* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}
body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.7;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
/* 头部样式 - 强化核心卖点 */
header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 30px 0;
    text-align: center;
}
header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 700;
}
/* 核心卖点强调 */
.core-slogan {
    font-size: 1.2rem;
    background-color: rgba(255,255,255,0.2);
    padding: 8px 20px;
    border-radius: 30px;
    display: inline-block;
    margin-top: 10px;
}
/* 导航样式 */
nav {
    background-color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}
nav a {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    padding: 5px 10px;
    border-radius: 5px;
}
nav a:hover {
    color: #2a5298;
    background-color: #f0f5ff;
}

/* 客服信息样式 */
.contact-info {
    background-color: #f0f5ff;
    padding: 15px 0;
    border-bottom: 1px solid #e0e7ff;
}

.contact-info p {
    margin: 0;
    text-align: center;
    color: #1e3c72;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.contact-info p::before {
    content: '\f095';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: #2a5298;
}

/* 主内容样式 */
main {
    padding: 60px 0;
}
.section {
    background-color: white;
    padding: 45px;
    margin-bottom: 35px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
}
.section h2 {
    color: #1e3c72;
    font-size: 2rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #2a5298;
    position: relative;
}
.section h2::after {
    content: '';
    width: 80px;
    height: 3px;
    background-color: #4a89dc;
    position: absolute;
    bottom: -3px;
    left: 0;
}
/* 核心功能列表 - 突出手机采集 */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.feature-item {
    padding: 25px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.feature-item::before {
    content: '';
    width: 4px;
    height: 100%;
    background-color: #2a5298;
    position: absolute;
    left: 0;
    top: 0;
    transition: width 0.3s;
}
.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.feature-item:hover::before {
    width: 8px;
}
.feature-item h3 {
    color: #2a5298;
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.feature-item h3 i {
    font-size: 1.5rem;
}
/* 核心卖点强调模块 */
.key-feature {
    background: linear-gradient(135deg, #f0f5ff 0%, #e6f0ff 100%);
    padding: 30px;
    border-radius: 10px;
    margin: 40px 0;
    text-align: center;
}
.key-feature h3 {
    color: #1e3c72;
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.key-feature p {
    font-size: 1.1rem;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
}
/* 截图展示 */
.screenshot-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 30px;
}
.screenshot-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.screenshot-item:hover {
    transform: scale(1.02);
}
.screenshot-item img {
    width: 100%;
    display: block;
}
.screenshot-item p {
    padding: 15px;
    text-align: center;
    background-color: #f8f9fa;
    font-weight: 500;
    color: #1e3c72;
}
/* 下载区域 - 强化视觉 */
.download-section {
    text-align: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border-radius: 10px;
    padding: 50px 20px;
}
.download-section h2 {
    color: white;
    border-bottom: 3px solid rgba(255,255,255,0.3);
}
.download-section h2::after {
    background-color: white;
}
.download-btn {
    display: inline-block;
    background-color: white;
    color: #2a5298;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.3rem;
    margin-top: 25px;
    transition: all 0.3s;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.download-btn:hover {
    background-color: #f0f5ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
/* 底部样式 */
footer {
    background-color: #1e3c72;
    color: white;
    text-align: center;
    padding: 25px 0;
    margin-top: 40px;
}
/* 响应式适配 */
@media (max-width: 768px) {
    /* 导航优化 */
    nav ul {
        flex-direction: row;
        text-align: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    nav a {
        padding: 8px 12px; /* 增大点击区域 */
        font-size: 0.9rem;
    }
    
    /* 头部优化 */
    header h1 {
        font-size: 1.8rem;
    }
    .core-slogan {
        font-size: 1rem;
        padding: 6px 15px;
        word-break: keep-all;
    }
    
    /* 内容区域优化 */
    .section {
        padding: 25px;
    }
    .section h2 {
        font-size: 1.6rem;
    }
    
    /* 列表优化 */
    .feature-list {
        grid-template-columns: 1fr;
    }
    .feature-item {
        padding: 20px;
    }
    
    /* 图片优化 */
    .screenshot-container {
        grid-template-columns: 1fr;
    }
    .screenshot-item img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    
    /* 按钮优化 */
    .download-btn {
        padding: 18px 35px; /* 增大点击区域 */
        font-size: 1.1rem;
        display: block;
        margin: 25px auto 0;
        max-width: 90%;
    }
    
    /* 客服信息优化 */
    .contact-info {
        padding: 12px 0;
    }
    
    .contact-info p {
        font-size: 1rem;
        flex-wrap: wrap;
        gap: 5px;
    }

}