/* 全局样式 */
:root {
    --dusty-pink: #D8A6B1;
    --hazy-blue: #8BA4B3;
    --beige: #EFD6DA;
    --deep-gray: #6C757D;
    --text-primary: #4A4A4A;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background: var(--beige);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding-top: 80px;
}

    :root {
        --dusty-pink: #e8a0bf;
        --white: #E0E6F8;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    /* 导航栏基础样式 */
    .main-nav {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow-sm);
        z-index: 1000;
        backdrop-filter: blur(8px);
    }

    .nav-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 1.5rem 2rem;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 1rem;
        position: absolute;
        left: 2rem;
        z-index: 1001;
    }

    .logo {
        height: 40px;
        transition: transform 0.2s ease;
    }

    .logo:hover {
        transform: scale(1.05);
    }

    .brand-text {
        font-size: 1.2rem;
        font-weight: 600;
        color: var(--hazy-blue);
    }

    /* 桌面导航菜单 */
    .nav-menu {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-menu a {
        color: var(--hazy-blue);
        text-decoration: none;
        font-size: 1.1rem;
        font-weight: 500;
        padding: 0.5rem 1.2rem;
        border-radius: 20px;
        transition: all 0.3s ease;
        position: relative;
    }

    .nav-menu a::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: var(--dusty-pink);
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }

    .nav-menu a:hover::after {
        width: 100%;
    }

    .nav-menu a:hover {
        color: var(--dusty-pink);
    }

    /* 汉堡菜单按钮 */
    .hamburger {
        display: none;
        background: none;
        border: none;
        padding: 10px;
        cursor: pointer;
        flex-direction: column;
        gap: 5px;
        position: absolute;
        top: 50%;
        right: 1.5rem;
        transform: translateY(-50%);
        z-index: 1001;
        transition: transform 0.3s ease;
    }

    .hamburger:hover {
        transform: translateY(-50%) scale(1.1);
    }

    .hamburger .bar {
        width: 24px;
        height: 2px;
        background: var(--hazy-blue);
        transition: all 0.3s ease;
        transform-origin: center;
    }

    /* 移动端菜单样式 */
    @media (max-width: 768px) {
        .nav-container {
            padding: 1.2rem 1.5rem;
        }

        .hamburger {
            display: flex;
        }

        /* 汉堡菜单弹出卡片 */
        .nav-menu {
            position: fixed;
            top: 80px;
            right: 1rem;
            width: auto;
            min-width: 140px;
            max-width: 200px;
            background: var(--white);
            flex-direction: column;
            align-items: stretch;
            padding: 0.4rem 0;
            box-shadow: var(--shadow-md);
            border-radius: 8px;
            transition: all 0.25s cubic-bezier(0.33, 1, 0.68, 1);
            transform: translateX(120%);
            opacity: 0;
            z-index: 1000;
        }

        .nav-menu.active {
            transform: translateX(0);
            opacity: 1;
        }

        .nav-menu li {
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            display: block;
            padding: 0.55rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: #555;
            text-align: left;
            border-radius: 0;
            margin: 0 0.3rem;
            transition: all 0.2s ease;
        }

        .nav-menu a:hover {
            background: rgba(232, 160, 191, 0.08);
            color: var(--dusty-pink);
            padding-left: 1.1rem;
        }

        .nav-menu a::after {
            display: none;
        }

        /* 汉堡按钮动画 */
        .hamburger.active .bar:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
            background: var(--dusty-pink);
        }

        .hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active .bar:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
            background: var(--dusty-pink);
        }
    }

    /* 产品概念 */
#concept .card {
    max-width: 1200px;
    margin: 2rem auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); /* 浅阴影 */
    padding: 2rem;
}

.section-header {
    margin-bottom: 2rem;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    color: #333; /* 深灰色标题 */
    margin: 0 0 0.5rem;
}

.title-line {
    width: 60px;
    height: 3px;
    background: #007BFF; /* 蓝色分割线 */
    margin: 0 auto;
}

.card-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* 网格布局 */
    gap: 1.5rem; /* 卡片间距 */
}

.info-item {
    background: #f9f9f9; /* 浅灰色背景 */
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center; /* 垂直居中 */
}

.info-item:hover {
    transform: translateY(-5px); /* 悬停上浮效果 */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1); /* 悬停阴影加深 */
}

.info-content {
    display: flex;
    align-items: center; /* 垂直居中 */
    width: 100%;
}

.info-text {
    flex: 1; /* 文字部分占据剩余空间 */
}

.info-image {
    width: 150px; /* 图片宽度 */
    height: 150px; /* 图片高度 */
    border-radius: 8px; /* 图片圆角 */
    object-fit: cover; /* 保持图片比例不变形 */
    margin-left: 1.5rem; /* 图片与文字间距 */
}

.info-label {
    display: block;
    color: #333; /* 蓝色标题 */
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.info-value {
    font-size: 1rem;
    line-height: 1.6;
    color: #555; /* 中灰色正文 */
    margin-bottom: 1rem;
}

.feature-list,
.advantage-list,
.scenario-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li,
.advantage-list li,
.scenario-list li {
    position: relative;
    padding-left: 2rem; /* 为图标留出空间 */
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: #555; /* 中灰色正文 */
    line-height: 1.6;
}

.feature-list li::before,
.advantage-list li::before,
.scenario-list li::before {
    content: "•";
    color: #333; /* 蓝色符号 */
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.2rem;
}

.icon {
    font-size: 1.2rem;
    margin-right: 0.5rem;
    color: #333; /* 蓝色图标 */
}
.highlight-text {
    font-weight: bold; /* 加粗 */
    color: #333; /* 蓝色 */
}
/* 响应式设计 */
@media (max-width: 768px) {
    .card-content {
        grid-template-columns: 1fr; /* 窄屏下改为单列 */
    }

    .info-item {
        padding: 1rem; /* 窄屏下减少内边距 */
    }

    .info-image {
        width: 120px; /* 窄屏下减小图片宽度 */
        height: 120px; /* 窄屏下减小图片高度 */
    }

    .section-title {
        font-size: 1.8rem; /* 窄屏下减小标题字体 */
    }

    .info-label {
        font-size: 1.1rem; /* 窄屏下减小字体 */
    }

    .info-value {
        font-size: 0.95rem; /* 窄屏下减小字体 */
    }
}
    /* 用户画像 */
    #persona .card {
        max-width: 1200px;
        margin: 2rem auto;
        background: white;
        border-radius: 16px;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        padding: 2rem;
    }

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

    .section-title {
        text-align: center;
        font-size: 1.8rem; /* 缩小标题字体大小 */
        color: #8BA4B3; /* 使用雾霾蓝 */
        margin: 1.5rem 0;
        position: relative;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif; /* 使用微软雅黑或类似字体 */
    }

    .title-line {
        width: 60px;
        height: 3px;
        background: #D8A6B1; /* 使用灰粉色 */
        margin: 0 auto 2rem;
    }

    .profile-container {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .avatar-section {
        display: flex;
        align-items: center;
        gap: 2rem;
        padding: 1.5rem;
        background: rgba(139, 164, 179, 0.05); /* 浅蓝色背景 */
        border-radius: 12px;
    }

    .profile-img {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        object-fit: cover;
        border: 4px solid #D8A6B1; /* 灰粉色边框 */
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加阴影 */
    }

    .tag-group {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .tag-btn {
        padding: 0.6rem 1.2rem;
        background: #8BA4B3; /* 雾霾蓝 */
        color: white;
        border: none;
        border-radius: 20px;
        cursor: pointer;
        transition: all 0.3s;
        font-size: 0.8rem; /* 缩小标签按钮字体大小 */
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif; /* 使用微软雅黑或类似字体 */
    }

    .tag-btn:hover {
        background: #D8A6B1; /* 灰粉色 */
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .scenario-section {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        padding: 1.5rem;
        background: rgba(139, 164, 179, 0.05); /* 浅蓝色背景 */
        border-radius: 12px;
    }

    .usage-scenario {
        flex: 1;
    }

    .usage-scenario h3 {
        font-size: 1.6rem; /* 缩小小标题字体大小 */
        color: #8BA4B3; /* 雾霾蓝 */
        margin-bottom: 1.5rem;
        font-weight: 600;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif; /* 使用微软雅黑或类似字体 */
    }

    .scenario-steps {
        list-style: none;
        padding-left: 0;
    }

    .scenario-steps li {
        font-size: 0.9rem; /* 缩小列表项字体大小 */
        color: #555;
        margin-bottom: 1rem;
        line-height: 1.6;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif; /* 使用微软雅黑或类似字体 */
        position: relative;
    }

    .scenario-images {
        display: grid;
        grid-template-columns: repeat(2, 1fr); /* 两列布局 */
        gap: 1rem;
    }

    .scenario-images img {
        width: 70%;
        height: 70%;
        object-fit: cover;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加阴影 */
        aspect-ratio: 1 / 1; /* 确保图片为 1:1 比例 */
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .avatar-section {
            flex-direction: column;
            text-align: center;
        }

        .scenario-images {
            grid-template-columns: 1fr; /* 窄屏下改为单列布局 */
        }
    }

    /* 核心功能 */
#features .card {
    max-width: 1200px;
    margin: 2rem auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 添加卡片悬停动画 */
}

#features .card:hover {
    transform: translateY(-5px); /* 悬停时卡片上浮 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); /* 悬停时阴影加深 */
}

.feature-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: #E2EAF4; /* 表格背景色 */
    border-radius: 8px;
    overflow: hidden;
}

.feature-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #BBDEFB; /* 单元格底部边框 */
    color: #212121; /* 文字颜色 */
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif; /* 使用微软雅黑或类似字体 */
    transition: background-color 0.3s ease; /* 添加单元格悬停动画 */
}

.feature-table tr:last-child td {
    border-bottom: none; /* 最后一行无底部边框 */
}

.feature-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.5); /* 悬停时单元格背景变浅 */
}

.func-name {
    font-weight: 600; /* 加粗字体 */
    width: 150px; /* 功能名称单元格宽度 */
    background: #E1F5FE; /* 功能名称单元格背景色 */
    border-right: 1px solid #BBDEFB; /* 功能名称单元格右侧边框 */
    transition: background-color 0.3s ease; /* 添加悬停动画 */
}

.func-name:hover {
    background-color: #B3E5FC; /* 悬停时背景色变深 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .feature-table {
        display: block;
        overflow-x: auto; /* 窄屏下表格可滚动 */
    }

    .feature-table td {
        white-space: nowrap; /* 窄屏下单元格内容不换行 */
    }
}

/* 信息架构 */
#architecture .card {
    max-width: 1200px;
    margin: 2rem auto;
    background: white;
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    color: #333;
}

.title-line {
    width: 60px;
    height: 4px;
    background-color: #8BA4B3;
    margin: 0.5rem auto;
}

.architecture-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 消息界面 */
.architecture-item {
    background: #F8F9FA;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    text-align: left; /* 文字左对齐 */
}

.architecture-item h3 {
    font-size: 1.2rem; /* 缩小小标题字体 */
    color: #D8A6B1;
    margin-bottom: 1rem;
}

.architecture-item ul {
    list-style-type: none;
    padding: 0;
}

.architecture-item ul li {
    font-size: 1rem;
    color: #555;
    margin-bottom: 0.75rem;
    line-height: 1.6; /* 增加行高 */
}

.architecture-item ul li strong {
    color: #333;
    display: block; /* 加粗字体分行 */
    margin-bottom: 0.5rem;
}

/* 菜单栏 */
.menu-section {
    margin-top: 2rem;
    text-align: center; /* 菜单栏标题居中 */
}

.menu-section h3 {
    font-size: 1.2rem; /* 缩小小标题字体 */
    color: #D8A6B1;
    margin-bottom: 1rem;
    position: relative;
}

.menu-section h3::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: #8BA4B3;
    position: absolute;
    bottom: -0.5rem;
    left: 0;
}

.menu-cards {
    display: flex;
    gap: 1.5rem; /* 卡片之间的空隙 */
    flex-wrap: wrap;
    justify-content: center; /* 卡片居中 */
}

/* 卡片样式 */
.menu-card {
    background: #F8F9FA;
    padding: 1rem; /* 缩小卡片内边距 */
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    flex: 1 1 calc(33.333% - 1.5rem); /* 三个卡片并列排布 */
    min-width: 200px; /* 缩小卡片宽度 */
    max-width: 250px; /* 缩小卡片宽度 */
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 交互效果 */
    text-align: left; /* 文字左对齐 */
}

.menu-card:hover {
    transform: translateY(-5px); /* 悬停效果 */
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.menu-card h4 {
    font-size: 1.1rem; /* 缩小卡片标题字体 */
    margin-bottom: 1rem;
    color: #D8A6B1;
}

.menu-card ul {
    list-style-type: none;
    padding: 0;
}

.menu-card ul li {
    font-size: 0.9rem; /* 缩小卡片正文字体 */
    color: #555;
    margin-bottom: 0.75rem;
    line-height: 1.6; /* 增加行高 */
}

.menu-card ul li strong {
    color: #333;
    display: block; /* 加粗字体分行 */
    margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-cards {
        flex-direction: column;
    }

    .menu-card {
        flex: 1 1 100%;
        max-width: 100%; /* 小屏幕上卡片占满宽度 */
    }
}
/* 商业模式 */
#business .card {
    max-width: 1200px;
    margin: 4rem auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
}

#business .section-header {
    text-align: center;
    margin-bottom: 2rem;
}

#business .section-title {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
}

#business .title-line {
    width: 50px;
    height: 3px;
    background-color: #007BFF;
    margin: 10px auto;
}

#business .model-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
}

#business .model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 两列布局 */
    gap: 20px;
    flex: 1;
}

#business .model-card {
    text-align: left;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* 卡片高度自适应 */
}

#business .model-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 卡片背景色 */
#business .card1 {
    background-color: #f0f8ff; /* 浅蓝色 */
}

#business .card2 {
    background-color: #fff0f5; /* 浅粉色 */
}

#business .card3 {
    background-color: #f0fff0; /* 浅绿色 */
}

#business .card4 {
    background-color: #fff8dc; /* 浅黄色 */
}

#business .model-card h2 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

#business .model-card ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#business .model-card li {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 8px;
    line-height: 1.6;
}

/* 图片部分样式 */
#business .model-image {
    flex: 0 0 30%;
    max-width: 20%;
    display: flex;
    align-items: stretch; /* 图片高度与两个卡片一致 */
}

#business .model-image img {
    width: 100%;
    height: 100%; /* 图片高度与两个卡片一致 */
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    object-fit: cover; /* 保持图片比例 */
}

/* 响应式设计 */
@media (max-width: 1024px) {
    #business .model-grid {
        grid-template-columns: 1fr; /* 单列布局 */
    }

    #business .model-container {
        flex-direction: column;
    }

    #business .model-image {
        flex: 1;
        max-width: 80%;
        margin-top: 20px;
        height: auto; /* 图片高度自适应 */
    }
}

@media (max-width: 768px) {
    #business .model-container {
        flex-direction: column;
    }

    #business .model-image {
        order: -1; /* 图片移动到顶部 */
    }
}

    /* 团队分工 */
    #team .card {
        max-width: 1200px;
        margin: 2rem auto;
        background: white;
        border-radius: 16px;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        padding: 2rem;
    }

    .team-grid {
        display: grid;
        grid-template-columns: repeat(3, 270px); /* 每张卡片宽度为 320px */
        gap: 60px; /* 增加卡片间距 */
        justify-content: center; /* 三列居中 */
    }

    .member-card {
        text-align: center;
        padding: 25px; /* 增加内边距 */
        background-color: #fff;
        border-radius: 12px; /* 增加圆角 */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); /* 优化阴影 */
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border: 1px solid rgba(0, 0, 0, 0.05); /* 添加细边框 */
    }

    .member-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); /* 悬停时加深阴影 */
    }

    .member-photo {
        width: 100px; /* 增大头像尺寸 */
        height: 100px;
        border-radius: 50%;
        margin-bottom: 20px; /* 增加头像与标题间距 */
        object-fit: cover;
        border: 4px solid #FFF8F0; /* 添加头像边框 */
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加头像阴影 */
    }

    .member-card h3 {
        font-size: 1.3rem; /* 增大标题字体 */
        color: #333;
        margin-bottom: 15px; /* 增加标题与职位间距 */
        font-weight: 600; /* 加粗标题 */
    }

    .responsibility {
        list-style-type: none;
        padding: 0;
        margin: 0;
    }

    .responsibility li {
        font-size: 0.8rem; /* 增大职责字体 */
        color: #555; /* 调整文字颜色 */
        margin-bottom: 8px; /* 增加职责列表间距 */
        line-height: 1.6; /* 增加行高 */
    }

    /* 响应式设计 */
    @media (max-width: 1024px) {
        .team-grid {
            grid-template-columns: repeat(2, 320px); /* 中等屏幕下改为两列 */
            gap: 30px; /* 减少卡片间距 */
        }
    }

    @media (max-width: 768px) {
        .team-grid {
            grid-template-columns: 320px; /* 窄屏下改为单列 */
            gap: 20px; /* 减少卡片间距 */
        }
    }