/* =====================================================
   青川 QingChuan — 主样式
   色彩:墨杉绿 / 青瓷雾 / 白瓷 / 信号琥珀 / 监测荧绿
   字体:思源宋体(标题) · 系统黑体(正文) · IBM Plex Mono(数据)
   ===================================================== */

:root {
	--ink: #16211b;
	--ink-soft: #47554d;
	--spruce: #0c352a;
	--spruce-2: #123f31;
	--pine: #1d5443;
	--moss: #6e8a7c;
	--celadon: #e9f0ea;
	--celadon-2: #dfe9e2;
	--porcelain: #fbfdfb;
	--mist: #d3e0d6;
	--amber: #d98e2b;
	--amber-deep: #a96a14;
	--amber-ink: #241703;
	--led: #7ce3b1;
	--led-dim: #3f8f6c;
	--panel: #05241b;

	--font-display: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
	--font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
		"Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
	--font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono",
		monospace;

	--radius: 10px;
	--radius-lg: 16px;
	--shadow-sm: 0 1px 2px rgba(12, 53, 42, 0.06), 0 4px 14px rgba(12, 53, 42, 0.07);
	--shadow-md: 0 2px 6px rgba(12, 53, 42, 0.08), 0 14px 34px rgba(12, 53, 42, 0.12);
	--container: 1180px;
}

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.8;
	color: var(--ink);
	background: var(--celadon);
}

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

a {
	color: var(--pine);
	text-decoration: none;
}

a:hover {
	color: var(--amber-deep);
}

h1,
h2,
h3,
h4 {
	line-height: 1.35;
	margin: 0 0 0.5em;
	font-weight: 700;
}

p {
	margin: 0 0 1em;
}

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

.mono {
	font-family: var(--font-mono);
	letter-spacing: 0.02em;
}

.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 24px;
}

/* ---------- 无障碍 ---------- */
.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	left: 16px;
	top: 16px;
	z-index: 999;
	background: var(--amber);
	color: var(--amber-ink);
	padding: 10px 18px;
	border-radius: 6px;
	font-weight: 700;
}

.skip-link:focus {
	position: fixed !important;
	width: auto;
	height: auto;
	clip: auto;
}

:focus-visible {
	outline: 2px solid var(--amber);
	outline-offset: 3px;
	border-radius: 4px;
}

/* ---------- 眉题与标题 ---------- */
.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	color: var(--pine);
}

.eyebrow::before {
	content: "";
	width: 9px;
	height: 9px;
	background: var(--amber);
	border-radius: 2px;
}

.eyebrow--light {
	color: var(--led);
}

.section-title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: clamp(26px, 3.4vw, 38px);
	letter-spacing: 0.01em;
	margin-bottom: 14px;
}

.section-lead {
	max-width: 620px;
	color: var(--ink-soft);
	margin-bottom: 0;
}

.section-head {
	margin-bottom: 44px;
}

/* ---------- 按钮 ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 26px;
	border-radius: 8px;
	font-weight: 700;
	font-size: 15px;
	line-height: 1.4;
	border: 1.5px solid transparent;
	cursor: pointer;
	transition: transform 0.18s ease, box-shadow 0.18s ease,
		background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
	transform: translateY(-2px);
}

.btn--amber {
	background: var(--amber);
	color: var(--amber-ink);
	box-shadow: 0 6px 18px rgba(217, 142, 43, 0.35);
}

.btn--amber:hover {
	background: #e59c3d;
	color: var(--amber-ink);
}

.btn--ghost {
	border-color: rgba(233, 240, 234, 0.55);
	color: var(--celadon);
	background: rgba(255, 255, 255, 0.04);
}

.btn--ghost:hover {
	border-color: var(--celadon);
	color: #fff;
}

.btn--line {
	border-color: var(--spruce);
	color: var(--spruce);
	background: transparent;
}

.btn--line:hover {
	background: var(--spruce);
	color: var(--celadon);
}

.btn--lg {
	padding: 15px 34px;
	font-size: 16px;
}

.btn--block {
	display: flex;
	width: 100%;
}

/* ---------- 顶栏 ---------- */
.topbar {
	background: var(--spruce);
	color: rgba(233, 240, 234, 0.85);
	font-size: 13px;
}

.topbar__inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	min-height: 38px;
}

.topbar p {
	margin: 0;
}

.topbar a {
	color: var(--led);
}

.topbar a:hover {
	color: #fff;
}

/* ---------- 页头 ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(251, 253, 251, 0.94);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--mist);
	transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
	box-shadow: var(--shadow-sm);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	min-height: 76px;
}

.site-brand__text {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--ink);
}

.site-brand__mark {
	display: inline-grid;
	place-items: center;
	width: 44px;
	height: 44px;
	border-radius: 10px;
	background: var(--spruce);
	color: var(--celadon);
	font-family: var(--font-display);
	font-weight: 900;
	font-size: 22px;
	flex: none;
}

.site-brand__name strong {
	display: block;
	font-size: 19px;
	letter-spacing: 0.02em;
	line-height: 1.25;
}

.site-brand__name small {
	display: block;
	font-size: 12px;
	color: var(--moss);
	letter-spacing: 0.08em;
}

.custom-logo {
	max-height: 52px;
	width: auto;
}

/* 导航 */
.site-nav {
	display: flex;
	align-items: center;
	gap: 26px;
}

.site-nav .menu {
	display: flex;
	align-items: center;
	gap: 6px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav .menu > li {
	position: relative;
}

.site-nav .menu a {
	display: block;
	padding: 10px 14px;
	color: var(--ink);
	font-weight: 600;
	font-size: 15px;
	border-radius: 8px;
}

.site-nav .menu a:hover,
.site-nav .menu .current-menu-item > a,
.site-nav .menu .current_page_item > a {
	color: var(--spruce);
	background: var(--celadon-2);
}

/* 二级菜单 */
.site-nav .sub-menu {
	position: absolute;
	left: 0;
	top: calc(100% + 6px);
	min-width: 190px;
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: 10px;
	box-shadow: var(--shadow-md);
	list-style: none;
	padding: 8px;
	margin: 0;
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.site-nav .menu > li:hover > .sub-menu,
.site-nav .menu > li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.nav-toggle {
	display: none;
	position: relative;
	width: 44px;
	height: 44px;
	border: 1.5px solid var(--spruce);
	background: transparent;
	border-radius: 8px;
	cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
	content: "";
	position: absolute;
	left: 50%;
	width: 20px;
	height: 2px;
	background: var(--spruce);
	transform: translateX(-50%);
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle__bar {
	top: 50%;
	margin-top: -1px;
}

.nav-toggle__bar::before {
	top: -7px;
}

.nav-toggle__bar::after {
	top: 7px;
}

body.nav-open .nav-toggle__bar {
	background: transparent;
}

body.nav-open .nav-toggle__bar::before {
	transform: translateX(-50%) translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle__bar::after {
	transform: translateX(-50%) translateY(-7px) rotate(-45deg);
}

/* ---------- 首屏 ---------- */
.hero {
	position: relative;
	background: linear-gradient(160deg, var(--spruce) 0%, var(--spruce-2) 58%, #0e4434 100%);
	color: var(--celadon);
	overflow: hidden;
}

.hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image: linear-gradient(rgba(233, 240, 234, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(233, 240, 234, 0.05) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(120% 100% at 70% 0%, #000 40%, transparent 100%);
	-webkit-mask-image: radial-gradient(120% 100% at 70% 0%, #000 40%, transparent 100%);
	pointer-events: none;
}

.hero::after {
	content: "";
	position: absolute;
	right: -180px;
	top: -180px;
	width: 520px;
	height: 520px;
	border-radius: 50%;
	background: radial-gradient(closest-side, rgba(124, 227, 177, 0.16), transparent);
	pointer-events: none;
}

.hero__inner {
	position: relative;
	padding: 92px 24px 84px;
	display: grid;
	gap: 56px;
}

.hero__title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: clamp(32px, 5.4vw, 58px);
	line-height: 1.28;
	letter-spacing: 0.015em;
	color: #f4f9f4;
	max-width: 15em;
	margin-bottom: 20px;
}

.hero__sub {
	max-width: 560px;
	font-size: 17px;
	color: rgba(233, 240, 234, 0.82);
	margin-bottom: 34px;
}

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

/* 签名元素:在线监测屏 */
.monitor {
	background: linear-gradient(180deg, #06281f, var(--panel));
	border: 1px solid rgba(124, 227, 177, 0.28);
	border-radius: var(--radius-lg);
	box-shadow: inset 0 0 44px rgba(0, 0, 0, 0.45), 0 18px 44px rgba(0, 0, 0, 0.35);
	overflow: hidden;
}

.monitor__head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 20px;
	font-size: 13px;
	color: rgba(233, 240, 234, 0.75);
	border-bottom: 1px solid rgba(124, 227, 177, 0.18);
	letter-spacing: 0.06em;
}

.monitor__dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--led);
	box-shadow: 0 0 10px var(--led);
	animation: qc-pulse 2.2s ease-in-out infinite;
}

@keyframes qc-pulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.35;
	}
}

.monitor__tag {
	margin-left: auto;
	font-size: 11px;
	padding: 2px 10px;
	border: 1px solid rgba(233, 240, 234, 0.3);
	border-radius: 99px;
	color: rgba(233, 240, 234, 0.6);
}

.monitor__grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(5, 1fr);
}

.monitor__cell {
	padding: 22px 18px 20px;
	display: grid;
	gap: 2px;
	border-left: 1px solid rgba(124, 227, 177, 0.12);
}

.monitor__cell:first-child {
	border-left: 0;
}

.m-label {
	font-size: 13px;
	color: rgba(233, 240, 234, 0.62);
	letter-spacing: 0.08em;
}

.m-value {
	font-size: clamp(24px, 2.6vw, 32px);
	font-weight: 600;
	color: var(--led);
	text-shadow: 0 0 14px rgba(124, 227, 177, 0.45);
	font-variant-numeric: tabular-nums;
}

.m-unit {
	font-size: 12px;
	color: var(--led-dim);
}

.m-status {
	margin-top: 8px;
	justify-self: start;
	font-size: 12px;
	padding: 1px 10px;
	border-radius: 99px;
	color: var(--led);
	border: 1px solid rgba(124, 227, 177, 0.45);
	letter-spacing: 0.14em;
}

/* ---------- 通用版块 ---------- */
.section {
	padding: 96px 0;
}

.section--tinted {
	background: var(--celadon-2);
}

.section--pad {
	padding-top: 64px;
	padding-bottom: 96px;
}

.section-note {
	margin-top: 28px;
	font-size: 13px;
	color: var(--moss);
}

.section-more {
	margin-top: 40px;
}

/* ---------- 设备卡片 ---------- */
.eq-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 22px;
}

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

.eq-card {
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.eq-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: var(--amber);
}

.eq-card__media {
	display: block;
	aspect-ratio: 16 / 11;
	overflow: hidden;
	background: var(--celadon-2);
}

.eq-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.35s ease;
}

.eq-card:hover .eq-card__media img {
	transform: scale(1.04);
}

.eq-card__media--art {
	display: grid;
	place-items: center;
	background: linear-gradient(150deg, var(--spruce), var(--pine));
}

.eq-card__art {
	width: 92px;
	height: 92px;
	color: var(--led);
	opacity: 0.92;
}

.eq-card__art svg {
	width: 100%;
	height: 100%;
}

.eq-card__body {
	padding: 20px 22px 22px;
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
}

.eq-card__title {
	font-size: 18px;
	margin: 0;
}

.eq-card__title a {
	color: var(--ink);
	background-image: linear-gradient(var(--amber), var(--amber));
	background-repeat: no-repeat;
	background-size: 0 2px;
	background-position: 0 100%;
	transition: background-size 0.25s ease;
	padding-bottom: 2px;
}

.eq-card:hover .eq-card__title a {
	background-size: 100% 2px;
}

.eq-card__desc {
	font-size: 14px;
	color: var(--ink-soft);
	margin: 0;
	flex: 1;
}

.eq-card__meta {
	list-style: none;
	margin: 8px 0 0;
	padding: 12px 0 0;
	border-top: 1px dashed var(--mist);
	display: grid;
	gap: 5px;
	font-size: 12.5px;
}

.eq-card__meta li {
	display: flex;
	justify-content: space-between;
	gap: 12px;
}

.eq-card__meta span {
	color: var(--moss);
}

.eq-card__meta b {
	font-weight: 600;
	color: var(--spruce);
}

/* ---------- 解决方案瓷砖 ---------- */
.tile-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 22px;
}

.tile {
	position: relative;
	display: block;
	padding: 40px 42px 44px;
	border-radius: var(--radius-lg);
	background: linear-gradient(150deg, var(--spruce) 8%, var(--pine) 100%);
	color: var(--celadon);
	overflow: hidden;
	min-height: 210px;
	transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.tile:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-md);
	color: var(--celadon);
}

.tile::after {
	position: absolute;
	right: -22px;
	bottom: -78px;
	font-family: var(--font-display);
	font-weight: 900;
	font-size: 230px;
	line-height: 1;
	color: rgba(244, 249, 244, 0.07);
	pointer-events: none;
	transition: transform 0.35s ease;
}

.tile:hover::after {
	transform: translateY(-10px);
}

.tile--water::after {
	content: "水";
}

.tile--air::after {
	content: "气";
}

.tile--solid::after {
	content: "固";
}

.tile--noise::after {
	content: "声";
}

.tile__title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: 24px;
	color: #f4f9f4;
	margin-bottom: 10px;
}

.tile__desc {
	max-width: 26em;
	color: rgba(233, 240, 234, 0.8);
	margin: 0;
}

.tile__go {
	position: absolute;
	left: 42px;
	bottom: 30px;
	font-size: 20px;
	color: var(--amber);
	transition: transform 0.22s ease;
}

.tile:hover .tile__go {
	transform: translateX(8px);
}

/* ---------- 数据带 ---------- */
.stats {
	background: var(--spruce);
	color: var(--celadon);
	padding: 64px 0;
}

.stats__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 28px;
	text-align: center;
}

.stat-num {
	font-size: clamp(34px, 4.4vw, 52px);
	font-weight: 600;
	color: #f4f9f4;
	margin: 0 0 4px;
	font-variant-numeric: tabular-nums;
}

.stat-num em {
	font-style: normal;
	color: var(--amber);
	font-size: 0.62em;
	margin-left: 2px;
}

.stat-label {
	margin: 0;
	font-size: 14px;
	color: rgba(233, 240, 234, 0.68);
	letter-spacing: 0.12em;
}

/* ---------- 服务流程 ---------- */
.process {
	list-style: none;
	margin: 0;
	padding: 0;
	position: relative;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.process::before {
	content: "";
	position: absolute;
	left: 4%;
	right: 4%;
	top: 30px;
	border-top: 2px dashed var(--mist);
}

.process__step {
	position: relative;
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius);
	padding: 24px 26px 26px;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.process__step:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-sm);
}

.process__num {
	display: inline-block;
	font-size: 13px;
	font-weight: 600;
	color: var(--amber-deep);
	background: rgba(217, 142, 43, 0.12);
	border: 1px solid rgba(217, 142, 43, 0.4);
	border-radius: 6px;
	padding: 2px 10px;
	margin-bottom: 12px;
	letter-spacing: 0.14em;
}

.process__step h3 {
	font-size: 17px;
	margin-bottom: 6px;
}

.process__step p {
	margin: 0;
	font-size: 14px;
	color: var(--ink-soft);
}

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

.news-card {
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius);
	padding: 26px 28px 28px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.news-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: var(--amber);
}

.news-card__date {
	font-size: 12px;
	color: var(--moss);
	margin: 0;
	letter-spacing: 0.08em;
}

.news-card__title {
	font-size: 17px;
	line-height: 1.55;
	margin: 0;
}

.news-card__title a {
	color: var(--ink);
}

.news-card__title a:hover {
	color: var(--amber-deep);
}

.news-card__desc {
	font-size: 14px;
	color: var(--ink-soft);
	margin: 0;
	flex: 1;
}

.news-card__more {
	font-size: 14px;
	font-weight: 700;
	color: var(--pine);
}

/* ---------- 联系 CTA ---------- */
.cta {
	background: linear-gradient(160deg, var(--spruce) 0%, var(--spruce-2) 100%);
	position: relative;
	overflow: hidden;
}

.cta::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image: linear-gradient(rgba(233, 240, 234, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(233, 240, 234, 0.05) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(100% 130% at 20% 100%, #000 30%, transparent 100%);
	-webkit-mask-image: radial-gradient(100% 130% at 20% 100%, #000 30%, transparent 100%);
	pointer-events: none;
}

.cta__inner {
	position: relative;
	padding-top: 84px;
	padding-bottom: 84px;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
}

.cta__title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: clamp(26px, 3.6vw, 40px);
	color: #f4f9f4;
	margin-bottom: 10px;
}

.cta__sub {
	color: rgba(233, 240, 234, 0.8);
	margin: 0;
	max-width: 460px;
}

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

/* ---------- 页脚 ---------- */
.site-footer {
	background: #081f17;
	color: rgba(233, 240, 234, 0.78);
	font-size: 14px;
}

.site-footer a {
	color: rgba(233, 240, 234, 0.78);
}

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

.site-footer__grid {
	display: grid;
	grid-template-columns: 1.4fr 0.8fr 1.1fr 0.9fr;
	gap: 44px;
	padding: 68px 0 52px;
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 12px;
	font-size: 18px;
	font-weight: 700;
	color: #f4f9f4;
	margin: 0 0 16px;
}

.footer-about {
	margin: 0;
	color: rgba(233, 240, 234, 0.62);
	line-height: 1.9;
}

.footer-title {
	font-size: 14px;
	letter-spacing: 0.16em;
	color: var(--led);
	margin: 4px 0 18px;
	font-weight: 700;
}

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

.footer-contact {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 12px;
}

.footer-contact li {
	display: flex;
	gap: 14px;
	line-height: 1.7;
}

.footer-contact span {
	flex: none;
	color: rgba(233, 240, 234, 0.45);
}

.footer-qr {
	width: 116px;
	height: auto;
	border-radius: 8px;
	border: 4px solid rgba(233, 240, 234, 0.12);
}

.footer-qr__hint {
	margin: 10px 0 0;
	font-size: 12.5px;
	color: rgba(233, 240, 234, 0.55);
}

.site-footer__legal {
	border-top: 1px solid rgba(233, 240, 234, 0.1);
	padding: 20px 0;
	font-size: 12.5px;
	color: rgba(233, 240, 234, 0.45);
}

.site-footer__legal-inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 10px;
}

.site-footer__legal p {
	margin: 0;
}

/* 返回顶部 */
.back-top {
	position: fixed;
	right: 26px;
	bottom: 26px;
	z-index: 90;
	width: 46px;
	height: 46px;
	border-radius: 10px;
	border: none;
	background: var(--spruce);
	color: var(--celadon);
	font-size: 18px;
	cursor: pointer;
	box-shadow: var(--shadow-md);
	transition: background-color 0.2s ease, transform 0.2s ease;
}

.back-top:hover {
	background: var(--pine);
	transform: translateY(-3px);
}

/* ---------- 内页 ---------- */
.page-hero {
	background: linear-gradient(160deg, var(--spruce) 0%, var(--spruce-2) 100%);
	color: var(--celadon);
	padding: 64px 0 56px;
}

.page-hero__title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: clamp(26px, 4vw, 42px);
	color: #f4f9f4;
	margin: 0;
	max-width: 20em;
}

.page-hero__desc {
	margin: 14px 0 0;
	color: rgba(233, 240, 234, 0.78);
}

.page-hero__desc a {
	color: var(--led);
}

/* 双栏布局 */
.layout-with-side {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 48px;
	align-items: start;
}

/* 文章列表 */
.post-list {
	display: grid;
	gap: 22px;
}

.post-row {
	display: grid;
	grid-template-columns: 240px 1fr;
	gap: 26px;
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius);
	padding: 22px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-row:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-sm);
	border-color: var(--amber);
}

.post-row__thumb {
	border-radius: 8px;
	overflow: hidden;
	aspect-ratio: 16 / 11;
}

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

.post-row__title {
	font-size: 19px;
	margin: 4px 0 8px;
}

.post-row__title a {
	color: var(--ink);
}

.post-row__title a:hover {
	color: var(--amber-deep);
}

.post-row:not(:has(.post-row__thumb)) {
	grid-template-columns: 1fr;
}

/* 正文排版 */
.entry {
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius-lg);
	padding: clamp(26px, 4vw, 52px);
}

.entry__cover {
	margin: 0 0 32px;
	border-radius: var(--radius);
	overflow: hidden;
}

.entry__content {
	font-size: 16.5px;
	line-height: 2;
	color: #2a352e;
}

.entry__content > * {
	max-width: 780px;
}

.entry__content h2 {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: 26px;
	margin: 1.8em 0 0.7em;
	padding-left: 16px;
	border-left: 4px solid var(--amber);
}

.entry__content h3 {
	font-size: 20px;
	margin: 1.6em 0 0.6em;
	color: var(--spruce);
}

.entry__content blockquote {
	margin: 1.6em 0;
	padding: 18px 26px;
	background: var(--celadon);
	border-left: 4px solid var(--pine);
	border-radius: 0 8px 8px 0;
	color: var(--ink-soft);
}

.entry__content code {
	font-family: var(--font-mono);
	font-size: 0.9em;
	background: var(--celadon);
	padding: 2px 7px;
	border-radius: 5px;
}

.entry__content pre {
	background: var(--panel);
	color: var(--led);
	padding: 20px 24px;
	border-radius: 10px;
	overflow-x: auto;
	font-family: var(--font-mono);
	font-size: 14px;
	line-height: 1.7;
}

.entry__content pre code {
	background: none;
	padding: 0;
	color: inherit;
}

.entry__content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.5em 0;
	font-size: 15px;
}

.entry__content th,
.entry__content td {
	border: 1px solid var(--mist);
	padding: 10px 14px;
	text-align: left;
}

.entry__content th {
	background: var(--celadon);
	font-weight: 700;
}

.entry__content img {
	border-radius: 8px;
}

.entry__content a {
	text-decoration: underline;
	text-decoration-color: rgba(217, 142, 43, 0.5);
	text-underline-offset: 3px;
}

.entry__tags {
	margin-top: 36px;
	padding-top: 22px;
	border-top: 1px dashed var(--mist);
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.entry__tags a {
	font-size: 13px;
	padding: 4px 14px;
	background: var(--celadon);
	border: 1px solid var(--mist);
	border-radius: 99px;
	color: var(--pine);
}

.entry__tags a:hover {
	border-color: var(--amber);
	color: var(--amber-deep);
}

/* 上一篇 / 下一篇 */
.post-nav {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	margin-top: 28px;
	font-weight: 600;
}

.post-nav__next {
	text-align: right;
}

/* 侧栏卡片 */
.spec-card,
.quote-card,
.widget {
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius);
	padding: 26px 28px;
	margin-bottom: 22px;
}

.spec-card__title,
.quote-card__title,
.widget-title {
	font-size: 14px;
	letter-spacing: 0.16em;
	color: var(--pine);
	margin: 0 0 18px;
	font-weight: 700;
}

.spec-card__list {
	margin: 0;
	display: grid;
	gap: 14px;
}

.spec-card__list > div {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	border-bottom: 1px dashed var(--mist);
	padding-bottom: 12px;
}

.spec-card__list > div:last-child {
	border-bottom: 0;
	padding-bottom: 0;
}

.spec-card__list dt {
	color: var(--moss);
	flex: none;
}

.spec-card__list dd {
	margin: 0;
	text-align: right;
	font-weight: 600;
	color: var(--spruce);
}

.quote-card {
	background: var(--spruce);
	border-color: var(--spruce);
	color: rgba(233, 240, 234, 0.8);
}

.quote-card__title {
	color: var(--led);
}

.quote-card__phone {
	font-size: 24px;
	margin: 0 0 8px;
}

.quote-card__phone a {
	color: #f4f9f4;
}

.quote-card__phone a:hover {
	color: var(--led);
}

.quote-card__hint {
	font-size: 13.5px;
	margin-bottom: 20px;
}

/* 组件杂项 */
.widget ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 10px;
}

.searchform {
	display: flex;
	gap: 10px;
}

.searchform input[type="search"] {
	flex: 1;
	min-width: 0;
	padding: 11px 16px;
	border: 1.5px solid var(--mist);
	border-radius: 8px;
	background: #fff;
	font: inherit;
	color: var(--ink);
}

.searchform input[type="search"]:focus {
	outline: none;
	border-color: var(--amber);
	box-shadow: 0 0 0 3px rgba(217, 142, 43, 0.18);
}

.empty-state {
	background: var(--porcelain);
	border: 1px dashed var(--mist);
	border-radius: var(--radius-lg);
	padding: 56px 40px;
	text-align: center;
}

.empty-state h2 {
	font-family: var(--font-display);
	font-weight: 900;
}

.empty-state .searchform {
	max-width: 440px;
	margin: 20px auto 0;
}

/* 分页 */
.pagination {
	margin-top: 44px;
}

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

.pagination .page-numbers {
	display: inline-grid;
	place-items: center;
	min-width: 42px;
	height: 42px;
	padding: 0 14px;
	border: 1.5px solid var(--mist);
	border-radius: 8px;
	background: var(--porcelain);
	color: var(--ink);
	font-weight: 600;
}

.pagination .page-numbers.current {
	background: var(--spruce);
	border-color: var(--spruce);
	color: var(--celadon);
}

.pagination .page-numbers:hover:not(.current) {
	border-color: var(--amber);
	color: var(--amber-deep);
}

/* 评论 */
.comments {
	margin-top: 48px;
	background: var(--porcelain);
	border: 1px solid var(--mist);
	border-radius: var(--radius-lg);
	padding: clamp(24px, 3.5vw, 44px);
}

.comments__title {
	font-family: var(--font-display);
	font-weight: 900;
	font-size: 22px;
}

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

.comment-list .comment {
	padding: 20px 0;
	border-bottom: 1px dashed var(--mist);
}

.comment-list .children {
	list-style: none;
	margin: 12px 0 0;
	padding-left: 28px;
	border-left: 2px solid var(--celadon-2);
}

.comment-author img {
	border-radius: 50%;
	margin-right: 10px;
	vertical-align: middle;
}

.comment-metadata {
	font-size: 12.5px;
	color: var(--moss);
}

.comment-form label {
	display: block;
	font-weight: 600;
	margin-bottom: 6px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	padding: 11px 16px;
	border: 1.5px solid var(--mist);
	border-radius: 8px;
	background: #fff;
	font: inherit;
	margin-bottom: 16px;
}

.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--amber);
	box-shadow: 0 0 0 3px rgba(217, 142, 43, 0.18);
}

.comment-form .submit {
	background: var(--amber);
	color: var(--amber-ink);
	border: none;
	border-radius: 8px;
	padding: 12px 30px;
	font-weight: 700;
	font-size: 15px;
	cursor: pointer;
}

.comment-form .submit:hover {
	background: #e59c3d;
}

/* WordPress 核心对齐 */
.alignleft {
	float: left;
	margin: 0 24px 16px 0;
}

.alignright {
	float: right;
	margin: 0 0 16px 24px;
}

.aligncenter {
	margin-left: auto;
	margin-right: auto;
}

.wp-caption {
	max-width: 100%;
}

.wp-caption-text {
	font-size: 13px;
	color: var(--moss);
	text-align: center;
	margin-top: 8px;
}

.sticky {
	border-left: 4px solid var(--amber);
}

/* ---------- 滚动显现 ---------- */
.reveal {
	opacity: 0;
	transform: translateY(22px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* JS 未加载时保持可见 */
.no-js .reveal {
	opacity: 1;
	transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 981px) {
	.hero__inner {
		grid-template-columns: 1.05fr 0.95fr;
		align-items: center;
	}

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

	.monitor__cell {
		border-left: 0;
		border-top: 1px solid rgba(124, 227, 177, 0.12);
	}

	.monitor__cell:nth-child(-n + 2) {
		border-top: 0;
	}

	.monitor__cell:nth-child(2n) {
		border-left: 1px solid rgba(124, 227, 177, 0.12);
	}

	.process {
		grid-template-columns: repeat(6, 1fr);
	}
}

@media (max-width: 1080px) {
	.eq-grid {
		grid-template-columns: repeat(2, 1fr);
	}

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

	.layout-with-side {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 980px) {
	.monitor__grid {
		grid-template-columns: repeat(5, 1fr);
	}
}

@media (max-width: 860px) {
	.topbar__note {
		display: none;
	}

	.nav-toggle {
		display: block;
	}

	.site-nav {
		position: fixed;
		inset: 0;
		top: 0;
		z-index: 95;
		flex-direction: column;
		justify-content: center;
		gap: 20px;
		background: rgba(12, 53, 42, 0.97);
		opacity: 0;
		visibility: hidden;
		transition: opacity 0.25s ease, visibility 0.25s;
	}

	body.nav-open .site-nav {
		opacity: 1;
		visibility: visible;
	}

	body.nav-open {
		overflow: hidden;
	}

	body.nav-open .nav-toggle {
		position: relative;
		z-index: 96;
		border-color: var(--celadon);
	}

	body.nav-open .nav-toggle__bar::before,
	body.nav-open .nav-toggle__bar::after {
		background: var(--celadon);
	}

	.site-nav .menu {
		flex-direction: column;
		gap: 4px;
		text-align: center;
	}

	.site-nav .menu a {
		color: var(--celadon);
		font-size: 20px;
		padding: 12px 24px;
	}

	.site-nav .menu a:hover,
	.site-nav .menu .current-menu-item > a {
		color: #fff;
		background: rgba(255, 255, 255, 0.08);
	}

	.site-nav .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		background: transparent;
		border: 0;
		box-shadow: none;
	}

	.site-nav .sub-menu a {
		font-size: 16px;
		color: rgba(233, 240, 234, 0.75);
	}

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

	.monitor__cell {
		border-left: 0;
		border-top: 1px solid rgba(124, 227, 177, 0.12);
	}

	.monitor__cell:nth-child(-n + 2) {
		border-top: 0;
	}

	.monitor__cell:nth-child(2n) {
		border-left: 1px solid rgba(124, 227, 177, 0.12);
	}

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

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

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

	.process::before {
		display: none;
	}

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

	.section {
		padding: 72px 0;
	}

	.post-row {
		grid-template-columns: 1fr;
	}

	.site-footer__grid {
		grid-template-columns: 1fr 1fr;
		gap: 36px;
	}
}

@media (max-width: 560px) {
	.eq-grid,
	.eq-grid--archive,
	.eq-grid--three {
		grid-template-columns: 1fr;
	}

	.stats__grid {
		grid-template-columns: 1fr 1fr;
		gap: 32px 16px;
	}

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

	.hero__inner {
		padding-top: 64px;
		padding-bottom: 60px;
	}

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

	.site-footer__grid {
		grid-template-columns: 1fr;
	}

	.cta__actions {
		width: 100%;
	}

	.cta__actions .btn {
		flex: 1;
	}
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

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