:root {
  --theme: #e60012;
  --duration: 0.45s;
  --header-height: max(1rem, 80px);

  /* --- vi 标准色 --- */
  --aok-red: #e60012;
  --aok-blue: #2e3192;
  --aok-black: #000000;

  /* --- vi 辅助灰阶 --- */
  --aok-grey-05: #f5f7fa;
  --aok-grey-10: #e6e6e6;
  --aok-grey-20: #d9d9d9;
  --aok-grey-50: #808080;
  --aok-grey-70: #4d4d4d;

  /* 字体变量 */
  --font12: clamp(12px, 0.12rem, 12px);
  --font14: clamp(12px, 0.14rem, 14px);
  --font15: clamp(12px, 0.15rem, 15px);
  --font16: clamp(13px, 0.16rem, 16px);
  --font17: clamp(13px, 0.17rem, 17px);
  --font18: clamp(14px, 0.18rem, 18px);
  --font20: clamp(15px, 0.2rem, 20px);
  --font22: clamp(16px, 0.22rem, 22px);
  --font24: clamp(17px, 0.24rem, 24px);
  --font26: clamp(18px, 0.26rem, 26px);
  --font27: clamp(18px, 0.27rem, 27px);
  --font28: clamp(18px, 0.28rem, 28px);
  --font30: clamp(20px, 0.3rem, 30px);
  --font32: clamp(20px, 0.32rem, 32px);
  --font34: clamp(22px, 0.34rem, 34px);
  --font36: clamp(22px, 0.36rem, 36px);
  --font38: clamp(24px, 0.38rem, 38px);
  --font40: clamp(23px, 0.4rem, 40px);
  --font42: clamp(24px, 0.42rem, 42px);
  --font44: clamp(24px, 0.44rem, 44px);
  --font46: clamp(25px, 0.46rem, 46px);
  --font48: clamp(26px, 0.48rem, 48px);
  --font50: clamp(28px, 0.5rem, 50px);

  --space: 45px;
  --border: 1px solid rgba(204, 204, 204, 0.5);
  --mask: rgba(255, 255, 255, 0.6);
  --mask-filter: blur(6px);
  --more-w: 135px;
  --more-h: 35px;
}

html {
  font-size: calc(100vw / 19.2);
}

@media (min-width: 1921px) {
  html {
    font-size: 100px;
  }
}

@media (max-width: 767px) {
  html {
    font-size: calc(100vw / 15.36);
  }
}

/* 字体定义 */
@font-face {
  font-family: 'source han sans cn';
  /* 正确做法：在一个 src 属性里，用逗号分隔 woff2 和 otf */
  /* 浏览器会优先下载排在前面的 woff2，如果不支持再尝试 otf */
  src:  format("woff2"),
        format("opentype");
  font-display: swap;
}

@font-face {
  font-family: 'sourcehansanscn-medium';
  src:  format("woff2"),
        format("opentype");
  font-display: swap;
}

@font-face {
  font-family: 'sourcehansanscn-light';
  src:  format("opentype");
  font-display: swap;
}

/* 全局滚动条样式 */
html::-webkit-scrollbar {
  width: 6px;
  height: 6px;
  background-color: #ccc;
  cursor: pointer;
}

html::-webkit-scrollbar-thumb {
  background-color: var(--theme);
  border-radius: 10px;
}

body {
  font-family: "source han sans cn", sans-serif;
  line-height: normal;
  font-size: 14px;
}

body.lock {
  overflow: hidden;
}

input,
select,
textarea,
button {
  font-family: "source han sans cn", sans-serif;
}

.wrap {
  max-width: 1536px;
  width: 86%;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .wrap {
    width: 92%;
  }
}

@media (min-width: 769px) {
  .pc-hide {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .phone-hide {
    display: none !important;
  }
}

/* =========================================
   header 基础样式
   ========================================= */
header {
  position: fixed;
  top: 0;
  width: 100%;
  transition: 0.6s ease linear;
  height: var(--header-height);
  z-index: 99;
}

header.active,
header.hover {
  background: #ffffff;
  box-shadow: 0px 0px 1px 0px rgba(0, 0, 0, 0.3);
}

header.active .header-wrap .nav .nav-item .item-top a,
header.hover .header-wrap .nav .nav-item .item-top a {
  color: #333333;
}

/* 图标变色逻辑 */
header.active .header-wrap .other .search img,
header.hover .header-wrap .other .search img {
  filter: none;
  opacity: 1;
}

header.active .header-wrap .other .line,
header.hover .header-wrap .other .line {
  background-color: #014099;
}

header.active .header-wrap .other .lang .lang-head .icon img,
header.hover .header-wrap .other .lang .lang-head .icon img {
  filter: none;
  opacity: 1;
}

header.active .header-wrap .other .lang .lang-head .current-text,
header.hover .header-wrap .other .lang .lang-head .current-text {
  color: #014099;
}

header.active .head-mask,
header.hover .head-mask {
  opacity: 0;
}

header.scroll {
  transform: translatey(-100%);
  opacity: 0;
  pointer-events: none;
}

header.scroll .head-mask {
  opacity: 0;
}

.header-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.header-wrap .logo {
  display: block;
}

.header-wrap .logo img {
  display: block;
  width: max(180px, 2.5rem);
}

.header-wrap .nav {
  margin-left: max(1.55rem, 30px);
  display: flex;
  align-items: center;
  height: 100%;
}

.header-wrap .nav .nav-item {
  height: 100%;
  margin-right: max(10px, 0.4rem);
  position: relative;
}

.header-wrap .nav .nav-item:last-child {
  margin-right: 0;
}

.header-wrap .nav .nav-item.active .item-top a,
.header-wrap .nav .nav-item:hover .item-top a {
  color: #e70113 !important;
}

.header-wrap .nav .nav-item .item-top {
  height: 100%;
}

.header-wrap .nav .nav-item .item-top a {
  height: 100%;
  display: flex;
  align-items: center;
  font-weight: 400;
  font-size: var(--font18);
  color: #ffffff;
  transition: var(--duration);
}

.header-wrap .nav .nav-item .item-bottom {
  display: none;
}


/* ========================================================================== */
/* 【极致版】产品中心下拉菜单 (定制数值 27.91%   0.35rem) */
/* ========================================================================== */
.header-wrap .nav .nav-item .pro-bottom {
  position: fixed;
  left: 0;
  top: var(--header-height);
  width: 100%;
  background: #ffffff;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);

  /* 固定高度 460px，紧凑精致 */
  height: 460px !important;
  overflow-y: auto;
  scrollbar-gutter: stable;
  padding: 0;
  border-top: 1px solid var(--aok-grey-10);
  z-index: 100;
}

.header-wrap .nav .nav-item .pro-bottom::-webkit-scrollbar {
  width: 6px;
}

.header-wrap .nav .nav-item .pro-bottom::-webkit-scrollbar-track {
  background: #fff;
}

.header-wrap .nav .nav-item .pro-bottom::-webkit-scrollbar-thumb {
  background: #e0e0e0;
  border-radius: 3px;
}

.header-wrap .nav .nav-item .pro-bottom::-webkit-scrollbar-thumb:hover {
  background: var(--theme);
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap {
  display: flex;
  align-items: stretch;
  min-height: 100%;
  gap: 0;
}

/* --- 1. 左侧大图  */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one {
  width: 27.91%;
  flex-shrink: 0;
  margin-right: 0.35rem;
  padding: 35px 20px 35px 0;
  background-color: #fff;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item {
  display: none;
  animation: fadein 0.4s ease;
  height: 100%;
}

@keyframes fadein {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item.show {
  display: flex;
  flex-direction: column;
}

/* 图片容器 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .pic {
  position: relative;
  overflow: hidden;
  margin-bottom: 15px;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--aok-grey-10);
  flex-shrink: 0;
}

/* 图片比例控制 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .pic::after {
  content: "";
  display: block;
  padding-bottom: 66.66%;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .pic img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

/* 文本区域 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .text {
  flex: 1;
  padding-left: 5px;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .text .cate {
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 300;
  font-size: 24px;
  color: #666;
  margin-bottom: 8px;
  transition: var(--duration);
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .text .name,
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item .text .model {
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 300;
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  overflow-wrap: break-word;
}

/* 鼠标悬停效果 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item:hover .pic img {
  transform: scale(1.05);
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .current-cate-one .item:hover .text .cate {
  color: var(--theme);
}


/* --- 2. 一级分类  --- */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one {
  width: 15%;
  flex-shrink: 0;
  border-right: 1px solid var(--aok-grey-10);
  background-color: var(--aok-grey-05);
  padding-top: 15px;
  padding-bottom: 15px;
  overflow-y: auto;
  margin-left: 0;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one::-webkit-scrollbar {
  display: none;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item {
  position: relative;
  margin-bottom: 0;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item a {
  display: flex;
  align-items: center;
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  transition: all 0.3s;
  width: 100%;
  color: #666;
  padding: 12px 25px;
}

/* 选中状态 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item.current {
  background-color: #fff;
  margin-right: -1px;
  z-index: 2;
}

/* 左侧红条使用 absolute 定位 */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item.current::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--theme);
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item.current a {
  color: var(--theme);
  font-weight: 500;
  padding-left: 30px;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-one .one-item a img {
  display: none;
}


/* --- 3. 二级分类 --- */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two {
  width: 19%;
  min-width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--aok-grey-10);
  background-color: #fff;
  padding: 20px 0;
  overflow-y: auto;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two::-webkit-scrollbar {
  display: none;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section {
  display: none;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section.show {
  display: block;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section .two-item {
  padding: 0 15px;
  margin-bottom: 2px;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section .two-item .item-link {
  display: flex;
  align-items: center;
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 400;
  font-size: 15px;
  color: #555;
  line-height: 1.5;
  transition: all 0.2s ease;
  width: 100%;
  padding: 8px 12px;
  border-radius: 4px;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section .two-item .item-link:hover,
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section .two-item.current .item-link {
  color: var(--theme);
  background-color: #fff5f5;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-two .two-section .two-item .item-link img {
  display: none;
}


/* --- 4. 三级分类 --- */
.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three {
  flex: 1;
  min-width: 240px;
  flex-shrink: 0;
  background-color: #fff;
  padding: 25px 30px;
  margin: 0;
  overflow-y: auto;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three .cate-three-item {
  display: none;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three .cate-three-item.show {
  display: block;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three .cate-three-item .list .item {
  margin-bottom: 10px;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three .cate-three-item .list .item a {
  font-size: 14px;
  color: var(--aok-grey-70);
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 400;
  color: #666666;
  line-height: 1.6;
  letter-spacing: 1px;
  transition: var(--duration);
  display: block;
  padding: 2px 0;
}

.header-wrap .nav .nav-item .pro-bottom .pro-bottom-wrap .cate-three .cate-three-item .list .item a:hover {
  color: var(--theme);
  transform: translatex(5px);
}


/* 下拉菜单 (其他非产品) */
.header-wrap .nav .nav-item .common-head-bottom {
  position: fixed;
  left: 0;
  top: var(--header-height);
  width: 100%;
  height: auto;
  background: #ffffff;
  box-shadow: -19px 19px 18px 0px rgba(0, 0, 0, 0.1);
  padding-top: max(0.57rem, 30px);
  padding-bottom: max(1.08rem, 30px);
  border-top: 1px solid rgba(204, 204, 204, 0.5);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap {
  display: flex;
  gap: 30px max(15px, 0.3rem);
  justify-content: center;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item {
  width: 18.42447917%;
  flex-shrink: 0;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item:hover .pic img {
  transform: scale(1.05);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item:hover .text .title {
  color: var(--theme);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item:hover .text .more .more-text {
  color: var(--theme);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item:hover .text .more .more-icon .default {
  opacity: 0;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item:hover .text .more .more-icon .hover {
  opacity: 1;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .pic {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 10px;
  position: relative;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .pic::after {
  content: "";
  display: block;
  padding-bottom: 62.8975265%;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .pic img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--duration, 0.45s);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text {
  padding-left: 10px;
  padding-right: 10px;
  overflow-wrap: break-word;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .title {
  font-weight: 400;
  font-size: var(--font18);
  color: #333333;
  line-height: 1.55555556;
  margin-top: max(0.15rem, 10px);
  text-align: center;
  overflow-wrap: break-word;
  transition: var(--duration);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more {
  margin-top: max(0.24rem, 15px);
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  user-select: none;
  cursor: pointer;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more .more-text {
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 300;
  font-size: 12px;
  color: #666666;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more .more-icon {
  width: 5px;
  position: relative;
  z-index: 2;
  margin-left: 11px;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more .more-icon img {
  display: block;
  width: 100%;
  object-fit: contain;
  transition: var(--duration, 0.45s);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more .more-icon .default {
  opacity: 1;
}

.header-wrap .nav .nav-item .common-head-bottom .head-bottom-wrap .item .text .more .more-icon .hover {
  opacity: 0;
}

.header-wrap .nav .nav-item .about-head-bottom {
  position: absolute;
  left: 50%;
  transform: translatex(-50%);
  top: 100%;
  background: #ffffff;
  border-radius: 0px 0px 10px 10px;
  width: 118px;
  padding-top: max(15px, 0.19rem);
  padding-bottom: max(15px, 0.23rem);
}

.header-wrap .nav .nav-item .about-head-bottom .item {
  margin-bottom: 10px;
}

.header-wrap .nav .nav-item .about-head-bottom .item:last-child {
  margin-bottom: 0;
}

.header-wrap .nav .nav-item .about-head-bottom .item .text {
  display: block;
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 300;
  font-size: var(--font16);
  line-height: 1.5;
  color: #666666;
  transition: var(--duration);
  text-align: center;
}

.header-wrap .nav .nav-item .about-head-bottom .item .text:hover {
  color: #f71e26;
}

/* 顶部右侧功能区 */
.header-wrap .other {
  margin-left: auto;
  display: flex;
  align-items: center;
  height: 100%;
}

.header-wrap .other .search {
  margin-right: max(0.2rem, 10px);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  user-select: none;
  cursor: pointer;
}

.header-wrap .other .search img {
  transition: var(--duration);
  filter: brightness(0) invert(1);
}

.header-wrap .other .line {
  width: 1px;
  height: 14px;
  background-color: #fff;
  flex-shrink: 0;
}

.header-wrap .other .lang {
  margin-left: max(0.2rem, 10px);
  position: relative;
  z-index: 10;
  height: 100%;
}

.header-wrap .other .lang:hover .lang-list {
  transform: translatex(-50%) translatey(0px);
  opacity: 1;
  pointer-events: initial;
}

.header-wrap .other .lang .lang-head {
  display: flex;
  align-items: center;
  user-select: none;
  cursor: pointer;
  height: 100%;
}

.header-wrap .other .lang .lang-head .icon img {
  display: block;
  filter: brightness(0) invert(1);
}

.header-wrap .other .lang .lang-head .current-text {
  font-weight: 400;
  font-size: 12px;
  color: #ffffff;
  line-height: 1;
  white-space: nowrap;
  margin-left: 6px;
}

.header-wrap .other .lang .lang-list {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translatex(-50%) translatey(20px);
  width: 100px;
  height: auto;
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  transition: var(--duration);
  border-radius: 0 0 10px 10px;
  opacity: 0;
  pointer-events: none;
  padding-top: 20px;
  padding-bottom: 20px;
}

.header-wrap .other .lang .lang-list .lang-item {
  margin-bottom: 15px;
}

.header-wrap .other .lang .lang-list .lang-item:last-child {
  margin-bottom: 0;
}

.header-wrap .other .lang .lang-list .lang-item .text {
  color: #000000;
  font-size: var(--font14);
  line-height: 1;
  transition: var(--duration);
  display: block;
  text-align: center;
}

.header-wrap .other .lang .lang-list .lang-item .text:hover {
  color: var(--theme);
}

.header-wrap .other .head-contact {
  width: max(1.2rem, 100px);
  height: 36px;
  background: linear-gradient(90deg, #d71418, #e60012, #ff3131);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  cursor: pointer;
  font-weight: 400;
  font-size: var(--font16);
  color: #ffffff;
  margin-left: max(0.51rem, 20px);
  border: 1px solid transparent;
}

/* 搜索框 */
.header-wrap .head-search {
  position: absolute;
  width: 100%;
  left: 0;
  top: 100%;
  background-color: #fff;
  padding-top: max(20px, 0.45rem);
  padding-bottom: max(20px, 0.45rem);
  border-top: 1px solid rgba(204, 204, 204, 0.5);
  display: none;
}

.header-wrap .head-search .search-wrap {
  max-width: 800px;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 7;
}

.header-wrap .head-search .search-wrap input {
  display: block;
  width: 100%;
  height: max(30px, 0.6rem);
  padding-left: 20px;
  padding-right: max(0.6rem, 45px);
  font-size: 16px;
  color: #000000;
  transition: var(--duration);
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.75);
  position: relative;
  z-index: 2;
}

.header-wrap .head-search .search-wrap input:focus {
  border-bottom-color: #014099;
}

.header-wrap .head-search .search-wrap input::placeholder {
  color: rgba(0, 0, 0, 0.5);
}

.header-wrap .head-search .search-wrap .search-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translatey(-50%);
  user-select: none;
  cursor: pointer;
  z-index: 2;
}

.header-wrap .head-search .search-wrap .search-btn:hover img {
  filter: none;
}

.header-wrap .head-search .search-wrap .search-btn img {
  display: block;
  width: 18px;
  object-fit: contain;
  filter: grayscale(1);
  transition: var(--duration);
}

.head-mask {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  pointer-events: none;
  width: 100%;
  height: auto;
  transition: var(--duration);
}

.head-mask img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 底部footer */
footer {
  background-color: #f8f8f8;
  padding-top: max(1.18rem, var(--space));
  padding-bottom: max(0.72rem, var(--space));
}

footer .footer-wrap {
  display: flex;
  align-items: flex-start;
}

footer .footer-wrap .footer-left {
  width: 56.31510417%;
  flex-shrink: 0;
}

footer .footer-wrap .footer-left .foot-nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: max(0.35rem, 20px);
  border-bottom: 1px solid rgba(204, 204, 204, 0.5);
}

footer .footer-wrap .footer-left .foot-nav .nav-item {
  margin-right: 10px;
}

footer .footer-wrap .footer-left .foot-nav .nav-item:last-child {
  margin-right: 0;
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-t {
  margin-bottom: max(0.25rem, 15px);
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .t-link {
  font-weight: 400;
  font-size: var(--font18);
  color: #333333;
  transition: var(--duration);
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .t-link:hover {
  color: var(--theme);
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .phone-icon {
  display: none;
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-b .text {
  margin-bottom: 5px;
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-b .text:last-child {
  margin-bottom: 0;
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-b .text .link {
  font-family: sourcehansanscn-light, sans-serif;
  font-weight: 400;
  font-size: var(--font14);
  color: #666666;
  line-height: 1.5;
  transition: var(--duration);
  overflow-wrap: break-word;
}

footer .footer-wrap .footer-left .foot-nav .nav-item .item-b .text .link:hover {
  color: var(--theme);
}

footer .footer-wrap .footer-left .foot-friend-link {
  padding-top: max(0.3rem, 15px);
  padding-bottom: max(0.3rem, 15px);
  border-bottom: 1px solid rgba(204, 204, 204, 0.5);
  display: flex;
  align-items: center;
  margin-bottom: max(20px, 0.3rem);
}

footer .footer-wrap .footer-left .foot-friend-link .custom {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

footer .footer-wrap .footer-left .foot-friend-link .custom .icon {
  display: flex;
  align-items: center;
  margin-right: 10px;
}

footer .footer-wrap .footer-left .foot-friend-link .custom .text {
  font-weight: 400;
  font-size: var(--font16);
  color: transparent;
  background: linear-gradient(0deg, #d71418 0%, #e60012 0%, #ff3131 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list {
  display: flex;
  align-items: center;
  margin-left: max(0.35rem, 15px);
  flex-wrap: wrap;
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list .friend-item {
  padding-right: max(0.2rem, 10px);
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list .friend-item:last-child .link::after {
  display: none;
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list .friend-item .link {
  font-family: sourcehansanscn-light, sans-serif;
  font-size: var(--font14);
  color: #666666;
  transition: var(--duration);
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list .friend-item .link:hover {
  color: var(--theme);
}

footer .footer-wrap .footer-left .foot-friend-link .friend-list .friend-item .link::after {
  content: "|";
  padding-left: max(0.2rem, 10px);
}

footer .footer-wrap .footer-left .foot-info {
  margin-bottom: 20px;
}

footer .footer-wrap .footer-left .foot-info p,
footer .footer-wrap .footer-left .foot-info a,
footer .footer-wrap .footer-left .foot-info span {
  font-family: sourcehansanscn-light, sans-serif;
  font-size: var(--font14);
  color: #666666;
  line-height: 2.28571429;
  transition: var(--duration);
}

footer .footer-wrap .footer-left .foot-info a:hover {
  color: var(--theme);
}

footer .footer-wrap .footer-left .foot-follow {
  display: flex;
  align-items: center;
}

footer .footer-wrap .footer-left .foot-follow .text {
  color: #666;
  font-size: var(--font18);
  margin-right: max(0.2rem, 10px);
  line-height: 1;
  white-space: nowrap;
}

footer .footer-wrap .footer-left .foot-follow .icon-list {
  display: flex;
  align-items: center;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item {
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  cursor: pointer;
  margin-right: max(0.2rem, 10px);
  width: 21px;
  position: relative;
  z-index: 10;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item:last-child {
  margin-right: 0;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item .icon img {
  object-fit: contain;
  object-position: center center;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item .icon .default {
  display: block;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item .icon .hover {
  display: none;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item .qrcode {
  position: absolute;
  left: 50%;
  transform: translatex(-50%) scale(0, 1);
  bottom: 115%;
  width: 120px;
  height: 120px;
  background-color: #fff;
  padding: 6px;
  transition: var(--duration);
  box-shadow: 0 0 5px rgba(204, 204, 204, 0.6);
  border-radius: 10px;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item .qrcode img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item:hover .icon .default {
  display: none;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item:hover .icon .hover {
  display: block;
}

footer .footer-wrap .footer-left .foot-follow .icon-list .icon-item:hover .qrcode {
  transform: translatex(-50%) scale(1, 1);
}

footer .footer-wrap .footer-right {
  width: 30.72916667%;
  flex-shrink: 0;
  margin-left: auto;
}

footer .footer-wrap .footer-right .foot-logo {
  margin-bottom: max(0.5rem, 20px);
}

footer .footer-wrap .footer-right .foot-logo img {
  display: block;
  width: max(2.54rem, 150px);
  object-fit: contain;
}

footer .footer-wrap .footer-right .foot-name {
  font-family: source han sans cn;
  font-weight: 500;
  font-size: var(--font24);
  background: linear-gradient(0deg, #d71418 0%, #e60012 0%, #ff3131 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: max(0.2rem, 10px);
  border-bottom: 1px solid rgba(204, 204, 204, 0.5);
}

footer .footer-wrap .footer-right .foot-info-list {
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(204, 204, 204, 0.5);
}

footer .footer-wrap .footer-right .foot-info-list .foot-info-item {
  display: flex;
  align-items: center;
  margin-bottom: max(0.2rem, 10px);
}

footer .footer-wrap .footer-right .foot-info-list .foot-info-item:last-child {
  margin-bottom: 0;
}

footer .footer-wrap .footer-right .foot-info-list .foot-info-item .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
}

footer .footer-wrap .footer-right .foot-info-list .foot-info-item .text {
  margin-left: 10px;
  font-family: sourcehansanscn-light, sans-serif;
  font-size: var(--font16);
  color: #333333;
}

footer .footer-wrap .footer-right .foot-qrcode-area {
  margin-top: max(0.24rem, 20px);
  display: flex;
  align-items: flex-start;
}

footer .footer-wrap .footer-right .foot-qrcode-area .item {
  margin-right: max(0.4rem, 25px);
}

footer .footer-wrap .footer-right .foot-qrcode-area .item:last-child {
  margin-right: 0;
}

footer .footer-wrap .footer-right .foot-qrcode-area .item .img {
  width: 148px;
  height: 148px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  border: 1px solid rgba(204, 204, 204, 0.3);
}

footer .footer-wrap .footer-right .foot-qrcode-area .item .img img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
}

footer .footer-wrap .footer-right .foot-qrcode-area .item .text {
  font-size: var(--font16);
  text-align: center;
  margin-top: 10px;
  color: #666;
}

/* 侧边栏 */
.foot-aside {
  position: fixed;
  right: 12px;
  bottom: 20%;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.4s ease-in-out;
}

.foot-aside.is-show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.foot-aside .aside-item {
  position: relative;
  margin-bottom: 2px;
}

.contact-aside .icon {
  background-color: var(--aok-red);
  height: auto;
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 44px;
}

.contact-aside .icon .v-text {
  writing-mode: vertical-rl;
  font-size: 14px;
  color: #fff;
  margin-top: 5px;
  letter-spacing: 2px;
}

.go-top .icon {
  background-color: #fff;
  width: 44px;
  height: 44px;
  border: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.foot-aside .hover-content {
  position: absolute;
  right: 100%;
  bottom: 0;
  padding-right: 10px;
  display: none;
  opacity: 0;
  transform: translatex(10px);
  transition: all 0.3s ease;
}

.foot-aside .hover-content.active {
  display: block;
  opacity: 1;
  transform: translatex(0);
}

.contact-list {
  width: 180px;
  background: #fff;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 10px 0;
}

.list-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  text-decoration: none;
}

.list-link:hover {
  background: #f9f9f9;
}

.list-link img {
  width: 18px;
  filter: invert(11%) sepia(54%) saturate(4174%) hue-rotate(240deg) brightness(30%) contrast(100%);
}

.list-link .info-text {
  margin-left: 12px;
  text-align: left;
}

.list-link .t1 {
  font-size: 15px;
  color: var(--aok-black);
  font-weight: 600;
}

.list-link .t2 {
  font-size: 13px;
  color: var(--aok-grey-50);
  margin-top: 4px;
}

/* 移动端 */
.phone-nav {
  display: none;
}

.common-footer-link {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  padding-top: max(0.35rem, 20px);
  padding-bottom: max(0.35rem, 20px);
}

.common-footer-link .list {
  display: flex;
  justify-content: center;
  align-items: center;
}

.common-footer-link .list .item {
  padding-left: max(20px, 1.46rem);
  padding-right: 1.46rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.common-footer-link .list .item:hover .icon img {
  filter: none;
}

.common-footer-link .list .item:hover .text {
  color: var(--theme);
}

.common-footer-link .list .item:first-child {
  padding-left: 0;
}

.common-footer-link .list .item:last-child {
  padding-right: 0;
  border-right: none;
}

.common-footer-link .list .item .icon {
  height: max(0.51rem, 30px);
  display: flex;
  align-items: center;
}

.common-footer-link .list .item .icon img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  transition: var(--duration);
  max-height: 100%;
  filter: brightness(0) invert(1);
}

.common-footer-link .list .item .text {
  font-weight: 400;
  font-size: var(--font18);
  color: #fff;
  text-align: center;
  margin-top: 17px;
  transition: var(--duration);
}

/* 媒体查询 */
@media (max-width: 1450px) {
  .header-wrap .nav {
    margin-left: 1rem;
  }
}

@media (max-width: 1200px) {
  .header-wrap .nav {
    display: none;
  }

  .phone-btn {
    display: block;
    width: 30px;
    margin-left: 15px;
    user-select: none;
    cursor: pointer;
  }

  .phone-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--theme);
    margin-bottom: 5px;
    transition: all 0.6s ease;
  }

  .phone-btn span:last-child {
    margin-bottom: 0;
  }

  /* ----------------------------------------------------
     【手机端导航核心样式】
     整合了滚动修复 (100dvh)、底部留白、以及新的视觉风格
     ---------------------------------------------------- */
  .phone-nav {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;

    /* --- 修复高度问题 start --- */
    /* 1. 兼容旧手机 */
    height: calc(100vh - var(--header-height));
    /* 2. 针对现代手机 (解决地址栏遮挡问题) */
    height: calc(100dvh - var(--header-height));
    /* --- 修复高度问题 end --- */

    background-color: #fff;

    /* --- 修复滚动问题 start --- */
    overflow-y: auto;
    /* 允许垂直滚动 */
    -webkit-overflow-scrolling: touch;
    /* 开启 ios 惯性滚动 */
    overscroll-behavior: contain;
    /* 防止滚动传导 */
    /* --- 修复滚动问题 end --- */

    /* 增加底部内边距，确保最后一个菜单能被滑上来 */
    padding: 30px 0 150px 0;

    border-top: 1px solid #cccccc;
    display: none;
    --padding: 7%;
    z-index: 999;
  }

  .phone-nav::-webkit-scrollbar {
    width: 6px;
    border-radius: 10px;
    background-color: #ccc;
  }

  .phone-nav::-webkit-scrollbar-thumb {
    background-color: var(--theme);
    border-radius: 10px;
  }

  /* --- 1. 一级菜单 --- */
  .phone-nav .nav-item {
    margin-bottom: 0;
    border-bottom: 1px solid #f2f2f2;
  }

  .phone-nav .nav-item .item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    /* 增加舒适度 */
    background-color: #fff;
    transition: all 0.3s;
    pointer-events: none;
    /* 父级不响应，只让子元素响应 */
  }

  .phone-nav .nav-item .item-top a.text,
  .phone-nav .nav-item .item-top .js-toggle {
    pointer-events: auto;
    /* 恢复响应 */
  }

  .phone-nav .nav-item .item-top a.text {
    font-size: 16px;
    font-weight: 500;
    color: #222;
    flex: 1;
    padding: 5px 0;
  }

  /* 激活状态 */
  .phone-nav .nav-item .item-top.active {
    background-color: #f9f9f9;
  }

  .phone-nav .nav-item .item-top.active a.text {
    color: var(--theme);
  }

  /* 图标容器 (一级) */
  .phone-nav .nav-item .item-top .js-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 5px;
    cursor: pointer;
  }

  /* 核心红圈样式 (所有层级共用) */
  .phone-nav .nav-item .item-top .js-toggle .icon-wrap,
  .phone-nav .nav-item .item-bottom .bottom-section .section-top .icon-wrap,
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item .icon-wrap {
    width: 24px !important;
    height: 24px !important;
    min-width: 24px !important;
    flex-shrink: 0 !important;
    background-color: #e60012;
    /* 默认红色 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    margin-left: auto;
    transition: all 0.3s ease;
  }

  /* 点击热区扩大 (伪元素) */
  .phone-nav .nav-item .item-bottom .bottom-section .section-top .icon-wrap,
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item .icon-wrap {
    position: relative;
    cursor: pointer;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-top .icon-wrap::after,
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item .icon-wrap::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: transparent;
  }

  /* 箭头图标统一 */
  .phone-nav .icon-wrap img {
    width: 10px !important;
    height: 10px !important;
    min-width: 10px !important;
    object-fit: contain;
    filter: brightness(0) invert(1);
    /* 变白 */
    transition: transform 0.3s ease;
    display: block;
  }

  /* 激活时红圈变深蓝 */
  .phone-nav .nav-item .item-top.active .js-toggle .icon-wrap,
  .phone-nav .nav-item .item-bottom .bottom-section .section-top.active .icon-wrap,
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item.active .icon-wrap {
    background-color: var(--aok-blue);
  }

  /* 激活时箭头旋转 */
  .phone-nav .nav-item .item-top.active .js-toggle .icon-wrap img,
  .phone-nav .nav-item .item-bottom .bottom-section .section-top.active .icon-wrap img,
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item.active .icon-wrap img {
    transform: rotate(90deg);
  }

  /* --- 2. 二级菜单 --- */
  .phone-nav .nav-item .item-bottom {
    display: none;
    background-color: #fcfcfc;
  }

  .phone-nav .nav-item .item-bottom .bottom-section {
    margin-bottom: 0;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-top {
	display: flex;
    align-items: center;
    justify-content: space-between;
    
    /* 【核心修改】增加上下间距 (14px -> 20px)，看起来更大气 */
    padding: 20px 20px 20px 35px; 
    
    /* 线条变得更淡，接近隐形，更高级 */
    border-bottom: 1px solid #f9f9f9; 
    
    /* 纯白背景，突出层级 */
    background-color: #fff; 
    transition: all 0.3s;
  }
	/* 去掉最后一个二级菜单的底边框，显得更整洁 */
  .phone-nav .nav-item .item-bottom .bottom-section:last-child .section-top {
      border-bottom: none;
  }
  .phone-nav .nav-item .item-bottom .bottom-section .section-top .item-link {
    font-size: 15px;
    color: #333;
    font-weight: 400;
  }
  .phone-nav .nav-item .item-bottom .bottom-section .section-top.active {
		  background-color: #fffbfb; /* 极淡的红色背景氛围 */
  }
  .phone-nav .nav-item .item-bottom .bottom-section .section-top.active .item-link {
    color: var(--theme);
    font-weight: 500;
  }

  /* --- 3. 三级菜单 --- */
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom {
    width: 100%;
    margin-top: 0;
    margin-bottom: 0;
    display: none;
    background-color: #fff;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two {
    padding: 0;
    border-bottom: none;
  }

  /* 三级菜单标题栏 */
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px 12px 50px;
    /* 左缩进 */
    border-bottom: 1px solid #f8f8f8;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item a {
    font-size: 14px;
    color: #666;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .two-item.active a {
    color: var(--theme);
  }

  /* 三级菜单内容容器 */
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .three-content {
    display: none;
  }

  /* --- 4. 型号列表 (双栏网格布局) --- */
  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .three-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 两列 */
    column-gap: 10px;
    /* 间距 */
    row-gap: 10px;
    padding: 15px 20px 20px 50px;
    /* 上下留白 */
    background-color: #fff;
    margin-top: 0;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .three-list .three-item {
    padding: 0;
    border: none;
    margin: 0;
    background-color: #f7f8fa;
    /* 卡片背景 */
    border-radius: 4px;
    overflow: hidden;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .three-list .three-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8px 5px;
    font-size: 13px;
    color: #555;
    line-height: 1.3;
    height: 100%;
    transition: all 0.2s;
    /* 防止文字超长 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .section-two .three-list .three-item a:active {
    background-color: #e60012;
    color: #fff;
  }

  /* 其他通用的底部导航样式兼容 */
  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 15px;
  }

  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap .item {
    width: 100%;
    flex-shrink: 0;
    margin-right: 0 !important;
    padding-left: calc(var(--padding)   1em);
    padding-right: calc(var(--padding)   1em);
    border-bottom: var(--border);
    padding-bottom: 10px;
    margin-bottom: 10px;
  }

  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap .item:last-child {
    margin-right: 0;
  }

  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap .item .pic {
    display: none;
  }

  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap .item .text {
    font-size: 14px;
    color: #666;
    margin-top: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    overflow-wrap: break-word;
    text-align: left;
  }

  .phone-nav .nav-item .item-bottom.about-head-bottom {
    padding-left: 1em;
    padding-right: 1em;
    overflow-wrap: break-word;
  }

  .phone-nav .nav-item .item-bottom.about-head-bottom .item {
    margin-top: 6px;
  }

  .phone-nav .nav-item .item-bottom.about-head-bottom .item .text {
    font-size: 14px;
    color: #666;
    text-align: center;
    transition: var(--duration);
  }

  .phone-nav .nav-item .item-bottom.about-head-bottom .item .text:hover {
    color: var(--theme);
  }
}

@media (max-width: 992px) {
  footer .footer-wrap {
    flex-wrap: wrap;
  }

  footer .footer-wrap .footer-left {
    width: 100%;
  }

  footer .footer-wrap .footer-right {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    order: -1;
    margin-bottom: 30px;
  }

  footer .footer-wrap .footer-right .foot-qrcode-area .item .img {
    width: 105px;
    height: 105px;
  }

  footer .footer-wrap .footer-right .foot-qrcode-area {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  footer .footer-wrap .footer-left .foot-nav {
    display: none;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item {
    margin-bottom: 15px;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t.active .t-link {
    color: var(--theme);
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t.active .phone-icon span:nth-child(1) {
    background-color: var(--theme);
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t.active .phone-icon span:nth-child(2) {
    transform: translate(-50%, -50%) rotate(90deg);
    background-color: var(--theme);
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .t-link {
    transition: var(--duration);
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item {
    margin-right: 0;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-b {
    display: none;
    padding-left: 1em;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .phone-icon {
    display: block;
    position: relative;
    width: 15px;
    height: 15px;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .phone-icon span {
    background-color: #333333;
    display: block;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--duration);
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .phone-icon span:nth-child(1) {
    width: 100%;
    height: 1px;
  }

  footer .footer-wrap .footer-left .foot-nav .nav-item .item-t .phone-icon span:nth-child(2) {
    width: 1px;
    height: 100%;
  }

  .foot-aside {
    display: none;
  }
}

@media (max-width: 576px) {
  :root {
    --header-height: 65px;
  }

  .header-wrap .logo img {
    width: 120px;
    object-fit: contain;
  }

  .header-wrap .other .lang .lang-head .icon img {
    width: 14px;
  }

  .header-wrap .other .head-contact {
    width: 80px;
    height: 30px;
    margin-left: 10px;
    display: none;
  }

  .phone-nav .nav-item .item-top a {
    font-size: 16px;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-top .item-link {
    font-size: 14px;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .b-item {
    width: 50%;
    padding-left: 10px;
    padding-right: 10px;
  }

  .phone-nav .nav-item .item-bottom .bottom-section .section-bottom .b-item .text {
    font-size: 12px;
  }

  .phone-nav .nav-item .item-bottom.common-head-bottom .head-bottom-wrap .item .pic {
    border-radius: 6px;
  }

  footer .footer-wrap .footer-left .foot-friend-link {
    flex-wrap: wrap;
  }

  footer .footer-wrap .footer-left .foot-friend-link .custom {
    width: 100%;
  }

  footer .footer-wrap .footer-left .foot-friend-link .friend-list {
    margin-left: 0;
    width: 100%;
    margin-top: 10px;
  }

  footer .footer-wrap .footer-left .foot-info p,
  footer .footer-wrap .footer-left .foot-info a,
  footer .footer-wrap .footer-left .foot-info span {
    line-height: 1.7;
  }

  footer .footer-wrap .footer-left .foot-follow {
    display: none;
  }

  .common-footer-link .list .item .text {
    margin-top: 10px;
  }

  footer {
    padding-bottom: 10px;
  }
}

/* =========================================
   修复导航栏 "english" 文字及图标颜色
   ========================================= */
.header-wrap .other .lang .lang-head .current-text a.text {
  color: inherit;
  text-decoration: none;
  transition: var(--duration);
}

header.active .header-wrap .other .lang .lang-head .current-text a.text,
header.hover .header-wrap .other .lang .lang-head .current-text a.text {
  color: #014099;
}

.header-wrap .other .lang .lang-head .current-text a.text:hover {
  color: var(--theme);
}

header.active .header-wrap .other .search img,
header.hover .header-wrap .other .search img,
header.active .header-wrap .other .lang .lang-head .icon img,
header.hover .header-wrap .other .lang .lang-head .icon img {
  filter: none;
  opacity: 1;
}