/* ==================== 布局组件样式 ==================== */

/* ==================== 导航栏 ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo文字样式 */
.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 导航栏logo图片样式 */
.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* ==================== 页脚 ==================== */
.footer {
    background: #3a1050;
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

/* 页脚logo图片样式：白色滤镜让紫色logo在深色背景上清晰显示 */
.footer-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

.footer-bottom .icp {
    margin-top: 10px;
}

.footer-bottom .icp a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-bottom .icp a:hover {
    color: #fff;
}

.footer-slogan {
    height: 180px;
    vertical-align: middle;
}

/* ==================== 移动端导航 ==================== */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px 10px;
    color: var(--text-color);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 20px;
        position: relative;
    }
    
    .mobile-nav-toggle {
        display: block;
        margin-left: auto;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #e2e8f0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu li:last-child a {
        border-bottom: none;
    }
}