/* 导入通用样式 */
@import url('common.css');

/* Header Styles */
#header{
    padding-left: 3%;
    padding-right: 3%;
}
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    transition: all 0.5s ease;
    z-index: 1000;
}

#header-second {
    position: sticky;
}

.navbar-transparent {
    background-color: transparent !important;
}

.navbar-white {
    background-color: rgba(255,255,255,0.6)!important;
    backdrop-filter:blur(20px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand-icon {
    width: 160px;
    height: 35px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: start;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
}

.navbar-brand-icon img {
    height: 100%;
    object-fit: contain;
}

.nav-link.underline {
    color: #333;
    display: inline-block;
}

.nav-link.underline::before {
    top: -10px;
    height: 3px;
    /* background-color: var(--primary-color); */
}
.dropdown-toggle::after{
    margin-left: 1rem;
}
.navbar-transparent .nav-link {
    color: white;
}

.nav-link:hover,
.nav-link.custom-header-active{
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color) !important;
}
.mobile-menu-button{
    display: flex;
    flex-direction: row;
    gap: 1rem;
}
#searchToggle,.navbar-toggler{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 35px;
}
.navbar-toggler-icons{
    display: block;
    width: 16px;
    height: 16px;
}
/* .navbar-transparent .nav-link:hover {
            color: rgba(255, 255, 255, 0.9);
        } */

/* Dropdown Menu */
.dropdown-menu {
    background-color: white;
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    margin-top: 0;
    display: none;
}
.navbar-toggler.collapsed:hover{
    background-color: transparent;
}
.search-form{
    display: flex;
    flex-direction: row;
    align-items: center;
}
/* Desktop hover behavior */
@media (min-width: 992px) {
    .nav-item.dropdown:hover .dropdown-menu {
        display: block;
    }
    #searchToggle,.mobile-menu-button{
        display: none;
    }
    .nav-item.dropdown:hover .nav-link,
    .nav-item.dropdown.custom-header-active .nav-link{
        color: var(--primary-color);
    }
}

/* Mobile click behavior */
@media (max-width: 991px) {
    .nav-item.dropdown .dropdown-menu.show {
        display: block;
        padding: 1rem;
        background: rgba(0, 0, 0, 0.05);
        border-radius: 10px;
    }
}

.dropdown-item {
    color: var(--dark-color);
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover,
.dropdown-item.custom-header-active{
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
}
.navbar .btn-primary,
.navbar .btn-primary:focus,
.navbar .btn-primary:active{
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: white;
    border-color: var(--primary-color); 
    color: var(--primary-color);
    /* transform: translateY(-2px); */
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
}

.navbar-transparent .btn-outline-primary,
.navbar-transparent .btn-outline-primary:focus,
.navbar-transparent .btn-outline-primary:active{
    color: white;
    border-color: white;
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    /* transform: translateY(-2px); */
    border-color: var(--primary-color);
}
.navbar-white .btn-outline-primary:focus,
.navbar-white .btn-outline-primary:active{
   color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: transparent;
}
.navbar-transparent .btn-outline-primary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Section Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(150px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}
/* Search Box Styles */
.search-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 999;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.search-box.active {
    opacity: 1;
    transform: translateY(0);
}

.search-input-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 0;
}

.search-input {
    width: 100% !important;
    padding: 16px 60px 16px 20px !important;
    font-size: 16px !important;
    border: 2px solid #f0f0f0 !important;
    border-radius: 50px !important;
    outline: none !important;
    transition: border-color 0.3s ease !important;
}

.search-input:focus {
    border-color: var(--primary-color) !important;
}

.search-submit,
.search-close {
    position: absolute !important;
    /*top: 50%;*/
    /*transform: translateY(-70%);*/
    background: none;
    border: none;
    color: #666;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-submit {
    right: 70px;
}

.search-close {
    right: 20px;
}

.search-submit:hover,
.search-close:hover{
    background: transparent !important; 
    color: var(--primary-color) !important;
    font-size: 24px;
}

/* Responsive Search Box */
@media (max-width: 991px) {
    .navbar-brand-icon img {
        height: auto;
    }
    .search-input-wrapper {
        padding: 20px 15px !important;
    }
    
    .search-input {
        padding: 14px 50px 14px 15px !important;
        font-size: 14px !important;
    }
    
    .search-submit {
        right: 55px !important;
        font-size: 16px !important;
    }
    
    .search-close {
        right: 15px !important;
        font-size: 16px !important;
    }
}