.rightint-about {
  padding: 70px 0;
}

.rightint-about .container {
  overflow: auto;
}

.rightint-about .txt h3 {
  font-size: 32px;
  line-height: 1.2; /* 增加行高，避免文字拥挤 */
  text-transform: uppercase;
  color: #3b3535;
  font-weight: 600;
  letter-spacing: -0.8px; /* 加大负间距，让大写单词更紧凑 */
  word-spacing: -2px; /* 直接缩小单词间间距（核心） */
  white-space: nowrap; /* 禁止标题换行，避免换行导致的间距异常 */
  display: inline-block; /* 让标题宽度贴合内容，不拉伸 */
}

.rightint-about .txt h3::after {
  content: "";
  width: 40px;
  height: 3px;
  background: #3b3535;
  display: block;
  margin: 15px 0 20px;
}

.rightint-about .txt .rich-text {
  font-size: 17px;
  color: #333;
  line-height: 1.8; /* 优化行高，提升可读性 */
  margin: 20px 0 0;
  text-align: left !important; /* 强制左对齐，彻底禁用两端对齐（核心） */
  word-spacing: -1px; /* 缩小单词间距，按需调整负值大小 */
  letter-spacing: 0;
  hyphens: none !important; /* 禁用单词断字，避免断字导致的间距错觉 */
  -webkit-hyphens: none !important;
  white-space: normal;
}

.rightint-about .txt .t {
  font-size: 17px;
  color: #333;
  line-height: 30px;
  margin: 20px 0 0;
  text-align: left !important; /* 同上面，强制左对齐 */
  word-spacing: -1px; /* 统一单词间距设置 */
  letter-spacing: 0;
  hyphens: none !important;
  -webkit-hyphens: none !important;
}
.rightint-about .txt .t p ~ p {
  margin-top: 10px;
}

/* 新增：强制重置所有文本元素的间距属性，避免继承干扰 */
.rightint-about .txt * {
  word-spacing: inherit !important;
  letter-spacing: inherit !important;
  text-align: inherit !important;
  hyphens: inherit !important;
  -webkit-hyphens: inherit !important;
}

.rightint-about .pic {
  float: right;
  margin: 0 0 0 50px;
  width: 55%;
  display: block;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
.rightint-about .pic img {
  width: 100%;
  display: block;
  transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
}

@media screen and (max-width: 1200px) {
  /* 中屏调整图片宽度，避免文本区域过窄导致间距拉伸 */
  .rightint-about .pic {
    width: 50%;
    margin-left: 30px;
  }
}

@media screen and (max-width: 992px) {
  .rightint-about .pic {
    width: 45%;
    margin-left: 20px;
  }
}

@media screen and (max-width: 768px) {
  .rightint-about .pic {
    float: none;
    width: 100%;
    margin: 0 0 20px;
  }

  .rightint-about .txt h3 {
    text-align: center !important;
    font-size: 30px;
    letter-spacing: -0.5px;
    word-spacing: -1px;
    white-space: normal; /* 移动端允许标题换行，避免溢出 */
    display: block;
  }

  .rightint-about .txt h3::after {
    margin: 15px auto 20px;
  }

  .rightint-about .txt .rich-text,
  .rightint-about .txt .t {
    font-size: 16px;
    word-spacing: 0; /* 移动端取消负间距，避免文字重叠 */
  }
}

@media screen and (max-width: 480px) {
  .rightint-about .txt h3 {
    font-size: 22px;
    letter-spacing: 0;
    word-spacing: 0;
  }

  .rightint-about .txt .rich-text,
  .rightint-about .txt .t {
    font-size: 15px;
    line-height: 1.6;
  }
}