:root {
            --primary-color-1: #8449F7;
            --primary-color-2: #ED237C;
            --bg-color: #ffffff;
            --text-color: #333333;
            --card-bg: #ffffff;
            --shadow-color: rgba(0, 0, 0, 0.1);
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --bg-color: #1a1a1a;
                --text-color: #f0f0f0;
                --card-bg: #2d2d2d;
                --shadow-color: rgba(0, 0, 0, 0.3);
            }
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            transition: all 0.3s ease;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        header {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .language-selector {
            position: absolute;
            top: 0;
            right: 0;
        }

        .lang-dropdown {
            position: relative;
            display: inline-block;
        }

        .lang-trigger {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.2rem;
            background: rgba(132, 73, 247, 0.1);
            border: none;
            border-radius: 8px;
            color: var(--text-color);
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .lang-trigger:hover {
            background: rgba(132, 73, 247, 0.2);
        }

        .lang-trigger i {
            transition: transform 0.3s ease;
        }

        .lang-dropdown:hover .lang-trigger i {
            transform: rotate(180deg);
        }

        .lang-list {
            position: absolute;
            top: 100%;
            right: 0;
            width: 150px;
            background: var(--card-bg);
            border-radius: 8px;
            box-shadow: 0 5px 15px var(--shadow-color);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 100;
            overflow: hidden;
        }

        .lang-dropdown:hover .lang-list {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .lang-option {
            display: block;
            width: 100%;
            padding: 0.8rem 1rem;
            background: transparent;
            border: none;
            color: var(--text-color);
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: left;
        }

        .lang-option:hover {
            background: rgba(132, 73, 247, 0.1);
        }

        .lang-option.active {
            background: linear-gradient(135deg, var(--primary-color-1), var(--primary-color-2));
            color: white;
        }

        h1 {
            font-size: 3rem;
            background: linear-gradient(135deg, var(--primary-color-1), var(--primary-color-2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(132, 73, 247, 0.2);
        }

        .subtitle {
            font-size: 1.2rem;
            color: var(--text-color);
            opacity: 0.8;
        }

        .cards-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px var(--shadow-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            transform-style: preserve-3d;
            perspective: 1000px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-10px) rotateX(5deg);
            box-shadow: 0 20px 40px var(--shadow-color);
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color-1), var(--primary-color-2));
        }

        .card-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--primary-color-1), var(--primary-color-2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .card-title {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--text-color);
        }

        .card-content {
            color: var(--text-color);
            opacity: 0.9;
            flex-grow: 1;
        }

        .contact-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.2rem;
            background: rgba(132, 73, 247, 0.1);
            border-radius: 50px;
            transition: all 0.3s ease;
            text-decoration: none;
            color: inherit;
            position: relative;
        }

        .contact-method:hover {
            background: rgba(132, 73, 247, 0.2);
            transform: scale(1.05);
        }

        .contact-method i {
            color: var(--primary-color-1);
        }

        /* WhatsApp 联系人下拉菜单样式 */
        .whatsapp-dropdown {
            position: relative;
            display: inline-block;
        }

        .whatsapp-contacts {
            position: absolute;
            bottom: 100%;
            left: 0;
            width: 200px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 10;
            overflow: hidden;
        }

        .whatsapp-dropdown:hover .whatsapp-contacts {
            opacity: 1;
            visibility: visible;
            transform: translateY(-10px);
        }

        .whatsapp-contact {
            display: block;
            width: 100%;
            padding: 0.8rem 1rem;
            background: transparent;
            border: none;
            color: #333;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: left;
            text-decoration: none;
        }

        .whatsapp-contact:hover {
            background: rgba(132, 73, 247, 0.1);
        }

       /* KKT 二维码样式 */
             .qrcode-popup {
                 position: absolute;
                 bottom: 100%;
                 left: 50%;
                 transform: translateX(-50%) translateY(-10px);
                 background: white;
                 border-radius: 10px;
                 padding: 0.5rem; /* 减小padding */
                 box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
                 opacity: 0;
                 visibility: hidden;
                 transition: all 0.3s ease;
                 z-index: 10;
                 width: 200px
                 text-align: center;
               }

                .qrcode-popup::after {
                   content: '';
                   position: absolute;
                   top: 100%;
                   left: 50%;
                   transform: translateX(-50%);
                   border: 10px solid transparent;
                   border-top-color: white;
}

.contact-method.kkt:hover .qrcode-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-15px);
}

.qrcode-image {
    width: 200px;
    height: 200px;
    border-radius: 5px;
    margin: 0 auto 0.5rem auto; /* 上下左右自动居中 */
    overflow: hidden;
    display: block; /* 确保margin: auto生效 */
}

.qrcode-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qrcode-text {
    font-size: 0.8rem;
    color: #666;
}

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .process-step {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: rgba(132, 73, 247, 0.05);
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .process-step:hover {
            background: rgba(132, 73, 247, 0.1);
            transform: translateX(5px);
        }

        .step-number {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color-1), var(--primary-color-2));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .time-slots {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .time-slot {
            padding: 1rem;
            background: rgba(132, 73, 247, 0.05);
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .time-slot:hover {
            background: rgba(132, 73, 247, 0.1);
            transform: scale(1.05);
        }

        .time-day {
            font-weight: bold;
            margin-bottom: 0.5rem;
        }

        .time-hours {
            color: var(--primary-color-1);
            font-weight: bold;
        }

        footer {
            text-align: center;
            margin-top: auto;
            padding: 2rem;
            color: var(--text-color);
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            
            .cards-container {
                grid-template-columns: 1fr;
            }
            
            .contact-methods {
                flex-direction: column;
            }
            
            .language-selector {
                position: relative;
                display: flex;
                justify-content: center;
                margin-bottom: 1rem;
            }
            
            .lang-dropdown {
                width: 100%;
            }
            
            .lang-trigger {
                width: 100%;
                justify-content: center;
            }
            
            .lang-list {
                width: 100%;
            }
            
            .qrcode-popup {
                left: 0;
                transform: translateY(-10px);
            }
            
            .qrcode-popup::after {
                left: 20px;
            }
            
            .contact-method.kkt:hover .qrcode-popup {
                transform: translateY(-15px);
            }
        }