/* ================================================================
   modern_base.css — 全站现代导航样式（全局生效）
   加载于 Head.ascx，覆盖旧 CSS
   ================================================================ */

/* ===== 全局基础 ===== */
body {
    background: #fcfbf9 !important;
    color: #3d4a3e !important;
    overflow-x: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
}

html {
    scroll-behavior: smooth !important;
}

/* ===== 导航栏容器：固定高度，防止 hover 时 logo 移位 ===== */
.header {
    overflow: visible !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(92, 115, 93, 0.10) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04) !important;
    z-index: 999999 !important;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;

    /* 锁定布局，防止 logo 在 hover 时移动 */
    display: flex !important;
    align-items: center !important;
    height: 70px !important;
    box-sizing: border-box !important;
}

.header.on,
.header.active {
    background: #ffffff !important;
    box-shadow: 0 4px 24px rgba(92, 115, 93, 0.10) !important;
}

/* ===== Logo 区域：禁止移动 ===== */
.header_logo {
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
    height: 100% !important;
}

/* logo1 默认隐藏（common.css 原有逻辑），logo2 为主显示 logo */
.header_logo .logo1 {
    display: none !important;
}

.header_logo .logo2 {
    display: block !important;
}

.header_logo img {
    vertical-align: middle !important;
    transform: none !important;
    transition: opacity 0.3s ease !important;
}

/* ===== 导航列表 ===== */
.nav {
    display: flex !important;
    align-items: center !important;
    overflow: visible !important;
    height: 100% !important;
}

.nav-item {
    position: relative !important;
    overflow: visible !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
}

/* 导航链接文字 */
.nav .nav-item>a {
    color: #2c362d !important;
    font-weight: 500 !important;
    font-size: 15px !important;
    transition: color 0.3s ease !important;
    position: relative !important;
    white-space: nowrap !important;
}

.nav .nav-item>a:hover {
    color: #5c735d !important;
}

/* 导航项悬停下划线动画 */
.nav .nav-item>a::after {
    content: '' !important;
    position: absolute !important;
    bottom: -8px !important;
    left: 50% !important;
    width: 0 !important;
    height: 2px !important;
    background: #5c735d !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    transform: translateX(-50%) !important;
    opacity: 0 !important;
}

.nav .nav-item:hover>a::after {
    width: 16px !important;
    opacity: 1 !important;
}

/* ===== 下拉菜单 ===== */
.d_drop {
    position: absolute !important;
    min-width: 180px !important;
    left: 50% !important;
    top: 100% !important;
    transform: translateX(-50%) translateY(-8px) !important;
    background: #ffffff !important;
    border-radius: 12px !important;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12) !important;
    border: 1px solid rgba(92, 115, 93, 0.08) !important;
    padding: 8px 0 !important;
    z-index: 1000000 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    display: block !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    pointer-events: none !important;
}

/* 隐形感应桥，防止鼠标移过间隙时菜单消失 */
.d_drop::before {
    content: '' !important;
    position: absolute !important;
    top: -16px !important;
    left: 0 !important;
    width: 100% !important;
    height: 16px !important;
    background: transparent !important;
}

.nav-item:hover .d_drop {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(-50%) translateY(0) !important;
    pointer-events: all !important;
}

.d_drop a {
    padding: 0 20px !important;
    text-align: left !important;
    height: 44px !important;
    line-height: 44px !important;
    color: #2c362d !important;
    font-size: 14px !important;
    display: block !important;
    transition: all 0.2s ease !important;
    margin: 2px 8px !important;
    border-radius: 8px !important;
    white-space: nowrap !important;
    background: none !important;
}

.d_drop a:hover {
    background: #f4f6f2 !important;
    color: #5c735d !important;
    padding-left: 24px !important;
}

/* ===== 搜索图标 ===== */
.header_search_icon>i {
    color: #2c362d !important;
}

/* ===== 不让旧 CSS 的 transform 破坏 header 高度 ===== */
.header_logo,
.header_right {
    flex-shrink: 0 !important;
}