/* 按钮过渡效果 */
#shareBtn {
    transition: all 0.3s ease !important;
    position: relative;
}

/* 移动端点击效果 */
@media (hover: none) {
    #shareBtn:active {
        transform: scale(0.98);
    }
}

    a{
        text-decoration:none;
        color:#007bff;
        text-decoration: none; /* 去除默认的下划线 */
	outline: none;	/* 去除旧版浏览器的点击后的外虚线框 */
    }
        /* 移动端优化 */
        @media (max-width: 480px) {
            body {
                margin: 10px;
                padding: 10px;
                background-color: #fff;
            }

            .container {
                padding: 15px;
                box-shadow: none;
                border: 1px solid #eee;
                border-radius: 8px;
            }

            h2 {
                font-size: 1.4rem;
                margin-bottom: 15px;
                margin-top: 1px;
            }

            input {
                padding: 12px;
                font-size: 16px;
                min-height: 44px;
            }

            button {
                min-height: 48px;
                font-size: 17px;
            }

            .calculation-steps {
                padding: 10px;
                margin: 10px 0;
            }

            .step {
                font-size: 0.9rem;
                padding: 10px;
                line-height: 1.4;
                margin: 8px 0;
            }

            .result-item {
                padding: 10px;
                font-size: 0.95rem;
                margin: 8px 0;
            }

            .highlight {
                font-size: 1rem;
            }

            .formula {
                display: block;
                margin-top: 6px;
                line-height: 1.3;
            }

            /* 隐藏数字输入框的旋转按钮 */
            input[type="number"] {
                -webkit-appearance: none;
                -moz-appearance: textfield;
            }

            input::-webkit-outer-spin-button,
            input::-webkit-inner-spin-button {
                -webkit-appearance: none;
            }
        }
        
        .error-message {
            color: #dc3545;
            font-size: 0.9em;
            margin-top: 5px;
            display: none;
        }
        .loading {
            position: relative;
            opacity: 0.8;
        }
        .loading::after {
            content: "计算中...";
            position: absolute;
            right: 10px;
            color: #007bff;
        }
        
        body {
            font-family: '微软雅黑', Arial, sans-serif;
            max-width: 800px;
            margin: 1% 1% 1% 1%;
            padding: 2%;
            background-color: #f5f5f5;
        }

        .container {
            background: white;
            padding: 15px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }

        .input-group {
            margin-bottom: 15px;
        }

        label {
            display: block;
            margin-bottom: 5px;
            color: #333;
            font-weight: 500;
        }

        input {
            width: 100%;
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
            margin-top: 5px;
        }

        button {
            background: #007bff;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            width: 100%;
            font-size: 16px;
            transition: background 0.3s;
        }

        button:hover {
            background: #0056b3;
        }

        #result {
            margin-top: 25px;
            display: none;
        }

        .calculation-steps {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 6px;
            margin: 15px 0;
        }

        .step {
            margin: 10px 0;
            padding: 8px;
            border-left: 3px solid #007bff;
            background-color: #fff;
        }

        .result-item {
            margin: 12px 0;
            padding: 12px;
            background: #f8f9fa;
            border-radius: 4px;
        }

        .highlight {
            color: #dc3545;
            font-weight: bold;
            font-size: 1.1em;
        }

        .formula {
            color: #666;
            font-size: 0.9em;
        }