:root {
    --bg-image: url('images/背景1.png');
    --bg-overlay: rgba(255, 255, 255, 0.1);
}
html {
    background: var(--bg-image) center/cover no-repeat fixed !important;
    min-height: 100vh;
}
body {
    background: transparent;
    position: relative;
    min-height: 100vh;
}
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: -1;
    pointer-events: none;
}
html.bg-default { --bg-image: url('images/背景1.png') !important; }
html.bg-style2 { --bg-image: url('images/背景2.png') !important; }
html.bg-style3 { --bg-image: url('images/背景3.png') !important; }
html.bg-style4 { --bg-image: url('images/背景4.png') !important; }
html.bg-style5 { --bg-image: url('images/背景5.png') !important; }
html.bg-style6 { --bg-image: url('images/背景6.png') !important; }
html.bg-white { --bg-image: none !important; background-color: #ffffff !important; }
.background-selector {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0.8;
}
.background-selector:hover {
    opacity: 1;
    transform: translateY(-2px);
}
.background-selector h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: #333;
    text-align: center;
}
.bg-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.bg-option {
    width: 40px;
    height: 40px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-size: cover;
    background-position: center;
    position: relative;
}
.bg-option:hover {
    transform: scale(1.1);
    border-color: #2a6b6a;
}
.bg-option.active {
    border-color: #2a6b6a;
    box-shadow: 0 0 0 2px rgba(42, 107, 106, 0.3);
}
.bg-option::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.1);
}
.bg-option[data-bg="bg-default"] { background-image: url('images/背景1.png'); }
.bg-option[data-bg="bg-style2"] { background-image: url('images/背景2.png'); }
.bg-option[data-bg="bg-style3"] { background-image: url('images/背景3.png'); }
.bg-option[data-bg="bg-style4"] { background-image: url('images/背景4.png'); }
.bg-option[data-bg="bg-style5"] { background-image: url('images/背景5.png'); }
.bg-option[data-bg="bg-style6"] { background-image: url('images/背景6.png'); }
.bg-option[data-bg="bg-white"] { 
    background-color: #ffffff; 
    border: 2px solid #ddd;
    position: relative;
}
.bg-option[data-bg="bg-white"]::before {
    content: "白";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #666;
    font-size: 14px;
    font-weight: bold;
}
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    color: #333;
    margin: 0;
    padding-top: 80px; 
    line-height: 1.6;
}
.nav-container {
    background-color: #ffffff !important;
    border-bottom: 1px solid #e0e0e0 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: 80px !important;
    z-index: 1000 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
    padding: 0 !important; 
}
.main-nav {
    max-width: 1400px !important;
    margin: 0 auto !important;
    height: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important; 
    padding: 0 40px !important;
    position: relative !important;
    list-style: none !important;
}
nav.main-nav {
    background-color: transparent !important;
    box-shadow: none !important;
}
.main-nav::before {
    content: "" !important;
    width: 60px !important;
    height: 60px !important;
    background: url('images/透明底Logo.png') center/contain no-repeat !important; 
    background-color: transparent !important; 
    border: none !important; 
    border-radius: 4px !important;
    order: -2 !important; 
    margin-right: 15px !important;
    flex-shrink: 0 !important;
}
.main-nav::after {
    content: "龙泉青瓷数字博物馆" !important;
    font-size: 24px !important;
    font-weight: 500 !important;
    color: #333 !important;
    letter-spacing: 2px !important;
    order: -1 !important; 
    margin-right: auto !important; 
    flex-shrink: 0 !important;
}
.main-nav ul,
.main-nav > ul,
nav.main-nav ul,
header .main-nav ul {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    height: 80px !important; 
    gap: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    flex-direction: row !important; 
}
.nav-item,
.main-nav li,
.main-nav > ul > li,
nav.main-nav li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative !important;
    height: 80px !important;
    display: flex !important;
    align-items: center !important;
    background: transparent !important;
    border: none !important;
    float: none !important;
}
.nav-link,
.main-nav a,
.main-nav > ul > li > a,
nav.main-nav a,
.nav-item > a {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 20px !important; 
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 16px !important;
    font-weight: 400 !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
    height: 80px !important; 
    border-bottom: 3px solid transparent !important;
    line-height: 1 !important; 
    box-sizing: border-box !important;
    background: transparent !important;
    border-left: none !important;
    border-right: none !important;
    border-top: none !important;
    border-radius: 0 !important;
    transform: none !important;
    margin: 0 !important;
    position: relative !important;
    text-align: center !important;
}
.nav-link:hover,
.main-nav a:hover,
.nav-item > a:hover {
    color: #666666 !important;
    background-color: rgba(0,0,0,0.02) !important;
    border-bottom-color: #333333 !important;
    transform: none !important; 
    padding: 0 20px !important; 
}
.nav-link.active,
.main-nav a.active {
    color: #2c5aa0 !important;
    background-color: rgba(44, 90, 160, 0.05) !important;
    border-bottom-color: #2c5aa0 !important;
    font-weight: 500 !important;
}
.dropdown-menu,
.nav-item ul,
.main-nav ul ul,
nav.main-nav ul ul {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    background-color: #ffffff !important;
    border: 1px solid #e0e0e0 !important;
    border-top: none !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    min-width: 220px !important;
    width: 220px !important; 
    z-index: 1001 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: all 0.3s ease !important;
    list-style: none !important;
    padding: 0 !important; 
    margin: 0 !important;
    display: block !important; 
    flex-direction: column !important; 
    border-radius: 0 !important;
    gap: 0 !important;
}
.nav-item:hover .dropdown-menu,
.nav-item:hover ul,
.main-nav li:hover ul {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}
.dropdown-menu li,
.nav-item ul li,
.main-nav ul ul li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    display: block !important; 
    float: none !important; 
    border-bottom: 1px solid #f0f0f0 !important; 
    background: #ffffff !important;
    position: relative !important;
}
.dropdown-menu li:last-child,
.nav-item ul li:last-child,
.main-nav ul ul li:last-child {
    border-bottom: none !important;
}
.dropdown-menu a,
.dropdown-menu li a,
.nav-item ul a,
.nav-item ul li a,
.main-nav ul ul a {
    display: block !important;
    padding: 12px 20px !important;
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
    border: none !important;
    background-color: transparent !important;
    width: 100% !important;
    text-align: left !important; 
    white-space: nowrap !important; 
    box-sizing: border-box !important;
    height: auto !important; 
    line-height: 1.4 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    transform: none !important;
    position: relative !important;
}
.dropdown-menu a:hover,
.dropdown-menu li a:hover,
.nav-item ul a:hover,
.main-nav ul ul a:hover {
    background-color: #f5f5f5 !important;
    color: #000000 !important;
    padding-left: 24px !important;
    transform: none !important;
}
.nav-item .dropdown-menu,
.nav-item ul,
.main-nav ul ul {
    flex-direction: column !important; 
    flex-wrap: nowrap !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
}
.nav-item .dropdown-menu li,
.nav-item ul li,
.main-nav ul ul li {
    float: none !important; 
    display: block !important; 
    width: 100% !important;
    flex: none !important;
}
.dropdown-menu,
.nav-item ul {
    flex-direction: column !important;
    align-items: stretch !important;
}
.dropdown-menu > li,
.nav-item ul > li {
    width: 100% !important;
    display: block !important;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
}
.content-section {
    background-color: #ffffff;
    padding: 40px;
    margin: 30px 0;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    max-width: 1400px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}
.static-module,
.news-module,
.gallery-section,
.message-board {
    background: #ffffff !important;
    border: 1px solid #f0f0f0 !important;
    padding: 30px !important;
    margin-bottom: 30px !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05) !important;
    border-radius: 0 !important;
}
.gallery-section {
    max-width: 1400px !important;
    margin: 40px auto !important;
    padding: 40px !important;
}
.gallery-section h2 {
    text-align: center !important;
    font-size: 28px !important;
    font-weight: 500 !important;
    color: #333 !important;
    margin-bottom: 40px !important;
    letter-spacing: 1px !important;
}
.gallery-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
    gap: 30px !important;
    margin-top: 30px !important;
}
.gallery-item {
    background: #ffffff !important;
    border: 1px solid #f0f0f0 !important;
    padding: 20px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05) !important;
    transition: all 0.3s ease !important;
}
.gallery-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1) !important;
    transform: translateY(-2px) !important;
}
.gallery-item img {
    width: 100% !important;
    height: 250px !important;
    object-fit: cover !important;
    margin-bottom: 15px !important;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    color: #333;
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    letter-spacing: 0.5px;
}
h3 {
    font-size: 20px !important;
    color: #333 !important;
    margin-bottom: 15px !important;
}
a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #666;
}
.article-title a {
    color: #333333 !important;
    text-decoration: none !important;
    transition: color 0.3s ease !important;
}
.article-title a:hover {
    color: #666666 !important;
}
footer.main-footer {
    background-color: #f8f8f8;
    color: #666;
    text-align: center;
    padding: 40px 0;
    font-size: 14px;
    border-top: 1px solid #e0e0e0;
    margin-top: 60px;
}
.swiper-container {
    background-color: #ffffff;
    border: 1px solid #f0f0f0;
    margin-bottom: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    height: 700px;
    margin-top: -20px;
}
.swiper-slide {
    background-color: #ffffff;
    color: #333;
    position: relative;
    background: #000;
}
.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}
.swiper-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 30px;
    z-index: 10;
}
.swiper-caption h3 {
    font-size: 24px !important;
    margin-bottom: 15px !important;
    color: #ffffff !important;
    font-weight: 500 !important;
}
.swiper-caption p {
    font-size: 16px !important;
    line-height: 1.6 !important;
    opacity: 0.9 !important;
}
.swiper-button-next, .swiper-button-prev {
    color: #333 !important;
    background-color: rgba(255, 255, 255, 0.9) !important;
    width: 44px !important;
    height: 44px !important;
    border: 1px solid #e0e0e0 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 0 !important;
}
.swiper-button-next::after, .swiper-button-prev::after {
    font-size: 18px !important;
    font-weight: 600 !important;
}
.swiper-pagination {
    bottom: 120px !important;
}
.swiper-pagination-bullet {
    background: #ffffff !important;
    opacity: 0.6 !important;
    width: 12px !important;
    height: 12px !important;
    margin: 0 6px !important;
}
.swiper-pagination-bullet-active {
    opacity: 1 !important;
    transform: scale(1.2) !important;
}
.news-module {
    min-height: 300px !important;
}
.news-container {
    max-height: 250px !important;
    overflow-y: auto !important;
}
@media (max-width: 1024px) {
    .main-nav {
        padding: 0 20px !important;
    }
    .main-nav::before {
        font-size: 20px !important;
    }
    .nav-link {
        padding: 0 15px !important;
        font-size: 15px !important;
    }
}
@media (max-width: 768px) {
    .nav-container {
        height: auto !important;
        min-height: 80px !important;
    }
    .main-nav {
        flex-direction: column !important;
        height: auto !important;
        padding: 15px 20px !important;
    }
    .main-nav::before {
        margin-bottom: 15px !important;
        font-size: 18px !important;
    }
    .main-nav ul {
        flex-wrap: wrap !important;
        justify-content: center !important;
        margin-left: 0 !important;
    }
    .nav-link {
        padding: 10px 12px !important;
        font-size: 14px !important;
        height: 60px !important;
    }
    .nav-item {
        height: 60px !important;
    }
    body {
        padding-top: 120px !important;
    }
    .content-section {
        grid-template-columns: 1fr !important;
        padding: 20px !important;
        margin: 20px !important;
    }
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
        gap: 20px !important;
    }
}
.text-center {
    text-align: center;
}
.img-responsive {
    max-width: 100%;
    height: auto;
}
.geometric-element {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.suzhou-wall {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.swiper-container {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.swiper-slide {
    background-color: #ffffff;
    color: #333;
    padding: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.swiper-button-next, .swiper-button-prev {
    color: #2c5aa0 !important;
    background-image: none !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 0 !important;
    background-color: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    border: 1px solid #e8e8e8 !important;
}
.swiper-button-next::after, .swiper-button-prev::after {
    font-size: 16px !important;
    font-weight: 600 !important;
}
.swiper-pagination-bullet {
    background: #2c5aa0 !important;
    opacity: 0.3 !important;
}
.swiper-pagination-bullet-active {
    background: #2c5aa0 !important;
    opacity: 1 !important;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: 500; 
    color: #1a1a1a;
    margin-top: 1.5em;
    margin-bottom: 0.75em;
}
a {
    color: #333;
    text-decoration: none;
    border-bottom: none;
    transition: color 0.3s ease;
}
a:hover, a:focus {
    color: #2c5aa0;
}
.geometric-element,
.suzhou-wall {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.swiper-container {
    background-color: #ffffff;
    border: 1px solid #e8e8e8;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.swiper-slide {
    background-color: #ffffff;
    color: #333;
    padding: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.swiper-button-next, .swiper-button-prev {
    color: #2c5aa0 !important;
    background-image: none !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 0 !important;
    background-color: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    border: 1px solid #e8e8e8 !important;
}
.swiper-button-next::after, .swiper-button-prev::after {
    font-size: 16px !important;
    font-weight: 600 !important;
}
.swiper-pagination-bullet {
    background: #2c5aa0 !important;
    opacity: 0.3 !important;
}
.swiper-pagination-bullet-active {
    background: #2c5aa0 !important;
    opacity: 1 !important;
}
* {
    box-sizing: border-box;
}
.news-module, .static-module, .gallery-section {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
}
.nav-container[style],
.main-nav[style],
.nav-item[style],
.nav-link[style],
.dropdown-menu[style] {
}
header .nav-container {
    background-color: #ffffff !important;
    height: 80px !important;
    border-bottom: 1px solid #e0e0e0 !important;
    position: fixed !important;
    top: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    padding: 0 !important;
}
header .main-nav {
    height: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
    padding: 0 40px !important;
    background: transparent !important;
}
header .dropdown-menu,
header .nav-item ul,
header nav ul ul,
.nav-container .dropdown-menu,
.nav-container .nav-item ul,
.nav-container nav ul ul {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    background: linear-gradient(145deg, #ffffff 0%, #fafafa 100%) !important; 
    border: 1px solid #e0e0e0 !important;
    border-top: 3px solid #2c5aa0 !important; 
    box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(44,90,160,0.08) !important; 
    width: 240px !important; 
    z-index: 1001 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-15px) scale(0.98) !important; 
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) !important; 
    padding: 8px 0 !important;
    margin: 0 !important;
    display: block !important;
    flex-direction: column !important;
    list-style: none !important;
    border-radius: 8px !important; 
    backdrop-filter: blur(10px) !important; 
}
header .nav-item:hover .dropdown-menu,
header .nav-item:hover ul,
.nav-container .nav-item:hover .dropdown-menu,
.nav-container .nav-item:hover ul {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
}
header .dropdown-menu li,
header .nav-item ul li,
header nav ul ul li,
.nav-container .dropdown-menu li,
.nav-container .nav-item ul li,
.nav-container nav ul ul li {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    float: none !important;
    background: transparent !important;
    flex: none !important;
    position: relative !important;
    overflow: hidden !important;
}
header .dropdown-menu li:not(:last-child),
header .nav-item ul li:not(:last-child),
.nav-container .dropdown-menu li:not(:last-child),
.nav-container .nav-item ul li:not(:last-child) {
    border-bottom: 1px solid rgba(224, 224, 224, 0.3) !important;
}
header .dropdown-menu a,
header .nav-item ul a,
header nav ul ul a,
.nav-container .dropdown-menu a,
.nav-container .nav-item ul a,
.nav-container nav ul ul a {
    display: block !important;
    width: 100% !important;
    padding: 14px 20px !important; 
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    text-align: left !important;
    background: transparent !important;
    border: none !important;
    height: auto !important;
    line-height: 1.5 !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important; 
    margin: 0 !important;
    transform: none !important;
    border-radius: 0 !important;
    position: relative !important;
    font-weight: 400 !important;
    letter-spacing: 0.3px !important;
}
header .dropdown-menu a:before,
header .nav-item ul a:before,
.nav-container .dropdown-menu a:before,
.nav-container .nav-item ul a:before {
    content: "•" !important;
    color: #2c5aa0 !important;
    font-size: 12px !important;
    margin-right: 8px !important;
    opacity: 0 !important;
    transition: opacity 0.3s ease !important;
}
header .dropdown-menu a:hover,
header .nav-item ul a:hover,
.nav-container .dropdown-menu a:hover,
.nav-container .nav-item ul a:hover {
    background: linear-gradient(135deg, rgba(44,90,160,0.08) 0%, rgba(44,90,160,0.05) 100%) !important;
    color: #2c5aa0 !important;
    padding-left: 20px !important; 
    transform: translateX(4px) !important; 
    font-weight: 500 !important;
}
header .dropdown-menu a:hover:before,
header .nav-item ul a:hover:before,
.nav-container .dropdown-menu a:hover:before,
.nav-container .nav-item ul a:hover:before {
    opacity: 1 !important;
}
header .dropdown-menu a.active,
header .nav-item ul a.active,
.nav-container .dropdown-menu a.active,
.nav-container .nav-item ul a.active {
    background: linear-gradient(135deg, rgba(44,90,160,0.15) 0%, rgba(44,90,160,0.1) 100%) !important;
    color: #2c5aa0 !important;
    font-weight: 600 !important;
    border-left: 3px solid #2c5aa0 !important;
    padding-left: 17px !important; 
}
header .dropdown-menu a.active:before,
header .nav-item ul a.active:before,
.nav-container .dropdown-menu a.active:before,
.nav-container .nav-item ul a.active:before {
    opacity: 1 !important;
    color: #2c5aa0 !important;
}
header .dropdown-menu a:after,
header .nav-item ul a:after,
.nav-container .dropdown-menu a:after,
.nav-container .nav-item ul a:after {
    content: "›" !important;
    position: absolute !important;
    right: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: #ccc !important;
    font-size: 16px !important;
    opacity: 0 !important;
    transition: all 0.3s ease !important;
}
header .dropdown-menu a:hover:after,
header .nav-item ul a:hover:after,
.nav-container .dropdown-menu a:hover:after,
.nav-container .nav-item ul a:hover:after {
    opacity: 1 !important;
    color: #2c5aa0 !important;
    transform: translateY(-50%) translateX(2px) !important;
}
header .dropdown-menu li:first-child a,
header .nav-item ul li:first-child a,
.nav-container .dropdown-menu li:first-child a,
.nav-container .nav-item ul li:first-child a {
    border-top-left-radius: 6px !important;
    border-top-right-radius: 6px !important;
}
header .dropdown-menu li:last-child a,
header .nav-item ul li:last-child a,
.nav-container .dropdown-menu li:last-child a,
.nav-container .nav-item ul li:last-child a {
    border-bottom-left-radius: 6px !important;
    border-bottom-right-radius: 6px !important;
}
*[class*="dropdown"] ul,
*[class*="nav"] ul ul,
ul[class*="dropdown"],
.dropdown-menu,
.nav-item ul,
.main-nav ul ul,
nav ul ul,
header ul ul,
.nav-container ul ul {
    background: linear-gradient(145deg, #ffffff 90%, #fafafa 100%) !important;
    border: 1px solid #e0e0e0 !important;
    border-top: 3px solid #2c5aa0 !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(44,90,160,0.08) !important;
    border-radius: 8px !important;
    backdrop-filter: blur(10px) !important;
    position: absolute !important;
    z-index: 1001 !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    min-width: 240px !important;
    display: none !important;
}
*[class*="dropdown"] li,
*[class*="nav"] ul ul li,
ul[class*="dropdown"] li,
.dropdown-menu li,
.nav-item ul li,
.main-nav ul ul li,
nav ul ul li,
header ul ul li,
.nav-container ul ul li {
    background: transparent !important;
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    float: none !important;
    position: relative !important;
    overflow: hidden !important;
}
*[class*="dropdown"] a,
*[class*="nav"] ul ul a,
ul[class*="dropdown"] a,
.dropdown-menu a,
.nav-item ul a,
.main-nav ul ul a,
nav ul ul a,
header ul ul a,
.nav-container ul ul a {
    display: block !important;
    width: 100% !important;
    padding: 14px 20px !important;
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    text-align: left !important;
    background: rgba(255, 255, 255, 0.8) !important; 
    border: none !important;
    height: auto !important;
    line-height: 1.5 !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
    margin: 0 !important;
    transform: none !important;
    border-radius: 0 !important;
    position: relative !important;
    font-weight: 400 !important;
    letter-spacing: 0.3px !important;
}
*[class*="dropdown"] li:not(:last-child),
*[class*="nav"] ul ul li:not(:last-child),
ul[class*="dropdown"] li:not(:last-child),
.dropdown-menu li:not(:last-child),
.nav-item ul li:not(:last-child),
.main-nav ul ul li:not(:last-child),
nav ul ul li:not(:last-child),
header ul ul li:not(:last-child),
.nav-container ul ul li:not(:last-child) {
    border-bottom: 1px solid rgba(224, 224, 224, 0.3) !important;
}
.nav-item:hover ul,
.nav-item:hover .dropdown-menu,
li:hover ul,
li:hover .dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
}
*[class*="dropdown"] a:hover,
*[class*="nav"] ul ul a:hover,
ul[class*="dropdown"] a:hover,
.dropdown-menu a:hover,
.nav-item ul a:hover,
.main-nav ul ul a:hover,
nav ul ul a:hover,
header ul ul a:hover,
.nav-container ul ul a:hover {
    background: linear-gradient(135deg, rgba(44,90,160,0.15) 0%, rgba(44,90,160,0.1) 100%) !important;
    color: #2c5aa0 !important;
    padding-left: 20px !important;
    transform: translateX(4px) !important;
    font-weight: 500 !important;
}
*[class*="dropdown"] a.active,
*[class*="nav"] ul ul a.active,
ul[class*="dropdown"] a.active,
.dropdown-menu a.active,
.nav-item ul a.active,
.main-nav ul ul a.active,
nav ul ul a.active,
header ul ul a.active,
.nav-container ul ul a.active {
    background: linear-gradient(135deg, rgba(44,90,160,0.25) 0%, rgba(44,90,160,0.15) 100%) !important;
    color: #2c5aa0 !important;
    font-weight: 600 !important;
    border-left: 3px solid #2c5aa0 !important;
    padding-left: 17px !important;
}
ul.dropdown-menu {
    background: #ffffff !important;
    border: 2px solid #2c5aa0 !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15) !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 240px !important;
    z-index: 1001 !important;
    padding: 8px 0 !important;
    margin: 0 !important;
    list-style: none !important;
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-15px) scale(0.98) !important;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}
ul.dropdown-menu li {
    background: #ffffff !important;
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    border-bottom: 1px solid #e0e0e0 !important;
}
ul.dropdown-menu li:last-child {
    border-bottom: none !important;
}
ul.dropdown-menu li a {
    display: block !important;
    width: 100% !important;
    padding: 12px 20px !important;
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    background: #ffffff !important;
    border: none !important;
    text-align: left !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
}
ul.dropdown-menu li a:hover {
    background: #f0f8ff !important;
    color: #2c5aa0 !important;
    padding-left: 24px !important;
}
ul.dropdown-menu li a.active {
    background: #e6f3ff !important;
    color: #2c5aa0 !important;
    font-weight: 600 !important;
    border-left: 3px solid #2c5aa0 !important;
    padding-left: 17px !important;
}
.nav-item:hover ul.dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1) !important;
}
.nav-container ul.dropdown-menu,
.main-nav ul.dropdown-menu,
header ul.dropdown-menu,
nav ul.dropdown-menu {
    background: #ffffff !important;
    border: 2px solid #2c5aa0 !important;
}
.nav-container ul.dropdown-menu li,
.main-nav ul.dropdown-menu li,
header ul.dropdown-menu li,
nav ul.dropdown-menu li {
    background: #ffffff !important;
}
.nav-container ul.dropdown-menu li a,
.main-nav ul.dropdown-menu li a,
header ul.dropdown-menu li a,
nav ul.dropdown-menu li a {
    background: #ffffff !important;
    color: #333333 !important;
}
.nav-container ul.dropdown-menu li a:hover,
.main-nav ul.dropdown-menu li a:hover,
header ul.dropdown-menu li a:hover,
nav ul.dropdown-menu li a:hover {
    background: #f0f8ff !important;
    color: #2c5aa0 !important;
}
@media (max-width: 768px) {
    .background-selector {
        top: 70px;
        right: 10px;
        padding: 10px;
    }
    .bg-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    .bg-option {
        width: 35px;
        height: 35px;
    }
}