/* 响应式设计 - 移动端优先 */

/* 小屏幕设备 (平板电脑, 768px 及以上) */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    
    .main-navigation ul {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 5px;
    }
}

/* 中等屏幕设备 (桌面电脑, 992px 及以上) */
@media (min-width: 992px) {
    .container {
        padding: 0 30px;
    }
}

/* 大屏幕设备 (大桌面电脑, 1200px 及以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* 移动端菜单样式 */
@media (max-width: 767px) {
    :root {
        --menu-bg-color: #2c3e50;
        --menu-hover-color: #34495e;
    }

    .menu-toggle {
        display: block;
        background: var(--menu-bg-color);
        color: white;
        border: none;
        padding: 10px 15px;
        cursor: pointer;
        margin-left: auto;
    }
    
    .main-navigation ul {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .main-navigation ul.active {
        display: flex;
    }

    .main-navigation a {
        padding: 12px 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        background: var(--menu-bg-color);
    }

    .main-navigation a:hover {
        background: var(--menu-hover-color);
    }
}

.menu-toggle.active {
    background: var(--menu-hover-color);
}

/* 子菜单样式 - 与主样式保持一致 */
.main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding-left: 0;
}

.main-navigation li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 767px) {
    .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        display: none;
        background: var(--menu-hover-color);
        box-shadow: none;
    }
    
    .main-navigation .sub-menu.active {
        display: block;
    }
}

/* 移动端文章列表调整 */
@media (max-width: 767px) {
    .post-list {
        grid-template-columns: 1fr;
    }
    
    .used-car-meta,
    .house-meta,
    .job-meta,
    .exam-meta,
    .tourism-meta {
        grid-template-columns: 1fr;
    }
    
    .site-header {
        position: relative;
    }
    
    .header-top {
        flex-direction: column;
    }
    
    .site-branding {
        margin-bottom: 15px;
    }
}

/* 移动端站点链接调整 */
@media (max-width: 767px) {
    .site-links {
        padding: 10px 0;
    }
    
    .site-links a {
        padding: 0 8px;
        font-size: 13px;
        display: inline-block;
        margin: 2px 0;
    }
    
    .site-links a:not(:last-child)::after {
        margin: 0 3px;
    }
}