/* =====================================================
   专业商务导航栏 - PC/手机适配
   ===================================================== */

/* =====================================================
   红色标签样式 - 美化版本
   ===================================================== */

/* PC端红色标签 */
@media (min-width: 992px) {
    .navbar .promo-tag {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 48px;
        padding: 0 14px;
        background: linear-gradient(135deg, #c83c23 0%, #e74c3c 100%);
        color: #fff;
        border-radius: 8px;
        font-size: 13px;
        font-weight: 600;
        line-height: 1.4;
        white-space: nowrap;
        margin-left: 20px;
        box-shadow: 0 4px 12px rgba(200, 60, 35, 0.3);
        transition: all 0.3s ease;
    }
    
    .navbar .promo-tag:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(200, 60, 35, 0.4);
    }
    
    .navbar .promo-tag span:first-child {
        font-size: 11px;
        opacity: 0.9;
    }
    
    .navbar .promo-tag span:last-child {
        font-size: 14px;
        font-weight: 700;
    }
}

/* 手机端红色标签 - 缩小版 */
@media (max-width: 991px) {
    .navbar .promo-tag {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 36px;
        padding: 0 10px;
        background: linear-gradient(135deg, #c83c23 0%, #e74c3c 100%);
        color: #fff;
        border-radius: 6px;
        font-size: 11px;
        font-weight: 600;
        line-height: 1.3;
        white-space: nowrap;
        margin-left: 10px;
        box-shadow: 0 2px 8px rgba(200, 60, 35, 0.3);
        flex-shrink: 0;
    }
    
    .navbar .promo-tag span:first-child {
        font-size: 9px;
        opacity: 0.9;
    }
    
    .navbar .promo-tag span:last-child {
        font-size: 11px;
        font-weight: 700;
    }
}

/* =====================================================
   Logo区域容器
   ===================================================== */
.navbar-brand-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.navbar .navbar-brand img {
    height: 48px;
    width: auto;
}

.navbar .navbar-brand img:last-child {
    display: none !important;
}

/* 站点名称 */
.navbar .site-name {
    font-size: 22px;
    font-weight: 700;
    color: #000;
    white-space: nowrap;
    letter-spacing: -0.5px;
}

/* =====================================================
   响应式调整
   ===================================================== */
@media (max-width: 991px) {
    .navbar .container.custom_container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .navbar .navbar-brand img {
        height: 36px !important;
    }
    
    .navbar .site-name {
        font-size: 16px !important;
        font-weight: 700 !important;
        color: #000 !important;
    }
    
    .navbar-brand-wrapper {
        gap: 8px;
    }
}

@media (max-width: 575px) {
    .navbar .site-name {
        font-size: 14px !important;
        max-width: 100px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .navbar .promo-tag {
        display: none !important;
    }
}

/* =====================================================
   固定导航栏样式 - 通用
   ===================================================== */
.header_aria.navbar_fixed .navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header_aria.navbar_fixed .navbar .navbar-brand img:first-child {
    display: none !important;
}

.header_aria.navbar_fixed .navbar .navbar-brand img:last-child {
    display: block !important;
}

.header_aria.navbar_fixed .navbar .site-name {
    color: #333 !important;
}

.header_aria.navbar_fixed .navbar .demoCenter {
    color: #333 !important;
    border-color: #333 !important;
}

.header_aria.navbar_fixed .navbar .demoCenter:hover {
    background: #333 !important;
    color: #fff !important;
}

/* =====================================================
   移动端菜单样式
   ===================================================== */
@media (max-width: 991px) {
    /* 移动端下拉菜单 */
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        padding: 15px 20px;
        border-radius: 0 0 12px 12px;
        max-height: 70vh;
        overflow-y: auto;
        z-index: 999;
    }
    
    .navbar-collapse.show,
    .navbar-collapse.collapsing {
        display: block !important;
    }
    
    .navbar-nav {
        flex-direction: column;
        align-items: stretch !important;
    }
    
    .navbar ul li {
        padding: 14px 0;
        margin: 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .navbar ul li:last-child {
        border-bottom: none;
    }
    
    .navbar ul li a {
        font-size: 16px;
        color: #333;
    }
    
    .navbar-toggler {
        padding: 8px;
        border: none;
        background: transparent;
        z-index: 1000;
        position: relative;
    }
    
    .navbar-toggler:focus {
        box-shadow: none;
    }
    
    /* 移动端底部按钮区域 */
    .navbar ul.navbar-nav:last-child {
        margin-top: 15px;
        padding-top: 15px;
        border-top: 2px solid #f0f0f0;
    }
    
    .navbar .demoCenter,
    .navbar .demoCenter-1 {
        display: block;
        text-align: center;
        margin: 8px 0;
        padding: 12px 20px;
    }
}

/* =====================================================
   按钮样式
   ===================================================== */
.navbar .demoCenter,
.navbar .demoCenter-1 {
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.navbar .demoCenter {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.navbar .demoCenter-1 {
    background: #fe4c1c;
    color: #fff;
}

.navbar .demoCenter:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.navbar .demoCenter-1:hover {
    background: #e74c3c;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(254, 76, 28, 0.3);
}

/* =====================================================
   导航栏通用样式
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: all 0.3s ease;
}

.navbar.navbar-expand-lg {
    position: fixed;
}