.brand-banner{
  width: 100%;
  padding-top: 1.32rem;
}
.brand-banner img {
  width: 100%;
  object-fit: cover;
}

/* ================= 品牌里程碑模块 ================= */

.brand-intro {
  width: 100%;
  background: #fff;
  padding:1.27rem 0 1.8rem 0;
  color: #999;
}
/* 超大红色描边英文 */
.brand-en-title {
  font-family: SourceHanSansCN-Heavy;
  font-size: 1.3rem;
  font-weight: bold;
  color: #fff;
  -webkit-text-stroke: 1px #c32626;
  letter-spacing: 0.1rem;
  margin-bottom: 0.43rem;
  text-align: center;
}

.brand-intro-wrap {
  width: 1680px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 左侧文字区 */
.brand-intro-left {
  width: 48%;
}

/* 年份标题 */
.brand-year {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #282828;
  margin-bottom: 0.6rem;
}

/* 说明文字 */
.brand-desc {
  font-family: SourceHanSansCN-Medium;
  font-size: 0.22rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.48rem;
  color: #282828;
  margin-bottom: 0.8rem;
}

/* 红色按钮组 */
.brand-tags {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.brand-tags span {
  background: #c32626;
  color: #fff;
  padding: 0.18rem 0.46rem;
  border-radius: 0.1rem;
  font-size: 0.26rem;
  font-weight: bold;
}

/* 按钮对应说明文字 */
.brand-tag-text {
  display: flex;
  gap: 1.1rem;
  font-family: SourceHanSansCN-Medium;
  font-size: 0.22rem;
  font-weight: normal;
  font-stretch: normal;
  color: #282828;
}

/* 右侧图片区 */
.brand-intro-right {
  width: 46%;
  display: flex;
  justify-content: flex-end;
}

.brand-img-wrap {
/*  padding: 0.36rem;*/
}

.brand-img-wrap img {
  width: 100%;
  display: block;
  border-radius: 0.12rem;
}


/* ================= 现代化工厂 ================= */

.factory-section {
  width: 100%;
}

/* 三段背景直接给 wrapper */
.factory-wrap {
  width: 1680px;
  margin: 0 auto;
  padding-bottom: 1.2rem;   /* 让红色区域能撑出来 */
  background: linear-gradient(
    to bottom,
    #f0f0f0 0%,     /* 灰色 */
    #f0f0f0 60%,    /* 灰色 60% */
    #ffffff 60%,   /* 白色开始 */
    #ffffff 80%,   /* 白色 20% */
    #c32626 80%,   /* 红色开始 */
    #c32626 100%   /* 红色 20% */
  );
  border-radius: 0.4rem 0.4rem 0 0;   /* 如果你设计稿是圆角 */
  overflow: hidden;       /* 防止子元素溢出 */
  padding:0.6rem;
}

/* 头部文案 */
.factory-header {
  text-align: center;
  margin-bottom: 0.8rem;
}

.factory-header h2 {
  font-family: SourceHanSansCN-Light;
  font-size: 0.46rem;
  font-weight: normal;
  font-stretch: normal;
  color: #282828;
  margin: 0.2rem 0 0 0;
}

.factory-header h3 {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.46rem;
  font-weight: bold;
  color: #282828;
  margin-bottom: 0.4rem;
}

.factory-header p {
  width: 100%;
  font-family: SourceHanSansCN-Medium;
  font-size: 0.22rem;
  font-weight: normal;
  font-stretch: normal;
  margin: 0 auto;
  line-height: 0.5rem;
  color: #282828;
  text-align: left;
}

/* 白色卡片 */
.factory-card {
  background: #fff;
  border-radius: 0.24rem;
  padding: 0.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* 主图 */
.factory-main-img img {
  width: 100%;
  height: auto;
  border-radius: 0.16rem;
  display: block;
  margin-bottom: 0.4rem;
}

/* 下方四图 */
.factory-sub-list {
  display: flex;
  justify-content: space-between;
  gap: 0.3rem;
}

.factory-sub-item {
  flex: 1;
  border-radius: 0.16rem;
  overflow: hidden;
}

.factory-sub-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 底部红色承托条 */
.factory-bottom-red {
  width: 100%;
  height: 1.2rem;
  background: #c32626;
  margin-top: -0.6rem;
}


/* ==========================
   创新研发中心 RESEARCH CENTER
   ========================== */

/* ==========================
   创新研发中心 RESEARCH CENTER
   ========================== */

.section-research {
    position: relative;
    padding: 2.4rem 0 1.26rem;
    /* 渐变背景：上80%红色，下20%灰色 */
    background: linear-gradient(to bottom, 
        #c72729 0%, 
        #c72729 68%, 
        #ffffff 68%, 
        #ffffff 100%
    );
    overflow: hidden;
    margin-top: 1.15rem;
}

/* 英文水印背景 - 宽度1680px，右对齐 */
.research-bg-text {
    position: absolute;
    top: 0.39rem;
    left: 50%;
    transform: translateX(-50%);
    width: 1680px;
    max-width: 100%;
    font-family: SourceHanSansCN-Heavy, sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0rem;
    color: transparent;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.15);
    text-stroke: 2px rgba(255, 255, 255, 0.15);
    opacity: 1;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    z-index: 1;
    text-align: right; /* 右对齐 */
}

/* 主体布局：左右两列 */
.research-wrap {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.2rem;
}

/* 左侧图片卡片容器 */
.research-left {
    width: 46%;
    flex-shrink: 0;
}

/* 白色圆角卡片 */
.research-card {
    background: #fff;
    border-radius: 20px;
    padding: 0.35rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* 上方大图 */
.research-img-top {
    width: 100%;
    height: 2.8rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 0.05rem;
}

.research-img-top img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.research-img-top:hover img {
    transform: scale(1.08);
}

/* 下方两张小图容器 */
.research-img-bottom {
    display: flex;
    gap: 0.07rem;
}

.research-img-item {
    width: 50%;
    height: 2.8rem;
    position: relative;
    overflow: hidden;
}

.research-img-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.research-img-item:hover img {
    transform: scale(1.08);
}

/* 右侧文字内容 */
.research-right {
    width: 50%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.research-content {
    color: #fff;
    text-align: right; /* 右对齐 */
}

.research-title {
    font-family: SourceHanSansCN-Heavy, sans-serif;
    font-size: 0.56rem;
    font-weight: bold;
    
}

.research-subtitle {
    font-family: SourceHanSansCN-Heavy, sans-serif;
    font-size: 0.56rem;
    font-weight: bold;
    margin-bottom: 1.4rem;
}

.research-divider {
    width: 0.4rem;
    height: 8px;
    background: #fff;
    margin-bottom: 0.21rem;
    margin-left: auto; /* 右对齐 */
    border-radius: 20px;
}

.research-desc {
    font-family: SourceHanSansCN-Medium, sans-serif;
    font-size: 0.19rem;
    line-height: 0.3rem;
    color: rgba(255, 255, 255, 0.95);
    text-align: right; /* 描述文字左对齐更易读 */
}

/* ===== 移动端适配 ===== */
@media screen and (max-width: 768px) {
    .section-research {
        padding: 0.8rem 0;
        background: linear-gradient(to bottom, 
            #c72729 0%, 
            #c72729 85%, 
            #f5f5f5 85%, 
            #f5f5f5 100%
        );
    }
    
    .research-bg-text {
        font-size: 0.8rem;
        top: 0.1rem;
        -webkit-text-stroke: 1px rgba(255, 255, 255, 0.12);
        padding-right: 0.4rem;
    }
    
    .research-wrap {
        flex-direction: column;
        gap: 0.6rem;
    }
    
    .research-left,
    .research-right {
        width: 100%;
    }
    
    .research-card {
        padding: 0.25rem;
        border-radius: 15px;
    }
    
    .research-img-top {
        padding-top: 60%;
        border-radius: 10px;
        margin-bottom: 0.2rem;
    }
    
    .research-img-bottom {
        gap: 0.2rem;
    }
    
    .research-img-item {
        padding-top: 60%;
        border-radius: 10px;
    }
    
    .research-content {
        text-align: center;
    }
    
    .research-title {
        font-size: 0.48rem;
        margin-bottom: 0.2rem;
    }
    
    .research-subtitle {
        font-size: 0.36rem;
        margin-bottom: 0.3rem;
    }
    
    .research-divider {
        width: 0.6rem;
        height: 2px;
        margin: 0 auto 0.4rem;
    }
    
    .research-desc {
        font-size: 0.28rem;
        line-height: 1.8;
        text-align: center;
    }
}

/* 超小屏幕优化 */
@media screen and (max-width: 375px) {
    .research-bg-text {
        font-size: 0.6rem;
    }
    
    .research-title {
        font-size: 0.42rem;
    }
    
    .research-subtitle {
        font-size: 0.32rem;
    }
    
    .research-desc {
        font-size: 0.26rem;
    }
}


/* ================= 研发团队 ================= */

.rnd-section {
  width: 100%;
  background: #fff;
  padding-bottom: 1.26rem;
  color: #fff;
}

.rnd-wrap {
  max-width: 1680px;
  margin: 0 auto;
}

/* 标题 */
.rnd-header {
  text-align: center;
  margin-bottom: 0.85rem;
}

.rnd-header h2 {
  font-family: SourceHanSansCN-Heavy;
  font-size: 1.3rem;
  font-weight: normal;
  font-stretch: normal;
  color: #fff;
  -webkit-text-stroke: 0.01rem #c32626;
  letter-spacing: 0.02rem;
}

.rnd-header p {
/*  margin-top: 0.3rem;*/
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.46rem;
  font-weight: bold;
  font-stretch: normal;
  color: #282828;
/*  line-height: 1rem;*/
}

/* 上半部分主结构 */
.rnd-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.91rem;
}

.rnd-intro {
  width: 40%;
  font-size: 16px;
  line-height: 1.9;
  color: #282828;
}
.rnd-intro p{
  margin-top: 0.2rem;
}
.rnd-intro span {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.17rem;
  font-weight: bold;
  font-stretch: normal;
  color: #c72729;
}

.rnd-image {
  width: 55%;
}

.rnd-image img {
  width: 100%;
  border-radius: 10px;
}

/* ================= 下半部分专家 ================= */

.rnd-expert-section {
  position: relative;
  width: 100%;
  background: #fff;
  padding: 2.08rem 0 1.07rem 0;
  overflow: hidden;
}
/* 顶部 20% 背景图层 */
.rnd-expert-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 42%;
  background: url("../images/brand_teambg.png") center center no-repeat;
  background-size: cover;
  z-index: 1;
}

.rnd-expert-list {
  position: relative;
  z-index: 2;
  max-width: 1680px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.57rem;
}

/* 专家卡片 */
.expert-item {
  background: rgba(255,255,255,0.95);
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.expert-item img {
  width: 100%;
  border-radius: 16px;
/*  margin-bottom: 1.43rem;*/
}

.expert-item_tit{
  position: absolute;
  bottom: 2.2rem;
  left: 0;
  right: 0;
  padding: 0.5rem 0.5rem 0.15rem 0.5rem;
  text-align: center;
}
.expert-item h3 {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.3rem;
  font-weight: bold;
  font-stretch: normal;
  color: #fff;
  margin-bottom: 8px;
}

.expert-item p {
  font-family: SourceHanSansCN-Medium;
  font-size: 0.21rem;
  font-weight: normal;
  font-stretch: normal;
  color: rgba(255, 255, 255, 0.7);
}

/* 悬停微交互 */
/*.expert-item:hover {
  transform: translateY(-0.71rem);
  box-shadow: 0 1.43rem 2.86rem rgba(0,0,0,0.25);
}*/

.expert-item_bi{
  text-align: left;
  margin-top: 0.6rem;
}
.expert-item_bi p{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.19rem;
  line-height: 0.33rem;
  font-weight: normal;
  font-stretch: normal;
  color: #282828;
  position: relative;
  padding-left: 0.11rem;
}
.expert-item_bi p:before{
  content: "";
    width: 6px;
    height: 6px;
    background: #c72729;
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 14px;
}


/* ================= 专利矩阵 ================= */

.patent-section {
  width: 100%;
  background: #fff;
  padding-bottom: 1.03rem;
}

/* 顶部红色横幅 */
.patent-banner {
  width: 100%;
  height: 2.89rem;
  background: url("../images/brand_certificatebg.png") center/cover no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.patent-banner h2 {
  font-family: SourceHanSansCN-Normal;
  font-size: 0.46rem;
  color: #fff;
  margin-bottom: 0.1rem;
}

.patent-banner p {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #fff;
}

/* 专利展示墙 */
.patent-wall {
  width: 1680px; /* 1680px */
  margin: 0.57rem auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background-color: #fff;
  position: relative;
}

/* 每一排 */
.patent-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0.2rem;

}

/* 证书卡片通用 */
.patent-item {
  background: #fff;
}

.patent-item img {
  width: 100%;
  display: block;
}

/* 上方主证书（最大） */
.patent-item.main {
  max-width: 100%;
}

/* 下方小证书 */
.patent-item.small {
  width: 100%;
}

.patent-shelf{
  position: absolute;
  width: 100%;
  height: 0.28rem;
  background: linear-gradient(to bottom, #c72729 0%,#c72729 68%, #5c1011 68%,#5c1011 100%);
  left: 0;
  bottom: -0.3rem;
}





/*营销推广力*/
.marketing_pro_section{
  width: 100%;
  text-align: center;
  background-image: url(../images/marketing_probg.png);
  background-size: cover;
  background-repeat: no-repeat;
  padding-bottom:0.88rem;
  padding-top: 0.79rem;
}
.marketing_pro_top{
  text-align: center;
  padding-bottom: 0.85rem;
}
.marketing_pro_top h2{
  font-family: SourceHanSansCN-Normal;
  font-size: 0.46rem;
  font-weight: normal;
  font-stretch: normal;
  color: #fff;
  margin-bottom: 0.1rem;
}
.marketing_pro_top p{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #fff;
}
.marketing_pro_row{
  max-width: 1680px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0.2rem;
  margin: 0 auto;
}
.marketing_pro_item{
  width: 20%;
}
.marketing_pro_item img{
  width: 100%;
  padding-bottom: 0.24rem;
}
.marketing_pro_item p{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.19rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.33rem;
  color: #efefef;
}




/*短视频*/
.short_video_section{
  width: 100%;
  text-align: center;
  padding: 0.87rem 0 1.1rem 0;
}
.short_video_top{
  text-align: center;
  padding-bottom: 0.85rem;
}
.short_video_top h2{
  font-family: SourceHanSansCN-Normal;
  font-size: 0.46rem;
  font-weight: normal;
  font-stretch: normal;
  color: #282828;
  padding-bottom: 0.1rem;
}
.short_video_top span{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.46rem;
  font-weight: bold;
  color: #000;
  margin-bottom: 0.28rem;
  box-sizing: border-box;
  display: block;
}
.short_video_top p{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.28rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.56rem;
  color: #282828;
}
.short_video_row{
  max-width: 1680px;
  margin: 0 auto;
}
.short_video_item{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding-bottom: 0.99rem;
}
.short_video_item img{
  width: 3.48rem;
  height: 6.51rem;
}
.short_video_item_two{
  width: 100%;
  max-width: 1680px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0.43rem;
  margin: 0 auto;
  overflow: hidden;
}
.short_video_item_two img{
  width: 33.33%;
}




/*抖音云连锁赋能*/
.douyin_empowerment_section{
  width: 100%;
  text-align: center;
  padding: 0.65rem 0 0rem 0;
  position: relative;
}
.douyin_empowerment_section:before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80%;
  background: url(../images/douyin_empowermentbg.png) center center no-repeat;
  background-size: cover;
  z-index: -1;
}
.douyin_empowerment_top{
  text-align: center;
  padding-bottom: 0.48rem;
}
.douyin_empowerment_top h2{
  font-family: SourceHanSansCN-Normal;
  font-size: 0.46rem;
  font-weight: normal;
  font-stretch: normal;
  color: #efefef;
}
.douyin_empowerment_top span{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #efefef;
  padding-bottom: 0.47rem;
  display: block;
  box-sizing: border-box;
}
.douyin_empowerment_top p{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.28rem;
  color: #efefef;
}
.douyin_empowerment_row{
  max-width: 1680px;
  margin: 0 auto;
}
.douyin_empowerment_information{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.03rem;
}
.douyin_empowerment_item{
  width: 30%;
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  border-radius: 0.2rem;
  padding:0.79rem 0rem;
}
.douyin_empowerment_item .number{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.48rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.5rem;
  color: #282828;
  padding-bottom: 0.37rem;
}
.douyin_empowerment_item .number span{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.95rem;
  font-weight: bolder;
  color: #c72729;
}
.douyin_empowerment_item p{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.48rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.5rem;
  color: rgba(40, 40, 40, 0.7);
}
.douyin_empowerment_shower{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.douyin_empowerment_shower img{
  width: 14%;
}
.douyin_empowerment_tit{
  font-family: SourceHanSansCN-Medium;
  font-size: 0.19rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.36rem;
  color: rgba(40, 40, 40, 0.5);
  padding-top: 0.55rem;
  text-align: right;
}


/* ================= 环球游学之旅 ================= */

.world-trip-section {
  width: 100%;
  background: #fff;
  padding: 1.71rem 0 0.95rem;
  overflow: hidden;
  position: relative;
}

/* 标题区 */
.world-trip-header {
  text-align: center;
  margin-bottom: 0.8rem;
}

.world-trip-header h2 {
  font-family: SourceHanSansCN-Normal;
  font-size: 0.56rem;
  font-weight: normal;
  font-stretch: normal;
  color: #c72729;
  margin-bottom: 0.1rem;
}

.world-trip-header p {
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #282828;
}

/* 轨道包裹 */
.world-trip-track {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  position: absolute;   /* ✅ 必须 absolute */
  left: 0;              /* ✅ 必须有 left */
  top: 0;
  z-index: 2;

  max-width: 1680px;
  margin: 0 auto;
}


/* 图片轨道 */
.world-trip-track {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.4rem;
  position: relative;
  z-index: 2;
}

/* 单个节点 */
.trip-item {
  width: 5rem;
  text-align: center;
  position: relative;
}

/* 图片样式 */
.trip-img {
  width: 100%;
  height: 2.37rem;
  border-radius: 0.1rem;
  overflow: hidden;
  margin-bottom: 0.38rem;
}

.trip-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 红点 */
.trip-dot {
  width: 0.2rem;
  height: 0.2rem;
  background: #e60012;
  border-radius: 50%;
  margin: 0 auto 0.25rem;
  position: relative;
  z-index: 3;
}

/* 日期 */
.trip-date {
  font-family: SourceHanSansCN-Bold;
  font-size: 0.28rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.33rem;
  color: #c72729;
  margin-bottom: 0.1rem;
}

/* 说明文字 */
.trip-text {
  font-family: SourceHanSansCN-Medium;
  font-size: 0.19rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.33rem;
  color: #282828;
}

/* 中央红色时间线 */
.trip-line {
  width: 100%;
  height: 0.04rem;
  background: #e60012;
  position: absolute;
  left: 0;
/*  bottom: 2.37rem;*/
  bottom: 2.05rem;
  z-index: 1;
}


/* ========== 单图轮播：助力加盟商无忧创业 ========== */

.support-carousel-section {
  width: 100%;
  overflow: hidden;
}

/* 轮播容器 */
.support-carousel-wrap {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

/* 轨道 */
.support-carousel-track {
  display: flex;
  transition: transform 0.6s ease;
}

/* 单张一屏 */
.support-group {
  width: 100%;
  flex-shrink: 0;
/*  border-radius: 0.2rem;*/
  overflow: hidden;
}

.support-group img {
  width: 100%;
  height: 9.63rem;
  object-fit: cover;
  display: block;
/*  border-radius: 0.2rem;*/
}

/* 圆点 */
.support-dots {
  display: flex;
  justify-content: center;
  gap: 0.12rem;
  margin-top: 0.4rem;
}

.support-dots span {
  width: 0.12rem;
  height: 0.12rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: 0.3s;
}

.support-dots span.active {
  background: #e60012;
}




/*修氏总裁到店指导*/
.guidance_section{
  width: 100%;
  text-align: center;
  background: linear-gradient(to bottom, #ffffff 0%, #ffffff 68%, #f5f5f5 68%, #f5f5f5 100%);
  padding-bottom: 0.74rem;
  padding-top: 0.93rem;
}
.guidance_header{
  text-align: center;
  padding-bottom: 0.85rem;
}
.guidance_header h2 {
    font-family: SourceHanSansCN-Normal;
    font-size: 0.56rem;
    font-weight: normal;
    font-stretch: normal;
    color: #c72729;
    margin-bottom: 0.1rem;
}
.guidance_header p {
    font-family: SourceHanSansCN-Heavy;
    font-size: 0.56rem;
    font-weight: bold;
    color: #000;
}
.guidance_row{
  max-width: 1680px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0.2rem;
  margin: 0 auto;
}
.guidance_item {
  width: 16.6%;
}
.guidance_item img {
    width: 100%;
}

/*导师团队*/
.mentor_team_section{
  width: 100%;
  text-align: center;
  background: linear-gradient(to bottom, #ffffff 0%, #ffffff 28%,#c72729 28%,#c72729 37%,#ffffff 37%, #ffffff 48.5%,#c72729 48.5%,#c72729 82.5%,#ffffff 82.5%, #ffffff 100%);
  padding-bottom: 0.99rem;
  padding-top: 1.31rem;
}
.mentor_team_header{
  text-align: center;
  padding-bottom: 0.85rem;
}

.mentor_team_header h2 {
    font-family: SourceHanSansCN-Normal;
    font-size: 0.56rem;
    font-weight: normal;
    font-stretch: normal;
    color: #c72729;
    margin-bottom: 0.1rem;
}
.mentor_team_header p {
    font-family: SourceHanSansCN-Heavy;
    font-size: 0.56rem;
    font-weight: bold;
    color: #000;
}
.mentor_team_row{
  max-width: 1680px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 0.51rem;
  margin: 0 auto;
  padding-bottom: 2.2rem;
}
.mentor_team_item {
  width: 30%;
}
.mentor_team_item img {
    width: 100%;
    border-radius: 15px;
    margin-bottom: 0.12rem;
    box-shadow: -0.07rem -0.07rem 0.17rem 0rem 
    rgba(40, 40, 40, 0.5);
}
.mentor_team_item p{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.28rem;
  font-weight: bolder;
  font-stretch: normal;
  line-height: 0.5rem;
  color: #ffffff;
}
.course_acquisition{
  max-width: 1680px;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: flex-start;
  margin: 0 auto;
}
.course_acquisition_conten{
  width: 34%;
  text-align: left;
}
.course_acquisition_conten p{
  font-family: SourceHanSansCN-Normal;
  font-size: 0.56rem;
  font-weight: normal;
  font-stretch: normal;
  color: #d3d3d4;
}
.course_acquisition_conten span{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.56rem;
  font-weight: bold;
  color: #ffffff;
}
.course_acquisitionimg{
  width: 66%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.course_acquisitionimg img{
  width: 33%;
  height: auto;
  object-fit: cover;
}

/*高效进阶*/
.efficiency_section{
  width: 100%;
  text-align: center;
  background: linear-gradient(to bottom, #e6e6e6 0%, #e6e6e6 17%,#ffffff 17%, #ffffff 100%);
  padding-bottom: 0.36rem;
  padding-top: 0.58rem;
} 
.efficiency_header{
  text-align: center;
  padding-bottom: 1.11rem;
}
.efficiency_header h2 {
    font-family: SourceHanSansCN-Normal;
    font-size: 0.56rem;
    font-weight: normal;
    font-stretch: normal;
    color: #c72729;
    margin-bottom: 0.1rem;
}
.efficiency_header p {
    font-family: SourceHanSansCN-Heavy;
    font-size: 0.56rem;
    font-weight: bold;
    color: #000;
}
.efficiency_list{
  max-width: 1680px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.37rem;
  margin: 0 auto;
}
.efficiency_item{
  width: 28%;
  height: 3.93rem;
  background-color: #c72729;
  border-radius: 0.3rem;
}
.efficiency_item p{
  font-family: OPPOSans-M;
  font-size: 0.18rem;
  line-height: 0.31rem;
  color: #ffffff;
  text-align: left;
  padding-left: 0.29rem;
}
.efficiency_item_top{
  background-color: #ffffff;
  border-radius: 0.3rem;
  border: solid 0.01rem #c72729;
  margin-bottom: 0.14rem;
}

.efficiency_item_top span{
  font-family: OPPOSans-L;
  font-size: 1.11rem;
  font-weight: lighter;
  color: #c72729;
  text-align: center;
}
.efficiency_item_top p{
  font-family: SourceHanSansCN-Heavy;
  font-size: 0.28rem;
  font-weight: bold;
  color: #282828;
  text-align: center;
  padding-bottom: 0.53rem;
  padding-left: 0rem;
}


/* ==========================================
   移动端响应式改造 (max-width: 750px)
   ========================================== */

@media screen and (max-width: 750px) {
    
    /* ========== 1. 全局rem系统重设 ========== */
    html {
        /* 关键：重新计算rem基准，使得所有rem单位自动缩放 */
        font-size: calc(100vw / 750 * 100);
    }
    
    body {
        font-size: 0.28rem;
        padding-top: 0.8rem;
    }
    
    .layout {
        max-width: 100%;
        padding: 0 0.3rem;
    }
    
    
    /* ========== 2. 品牌介绍模块 ========== */
    .brand-banner {
        padding-top: 0rem;
    }
    
    .brand-banner img {
        width: 100%;
        height: auto;
    }
    
    /* 品牌英文标题 */
    .brand-en-title {
        font-size: 0.7rem;
        letter-spacing: 0.08rem;
        margin-bottom: 0.3rem;
        -webkit-text-stroke: 0.8px #c32626;
    }
    .brand-intro{
      padding: 0.6rem 0 0.8rem 0;
    }
    
    /* 核心改造：左右并排 → 上下堆叠 */
    .brand-intro-wrap {
        width: 100%;
        display: flex;
        flex-direction: column;  /* ✅ 改为列方向 */
        justify-content: flex-start;
        align-items: stretch;
        gap: 0.4rem;
    }
    
    .brand-intro-left {
        width: 100% !important;
        order: 1;  /* 文字在上 */
        padding: 0 0.2rem;
    }
    
    .brand-intro-right {
        width: 100% !important;
        order: 2;  /* 图片在下 */
        display: flex;
        justify-content: center;
        margin-top: 0.3rem;
    }
    
    .brand-img-wrap {
        width: 90%;
        max-width: 100%;
    }
    
    .brand-year {
        font-size: 0.42rem;
        margin-bottom: 0.4rem;
    }
    
    .brand-desc {
        font-size: 0.24rem;
        line-height: 0.48rem;
        margin-bottom: 0.5rem;
    }
    
    .brand-tags {
        flex-wrap: wrap;
        gap: 0.6rem;
        margin-bottom: 0.3rem;
    }
    
    .brand-tags span {
        padding: 0.15rem 0.35rem;
        font-size: 0.22rem;
        border-radius: 0.08rem;
    }
    
    .brand-tag-text {
        flex-direction: row;
        gap: 0.6rem;
        font-size: 0.19rem;
    }
    
    
    /* ========== 3. 现代化工厂模块 ========== */
    .factory-wrap {
        width: 100%;
        padding: 0.4rem 0.25rem;
        background: linear-gradient(
            to bottom,
            #f0f0f0 0%,
            #f0f0f0 50%,
            #ffffff 50%,
            #ffffff 75%,
            #c32626 75%,
            #c32626 100%
        );
        border-radius: 0.25rem 0.25rem 0 0;
    }
    
    .factory-header {
        margin-bottom: 0.5rem;
    }
    
    .factory-header h2 {
        font-size: 0.36rem;
        margin-bottom: 0.15rem;
    }
    
    .factory-header h3 {
        font-size: 0.42rem;
        margin-bottom: 0.25rem;
    }
    
    .factory-header p {
        font-size: 0.24rem;
        line-height: 0.42rem;
        text-align: center;
    }
    
    .factory-card {
        border-radius: 0.16rem;
        padding: 0.3rem;
    }
    
    .factory-main-img img {
        margin-bottom: 0.25rem;
        border-radius: 0.12rem;
    }
    
    .factory-sub-list {
        gap: 0.2rem;
    }
    
    .factory-sub-item {
        flex: 1;
        border-radius: 0.12rem;
    }
    
    .factory-bottom-red {
        height: 0.8rem;
        margin-top: -0.4rem;
    }
    
    
    /* ========== 4. 创新研发中心 ========== */
    .section-research {
        padding: 0.6rem 0 0.8rem;
        background: linear-gradient(
            to bottom,
            #c72729 0%,
            #c72729 75%,
            #ffffff 75%,
            #ffffff 100%
        );
    }
    
    .research-bg-text {
        font-size: 0.6rem;
        top: 0.2rem;
        -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
        opacity: 0.15;
    }
    
    /* 核心改造：两列 → 一列 */
    .research-wrap {
        flex-direction: column;  /* ✅ 改为列方向 */
        gap: 0.4rem;
        padding: 0 0.2rem;
    }
    
    .research-left,
    .research-right {
        width: 100% !important;
    }
    
    .research-card {
        padding: 0.25rem;
        border-radius: 12px;
    }
    
    .research-img-top {
        height: 2rem;
        margin-bottom: 0.15rem;
        border-radius: 8px;
    }
    
    .research-img-bottom {
        gap: 0.15rem;
    }
    
    .research-img-item {
        height: 2rem;
        border-radius: 8px;
    }
    
    .research-content {
        text-align: center;  /* ✅ 改为居中 */
        color: #000;
    }
    
    .research-title {
        font-size: 0.42rem;
        margin-bottom: 0.2rem;
    }
    
    .research-subtitle {
        font-size: 0.36rem;
        margin-bottom: 0.3rem;
    }
    
    .research-divider {
        width: 0.5rem;
        height: 2px;
        margin: 0.25rem auto;
        background-color: #000;
    }
    
    .research-desc {
        font-size: 0.24rem;
        line-height: 1.6;
        text-align: center;
        color: #000;
    }
    
    
    /* ========== 5. 研发团队模块 ========== */
    .rnd-header {
        margin-bottom: 0.5rem;
    }
    
    .rnd-header h2 {
        font-size: 0.9rem;
        -webkit-text-stroke: 0.5px #c32626;
        margin-bottom: 0.15rem;
    }
    
    .rnd-header p {
        font-size: 0.42rem;
    }
    
    /* 核心改造：两列 → 一列 */
    .rnd-main {
        flex-direction: column;  /* ✅ 改为列方向 */
        gap: 0.3rem;
        padding: 0 0.2rem;
    }
    
    .rnd-intro {
        width: 100% !important;
    }
    
    .rnd-intro p {
        font-size: 0.24rem;
        line-height: 1.6;
        margin-top: 0.2rem;
    }
    
    .rnd-intro span {
        font-size: 0.18rem;
        color: #c72729;
    }
    
    .rnd-image {
        width: 100% !important;
    }
    
    .rnd-image img {
        border-radius: 8px;
    }
    
    /* 专家列表：4列 → 2列或1列 */
    .rnd-expert-list {
        grid-template-columns: repeat(2, 1fr);  /* ✅ 改为2列 */
        gap: 0.3rem;
        padding: 0 0.15rem;
    }

    .rnd-expert-section{
      padding: 1.08rem 0 0.6rem 0;
    }
    
    /* 超小屏（375px）改为1列 */
    @media (max-width: 375px) {
        .rnd-expert-list {
            grid-template-columns: 1fr;
        }
    }
    
    .expert-item {
        border-radius: 12px;
        position: relative;
    }
    
    .expert-item img {
        width: 100%;
        border-radius: 12px;
    }
    
    .expert-item_tit {
        position: absolute;
        bottom: 2.6rem;
        padding: 0.4rem 0.35rem 0.1rem;
    }
    
    .expert-item h3 {
        font-size: 0.32rem;
        margin-bottom: 0.1rem;
    }
    
    .expert-item p {
        font-size: 0.18rem;
    }
    
    .expert-item_bi {
        padding: 0.4rem 0.3rem;
        margin-top: 0rem;
    }
    
    .expert-item_bi p {
        font-size: 0.16rem;
        line-height: 0.28rem;
        margin-bottom: 0.15rem;
    }

    .expert-item_bi p:before{
      top: 4px;
    }
    
    
    /* ========== 6. 专利矩阵 ========== */
    .patent-banner {
        height: 1.8rem;
    }
    
    .patent-banner h2 {
        font-size: 0.36rem;
        margin-bottom: 0.1rem;
    }
    
    .patent-banner p {
        font-size: 0.42rem;
    }
    
    .patent-wall {
        width: 100%;
        padding: 0.3rem 0.15rem;
        gap: 0.5rem;
    }
    
    /* 改造：证书卡片从大到小重排 */
    .patent-row.single-row {
        margin-bottom: 0.3rem;
    }
    
    .patent-item.main {
        max-width: 100%;
        /*width: 80%;*/
        margin: 0 auto;
    }
    
    .patent-row.bottom-row {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.15rem;
    }
    
    .patent-item.small {
        width: calc(50% - 0.075rem);  /* 2列布局 */
        max-width: 100%;
    }
    
    .patent-shelf {
        height: 0.2rem;
        bottom: -0.25rem;
    }
    
    
    /* ========== 7. 营销推广力 ========== */
    .marketing_pro_section {
        padding: 0.5rem 0.2rem;
    }
    
    .marketing_pro_top {
        padding-bottom: 0.5rem;
    }
    
    .marketing_pro_top h2 {
        font-size: 0.36rem;
        margin-bottom: 0.08rem;
    }
    
    .marketing_pro_top p {
        font-size: 0.42rem;
    }
    
    /* 核心改造：5列 → 1列堆叠 */
    .marketing_pro_row {
        flex-direction: column;  /* ✅ 改为列方向 */
        gap: 0.3rem;
        padding: 0 0.1rem;
    }
    
    .marketing_pro_item {
        width: 100% !important;
    }
    
    .marketing_pro_item img {
        width: 100%;
        padding-bottom: 0.15rem;
        border-radius: 8px;
    }
    
    .marketing_pro_item p {
        font-size: 0.28rem;
        line-height: 0.48rem;
        padding: 0 0.1rem;
    }
    
    
    /* ========== 8. 短视频模块 ========== */
    .short_video_section {
        padding: 0.5rem 0 0.6rem;
    }
    
    .short_video_top {
        padding-bottom: 0.5rem;
    }
    
    .short_video_top h2 {
        font-size: 0.36rem;
        padding-bottom: 0.08rem;
    }
    
    .short_video_top span {
        font-size: 0.42rem;
        margin-bottom: 0.2rem;
    }
    
    .short_video_top p {
        font-size: 0.22rem;
        line-height: 0.42rem;
        padding: 0 0.1rem;
    }
    
    /* 改造：视频网格为2列 */
    .short_video_item {
        gap: 0.2rem;
        padding-bottom: 0.6rem;
        justify-content: center;
    }
    
    .short_video_item img {
        width: calc(50% - 0.2rem);
        height: auto;
        aspect-ratio: 9 / 16;
        object-fit: cover;
        border-radius: 8px;
    }
    
    /* 底部3图改为1列 */
    .short_video_item_two {
        flex-direction: column;
        gap: 0.2rem;
        margin-top: 0.3rem;
    }
    
    .short_video_item_two img {
        width: 100%;
        height: auto;
        aspect-ratio: auto;
    }
    
    
    /* ========== 9. 抖音云连锁赋能 ========== */
    .douyin_empowerment_section {
        padding: 0.4rem 0.2rem;
    }
    
    .douyin_empowerment_top {
        padding-bottom: 0.35rem;
    }
    
    .douyin_empowerment_top h2 {
        font-size: 0.36rem;
    }
    
    .douyin_empowerment_top span {
        font-size: 0.42rem;
        padding-bottom: 0.3rem;
    }
    
    .douyin_empowerment_top p {
        font-size: 0.22rem;
    }
    
    /* 核心改造：3列 → 1列 */
    .douyin_empowerment_information {
        flex-direction: column;  /* ✅ 改为列方向 */
        gap: 0.25rem;
        padding: 0.5rem 0;
    }
    
    .douyin_empowerment_item {
        width: 100% !important;
        padding: 0.8rem 0.3rem;
        border-radius: 0.15rem;
    }
    
    .douyin_empowerment_item .number {
        font-size: 0.42rem;
        padding-bottom: 0.3rem;
    }
    
    .douyin_empowerment_item .number span {
        font-size: 1rem;
    }
    
    .douyin_empowerment_item p {
        font-size: 0.36rem;
    }
    
    /* 图片墙改为2列 */
    .douyin_empowerment_shower {
        gap: 0.1rem;
    }
    
    .douyin_empowerment_shower img {
        width: calc(33.33% - 0.07rem);  /* 3列 */
    }
    
    .douyin_empowerment_tit {
        font-size: 0.16rem;
        padding-top: 0.35rem;
    }
    
    
    /* ========== 10. 环球游学之旅 ========== */
    .world-trip-section {
        padding: 0.8rem 0.2rem 0.6rem;
    }
    
    .world-trip-header {
        margin-bottom: 0.5rem;
    }
    
    .world-trip-header h2 {
        font-size: 0.42rem;
    }
    
    .world-trip-header p {
        font-size: 0.24rem;
    }
    
    /* 核心改造：横向轨道 → 纵向堆叠 */
    .world-trip-track-wrap {
        position: relative;
        width: 100%;
    }
    
    .world-trip-track {
        flex-direction: column;  /* ✅ 改为列方向 */
        gap: 0.3rem;
        position: static !important;
        padding: 0.2rem 0;
    }
    
    .trip-item {
        width: 100% !important;
        text-align: center;
        padding: 0.2rem;
    }
    
    .trip-img {
        height: 4.5rem;
        margin-bottom: 0.2rem;
        border-radius: 0.08rem;
    }
    
    .trip-dot {
        margin: 0 auto 0.15rem;
    }
    
    .trip-date {
        font-size: 0.22rem;
        margin-bottom: 0.08rem;
    }
    
    .trip-text {
        font-size: 0.18rem;
        line-height: 0.28rem;
    }
    
    /* 时间线隐藏或改为竖线 */
    .trip-line {
        display: none;  /* 移动端隐藏横线 */
    }
    
    
    /* ========== 11. 助力加盟商轮播 ========== */
    .support-carousel-section {
        padding: 0;
    }
    
    .support-group img {
        height: 4rem;
        object-fit: contain;
    }
    
    .support-dots {
        margin-top: 0.25rem;
        gap: 0.08rem;
    }
    
    .support-dots span {
        width: 0.08rem;
        height: 0.08rem;
    }
    
    
    /* ========== 12. 修氏总裁到店指导 ========== */
    .guidance_section {
        padding: 0.5rem 0.2rem;
    }
    
    .guidance_header {
        padding-bottom: 0.5rem;
    }
    
    .guidance_header h2 {
        font-size: 0.42rem;
    }
    
    .guidance_header p {
        font-size: 0.24rem;
    }
    
    /* 改造：6列 → 2列 */
    .guidance_row {
        flex-wrap: wrap;
        gap: 0.2rem;
        padding: 0 0.1rem;
    }
    
    .guidance_item {
        width: calc(50% - 0.1rem) !important;
    }
    
    .guidance_item img {
        border-radius: 8px;
    }
    
    
    /* ========== 13. 导师团队 ========== */
    .mentor_team_section {
        padding: 0.5rem 0.2rem;
        background: linear-gradient(
            to bottom,
            #ffffff 0%,
            #ffffff 15%,
            #c72729 15%,
            #c72729 25%,
            #ffffff 25%,
            #ffffff 35%,
            #c72729 35%,
            #c72729 70%,
            #ffffff 70%,
            #ffffff 100%
        );
    }
    
    .mentor_team_header {
        padding-bottom: 0.5rem;
    }
    
    .mentor_team_header h2 {
        font-size: 0.36rem;
    }
    
    .mentor_team_header p {
        font-size: 0.24rem;
    }
    
    /* 核心改造：3列 → 2列或1列 */
    .mentor_team_row {
        grid-template-columns: repeat(2, 1fr);  /* ✅ 改为2列 */
        gap: 0.3rem;
        padding: 0rem 0rem 2rem;
    }
    
    /* 超小屏改为1列 */
    @media (max-width: 375px) {
        .mentor_team_row {
            grid-template-columns: 1fr;
        }
    }
    
    .mentor_team_item img {
        border-radius: 5px;
        margin-bottom: 0.1rem;
        box-shadow: -0.05rem -0.05rem 0.12rem rgba(40, 40, 40, 0.3);
    }
    
    .mentor_team_item p {
        font-size: 0.23rem;
        line-height: 0.4rem;
    }
    
    /* 课程获取改为堆叠 */
    .course_acquisition {
        flex-direction: column;
        padding: 0.3rem 0.1rem;
    }
    
    .course_acquisition_conten {
        width: 100% !important;
        margin-bottom: 0.3rem;
        text-align: center;
    }
    
    .course_acquisition_conten p {
        font-size: 0.42rem;
    }
    
    .course_acquisition_conten span {
        font-size: 0.42rem;
    }
    
    .course_acquisitionimg {
        width: 100% !important;
        gap: 0.1rem;
    }
    
    .course_acquisitionimg img {
        width: 30%;
        border-radius: 8px;
    }
    
    
    /* ========== 14. 高效进阶 ========== */
    .efficiency_section {
        padding: 0.5rem 0.2rem;
        background: linear-gradient(
            to bottom,
            #e6e6e6 0%,
            #e6e6e6 10%,
            #ffffff 10%,
            #ffffff 100%
        );
    }
    
    .efficiency_header {
        padding-bottom: 0.8rem;
    }
    
    .efficiency_header h2 {
        font-size: 0.36rem;
    }
    
    .efficiency_header p {
        font-size: 0.42rem;
    }
    
    /* 核心改造：多列 → 1列 */
    .efficiency_list {
        flex-direction: row;
        justify-content: flex-start;
        gap: 0.25rem;
        padding: 0 0.1rem;
    }
    
    .efficiency_item {
        width: 48% !important;
        height: auto;
        padding: 0.4rem 0.25rem;
        border-radius: 0.2rem;
    }
    
    .efficiency_item_top {
        margin-bottom: 0.1rem;
    }
    
    .efficiency_item_top span {
        font-size: 0.72rem;
    }
    
    .efficiency_item_top p {
        font-size: 0.24rem;
        padding-bottom: 0.15rem;
    }
    
    .efficiency_item p {
        font-size: 0.16rem;
        line-height: 0.26rem;
        margin-bottom: 0.08rem;

    }
    
}


/* ==========================================
   超小屏幕优化 (max-width: 375px)
   ========================================== */

@media screen and (max-width: 375px) {
    
    .brand-en-title {
        font-size: 0.75rem;
    }
    
    .section-research {
        padding: 0.4rem 0 0.5rem;
    }
    
    .research-bg-text {
        font-size: 0.5rem;
    }
    
    .rnd-header h2 {
        font-size: 0.75rem;
    }
    
    .mentor_team_row {
        grid-template-columns: 1fr;  /* 强制1列 */
    }
    
    .short_video_item img {
        width: 100%;
    }
}