/* ===== 基础变量 ===== */
:root {
  --primary: #E6F2FF;
  --secondary: #1677FF;
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --white: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 2px 8px rgba(22, 119, 255, 0.1);
}

/* ===== 图标样式 ===== */
.icon-box {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-box.large {
  width: 60px;
  height: 60px;
}

.icon-box.circle {
  border-radius: 50%;
}

.platform-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* 抖音图标 - 音符形状 */
.icon-douyin {
  width: 24px;
  height: 24px;
  position: relative;
}

.icon-douyin::before {
  content: '';
  position: absolute;
  width: 10px;
  height: 18px;
  background: linear-gradient(180deg, #000 0%, #000 40%, #ff0000 40%, #ff0000 60%, #000 60%, #000 100%);
  border-radius: 6px 6px 0 0;
  left: 0;
  top: 3px;
}

.icon-douyin::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 12px;
  background: linear-gradient(180deg, #25f4ee 0%, #25f4ee 50%, #000 50%, #000 100%);
  border-radius: 50%;
  right: 2px;
  top: 6px;
}

/* 百度图标 - 爪印形状 */
.icon-baidu {
  width: 24px;
  height: 24px;
  position: relative;
}

.icon-baidu::before {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #2319dc;
  border-radius: 50%;
  top: 0;
  left: 9px;
}

.icon-baidu::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 16px;
  top: 8px;
  left: 0;
  background: 
    radial-gradient(circle at 6px 0, #2319dc 4px, transparent 4px),
    radial-gradient(circle at 12px 0, #2319dc 4px, transparent 4px),
    radial-gradient(circle at 18px 0, #2319dc 4px, transparent 4px),
    radial-gradient(circle at 3px 8px, #2319dc 4px, transparent 4px),
    radial-gradient(circle at 21px 8px, #2319dc 4px, transparent 4px);
}

/* 腾讯图标 - 企鹅形状 */
.icon-tencent {
  width: 22px;
  height: 24px;
  position: relative;
}

.icon-tencent::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 14px;
  background: #14b9d5;
  border-radius: 9px 9px 0 0;
  top: 2px;
  left: 2px;
}

.icon-tencent::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 12px;
  background: #000;
  border-radius: 0 0 11px 11px;
  bottom: 0;
  left: 0;
}

/* Facebook图标 - 字母F */
.icon-facebook {
  width: 20px;
  height: 24px;
  position: relative;
  background: #1877f2;
  border-radius: 4px;
}

.icon-facebook::before {
  content: '';
  position: absolute;
  width: 10px;
  height: 20px;
  background: #fff;
  left: 3px;
  top: 2px;
  border-radius: 1px;
}

.icon-facebook::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #1877f2;
  left: 3px;
  top: 2px;
}

.icon-box .icon-facebook::before {
  height: 18px;
  top: 3px;
}

.icon-box .icon-facebook::after {
  top: 3px;
}

/* 旅游图标 - 建筑 */
.icon-travel::before {
  content: '';
  width: 16px;
  height: 20px;
  border: 2px solid var(--secondary);
  border-top: 8px solid var(--secondary);
  position: absolute;
  border-radius: 2px 2px 0 0;
}

/* 医美图标 - 心形 */
.icon-medical::before {
  content: '';
  width: 18px;
  height: 16px;
  background: var(--secondary);
  position: absolute;
  transform: rotate(-45deg);
  border-radius: 50% 50% 0 50%;
}

.icon-medical::after {
  content: '';
  width: 18px;
  height: 16px;
  background: var(--secondary);
  position: absolute;
  transform: rotate(45deg);
  border-radius: 50% 50% 0 50%;
  left: 9px;
}

/* 教育图标 - 书本 */
.icon-education::before {
  content: '';
  width: 20px;
  height: 16px;
  border: 2px solid var(--secondary);
  border-radius: 2px;
  position: absolute;
}

.icon-education::after {
  content: '';
  width: 2px;
  height: 16px;
  background: var(--secondary);
  position: absolute;
}

/* 本地服务图标 - 定位 */
.icon-local::before {
  content: '';
  width: 16px;
  height: 20px;
  border: 2px solid var(--secondary);
  border-radius: 50% 50% 50% 50%;
  position: absolute;
  border-bottom-left-radius: 50%;
  border-bottom-right-radius: 50%;
}

.icon-local::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--secondary);
  border-radius: 50%;
  position: absolute;
  top: 4px;
}

/* 一对一图标 - 用户 */
.icon-team::before {
  content: '';
  width: 12px;
  height: 12px;
  border: 2px solid var(--secondary);
  border-radius: 50%;
  position: absolute;
  top: 4px;
}

.icon-team::after {
  content: '';
  width: 18px;
  height: 10px;
  border: 2px solid var(--secondary);
  border-radius: 10px 10px 0 0;
  position: absolute;
  top: 18px;
  border-bottom: none;
}

/* 数据图标 - 图表 */
.icon-data::before {
  content: '';
  width: 4px;
  height: 12px;
  background: var(--secondary);
  position: absolute;
  bottom: 8px;
  left: 8px;
}

.icon-data::after {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--secondary);
  position: absolute;
  bottom: 8px;
  left: 14px;
}

/* 透明收费图标 - 钱 */
.icon-money::before {
  content: '¥';
  font-size: 20px;
  font-weight: bold;
  color: var(--secondary);
}

/* 电话图标 */
.icon-phone::before {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--secondary);
  border-radius: 50%;
  position: absolute;
}

/* 邮件图标 */
.icon-email::before {
  content: '';
  width: 18px;
  height: 12px;
  border: 2px solid var(--secondary);
  border-radius: 2px;
  position: absolute;
}

/* 地址图标 */
.icon-address::before {
  content: '';
  width: 12px;
  height: 16px;
  border: 2px solid var(--secondary);
  border-radius: 50% 50% 50% 50%;
  position: absolute;
}

/* 时间图标 */
.icon-time::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--secondary);
  border-radius: 50%;
  position: absolute;
}

/* 荣誉图标 - 星形 */
.icon-honor::before {
  content: '★';
  font-size: 24px;
  color: var(--secondary);
}

/* 资质图标 - 文件 */
.icon-certificate::before {
  content: '';
  width: 16px;
  height: 20px;
  border: 2px solid var(--secondary);
  border-radius: 2px;
  position: absolute;
}

/* 诚信图标 - 勾 */
.icon-check::before {
  content: '';
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--secondary);
  border-bottom: 3px solid var(--secondary);
  transform: rotate(-45deg);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 头部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: bold;
  color: var(--secondary);
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav a {
  color: var(--text-dark);
  font-size: 15px;
  transition: color 0.3s;
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--secondary);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.btn-phone {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  background: var(--secondary);
  color: var(--white);
  border-radius: 4px;
  font-size: 14px;
  transition: background 0.3s;
}

.btn-phone::before {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--white);
  border-radius: 50%;
}

.btn-phone:hover {
  background: #0d5fcc;
}

.btn-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.btn-menu span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  transition: all 0.3s;
}

/* ===== 移动端导航 ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--white);
  padding: 20px;
  box-shadow: var(--shadow);
}

.mobile-nav.active {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: var(--text-dark);
  font-size: 16px;
  border-bottom: 1px solid var(--border);
}

.mobile-nav a.active {
  color: var(--secondary);
}

/* ===== Banner ===== */
.banner {
  margin-top: 70px;
  height: 500px;
  position: relative;
  overflow: hidden;
}

.banner-slides {
  height: 100%;
  position: relative;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s;
  background: linear-gradient(135deg, var(--primary) 0%, #d4e8ff 100%);
}

.banner-slide.active {
  opacity: 1;
}

.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  max-width: 800px;
}

.banner-content h1 {
  font-size: 42px;
  font-weight: bold;
  color: var(--text-dark);
  margin-bottom: 15px;
  line-height: 1.3;
}

.banner-content p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 30px;
}

.banner-btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--secondary);
  color: white;
  border-radius: 4px;
  font-size: 16px;
  transition: background 0.3s;
}

.banner-btn:hover {
  background: #0d5fcc;
}

.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s;
}

.banner-dot.active {
  background: var(--secondary);
  width: 30px;
  border-radius: 5px;
}

/* ===== 区块通用 ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 32px;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-light);
}

.bg-light {
  background: var(--primary);
}

/* ===== 关于我们-首页 ===== */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--white);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow);
}

.feature-card .icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  position: relative;
  margin: 0 auto 12px;
}

.feature-card .icon::before {
  content: '';
  width: 20px;
  height: 20px;
  background: var(--secondary);
  border-radius: 50%;
}

.feature-card h4 {
  font-size: 14px;
  color: var(--text-dark);
}

/* ===== 服务列表 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 30px 20px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(22, 119, 255, 0.15);
}

.service-card .icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  position: relative;
  margin: 0 auto 20px;
}

.service-card .icon::before {
  content: '';
  width: 24px;
  height: 24px;
  background: var(--secondary);
  border-radius: 50%;
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.service-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.service-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 15px;
}

.service-card .tag {
  padding: 4px 10px;
  background: var(--primary);
  color: var(--secondary);
  border-radius: 4px;
  font-size: 12px;
}

/* ===== 案例展示 ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.case-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.case-card:hover {
  transform: translateY(-5px);
}

.case-card .img {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), #d4e8ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  position: relative;
}

.case-card .img::before {
  content: '';
  width: 40px;
  height: 40px;
  background: var(--secondary);
  border-radius: 8px;
}

.case-card .info {
  padding: 20px;
}

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

.case-card p {
  font-size: 14px;
  color: var(--text-light);
}

/* ===== 优势 ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.advantage-item {
  text-align: center;
  padding: 30px 20px;
}

.advantage-item .icon {
  width: 70px;
  height: 70px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 0;
  position: relative;
  box-shadow: var(--shadow);
}

.advantage-item .icon::before {
  content: '';
  width: 28px;
  height: 28px;
  background: var(--secondary);
  border-radius: 50%;
}

.advantage-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

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

/* ===== 咨询表单 ===== */
.consult-section {
  background: var(--primary);
}

.consult-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.consult-info h3 {
  font-size: 28px;
  margin-bottom: 15px;
}

.consult-info p {
  font-size: 16px;
  color: var(--text-light);
}

.consult-form {
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 15px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-submit:hover {
  background: #0d5fcc;
}

/* ===== 页面通用内容 ===== */
.page-content {
  padding-top: 70px;
}

.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #d4e8ff 100%);
  padding: 60px 0;
  text-align: center;
}

.page-banner h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.page-banner p {
  font-size: 16px;
  color: var(--text-light);
}

.content-section {
  padding: 60px 0;
}

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

/* ===== 关于我们页面 ===== */
.about-full {
  max-width: 900px;
  margin: 0 auto;
}

.about-full h3 {
  font-size: 24px;
  margin: 40px 0 20px;
  color: var(--text-dark);
}

.about-full h3:first-child {
  margin-top: 0;
}

.about-full p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 15px;
}

.about-full ul {
  margin: 20px 0;
  padding-left: 20px;
}

.about-full li {
  font-size: 16px;
  color: var(--text-light);
  line-height: 2;
  list-style: disc;
}

/* ===== 服务详情 ===== */
.services-detail {
  display: grid;
  gap: 40px;
}

.service-detail-item {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.service-detail-item h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--secondary);
}

.service-detail-item p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 15px;
}

.service-detail-item .service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.service-detail-item .service-tag {
  padding: 6px 14px;
  background: var(--primary);
  color: var(--secondary);
  border-radius: 4px;
  font-size: 13px;
}

/* ===== 案例详情 ===== */
.cases-detail {
  display: grid;
  gap: 40px;
}

.case-detail-item {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-detail-item h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.case-detail-item p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== 资质列表 ===== */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.honor-item {
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.honor-item .icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  position: relative;
  flex-shrink: 0;
}

.honor-item .icon::before {
  content: '';
  width: 24px;
  height: 24px;
  background: var(--secondary);
  border-radius: 50%;
}

.honor-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

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

/* ===== 联系方式 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  padding: 40px;
  background: var(--primary);
  border-radius: 8px;
}

.contact-info h3 {
  font-size: 22px;
  margin-bottom: 25px;
}

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

.contact-info li {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.contact-info .icon {
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  position: relative;
  flex-shrink: 0;
  border: 2px solid var(--primary);
}

.contact-info .icon::before {
  content: '';
  width: 16px;
  height: 16px;
  background: var(--secondary);
  border-radius: 50%;
}

.contact-info span {
  font-size: 15px;
  color: var(--text-dark);
}

.contact-info .label {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 2px;
}

.contact-map {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.contact-map iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* ===== 底部 ===== */
.footer {
  background: #1a1a1a;
  color: #999;
  padding: 50px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333;
}

.footer-about h4 {
  color: white;
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-about p {
  font-size: 14px;
  line-height: 1.8;
}

.footer-contact h4 {
  color: white;
  font-size: 16px;
  margin-bottom: 15px;
}

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

.footer-contact li {
  font-size: 14px;
}

.footer-links h4 {
  color: white;
  font-size: 16px;
  margin-bottom: 15px;
}

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

.footer-links a {
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--secondary);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
}

.footer-bottom a {
  color: #999;
  margin: 0 10px;
}

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

/* ===== 悬浮客服 ===== */
.floating-service {
  position: fixed;
  right: 20px;
  bottom: 100px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating-service a {
  width: 50px;
  height: 50px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0;
  position: relative;
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.3);
  transition: transform 0.3s, background 0.3s;
}

.floating-service a::before {
  content: '';
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
}

.floating-service a:hover {
  transform: scale(1.1);
  background: #0d5fcc;
}

.floating-service .service-phone {
  background: #52c41a;
}

.floating-service .service-phone:hover {
  background: #389e0d;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .services-grid,
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  
  .btn-menu {
    display: flex;
  }
  
  .banner {
    height: 400px;
  }
  
  .banner-content h1 {
    font-size: 28px;
  }
  
  .banner-content p {
    font-size: 16px;
  }
  
  .section {
    padding: 50px 0;
  }
  
  .section-header h2 {
    font-size: 26px;
  }
  
  .about-preview {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .services-grid,
  .advantages-grid,
  .cases-grid,
  .honors-grid {
    grid-template-columns: 1fr;
  }
  
  .consult-wrapper,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .page-banner {
    padding: 40px 0;
  }
  
  .page-banner h1 {
    font-size: 28px;
  }
  
  .service-detail-item,
  .case-detail-item,
  .contact-info {
    padding: 25px;
  }
  
  .honor-item {
    flex-direction: column;
    text-align: center;
  }
  
  .honor-item .icon {
    margin: 0 auto;
  }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 15px 0;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--secondary);
}

.breadcrumb span {
  margin: 0 8px;
}

/* ===== 页面标题 ===== */
.page-title {
  font-size: 28px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-dark);
}