/* ============================================
   焦作亚仕信息技术服务有限公司 官网样式
   纯 HTML/CSS/JS - 无外部依赖
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
  /* 配色 */
  --color-primary: #1e5eff;
  --color-primary-dark: #0a3bbf;
  --color-accent: #00c6ff;
  --color-bg: #f7f9fc;
  --color-bg-alt: #ffffff;
  --color-text: #1a2b4a;
  --color-text-muted: #6b7a90;
  --color-border: #e3e8f0;
  --color-white: #ffffff;
  --color-success: #10b981;
  --color-danger: #ef4444;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #1e5eff 0%, #00c6ff 100%);
  --gradient-dark: linear-gradient(135deg, #0a3bbf 0%, #1e5eff 100%);

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);
  --shadow-primary: 0 8px 24px rgba(30, 94, 255, 0.25);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* 布局 */
  --container-width: 1200px;
  --header-height: 72px;

  /* 字体 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica,
    Arial, sans-serif;

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- 布局工具类 ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 网格 */
.grid {
  display: grid;
  gap: 24px;
}

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

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

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(30, 94, 255, 0.35);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-bg);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 17px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

/* 首页透明头部 */
body.home .site-header {
  background: rgba(255, 255, 255, 0.85);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-text);
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text span {
  color: var(--color-primary);
}

/* 主导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(30, 94, 255, 0.06);
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(30, 94, 255, 0.1);
}

.nav-cta {
  margin-left: 12px;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
  margin: 0 auto;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--gradient-dark);
  overflow: hidden;
  color: var(--color-white);
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 20% 30%,
      rgba(0, 198, 255, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(30, 94, 255, 0.4) 0%,
      transparent 50%
    );
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 0L60 30L30 60L0 30z' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/%3E%3C/svg%3E");
  opacity: 0.5;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 198, 255, 0.3);
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(90deg, #00c6ff 0%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat .num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.hero-stat .label {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 6px;
}

/* Hero 视觉 */
.hero-visual {
  position: relative;
  height: 480px;
}

.hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.hero-card-1 {
  top: 0;
  left: 0;
  width: 280px;
  animation: float 6s ease-in-out infinite;
}

.hero-card-2 {
  bottom: 60px;
  right: 0;
  width: 260px;
  animation: float 6s ease-in-out infinite 1.5s;
}

.hero-card-3 {
  bottom: 0;
  left: 80px;
  width: 200px;
  animation: float 6s ease-in-out infinite 3s;
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.hero-card h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

.hero-card p {
  font-size: 13px;
  opacity: 0.85;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ---------- 内页头部 ---------- */
.page-hero {
  background: var(--gradient-dark);
  color: var(--color-white);
  padding: 140px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 80% 20%,
      rgba(0, 198, 255, 0.25) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 20% 80%,
      rgba(30, 94, 255, 0.35) 0%,
      transparent 50%
    );
}

.page-hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--color-white);
  opacity: 0.85;
}

.breadcrumb a:hover {
  opacity: 1;
}

.breadcrumb .sep {
  opacity: 0.6;
}

.page-title {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 14px;
}

.page-desc {
  font-size: 17px;
  opacity: 0.9;
  max-width: 680px;
  margin: 0 auto;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(30, 94, 255, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon.gradient {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- 优势卡片 ---------- */
.advantage-card {
  text-align: center;
  padding: 40px 24px;
}

.advantage-card .card-icon {
  margin: 0 auto 20px;
}

/* ---------- 服务卡片 ---------- */
.service-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card .tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(30, 94, 255, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
}

.service-card .card-link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 15px;
}

.service-card .card-link svg {
  transition: var(--transition);
}

.service-card:hover .card-link svg {
  transform: translateX(4px);
}

/* ---------- 数字统计 ---------- */
.stats {
  background: var(--gradient-dark);
  color: var(--color-white);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle at 50% 50%,
    rgba(0, 198, 255, 0.2) 0%,
    transparent 60%
  );
}

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

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(90deg, #00c6ff 0%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-num .suffix {
  -webkit-text-fill-color: initial;
  color: var(--color-accent);
  font-size: 32px;
}

.stat-label {
  font-size: 15px;
  opacity: 0.85;
  margin-top: 12px;
}

/* ---------- 时间轴（关于页） ---------- */
.timeline {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-primary),
    transparent
  );
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-primary);
  z-index: 1;
}

.timeline-item:nth-child(odd)::before {
  right: -8px;
}

.timeline-item:nth-child(even)::before {
  left: -8px;
}

.timeline-year {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 4px 12px;
  background: rgba(30, 94, 255, 0.1);
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.timeline-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ---------- 服务 Tab ---------- */
.service-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.service-tab {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.service-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.service-tab.active {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.service-panel {
  display: none;
  animation: fadeIn 0.5s ease;
}

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

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.service-detail-visual {
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  height: 320px;
  overflow: hidden;
}

.service-detail-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-detail h3 {
  font-size: 28px;
  margin-bottom: 16px;
}

.service-detail .lead {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.service-features {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
}

.service-features li::before {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231e5eff'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 服务流程 ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 32px;
  left: -50%;
  width: 100%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.process-step:first-child::before {
  display: none;
}

.process-step h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 0 8px;
}

/* ---------- 案例筛选 + 网格 ---------- */
.case-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.case-filter {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text);
  transition: var(--transition);
}

.case-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.case-filter.active {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

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

.case-img {
  height: 220px;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-card:hover .case-img img {
  transform: scale(1.05);
}

.case-img .case-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  z-index: 1;
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.case-body p {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 14px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.case-tags span {
  padding: 3px 10px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  font-size: 12px;
}

/* ---------- 团队卡片 ---------- */
.team-card {
  text-align: center;
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.team-role {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(30, 94, 255, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

/* ---------- 企业文化 ---------- */
.culture-card {
  text-align: center;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.culture-card::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.08;
}

.culture-card .culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.culture-card p {
  color: var(--color-text-muted);
}

/* ---------- 联系页 ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list {
  display: grid;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.contact-info-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-info-item .icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(30, 94, 255, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.contact-info-item .sub {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 4px;
}

/* 表单 */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.contact-form .form-desc {
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.form-label .req {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 94, 255, 0.12);
}

.form-control.error {
  border-color: var(--color-danger);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: block;
  font-size: 13px;
  color: var(--color-danger);
  margin-top: 6px;
  min-height: 18px;
}

.form-success {
  display: none;
  padding: 14px 18px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
}

.form-success.show {
  display: block;
}

/* 地图占位 */
.map-placeholder {
  margin-top: 24px;
  height: 260px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(30, 94, 255, 0.55);
  z-index: 1;
}

.cta-banner .container {
  position: relative;
  z-index: 2;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 17px;
  opacity: 0.95;
  margin-bottom: 32px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-banner .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-banner .btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--color-white);
}

.cta-banner .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 为什么选择我们 ---------- */
.why-us {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.why-us-content h2 {
  font-size: 36px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.why-us-content .lead {
  font-size: 17px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.why-list {
  display: grid;
  gap: 20px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-item .icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(30, 94, 255, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-item h4 {
  font-size: 17px;
  margin-bottom: 4px;
}

.why-item p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.why-visual {
  position: relative;
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--color-white);
}

.why-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.why-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 94, 255, 0.75) 0%, rgba(0, 198, 255, 0.55) 100%);
  z-index: 1;
}

.why-visual-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.why-visual-overlay .big-num {
  font-size: 100px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, #e0f7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.why-visual-overlay .label {
  font-size: 18px;
  margin-top: 8px;
  opacity: 0.95;
}

.why-visual-overlay p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.92;
  max-width: 360px;
}

/* ---------- 资质徽章 ---------- */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.badge-card {
  padding: 28px 16px;
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.badge-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.badge-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(30, 94, 255, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.badge-card p {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- 行业方案 ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.industry-card:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: translateY(-4px);
  box-shadow: var(--shadow-primary);
}

.industry-card:hover h4,
.industry-card:hover p {
  color: var(--color-white);
}

.industry-card .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  background: rgba(30, 94, 255, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.industry-card:hover .icon {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.industry-card h4 {
  font-size: 17px;
  margin-bottom: 8px;
  transition: var(--transition);
}

.industry-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: var(--transition);
}

/* ---------- 二维码 ---------- */
.qr-section {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.qr-card {
  flex: 1;
  min-width: 200px;
  text-align: center;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.qr-img {
  width: 140px;
  height: 140px;
  margin: 0 auto 14px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.qr-card p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0f1a2e;
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 18px;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-col a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

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

/* ---------- 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal.delay-1 {
  transition-delay: 0.1s;
}
.reveal.delay-2 {
  transition-delay: 0.2s;
}
.reveal.delay-3 {
  transition-delay: 0.3s;
}
.reveal.delay-4 {
  transition-delay: 0.4s;
}

/* ---------- 通用工具 ---------- */
.text-center {
  text-align: center;
}

.mt-32 {
  margin-top: 32px;
}

.mt-48 {
  margin-top: 48px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    height: 360px;
  }

  .hero-title {
    font-size: 44px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why-visual {
    height: 320px;
  }

  .why-visual-overlay {
    padding: 24px;
  }

  .process {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 20px;
  }

  .process-step::before {
    display: none;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  .service-detail {
    grid-template-columns: 1fr;
    padding: 32px;
  }

  .service-detail-visual {
    height: 220px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 28px;
  }

  /* 移动端导航 */
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: var(--transition);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-link {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }

  .nav-cta {
    margin: 12px 0 0;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta .btn {
    width: 100%;
  }

  /* Hero */
  .hero {
    padding: 100px 0 56px;
    min-height: auto;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat .num {
    font-size: 26px;
  }

  .hero-visual {
    height: 280px;
  }

  .hero-card {
    width: 220px !important;
    padding: 16px;
  }

  .hero-card-3 {
    display: none;
  }

  /* 页面 hero */
  .page-title {
    font-size: 32px;
  }

  .page-desc {
    font-size: 15px;
  }

  /* 网格 */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  /* 服务 Tab */
  .service-tabs {
    gap: 6px;
  }

  .service-tab {
    padding: 8px 16px;
    font-size: 14px;
  }

  /* 时间轴 */
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding: 12px 0 12px 48px;
    text-align: left !important;
  }

  .timeline-item:nth-child(odd) {
    left: 0;
    text-align: left;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::before {
    left: 12px !important;
    right: auto !important;
  }

  /* 联系表单 */
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px;
  }

  /* 数字统计 */
  .stat-num {
    font-size: 36px;
  }

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

  /* CTA */
  .cta-banner h2 {
    font-size: 26px;
  }

  /* 页脚 */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* why visual */
  .why-visual-overlay .big-num {
    font-size: 72px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    justify-content: space-between;
    gap: 16px;
  }

  .hero-stat {
    flex: 1;
    min-width: 0;
  }

  .hero-stat .num {
    font-size: 22px;
  }

  .card {
    padding: 24px;
  }

  .section-title {
    font-size: 24px;
  }

  .badges-grid,
  .industry-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ 联系页美化样式 ============ */

/* Hero 区域美化 */
.contact-hero {
  background: var(--gradient-dark);
}

.contact-hero .hero-bg-img {
  opacity: 0.3;
}

.contact-hero .hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
}

.contact-hero .hero-blob-1 {
  width: 300px;
  height: 300px;
  background: rgba(30, 94, 255, 0.4);
  top: -80px;
  right: -60px;
  animation: floatBlob 8s ease-in-out infinite;
}

.contact-hero .hero-blob-2 {
  width: 200px;
  height: 200px;
  background: rgba(0, 198, 255, 0.35);
  bottom: -40px;
  left: -40px;
  animation: floatBlob 10s ease-in-out infinite reverse;
}

.contact-hero .hero-blob-3 {
  width: 150px;
  height: 150px;
  background: rgba(102, 126, 234, 0.3);
  top: 50%;
  left: 50%;
  animation: floatBlob 12s ease-in-out infinite;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.contact-hero .container {
  text-align: center;
}

.contact-hero .highlight-text {
  background: linear-gradient(90deg, #00c6ff, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-hero .hero-quick-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.contact-hero .quick-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 14px;
  transition: var(--transition);
}

.contact-hero .quick-item:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.contact-hero .quick-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.3);
}

/* 联系信息区美化 */
.contact-info {
  position: relative;
}

.contact-section-header {
  margin-bottom: 28px;
}

.contact-section-header h3 {
  font-size: 22px;
  margin-bottom: 6px;
}

.contact-section-header p {
  color: var(--color-text-muted);
  font-size: 14px;
}

.contact-info-list {
  position: relative;
  padding-left: 0;
}

.contact-info-list::before {
  content: "";
  position: absolute;
  left: 43px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(0, 198, 255, 0.3) 100%);
}

.contact-info-item {
  position: relative;
  padding: 24px 24px 24px 68px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.contact-info-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(30, 94, 255, 0.12);
  transform: translateX(4px);
}

.contact-info-item .item-num {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(30, 94, 255, 0.3);
}

.contact-info-item .icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(30, 94, 255, 0.1), rgba(0, 198, 255, 0.15));
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.contact-info-item:hover .icon {
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  transform: rotate(-5deg) scale(1.05);
}

.contact-info-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.contact-info-item .sub {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 4px;
}

/* 社交图标 */
.contact-social {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.contact-social .social-title {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(30, 94, 255, 0.3);
}

/* 表单美化 */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 4px 40px rgba(30, 94, 255, 0.08);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.form-accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #00c6ff, #667eea);
}

.form-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.form-header h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.form-header .form-desc {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 0;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 94, 255, 0.1);
  background: rgba(30, 94, 255, 0.02);
}

.form-control::placeholder {
  color: #b8c0cc;
}

.form-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 94, 255, 0.35);
}

.form-submit svg {
  transition: transform 0.3s ease;
}

.form-submit:hover svg {
  transform: translateX(4px);
}

.form-privacy {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* 二维码区美化 */
.qr-section-wrap {
  background: linear-gradient(180deg, var(--color-bg) 0%, #f0f4fa 100%);
}

.qr-section {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.qr-card {
  flex: 1;
  min-width: 260px;
  max-width: 400px;
  text-align: center;
  padding: 32px 28px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.qr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30, 94, 255, 0.15);
  border-color: transparent;
}

.qr-card .qr-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(30, 94, 255, 0.08) 50%, transparent 60%);
  transform: rotate(0deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.qr-card:hover .qr-glow {
  transform: rotate(180deg);
}

.qr-card-wechat {
  border-color: rgba(30, 94, 255, 0.2);
}

.qr-card-wechat .qr-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.qr-img {
  width: 150px;
  height: 150px;
  margin: 0 auto 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.qr-card:hover .qr-img {
  transform: scale(1.05);
}

.qr-label h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

.qr-label p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 地图区美化 */
.map-container {
  margin-top: 24px;
}

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

.map-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.map-info-card {
  position: absolute;
  bottom: 32px;
  left: 32px;
  right: auto;
  max-width: 320px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 16px;
}

.map-info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-info-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.map-info-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.map-direction-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--color-primary), #00c6ff);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s ease;
  margin-left: auto;
  flex-shrink: 0;
}

.map-direction-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(30, 94, 255, 0.3);
}

.map-pin-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(30, 94, 255, 0.3);
  animation: mapPulse 2s ease-in-out infinite;
}

@keyframes mapPulse {
  0%, 100% { box-shadow: 0 0 0 8px rgba(30, 94, 255, 0.3); }
  50% { box-shadow: 0 0 0 16px rgba(30, 94, 255, 0.1); }
}

/* 响应式优化 */
@media (max-width: 768px) {
  .contact-hero .hero-quick-info {
    gap: 12px;
  }

  .contact-hero .quick-item {
    padding: 8px 14px;
    font-size: 12px;
  }

  .contact-hero .quick-divider {
    display: none;
  }

  .contact-info-list::before {
    left: 37px;
  }

  .contact-info-item {
    padding: 20px 20px 20px 56px;
  }

  .contact-info-item .item-num {
    left: 12px;
  }

  .map-info-card {
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: none;
    flex-wrap: wrap;
  }

  .map-direction-btn {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .contact-hero .hero-quick-info {
    flex-direction: column;
    gap: 10px;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .qr-card {
    padding: 24px 20px;
  }
}

/* ============ 首页美化样式 ============ */

/* Hero 区域增强 */
.home .hero {
  position: relative;
}

.home .hero-decor {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.home .hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.home .hero-blob-1 {
  width: 350px;
  height: 350px;
  background: rgba(30, 94, 255, 0.35);
  top: -100px;
  right: -80px;
  animation: floatBlob 8s ease-in-out infinite;
}

.home .hero-blob-2 {
  width: 250px;
  height: 250px;
  background: rgba(0, 198, 255, 0.3);
  bottom: -60px;
  left: -60px;
  animation: floatBlob 10s ease-in-out infinite reverse;
}

.home .hero-blob-3 {
  width: 180px;
  height: 180px;
  background: rgba(102, 126, 234, 0.25);
  top: 40%;
  right: 30%;
  animation: floatBlob 12s ease-in-out infinite;
}

.home .hero-tech-tags {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.home .hero-tech-tags span {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.home .hero-tech-tags span:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.home .hero-visual-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.3) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.home .hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
  transition: all 0.4s ease;
}

.home .hero-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.home .hero-card-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.home .hero-card-4 {
  top: 50%;
  right: -20px;
  width: 220px;
  animation: float 6s ease-in-out infinite 2s;
}

/* 编号徽章 */
.home .card-num-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(30, 94, 255, 0.3);
  transition: var(--transition);
}

.home .advantage-card {
  position: relative;
  overflow: hidden;
}

.home .advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(30, 94, 255, 0.15);
}

.home .advantage-card:hover .card-num-badge {
  transform: scale(1.1) rotate(8deg);
  box-shadow: 0 6px 20px rgba(30, 94, 255, 0.4);
}

.home .advantage-card:hover .card-icon {
  transform: translateY(-4px) scale(1.05);
}

.home .card-icon {
  transition: all 0.3s ease;
}

/* 服务卡片增强 */
.home .service-card {
  position: relative;
  overflow: hidden;
}

.home .service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(30, 94, 255, 0.15);
  border-color: rgba(30, 94, 255, 0.3);
}

.home .service-card:hover .card-num-badge {
  transform: scale(1.1) rotate(8deg);
}

.home .service-card:hover .card-icon {
  background: var(--gradient-primary);
  color: white;
  transform: rotate(-5deg) scale(1.05);
}

.home .service-card .card-icon {
  transition: all 0.3s ease;
}

/* Why-Us 区域增强 */
.home .why-item {
  position: relative;
  padding: 16px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.home .why-item:hover {
  background: rgba(30, 94, 255, 0.04);
  transform: translateX(4px);
}

.home .why-item .icon {
  transition: all 0.3s ease;
}

.home .why-item:hover .icon {
  background: var(--gradient-primary);
  color: white;
  transform: rotate(-5deg) scale(1.05);
}

.home .why-visual {
  position: relative;
}

.home .why-visual-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
}

.home .why-floating-card {
  position: absolute;
  bottom: 32px;
  right: -20px;
  z-index: 3;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  animation: floatCard 5s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.home .why-floating-card .wfc-num {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.home .why-floating-card .wfc-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* 数据统计增强 */
.home .stats-grid {
  position: relative;
  z-index: 2;
}

.home .stat-card {
  position: relative;
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  overflow: hidden;
}

.home .stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s ease;
}

.home .stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-6px);
}

.home .stat-card:hover::before {
  transform: scaleX(1);
}

.home .stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.home .stat-card:hover .stat-icon {
  background: var(--gradient-primary);
  color: white;
  transform: rotate(-5deg) scale(1.08);
}

.home .stat-bar {
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transform: scaleX(0.5);
  opacity: 0.5;
  transition: var(--transition);
}

.home .stat-card:hover .stat-bar {
  transform: scaleX(1);
  opacity: 1;
}

.home .stats-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.home .stats-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.home .stats-blob-1 {
  width: 300px;
  height: 300px;
  background: rgba(0, 198, 255, 0.2);
  top: -100px;
  right: -50px;
}

.home .stats-blob-2 {
  width: 200px;
  height: 200px;
  background: rgba(30, 94, 255, 0.25);
  bottom: -50px;
  left: -30px;
}

/* CTA 横幅增强 */
.home .cta-decor {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.home .cta-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.home .cta-blob-1 {
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.15);
  top: -80px;
  left: 10%;
  animation: floatBlob 12s ease-in-out infinite;
}

.home .cta-blob-2 {
  width: 180px;
  height: 180px;
  background: rgba(0, 198, 255, 0.3);
  bottom: -60px;
  right: 15%;
  animation: floatBlob 10s ease-in-out infinite reverse;
}

.home .cta-banner .container {
  z-index: 2;
}

.home .cta-pills {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.home .cta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.home .cta-pill:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.home .cta-banner h2 {
  font-size: 42px;
}

.home .cta-banner p {
  font-size: 18px;
}

/* 响应式 - 首页美化 */
@media (max-width: 1024px) {
  .home .hero-visual-glow {
    width: 300px;
    height: 300px;
  }

  .home .hero-card-4 {
    display: none;
  }

  .home .why-floating-card {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 768px) {
  .home .hero-decor {
    display: none;
  }

  .home .hero-tech-tags {
    gap: 8px;
    margin-top: 24px;
  }

  .home .hero-tech-tags span {
    padding: 6px 14px;
    font-size: 12px;
  }

  .home .why-floating-card {
    right: 12px;
    bottom: 12px;
    padding: 14px 20px;
  }

  .home .why-floating-card .wfc-num {
    font-size: 28px;
  }

  .home .cta-pills {
    gap: 8px;
    margin-bottom: 24px;
  }

  .home .cta-pill {
    padding: 6px 14px;
    font-size: 12px;
  }

  .home .cta-banner h2 {
    font-size: 28px;
  }

  .home .cta-banner p {
    font-size: 15px;
  }

  .home .stat-card {
    padding: 24px 16px;
  }
}

@media (max-width: 480px) {
  .home .hero-tech-tags {
    display: none;
  }

  .home .why-floating-card {
    position: static;
    margin-top: 16px;
    animation: none;
  }
}