/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.6;
    padding-top: 80px; /* 给固定导航栏留空间 */
}

/* 核心：圆角悬浮模糊导航栏 */
.nav-container {
    position: fixed; /* 固定在顶部 */
    top: 10px;
    left: 10px;
    right: 10px;
    z-index: 999;
    padding: 0 20px;
    backdrop-filter: blur(12px); /* 模糊 */
    -webkit-backdrop-filter: blur(12px); /* 兼容Safari */
    background-color: rgba(255, 255, 255, 0.7); /* 半透明白色 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    /* 底部圆角 */
    border-radius: 25px;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #2d3748;
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 16px;
}

.nav-menu a {
    color: #4a5568;
    text-decoration: none;
    font-size: 16px;
    padding: 16px 24px;
    border-radius: 32px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
    background-color: rgba(37, 99, 235, 0.1);
}

/* APP宣传模板区域 */
.app-home {
    /*max-width: 1200px;*/
    margin: 0
    padding: 0 0;
    background: linear-gradient(135deg, #e0f2fe, #f0e7ff);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
}

/* APP宣传模板区域 */
.app-banner {
    max-width: 1400px;
    margin: 0 auto 60px;
    padding: 60px 20px;
    border-radius: 0px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.app-text {
    flex: 1;
}

.app-text h2 {
    font-size: 36px;
    color: #1e293b;
    margin-bottom: 20px;
}

.app-text p {
    font-size: 18px;
    color: #475569;
    margin-bottom: 30px;
    line-height: 1.8;
}

.download-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: #1d4ed8;
}

.app-img {
    flex: 1;
    text-align: center;
}

.app-img img {
    width: 280px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 博客列表区域 */
.blog-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.section-title {
    font-size: 28px;
    color: #1e293b;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 25px;
}

.blog-card {
    background-color: white;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 20px;
}

.blog-content h3 {
    font-size: 20px;
    color: #1e293b;
    margin-bottom: 10px;
}

.blog-content .meta {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 15px;
}

.blog-content p {
    color: #64748b;
    margin-bottom: 20px;
}

.read-more {
    display: inline-block;
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

/* 底部样式 */
footer {
    background-color: #f8fafc;
    padding: 30px 20px;
    text-align: center;
    color: #64748b;
    font-size: 14px;
    border-top: 1px solid #e2e8f0;
}