/* ==========================================================================
   全局通用样式
   ========================================================================== */
:root {
  --primary-color: #0052D9;
  --primary-light: #00A4FF; 
  --tech-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --tech-gradient-hover: linear-gradient(135deg, #0045B8 0%, #008EE6 100%);
  --glow-shadow: 0 8px 20px rgba(0, 164, 255, 0.3);
  --bg-gradient-gray: linear-gradient(180deg, #F4F7FB 0%, #FFFFFF 100%);
}

body {
  font-family: PingFangSC-Regular, Avenir, Helvetica, Arial, sans-serif;
  background-color: #fff;
  color: #333;
}

.container-1635 {
  width: 100% !important;
  max-width: 1200px !important;
  margin-right: auto;
  margin-left: auto;
  padding: 0 30px;
}

@media (min-width: 1200px) {
  .container-1635 {
    width: 100% !important;
  }
}

@media (min-width: 992px) {
  .container-1635 {
    width: 970px;
  }
}

@media (min-width: 768px) {
  .container-1635 {
    width: 750px;
  }
}

.section {
  padding: 60px 0;
}

.bg-gray {
  background: #E7E6E6;
  position: relative;
  overflow: hidden;
}

.bg-gray::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 164, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.bg-white {
  background-color: #ffffff;
}

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

.section-title h2 {
  font-size: 24px;
  font-weight: bold;
  color: #222;
  margin-bottom: 10px;
}

.section-title p {
  font-size: 20px;
  color: #666;
}

@media (max-width: 1200px) {
  .section {
    padding: 40px 0; 
  }
  .section-title {
    margin-bottom: 35px; 
  }
  .section-title h2 {
    font-size: 24px; 
  }
  .section-title p {
    font-size: 20px; 
  }
}

@media (max-width: 767px) {
  .section {
    padding: 30px 0; 
  }
  .section-title {
    margin-bottom: 25px;
  }
  .section-title h2 {
    font-size: 20px;
  }
  .section-title p {
    font-size: 14px;
  }
  .scenario-bg-wrapper {
    padding: 15px 10px; 
  }
}

/* 按钮升级：渐变流光扫过与悬浮发光 */
.btn-consult {
  background: var(--tech-gradient);
  color: #fff;
  border-radius: 6px;
  padding: 10px 35px;
  font-size: 16px;
  font-weight: 500;
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 82, 217, 0.2);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1;
  display: inline-block;
  text-decoration: none;
}

.btn-consult::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: all 0.5s;
  z-index: -1;
}

.btn-consult:hover {
  background: var(--tech-gradient-hover);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--glow-shadow);
  text-decoration: none;
}

.btn-consult:hover::after {
  left: 150%;
}

.text-center-btn {
  text-align: center;
  margin-top: 30px;
}

/* 顶部 Banner 样式 */
.main-banner {
  width: 100%;
  overflow: hidden;
}

.main-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   第一部分：场景升级
   ========================================================================== */
.scenario-bg-wrapper {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 10px 15px;
  border-radius: 8px;
}

.scenario-box {
  margin-bottom: 0px;
  font-size: 12px; 
}

.scenario-content-flex {
  display: flex;
  align-items: flex-start;    
  justify-content: center;
  gap: 15px;             
  min-height: 140px;
  margin: 0 auto;
}

.scenario-img-container {
  flex: 0 0 auto; 
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.scenario-img-container img {
  object-fit: contain;
}

.scenario-text {
  flex: 0 1 auto; 
  max-width: 60%; 
  padding-left: 15px;
  margin: 0;
  color: #333;
  list-style-type: disc;
}

.scenario-text li {
  margin-bottom: 8px;
  line-height: 1.4;  
}

.arrow-divider-container {
  margin: 40px 0 50px 0; 
  text-align: center;
}

.arrow-divider-container img {
  width: 100%;
}

/* 第一排（上部分）*/
.scenario-bg-wrapper .row:nth-child(1) .col-md-3:nth-child(1) .scenario-img-container img { height: 110px; } 
.scenario-bg-wrapper .row:nth-child(1) .col-md-3:nth-child(2) .scenario-img-container img { width:  130px; } 
.scenario-bg-wrapper .row:nth-child(1) .col-md-3:nth-child(3) .scenario-img-container img { height: 120px; } 
.scenario-bg-wrapper .row:nth-child(1) .col-md-3:nth-child(4) .scenario-img-container img { width:  110px; } 


/* ==========================================================================
   纯 CSS 科技感流程箭头 (替换 scene-lb.png)
   ========================================================================== */
.tech-arrow-divider {
  margin: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 35px;
  position: relative;
}

/* 箭头行容器 */
.ribbon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 44px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 10px rgba(0, 82, 217, 0.2)); /* 整体发光阴影 */
}

/* 背景层：专门用于裁剪出箭头形状，防止裁掉外侧的小图标 */
.ribbon-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden; 
}

/* 绘制上排向右的箭头形状 */
.top-ribbon .ribbon-bg {
  background: var(--tech-gradient);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%, 20px 50%);
}

/* 绘制下排向左的箭头形状 */
.bottom-ribbon .ribbon-bg {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
  clip-path: polygon(20px 0, 100% 0, calc(100% - 20px) 50%, 100% 100%, 20px 100%, 0 50%);
}

/* 内部流光扫过动画 */
.ribbon-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: -50%;
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  animation: sweepLight 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}
.bottom-ribbon .ribbon-bg::after {
  animation-delay: 2s; /* 下排光效错开时间 */
}

@keyframes sweepLight {
  0% { left: -50%; }
  40% { left: 150%; }
  100% { left: 150%; }
}

/* 右侧连接块 */
.ribbon-connector {
  display: none;
  position: absolute;
  right: 0;
  top: 44px;
  height: 35px;
  width: 65px;
  background: rgba(0, 164, 255, 0.4);
}

/* 文字列排版 */
.ribbon-col {
  flex: 1;
  text-align: center;
  color: #fff;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 1px;
  position: relative;
}

/* ==========================================================================
   上下跳动的连接指示小箭头
   ========================================================================== */
.up-arrow, .down-arrow {
  position: absolute;
  width: 2px;
  height: 20px;
  background: var(--primary-color);
  left: 50%;
}

/* 指向上方 */
.up-arrow {
  top: -28px;
  animation: pulseUp 2s infinite;
}
.up-arrow::before {
  content: ""; 
  position: absolute; 
  top: -6px; 
  left: -4px;
  border-left: 5px solid transparent; 
  border-right: 5px solid transparent; 
  border-bottom: 6px solid var(--primary-color);
}

/* 指向下方 */
.down-arrow {
  bottom: -28px;
  animation: pulseDown 2s infinite;
}
.down-arrow::before {
  content: ""; 
  position: absolute; 
  bottom: -6px; 
  left: -4px;
  border-left: 5px solid transparent; 
  border-right: 5px solid transparent; 
  border-top: 6px solid var(--primary-color);
}

@keyframes pulseUp {
  0% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(-5px); }
  100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
}

@keyframes pulseDown {
  0% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(5px); }
  100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
}



/* 第二排（下部分）*/
.scenario-bg-wrapper .row:nth-child(3) .col-md-3:nth-child(1) .scenario-img-container img { width:  130px; } 
.scenario-bg-wrapper .row:nth-child(3) .col-md-3:nth-child(2) .scenario-img-container img { height: 120px; } 
.scenario-bg-wrapper .row:nth-child(3) .col-md-3:nth-child(3) .scenario-img-container img { height: 120px; } 
.scenario-bg-wrapper .row:nth-child(3) .col-md-3:nth-child(4) .scenario-img-container img { width:  130px; } 

/* 响应式调整 */
@media (max-width: 1200px) {
  .arrow-divider-container {
    display: none;
  }
}

@media (max-width: 767px) {
  .scenario-content-flex {
    flex-direction: column;
    align-items: center;
    gap: 15px;          
    min-height: auto;    
  }
  .scenario-img-container {
    flex: none;
    width: 100%;
    max-width: 280px; 
  }
  .scenario-img-container img {
    max-height: 180px;  
  }
  .scenario-text {
    width: 100%;
    padding-left: 20px; 
    padding-right: 10px;
  }
  .scenario-text li {
    margin-bottom: 8px; 
    font-size: 14px;    
  }
  .scenario-box {
    margin-bottom: 35px; 
  }
}

/* ==========================================================================
   第二部分：系统架构
   ========================================================================== */
.system-arch-wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 30px auto;
}

.sys-arch-row {
  display: flex;
  margin-bottom: 12px;
  align-items: stretch;
  gap: 12px;
}

/* 标签栏升级：使用科技渐变色与轻微发光边框 */
.sys-label {
  background: var(--tech-gradient);
  box-shadow: 2px 0 10px rgba(0, 82, 217, 0.15);
  color: #ffffff;
  width: 115px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  border-radius: 4px;
  padding: 10px;
}

.sys-content {
  flex: 1;
  display: flex;
}

.sys-content.transparent-bg {
  background-color: transparent;
  gap: 12px;
}

/* 中间包裹层升级：使用通透的浅蓝色渐变 */
.sys-content.light-blue-bg {
  background: linear-gradient(135deg, #e8f0fa 0%, #f3f8ff 100%);
  border: 1px solid #d1e2f7;
  border-radius: 6px;
  padding: 12px;
}

.sys-content.col-dir {
  flex-direction: column;
  gap: 12px;
}

.sys-content.row-dir {
  flex-direction: row;
  gap: 12px;
}

/* 独立蓝色边框方块升级：渐变边框和上浮动画 */
.sys-box-outline {
  flex: 1;
  border: 1.5px solid transparent; 
  background-image: linear-gradient(#fff, #fff), var(--tech-gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  color: var(--primary-color);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 15px 5px;
  border-radius: 4px;
  font-size: 15px;
  transition: all 0.3s ease;
}

.sys-box-outline:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 164, 255, 0.15);
}

.sys-flex-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.sys-inner-panel {
  background-color: #dae7f6;
  border: 1px solid #9ebce0;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}

.sys-panel-title {
  color: #333;
  font-weight: bold;
  text-align: center;
  padding: 10px 0;
  border-bottom: 1px solid #9ebce0;
  font-size: 14px;
}

.sys-panel-grid {
  padding: 10px;
  display: grid;
  gap: 8px;
  align-content: start;
  flex: 1;
}

.sys-panel-grid.grid-1 { grid-template-columns: 1fr; }
.sys-panel-grid.grid-2 { grid-template-columns: 1fr 1fr; }

/* 最小粒度标签互动升级：悬浮变色 */
.sys-tag {
  background-color: #ffffff;
  border: 1px solid #c2d5eb;
  color: #444;
  padding: 6px 4px;
  text-align: center;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.sys-tag:hover {
  background: var(--tech-gradient);
  color: #fff;
  border-color: transparent;
  transform: scale(1.05);
  box-shadow: 0 3px 8px rgba(0, 82, 217, 0.2);
}

.sys-base-strip {
  display: flex;
  background-color: #92b0d8;
  border-radius: 4px;
  border: 1px solid #8caee0;
  overflow: hidden;
}

.sys-base-strip-title {
  width: 80px;
  background-color: #9ebce0;
  color: #333;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
}

.sys-base-strip-content {
  flex: 1;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: #dae7f6;
  padding: 10px;
}

.sys-base-strip-content .sys-tag {
  flex: 1;
  margin: 0 4px;
}

.sys-side-panel {
  background-color: #dae7f6;
  border: 1px solid #9ebce0;
  border-radius: 4px;
  display: flex;
  overflow: hidden;
}

.sys-side-title {
  width: 65px;
  background-color: #9ebce0;
  color: #333;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
  font-size: 14px;
}

.sys-side-grid {
  flex: 1;
  padding: 10px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.sys-side-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 991px) {
  .sys-arch-row { flex-direction: column; }
  .sys-label { width: 100%; padding: 8px; }
  .sys-content.transparent-bg { flex-wrap: wrap; }
  .sys-box-outline { min-width: 30%; font-size: 13px; padding: 10px 5px; }
  .sys-flex-row { flex-direction: column; }
  .sys-content.row-dir { flex-direction: column; }
  .sys-base-strip { flex-direction: column; }
  .sys-base-strip-title { width: 100%; padding: 6px; flex-direction: row; }
  .sys-base-strip-title br { display: none; }
  .sys-base-strip-content { flex-wrap: wrap; gap: 8px; }
  .sys-base-strip-content .sys-tag { flex: 0 0 calc(33.33% - 8px); margin: 0; }
  .sys-side-panel { flex-direction: column; }
  .sys-side-title { width: 100%; padding: 6px; flex-direction: row; }
  .sys-side-title br { display: none; }
}

@media (max-width: 767px) {
  .sys-box-outline { min-width: 45%; }
  .sys-base-strip-content .sys-tag { flex: 0 0 calc(50% - 8px); }
  .sys-side-grid.grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   第三部分：12大功能亮点
   ========================================================================== */
.feature-item {
  background: #fff;
  padding: 30px 15px;
  margin-bottom: 30px;
  text-align: center;
  border: 1px solid #eaeaea;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  height: 180px;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 65px;
  height: 65px;
  margin: 0 auto 15px;
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.feature-icon {
  width: 65px;
  height: 65px;
  margin: 0 auto 15px;
  /* 采用浅蓝色柔和背景 */
  background: rgba(0, 82, 217, 0.08); 
  /* 大圆角，更现代 */
  border-radius: 18px; 
  /* 用 Flex 布局让里面的图标完美居中 */
  display: flex;
  align-items: center;
  justify-content: center;
  /* 悬浮过渡动画 */
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 图标本体样式 */
.feature-icon i {
  font-size: 35px; /* 图标大小 */
  color: var(--primary-color); /* 科技主蓝 */
  transition: all 0.4s ease;
}



/* 图标上下浮动动画 */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

.feature-item:hover .feature-icon img {
  animation: float 2s ease-in-out infinite;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: bold;
  color: #333;
}

/* 遮罩层升级：科技感玻璃拟态与渐变色 */
.feature-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 82, 217, 0.95) 0%, rgba(0, 164, 255, 0.85) 100%);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 15px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
}

.feature-item:hover .feature-overlay {
  transform: translateY(0);
}

.feature-overlay-title {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 8px;
  text-align: center;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 8px;
}

.feature-overlay-desc {
  font-size: 14px;
  font-weight: lighter;
  letter-spacing: 1px;
  line-height: 1.5;
  margin: 0;
  text-align: justify;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   第四部分：解决方案
   ========================================================================== */
.solution-card {
  border: 1px solid #eee;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease; 
}

.solution-card:hover {
  transform: translateY(-10px); 
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1); 
}

/* 卡片头部升级：增加科技感渐变与几何装饰点缀 */
.solution-header {
  background: var(--tech-gradient);
  color: #fff;
  padding: 30px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.solution-header::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
  border-radius: 50%;
}

.solution-header h3 {
  margin: 15px 0 5px;
  font-weight: bold;
}

.solution-header p {
  font-size: 13px;
  margin: 0;
  opacity: 0.8;
}

.solution-body {
  padding: 20px 30px;
  height: 290px;
}

.solution-title-sm {
  text-align: center;
  color: #333;
  font-weight: bold;
  margin-bottom: 20px;
}

.solution-list {
  height: 150px;
  list-style: none;
  padding: 0;
  margin: 0 auto 20px auto; 
  width: fit-content;       
  display: flex;
  flex-direction: column;
  align-items: flex-start;  
}

.solution-list li {
  margin-bottom: 12px;
  font-size: 14px;
  display: flex;
  align-items: center; 
  color: #555;
  text-align: left;    
}

.solution-list li img.list-check {
  width: 16px;
  height: 16px;
  margin-right: 10px;
  margin-top: 0;        
}

/* ==========================================================================
   第五部分：典型案例
   ========================================================================== */
.case-carousel-wrapper {
  position: relative;
  padding: 0 60px;
}

/* 左右箭头交互升级：增加不透明度过渡及发光滤镜 */
.case-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 35px;
  transition: all 0.3s;
  opacity: 0.5;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.case-nav:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.15);
  filter: drop-shadow(var(--glow-shadow));
}

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

.case-prev { left: 0; }
.case-next { right: 0; }

.case-box {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  position: relative;
  min-height: 380px;
  padding: 50px 0px;
}

.case-item {
  display: none;
  width: 100%;
  align-items: stretch;
  animation: caseFadeIn 0.5s ease-in-out;
}

.case-item.active { display: flex; }

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

.case-img {
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

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

.case-content {
  width: 50%;
  padding: 50px 60px 50px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-content h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 0;
  color: #333;
  display: flex;
  align-items: center;
  gap: 20px;
}

.case-content h3 img {
  height: 32px;
  max-width: 130px;
  object-fit: contain;
}

/* 装饰短线升级：渐变色和悬停伸长互动 */
.case-divider {
  height: 3px;
  width: 40px; 
  background: var(--tech-gradient);
  border-radius: 2px;
  margin: 15px 0 25px 0;
  transition: width 0.3s ease;
}

.case-item:hover .case-divider {
  width: 80px;
}

.case-content p {
  color: #666;
  line-height: 1.8;
  font-size: 15px;
  text-indent: 2em;
  text-align: justify;
  margin: 0;
}

@media (max-width: 991px) {
  .case-carousel-wrapper { padding: 0 40px; }
  .case-item.active { flex-direction: column; }
  .case-img, .case-content { width: 100%; }
  .case-img { padding: 20px 20px 0 20px; }
  .case-content { padding: 30px; }
  .case-nav { width: 25px; }
}