body * {
  box-sizing: border-box;
  flex-shrink: 0;
}
body {
  font-family: Microsoft YaHei,Arial,sans-serif;
  display: flex;
  justify-content: center;
}
input {
  background-color: transparent;
  border: 0;
}
button {
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  outline: none;
  background-color: transparent;
}

button:active {
  opacity: 0.6;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.justify-start {
  display: flex;
  justify-content: flex-start;
}
.justify-center {
  display: flex;
  justify-content: center;
}

.justify-end {
  display: flex;
  justify-content: flex-end;
}
.justify-evenly {
  display: flex;
  justify-content: space-evenly;
}
.justify-around {
  display: flex;
  justify-content: space-around;
}
.justify-between {
  display: flex;
  justify-content: space-between;
}
.align-start {
  display: flex;
  align-items: flex-start;
}
.align-center {
  display: flex;
  align-items: center;
}
.align-end {
  display: flex;
  align-items: flex-end;
}

/*head.jsp导航*/
.page {
  background-color: rgba(255, 255, 255, 1);
  position: relative;
  width: 100%;
  max-width: 1920px;
  min-width: 1200px;
  margin: 0 auto;
  overflow: visible;
}

.box_1 {
  width: 100%;
  height: 380px;
  background: url(../images/banner.png) center top no-repeat;
  background-size: cover;
  display: flex;
  flex-direction: column;
}

.top-bar {
  width: 100%;
  height: 40px;
  background-color: rgba(68, 133, 217, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-bar-text {
  color: #000;
  font-size: 14px;
  text-align: left;
  padding-left: 160px;
}

.logo-area {
  width: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  padding-left: 60px;
  margin-top: -160px;
}

.logo {
  width: 476px;
  height: 103px;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.9;
}

.nav-section {
  width: 100%;
  background-color: #006aff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0 50px;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 78px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  padding: 28px 0;
  transition: all 0.3s ease;
  position: relative;
}

.nav-item a {
  color: #fff;
  text-decoration: none;
  display: block;
}

.nav-item:hover::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #fff;
}

.nav-item:hover {
  font-weight: bold;
}

.nav-item.active {
  font-weight: bold;
}

.nav-item.active a {
  color: #fff;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 8px 0 0 8px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 1);
  width: 280px;
  margin-left: auto;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 0 13px;
  gap: 10px;
}

.search-icon {
  width: 18px;
  height: 22px;
}

.search-text {
  color: #fff;
  font-size: 14px;
  white-space: nowrap;
}

.search-input {
  flex: 1;
  height: 100%;
  color: #fff;
  font-size: 14px;
  outline: none;
  border: none;
  background: transparent;
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-btn {
  background-color: #1e3bc0;
  height: 40px;
  width: 80px;
  border: 1px solid #fff;
  border-left: none;
  border-radius: 0 8px 8px 0;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-btn:hover {
  background-color: #1529a8;
}