-stat {
	padding: 26px 24px;
	border-right: 1px solid var(--ei-line);
}

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

.hero-stat .num {
	font-size: 34px;
	font-weight: 800;
	color: var(--ei-heading);
	line-height: 1.2;
}

.hero-stat .num i {
	font-style: normal;
	color: var(--ei-accent);
	font-size: 16px;
	margin-left: 2px;
}

.hero-stat .label {
	font-size: 13px;
	color: var(--ei-muted);
	letter-spacing: 0.08em;
}

/* ===== 治理领域 ===== */
.field-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.field-tile {
	position: relative;
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	padding: 30px 26px 26px;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.field-tile:hover {
	border-color: var(--ei-accent);
	transform: translateY(-3px);
}

.field-tile .idx {
	font-size: 13px;
	color: var(--ei-accent);
	font-weight: 700;
	letter-spacing: 0.2em;
}

.field-tile h3 {
	font-size: 19px;
	margin: 12px 0 8px;
}

.field-tile p {
	font-size: 13px;
	color: var(--ei-muted);
	margin: 0 0 18px;
}

.field-tile .go {
	font-size: 13px;
	color: var(--ei-accent);
	font-weight: 700;
	letter-spacing: 0.1em;
}

/* ===== 设备大卡（首页） ===== */
.machine-list {
	display: grid;
	gap: 24px;
}

.machine-card {
	display: grid;
	grid-template-columns: 460px minmax(0, 1fr);
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	transition: border-color 0.2s ease;
}

.machine-card:hover {
	border-color: rgba(255, 122, 26, 0.55);
}

.machine-media {
	position: relative;
	min-height: 280px;
	background:
		linear-gradient(135deg, rgba(255, 122, 26, 0.1), transparent 60%),
		var(--ei-panel-2);
	overflow: hidden;
}

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

.machine-media .thumb-placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 56px;
	font-weight: 800;
	color: rgba(255, 122, 26, 0.28);
}

.machine-body {
	padding: 30px 34px;
	display: flex;
	flex-direction: column;
}

.machine-terms {
	font-size: 12px;
	letter-spacing: 0.16em;
	color: var(--ei-accent);
	font-weight: 700;
}

.machine-terms a {
	color: inherit;
}

.machine-title {
	font-size: 24px;
	margin: 10px 0 12px;
}

.machine-title a {
	color: var(--ei-heading);
}

.machine-title a:hover {
	color: var(--ei-accent);
}

.machine-excerpt {
	color: var(--ei-muted);
	font-size: 14px;
	flex: 1;
}

.machine-excerpt p {
	margin: 0;
}

.machine-foot {
	margin-top: 22px;
	display: flex;
	gap: 14px;
	align-items: center;
}

/* ===== 流程 ===== */
.steps {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
	counter-reset: step;
}

.step {
	position: relative;
	border-top: 2px solid var(--ei-line);
	padding-top: 22px;
}

.step::before {
	counter-increment: step;
	content: "0" counter(step);
	position: absolute;
	top: -19px;
	left: 0;
	background: var(--ei-bg);
	padding-right: 14px;
	font-size: 26px;
	font-weight: 800;
	color: var(--ei-accent);
}

.zone-deep .step::before {
	background: var(--ei-bg-deep);
}

.step h3 {
	font-size: 18px;
	margin-bottom: 6px;
}

.step p {
	font-size: 13px;
	color: var(--ei-muted);
	margin: 0;
}

/* ===== 关于区 ===== */
.about-band {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
	gap: 56px;
	align-items: center;
}

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

.about-band .lede {
	color: var(--ei-muted);
}

.spec-list {
	list-style: none;
	margin: 0;
	padding: 0;
	border: 1px solid var(--ei-line);
}

.spec-list li {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	padding: 15px 22px;
	border-bottom: 1px solid var(--ei-line);
	font-size: 14px;
}

.spec-list li:last-child {
	border-bottom: 0;
}

.spec-list .k {
	color: var(--ei-muted);
	white-space: nowrap;
}

.spec-list .v {
	color: var(--ei-heading);
	font-weight: 600;
	text-align: right;
}

/* ===== CTA 橙色警示带 ===== */
.cta-band {
	background: var(--ei-accent);
	background-image: repeating-linear-gradient(-45deg, rgba(20, 24, 29, 0.07) 0 18px, transparent 18px 36px);
	color: #14181d;
	padding: 52px 0;
}

.cta-band-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 26px;
	flex-wrap: wrap;
}

.cta-band h2 {
	color: #14181d;
	font-size: 28px;
	margin: 0 0 4px;
}

.cta-band p {
	margin: 0;
	font-weight: 600;
	font-size: 15px;
}

.cta-band .btn {
	background: #14181d;
	border-color: #14181d;
	color: #fff;
}

.cta-band .btn:hover {
	background: #232a33;
	border-color: #232a33;
}

.cta-band .phone-big {
	font-size: 30px;
	font-weight: 800;
	letter-spacing: 0.03em;
}

/* ===== 内页头 ===== */
.page-head {
	background: var(--ei-bg-deep);
	border-bottom: 1px solid var(--ei-line);
	padding: 56px 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
	background-size: 48px 48px;
}

.page-head .page-title {
	font-size: 36px;
	margin: 0;
}

.page-head .page-title::after {
	content: "";
	display: block;
	width: 56px;
	height: 4px;
	background: var(--ei-accent);
	margin-top: 18px;
}

.page-head .page-subtitle {
	margin: 14px 0 0;
	color: var(--ei-muted);
	max-width: 640px;
}

/* ===== 设备网格（归档） ===== */
.equipment-filter {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 36px;
}

.filter-pill {
	padding: 9px 20px;
	border: 1px solid var(--ei-line);
	font-size: 14px;
	color: var(--ei-text);
	background: var(--ei-panel);
	letter-spacing: 0.04em;
}

.filter-pill:hover {
	border-color: var(--ei-accent);
	color: var(--ei-accent);
}

.filter-pill.is-active {
	background: var(--ei-accent);
	border-color: var(--ei-accent);
	color: #14181d;
	font-weight: 700;
}

.rig-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.rig-card {
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	display: flex;
	flex-direction: column;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.rig-thumb {
	display: block;
	aspect-ratio: 8 / 5;
	background: var(--ei-panel-2);
	overflow: hidden;
	position: relative;
}

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

.rig-thumb .thumb-placeholder {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 46px;
	font-weight: 800;
	color: rgba(255, 122, 26, 0.28);
}

.rig-body {
	padding: 20px 22px 22px;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.rig-terms {
	font-size: 12px;
	color: var(--ei-accent);
	letter-spacing: 0.14em;
	font-weight: 700;
	margin-bottom: 6px;
}

.rig-terms a {
	color: inherit;
}

.rig-title {
	font-size: 18px;
	margin-bottom: 8px;
}

.rig-title a {
	color: var(--ei-heading);
}

.rig-title a:hover {
	color: var(--ei-accent);
}

.rig-excerpt {
	font-size: 13px;
	color: var(--ei-muted);
	flex: 1;
}

.rig-excerpt p {
	margin: 0;
}

.rig-more {
	margin-top: 14px;
	font-size: 13px;
	color: var(--ei-accent);
	font-weight: 700;
	letter-spacing: 0.08em;
}

.no-results {
	border: 1px dashed var(--ei-line);
	background: var(--ei-panel);
	padding: 40px;
	text-align: center;
	color: var(--ei-muted);
}

/* ===== 文章列表 ===== */
.post-list {
	display: grid;
	gap: 18px;
}

.post-item {
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	padding: 24px 28px;
	border-left: 3px solid var(--ei-accent);
	transition: border-color 0.2s ease;
}

.post-item:hover {
	border-color: rgba(255, 122, 26, 0.55);
	border-left-color: var(--ei-accent);
}

.post-item .entry-title {
	font-size: 19px;
	margin-bottom: 6px;
}

.post-item .entry-title a {
	color: var(--ei-heading);
}

.post-item .entry-title a:hover {
	color: var(--ei-accent);
}

.entry-meta {
	font-size: 12px;
	color: var(--ei-muted);
	letter-spacing: 0.08em;
	margin-bottom: 8px;
}

.entry-meta .meta-type {
	display: inline-block;
	border: 1px solid rgba(255, 122, 26, 0.5);
	color: var(--ei-accent);
	padding: 0 8px;
	margin-right: 10px;
	font-weight: 700;
}

.post-item .entry-summary {
	font-size: 14px;
	color: var(--ei-muted);
	margin: 0;
}

/* ===== 正文 ===== */
.article-panel {
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	padding: 38px 42px;
}

.article-panel .entry-title {
	font-size: 30px;
}

.single-thumb {
	margin-bottom: 26px;
	border: 1px solid var(--ei-line);
}

.entry-content {
	font-size: 15.5px;
}

.entry-content h2 {
	font-size: 24px;
	margin-top: 1.8em;
	padding-left: 14px;
	border-left: 4px solid var(--ei-accent);
}

.entry-content h3 {
	font-size: 20px;
	margin-top: 1.5em;
}

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

.entry-content blockquote {
	margin: 1.6em 0;
	padding: 16px 22px;
	border-left: 4px solid var(--ei-accent);
	background: var(--ei-bg-deep);
	color: var(--ei-muted);
}

.entry-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.6em 0;
	font-size: 14px;
	border: 1px solid var(--ei-line);
}

.entry-content th,
.entry-content td {
	border: 1px solid var(--ei-line);
	padding: 11px 16px;
	text-align: left;
}

.entry-content th {
	background: var(--ei-bg-deep);
	color: var(--ei-accent);
	font-weight: 700;
	letter-spacing: 0.06em;
}

.entry-content tr:nth-child(even) td {
	background: rgba(255, 255, 255, 0.02);
}

.entry-content img {
	border: 1px solid var(--ei-line);
}

.alignleft {
	float: left;
	margin: 0 22px 14px 0;
}

.alignright {
	float: right;
	margin: 0 0 14px 22px;
}

.aligncenter {
	display: block;
	margin: 0 auto 14px;
}

/* ===== 设备详情 ===== */
.equipment-single-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 330px;
	gap: 32px;
	align-items: start;
}

.spec-aside {
	border: 1px solid var(--ei-line);
	border-top: 3px solid var(--ei-accent);
	background: var(--ei-panel);
	padding: 26px;
	position: sticky;
	top: 96px;
}

.spec-aside h3 {
	font-size: 18px;
	margin-bottom: 14px;
}

.contact-lines {
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
	display: grid;
	gap: 10px;
	font-size: 14px;
	color: var(--ei-muted);
}

.contact-lines strong {
	color: var(--ei-heading);
	display: block;
	font-size: 15px;
}

.spec-aside .btn {
	display: block;
	text-align: center;
	margin-bottom: 10px;
}

.related-title {
	font-size: 24px;
	margin: 52px 0 22px;
	padding-bottom: 14px;
	border-bottom: 1px solid var(--ei-line);
}

/* ===== 搜索表单 ===== */
.search-form {
	display: flex;
	max-width: 480px;
}

.search-field {
	flex: 1;
	min-width: 0;
	padding: 12px 16px;
	border: 1px solid var(--ei-line);
	border-right: 0;
	background: var(--ei-bg-deep);
	color: var(--ei-text);
	font-size: 14px;
	font-family: inherit;
}

.search-field:focus {
	outline: none;
	border-color: var(--ei-accent);
}

.search-submit {
	padding: 12px 24px;
	border: 1px solid var(--ei-accent);
	background: var(--ei-accent);
	color: #14181d;
	font-weight: 700;
	font-size: 14px;
	cursor: pointer;
	font-family: inherit;
}

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

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

.nav-links {
	display: flex;
	gap: 8px;
	justify-content: center;
	flex-wrap: wrap;
}

.nav-links .page-numbers {
	display: inline-flex;
	min-width: 42px;
	height: 42px;
	align-items: center;
	justify-content: center;
	padding: 0 14px;
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	color: var(--ei-text);
	font-size: 14px;
}

.nav-links .page-numbers.current {
	background: var(--ei-accent);
	border-color: var(--ei-accent);
	color: #14181d;
	font-weight: 700;
}

.nav-links a.page-numbers:hover {
	border-color: var(--ei-accent);
	color: var(--ei-accent);
}

/* ===== 评论 ===== */
.comments-area {
	margin-top: 40px;
	border: 1px solid var(--ei-line);
	background: var(--ei-panel);
	padding: 30px 34px;
}

.comments-title {
	font-size: 20px;
}

.comment-list {
	list-style: none;
	margin: 0 0 26px;
	padding: 0;
}

.comment-list .comment {
	border-bottom: 1px solid var(--ei-line);
	padding: 18px 0;
}

.comment-list .children {
	list-style: none;
	padding-left: 30px;
}

.comment-author {
	font-weight: 700;
	font-size: 14px;
	color: var(--ei-heading);
}

.comment-author .avatar {
	border-radius: 0;
	vertical-align: middle;
	margin-right: 10px;
}

.comment-metadata {
	font-size: 12px;
	color: var(--ei-muted);
	margin: 2px 0 8px;
}

.comment-content {
	font-size: 14px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 11px 15px;
	border: 1px solid var(--ei-line);
	background: var(--ei-bg-deep);
	color: var(--ei-text);
	font-family: inherit;
	font-size: 14px;
	margin-bottom: 14px;
}

.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--ei-accent);
}

.comment-form label {
	display: block;
	font-size: 14px;
	margin-bottom: 5px;
	color: var(--ei-heading);
}

.comment-form .submit {
	padding: 13px 30px;
	background: var(--ei-accent);
	color: #14181d;
	border: 0;
	font-weight: 700;
	font-size: 15px;
	cursor: pointer;
	font-family: inherit;
}

.comment-form .submit:hover {
	background: var(--ei-accent-hover);
}

/* ===== 404 ===== */
.error-404 {
	padding: 110px 0;
	text-align: center;
}

.error-code {
	font-size: 110px;
	font-weight: 800;
	line-height: 1;
	color: var(--ei-heading);
}

.error-code i {
	font-style: normal;
	color: var(--ei-accent);
}

.error-404 .search-form {
	margin: 30px auto 0;
}

/* ===== 页脚 ===== */
.site-footer {
	background: var(--ei-bg-deep);
	border-top: 1px solid var(--ei-line);
	color: var(--ei-muted);
	font-size: 14px;
}

.footer-widgets {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: 36px;
	padding: 56px 0 40px;
}

.site-footer .widget {
	background: none;
	border: 0;
	padding: 0;
	margin: 0;
}

.widget-title,
.footer-heading {
	font-size: 13px;
	letter-spacing: 0.28em;
	color: var(--ei-heading);
	margin-bottom: 16px;
	font-weight: 700;
	text-transform: uppercase;
}

.site-footer ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 9px;
}

.site-footer a {
	color: var(--ei-muted);
}

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

.footer-about p {
	max-width: 340px;
}

.footer-bottom {
	border-top: 1px solid var(--ei-line);
	padding: 18px 0;
	font-size: 13px;
}

.footer-bottom-inner {
	display: flex;
	justify-content: space-between;
	gap: 14px;
	flex-wrap: wrap;
}

.footer-menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex !important;
	gap: 20px;
}

/* ===== 滚动浮现 ===== */
.reveal {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
	.reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}

	html {
		scroll-behavior: auto;
	}
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
	.machine-card {
		grid-template-columns: 1fr;
	}

	.machine-media {
		min-height: 220px;
	}

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

	.steps {
		grid-template-columns: repeat(2, 1fr);
		row-gap: 44px;
	}

	.about-band {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.equipment-single-layout {
		grid-template-columns: 1fr;
	}

	.spec-aside {
		position: static;
	}

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

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

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

	.hero-stat {
		border-bottom: 1px solid var(--ei-line);
	}
}

@media (max-width: 782px) {
	.menu-toggle {
		display: block;
	}

	.main-navigation {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		background: var(--ei-bg-deep);
		border-bottom: 1px solid var(--ei-line);
		display: none;
	}

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

	.main-navigation ul {
		flex-direction: column;
		gap: 0;
		padding: 8px 0;
	}

	.main-navigation a {
		padding: 12px 24px;
		box-shadow: none;
	}

	.main-navigation ul ul {
		position: static;
		display: flex;
		border: 0;
		padding-left: 18px;
	}

	.hero {
		padding-top: 68px;
	}

	.hero-title {
		font-size: 34px;
	}

	.hero-actions {
		margin-bottom: 52px;
	}

	.zone {
		padding: 56px 0;
	}

	.zone-head {
		flex-wrap: wrap;
		gap: 10px;
	}

	.zone-desc {
		margin-left: 0;
		text-align: left;
		max-width: none;
	}

	.zone-title {
		font-size: 24px;
	}

	.machine-body {
		padding: 24px;
	}

	.machine-title {
		font-size: 20px;
	}

	.article-panel {
		padding: 26px 22px;
	}

	.cta-band .phone-big {
		font-size: 24px;
	}

	.page-head .page-title {
		font-size: 28px;
	}
}

@media (max-width: 600px) {
	.rig-grid,
	.field-grid {
		grid-template-columns: 1fr;
	}

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

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

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