@layer utilities {
  /* ===== 重置与基础样式 ===== */
  dl, dt {
    padding: 0;
    margin: 0;
  }
  
  body {
    color: #666;
  }
  
  a {
    color: #666;
  }
  
  a:hover {
    color: #F0B100;
  }
  
  .more {
    color: #666;
  }
  
  .more:hover {
    color: #fff;
  }
  
  .text-center a {
    color: #fff;
  }
  
  .text-center a:hover {
    color: #fff;
  }
  
  /* ===== 布局与功能类 ===== */
  .content-auto {
    content-visibility: auto;
  }
  
  .text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
  
  .hover-scale {
    transition: transform 0.3s ease;
  }
  
  .hover-scale:hover {
    transform: scale(1.03);
  }
  
  /* ===== 动画类 ===== */
  .animate-fade-in {
    animation: fadeIn 0.8s ease-in-out forwards;
  }
  
  .animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
  }
  
  .animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out forwards;
  }
  
  .animate-slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
  }
  
  .animate-slide-from-bottom {
    animation: slideFromBottom 0.6s ease-out forwards;
  }
  
  /* ===== 组件样式 ===== */
  /* Banner 轮播 */
  .banner-slide {
    opacity: 0;
    transition: opacity 1s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  .banner-slide.active {
    opacity: 1;
    z-index: 1;
  }
  
  .banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    cursor: pointer;
  }
  
  .banner-dot.active {
    background-color: white;
    transform: scale(1.2);
  }
  
  /* 加载动画 */
  .page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out;
  }
  
  .loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
  
  .load-hidden {
    opacity: 0;
    visibility: hidden;
  }
  
  .initial-hidden {
    opacity: 0;
    transform: translateY(20px);
  }
  
  /* 项目卡片 */
  .project-card {
    transform: translateY(40px);
    margin-bottom: 20px;
  }
  
  .project-card:hover {
    background: #FFCC19;
    color: #fff;
  }
  
  .project-card:hover a {
    color: #fff;
  }
  
  .project-card:hover p {
    background: #FFCC19;
    color: #fff;
  }
  
  /* 下拉菜单 */
  .dropdown {
    position: relative;
  }
  
  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 150px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
  }
  
  .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  
  .dropdown-menu li {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
  }
  
  .dropdown:hover .dropdown-menu li {
    opacity: 1;
    transform: translateY(0);
  }
  
  .dropdown-menu li:nth-child(1) { transition-delay: 0.05s; }
  .dropdown-menu li:nth-child(2) { transition-delay: 0.1s; }
  .dropdown-menu li:nth-child(3) { transition-delay: 0.15s; }
  .dropdown-menu li:nth-child(4) { transition-delay: 0.2s; }
  
  .dropdown-menu li a {
    position: relative;
    display: block;
    padding: 10px 20px;
    color: #333;
    transition: all 0.2s ease;
  }
  
  .dropdown-menu li a:hover {
    background: #FFCC19;
    color: #fff;
    padding-left: 25px;
  }
  
  .dropdown-menu li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: #FFCC19;
    transform: scaleY(0);
    transition: transform 0.2s ease;
  }
  
  .dropdown-menu li a:hover::before {
    transform: scaleY(1);
  }
  
  .dropdown-toggle {
    display: flex;
    align-items: center;
  }
  
  .dropdown-toggle i {
    margin-left: 5px;
    transition: transform 0.3s ease;
  }
  
  .dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
  }
  
  /* Logo 切换 */
  .logo-default {
    display: block;
  }
  
  .logo-scrolled {
    display: none;
  }
  
  .scrolled .logo-default {
    display: none;
  }
  
  .scrolled .logo-scrolled {
    display: block;
  }
  
  /* 关于我们图标 */
  .about_in_box {
    width: 94px;
    height: 94px;
    border: 1px solid #ccc;
    border-radius: 50%;
    margin: 0 auto;
    line-height: 94px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
  }
  
  .about_in_box:hover {
    background: #FFCC19;
  }
  
  .about_in_box img {
    transition: all 0.3s ease;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  
  .about_in_box .icon-default {
    opacity: 1;
  }
  
  .about_in_box .icon-hover {
    opacity: 0;
  }
  
  .about_in_box:hover .icon-default {
    opacity: 0;
  }
  
  .about_in_box:hover .icon-hover {
    opacity: 1;
  }
  
  .cata_text a:hover {
    color: #fff !important;
  }
  
  .cata_text:hover {
    color: #fff !important;
  }
  
  /* ===== 动画关键帧 ===== */
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes slideUp {
    from {
      transform: translateY(30px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  @keyframes slideInLeft {
    from {
      transform: translateX(-30px);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  @keyframes slideInRight {
    from {
      transform: translateX(30px);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  @keyframes slideFromBottom {
    from {
      transform: translateY(40px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
}

/* ===== 响应式调整 ===== */
.top_head {
  margin-top: 15px;
}

.news_line_c {
  margin: 10px auto;
  width: 122px;
}

h1 {
  font-size: 40px;
}

/* ===== 友情链接 ===== */
.link {
  width: 100%;
  min-height: 100px;
  border-top: 2px solid #FFCC19;
  margin-top: 20px;
  overflow: hidden;
}

.link_left {
  float: left;
  width: 20%;
}

.link_left_t {
  float: left;
}

.link_left_wz {
  float: left;
  line-height: 180%;
}

.link_left_y {
  float: left;
  margin-left: 15px;
  margin-bottom: 30px;
}

.link_left_y dl {
  width: auto;
  height: auto;
}

.link_left_y dl dt {
  margin-right: 15px;
  float: left;
  margin-bottom: 20px;
}

.link_left_y dl dt img {
  border: 1px solid #ccc;
}

.foot_title {
  font-size: 30px;
}

.foot_ewm {
  float: left;
  margin-right: 15px;
}

.foot_intro {
  float: left;
  line-height: 180%;
  font-size: 14px;
  border-left: 2px solid #ccc;
  color: #ccc;
  padding-left: 15px;
  margin-top: 15px;
}

.foot_foot_left {
  width: 40%;
  overflow: hidden;
  float: left;
}

.foot_foot_right {
  width: 50%;
  overflow: hidden;
  float: right;
  margin-top: 4%;
}

.foot_h {
  overflow: hidden;
}

.foot_menu {
  width: 100%;
  overflow: hidden;
}

.foot_menu dl {
  width: 100%;
  overflow: hidden;
}

.foot_menu dl dt {
  width: 18%;
  margin: 0 1%;
  float: left;
}

.foot_menu a {
  color: #ccc;
}

.foot_menu a:hover {
  color: #FFCC19;
}

/* ===== 新闻样式 ===== */
.news_c {
  width: 100%;
  overflow: hidden;
  float: left;
  margin-bottom: 50px;
}

.news_c_left {
  width: 45%;
  overflow: hidden;
  float: left;
  background: url(../images/news_ibg.jpg) top left no-repeat;
  min-height: 300px;
}

.news_c_text {
  width: 96%;
  margin: 2% 0 0 2%;
  overflow: hidden;
  float: left;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 5px;
}

.news_c_textall {
  width: 96%;
  margin: 2%;
  overflow: hidden;
}

.news_c_boximg {
  width: 100%;
  overflow: hidden;
  float: left;
  height: auto;
}

.news_c_boximg img {
  width: 100%;
  height: auto;
}

.news_c_text_kr {
  width: 96%;
  margin: 2%;
  overflow: hidden;
}

.news_c_title {
  width: 100%;
  line-height: 35px;
  float: left;
  border-bottom: 1px solid #ccc;
  margin-top: 15px;
  font-size: 18px;
}

.neews_c_intro {
  width: 100%;
  line-height: 180%;
  font-size: 14px;
  float: left;
  margin-top: 10px;
  color: #666;
}

.neews_c_data {
  width: 100%;
  line-height: 180%;
  font-size: 14px;
  float: left;
  margin-top: 10px;
  color: #666;
}

.news_c_right {
  width: 53%;
  overflow: hidden;
  float: right;
}

.news_c_r_t {
  width: 100%;
  overflow: hidden;
  float: left;
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
  margin-top: 20px;
}

.news_c_r_t_l {
  float: left;
  overflow: hidden;
  margin-bottom: 30px;
  width: 26%;
}

.news_c_r_t_r {
  width: 68%;
  float: left;
  overflow: hidden;
  margin-left: 20px;
}

.news_c_r_t_r_t {
  width: 100%;
  overflow: hidden;
  float: left;
  font-size: 18px;
}

.news_c_r_t_r_t span {
  float: right;
}

.news_c_r_t_r_i {
  width: 100%;
  margin-top: 5px;
  overflow: hidden;
  float: left;
  font-size: 14px;
  line-height: 200%;
  margin-bottom: 10px;
}

.news_button_more {
  width: 120px;
  height: 34px;
  background: #FFCC19;
  text-align: center;
  color: #333;
  border-radius: 5px;
  float: left;
  line-height: 34px;
  font-size: 14px;
}

.news_button_more:hover {
  width: 120px;
  height: 34px;
  background: #333;
  text-align: center;
  color: #fff;
  border-radius: 5px;
  float: left;
  line-height: 34px;
  font-size: 14px;
}

.news_button_more:hover a {
  color: #fff;
}

.news_button_more:hover a:hover {
  color: #fff;
}

.news_c_r_list {
  width: 100%;
  overflow: hidden;
  float: left;
}

.news_c_r_list dl {
  width: 100%;
  float: left;
  overflow: hidden;
}

.news_c_r_list dl dt {
  width: 100%;
  float: left;
  overflow: hidden;
  border-bottom: 1px solid #ccc;
  line-height: 350%;
}

.news_c_r_list dl dt span {
  float: right;
}

.inline-block:hover {
  background: #FFCC19;
}

.inline-tit-f {
  font-size: 18px;
  color: #666;
  margin-left: 15px;
  font-weight: 100;
}

/* ===== 关于我们 ===== */
.about_i_line {
  border-bottom: 1px solid #ccc;
  float: left;
  width: 100%;
}

.about_tit {
  background: #FFCC19;
  height: 3px;
  float: left;
  max-width: 158px;
  min-width: 100px;
  width: 158px;
}

.about_tit_l {
  float: left;
  overflow: hidden;
  width: 68%;
  margin-top: 2%;
}

.about_tit_r {
  float: right;
  overflow: hidden;
  margin-left: 25px;
  margin-top: 2%;
}

.h_auto {
  overflow: hidden;
}

.about_tit_r img {
  width: 100%;
  height: auto;
}

.about_in_tit {
  font-size: 26px;
  line-height: 300%;
}

.about_in_intro {
  line-height: 200%;
  font-size: 16px;
  color: #666;
  margin-bottom: 40px;
}

.about_in_intro_list {
  width: 100%;
  overflow: hidden;
  float: left;
  margin-top: 80px;
}

.about_in_intro_list dl {
  width: 100%;
  overflow: hidden;
  float: left;
}

.about_in_intro_list dl dt {
  width: 19.5%;
  overflow: hidden;
  float: left;
  border-right: 1px dashed #ccc;
  text-align: center;
}

.about_in_tit_a {
  margin-top: 20px;
}

/* ===== 内页样式 ===== */
.c {
  clear: both;
}

.ny_banner {
  background: #fff;
  height:auto;
  overflow: hidden;
}

.ny_banner img {
  width: 100%;
  height: auto;
}

.container2 {
  width: 85%;
  float:left;
  margin-left:6%;
  
}

.iban_info {
  position: absolute;
  top: 25%;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  color: #FFFFFF;
}

.iban_info h3 {
  font-weight: bold;
  font-size: 48px;
  color: #FFFFFF;
  line-height: 1;
  text-transform: uppercase;
  text-align: left;
}

.iban_info p {
  margin-top: 10px;
  font-family: "OPPOSANS-R";
  font-weight: 400;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 1;
  text-transform: capitalize;
  text-align: left;
}

.about_content {
  width: 100%;
  overflow: hidden;
  float: left;
}

.about_top_menu {
  width: 100%;
  line-height: 250%;
  border-bottom: 1px solid #ccc;
  min-height: 45px;
  background: #F5F5F5;
}

.about_left {
  min-width: 200px;
  max-width: 15%;
  overflow: hidden;
  float: left;
}

.about_gywm {
  width: 100%;
  overflow: hidden;
  float: left;
}

.about_qywm_tit {
  width: 100%;
  height: 45px;
  line-height: 45px;
  font-size: 24px;
  border-bottom: 1px solid #ccc;
}

.about_qywm_menu {
  width: 100%;
  overflow: hidden;
  float: left;
}

.about_qywm_menu dl {
  width: 100%;
  overflow: hidden;
  float: left;
}

.about_qywm_menu dl dt {
  width: 100%;
  height: 45px;
  float: left;
  font-size: 16px;
  border-bottom: 1px dashed #CCC;
  line-height: 45px;
}

.about_right {
  overflow: hidden;
  float: left;
  margin-left: 2%;
  border-left: 1px solid #ccc;
  min-height: 450px;
  padding-left: 2%;
  margin-bottom: 20px;
  width: auto;
  max-width: 82%;
  min-width: 80%;
}

.about_right_tit {
  font-size: 22px;
  border-bottom: 2px solid #FFCC19;
  line-height: 150%;
  float: left;
}

.about_right_content {
  float: left;
  line-height: 200%;
  overflow: hidden;
  margin-top: 20px;
  font-size: 16px;
  width: 100%;
}

.news_listt {
  width: 100%;
  overflow: hidden;
  float: left;
}

.news_listt dl {
  width: 100%;
  overflow: hidden;
  float: left;
}

.news_listt dl dt {
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid #E7E7E7;
  margin-bottom: 15px;
  float: left;
  background: #F5F5F5;
  margin-bottom: 20px;
}

.news_listt dl dt:hover {
  border: 1px solid #CCC;
  width: 99.9%;
}

.news_list_box {
  width: 100%;
  margin: 20px auto;
  overflow: hidden;
  border-left: 2px solid #FFCC19;
}

.news_listt_left {
  width: 65%;
  margin-left: 1%;
  float: left;
  overflow: hidden;
  margin-left: 2%;
}

.news_listt_right {
  width: 30%;
  float: right;
  overflow: hidden;
  margin-right: 1%;
}

.news_listt_right img {
  width: 100%;
  height: auto;
}

.news_listt_title {
  width: 100%;
  line-height: 45px;
  font-size: 24px;
  float: left;
}

.news_listt_data {
  width: 100%;
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  float: left;
}

.news_listt_intro {
  width: 100%;
  overflow: hidden;
  float: left;
  font-size: 14px;
  line-height: 180%;
  margin-top: 10px;
}

.news_listt_an {
  width: 100%;
  height: 40px;
  line-height: 40px;
  font-size: 16px;
  float: left;
  margin-top: 20px;
}

/* ===== 分页样式 ===== */
.pagev {
  text-align: center;
  color: #666;
  clear: both;
}

.pagev span {
  line-height: 24px;
  padding: 0px 9px;
  display: inline-block;
}

.fonts {
  color: #fff;
  background-color: #FFCC19;
  border: 1px solid #FFCC19;
}

.pagev span a {
  background-color: #fff;
  color: #666;
  border: 1px solid #D9D9D9;
  line-height: 24px;
  padding: 0px 9px;
  display: inline-block;
  text-decoration: none;
  margin: 1.5em 0;
}

.pagev span a:hover {
  color: #fff;
  background-color: #FFCC19;
  border: 1px solid #FFCC19;
}

.hyyy_tit_ab {
  width: 100%;
  text-align: center;
  font-size: 22px;
  border-bottom: 1px dashed #CCC;
  text-align:center;
  line-height:150%;
  margin-bottom:15px;
}

.hyyy_tit_data {
  width: 100%;
  text-align: center;
  float: left;
  font-size: 14px;
  height: 30px;
  line-height: 30px;
}

.pro_cpxq_content {
  width: 100%;
  overflow: hidden;
  float: left;
  line-height: 200%;
  float: left;
  margin-top: 10px;
  font-size: 16px;
}

.prv_all {
  width: 100%;
  overflow: hidden;
  border-top: 1px dashed #999;
  margin-top: 40px;
  margin-bottom: 50px;
}

.prv_next {
  width: 70%;
  overflow: hidden;
  float: left;
  line-height: 180%;
  margin-top: 10px;
  color: #666;
}

.go_back {
  width: 30%;
  overflow: hidden;
  float: right;
  line-height: 180%;
  margin-top: 20px;
  text-align: right;
  color: #666;
}

.text-sm a:hover {
  color: #FFCC19;
}

.about_right img {
	display:inline;
    vertical-align: none;
}

/* ===== 响应式设计 ===== */
.md\:hidden {
  @media (width >= 68rem) {
    display: none;
  }
}

/* 大屏设备 (1024px 及以下) */

@media (max-width: 1440px) {
	
.container2 {width: 85%;float: left !important; margin-left:1%;}

.about_right {max-width:80%;min-width: 70%;}	
	
}

@media (max-width: 1024px) {
	.container2 {
        margin-left: -5%;
		width:90%;
    }
	.iban_info p{ font-size:20px;}
	.about_qywm_tit{font-size:20px;}
.iban_info h3{ font-size:30px;}
.news_listt_title {
    width: 100%;
    line-height:150%;
    font-size:18px;
    float: left;
}
.about_right_tit{ font-size:20px;}
  .banner-height {
    height: 500px !important;
  }
      .about_right {
        max-width: 76%;
        min-width:70%;
    }
  .about_left{ width:160px;}
  .news_c_r_t_r_t span {
    display: none;
  }
  
  .news_c_r_t_r {
    width: 55%;
    float: left;
  }
  
  .project-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
  
  .about_tit_r {
    width: 35%;
    float: right;
  }
  
  .about_tit_l {
    width: 62%;
  }
}

/* 平板设备 (820px 及以下) */
@media (max-width: 820px) {
	.pagev{ font-size:12px;}
	.about_top_menu{ font-size:14px; min-height:35px;}
	.container2{ margin-top:-35%; width:85%;}
	.about_left{ min-width:150px;}
	    .project-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
	.about_qywm_menu dl dt{ font-size:14px;}
	.news_listt_title{ font-size:16px;}
	.news_listt_intro{ font-size:12px;}
	.news_listt_an{ font-size:12px;}
  .items-cente a img {
    width: 30% !important;
    height: auto;
  }
      .iban_info h3 {
        font-size:24px;
    }
	    .iban_info p {
        font-size: 16px;
    }
  
  .dropdown-menu li a {
    font-size: 14px;
  }
  
  .space-x-8 {
    font-size: 14px;
  }
  
  .news_c_r_t_r {
    width: 65%;
    float: left;
  }
  
  h1, h2 {
    font-size: 1.75rem !important;
  }
  
  .banner-height {
    height: 400px !important;
  }
  
  .link_left_y dl dt {
    margin-right: 8px;
    margin-bottom: 8px;
  }
  
  .link_left_y dl dt img {
    width: 90%;
    height: auto;
  }
  
  /* 移动端布局调整 */
  .news_c_left,
  .news_c_right {
    width: 100%;
    float: none;
  }
  
  .news_c_right {
    margin-top: 20px;
  }
  
  .about_tit_l,
  .about_tit_r {
    width: 100%;
    float: none;
  }
  
  .about_tit_r {
    margin-left: 0;
    text-align: center;
  }
  
  .foot_foot_left,
  .foot_foot_right {
    width: 100%;
    float: none;
  }
  
  .foot_foot_right {
    margin-top: 20px;
  }
  
  .foot_menu dl dt {
    width: 18%;
    margin: 1%;
  }
  
  .about_in_intro_list dl dt {
    width: 33.3%;
    margin-bottom: 20px;
    border-right: none;
  }
}

/* 小屏平板 (640px 及以下) */

@media (max-width: 640px) {
	.about_left{ min-width:100%;}
	.ny_banner{ height:250px;}
	.about_qywm_menu dl dt{ width:48%; margin-right:2%; margin-bottom:2%;}
	
	    .about_right {
        max-width: 100%;
        min-width: 70%;
		margin-top:20px;
		border-top:1px solid #ccc;
		border-left:none;
		margin-left:0px;
    }
	.about_right_tit{ margin-top:20px;}
	.ny_banner img{ width:auto; min-height:250px; overflow:hidden;}
	.container2{ margin-top:-20%;}
	.about_right img {
		max-width:100%;
}
  .news_c_r_t_r_t span {
    display: none;
  }
  
  .news_c_r_t_r {
    width: 100% !important;
  }
  
  .news_c_r_list dl dt span {
    display: none;
  }
  
  .banner-height {
    height: 300px !important;
  }
  
  .news-grid {
    grid-template-columns: 1fr !important;
  }
  
  .project-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
  
  .link_left_y dl dt {
    margin-right: 5px;
  }
  
  .link_left_y dl dt img {
    width: 100%;
  }
  
  .news_c_r_t_l,
  .news_c_r_t_r {
    width: 100%;
    float: none;
  }
  
  .news_c_r_t_r {
    margin-left: 0;
  }
  
  .foot_title {
    font-size: 24px;
  }
}

/* 手机设备 (480px 及以下) */
@media (max-width: 480px) {
  .banner-height {
    height: 250px !important;
  }
  
  .project-grid {
    grid-template-columns: 1fr !important;
  }
  
  .link_left {
    width: 100%;
    margin-bottom: 15px;
  }
  
  .link_left_y {
    margin-left: 0;
    width: 100%;
  }
  
  .link_left_y dl {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .about_in_intro_list dl dt {
    width: 49%;
  }
  
  .foot_menu dl dt {
    width: 48%;
    margin-bottom: 20px;
  }
  
  .news_c_r_t_l {
    width: 100%;
    overflow: hidden;
  }
  
  .news_c_r_t_l img {
    width: 100%;
    height: auto;
  }
}

/* 小屏手机 (375px 及以下) */
@media (max-width: 375px) {
  .banner-height {
    height: 230px !important;
  }
  
  .project-grid {
    grid-template-columns: 1fr !important;
  }
  
  .link_left {
    width: 100%;
    margin-bottom: 15px;
  }
  
  .link_left_y {
    margin-left: 0;
    width: 100%;
  }
  
  .link_left_y dl {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .about_in_intro_list dl dt {
    width: 49%;
  }
  
  .foot_menu dl dt {
    width: 48%;
    margin-bottom: 20px;
  }
  
  .news_c_r_t_l {
    width: 100%;
    overflow: hidden;
  }
  
  .news_c_r_t_l img {
    width: 100%;
    height: auto;
  }
}