/* ==========================================================================
   RD Engineering 主题样式
   弱电工程 / 监控 / 机房 / 网络布线 行业站
   ========================================================================== */

:root {
	--rd-navy: #07101f;
	--rd-navy-600: #0f2540;
	--rd-navy-900: #04080f;
	--rd-accent: #22d3ee;
	--rd-accent-600: #06b6d4;
	--rd-accent-ink: #0e7490;
	--rd-accent-soft: #7dd3fc;
	--rd-indigo: #2563eb;
	--rd-blue: #0b76b8;
	--rd-ink: #0d1420;
	--rd-text: #354357;
	--rd-muted: #64748b;
	--rd-line: #e2e8f0;
	--rd-bg: #f4f8fc;
	--rd-white: #ffffff;
	--rd-radius: 14px;
	--rd-radius-sm: 10px;
	--rd-container: 1200px;
	--rd-shadow-sm: 0 1px 2px rgba(9, 20, 38, .05);
	--rd-shadow: 0 2px 4px rgba(9, 20, 38, .04), 0 16px 36px -20px rgba(9, 20, 38, .3);
	--rd-glow: 0 0 0 1px rgba(34, 211, 238, .4), 0 20px 44px -26px rgba(14, 165, 233, .65);
	--rd-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

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

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

img { max-width: 100%; height: auto; display: block; }
a { color: var(--rd-blue); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--rd-accent-ink); }

h1, h2, h3, h4 {
	margin: 0 0 .6em;
	color: var(--rd-ink);
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: -.01em;
}
h1 { font-size: clamp(28px, 4.4vw, 44px); }
h2 { font-size: clamp(22px, 3vw, 32px); }
h3 { font-size: clamp(17px, 1.6vw, 20px); }

p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.3em; }
li { margin-bottom: .35em; }
hr { border: 0; border-top: 1px solid var(--rd-line); margin: 2.5em 0; }

.rd-container {
	width: 100%;
	max-width: var(--rd-container);
	margin: 0 auto;
	padding: 0 24px;
}
.rd-narrow { max-width: 880px; }

.rd-skip {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--rd-navy);
	color: #fff;
	padding: 10px 16px;
	z-index: 999;
}
.rd-skip:focus { left: 0; color: #fff; }

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

/* ---------- 按钮 ---------- */
.rd-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 13px 22px;
	border: 1px solid transparent;
	border-radius: 8px;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.2;
	cursor: pointer;
	transition: transform .16s ease, background .16s ease, color .16s ease, box-shadow .16s ease;
}
.rd-btn:hover { transform: translateY(-1px); }
.rd-btn-sm { padding: 9px 16px; font-size: 14px; }
.rd-btn-lg { padding: 15px 26px; font-size: 16px; }
.rd-btn-block { width: 100%; }

.rd-btn-primary {
	background: linear-gradient(135deg, #0ea5e9 0%, var(--rd-indigo) 100%);
	color: #fff;
	box-shadow: 0 8px 20px -10px rgba(14, 165, 233, .9);
}
.rd-btn-primary:hover {
	background: linear-gradient(135deg, #06b6d4 0%, #1d4ed8 100%);
	color: #fff;
	box-shadow: 0 10px 26px -10px rgba(14, 165, 233, .95);
}

.rd-btn-ghost { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(125, 211, 252, .45); }
.rd-btn-ghost:hover { background: rgba(34, 211, 238, .14); color: #fff; border-color: #22d3ee; }

.rd-section .rd-btn-ghost,
.rd-content-wrap .rd-btn-ghost { background: #fff; color: var(--rd-navy); border-color: var(--rd-line); }
.rd-section .rd-btn-ghost:hover { border-color: var(--rd-navy); }

.rd-text-link { font-weight: 600; font-size: 15px; color: var(--rd-navy); }
.rd-text-link:hover { color: var(--rd-accent-ink); }

/* ---------- 顶栏 ---------- */
.rd-topbar {
	background: var(--rd-navy-900);
	color: rgba(255, 255, 255, .74);
	font-size: 13px;
}
.rd-topbar-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	min-height: 38px;
}
.rd-topbar a { color: #fff; font-weight: 600; }
.rd-topbar a:hover { color: #7dd3fc; }
.rd-topbar-contact { display: inline-flex; align-items: center; gap: 18px; }
.rd-hours { color: rgba(255, 255, 255, .55); }

/* ---------- 导航 ---------- */
.rd-header { position: relative; z-index: 60; }
.rd-navbar {
	background: #fff;
	border-bottom: 1px solid var(--rd-line);
	position: sticky;
	top: 0;
	z-index: 50;
	transition: box-shadow .2s ease;
}
.admin-bar .rd-navbar { top: 32px; }
.rd-navbar.is-stuck { box-shadow: 0 8px 28px -16px rgba(10, 37, 64, .45); }
.rd-navbar::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	height: 2px;
	background: linear-gradient(90deg, #22d3ee 0%, #2563eb 34%, rgba(37, 99, 235, 0) 72%);
	pointer-events: none;
}

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

.rd-brand-mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	border-radius: 10px;
	background: linear-gradient(135deg, #0ea5e9, #1e40af);
	box-shadow: 0 6px 16px -8px rgba(14, 165, 233, .8), inset 0 0 0 1px rgba(125, 211, 252, .35);
	color: #fff;
	font-weight: 800;
	font-size: 16px;
	letter-spacing: .04em;
}
.rd-brand-link { display: inline-flex; align-items: center; gap: 12px; color: var(--rd-ink); }
.rd-brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.rd-brand-text strong { font-size: 19px; font-weight: 700; color: var(--rd-ink); }
.rd-brand-text em { font-style: normal; font-size: 12px; color: var(--rd-muted); letter-spacing: .04em; }
.custom-logo-link img { max-height: 48px; width: auto; }

.rd-nav { margin-left: auto; }
.rd-menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.rd-menu > li { position: relative; margin: 0; }
.rd-menu > li > a {
	display: inline-block;
	padding: 10px 14px;
	color: var(--rd-ink);
	font-size: 15px;
	font-weight: 600;
	border-radius: 6px;
}
.rd-menu > li > a:hover,
.rd-menu > li.current-menu-item > a,
.rd-menu > li.current_page_item > a { color: var(--rd-accent-ink); background: rgba(34, 211, 238, .06); }

.rd-menu .sub-menu {
	position: absolute;
	top: calc(100% + 10px);
	left: 0;
	min-width: 190px;
	margin: 0;
	padding: 8px;
	list-style: none;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 12px;
	box-shadow: var(--rd-shadow);
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: all .18s ease;
}
.rd-menu li:hover > .sub-menu,
.rd-menu li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.rd-menu .sub-menu li { margin: 0; }
.rd-menu .sub-menu a {
	display: block;
	padding: 9px 12px;
	font-size: 14px;
	font-weight: 500;
	color: var(--rd-text);
	border-radius: 8px;
}
.rd-menu .sub-menu a:hover { background: var(--rd-bg); color: var(--rd-accent-ink); }

.rd-nav-actions { display: flex; align-items: center; gap: 12px; }

.rd-burger {
	display: none;
	width: 44px;
	height: 40px;
	padding: 0;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 8px;
	cursor: pointer;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
}
.rd-burger span { display: block; width: 18px; height: 2px; background: var(--rd-ink); border-radius: 2px; transition: .2s; }
.rd-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.rd-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.rd-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.rd-hero {
	position: relative;
	overflow: hidden;
	background: var(--rd-navy);
	color: #fff;
	padding: 76px 0 0;
}
.rd-hero-bg {
	position: absolute;
	inset: 0;
	background:
		radial-gradient(900px 460px at 84% -12%, rgba(37, 99, 235, .5), transparent 68%),
		radial-gradient(720px 360px at 6% 108%, rgba(34, 211, 238, .2), transparent 70%),
		linear-gradient(180deg, #07101f 0%, #050b15 100%);
}
.rd-hero-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
	background-size: 46px 46px;
	mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
	-webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
}
.rd-hero-inner {
	position: relative;
	display: grid;
	grid-template-columns: 1.25fr .75fr;
	gap: 56px;
	align-items: center;
	padding-bottom: 68px;
}
.rd-eyebrow {
	margin: 0 0 14px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--rd-accent-ink);
}
.rd-hero .rd-eyebrow,
.rd-area-hero .rd-eyebrow { color: var(--rd-accent); }
.rd-hero h1 { color: #fff; margin-bottom: 20px; }
.rd-hero h1 span { color: var(--rd-accent); }
.rd-hero-sub { max-width: 620px; font-size: 17px; color: rgba(255, 255, 255, .78); }
.rd-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 26px; }
.rd-hero-tags { display: flex; flex-wrap: wrap; gap: 8px 10px; list-style: none; margin: 0; padding: 0; }
.rd-hero-tags li {
	margin: 0;
	padding: 5px 12px;
	font-size: 13px;
	color: rgba(255, 255, 255, .8);
	border: 1px solid rgba(255, 255, 255, .18);
	border-radius: 999px;
	background: rgba(255, 255, 255, .04);
}

.rd-hero-card {
	position: relative;
	padding: 22px;
	border-radius: 16px;
	background: rgba(255, 255, 255, .07);
	border: 1px solid rgba(255, 255, 255, .14);
	backdrop-filter: blur(6px);
}
.rd-hero-card-title {
	margin: 0 0 14px;
	font-size: 13px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, .6);
}
.rd-hero-card ul { list-style: none; margin: 0; padding: 0; }
.rd-hero-card li { margin: 0; border-top: 1px solid rgba(255, 255, 255, .1); }
.rd-hero-card li:first-child { border-top: 0; }
.rd-hero-card a { display: block; padding: 11px 0; color: #fff; }
.rd-hero-card a:hover { color: #7dd3fc; }
.rd-hero-card strong { display: block; font-size: 15px; font-weight: 600; }
.rd-hero-card span { display: block; font-size: 12.5px; color: rgba(255, 255, 255, .55); line-height: 1.5; }
.rd-hero-card-foot {
	margin: 16px 0 0;
	padding-top: 14px;
	border-top: 1px solid rgba(255, 255, 255, .12);
	font-size: 12.5px;
	color: rgba(255, 255, 255, .6);
}

.rd-stats { position: relative; border-top: 1px solid rgba(255, 255, 255, .1); background: rgba(0, 0, 0, .18); }
.rd-stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.rd-stat { padding: 22px 8px; text-align: center; border-left: 1px solid rgba(255, 255, 255, .08); }
.rd-stat:first-child { border-left: 0; }
.rd-stat strong { display: block; font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; color: #fff; letter-spacing: -.02em; }
.rd-stat span { font-size: 13px; color: rgba(255, 255, 255, .55); }

/* ---------- 通用区块 ---------- */
.rd-section { padding: 84px 0; }
.rd-section-alt { background: var(--rd-bg); }
.rd-section-head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
	margin-bottom: 36px;
}
.rd-section-head h2 { margin: 0; }
.rd-section-head .rd-eyebrow { margin-bottom: 8px; }
.rd-section-desc { max-width: 460px; margin: 0; color: var(--rd-muted); font-size: 15px; }
.rd-section-title { font-size: 22px; margin: 0 0 22px; }
.rd-empty { color: var(--rd-muted); }

/* ---------- 网格 ---------- */
.rd-grid { display: grid; gap: 22px; }
.rd-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rd-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 服务网格：5 项等宽一行，无空缺 ---------- */
.rd-services { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }

/* ---------- 服务卡 ---------- */
.rd-svc {
	position: relative;
	display: flex;
	flex-direction: column;
	padding: 26px 24px 22px;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: var(--rd-radius);
	box-shadow: var(--rd-shadow-sm);
	transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
	overflow: hidden;
}
.rd-svc::before {
	content: "";
	position: absolute;
	left: 0; top: 0;
	width: 3px;
	height: 100%;
	background: linear-gradient(180deg, var(--rd-accent-ink), rgba(34, 211, 238, 0));
	opacity: 0;
	transition: opacity .2s ease;
}
.rd-svc:hover { transform: translateY(-4px); box-shadow: var(--rd-glow); border-color: rgba(34, 211, 238, .5); }
.rd-svc:hover::before { opacity: 1; }
.rd-svc-num {
	font-size: 12px;
	font-weight: 800;
	letter-spacing: .18em;
	color: var(--rd-accent-ink);
	margin-bottom: 8px;
}
.rd-svc h3 { margin: 0 0 8px; font-size: 18px; color: var(--rd-ink); }
.rd-svc p { margin: 0 0 18px; font-size: 14px; color: var(--rd-muted); line-height: 1.68; }
.rd-more { margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--rd-navy); }
.rd-svc:hover .rd-more { color: var(--rd-accent-ink); }

/* ---------- 案例 / 文章卡 ---------- */
.rd-card-item { margin: 0; }
.rd-card-link {
	display: flex;
	flex-direction: column;
	height: 100%;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: var(--rd-radius);
	overflow: hidden;
	box-shadow: var(--rd-shadow-sm);
	transition: transform .2s ease, box-shadow .2s ease;
}
.rd-card-link:hover { transform: translateY(-4px); box-shadow: var(--rd-glow); border-color: rgba(34, 211, 238, .45); }
.rd-card-thumb {
	position: relative;
	aspect-ratio: 16 / 10;
	background: linear-gradient(150deg, #0b2545 0%, #07101f 70%, #050c18 100%);
	overflow: hidden;
}
.rd-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.rd-card-link:hover .rd-card-thumb img { transform: scale(1.04); }
.rd-card-ph {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	font-size: 15px;
	color: rgba(255, 255, 255, .42);
	text-align: center;
	letter-spacing: .06em;
}
.rd-card-thumb::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
	background-size: 28px 28px;
	pointer-events: none;
}
.rd-card-tag {
	position: absolute;
	left: 14px;
	top: 14px;
	z-index: 2;
	padding: 4px 10px;
	font-size: 12px;
	font-weight: 600;
	color: var(--rd-navy);
	background: #fff;
	border-radius: 6px;
}
.rd-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.rd-card-body h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.45; color: var(--rd-ink); }
.rd-card-link:hover h3 { color: var(--rd-accent-ink); }
.rd-card-body p { margin: 0 0 16px; font-size: 14px; color: var(--rd-muted); line-height: 1.7; }
.rd-card-meta { margin-top: auto; font-size: 12.5px; color: #98a2b3; }

/* ---------- 为什么选择 ---------- */
.rd-why { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.rd-why-copy h2 { margin-bottom: 18px; }
.rd-why-copy .rd-prose p { color: var(--rd-text); }

.rd-facts { margin: 0; display: grid; gap: 1px; background: var(--rd-line); border: 1px solid var(--rd-line); border-radius: var(--rd-radius); overflow: hidden; }
.rd-fact { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 16px 20px; background: #fff; }
.rd-fact dt { font-size: 13.5px; color: var(--rd-muted); }
.rd-fact dd { margin: 0; font-size: 15px; font-weight: 600; color: var(--rd-ink); }

/* ---------- 地区卡 ---------- */
.rd-area {
	position: relative;
	display: flex;
	flex-direction: column;
	padding: 24px 22px;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: var(--rd-radius);
	transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rd-area:hover { transform: translateY(-4px); box-shadow: var(--rd-glow); border-color: rgba(34, 211, 238, .45); }
.rd-area h3 { margin: 0 0 6px; font-size: 18px; }
.rd-area p { margin: 0 0 16px; font-size: 14px; color: var(--rd-muted); }
.rd-area .rd-more { margin-top: auto; font-size: 13.5px; }

/* ---------- FAQ ---------- */
.rd-faq { display: grid; gap: 10px; }
.rd-faq-item {
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: var(--rd-radius-sm);
	padding: 0 20px;
	transition: border-color .2s ease;
}
.rd-faq-item[open] { border-color: #cfd6df; }
.rd-faq-item summary {
	position: relative;
	padding: 17px 34px 17px 0;
	font-size: 16px;
	font-weight: 600;
	color: var(--rd-ink);
	cursor: pointer;
	list-style: none;
}
.rd-faq-item summary::-webkit-details-marker { display: none; }
.rd-faq-item summary::after {
	content: "+";
	position: absolute;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	font-size: 22px;
	font-weight: 400;
	color: var(--rd-accent-ink);
	line-height: 1;
}
.rd-faq-item[open] summary::after { content: "−"; }
.rd-faq-a { padding: 0 0 18px; font-size: 15px; color: var(--rd-text); }

/* ---------- 转化区 ---------- */
.rd-cta-wrap { background: #fff; padding: 0 0 84px; }
.rd-cta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	padding: 38px 40px;
	background: linear-gradient(120deg, var(--rd-navy) 0%, #0f2540 62%, #0e7490 100%);
	border-radius: 18px;
	color: #fff;
	box-shadow: 0 24px 48px -32px rgba(10, 37, 64, .7);
}
.rd-cta h2 { color: #fff; margin: 0 0 6px; font-size: clamp(20px, 2.2vw, 26px); }
.rd-cta p { margin: 0; color: rgba(255, 255, 255, .72); font-size: 15px; }
.rd-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: 0 0 auto; }
.rd-cta-note { margin: 12px 0 0; font-size: 13px; color: var(--rd-muted); text-align: right; }

/* ---------- 页脚 ---------- */
.rd-footer { background: var(--rd-navy-900); color: rgba(255, 255, 255, .6); font-size: 14px; }
.rd-footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
	gap: 40px;
	padding: 64px 24px 48px;
}
.rd-footer-logo { margin: 0 0 12px; font-size: 19px; font-weight: 700; color: #fff; }
.rd-footer-intro { margin: 0 0 16px; font-size: 13.5px; line-height: 1.8; color: rgba(255, 255, 255, .55); }
.rd-footer-area { margin: 0 0 16px; font-size: 12.5px; line-height: 1.7; color: rgba(255, 255, 255, .42); }
.rd-footer-tel { font-size: 22px; font-weight: 700; color: #7dd3fc; letter-spacing: .02em; }
.rd-footer-title { margin: 0 0 16px; font-size: 14px; font-weight: 700; color: #fff; }
.rd-footer ul { list-style: none; margin: 0; padding: 0; }
.rd-footer li { margin: 0 0 9px; font-size: 13.5px; line-height: 1.6; }
.rd-footer a { color: rgba(255, 255, 255, .62); }
.rd-footer a:hover { color: #fff; }
.rd-footer-contact li { color: rgba(255, 255, 255, .55); }
.rd-footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); }
.rd-footer-bottom-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 20px 24px;
	font-size: 12.5px;
	color: rgba(255, 255, 255, .42);
}
.rd-footer-bottom p { margin: 0; }
.rd-sep { margin: 0 8px; opacity: .4; }

/* ---------- 页头 / 面包屑 ---------- */
.rd-page-head {
	background: var(--rd-bg);
	border-bottom: 1px solid var(--rd-line);
	padding: 44px 0 40px;
}
.rd-page-head h1 { margin: 10px 0 8px; font-size: clamp(24px, 3.2vw, 36px); }
.rd-page-sub { max-width: 760px; margin: 0; color: var(--rd-muted); font-size: 15.5px; }

.rd-crumb { font-size: 12.5px; color: var(--rd-muted); }
.rd-crumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.rd-crumb li { margin: 0; display: inline-flex; align-items: center; gap: 6px; }
.rd-crumb li + li::before { content: "/"; color: #c3cbd6; }
.rd-crumb a { color: var(--rd-muted); }
.rd-crumb a:hover { color: var(--rd-accent-ink); }
.rd-crumb li[aria-current] { color: var(--rd-ink); font-weight: 600; }

/* ---------- 内容区 ---------- */
.rd-content-wrap { padding: 48px 24px 72px; }
.rd-page-thumb { margin: 0 0 32px; border-radius: var(--rd-radius); overflow: hidden; }

.rd-prose { font-size: 16.5px; line-height: 1.85; max-width: 820px; }
.rd-prose > * { max-width: 100%; }
.rd-prose h2 { margin: 2em 0 .7em; font-size: 24px; padding-bottom: .35em; border-bottom: 1px solid var(--rd-line); }
.rd-prose h3 { margin: 1.6em 0 .5em; font-size: 19px; }
.rd-prose ul, .rd-prose ol { padding-left: 1.4em; }
.rd-prose li { margin-bottom: .5em; }
.rd-prose blockquote {
	margin: 1.8em 0;
	padding: 16px 22px;
	border-left: 3px solid var(--rd-accent-ink);
	background: var(--rd-bg);
	color: var(--rd-text);
	font-size: 15.5px;
}
.rd-prose blockquote p:last-child { margin: 0; }
.rd-prose table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 15px; }
.rd-prose th, .rd-prose td { border: 1px solid var(--rd-line); padding: 10px 14px; text-align: left; }
.rd-prose th { background: var(--rd-bg); }
.rd-prose img { border-radius: var(--rd-radius-sm); }
.rd-prose figcaption { font-size: 13px; color: var(--rd-muted); text-align: center; margin-top: 8px; }

/* ---------- 单篇 ---------- */
.rd-single-meta { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 12px; }
.rd-single-meta span, .rd-single-meta time {
	padding: 4px 11px;
	font-size: 12.5px;
	color: var(--rd-text);
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 999px;
}
.rd-tldr {
	max-width: 820px;
	margin: 0 0 32px;
	padding: 20px 24px;
	background: #ecfeff;
	border: 1px solid #a5f3fc;
	border-radius: var(--rd-radius);
}
.rd-tldr-label {
	margin: 0 0 6px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .12em;
	text-transform: uppercase;
	color: var(--rd-accent-ink);
}
.rd-tldr p:last-child { margin: 0; font-size: 15.5px; color: #155e75; }

.rd-case-facts { max-width: 820px; margin: 40px 0 0; padding: 24px; background: var(--rd-bg); border-radius: var(--rd-radius); }
.rd-case-facts h2 { margin: 0 0 16px; font-size: 18px; }
.rd-case-facts dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px; margin: 0; }
.rd-case-facts div { display: flex; flex-direction: column; }
.rd-case-facts dt { font-size: 12.5px; color: var(--rd-muted); }
.rd-case-facts dd { margin: 2px 0 0; font-weight: 600; color: var(--rd-ink); }

.rd-single-cta {
	max-width: 820px;
	margin: 36px 0 0;
	padding: 22px 24px;
	background: #fff;
	border: 1px solid var(--rd-line);
	border-left: 3px solid var(--rd-accent-ink);
	border-radius: var(--rd-radius-sm);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	flex-wrap: wrap;
}
.rd-single-cta p { margin: 0; font-size: 15px; }

.rd-related { padding: 8px 0 72px; }

/* ---------- 归档 / 筛选 ---------- */
.rd-archive { padding: 44px 24px 76px; }
.rd-filters { display: grid; gap: 12px; margin-bottom: 34px; }
.rd-filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.rd-filter-label { font-size: 13px; color: var(--rd-muted); margin-right: 4px; }
.rd-chip {
	padding: 6px 14px;
	font-size: 13.5px;
	color: var(--rd-text);
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 999px;
}
.rd-chip:hover { border-color: var(--rd-navy); color: var(--rd-navy); }
.rd-chip.is-active { background: var(--rd-navy); border-color: var(--rd-navy); color: #fff; }

.rd-pagination { margin-top: 44px; }
.rd-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.rd-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	height: 40px;
	padding: 0 12px;
	font-size: 14px;
	color: var(--rd-text);
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 8px;
}
.rd-pagination .page-numbers.current { background: var(--rd-navy); border-color: var(--rd-navy); color: #fff; }
.rd-pagination .page-numbers:hover { border-color: var(--rd-navy); color: var(--rd-navy); }

.rd-empty-state { padding: 60px 0; text-align: center; color: var(--rd-muted); }

/* ---------- 地区页 ---------- */
.rd-area-hero {
	background: linear-gradient(120deg, var(--rd-navy), #0f2540);
	color: #fff;
	padding: 56px 0 52px;
}
.rd-area-hero h1 { color: #fff; margin: 12px 0 12px; }
.rd-area-hero .rd-page-sub { color: rgba(255, 255, 255, .75); }
.rd-area-hero .rd-crumb, .rd-area-hero .rd-crumb a { color: rgba(255, 255, 255, .55); }
.rd-area-hero .rd-crumb li[aria-current] { color: rgba(255, 255, 255, .9); }

/* ---------- 联系页 ---------- */
.rd-contact { display: grid; grid-template-columns: 1.5fr .85fr; gap: 44px; padding: 48px 24px 80px; }
.rd-contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 32px; }
.rd-contact-card { padding: 20px; background: var(--rd-bg); border-radius: var(--rd-radius-sm); border: 1px solid var(--rd-line); }
.rd-contact-label { margin: 0 0 6px; font-size: 12.5px; color: var(--rd-muted); }
.rd-contact-value { margin: 0; font-size: 19px; font-weight: 700; color: var(--rd-ink); word-break: break-all; }
a.rd-contact-value:hover { color: var(--rd-accent-ink); }
.rd-contact-addr { font-size: 16px; line-height: 1.55; }
.rd-contact-note { margin: 6px 0 0; font-size: 12.5px; color: #98a2b3; }
.rd-map-note { margin-top: 24px; padding: 16px 20px; border: 1px dashed #cfd6df; border-radius: var(--rd-radius-sm); font-size: 14px; color: var(--rd-muted); }
.rd-map-note p { margin: 0; }
.rd-contact-box { padding: 28px 26px; background: var(--rd-navy); border-radius: var(--rd-radius); color: rgba(255, 255, 255, .75); position: sticky; top: 100px; }
.rd-contact-box h2 { color: #fff; font-size: 20px; margin-bottom: 10px; }
.rd-contact-box ol { padding-left: 1.2em; font-size: 14px; }
.rd-contact-box .rd-btn { margin-top: 10px; }
.rd-contact-tip { margin: 14px 0 0; font-size: 12px; color: rgba(255, 255, 255, .45); }

/* ---------- 搜索 ---------- */
.rd-search-wrap { max-width: 520px; margin-top: 18px; }
.rd-search { display: flex; gap: 8px; }
.rd-search input[type="search"] {
	flex: 1;
	min-width: 0;
	padding: 12px 16px;
	font-size: 15px;
	font-family: inherit;
	color: var(--rd-ink);
	background: #fff;
	border: 1px solid var(--rd-line);
	border-radius: 8px;
}
.rd-search input[type="search"]:focus { outline: 2px solid rgba(27, 111, 184, .35); outline-offset: 1px; border-color: var(--rd-blue); }
.rd-search button {
	padding: 12px 22px;
	font-size: 15px;
	font-weight: 600;
	font-family: inherit;
	color: #fff;
	background: linear-gradient(135deg, #0ea5e9, var(--rd-indigo));
	border: 0;
	border-radius: 8px;
	cursor: pointer;
}
.rd-search button:hover { background: linear-gradient(135deg, #06b6d4, #1d4ed8); }

/* ---------- 404 ---------- */
.rd-404 { padding: 80px 0 96px; text-align: center; }
.rd-404-code { margin: 0; font-size: 84px; font-weight: 800; line-height: 1; color: #e4e7ec; letter-spacing: -.04em; }
.rd-404 h1 { margin: 12px 0 10px; }
.rd-404-desc { color: var(--rd-muted); max-width: 560px; margin: 0 auto; }
.rd-404 .rd-search-wrap { margin: 24px auto 0; }
.rd-404-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.rd-404-links { margin-top: 40px; font-size: 14px; color: var(--rd-muted); }
.rd-404-links ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; list-style: none; padding: 0; margin: 10px 0 0; }
.rd-404-links li { margin: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
	.rd-hero-inner { grid-template-columns: 1fr; gap: 36px; padding-bottom: 52px; }
	.rd-hero-card { max-width: 520px; }
	.rd-why { grid-template-columns: 1fr; gap: 32px; }
	.rd-contact { grid-template-columns: 1fr; }
	.rd-contact-box { position: static; }
	.rd-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
	.rd-services { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
	.rd-services > .rd-svc:last-child:nth-child(odd) { grid-column: span 2; }
}

@media (max-width: 980px) {
	.rd-cols-3, .rd-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.rd-burger { display: flex; }
	.rd-nav {
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		display: none;
		padding: 10px 20px 20px;
		background: #fff;
		border-bottom: 1px solid var(--rd-line);
		box-shadow: 0 20px 40px -24px rgba(10, 37, 64, .5);
		max-height: calc(100vh - 80px);
		overflow-y: auto;
	}
	.rd-nav.is-open { display: block; }
	.rd-menu { flex-direction: column; align-items: stretch; gap: 2px; }
	.rd-menu > li > a { padding: 12px 10px; border-radius: 8px; }
	.rd-menu .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: 0;
		border-left: 2px solid var(--rd-line);
		border-radius: 0;
		margin: 2px 0 6px 14px;
		padding: 0 0 0 8px;
		min-width: 0;
		display: none;
	}
	.rd-menu li.is-open > .sub-menu { display: block; }
	.rd-nav-inner { flex-wrap: wrap; }
	.rd-section { padding: 60px 0; }
	.rd-cta { flex-direction: column; align-items: flex-start; padding: 30px; }
	.rd-cta-note { text-align: left; }
	.rd-cta-wrap { padding-bottom: 60px; }
	.rd-section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 720px) {
	.rd-topbar-area { display: none; }
	.rd-topbar-inner { justify-content: center; }
	.rd-hours { display: none; }
	.rd-cols-3, .rd-cols-4 { grid-template-columns: 1fr; }
	.rd-services { grid-template-columns: 1fr; }
	.rd-services > .rd-svc:last-child:nth-child(odd) { grid-column: span 1; }
	.rd-stats-inner { grid-template-columns: repeat(2, 1fr); }
	.rd-stat { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .08); }
	.rd-stat:nth-child(-n+2) { border-top: 0; }
	.rd-fact { grid-template-columns: 1fr; gap: 2px; padding: 14px 18px; }
	.rd-contact-grid { grid-template-columns: 1fr; }
	.rd-footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 44px 24px 32px; }
	.rd-footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
	.rd-prose { font-size: 16px; }
	.rd-nav-actions .rd-btn { display: none; }
	.rd-case-facts dl { grid-template-columns: 1fr; }
	.rd-single-cta { flex-direction: column; align-items: flex-start; }
	.rd-page-head { padding: 32px 0 28px; }
	.rd-content-wrap { padding: 32px 24px 56px; }
}

/* ---------- 吸底电话条（仅手机端） ---------- */
.rd-mbar {
	display: none;
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 999;
	gap: 10px;
	padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
	background: rgba(4, 8, 15, .92);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border-top: 1px solid rgba(255, 255, 255, .1);
	box-shadow: 0 -10px 30px -18px rgba(0, 0, 0, .8);
}
.rd-mbar a {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 46px;
	border-radius: 10px;
	font-size: 15px;
	font-weight: 700;
	text-align: center;
}
.rd-mbar-call { background: linear-gradient(135deg, #06b6d4, #1d4ed8); color: #fff; box-shadow: 0 6px 18px -8px rgba(6, 182, 212, .7); }
.rd-mbar-call svg { flex: none; }
.rd-mbar-ask { background: rgba(255, 255, 255, .1); color: #fff; border: 1px solid rgba(255, 255, 255, .35); }
.rd-mbar-ask:hover { background: rgba(255, 255, 255, .18); color: #fff; }

@media (max-width: 720px) {
	body { padding-bottom: 72px; }
	.rd-mbar { display: flex; }
}

/* WordPress 对齐类 */
.alignwide { max-width: 1100px; }
.alignfull { max-width: 100%; }
.aligncenter { margin-left: auto; margin-right: auto; }
.wp-block-image figcaption { text-align: center; }