/* ========================================
   环亚实验室 - 组件样式合并文件
   HY-LAB Custom Components Styles (Merged)
   包含：导航栏、面包屑、侧边栏导航、公共标题
   ======================================== */

/* ========================================
   1. 导航栏组件 (navbar-enhanced.css)
   ======================================== */
.head_nav_met_16_5_6 {
    position: relative;
    z-index: 1000;
}

.head_nav_met_16_5_6 .nav-top {
    background: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0,102,204,0.08) !important;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0,102,204,0.1);
}

.met-head.navbar-fixed-top {
    box-shadow: 0 4px 16px rgba(0,102,204,0.12) !important;
    background: rgba(255,255,255,0.98) !important;
    backdrop-filter: blur(10px);
}

.head_nav_met_16_5_6 .met-logo {
    transition: transform 0.3s ease;
}

.head_nav_met_16_5_6 .met-logo:hover {
    transform: scale(1.05);
}

.head_nav_met_16_5_6 .fullnav {
    background: transparent !important;
}

.head_nav_met_16_5_6 .navlist {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin: 0;
    padding: 18px 0;
}

.head_nav_met_16_5_6 .navlist > li {
    float: none !important;
    display: flex;
    align-items: center;
}

.head_nav_met_16_5_6 .navlist .nav-item a.nav-link {
    color: #333333 !important;
    font-weight: 600 !important;
    font-size: 15px !important;
    padding: 12px 22px !important;
    border-radius: 25px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    background: transparent !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    height: auto !important;
    vertical-align: middle !important;
}

.head_nav_met_16_5_6 .navlist .nav-item a.nav-link::after {
    display: none !important;
}

.head_nav_met_16_5_6 .navlist .nav-item:hover a.nav-link {
    color: #ffffff !important;
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0,102,204,0.3) !important;
}

.head_nav_met_16_5_6 .navlist .nav-item a.nav-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%) !important;
    box-shadow: 0 2px 8px rgba(0,102,204,0.25) !important;
}

/* 下拉菜单优化 */
.head_nav_met_16_5_6 .dropdown-menu {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%) !important;
    border: none !important;
    border-radius: 18px !important;
    box-shadow: 0 18px 40px rgba(15, 76, 129, 0.28), 0 0 0 1px rgba(0, 102, 204, 0.1) !important;
    padding: 14px 12px !important;
    padding-top: 20px !important;
    min-width: 220px !important;
    overflow: hidden;
    backdrop-filter: blur(6px);
}

.head_nav_met_16_5_6 .nav-item.dropdown > .dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
    pointer-events: auto;
    z-index: -1;
}

.head_nav_met_16_5_6 .dropdown-item,
.head_nav_met_16_5_6 .dropdown-menu a {
    color: #ffffff !important;
    padding: 12px 18px !important;
    border-radius: 999px !important;
    margin: 4px 2px !important;
    transition: all 0.3s ease !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    background: rgba(255, 255, 255, 0.15) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    line-height: 1 !important;
    height: auto !important;
    vertical-align: middle !important;
    width: 100% !important;
}

.head_nav_met_16_5_6 .dropdown-item span,
.head_nav_met_16_5_6 .dropdown-menu a span {
    color: #ffffff !important;
}

.head_nav_met_16_5_6 .dropdown-item:hover,
.head_nav_met_16_5_6 .dropdown-menu a:hover {
    color: #0066CC !important;
    background: #ffffff !important;
    transform: translateX(6px) !important;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.4) !important;
}

.head_nav_met_16_5_6 .dropdown-item:hover span,
.head_nav_met_16_5_6 .dropdown-menu a:hover span {
    color: #0066CC !important;
}

.head_nav_met_16_5_6 .dropdown-item.active,
.head_nav_met_16_5_6 .dropdown-menu a.active {
    background: #ffffff !important;
    color: #0066CC !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.5) !important;
}

.head_nav_met_16_5_6 .dropdown-item.active span,
.head_nav_met_16_5_6 .dropdown-menu a.active span {
    color: #0066CC !important;
}

/* 移动端优化 */
@media (max-width: 991px) {
    .head_nav_met_16_5_6 .navbar-collapse {
        background: #ffffff;
        border-radius: 12px;
        margin-top: 10px;
        padding: 15px;
        box-shadow: 0 4px 16px rgba(0,102,204,0.15);
    }
    
    .head_nav_met_16_5_6 .navlist .nav-item {
        margin: 5px 0 !important;
    }
}

@media (max-width: 767px) {
    .head_nav_met_16_5_6 .nav-top {
        height: auto !important;
        min-height: 60px;
        padding: 10px 0;
    }
}

/* ========================================
   2. 面包屑导航 (breadcrumb-modern.css)
   ======================================== */
.subcolumn_nav_met_11_3 {
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 100%);
    border-bottom: 1px solid #e8f0fe;
    padding: 20px 0;
    margin-bottom: 0;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location {
    float: left;
    font-size: 14px;
    padding: 15px 0;
    width: 50%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location li {
    display: inline-flex;
    align-items: center;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location .location {
    color: #666666 !important;
    font-weight: 500;
    margin-right: 4px;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location a {
    color: #0066CC !important;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location a:hover {
    color: #ffffff !important;
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location .fa-angle-right {
    padding: 0 8px !important;
    color: #999999 !important;
    font-size: 12px;
}

.subcolumn_nav_met_11_3 .subcolumn-nav-location li:last-child a {
    color: #333333 !important;
    font-weight: 600;
    pointer-events: none;
}

@media (max-width: 767px) {
    .subcolumn_nav_met_11_3 {
        padding: 15px 0;
    }
    
    .subcolumn_nav_met_11_3 .subcolumn-nav-location {
        width: 100%;
        padding: 10px 0;
        font-size: 12px;
    }
}

/* ========================================
   3. 侧边栏导航椭圆形样式 (subcolumn-nav-oval.css)
   ======================================== */
.subcolumn_nav_met_11_3_7-ul > li > a.link,
.subcolumn_nav_met_11_3_7 ul > li > a.link,
[class*="subcolumn_nav_met_11_3"] ul > li > a.link {
    border-radius: 999px !important;
    transition: all .3s ease !important;
}

.subcolumn_nav_met_11_3_7-ul > li .dropdown-menu .dropdown-item,
.subcolumn_nav_met_11_3_7 ul > li .dropdown-menu .dropdown-item,
[class*="subcolumn_nav_met_11_3"] .dropdown-menu .dropdown-item {
    border-radius: 999px !important;
    margin: 4px 0 !important;
    padding: 6px 16px !important;
    transition: all .3s ease !important;
}

/* ========================================
   4. 统一板块标题样式 (common-section-titles.css)
   ======================================== */
.hylab-title-container {
    text-align: center;
    margin-bottom: 70px !important;
    padding-bottom: 0 !important;
    position: relative;
}

.hylab-section-title {
    font-size: 48px !important;
    font-weight: 800 !important;
    color: #212121 !important;
    margin: 0 auto 10px auto !important;
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, #212121 0%, #424242 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

.hylab-section-title:hover {
    transform: translateY(-3px);
    background: var(--hylab-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hylab-section-title::after {
    content: '' !important;
    position: absolute;
    bottom: -8px;
    left: 50% !important;
    transform: translateX(-50%);
    width: 0 !important;
    height: 4px !important;
    background: var(--hylab-gradient-primary) !important;
    background-size: 200% 100% !important;
    border-radius: 2px;
    animation: hylab-slideLineIn 0.8s ease forwards, hylab-gradientMove 2s linear infinite;
    animation-delay: 0.3s, 1.1s;
}

.hylab-section-subtitle {
    font-size: 18px !important;
    color: #666666 !important;
    margin: 10px 0 0 0 !important;
    padding: 0 !important;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block !important;
    line-height: 1.8;
}

/* 响应式 */
@media (max-width: 1199px) {
    .hylab-section-title {
        font-size: 42px !important;
    }
}

@media (max-width: 991px) {
    .hylab-title-container {
        margin-bottom: 50px !important;
    }
    
    .hylab-section-title {
        font-size: 36px !important;
    }
    
    .hylab-section-subtitle {
        font-size: 16px !important;
    }
}

@media (max-width: 767px) {
    .hylab-title-container {
        margin-bottom: 40px !important;
    }
    
    .hylab-section-title {
        font-size: 32px !important;
    }
    
    .hylab-section-subtitle {
        font-size: 14px !important;
    }
}