/* ================= 基础样式 ================= */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: "Microsoft YaHei", sans-serif; color: #333; line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        
        /* 品牌色定义 */
        :root {
            --primary-blue: #134163;
            --brand-yellow: #ef9828; /* 按要求统一的黄色色号 */
        }

/* 联系我们区块：默认直接渲染，仅在需要时进入待播放状态 */
.contact-card {
  opacity: 1;
  transform: none;
}
.contact-card.contact-card--ready {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(.2,.9,.2,1), transform 700ms cubic-bezier(.2,.9,.2,1);
}
.contact-card.contact-card--ready.inview-child {
  opacity: 1;
  transform: translateY(0);
}

        /* ================= 导航栏 (Header) ================= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    height: 80px; /* 固定高度，更显大气 */
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 左侧 Logo */
.logo img { height: 45px; }

/* 中间导航栏 */
.nav-menu { 
    display: flex; 
    gap: 35px; 
    height: 100%;
}

.nav-item { 
    position: relative; 
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #333;
    font-weight: 500;
    cursor: pointer;
    height: 100%;
}

.nav-item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0 18px;
    transition: background-color .25s ease, color .25s ease;
}

@media (min-width: 769px) {
    .nav-item:hover > a {
        color: #134163;
    }

    .nav-item.is-current > a {
        background: #d9ecfb;
        color: #5b9fd1;
        font-weight: 700;
    }

    .nav-item.is-current:hover > a {
        color: #5b9fd1;
    }
}

/* 下拉菜单 */
.dropdown {
    display: none;
    position: absolute;
    top: 80px; /* 与header高度一致 */
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-top: 3px solid #ef9828; /* 按要求使用指定黄色 */
    min-width: 160px;
    text-align: center;
    padding: 10px 0;
}
.nav-item:hover .dropdown { display: block; }
.dropdown li a {
    display: block;
    padding: 12px 15px;
    font-size: 14px;
    color: #666;
    transition: all 0.3s;
}
.dropdown li a:hover {
    background: #f8f9fa;
    color: #ef9828; /* 悬停文字变黄 */
}

/* 右侧：搜索与热线 */
.header-right {
    display: flex;
    align-items: center;
    gap: 30px;
}
.search-icon {
    font-size: 18px;
    color: #666;
    cursor: pointer;
}
.mobile-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #1d6fb8;
  transition: transform 0.28s ease, opacity 0.28s ease;
}
.mobile-menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.hotline {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #134163;
}
.hotline img { width: 30px; height: 30px; }
.hotline-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hotline-text span { font-size: 12px; color: #999; line-height: 1.2; }
.hotline-text strong { font-size: 18px; font-weight: bold; line-height: 1.2; }

/* ================= 移动端自适应 (Header) ================= */
@media (max-width: 768px) {
    header { 
    height: 76px;
    padding: 0 12px;
    }
  .logo img { height: 44px; }
    
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: auto;
    padding: 10px 12px 16px;
    background: #fff;
    box-shadow: 0 12px 24px rgba(10, 44, 85, 0.12);
    border-top: 1px solid rgba(19, 65, 99, 0.08);
    flex-direction: column;
    gap: 0;
    z-index: 1001;
  }
  .nav-menu.is-open {
    display: flex;
  }
  .nav-item {
    display: block;
    width: 100%;
    height: auto;
    font-size: 15px;
    border-bottom: 1px solid #edf1f5;
  }
  .nav-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 0 4px;
    color: #134163;
  }

  .nav-item > a.nav-parent::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    line-height: 1;
    color: #1d6fb8;
    transition: transform 0.28s ease;
  }
  .nav-item.is-open > a.nav-parent::after {
    transform: rotate(45deg);
  }
  .dropdown {
    display: none;
    position: static;
    top: auto;
    left: auto;
    transform: none;
    min-width: 0;
    margin: 0 0 10px;
    padding: 0 0 8px 12px;
    background: transparent;
    border-top: 0;
    box-shadow: none;
    text-align: left;
  }
  .nav-item.is-open .dropdown {
    display: block;
  }
  .nav-item:hover .dropdown {
    display: none;
  }
  .nav-item.is-open:hover .dropdown {
    display: block;
  }
  .dropdown li a {
    padding: 10px 0;
    font-size: 14px;
    color: #5d6b79;
  }
    .search-icon { display: none; }
  .mobile-menu-toggle {
    display: inline-flex;
    flex: 0 0 auto;
  }
  .header-right {
    gap: 8px;
  }
  .hotline {
    gap: 8px;
    padding: 0 6px;
  }
  .hotline img {
    width: 24px;
    height: 24px;
  }
    
    .hotline-text span { display: none; }
  .hotline-text strong {
    font-size: 15px;
    color: #1d6fb8;
    white-space: nowrap;
  }
}

       /* ================= 纯图片轮播图 (Banner) ================= */
.banner-slider {
    position: relative;
    width: 100%;
    /* 设置 PC 端 Banner 的大致宽高比，防止图片加载前页面跳动 */
    aspect-ratio: 1920 / 600; 
    overflow: hidden;
    background-color: #f5f5f5; /* 图片加载前的占位底色 */
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-wrapper--mobile {
  display: none;
}

/* 采用淡入淡出 (Fade) 效果，比左右滑动更适合大图切换 */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保证图片铺满且不变形 */
  object-position: center center;
    display: block;
}

/* 轮播指示器 (小圆点) */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dots .dot:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* 激活状态：变成长条形并使用指定的黄色色号 */
.slider-dots .dot.active {
    background: #ef9828; 
    width: 30px;
    border-radius: 6px;
}

/* ================= 移动端自适应 (WAP) ================= */
@media (max-width: 768px) {
    .banner-slider {
    aspect-ratio: 375 / 520;
    min-height: clamp(460px, 138vw, 620px);
    background: linear-gradient(180deg, #1b59b0 0%, #b8d7fb 100%);
  }
  .slider-wrapper--pc {
    display: none;
  }
  .slider-wrapper--mobile {
    display: block;
  }
  .slider-wrapper,
  .slide {
    height: 100%;
  }
  .slide img {
    object-fit: cover;
    object-position: center top;
    }
    .slider-dots {
    bottom: 22px;
    gap: 10px;
    }
    .slider-dots .dot {
        width: 8px;
        height: 8px;
    background: rgba(255, 255, 255, 0.88);
    }
    .slider-dots .dot.active {
        width: 20px;
    background: #ef9828;
    }
}

@media (max-width: 480px) {
  .banner-slider {
    aspect-ratio: 375 / 540;
    min-height: clamp(500px, 146vw, 620px);
  }
  .slide img {
    object-position: center top;
  }
  .slider-dots {
    bottom: 18px;
  }
}

/* ...existing code... */

/* ...existing code... */

/* ================= 关于德能 (About Section) - 最终整理版（空心水印 + 中间图片） ================= */
.about-section{
  position: relative;
  background: #fff;
  padding: 80px 0;
  overflow: hidden;
}

/* 关于我们动画样式 */
.about-section {
  opacity: 0;
  transform: translateY(8px);
  /* 增加过渡时长以放慢出现速度 */
  transition: opacity 800ms cubic-bezier(.2,.9,.2,1), transform 800ms cubic-bezier(.2,.9,.2,1);
}
.about-section.inview {
  opacity: 1;
  transform: translateY(0);
}

.about-metrics li {
  opacity: 0;
  transform: translateY(16px);
  /* 增加子元素过渡时间以获得更慢的错落效果 */
  transition: opacity 700ms cubic-bezier(.2,.9,.2,1), transform 700ms cubic-bezier(.2,.9,.2,1);
}
.about-metrics li.inview-child {
  opacity: 1;
  transform: translateY(0);
}

.about-center-anim { opacity: 0; transform: translateY(8px); transition: opacity 800ms, transform 800ms; }
.about-center-anim.inview-child, .about-center-anim.inview { opacity: 1; transform: translateY(0); }

.about-right-anim { opacity: 0; transform: translateX(18px); transition: opacity 800ms, transform 800ms; }
.about-right-anim.inview-child, .about-right-anim.inview { opacity: 1; transform: translateX(0); }

.about-container{
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  position: relative;
}

/* 标题居中：水印“ABOUT”叠在“关于德能”四字后面 */
.about-header{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 34px;
}

/* 空心 ABOUT：描边 + 极淡 + 在标题后 */
.about-header .about-watermark{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -54%);

  font-weight: 900;
  font-size: 120px;
  letter-spacing: 0.18em;
  white-space: nowrap;

  color: transparent;
  -webkit-text-stroke: 1px rgba(0,0,0,0.08);
  text-stroke: 1px rgba(0,0,0,0.08);

  z-index: 1;
  pointer-events: none;
  user-select: none;
}

.about-header .section-title{
  position: relative;
  z-index: 2;
  font-size: 30px;
  font-weight: 800;
  color: #111;
}

/* 三栏布局：左（要点两列）中（图片+竖线）右（简介） */
.about-layout{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 313px 413px 1fr;
  column-gap: 56px;
  align-items: start;
}

/* 左栏：要点 2x2 */
.about-metrics{
  margin: 0;
  padding: 6px 0 0;
  list-style: none;

  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 0px;
  row-gap: 18px;

  font-size: 14px;
  color: #1f1f1f;
}

.about-metrics li{
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 18px;
}

.about-metrics .bullet{
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-blue);
  flex: 0 0 auto;
}

.about-col--left .about-more{
  margin-top: 26px;
}

/* 中间栏：图片居中；两条竖线贯穿该列高度 */
.about-col--center{
  position: relative; /* 竖线定位基准 */
  padding: 0 34px;
}

/* 两条竖线 */
.about-col--center::before,
.about-col--center::after{
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #e6e6e6;
}
.about-col--center::before{ left: 0; }
.about-col--center::after{ right: 0; }

/* 中间图：按截图固定视觉宽度 */
.about-center-img{
  display: block;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  height: auto;
}

/* 右栏：简介行距更松 */
.about-col--right{
  padding-top: 6px;
}

.about-col--right .about-desc{
  max-width: 520px;
  font-size: 14px;
  line-height: 2.0;
  color: #222;
}

.about-col--right .about-more{
  margin-top: 22px;
}

/* “更多”链接：统一样式 */
.about-more{
  display: inline-block;
  font-size: 14px;
  color: var(--primary-blue);
  text-decoration: none;
}
.about-more:hover{
  text-decoration: underline;
}

/* 清理：你当前 HTML 已经不再用 about-card/about-slogan，避免后续误用/干扰 */
.about-card,
.about-card-top,
.about-card-mid,
.about-slogan{
  display: none !important;
}

/* ================= 响应式 ================= */
@media (max-width: 1100px){
  .about-layout{
    grid-template-columns: 1fr 360px 1fr;
    column-gap: 28px;
  }
  .about-container{
    width: min(980px, calc(100% - 48px));
  }
}

@media (max-width: 960px){
  .about-header{
    margin-bottom: 22px;
  }

  .about-header .about-watermark{
    font-size: 88px;
  }

  .about-layout{
    grid-template-columns: 1fr;
    row-gap: 22px;
  }

  .about-col--left{
    order: 2;
  }

  .about-col--center{
    order: 1;
  }

  .about-col--right{
    order: 3;
  }

  .about-metrics{
    grid-template-columns: 1fr 1fr;
  }

  .about-col--center{
    padding: 0;
  }

  .about-col--center::before,
  .about-col--center::after{
    display: none;
  }

  .about-col--right .about-desc{
    max-width: none;
  }
}

@media (max-width: 560px){
  .about-container{
    width: calc(100% - 28px);
  }

  .about-section{
    padding: 52px 0 56px;
  }

  .about-header{
    margin-bottom: 18px;
  }

  .about-header .about-watermark{
    font-size: 68px;
    letter-spacing: 0.12em;
    transform: translate(-50%, -52%);
  }

  .about-header .section-title{
    font-size: 24px;
  }

  .about-layout{
    row-gap: 18px;
  }

  .about-col--center{
    display: flex;
    justify-content: center;
  }

  .about-center-img{
    width: min(100%, 320px);
  }

  .about-metrics{
    grid-template-columns: 1fr 1fr;
    column-gap: 18px;
    row-gap: 14px;
    padding-top: 2px;
  }

  .about-metrics li{
    gap: 8px;
    min-height: 0;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.55;
  }

  .about-metrics .text{
    display: block;
  }

  .about-col--left .about-more{
    display: none;
  }

  .about-col--right{
    padding-top: 0;
  }

  .about-col--right .about-desc{
    font-size: 13px;
    line-height: 1.9;
    color: #4e5560;
  }

  .about-col--right .about-more{
    margin-top: 14px;
    font-size: 15px;
    font-weight: 500;
  }
}

@media (max-width: 400px){
  .about-container{
    width: calc(100% - 24px);
  }

  .about-header .about-watermark{
    font-size: 58px;
  }

  .about-center-img{
    width: min(100%, 300px);
  }
}

/* ...existing code... */


/* ...existing code... */

/* ================= 核心技术（按参考图：蓝色渐变背景 + 空心水印 + 2x2整合图卡片） ================= */
.core-tech-section{
  position: relative;
  overflow: hidden;
  /* 参考图是深蓝到浅蓝的过渡 */
  background: linear-gradient(180deg, #1b66c8 0%, #0f52b7 55%, #7db8e6 100%);
  padding: 78px 0 92px;
}

/* 容器宽度与 About 统一 */
.core-tech-section .tech-container{
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  position: relative;
}

/* 标题区：居中 + 水印 */
.core-tech-section .centered-header{
  position: relative;
  text-align: center;
  margin-bottom: 34px;
}

/* 用伪元素实现空心 CORE TECHNOLOGY（不需要改HTML） */
.core-tech-section .centered-header::before{
  content: "CORE TECHNOLOGY";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -58%);
  font-weight: 900;
  font-size: 78px;
  letter-spacing: 0.14em;
  white-space: nowrap;

  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.18);
  text-stroke: 1px rgba(255,255,255,0.18);

  opacity: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* 标题压在水印上 */
.core-tech-section .section-title{
  position: relative;
  z-index: 1;
  margin: 0;
  color: #fff;
  font-size: 30px;
  font-weight: 900;
}

/* 你有副标题就保留（参考图里也有淡淡英文） */
.core-tech-section .section-subtitle{
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  letter-spacing: 0.18em;
}

/* 2x2 网格 */
.core-tech-section .tech-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* 每个卡片就是一张整合图：白底圆角阴影 */
.core-tech-section .tech-card{
  display: block;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 16px 38px rgba(0,0,0,0.18);
  text-decoration: none;
  transform: translateZ(0);
  transition: transform .6s cubic-bezier(.2,.9,.2,1), box-shadow .6s cubic-bezier(.2,.9,.2,1), opacity .6s cubic-bezier(.2,.9,.2,1);
  opacity: 0;
}

.core-tech-section .tech-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(0,0,0,0.22);
}

/* 进入效果：奇数卡片从左，偶数卡片从右 */
.core-tech-section .tech-card.enter-left{ transform: translateX(-80px); }
.core-tech-section .tech-card.enter-right{ transform: translateX(80px); }
.core-tech-section .tech-card.inview-child { opacity: 1; transform: translateX(0); }
 
/* 悬停强化：在已进入视口后，鼠标移上去有放大/上移效果；同时支持键盘焦点 */
.core-tech-section .tech-card.inview-child:hover,
.core-tech-section .tech-card.inview-child:focus {
  transform: translateX(0) translateY(-8px) scale(1.03);
  box-shadow: 0 26px 56px rgba(0,0,0,0.24);
}

/* 保证鼠标指针效果 */
.core-tech-section .tech-card { cursor: pointer; }

/* 图片铺满卡片 */
.core-tech-section .tech-card-img{
  display: block;
  width: 100%;
  height: auto;
}

/* 如果4张图比例一致，建议锁定比例，避免布局跳动（按需开/关）
.core-tech-section .tech-card-img{
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
*/

/* 响应式 */
@media (max-width: 1100px){
  .core-tech-section .tech-container{
    width: min(980px, calc(100% - 48px));
  }
  .core-tech-section .centered-header::before{
    font-size: 78px;
  }
}

@media (max-width: 960px){
  .core-tech-section{
    padding: 64px 0 74px;
  }

  .core-tech-section .tech-grid{
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .core-tech-section .centered-header::before{
    font-size: 62px;
  }
}

@media (max-width: 560px){
  .core-tech-section .tech-container{
    width: calc(100% - 28px);
  }

  .core-tech-section .centered-header{
    overflow: visible;
    margin-bottom: 22px;
  }

  .core-tech-section .centered-header::before{
    left: 50%;
    top: 50%;
    transform: translate(-50%, -56%);
    font-size: clamp(46px, 15vw, 46px);
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .core-tech-section .section-title{
    font-size: 22px;
  }
}
/* ...existing code... */

/* ...existing code... */

/* ================= 多场景校园服务方案（整图卡片 + 左右箭头） ================= */
.scene-solution-section{
  position: relative;
  background: #fff;
  padding: 68px 0 82px;
  overflow: hidden;
}

.scene-solution-container{
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  position: relative;
}

/* 标题区：居中 + 可加水印 */
.scene-solution-header{
  position: relative;
  text-align: center;
  margin-bottom: 30px;
}

/* 如果你想要截图那种淡淡的英文大水印（不改HTML，用伪元素） */
.scene-solution-header::before{
  content: "SERVICE PLAN";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -56%);
  font-weight: 900;
  font-size: 74px;
  letter-spacing: 0.18em;
  white-space: nowrap;

  color: transparent;
  -webkit-text-stroke: 1px rgba(0,0,0,0.06);
  text-stroke: 1px rgba(0,0,0,0.06);

  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.scene-solution-header .section-title{
  position: relative;
  z-index: 1;
}

/* 外层盒子：用于放置箭头 */
.scene-solution-box{
  position: relative;
}

.scene-solution-viewport{
  position: relative;
  overflow: hidden;
}

.scene-solution-track{
  position: relative;
  display: flex;
  width: 100%;
  transform: translate3d(0, 0, 0);
  transition: transform 720ms cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
  backface-visibility: hidden;
}

.scene-solution-track.is-no-transition{
  transition: none;
}

.scene-solution-slide{
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.scene-solution-slide.is-active{
  position: relative;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: auto;
}

.scene-solution-slide.is-entering,
.scene-solution-slide.is-leaving{
  visibility: visible;
  animation: none;
}

.scene-solution-slide.is-entering{
  z-index: auto;
}

.scene-solution-slide.is-leaving{
  z-index: auto;
}

.scene-solution-slide.is-entering-next{
  animation: none;
}

.scene-solution-slide.is-entering-prev{
  animation: none;
}

.scene-solution-slide.is-leaving-next{
  animation: none;
}

.scene-solution-slide.is-leaving-prev{
  animation: none;
}

@keyframes sceneSolutionEnterNext{
  0%{
    opacity: 0;
    transform: translateX(16%) scale(0.96) rotate(-1deg);
  }
  70%{
    opacity: 1;
    transform: translateX(-2%) scale(1.01) rotate(0.2deg);
  }
  100%{
    opacity: 1;
    transform: translateX(0) scale(1) rotate(0);
  }
}

@keyframes sceneSolutionEnterPrev{
  0%{
    opacity: 0;
    transform: translateX(-16%) scale(0.96) rotate(1deg);
  }
  70%{
    opacity: 1;
    transform: translateX(2%) scale(1.01) rotate(-0.2deg);
  }
  100%{
    opacity: 1;
    transform: translateX(0) scale(1) rotate(0);
  }
}

@keyframes sceneSolutionLeaveNext{
  0%{
    opacity: 1;
    transform: translateX(0) scale(1) rotate(0);
  }
  100%{
    opacity: 0;
    transform: translateX(-12%) scale(0.97) rotate(0.8deg);
  }
}

@keyframes sceneSolutionLeavePrev{
  0%{
    opacity: 1;
    transform: translateX(0) scale(1) rotate(0);
  }
  100%{
    opacity: 0;
    transform: translateX(12%) scale(0.97) rotate(-0.8deg);
  }
}

/* 中间整图卡片 */
.scene-solution-hero{
  display: block;
  margin: 0 auto;
  width: min(1100px, 100%);
  aspect-ratio: 1400 / 488;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 16px 34px rgba(0,0,0,0.12);
  text-decoration: none;
}

.scene-solution-hero-img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 左右箭头：覆盖在卡片两侧中部 */
.scene-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.08);
    background: #ffffff91;
    color: #3b3b3b;
    display: grid;
    place-items: center;
    cursor: pointer;
    z-index: 2;
    box-shadow: 0 10px 22px rgba(0,0,0,0.12);
    line-height: 1;
    font-size: 26px;
    padding: 0;
}

.scene-arrow--prev{ left: -18px; }
.scene-arrow--next{ right: -18px; }

.scene-arrow:hover{
  border-color: rgba(0,0,0,0.14);
  box-shadow: 0 14px 28px rgba(0,0,0,0.16);
}

/* 可选：按截图箭头更“灰一点” */
.scene-arrow:active{
  transform: translateY(-50%) scale(0.98);
}

.scene-arrow[disabled]{
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
}

.scene-solution-dots{
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}

.scene-solution-dot{
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(19, 65, 99, 0.18);
  cursor: pointer;
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.scene-solution-dot.is-active{
  background: #134163;
  transform: scale(1.2);
}

/* 响应式 */
@media (max-width: 1100px){
  .scene-solution-container{
    width: min(980px, calc(100% - 48px));
  }
  .scene-arrow--prev{ left: -12px; }
  .scene-arrow--next{ right: -12px; }
}

@media (max-width: 768px){
  .scene-solution-section{
    padding: 54px 0 64px;
  }
  .scene-solution-header::before{
    font-size: 54px;
  }
  .scene-arrow{
    width: 38px;
    height: 38px;
    font-size: 24px;
  }
  .scene-solution-dots{
    margin-top: 18px;
  }
  .scene-arrow--prev{ left: -8px; }
  .scene-arrow--next{ right: -8px; }
}

@media (max-width: 560px){
  .scene-solution-container{
    width: calc(100% - 28px);
  }
  /* 手机上避免箭头压住内容太多：贴边一点 */
  .scene-arrow--prev{ left: -6px; }
  .scene-arrow--next{ right: -6px; }
}

/* ...existing code... */

/* ...existing code... */

/* ================= 技术实力·权威认证（按参考图：左文 + 数字，右证书整图） ================= */
.cert-section{
  position: relative;
  background: #fff;
  padding: 52px 0 60px;
  overflow: hidden;
  background-image: url("../images/cert-hero.jpg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
  min-height: 634px;
}

.cert-container{
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
}

.cert-card{
  position: relative;
  min-height: 336px;
  overflow: hidden;
}



.cert-copy{
  position: relative;
  z-index: 2;
  width: 50%;
  padding: 38px 0 46px 4%;
  margin-top: 8%;
}

.cert-watermark{
  position: absolute;
  left: 7%;
  top: 10px;
  font-weight: 900;
  font-size: 90px;
  letter-spacing: -5px;
  line-height: 0.9;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.78) 0%,
    rgba(244, 248, 252, 0.44) 55%,
    rgba(223, 233, 244, 0.08) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.86;
  z-index: 1;
}

.cert-title{
  margin: 20px 0 0;
  font-size: 38px;
  line-height: 1.14;
  font-weight: 900;
  color: #111;
  z-index: 2;
}

.cert-stats{
  display: flex;
  gap: 35px;
  margin-top: 38px;
  width: 350px;
}

.cert-stat{
  min-width: 0;
}

.cert-num{
  display: flex;
  align-items: flex-end;
  gap: 2px;
  line-height: 1;
  color: #0b4ba2;
}

.cert-num .countup{
  line-height: 1;
  font-weight: 900;
  font-size: 40px;
}

.cert-unit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 0.12em;
    margin-bottom: 0.04em;
    border-radius: 2px;
    /*background: #0b4ba2;*/
    color: #0b4ba2;
    font-size: 30px;
    font-weight: unset;
    line-height: 1;
}

.cert-label{
  margin-top: 6px;
  font-size: 20px;
  line-height: 1.35;
  color: #343434;
}

.cert-visual{
  display: none;
}

.cert-visual-pc,
.cert-visual-mobile{
  display: none;
}

/* 响应式 */
@media (max-width: 1100px){
  .cert-container{
    width: min(980px, calc(100% - 48px));
  }

  .cert-card{
    min-height: 300px;
  }

  .cert-copy{
    width: 290px;
    padding-left: 52px;
  }

  .cert-watermark{
    left: 52px;
    font-size: 58px;
  }

  .cert-title{
    font-size: 22px;
  }

  .cert-stats{
    width: 270px;
    gap: 18px;
  }

  .cert-num{
    font-size: 22px;
  }

  .cert-label{
    font-size: 11px;
  }
}

@media (max-width: 768px){
  .cert-section{
    padding: 18px 0 20px;
  }

  .cert-container{
    width: calc(100% - 20px);
  }

  .cert-card{
    min-height: 710px;
    background-color: #edf4fb;
    background-image: url("../images/cert-mobile.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
  }

  .cert-card::after{
    background: linear-gradient(
      180deg,
      rgba(237, 244, 251, 0.04) 0%,
      rgba(237, 244, 251, 0.00) 36%,
      rgba(237, 244, 251, 0.00) 100%
    );
  }

  .cert-copy{
    width: 100%;
    padding: 42px 24px 0;
  }

  .cert-watermark{
    left: 24px;
    top: 14px;
    font-size: 86px;
    letter-spacing: 0.03em;
    opacity: 0.88;
  }
}

@media (max-width: 420px){
  .cert-section{
    padding: 12px 0 16px;
    background: none;
    min-height: 434px;
  }

  .cert-container{
    width: calc(100% - 16px);
  }

  .cert-card{
    min-height: 463px;

  }

  .cert-copy{
    padding: 34px 24px 0;
    margin-top: -1%;
  }

  .cert-watermark{
    left: 24px;
    top: 10px;
    font-size: 74px;
  }

  .cert-title{
    margin-top: 40px;
    font-size: 28px;
  }

  .cert-stats{
    margin-top: 42px;
    width: min(320px, 100%);
    gap: 16px;
  }

  .cert-num{
    font-size: 28px;
  }

  .cert-label{
    font-size: 13px;
  }
}

/* ...existing code... */

/* ================= 案例展示（滚动轮播：中间亮 + 文案；两侧暗 + 无文案） ================= */
.cases-section{
  position: relative;
  background: #fff;
  padding: 78px 0 92px;
  overflow: hidden;
}

/* 淡水印（截图里很浅的英文） */
.cases-section::before{
  content: "CASE SHOW";
  position: absolute;
  left: 50%;
  top: 26px;
  transform: translateX(-50%);
  font-weight: 900;
  font-size: 92px;
  letter-spacing: 0.18em;
  white-space: nowrap;

  color: transparent; /* 关键：不填充 */
  -webkit-text-stroke: 1px rgba(20, 40, 60, 0.08); /* 关键：空心描边 */
  text-stroke: 1px rgba(20, 40, 60, 0.08);

  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.cases-section .container{
  position: relative;
  z-index: 1;
}

.cases-section .section-header{
  text-align: center;
  margin-bottom: 34px;
}

/* 外框：裁切轨道 + 作为箭头定位容器 */
.cases-wrapper{
  position: relative;
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  overflow: hidden; /* 关键：滑动时裁切 */
}

/* 轨道：配合 JS translateX 滑动 */
.cases-grid{
  display: flex;
  gap: 18px;                 /* JS 里 GAP=18 */
  align-items: flex-start;
  will-change: transform;
  transform: translateX(0);
}

/* 卡片：三等分。中间“突出”用 scale 而不是真的改宽，避免 JS 步长复杂 */
.case-card{
  flex: 0 0 calc((100% - 36px) / 3); /* 2个gap=36 */
  border-radius: 10px;
  background: transparent;
  overflow: visible; /* 让 info 作为独立块在图片下方有间距 */
  transition: transform .25s ease, filter .25s ease;
}

/* 图片框 */
.case-card .case-img{
  width: 100%;
  height: 240px;
  border-radius: 10px;
  overflow: hidden;
  background: #eef2f6;
  box-shadow: 0 18px 44px rgba(0,0,0,0.10);
}
.case-card .case-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease, filter .25s ease;
}

/* 两侧：暗、略小 */
.case-card:not(.active){
  transform: translateY(8px) scale(0.96);
}
.case-card:not(.active) .case-img img{
  filter: brightness(0.65) saturate(0.90) contrast(0.95);
  transform: scale(1.02);
}

/* 中间：更亮、更突出 */
.case-card.active{
  transform: translateY(0) scale(1.02);
}
.case-card.active .case-img{
  box-shadow: 0 22px 54px rgba(0,0,0,0.12);
}
.case-card.active .case-img img{
  filter: none;
}

/* 文本框：默认隐藏；仅 active 显示 */
.case-card .case-info{
  display: none;
}
.case-card.active .case-info{
  display: block;
  margin-top: 10px;          /* 关键：离图片 10px */
  border-radius: 10px;       /* 关键：圆角 */
  background: #fff;
  padding: 18px 20px 18px 18px;
  box-shadow: 0 14px 34px rgba(0,0,0,0.10);
  margin-bottom: 20px; 
}

/* 文本样式 */
.case-info h3{
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: #1f2a35;
}
.case-info > p{
  margin: 8px 0 0;
  font-size: 13px;
  color: #2d5ea8;
  font-weight: 700;
}
.case-line{
  margin: 12px 0 10px;
  height: 1px;
  width: 56px;
  background: rgba(24, 86, 160, 0.35);
}
.case-desc{
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: #5b6773;
}

/* 悬停：图片微放大（可选） */
.case-card:hover .case-img img{
  transform: scale(1.06);
}

/* 左右箭头：圆形覆盖在两侧中间 */
.case-nav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 12px 26px rgba(0,0,0,0.14);
  z-index: 5;
  cursor: pointer;
}
.case-nav.prev{ left: 10px; }
.case-nav.next{ right: 10px; }

.case-nav::before{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid rgba(30, 45, 60, 0.55);
  border-bottom: 2px solid rgba(30, 45, 60, 0.55);
  transform: translate(-45%, -50%) rotate(135deg);
}
.case-nav.next::before{
  transform: translate(-55%, -50%) rotate(-45deg);
}
.case-nav:hover{
  background: rgba(255,255,255,0.95);
  border-color: rgba(0,0,0,0.12);
}

/* ================= 响应式 ================= */
@media (max-width: 1100px){
  .cases-wrapper{
    width: min(980px, calc(100% - 48px));
  }
}

@media (max-width: 960px){
  .cases-wrapper{
    width: calc(100% - 48px);
  }
  .case-card .case-img{ height: 220px; }
}

@media (max-width: 768px){
  /* 小屏不做三卡滑动展示时，可先隐藏箭头（你 JS 仍可跑但体验一般） */
  .case-nav{ display: none; }

  /* 这里简单改成单卡宽（如果你要手机也轮播，我再给你“单卡步长”的 JS 版本） */
  .case-card{
    flex: 0 0 100%;
  }
  .case-card:not(.active){
    transform: none;
  }
  .case-card:not(.active) .case-img img{
    filter: none;
  }
  .case-card .case-info{
    display: block; /* 手机上全部显示也更合理；如仍需仅中间显示再改回去 */
    margin-top: 10px;
    border-radius: 10px;
    background: #fff;
    padding: 16px 16px;
    box-shadow: 0 14px 34px rgba(0,0,0,0.10);
  }

  /*首页联系我们*/
  .contact-section{
    padding: 4px 0 48px;
    overflow: hidden;
  }

  .contact-outer{
    width: calc(100% - 8px);
  }

  .contact-header{
    margin-bottom: 14px;
  }

  .contact-watermark{
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    text-align: center;
    font-size: 56px;
    letter-spacing: 3px;
    white-space: nowrap;
    -webkit-text-stroke: 1px rgba(16, 54, 120, 0.10);
    text-stroke: 1px rgba(16, 54, 120, 0.10);
  }

  .contact-title{
    font-size: 20px;
    font-weight: 800;
    color: #2d2d2d;
  }

  .contact-card{
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 18px;
    padding: 20px 14px 18px;
    border-radius: 6px;
    background:
      linear-gradient(180deg, rgba(27,118,214,0.95) 0%, rgba(132,201,243,0.88) 55%, rgba(255,255,255,0) 100%),
      url("../images/contact-bg.jpg") center bottom / cover no-repeat;
    box-shadow: none;
    border: none;
  }

  .contact-info{
    padding: 0;
  }

  .contact-info-item{
    grid-template-columns: 42px 1fr;
    column-gap: 10px;
    padding: 0;
    border-radius: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .contact-info-item + .contact-info-item{
    margin-top: 18px;
  }

  .contact-icon{
    width: 34px;
    height: 34px;
    background: #fff;
    color: #1659c6;
    border: none;
  }

  .contact-icon svg{
    width: 16px;
    height: 16px;
  }

  .contact-info-label{
    margin-bottom: 2px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
  }

  .contact-info-value{
    font-size: 12px;
    line-height: 1.6;
    color: #fff;
    word-break: break-all;
  }

  .contact-form{
    align-self: stretch;
  }

  .contact-grid{
    gap: 10px;
  }

  .contact-grid--img{
    grid-template-columns: repeat(6, 1fr);
  }

  .contact-grid--img > .field:nth-child(1),
  .contact-grid--img > .field:nth-child(2){
    grid-column: 1 / -1 !important;
  }

  .contact-grid--img > .field:nth-child(3),
  .contact-grid--img > .field:nth-child(4),
  .contact-grid--img > .field:nth-child(5){
    grid-column: span 2 !important;
  }

  .contact-grid--img .field--full{
    grid-column: 1 / -1 !important;
  }

  .contact-grid--img input,
  .contact-grid--img select,
  .contact-grid--img textarea{
    border-radius: 4px;
    border: none;
    background: rgba(255,255,255,0.96);
    box-shadow: none;
    font-size: 14px;
    color: #444;
  }

  .contact-grid--img input,
  .contact-grid--img select{
    height: 40px;
    padding: 0 12px;
  }

  .contact-grid--img textarea{
    min-height: 120px;
    padding: 12px;
  }

  .contact-grid--img > .field:last-child{
    display: flex;
    justify-content: center;
  }

  .contact-submit{
    width: 148px;
    height: 36px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    background: #1659c6;
    box-shadow: 0 8px 18px rgba(22, 89, 198, 0.22);
  }
}

@media (max-width: 560px){
  .cases-wrapper{
    width: calc(100% - 28px);
  }
  .cases-section::before{
    font-size: 58px;
  }
  .case-card .case-img{ height: 200px; }
}

@media (max-width: 768px){
  /* 不隐藏箭头（覆盖你上面写的 display:none） */
  .case-nav{ display: block; }

  /* 轨道：单卡展示时不需要 gap，避免计算误差 */
  .cases-grid{ gap: 0; }

  /* 关键：只显示 active 那张 */
  .case-card{ display: none; flex: 0 0 100%; }
  .case-card.active{ display: block; }

  /* 两侧压暗在手机端不需要，强制取消滤镜 */
  .case-card .case-img img{ filter: none; transform: none; }

  /* 文本框：只给 active 展示（覆盖你上面“手机全部显示”） */
  .case-card .case-info{ display: none; }
  .case-card.active .case-info{
    display: block;
    margin-top: 10px;
    border-radius: 10px;
    background: #fff;
    padding: 16px 16px;
    box-shadow: 0 14px 34px rgba(0,0,0,0.10);
  }
}

/* ...existing code... */

/* ========== Contact Section（保留当前样式，整理去重版） ========== */
.contact-section{
  background: #fff;
  padding: 80px 0 90px;
}

.contact-outer{
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

/* 标题：空心水印 */
.contact-header{
  position: relative;
  text-align: center;
}

.contact-watermark{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -55%);
  z-index: 0;
  pointer-events: none;
  user-select: none;

  font-weight: 800;
  letter-spacing: 10px;
  text-transform: uppercase;
  font-size: clamp(56px, 70px, 110px);

  color: transparent;
  -webkit-text-stroke: 1px rgba(16, 54, 120, 0.18);
  text-stroke: 1px rgba(16, 54, 120, 0.18);
}

.contact-title{
  position: relative;
  z-index: 1;
}

/* 卡片：背景雪山图 + 两列（左信息/右表单） */
.contact-card{
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 22px;

  padding: 26px;
  margin-top: 50px;

  border-radius: 14px;
  background: url("../images/contact-bg.jpg") center / cover no-repeat;

  box-shadow: 0 18px 40px rgba(12, 44, 88, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.65);
  overflow: hidden;
}

/* 左侧信息 */
.contact-info{
  padding: 8px 8px 8px 6px;
}

.contact-info-item{
  display: grid;
  grid-template-columns: 38px 1fr;
  column-gap: 12px;
  align-items: start;

  padding: 14px 10px;
  border-radius: 12px;

  /* 你原来注释掉了背景和边框，这里继续保持注释逻辑（不加回） */
  /* background: rgba(255, 255, 255, 0.55);
     border: 1px solid rgba(255, 255, 255, 0.6); */

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.contact-info-item + .contact-info-item{
  margin-top: 12px;
}

.contact-icon{
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;

  color: #0b57d0;
  background: rgb(246 247 249 / 94%);
  border: 1px solid rgb(11 87 208 / 0%);
}

.contact-info-label{
  font-size: 13px;
  color: #000;
  margin-bottom: 4px;
}

.contact-info-value{
  font-size: 14px;
  color: #1b2a40;
  line-height: 1.6;
}

/* 右侧表单容器 */
.contact-form{
  align-self: center;
}

/* 你现在表单使用 contact-grid contact-grid--img
   - contact-grid：仅保留 gap（不再定义2列，避免与6列布局意外叠加）
*/
.contact-grid{
  display: grid;
  gap: 14px;
}

/* 表单网格：2列（姓名/联系方式）、3列（省/市/县区）、全宽（需求/按钮） */
.contact-grid--img{
  grid-template-columns: repeat(6, 1fr);
}

/* 第一行：各占3列 */
.contact-grid--img > .field:nth-child(1),
.contact-grid--img > .field:nth-child(2){
  grid-column: span 3;
}

/* 第二行：各占2列 */
.contact-grid--img > .field:nth-child(3),
.contact-grid--img > .field:nth-child(4),
.contact-grid--img > .field:nth-child(5){
  grid-column: span 2;
}

/* 全宽行 */
.contact-grid--img .field--full{
  grid-column: 1 / -1;
}

/* 输入控件：保持你当前的“扁平白底”效果 */
.contact-grid--img input,
.contact-grid--img select,
.contact-grid--img textarea{
  width: 100%;
  border-radius: 6px;
  border: 1px solid rgba(20, 40, 70, 0.14);
  background: rgba(255, 255, 255, 0.92);

  font-size: 14px;
  color: #1b2a40;
  outline: none;
  box-sizing: border-box;
}

.contact-grid--img input,
.contact-grid--img select{
  height: 40px;
  padding: 0 12px;
}

.contact-grid--img textarea{
  padding: 10px 12px;
  min-height: 92px;
  resize: none;
}

.contact-grid--img input:focus,
.contact-grid--img select:focus,
.contact-grid--img textarea:focus{
  border-color: rgba(11, 87, 208, 0.50);
  box-shadow: 0 0 0 3px rgba(11, 87, 208, 0.10);
  background: rgba(255, 255, 255, 0.98);
}

/* 提交按钮：以你“后面那版”为准（小按钮） */
.contact-submit{
  width: 110px;
  height: 36px;
  border-radius: 4px;
  border: none;
  cursor: pointer;

  background: #0b57d0;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

/* 响应式：900px 以下改为上下布局 + 表单一列 */
@media (max-width: 900px){
  .contact-card{
    grid-template-columns: 1fr;
    background: url("../images/contact-bg.jpg") center / cover no-repeat;
  }

  .contact-grid--img{
    grid-template-columns: 1fr;
  }

  .contact-grid--img > .field{
    grid-column: 1 / -1 !important;
  }
}


/* === Footer (match red-box structure) === */
.footer{
  background: #eef3f8;
  padding: 42px 0 18px;
  color: #6b7785;
  font-size: 14px;
  text-align: left;
}

.footer-container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* top: menus + qrcodes */
.footer-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 18px;
}

.footer-menus{
  flex: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  column-gap: 28px;
  row-gap: 18px;
}

.footer-col h4{
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: #2b3a4b;
}

.footer-col ul{
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col li{
  line-height: 28px;
  white-space: nowrap;
}

.footer a{
  color: #6b7785;
  text-decoration: none;
}

.footer a:hover{
  color: #1b6cff;
}

/* qrcodes right */
.footer-qrcodes{
  width: 230px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.footer-qr{
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(27,108,255,.08);
  border-radius: 10px;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-qr img{
  width: 96px;
  height: 96px;
  display: block;
  object-fit: cover;
}

/* meta bottom area */
.footer-meta{
  border-top: 1px solid rgba(27,108,255,.10);
  padding-top: 14px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.footer-left p{
  margin: 6px 0;
}

.footer-left .muted{
  color: #8a97a6;
  font-size: 12px;
}

.footer-legal{
  margin-top: 10px;
  font-size: 12px;
  color: #8a97a6;
}

.footer-legal a{
  color: #8a97a6;
}

.footer-legal a:hover{
  color: #1b6cff;
}

.footer-legal .sep{
  margin: 0 8px;
  color: rgba(107,119,133,.7);
}

/* social icons bottom-right */
.footer-social{
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}

.social-btn{
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(27,108,255,.10);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .15s ease, background-color .15s ease;
}

.social-btn:hover{
  transform: translateY(-1px);
  background: #fff;
}

.social-btn img{
  width: 100%;
  height: 100%;
  display: block;
}

/* responsive */
@media (max-width: 992px){
  .footer-top{
    flex-direction: column;
    display: flex;
    justify-content: center;
    align-items: center;

  }
  .footer-menus{
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
  .footer-qrcodes{
    width: auto;
    justify-content: start;
  }
  .footer-meta{
    flex-direction: column;
    align-items: center;
  }
  .footer-social{
    justify-content: flex-start;
  }
}

@media (max-width: 576px){
  .footer-container{
    padding: 0 16px;
    text-align: center;
  }
  .footer-menus{
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    display: none;
  }
  .footer-qr img{
    width: 86px;
    height: 86px;
  }
}

/*手机端联系我们*/
@media (max-width: 420px) {
    .contact-watermark {
        font-size: 50px;
        letter-spacing: 2px;
    }

    .contact-title {
        font-size: 18px;
    }

    .contact-card {
        padding: 18px 10px 16px;
    }

    .contact-grid--img input,
    .contact-grid--img select {
        height: 38px;
        font-size: 13px;
    }

    .contact-grid--img textarea {
        min-height: 110px;
        font-size: 13px;
    }

    .contact-submit {
        width: 140px;
        height: 34px;
        font-size: 13px;
    }
}