body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 40px 20px;
            background-color: #e0e5ec;
            min-height: 100vh;
        }

        .container {
            max-width: 600px;
            margin: 0 auto;
            background-color: #e0e5ec;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 10px 10px 20px #b8bcc2, -10px -10px 20px #ffffff;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 6px 6px 12px #b8bcc2, -6px -6px 12px #ffffff;
            margin-bottom: 15px;
        }

        h3 {
            color: #333;
            background-color: #e0e5ec;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 4px 4px 8px #b8bcc2, -4px -4px 8px #ffffff;
            margin-top: 20px;
        }

        p {
            color: #555;
            background-color: #e0e5ec;
            padding: 12px 15px;
            border-radius: 10px;
            box-shadow: inset 2px 2px 4px #b8bcc2, inset -2px -2px 4px #ffffff;
            margin: 10px 0;
            line-height: 1.6;
        }

        .button {
            background-color: #e0e5ec;
            border: none;
            color: #4CAF50;
            padding: 12px 24px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 4px 2px;
            cursor: pointer;
            border-radius: 12px;
            box-shadow: 5px 5px 10px #b8bcc2, -5px -5px 10px #ffffff;
            transition: all 0.2s ease;
        }

        .button:hover {
            box-shadow: 3px 3px 6px #b8bcc2, -3px -3px 6px #ffffff;
        }

        .button:active {
            box-shadow: inset 3px 3px 6px #b8bcc2, inset -3px -3px 6px #ffffff;
        }

        .button-group {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            display: flex;
            justify-content: space-around;
            background-color: #e0e5ec;
            padding: 15px 0;
            box-shadow: 0 -5px 15px #b8bcc2;
        }

        .bottom-buttons {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            background-color: #e0e5ec;
            padding: 15px 10px;
            box-shadow: 0 -5px 15px #b8bcc2;
            z-index: 1000;
        }

        .bottom-subtitle {
            color: #ff6b6b;
            font-size: 14px;
            font-weight: bold;
            margin: 0;
            padding: 0;
            background: none;
            box-shadow: none;
        }

        .bottom-buttons .button-row {
            display: flex;
            gap: 15px;
        }

        .bottom-button {
            background: linear-gradient(145deg, #ffffff, #d1d5db);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 4px 4px 10px #b8bcc2, -4px -4px 10px #ffffff;
            transition: all 0.2s ease;
            text-decoration: none;
            padding: 12px 18px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: bold;
            text-align: center;
            border: 2px solid transparent;
        }

        .bottom-button.whatsapp {
            color: #ffffff;
            background: linear-gradient(145deg, #25D366, #128C7E);
            border-color: #25D366;
        }

        .bottom-button.wechat {
            color: #ffffff;
            background: linear-gradient(145deg, #07C160, #06ad50);
            border-color: #07C160;
        }

        .bottom-button.line {
            color: #ffffff;
            background: linear-gradient(145deg, #00B900, #00a500);
            border-color: #00B900;
        }

        .bottom-button:hover {
            transform: scale(1.05);
            box-shadow: 6px 6px 15px #b8bcc2, -6px -6px 15px #ffffff;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .bottom-button {
            animation: bounce 1.5s ease-in-out infinite;
        }

        .bottom-button:nth-child(2) {
            animation-delay: 0.2s;
        }