<!-- 配套CSS（核心片段） -->  
.banner-section {  
    background-color: #1E3A8A;  
    padding: 4rem 0;  
}  
.banner-container {  
    display: flex;  
    align-items: center;  
    justify-content: space-between;  
}  
.banner-text {  
    color: white;  
    max-width: 500px;  
}  
.main-title {  
    font-size: 2.5rem;  
    margin: 1rem 0;  
}  
.download-btn {  
    background: #F97316;  
    color: white;  
    padding: 0.8rem 1.5rem;  
    border-radius: 8px;  
    text-decoration: none;  
    margin-top: 1.5rem;  
    display: inline-block;  
}  

.bp{
	object-fit: cover; /* 使img元素自适应div大小，同时保持其纵横比 */
	width: 500px;
	height: 500px;
}
.midbp{
	object-fit: contain; /* 使img元素自适应div大小，同时保持其纵横比 */
	width: 100%;
	height: 100%;
	/* background-color: aqua; */
}
.textbox{
	background-color: white;
	text-align: left;
	font-size: 1.25rem;
	font-family: 'Courier New', Courier, monospace;
	padding: 100px 80px;
	/* background-color: pink; */
	width: calc(100% - 400px);
	/* height: 400px; */
}
.banner2{
	display: flex;
	flex-direction: row;
	justify-content: left;
	width: 100%;
	height: 600px;
	background-image: linear-gradient(135deg, #1E3A8A 0%, #38598B 100%);
	margin: auto;
}
.bannerfit{
	width: 100%;
	height: 100%;
	object-fit: cover; /* 使img元素自适应div大小，同时保持其纵横比 */ 
	/* background-color: rgba(220,80,20,0.7); */
}
.banTip{
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 100%;
	height: 100%;
	color: white;
	font-size: 3rem;
	margin: auto;
	/* padding: 20px; */
	text-align: center;
	/* border: 1px solid yellow; */
}
.banPic{
	display: flex;
	flex-direction: row;
	justify-content: center;
	width: 100%;
	height: 100%;
}
.banner_icon{
    /* display: flex; */
    /* justify-content: flex-end; */
    /* align-items: center; */
    /* 或者使用绝对定位 */
    /* position: absolute; */
    right: 20px;
    top: 50%;
	/* display: inline; */
	padding: 40px;
	font-size: 20px;
	left: 20px;
	margin: 0px 20px;
	text-align: left;
}
.banner_license{
	padding: 5px;
	font-size: 16px;
	right: 20px;
	margin: 0px 20px;
    /* transform: translateY(-50%); */
	text-align: right;
    color: white !important;
    /* 添加悬停效果 */
    transition: all 0.3s ease;
}
.banner_license:hover {
    color: #f0f0f0 !important;
    text-decoration: underline;
}
.banner_title{
	font-size: 48px;
	font-family: Verdana, Geneva, Tahoma, sans-serif;
	font-weight: bold;
	text-align: center;
}
.banner_exp{
	font-size: 20px;
	text-align: center;
}
.itext{
	font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
	font-size: 24px;
	text-align: left;
	text-indent: 2em; 
}
.title1{
	font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
	font-size: 1.875rem;
	/* font-weight: bold; */
	text-align: center;
}
.danluM {  
	display: none;
	flex-direction: row;
	/* align-items: center; */
	/* align-self: center; */
	/* position: absolute; */
	/* top: 100%;  */
	/* left: 0;  */
	background-color: #ffffff;
	color: black;
	width: 180px;
	padding: auto;
	margin: auto;
	border: 1px solid black;
	border-radius: 5px;
}  

.danludownload:hover .danluM{
	display: flex;
}
.danludownload {
	display: block;
	color: white;
	/* background-color: yellow; */
	width: 400px;
	height: 300px;
	margin: auto;
	/* border: 1px solid #ffffff; */
	padding: 5px 10px;
	/* text-decoration: none; */
	/* font-family: 微软雅黑; */
	border-radius: 30px;
}
.item2{
	display: block;
	background: #F97316;
	color: white;
	display: inline-block;
	padding: 0.8rem 1.5rem;
	border-radius: 8px;
	width: 100%;
	margin: 10px auto;
	font-size: 20px;
	padding: auto;
	text-decoration: none;
	font-family: 微软雅黑;
}

/* 痛点洞察区 - 整体容器 */
.pain-points-section {
  padding: 6rem 0; /* 增加上下间距，更透气 */
  background: #fff;
}

/* 标题模块：带动画下划线 */
.section-title {
  text-align: center;
  margin-bottom: 5rem; 
}
.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #1F2937; /* 深灰主标题 */
  position: relative;
  display: inline-block;
}
/* 下划线动画：从中间展开 */
.title-underline {
  width: 0;
  height: 3px;
  background: #3B82F6; /* 品牌蓝 */
  margin: 1.25rem auto 0;
  transition: width 0.3s ease;
  /* 初始隐藏，hover时展开（可结合JS实现，或直接写固定宽度） */
  /* 若要纯CSS交互，可给.section-title:hover .title-underline { width: 60px; } */
  width: 60px; /* 这里直接设置固定宽度，如需动画可结合hover */
}

/* 左右分栏布局 */
.flex-col.md:flex-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3rem;
}
.md:w-1/2 {
  flex: 1;
  min-width: 320px;
}

/* 左侧：痛点卡片 */
.pain-point-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: #F9FAFB; /* 浅灰背景 */
  padding: 1.75rem;
  border-radius: 16px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.03);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  margin-bottom: 1.5rem;
}
.pain-point-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}
/* 痛点图标 */
.pain-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #DBEAFE; /* 品牌蓝浅背景 */
  border-radius: 50%;
  color: #3B82F6;
  font-size: 1.5rem; /* 图标放大 */
}
/* 痛点文字 */
.pain-point-item div {
  flex: 1;
}
.pain-point-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.5rem;
}
.pain-point-item p {
  font-size: 1rem;
  color: #6B7280;
  line-height: 1.6;
}

/* 右侧：解决方案 */
.solution-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  margin-bottom: 2rem;
}
.solution-image:hover {
  transform: translateY(-5px);
}
/* 图片渐变遮罩（可选，增强层次感） */
.solution-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0) 60%, rgba(255,255,255,0.9) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.solution-image:hover::before {
  opacity: 1;
}
.solution-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* 解决方案列表 */
.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}
.solution-item:hover {
  transform: translateX(6px);
}
/* 解决方案图标（换成安全相关图标更贴合） */
.solution-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #D1FAE5; /* 品牌绿浅背景 */
  border-radius: 50%;
  color: #22C55E; /* 品牌绿 */
  font-size: 1.25rem;
}
.solution-item p {
  flex: 1;
  font-size: 1rem;
  color: #4B5563;
  line-height: 1.6;
}
.solution-item .font-semibold {
  color: #111827;
  font-weight: 600;
}

/* 响应式适配（移动端堆叠+居中） */
@media (max-width: 768px) {
  .flex-col.md:flex-row {
    flex-direction: column;
  }
  .pain-point-item, .solution-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .pain-icon, .solution-icon {
    margin-bottom: 1rem;
  }
  .solution-image {
    margin: 2rem 0;
  }
}
























































/* 基础样式设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 通用类 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    margin-bottom: 2rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background-color: #3b82f6;
    margin: 12px auto 0;
    border-radius: 2px;
}

/* Hero 横幅区 */
.hero-section {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 4rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-image img {
    width: 100%;
    height: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* 按钮样式 */
.download-btn {
    display: inline-block;
    background-color: #f97316;
    color: white;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(249, 115, 22, 0.2);
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.3);
}

/* 痛点洞察区 */
.pain-points-section {
    padding: 5rem 0;
}

.pain-point-item {
    padding: 1rem;
    border-radius: 0.75rem;
    transition: background-color 0.3s ease;
}

.pain-point-item:hover {
    background-color: #f8fafc;
}

.pain-icon {
    flex-shrink: 0;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1);
}

.solution-image img {
    width: 100%;
    height: auto;
    border: 1px solid #e2e8f0;
}

.solution-item {
    padding: 0.5rem 0;
}

.solution-icon {
    flex-shrink: 0;
}

/* 功能亮点区 */
.features-section {
    padding: 5rem 0;
}

.feature-card {
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-icon {
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1);
}

/* 信任强化区 */
.trust-section {
    padding: 5rem 0;
}

.trust-container {
    position: relative;
    overflow: hidden;
}

.trust-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.trust-item {
    padding: 1rem;
}

.trust-icon {
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1);
}

/* 行动号召区 */
.cta-section {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    padding: 5rem 0;
    color: white;
}

.cta-download-btn {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

.app-screenshots img {
    width: 100%;
    height: auto;
    border: 3px solid white;
    transition: transform 0.3s ease;
}

.app-screenshots img:hover {
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0 4rem;
    }
    
    h1 {
        font-size: 2.5rem !important;
    }
    
    h2 {
        font-size: 2rem !important;
    }
    
    .trust-features {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .app-screenshots {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem !important;
    }
    
    h2 {
        font-size: 1.75rem !important;
    }
    
    .trust-features {
        grid-template-columns: 1fr !important;
    }
    
    .app-screenshots {
        grid-template-columns: 1fr !important;
    }
    
    .download-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }
}