@charset "utf-8";
body{color:#666;font:12px/1.232 "Microsoft Yahei",Arial,Tahoma,'宋体',Helvetica,sans-serif;border-bottom:#f3f3f3;}
body,h1,h2,h3,h4,h5,h6,hr,a,p,blockquote,dl,div,dt,dd,ul,ol,li,img,select,table,tr,fieldset,pre,form,fieldset,legend,button,input,textarea,th,td{margin:0;padding:0}
ol, ul,li {list-style:none;}
a{text-decoration:none;}
.calc-container {max-width: 550px;margin: 40px auto;padding: 30px;border: 1px solid #e2e8f0;border-radius: 16px;box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);font-family: -apple-system, sans-serif;background: #ffffff;}
.calc-header {text-align: center;margin-bottom: 25px;}
.calc-header h2 { color: #1a365d; margin: 0; font-size: 22px; }
.calc-header p { color: #718096; margin: 5px 0 0 0; font-size: 13px; }
.form-row {display: flex;gap: 15px;margin-bottom: 15px;}
.form-item { flex: 1; display: flex; flex-direction: column; }
.form-item label { font-size: 13px; color: #4a5568; margin-bottom: 6px; font-weight: 500; }
.form-item select, .form-item input {padding: 10px 12px;border: 1px solid #cbd5e0;border-radius: 8px;font-size: 14px;outline: none;transition: border 0.2s;}
.form-item select:focus, .form-item input:focus { border-color: #3182ce; }
.bill-panel {background: #f7fafc;border-radius: 10px;padding: 20px;margin-top: 25px;border: 1px solid #edf2f7;}
.bill-title { font-size: 14px; font-weight: bold; color: #2d3748; margin-bottom: 12px; }
.bill-row { display: flex; justify-content: space-between; font-size: 13px; color: #4a5568; margin-bottom: 8px; }
.bill-total {display: flex;justify-content: space-between;align-items: center;margin-top: 15px;padding-top: 15px;border-top: 1px dashed #e2e8f0;}
.bill-total .label { font-size: 16px; font-weight: bold; color: #1a365d; }
.bill-total .price { font-size: 24px; font-weight: 800; color: #e53e3e; }
.submit-btn {
            display: block;
            width: 100%;
            background: linear-gradient(135deg, #3182ce, #2b6cb0);
            color: white;
            text-align: center;
            padding: 14px;
            margin-top: 20px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 4px 6px rgba(49, 130, 206, 0.2);
            transition: transform 0.1s;
        }
.submit-btn:active { transform: scale(0.98); }