/* 基础导航样式 */
.navbar,
.fixed-top {
    background-image: linear-gradient(135deg, #00b09b 0%, #96c93d 100%);
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    padding-top: 0.8em;
    padding-bottom: 0.8em;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: all .3s ease-out;
}

.navbar-brand {
    display: flex;
    align-items: center;
    color: #fff;
}

.navbar-brand img {
    max-height: 40px;
    width: auto;
}

.navbar-toggler {
    border: none;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: #4A4A4A;
    text-decoration: none;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 10rem;
    padding: 0.5rem 0;
    margin: 0.125rem 0 0;
    font-size: 1rem;
    color: #212529;
    text-align: left;
    list-style: none;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: 0.25rem;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.25rem 1.5rem;
    clear: both;
    font-weight: 400;
    color: #212529;
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
}

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: all 0.15s ease-in-out;
}

.btn-outline-success {
    color: #28a745;
    background-color: transparent;
    background-image: none;
    border-color: #28a745;
}

.fixed-top .navbar-nav a.nav-link {
    color: #4A4A4A;
}

.fixed-top.bg-white .navbar-nav a.nav-link {
    color: #5a6268;
}

.fixed-top .navbar-nav li.current-menu-item a.nav-link {
    color: #e7062b;
    font-weight: 600;
}

.fixed-top a.navbar-brand {
    color: #fff;
}

.fixed-top.bg-white a.navbar-brand {
    color: #5a6268;
}

.navbar-light .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2);
}

.navbar-light .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (min-width: 768px) {
    .navbar-expand-md {
        padding-top: 0.8em;
        padding-bottom: 0.8em;
    }

    .navbar-expand-md.bg-white {
        padding-top: 0.5em;
        padding-bottom: 0.5em;
    }

    .navbar-expand-md .navbar-nav {
        flex-direction: row;
    }

    .navbar-expand-md .nav-item {
        margin-left: 0.5rem;
    }

    .navbar-expand-md .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }

    .navbar-expand-md .navbar-toggler {
        display: none;
    }
}

@media (max-width: 767px) {
    .navbar-brand {
        display: flex;
        align-items: center;
    }

    .navbar-brand span {
        display: inline-block !important;
        font-size: 16px;
        margin-left: 8px;
        white-space: nowrap;
    }

    #navbarCollapse {
        background: #fff;
        margin-left: -17px;
        margin-right: -17px;
        padding-left: 15px;
        padding-right: 15px;
        text-align: center;
    }

    #navbarCollapse .navbar-nav {
        text-align: center;
        margin: 0 auto;
        width: 100%;
    }

    #navbarCollapse .navbar-nav li {
        text-align: center;
    }

    #navbarCollapse .navbar-nav a.nav-link {
        color: #4A4A4A;
        text-align: center;
        display: block;
        padding: 10px;
    }

    #navbarCollapse .navbar-nav .active > .nav-link {
        color: #e7062b;
    }

    #navbarCollapse .d-flex {
        display: flex !important;
        justify-content: center;
        align-items: center;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #eee;
    }

    #navbarCollapse .dropdown {
        margin: 0 5px;
    }

    #navbarCollapse .dropdown-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
    }

    #navbarCollapse .dropdown-menu {
        text-align: center !important;
        left: 0 !important;
        right: 0 !important;
        transform: none !important;
        margin: 0 auto !important;
        float: none !important;
        position: static !important;
    }

    #navbarCollapse .dropdown-item {
        text-align: center !important;
        display: block !important;
        width: 100% !important;
    }

    #navbarCollapse .search-container {
        margin: 0 5px;
        display: flex;
        justify-content: center;
    }

    #navbarCollapse .search-form-container {
        left: 50%;
        transform: translateX(-50%);
        right: auto;
    }
}

.navbar-nav {
    opacity: 1;
    transition: opacity 0.3s ease;
}