/* 响应式样式 - 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {

  /* 全局容器调整 */
  .wrap {
    width: 90%;
  }

  /* 导航栏调整 */
  .header-wrap .logo {
  }

  .header-wrap .nav .nav-item {
    padding: 0 10px;
  }

  .header-wrap .nav .nav-item .item-top .link {
    font-size: var(--font15);
  }

  .section3 .main .right .list {

    grid-template-columns: repeat(3, 1fr);
  }

  .section4 .index-news-list .item .btn {
    width: 120px;
    height: 40px;
    line-height: 40px;
  }

  .section4 .index-news-list .item .btn span {
    font-size: 12px;
  }

  .section4 .index-news-list .item .text {
    flex: 1;
    min-width: 0;
    margin-right: 0.82rem;
  }

  .section5 .progress-list .item .icon {
    width: 60px;
    height: 60px;
    margin-top: -30px;
  }

  .section5 .progress-list .item .icon img {

    max-width: calc(100% - 30px);
    max-height: calc(100% - 30px);
  }

  .section5 .progress-list .item .text .item-desc {
    font-size: var(--font14);
  }

  .section3 .layui-tab-brief>.layui-tab-title li {

    min-width: 130px;
    margin: 0 6px;
    padding: 12px 14px;
  }

  /* 首页横幅调整 */
  .index-banner .swiper-slide .text {
    top: 35%;
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font50);
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font18);
  }

  /* 响应式图片切换 - 平板显示桌面版图片 */
  .index-banner .swiper-slide .desktop-img {
    display: block;
  }

  .index-banner .swiper-slide .mobile-img {
    display: none;
  }

  /* 第二部分关于我们调整 */
  .section2 .about-text {
    width: 65%;
    padding-left: 6vw;
    padding-top: 3.5vw;
  }

  .section2 .about-text .about-title {
    font-size: var(--font38);
  }

  .section2 .about-text .about-intro {
    font-size: var(--font15);
    line-height: 1.7;
  }

  .section2 .about-text .data-list {
    margin-bottom: 1.5vw;
  }

  .section2 .about-text .data-list .item:not(:last-child) {
    margin-right: 4vw;
  }

  .section2 .about-text .data-list .item .item-top .data-num {
    font-size: var(--font42);
  }

  .section2 .about-text .data-list .item .item-top .unit {
    font-size: var(--font24);
  }

  .section2 .about-text .data-list .item .item-bottom {
    font-size: var(--font16);
  }

  .section2 .about-img {
    width: 55%;
    margin-left: -8vw;
    margin-top: 6vw;
  }

  /* 第三部分服务区域调整 */
  .section3 .toggle-buttons {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
  }

  .section3 .toggle-btn {
    min-width: 220px;
    max-width: 280px;
    padding: 16px 20px;
    font-size: var(--font15);
    margin: 0;
    flex: 1 1 calc(33.333% - 15px);
  }

  .section3 .content-area .main {
    flex-direction: row;
    height: auto;
    min-height: 50vh;
  }

  .section3 .content-area .left {
    width: 20%;
    padding: 20px 15px;
  }

  .section6 .swiper-line .index-partner-swiper .swiper-slide .list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: max(0.4rem, 20px);
    row-gap: 28px;
  }

  .section3 .content-area .left .left-title {
    font-size: var(--font16);
  }

  .section3 .content-area .right {
    width: 78%;
    padding: 20px 15px;
  }

  .section3 .content-area .list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-height: 45vh;
  }

  .section3 .main .right .list .item .icon {
    --unit: max(0.6rem, 50px);
    width: var(--unit);
    height: var(--unit);
  }

  .section3 .main .right .list .item .text .name {
    font-size: var(--font16);
  }

  .section3 .main .right .list .item .text .desc {
    font-size: var(--font13);
  }

  /* 第四部分新闻区域调整 */
  .index-news-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .index-news-list .item .pic {
    width: 110px;
    height: 75px;
  }

  .index-news-list .item .text .title {
    font-size: var(--font16);
    line-height: 1.4;
  }

  .index-news-list .item .text .desc {
    font-size: var(--font13);
    line-height: 1.5;
  }
}

/* 导航栏响应式 - 991px 以下 */
@media (max-width: 991px) {
  header {
    /* padding: 0 15px; */
    height: 60px;
  }

  .header-wrap {
    position: relative;
  }

  .header-wrap .logo {
    margin-right: auto;
    width: 70px;
    position: relative;
    left: -10px;
  }

  .header-wrap .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 20px 30px;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
  }

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

  .header-wrap .nav.active {
    right: 0;
  }

  .header-wrap .nav .nav-item {
    width: 100%;
    height: auto;
    padding: 0;
    margin-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
  }

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

  .header-wrap .nav .nav-item .item-top {
    height: auto;
    padding: 8px 0;
  }

  #fp-nav {
    /* 显示fullpage.js导航，与桌面端保持一致 */
    display: block;
    /* 调整导航在移动端的位置和大小 */
    right: 10px;
  }

  #fp-nav ul li {
    margin: 8px 0;
  }

  #fp-nav ul li a {
    width: 8px;
    height: 8px;
  }

  #fp-nav ul li a span {
    width: 8px;
    height: 8px;
    margin: 0;
  }

  .header-wrap .nav .nav-item .item-top .link {
    font-size: var(--font16);
    color: #333;
    position: relative;
    padding: 12px 0;
    padding-right: 30px;
    width: 100%;
    line-height: 1.5;
    display: flex;
    align-items: center;
    min-height: 52px;
  }

  .header-wrap .nav .nav-item:has(.item-bottom) .item-top .link::before {
    content: '\e602';
    /* Layui的右箭头图标 */
    font-family: layui-icon !important;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    font-size: var(--font18);
    transition: transform 0.3s ease;
  }

  .header-wrap .nav .nav-item.active:has(.item-bottom) .item-top .link::before {
    content: '\e602';
    /* 仍然使用右箭头图标，但旋转90度 */
    transform: translateY(-50%) rotate(90deg);
  }

  .header-wrap .nav .nav-item .item-bottom {
    position: static;
    transform: none;
    width: 100%;
    padding: 0 0 15px;
    display: none;
    background: transparent;
  }

  .header-wrap .nav .nav-item.active .item-bottom,
  .header-wrap .nav .nav-item .item-bottom.show {
    display: block;
  }

  .header-wrap .nav .nav-item .item-bottom .bottom-link {
    display: block;
    padding: 10px 0;
    font-size: var(--font14);
    color: #666;
    transition: color 0.3s ease;
  }

  .header-wrap .nav .nav-item .item-bottom .bottom-link:hover {
    color: var(--theme-color);
  }

  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
  }

  .mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s ease;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -5px);
  }

  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* 响应式样式 - 手机设备 (最大767px) */
@media (max-width: 767px) {
  .section6 .swiper-line .index-partner-swiper {
    margin: 0;
  }

  .section6 .swiper-line .arrow {
    user-select: none;
    cursor: pointer;
    width: max(35px, 0.28rem);
    display: flex;
    justify-content: center;
    align-items: center;
    outline: none;
  }

  .section6 .swiper-line .arrow img {
    width: 16px;
  }

  .section6 .swiper-line .index-partner-swiper .swiper-slide .list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: max(0.4rem, 10px);
    row-gap: 18px;
  }

  .section7-main .index-form-wrap {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .section7-main .main-left {
    width: 100%;
    flex-shrink: 0;
  }

  .section7-main .main-right {
    width: 100%;
    flex-shrink: 0;
  }

  /* 移动设备上使用fullpage.js的整屏滚动效果 */
  #fp-nav {
    display: none !important;
  }

  #fp-nav ul li {
    margin: 7px 0;
  }

  #fp-nav ul li a span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
  }

  #fp-nav ul li a.active span {
    background: #fff;
  }

  .section5 .progress-list .modify {
    display: none;
  }

  .section3 .layui-tab-item .main {
    flex-direction: row;
    height: auto;
    justify-content: space-between;
    flex-wrap: wrap
  }

  .section3 .layui-tab-content {
    height: auto;
  }

  .section3 .layui-tab-brief>.layui-tab-title {
    border-bottom: none;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
  }

  .section3 .main .left .btn {
    font-size: 12px;
    width: 60%;
  }

  .section3 .main .left {
    margin-bottom: 20px;
  }

  .section3 .main .right .list .item .text .name {
    margin-top: 5px;
    font-size: 14px;
  }

  .section3 .main .right .list .item .text .desc {
    font-size: 12px;
  }

  .section3 .main .left .left-title {
    font-size: 14px;
    text-align: center;
    display: none;
  }

  .section3 .main .left .btn {
    padding: 0;
    margin: 0 auto;

  }

  .section3 .main .left {
    background: none;
    order: 1;
  }

  .section4 .index-news-list .item .btn {
    display: none;
  }

  .section3 .layui-tab-brief>.layui-tab-title {
    margin-bottom: 10px;
  }

  .section3 .main .right .list {
    grid-template-columns: repeat(2, 1fr);
    height: 400px;
    row-gap: max(0.7rem, 14px);
  }

  .section3 .main .right .list .item {
    display: flex;
    flex-direction: column;
  }

  .section3 .main .right .list .item .icon {
    margin-right: 0;
  }

  .section3 .main .right .list .item .text {
    text-align: center;
  }

  .section3 .main .right .list .item .text {
    width: 100%;
  }

  .section3 .main .left,
  .section3 .main .right {
    width: 100%;
  }

  .index-partner-swiper .swiper-slide .list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: max(0.4rem, 20px);
    row-gap: 28px;
  }

  .section {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 0;
    /* 确保在移动端正确计算高度 */
    min-height: 100vh;
    max-height: 100vh;
  }

  .section3 .layui-tab-brief>.layui-tab-title li {
    font-size: 12px;
  }

  .section3 .layui-tab-brief>.layui-tab-title {
    margin-bottom: 20px;
  }

  .section2 .about-text {
    background: none;
  }

  /* 确保所有section内容正确显示 */
  .section .wrap {
    width: 90%;
    max-width: none;
    margin: 0 auto;
    position: relative;
    z-index: 2;
  }

  /* 确保第二屏内容正确显示 */
  .section2 .index-about {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: 40px;
  }

  .section2 .about-text {
    width: 100%;
    padding: 20px;
    flex-shrink: 0;
  }

  .section2 .about-img {
    width: 100%;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    display: none;
  }

  .section2 .about-img img {
    max-width: 100%;
    height: auto;
    max-height: 40vh;
    object-fit: contain;
  }

  .search-btn {
    margin-right: 0.5rem;
  }

  /* 全局容器调整 */
  .wrap {
    width: 92% !important;
  }

  /* 首页横幅调整 */
  .index-banner .swiper-slide .text {
    top: 30%;
    padding: 0 20px;
    width: calc(100% - 40px);
  }

  .index-banner .swiper-slide .text .section-title {
    font-size: var(--font24);
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font36);
    line-height: 1.2;
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font14);
    line-height: 1.4;
    padding: 0 5%;
    font-size: 18px;
  }

  .index-banner .arrow {
    display: none;
  }

  /* 响应式图片切换 - 手机端显示移动版图片 */
  .index-banner .swiper-slide .desktop-img {
    display: none;
  }

  .index-banner .swiper-slide .mobile-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* 确保第一屏内容正确显示 */
  .index-banner .swiper-slide .text {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    width: 90%;
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font32);
    margin-bottom: 10px;
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font14);
    line-height: 1.4;
  }

  /* 第二部分关于我们调整 */
  .section2 .index-about {
    flex-direction: column;
  }

  .section2 .about-text {
    width: 100%;
    padding: 30px 20px;
    border-radius: 0;
  }

  .section2 .about-text .about-modify .btn {

    width: max(0.66rem, 40px);
    height: max(0.66rem, 40px);
  }

  .section2 .about-text .about-title {
    font-size: var(--font30);
  }

  .section2 .about-text .about-intro {
    font-size: var(--font14);
    padding-right: 0;
  }

  .about-modify {
    position: absolute;
    right: 20px;
    bottom: 20px;
  }


  .section2 .about-text .data-list {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
  }

  .section2 .about-text .data-list .item:not(:last-child) {
    margin-right: 0;
    margin-bottom: 0px;
  }

  .section2 .about-text .data-list .item .item-top .data-num {
    font-size: var(--font40);
  }

  .section2 .about-text .data-list .item .item-top .unit {
    font-size: var(--font24);
  }

  .section2 .about-text .data-list .item .item-bottom {
    font-size: var(--font14);
  }

  .section2 .about-img {
    width: 100%;
    margin-left: 0;
    margin-top: 0;
  }

  /* 第三部分服务区域调整 */
  .section3 {
    padding: 35px 0;
  }

  .section3 .index-title {
    margin-bottom: 25px;
  }

  .section3 .index-title .title-text {
    font-size: var(--font28);
    margin: 0 10px;
  }

  .section3 .toggle-buttons {
    flex-direction: column;
    align-items: center;
    margin-bottom: 25px;
    gap: 12px;
  }

  .section3 .toggle-btn {
    width: 100%;
    max-width: 280px;
    min-width: auto;
    padding: 12px 18px;
    font-size: var(--font13);
    margin: 0;
    border-radius: 6px;
  }

  .section3 .content-area {
    height: auto;
    min-height: 60vh;
  }

  .section3 .content-area .main {
    flex-direction: column;
    height: auto;
  }

  .section3 .content-area .left {
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .section3 .content-area .left .left-title {
    font-size: var(--font20);
    margin-bottom: 10px;
  }

  .section3 .content-area .left .btn {
    width: 60%;
    height: 40px;
    font-size: var(--font12);
    margin-top: 15px;
  }

  .section3 .content-area .right {
    width: 100%;
    padding: 20px 15px;
    border-radius: 10px;
  }

  .section3 .content-area .list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    max-height: none;
    overflow-y: visible;
  }

  .section3 .content-area .list .item {
    flex-direction: row;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    transition: transform 0.2s ease;
  }

  .section3 .content-area .list .item:active {
    transform: scale(0.98);
  }

  .section3 .content-area .list .item .icon {
    width: 45px;
    height: 45px;
    margin-right: 15px;
    flex-shrink: 0;
  }

  .section3 .content-area .list .item .text .name {
    font-size: var(--font16);
    margin-bottom: 5px;
  }

  .section3 .content-area .list .item .text .desc {
    font-size: var(--font12);
    line-height: 1.4;
  }

  /* 第四部分新闻区域调整 */
  .section4 {
    padding: 35px 0;
  }

  .section4 .index-news-title {
    margin-bottom: 20px;
  }

  .section4 .index-news-title .title-text {
    font-size: var(--font28);
  }

  .index-news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    width: 100% !important;
    padding: 0 !important;
  }

  .section4 .index-news-list .item .pic {
    width: 90px;
    height: 62px;
    margin-right: 12px;
  }

  .section4 .index-news-list .item .date {

    margin-right: max(0.35rem, 8px);
  }

  .section4 .index-news-list .item .date .month {
    font-size: 14px;
  }

  .section4 .index-news-list .item .date .year {
    font-size: 14px;
  }

  .section4 .index-news-list .item .date .split {
    width: 66.03773585%;
    height: 3px;
    border-radius: 3px;
    background: #204ecf;
    margin-top: max(0.15rem, 6px);
    margin-bottom: max(0.15rem, 6px);
  }

  .section4 .index-news-list .item {
    display: flex;
    align-items: center;
    padding-top: max(0.45rem, 16px);
    padding-bottom: 0;
    border-top: 1px dashed #f2f3f7;
    position: relative;
    z-index: 10;
  }

  .section4 .index-news-list .item .text .desc {
    margin-top: 5px;
    font-size: 12px;
  }

  .index-news-list .item {
    padding: 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
  }

  .index-news-list .item .date {
    margin-bottom: 12px;
    align-items: center;
  }

  .index-news-list .item .date .month {
    font-size: var(--font18);
  }

  .index-news-list .item .date .split {
    margin: 0 10px;
  }

  .index-news-list .item .date .year {
    font-size: var(--font14);
  }

  .section5 .progress-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px 20px;
    justify-content: center;
  }

  .section5 .progress-list .item {
    width: 46%;
  }

  .index-news-list .item .pic {
    width: 100%;
    height: 160px;
    margin-bottom: 12px;
    border-radius: 6px;
  }

  .section5 .progress-list .item .text .item-title::after {
    content: "";
    display: block;
    width: 41px;
    height: 1px;
    background-color: #204ecf;
    margin-top: 8px;
    margin-left: auto;
    margin-right: auto;
  }

  .section5 .progress-list .item .text .item-title {
    font-size: 14px;
    margin-bottom: 12px;
  }

  .section5 .progress-list .item .text .item-desc {
    font-size: 12px;
  }

  .index-news-list .item .text {
    width: 100%;
    margin-bottom: 12px;
  }

  .section5 .progress-list .item .icon {
    margin-bottom: max(0.28rem, 12px);
  }

  .index-title .title-text {
    font-size: var(--font22);
    margin-left: 12px;
    margin-right: 12px;
  }

  .index-news-list .item .text .title {
    font-size: var(--font16);
    line-height: 1.4;
    margin-bottom: 8px;
  }

  .index-title .icon::before,
  .index-title .icon::after {
    content: "";
    display: block;
    width: 27px;
    height: 3px;
  }

  .index-title .icon:nth-of-type(1)::before {
    margin-left: 13px;
  }

  .index-title .icon:nth-of-type(2)::after {
    margin-left: 13px;
  }

  .index-title .icon::after {
    background-color: #479f48;
    margin-top: 5px;
  }

  .section5 .progress-list .item .icon img {
    max-width: calc(100% - 30px);
    max-height: calc(100% - 30px);
  }

  .section5 .progress-list .item .icon {
    width: 50px;
    height: 50px;
    margin-top: -30px;
    margin-bottom: max(0.28rem, 0px);
  }

  .section5 .sub-title {
    font-size: var(--font14);
  }

  .index-news-list .item .text .desc {
    font-size: var(--font13);
    line-height: 1.5;
  }

  .index-news-list .item .btn {
    align-self: flex-start;
    padding: 8px 16px;
    font-size: var(--font12);
  }

  /* 搜索弹窗调整 */
  .search-popup-content {
    width: 90%;
    max-width: 400px;
    padding: 30px 20px;
  }

  .search-popup-form {
    flex-direction: column;
    gap: 15px;
  }

  .section4 .index-news-list .item .btn span {
    /* 不换行 */
    white-space: nowrap;
  }

  .section4 .index-news-list .item .text {
    flex: 1;
    min-width: 0;
    margin-right: 0.32rem;
  }

  .search-input {
    width: 100%;
    padding: 15px;
    border-radius: 8px;
    font-size: var(--font16);
  }

  .search-submit {
    width: 100%;
    padding: 15px;
    border-radius: 8px;
    font-size: var(--font16);
  }

  .suggestions-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .suggestions-tags .tag {
    padding: 8px 12px;
    font-size: var(--font12);
    border-radius: 20px;
  }

  .section2 .about-text .data-list {
    margin-bottom: 0;
  }

  .footer-wrap .foot-top .list {

    flex-wrap: wrap;
  }

  .footer-wrap .foot-top .list .item .group {
    margin-top: 10px;
  }

  .footer-wrap .foot-top .list .item {
    width: 46%;
    column-gap: normal;
    margin-bottom: 30px;
  }


  .footer-wrap .foot-top .list .item .item-title {
    display: block;
    width: fit-content;
    font-family: Open Sans, sans-serif;
    font-size: var(--font12);
    font-weight: bold;
    line-height: normal;
    text-align: center;
    letter-spacing: 0.1em;
    color: #f6f6f6;
    transition: var(--duration);
  }

  .footer-wrap .foot-top .list .item .group .link {
    display: block;
    width: fit-content;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.1em;
    color: #c9c9c9;
    transition: var(--duration);
  }

  .footer-wrap .copyright .icon-list .icon-item svg {
    fill: none;
    width: 28 !important;
    height: 28 !important;
  }

  .section3 .layui-tab-brief>.layui-tab-title li {
    min-width: 130px;
    margin: 0 6px;
    padding: 8px 10px;
    border-radius: 4px;
    border: 1px solid #fff;
  }

  .section3 .main .right {
    border-radius: 10px;
    background: #ffffff;
    padding-left: max(0.47rem, 8px);
    padding-right: max(0.29rem, 8px);
    padding-top: max(0.8rem, 12px);
    padding-bottom: max(0.8rem, 12px);
  }

}

/* 响应式样式 - 6屏幕 (640px - 768px) */
@media (min-width: 641px) and (max-width: 767px) {

  /* 全局调整 - 6屏幕优化 */
  .wrap {
    width: 90% !important;
  }

  /* 导航栏调整 */
  header {
    height: 65px;
  }

  .header-wrap .logo {
    width: 70px;
  }

  /* 首页横幅调整 */
  .index-banner .swiper-slide .text {
    top: 33%;
    padding: 0 25px;
    width: calc(100% - 50px);
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font32);
    line-height: 1.2;
    margin-bottom: 12px;
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font14);
    line-height: 1.4;
  }

  /* 关于我们部分调整 */
  .section2 {
    padding: 35px 0;
  }

  .section2 .about-text {
    padding: 30px 25px;
  }

  .section2 .about-text .about-title {
    font-size: var(--font32);
    margin-bottom: 20px;
  }

  .section2 .about-text .about-intro {
    font-size: var(--font14);
    line-height: 1.7;
    margin-bottom: 30px;
  }

  .section2 .about-text .data-list {
    gap: 20px;
    margin-bottom: 30px;
  }

  .section2 .about-text .data-list .item .item-top .data-num {
    font-size: var(--font38);
  }

  .section2 .about-text .data-list .item .item-top .unit {
    font-size: var(--font24);
  }

  .section2 .about-text .data-list .item .item-bottom {
    font-size: var(--font14);
  }

  .section2 .about-img {
    height: 240px;
  }

  /* 服务部分调整 */
  .section3 {
    padding: 35px 0;
  }

  .section3 .index-title {
    margin-bottom: 25px;
  }

  .section3 .index-title .title-text {
    font-size: var(--font30);
  }

  .section3 .toggle-buttons {
    margin-bottom: 25px;
    gap: 15px;
  }

  .section3 .toggle-btn {
    padding: 14px 20px;
    font-size: var(--font14);
    border-radius: 6px;
  }

  .section3 .content-area .left {
    padding: 20px;
    min-height: 120px;
  }

  .section3 .content-area .left .left-title {
    font-size: var(--font22);
    margin-bottom: 12px;
  }

  .section3 .content-area .left .btn {
    width: 60%;
    height: 40px;
    font-size: var(--font13);
    margin-top: 15px;
  }

  .section3 .content-area .right {
    padding: 20px 15px;
  }

  .section3 .content-area .list {
    gap: 15px;
  }

  .section3 .content-area .list .item {
    padding: 16px;
    border-radius: 8px;
  }

  .section3 .content-area .list .item .icon {
    width: 45px;
    height: 45px;
    margin-right: 16px;
  }

  .section3 .content-area .list .item .text .name {
    font-size: var(--font16);
    margin-bottom: 6px;
  }

  .section3 .content-area .list .item .text .desc {
    font-size: var(--font13);
    line-height: 1.4;
  }

  /* 新闻部分调整 */
  .section4 {
    padding: 35px 0;
  }

  .section4 .index-news-title {
    margin-bottom: 20px;
  }

  .section4 .index-news-title .title-text {
    font-size: var(--font30);
  }

  .index-news-list {
    gap: 16px;
  }

  .index-news-list .item {
    padding: 16px;
    border-radius: 8px;
  }

  .index-news-list .item .date {
    margin-bottom: 14px;
  }

  .index-news-list .item .date .month {
    font-size: var(--font18);
  }

  .index-news-list .item .date .year {
    font-size: var(--font14);
  }

  .index-news-list .item .pic {
    height: 170px;
    margin-bottom: 14px;
  }

  .index-news-list .item .text {
    margin-bottom: 14px;
  }

  .index-news-list .item .text .title {
    font-size: var(--font16);
    line-height: 1.4;
    margin-bottom: 10px;
  }

  .index-news-list .item .text .desc {
    font-size: var(--font13);
    line-height: 1.5;
  }

  .index-news-list .item .btn {
    padding: 10px 16px;
    font-size: var(--font13);
  }
}

/* 响应式样式 - 5屏幕 (480px - 640px) */
@media (min-width: 481px) and (max-width: 640px) {

  /* 全局调整 - 5屏幕优化 */
  .wrap {
    width: 92% !important;
  }

  /* 导航栏调整 */
  header {
    height: 60px;
  }

  .header-wrap .logo {
    width: 65px;
  }

  /* 首页横幅调整 */
  .index-banner .swiper-slide .text {
    top: 32%;
    padding: 0 20px;
    width: calc(100% - 40px);
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font28);
    line-height: 1.2;
    margin-bottom: 10px;
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font13);
    line-height: 1.4;
  }

  /* 关于我们部分调整 */
  .section2 {
    padding: 30px 0;
  }

  .section2 .about-text {
    padding: 25px 20px;
  }

  .section2 .about-text .about-title {
    font-size: var(--font28);
    margin-bottom: 18px;
  }

  .section2 .about-text .about-intro {
    font-size: var(--font13);
    line-height: 1.6;
    margin-bottom: 25px;
  }

  .section2 .about-text .data-list {
    gap: 18px;
    margin-bottom: 25px;
  }

  .section2 .about-text .data-list .item .item-top .data-num {
    font-size: var(--font36);
  }

  .section2 .about-text .data-list .item .item-top .unit {
    font-size: var(--font22);
  }

  .section2 .about-text .data-list .item .item-bottom {
    font-size: var(--font13);
  }

  .section2 .about-img {
    height: 220px;
  }

  /* 服务部分调整 */
  .section3 {
    padding: 30px 0;
  }

  .section3 .index-title {
    margin-bottom: 22px;
  }

  .section3 .index-title .title-text {
    font-size: var(--font26);
  }

  .section3 .toggle-buttons {
    margin-bottom: 22px;
    gap: 12px;
  }

  .section3 .toggle-btn {
    padding: 12px 18px;
    font-size: var(--font13);
    border-radius: 6px;
  }

  .section3 .content-area .left {
    padding: 18px;
    min-height: 110px;
  }

  .section3 .content-area .left .left-title {
    font-size: var(--font20);
    margin-bottom: 10px;
  }

  .section3 .content-area .left .btn {
    width: 65%;
    height: 38px;
    font-size: var(--font12);
    margin-top: 12px;
  }

  .section3 .content-area .right {
    padding: 18px 15px;
  }

  .section3 .content-area .list {
    gap: 12px;
  }

  .section3 .content-area .list .item {
    padding: 14px;
    border-radius: 7px;
  }

  .section3 .content-area .list .item .icon {
    width: 40px;
    height: 40px;
    margin-right: 14px;
  }

  .section3 .content-area .list .item .text .name {
    font-size: var(--font15);
    margin-bottom: 5px;
  }

  .section3 .content-area .list .item .text .desc {
    font-size: var(--font12);
    line-height: 1.4;
  }

  /* 新闻部分调整 */
  .section4 {
    padding: 30px 0;
  }

  .section4 .index-news-title {
    margin-bottom: 18px;
  }

  .section4 .index-news-title .title-text {
    font-size: var(--font26);
  }

  .index-news-list {
    gap: 14px;
  }

  .index-news-list .item {
    padding: 14px;
    border-radius: 7px;
  }

  .index-news-list .item .date {
    margin-bottom: 12px;
  }

  .index-news-list .item .date .month {
    font-size: var(--font17);
  }

  .index-news-list .item .date .year {
    font-size: var(--font13);
  }

  .index-news-list .item .pic {
    height: 150px;
    margin-bottom: 12px;
  }

  .index-news-list .item .text {
    margin-bottom: 12px;
  }

  .index-news-list .item .text .title {
    font-size: var(--font15);
    line-height: 1.4;
    margin-bottom: 8px;
  }

  .index-news-list .item .text .desc {
    font-size: var(--font12);
    line-height: 1.5;
  }

  .index-news-list .item .btn {
    padding: 8px 14px;
    font-size: var(--font12);
  }
}

@media (max-width: 480px) {

  /* 全局调整 - 4屏幕优化 */
  .wrap {
    width: 95% !important;
    padding: 0 10px;
  }

  /* 导航栏进一步调整 */
  header {
    height: 55px;
  }

  .header-wrap .logo {
    width: 60px;
  }

  .mobile-menu-btn {
    width: 22px;
    height: 16px;
  }

  /* 首页横幅调整 */
  .index-banner .swiper-slide .text {
    top: 30%;
    padding: 0 15px;
    width: calc(100% - 30px);
  }

  .index-banner .swiper-slide .text .title {
    font-size: var(--font24);
    line-height: 1.2;
    margin-bottom: 8px;
  }

  .index-banner .swiper-slide .text .sub-title {
    font-size: var(--font12);
    line-height: 1.3;
    padding: 0;
  }

  /* 关于我们部分进一步调整 */
  .section2 {
    padding: 25px 0;
  }

  .section2 .about-text {
    padding: 20px 35px;
  }

  .section2 .about-text .about-title {
    font-size: var(--font24);
    margin-bottom: 15px;
  }

  .section2 .about-text .about-intro {
    font-size: var(--font14);
    line-height: 1.5;
    margin-bottom: 20px;
  }

  .section2 .about-text .data-list {
    gap: 15px;
    margin-bottom: 20px;
  }

  .section2 .about-text .data-list .item .item-top .data-num {
    font-size: var(--font32);
  }

  .section2 .about-text .data-list .item .item-top .unit {
    font-size: var(--font20);
  }

  .section2 .about-text .data-list .item .item-bottom {
    font-size: var(--font12);
  }

  .section2 .about-img {
    height: 200px;
  }

  /* 服务部分进一步调整 */
  .section3 {
    padding: 25px 0;
  }

  .section3 .index-title {
    margin-bottom: 20px;
  }

  .section3 .index-title .title-text {
    font-size: var(--font22);
  }

  .section3 .toggle-buttons {
    margin-bottom: 20px;
    gap: 10px;
  }

  .section3 .toggle-btn {
    padding: 10px 15px;
    font-size: var(--font12);
    border-radius: 5px;
  }

  .section3 .content-area .left {
    padding: 15px;
    min-height: 100px;
  }

  .section3 .content-area .left .left-title {
    font-size: var(--font18);
    margin-bottom: 8px;
  }

  .section3 .content-area .left .btn {
    width: 70%;
    height: 35px;
    font-size: var(--font11);
    margin-top: 10px;
  }

  .section3 .content-area .right {
    padding: 15px 10px;
  }

  .section3 .content-area .list {
    gap: 10px;
  }

  .section3 .content-area .list .item {
    padding: 12px;
    border-radius: 6px;
  }

  .section3 .content-area .list .item .icon {
    width: 35px;
    height: 35px;
    margin-right: 12px;
  }

  .section3 .content-area .list .item .text .name {
    font-size: var(--font14);
    margin-bottom: 4px;
  }

  .section3 .content-area .list .item .text .desc {
    font-size: var(--font11);
    line-height: 1.3;
  }

  /* 新闻部分进一步调整 */
  .section4 {
    padding: 25px 0;
  }

  .section4 .index-news-title {
    margin-bottom: 15px;
  }

  .section4 .index-news-title .title-text {
    font-size: var(--font22);
  }

  .index-news-list {
    gap: 12px;
  }

  .index-news-list .item {
    padding: 12px;
    border-radius: 6px;
  }

  .index-news-list .item .date {
    margin-bottom: 10px;
  }

  .index-news-list .item .date .month {
    font-size: var(--font16);
  }

  .index-news-list .item .date .year {
    font-size: var(--font12);
  }

  .index-news-list .item .pic {
    height: 140px;
    margin-bottom: 10px;
  }

  .index-news-list .item .text {
    margin-bottom: 10px;
  }

  .index-news-list .item .text .title {
    font-size: var(--font14);
    line-height: 1.3;
    margin-bottom: 6px;
  }

  .index-news-list .item .text .desc {
    font-size: var(--font11);
    line-height: 1.4;
  }

  .index-news-list .item .btn {
    padding: 6px 12px;
    font-size: var(--font11);
  }

  .section7-main .main-right .form .input-line {

    align-items: flex-start;
    flex-wrap: wrap;
    row-gap: 14px;
    margin-bottom: 14px;
  }

  .section7-main .main-right .form .input-line .input-item {
    flex: none;
    width: 100%;
  }

  .section7-main .main-right .form .submit-btn {
    width: 100%;
  }

  .section7-main .main-left .left-title {
    font-family: Open Sans, sans-serif;
    font-size: var(--font30);
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    color: #ffffff;
    margin-bottom: max(0.26rem, 10px);
  }

  .section7-main .main-left .left-sub-title {
    font-family: Open Sans, sans-serif;
    font-size: var(--font14);
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    color: #ffffff;
    margin-bottom: max(0.35rem, 10px);
  }

  .section7-main .main-right .form .submit-btn {
    height: 40px;
    line-height: 10px;
  }

  .section7-main .main-right .text {
    font-family: Open Sans, sans-serif;
    font-size: var(--font16);
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    color: #ffffff;
    margin-bottom: 12px;
    margin-top: 12px;
  }

  .section7-main .main-left .left-desc {
    font-family: Open Sans, sans-serif;
    font-size: 12px;
    font-weight: normal;
    letter-spacing: 0em;
    line-height: 1.4;
    color: #ffffff;
    overflow-wrap: break-word;
  }

  .section7-main .main-right .form .input-line .input-item {
    height: 40px;
  }


}