/*
Theme Name: INSWIN 英智源
Theme URI: https://www.china-inswin.com
Author: INSWIN
Description: 英智源智慧安全公司官网自定义主题，深色指挥风格+青色(#00E5FF)点缀。
Version: 1.0.0
Text Domain: inswin
*/

/* ========== Design System Variables ========== */
:root {
  --color-primary: #00E5FF;
  --color-primary-dark: #00B8D4;
  --color-cyan-on-light: #00838F; /* 白底上的强调青，对比度 ~4.4:1，满足 WCAG AA */
  --color-bg-dark: #0A1628;
  --color-bg-darker: #102A43;
  --color-blue: #1E6FFF;
  --color-danger: #E63946;
  --color-success: #2ECC71;
  --color-text: #1F2933;
  --color-text-secondary: #52606D;
  --color-text-tertiary: #9AA5B1;
  --color-bg-gray: #F5F7FA;
  --color-border: #E4E7EB;
  --color-footer: #1F2933;
  --gradient-dark: linear-gradient(135deg, #0A1628, #102A43);
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", Inter, sans-serif;
  --space-unit: 4px;
  --section-padding-desktop: 96px;
  --section-padding-tablet: 64px;
  --section-padding-mobile: 48px;
  --container-max: 1200px;
  --radius-btn: 8px;
  --radius-card: 12px;
  --radius-card-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.16);
  --nav-height: 80px;
  --nav-height-scrolled: 64px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: #fff;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-cyan-on-light); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-padding-desktop) 0; }
.section-title { font-size: 36px; text-align: center; margin-bottom: 16px; }
.section-subtitle { font-size: 18px; color: var(--color-text-secondary); text-align: center; max-width: 720px; margin: 0 auto 56px; }
.text-cyan { color: var(--color-cyan-on-light); }
/* 深色背景容器内的强调字恢复亮青，保证深底可读性 */
.hero .text-cyan,
.page-hero .text-cyan,
.data-backing .text-cyan,
.about-cta .text-cyan,
.site-footer .text-cyan { color: var(--color-primary); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-btn);
  font-size: 16px; font-weight: 600; cursor: pointer;
  border: none; transition: all .25s; text-align: center;
}
.btn-primary { background: var(--color-primary); color: #0A1628; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,229,255,.3); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.3); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline-dark { background: transparent; color: var(--color-text); border: 2px solid var(--color-border); }
.btn-outline-dark:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ========== Header / Navigation ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center;
  transition: all .3s ease;
  background: transparent;
}
.site-header.scrolled {
  height: var(--nav-height-scrolled);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.site-logo { display: flex; align-items: center; gap: 10px; }
.site-logo .logo-mark {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--gradient-dark); display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); font-weight: 800; font-size: 18px;
}
.site-logo .logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.site-logo .logo-text .brand { font-size: 20px; font-weight: 800; color: #fff; }
.site-header.scrolled .site-logo .logo-text .brand { color: var(--color-text); }
.site-logo .logo-text .slogan { font-size: 11px; color: rgba(255,255,255,.7); }
.site-header.scrolled .site-logo .logo-text .slogan { color: var(--color-text-tertiary); }

.main-nav ul { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  color: rgba(255,255,255,.92);
  position: relative; padding: 28px 0;
  transition: color .2s ease;
}
.site-header.scrolled .main-nav a { color: var(--color-text-secondary); padding: 20px 0; }
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 16px;
  width: 100%; height: 2px; background: var(--color-primary);
  transform: scaleX(0); transform-origin: left center; transition: transform .25s ease;
}
.site-header.scrolled .main-nav a::after { bottom: 12px; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

/* Dropdown */
.main-nav li { position: relative; }
.main-nav li.has-dropdown > a::before {
  content: ''; display: inline-block; margin-left: 7px; vertical-align: middle;
  border: 4px solid transparent; border-top-color: currentColor; transform: translateY(-1px);
}
.main-nav .sub-menu {
  display: block; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #0F2440; border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.2);
  border: 1px solid rgba(0,229,255,.15);
  padding: 4px; min-width: 168px; z-index: 100;
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.main-nav li:hover > .sub-menu,
.main-nav li:focus-within > .sub-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.main-nav .sub-menu a {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 12px !important; min-height: 38px; box-sizing: border-box; font-size: 13px; font-weight: 500; letter-spacing: .02em; line-height: 1.5; gap: 8px;
  color: rgba(255,255,255,.85) !important; white-space: nowrap; border-radius: 6px;
}
.main-nav .sub-menu .nav-ico {
  display: inline-flex; align-items: center; color: var(--color-primary); flex: none;
}
.main-nav .sub-menu .nav-ico svg { width: 14px; height: 14px; display: block; }
.main-nav .sub-menu a::after { display: none !important; }
.main-nav .sub-menu a:hover { color: #fff !important; background: rgba(0,229,255,.14); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px; border-radius: var(--radius-pill);
  background: var(--color-primary); color: #0A1628; font-weight: 700; font-size: 15px;
  transition: all .25s;
}
.header-phone:hover { background: var(--color-primary-dark); color: #fff; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: #fff; transition: all .3s;
}
.site-header.scrolled .hamburger span { background: var(--color-text); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed; top: 0; right: -300px; width: 300px; height: 100vh;
  background: var(--gradient-dark); z-index: 1001;
  padding: 80px 32px 32px; transition: right .3s ease;
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; box-shadow: -8px 0 32px rgba(0,0,0,.3); }
.mobile-drawer ul li { border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-drawer a { display: block; padding: 16px 0; color: #fff; font-size: 17px; }
.mobile-drawer a:hover { color: var(--color-primary); }
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1000;
  opacity: 0; visibility: hidden; transition: all .3s;
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ========== Hero ========== */
.hero {
  min-height: 100vh;
  background: var(--gradient-dark);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  padding: 160px 0 0;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero h1 { font-size: 56px; color: #fff; line-height: 1.15; margin-bottom: 24px; }
.hero .hero-subtitle { font-size: 18px; color: rgba(255,255,255,.7); margin-bottom: 40px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.dashboard-mockup {
    position: relative;
    background: #0F2440;
    border: 1px solid rgba(0,229,255,.25);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.45), inset 0 0 40px rgba(0,229,255,.04);
    overflow: hidden;
    font-size: 13px;
    color: rgba(255,255,255,.85);
}
.dm-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.08);
    background: rgba(0,0,0,.2);
}
.dm-live { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: 1px; color: #00E5FF; }
.dm-live i { width: 7px; height: 7px; border-radius: 50%; background: #E63946; box-shadow: 0 0 8px #E63946; animation: dm-blink 1.4s ease-in-out infinite; }
.dm-title { font-size: 13px; font-weight: 600; color: #fff; }
.dm-time { font-size: 12px; color: rgba(255,255,255,.5); font-variant-numeric: tabular-nums; }
.dm-body { display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; padding: 14px; }
.dm-map {
    position: relative; height: 220px; border-radius: 8px;
    background:
        linear-gradient(rgba(0,229,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,.06) 1px, transparent 1px),
        radial-gradient(circle at 60% 40%, rgba(0,229,255,.12), transparent 60%),
        #0A1B30;
    background-size: 20px 20px, 20px 20px, 100% 100%, 100% 100%;
    border: 1px solid rgba(0,229,255,.12);
    overflow: hidden;
}
.dm-pin {
    position: absolute; width: 8px; height: 8px; border-radius: 50%;
    background: #00E5FF; box-shadow: 0 0 10px #00E5FF;
    transform: translate(-50%, -50%);
    animation: dm-pulse 2.2s ease-in-out infinite;
}
.dm-pin:nth-of-type(2) { animation-delay: .7s; }
.dm-pin:nth-of-type(3) { animation-delay: 1.4s; }
.dm-stats { display: flex; flex-direction: column; gap: 10px; }
.dm-stat {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06);
    border-radius: 8px; padding: 12px 14px;
    display: flex; flex-direction: column; gap: 2px;
}
.dm-stat b { font-size: 24px; font-weight: 800; color: #00E5FF; line-height: 1; }
.dm-stat span { font-size: 11px; color: rgba(255,255,255,.55); }
.dm-stat.dm-warn b { color: #FFB020; }
.dm-bottombar {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; border-top: 1px solid rgba(255,255,255,.08);
    background: rgba(0,0,0,.2);
    font-size: 11px;
}
.dm-status { color: #2ECC71; flex-shrink: 0; }
.dm-progress { flex: 1; height: 4px; background: rgba(255,255,255,.08); border-radius: 2px; overflow: hidden; }
.dm-progress i { display: block; height: 100%; width: 70%; background: linear-gradient(90deg, #00E5FF, #1E6FFF); border-radius: 2px; animation: dm-progress 3s ease-in-out infinite alternate; }
.dashboard-mockup::before {
    content: ''; position: absolute; top: 0; left: 12%; right: 12%; height: 2px;
    background: linear-gradient(90deg, transparent, #00E5FF, transparent);
    box-shadow: 0 0 12px rgba(0,229,255,.6);
    pointer-events: none;
}
@keyframes dm-blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes dm-pulse { 0%,100% { box-shadow: 0 0 10px #00E5FF; } 50% { box-shadow: 0 0 20px #00E5FF; } }
@keyframes dm-progress { from { width: 60%; } to { width: 92%; } }

.hero-stats {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 80px;
}
.hero-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 40px 24px; }
.stat-num { font-size: 48px; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-label { font-size: 14px; color: rgba(255,255,255,.6); margin-top: 8px; }

/* ========== Industry Solutions ========== */
.industry-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.industry-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card);
  padding: 32px 24px; position: relative; transition: all .3s;
  overflow: hidden;
}
.industry-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-color, var(--color-primary)); transform: scaleX(0); transition: transform .3s;
}
.industry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,229,255,.4); }
.industry-card:hover::before { transform: scaleX(1); }
.industry-card .icon {
  width: 56px; height: 56px; border-radius: 12px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--card-color, #1E6FFF), var(--color-primary));
  color: #fff; font-size: 24px;
}
.industry-card h3 { font-size: 20px; margin-bottom: 12px; }
.industry-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

/* ========== Product Center ========== */
.product-center { background: var(--color-bg-gray); }
.product-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.product-tab {
  padding: 10px 24px; border-radius: var(--radius-pill);
  background: #fff; border: 1px solid var(--color-border);
  font-size: 15px; cursor: pointer; transition: all .25s; color: var(--color-text-secondary);
}
.product-tab.active, .product-tab:hover { background: var(--color-bg-dark); color: #fff; border-color: var(--color-bg-dark); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: #fff; border-radius: var(--radius-card); overflow: hidden;
  transition: all .3s; border: 1px solid var(--color-border);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.product-card .product-img {
  height: 200px; background: linear-gradient(135deg, #E8F4FD, #D1E9FF);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; color: var(--color-blue);
}
.product-card .product-body { padding: 24px; }
.product-card .product-cat { font-size: 12px; color: var(--color-cyan-on-light); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.product-card h3 { font-size: 18px; margin: 8px 0; }
.product-card p { font-size: 14px; color: var(--color-text-secondary); }

/* ========== Data Backing ========== */
.data-backing { background: var(--gradient-dark); color: #fff; }
.data-backing .section-title { color: #fff; }
.data-backing .section-subtitle { color: rgba(255,255,255,.6); }
.data-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.data-item .data-num { font-size: 64px; font-weight: 800; color: var(--color-primary); line-height: 1; }
.data-item .data-label { font-size: 16px; color: rgba(255,255,255,.7); margin-top: 12px; }

/* ========== Case Studies ========== */
.logo-wall {
  display: flex; justify-content: center; align-items: center; gap: 48px;
  flex-wrap: wrap; margin-bottom: 56px; opacity: .6;
}
.logo-wall .logo-item {
  font-size: 20px; font-weight: 700; color: var(--color-text-tertiary);
  filter: grayscale(100%); transition: all .3s;
}
.logo-wall .logo-item:hover { filter: grayscale(0); color: var(--color-text); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border-radius: var(--radius-card); overflow: hidden;
  border: 1px solid var(--color-border); transition: all .3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card .case-img {
  height: 220px; background: linear-gradient(135deg, #102A43, #1E6FFF);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.8); font-size: 18px;
}
.case-card .case-body { padding: 24px; }
.case-tag {
  display: inline-block; padding: 4px 12px; border-radius: var(--radius-pill);
  background: #E8F4FD; color: var(--color-blue); font-size: 12px; font-weight: 600; margin-bottom: 12px;
}
.case-card h3 { font-size: 18px; margin-bottom: 8px; }
.case-card p { font-size: 14px; color: var(--color-text-secondary); }

/* ========== News ========== */
.news-section { background: var(--color-bg-gray); }
.news-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.news-header h2 { font-size: 32px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--radius-card); overflow: hidden;
  transition: all .3s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-card .news-thumb {
  height: 200px; background: linear-gradient(135deg, #E4E7EB, #CBD2D9);
  display: flex; align-items: center; justify-content: center; color: var(--color-text-tertiary);
}
.news-card .news-body { padding: 24px; }
.news-meta { font-size: 13px; color: var(--color-text-tertiary); margin-bottom: 8px; }
.news-meta .cat { color: var(--color-cyan-on-light); font-weight: 600; margin-right: 12px; }
.news-card h3 { font-size: 17px; margin-bottom: 8px; }
.news-card h3 a { color: var(--color-text); }
.news-card h3 a:hover { color: var(--color-cyan-on-light); }
.news-card p { font-size: 14px; color: var(--color-text-secondary); }

/* ========== Partners ========== */
.partners-section { text-align: center; }
.partner-logos { display: flex; justify-content: center; gap: 80px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.partner-logo {
  font-size: 28px; font-weight: 800; color: var(--color-text-tertiary);
  padding: 20px 40px; border: 1px solid var(--color-border); border-radius: var(--radius-card);
}
.partner-note { font-size: 13px; color: var(--color-text-tertiary); }

/* ========== CTA Form ========== */
.cta-section { background: var(--gradient-dark); color: #fff; }
.cta-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-section h2 { font-size: 36px; margin-bottom: 16px; }
.cta-section .cta-sub { font-size: 17px; color: rgba(255,255,255,.7); margin-bottom: 32px; }
.cta-trust { display: flex; gap: 24px; flex-wrap: wrap; }
.cta-trust span { font-size: 14px; color: rgba(255,255,255,.6); display: flex; align-items: center; gap: 6px; }
.cta-trust span::before { content: '✓'; color: var(--color-success); }
.cta-form {
  background: #fff; border-radius: var(--radius-card-lg); padding: 40px;
}
.cta-form .form-row { margin-bottom: 20px; }
.cta-form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.cta-form input, .cta-form select, .cta-form textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--color-border);
  border-radius: var(--radius-btn); font-size: 15px; font-family: var(--font-stack);
  transition: border-color .2s;
}
.cta-form input:focus, .cta-form select:focus, .cta-form textarea:focus {
  outline: none; border-color: var(--color-primary);
}
.cta-form .form-error { color: var(--color-danger); font-size: 13px; margin-top: 4px; display: none; }
.cta-form .btn { width: 100%; justify-content: center; }
.cta-form .privacy-note { font-size: 12px; color: var(--color-text-tertiary); margin-top: 16px; text-align: center; }

/* ========== Footer ========== */
.site-footer { background: var(--color-footer); color: rgba(255,255,255,.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr .7fr .7fr .7fr .7fr 1.1fr .9fr; gap: 28px; padding-bottom: 48px; }
.footer-grid h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
.footer-grid p, .footer-grid li { font-size: 14px; line-height: 1.8; }
.footer-grid a { color: rgba(255,255,255,.6); }
.footer-grid a:hover { color: var(--color-primary); }
.footer-contact li { display: flex; gap: 8px; margin-bottom: 8px; }
.footer-qr {
  background: #fff; border-radius: 8px; padding: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--color-text-tertiary);
  font-size: 12px; text-align: center;
  max-width: 148px; box-sizing: border-box;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0;
  text-align: center; font-size: 13px; color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.5); margin: 0 8px; }
.footer-bottom a:hover { color: var(--color-primary); }

/* ========== Inner Page Hero ========== */
.page-hero {
  background: var(--gradient-dark); color: #fff;
  padding: 160px 0 80px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 44px; margin-bottom: 16px; }
.page-hero p { font-size: 18px; color: rgba(255,255,255,.7); max-width: 640px; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.5); margin-bottom: 24px; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ========== Product Detail ========== */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.product-detail-img {
  background: linear-gradient(135deg, #E8F4FD, #D1E9FF); border-radius: var(--radius-card-lg);
  height: 400px; display: flex; align-items: center; justify-content: center; color: var(--color-blue);
}
.spec-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.spec-table th, .spec-table td { padding: 14px 16px; border: 1px solid var(--color-border); text-align: left; font-size: 14px; }
.spec-table th { background: var(--color-bg-gray); font-weight: 600; width: 160px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 24px 0; }
.feature-item { display: flex; gap: 12px; align-items: flex-start; }
.feature-item .feat-icon { color: var(--color-primary); font-size: 20px; flex-shrink: 0; }

/* ========== Sidebar Layout ========== */
.sidebar-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.sidebar-product { position: sticky; top: 100px; }
.sidebar-product h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-tertiary); margin-bottom: 16px; }
.sidebar-product .cat-group { margin-bottom: 24px; }
.sidebar-product .cat-group-title { font-weight: 600; font-size: 15px; margin-bottom: 8px; color: var(--color-text); }
.sidebar-product ul li a {
  display: block; padding: 6px 0 6px 16px; font-size: 14px; color: var(--color-text-secondary);
}
.sidebar-product ul li a:hover, .sidebar-product ul li a.active { color: var(--color-cyan-on-light); }

/* ========== About Page ========== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.timeline { position: relative; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before {
  content: ''; position: absolute; left: -36px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--color-primary); border: 2px solid #fff; box-shadow: 0 0 0 3px rgba(0,229,255,.2);
}
.timeline-item .year { font-size: 20px; font-weight: 800; color: var(--color-cyan-on-light); }
.timeline-item p { font-size: 14px; color: var(--color-text-secondary); margin-top: 4px; }

/* ========== Privacy Page ========== */
.privacy-content { max-width: 800px; margin: 0 auto; padding: 64px 0; }
.privacy-content h2 { font-size: 22px; margin: 32px 0 16px; }
.privacy-content p { margin-bottom: 16px; color: var(--color-text-secondary); line-height: 1.8; }

/* ========== Contact Page ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info-item .icon {
  width: 48px; height: 48px; border-radius: 12px; background: #E8F4FD;
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0;
}
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-card); margin-bottom: 12px; overflow: hidden; }
.faq-q {
  padding: 18px 24px; cursor: pointer; font-weight: 600; display: flex; justify-content: space-between; align-items: center;
  background: #fff;
}
.faq-q:hover { background: var(--color-bg-gray); }

.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s; color: var(--color-text-secondary); }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }

/* ========== Mobile Bottom Bar ========== */
.mobile-call-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: #fff; box-shadow: 0 -2px 12px rgba(0,0,0,.1);
  padding: 12px 24px; padding-bottom: calc(12px + env(safe-area-inset-bottom));
  justify-content: space-around; align-items: center;
}
.mobile-call-bar a {
  display: flex; align-items: center; gap: 8px; font-weight: 600;
}
.mobile-call-bar .call-btn { background: var(--color-primary); color: #0A1628; padding: 10px 24px; border-radius: var(--radius-pill); }

/* ========== Pagination ========== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.pagination .page-numbers {
  padding: 8px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-btn);
  font-size: 14px; color: var(--color-text-secondary);
}
.pagination .page-numbers.current { background: var(--color-bg-dark); color: #fff; border-color: var(--color-bg-dark); }
.pagination .page-numbers:hover:not(.current) { border-color: var(--color-primary); color: var(--color-primary); }

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .section { padding: var(--section-padding-tablet) 0; }
  .hero h1 { font-size: 44px; }
  .product-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-cards { grid-template-columns: repeat(2, 1fr); }
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; margin: 40px auto 0; }
  .dashboard-mockup { max-width: 480px; margin: 0 auto; }
  .cta-wrap, .product-detail-grid, .about-intro, .contact-grid { grid-template-columns: 1fr; }
  .sidebar-layout { grid-template-columns: 1fr; }
  .sidebar-product { position: static; }
}
@media (max-width: 767px) {
  .section { padding: var(--section-padding-mobile) 0; }
  .hero { padding: 120px 0 0; min-height: auto; }
  .hero h1 { font-size: 32px; }
  .hero .hero-subtitle { font-size: 16px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-num { font-size: 32px; }
  .section-title { font-size: 26px; }
  .section-subtitle { font-size: 15px; margin-bottom: 32px; }
  .industry-cards, .product-grid, .case-grid, .news-grid, .data-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero { padding: 120px 0 48px; }
  .feature-list { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .mobile-call-bar { display: flex; }
  body { padding-bottom: 64px; }
  .header-phone { display: none; }
  .btn { width: 100%; justify-content: center; }
  .hero-cta { flex-direction: column; }
  .dm-body { grid-template-columns: 1fr; }
  .dm-map { height: 160px; }
  .dm-stat b { font-size: 20px; }
}

/* ========== Processed WebP asset images ========== */
.site-logo-img { height: 40px; width: auto; display: block; }
.industry-card .icon { overflow: hidden; padding: 0; }
.industry-card .icon .card-bg-img { width: 100%; height: 100%; object-fit: cover; }
.product-card .product-img { overflow: hidden; padding: 16px; }
.product-card .product-img .card-img { max-width: 100%; max-height: 100%; object-fit: contain; margin: 0 auto; display: block; }
.case-card .case-img { overflow: hidden; padding: 0; }
.case-card .case-img .card-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-card .news-thumb { overflow: hidden; padding: 0; }
.news-card .news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.footer-qr { padding: 12px; box-sizing: border-box; }
.footer-qr img { width: 120px; height: auto; display: block; }
.footer-qr p { margin: 0; font-size: 12px; color: var(--color-text-tertiary); }
+ overflow: hidden; padding: 24px; }
.product-detail-img img { object-fit: contain; }

/* ========== 右侧悬浮按钮组（联系我们/电话/二维码/回到顶部） ========== */
.float-actions {
  position: fixed;
  right: 24px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 999;
}
.fa-btn {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary, #00E5FF);
  color: #0A1628;
  border: none;
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 19px;
  text-decoration: none;
  transition: filter .2s, transform .2s;
  padding: 0;
}
.fa-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.fa-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: #0A1628;
  color: #fff;
  font-size: 12px;
  line-height: 1.5;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, visibility .2s;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.15);
  text-align: center;
}
.fa-btn:hover .fa-tip { opacity: 1; visibility: visible; }
.fa-btn-qr.open .fa-tip { opacity: 1; visibility: visible; }
.fa-qr-pop {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: 10px;
  padding: 12px;
  width: 168px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, visibility .2s;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  z-index: 1000;
}
.fa-btn-qr:hover .fa-qr-pop, .fa-btn-qr.open .fa-qr-pop { opacity: 1; visibility: visible; }
.fa-qr-pop img { width: 140px; height: 140px; display: block; margin: 0 auto; image-rendering: pixelated; }
.fa-qr-pop p { margin: 8px 0 0; font-size: 12px; color: #333; }
#back-to-top {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary, #00E5FF);
  color: #0A1628;
  border: none;
  box-shadow: 0 4px 12px rgba(0,229,255,.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
#back-to-top:hover {
  filter: brightness(1.1);
}

/* ========== Form AJAX status messages ========== */
.form-ajax-msg {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  text-align: center;
}
.form-ajax-success {
  background: rgba(46,204,113,.1);
  color: #2ECC71;
  border: 1px solid rgba(46,204,113,.3);
}
.form-ajax-error {
  background: rgba(230,57,70,.1);
  color: #E63946;
  border: 1px solid rgba(230,57,70,.3);
}

@media (max-width: 767px) {
  .float-actions { right: 14px; bottom: 90px; gap: 10px; }
  .fa-btn { width: 42px; height: 42px; font-size: 17px; }
  .fa-tip { display: none; }
  #back-to-top { line-height: 42px; }
}

/* ===== 详情页卡片化排版 ===== */
.detail-card { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 28px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.detail-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--color-primary); }
.product-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.badge { display: inline-block; padding: 4px 14px; border-radius: 20px; background: rgba(0,229,255,.12); color: var(--color-cyan-on-light); font-size: 13px; font-weight: 600; border: 1px solid rgba(0,229,255,.35); }
.scenario-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { padding: 8px 18px; border-radius: 20px; background: var(--color-bg-gray); border: 1px solid var(--color-border); font-size: 14px; color: var(--color-text); }
.scenario-chip { padding: 8px 18px; border-radius: 20px; background: var(--color-bg-gray); border: 1px solid var(--color-border); font-size: 14px; color: var(--color-text); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pain-item { background: #FFF7F5; border: 1px solid #FBE3DC; border-radius: 10px; padding: 20px; }
.pain-num { display: block; font-size: 26px; font-weight: 800; color: #E4633C; margin-bottom: 8px; }
.pain-item p { margin: 0; font-size: 14px; color: var(--color-text-secondary); }
.arch-steps { display: flex; align-items: stretch; gap: 0; flex-wrap: nowrap; }
.arch-step { flex: 1; background: var(--gradient-dark); border-radius: 12px; padding: 24px 18px; text-align: center; color: #fff; }
.arch-icon { font-size: 30px; margin-bottom: 10px; }
.arch-name { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--color-primary); }
.arch-desc { font-size: 13px; color: rgba(255,255,255,.72); line-height: 1.5; }
.arch-arrow { align-self: center; padding: 0 8px; color: var(--color-primary); font-size: 20px; font-weight: 700; flex-shrink: 0; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cap-item { display: flex; gap: 10px; align-items: flex-start; background: var(--color-bg-gray); border-radius: 10px; padding: 16px 18px; }
.cap-item p { margin: 0; font-size: 14px; color: var(--color-text); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.value-item { background: var(--gradient-dark); border-radius: 12px; padding: 22px; text-align: center; }
.value-item p { margin: 0; font-size: 15px; font-weight: 600; color: #fff; line-height: 1.6; }
.detail-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.case-more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--color-cyan-on-light); }
.case-more:hover { color: var(--color-primary); }
.solution-detail .detail-card:last-of-type { margin-bottom: 0; }
@media (max-width: 900px) {
  .arch-steps { flex-direction: column; }
  .arch-arrow { transform: rotate(90deg); padding: 4px 0; }
  .pain-grid, .value-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pain-grid, .value-grid, .cap-grid { grid-template-columns: 1fr; }
}

/* ===== 产品详情页文字排版 ===== */
.detail-subtitle { font-size: 16px; font-weight: 700; margin: 20px 0 12px; color: var(--color-text); }
.prod-overview p { margin: 0; line-height: 1.9; color: var(--color-text-secondary); font-size: 15px; }
.feat-text { margin: 0; font-size: 14px; color: var(--color-text); line-height: 1.6; }
+ display: flex; align-items: center; justify-content: center; min-height: 280px; background: var(--gradient-dark); }
.product-detail-img img { max-width: 82%; max-height: 340px; object-fit: contain; }
.spec-table td { line-height: 1.8; }
.detail-card table { width: 100%; border-collapse: collapse; }
.detail-card table th { background: var(--color-bg-gray); font-weight: 600; }
.detail-card table th, .detail-card table td { padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; font-size: 14px; line-height: 1.8; }

/* 二维码锐利显示 */
.footer-qr img { image-rendering: pixelated; }


/* 电话悬停提示 */
.header-phone { position: relative; }
.header-phone::after {
  content: attr(data-tip);
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%);
  background: #0A1628; color: #fff; font-size: 12px; line-height: 1.5;
  padding: 6px 12px; border-radius: 6px; white-space: nowrap;
  border: 1px solid rgba(255,255,255,.18); box-shadow: 0 4px 16px rgba(0,0,0,.35);
  opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s;
  pointer-events: none; z-index: 999;
}
.header-phone::before {
  content: ''; position: absolute; top: calc(100% + 5px); left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent; border-bottom-color: #0A1628;
  opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s;
  pointer-events: none; z-index: 999;
}
.header-phone:hover::after, .header-phone:hover::before { opacity: 1; visibility: visible; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; justify-content: center; align-items: stretch; min-width: 300px; }

/* 页脚联系方式：图标与文字对齐 */
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
.footer-contact li .ic { flex: 0 0 18px; text-align: center; font-size: 15px; line-height: 1.8; }
.footer-contact li .tx { flex: 1; line-height: 1.8; }

/* 页脚版权行：文字与图标底部对齐 */
.footer-bottom p { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: center; gap: 4px 10px; margin: 0; font-size: 13px; line-height: 1.5; color: rgba(255,255,255,.5); }
.footer-bottom p > span, .footer-bottom p a { display: inline; line-height: 1.5; font-size: 13px; white-space: nowrap; }
.footer-bottom p a img { display: inline-block; vertical-align: text-bottom; }
.footer-bottom a { margin: 0; }

/* ========== 首页卡片可点击链接 ========== */
.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover .product-card, .card-link:hover .case-card { border-color: var(--color-primary); box-shadow: 0 8px 24px rgba(0,229,255,.18); transform: translateY(-4px); }
.card-link:hover .industry-card { border-color: var(--color-primary); box-shadow: 0 8px 24px rgba(0,229,255,.18); transform: translateY(-4px); }
.logo-item { display: inline-block; text-decoration: none; color: inherit; transition: color .2s, transform .2s; }
.logo-item:hover { color: var(--color-primary); transform: translateY(-2px); }

/* 产品子分类导航条 */
.product-group-nav { display:flex; flex-wrap:wrap; gap:10px; margin:0 0 24px; }
.pg-nav-item { padding:8px 18px; border-radius:20px; background:#fff; border:1px solid var(--color-border); font-size:14px; color:var(--color-text); text-decoration:none; }
.pg-nav-item.active { background:var(--color-primary); border-color:var(--color-primary); color:#fff; }

/* ============ Case Study Detail ============ */
.case-meta-chips { margin-top: 18px; display:flex; gap:10px; flex-wrap:wrap; }
.case-meta-chips .chip { display:inline-block; padding:6px 14px; border-radius:999px; background:rgba(255,255,255,.12); color:#fff; font-size:13px; }
.case-meta-chips .chip-cyan { background:rgba(0,229,255,.18); color:#00e5ff; border:1px solid rgba(0,229,255,.4); }
.case-detail-wrap { padding-top: 48px; }
.case-detail-grid { display:grid; grid-template-columns: 1fr 320px; gap:32px; align-items:start; }
.case-hero-img { border-radius:16px; overflow:hidden; margin-bottom:32px; box-shadow:0 20px 60px rgba(0,0,0,.18); }
.case-hero-img { text-align:center; } .case-hero-img img { width:auto; height:auto; max-width:100%; max-height:640px; display:inline-block; }
.case-article { background:#fff; border-radius:16px; padding:36px 40px; box-shadow:0 4px 24px rgba(10,22,40,.06); }
.case-article h2 { font-size:24px; color:#0a1628; margin:32px 0 16px; padding-left:16px; border-left:4px solid #00e5ff; line-height:1.3; }
.case-article h2:first-child { margin-top:0; }
.case-article p { font-size:16px; line-height:1.9; color:#3a4a5e; margin-bottom:14px; }
.case-bottom-nav { margin-top:32px; display:flex; gap:16px; flex-wrap:wrap; }
.side-card { background:#fff; border-radius:14px; padding:24px; margin-bottom:20px; box-shadow:0 4px 20px rgba(10,22,40,.06); }
.side-card h4 { font-size:17px; color:#0a1628; margin:0 0 16px; padding-bottom:12px; border-bottom:2px solid #f0f4f8; }
.side-list { list-style:none; margin:0; padding:0; }
.side-list li { display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px dashed #eef2f6; font-size:14px; }
.side-list li:last-child { border-bottom:0; }
.side-list li span { color:#8494a8; }
.side-list li strong { color:#1a2a40; font-weight:600; }
.side-cta { background:linear-gradient(135deg,#0a1628,#102a43); color:#fff; }
.side-cta h4 { color:#fff; border-color:rgba(255,255,255,.12); }
.side-cta p { color:rgba(255,255,255,.7); font-size:14px; line-height:1.7; margin:0 0 16px; }
.btn-block { display:block; text-align:center; }
@media (max-width: 900px) {
  .case-detail-grid { grid-template-columns: 1fr; }
  .case-article { padding:24px 20px; }
  .case-article h2 { font-size:20px; }
}

.product-group-title { margin: 40px 0 20px; font-size: 22px; font-weight: 700; color: var(--color-text); border-left: 4px solid var(--color-primary); padding-left: 12px; }
.product-group-title:first-child { margin-top: 0; }

.card-placeholder { display:flex; align-items:center; justify-content:center; width:100%; height:100%; min-height:180px; background:linear-gradient(135deg,#E8F4FD,#D1E9FF); color:#0A6E8A; font-size:28px; font-weight:700; letter-spacing:4px; text-decoration:none; }

.industry-card { display: flex; gap: 40px; align-items: center; margin-bottom: 40px; padding: 40px; background: #fff; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.industry-card:nth-child(even) { flex-direction: row-reverse; }
.industry-img { flex: 0 0 45%; height: 280px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.industry-icon { font-size: 80px; color: rgba(255,255,255,0.9); }
.industry-content { flex: 1; }
@media (max-width: 768px) {
    .industry-card, .industry-card:nth-child(even) { flex-direction: column; }
    .industry-img { flex: none; width: 100%; height: 200px; }
}

.industry-img { overflow: hidden; background: #fff; }
.industry-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }

.case-cat-title { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 2px solid var(--color-primary); scroll-margin-top: 150px; }
.case-cat-title h2 { font-size: 24px; color: var(--color-dark); margin: 0; }
.case-cat-count { font-size: 14px; color: var(--color-text-secondary); }

/* 分类锚点导航（sticky 悬浮，滚动时常驻） */
.case-cat-nav {
  position: sticky; top: 64px; z-index: 990;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-bottom: 36px; padding: 12px 16px;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border); border-radius: var(--radius-card);
  box-shadow: 0 4px 16px rgba(10,22,40,.10);
}
.case-cat-nav-item {
  display: inline-block; padding: 9px 22px; border-radius: var(--radius-pill);
  background: #fff; border: 1px solid var(--color-border); color: var(--color-text);
  font-size: 14px; font-weight: 600; text-decoration: none; transition: all .2s ease;
}
.case-cat-nav-item:hover { background: var(--color-primary); border-color: var(--color-primary); color: #0A1628; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,229,255,.28); }
.case-cat-nav-item.active { background: var(--color-primary); border-color: var(--color-primary); color: #0A1628; box-shadow: 0 4px 14px rgba(0,229,255,.28); }
.case-cat-block { margin-top: 56px; } .case-cat-block .section-title { margin-top: 8px; margin-bottom: 28px !important; }

/* ========== 文章详情页内容优化 ========== */
.entry-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}
.entry-content p {
    margin: 0 0 1.5em 0;
    text-align: justify;
}
.entry-content h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 2em 0 1em;
    padding-left: 12px;
    border-left: 4px solid var(--color-primary, #00E5FF);
    line-height: 1.4;
}
.entry-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 1.8em 0 0.8em;
    line-height: 1.4;
}
.entry-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2em auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}
.entry-content a {
    color: var(--color-primary, #0066cc);
    text-decoration: underline;
}
.entry-content ul, .entry-content ol {
    margin: 0 0 1.5em 2em;
    line-height: 1.8;
}
.entry-content li {
    margin-bottom: 0.5em;
}
.entry-content blockquote {
    margin: 2em 0;
    padding: 1em 1.5em;
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary, #00E5FF);
    border-radius: 0 8px 8px 0;
    color: #555;
}
.entry-content blockquote p {
    margin: 0;
}
.entry-content table {
    width: 100%;
    margin: 2em 0;
    border-collapse: collapse;
}
.entry-content table td, .entry-content table th {
    padding: 10px 14px;
    border: 1px solid #e0e0e0;
}
.entry-content table th {
    background: #f5f5f5;
    font-weight: 600;
}

/* ========== 文章详情页内容深度优化 ========== */
.entry-content {
    font-size: 16px;
    line-height: 1.9;
    color: #333;
    word-break: break-word;
}
.entry-content p {
    margin: 0 0 1.8em 0;
    text-align: justify;
    line-height: 1.9;
}
.entry-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 2.5em 0 1.2em;
    padding-left: 14px;
    border-left: 4px solid var(--color-primary, #00E5FF);
    line-height: 1.4;
    color: #222;
}
.entry-content h3 {
    font-size: 19px;
    font-weight: 600;
    margin: 2em 0 1em;
    line-height: 1.4;
    color: #222;
}
.entry-content h4, .entry-content h5, .entry-content h6 {
    font-size: 17px;
    font-weight: 600;
    margin: 1.8em 0 0.8em;
    line-height: 1.4;
    color: #333;
}
.entry-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2.5em auto;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
}
.entry-content a {
    color: #0066cc;
    text-decoration: underline;
}
.entry-content a:hover {
    color: #004499;
}
.entry-content ul, .entry-content ol {
    margin: 0 0 1.8em 2em;
    line-height: 1.9;
}
.entry-content li {
    margin-bottom: 0.6em;
}
.entry-content li > ul, .entry-content li > ol {
    margin: 0.6em 0 0 1.5em;
}
.entry-content blockquote {
    margin: 2.5em 0;
    padding: 1.2em 1.8em;
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary, #00E5FF);
    border-radius: 0 8px 8px 0;
    color: #555;
}
.entry-content blockquote p {
    margin: 0;
}
.entry-content table {
    width: 100%;
    margin: 2.5em 0;
    border-collapse: collapse;
    font-size: 15px;
}
.entry-content table td, .entry-content table th {
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    line-height: 1.6;
}
.entry-content table th {
    background: #f5f5f5;
    font-weight: 600;
}
.entry-content hr {
    margin: 3em 0;
    border: none;
    border-top: 1px solid #e0e0e0;
}
.entry-content strong, .entry-content b {
    font-weight: 600;
}
.entry-content em, .entry-content i {
    font-style: italic;
}
.entry-content figure {
    margin: 2.5em 0;
}
.entry-content figure img {
    margin: 0 auto;
}
.entry-content figcaption {
    text-align: center;
    font-size: 14px;
    color: #888;
    margin-top: 0.8em;
}

/* ========== 强制覆盖文章内联样式 ========== */
.entry-content p {
    font-size: 16px !important;
    line-height: 1.9 !important;
    margin-bottom: 1.8em !important;
    text-align: justify !important;
}
.entry-content span {
    font-size: 16px !important;
    line-height: 1.9 !important;
    font-family: inherit !important;
}
.entry-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 2.5em auto !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 16px rgba(0,0,0,.1) !important;
}
.entry-content h2 {
    font-size: 24px !important;
    line-height: 1.4 !important;
    margin: 2.5em 0 1.2em !important;
    padding-left: 14px !important;
    border-left: 4px solid var(--color-primary, #00E5FF) !important;
}
.entry-content h3 {
    font-size: 19px !important;
    line-height: 1.4 !important;
    margin: 2em 0 1em !important;
}
.entry-content ul, .entry-content ol {
    margin-left: 2em !important;
    line-height: 1.9 !important;
}
.entry-content li {
    margin-bottom: 0.6em !important;
}
.entry-content blockquote {
    margin: 2.5em 0 !important;
    padding: 1.2em 1.8em !important;
    background: #f8f9fa !important;
    border-left: 4px solid var(--color-primary, #00E5FF) !important;
}

/* ============================================================
   关于我们（公司概况 / 核心优势 / 服务支持 / 加入我们）扩展样式
   ============================================================ */

/* 二级导航 */
.about-subnav { background:#fff; border-bottom:1px solid var(--color-border); position:sticky; top:var(--nav-height-scrolled); z-index:50; }
.about-subnav ul { display:flex; gap:8px; flex-wrap:wrap; }
.about-subnav a { display:block; padding:18px 28px; font-size:15px; font-weight:600; color:var(--color-text-secondary); border-bottom:3px solid transparent; transition:all .2s; }
.about-subnav a:hover { color:var(--color-cyan-on-light); }
.about-subnav a.active { color:var(--color-cyan-on-light); border-bottom-color:var(--color-primary); }

/* 概况：右侧视觉 */
.about-visual { border-radius:16px; overflow:hidden; min-height:400px; background:var(--gradient-dark); display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-md); }
.about-visual img { width:100%; height:100%; object-fit:cover; }

/* 概况：业务定位 */
.about-position { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:40px; }
.about-position-item { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card-lg); padding:36px 28px; text-align:center; transition:all .3s; }
.about-position-item:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.ap-icon { font-size:40px; margin-bottom:16px; }
.about-position-item h3 { font-size:18px; margin-bottom:10px; }
.about-position-item p { font-size:14px; color:var(--color-text-secondary); line-height:1.7; }

/* 概况：时间线居中 */
.about-timeline { max-width:800px; margin:48px auto 0; }

/* 概况：资质 */
.honor-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:8px; }
.honor-card { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card); padding:36px 20px; text-align:center; transition:all .3s; }
.honor-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--color-primary); }
.honor-ic { font-size:42px; margin-bottom:16px; }
.honor-card h3 { font-size:16px; }

/* CTA 区块 */
.about-cta { background:var(--gradient-dark); color:#fff; text-align:center; }
.about-cta h2 { font-size:32px; margin-bottom:12px; }
.about-cta > .container > p { color:rgba(255,255,255,.7); margin-bottom:28px; }
.about-cta-btns { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.join-mail { margin-top:24px; font-size:13px; color:rgba(255,255,255,.5); }

/* 核心优势：需求理解 */
.adv-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.adv-card { position:relative; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card-lg); padding:32px 24px; overflow:hidden; transition:all .3s; }
.adv-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.adv-num { font-size:40px; font-weight:800; color:rgba(0,229,255,.20); line-height:1; margin-bottom:16px; }
.adv-card h3 { font-size:17px; margin-bottom:10px; }
.adv-card p { font-size:14px; color:var(--color-text-secondary); line-height:1.7; }

/* 技术能力 */
.tech-split { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.tech-block { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card-lg); padding:40px 36px; }
.tech-tag { display:inline-block; padding:4px 14px; border-radius:var(--radius-pill); background:rgba(0,229,255,.12); color:var(--color-cyan-on-light); font-size:13px; font-weight:600; margin-bottom:16px; }
.tech-block h3 { font-size:22px; margin-bottom:12px; }
.tech-block > p { color:var(--color-text-secondary); line-height:1.8; margin-bottom:16px; }
.tech-points li { position:relative; padding-left:24px; margin-bottom:10px; color:var(--color-text); font-size:15px; }
.tech-points li::before { content:'\2713'; position:absolute; left:0; color:var(--color-success); font-weight:700; }

/* 部署实践 */
.practice-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.practice-item { display:flex; align-items:center; gap:14px; background:var(--color-bg-gray); border-radius:var(--radius-card); padding:20px 24px; font-weight:600; }
.practice-item span { font-size:26px; }
.practice-item p { margin:0; font-size:15px; }
.practice-quote { margin:40px auto 0; text-align:center; max-width:820px; }
.practice-quote p { font-size:18px; line-height:1.9; color:var(--color-text-secondary); font-style:italic; padding:0 20px; }

/* 全生命周期（深色） */
.lifecycle-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.lifecycle-item { background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-card-lg); padding:28px 24px; text-align:center; }
.lc-step { font-size:14px; font-weight:800; color:var(--color-primary); letter-spacing:2px; }
.lifecycle-item h3 { font-size:20px; color:#fff; margin:8px 0 10px; }
.lifecycle-item p { font-size:14px; color:rgba(255,255,255,.65); line-height:1.7; }

/* 服务承诺（深色） */
.promise-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.promise-num { font-size:48px; font-weight:800; color:var(--color-primary); line-height:1; }
.promise-item p { color:rgba(255,255,255,.7); margin-top:12px; font-size:15px; }

/* 服务保障 */
.guarantee-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.guarantee-card { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card); padding:30px 24px; text-align:center; }
.g-ic { font-size:36px; margin-bottom:14px; }
.guarantee-card h3 { font-size:17px; margin-bottom:8px; }
.guarantee-card p { font-size:14px; color:var(--color-text-secondary); line-height:1.7; }

/* 服务五大步骤 */
.service-steps { display:grid; grid-template-columns:repeat(5,1fr); gap:20px; align-items:start; }
.service-step { background:#fff; border:1px solid var(--color-border); border-top:3px solid var(--color-primary); border-radius:var(--radius-card); padding:24px 20px; }
.ss-head { display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.ss-no { font-size:24px; font-weight:800; color:rgba(0,184,212,.28); }
.ss-head h3 { font-size:18px; margin:0; }
.service-step ul li { position:relative; padding-left:16px; margin-bottom:10px; font-size:13px; color:var(--color-text-secondary); line-height:1.7; }
.service-step ul li::before { content:''; position:absolute; left:0; top:9px; width:5px; height:5px; border-radius:50%; background:var(--color-cyan-on-light); }

/* 加入我们：理念 */
.join-motto { max-width:820px; margin:0 auto 56px; text-align:center; }
.join-motto h2 { font-size:32px; margin-bottom:16px; }
.join-motto p { color:var(--color-text-secondary); line-height:1.9; }
.join-value-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.join-value { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card-lg); padding:30px 24px; text-align:center; transition:all .3s; }
.join-value:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.jv-ic { font-size:36px; margin-bottom:14px; }
.join-value h3 { font-size:17px; margin-bottom:8px; }
.join-value p { font-size:14px; color:var(--color-text-secondary); line-height:1.7; }

/* 福利 */
.benefits-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.benefit-item { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-card); padding:26px 16px; text-align:center; transition:all .25s; }
.benefit-item:hover { border-color:var(--color-primary); transform:translateY(-3px); }
.b-ic { font-size:30px; display:block; margin-bottom:10px; }
.benefit-item h3 { font-size:15px; margin:0; }

/* 企业文化 */
.culture-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.culture-card { background:var(--gradient-dark); border-radius:var(--radius-card-lg); padding:32px 26px; color:#fff; }
.culture-head { display:flex; align-items:center; gap:14px; margin-bottom:16px; }
.culture-char { width:48px; height:48px; border-radius:12px; background:var(--color-primary); color:#0A1628; font-size:24px; font-weight:800; display:flex; align-items:center; justify-content:center; }
.culture-head h3 { font-size:20px; margin:0; }
.culture-card p { font-size:14px; color:rgba(255,255,255,.75); line-height:1.8; }

.hide-mobile { display:inline; }

/* 响应式 */
@media (max-width: 991px) {
  .about-subnav { position:static; }
  .about-position, .honor-grid, .adv-grid, .tech-split, .guarantee-grid,
  .lifecycle-grid, .join-value-grid, .benefits-grid, .culture-grid,
  .promise-grid, .practice-grid, .service-steps { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 767px) {
  .about-subnav ul { gap:0; }
  .about-subnav a { padding:12px 16px; font-size:14px; }
  .about-position, .honor-grid, .adv-grid, .tech-split, .guarantee-grid,
  .lifecycle-grid, .join-value-grid, .benefits-grid, .culture-grid,
  .promise-grid, .practice-grid, .service-steps { grid-template-columns:1fr; }
  .about-cta h2, .join-motto h2 { font-size:24px; }
  .hide-mobile { display:none; }
}
/* 关于我们四个子页面：隐藏站点大页脚（保留浮动按钮与 wp_footer） */
.hide-site-footer .site-footer { display: none; }
/* 关于我们子页面：恢复显示大页脚，隐藏自带浮动电话/在线咨询模块 */
.about-subpage .mobile-call-bar { display: none !important; }
.about-subpage .about-cta { display: none !important; }
/* 核心优势：技术能力配图 */
.tech-img { margin-bottom:20px; border-radius:12px; overflow:hidden; background:#fff; }
.tech-img img { width:100%; display:block; }
/* 全生命周期服务配图 */
.lifecycle-visual { max-width:900px; margin:48px auto 0; background:#fff; border-radius:16px; padding:24px; box-shadow:0 8px 32px rgba(0,0,0,.2); }
.lifecycle-visual img { width:100%; display:block; }
/* 全生命周期服务：浅色系，避免与上方深色块冲突 */
.lifecycle-section { background: var(--color-bg-gray); }
.lifecycle-section .section-title { color: var(--color-text); }
.lifecycle-section .section-subtitle { color: var(--color-text-secondary); }
.lifecycle-section .lifecycle-item { background: #fff; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.lifecycle-section .lifecycle-item h3 { color: var(--color-text); }
.lifecycle-section .lifecycle-item p { color: var(--color-text-secondary); }
.lifecycle-section .lc-step { color: var(--color-cyan-on-light); }
/* 服务支持：五大阶段产品配图 */
.ss-img { height:170px; display:flex; align-items:center; justify-content:center; background:#fff; border:1px solid var(--color-border); border-radius:10px; margin-bottom:16px; overflow:hidden; }
.ss-img img { max-height:150px; max-width:85%; object-fit:contain; }
/* 右侧浮动按钮优化：默认白底青图标，hover 翻转青色实心 + 辉光 */
.float-actions { gap: 14px; }
.fa-btn, #back-to-top {
  width: 48px;
  height: 48px;
  background: #fff;
  color: var(--color-cyan-on-light);
  border: 1px solid rgba(0,184,212,.28);
  box-shadow: 0 6px 18px rgba(10,22,40,.14);
  transition: background .25s, color .25s, border-color .25s, box-shadow .25s, transform .25s cubic-bezier(.4,0,.2,1);
}
.fa-btn svg, #back-to-top svg { display: block; }
.fa-btn:hover, #back-to-top:hover {
  background: var(--color-primary, #00E5FF);
  color: #0A1628;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(0,229,255,.42);
  filter: none;
}
/* 回到顶部按钮图标居中修复 */
#back-to-top {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
  line-height: 1;
  text-align: center;
}
#back-to-top svg {
  display: block;
  margin: 0 auto;
}
/* ========== 联系我们页优化 ========== */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 12px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md, 0 12px 28px rgba(10,22,40,.12)); }
.contact-card .cc-ic {
  width: 52px; height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(0,229,255,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.contact-card h3 { font-size: 16px; color: var(--color-text-secondary); margin-bottom: 10px; }
.contact-card .cc-main { font-size: 18px; font-weight: 700; color: var(--color-text); line-height: 1.4; word-break: break-all; }
.contact-card .cc-address { font-size: 14px; }
.contact-card .cc-sub { font-size: 13px; color: var(--color-text-secondary); margin-top: 6px; }
.contact-promises {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 12px 32px; margin-top: 28px;
}
.contact-promises span { font-size: 14px; font-weight: 600; color: var(--color-text-secondary); }
.contact-promises b { color: var(--color-cyan-on-light); font-weight: 800; margin-right: 4px; }

.map-wrap {
  margin-top: 12px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.lead-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
  margin-top: 12px;
}
.lead-aside h2 { font-size: 30px; margin-bottom: 16px; }
.lead-aside > p { color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 20px; }
.lead-aside ul { list-style: none; }
.lead-aside li {
  position: relative; padding-left: 24px;
  margin-bottom: 12px; color: var(--color-text); line-height: 1.6;
}
.lead-aside li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--color-cyan-on-light); font-weight: 800;
}

@media (max-width: 900px) {
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .lead-wrap { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .contact-cards { grid-template-columns: 1fr; }
}
/* 首页：数字方块（3x2 深浅交替） */
.data-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1000px;
  margin: 24px auto 0;
}
.data-tile {
  padding: 40px 20px;
  text-align: center;
  border-radius: 10px;
}
.data-tile.light { background: #eef1f5; }
.data-tile.dark { background: #123a5e; }
.data-tile .dt-num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
}
.data-tile.light .dt-num { color: #e63963; }
.data-tile.dark .dt-num { color: #fff; }
.data-tile .dt-label { margin-top: 10px; font-size: 14px; }
.data-tile.light .dt-label { color: #5a6b7b; }
.data-tile.dark .dt-label { color: rgba(255,255,255,.85); }

/* 首页：客户 logo 墙 */
.client-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.client-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 26px 10px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all .2s;
}
.client-item:hover { border-color: var(--color-primary); color: var(--color-text); box-shadow: 0 6px 16px rgba(0,229,255,.15); transform: scale(1.05); }

@media (max-width: 900px) {
  .data-tiles { grid-template-columns: repeat(2, 1fr); }
  .client-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .data-tiles { grid-template-columns: 1fr; }
  .client-wall { grid-template-columns: repeat(2, 1fr); }
}
/* 场景卡片：等高 + 顶部不压缩大图 */
.industry-cards { align-items: stretch; }
.industry-cards .card-link { display: flex; }
.industry-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}
.industry-card .icon {
  width: 100%;
  height: 160px;
  border-radius: 10px;
  margin-bottom: 20px;
  flex: none;
  background: linear-gradient(135deg, var(--card-color, #1E6FFF), var(--color-primary));
}
.industry-card .icon .card-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 合作案例：logo 图片墙 */
.client-wall { gap: 12px; }
.client-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px;
}
.client-item img {
  max-width: 100%;
  max-height: 44px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: .75;
  transition: filter .25s, opacity .25s;
}
.client-item:hover img { filter: grayscale(0); opacity: 1; }
/* 合作案例 logo：默认原图彩色 */
.client-item img { filter: none; opacity: 1; }
.client-item:hover img { opacity: 1; }
/* 二维码锐利渲染，避免缩放发虚 */
.footer-qr img, .fa-qr-pop img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
}

/* anchor offset for fixed header */
#lead-contact-form, .lead-wrap { scroll-margin-top: 90px; }

/* ========== Scroll reveal animation ========== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}