/* ============================================================
   物流货运服务有限公司 - 模板复刻样式（响应式）
   桌面(≥1200px)保持模板视觉；平板/手机自动自适应
   主色：#db0f31（红） #365cad（蓝） #202020（黑） #5a5a5a（灰）
   ============================================================ */

/* ---------- 基础 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  font-family: 微软雅黑, "Microsoft YaHei", Arial, sans-serif;
  font-size: 12px;
  color: #5a5a5a;
  background: #ffffff;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  border: 0;
}

#scroll_container {
  position: relative;
}

#canvas {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  height: auto;
}

/* 区块通用：流式纵向排列，容器内元素用绝对定位保持模板视觉 */
.full_column {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  /* max-width: none; */
  overflow: visible;
}

.full_width {
  position: absolute;
  left: 50%;
  top: 0;
  width: 100vw;
  height: 100%;
  margin-left: -50vw;
}

.full_content {
  position: relative;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- 顶部导航（固定） ---------- */
#top-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background-color: transparent;
  z-index: 500;
  transition: background-color 0.3s ease;
}

#top-nav.scrolled {
  background-color: rgba(0, 0, 0, 0.7);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  /* padding-top: 10px; */
  height: 90px;
  position: relative;
}

.nav-logo {
  position: absolute;
  left: 0;
  top: 19px;
  display: block;
  z-index: 2;
}

.nav-logo img {
  width: 190px;
  height: 52px;
}

.main-nav {
  position: absolute;
  left: 360px;
  top: 0;
  width: 840px;
  height: 90px;
}

.main-nav li {
  float: left;
  width: 120px;
  height: 90px;
  line-height: 90px;
  text-align: center;
}

.main-nav li a {
  display: block;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 17px;
  font-weight: bold;
  color: #d9d9d9;
}

.main-nav li:hover {
  background-color: transparent;
  background-image: url('../images/menu-bg.png');
  background-position: center center;
  background-repeat: no-repeat;
}

.main-nav li.active a {
  color: #ffffff;
  border-bottom: none;
  line-height: 90px;
}

/* 当前项常驻边框（进入页面后可见）；悬浮其他项时由 .hovering 隐藏，避免重叠 */
.main-nav li.active {
  background-color: transparent;
  background-image: url('../images/menu-bg.png');
  background-position: center center;
  background-repeat: no-repeat;
}

.main-nav li.active:hover {
  background-color: transparent;
  background-image: url('../images/menu-bg.png');
  background-position: center center;
  background-repeat: no-repeat;
}

/* 鼠标悬浮在导航上时，当前项边框隐藏，只保留悬浮项边框 */
.main-nav.hovering li.active {
  background-image: none;
}

.main-nav li a:hover {
  color: #ffffff;
}

/* 下拉子菜单已移除（模板导航 hover 无下拉菜单） */
.main-nav li {
  position: relative;
}

.main-nav li .sub-nav {
  display: none;
}

/* ---------- 横幅 ---------- */
.banner {
  height: 100vh;
}

.banner-bg {
  height: 100%;
  overflow: hidden;
  background-color: #000000;
}

.fullwidth_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner-mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000000;
  opacity: 0.5;
}

.banner-title {
  position: absolute;
  left: 0;
  top: 300px;
  width: 100%;
  height: 68px;
  text-align: center;
}

.banner-title strong {
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 56px;
  font-weight: bold;
  line-height: 140%;
}

.c-white {
  color: #ffffff;
}

.c-red {
  color: #db0f31;
}

.banner-sub {
  position: absolute;
  left: 0;
  top: 390px;
  width: 100%;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 20px;
  color: #ffffff;
}

.banner-desc {
  position: absolute;
  left: 0;
  top: 450px;
  width: 100%;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 28px;
  color: #ffffff;
}

.banner-desc strong {
  font-weight: bold;
}

.banner-btn {
  position: absolute;
  left: 50%;
  margin-left: -80px;
  top: 550px;
  width: 160px;
  height: 50px;
  line-height: 50px;
  text-align: center;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 16px;
  text-align: center;
}

.btn-primary {
  background-color: rgba(219, 15, 49, 1);
  color: #ffffff;
  border-radius: 50px;
}

.btn-primary:hover {
  background-color: #434343;
  border-color: #ffffff;
  color: #ffffff;
  transition: border-color 0.4s, background-color 0.4s;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  background-color: rgba(219, 15, 49, 1);
  border-radius: 20px;
}

.btn-outline:hover {
  background-color: #434343;
  border-color: #ffffff;
  color: #ffffff;
  transition: border-color 0.4s, background-color 0.4s;
}

/* ---------- 公司介绍（桌面） ---------- */
.section-about {
  height: 560px;
}

.about-left {
  position: absolute;
  left: 0;
  top: 0;
  width: 600px;
}

.about-title {
  position: absolute;
  left: 0;
  top: 80px;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 24px;
  color: #db0f31;
  font-weight: bold;
  width: 485px;
}

.about-en {
  position: absolute;
  left: 0;
  top: 120px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  color: #999999;
  text-transform: uppercase;
  width: 505px;
}

.about-lead {
  position: absolute;
  left: 0;
  top: 170px;
  font-size: 15px;
  color: #333333;
  line-height: 220%;
  width: 560px;
}

.about-desc {
  position: absolute;
  left: 0;
  top: 238px;
  font-size: 15px;
  color: #333333;
  line-height: 220%;
  width: 559px;
}

.about-descx {
  position: absolute;
  left: 0;
  top: 376px;
  font-size: 15px;
  color: #333333;
  line-height: 220%;
  width: 559px;
}

.about-btn {
  position: absolute;
  left: 0;
  top: 480px;
  width: 120px;
  height: 36px;
  line-height: 34px;
  font-size: 14px;
}

.about-img {
  position: absolute;
  left: 640px;
  top: 170px;
  width: 560px;
  height: 350px;
  overflow: hidden;
}

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

.about-img .video-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  background: url('../images/video1.png') no-repeat center center;
  background-size: 80px 80px;
  cursor: pointer;
  z-index: 2;
  opacity: 1;
  transition: opacity 0.3s;
  animation: playFlash 2s ease-in-out infinite;
}

@keyframes playFlash {

  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.92);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.about-img .video-play-btn:hover {
  background-image: url('../images/video2.png');
}

/* ---------- 数字统计（桌面） ---------- */
.section-stats {
  height: 220px;
}

.stat {
  position: absolute;
  top: 30px;
  width: 300px;
  height: 70px;
}

.stat:nth-child(1) {
  left: 0;
}

.stat:nth-child(2) {
  left: 300px;
}

.stat:nth-child(3) {
  left: 600px;
}

.stat:nth-child(4) {
  left: 900px;
}

.num {
  position: relative;
  width: 300px;
  height: 70px;
  text-align: center;
  font-family: tahoma, sans-serif;
  font-size: 48px;
  font-weight: bold;
  color: #db0f30;
  line-height: 70px;
}

.num-val {
  font-family: tahoma, sans-serif;
}

.suffix {
  display: inline-block;
  font-size: 24px;
  color: #666666;
  font-weight: normal;
  margin-left: 8px;
  vertical-align: baseline;
}

.stat:nth-child(1) .suffix {
  font-size: 20px;
}

.label {
  position: absolute;
  left: 0;
  top: 80px;
  width: 300px;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 14px;
  color: #666666;
}

/* ---------- 区块标题通用 ---------- */
.sec-title {
  position: absolute;
  left: 395px;
  top: 60px;
  width: 410px;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 24px;
  font-weight: bold;
}

.sec-title.c-white {
  color: #ffffff;
}

.sec-title.c-gray {
  color: #434343;
}

.sec-line {
  position: absolute;
  left: 536px;
  top: 110px;
  width: 123px;
  height: 10px;
}

.sec-line img {
  width: 123px;
  height: 10px;
  display: block;
}

.sec-sub {
  position: absolute;
  left: 220px;
  top: 140px;
  width: 760px;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 15px;
}

.sec-sub.c-white {
  color: #ffffff;
}

.sec-sub.c-gray2 {
  color: #999999;
}

/* ---------- 服务项目 ---------- */
.section-services {
  height: 997px;
}

.services-bg {
  height: 400px;
  background-color: #000000;
  background-image: url('../images/slide4.jpg');
  background-position: center bottom;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: auto;
}

.product-list {
  position: absolute;
  left: 0;
  top: 240px;
  width: 100%;
  overflow: visible;
}

.product-list li {
  position: absolute;
  width: 384px;
  height: 365px;
  margin: 0;
  background-color: #FBFBFB;
  border: 1px solid #EEEEEE;
  padding: 15px;
  box-sizing: border-box;
}

.product-list li:hover {
  position: absolute;
  width: 384px;
  height: 365px;
  margin: 0;
  border: 1px solid #db0f31;
  padding: 15px;
  box-sizing: border-box;
}

.product-list li:nth-child(1),
.product-list li:nth-child(4) {
  left: 0;
}

.product-list li:nth-child(2),
.product-list li:nth-child(5) {
  left: 406px;
}

.product-list li:nth-child(3),
.product-list li:nth-child(6) {
  left: 812px;
}

.product-list li:nth-child(1),
.product-list li:nth-child(2),
.product-list li:nth-child(3) {
  top: 0;
}

.product-list li:nth-child(4),
.product-list li:nth-child(5),
.product-list li:nth-child(6) {
  top: 387px;
}

.product-list li:hover .p-title {
  color: #db0f31;
}

.p-img {
  width: 352px;
  height: 220px;
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  overflow: hidden;
}

.p-img img {
  max-width: 352px;
  max-height: 220px;
  width: auto;
  height: auto;
}

.p-title {
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 16px;
  color: #000000;
  line-height: 120%;
  padding: 12px 9px 0;
  text-align: center;
}

.p-desc {
  font-size: 13px;
  color: #999999;
  line-height: 175%;
  padding: 10px 9px 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  /* 显示 3 行 */
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
  /* 可选，防止长单词撑开 */
}

/* ---------- 客户案例 ---------- */
.section-case {
  height: 600px;
}

.case-bg {
  height: 100%;
  background-color: #365cad;
  background-image: url('../images/slide1.jpg');
  background-position: center center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
}

.case-img {
  position: absolute;
  left: 0;
  top: 80px;
  width: 720px;
  height: 450px;
  overflow: hidden;
}

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

.case-box {
  position: absolute;
  left: 640px;
  top: 165px;
  width: 560px;
  height: 268px;
  background-color: #F2F2F2;
  border: 1px solid #EEEEEE;
}

.case-name {
  position: absolute;
  left: 46px;
  top: 30px;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 22px;
  color: #db0f30;
}

.case-tag {
  position: absolute;
  left: 50px;
  top: 75px;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 18px;
  color: #434343;
}

.case-line {
  position: absolute;
  left: 50px;
  top: 100px;
  width: 60px;
  border-top: 1px solid #EEEEEE;
}

.case-quote {
  position: absolute;
  left: 47px;
  top: 68px;
  width: 462px;
  font-size: 14px;
  color: #434343;
  line-height: 200%;
}

.case-arrows {
  position: absolute;
  left: 50px;
  top: 300px;
}

.case-arrows img {
  width: 38px;
  height: 38px;
  cursor: pointer;
}

.arrow-left {
  margin-right: 2px;
}

/* ---------- 解决方案 ---------- */
.section-sol {
  height: 520px;
}

.sol-card {
  position: absolute;
  top: 10px;
  width: 380px;
  height: 450px;
  border: 1px solid #DDDDDD;
  overflow: hidden;
  /* border-bottom: 1px solid #DDDDDD; */
}

.sol-card:nth-child(1) {
  left: 0;
}

.sol-card:nth-child(2) {
  left: 410px;
}

.sol-card:nth-child(3) {
  left: 820px;
}

.sol-img {
  position: absolute;
  left: 0;
  top: 0;
  width: 380px;
  height: 240px;
  overflow: hidden;
}

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

.sol-num {
  position: absolute;
  left: 161px;
  width: 58px;
  height: 48px;
}

.sol-num-bg img {
  position: absolute;
  width: 58px;
  height: 48px;
  top: 265px;
}

.sol-num-txt {
  position: absolute;
  left: 13.5px;
  top: 270px;
  font-family: Arial, sans-serif;
  font-size: 28px;
  color: #999999;
}

.sol-title {
  position: absolute;
  /* left: 115px;  */
  top: 328px;
  width: 100%;
  text-align: center;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 18px;
  color: #000000;
  font-weight: bold;
}

.sol-desc {
  position: absolute;
  left: 65px;
  top: 370px;
  width: 250px;
  font-size: 13px;
  color: #5a5a5a;
  line-height: 160%;
}

/* ---------- 联系我们 ---------- */
.section-contact {
  height: 340px;
}

.contact-bg {
  height: 100%;
  background-color: #ffffff;
  background-image: url('../images/slide4.jpg');
  background-position: 50% 50%;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: auto;
}


.contact-card {
  position: absolute;
  top: 60px;
  width: 400px;
  height: 260px;
}

.contact-card:nth-child(1) {
  left: 0;
}

.contact-card:nth-child(2) {
  left: 400px;
}

.contact-card:nth-child(3) {
  left: 800px;
}

.contact-title {
  position: absolute;
  left: 0;
  top: 50px;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 18px;
  color: #db0f31;
  width: 220px;
}

.contact-info {
  position: absolute;
  left: 30px;
  top: 100px;
  width: 370px;
  height: 112px;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 14px;
  color: #dddddd;
  line-height: 250%;
}

.contact-ico {
  position: absolute;
  left: 0;
  width: 16px;
  height: 16px;
  background-repeat: no-repeat;
}

.contact-ico.i1 {
  top: 110px;
  background-image: url('../images/con3.png');
  background-size: contain;
}

.contact-ico.i2 {
  top: 145px;
  background-image: url('../images/con1.png');
  background-size: contain;
}

.contact-ico.i3 {
  top: 180px;
  background-image: url('../images/con2.png');
  background-size: contain;
}

/* ---------- 新闻 ---------- */
.section-news {
  height: 470px;
}

.news-feature {
  position: absolute;
  left: 0;
  top: 0px;
  width: 400px;
  height: 420px;
  background-color: #F9F9F9;
  border: 1px solid #DDDDDD;
  padding: 30px;
}

.nf-img {
  width: 336px;
  height: 210px;
  overflow: hidden;
  text-align: center;
}

.nf-img img {
  max-width: 336px;
  max-height: 210px;
}

.nf-title {
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 16px;
  color: #000000;
  font-weight: bold;
  line-height: 140%;
  padding-top: 12px;
}

.nf-date {
  font-size: 12px;
  color: #929292;
  padding-top: 10px;
}

.nf-desc {
  font-size: 13px;
  color: #999999;
  line-height: 24px;
  padding-top: 16px;
}

.news-list {
  position: absolute;
  left: 430px;
  top: 0px;
  width: 770px;
  border: 1px solid #DDDDDD;
  box-sizing: border-box;
}

.news-list ul {
  padding-bottom: 29px;
}

.news-list li {
  padding: 29px 20px 0 20px;
  overflow: hidden;
}

.nl-meta {
  margin-top: 10px;
  overflow: hidden;
}

.nl-meta {
  margin-top: 10px;
  overflow: hidden;
}

.nl-time {
  float: left;
  width: 60px;
  height: 74px;
  text-align: center;
}

.nl-time .day {
  display: block;
  font-family: Arial, sans-serif;
  font-size: 36px;
  color: #db0f31;
  line-height: 1.1;
}

.nl-time .ym {
  display: block;
  font-family: Arial, sans-serif;
  font-size: 12px;
  color: #db0f31;
  padding-top: 4px;
}

.nl-title {
  display: block;
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 16px;
  color: #5A5A5A;
  font-weight: bold;
  margin: 4px 0 14px 65px;
  line-height: 140%;
}

.nl-title a {
  color: #5A5A5A;
}

.nl-title a:hover {
  color: #db0f31;
}

.nl-title:hover {
  color: #db0f31;
  cursor: pointer;
}

.nl-desc {
  margin-left: 65px;
  /* margin-top: 38px; */
  font-size: 14px;
  color: #999999;
  line-height: 180%;
}

/* ---------- 区块标题区（桌面） ---------- */
.section-case-head {
  height: 240px;
}

.section-sol-head {
  height: 240px;
}

.section-news-head {
  height: 240px;
}

/* ---------- 客户 logo 行 ---------- */
.section-logos {
  height: 150px;
  overflow: hidden;
}

.logo-row {
  padding-top: 10px;
  width: 2700px;
  animation: logoScroll 45s linear infinite;
}

.logo-row li {
  float: left;
  width: 200px;
  height: 100px;
  margin-right: 25px;
  text-align: center;
  line-height: 100px;
  vertical-align: middle;
}

@keyframes logoScroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-1350px);
  }
}

.logo-row li img {
  max-width: 200px;
  max-height: 100px;
  vertical-align: middle;
}

/* ---------- 页脚 ---------- */
#site_footer {
  width: 100%;
  position: relative;
  margin: 20px auto 0;
  z-index: 500;
  /*background-image: url('../images/bottom-bg1.png');*/
  background-position: center top;
  background-repeat: no-repeat;
  background-color: rgba(48, 48, 48);
}

.footer-body {
  position: relative;
  height: 400px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  position: absolute;
  left: 0;
  top: 100px;
  width: 190px;
  height: 52px;
}

.footer-desc {
  position: absolute;
  left: 0;
  top: 172px;
  width: 279px;
  height: 115px;
  font-size: 13px;
  color: #CCCCCC;
  line-height: 220%;
}

.footer-share {
  position: absolute;
  left: 0;
  top: 300px;
}

.footer-share a {
  float: left;
  width: 30px;
  height: 30px;
  margin-right: 20px;
  display: block;
}

.footer-share img {
  width: 30px;
  height: 30px;
}

.footer-wx {
  position: relative;
}

.footer-share .footer-wx img {
  width: 25px;
  height: 25px;
  margin: 2px;
}

.footer-body h4 {
  font-family: 微软雅黑, Microsoft YaHei, sans-serif;
  font-size: 17px;
  color: #ffffff;
  font-weight: bold;
  position: absolute;
  top: 100px;
  width: 200px;
}

.footer-col2 h4 {
  left: 340px;
}

.footer-col3 h4 {
  left: 510px;
}

.footer-col4 h4 {
  left: 740px;
}

.footer-col5 h4 {
  left: 1060px;
}

.footer-body ul {
  position: absolute;
  top: 140px;
}

.footer-col2 ul {
  left: 340px;
}

.footer-col3 ul {
  left: 510px;
}

.footer-body ul li {
  font-size: 14px;
  color: #CCCCCC;
  line-height: 220%;
}

.footer-body ul li a {
  color: #CCCCCC;
}

.footer-body ul li a:hover {
  color: #ffffff;
}

.footer-col4 .addr {
  position: absolute;
  left: 740px;
  top: 140px;
  width: 210px;
  height: 76px;
  font-size: 14px;
  color: #CCCCCC;
  line-height: 200%;
}

.footer-col4 .tel {
  position: absolute;
  left: 740px;
  top: 270px;
  font-size: 14px;
  color: #CCCCCC;
  line-height: 200%;
}

.footer-col5 .qr {
  position: absolute;
  left: 1070px;
  top: 140px;
  width: 130px;
  height: 130px;
  border-radius: 8px;
}

.footer-bar {
  position: relative;
  width: 100%;
  height: 80px;
  background-color: #202020;
}

.bar-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  height: 80px;
}

.copyright {
  text-align: center;
  padding-top: 28px;
  font-size: 13px;
  color: #999999;
  white-space: nowrap;
}

.copyright .beian-red {
  color: #DB0F31;
}

.beian {
  /* position: absolute;
  left: 1040px;
  top: 33px;
  font-size: 13px; */
  /* color: #CCCCCC; */
}

.sf_font {
  position: absolute;
  left: 50%;
  top: 55px;
  transform: translateX(-50%);
  font-size: 12px;
  color: #999999;
  font-family: Arial, sans-serif;
}

（768–1199px）============================================================*/ @media (max-width: 1199px) {

  /* 导航：菜单整体压缩 */
  #top-nav {
    height: 72px;
  }

  .nav-inner {
    height: 72px;
  }

  .nav-logo {
    top: 12px;
  }

  .nav-logo img {
    width: 140px;
    height: 43px;
  }

  .main-nav {
    left: 150px;
    width: auto;
    height: 72px;
    right: 0;
  }

  .main-nav li {
    float: left;
    width: auto;
    height: 72px;
    line-height: 72px;
    padding: 0 12px;
  }

  .main-nav li a {
    font-size: 14px;
  }

  .main-nav li.active a {
    line-height: 69px;
  }

  /* 横幅：高度按视口比例 */
  .banner {
    height: 70vh;
    min-height: 480px;
  }

  .banner-title {
    top: 26%;
  }

  .banner-title strong {
    font-size: 44px;
  }

  .banner-sub {
    top: 36%;
    font-size: 18px;
  }

  .banner-desc {
    top: 42%;
    font-size: 24px;
  }

  .banner-btn {
    top: 54%;
  }

  /* 区块高度：改为内容自适应 */
  .section-about,
  .section-stats,
  .section-services,
  .section-case-head,
  .section-case,
  .section-sol-head,
  .section-sol,
  .section-contact,
  .section-news-head,
  .section-news,
  .section-logos {
    height: auto;
  }

  /* 区块通用：容器内改用流式布局 */
  .full_content {
    height: auto;
    padding: 20px;
  }

  .full_width {
    position: absolute;
  }

  /* 公司介绍：左右流式 */
  .section-about .full_content {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding: 40px 24px;
  }

  .about-left {
    position: relative;
    width: 55%;
  }

  .about-title,
  .about-en,
  .about-lead,
  .about-desc,
  .about-btn {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
  }

  .about-title {
    padding-bottom: 8px;
  }

  .about-en {
    padding-bottom: 12px;
  }

  .about-lead {
    padding-bottom: 16px;
  }

  .about-btn {
    margin-top: 12px;
  }

  .about-img {
    position: relative;
    left: auto;
    top: auto;
    width: 42%;
    height: auto;
  }

  .about-img img {
    width: 100%;
    height: auto;
  }

  /* 数字统计：2列流式 */
  .section-stats .full_content {
    display: flex;
    flex-wrap: wrap;
    padding: 30px 10px;
  }

  .stat {
    position: relative;
    width: 50%;
    top: auto;
    left: auto;
    height: auto;
    margin-bottom: 26px;
  }

  .stat .num {
    width: 100%;
  }

  .stat .label {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    padding-top: 4px;
  }

  .stat:nth-child(1) .suffix,
  .stat:nth-child(2) .suffix,
  .stat:nth-child(3) .suffix,
  .stat:nth-child(4) .suffix {
    left: auto;
    top: auto;
    right: -28px;
    bottom: 0;
    position: absolute;
    font-size: 22px;
  }

  /* 区块标题区 */
  .section-case-head .full_content,
  .section-sol-head .full_content,
  .section-news-head .full_content {
    height: auto;
    padding: 30px 20px 40px;
  }

  .sec-title {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    padding-bottom: 6px;
  }

  .sec-line {
    position: relative;
    left: auto;
    top: auto;
    margin: 0 auto 10px;
    width: 123px;
  }

  .sec-sub {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
  }

  /* 服务卡片：2列 */
  .product-list {
    position: relative;
    top: auto;
    width: 100%;
    padding: 0;
  }

  .product-list li {
    float: none;
    display: inline-block;
    vertical-align: top;
    width: calc(50% - 11px);
    margin-right: 10px;
    margin-bottom: 18px;
  }

  .product-list li:nth-child(2n) {
    margin-right: 0;
  }

  .p-img {
    width: 100%;
    height: auto;
    max-height: 240px;
  }

  .p-img img {
    width: 100%;
    max-width: none;
    height: auto;
  }

  /* 客户案例：左右并排 */
  .section-case .full_content {
    padding: 30px 24px;
  }

  .case-img {
    position: relative;
    left: auto;
    top: auto;
    width: 50%;
    height: auto;
  }

  .case-img img {
    width: 100%;
    height: auto;
  }

  .case-box {
    position: relative;
    left: auto;
    top: auto;
    width: 46%;
    height: auto;
    min-height: 300px;
    margin-left: 4%;
  }

  .case-name,
  .case-tag,
  .case-line,
  .case-quote,
  .case-arrows {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
  }

  .case-name {
    padding: 30px 50px 0;
  }

  .case-tag {
    padding: 6px 50px 0;
  }

  .case-line {
    margin: 10px 50px 0;
    width: auto;
  }

  .case-quote {
    margin: 14px 50px 0;
    width: auto;
  }

  .case-arrows {
    margin: 20px 50px 30px;
  }

  /* 解决方案：3列等比 */
  .section-sol .full_content {
    padding: 30px 24px;
  }

  .sol-card {
    position: relative;
    top: auto;
    left: auto !important;
    width: 31%;
    height: auto;
    float: left;
    margin-right: 2%;
  }

  .sol-card:nth-child(3) {
    margin-right: 0;
  }

  .sol-img {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
  }

  .sol-img img {
    width: 100%;
    height: auto;
  }

  .sol-num {
    position: relative;
    left: auto;
    top: auto;
    margin: 14px auto 0;
  }

  .sol-num-txt {
    position: relative;
    left: auto;
    top: auto;
    display: block;
    text-align: center;
  }

  .sol-title {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    text-align: center;
    margin-top: 6px;
  }

  .sol-desc {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    text-align: center;
    margin-top: 8px;
    padding: 0 10px 24px;
  }

  /* 联系我们：3列等比 */
  .section-contact .full_content {
    padding: 30px 24px;
  }

  .contact-card {
    position: relative;
    top: auto;
    left: auto !important;
    width: 31%;
    height: auto;
    float: left;
    margin-right: 2%;
  }

  .contact-card:nth-child(3) {
    margin-right: 0;
  }

  .contact-title {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
  }

  .contact-info {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
    padding-top: 8px;
  }

  .contact-ico {
    left: 0;
    top: auto;
  }

  .contact-ico.i1 {
    top: auto;
  }

  .contact-ico.i2 {
    top: auto;
  }

  .contact-ico.i3 {
    top: auto;
  }

  /* 新闻：feature 与列表上下 */
  .section-news .full_content {
    padding: 30px 24px;
  }

  .news-feature {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
    margin-bottom: 20px;
  }

  .news-list {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
  }

  /* logo 行 */
  .section-logos .full_content {
    padding: 16px 20px;
  }

  .logo-row li {
    width: 16%;
    margin-right: 2%;
  }

  .logo-row li img {
    max-width: 100%;
    max-height: 80px;
  }

  /* 页脚 */
  #site_footer {
    margin: 0 auto;
  }

  .footer-body {
    height: auto;
    padding: 60px 24px 40px;
  }

  .footer-logo,
  .footer-desc,
  .footer-share,
  .footer-body h4,
  .footer-body ul,
  .footer-col4 .addr,
  .footer-col4 .tel,
  .footer-col5 .qr {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
  }

  .footer-body {
    display: flex;
    flex-wrap: wrap;
  }

  .footer-col1 {
    width: 40%;
  }

  .footer-col2,
  .footer-col3 {
    width: 30%;
    padding-left: 10px;
  }

  .footer-col4 {
    width: 40%;
    padding-top: 20px;
  }

  .footer-col5 {
    width: 30%;
    padding-top: 20px;
  }

  .footer-logo {
    display: block;
    margin-bottom: 14px;
  }

  .footer-desc {
    padding-bottom: 16px;
  }

  .footer-share {
    padding-bottom: 20px;
  }

  .footer-body h4 {
    padding-bottom: 10px;
  }

  .footer-body ul {
    padding-bottom: 20px;
  }

  .footer-col5 .qr {
    display: block;
    width: 130px;
    height: 130px;
  }

  .bar-inner {
    padding: 0 24px;
  }

  .copyright {
    white-space: normal;
    width: 70%;
  }

  .beian {
    position: relative;
    left: auto;
    top: auto;
    float: right;
    padding-top: 4px;
  }

  .sf_font {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    float: left;
    width: 100%;
    text-align: center;
    padding-top: 4px;
  }
}


/* ---------- 视频弹窗（模板 new_video 960x600） ---------- */
.video-pop {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  display: none;
  text-align: center;
}

.video-pop.show {
  display: block;
}

.video-pop-box {
  position: relative;
  display: inline-block;
  margin-top: 9vh;
  width: 960px;
  height: 600px;
  background-color: #000000;
}

.video-pop-box video {
  width: 960px;
  height: 600px;
  object-fit: contain;
  display: block;
  background-color: #000000;
}

.video-pop-close {
  position: absolute;
  right: -36px;
  top: -36px;
  width: 36px;
  height: 36px;
  line-height: 34px;
  text-align: center;
  font-size: 24px;
  color: #ffffff;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  z-index: 10;
  text-decoration: none;
}

.video-pop-close:hover {
  color: #db0f31;
}