/* ============================================
   全局变量与基础重置
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #165DFF;
  --primary-light: #4080ff;
  --accent-cyan: #00d4ff;
  --bg-white: #ffffff;
  --bg-gray: #f7f9fc;
  --bg-gray-blue: #dce6f1; /* 客户墙背景加深 */
  --bg-dark-blue: #344363;
  --text-dark: #111827;
  --text-medium: #6b7280;
  --text-light: #9ca3af;
  --text-white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 92%;
  max-width: 1280px;
  margin: 0 auto;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 鼠标光晕 */
.cursor-glow {
  position: fixed;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 6px 20px rgba(22, 93, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(22, 93, 255, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(22, 93, 255, 0.35);
}

.btn-outline:hover {
  background: rgba(22, 93, 255, 0.06);
  border-color: var(--primary);
}

.btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.08);
  color: var(--primary);
  border: 1px solid rgba(22, 93, 255, 0.25);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-small:hover {
  background: var(--primary);
  color: #fff;
}

/* ============================================
   导航栏
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter:  blur(20px);
  border-bottom: 1px solid rgba(22, 93, 255, 0.08);
  transition: var(--transition);
}

.header.scrolled {
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 12px;
  box-shadow: 0 4px 14px rgba(22, 93, 255, 0.25);
  white-space: nowrap;
  overflow: hidden;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-slogan {
  font-size: 12px;
  color: var(--text-medium);
}

.menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.menu a {
  color: var(--text-medium);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

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

.menu a.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
  border-radius: 2px;
}

/* 下拉菜单 */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--text-medium);
  font-size: 14px;
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background: rgba(22, 93, 255, 0.06);
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  font-size: 24px;
  color: var(--text-dark);
  cursor: pointer;
}

/* ============================================
   首屏 Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}
.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 1020px;
}

.hero-content h1 {
  font-size: 50px;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 800;
  color: var(--text-dark);
}

.hero-content p {
  font-size: 20px;
  color: var(--text-dark);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   通用区块
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.section-header p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--text-medium);
  line-height: 1.8;
}

/* ============================================
   第二屏：产品介绍 / 滑动门
   ============================================ */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: var(--text-medium);
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.tab-btn.active {
  color: var(--primary);
}
.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
  border-radius: 2px;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin-bottom: 40px;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.tab-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  transition: var(--transition);
}
.tab-card:hover {
  transform: translateY(-6px);
  border-color: rgba(22, 93, 255, 0.35);
  box-shadow: var(--shadow-md);
}

.tab-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.tab-card h3 {
  font-size: 20px;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.tab-card p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
}

.tab-img-wrap {
  width: 100%;
  text-align: center;
}
.tab-img-wrap img {
  max-width: 900px;
  width: 100%;
  border-radius: 12px;
  margin: 0 auto;
}

/* tab内部轮播样式 */
.slider-wrap {
  position: relative;
  overflow: hidden;
  border-radius:12px;
  max-width: 1020px;
  width: 100%;
  margin: 0 auto 40px auto;
}

.slider-track {
  display:flex;
  transition: transform 0.6s ease-in-out;
}
.slider-item {
  flex:0 0 100%;
  padding-bottom:32px;
  box-sizing: border-box;
}
.slider-item img {
  width:100%;
  display:block;
  border-radius:14px;
  border: 3px solid var(--primary);
  box-sizing: border-box;
}
.slider-dots {
  position:absolute;
  bottom:8px;
  left:0;
  width:100%;
  display:flex;
  justify-content:center;
  gap:12px;
}
.slider-dots .dot {
  width:10px;
  height:10px;
  border-radius:50%;
  background:#94a3b8;
  cursor:pointer;
  opacity:0.45;
  transition:0.2s;
}
.slider-dots .dot.active {
  background:var(--primary);
  opacity:1;
  transform: scale(1.2);
}


/* ============================================
   第三屏：服务流程（单图居中）
   ============================================ */
.service-process {
  background:linear-gradient(135deg, rgba(230, 242, 255, 0.95), rgba(208, 236, 255, 0.95));
  color: var(--text-dark);
}
.service-process .section-header p {
  color: var(--text-medium);
}
.process-center-wrap {
  width: 100%;
  text-align: center;
}
.process-center-wrap img {
  max-width: 1000px;
  width: 100%;
  border-radius: 12px;
  margin: 0 auto;
  display: inline-block;
}

/* ============================================
   第四屏：团队优势
   ============================================ */
.team-section {
  background: var(--bg-gray);
}
.team-data-row {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
  margin-bottom:60px;
  text-align:center;
}
.team-data-item .data-desc {
  font-size:16px;
  color:var(--text-medium);
  margin-bottom:8px;
}
.team-data-item .data-num {
  font-size:64px;
  font-weight:700;
  color:var(--text-dark);
  line-height:1;
}
.team-data-item .unit {
  font-size:24px;
}
.team-data-item h4 {
  font-size:20px;
  margin:16px 0 8px;
}
.team-data-item .data-text {
  font-size:14px;
  color:var(--text-medium);
  line-height:1.6;
}

/* ============================================
   第五屏：客户墙【加深灰蓝底色】
   ============================================ */
.client-wall-section {
  background: var(--bg-gray-blue);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.client-logo {
  padding: 18px 12px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-medium);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.client-logo:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   页脚
   ============================================ */
.footer {
  background: #111827;
  color: #e5e7eb;
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: #9ca3af;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: #fff;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a,
.footer-col li {
  font-size: 14px;
  color: #9ca3af;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #6b7280;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1200px) {
  .team-data-row {
    grid-template-columns:repeat(2,1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 40px 0;
    gap: 24px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .mobile-toggle {
    display: block;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: transparent;
    border: none;
    width: 100%;
    min-width: auto;
    padding: 10px 0 0;
    display: none;
  }

  .dropdown:hover .dropdown-menu {
    display: block;
  }

  .section-header h2 {
    font-size: 28px;
  }

  .product-tabs {
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .hero-content h1 {
    font-size: 32px;
  }
  .team-data-row,
  .tab-card-grid,
  .clients-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .product-tabs {
    flex-direction: column;
    align-items: center;
  }
  .tab-btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* ========== 联系我们页面专属样式 ========== */
.page-banner{
  margin-top:82px;
  padding:60px 0;
  background:linear-gradient(135deg,var(--primary),var(--accent-cyan));
  text-align:center;
  color:#fff;
}
.page-banner h1{
  font-size:40px;
  margin-bottom:12px;
  font-weight:700;
}
.page-banner p{
  font-size:17px;
  opacity:0.9;
}

.contact-wrap{
  padding:80px 0;
}
.contact-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:start;
}

.info-item{
  display:flex;
  gap:16px;
  margin-bottom:24px;
  align-items:flex-start;
}
.info-icon{
  width:44px;
  height:44px;
  border-radius:50%;
  background:rgba(22,93,255,0.08);
  color:var(--primary);
  display:grid;
  place-items:center;
  font-size:20px;
  flex-shrink:0;
}
.info-text h4{
  font-size:16px;
  margin-bottom:4px;
  color:var(--text-dark);
}
.info-text p{
  color:var(--text-medium);
  font-size:15px;
}

.map-box{
  margin-top:30px;
  width:100%;
  height:220px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--border-color);
}
.map-box img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* 表单样式 */
.consult-form{
  background:#fff;
  padding:30px;
  border-radius:16px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border-color);
}
.form-two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.form-item{
  margin-bottom:20px;
}
.form-item label{
  display:block;
  margin-bottom:8px;
  font-size:14px;
  color:var(--text-dark);
  font-weight:500;
}
.form-item input,
.form-item select,
.form-item textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  border:1px solid var(--border-color);
  border-radius:8px;
  font-size:14px;
  transition:var(--transition);
  background:#fff;
}
.form-item textarea{
  height:auto;
  padding:12px 14px;
  resize:none;
}
.form-item input:focus,
.form-item select:focus,
.form-item textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(22,93,255,0.1);
}
.form-submit{
  width:100%;
  height:48px;
  border-radius:8px;
}

/* 移动端适配 */
@media(max-width:900px){
  .contact-row{
    grid-template-columns:1fr;
  }
  .form-two-col{
    grid-template-columns:1fr;
  }
  .page-banner h1{
    font-size:30px;
  }
}

/* ========== 关于我们页面专属样式 ========== */
.about-intro{
  padding:80px 0;
}
.intro-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
.intro-col h2{
  font-size:24px;
  margin-bottom:20px;
  color:var(--text-dark);
}
.intro-col p{
  font-size:15px;
  color:var(--text-medium);
  line-height:1.8;
  margin-bottom:16px;
}

.values-section{
  padding:80px 0;
  background:var(--bg-gray);
}
.values-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.value-card{
  background:#fff;
  border-radius:16px;
  padding:30px;
  text-align:center;
  transition:var(--transition);
  border:1px solid var(--border-color);
}
.value-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
}
.value-icon{
  font-size:40px;
  margin-bottom:20px;
  color:var(--primary);
}
.value-card h3{
  font-size:20px;
  margin-bottom:12px;
  color:var(--text-dark);
}
.value-card p{
  font-size:14px;
  color:var(--text-medium);
  line-height:1.7;
}

/* 移动端适配 */
@media(max-width:900px){
  .intro-row{
    grid-template-columns:1fr;
  }
  .values-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:600px){
  .values-grid{
    grid-template-columns:1fr;
  }
}

/* ========== 社会责任页面 CSR专属样式 ========== */
.csr-block{
  padding:80px 0;
}
.bg-gray{
  background-color:#f7f9fc;
}
.bg-primary-light{
  background:linear-gradient(135deg,rgba(22,93,255,0.06),rgba(0,200,255,0.06));
}
.block-head{
  text-align:center;
  margin-bottom:50px;
}
.block-head h2{
  font-size:28px;
  color:var(--text-dark);
  margin-bottom:10px;
}
.block-head p{
  color:var(--text-medium);
  font-size:16px;
}

.csr-two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:center;
}
.reverse{
  direction:rtl;
}
.reverse .csr-text,
.reverse .csr-card-box{
  direction:ltr;
}

.csr-text p{
  line-height:1.8;
  color:var(--text-medium);
  margin-bottom:20px;
  font-size:15px;
}
.csr-list{
  padding-left:20px;
}
.csr-list li{
  line-height:1.7;
  color:var(--text-medium);
  margin-bottom:12px;
  position:relative;
  padding-left:8px;
}

.csr-cert-card{
  background:#fff;
  padding:30px;
  border-radius:14px;
  border-left:5px solid var(--primary);
  box-shadow:var(--shadow-sm);
}
.csr-cert-card h4{
  font-size:20px;
  margin-bottom:16px;
  color:var(--primary);
}
.csr-cert-card p{
  padding:8px 0;
  border-bottom:1px solid #eee;
  color:var(--text-medium);
}
.csr-cert-card p:last-child{
  border:none;
}

.emp-card-item{
  background:#fff;
  padding:24px;
  border-radius:12px;
  margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.emp-icon{
  font-size:32px;
  margin-bottom:12px;
  color:var(--primary);
}
.emp-card-item h4{
  font-size:18px;
  margin-bottom:10px;
}
.emp-card-item p{
  font-size:14px;
  color:var(--text-medium);
  line-height:1.7;
}

.ethic-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.ethic-card{
  background:#fff;
  padding:28px;
  border-radius:14px;
  border-top:4px solid var(--primary);
  transition:all 0.3s ease;
}
.ethic-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
}
.ethic-card h4{
  font-size:18px;
  margin-bottom:12px;
  color:var(--text-dark);
}
.ethic-card p{
  font-size:14px;
  color:var(--text-medium);
  line-height:1.7;
}

.public-welfare-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.welfare-item{
  background:#fff;
  padding:30px;
  border-radius:14px;
  box-shadow:var(--shadow-sm);
}
.welfare-item h3{
  font-size:20px;
  margin-bottom:14px;
  color:var(--primary);
}
.welfare-item p{
  font-size:14px;
  color:var(--text-medium);
  line-height:1.75;
}

.staff-content{
  max-width:900px;
  margin:0 auto;
  text-align:center;
  font-size:16px;
  line-height:1.9;
  color:var(--text-medium);
}

/* 移动端自适应 */
@media(max-width:992px){
  .csr-two-col{
    grid-template-columns:1fr;
  }
  .ethic-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .public-welfare-row{
    grid-template-columns:1fr;
  }
}
@media(max-width:600px){
  .ethic-grid{
    grid-template-columns:1fr;
  }
  .csr-block{
    padding:50px 0;
  }
  .block-head h2{
    font-size:22px;
  }
}

/* ========== 私有化标注平台 platform页面样式 ========== */
.platform-advantage{
  padding:80px 0;
}
.advantage-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.adv-card{
  background:#fff;
  padding:30px;
  border-radius:14px;
  border-left:4px solid var(--primary);
  transition:0.3s ease;
}
.adv-card:hover{
  transform:translateY(-5px);
  box-shadow:0 8px 24px rgba(22,93,255,0.08);
}
.adv-icon{
  font-size:36px;
  margin-bottom:16px;
  color:var(--primary);
}
.adv-card h4{
  font-size:19px;
  margin-bottom:12px;
}
.adv-card p{
  font-size:14px;
  line-height:1.7;
  color:#555;
}

.platform-module{
  padding:80px 0;
}
.module-three-col{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.module-card{
  background:#fff;
  padding:32px;
  border-radius:14px;
  box-shadow:0 2px 12px rgba(0,0,0,0.04);
}
.module-card h3{
  font-size:22px;
  color:var(--primary);
  margin-bottom:20px;
  padding-bottom:10px;
  border-bottom:2px solid #e8f0ff;
}
.module-list li{
  line-height:1.8;
  margin-bottom:10px;
  font-size:14px;
  color:#444;
  padding-left:6px;
}

.platform-quality{
  padding:80px 0;
}
.quality-step{
  display:flex;
  justify-content:space-between;
  gap:15px;
  flex-wrap:wrap;
}
.step-item{
  flex:1;
  min-width:200px;
  text-align:center;
  padding:20px 12px;
  position:relative;
}
.step-item:not(:last-child)::after{
  content:"→";
  position:absolute;
  right:-10px;
  top:50%;
  transform:translateY(-50%);
  font-size:24px;
  color:var(--primary);
}
.step-item h4{
  margin-bottom:10px;
  color:var(--primary);
}

.deploy-plan{
  padding:80px 0;
}
.deploy-three-col{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.deploy-card{
  background:#fff;
  padding:30px;
  border-radius:14px;
  text-align:center;
  border-top:4px solid var(--primary);
}
.deploy-card h4{
  font-size:20px;
  margin-bottom:14px;
}
.deploy-card p{
  font-size:14px;
  line-height:1.7;
  color:#555;
}

.scene-apply{
  padding:80px 0;
}
.scene-grid{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
}
.scene-tag{
  padding:10px 22px;
  background:#f0f6ff;
  color:var(--primary);
  border-radius:30px;
  font-size:15px;
}

/* 移动端适配 */
@media(max-width:992px){
  .advantage-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .module-three-col,.deploy-three-col{
    grid-template-columns:1fr;
  }
  .quality-step{
    flex-direction:column;
  }
  .step-item:not(:last-child)::after{
    display:none;
  }
}
@media(max-width:600px){
  .advantage-grid{
    grid-template-columns:1fr;
  }
}
/* 全局基础变量（已有则忽略） */
:root{
    --primary:#165dff;
    --light-blue:#20b4e9;
    --gray-bg:#f7f9fc;
}

/* ========== 首页专属样式 ========== */
.hero-banner{
    height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg,#0f52d0,#20b4e9);
    color: #fff;
    text-align: center;
}
.hero-text h1{
    font-size: 44px;
    margin-bottom: 20px;
}
.hero-text p{
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
}
.hero-btns{
    display: flex;
    gap:20px;
    justify-content: center;
}

.advantage-wrap{
    padding:80px 0;
}
.adv-grid{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap:24px;
    margin-top:40px;
}
.adv-item{
    background: #fff;
    padding:28px;
    border-radius:12px;
    box-shadow:0 2px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
}
.adv-item:hover{
    transform: translateY(-6px);
    box-shadow:0 8px 25px rgba(22,93,255,0.1);
}
.adv-icon{
    font-size:34px;
    color: var(--primary);
    margin-bottom:16px;
}
.adv-item h4{
    font-size:18px;
    margin-bottom:12px;
}

.capability-wrap{
    padding:80px 0;
}
.cap-grid{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap:22px;
    margin-top:40px;
}
.cap-card{
    background:#fff;
    padding:24px;
    border-radius:12px;
    border-left:4px solid var(--primary);
}
.cap-card h4{
    color: var(--primary);
    margin-bottom:10px;
}

.service-wrap{
    padding:80px 0;
}
.service-list{
    max-width:900px;
    margin:30px auto;
}
.service-list li{
    font-size:16px;
    line-height:2;
    padding-left:20px;
    position:relative;
    margin-bottom:12px;
}
.service-list li::before{
    content:"✓";
    position:absolute;
    left:0;
    color:var(--primary);
    font-weight:bold;
}
.service-btn{
    text-align:center;
    margin-top:40px;
}

.deploy-wrap{
    padding:80px 0;
}
.deploy-grid{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap:26px;
    margin-top:40px;
}
.deploy-card{
    background:#fff;
    padding:30px;
    border-radius:12px;
    text-align:center;
    border-top:4px solid var(--primary);
}

.scene-wrap{
    padding:80px 0;
}
.scene-tags{
    display:flex;
    flex-wrap:wrap;
    gap:18px;
    justify-content:center;
    margin-top:40px;
}
.scene-tags span{
    padding:10px 24px;
    background:#f0f6ff;
    color:var(--primary);
    border-radius:30px;
    font-size:15px;
}

.cta-area{
    padding:60px 0;
    text-align:center;
}
.cta-inner h2{
    margin-bottom:16px;
}
.cta-inner p{
    margin-bottom:30px;
}

.bg-gray{
    background-color: var(--gray-bg);
}
.bg-primary-light{
    background-color: #e8f0ff;
}

/* 移动端自适应 */
@media(max-width:992px){
    .adv-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .cap-grid,.deploy-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .hero-text h1{
        font-size:32px;
    }
}
@media(max-width:600px){
    .adv-grid,.cap-grid,.deploy-grid{
        grid-template-columns: 1fr;
    }
    .hero-btns{
        flex-direction:column;
        align-items:center;
    }
}
/* 左右排版通用布局 */
.flex-row{
  display:flex;
  align-items:center;
  gap:40px;
  margin:60px 0;
}
.left-text-right-img .text-side{width:55%;}
.left-text-right-img .img-side{width:45%;}

.left-img-right-text .img-side{width:45%;}
.left-img-right-text .text-side{width:55%;}

.flex-row img{
  width:100%;
  border-radius:8px;
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
}

.advantage-list li,.label-type-list li{
  line-height:2;
  padding-left:20px;
  position:relative;
}
.advantage-list li::before,.label-type-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:#0088ff;
}

.split-line-section{
  background:#f7f9fc;
  text-align:center;
  padding:40px 0;
  font-size:18px;
  color:#333;
}