html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    color: #333;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #fcfcfc;
}

.page-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.page {
    width: 100%;
    /* display: flex; */
    /* flex-direction: column; */
    flex: 1;
    position: relative;

}

.container {
    max-width: 1226px;
    margin-right: auto;
    margin-left: auto;
    /* padding-left: 20px;
    padding-right: 20px; */
}

@media (max-width: 640px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
}

.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

.navbar-brand {
    float: left;
    height: 100%;
    display: flex;
    align-items: center;
}

/* ===== 顶部导航 响应式 ===== */
.navbar {
    position: relative;
}

.navbar .menu-toggle {
    display: none;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.navbar .menu-toggle .bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #333;
    margin: 5px auto;
    transition: transform .2s ease, opacity .2s ease;
}

.navbar .mobile-menu {
    display: none;
    position: relative;
    overflow: hidden;
    max-height: 0;
    transition: max-height .25s ease;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .06);
}

.navbar.open .mobile-menu {
    display: none;
    max-height: 400px;
}

.navbar .mobile-menu .menu-item {
    display: block;
    padding: 12px 0;
}

/* 桌面端可见区域 */
.desktop-only {
    display: block;
}

/* <= 1024 宽度：显示切换按钮，隐藏桌面菜单 */
@media (max-width: 1024px) {
    .desktop-only {
        display: none;
    }

    .navbar .menu-toggle {
        display: inline-block;
    }

    .navbar .mobile-menu {
        padding: 8px 20px 12px;
    }

    .navbar.open .mobile-menu {
        display: block;
    }
}

.menu {
    height: 100%;
    margin-left: 20px;

    .menu-item {
        height: 100%;
        display: flex;
        align-items: center;
        padding: 0 10px;
        cursor: pointer;

        &:hover {
            background: rgba(175, 175, 175, 0.1);
        }
    }
}

.menu.left {
    float: left;

    .menu-item {
        float: left;

        &+.menu-item {
            margin-left: 5px;
        }
    }
}

.right.menu {
    float: right;

    .menu-item {
        float: right;

        &+.menu-item {
            margin-right: 5px;
        }
    }
}