/* =========================================================
   丽清源天津官网 - 主样式表 v2
   Skin: lqy2026
   ========================================================= */

/* ===== 变量 & 基础 ===== */
:root {
  --color-primary: #01913A;
  --color-primary-dark: #017a30;
  --color-primary-light: #17a34a;
  --color-gold: #E1CB82;
  --color-gold-dark: #D3C77F;
  --color-green-line: #7DFC7B;
  --color-dark: #222222;
  --color-text: #333333;
  --color-text-light: #717171;
  --color-text-gray: #898989;
  --color-bg-light: #F8F8F8;
  --color-bg-gray: #F4F5F9;
  --color-bg-footer: #222222;
  --color-border: #A3A3A3;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-hover-green: #028835;
  --font-cn: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-en: "Arial", "Helvetica Neue", sans-serif;
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.2s ease;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-cn);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--color-white);
}

a { text-decoration: none; color: inherit; transition: var(--transition-base); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================================================
   顶部通栏 Top Bar
   ========================================================= */
.top-bar {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  height: 45px;
  line-height: 45px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar-left .top-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.top-bar-left span {
  font-size: 13px;
  white-space: nowrap;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-bar-right .top-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.top-bar-right span {
  font-size: 13px;
  white-space: nowrap;
}

/* =========================================================
   导航栏 Header
   ========================================================= */
.header {
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  transition: var(--transition-base);
  overflow: visible;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 105px;
  padding-top: 0;
  padding-bottom: 0;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo img {
  width: 444px;
  height: 41px;
  object-fit: contain;
}

/* ===== 桌面导航菜单 ===== */
.nav-menu {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-menu > li {
  position: relative;
  height: 100%;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  padding-top: 8px;
  color: #000000;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 5px;
  background: var(--color-primary);
  transition: var(--transition-base);
  border-radius: 0;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: var(--color-primary);
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
  width: 100%;
}

/* ===== 下拉菜单（核心技术） ===== */
.nav-menu .dropdown-menu {
  display: block;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(0,0,0,0.6);
  min-width: 220px;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  padding: 8px 0;
  z-index: 1001;
  border: none;
  margin: 0;
}

.nav-menu > li.has-dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: #fff;
  font-size: 14px;
  text-align: center;
  transition: var(--transition-base);
}

.dropdown-menu a:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* ===== 搜索框 ===== */
.header-search {
  display: flex;
  align-items: center;
  margin-left: 10px;
  flex-shrink: 0;
  margin-top: -5px;
}

.search-box {
  position: relative;
  width: 187px;
}

.search-box input {
  width: 100%;
  height: 34px;
  padding: 0 15px;
  border: none;
  border-radius: 17px;
  background: #E6EBEF;
  font-size: 13px;
  color: var(--color-text);
  outline: none;
}

.search-box input::placeholder {
  color: #999;
  font-size: 12px;
}

.search-box .search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #000;
  font-size: 15px;
  padding: 4px;
  line-height: 1;
}

/* ===== 移动端菜单按钮 ===== */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  padding: 6px 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

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

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

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

/* ===== 移动端覆盖层 ===== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* ===== 移动端侧滑菜单 ===== */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background: var(--color-white);
  z-index: 1001;
  overflow-y: auto;
  transition: right 0.3s ease;
  padding: 20px 0;
  box-shadow: -5px 0 20px rgba(0,0,0,0.1);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav > a,
.mobile-nav .dropdown-toggle {
  display: block;
  padding: 14px 25px;
  color: #000000;
  font-size: 16px;
  font-weight: 700;
  border-bottom: 1px solid #f0f0f0;
  transition: var(--transition-base);
}

.mobile-nav > a:hover,
.mobile-nav > a.active {
  color: var(--color-primary);
  background: #f0f7f3;
}

.mobile-nav .dropdown-toggle {
  cursor: pointer;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-nav .dropdown-toggle::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free', 'Font Awesome 5 Free';
  font-weight: 900;
  transition: transform 0.3s ease;
}

.mobile-nav .dropdown-toggle.open::after {
  transform: rotate(180deg);
}

.mobile-nav .sub-menu {
  display: none;
  background: #f8f8f8;
  padding: 5px 0;
}

.mobile-nav .sub-menu.open {
  display: block;
}

.mobile-nav .sub-menu a {
  display: block;
  padding: 10px 35px;
  color: var(--color-text-light);
  font-size: 14px;
  transition: var(--transition-base);
}

.mobile-nav .sub-menu a:hover {
  color: var(--color-primary);
  padding-left: 40px;
}

/* =========================================================
   公共底部 Footer
   ========================================================= */
.footer {
  background: url('../images/home/footer-bg.jpg') center center / cover no-repeat;
  position: relative;
  padding: 80px 0 30px;
  color: var(--color-white);
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.footer .container {
  position: relative;
  z-index: 2;
}

/* 底部logo */
.footer-logo {
  text-align: center;
  margin-bottom: 50px;
}

.footer-logo img {
  width: 512px;
  height: 94px;
  object-fit: contain;
  margin: 0 auto;
}

/* 底部菜单 */
.footer-menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 50px;
}

.footer-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 30px;
  border: 1px solid var(--color-white);
  border-radius: 22px;
  color: var(--color-white);
  font-size: 14px;
  transition: var(--transition-base);
  white-space: nowrap;
  min-width: 140px;
}

.footer-menu a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* 底部社交图标 */
.footer-social {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-social a {
  display: block;
  width: 44px;
  height: 44px;
  transition: var(--transition-base);
}

.footer-social a img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-social a:hover {
  transform: translateY(-3px);
}

/* 底部版权 */
.footer-copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
  box-shadow: 0 4px 10px rgba(1, 145, 58, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* =========================================================
   通用 Section 样式
   ========================================================= */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.section-en-title {
  font-size: 14px;
  color: var(--color-text-light);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* =========================================================
   模块1: Hero 轮播
   ========================================================= */
.hero-slider {
  position: relative;
  width: 100%;
  height: 850px;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.05) 100%);
  z-index: 1;
}

.slide-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 20px;
  color: var(--color-white);
}

.slide-content-inner {
  max-width: 700px;
}

.slide-content h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.slide-subtitle {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 30px;
  line-height: 1.6;
}

.slide-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  border-radius: 4px;
  transition: var(--transition-base);
}

.slide-btn:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* 轮播按钮 */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,0.3);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
  opacity: 0;
}

.hero-slider:hover .slider-arrow {
  opacity: 1;
}

.slider-arrow:hover {
  background: var(--color-primary);
}

.slider-arrow img {
  width: auto;
  height: auto;
  max-width: 20px;
  max-height: 20px;
  filter: brightness(10);
}

.slider-prev {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  left: calc(50% - 740px - 30px); /* 1480/2 + 边距 */
}
.slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  right: calc(50% - 740px - 30px);
}

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

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

.slider-dots .dot.active {
  background: #AE854F;
  width: 40px;
  border-radius: 6px;
}

/* =========================================================
   模块2: 公司介绍
   ========================================================= */
.company-intro {
  background: var(--color-white);
  padding-top: 60px;
  padding-bottom: 0;
}

.company-intro .row {
  display: flex;
  align-items: center;
  gap: 0;
}

.company-intro .col-lg-6 {
  flex: 1;
}

.company-intro .col-lg-6.company-intro-text {
  flex: 0 0 55%;
  padding-right: 40px;
}

.company-intro .col-lg-6.company-intro-img {
  flex: 0 0 45%;
}

.company-intro-text {
}

.intro-en-title {
  font-size: 14px;
  color: #999;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.intro-cn-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  position: relative;
}

.intro-divider {
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin-bottom: 25px;
  border-radius: 2px;
}

.intro-desc p {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 15px;
}

.btn-detail {
  display: inline-block;
  margin-top: 10px;
  transition: var(--transition-base);
}

.btn-detail:hover {
  transform: translateX(5px);
}

.btn-detail img {
  height: 40px;
  width: auto;
}

.company-intro-img {
  position: relative;
}

.intro-img-wrapper {
  position: relative;
  text-align: center;
}

.intro-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  opacity: 0.06;
  pointer-events: none;
}

.intro-watermark img {
  width: 100%;
}

.intro-building {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* 数据展示 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 80px;
  margin-bottom: 140px;
}

@media (min-width: 1201px) {
  .stats-row {
    grid-template-columns: 3.5fr 3.5fr 3.5fr 1.5fr;
  }
}

.stat-card {
  text-align: left;
  padding: 40px 15px;
  position: relative;
}

.stat-card + .stat-card {
}

.stat-number {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.stat-gradient {
  background: linear-gradient(135deg, #FEDF8C, #C92A00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-unit {
  font-size: 18px;
  font-weight: 500;
  margin-left: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 5px;
}

.stat-en {
  font-size: 12px;
  color: #ccc;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =========================================================
   模块3: 核心技术
   ========================================================= */
.core-tech {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  min-height: 1000px;
}

.core-tech .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.core-tech .container:first-of-type {
  position: relative;
  z-index: 2;
  padding-top: 300px;
  pointer-events: none;
}

.core-tech .container:first-of-type a,
.core-tech .container:first-of-type button {
  pointer-events: auto;
}

.core-tech .container:last-of-type {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.tech-overlay {
  display: none;
}

.core-tech .container {
  position: relative;
  z-index: 2;
}

.core-tech .container > .tech-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 0;
  border-radius: inherit;
}

.tech-header {
  text-align: center;
  color: var(--color-white);
  margin-bottom: 60px;
}

.tech-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 5px;
}

.tech-en-title {
  font-size: 14px;
  letter-spacing: 4px;
  opacity: 0.7;
  margin-bottom: 10px;
}

.tech-divider {
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin: 15px auto;
  border-radius: 2px;
}

.tech-subtitle {
  font-size: 18px;
  margin-bottom: 5px;
  opacity: 0.9;
}

.tech-slogan {
  font-size: 14px;
  opacity: 0.6;
}

.tech-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  margin-top: 80px;
}

.tech-grid-row {
  display: flex;
  justify-content: center;
  gap: 60px;
}

.tech-grid-row:first-child {
  transform: translateY(70px);
}

.tech-grid-row:nth-child(2) {
  transform: translateY(260px);
  gap: 830px;
}

.tech-grid-row:nth-child(3) {
  transform: translateY(400px);
  gap: 450px;
}

.tech-item {
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
}

.tech-item:hover {
  transform: translateY(-8px);
}

.tech-icon {
  width: auto;
  height: 108px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.tech-item:hover .tech-icon {
  transform: scale(1.1);
}

.tech-icon img {
  height: 108px;
  width: auto;
}

.tech-name {
  display: block;
  color: var(--color-white);
  font-size: 14px;
  line-height: 1.5;
}

.tech-btn-wrap {
  text-align: center;
  margin-top: 50px;
}

.tech-link-btn {
  display: inline-block;
  padding: 14px 50px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  border-radius: 4px;
  transition: var(--transition-base);
}

.tech-link-btn:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* =========================================================
   模块4: 解决方案 8宫格
   ========================================================= */
.solutions-grid {
  background: var(--color-bg-light);
  padding: 80px 0;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

.solutions-grid .container {
  max-width: 1920px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.sol-card {
  position: relative;
  height: 260px;
  border-radius: 8px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  transition: var(--transition-base);
  text-decoration: none;
  color: var(--color-white);
}

.sol-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
  color: var(--color-white);
}

.sol-card-green {
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sol-card-green .sol-card-body {
  text-align: center;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sol-card-green h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}

.sol-card-green p {
  font-size: 13px;
  opacity: 0.8;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.sol-arrow {
  display: block;
  width: 36px;
  height: 36px;
}

.sol-arrow img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.sol-card-img {
  display: flex;
  align-items: stretch;
}

.sol-card-img .sol-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%);
  z-index: 1;
  transition: var(--transition-base);
}

.sol-card-img:hover .sol-card-overlay {
  background: linear-gradient(to top, rgba(1,145,58,0.8) 0%, rgba(1,145,58,0.2) 60%);
}

.sol-card-body {
  position: relative;
  z-index: 2;
  padding: 25px;
}

.sol-card-img .sol-card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  height: 100%;
}

.sol-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

/* =========================================================
   模块5: 新闻动态
   ========================================================= */
.news-section {
  background: var(--color-white);
}

/* 3条新闻大图区 */
.news-featured {
  display: grid;
  grid-template-columns: 4fr 3fr 3fr;
  gap: 20px;
  margin-bottom: 50px;
}

.news-feat-card {
  display: block;
  overflow: hidden;
  transition: var(--transition-base);
}

.news-feat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.news-feat-img {
  height: 260px;
}

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

.news-feat-text {
  background: #f9f9f9;
  padding: 30px 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 5px solid var(--color-primary);
  position: relative;
}

.news-feat-text h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 15px;
  line-height: 1.4;
}

.news-feat-text p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feat-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  border-top: 1px solid #e0e0e0;
  padding-top: 15px;
  margin-top: auto;
}

.news-feat-link .feat-link-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  transition: var(--transition-base);
}

.news-feat-card:hover .news-feat-link .feat-link-icon {
  transform: translateX(4px);
}

/* 6条小新闻列表 */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 30px;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 20px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: var(--transition-base);
}

.news-item:hover {
  padding-left: 10px;
}

.news-date-box {
  width: 82px;
  height: 92px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.news-day {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.news-ym {
  font-size: 12px;
  margin-top: 4px;
  opacity: 0.85;
}

.news-arrow-bar {
  width: 0;
  height: 0;
  flex-shrink: 0;
  align-self: center;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 12px solid var(--color-primary);
}

.news-info {
  flex: 1;
  min-width: 0;
  padding-left: 26px;
}

.news-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  padding-top: 15px;
}

.news-info h4 a {
  color: var(--color-dark);
  transition: var(--transition-base);
}

.news-info h4 a:hover {
  color: var(--color-primary);
}

.news-info p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-top: 4px;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =========================================================
   响应式 - 首页
   ========================================================= */
@media (max-width: 992px) {
  .section { padding: 60px 0; }

  .hero-slider { height: 450px; }
  .slide-content h1 { font-size: 30px; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }

  .tech-grid { gap: 25px; }
  .tech-grid-row { gap: 30px; }
  .tech-grid-row:first-child { transform: none; }

  .tech-icon { height: 80px; }
  .tech-icon img { height: 80px; }

  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-card { height: 220px; }

  .news-featured { grid-template-columns: 1fr 1fr; }
  .news-feat-text { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .section { padding: 40px 0; }
  .section-title { font-size: 22px; }

  .hero-slider { height: 350px; }
  .slide-content h1 { font-size: 24px; }
  .slide-subtitle { font-size: 14px; }
  .slide-btn { padding: 12px 30px; font-size: 14px; }

  .slider-arrow { width: 36px; height: 36px; }
  .slider-arrow img { width: 16px; height: 16px; }

  .company-intro-text { padding-right: 0; }
  .intro-cn-title { font-size: 24px; }

  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 40px; }
  .stat-card { padding: 25px 10px; }
  .stat-number { font-size: 28px; }
  .stat-unit { font-size: 14px; }

  .core-tech { padding: 50px 0; }
  .tech-title { font-size: 28px; }

  .solution-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .sol-card { height: 180px; }
  .sol-card-body h3 { font-size: 15px; }
  .sol-card-green h3 { font-size: 18px; }

  .news-featured { grid-template-columns: 1fr; }
  .news-feat-img { height: 200px; }

  .news-item { gap: 0; align-items: stretch; }
  .news-date-box { width: 60px; height: auto; min-height: 80px; }
  .news-day { font-size: 22px; }
  .news-info { padding-left: 15px; }
}

/* =========================================================
   子页面公共 Banner
   ========================================================= */
.page-banner {
  position: relative;
  height: 590px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.banner-overlay {
  display: none;
}

.banner-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 345px 20px 0;
  color: var(--color-white);
  text-align: center;
}

.banner-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 27px;
  color: #fff;
}

.banner-en {
  font-size: 18px;
  letter-spacing: 3px;
  opacity: 1;
  margin-bottom: 15px;
  color: #fff;
}

/* 联系我们banner专属 */
.contact-banner {
  height: 650px !important;
}

.contact-banner .banner-content {
  padding-top: 520px !important;
}

.contact-banner-inner {
  position: absolute;
  top: 120px;
  left: 0;
  right: 0;
  z-index: 4;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 20px;
  pointer-events: none;
}

.contact-banner-inner .contact-info-card {
  pointer-events: auto;
  margin-left: 140px;
  margin-top: 0;
  min-width: 420px;
  display: inline-block;
}

.banner-bread {
  font-size: 13px;
  opacity: 0.85;
}

.banner-bread a {
  color: var(--color-white);
}

.banner-bread a:hover {
  color: var(--color-gold);
}

.bread-sep {
  margin: 0 5px;
  opacity: 0.6;
}

/* =========================================================
   Banner 当前位置行（子页面公共）
   ========================================================= */
.banner-bottom-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 82px;
  z-index: 3;
  display: flex;
  align-items: center;
  background: rgba(0,0,0,0.5);
}

.banner-bread-wrap {
  flex: 1;
  min-width: 0;
  height: 82px;
  display: flex;
  align-items: center;
}

.banner-scroll-down {
  height: 82px;
  background: #E1CB82;
  display: flex;
  align-items: center;
  padding-left: 100px;
  padding-right: 260px;
  gap: 15px;
  flex-shrink: 0;
  position: relative;
  left: -500px;
  margin-right: -500px;
}

.banner-scroll-down span {
  color: #fff;
  font-size: 15px;
  white-space: nowrap;
}

.banner-scroll-down .scroll-mouse {
  width: 18px;
  height: 29px;
  border: 2px solid #fff;
  border-radius: 10px;
  position: relative;
  flex-shrink: 0;
}

.banner-scroll-down .scroll-mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: #fff;
  border-radius: 2px;
  animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 14px; }
}

.banner-bread-inner {
  max-width: 1480px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.banner-bread-inner .home-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.banner-bread-inner a,
.banner-bread-inner span {
  color: #fff;
  font-size: 14px;
}

.banner-bread-inner a:hover {
  color: var(--color-gold);
}

.banner-bread-inner .bread-sep {
  opacity: 0.6;
}

/* =========================================================
   关于我们 - 公司介绍
   ========================================================= */
.about-intro {
  background: var(--color-white);
}

.about-intro-text p {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 15px;
}

.about-intro-img img {
  box-shadow: none;
}

/* 荣誉资质 */
.about-honor {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 100px 0;
}

.honor-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1;
}

.about-honor .container {
  position: relative;
  z-index: 2;
}

.about-honor-inner {
  display: flex;
  gap: 120px;
  align-items: center;
  max-width: 1480px;
  margin: 0 auto;
}

.honor-left {
  flex: 0 0 375px;
  color: #fff;
  position: relative;
}

.honor-title {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 22px;
}

.honor-line-wrap {
  margin-bottom: 30px;
}

.honor-medal {
  margin-bottom: 20px;
}

.honor-medal img {
  width: 96px;
  height: 113px;
  object-fit: contain;
}

.honor-desc {
  font-size: 16px;
  margin-bottom: 15px;
  line-height: 1.6;
}

.honor-number-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 30px;
}

.honor-num {
  font-size: 48px;
  font-weight: 700;
  color: #E2CC83;
}

.honor-unit {
  font-size: 20px;
  color: #fff;
}

.honor-medal2 {
  margin-bottom: 20px;
}

.honor-medal2 img {
  width: 96px;
  height: 116px;
  object-fit: contain;
}

.honor-intro {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 0;
}

.honor-bottom-text {
  font-size: 16px;
  font-weight: 600;
  color: #E1CB82;
}

.honor-right {
  flex: 1;
  text-align: center;
}

.honor-cert-img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* 专业团队 */
.about-team {
  background: var(--color-white);
  padding: 80px 0;
}

.team-section-title {
  font-size: 30px;
  font-weight: 700;
  color: #009039;
  margin-bottom: 15px;
}

.team-line-wrap {
  margin-bottom: 50px;
}

.team-slogan {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 20px;
}

.team-desc {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  line-height: 1.8;
  max-width: 1180px;
  margin: 0 auto 60px;
}

.team-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.team-card-item {
  border: 1px solid #A3A3A3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-white);
  transition: var(--transition-base);
}

.team-card-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.team-card-img {
  height: 380px;
  overflow: hidden;
  margin: -1px -1px 0 -1px;
  line-height: 0;
  font-size: 0;
}

.team-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-card-body {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 25px;
}

.team-card-icon {
  width: 72px;
  height: 77px;
  flex-shrink: 0;
  object-fit: contain;
}

.team-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.team-card-motto {
  font-size: 15px;
  color: var(--color-text);
}

/* =========================================================
   核心技术 - Tab 导航
   ========================================================= */
.tech-tabs-nav {
  background: #F5F5F5;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 105px;
  z-index: 500;
}

.tech-tabs-nav .container {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  gap: 0;
}

.tech-tab {
  display: block;
  padding: 16px 24px;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.tech-tab:hover,
.tech-tab.active {
  color: var(--color-white);
  background: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* 核心技术详情 */
.tech-detail {
  background: var(--color-white);
}

.tech-alt {
  background: var(--color-bg-light);
}

.tech-detail-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 5px;
}

.tech-detail-sub {
  font-size: 14px;
  color: var(--color-text-light);
  letter-spacing: 2px;
  margin-bottom: 15px;
  font-weight: 400;
}

.tech-detail p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.tech-params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tech-param {
  font-size: 14px;
  color: var(--color-text);
  padding: 10px 15px;
  background: var(--color-bg-light);
  border-radius: 6px;
  border-left: 3px solid var(--color-primary);
}

.tech-detail-img {
  width: 100%;
  max-width: 450px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

/* =========================================================
   解决方案 - 卡片
   ========================================================= */

.sol-page-main-title {
  font-size: 30px;
  font-weight: 700;
  color: #009138;
  margin-bottom: 15px;
  padding-top: 10px;
}

.sol-page-line {
  margin-bottom: 60px;
  max-width: 100%;
}

/* 手机端横条宽度自适应 */
@media (max-width: 768px) {
  .sol-page-line {
    max-width: 100% !important;
    width: 100% !important;
  }
}

.sol-page-list-wrap {
  margin-bottom: 80px;
}

.sol-page-list-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 30px;
}
.sol-page-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  height: 100%;
}

.sol-page-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.sol-page-img {
  height: 220px;
  overflow: hidden;
  background: #f5f5f5;
}

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

.sol-page-body {
  padding: 25px;
}

.sol-page-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.sol-page-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 15px;
}

.sol-page-btn {
  display: inline-block;
  padding: 10px 30px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 14px;
  border-radius: 4px;
  transition: var(--transition-base);
}

.sol-page-btn:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* =========================================================
   成功案例
   ========================================================= */
.case-detail {
  background: var(--color-white);
}

.case-detail.bg-light {
  background: var(--color-bg-light);
}

.case-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  height: 350px;
  padding: 0 30px;
}

.case-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 4px 6px 20px rgba(0,0,0,0.15);
}

.case-content {
  padding: 20px 0 20px 30px;
}

.case-detail.bg-light .case-content {
  padding: 20px 30px 20px 0;
}

.case-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.case-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 15px;
}

/* =========================================================
   新闻列表页
   ========================================================= */

.news-page-header {
  background: var(--color-white);
  padding-bottom: 10px;
}

.news-header-watermark {
  padding-top: 60px;
  margin-bottom: 15px;
}

.news-watermark-img {
  display: inline-block;
  height: 114px;
  width: auto;
}

.news-page-title {
  font-size: 30px;
  font-weight: 700;
  color: #01913A;
  margin-bottom: 15px;
}

.news-title-line {
  margin-bottom: 50px;
}

.news-page-body {
  background: var(--color-white);
  padding-top: 0;
}

.news-list-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 60px;
  max-width: 1480px;
}

.news-list-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: var(--transition-base);
}

.news-list-item:hover {
  padding-left: 8px;
}

/* 右侧箭头 → 绝对定位在条目右侧居中 */
.news-list-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #333;
  transition: var(--transition-base);
}

.news-list-item:hover .news-list-arrow {
  right: -4px;
}

.news-list-date {
  text-align: center;
  flex-shrink: 0;
  width: 80px;
}

.news-list-day {
  font-size: 36px;
  font-weight: 700;
  color: #666;
  line-height: 1;
}

.news-list-ym {
  font-size: 13px;
  color: #888;
  margin-top: 4px;
}

.news-list-content {
  flex: 1;
  min-width: 0;
}

.news-list-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.5;
}

.news-list-title a {
  color: var(--color-dark);
  text-decoration: none;
}

.news-list-title a:hover {
  color: var(--color-primary);
}

.news-list-more {
  font-size: 14px;
  color: #333;
  font-weight: 500;
  text-decoration: none;
}

.news-list-more:hover {
  color: var(--color-primary-dark);
}

/* 分页 */
.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 60px;
  padding-bottom: 80px;
}

.page-num,
.page-next {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-base);
}

.page-num:hover,
.page-next:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-num.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-next {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-next:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* =========================================================
   新闻详情页
   ========================================================= */
.news-detail-page {
  background: #f8f8f8;
}

.news-detail-main {
  background: var(--color-white);
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 35px;
}

.news-detail-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.news-detail-time {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.news-detail-line {
  height: 1px;
  background: #e0e0e0;
  margin-bottom: 25px;
}

.news-detail-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 16px;
  text-indent: 2em;
}

.news-detail-nav {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e8e8e8;
  font-size: 14px;
}

.nav-label {
  color: var(--color-text-light);
}

.news-detail-nav a {
  color: var(--color-primary);
}

.news-detail-nav a:hover {
  text-decoration: underline;
}

/* 侧栏 */
.news-sidebar {
  background: var(--color-white);
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 30px;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  padding-bottom: 15px;
  border-bottom: 1px solid #e8e8e8;
  margin-bottom: 15px;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
}

.sidebar-item {
  padding: 15px 0;
  border-bottom: 1px solid #f0f0f0;
}

.sidebar-item:last-child {
  border-bottom: none;
}

.sidebar-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.5;
}

.sidebar-item h4 a {
  color: var(--color-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-item h4 a:hover {
  color: var(--color-primary);
}

.sidebar-date {
  font-size: 12px;
  color: var(--color-text-light);
  display: block;
  margin-bottom: 4px;
}

.sidebar-desc {
  font-size: 13px;
  color: #999;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =========================================================
   联系我们
   ========================================================= */

/* Banner下方信息卡片 */
.contact-info-section {
  padding-top: 60px;
  padding-bottom: 0;
}

.contact-info-card-wrap {
  text-align: center;
}

.contact-info-card {
  display: inline-block;
  background-image: url('../images/contact/green-block-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 8px;
  padding: 30px 50px;
  text-align: left;
  min-width: 500px;
  color: var(--color-white);
  margin-top: -100px;
  position: relative;
  z-index: 10;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.contact-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.contact-en {
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 2px;
}

.contact-cn {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gold-dark);
}

.contact-phone-row {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.contact-icon-wrap {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
}

.contact-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(10);
}

.phone-label {
  font-size: 14px;
  opacity: 0.85;
}

.phone-number {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}

.contact-divider {
  height: 1px;
  background: rgba(255,255,255,0.3);
  margin: 15px 0;
}

.contact-address-row {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.contact-address-text .addr-label {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 5px;
}

.contact-address-text .addr-detail {
  font-size: 15px;
  line-height: 1.6;
}

/* 标题行 */
.contact-title-section {
  padding: 60px 0 30px;
  text-align: center;
  background: var(--color-bg-light);
}

.contact-title-img {
  height: 40px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.contact-subtitle-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.contact-dot {
  width: 20px;
  height: 6px;
  border-radius: 3px;
}

.contact-subtitle-text {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-dark);
}

/* 工作流程 */
.contact-flow-section {
  padding: 40px 0 60px;
}

.flow-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
}

.flow-row::before {
  content: '';
  position: absolute;
  top: 95px;
  left: 10%;
  right: 10%;
  height: 2px;
  border-top: 2px dashed #ddd;
  z-index: 0;
}

.flow-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.flow-circle-outer {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: #FBFBFB;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.flow-circle-mid {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.flow-circle-inner {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-num {
  color: var(--color-white);
  font-size: 22px;
  font-weight: 700;
}

.flow-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.flow-en {
  font-size: 11px;
  color: #ccc;
  letter-spacing: 1px;
  line-height: 1.3;
  max-width: 150px;
  margin: 0 auto;
}

/* 地址信息+地图 */
.contact-map-section {
  padding: 60px 0;
  background: var(--color-bg-light);
}

.contact-map-card {
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.contact-detail-info {
  padding: 40px 30px;
}

.contact-detail-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 30px;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 22px;
}

.cd-icon {
  width: 28px;
  height: auto;
  flex-shrink: 0;
  margin-top: 2px;
}

.cd-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.6;
}

.cd-text p {
  margin-bottom: 4px;
}

.contact-map-box {
  height: 450px;
  width: 100%;
}

/* =========================================================
   响应式 - 子页面追加
   ========================================================= */
@media (max-width: 992px) {
  .page-banner { height: 280px; }
  .banner-title { font-size: 22px; margin-bottom: 15px; }
  .banner-en { font-size: 14px; }
  .banner-content { padding-top: 130px; }

  .banner-bottom-bar,
  .banner-scroll-down,
  .banner-bread-wrap {
    height: 60px;
  }
  .banner-scroll-down {
    padding-left: 60px;
    padding-right: 160px;
    left: -300px;
    margin-right: -300px;
  }
  .banner-scroll-down span { font-size: 13px; }

  .contact-banner {
    height: 500px !important;
  }
  .contact-banner .banner-content {
    padding-top: 280px !important;
  }
  .contact-banner-inner {
    top: 80px;
  }

  .tech-tabs-nav {
    top: 70px;
    overflow-x: auto;
  }
  .tech-tab { padding: 12px 16px; font-size: 13px; }

  .about-honor {
    padding: 60px 0;
  }
  .about-honor-inner {
    flex-direction: column;
    gap: 50px;
    padding: 0 20px;
  }
  .honor-left {
    flex: none;
    width: 100%;
  }
  .honor-right {
    flex: none;
    width: 100%;
    text-align: center;
  }
  .honor-cert-img {
    max-width: 90%;
    margin: 0 auto;
    display: block;
  }

  .team-card-img {
    height: 240px;
  }

  .team-card-img {
    height: 240px;
  }
  .case-content { padding: 20px 0 !important; }
  .case-title { font-size: 20px; }

  .contact-info-card {
    min-width: auto;
    width: 100%;
    margin-top: 0;
    padding: 25px;
  }
  .contact-banner-inner .contact-info-card {
    margin-left: 0;
    width: 400px;
  }

  .flow-row::before { display: none; }
  .flow-circle-outer { width: 140px; height: 140px; }
  .flow-circle-mid { width: 100px; height: 100px; }
  .flow-circle-inner { width: 60px; height: 60px; }
}

@media (max-width: 768px) {
  .page-banner { height: 220px; }
  .banner-title { font-size: 18px; margin-bottom: 10px; }
  .banner-en { font-size: 12px; }
  .banner-content { padding-top: 90px; }

  .banner-scroll-down { display: none; }
  .banner-bottom-bar { height: 50px; }
  .banner-bread-wrap { height: 50px; }

  .about-banner-watermark {
    height: 60px !important;
  }

  .sol-watermark img,
  .case-watermark img {
    height: 50px !important;
  }

  .news-list-grid { grid-template-columns: 1fr; }
  .news-list-day { font-size: 24px; }
  .news-header-watermark img { height: 50px !important; }
  .news-page-title { font-size: 24px; }

  .team-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .team-card-img {
    height: 200px;
  }
  .team-slogan {
    font-size: 20px;
  }
  .team-line-wrap {
    width: 100%;
  }

  .contact-banner {
    height: 400px !important;
  }
  .contact-banner .banner-content {
    padding-top: 180px !important;
  }
  .contact-banner-inner {
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    z-index: 4;
    max-width: none;
    padding: 0;
    transform: none;
    pointer-events: none;
  }
  .contact-banner-inner .contact-info-card {
    margin-left: 0;
    min-width: auto;
    width: 100%;
    display: block;
  }

  .tech-detail-title { font-size: 22px; }

  .sol-page-img { height: 180px; }

  .news-list-grid { grid-template-columns: 1fr; gap: 0; }
  .news-list-day { font-size: 28px; }
  .news-header-watermark img { height: 50px !important; }

  .news-detail-main { padding: 20px; }

  .contact-detail-info { padding: 25px 20px; }
  .contact-map-box { height: 300px; }

  .phone-number { font-size: 22px; }
}

/* 蒸汽利用内容固定高度 - 仅在桌面端有效 */
.steam-text-fixed {
  height: 97px;
}
@media (max-width: 991.98px) {
  .steam-text-fixed {
    height: auto;
  }
  .img-right-md {
    text-align: center;
  }
  .img-right-md img {
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 手机端：强制所有横条不溢出 ===== */
@media (max-width: 768px) {
  .sol-page-line,
  .news-title-line,
  .team-line-wrap,
  .honor-line-wrap {
    max-width: 100% !important;
    width: 100% !important;
  }

  .sol-page-line[style*="width:580px"],
  .news-title-line[style*="width:455px"],
  .team-line-wrap[style*="width:640px"],
  .honor-line-wrap[style*="width:320px"] {
    width: 100% !important;
    max-width: 100% !important;
  }
}