/* ==========================================================================
   柳州云云官网原型 - 全局样式表
   版本：v1.0
   说明：本文件包含所有设计 Token、组件样式、页面样式、响应式规则
   ========================================================================== */

/* ========== 1. Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC",
    "Microsoft YaHei", "Helvetica Neue", Inter, Arial, sans-serif;
  font-size: 16px; line-height: 1.7; color: var(--text-primary);
  background: var(--bg-page); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-hover); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ========== 2. Design Tokens ========== */
:root {
  /* Colors */
  --primary: #0A4DA6;
  --primary-hover: #083E86;
  --primary-light: #E8F0FB;
  --primary-gradient: linear-gradient(135deg, #0A4DA6 0%, #1976D2 100%);
  --accent: #FF7A45;
  --accent-hover: #E56532;
  --accent-gradient: linear-gradient(135deg, #FF7A45 0%, #FF9A6E 100%);
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --bg-page: #FFFFFF;
  --bg-section: #F5F8FC;
  --bg-dark: #0F1E33;

  /* Typography */
  --fs-display: 56px; --fs-h1: 40px; --fs-h2: 32px; --fs-h3: 24px;
  --fs-h4: 20px; --fs-body-l: 18px; --fs-body: 16px; --fs-caption: 14px;
  --fs-small: 12px;

  /* Spacing */
  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px;
  --sp-xl: 32px; --sp-2xl: 48px; --sp-3xl: 64px; --sp-4xl: 96px;

  /* Radius */
  --r-sm: 4px; --r-md: 6px; --r-lg: 12px; --r-xl: 16px; --r-full: 9999px;

  /* Shadow */
  --sh-sm: 0 1px 2px rgba(0,0,0,.05);
  --sh-md: 0 4px 12px rgba(10,77,166,.08);
  --sh-lg: 0 12px 32px rgba(10,77,166,.12);
  --sh-xl: 0 24px 48px rgba(0,0,0,.16);

  /* Layout */
  --container: 1200px;
  --navbar-h: 80px;

  /* Motion */
  --ease: cubic-bezier(.16,1,.3,1);
}

/* ========== 3. Typography ========== */
h1, h2, h3, h4, h5 { color: var(--text-primary); font-weight: 600; }
.h1-display { font-size: var(--fs-display); line-height: 1.2; font-weight: 700; letter-spacing: -1px; }
.h1-page { font-size: var(--fs-h1); line-height: 1.3; font-weight: 700; }
.h2-section { font-size: var(--fs-h2); line-height: 1.35; font-weight: 600; }
.h3-card { font-size: var(--fs-h3); line-height: 1.4; font-weight: 600; }
.h4-sub { font-size: var(--fs-h4); line-height: 1.4; font-weight: 600; }
.body-l { font-size: var(--fs-body-l); line-height: 1.75; }
.body { font-size: var(--fs-body); line-height: 1.75; }
.caption { font-size: var(--fs-caption); line-height: 1.5; color: var(--text-secondary); }
.small { font-size: var(--fs-small); color: var(--text-tertiary); }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-white { color: #fff; }

/* ========== 4. Layout ========== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-md); }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 var(--sp-lg); }
.app-main { min-height: 60vh; padding-top: var(--navbar-h); }
.section { padding: var(--sp-4xl) 0; }
.section-sm { padding: var(--sp-3xl) 0; }
.section-alt { background: var(--bg-section); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-header { text-align: center; margin-bottom: var(--sp-3xl); }
.section-header .kicker { display: inline-block; color: var(--primary); background: var(--primary-light);
  padding: 6px 16px; border-radius: var(--r-full); font-size: var(--fs-caption);
  font-weight: 500; margin-bottom: var(--sp-md); letter-spacing: 1px; }
.section-header h2 { margin-bottom: var(--sp-md); }
.section-header p { color: var(--text-secondary); max-width: 720px; margin: 0 auto; font-size: var(--fs-body-l); }
.grid { display: grid; gap: var(--sp-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--sp-sm); } .gap-md { gap: var(--sp-md); }
.gap-lg { gap: var(--sp-lg); } .gap-xl { gap: var(--sp-xl); }

/* ========== 5. Buttons ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 24px; border-radius: var(--r-md);
  font-size: var(--fs-body); font-weight: 500; cursor: pointer;
  transition: all .2s var(--ease); white-space: nowrap; border: 1px solid transparent;
}
.btn-sm { height: 36px; padding: 0 16px; font-size: var(--fs-caption); }
.btn-lg { height: 52px; padding: 0 32px; font-size: var(--fs-body-l); }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; transform: translateY(-1px); box-shadow: var(--sh-md); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255,122,69,.3); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-light); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--primary-light); color: var(--primary-hover); }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-outline-white:hover { background: #fff; color: var(--primary); }
.btn-text { background: transparent; color: var(--primary); padding: 0 8px; height: auto; }
.btn-text:hover { color: var(--primary-hover); text-decoration: underline; }

/* ========== 6. Cards ========== */
.card {
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--sh-md);
  padding: var(--sp-lg); transition: all .3s var(--ease); overflow: hidden;
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.card-bordered { border: 1px solid var(--border); box-shadow: none; }
.card-bordered:hover { border-color: var(--primary); box-shadow: var(--sh-md); }
.card-flat { background: var(--bg-section); box-shadow: none; }

/* Product Card */
.product-card { background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--sh-md); transition: all .3s var(--ease); cursor: pointer;
  display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.product-card-cover { position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: linear-gradient(135deg, #0A4DA6 0%, #1976D2 100%); }
.product-card-cover::after { content: attr(data-emoji); position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; font-size: 64px; }
.product-card-cover:not([data-emoji])::after { content: none; }
.product-card-img { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform var(--tr-base, .3s) ease; }
.product-card:hover .product-card-img { transform: scale(1.05); }
.product-card-body { padding: var(--sp-md) var(--sp-md) var(--sp-lg); flex: 1;
  display: flex; flex-direction: column; }
.product-card-tag { position: absolute; top: 12px; left: 12px; background: var(--accent);
  color: #fff; padding: 4px 10px; border-radius: var(--r-sm);
  font-size: var(--fs-small); font-weight: 500; z-index: 1; }
.product-card h3 { font-size: var(--fs-h4); margin-bottom: 8px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card p { color: var(--text-secondary); font-size: var(--fs-caption); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-footer { margin-top: var(--sp-md); padding-top: var(--sp-md);
  border-top: 1px solid var(--border-light); display: flex;
  align-items: center; justify-content: space-between; font-size: var(--fs-caption); }
.product-card-cities { color: var(--text-tertiary); }
.product-card-link { color: var(--primary); font-weight: 500; }
.product-card-link:hover { gap: 8px; }

/* Service Card */
.service-card { padding: var(--sp-xl); text-align: left; position: relative;
  border-top: 3px solid transparent; }
.service-card:hover { border-top-color: var(--primary); }
.service-card-icon { width: 56px; height: 56px; border-radius: var(--r-lg);
  background: var(--primary-light); color: var(--primary); display: flex;
  align-items: center; justify-content: center; font-size: 28px; margin-bottom: var(--sp-md); }
.service-card h3 { font-size: var(--fs-h4); margin-bottom: 8px; }
.service-card .desc { color: var(--text-secondary); font-size: var(--fs-caption);
  margin-bottom: var(--sp-md); min-height: 60px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.service-card .case { font-size: var(--fs-small); color: var(--text-tertiary);
  padding: 8px 0; border-top: 1px dashed var(--border); margin-bottom: 8px; }
.service-card .case strong { color: var(--primary); font-weight: 500; }

/* Data Card */
.data-card { text-align: center; padding: var(--sp-xl) var(--sp-md); }
.data-card-value { font-size: 48px; font-weight: 700; color: var(--primary);
  line-height: 1; margin-bottom: 8px; font-family: 'Inter', sans-serif; }
.data-card-unit { font-size: var(--fs-body); color: var(--primary); margin-left: 4px; }
.data-card-label { font-size: var(--fs-body); color: var(--text-primary);
  font-weight: 500; margin-bottom: 4px; }
.data-card-desc { font-size: var(--fs-caption); color: var(--text-secondary); }

/* Case Card */
.case-card { background: #fff; border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--sh-md); transition: all .3s var(--ease); cursor: pointer; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.case-card-cover { aspect-ratio: 4/3; position: relative;
  background: linear-gradient(135deg, #1976D2, #0A4DA6); overflow: hidden; }
.case-card-cover::after { content: attr(data-emoji); position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; font-size: 72px; }
.case-card-cover:has(.case-card-img)::after { content: none; }
.case-card-img { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform .3s ease; }
.case-card:hover .case-card-img { transform: scale(1.05); }
.case-card-tag { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,.95);
  color: var(--primary); padding: 4px 12px; border-radius: var(--r-full);
  font-size: var(--fs-small); font-weight: 500; z-index: 1; }
.case-card-body { padding: var(--sp-lg); }
.case-card-body h3 { font-size: var(--fs-h4); margin-bottom: 8px; }
.case-card-body .client { color: var(--text-tertiary); font-size: var(--fs-caption); margin-bottom: 12px; }
.case-card-body p { color: var(--text-secondary); font-size: var(--fs-caption);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ========== 7. Badges & Tags ========== */
.badge { display: inline-block; padding: 4px 12px; border-radius: var(--r-full);
  background: var(--primary-light); color: var(--primary);
  font-size: var(--fs-small); font-weight: 500; }
.badge-accent { background: rgba(255,122,69,.15); color: var(--accent); }
.badge-outline { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
  background: var(--bg-section); border-radius: var(--r-sm);
  font-size: var(--fs-small); color: var(--text-secondary); }

/* ========== 8. Forms ========== */
.form-group { margin-bottom: var(--sp-md); }
.form-label { display: block; font-size: var(--fs-caption); color: var(--text-primary);
  margin-bottom: 6px; font-weight: 500; }
.form-label .required { color: var(--error); margin-left: 2px; }
.form-control { width: 100%; height: 44px; padding: 0 16px; border: 1px solid var(--border);
  border-radius: var(--r-md); background: #fff; font-size: var(--fs-body);
  transition: all .2s; color: var(--text-primary); }
.form-control:focus { outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10,77,166,.1); }
.form-control::placeholder { color: var(--text-tertiary); }
textarea.form-control { height: auto; min-height: 120px; padding: 12px 16px; resize: vertical; }
select.form-control { appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.form-hint { font-size: var(--fs-small); color: var(--text-tertiary); margin-top: 4px; }
.form-error { font-size: var(--fs-small); color: var(--error); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-md); }
.checkbox-group { display: flex; align-items: flex-start; gap: 8px;
  font-size: var(--fs-caption); color: var(--text-secondary); }
.checkbox-group input { margin-top: 3px; }

/* ========== 9. Navbar ========== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.98); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: all .3s; height: var(--navbar-h); }
.navbar.scrolled { height: 64px; box-shadow: var(--sh-md); }
.navbar.scrolled ~ .app-main { padding-top: 64px; }
.navbar-inner { height: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: var(--sp-lg); }
.navbar-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 40px; height: 40px; background: var(--primary-gradient);
  color: #fff; border-radius: var(--r-md); display: flex; align-items: center;
  justify-content: center; font-size: 22px; font-weight: 700; box-shadow: var(--sh-md); }
.logo-text strong { display: block; font-size: 18px; color: var(--text-primary);
  font-weight: 700; line-height: 1.1; }
.logo-text small { display: block; font-size: 10px; color: var(--text-tertiary);
  letter-spacing: 1.5px; margin-top: 2px; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link { display: flex; align-items: center; gap: 4px; padding: 8px 14px;
  color: var(--text-primary); font-size: var(--fs-body); font-weight: 500;
  border-radius: var(--r-md); transition: all .2s; cursor: pointer; }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%;
  transform: translateX(-50%); width: 20px; height: 2px;
  background: var(--primary); border-radius: 2px; }
.nav-link .caret { width: 10px; height: 10px; transition: transform .2s; }
.nav-item:hover .caret { transform: rotate(180deg); }
.navbar-actions { display: flex; align-items: center; gap: var(--sp-md); }
.navbar-phone { display: flex; align-items: center; gap: 6px; color: var(--text-primary);
  font-size: var(--fs-caption); font-weight: 500; }
.navbar-phone:hover { color: var(--primary); }
.navbar-toggle { display: none; width: 40px; height: 40px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.navbar-toggle span { width: 22px; height: 2px; background: var(--text-primary);
  border-radius: 2px; transition: all .3s; }

/* Dropdown */
.nav-dropdown { position: absolute; top: 100%; left: 0; right: 0;
  background: #fff; border-top: 1px solid var(--border);
  box-shadow: var(--sh-lg); opacity: 0; visibility: hidden;
  transform: translateY(-10px); transition: all .25s var(--ease); }
.nav-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-inner { max-width: var(--container); margin: 0 auto;
  padding: var(--sp-xl) var(--sp-md); display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--sp-md); }
.dropdown-item { display: flex; gap: 12px; padding: 12px; border-radius: var(--r-md);
  transition: all .2s; }
.dropdown-item:hover { background: var(--primary-light); }
.dropdown-item-icon { width: 36px; height: 36px; flex-shrink: 0;
  background: var(--primary-light); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; font-size: 18px; }
.dropdown-item:hover .dropdown-item-icon { background: #fff; }
.dropdown-item-text strong { display: block; font-size: var(--fs-body);
  color: var(--text-primary); margin-bottom: 2px; }
.dropdown-item-text span { font-size: var(--fs-small); color: var(--text-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Mobile drawer */
.mobile-drawer { position: fixed; inset: 0; z-index: 200;
  opacity: 0; visibility: hidden; transition: all .3s; }
.mobile-drawer.open { opacity: 1; visibility: visible; }
.drawer-mask { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: 85vw;
  max-width: 360px; background: #fff; transform: translateX(100%);
  transition: transform .3s var(--ease); display: flex; flex-direction: column; }
.mobile-drawer.open .drawer-panel { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; gap: 10px;
  padding: var(--sp-md); border-bottom: 1px solid var(--border); }
.drawer-header strong { flex: 1; }
.drawer-close { width: 32px; height: 32px; font-size: 24px; color: var(--text-secondary); }
.drawer-menu { flex: 1; overflow-y: auto; padding: var(--sp-md); }
.drawer-item { border-bottom: 1px solid var(--border-light); }
.drawer-item-link { display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; font-size: var(--fs-body); color: var(--text-primary); font-weight: 500; }
.drawer-item-link.active { color: var(--primary); }
.drawer-sub { display: none; padding-bottom: 12px; }
.drawer-item.expanded .drawer-sub { display: block; }
.drawer-item.expanded .caret { transform: rotate(180deg); }
.drawer-sub a { display: block; padding: 10px 12px; color: var(--text-secondary);
  font-size: var(--fs-caption); border-radius: var(--r-md); }
.drawer-sub a:hover { background: var(--primary-light); color: var(--primary); }
.drawer-footer { padding: var(--sp-md); border-top: 1px solid var(--border); }

/* ========== 10. Hero ========== */
.hero { position: relative; min-height: 640px; display: flex; align-items: center;
  overflow: hidden; background: linear-gradient(135deg, #0A2540 0%, #0A4DA6 60%, #1976D2 100%); }
.hero::before { content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,122,69,.15) 0%, transparent 50%);
  pointer-events: none; }
.hero::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: 60px 60px; pointer-events: none; opacity: .3; }
.hero-inner { position: relative; z-index: 2; width: 100%; color: #fff;
  padding: var(--sp-4xl) 0; }
.hero-slides { position: relative; min-height: 400px; }
.hero-slide { position: absolute; inset: 0; opacity: 0;
  transition: opacity .8s var(--ease); pointer-events: none; }
.hero-slide.active { opacity: 1; pointer-events: auto; position: relative; }
.hero-content { max-width: 720px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--r-full); font-size: var(--fs-caption);
  color: #fff; margin-bottom: var(--sp-lg); backdrop-filter: blur(10px); }
.hero-kicker::before { content: ''; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%; box-shadow: 0 0 12px var(--accent); }
.hero h1 { font-size: var(--fs-display); color: #fff; font-weight: 700;
  line-height: 1.15; letter-spacing: -1px; margin-bottom: var(--sp-lg); }
.hero h1 .highlight { background: linear-gradient(135deg, #FF7A45 0%, #FFB088 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: var(--fs-body-l); color: rgba(255,255,255,.85);
  margin-bottom: var(--sp-xl); line-height: 1.7; max-width: 600px; }
.hero-actions { display: flex; gap: var(--sp-md); flex-wrap: wrap; }
.hero-indicators { position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.hero-indicator { width: 32px; height: 4px; background: rgba(255,255,255,.3);
  border-radius: 2px; cursor: pointer; transition: all .3s; }
.hero-indicator.active { background: var(--accent); width: 48px; }
.hero-stats { position: absolute; bottom: 0; left: 0; right: 0; z-index: 3;
  background: rgba(255,255,255,.08); backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,.15); }
.hero-stats-inner { display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md); padding: var(--sp-lg) 0; }
.hero-stat { text-align: center; color: #fff; border-right: 1px solid rgba(255,255,255,.15); }
.hero-stat:last-child { border-right: none; }
.hero-stat-value { font-size: 36px; font-weight: 700; line-height: 1;
  background: linear-gradient(135deg, #fff 0%, #FFB088 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat-label { font-size: var(--fs-caption); color: rgba(255,255,255,.75); margin-top: 6px; }

/* Page Banner (inner pages) */
.page-banner { position: relative; height: 320px; display: flex; align-items: center;
  justify-content: center; text-align: center; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, #0A2540 0%, #0A4DA6 100%); }
.page-banner::before { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px; }
.page-banner-content { position: relative; z-index: 2; padding: 0 var(--sp-md); }
.page-banner h1 { font-size: var(--fs-h1); color: #fff; margin-bottom: 12px; }
.page-banner p { font-size: var(--fs-body-l); color: rgba(255,255,255,.85); max-width: 720px; margin: 0 auto; }

/* ========== 11. Breadcrumb ========== */
.breadcrumb { padding: var(--sp-md) 0; font-size: var(--fs-caption);
  color: var(--text-secondary); }
.breadcrumb ol { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-tertiary); }
.breadcrumb .current { color: var(--text-primary); font-weight: 500; }

/* ========== 12. Tabs ========== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-xl); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { padding: 12px 20px; color: var(--text-secondary); font-size: var(--fs-body);
  font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent;
  transition: all .2s; white-space: nowrap; background: none; }
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-panel { display: none; animation: fadeIn .3s; }
.tab-panel.active { display: block; }

/* ========== 13. Timeline ========== */
.timeline { position: relative; padding: var(--sp-xl) 0; }
.timeline::before { content: ''; position: absolute; top: 60px; bottom: 60px;
  left: 50%; width: 2px; background: linear-gradient(to bottom, transparent, var(--primary) 10%, var(--primary) 90%, transparent);
  transform: translateX(-50%); }
.timeline-item { position: relative; display: grid; grid-template-columns: 1fr 60px 1fr;
  gap: var(--sp-md); margin-bottom: var(--sp-xl); align-items: center; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; text-align: left; }
.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(odd) .timeline-spacer { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-spacer { grid-column: 1; }
.timeline-dot { grid-column: 2; width: 20px; height: 20px; background: #fff;
  border: 4px solid var(--primary); border-radius: 50%; margin: 0 auto;
  z-index: 2; box-shadow: 0 0 0 6px var(--primary-light); transition: all .3s; }
.timeline-item:hover .timeline-dot { background: var(--primary); transform: scale(1.2); }
.timeline-content { background: #fff; padding: var(--sp-lg);
  border-radius: var(--r-lg); box-shadow: var(--sh-md); transition: all .3s; }
.timeline-content:hover { transform: translateY(-2px); box-shadow: var(--sh-lg); }
.timeline-year { display: inline-block; font-size: var(--fs-h3); font-weight: 700;
  color: var(--primary); margin-bottom: 8px; font-family: 'Inter', sans-serif; }
.timeline-content h4 { font-size: var(--fs-body); margin-bottom: 6px; }
.timeline-content p { font-size: var(--fs-caption); color: var(--text-secondary); }

/* ========== 14. Steps / Process ========== */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--sp-md);
  position: relative; }
.step { text-align: center; position: relative; padding: 0 8px; }
.step-num { width: 56px; height: 56px; margin: 0 auto var(--sp-md);
  background: var(--primary-gradient); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; box-shadow: var(--sh-md); position: relative; z-index: 2; }
.step:not(:last-child)::after { content: ''; position: absolute; top: 28px;
  left: calc(50% + 28px); right: calc(-50% + 28px); height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light)); z-index: 1; }
.step h4 { font-size: var(--fs-body); margin-bottom: 6px; }
.step p { font-size: var(--fs-small); color: var(--text-secondary); }

/* ========== 15. Feature Grid ========== */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-lg); }
.feature-item { background: #fff; padding: var(--sp-xl); border-radius: var(--r-lg);
  border-left: 4px solid var(--primary); transition: all .3s; box-shadow: var(--sh-sm); }
.feature-item:hover { box-shadow: var(--sh-lg); transform: translateX(4px); }
.feature-item-icon { font-size: 32px; margin-bottom: var(--sp-md); }
.feature-item h4 { font-size: var(--fs-h4); margin-bottom: 8px; }
.feature-item p { color: var(--text-secondary); font-size: var(--fs-caption); }

/* ========== 15.1 Service Menu（首页：商家服务 / 政企服务 菜单块）========== */
.service-menu-grid { align-items: start; }
.service-menu { background: #fff; border: 1px solid var(--border); border-radius: var(--r-xl);
  padding: var(--sp-xl); transition: all .3s var(--ease); }
.service-menu:hover { border-color: var(--primary); box-shadow: var(--sh-lg); }
.service-menu-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-md); }
.service-menu-title { display: flex; align-items: center; gap: var(--sp-md); min-width: 0; }
.service-menu-icon { width: 52px; height: 52px; flex-shrink: 0; border-radius: var(--r-lg);
  background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.service-menu-title h3 { margin-bottom: 2px; }
.service-menu-title .small { display: block; }
.service-menu-desc { margin-top: var(--sp-md); padding-bottom: var(--sp-md);
  border-bottom: 1px solid var(--border-light); color: var(--text-secondary);
  font-size: var(--fs-caption); line-height: 1.7; }
.service-menu-list { display: grid; gap: 4px; margin-top: var(--sp-md); }
.service-menu-item { display: flex; align-items: center; gap: var(--sp-md);
  padding: 12px; border-radius: var(--r-md); color: inherit; text-decoration: none;
  transition: all .2s var(--ease); }
.service-menu-item:hover { background: var(--primary-light); }
.smi-icon { font-size: 22px; flex-shrink: 0; width: 28px; text-align: center; }
.smi-text { flex: 1; min-width: 0; }
.smi-text strong { display: block; font-size: var(--fs-body); font-weight: 500;
  color: var(--text-primary); transition: color .2s var(--ease); }
.smi-text small { display: block; margin-top: 2px; font-size: var(--fs-small);
  color: var(--text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.smi-arrow { flex-shrink: 0; color: var(--primary); font-size: var(--fs-caption);
  opacity: 0; transform: translateX(-4px); transition: all .2s var(--ease); }
.service-menu-item:hover .smi-text strong { color: var(--primary); }
.service-menu-item:hover .smi-arrow { opacity: 1; transform: translateX(0); }

/* ========== 15.2 Case Screenshot Gallery（服务详情：代表案例实拍截图）========== */
.case-shot-main { display: block; border-radius: var(--radius-lg); overflow: hidden; cursor: zoom-in;
  box-shadow: var(--shadow-md); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.case-shot-main img { display: block; width: 100%; height: auto; }
.case-shot-main:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.case-shot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--sp-lg); }
.case-shot-item { display: block; border-radius: var(--radius-lg); overflow: hidden; cursor: zoom-in;
  background: #fff; box-shadow: var(--shadow-sm); text-decoration: none;
  transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.case-shot-item img { display: block; width: 100%; height: auto; }
.case-shot-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.case-shot-caption { display: block; padding: 12px 16px; font-size: var(--fs-small);
  color: var(--text-secondary); border-top: 1px solid var(--border-light, #f0f0f0); }
.case-shot-item:hover .case-shot-caption { color: var(--primary); }

/* ========== 15.3 Lightbox（案例截图弹窗预览，点击遮罩/图片/Esc 关闭）========== */
.lightbox { position: fixed; inset: 0; z-index: 2000; display: none; flex-direction: column;
  align-items: center; justify-content: center; padding: 48px 24px 32px;
  background: rgba(6, 14, 28, .9); backdrop-filter: blur(6px); cursor: zoom-out; }
.lightbox.open { display: flex; animation: lbFadeIn .2s var(--ease); }
.lightbox-img { max-width: min(1280px, 92vw); max-height: 80vh; width: auto; height: auto;
  border-radius: var(--radius-md); background: #fff; box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
  animation: lbZoomIn .26s var(--ease); }
.lightbox-caption { margin-top: 16px; color: rgba(255, 255, 255, .82); text-align: center;
  font-size: var(--fs-small); }
.lightbox-close { position: absolute; top: 20px; right: 28px; width: 40px; height: 40px;
  border: none; border-radius: 50%; background: rgba(255, 255, 255, .14); color: #fff;
  font-size: 24px; line-height: 1; cursor: pointer; transition: background .2s var(--ease); }
.lightbox-close:hover { background: rgba(255, 255, 255, .3); }
body.lightbox-open { overflow: hidden; }
@keyframes lbFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes lbZoomIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@media (max-width: 768px) {
  .lightbox { padding: 56px 12px 24px; }
  .lightbox-img { max-width: 96vw; max-height: 74vh; }
  .lightbox-close { top: 12px; right: 12px; }
}
/* 竖长图限制高度；整页长截图改为「可纵向滚动」查看，避免被压成细条 */
.lightbox-img.is-tall { max-height: 84vh; }
.lightbox.is-ultra { justify-content: flex-start; overflow-y: auto; overscroll-behavior: contain; }
.lightbox.is-ultra .lightbox-img { max-height: none; width: min(900px, 92vw); margin-bottom: 24px; }
@media (max-width: 768px) {
  .lightbox-img.is-tall { max-height: 76vh; }
  .lightbox.is-ultra .lightbox-img { width: 96vw; }
}

/* ========== 15.4 Product Gallery（产品详情：主图 + 缩略图切换）========== */
.prod-gallery { display: flex; flex-direction: column; gap: 12px; }
.prod-gallery-main { display: flex; align-items: center; justify-content: center;
  aspect-ratio: 16 / 10; background: #F5F8FC; border-radius: var(--radius-lg); overflow: hidden; cursor: zoom-in;
  box-shadow: var(--shadow-md); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.prod-gallery-main img { display: block; width: 100%; height: 100%; object-fit: contain; }
.prod-gallery-main:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.prod-gallery-thumbs { display: grid; grid-template-columns: repeat(auto-fit, minmax(88px, 1fr)); gap: 10px; }
.prod-gallery-thumb { display: flex; align-items: center; justify-content: center;
  aspect-ratio: 16 / 10; background: #F5F8FC; border-radius: var(--radius-md); overflow: hidden; cursor: pointer;
  border: 2px solid transparent; opacity: .72;
  transition: border-color .2s var(--ease), opacity .2s var(--ease), transform .2s var(--ease); }
.prod-gallery-thumb img { display: block; width: 100%; height: 100%; object-fit: contain; }
.prod-gallery-thumb:hover { opacity: 1; transform: translateY(-2px); }
.prod-gallery-thumb.active { border-color: var(--primary); opacity: 1; }

/* ========== 15.5 Product Detail Flow（产品详情长图，电商式纵向流）========== */
.prod-detail-flow { display: flex; flex-direction: column; gap: 0; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md); background: #fff; }
.prod-detail-item { display: block; cursor: zoom-in; transition: opacity .2s var(--ease); }
.prod-detail-item img { display: block; width: 100%; height: auto; }
.prod-detail-item:hover { opacity: .92; }

/* ========== 15.6 内容截图高度控制（竖长截图 / 整页长截图）========== */
/* 由 app.js 的 enhanceContentImages() 按图片原始比例打标：
   img.is-tall   = 竖长图（手机截图等）→ 等比缩小并居中，不再按宽度铺满
   host.is-ultra = 超长图（整页长截图）→ 容器限高，内部纵向滚动 */
.case-shot-main img.is-tall,
.case-shot-item img.is-tall,
.prod-detail-item img.is-tall {
  width: auto;
  max-width: 100%;
  max-height: 640px;
  margin: 0 auto;
}
.case-shot-main.is-ultra,
.case-shot-item.is-ultra,
.prod-detail-item.is-ultra {
  max-height: 640px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.case-shot-main.is-ultra img,
.case-shot-item.is-ultra img,
.prod-detail-item.is-ultra img {
  width: 100%;
  max-width: 100%;
  max-height: none;
  margin: 0;
}
/* 手机上进一步收紧，保证一张图不超过一屏 */
@media (max-width: 767px) {
  .case-shot-main img.is-tall,
  .case-shot-item img.is-tall,
  .prod-detail-item img.is-tall { max-height: 56vh; }
  .case-shot-main.is-ultra,
  .case-shot-item.is-ultra,
  .prod-detail-item.is-ultra { max-height: 58vh; }
}

/* ========== 16. CTA Banner ========== */
.cta-banner { background: var(--primary-gradient); color: #fff;
  padding: var(--sp-3xl) 0; text-align: center; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(255,122,69,.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,.1) 0%, transparent 50%); }
.cta-banner.accent { background: var(--accent-gradient); }
.cta-banner-inner { position: relative; z-index: 2; }
.cta-banner h2 { font-size: var(--fs-h2); color: #fff; margin-bottom: 12px; }
.cta-banner p { font-size: var(--fs-body-l); color: rgba(255,255,255,.9);
  margin-bottom: var(--sp-xl); max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-banner-actions { display: flex; gap: var(--sp-md); justify-content: center; flex-wrap: wrap; }

/* ========== 17. Footer ========== */
.footer { background: #0A1929; color: rgba(255,255,255,.75); padding: var(--sp-3xl) 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--sp-2xl); padding-bottom: var(--sp-2xl); }
.footer-col h4 { color: #fff; font-size: var(--fs-body); margin-bottom: var(--sp-md);
  position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0;
  width: 24px; height: 2px; background: var(--accent); }
.footer-col ul li { margin-bottom: 10px; font-size: var(--fs-caption); }
.footer-col a { color: rgba(255,255,255,.65); transition: all .2s; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-md); }
.footer-logo .logo-text strong { color: #fff; }
.footer-logo .logo-text small { color: rgba(255,255,255,.5); }
.footer-desc { font-size: var(--fs-caption); line-height: 1.8; margin-bottom: var(--sp-md); }
.footer-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-badges .badge { background: rgba(255,255,255,.1); color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.15); }
.footer-contact li { display: flex; gap: 4px; align-items: baseline; }
.footer-contact strong { color: rgba(255,255,255,.9); min-width: 68px; font-weight: 500; }
.footer-qr { display: flex; gap: var(--sp-md); margin-top: var(--sp-md); }
.qr-box { text-align: center; }
.qr-placeholder { width: 88px; height: 88px; background: #fff; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; color: var(--text-tertiary);
  font-size: var(--fs-small); margin-bottom: 6px;
  background-image: linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
    linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
    linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
  background-size: 12px 12px; background-position: 0 0, 0 6px, 6px -6px, -6px 0px; }
.qr-placeholder.large { width: 160px; height: 160px; }
.qr-box span { font-size: var(--fs-small); color: rgba(255,255,255,.65); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: var(--sp-lg) 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
  gap: var(--sp-md); font-size: var(--fs-small); color: rgba(255,255,255,.5); }
.footer-links a { color: rgba(255,255,255,.6); margin: 0 4px; }

/* ========== 18. Float Widget ========== */
.float-widget { position: fixed; right: 24px; bottom: 24px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px; }
.float-item { position: relative; width: 48px; height: 48px; background: #fff;
  border-radius: 50%; box-shadow: var(--sh-lg); display: flex; align-items: center;
  justify-content: center; color: var(--primary); cursor: pointer; transition: all .3s;
  border: 1px solid var(--border); }
.float-item:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.float-top { opacity: 0; visibility: hidden; transform: translateY(20px); }
.float-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.float-popover { position: absolute; right: 60px; top: 50%; transform: translateY(-50%) translateX(10px);
  background: #fff; padding: var(--sp-md); border-radius: var(--r-lg);
  box-shadow: var(--sh-xl); opacity: 0; visibility: hidden; transition: all .3s;
  text-align: center; min-width: 200px; }
.float-wechat:hover .float-popover { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.float-popover p { font-size: var(--fs-small); color: var(--text-secondary); margin-top: 8px; }
.float-popover .qr-placeholder { margin: 0 auto; }

/* ========== 19. Loading ========== */
.page-loading { display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 60vh; gap: var(--sp-md); color: var(--text-secondary); }
.loading-spinner { width: 40px; height: 40px; border: 3px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn .4s var(--ease); }
.fade-in-up { animation: fadeInUp .6s var(--ease); }

/* ========== 20. Utility ========== */
.mb-0 { margin-bottom: 0; } .mb-sm { margin-bottom: var(--sp-sm); }
.mb-md { margin-bottom: var(--sp-md); } .mb-lg { margin-bottom: var(--sp-lg); }
.mb-xl { margin-bottom: var(--sp-xl); } .mb-2xl { margin-bottom: var(--sp-2xl); }
.mt-lg { margin-top: var(--sp-lg); } .mt-xl { margin-top: var(--sp-xl); }
.py-xl { padding-top: var(--sp-xl); padding-bottom: var(--sp-xl); }

/* Icon circle */
.icon-circle { width: 64px; height: 64px; border-radius: var(--r-lg);
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 32px; }
.icon-circle-lg { width: 96px; height: 96px; font-size: 48px; }

/* Placeholder image */
.img-placeholder { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--primary-light) 0%, #D6E4F5 100%);
  border-radius: var(--r-lg); display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 48px; position: relative; overflow: hidden; }
.img-placeholder::before { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(45deg, rgba(255,255,255,.4) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.4) 25%, transparent 25%);
  background-size: 20px 20px; opacity: .3; }

/* Content prose */
.prose { line-height: 1.9; color: var(--text-primary); }
.prose p { margin-bottom: var(--sp-md); }
.prose h3 { margin: var(--sp-xl) 0 var(--sp-md); font-size: var(--fs-h3); }
.prose h4 { margin: var(--sp-lg) 0 var(--sp-sm); font-size: var(--fs-h4); }
.prose ul, .prose ol { margin: var(--sp-md) 0; padding-left: var(--sp-lg); }
.prose ul li { list-style: disc; margin-bottom: 6px; }
.prose ol li { list-style: decimal; margin-bottom: 6px; }
.prose blockquote { border-left: 4px solid var(--primary); padding: 12px var(--sp-lg);
  background: var(--bg-section); margin: var(--sp-md) 0; color: var(--text-secondary);
  border-radius: 0 var(--r-md) var(--r-md) 0; }
.prose strong { color: var(--primary); font-weight: 600; }

/* Logo wall */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--sp-md); }
.logo-item { aspect-ratio: 5/2; background: #fff; border: 1px solid var(--border);
  border-radius: var(--r-md); display: flex; align-items: center; justify-content: center;
  color: var(--text-tertiary); font-size: var(--fs-caption); font-weight: 500;
  filter: grayscale(100%); opacity: .6; transition: all .3s; padding: var(--sp-md); text-align: center; }
.logo-item:hover { filter: grayscale(0); opacity: 1; border-color: var(--primary);
  color: var(--primary); transform: translateY(-2px); box-shadow: var(--sh-md); }

/* Contact card */
.contact-card { text-align: center; padding: var(--sp-xl); }
.contact-card-icon { width: 56px; height: 56px; margin: 0 auto var(--sp-md);
  background: var(--primary-light); color: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 24px; }
.contact-card h4 { font-size: var(--fs-caption); color: var(--text-secondary);
  font-weight: 400; margin-bottom: 8px; }
.contact-card .value { font-size: var(--fs-h4); color: var(--text-primary); font-weight: 600; word-break: break-all; }

/* 高德地图区块（Key 配置见 assets/js/map-config.js） */
.map-block { position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: var(--primary-light); box-shadow: var(--sh-md); }
.amap-container { position: relative; width: 100%; height: 480px; }  /* 必须有确定高度，否则地图不渲染 */

/* 覆盖层：加载中 / 加载失败降级 */
.map-overlay { position: absolute; inset: 0; z-index: 5; padding: var(--sp-xl);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: var(--primary); }
.map-overlay[hidden] { display: none !important; }
.map-overlay::before { content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, #E8F0FB 0%, #D6E4F5 100%); }
.map-overlay::after { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(10,77,166,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,77,166,.1) 1px, transparent 1px);
  background-size: 40px 40px; }
.map-overlay > * { position: relative; z-index: 2; }
.map-loading p { margin-top: 12px; font-size: var(--fs-caption); color: var(--text-secondary); }
.map-pin { font-size: 48px; margin-bottom: 12px; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* 地图浮层工具条：地址 + 导航按钮 */
.map-toolbar { position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 6;
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-md);
  padding: 10px 16px; background: rgba(255,255,255,.96); border-radius: var(--r-md);
  box-shadow: var(--sh-lg); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.map-toolbar-addr { font-size: var(--fs-caption); color: var(--text-secondary);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 自定义标记（内联 SVG，不依赖外部图片）
   注意：.amap-pin-wrap 的 width 必须是 0。
   高德对自定义 content 的标记按「内容左上角」对齐锚点，若容器有实际宽度，
   图钉会被容器宽度推偏（名称标签越宽偏得越多，实测约 +71px 的横向偏移）。
   宽度设为 0 后，flex 的 align-items:center 会让图钉与标签对称溢出，
   从而自动以锚点为中心——配合 JS 里 offset 的 x 分量为 0 即可精确对点。 */
.amap-pin-wrap { display: flex; flex-direction: column; align-items: center; cursor: pointer;
  width: 0; }
/* 全局 reset 的 svg{max-width:100%} 会让 SVG 在零宽容器里被压扁，这里必须放开 */
.amap-pin-wrap svg { max-width: none; flex: 0 0 auto; }
.amap-pin-label { margin-top: 2px; padding: 2px 10px; font-size: var(--fs-small); font-weight: 600;
  color: var(--primary); background: #fff; border-radius: var(--r-full);
  box-shadow: var(--sh-md); white-space: nowrap; }

/* 信息窗体内容（渲染在高德 InfoWindow 内）
   注意：类名不能叫 .amap-info —— 会与高德 SDK 自带的 .amap-info 样式冲突，
   导致窗体内容被 position:absolute 化而裁切 */
.amap-loc-info { min-width: 180px; font-size: var(--fs-caption); color: var(--text-primary); }
.amap-loc-info strong { display: block; font-size: var(--fs-body); margin-bottom: 6px; }
.amap-loc-info p { margin: 2px 0; line-height: 1.6; color: var(--text-secondary); }

@media (max-width: 768px) {
  .amap-container { height: 380px; }
  .map-overlay { padding: var(--sp-md); }
  .map-toolbar { left: 12px; right: 12px; bottom: 12px;
    flex-direction: column; align-items: stretch; text-align: center; }
  .map-toolbar-addr { white-space: normal; }
}

/* Org chart */
.org-chart { padding: var(--sp-xl); background: var(--bg-section); border-radius: var(--r-lg); }
.org-level { display: flex; justify-content: center; gap: var(--sp-md); margin-bottom: var(--sp-xl); flex-wrap: wrap; }
.org-node { background: #fff; border: 2px solid var(--primary); padding: 12px 20px;
  border-radius: var(--r-md); font-weight: 500; color: var(--primary);
  min-width: 120px; text-align: center; position: relative; box-shadow: var(--sh-sm); }
.org-node.root { background: var(--primary); color: #fff; font-weight: 600; }
.org-node.sub { border-color: var(--border); color: var(--text-primary); font-weight: 400; font-size: var(--fs-caption); }
.org-connector { text-align: center; color: var(--primary); margin: -12px 0 var(--sp-md); font-size: 20px; }

/* Certificate grid */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-md); }
.cert-item { background: #fff; padding: var(--sp-md); border-radius: var(--r-md);
  border: 1px solid var(--border); text-align: center; transition: all .3s; cursor: pointer; }
.cert-item:hover { border-color: var(--primary); box-shadow: var(--sh-md); transform: translateY(-2px); }
.cert-thumb { aspect-ratio: 3/4; background: linear-gradient(135deg, #FFF7E6, #FFE7BA);
  border-radius: var(--r-sm); margin-bottom: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 32px; color: #D48806; }
.cert-item p { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.4; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  margin-bottom: var(--sp-sm); overflow: hidden; transition: all .2s; }
.faq-item.open { border-color: var(--primary); box-shadow: var(--sh-md); }
.faq-q { padding: var(--sp-md) var(--sp-lg); cursor: pointer; display: flex;
  align-items: center; justify-content: space-between; font-weight: 500; gap: var(--sp-md); }
.faq-q::after { content: '+'; font-size: 24px; color: var(--primary); transition: transform .3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s; color: var(--text-secondary); }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 var(--sp-lg) var(--sp-md); font-size: var(--fs-caption); line-height: 1.8; }

/* Products sidebar layout */
.products-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--sp-2xl); }
.products-sidebar { position: sticky; top: calc(var(--navbar-h) + 24px); align-self: start; }
.category-list li { margin-bottom: 4px; }
.category-list a { display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; color: var(--text-secondary); border-radius: var(--r-md);
  font-size: var(--fs-caption); transition: all .2s; cursor: pointer; }
.category-list a:hover { background: var(--primary-light); color: var(--primary); }
.category-list a.active { background: var(--primary); color: #fff; font-weight: 500; }
.category-list .count { font-size: var(--fs-small); opacity: .7; }

/* Team photo wall */
.photo-wall { columns: 3; column-gap: var(--sp-md); }
.photo-item { break-inside: avoid; margin-bottom: var(--sp-md); border-radius: var(--r-lg);
  overflow: hidden; position: relative; cursor: pointer;
  background: linear-gradient(135deg, var(--primary-light), #D6E4F5); aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 32px; }
.photo-item:hover::after { content: attr(data-caption); position: absolute; inset: auto 0 0 0;
  background: linear-gradient(transparent, rgba(0,0,0,.7)); color: #fff;
  padding: var(--sp-lg) var(--sp-md) var(--sp-sm); font-size: var(--fs-caption); }

/* Hero content on inner pages */
.hero-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: center; }

/* Anchor section */
.anchor-section { scroll-margin-top: calc(var(--navbar-h) + 24px); }

/* ========== 21. Responsive ========== */
@media (max-width: 1023px) {
  :root { --fs-display: 40px; --fs-h1: 32px; --fs-h2: 26px; --fs-h3: 20px; --fs-h4: 18px; }
  .navbar-menu { display: none; }
  .navbar-toggle { display: flex; }
  .navbar-phone { display: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: var(--sp-xl); }
  .step:not(:last-child)::after { display: none; }
  .products-layout { grid-template-columns: 1fr; }
  .products-sidebar { position: static; }
  .category-list { display: flex; overflow-x: auto; gap: 8px; padding-bottom: 8px; }
  .category-list li { flex-shrink: 0; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .photo-wall { columns: 2; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 40px 1fr; gap: var(--sp-md); }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { grid-column: 2; text-align: left; }
  .timeline-item .timeline-spacer { display: none; }
  .timeline-dot { grid-column: 1; }
  .hero-split { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  :root { --fs-display: 32px; --fs-h1: 26px; --fs-h2: 22px; --navbar-h: 64px; }
  .section { padding: var(--sp-3xl) 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-xl); }
  .hero { min-height: 560px; }
  .hero-stats-inner { grid-template-columns: repeat(2, 1fr); gap: var(--sp-lg); }
  .hero-stat { border-right: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .photo-wall { columns: 1; }
  .float-widget { right: 12px; bottom: 12px; gap: 8px; }
  .float-item { width: 42px; height: 42px; }
  .float-popover { display: none; }
  .page-banner { height: 240px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .data-card-value { font-size: 36px; }
}

/* ============ 首页服务切换：左右按钮菜单 + 服务卡片块 ============ */
.svc-tabs-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-lg);
  margin-bottom: var(--sp-2xl);
}
.svc-tab {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  color: var(--text-secondary);
  transition: all .25s var(--ease);
}
.svc-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
}
.svc-tab.active {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--sh-lg);
}
.svc-tab-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, #EDF4FE 0%, #D6E5FA 100%);
  box-shadow: inset 0 0 0 1px rgba(10, 77, 166, .07);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--ease);
}
.svc-tab-icon svg { width: 26px; height: 26px; }
.svc-tab.active .svc-tab-icon {
  background: rgba(255, 255, 255, .2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .28);
  color: #fff;
}
.svc-tab-text { flex: 1; min-width: 0; }
.svc-tab-text strong { display: block; font-size: var(--fs-h4); font-weight: 600; line-height: 1.3; }
.svc-tab-text small { display: block; margin-top: 2px; font-size: var(--fs-small); opacity: .78; }
.svc-tab-cta {
  flex-shrink: 0; display: inline-flex; align-items: center;
  font-size: var(--fs-caption); font-weight: 500;
  padding: 6px 14px; border-radius: var(--r-full);
  background: var(--primary-light); color: var(--primary);
  text-decoration: none; white-space: nowrap;
  transition: all .25s var(--ease);
}
.svc-tab-cta:hover { background: var(--primary); color: #fff; }
.svc-tab.active .svc-tab-cta { background: rgba(255, 255, 255, .22); color: #fff; }
.svc-tab.active .svc-tab-cta:hover { background: rgba(255, 255, 255, .38); }
.svc-panel-desc {
  text-align: center; color: var(--text-secondary);
  font-size: var(--fs-caption); line-height: 1.7;
  max-width: 760px; margin: 0 auto var(--sp-xl);
}
.svc-card-grid { gap: var(--sp-lg); }
.svc-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding: var(--sp-xl);
  text-decoration: none;
}
.svc-card-icon {
  width: 56px; height: 56px; flex-shrink: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #EDF4FE 0%, #D6E5FA 100%);
  box-shadow: inset 0 0 0 1px rgba(10, 77, 166, .07);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: all .28s var(--ease);
}
.svc-card-icon svg { width: 28px; height: 28px; }
.svc-card:hover .svc-card-icon {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 10px 22px rgba(10, 77, 166, .28);
  transform: translateY(-2px) scale(1.05);
}
.svc-card-text { flex: 1; min-width: 0; padding-right: 20px; }
.svc-card-text strong { display: block; margin-bottom: 6px; color: var(--text-primary); transition: color .2s var(--ease); }
.svc-card-text small { display: block; }
.svc-card:hover .svc-card-text strong { color: var(--primary); }
.svc-card-arrow {
  position: absolute; top: var(--sp-xl); right: var(--sp-xl);
  color: var(--primary); font-size: var(--fs-body-l);
  opacity: 0; transform: translateX(-4px);
  transition: all .25s var(--ease);
}
.svc-card:hover .svc-card-arrow { opacity: 1; transform: translateX(0); }
@media (max-width: 900px) {
  .svc-tabs-bar { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .svc-card-grid.grid-3 { grid-template-columns: 1fr; }
}

/* ============ 公司简介：左图右文 ============ */
.about-intro {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: stretch;
  max-width: 1100px;
  margin: 0 auto;
}
.about-intro-side {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--sh-md);
  min-height: 440px;
}
.about-intro-side img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.about-intro-side:hover img { transform: scale(1.04); }
.about-intro-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 48px 20px 16px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 37, 64, .85) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.about-intro-caption strong { font-size: 16px; }
.about-intro-caption span { font-size: 12px; opacity: .88; }
.about-intro-body { background: transparent; }
.about-intro-body .h2-section { text-align: left; }
.about-scope {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--sh-md);
}
@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; }
  .about-intro-side { min-height: 280px; }
}

/* ========== 22. Print & Motion ========== */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media print {
  .navbar, .footer, .float-widget, .mobile-drawer { display: none; }
  .app-main { padding-top: 0; }
}