/* 引入字体 */
@font-face {
    font-family: "QuanXinYiGuanHei";
    src: url("字体圈欣意冠黑体.ttf") format("truetype");
}
/* 全局样式 */
body {
    font-family: "QuanXinYiGuanHei", 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    position: relative;
}
/* 导航栏基础样式 */
.navbar {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, #FFF5EE 60%, #FFE4B5);
    backdrop-filter: blur(8px);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(255,165,0,0.1);
    border-bottom: 3px solid #FFA500;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between; /* 左右分开 */
    align-items: center;
}

/* 导航链接列表 */
.navbar-menu {
    display: flex;
    justify-content: center; /* 居中排布 */
    padding: 0;
    margin: 0;
    list-style: none;
    gap: 1.5rem; /* 标签之间的间距 */
}

/* 导航链接项 */
.navbar li {
    position: relative;
    transform-style: preserve-3d;
}

/* 导航链接 */
.navbar a {
    color: #5C3D2E;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.8rem 1.2rem;
    border-radius: 30px;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    display: inline-block;
    position: relative;
    background: rgba(255,255,255,0.3);
    text-decoration: none;
}

.navbar a::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 20px;
    height: 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

/* 导航链接悬停效果 */
.navbar a:hover {
    color: #FF6B6B;
    background: rgba(255,255,255,0.7);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 20px rgba(255,107,107,0.25);
}

.navbar a.active {
    background: #FFA500;
    color: white;
    animation: bounce 0.8s ease;
}

/* 原始导航栏 - 桌面版显示 */
.desktop-nav
{
    position
    : fixed;
    top: 0
;
    left: 0
;
    width: 100%
;
    background: linear-gradient(135deg, #FFF5EE 60%, #FFE4B5
    );
    backdrop-filter: blur(8px
    );
    z-index: 1000
;
    box-shadow: 0 4px 20px rgba(255,165,0,0.1
    );
    border-bottom: 3px solid #FFA500
;
    padding: 0.5rem 1rem
;
    display
    : flex;
    justify-content
    : center;
}

.desktop-menu
{
    display
    : flex;
    list-style
    : none;
    gap: 1.5rem
;
}

.desktop-menu li a
{
    color: #5C3D2E
;
    font-size: 1.1rem
;
    font-weight: 600
;
    padding: 0.8rem 1.2rem
;
    border-radius: 30px
;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1
    );
    text-decoration
    : none;
    background: rgba(255,255,255,0.3
    );
}

.desktop-menu li a:hover
{
    color: #FF6B6B
;
    background: rgba(255,255,255,0.7
    );
    transform: translateY(-2px) scale(1.05
    );
    box-shadow: 0 4px 20px rgba(255,107,107,0.25
    );
}

/* 移动端导航栏 */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #FFF5EE 60%, #FFE4B5);
    padding: 0.5rem 0.8rem;
    z-index: 1001;
    display: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    height: 45px;
}

/* 汉堡菜单按钮 */
.hamburger {
    width: 40px; /* 增大宽度 */
    height: 40px; /* 增大高度 */
    position: relative;
    cursor: pointer;
    margin-right: auto;
    background: none;
    border: none;
    padding: 10px; /* 增加内边距 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    z-index: 1002; /* 确保在最上层 */
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #5C3D2E;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 汉堡菜单打开状态 */
.hamburger.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* 移动端菜单 */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 40%; /* 调整为屏幕宽度的40% */
    max-width: 180px; /* 设置最大宽度 */
    background: linear-gradient(135deg, #FFF5EE 60%, #FFE4B5);
    padding: 0.5rem;
    z-index: 1000;
    visibility: hidden; /* 默认隐藏但占据空间 */
    opacity: 0; /* 默认透明 */
    box-shadow: 0 4px 20px rgba(255,165,0,0.1);
    border-radius: 0 0 10px 0; /* 右下角圆角 */
    transform: translateY(-10px); /* 初始位置稍微上移 */
    transition: visibility 0s linear 0.3s, opacity 0.3s ease, transform 0.3s ease; /* 添加过渡效果 */
}

.mobile-menu.active {
    visibility: visible; /* 显示 */
    opacity: 1; /* 完全不透明 */
    transform: translateY(0); /* 恢复位置 */
    transition-delay: 0s; /* 立即开始过渡 */
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    text-align: left; /* 左对齐 */
    margin: 0.25rem 0;
}

.mobile-menu a {
    color: #5C3D2E;
    font-size: 0.9rem; /* 再小一点字体 */
    font-weight: 600;
    padding: 0.5rem 0.6rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    background: rgba(255,255,255,0.3);
    white-space: nowrap; /* 防止文字换行 */
    overflow: hidden;
    text-overflow: ellipsis; /* 文本溢出显示省略号 */
}

.mobile-menu a:hover {
    color: #FF6B6B;
    background: rgba(255,255,255,0.7);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255,107,107,0.25);
}

/* 媒体查询 - 移动端显示 */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-nav {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        padding: 0.7rem 1rem; /* 增加内边距使按钮更突出 */
    }
    
    /* 增加页面上边距，避免内容被导航栏遮挡 */
    body {
        padding-top: 45px;
    }
    
    /* 确保汉堡菜单按钮在移动端更突出 */
    .hamburger {
        width: 44px; /* 更大的按钮 */
        height: 44px; /* 更大的按钮 */
        padding: 12px; /* 更大的内边距 */
    }
    
    /* 增加汉堡菜单线条的可见性 */
    .hamburger span {
        height: 3px; /* 更粗的线条 */
        background: #FF6B6B; /* 更鲜明的颜色 */
    }
}

/* Hero 区域 */
.hero {
    background-image: url("../images/背景图片.png"); /* 替换背景色为图片 */
    background-size: cover; /* 保证图片覆盖整个区域 */
    background-position: center; /* 图片居中显示 */
    background-repeat: no-repeat; /* 禁止重复平铺 */
    padding: 2rem 1rem; /* 减少默认 padding */
    margin: 0;
    height: auto; /* 高度自适应 */
    min-height: 400px; /* 设置最小高度 */
    display: flex;
    align-items: center; /* 垂直居中 */
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white; /* 大卡片背景为白色 */
    border-radius: 15px;
    padding: 2rem; /* 减少默认 padding */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column; /* 默认垂直排列 */
    align-items: center; /* 水平居中 */
    gap: 2rem; /* 减少默认间距 */
}

.hero-text {
    flex: 1;
    text-align: center; /* 文字居中 */
}

.hero-text h1 {
    color: #5C3D2E; /* 深棕色标题 */
    font-size: 2rem; /* 减小标题字体大小 */
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text p {
    color: #333;
    font-size: 1.1rem; /* 减小正文字体大小 */
    margin-bottom: 1rem;
}

.hero-description {
    color: #666;
    font-size: 1rem; /* 减小描述字体大小 */
    line-height: 1.6;
}

.hero-image {
    flex: 1;
    width: 100%; /* 图片宽度占满容器 */
}

.hero-image img {
    width: 100%;
    height: auto; /* 高度自适应 */
    max-height: 300px; /* 设置图片最大高度 */
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: block; /* 确保图片显示为块级元素 */
    vertical-align: bottom; /* 避免图片底部空白 */
}

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

/* 响应式设计 */
@media (min-width: 768px) {
    .hero {
        padding: 4rem 2rem; /* 恢复默认 padding */
        height: 79vh; /* 占视口高度的79% */
    }

    .hero-content {
        flex-direction: row; /* 水平排列 */
        padding: 3rem; /* 恢复默认 padding */
        gap: 4rem; /* 恢复默认间距 */
    }

    .hero-text {
        text-align: left; /* 文字左对齐 */
    }

    .hero-text h1 {
        font-size: 3rem; /* 恢复标题字体大小 */
    }

    .hero-text p {
        font-size: 1.3rem; /* 恢复正文字体大小 */
    }

    .hero-description {
        font-size: 1.1rem; /* 恢复描述字体大小 */
    }

    .hero-image img {
        max-height: 400px; /* 恢复图片最大高度 */
    }
}
/* 市场分析 */
/* 用户痛点文本设计 */
/* 统计项容器 */
.stat-item {
    display: flex;
    flex-direction: column;
    padding: 12px 18px;
    margin: 8px 0;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* 脉冲动画效果 */
.pulse-item {
    background: rgba(147, 197, 253, 0.15);
    border: 1px solid #93C5FD;
    animation: pulse 2s infinite;
}

/* 渐变数字字体 */
.gradient-text.percent {
    background: linear-gradient(135deg, #3B82F6 30%, #60A5FA 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.2em;
    font-weight: 700;
}
/* 霓虹警示效果 */
.danger.neon-alert {
    background: rgba(244, 63, 94, 0.12);
    border: 1px solid #F43F5E;
    box-shadow: 0 0 8px rgba(244, 63, 94, 0.3);
    animation: neonGlow 1.5s ease-in-out infinite;
}

/* 高对比度渐变文字 */
.neon-alert .gradient-text {
    background: linear-gradient(45deg, #F43F5E 20%, #FB7185 80%);
    -webkit-background-clip: text;
    background-clip: text;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes neonGlow {
    0% { box-shadow: 0 0 8px rgba(244,63,94,0.3); }
    50% { box-shadow: 0 0 12px rgba(244,63,94,0.5); }
    100% { box-shadow: 0 0 8px rgba(244,63,94,0.3); }
}
@keyframes slide {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(4px); }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* 政策条文立体化设计 */
.policy-list li {
    padding: 0.8rem 1.2rem;
    background: rgba(255,255,255,0.9);
    box-shadow: 0 2px 6px -1px rgba(0,0,0,0.05);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.policy-list li::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, #10b981 0%, #3b82f6 100%); /* 渐变标识条[6](@ref) */
}

.highlight {
    font-weight: 700;
    background: linear-gradient(45deg, #f59e0b 0%, #fcd34d 100%);
    -webkit-background-clip: text;
    color: transparent;
    border-radius: 4px;
    padding: 0.2em 0.5em;
}

/* 技术趋势数据展示 */
.tech-trend {
    font: 800 1.2rem/1 "Space Mono", monospace;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.8rem;
    border-radius: 6px;
    text-align: center;
    position: relative;
}
.tech-trend::before {
    content: "↑";
    font-size: 1.5em;
    vertical-align: middle;
    margin-right: 0.3em;
    color: #10b981;
    animation: pulseArrow 1s ease-in-out infinite; /* 动态箭头[7](@ref) */
}
/* 字体层次架构 */
h3 {
    font: 700 1.5rem/1.2 "Space Grotesk", sans-serif;
    color: #1e293b;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    position: relative;
}
h3::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    margin-top: 0.5rem;
}

/* 动态交互设计 */

@keyframes pulseArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.data-card:hover .card-icon {
    transform: rotate(15deg) scale(1.1);
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.3));
}
/* 基础容器 */
.market {
    padding: 4rem 2rem;
    background: white;
}

/* 标题系统 */
.section-header {
    margin-bottom: 3rem;
    text-align: center;
}
h2 {
    font-size: 2.8rem;
    color: #5C3D2E;
    position: relative;
    display: inline-block;
}
.gradient-bar {
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700, #FF69B4);
    margin: 1rem auto;
}
/* 栅格布局 */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 数据卡片 */
.data-card {
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}
.scale-hover:hover {
    transform: translateY(-5px) scale(1.02);
}
/* 可视化元素 */
.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.growth-tag {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: linear-gradient(45deg, #FFD700, #FF69B4);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
}


/* 响应式优化 */
@media (max-width: 768px) {
    .analysis-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .data-card {
        padding: 1.8rem;
    }
    h2 {
        font-size: 2.2rem;
    }
}
/* 用户故事 */
/* 用户画像 */
.user-profile {
    padding: 40px 20px;
    text-align: center;
    background-color: #FFF8F0;
}

.user-profile h1 {
    font-size: 2.5rem;
    color: #5C3D2E;
    margin-bottom: 30px;
}

/* 白底圆角长方形框 */
.profile-box {
    background-color: white;
    border-radius: 15px;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 用户画像内容 */
.profile-content {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 用户画像图片 */
.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%; /* 圆形图片 */
    object-fit: cover;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 环绕标签 */
.profile-tags {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none; /* 防止标签遮挡点击 */
}

/* 左侧标签 */
.tags-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px; /* 标签间距 */
    margin-left: 9px; /* 离图片更近 */
}

/* 右侧标签 */
.tags-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 20px; /* 标签间距 */
    margin-right: 9px; /* 离图片更近 */
}

/* 圆角标签（毛玻璃风格） */
.profile-tags .tag {
    background-color: rgba(255, 107, 107, 0.6); /* 半透明红色 */
    backdrop-filter: blur(20px); /* 毛玻璃效果 */
    color: white;
    padding: 12px 20px; /* 增加内边距 */
    border-radius: 25px; /* 更大圆角 */
    font-size: 1rem; /* 放大字体 */
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    opacity: 0.9;
    transition: all 0.3s ease;
    pointer-events: auto; /* 允许标签点击 */
}

/* 左侧标签位置 */
.tags-left .tag:nth-child(1) {
    margin-top: 10px; /* 上边距 */
    margin-left: 5px; /* 离图片更近 */
}

.tags-left .tag:nth-child(2) {
    margin-left: 10px; /* 离图片更近 */
}

.tags-left .tag:nth-child(3) {
    margin-bottom: 10px; /* 下边距 */
    margin-left: 5px; /* 离图片更近 */
}

/* 右侧标签位置 */
.tags-right .tag:nth-child(1) {
    margin-top: 10px; /* 上边距 */
    margin-right: 5px; /* 离图片更近 */
}

.tags-right .tag:nth-child(2) {
    margin-right: 10px; /* 离图片更近 */
}

.tags-right .tag:nth-child(3) {
    margin-bottom: 10px; /* 下边距 */
    margin-right: 5px; /* 离图片更近 */
}

/* 标签悬停效果 */
.profile-tags .tag:hover {
    transform: scale(1.1);
    opacity: 1;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 窄屏优化（手机竖屏） */
@media (max-width: 768px) {
    .profile-content {
        flex-direction: column; /* 改为垂直布局 */
        gap: 20px; /* 增加图片和标签间距 */
    }

    .profile-tags {
        position: static; /* 取消绝对定位 */
        display: flex;
        flex-wrap: wrap; /* 允许标签换行 */
        justify-content: center; /* 居中对齐 */
        gap: 10px; /* 标签间距 */
        margin-top: 20px; /* 增加标签与图片的间距 */
    }

    .tags-left,
    .tags-right {
        position: static; /* 取消绝对定位 */
        flex-direction: row; /* 改为水平布局 */
        align-items: center;
        gap: 10px; /* 标签间距 */
        margin: 0; /* 取消边距 */
    }

    .profile-tags .tag {
        flex: 1; /* 允许标签换行并平分宽度 */
        text-align: center; /* 文字居中对齐 */
        font-size: 0.8rem; /* 缩小字体 */
        padding: 10px 20px; /* 调整内边距 */
    }

    /* 进一步优化超窄屏 */
    @media (max-width: 480px) {
        .profile-tags .tag {
            flex: 1 1 100%; /* 标签独占一行 */
            font-size: 0.7rem; /* 进一步缩小字体 */
            padding: 8px 16px; /* 进一步缩小内边距 */
        }
    }
}
/* 用户故事 */
.story {
    padding: 40px 20px; /* 减少默认 padding */
    text-align: center;
    background-color: #FFF8F0;
}

.story h1 {
    font-size: 2rem; /* 减小标题字体大小 */
    color: #5C3D2E;
    margin-bottom: 20px; /* 减少默认间距 */
}

/* 故事容器 */
.story-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* 故事部分 */
.story-section {
    display: flex;
    flex-direction: column; /* 默认垂直排列 */
    align-items: center;
    gap: 20px; /* 增加间距 */
    margin-bottom: 40px; /* 减少默认间距 */
}

/* 反转排列 */
.story-section.reverse {
    flex-direction: column; /* 默认垂直排列 */
}

/* 故事图片 */
.story-image {
    width: 100%; /* 图片宽度占满容器 */
    max-width: 400px; /* 限制图片最大宽度 */
}

.story-image img {
    width: 100%; /* 图片宽度占满容器 */
    height: auto; /* 高度自适应 */
    border-radius: 10px; /* 方形照片 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 故事文字 */
.story-text {
    width: 100%; /* 文字宽度占满容器 */
    max-width: 400px; /* 限制文字最大宽度 */
    text-align: center;
}

.story-text h2 {
    font-size: 1.5rem; /* 减小二级标题字体大小 */
    color: #5C3D2E;
    margin-bottom: 1rem;
}

.story-text p {
    font-size: 1rem; /* 减小正文字体大小 */
    color: #333;
    line-height: 1.6;
}

/* 响应式设计：大屏幕布局保持不变 */
@media (min-width: 768px) {
    .story {
        padding: 60px 20px; /* 恢复默认 padding */
    }

    .story h1 {
        font-size: 2.5rem; /* 恢复标题字体大小 */
        margin-bottom: 40px; /* 恢复默认间距 */
    }

    .story-section {
        flex-direction: row; /* 水平排列 */
        gap: 30px; /* 恢复默认间距 */
        margin-bottom: 60px; /* 恢复默认间距 */
    }

    .story-section.reverse {
        flex-direction: row-reverse; /* 水平反向排列 */
    }

    .story-text {
        text-align: left; /* 文字左对齐 */
    }

    .story-text h2 {
        font-size: 2rem; /* 恢复二级标题字体大小 */
    }

    .story-text p {
        font-size: 1.1rem; /* 恢复正文字体大小 */
    }
}

/* 响应式布局：窄屏设备 */
@media (max-width: 768px) {
    .story-section {
        flex-direction: column;
        text-align: center;
    }

    .story-text {
        text-align: center;
    }

    /* 隐藏图片 */
    .story-image {
        display: none;
    }
}

/* 故事图片 */
.story-image img {
    max-width: 250px; /* 增大图片尺寸 */
    border-radius: 10px;
    border: 3px solid #FFF8F0; /* 添加边框 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* 添加阴影 */
}

/* 故事文字 */
.story-text {
    flex: 1;
    padding: 20px;
    text-align: left;
}

.story-text h2 {
    font-size: 2rem; /* 增大标题字体 */
    color: #DAA520; /* 使用更鲜明的颜色 */
    margin-bottom: 20px;
}

.story-text p {
    font-size: 1.1rem;
    line-height: 1.8; /* 增加行高 */
    color: #333;
    position: relative;
}

.story-text p::before {
    content: "“";
    font-size: 3rem;
    color: #4CAF50;
    position: absolute;
    top: -20px;
    left: -30px;
}

.story-text p::after {
    content: "”";
    font-size: 3rem;
    color: #4CAF50;
    position: absolute;
    bottom: -20px;
    right: -30px;
}
/* 产品概述 */
/* 产品概述模块 */
.overview {
    padding: 4rem 2rem;
    background-color: white; /* 背景为白色 */
    text-align: center;
}

.overview h2 {
    font-size: 3rem;
    color: #5C3D2E; /* 深棕色标题 */
    margin-bottom: 40px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.overview h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 愿景模块 */
.vision {
    background-image: url('../images/d4.png'); /* 背景图片 */
    background-size: cover;
    background-position: center;
    padding: 2rem; /* 减少内边距 */
    margin-bottom: 2rem;
    border-radius: 15px;
    position: relative;
}

.vision-overlay {
    background-color: rgba(255, 255, 255, 0.8); /* 半透明遮罩 */
    padding: 2rem; /* 减少内边距 */
    border-radius: 15px;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.vision h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem; /* 减小字体大小 */
    font-weight: 800;
    color: #5C3D2E;
    margin-bottom: 1rem;
}

.vision-description,
.mission-description {
    font-family: 'Roboto', sans-serif;
    font-size: 1.2rem; /* 减小字体大小 */
    color: #555;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 1rem;
}

.vision .icon {
    font-size: 2rem; /* 减小图标大小 */
    color: #FF69B4;
    margin-top: 1rem;
}

/* 用户痛点模块 */
.pain-points {
    padding: 2rem; /* 减少内边距 */
    background-color: #FFFDD0;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.pain-points h2 {
    font-size: 2rem; /* 减小字体大小 */
    color: #5C3D2E;
    margin-bottom: 1.5rem;
}

.pain-points-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1.5rem; /* 增加卡片间距 */
}

.pain-point-card {
    flex: 1 1 calc(25% - 1.5rem); /* 调整卡片宽度 */
    background-color: white;
    padding: 1.5rem; /* 减少内边距 */
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pain-point-card .icon {
    font-size: 2rem; /* 减小图标大小 */
    color: #FF69B4;
    margin-bottom: 1rem;
}

.pain-point-card p {
    font-size: 1rem; /* 减小字体大小 */
    color: #555;
    line-height: 1.6;
}

/* 核心价值主张模块 */
.core-values {
    padding: 2rem; /* 减少内边距 */
    background-color: #FFFDD0;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.core-values h2 {
    font-size: 2rem; /* 减小字体大小 */
    color: #5C3D2E;
    margin-bottom: 1.5rem;
}

.core-values-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1.5rem; /* 增加卡片间距 */
}

.core-value-card {
    flex: 1 1 calc(25% - 1.5rem); /* 调整卡片宽度 */
    background-color: white;
    padding: 1.5rem; /* 减少内边距 */
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.core-value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.core-value-card .icon {
    font-size: 2rem; /* 减小图标大小 */
    color: #FF69B4;
    margin-bottom: 1rem;
}

.core-value-card h3 {
    font-size: 1.3rem; /* 减小字体大小 */
    color: #1565c0;
    margin-bottom: 1rem;
}

.core-value-card p {
    font-size: 1rem; /* 减小字体大小 */
    color: #555;
    line-height: 1.6;
}

/* 产品亮点模块 */
.highlights {
    padding: 2rem; /* 减少内边距 */
    background-color: #FFF8E7; /* 奶黄色背景 */
    text-align: center;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: fadeIn 2s ease-in-out; /* 页面加载时的淡入效果 */
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.highlights h2 {
    font-size: 2rem; /* 减小字体大小 */
    color: #6D4C41; /* 深棕色标题 */
    margin-bottom: 1.5rem;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.highlights-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1.5rem; /* 增加卡片间距 */
}

.highlight-card {
    flex: 1 1 calc(20% - 1.5rem); /* 调整卡片宽度 */
    background-color: #FFFCF5; /* 浅奶黄色卡片背景 */
    padding: 1.5rem; /* 减少内边距 */
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.highlight-card:hover {
    transform: translateY(-5px) scale(1.05); /* 增加缩放效果 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    animation: none; /* 悬浮时停止浮动动画 */
}

.highlight-card .icon {
    font-size: 2rem; /* 减小图标大小 */
    color: #FF8A65; /* 暖橙色图标 */
    margin-bottom: 1rem;
    transition: color 0.3s ease, transform 0.3s ease; /* 图标颜色和缩放效果 */
}

.highlight-card:hover .icon {
    color: #E64A19; /* 悬浮时图标颜色变深 */
    transform: scale(1.2); /* 悬浮时图标放大 */
}

.highlight-card h3 {
    font-size: 1.3rem; /* 减小字体大小 */
    color: #5D4037; /* 深棕色标题 */
    margin-bottom: 1rem;
    animation: colorChange 2s infinite alternate; /* 标题颜色变化效果 */
}

@keyframes colorChange {
    from {
        color: #5D4037; /* 深棕色 */
    }
    to {
        color: #FF8A65; /* 暖橙色 */
    }
}

.highlight-card p {
    font-size: 1rem; /* 减小字体大小 */
    color: #6D4C41; /* 深棕色文本 */
    line-height: 1.6;
    animation: fadeInText 1.5s ease-in-out; /* 文本的淡入效果 */
}

@keyframes fadeInText {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* 响应式布局 */
@media (max-width: 900px) {
    .pain-point-card,
    .core-value-card,
    .highlight-card {
        flex: 1 1 calc(50% - 1.5rem); /* 中等屏幕下两列布局 */
    }
}

@media (max-width: 480px) {
    .pain-point-card,
    .core-value-card,
    .highlight-card {
        flex: 1 1 100%; /* 小屏幕下单列布局 */
    }
}
/* 功能需求 */
/* 功能需求 */
.features {
    background: white; /* 渐变色背景 */
    padding: 100px 20px;
    text-align: center;
    overflow: hidden; /* 防止动画溢出 */
}
.features h1 {
    font-size: 3rem;
    color: #5C3D2E; /* 深棕色标题 */
    margin-bottom: 40px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.features h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700, #FF69B4); /* 黄粉渐变下划线 */
    margin: 15px auto 0;
    border-radius: 2px;
}
.characters-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between; /* 三张卡片横向排列 */
    gap: 1.5rem; /* 卡片间距 */
}

/* 卡片设计 */
.character-card {
    width: 300px;
    height: 400px;
    perspective: 1000px; /* 3D透视效果 */
    position: relative;
    cursor: pointer;
}

.card-front,
.card-back {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    backface-visibility: hidden; /* 隐藏背面 */
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.card-front {
    transform: rotateY(0deg);
    background-size: cover; /* 图片填充卡片 */
    background-position: center; /* 图片居中 */
}

/* 为每张卡片设置不同的背景图片 */
.character-card:nth-child(1) .card-front {
    background-image: url('../images/d1.png');
}

.character-card:nth-child(2) .card-front {
    background-image: url('../images/d2.png');
}

.character-card:nth-child(3) .card-front {
    background-image: url('../images/d3.png');
}

/* 半透明遮罩 */
.card-front::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    background-color: rgba(255, 255, 255, 0.7); /* 半透明遮罩 */
    border-radius: 15px;
}

.card-back {
    transform: rotateY(180deg);
    flex-direction: column;
    justify-content: flex-start;
    overflow-y: auto;
    background-color: white;
    padding: 2rem;
}

.character-card:hover .card-front {
    transform: rotateY(180deg);
}

.character-card:hover .card-back {
    transform: rotateY(360deg);
}

/* 卡片标题 */
.card-front h2 {
    color: black;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    position: relative; /* 确保标题在遮罩上层 */
    z-index: 1;
}

/* 功能项设计 */
.feature-item {
    margin-bottom: 1.5rem;
    text-align: left;
}

.feature-title {
    color: #1565c0;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: #555;
    font-size: 1rem;
    line-height: 1.6;
}

/* 响应式布局 */
@media (max-width: 900px) {
    .characters-container {
        flex-direction: column;
        align-items: center;
    }

    .character-card {
        width: 100%;
        height: auto;
        perspective: none;
    }

    .card-front,
    .card-back {
        position: relative;
        transform: none;
        backface-visibility: visible;
        height: auto;
    }

    .character-card:hover .card-front,
    .character-card:hover .card-back {
        transform: none;
    }
}


/* 联系我们 */
.contact {
    padding: 60px 20px;
    text-align: center;
    background-color: white;
}

.contact h2 {
    font-size: 2.5rem;
    color: #4CAF50;
}

.contact p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 20px;
}

.contact ul {
    list-style: none;
    padding: 0;
}

.contact ul li {
    margin-bottom: 10px;
}

/* 页脚 */
footer {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 20px;
}

/* 团队分工模块样式更新 */
.team-section {
    padding: 80px 20px;
    background:white;
    margin-bottom: 40px;
    text-align: center;
}

.team-section h1 {
    font-size: 3rem;
    color: #5C3D2E;
    margin: 0 auto 50px;
    font-weight: 700;
    position: relative;
    display: inline-block;
    width: auto;
}

.team-section h1::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FFD700, #FF69B4);
    margin: 15px auto 0;
    border-radius: 2px;
}

.team-container {
    display: flex;
    justify-content: center;
    gap: 120px;
    flex-wrap: wrap;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
}

.team-card {
    width: 340px; /* 稍微放大卡片宽度 */
    height: 520px; /* 稍微放大卡片高度 */
    perspective: 1000px;
    margin: 20px 0;
}

.team-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.team-card:hover .team-card-inner {
    transform: rotateY(180deg);
}

.team-card-front,
.team-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.team-card-front {
    background: white;
    color: #333;
}

.team-card-back {
    background: white;
    color: #333;
    transform: rotateY(180deg);
    padding: 30px;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.team-card-back::-webkit-scrollbar {
    display: none;
}

/* 放大贡献占比板块 */
.team-contribution {
    font-size: 1.3em; /* 放大字体 */
    color: #e74c3c;
    font-weight: bold;
    margin: 25px 0; /* 增加上下边距 */
    padding: 12px 25px; /* 放大内边距 */
    background: rgba(231, 76, 60, 0.1);
    border-radius: 30px; /* 更圆的边框 */
    border: 2px solid rgba(231, 76, 60, 0.3); /* 添加边框 */
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.2); /* 添加阴影 */
    transform: scale(1.05); /* 轻微放大效果 */
    transition: all 0.3s ease; /* 添加过渡动画 */
}

/* 悬停时进一步突出 */
.team-card:hover .team-contribution {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(231, 76, 60, 0.3);
}

.team-avatar {
    font-size: 4.5em;
    margin-bottom: 25px;
}

.team-card h3 {
    font-size: 2em;
    margin-bottom: 15px;
    color: #2c3e50;
}

.team-role {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 20px;
}

.work-section {
    margin-bottom: 30px;
    text-align: left;
    width: 100%;
}

.work-section h5 {
    color: #2c3e50;
    font-size: 1.3em;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(44, 62, 80, 0.2);
}

.team-card-back ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.team-card-back li {
    margin-bottom: 15px;
    padding-left: 0;
    position: relative;
    font-size: 1em;
    line-height: 1.6;
    color: #333;
    text-align: left;
}

.team-card-back .highlight {
    color: #e74c3c;
    font-weight: 600;
    display: inline-block;
    margin-right: 5px;
}

@media (max-width: 1600px) {
    .team-container {
        gap: 80px;
    }
}

@media (max-width: 1200px) {
    .team-container {
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .team-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .team-card {
        width: 300px;
        height: 450px;
    }
    
    .team-card-back {
        padding: 20px;
    }
    
    .work-section h5 {
        font-size: 1.2em;
    }
    
    .team-card-back li {
        font-size: 0.95em;
    }
}