* {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
}

body {
  font-size: 14px;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

a {
  text-decoration: none;
  color: #000;
}

ul,
li {
  list-style: none;
}

img {
  max-width: 100%;
}

.wrapper {
  width: 1200px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 18px 40px;
  min-width: 80px;
  border-radius: 6px;
  text-align: center;
  box-sizing: border-box;
}

.btn + .btn {
  margin-left: 10px;
}

.btn-primary {
  width: 80px;
  height: 40px;
  background: #ffffc8;
  border-radius: 20px;
  font-family: Helvetica, Helvetica;
  font-weight: bold;
  font-size: 14px;
  color: #0b5645;
  line-height: 40px;
  text-align: center;
}

.btn-border {
  border: 1px solid #0561f0;
  color: #0561f0;
}

/* 头部样式 */

.footer {
  background: #ffffff;
  margin: 0 auto;
  padding: 40px 380px;
}

/* 页脚顶部：Logo+菜单+应用按钮 */
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 25px;
}

/* Logo区域：Menu文字+Logo+名称 */
.footer-logo {
  height: 38px;
  display: flex;
  align-items: center;
}
.footer-logo .menu-label {
  font-family: DINAlternate, DINAlternate;
  font-weight: bold;
  font-size: 20px;
  color: #333333;
  line-height: 38px;
  margin-right: 20px;
}
.logo-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.logo-group img {
  width: 38px;
  height: 38px;
}
.logo-group span {
  font-family: Helvetica, Helvetica;
  font-weight: bold;
  font-size: 16px;
  color: #333333;
  line-height: 22px;
}

.links-section {
  display: flex;
  margin-bottom: 25px;
  gap: 80px;
}
.link-item {
  font-family: Helvetica;
  font-size: 14px;
  color: #333333;
  line-height: 17px;
  text-decoration: none;
  transition: text-decoration 0.2s;
}
.link-item:hover {
  text-decoration: underline; /*  hover下划线，提升交互 */
}
/* 导航菜单列：三列分布 */
.footer-nav {
  display: flex;
  gap: 120px; /* 列之间的间距 */
}
.nav-column ul {
  list-style: none;
}
.nav-column li {
  margin-bottom: 8px;
  cursor: pointer;
  transition: color 0.2s;
}
.nav-column li:hover {
  color: #0b5544; /* 品牌色高亮 */
}

/* 应用商店按钮：垂直排列 */
.footer-apps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-apps img {
  width: 166px;
  height: 48px;
}

/* 公司信息区域 */
.footer-info {
  margin-bottom: 40px;
}
.footer-info p {
  width: 639px;
  height: 20px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 14px;
  color: #333333;
  line-height: 20px;
  margin: 5px 0;
}

/* 版权栏：黑色背景+白色文字 */
.footer-copyright {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 10px 0;
  width: 1920px;
}
.footer-copyright p {
  color: #fff;
}