/* 全局样式规则 - 定死终身不改 */

/* 导入字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;600&family=Noto+Sans+SC:wght@400;500;600&display=swap');

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 全局变量定义 */
:root {
  /* 品牌颜色 */
  --brand-primary: #38B09D; /* 莫兰迪青竹绿 */
  --brand-secondary: #94D8CC; /* 浅青薄荷绿 */
  --brand-accent: #D1B99F; /* 暖调浅木色 */
  
  /* 文本颜色 */
  --text-primary: #1A1A1A; /* 极致深灰 */
  --text-secondary: #666666; /* 中性中灰 */
  --text-disabled: #999999; /* 中性浅灰 */
  
  /* 背景颜色 */
  --bg-primary: #FFFFFF; /* 纯白 */
  --bg-secondary: #F8F9FA; /* 极浅灰背景 */
  --bg-accent: #F2FBF9; /* 极浅清透青绿 */
  
  /* 分割线颜色 */
  --border-color: #F0F0F0; /* 极致浅灰 */
  
  /* 状态颜色 */
  --status-success: #67C23A; /* 柔和正绿 */
  --status-warning: #FF9F43; /* 柔和暖橙 */
  --status-error: #FF5252; /* 柔和正红 */
  
  /* 超链接颜色 */
  --link-color: #409EFF; /* 柔和标准蓝 */
  
  /* 字体定义 */
  --font-serif: 'Noto Serif SC', serif; /* 思源宋体 CN */
  --font-sans: 'Noto Sans SC', 'Microsoft YaHei', sans-serif; /* 思源黑体 CN / 微软雅黑 */
  
  /* 字号定义 */
  --font-size-36: 36px;
  --font-size-32: 32px;
  --font-size-24: 24px;
  --font-size-20: 20px;
  --font-size-18: 18px;
  --font-size-16: 16px;
  --font-size-14: 14px;
  --font-size-12: 12px;
  
  /* 字重定义 */
  --font-weight-400: 400;
  --font-weight-500: 500;
  --font-weight-600: 600;
  
  /* 行高定义 */
  --line-height-body: 1.6;
  --line-height-heading: 1.3;
  
  /* 间距基准 */
  --spacing-base: 8px;
  --spacing-paragraph: 20px;
  --spacing-section: 64px;
  
  /* 安全宽度 */
  --max-width: 1200px;
  
  /* 边框圆角 */
  --border-radius-button: 8px;
  --border-radius-card: 8px;
  --border-radius-input: 8px;
}

/* 全局基础样式 */
html, body {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  line-height: var(--line-height-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  width: 100%;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: var(--line-height-heading);
  margin-bottom: var(--spacing-paragraph);
}

h1 {
  font-size: var(--font-size-36);
  font-weight: var(--font-weight-600);
}

h2 {
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
}

h3 {
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-500);
}

h4 {
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-500);
}

h5 {
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-500);
}

/* 段落样式 */
p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* 链接样式 */
a {
  color: var(--link-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  text-decoration: underline;
  transform: translateY(-1px);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius-button);
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

/* 主按钮 */
.btn-primary {
  background-color: var(--brand-primary);
  color: white;
}

.btn-primary:hover {
  background-color: #1B5E20;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
  transform: translateY(-2px);
}

.btn-primary:disabled {
  background-color: #9E9E9E;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* 次要按钮 */
.btn-secondary {
  background-color: transparent;
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary);
}

.btn-secondary:hover {
  background-color: #E8F5E9;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.1);
  transform: translateY(-2px);
}

/* 文字按钮 */
.btn-text {
  background-color: transparent;
  color: var(--brand-primary);
  border: none;
  padding: 0;
}

.btn-text:hover {
  text-decoration: underline;
  transform: translateY(-1px);
}

/* 状态按钮 */
.btn-warning {
  background-color: var(--status-warning);
  color: white;
}

.btn-warning:hover {
  background-color: #E67E22;
  box-shadow: 0 4px 12px rgba(250, 140, 22, 0.3);
  transform: translateY(-2px);
}

.btn-danger {
  background-color: var(--status-error);
  color: white;
}

.btn-danger:hover {
  background-color: #C62828;
  box-shadow: 0 4px 12px rgba(245, 34, 45, 0.3);
  transform: translateY(-2px);
}

/* 卡片样式 */
.card {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-card);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 24px;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* 表单输入框样式 */
.input {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border: 1px solid #E0E0E0;
  border-radius: var(--border-radius-input);
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  color: var(--text-primary);
  transition: all 0.3s ease;
  background-color: var(--bg-primary);
}

.input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.input::placeholder {
  color: var(--text-disabled);
}

/* 下拉选择框样式 */
.select {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border: 1px solid #E0E0E0;
  border-radius: var(--border-radius-input);
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  appearance: none;
  transition: all 0.3s ease;
}

.select:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

/* 多行文本域样式 */
.textarea {
  width: 100%;
  padding: 16px;
  border: 1px solid #E0E0E0;
  border-radius: var(--border-radius-input);
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  line-height: var(--line-height-body);
  color: var(--text-primary);
  resize: none;
  transition: all 0.3s ease;
  background-color: var(--bg-primary);
}

.textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.textarea::placeholder {
  color: var(--text-disabled);
}

/* 容器样式 */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 2);
}

/* 分割线样式 */
.divider {
  height: 1px;
  background-color: var(--border-color);
  margin: calc(var(--spacing-base) * 2) 0;
}

/* 辅助文本样式 */
.text-secondary {
  color: var(--text-secondary);
  font-size: var(--font-size-14);
}

.text-disabled {
  color: var(--text-disabled);
  font-size: var(--font-size-12);
}

/* 状态标签样式 */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-400);
}

.badge-success {
  background-color: rgba(82, 196, 26, 0.1);
  color: var(--status-success);
}

.badge-warning {
  background-color: rgba(250, 140, 22, 0.1);
  color: var(--status-warning);
}

.badge-error {
  background-color: rgba(245, 34, 45, 0.1);
  color: var(--status-error);
}

/* 导航样式 */
.nav {
  display: flex;
  align-items: center;
  padding: calc(var(--spacing-base) * 2) 0;
}

.nav-item {
  margin-right: calc(var(--spacing-base) * 4);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-16);
  transition: color 0.3s ease;
}

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

.nav-item.active {
  color: var(--brand-primary);
  font-weight: var(--font-weight-500);
}

/* 顶部全局导航栏样式 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 64px;
  background-color: transparent;
  z-index: 1000;
  box-shadow: none;
  transition: all 1s ease-in-out;
}

.header.shrink {
  height: 64px;
  background-color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: all 1s ease-in-out;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header-left {
  display: flex;
  align-items: center;
  flex: 1;
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 8px;
  transition: all 1s ease-in-out;
  margin-right: 48px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 1s ease-in-out;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: var(--font-weight-600);
  color: #FFFFFF;
  transition: all 1s ease-in-out;
}

.header.shrink .logo-text {
  font-size: 22px;
  color: var(--brand-primary);
}

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

/* 下拉菜单样式 */
.nav-dropdown {
  position: relative;
  transition: all 0.3s ease;
}

.dropdown-toggle {
  position: relative;
  transition: all 0.3s ease;
  padding: 10px 30px 10px 15px;
  border-radius: 6px;
}

.dropdown-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.header.shrink .dropdown-toggle:hover {
  background-color: rgba(56, 176, 157, 0.1);
}

.dropdown-toggle::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--brand-primary);
  transition: all 0.3s ease;
  z-index: 1;
}

.nav-dropdown:hover .dropdown-toggle::after {
  border-top: none;
  border-bottom: 4px solid var(--brand-primary);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  transform: translateY(-50%);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 8px;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  padding: 12px 16px;
  font-size: var(--font-size-14);
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: #F8F9FA;
  color: var(--brand-primary);
}

.header.shrink .dropdown-menu {
  background-color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.nav-item {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: #FFFFFF;
  text-decoration: none !important;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none !important;
  box-shadow: none !important;
  display: inline-block;
  vertical-align: middle;
  background: none;
  outline: none;
}

.nav-item:not(.dropdown-toggle) {
  padding: 10px 0;
}

.header.shrink .nav-item {
  color: var(--text-primary);
}

.nav-item:hover {
  color: var(--brand-primary);
  text-decoration: none !important;
  border: none !important;
  box-shadow: none !important;
  background: none;
  outline: none;
}

.nav-item.active {
  color: var(--brand-primary);
  text-decoration: none !important;
  border: none !important;
  box-shadow: none !important;
  background: none;
  outline: none;
  font-weight: var(--font-weight-600);
}

/* 禁用的导航项样式 */
.nav-item-disabled {
  color: #FFFFFF;
  cursor: default;
  pointer-events: none;
}

.header.shrink .nav-item-disabled {
  color: var(--text-secondary);
}

.nav-item-disabled:hover {
  color: #FFFFFF;
  transform: none;
}

.header.shrink .nav-item-disabled:hover {
  color: var(--text-secondary);
}

.nav-item-disabled:hover::after {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-btn {
  padding: 8px 20px;
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  border: 1px solid #FFFFFF;
  color: #FFFFFF;
  background-color: transparent;
  border-radius: 6px;
  transition: all 1s ease-in-out;
  cursor: pointer;
}

.header.shrink .login-btn {
  border: 1px solid var(--brand-primary);
  color: var(--brand-primary);
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 176, 157, 0.2);
}

.register-btn {
  padding: 8px 20px;
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  background-color: #FFFFFF;
  color: var(--brand-primary);
  border-radius: 6px;
  transition: all 1s ease-in-out;
  border: none;
  cursor: pointer;
}

.header.shrink .register-btn {
  background-color: var(--brand-primary);
  color: #FFFFFF;
}

.register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 176, 157, 0.3);
}

/* 用户头像区域 */
.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--brand-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-weight: var(--font-weight-600);
  font-size: var(--font-size-16);
}

.user-name {
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  color: var(--text-primary);
}

/* 下拉菜单 */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  display: none;
  z-index: 1001;
}

.user-profile:hover .user-dropdown {
  display: block;
}

.dropdown-item {
  padding: 12px 16px;
  font-size: var(--font-size-14);
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: #F8F9FA;
  color: var(--brand-primary);
}

/* 平滑滚动效果 */
html {
  scroll-behavior: smooth;
}

/* 防遮挡设计 */
#team-section,
#about,
#faq {
  scroll-margin-top: 64px;
}


/* 底部全局页脚样式 */
.footer {
  background-color: #1F2937;
  color: white;
  padding: 60px 20px;
  margin-top: var(--spacing-section);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 35% 20% 20% 25%;
  gap: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
  margin-bottom: 16px;
}

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

.footer-slogan {
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 16px 0 0 0;
}

.footer-description {
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-400);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 8px 0 0 0;
}

.footer-title {
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-500);
  margin-bottom: 20px;
  color: #FFFFFF;
}

.footer-nav ul,
.footer-service ul,
.footer-contact ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a,
.footer-service a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-400);
  line-height: 2.2;
  transition: color 0.3s ease;
}

.footer-nav a:hover,
.footer-service a:hover {
  color: var(--brand-secondary);
}

.footer-contact li {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-400);
  line-height: 2.2;
}

.footer-copyright {
  max-width: var(--max-width);
  margin: 30px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-copyright p {
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-400);
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  text-align: center;
}

/* 表格样式 */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-weight: var(--font-weight-500);
  color: var(--text-primary);
}

td {
  color: var(--text-primary);
  font-size: var(--font-size-16);
}

td.secondary {
  color: var(--text-secondary);
  font-size: var(--font-size-14);
}

/* Banner 区域样式 */
.banner {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: all 1s ease-in-out;
  background-image: url('picture/门户.jpg');
  background-size: 108%;
  background-position: center;
  background-repeat: no-repeat;
}

/* 绿色磨玻璃背景 */
.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(56, 176, 157, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}

/* 内容层 */
.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 20px;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-radius: 0;
  border: none;
}

/* 主标题 */
.banner-title {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.3;
  color: #FFFFFF;
  margin-bottom: 24px;
  position: relative;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 标题分割线 */
.banner-divider {
  width: 120px;
  height: 3px;
  background-color: #FFFFFF;
  margin: 0 auto 24px;
}

/* 副标题 */
.banner-subtitle {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.6;
  color: #FFFFFF;
  margin-bottom: 40px;
  transition: margin-bottom 1s ease-in-out;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 底部箭头 */
.banner-arrow {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #FFFFFF;
  font-size: 24px;
  animation: bounce 2s infinite ease-in-out;
  transition: all 1s ease-in-out;
}

/* 箭头跳动动画 */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-8px);
  }
  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

/* 收缩后的状态类 */
.banner.shrink {
  height: 480px;
  background-size: 100%;
  background-position: center 15px;
  transition: all 1s ease-in-out;
}

.banner.shrink .banner-content {
  padding: 0 20px;
}

.banner.shrink .banner-subtitle {
  margin-bottom: 32px;
  transition: margin-bottom 1s ease-in-out;
}

.banner.shrink .banner-arrow {
  bottom: 20px;
  transition: bottom 1s ease-in-out;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .banner-title {
    font-size: 28px;
  }
  
  .banner-subtitle {
    font-size: 16px;
  }
  
  .banner-btn {
    padding: 12px 32px;
    font-size: 16px;
  }
  
  .banner {
    height: 360px;
  }
  
  .banner.shrink {
    height: 300px;
  }
}

/* 核心功能入口区样式 */
.core-features {
  background-color: var(--bg-primary);
  padding: var(--spacing-section) 0;
  margin-top: calc(var(--spacing-section) / 2);
  margin-bottom: calc(var(--spacing-section) / 2);
}

.features-header {
  text-align: center;
  margin-bottom: 48px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  position: relative;
}

/* 移除伪元素图标，改为在HTML中直接添加 */

.features-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: var(--line-height-heading);
  display: inline-block;
  padding-left: 32px;
}

.features-subtitle {
  font-family: var(--font-sans);
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 0 20px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #F2FBF9;
  border-radius: var(--border-radius-card);
  padding: 24px;
  transition: all 0.3s ease;
  color: var(--text-primary);
  height: 240px;
}

.feature-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.feature-icon {
  margin-bottom: 16px;
}

.feature-icon svg {
  stroke: var(--brand-primary);
  fill: none;
  width: 48px;
  height: 48px;
  display: block;
  margin: 0 auto;
}

.feature-title {
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 8px;
  line-height: var(--line-height-heading);
  font-family: var(--font-sans);
  padding-left: 0;
}

.feature-description {
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-primary);
  line-height: 1.8;
  margin: 0;
  text-align: left;
}

/* 门户页全模块滚动灵动效果 */
/* 核心功能区动画 */
.features-header, .feature-card {
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.features-header.animate, .feature-card.animate {
  opacity: 1;
  transform: scale(1);
}

/* 关于我们模块动画 */
.about-header, .vision-section, .philosophy-section {
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.8s ease-out;
}

.about-header.animate, .vision-section.animate, .philosophy-section.animate {
  opacity: 1;
  transform: translateX(0);
}

/* 团队成员动画 */
.team-section {
  opacity: 0;
  transition: all 0.8s ease-out;
}

.team-section.animate {
  opacity: 1;
}

.team-card-new {
  opacity: 0;
  transform: translateY(30px) rotateX(15deg);
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.team-card-new.animate {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}

/* FAQ 模块动画 */
.faq-title {
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.8s ease-out;
}

.faq-title.animate {
  opacity: 1;
  transform: translateY(0);
}

.faq-card {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.6s ease-out;
}

.faq-card.animate {
  opacity: 1;
  transform: scale(1);
}

/* CTA 模块动画 */
.cta-section {
  opacity: 0;
  transform: scale(0.95);
  transition: all 1s ease-out;
}

.cta-section.animate {
  opacity: 1;
  transform: scale(1);
}

/* 实践经历板块动画 */
.experience-section {
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.8s ease-out;
}

.experience-section.animate {
  opacity: 1;
  transform: translateX(0);
}

/* 响应式设计 */
@media (max-width: 1240px) {
  .features-grid {
    padding: 0 20px;
  }
  
  .feature-card {
    width: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-36: 28px;
    --font-size-32: 24px;
    --font-size-24: 20px;
    --font-size-20: 18px;
  }
  
  .container {
    padding: 0 calc(var(--spacing-base) * 1);
  }
  
  .card {
    padding: 16px;
  }
  
  .btn {
    padding: 10px 20px;
  }
  
  .header-container {
    padding: 0 16px;
  }
  
  .header-nav {
    gap: 20px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer {
    padding: 40px 20px;
  }
  
  .footer-brand,
  .footer-nav,
  .footer-contact {
    text-align: center;
  }
  
  .footer-nav ul,
  .footer-contact ul {
    align-items: center;
  }
  
  .footer-copyright {
    padding: 16px 0;
  }
  
  .footer-copyright p {
    font-size: var(--font-size-12);
  }
  
  /* Banner 响应式调整 */
  .banner {
    height: 360px;
  }
  
  .banner-title {
    font-size: 28px;
  }
  
  .banner-subtitle {
    font-size: 16px;
  }
  
  .banner-btn {
    padding: 12px 32px;
    font-size: 16px;
  }
  
  /* 核心功能入口区移动端适配 */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 20px;
  }
  
  .feature-card {
    height: auto;
    width: 100%;
    padding: 40px 24px;
  }
  
  /* 关于我们模块响应式设计 */
  .vision-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .team-grid-second {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .team-card {
    width: 100% !important;
    max-width: 352px;
  }
}

/* 关于我们模块样式 */
.about-section {
  padding: var(--spacing-section) 0;
  background-color: var(--bg-primary);
  margin-top: calc(var(--spacing-section) / 2);
  margin-bottom: calc(var(--spacing-section) / 2);
}

/* 模块标题区 */
.about-header {
  text-align: center;
  margin-bottom: 48px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.about-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: var(--line-height-heading);
  position: relative;
  display: inline-block;
  padding-left: 32px;
}

.about-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2338B09D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5z'%3E%3C/path%3E%3Cpath d='M2 17l10 5 10-5'%3E%3C/path%3E%3Cpath d='M2 12l10 5 10-5'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.about-subtitle {
  font-family: var(--font-sans);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  line-height: var(--line-height-body);
  margin: 0 0 8px;
}

/* 子板块 1：初心与愿景 */
.vision-section {
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 40px;
  align-items: stretch;
  margin-bottom: 56px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.vision-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.vision-slogan {
  font-family: var(--font-sans);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.vision-text {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

.vision-vision {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-500);
  color: var(--brand-primary);
  line-height: 1.8;
  margin: 0;
}

.vision-visual {
  background-color: #F2FBF9;
  border-radius: var(--border-radius-card);
  padding: 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
}

.vision-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

.vision-logo {
  font-family: var(--font-serif);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
}

/* 子板块 2：团队理念 */
.philosophy-section {
  margin-bottom: 56px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.philosophy-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: var(--line-height-heading);
  position: relative;
  display: inline-block;
  padding-left: 32px;
}

.philosophy-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2338B09D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5z'%3E%3C/path%3E%3Cpath d='M2 17l10 5 10-5'%3E%3C/path%3E%3Cpath d='M2 12l10 5 10-5'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.philosophy-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100px;
  height: 1px;
  background-color: var(--brand-primary);
}

.philosophy-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.philosophy-text {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-primary);
  line-height: 1.8;
  margin: 0;
  position: relative;
  padding-left: 24px;
}

.philosophy-text::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--brand-primary);
  border-radius: 2px;
}

/* 子板块 3：核心团队 */
.team-section {
  margin-bottom: 56px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.team-header {
  text-align: center;
  margin-bottom: 48px;
}

.team-section .team-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: var(--line-height-heading);
  position: relative;
  display: inline-block;
  padding-left: 32px;
}

.team-section .team-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2338B09D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5z'%3E%3C/path%3E%3Cpath d='M2 17l10 5 10-5'%3E%3C/path%3E%3Cpath d='M2 12l10 5 10-5'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.team-section .team-subtitle {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  margin: 0;
}

.team-grid-new {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  justify-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.team-card-new {
  width: 100%;
  max-width: 350px;
  min-height: 450px;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-card);
  border: 1px solid #E8E8E8;
  padding: 40px 24px 32px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.team-card-new:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
  border-color: var(--brand-primary);
}

.team-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--brand-primary);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F2FBF9 0%, #FFFFFF 100%);
}

.team-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.photo-placeholder {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
}

.team-name {
  font-family: var(--font-sans);
  font-size: var(--font-size-20);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: var(--line-height-heading);
  transition: all 0.3s ease;
}

.team-card-new:hover .team-name {
  color: var(--brand-primary);
}

.team-role {
  font-family: var(--font-sans);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  color: var(--brand-primary);
  margin-bottom: 20px;
  line-height: var(--line-height-body);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.team-desc {
  font-family: var(--font-sans);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
  flex: 1;
  text-align: center;
  overflow: visible;
  display: block;
  -webkit-line-clamp: unset;
  -webkit-box-orient: unset;
  transition: all 0.3s ease;
}

.team-card-new:hover .team-desc {
  color: var(--text-primary);
}

/* 子板块 4：实践经历 */
.experience-section {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.experience-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-28);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: var(--line-height-heading);
}

.experience-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.experience-text {
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-primary);
  line-height: 1.8;
  margin: 0;
}

/* 关于我们模块响应式设计 */
@media (max-width: 1240px) {
  .about-header,
  .vision-section,
  .philosophy-section,
  .team-section,
  .experience-section {
    padding: 0 20px;
  }
  
  .vision-section {
    gap: 24px;
  }
  
  .team-card-new {
    width: 100%;
  }
}

@media (max-width: 768px) {
  /* 模块标题适配 */
  .about-title {
    font-size: 28px;
  }
  
  .about-subtitle {
    font-size: 16px;
  }
  
  /* 初心与愿景板块 */
  .vision-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .vision-content {
    text-align: center;
  }
  
  /* 团队理念板块 */
  .philosophy-title {
    font-size: 24px;
    text-align: center;
  }
  
  .philosophy-content {
    text-align: center;
  }
  
  /* 核心团队板块 */
  .team-section .team-title {
    font-size: 24px;
  }
  
  .team-grid-new {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .team-card-new {
    width: 100%;
    height: auto;
    padding: 32px 24px;
  }
  
  .team-desc {
    text-align: center;
    -webkit-line-clamp: unset;
  }
  
  /* 实践经历板块 */
  .experience-title {
    font-size: 24px;
    text-align: center;
  }
  
  .experience-content {
    text-align: center;
  }
}

/* FAQ 模块样式 */
.faq-section {
  padding: var(--spacing-section) 0;
  background-color: var(--bg-primary);
  margin-top: calc(var(--spacing-section) / 2);
  margin-bottom: calc(var(--spacing-section) / 2);
}

.faq-title {
  text-align: center;
  margin-bottom: 48px;
  padding: 0 20px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.faq-title h2 {
  font-family: var(--font-serif);
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 16px;
  line-height: var(--line-height-heading);
  display: inline-block;
  padding-left: 32px;
  position: relative;
}

.faq-title h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2338B09D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5z'%3E%3C/path%3E%3Cpath d='M2 17l10 5 10-5'%3E%3C/path%3E%3Cpath d='M2 12l10 5 10-5'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.faq-title p {
  font-family: var(--font-sans);
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  margin: 0;
  line-height: var(--line-height-body);
}

.faq-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.faq-card {
  width: 100%;
  background-color: #F9FFFC;
  border-radius: var(--border-radius-card);
  padding: 20px 24px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  border-left: 1px solid var(--brand-primary);
}

.faq-card:hover {
  background-color: #F0F9F7;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.faq-card.active {
  border-left-width: 3px;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  line-height: 1.5;
  position: relative;
  padding-left: 24px;
}

.faq-question::before {
  content: '?';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-color: var(--brand-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: var(--font-weight-600);
}

.faq-icon {
  color: var(--brand-primary);
  transition: all 0.3s ease;
  font-size: 16px;
}

.faq-card:hover .faq-icon {
  transform: scale(1.1);
}

.faq-answer {
  font-family: var(--font-sans);
  font-size: var(--font-size-15);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 12px;
  padding-left: 16px;
  display: none;
}

.faq-empty {
  width: 100%;
  background-color: #F9FFFC;
  border-radius: var(--border-radius-card);
  padding: 40px 0;
  text-align: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-400);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  display: none;
}

/* FAQ 模块响应式设计 */
@media (max-width: 1240px) {
  .faq-container {
    padding: 0 20px;
  }
  
  .faq-title {
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  /* FAQ 标题区适配 */
  .faq-title h2 {
    font-size: 28px;
  }
  
  .faq-title p {
    font-size: 16px;
  }
  
  /* FAQ 卡片适配 */
  .faq-card {
    padding: 16px 20px;
    margin-bottom: 12px;
  }
  
  .faq-question {
    font-size: 15px;
  }
  
  .faq-answer {
    font-size: 14px;
    line-height: 1.9;
  }
  
  /* 无内容兜底区适配 */
  .faq-empty {
    font-size: 15px;
    padding: 32px 0;
  }
  
  /* FAQ 容器适配 */
  .faq-container {
    padding: 0 20px;
  }
}

/* CTA 行动号召模块 */
.cta-section {
  margin: calc(var(--spacing-section) / 2) 0;
  padding: 0 20px;
}

.cta-section .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 20px;
  border-radius: 12px;
  text-align: center;
  background: linear-gradient(135deg, #38B09D 0%, #2A9D8F 100%);
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: var(--font-size-32);
  font-weight: var(--font-weight-600);
  color: #FFFFFF;
  line-height: 1.3;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.cta-section p {
  font-family: var(--font-sans);
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-400);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  position: relative;
  z-index: 2;
}

.cta-section button {
  background-color: #FFFFFF;
  color: var(--brand-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-500);
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.cta-section button:hover {
  background-color: #F2FBF9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.cta-section button:nth-child(2) {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid #FFFFFF;
  font-weight: var(--font-weight-500);
}

.cta-section button:nth-child(2):hover {
  background-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* CTA 模块响应式设计 */
@media (max-width: 1240px) {
  .cta-section {
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  .cta-section .container {
    padding: 40px 20px;
  }
  
  .cta-section h2 {
    font-size: 28px;
    margin-bottom: 12px;
  }
  
  .cta-section p {
    font-size: 16px;
    margin-bottom: 24px;
  }
  
  .cta-section .cta-buttons {
    flex-direction: column;
    gap: 16px;
  }
  
  .cta-section .cta-buttons button {
    width: 100%;
    padding: 14px 0;
  }
}

/* 页脚模块样式 */
.footer {
  background-color: #1A1A1A;
  color: white;
  padding: 60px 40px;
  margin-top: 0;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 40% 20% 40%;
  gap: 40px;
  align-items: stretch;
  grid-auto-rows: 1fr;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-logo .logo-text {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, #38B09D 0%, #94D8CC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.footer-slogan {
  font-size: 18px;
  font-weight: 300;
  color: #CCCCCC;
  line-height: 1.6;
  margin: 0 0 20px 0;
}

.footer-contact-info {
  font-size: 16px;
  font-weight: 300;
  color: #CCCCCC;
  line-height: 1.8;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-info p {
  margin: 0;
}

.footer-contact-info a {
  color: #CCCCCC;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact-info a:hover {
  color: #38B09D;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-support {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FFFFFF;
  font-family: var(--font-serif);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  color: #CCCCCC;
  font-size: 16px;
  font-weight: 300;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 2.0;
  display: inline-block;
}

.footer-nav a:hover {
  color: #38B09D;
  transform: translateY(-2px);
}

.footer-support .support-item {
  color: #CCCCCC;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.footer-support .support-item院校 {
  color: #999999;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.support-universities {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.support-universities li {
  color: #999999;
  font-size: 14px;
  line-height: 1.6;
}

.support-item a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.support-item a:hover {
  color: #38B09D;
}

.support-universities a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.support-universities a:hover {
  color: #38B09D;
}

.footer-copyright {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 0;
  text-align: center;
  background-color: #0F0F0F;
  min-height: 80px;
  margin-top: 60px;
  border-top: 1px solid #333333;
}

.footer-copyright p {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  margin: 0;
  text-align: center;
  line-height: 1.5;
}

.footer-copyright p::after {
  content: '\A 晋ICP备2026003537号';
  white-space: pre;
  display: block;
  margin-top: 8px;
}

/* 页脚响应式设计 */
@media (max-width: 1240px) {
  .footer-container {
    padding: 0;
  }
}

@media (max-width: 768px) {
  .footer {
    padding: 40px 20px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: left;
  }
  
  .footer-brand,
  .footer-nav,
  .footer-contact {
    align-items: flex-start;
  }
  
  .footer-copyright {
    margin-top: 40px;
    height: auto;
    padding: 20px 0;
  }
  
  .footer-copyright p {
    font-size: 12px;
    line-height: 1.5;
  }
}

/* 移动端专属美化适配 */
@media (max-width: 768px) {
  /* 所有多列布局转为单列 */
  .features-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  /* 字号适配 */
  h1 {
    font-size: 28px;
  }
  
  h2 {
    font-size: 24px;
  }
  
  h3 {
    font-size: 20px;
  }
  
  /* 按钮宽度 100% */
  .btn,
  .banner-btn,
  .cta-section button {
    width: 100%;
    padding: 14px 0;
  }
  
  /* 大段文字居中 */
  .vision-content,
  .team-philosophy,
  .team-card p:last-of-type {
    text-align: center;
  }
  
  /* 行高调整 */
  p {
    line-height: 1.9;
  }
  
  /* 导航栏汉堡菜单 */
  .header-nav {
    display: none;
  }
  
  /* 导航栏移动端适配 */
  .header {
    height: 56px;
  }
  
  .header.shrink {
    height: 56px;
  }
  
  .header-right button {
    font-size: 14px;
    padding: 6px 12px;
  }
  
  /* 响应式布局调整 */
  .vision-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .vision-visual {
    padding: 40px;
  }
  
  .team-card {
    padding: 32px 24px;
  }
  
  .team-card p:last-of-type {
    text-align: center;
  }
}

/* 登录和注册样式 */

/* 登录弹窗遮罩 */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

/* 登录弹窗容器 */
.login-modal {
  width: 400px;
  background-color: #F9FFFC;
  border-radius: 8px;
  border: 1px solid var(--brand-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  position: relative;
}

/* 登录弹窗头部 */
.login-header {
  padding: 32px;
  text-align: center;
}

.login-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.login-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
  margin-bottom: 20px;
}

/* 登录弹窗内容 */
.login-content {
  padding: 24px 32px 32px;
  background-color: #FFFFFF;
}

/* 角色切换栏 */
.role-tabs {
  display: flex;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.role-tab {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: var(--font-size-14);
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
}

.role-tab:hover {
  color: var(--brand-primary);
}

.role-tab.active {
  color: var(--brand-primary);
}

.role-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--brand-primary);
}

/* 移动端角色选择 */
.role-select {
  display: none;
  margin-bottom: 24px;
}

.role-select select {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid #E0E0E0;
  border-radius: var(--border-radius-input);
  font-family: var(--font-sans);
  font-size: var(--font-size-14);
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* 表单样式 */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--font-size-14);
  color: var(--text-primary);
  font-weight: var(--font-weight-500);
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: var(--font-size-14);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-input::placeholder {
  color: var(--text-disabled);
}

/* 密码输入框 */
.password-input-container {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand-primary);
  cursor: pointer;
  font-size: 16px;
}

/* 验证码区域 */
.verification-code {
  display: flex;
  gap: 12px;
}

.verification-code .form-input {
  flex: 3;
}

.verification-code img {
  flex: 2;
  height: 48px;
  border-radius: 8px;
  background-color: #F8F9FA;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-600);
  color: var(--text-secondary);
  border: 1px solid #E0E0E0;
}

/* 获取验证码按钮 */
.get-code-btn {
  flex: 2;
  height: 48px;
  background-color: var(--brand-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-500);
  cursor: pointer;
  transition: all 0.3s ease;
}

.get-code-btn:hover {
  background-color: #1B5E20;
}

.get-code-btn:disabled {
  background-color: #999999;
  cursor: not-allowed;
}

/* 登录按钮 */
.login-btn-submit {
  width: 100%;
  height: 48px;
  background-color: var(--brand-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-600);
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 8px;
}

.login-btn-submit:hover {
  background-color: #1B5E20;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.login-btn-submit:disabled {
  background-color: #999999;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 辅助选项 */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 16px 0;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
}

.remember-me input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--brand-primary);
}

.remember-me label {
  font-size: var(--font-size-14);
  color: var(--text-secondary);
  cursor: pointer;
}

.form-links {
  display: flex;
  gap: 12px;
}

.form-links a {
  font-size: var(--font-size-14);
  color: var(--brand-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.form-links a:hover {
  text-decoration: underline;
}

/* 角色专属提示 */
.role-tip {
  margin-top: 16px;
  font-size: var(--font-size-12);
  color: var(--text-disabled);
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='20' viewBox='0 0 120 20' fill='none' stroke='%232E7D32' stroke-width='1' stroke-linecap='round' stroke-linejoin='round' opacity='0.1'%3E%3Cpath d='M21 12V7H3v5'%3E%3C/path%3E%3Cpath d='M17 21h-10'%3E%3C/path%3E%3Cpath d='M17 21a9 9 0 0 0-9-9'%3E%3C/path%3E%3Cpath d='M12 3v9'%3E%3C/path%3E%3Cpath d='M9 6h6'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center top;
}

/* 分步注册导航 */
.step-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
  position: relative;
}

.step-nav::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #E0E0E0;
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #E0E0E0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-600);
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.step-text {
  font-size: var(--font-size-12);
  color: var(--text-secondary);
  text-align: center;
  transition: all 0.3s ease;
}

.step-item.active .step-number {
  background-color: var(--brand-primary);
  color: white;
}

.step-item.active .step-text {
  color: var(--brand-primary);
  font-weight: var(--font-weight-500);
}

.step-item.completed .step-number {
  background-color: var(--status-success);
  color: white;
}

.step-item.completed .step-text {
  color: var(--status-success);
}

/* 角色字段容器 */
.role-fields {
  margin-bottom: 24px;
  padding: 16px;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  background-color: #F8F9FA;
}

.role-fields h5 {
  margin-bottom: 16px;
  color: var(--text-primary);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-500);
}

/* 错误提示 */
.error-message {
  font-size: var(--font-size-12);
  color: var(--status-error);
  margin-top: 4px;
  display: none;
}

/* 成功提示 */
.success-message {
  font-size: var(--font-size-12);
  color: var(--status-success);
  margin-top: 4px;
  display: none;
}

/* 注册页面 */
.register-page {
  max-width: 400px;
  margin: 100px auto;
  padding: 0 20px;
}

.register-container {
  background-color: #F9FFFC;
  border-radius: 8px;
  border: 1px solid var(--brand-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.register-header {
  padding: 32px;
  text-align: center;
}

.register-content {
  padding: 0 32px 32px;
  background-color: #FFFFFF;
}

/* 表单分组 */
.form-group-title {
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-600);
  color: var(--text-primary);
  margin-bottom: 16px;
  margin-top: 24px;
}

/* 多选框 */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--brand-primary);
}

.checkbox-item label {
  font-size: var(--font-size-14);
  color: var(--text-secondary);
  cursor: pointer;
}

/* 协议复选框 */
.agreement {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 20px 0;
}

.agreement input[type="checkbox"] {
  margin-top: 2px;
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--brand-primary);
}

.agreement label {
  font-size: var(--font-size-12);
  color: var(--text-secondary);
  cursor: pointer;
}

.agreement a {
  color: var(--brand-primary);
  text-decoration: none;
}

.agreement a:hover {
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
  /* 登录弹窗 */
  .login-modal {
    width: 90%;
    max-width: 400px;
    margin: 0 20px;
    border: none;
    border-radius: 8px;
  }
  
  .login-header,
  .login-content {
    padding: 24px;
  }
  
  /* 角色切换 */
  .role-tabs {
    display: none;
  }
  
  .role-select {
    display: block;
  }
  
  /* 验证码区域 */
  .verification-code {
    flex-direction: column;
  }
  
  .verification-code .form-input,
  .verification-code img,
  .get-code-btn {
    width: 100%;
    flex: none;
  }
  
  /* 注册页面 */
  .register-page {
    margin: 80px auto;
  }
  
  .register-header,
  .register-content {
    padding: 24px;
  }
  
  /* 多选框 */
  .checkbox-group {
    grid-template-columns: 1fr;
  }
  
  /* 表单操作 */
  .form-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .form-links {
    width: 100%;
    justify-content: space-between;
  }
}

/* 关闭按钮 */
.close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 24px;
  height: 24px;
  border: none;
  background: none;
  font-size: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.close-btn:hover {
  color: var(--brand-primary);
  transform: rotate(90deg);
}

/* 隐藏类 */
.hidden {
  display: none !important;
}

/* 显示类 */
.show {
  display: block !important;
}

/* 协议容器样式 */
.agreement-container {
  margin: 16px 0;
}

.agreement-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: var(--font-size-12);
  color: var(--text-secondary);
}

.agreement-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--brand-primary);
}

.agreement-item label {
  flex: 1;
  cursor: pointer;
}

.agreement-item .btn-text {
  padding: 0;
  font-size: var(--font-size-12);
}

/* 消费者用户中心样式 */
/* 页面整体布局 */
.user-center {
  display: flex;
  min-height: 100vh;
  background-color: #F7F9F8;
}

/* 顶部固定导航栏 */
.user-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.user-header-left {
  display: flex;
  align-items: center;
}

.user-header-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: var(--font-weight-600);
  color: var(--brand-primary);
}