@charset "utf-8";
/* CSS Document */
/* ===== 导航栏 ===== */
        .navbar {
            background: rgba(255, 255, 255, 0.80);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
            position: sticky;
            top: 0;
            z-index: 999;
            transition: background 0.5s ease;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100px;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            transition: color 0.5s ease;
        }
        .logo img {
            height: 80px;
            width: auto;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            font-weight: 500;
            font-size: 0.98rem;
        }
        .nav-links a {
            color: #334155;
            transition: color 0.3s;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease, background 0.5s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            width: 100%;
        }

        /* 下拉菜单 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 64%;
            transform: translateX(-50%) translateY(8px);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 2px;
            padding: 10px 0;
            min-width: 160px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.32);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .nav-links>li:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        .dropdown-menu li a {
            display: block;
            padding: 10px 24px;
            color: #334155;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
        }
        .dropdown-menu li a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
        }
        .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid rgba(255, 255, 255, 0.96);
        }


       /* ===== 响应式 ===== */
        @media (max-width: 992px) {



        }

        @media (max-width: 768px) {
           
            .navbar .container {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 20px;
                gap: 10px;
            }
            .nav-links {
                gap: 14px;
                font-size: 0.8rem;
                flex-wrap: wrap;
                justify-content: center;
            }
       
        }

        @media (max-width: 640px) {
           
            .dropdown-menu {
                left: 50%;
                transform: translateX(-50%) translateY(8px);
                min-width: 140px;
            }
            .nav-links>li:hover .dropdown-menu {
                transform: translateX(-50%) translateY(0);
            }

            
 
        }