/* ========================================
   河玛官网 - 通用样式（专业增强版）
   全局重置、导航、页脚、组件库
   ======================================== */

/* ── 全局重置 ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

/* ── 减弱动画支持 ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

}

body {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-body);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* 全站底色（仅渐变，纹理由各区块独立图案承担） */
.site-tech-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 85% 8%, rgba(37, 99, 235, 0.09) 0%, transparent 50%),
    radial-gradient(ellipse 55% 40% at 8% 92%, rgba(14, 165, 233, 0.07) 0%, transparent 45%),
    linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

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

/* ── 焦点样式（全局无障碍） ── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ── 选中文字样式 ── */
::selection {
  background: var(--color-accent-dim);
  color: var(--color-accent);
}

/* ═══════════════════════════════════════════
   顶部导航栏
   ═══════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-nav);
  background: rgba(255, 255, 255, 0.96);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
  margin-left: 4rem;
}

.navbar .logo:hover {
  color: inherit;
}

.navbar .logo-mark {
  height: 38px;
  width: auto;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.navbar .logo:hover .logo-mark {
  transform: scale(1.03);
}

.navbar .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.navbar .logo-name {
  font-family: var(--font-family-zh);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: 1px;
  transition: color var(--transition-fast);
}

.navbar .logo-tagline {
  font-family: var(--font-family-zh);
  font-size: 0.625rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  margin-top: 2px;
  transition: color var(--transition-fast);
}

/* 高清 PNG 备用（页脚等场景） */
.logo-img {
  height: 36px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.logo-img-hd {
  height: 40px;
  width: auto;
}

.navbar .nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  align-items: center;
}

.navbar .nav-links a {
  display: inline-block;
  color: var(--color-text-secondary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.3px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
}

.navbar .nav-links a:hover {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.navbar .nav-links a.active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
  font-weight: var(--font-weight-semibold);
}

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  z-index: 1001;
}

.nav-toggle:hover {
  background: var(--color-accent-dim);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════════════════════════════════
   页面 Banner（子页面）
   ═══════════════════════════════════════════ */

.page-banner {
  margin-top: var(--nav-height);
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  background: transparent;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-light);
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 480px;
  height: 480px;
  transform: translate(-50%, -55%);
  border: 1px solid rgba(37, 99, 235, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  letter-spacing: 2px;
}

.page-banner .subtitle {
  font-family: var(--font-family-en);
  font-size: var(--font-size-caption);
  color: var(--color-accent);
  letter-spacing: 3px;
  margin-top: var(--spacing-xs);
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
}

.page-banner .breadcrumb {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
}

.page-banner .breadcrumb a {
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.page-banner .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-banner .breadcrumb span {
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   区块容器
   ═══════════════════════════════════════════ */

.section {
  padding: var(--spacing-3xl) 0;
  background: transparent;
  position: relative;
  overflow: hidden;
}

/* 交替区块轻半透明衬底，不遮挡全站科技纹理 */
main > .section:nth-of-type(even) {
  background: rgba(238, 242, 247, 0.3);
}

/* 各区块独立科技纹理（5 种明显不同的铺法，随滚动切换） */
main > section,
.stats-band,
.cta-banner {
  position: relative;
}

main > section::after,
.stats-band::after,
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

main > * > .container {
  position: relative;
  z-index: 1;
}

/* A：右上角大型电路图 */
main > section:nth-of-type(5n+1)::after {
  background: url('../assets/bg-pattern-circuit.svg') no-repeat 102% -5% / min(460px, 58vw);
  opacity: 0.72;
}

/* 数据条：电路 + 点阵双纹理 */
.stats-band::after {
  background: url('../assets/bg-pattern-circuit.svg') no-repeat 98% -10% / min(380px, 50vw);
  opacity: 0.68;
}

/* B：全铺六边形蜂巢 */
main > section:nth-of-type(5n+2):not(.stats-band)::after {
  background: url('../assets/bg-pattern-hex.svg') repeat 0 0 / 110px 96px;
  opacity: 0.28;
}

/* C：底部数据波形横带 */
main > section:nth-of-type(5n+3)::after {
  background: url('../assets/bg-pattern-wave.svg') no-repeat center 108% / 110% 180px;
  opacity: 0.65;
}

/* D：左侧雷达扫描圆 */
main > section:nth-of-type(5n+4)::after {
  background: url('../assets/bg-pattern-radar.svg') no-repeat -18% 42% / min(480px, 75vw);
  opacity: 0.58;
}

/* E：全铺网格线 */
main > section:nth-of-type(5n)::after,
.cta-banner::after {
  background: url('../assets/bg-pattern-grid.svg') repeat 0 0 / 200px 200px;
  opacity: 0.22;
}

/* 数据条：点阵底纹（与电路角图叠加） */
.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: url('../assets/bg-pattern-dots.svg') repeat 0 0 / 28px 28px;
  opacity: 0.35;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
}

.section-header h2 .accent {
  color: var(--color-accent);
  position: relative;
}

.section-header p {
  font-size: var(--font-size-body);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   卡片组件（科技质感 · 无角落光晕）
   ═══════════════════════════════════════════ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  counter-reset: card-item;
}

.card {
  position: relative;
  background: linear-gradient(155deg, #FFFFFF 0%, #F9FBFE 48%, #F1F6FD 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
  cursor: pointer;
  overflow: hidden;
  counter-increment: card-item;
}

/* 右上角序号水印 */
.card::after {
  content: counter(card-item, decimal-leading-zero);
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-family-en);
  font-size: 2rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  color: rgba(37, 99, 235, 0.06);
  pointer-events: none;
  transition: color var(--transition-normal);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.card:hover::after {
  color: rgba(37, 99, 235, 0.1);
}

.card .card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.06));
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover .card-icon {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.16);
}

.card .card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.card h3 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.3px;
  padding-right: 2.5rem;
}

.card p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

.card > .tag:first-child {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.05));
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.3px;
}

.card > .tag:first-child::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* 同组卡片图标色轮换 */
.card-grid .card:nth-child(4n+1) .card-icon {
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.14), rgba(59, 130, 246, 0.06));
}

.card-grid .card:nth-child(4n+2) {
  border-left: 3px solid rgba(14, 165, 233, 0.28);
}

.card-grid .card:nth-child(4n+2) .card-icon {
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.14), rgba(56, 189, 248, 0.06));
  border-radius: 50%;
}

.card-grid .card:nth-child(4n+2) .card-icon svg {
  color: #0284C7;
}

.card-grid .card:nth-child(4n+3) .card-icon {
  background: linear-gradient(145deg, rgba(79, 70, 229, 0.12), rgba(99, 102, 241, 0.06));
}

.card-grid .card:nth-child(4n+3) .card-icon svg {
  color: #4F46E5;
}

.card-grid .card:nth-child(4n) .card-icon {
  background: linear-gradient(145deg, rgba(8, 145, 178, 0.12), rgba(34, 211, 238, 0.06));
}

.card-grid .card:nth-child(4n) .card-icon svg {
  color: #0891B2;
}

.card-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ═══════════════════════════════════════════
   按钮组件
   ═══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-align: center;
  font-family: var(--font-family-zh);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-button);
  color: #fff;
  transform: translateY(-1px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════════
   第一屏：3D 场景图
   ═══════════════════════════════════════════ */

.hero-scene {
  margin-top: var(--nav-height);
  width: 100%;
  height: calc(100vh - var(--nav-height));
  overflow: hidden;
  line-height: 0;
}

.hero-scene-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ═══════════════════════════════════════════
   Hero 区域（首页专用）- 全面升级
   ═══════════════════════════════════════════ */

.hero {
  position: relative;
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  text-align: left;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 12%;
  right: 8%;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 50%;
  animation: heroFloat 20s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(37, 99, 235, 0.06);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 18%;
  left: 6%;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: 50%;
  animation: heroFloat 15s ease-in-out infinite reverse;
}

/* Hero 首屏专属装饰（全站纹理由 .site-tech-bg 承担） */
.tech-bg-layer::after {
  content: 'AI';
  position: absolute;
  top: 22%;
  right: 14%;
  font-family: var(--font-family-en);
  font-size: 7rem;
  font-weight: var(--font-weight-extrabold);
  color: rgba(37, 99, 235, 0.04);
  letter-spacing: 0.2em;
  user-select: none;
}

.tech-bg-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

@keyframes techScan {
  0% { transform: translateY(0); }
  100% { transform: translateY(300%); }
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(20px, -20px) scale(1.05); }
  50% { transform: translate(-10px, -30px) scale(0.95); }
  75% { transform: translate(-20px, 10px) scale(1.02); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-small);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.5px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-family-zh);
  font-size: clamp(1.875rem, 3.2vw, var(--font-size-display));
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
  white-space: nowrap;
}

.hero-title .dot {
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.hero-subtitle {
  font-family: var(--font-family-en);
  font-size: var(--font-size-caption);
  color: var(--color-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
  font-weight: var(--font-weight-medium);
}

.hero-desc {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-body);
  color: var(--color-text-tertiary);
  max-width: 540px;
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn-glow {
  background: linear-gradient(135deg, var(--color-accent), #3B82F6);
  color: #fff;
  box-shadow: var(--shadow-button);
}

.btn-glow:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.3);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Hero 驾驶舱预览 */
.cockpit-preview {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.cockpit-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-secondary), transparent);
}

.cockpit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.cockpit-dots {
  display: flex;
  gap: 6px;
}

.cockpit-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-bg-tertiary);
}

.cockpit-dots span:first-child { background: #FF5F57; }
.cockpit-dots span:nth-child(2) { background: #FEBC2E; }
.cockpit-dots span:nth-child(3) { background: #28C840; }

.cockpit-title {
  font-family: var(--font-family-en);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.cockpit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.cockpit-metric {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  text-align: center;
}

.cockpit-metric .value {
  font-family: var(--font-family-en);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1.2;
}

.cockpit-metric .label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.cockpit-chart {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  height: 120px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.cockpit-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--color-accent-light), rgba(37, 99, 235, 0.15));
  border-radius: 3px 3px 0 0;
  animation: barGrow 1.5s ease-out forwards;
  transform-origin: bottom;
  transform: scaleY(0);
}

.cockpit-bar:nth-child(1) { height: 45%; animation-delay: 0.1s; }
.cockpit-bar:nth-child(2) { height: 70%; animation-delay: 0.2s; }
.cockpit-bar:nth-child(3) { height: 55%; animation-delay: 0.3s; }
.cockpit-bar:nth-child(4) { height: 85%; animation-delay: 0.4s; }
.cockpit-bar:nth-child(5) { height: 60%; animation-delay: 0.5s; }
.cockpit-bar:nth-child(6) { height: 75%; animation-delay: 0.6s; }
.cockpit-bar:nth-child(7) { height: 50%; animation-delay: 0.7s; }

@keyframes barGrow {
  to { transform: scaleY(1); }
}

.cockpit-status {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.cockpit-status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
  padding: 4px 10px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-light);
}

.cockpit-status-item .dot-live {
  width: 6px;
  height: 6px;
  background: #28C840;
  border-radius: 50%;
  box-shadow: 0 0 6px #28C840;
}

/* section-dark 保留类名兼容，样式与默认区块一致 */
.section-dark {
  background: transparent;
}

/* ═══════════════════════════════════════════
   统计数字网格（首页专用）
   ═══════════════════════════════════════════ */

.stats-band {
  position: relative;
  overflow: hidden;
  background: rgba(238, 242, 247, 0.35);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: default;
}

.stat-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
}

.stats-band .stat-number {
  color: var(--color-accent);
  font-size: 1.75rem;
  letter-spacing: 0.5px;
}

.stats-band .stat-label {
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   痛点对比
   ═══════════════════════════════════════════ */

.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  max-width: 960px;
  margin: 0 auto;
}

.pain-column {
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
}

.pain-column.old {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.pain-column.new {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(14, 165, 233, 0.03));
  border: 1.5px solid var(--color-border-hover);
}

.pain-column h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.pain-column.old h3 { color: var(--color-text-tertiary); }
.pain-column.new h3 { color: var(--color-accent); }

.pain-column ul {
  list-style: none;
  padding: 0;
}

.pain-column li {
  font-size: var(--font-size-caption);
  padding: 10px 0;
  padding-left: 1.6em;
  position: relative;
  line-height: var(--line-height-relaxed);
  border-bottom: 1px solid var(--color-border-light);
}

.pain-column.new li {
  border-bottom-color: rgba(37, 99, 235, 0.08);
  color: var(--color-text-secondary);
}

.pain-column.old li {
  color: var(--color-text-tertiary);
}

.pain-column li::before {
  position: absolute;
  left: 0;
  top: 12px;
  font-size: 0.75rem;
}

.pain-column.old li::before { content: '✕'; color: #EF4444; }
.pain-column.new li::before { content: '✓'; color: var(--color-accent); font-weight: bold; }

/* ═══════════════════════════════════════════
   效果数据
   ═══════════════════════════════════════════ */

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.result-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F9FF 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.result-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.result-value {
  font-family: var(--font-family-tech);
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1;
}

.result-value .unit {
  font-size: 1.5rem;
}

.result-label {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.result-desc {
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   AI 能力卡片
   ═══════════════════════════════════════════ */

.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.ai-card {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF 0%, #F6FAFF 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.ai-card::after {
  content: 'AI';
  position: absolute;
  top: 10px;
  right: 14px;
  font-family: var(--font-family-en);
  font-size: 0.65rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  color: rgba(37, 99, 235, 0.35);
  padding: 3px 8px;
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.05);
}

.ai-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
}

.ai-card .ai-icon {
  width: 72px;
  height: 72px;
  margin: var(--spacing-sm) auto var(--spacing-md);
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.14), rgba(124, 58, 237, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.12);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.ai-card:hover .ai-icon {
  transform: scale(1.06);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.18);
}

.ai-card .ai-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.ai-grid .ai-card:nth-child(4n+2) .ai-icon {
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.14), rgba(167, 139, 250, 0.08));
}

.ai-grid .ai-card:nth-child(4n+3) .ai-icon {
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.14), rgba(56, 189, 248, 0.08));
}

.ai-grid .ai-card:nth-child(4n) .ai-icon {
  background: linear-gradient(145deg, rgba(5, 150, 105, 0.14), rgba(52, 211, 153, 0.08));
}

.ai-grid .ai-card:nth-child(4n) .ai-icon svg {
  color: #059669;
}

.ai-card h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.ai-card p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   CTA 转化区
   ═══════════════════════════════════════════ */

.cta-banner {
  position: relative;
  overflow: hidden;
  background: rgba(238, 242, 247, 0.45);
  border-top: 1px solid var(--color-border-light);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: var(--font-size-h1);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 1px;
}

.cta-banner p {
  font-size: var(--font-size-body);
  color: var(--color-text-tertiary);
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   资质徽章
   ═══════════════════════════════════════════ */

.badges-row {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

.badge-item {
  padding: 8px 18px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-small);
  color: var(--color-text-tertiary);
  box-shadow: var(--shadow-xs);
  letter-spacing: 0.3px;
}

/* ═══════════════════════════════════════════
   合作伙伴卡片
   ═══════════════════════════════════════════ */

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.partner-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
  cursor: pointer;
}

.partner-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.partner-card h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
}

.partner-card .tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.05));
  border: 1px solid rgba(37, 99, 235, 0.18);
  color: var(--color-accent);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.partner-card p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   页脚（增强版）
   ═══════════════════════════════════════════ */

.site-footer {
  position: relative;
  overflow: hidden;
  background: rgba(238, 242, 247, 0.5);
  border-top: 1px solid var(--color-border-light);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  margin-top: 0;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url('../assets/bg-pattern-radar.svg') no-repeat 108% -20% / min(420px, 70vw);
  opacity: 0.45;
}

.site-footer > .container {
  position: relative;
  z-index: 1;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
}

.site-footer h4 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.5px;
}

.site-footer p,
.site-footer a {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  line-height: 2;
  transition: color var(--transition-fast);
}

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

.site-footer .footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  line-height: 2;
}

.site-footer .footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-accent);
  opacity: 0.7;
}

.site-footer .footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════
   通栏分割线
   ═══════════════════════════════════════════ */

.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 0;
  border: none;
}

/* ═══════════════════════════════════════════
   标签
   ═══════════════════════════════════════════ */

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-xs);
  letter-spacing: 0.3px;
}

/* ═══════════════════════════════════════════
   统计数字
   ═══════════════════════════════════════════ */

.stat-number {
  font-family: var(--font-family-en);
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-caption);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ═══════════════════════════════════════════
   滚动入场动画
   ═══════════════════════════════════════════ */

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 错开入场延迟 */
.fade-in-stagger > *:nth-child(1) { transition-delay: 0ms; }
.fade-in-stagger > *:nth-child(2) { transition-delay: 80ms; }
.fade-in-stagger > *:nth-child(3) { transition-delay: 160ms; }
.fade-in-stagger > *:nth-child(4) { transition-delay: 240ms; }
.fade-in-stagger > *:nth-child(5) { transition-delay: 320ms; }
.fade-in-stagger > *:nth-child(6) { transition-delay: 400ms; }
.fade-in-stagger > *:nth-child(7) { transition-delay: 480ms; }
.fade-in-stagger > *:nth-child(8) { transition-delay: 560ms; }

/* ═══════════════════════════════════════════
   公司简介文本（关于页专用）
   ═══════════════════════════════════════════ */

.about-intro {
  max-width: 800px;
  margin: 0 auto;
}

.about-intro p {
  font-size: var(--font-size-body);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

/* ═══════════════════════════════════════════
   发展历程时间线（关于页专用）
   ═══════════════════════════════════════════ */

.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) - 5px);
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-bg-elevated);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.timeline-year {
  font-family: var(--font-family-en);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: 4px;
}

.timeline-content h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.timeline-content p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   架构图（方案页专用）
   ═══════════════════════════════════════════ */

.arch-diagram {
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
}

.arch-row {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.arch-box {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  min-width: 160px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: default;
}

.arch-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.arch-box.primary {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(14, 165, 233, 0.03));
  border: 1.5px solid var(--color-accent);
}

.arch-box.accent {
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
}

.arch-box.secondary {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.arch-box small {
  display: block;
  font-weight: var(--font-weight-normal);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-small);
  margin-top: 6px;
  line-height: var(--line-height-relaxed);
}

.arch-arrow {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin: var(--spacing-sm) 0;
  opacity: 0.6;
}

/* ── 架构图 SVG 箭头（替代 emoji ▲） ── */
.arch-arrow-icon {
  display: block;
  margin: var(--spacing-sm) auto;
  color: var(--color-accent);
  opacity: 0.7;
}

/* ═══════════════════════════════════════════
   方案详情区
   ═══════════════════════════════════════════ */

.solution-detail {
  margin-top: var(--spacing-lg);
}

/* ═══════════════════════════════════════════
   高亮说明框
   ═══════════════════════════════════════════ */

.highlight-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(14, 165, 233, 0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.highlight-box h3 {
  font-size: var(--font-size-h3);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.highlight-box ul {
  list-style: none;
  padding: 0;
}

.highlight-box li {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  padding: 8px 0;
  padding-left: 1.8em;
  position: relative;
  line-height: var(--line-height-relaxed);
}

.highlight-box li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 16px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  opacity: 0.6;
}

/* ═══════════════════════════════════════════
   新闻列表（新闻页专用）
   ═══════════════════════════════════════════ */

.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.news-item:first-child {
  padding-top: 0;
}

.news-item:hover {
  background: var(--color-accent-dim);
}

.news-date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding-top: 4px;
}

.news-day {
  display: block;
  font-family: var(--font-family-en);
  font-size: 1.75rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
  line-height: 1;
}

.news-month {
  display: block;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.news-content h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.news-content p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-sm);
}

.news-link {
  font-size: var(--font-size-small);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

/* ═══════════════════════════════════════════
   岗位列表（招聘页专用）
   ═══════════════════════════════════════════ */

.jobs-list {
  max-width: 800px;
  margin: 0 auto;
}

.job-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  background: var(--color-bg-elevated);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  gap: var(--spacing-md);
  cursor: pointer;
}

.job-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.job-info h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.job-info p {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

.job-info p span {
  margin-right: var(--spacing-md);
}

/* ═══════════════════════════════════════════
   联系我们 - 联系信息卡片（升级）
   ═══════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
  gap: var(--spacing-xl);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-info-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
  cursor: default;
}

.contact-info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-border-hover);
}

.contact-info-card .contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-card .contact-icon svg {
  width: var(--icon-md);
  height: var(--icon-md);
  color: var(--color-accent);
}

.contact-info-card h4 {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: var(--font-size-small);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   联系我们 - 表单（增强版）
   ═══════════════════════════════════════════ */

.contact-form-wrapper {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xs);
}

.contact-form-wrapper h3 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: 0;
}

.contact-form .form-group {
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

.contact-form label {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.contact-form label .required {
  color: #E53E3E;
  margin-left: 2px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 10px 14px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-caption);
  font-family: var(--font-family-zh);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
  border-color: var(--color-border-hover);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
  background: var(--color-bg-elevated);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-muted);
}

.contact-form select {
  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='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.contact-form button[type="submit"] {
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* ═══════════════════════════════════════════
   联系页面 - 响应式
   ═══════════════════════════════════════════ */

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .contact-form .form-row {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   响应式 - 通用
   ═══════════════════════════════════════════ */

/* 平板及以下 (≤1024px) */
@media (max-width: 1024px) {
  .card-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 移动端 (≤768px) */
@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
  }

  /* 导航 - 汉堡菜单 */
  .nav-toggle {
    display: flex;
  }

  .navbar .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl) var(--spacing-lg);
    gap: var(--spacing-xs);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .navbar .nav-links.open {
    transform: translateX(0);
  }

  .navbar .nav-links a {
    font-size: 1.125rem;
    padding: 14px 16px;
    width: 100%;
    border-radius: var(--radius-md);
  }

  .navbar .logo-tagline {
    display: none;
  }

  .navbar .logo-name {
    font-size: 1rem;
  }

  .navbar .logo-mark {
    height: 30px;
    width: auto;
  }

  /* 卡片改为单列 */
  .card-grid,
  .card-grid.cols-4,
  .card-grid.cols-3 {
    grid-template-columns: 1fr;
  }

  /* 页脚 */
  .site-footer .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .page-banner {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }

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

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

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

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

  .arch-row {
    flex-direction: column;
  }

  .arch-box {
    min-width: auto;
  }

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

/* ═══════════════════════════════════════════
   停车缴费 - 全局悬浮按钮
   ═══════════════════════════════════════════ */

.floating-parking-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--color-accent), #3B82F6);
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.35);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.floating-parking-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(37, 99, 235, 0.45);
  color: #fff;
}

.floating-parking-btn:active {
  transform: scale(0.96);
}

.floating-parking-btn .floating-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.floating-parking-btn .floating-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.floating-parking-btn .floating-title {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.3px;
}

.floating-parking-btn .floating-sub {
  font-size: 0.625rem;
  opacity: 0.85;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .floating-parking-btn {
    bottom: 20px;
    right: 20px;
    padding: 14px;
    border-radius: 50%;
    gap: 0;
  }
  .floating-parking-btn .floating-text {
    display: none;
  }
  .floating-parking-btn .floating-icon {
    font-size: 1.25rem;
  }
}

/* ═══════════════════════════════════════════
   停车缴费 - 页面级样式
   ═══════════════════════════════════════════ */

/* Hero */
.parking-hero {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.04) 0%, transparent 100%);
}

.parking-hero-desc {
  font-size: var(--font-size-body);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-sm);
  letter-spacing: 1px;
}

/* 场景入口 2列 */
.card-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.parking-scene-card {
  cursor: pointer;
}

.parking-scene-card:hover {
  border-color: var(--color-accent);
}

/* Tab 切换 */
.parking-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 4px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.parking-tab {
  padding: 10px 22px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-family-zh);
  white-space: nowrap;
}

.parking-tab:hover {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.parking-tab.active {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-button);
}

/* 步骤指示器 */
.parking-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--spacing-xl);
}

.parking-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.parking-step .step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-caption);
  transition: all var(--transition-normal);
}

.parking-step.active .step-number {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-button);
}

.parking-step.done .step-number {
  background: #059669;
  border-color: #059669;
  color: #fff;
}

.parking-step .step-label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.parking-step.active .step-label {
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.parking-step.done .step-label {
  color: #059669;
}

.step-line {
  width: 60px;
  height: 2px;
  background: var(--color-border);
  margin: 0 16px;
  margin-bottom: 22px;
  transition: background var(--transition-normal);
}

.step-line.done {
  background: var(--color-accent);
}

/* 缴费面板 */
.parking-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 560px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
  min-height: 280px;
}

.panel-step {
  display: none;
}

.panel-step.active {
  display: block;
}

.panel-content h3 {
  font-size: var(--font-size-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* 车牌输入 */
.plate-input-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.plate-province {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-family: var(--font-family-zh);
  cursor: pointer;
  min-width: 80px;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.plate-province:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.plate-input {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-family: var(--font-family-zh);
  letter-spacing: 2px;
  text-align: center;
  width: 200px;
  transition: border-color var(--transition-fast);
}

.plate-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.plate-input::placeholder {
  color: var(--color-text-muted);
  letter-spacing: 1px;
  font-weight: var(--font-weight-normal);
}

/* 费用详情卡片 */
.fee-detail-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.fee-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.fee-row span {
  color: var(--color-text-muted);
}

.fee-row strong {
  color: var(--color-text-primary);
}

.fee-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 8px 0;
}

.fee-row.total {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.fee-row.total strong {
  font-size: 1.375rem;
  color: var(--color-accent);
}

/* 月卡套餐选择 */
.monthly-plans {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.plan-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-bg-elevated);
}

.plan-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-accent-dim);
}

.plan-card.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.plan-card input[type="radio"] {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}

.plan-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.plan-info strong {
  font-size: var(--font-size-caption);
  color: var(--color-text-primary);
}

.plan-info span {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

.plan-info small {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* 充电桩选择 */
.charge-station-select {
  margin-bottom: var(--spacing-lg);
}

.charge-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  font-size: var(--font-size-caption);
  color: var(--color-text-primary);
  font-family: var(--font-family-zh);
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
  transition: border-color var(--transition-fast);
}

.charge-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.charge-hint {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  text-align: center;
}

/* 通用表单输入 */
.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  font-size: var(--font-size-caption);
  color: var(--color-text-primary);
  font-family: var(--font-family-zh);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

/* 支付方式 */
.payment-methods {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin: var(--spacing-lg) 0;
  flex-wrap: wrap;
}

.payment-method-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-family-zh);
  font-size: var(--font-size-caption);
  color: var(--color-text-primary);
}

.payment-method-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.payment-method-btn .pay-icon {
  font-size: 1.5rem;
}

.payment-success {
  padding: var(--spacing-xl);
  animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes successPop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.success-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

/* 欠费列表 */
.arrears-list {
  margin-bottom: var(--spacing-lg);
}

.arrears-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

/* 面板导航 */
.panel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.step-indicator {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

/* ═══════════════════════════════════════════
   首页停车缴费预告区
   ═══════════════════════════════════════════ */

.parking-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(14, 165, 233, 0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.parking-teaser-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.parking-teaser-left .teaser-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-small);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.3px;
}

.parking-teaser-left h2 {
  font-family: var(--font-family-zh);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.parking-teaser-left h2 .accent {
  color: var(--color-accent);
}

.parking-teaser-left p {
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.teaser-features {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.teaser-features span {
  padding: 6px 14px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.parking-teaser-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup {
  width: 240px;
  height: 420px;
  background: var(--color-bg-elevated);
  border: 3px solid var(--color-border);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.phone-mockup::before {
  content: '';
  width: 80px;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: 2px;
  position: absolute;
  top: 12px;
}

.phone-mockup .mock-header {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: 12px;
}

.phone-mockup .mock-amount {
  font-family: var(--font-family-en);
  font-size: 2rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
}

.phone-mockup .mock-label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

.phone-mockup .mock-btn {
  width: 80%;
  padding: 14px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.phone-mockup .mock-qr {
  width: 80px;
  height: 80px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .parking-teaser {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--spacing-xl);
  }
  .parking-teaser-left {
    align-items: center;
  }
  .teaser-features {
    justify-content: center;
  }
  .phone-mockup {
    width: 200px;
    height: 350px;
  }
}

/* ═══════════════════════════════════════════
   停车缴费 - 页面内嵌操作栏（方案页等）
   ═══════════════════════════════════════════ */

.parking-action-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(14, 165, 233, 0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 720px;
  margin: var(--spacing-lg) auto 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.parking-action-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.parking-action-card svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.parking-action-card h4 {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.parking-action-card p {
  font-size: var(--font-size-small);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-normal);
  margin: 0;
}

.parking-action-card .btn {
  flex-shrink: 0;
  margin-left: auto;
}

@media (max-width: 768px) {
  .parking-action-card {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
  }
  .parking-action-card .btn {
    margin-left: 0;
  }
}

/* ═══════════════════════════════════════════
   产品卡片内体验链接
   ═══════════════════════════════════════════ */

.parking-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.parking-inline-link:hover {
  gap: 8px;
  color: var(--color-accent-hover);
}

.parking-inline-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.parking-inline-link:hover svg {
  transform: translateX(2px);
}

/* ═══════════════════════════════════════════
   FAQ 折叠面板
   ═══════════════════════════════════════════ */

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  background: var(--color-bg-elevated);
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  background: transparent;
  font-family: var(--font-family-zh);
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-question svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

.faq-question[aria-expanded="true"] svg {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-answer.open {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  font-size: var(--font-size-caption);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ═══════════════════════════════════════════
   停车缴费页 - 响应式补充
   ═══════════════════════════════════════════ */

@media (max-width: 768px) {
  .card-grid.cols-2 {
    grid-template-columns: 1fr;
  }
  .parking-tabs {
    max-width: 100%;
    border-radius: var(--radius-md);
    gap: 0;
  }
  .parking-tab {
    font-size: var(--font-size-small);
    padding: 8px 14px;
  }
  .parking-steps {
    gap: 0;
  }
  .step-line {
    width: 32px;
    margin: 0 8px;
  }
  .parking-panel {
    padding: var(--spacing-lg);
  }
  .plate-input {
    width: 140px;
  }
}

/* 大桌面 (≥1440px) */
@media (min-width: 1440px) {
  :root {
    --font-size-display: 3.75rem;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --container-max: 1280px;
  }
}