/* ABOUTME: Main stylesheet for navigation header module */
/* ABOUTME: Provides layout, typography, and theme styles */

/* ==================== CSS 变量定义 ==================== */
:root {
  /* 颜色 */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-500: #6b7280;
  --color-gray-700: #374151;
  --color-gray-900: #111827;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* 导航栏 */
  --header-height: 100px;
  --header-bg: var(--color-white);
  --header-border: var(--color-gray-200);
  
  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 1.25rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* 间距 */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* z-index */
  --z-header: 100;
  --z-dropdown: 110;
  --z-mobile-menu: 200;
  --z-overlay: 190;
}

/* ==================== Reset & Base ==================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

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

/* ==================== Header 导航栏 ==================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-header);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 90%;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

/* 桌面端导航菜单 */
.nav-menu {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: var(--spacing-8);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: var(--spacing-2) var(--spacing-12);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 48px;
  text-decoration-thickness: 3px;
}

/* 下拉菜单 */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 160px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2) 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
}

/* 语言选择器 */
.language-selector {
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.language-btn:hover {
  border-color: var(--color-gray-300);
  background-color: var(--color-gray-50);
}

.chevron-icon {
  transition: transform var(--transition-fast);
}

.language-selector:hover .chevron-icon {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-2);
  min-width: 140px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.language-selector:hover .language-dropdown,
.language-selector:focus-within .language-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.language-option:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
}

.flag-icon {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* 汉堡菜单按钮 */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
  background-color: var(--color-gray-100);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ==================== 移动端全屏菜单 ==================== */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  z-index: var(--z-overlay);
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-mobile-menu);
  overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu {
  transform: translateX(0);
}

.mobile-close-btn {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-gray-500);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-close-btn:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.mobile-nav {
  padding: var(--spacing-16) var(--spacing-6) var(--spacing-6);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

.mobile-nav-link.active {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

/* 移动端子菜单 */
.mobile-submenu {
  padding-left: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.has-submenu.open .mobile-submenu {
  max-height: 200px;
}

.mobile-submenu-link {
  display: block;
  padding: var(--spacing-3) 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.mobile-submenu-link:hover {
  color: var(--color-primary);
}

/* 移动端语言选择 */
.mobile-language-selector {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-8);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-gray-200);
}

.mobile-language-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-language-option:hover {
  border-color: var(--color-primary);
  background-color: var(--color-gray-50);
}

.mobile-language-option.active {
  border-color: var(--color-primary);
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

/* ==================== Banner 轮播图 ==================== */
.banner {
  position: relative;
  width: 100%;
  height: 850px;
  overflow: hidden;
  background-color: var(--color-gray-900);
}

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

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

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease-in-out, visibility 0.6s;
}

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

/* 轮播背景图片 */
.banner-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 轮播遮罩层 */
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    rgba(0, 0, 0, 0.3) 100%
  );
}

.banner-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 var(--spacing-6);
  text-align: center;
  color: var(--color-white);
}

.banner-title {
  font-size: 5rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-4);
  line-height: 1.2;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.banner-desc {
  font-size: var(--font-size-xl);
  margin: 0 0 var(--spacing-8);
  opacity: 0.9;
}

.banner-btn {
  display: none;
  align-items: center;
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.15);
  border: 2px solid var(--color-white);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
  transition: all var(--transition-base);
}

.banner-btn:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: scale(1.05);
}

/* 左右切换按钮 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-white);
  backdrop-filter: blur(4px);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
}

.banner-arrow:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.banner-arrow svg {
  width: 24px;
  height: 24px;
}

.banner-arrow-left {
  left: var(--spacing-6);
}

.banner-arrow-right {
  right: var(--spacing-6);
}

/* 指示器 */
.banner-indicators {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-3);
  z-index: 10;
}

.banner-dot {
  width: 12px;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.4);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.banner-dot:hover {
  background-color: rgba(255, 255, 255, 0.6);
}

.banner-dot.active {
  width: 32px;
  background-color: var(--color-white);
}

/* ==================== 页面内容区块 ==================== */
.main-content {
  min-height: 100vh;
}
.section {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-20) var(--spacing-6);
  background-color: var(--color-white);
}

.section-alt {
  background-color: var(--color-gray-50);
}


.content-container {
    max-width: 90%;
    align-items: center;    margin: 0 auto;
}
.contact-shang-label{display: block;
    color: #1e50ae;
    font-weight: bold;
    padding-top: 25px;
    padding-bottom: 10px;
    font-size: 20px;}
.contact-shang-value{ font-size:18px;}
.section-content{ display:block;}
.section-content h1,
.section-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-900);
}

.section-content p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
}

/* ==================== 关于我们区块 ==================== */

.about-shang{ display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);}
.about-container {
 
  max-width: 90%;
  margin: 80px auto;
  align-items: center;
}

/* 左侧图片 */
.about-image {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  border-radius: 30px;
    overflow: hidden;
  
}

.about-image-placeholder svg {
  width: 100%;
  height: 100%;
}

/* 右侧内容 */
.about-content {
  display: flex;
  flex-direction: column;
}

.about-header {
  margin-bottom: var(--spacing-6);
}

.about-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}
.about-header p{font-size: 14px;text-transform: uppercase;color: #999;}
.about-text a{display: inline-block;margin-top: var(--spacing-6);padding: 10px 30px; background-color:var(--color-primary);border-radius: 25px;color: #fff;}
.about-text a:hover{ background-color:#244693;}
.title-decoration {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  border-radius: var(--radius-full);
}

.about-text {
  margin-bottom: var(--spacing-8);
}


.about-text p {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-4);
}
.about-text p span{ color:var(--color-primary);font-weight: bold;}


.about-text p:last-child {
  margin-bottom: 0;
}

/* 核心数据 */
.about-stats {
  display: flex;
  gap: var(--spacing-10);
  padding-top: var(--spacing-12);
  border-top: 1px solid var(--color-gray-200);
}

.stat-item {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-align: center;
}

.stat-number {
  font-size: var(--spacing-16);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-suffix {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--spacing-2);
}

/* ==================== 服务项目区块 ==================== */
.section-services {
  padding: var(--spacing-20) 0;
  background-image: url('/ivelory/images/services.jpg');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}


.services-container {
  max-width: 90%;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.nyservices-container {
  max-width: 90%;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-20);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
      color: #fff;

  margin: 0 0 var(--spacing-3);
}
#container{
    width:100%;
	min-height:600px;
	margin-top:80px;
    
}
.section-subtitle {
  font-size: var(--font-size-lg);
  color: #fff;
  margin: 0;
}
.section-contact .section-title { color:#000;}
.section-contact .section-subtitle { color:#999;}
.contact-form-wrapper{background-color: var(--color-gray-50);border-radius: var(--radius-xl);padding: var(--spacing-8);}
/* 服务卡片网格 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-12);
}
.wxp{display: grid; grid-template-columns: 1fr 3fr;box-shadow: 0 0 9px 0 rgb(0 0 0 / 15%);margin-top: 70px;}
.wxp-wrapper-right { padding:100px; line-height:38px;}
.wxp-wrapper-left img{ height:100%;}
.wxp-title{ color:#036eb7;}
.wxp-subtitle{ color:#999; padding-top:10px; padding-bottom:10px;}
.wxp-list p{ font-size:20px; font-weight:bold;}
.contact-shang{display: flex;gap: var(--spacing-10);}
.contact-shang-item{display: flex;flex-direction: column;flex: 1;text-align: center;    box-shadow: rgba(0, 0, 0, 0.15) 0px 0px 9px 0px;background-color: rgb(247, 247, 247);padding: 25px;border-radius: 5px;}
.service-card {
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
box-shadow: 0 0 9px 0 rgba(0, 0, 0, .15);}
.wxp-list ul li{list-style: circle;margin-left: 24px;}
.wxp-list ul li span{ font-weight:bold;}
.service-card:hover {
  transform: translateY(-6px);
  margin-top:-5px;
  box-shadow: 0 0 9px 0 rgba(0, 0, 0, .15);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0 0 var(--spacing-3);
}

.service-desc {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: var(--color-gray-500);
  margin: 0 0 var(--spacing-4);
}

.service-link {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.service-card:hover .service-link {
  color: var(--color-primary);
}

/* ==================== 联系我们区块 ==================== */
.section-contact {
}
.contact-form-wrapper{ background-color:#fff;}
.contact-container {
  max-width: 1200px;
  width:1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}
.contact-shang-icon{width: 100px;height: 100px;margin: 0 auto;    background-color: #1e50ae;border-radius: 50px;}
.contact-shang-icon svg{    width: 80px;
    color: #fff;
    line-height: 100px;
    margin-top: 10px;}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  margin-top: var(--spacing-12);
}

/* 表单样式 */
.contact-form-wrapper {
  background-color: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: #999;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: inherit;
  color: var(--color-white);
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  margin-top: var(--spacing-2);
}

.form-submit-btn:hover {
  background-color: var(--color-primary-hover);
}

.form-submit-btn:active {
  transform: scale(0.98);
}

.btn-arrow {
  width: 18px;
  height: 18px;
}

/* 联系信息 */
.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  padding: var(--spacing-8);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}
.kuaisu{margin-left: 120px;}
.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact-label {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-gray-900);
}
.footer-links li a{font-size: var(--font-size-sm);
    color: var(--color-white);
    transition: color var(--transition-fast);}
/* 地图占位 */
.contact-map {
  flex: 1;
  min-height: 200px;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.map-placeholder svg {
  width: 100%;
  height: 100%;
}

/* ==================== Toast 提示框 ==================== */
.toast {
  position: fixed;
  top: var(--spacing-6);
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  background-color: var(--color-gray-900);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.toast-icon {
  width: 20px;
  height: 20px;
  color: #10b981;
}

.toast-message {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1360px) {   .nav-link{padding: var(--spacing-2) var(--spacing-6);} }
@media (max-width: 1024px) {
  /* 服务卡片：平板两列 */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-link{ padding:var(--spacing-2) var(--spacing-8);}
  /* 关于我们：平板堆叠 */
  .about-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
  }
  
  .about-image {
    order: 1;
  }
  
  .about-content {
    order: 2;
  }
  
  /* 联系我们：平板堆叠 */
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
  }
}

@media (max-width: 768px) {
  /* 隐藏桌面端菜单 */
  .nav-menu,
  .language-selector {
    display: none;
  }
  
  /* 显示汉堡菜单 */
  .hamburger-btn {
    display: flex;
  }
  
  /* Logo 缩小 */
  .logo-img {
    height: 32px;
  }
  .kuaisu{ margin-left:0;}
  
  .header-container {
    padding: 0;
  }
.section-about {
    padding: 0;
    background-color: var(--color-white);
}  .about-image{ display:none;}
  .about-shang{grid-template-columns: 1fr; gap: 0;}
  /* 关于我们：手机单列 */
  .about-container {
    padding: 0 ;max-width: 96%;margin: 50px auto;
  }
  
  .about-stats {
    gap: var(--spacing-6);    grid-template-columns: repeat(2, 1fr);
    display: grid;
  }
  
  .stat-number {
    font-size: var(--font-size-2xl);
  }
  
  /* 服务卡片：手机单列 */
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .services-container {
    padding: 0 var(--spacing-4);
  }
  
  /* 联系我们：手机单列 */
  .contact-container {
    padding: 0 var(--spacing-4);
  }
  
  .contact-form-wrapper {
    padding: var(--spacing-6);
  }
  
  /* Banner轮播：手机端 */
  .banner {
    height: 400px;
  }
  .contact-shang{grid-template-columns: repeat(1, 1fr);display: grid;}
  #container{ min-height: 400px;}
  .content-container{     max-width: 98%;}
  .header{ height:60px;}
  .banner-title {
    font-size: 2rem;
  }
  .section-nyservices{ padding:0;margin-top: 50px;}
  .nyservices-container{    max-width: 96%; padding:0;}
  .wxp{ display:block;}
  .wxp-wrapper-right{ padding:15px;}
  
  .banner-desc {
    font-size: var(--font-size-base);
  }
  
  .banner-arrow {
    width: 40px;
    height: 40px;
  }
  
  .banner-arrow-left {
    left: var(--spacing-3);
  }
  
  .banner-arrow-right {
    right: var(--spacing-3);
  }
}

/* ==================== 滚动动画 ==================== */

/* 动画初始状态 - 从底部淡入上移 */
.fade-in-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* 动画初始状态 - 从左侧淡入右移 */
.fade-in-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* 动画初始状态 - 从右侧淡入左移 */
.fade-in-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* 动画激活状态 */
.fade-in-up.visible,
.fade-in-left.visible,
.fade-in-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* 交错动画延迟 */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* ==================== 辅助类 ==================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 防止滚动穿透 */
body.no-scroll {
  overflow: hidden;
}

/* ==================== 页脚 Footer ==================== */
.footer {
  background-color:#036eb7;
  padding-top: 80px;
  padding-bottom: 0;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-10);
  max-width: 90%;
  margin: 0 auto;
  padding: 0 var(--spacing-6) var(--spacing-12);
}

/* 页脚列 */
.footer-column {
  flex-direction: column;
}

/* 公司简介列 */
.footer-about {
  grid-column: span 1;
}

.footer-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--spacing-4);
}

.footer-description {
  font-size: var(--font-size-xm);
  line-height: 1.7;
  color: var(--color-white);
}

/* 页脚标题 */
.footer-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 页脚链接列表 */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

/* 社交媒体链接 */
.social-links {
  display: flex;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: #1a3c88);
  border-color: #1a3c88;
  color: #036eb7;
  transform: translateY(-2px);
}

.social-icon {
  width: 20px;
  height: 20px;
}

/* 联系信息 */
.footer-contact {
  font-size: var(--font-size-sm);
  color: var(--color-white);
  line-height: 1.8;
}

/* 底部分割线和版权 */
.footer-bottom {
  border-top: 1px solid var(--color-gray-200);
  padding: var(--spacing-6) var(--spacing-6) var(--spacing-10);
}

.footer-bottom-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  text-align: center;
}

.copyright {
  font-size: var(--font-size-sm);
  color: var(--color-white);
}

.icp {
  font-size: var(--font-size-xs);
}

.icp-link {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.icp-link:hover {
  color: var(--color-primary);
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
  position: fixed;
  right: var(--spacing-6);
  bottom: var(--spacing-8);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-3px);
}

.back-to-top:active {
  transform: translateY(0);
}

.back-to-top-icon {
  width: 24px;
  height: 24px;
}

/* ==================== 页脚响应式 ==================== */
@media (max-width: 1024px) {
  /* 平板：两列布局 */
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-about {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  /* 手机：单列布局 */
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    padding: 0 var(--spacing-4) var(--spacing-10);
  }
  
  .footer-about {
    grid-column: span 1;
  }
  
  .footer {
    padding-top: var(--spacing-12);
  }
  
  .footer-bottom {
    padding: var(--spacing-5) var(--spacing-4) var(--spacing-8);
  }
  
  /* 返回顶部按钮位置调整 */
  .back-to-top {
    right: var(--spacing-4);
    bottom: var(--spacing-6);
    width: 44px;
    height: 44px;
  }
}