/* 基础布局样式 */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333333;
}

/* 清除默认样式 */
ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

img {
  max-width: 100%;
  height: auto;
}

:root {
  --header-height: 92px;
  /* header高度：padding(40px) + logo(60px) */
}

.color-000 {
  color: #000 !important;
}

/* 头部导航样式 */
.hero__header {
  background-color: rgba(255, 255, 255, 1);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.site-logo {
  display: block;
  height: 60px;

}

/* 顶部导航 */
.main-nav {
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 10px 0;
  color: #111;
  font-size: 18px;
  letter-spacing: 1px;
}

.nav-link:hover,
.nav-item:hover>.nav-link,
.nav-link.inmenu_1 {
  color: #ff0031;
  font-weight: 600;
}

/* 下拉菜单 */
.nav-dropdown {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, .84);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 14px 12px;
  display: none;
}

.nav-dropdown__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-dropdown__item a {
  display: block;
  padding: 10px 14px;
  white-space: nowrap;
  color: #111;
  font-size: 16px;
  border-radius: 8px;
}

.nav-dropdown__item a:hover {
  color: #000;
  font-weight: 600;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  display: block;
}


.header__icon {
  width: 24px;
  height: 24px;
  cursor: pointer;
  margin-left: 20px;
}

.header-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;

}



/* 页脚样式 */
.site-footer {
  background-color: #fff;
  color: #333;
  padding: 60px 0 20px;
  width: 100%;
}

.footer__top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  margin-bottom: 30px;
  width: 100%;
}

.footer__nav {
  width: 817px;
  height: 23px;
  overflow-wrap: break-word;
  color: rgba(0, 0, 0, 1);
  font-size: 24px;
  text-align: left;
  line-height: 6px;
}

.footer__contact {
  width: 96px;
  height: 23px;
  overflow-wrap: break-word;
  color: rgba(0, 0, 0, 1);
  font-size: 24px;
  text-align: center;
  line-height: 6px;
}

.footer__columns {
  width: 1280px;
  margin: 0 auto;
  margin-bottom: 40px;
}

.footer__column {
  color: #6e6e6e;
  font-size: 18px;
  text-align: left;
  line-height: 2;
  margin-bottom: 20px;
  width: auto;
}

.footer__col-title {
  color: #111;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer__col-list li {
  margin-bottom: 6px;
  font-size: 14px;
}

.footer__col-list a {
  color: #6e6e6e;
}

.footer__col-list a:hover {
  color: #ff0031;
}

/* 清除旧的逐列定宽与偏移（防止布局错乱） */
.footer__column:nth-child(n) {
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
}



.footer__label {

  color: rgba(54, 54, 54, 1);
  font-size: 14px;
  font-weight: normal;
  text-align: left;
  white-space: nowrap;
}

.footer__phone {

  color: rgba(255, 0, 49, 1);
  font-size: 24px;
  font-weight: bold;
  text-align: left;
  white-space: nowrap;
}


.footer__bottom {
  width: 1280px;
  margin: 0 auto 0;
}

.footer__brand-image {
  height: 160px;
  margin-right: 20px;
}



.footer__brand-logo {
  height: 90px;
}

.footer__brand-text {

  color: #222;
  font-size: 18px;
  width: 100%;
  margin-top: 12px;
  text-align: center;
}

.footer__wechat {
  margin-left: 40px;
}

.footer__wechat-code {
  background-color: rgba(255, 255, 255, 1);
  width: 100px;
  height: 100px;
}

.footer__wechat-text {
  font-size: 14px;

}

.footer__divider {
  background-color: #e6e6e6;
  width: 1280px;
  height: 1px;
  margin: 20px auto 0;
}

.footer__copyright {
  width: auto;
  color: #777;
  font-size: 14px;
  text-align: center;
  margin: 20px auto 0;
}

/* 顶部大图 Banner */
.banner-container {
  height: 520px;
  color: #fff;
  margin-top: var(--header-height);
}

.banner-title {
  font-size: 40px;
  line-height: 1.2;
}

.banner-subtitle {
  margin-top: 6px;
  font-size: 24px;
  letter-spacing: 2px;
  opacity: 1;
}

/* 返回顶部按钮 */
.backtop-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #333;
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  cursor: pointer;
}

.backtop-btn .icon-arrow-up {
  font-size: 20px;
  transform: rotate(-90deg);
  display: inline-block;
}

.backtop-btn.show {
  display: flex;
}

.backbottom-btn {
  display: none !important;
}

.backbottom-btn.show {
  display: none !important;
}

/* 响应式工具类 */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
}

.common-page {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 50px;
}


.common-page li {
  min-width: 45px;
  height: 45px;
  padding: 0px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  margin: 5px;
  transition: all .1s linear
}


.common-page li.active {
  background: #ff0031;
  border-color: #ff0031;
  color: #FFFFFF
}

.common-page li:hover {
  border-color: #ff0031;
  cursor: pointer;
}