/* 导航栏容器 - 确保不影响sticky定位 */
.navigation-container {
    position: relative;
    overflow: visible; /* 确保不隐藏sticky元素 */
}

/* 导航栏过渡动画 - 防反弹版 */
.navbar-scrollable {
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* 默认状态：半透明背景 + 毛玻璃效果 */
    /* background-color: rgba(255, 255, 255, 0.349); */
    /* backdrop-filter: blur(10px) !important; */
    /* -webkit-backdrop-filter: blur(10px) !important; */
}

.navbar-scrollable .navbar-brand {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-scrollable .container-fluid {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 第一个导航栏高度控制区域 ===== */
/* 默认状态：HTML中设置 py-3 (padding: 1rem 0) */
/* 滚动状态：以下样式控制缩小后的高度 */

.navbar-scrollable.scrolled {
    /* 控制导航栏整体高度 - 当前值：0.5rem 上下内边距 */
    /* 如需调整高度，修改此值：0.25rem(更小) 或 0.75rem(更大) */
    padding: 0 0;
    /* 滚动状态：更不透明的背景 + 增强毛玻璃效果 */
    background-color: rgba(255, 255, 255, 0.247) !important;
    backdrop-filter: blur(15px) !important;
    -webkit-backdrop-filter: blur(15px) !important;
    
}

.navbar-scrollable.scrolled .container-fluid {
    /* 控制容器内边距 - 当前值：0.5rem 上下，1rem 左右 */
    /* 如需调整内容区域高度，修改第一个值：0.25rem(更小) 或 0.75rem(更大) */
    padding: 0.5rem 1rem !important;
}

.navbar-scrollable.scrolled .navbar-brand {
    /* 控制品牌文字大小 - 当前值：1.25rem */
    /* 如需调整文字大小，修改此值：1rem(更小) 或 1.5rem(更大) */
    font-size: 1.25rem !important;
}

/* 第二个导航栏使用transform避免影响页面高度 */
.navbar-second {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
    /* 默认状态：半透明背景 + 毛玻璃效果 */
    /* background-color: rgba(255, 255, 255, 0.062); */
    /* backdrop-filter: blur(8px); */
    /* -webkit-backdrop-filter: blur(8px); */
}

.navbar-second.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

/* 移动端响应式布局优化 */
@media (max-width: 576px) {
    .navbar-scrollable .navbar-brand {
        max-width: 200px;
        overflow: hidden;
        white-space: nowrap;
        position: relative;
    }
    
    .navbar-scrollable .navbar-brand::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 30px;
        height: 100%;
        /* 渐变隐藏背景 */
        /* background: linear-gradient(to right, transparent, white); */
        pointer-events: none;
    }
    
    .navbar-scrollable .navbar-nav {
        gap: 1rem !important;
    }
    
    .navbar-scrollable .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}

@media (max-width: 480px) {
    .navbar-scrollable .navbar-brand {
        max-width: 150px;
    }
    
    .navbar-scrollable .navbar-brand::after {
        width: 40px;
    }
}

@media (max-width: 400px) {
    .navbar-scrollable .navbar-brand {
        max-width: 120px;
    }
    
    .navbar-scrollable .navbar-brand::after {
        width: 50px;
    }
}

/* 搜索面板样式优化 */
.offcanvas-top {
    height: 400px !important;
    max-height: 400px !important;
}

.offcanvas-header,
.offcanvas-body {
    border-bottom: none;
    padding: 0;
}

/* 搜索面板内容容器 - 响应式宽度 */
.search-panel-content {
    margin: 0 auto;
}

/* 搜索框样式 - 响应式宽度 */
.search-container {
    margin: 0 auto;
}

/* Logo动画 */
.search-logo {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.offcanvas.show .search-logo {
    opacity: 1;
    transform: translateX(0);
}

/* 搜索输入框组动画 */
.search-input-group {
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.offcanvas.show .search-input-group {
    transform: scaleX(1);
}

.search-input-group .search-icon {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    color: #6b7280;
    pointer-events: none;
}

#searchInput {
    height: 57px;
    border-radius: 28.5px;
    padding-left: 50px;
    padding-right: 20px;
    border: 2px solid #e9ecef;
    background-color: #f8f9fa;
}

#searchInput:focus {
    border-color: #000;
    box-shadow: none;
    background-color: #fff;
}

/* 关闭按钮动画 */
.search-close-btn {
    opacity: 0;
    transform: translateX(20px);
    transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.offcanvas.show .search-close-btn {
    opacity: 1;
    transform: translateX(0);
}

.search-close-btn svg {
    width: 28px;
    height: 28px;
}

/* 移动端布局 */
@media (max-width: 768px) {
    .search-container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .search-logo {
        order: 1;
        align-self: center;
    }
    
    .search-input-group {
        order: 2;
        margin: 0 !important;
    }
    
    .search-close-btn {
        display: none;
    }
    .search-keywords-container{
        padding: 0 20px;
    }
    .search-keywords-container h6{
        margin-top: 0px !important;
    }
}

/* 搜索关键字容器动画 */
.search-keywords-container {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.offcanvas.show .search-keywords-container {
    opacity: 1;
    transform: translateY(0);
}

/* 关键字按钮动画和样式 */
.search-keywords-wrapper .btn {
    background-color: #f3f4f6;
    border: none;
    color: #000000;
    border-radius: 50px;
    opacity: 0;
    transform: translateY(10px);
    transition: background-color 0.2s ease, opacity 0.3s ease, transform 0.3s ease;
}

/* 搜索面板显示时的关键字按钮动画 - 逐个出现 */
.offcanvas.show .search-keywords-wrapper .btn:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.4s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }
.offcanvas.show .search-keywords-wrapper .btn:nth-child(8) { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }

.search-keywords-wrapper .btn:hover {
    background-color: #e5e7eb;
    color: #000000;
}


.btn-outline-secondary:hover {
    background-color: #6c757d;
    border-color: #6c757d;
    color: white;
}