/* Bootstrap 自定义样式 */

/* 导航栏样式 */
.navbar-default {
    background-color: #fff;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    color: #333 !important;
}

/* 按钮样式 */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

/* 卡片样式 */
.panel {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.panel-default {
    border-color: #eee;
}

/* 导航栏图标样式 */
.nav-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

/* 汉堡菜单按钮样式 */
.navbar-toggle {
    position: relative;
    float: right;
    padding: 9px 10px;
    margin-top: 8px;
    margin-right: 15px;
    margin-bottom: 8px;
    background-color: transparent;
    background-image: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navbar-toggle:hover,
.navbar-toggle:focus {
    background-color: #ddd;
    border-color: #bbb;
}

.navbar-toggle .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background-color: #888;
    transition: all 0.3s ease;
}

.navbar-toggle .icon-bar + .icon-bar {
    margin-top: 4px;
}

/* 汉堡菜单动画效果 */
.navbar-toggle.collapsed .icon-bar:nth-child(2) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.collapsed .icon-bar:nth-child(3) {
    opacity: 0;
}

.navbar-toggle.collapsed .icon-bar:nth-child(4) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (min-width: 1440px) {
    .container{
        width:1440px;
    }
    
}
/* 确保汉堡菜单在小屏幕显示 */
@media (min-width: 768px) {
    .navbar-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .navbar-toggle {
        display: block;
    }
}

/* 导航栏下拉菜单样式 */
.navbar-nav .dropdown-menu {
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border: 1px solid #e0e0e0;
}

.navbar-nav .dropdown-menu > li > a {
    padding: 8px 20px;
    color: #333;
    transition: background-color 0.3s ease;
}

.navbar-nav .dropdown-menu > li > a:hover {
    background-color: #f5f5f5;
    color: #333;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 18px;
        padding: 10px 15px;
    }
    
    .navbar-nav {
        margin: 0;
    }
    
    .navbar-nav > li > a {
        padding: 10px 15px;
        border-bottom: 1px solid #eee;
    }
    
    .navbar-nav .dropdown-menu {
        position: static;
        float: none;
        width: auto;
        margin-top: 0;
        background-color: #f8f8f8;
        border: none;
        box-shadow: none;
        border-radius: 0;
    }
    
    .navbar-nav .dropdown-menu > li > a {
        padding: 8px 30px;
        color: #666;
    }
    
    .navbar-collapse {
        border-top: 1px solid #e7e7e7;
        margin-top: 10px;
        padding-top: 10px;
        overflow: hidden;
        transition: height 0.35s ease;
    }
    
    .navbar-collapse.in {
        overflow: visible;
    }
    
    .navbar-collapse.collapsing {
        position: relative;
        height: 0;
        overflow: hidden;
        transition: height 0.35s ease;
    }
    
    .nav-icon {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        font-size: 16px;
        padding: 8px 10px;
    }
    
    .navbar-nav > li > a {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .navbar-nav .dropdown-menu > li > a {
        padding: 6px 20px;
        font-size: 14px;
    }
    
    .nav-icon {
        width: 16px;
        height: 16px;
    }
    
    .navbar-toggle {
        padding: 6px 8px;
        margin: 8px 10px 8px 0;
    }
    
    .navbar-toggle .icon-bar {
        width: 18px;
        height: 2px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
    .navbar-brand {
        font-size: 14px;
        padding: 6px 8px;
    }
    
    .navbar-nav > li > a {
        padding: 6px 8px;
        font-size: 13px;
    }
    
    .navbar-toggle {
        padding: 4px 6px;
        margin: 6px 8px 6px 0;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        min-height: 40px;
    }
    
    .navbar-brand {
        padding: 8px 15px;
        font-size: 16px;
    }
    
    .navbar-nav > li > a {
        padding: 8px 12px;
    }
}

/* 触摸设备优化 */
@media (pointer: coarse) {
    .navbar-nav > li > a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .dropdown-toggle::after {
        margin-left: 8px;
    }
}