/* ============================================
   现代化导航栏样式 - DNA生物科技云平台
   生物医药配色方案：深蓝 + 青绿 + 生命绿
   修复版 v3.3 - 彻底修复滚动闪烁问题
   方案：移除滚动时的背景变化，只保留阴影变化
   ============================================ */

/* ============ 导航栏主体 ============ */
#main-navbar {
    /* 固定背景，滚动时不做任何背景变化 */
    background: linear-gradient(135deg, #0a1628 0%, #0d2137 50%, #0f2847 100%);
    border: none;
    border-radius: 0;
    margin-bottom: 0;
    padding: 0 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    min-height: 65px;
    /* 只对box-shadow做过渡，避免闪烁 */
    transition: box-shadow 0.3s ease;
}

/* 滚动时只改变阴影强度，不改变背景 */
#main-navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* ============ Logo/品牌 ============ */
#main-navbar .navbar-brand {
    color: #fff !important;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 20px 15px 20px 20px;
    background: linear-gradient(90deg, #00E676 0%, #00BFA5 50%, #00B8D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
}

#main-navbar .navbar-brand::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 30px;
    background: linear-gradient(180deg, #00E676, #00BFA5, #00B8D4);
    border-radius: 3px;
}

#main-navbar .navbar-brand::after {
    display: none !important;
}

#main-navbar .navbar-brand:hover {
    opacity: 0.9;
}

/* ============ 导航容器布局 ============ */
#main-navbar .container-fluid {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#main-navbar .navbar-collapse {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    flex: 1;
}

#main-navbar .navbar-nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    margin: 0;
}

#main-navbar .navbar-nav:not(.navbar-right) {
    flex: 0 0 auto;
}

#main-navbar .navbar-right {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    margin-left: auto !important;
    margin-right: 0 !important;
    float: none !important;
}

/* ============ 导航链接 - 重置所有伪元素 ============ */
#main-navbar .navbar-nav > li {
    float: none;
    display: inline-block;
    position: relative;
}

#main-navbar .navbar-nav > li > a {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 14px;
    font-weight: 500;
    padding: 22px 14px;
    transition: color 0.3s ease, background-color 0.3s ease;
    position: relative;
    letter-spacing: 0.5px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    background: transparent !important;
}

#main-navbar .navbar-nav > li > a::before,
#main-navbar .navbar-nav > li > a::after {
    display: none !important;
    content: none !important;
}

#main-navbar .navbar-nav > li > a i.fa {
    margin-right: 5px;
    font-size: 14px;
    color: #00BFA5;
    -webkit-text-fill-color: #00BFA5;
}

/* 悬停下划线 - 仅普通链接 */
#main-navbar .navbar-nav > li:not(.show-product-item):not(.dropdown):not(.weather-item) > a::after {
    content: '' !important;
    display: block !important;
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00E676, #00BFA5);
    border-radius: 1px;
    transition: width 0.3s ease;
}


#main-navbar .navbar-right > li > a.btn-login::after,
#main-navbar .navbar-right > li > a.btn-register::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
    background: none !important;
}

#main-navbar .navbar-nav > li:not(.show-product-item):not(.dropdown):not(.weather-item) > a:hover::after {
    width: 50%;
}

#main-navbar .navbar-nav > li > a:hover {
    color: #fff !important;
    background: rgba(0, 230, 118, 0.1) !important;
}

/* ============ 关键修复：下拉菜单打开时父级链接背景 ============ */
#main-navbar .navbar-nav > li.dropdown.open > a,
#main-navbar .navbar-nav > li.dropdown.open > a:hover,
#main-navbar .navbar-nav > li.dropdown.open > a:focus,
#main-navbar .navbar-right > li.dropdown.open > a,
#main-navbar .navbar-right > li.dropdown.open > a:hover,
#main-navbar .navbar-right > li.dropdown.open > a:focus,
#main-navbar .nav > li > a:focus,
#main-navbar .nav > li > a:hover,
#main-navbar .navbar-nav > .open > a,
#main-navbar .navbar-nav > .open > a:focus,
#main-navbar .navbar-nav > .open > a:hover {
    background: rgba(0, 230, 118, 0.15) !important;
    background-color: rgba(0, 230, 118, 0.15) !important;
    color: #fff !important;
}

/* 用户下拉菜单打开时的样式 */
#main-navbar .navbar-right > li.user-dropdown.open > a,
#main-navbar .navbar-right > li.user-dropdown.open > a:hover,
#main-navbar .navbar-right > li.user-dropdown.open > a:focus {
    background: rgba(0, 230, 118, 0.15) !important;
    background-color: rgba(0, 230, 118, 0.15) !important;
    color: #fff !important;
}

/* 系统通知下拉菜单打开时的样式 */
#main-navbar .navbar-right > li.dropdown.open > a#system-notice,
#main-navbar .navbar-right > li.dropdown.open > a#system-notice:hover,
#main-navbar .navbar-right > li.dropdown.open > a#system-notice:focus {
    background: rgba(0, 230, 118, 0.15) !important;
    background-color: rgba(0, 230, 118, 0.15) !important;
    color: #fff !important;
}

/* ============ 产品介绍下拉 - 完全重写 ============ */
#main-navbar .navbar-nav > li.show-product-item {
    position: relative;
}

#main-navbar .navbar-nav > li.show-product-item > a {
    display: inline-flex;
    align-items: center;
    background: transparent !important;
}

/* 清除产品介绍的所有伪元素 */
#main-navbar .navbar-nav > li.show-product-item > a::before,
#main-navbar .navbar-nav > li.show-product-item > a::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
}

#main-navbar .show-product-item > a i.fa-caret-up,
#main-navbar .show-product-item > a i.fa-caret-down {
    transition: transform 0.3s ease;
    -webkit-text-fill-color: currentColor;
    color: inherit;
    margin-left: 3px;
    margin-right: 0;
    font-size: 12px;
}

/* ============ 产品下拉容器 ============ */
.product-container {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1001;
    margin-top: 0;
    /* 白色面板 - 和深色导航栏形成对比 */
    background: #ffffff;
    border: none;
    border-radius: 16px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 0;
    min-width: 660px;
    overflow: hidden;
}

.product-container::before,
.product-container::after {
    display: none !important;
    content: none !important;
}

#main-navbar .show-product-item:hover > .product-container {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.product-wrap {
    width: 100%;
    padding: 0;
}

.product-wrap::before,
.product-wrap::after {
    display: none !important;
}

/* ============ 右侧导航项 ============ */
#main-navbar .navbar-right > li {
    float: none;
    display: inline-block;
}

/* 天气显示 */
#main-navbar .navbar-right > li.weather-item > a {
    display: inline-flex;
    align-items: center;
    padding: 20px 12px;
    gap: 8px;
    background: transparent !important;
}

#main-navbar .navbar-right > li.weather-item > a::before,
#main-navbar .navbar-right > li.weather-item > a::after {
    display: none !important;
}

#main-navbar .navbar-right .city {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

#main-navbar .navbar-right .sub-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

#main-navbar .navbar-right .temperature {
    color: #00E676;
    font-weight: 600;
}

#main-navbar .navbar-right .whether {
    color: #FFD54F !important;
}

/* ============ 系统通知 ============ */
#main-navbar .navbar-right > li.dropdown > a#system-notice {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 20px 14px;
    background: transparent !important;
}

#main-navbar .navbar-right > li.dropdown > a#system-notice::before,
#main-navbar .navbar-right > li.dropdown > a#system-notice::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
    background: none !important;
}

/* new 标签 */
.mine-tag.mine-new {
    position: absolute !important;
    top: 8px !important;
    right: 2px !important;
    left: auto !important;
    bottom: auto !important;
    background: linear-gradient(135deg, #FF5252, #FF1744) !important;
    color: #fff !important;
    font-size: 10px !important;
    font-weight: 600 !important;
    padding: 2px 6px !important;
    border-radius: 8px !important;
    line-height: 1.2 !important;
    white-space: nowrap !important;
    animation: pulse 2s infinite;
    min-width: auto !important;
    max-width: 40px !important;
    width: auto !important;
    height: auto !important;
    min-height: auto !important;
    max-height: 20px !important;
    display: inline-block !important;
    box-sizing: content-box !important;
    transform: none !important;
    margin: 0 !important;
    z-index: 10 !important;
}

#main-navbar .mine-tag.mine-new::before,
#main-navbar .mine-tag.mine-new::after {
    display: none !important;
    content: none !important;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============ 用户信息下拉 ============ */
#main-navbar .navbar-right > li.user-dropdown > a {
    display: inline-flex !important;
    flex-direction: row !important;
    align-items: center !important;
    padding: 15px 14px;
    gap: 8px;
    background: transparent !important;
}

#main-navbar .navbar-right > li.user-dropdown > a::before,
#main-navbar .navbar-right > li.user-dropdown > a::after {
    display: none !important;
    content: none !important;
}

#main-navbar .navbar-right .dropdown > a .img-circle {
    width: 32px !important;
    height: 32px !important;
    border: 2px solid rgba(0, 230, 118, 0.4);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative !important;
    top: auto !important;
    margin: 0 !important;
    flex-shrink: 0;
}

#main-navbar .navbar-right .dropdown:hover > a .img-circle,
#main-navbar .navbar-right .dropdown.open > a .img-circle {
    border-color: #00E676;
    box-shadow: 0 0 12px rgba(0, 230, 118, 0.4);
}

/* 用户名样式 */
#main-navbar .navbar-right > li.user-dropdown > a .username {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============ 下拉菜单 ============ */
#main-navbar .dropdown-menu {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.98) 0%, rgba(13, 33, 55, 0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 230, 118, 0.15);
    border-radius: 10px;
    padding: 8px 0;
    margin-top: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    min-width: 160px;
    animation: dropdownFade 0.3s ease;
}

#main-navbar .dropdown-menu::before,
#main-navbar .dropdown-menu::after {
    display: none !important;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

#main-navbar .dropdown-menu > li > a {
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 10px 18px;
    font-size: 13px;
    transition: background-color 0.3s ease, color 0.3s ease, padding-left 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent !important;
}

#main-navbar .dropdown-menu > li > a::before {
    font-family: 'FontAwesome';
    font-size: 13px;
    color: #00E676;
    width: 18px;
    display: inline-block;
}

#main-navbar .dropdown-menu > li > a::after {
    display: none !important;
    content: none !important;
}

#main-navbar .dropdown-menu > li > a:hover,
#main-navbar .dropdown-menu > li > a:focus {
    background: rgba(0, 230, 118, 0.1) !important;
    color: #fff !important;
    padding-left: 22px;
}

#main-navbar .dropdown-menu > li:nth-child(1) > a::before { content: '\f007'; }
#main-navbar .dropdown-menu > li:nth-child(2) > a::before { content: '\f085'; }
#main-navbar .dropdown-menu > li:nth-child(3) > a::before { content: '\f0e0'; }
#main-navbar .dropdown-menu > li:nth-child(4) > a::before { content: '\f07b'; }
#main-navbar .dropdown-menu > li:last-child > a::before { content: '\f08b'; }

#main-navbar .dropdown-menu .divider {
    background: rgba(0, 230, 118, 0.15);
    margin: 6px 12px;
    height: 1px;
}

/* ============ 版本号标签 ============ */
.version-tag {
    display: inline-block;
    background: linear-gradient(135deg, #00E676 0%, #00BFA5 100%);
    color: #0a1628 !important;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 5px;
    vertical-align: middle;
    -webkit-text-fill-color: #0a1628;
}

.version-tag::before,
.version-tag::after {
    display: none !important;
}

/* ============ 登录/注册/关于我们按钮 ============ */
#main-navbar .navbar-right > li > a.btn-login,
#main-navbar .navbar-right > li > a.btn-register,
#main-navbar .navbar-right > li > a.btn-about {
    white-space: nowrap;
}

#main-navbar .navbar-right > li > a.btn-login::before,
#main-navbar .navbar-right > li > a.btn-login::after,
#main-navbar .navbar-right > li > a.btn-register::before,
#main-navbar .navbar-right > li > a.btn-register::after,
#main-navbar .navbar-right > li > a.btn-about::before,
#main-navbar .navbar-right > li > a.btn-about::after {
    display: none !important;
    content: none !important;
}

/*#main-navbar .navbar-right > li > a.btn-login:hover {*/
/*    text-decoration: none !important; !* ← 再次确保 hover 也不出现 *!*/
/*}*/


#main-navbar .navbar-right > li > a.btn-login {
    background: transparent !important;
    border: 2px solid rgba(0, 230, 118, 0.5);
    color: #00E676 !important;
    padding: 8px 20px !important;
    border-radius: 20px;
    margin: 12px 4px;
    -webkit-text-fill-color: #00E676;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
     text-decoration: none !important;
}

#main-navbar .navbar-right > li > a.btn-login:hover {
    background: rgba(0, 230, 118, 0.1) !important;
    border-color: #00E676;
    color: #fff !important;
    -webkit-text-fill-color: #fff;
     /*text-decoration: none !important;  !* ← 添加这行 *!*/
}

/*#main-navbar .navbar-right > li > a.btn-login:hover,*/
/*#main-navbar .navbar-right > li > a.btn-login:focus,*/
/*#main-navbar .navbar-right > li > a.btn-login:active {*/
/*    text-decoration: none !important;*/
/*}*/



#main-navbar .navbar-right > li > a.btn-login i {
    color: #00E676;
    -webkit-text-fill-color: #00E676;
}

#main-navbar .navbar-right > li > a.btn-login:hover i {
    color: #fff;
    -webkit-text-fill-color: #fff;
}

#main-navbar .navbar-right > li > a.btn-register {
    background: linear-gradient(135deg, #00E676 0%, #00BFA5 100%) !important;
    border: none;
    color: #0a1628 !important;
    padding: 10px 22px !important;
    border-radius: 20px;
    margin: 12px 4px;
    box-shadow: 0 4px 15px rgba(0, 230, 118, 0.3);
    -webkit-text-fill-color: #0a1628;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#main-navbar .navbar-right > li > a.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 230, 118, 0.4);
}

#main-navbar .navbar-right > li > a.btn-register i {
    color: #0a1628;
    -webkit-text-fill-color: #0a1628;
}

#main-navbar .navbar-right > li > a.btn-about {
    margin-left: 10px;
    color: rgba(255, 255, 255, 0.85) !important;
    -webkit-text-fill-color: rgba(255, 255, 255, 0.85);
    background: transparent !important;
    transition: color 0.3s ease, background-color 0.3s ease;
}

#main-navbar .navbar-right > li > a.btn-about:hover {
    color: #fff !important;
    -webkit-text-fill-color: #fff;
    background: rgba(0, 230, 118, 0.1) !important;
}

#main-navbar .navbar-right > li > a.btn-about i {
    color: #00BFA5;
    -webkit-text-fill-color: #00BFA5;
}

/* ============ 移动端汉堡菜单 ============ */
#main-navbar .navbar-toggle {
    border: 2px solid rgba(0, 230, 118, 0.5);
    border-radius: 6px;
    margin-top: 15px;
    padding: 10px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

#main-navbar .navbar-toggle:hover,
#main-navbar .navbar-toggle:focus {
    background: rgba(0, 230, 118, 0.1);
    border-color: #00E676;
}

#main-navbar .navbar-toggle .icon-bar {
    background: #00E676;
    height: 2px;
    border-radius: 1px;
}

/* ============ 侧边栏 ============ */
.sidebar {
    position: fixed !important;
    right: 20px;
    top: 50% !important;
    transform: translateY(-50%) !important;
    z-index: 999;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.95) 0%, rgba(13, 33, 55, 0.95) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 12px 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 230, 118, 0.15);
}

.sidebar ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar ul li {
    margin: 4px 0;
}

.sidebar ul li a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 12px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 10px;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
}

.sidebar ul li a:hover {
    background: rgba(0, 230, 118, 0.15);
    color: #fff;
}

.sidebar ul li a .iconfont {
    font-size: 20px;
    margin-bottom: 4px;
    color: #00E676;
}

.sidebar ul li a p {
    font-size: 10px;
    margin: 0;
    white-space: nowrap;
}

.sidebar ul li a .phone,
.sidebar ul li a .weixin {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.98) 0%, rgba(13, 33, 55, 0.98) 100%);
    padding: 15px;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, right 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 230, 118, 0.15);
    white-space: nowrap;
}

.sidebar ul li a:hover .phone,
.sidebar ul li a:hover .weixin {
    opacity: 1;
    visibility: visible;
    right: 80px;
}

.sidebar ul li a .phone p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin: 4px 0;
}

.sidebar ul li a .weixin img {
    border-radius: 6px;
}


.sidebar ul li a .phone {
    pointer-events: auto;      /* 允许鼠标交互 */
    user-select: text;         /* 允许文本选择 */
    cursor: default;
}

.sidebar ul li a .phone p {
    user-select: text;         /* 允许文本选择 */
    cursor: text;              /* 显示文本选择光标 */
}

.sidebar ul li a {
    -webkit-user-drag: none;
    user-drag: none;
}


/* ============ 全局重置 ============ */
#main-navbar *::before,
#main-navbar *::after {
    box-sizing: border-box;
}

/* ============ 响应式设计 ============ */
@media (max-width: 1200px) {
    #main-navbar .navbar-nav > li > a {
        padding: 22px 10px;
        font-size: 13px;
    }

    .product-container {
        min-width: 420px;
    }
}

@media (max-width: 992px) {
    #main-navbar {
        padding: 0 10px;
    }

    #main-navbar .navbar-brand {
        font-size: 16px;
        padding: 18px 10px 18px 15px;
    }

    #main-navbar .navbar-brand::before {
        width: 4px;
        height: 22px;
    }

    #main-navbar .container-fluid {
        display: block;
    }

    #main-navbar .navbar-collapse {
        display: block !important;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(10, 22, 40, 0.98) 0%, rgba(13, 33, 55, 0.98) 100%);
        border-radius: 0 0 12px 12px;
        margin: 0 -10px;
        padding: 10px 15px;
        max-height: 80vh;
        overflow-y: auto;
    }

    .product-container {
        position: static;
        transform: none;
        padding: 0;
        opacity: 1;
        visibility: visible;
        display: none;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        min-width: auto;
        border-radius: 12px;
        margin-top: 5px;
        background: #ffffff;
        border: 1px solid #eef0f4;
    }

    #main-navbar .show-product-item:hover > .product-container {
        display: block;
    }

    #main-navbar .navbar-nav {
        display: block;
    }

    #main-navbar .navbar-nav > li {
        display: block;
    }

    #main-navbar .navbar-nav > li > a {
        padding: 12px 15px;
    }

    #main-navbar .navbar-right {
        flex-direction: column;
        align-items: flex-start;
        border-top: 1px solid rgba(0, 230, 118, 0.15);
        margin-top: 10px;
        padding-top: 10px;
        display: block;
        margin-left: 0 !important;
    }

    #main-navbar .navbar-right > li {
        width: 100%;
        display: block;
    }

    #main-navbar .navbar-right > li > a.btn-login,
    #main-navbar .navbar-right > li > a.btn-register {
        margin: 8px 0;
        text-align: center;
        display: block;
    }

    .sidebar {
        right: 10px;
        padding: 8px 5px;
    }
}

@media (max-width: 480px) {
    #main-navbar .navbar-brand {
        font-size: 14px;
    }

    .sidebar {
        display: none;
    }
}

/* ============ Mega Menu 产品介绍 ============ */

/* -- 两栏布局 -- */
.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.mega-menu-col {
    padding: 26px 28px;
}

.mega-menu-col:first-child {
    border-right: 1px solid #eef0f4;
}

.mega-menu-group {
    margin-bottom: 22px;
}

.mega-menu-group:last-child {
    margin-bottom: 0;
}

/* -- 分类标题 -- */
.mega-menu-title {
    font-size: 11px;
    font-weight: 600;
    color: #8c95a6;
    margin: 0 0 10px 6px;
    padding: 0;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    display: block;
    white-space: nowrap;
}

/* -- 卡片链接 -- */
.product-container a.mega-card,
.product-container a.mega-card:link,
.product-container a.mega-card:visited {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 11px 14px;
    border-radius: 12px;
    background: transparent;
    border: 1px solid transparent;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease;
    margin-bottom: 2px;
    min-width: 0;
    cursor: pointer;
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
    box-shadow: none;
    transform: none;
}

.product-container a.mega-card:hover,
.product-container a.mega-card:focus,
.product-container a.mega-card:active {
    background: #f0f7ff;
    border-color: #d0e3f7;
    transform: none;
    box-shadow: none;
    text-decoration: none;
    color: inherit;
    outline: none;
}

.product-container a.mega-card::before,
.product-container a.mega-card::after {
    display: none !important;
    content: none !important;
}

/* -- 图标 -- */
.mega-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.product-container a.mega-card:hover .mega-card-icon {
    transform: scale(1.08);
}

.mega-card-icon.icon-cyan   { background: #e6f9ff; color: #0099cc; }
.mega-card-icon.icon-purple { background: #f3e8ff; color: #8b3fd4; }
.mega-card-icon.icon-green  { background: #e6fbef; color: #00a854; }
.mega-card-icon.icon-teal   { background: #e6f7f4; color: #009688; }
.mega-card-icon.icon-orange { background: #fff5e6; color: #e68a00; }
.mega-card-icon.icon-blue   { background: #e8f2fd; color: #2979c1; }
.mega-card-icon.icon-pink   { background: #fde8f2; color: #c9306b; }

.mega-card-icon i {
    font-size: 17px;
    color: inherit;
    margin: 0;
    display: block;
    -webkit-text-fill-color: currentColor;
}

/* -- 文字 -- */
.mega-card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.mega-card-name {
    font-size: 13.5px;
    font-weight: 600;
    color: #1a2332;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.product-container a.mega-card:hover .mega-card-name {
    color: #0d5bba;
}

.mega-card-desc {
    font-size: 12px;
    color: #8c95a6;
    line-height: 1.4;
    font-weight: 400;
}

/* -- 底部横幅 -- */
.mega-footer {
    border-top: 1px solid #eef0f4;
    padding: 14px 28px;
    background: #f8f9fb;
}

.product-container a.mega-footer-link,
.product-container a.mega-footer-link:link,
.product-container a.mega-footer-link:visited {
    display: inline-flex;
    align-items: center;
    flex-direction: row;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #00BFA5;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 8px;
    background: transparent;
    border: none;
    transition: background 0.2s ease, color 0.2s ease;
    min-width: 0;
    transform: none;
    box-shadow: none;
}

.product-container a.mega-footer-link:hover,
.product-container a.mega-footer-link:focus,
.product-container a.mega-footer-link:active {
    background: #e6f7f4;
    color: #009688;
    transform: none;
    box-shadow: none;
    text-decoration: none;
    outline: none;
}

.product-container a.mega-footer-link::before,
.product-container a.mega-footer-link::after {
    display: none !important;
    content: none !important;
}

.mega-footer-link i {
    font-size: 13px;
    color: inherit;
    margin: 0;
    -webkit-text-fill-color: currentColor;
}

.mega-footer-arrow {
    transition: transform 0.2s ease;
}

.product-container a.mega-footer-link:hover .mega-footer-arrow {
    transform: translateX(4px);
}

/* -- 响应式 -- */
@media (max-width: 992px) {
    .product-container {
        min-width: auto;
        border-radius: 12px;
    }

    .mega-menu-grid {
        grid-template-columns: 1fr;
    }

    .mega-menu-col:first-child {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mega-menu-col {
        padding: 18px 20px;
    }
}