*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei','PingFang SC',sans-serif;background:#f5f5f5;color:#333;line-height:1.6}
.header{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#0d8b79,#14a894);color:#fff;padding:20px 30px;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.header-left{display:flex;align-items:center;gap:15px}
.hospital-icon{width:50px;height:50px;border-radius:50%;}
.main-title{font-size:18px;font-weight:600;margin:0;white-space:nowrap}
.header h1{font-size:24px;font-weight:600;margin-bottom:2px}
.hospital-name{font-size:14px;opacity:0.9}
.btn-print{padding:10px 20px;background:rgba(255,255,255,0.2);color:#fff;border:1px solid rgba(255,255,255,0.3);border-radius:6px;cursor:pointer;font-size:14px;transition:all 0.3s}
.btn-print:hover{background:rgba(255,255,255,0.3)}
.main-container{max-width:900px;margin:30px auto;padding:0 20px}
.calc-section{background:#fff;border-radius:10px;padding:25px;margin-bottom:25px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.calc-methods{display:flex;gap:10px;margin-bottom:20px}
.method-btn{flex:1;padding:12px 20px;border:2px solid #ddd;background:#fff;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;color:#666;transition:all 0.2s}
.method-btn:hover{border-color:#14a894;color:#14a894}
.method-btn.active{background:#14a894;color:#fff;border-color:#14a894}
.calc-form{display:block}
.calc-form.hidden{display:none}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:20px}
.form-grid.single{max-width:300px}
.form-group{margin-bottom:15px}
.form-group label{display:block;font-size:13px;color:#666;margin-bottom:6px;font-weight:500}
.form-input{width:100%;padding:12px 14px;border:2px solid #ddd;border-radius:8px;font-size:15px;transition:border-color 0.2s}
.form-input:focus{outline:none;border-color:#14a894}
.btn-calculate{width:100%;padding:14px;background:linear-gradient(135deg,#14a894,#0d8b79);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s}
.btn-calculate:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(20,168,148,0.3)}
.accuracy-tip{padding:10px 15px;background:#fff8e6;border-radius:6px;margin-bottom:15px;font-size:13px;color:#e67e22}
.result-section{background:#fff;border-radius:10px;padding:25px;margin-bottom:25px;box-shadow:0 2px 10px rgba(0,0,0,0.05);border:2px solid #14a894}
.result-section.hidden{display:none}
.result-main{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:20px}
.result-card{background:linear-gradient(135deg,#f8fafc,#e8f7f6);padding:25px;border-radius:10px;border-left:4px solid #14a894;display:flex;align-items:center;gap:20px}
.result-card.primary{background:linear-gradient(135deg,#e8f7f6,#d4ede9);border-left-color:#0d8b79}
.result-icon{font-size:40px}
.result-info{flex:1}
.result-info label{display:block;font-size:13px;color:#666;margin-bottom:4px}
.result-value{font-size:24px;font-weight:700;color:#0d8b79}
.result-value.large{font-size:36px}
.result-secondary{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px}
.result-item{background:#f8fafc;padding:15px 20px;border-radius:8px;text-align:center}
.result-item .label{font-size:13px;color:#666;display:block;margin-bottom:4px}
.result-item .value{font-size:18px;font-weight:600;color:#14a894}
.result-timeline{background:#f8fafc;padding:20px;border-radius:8px;margin-bottom:20px}
.timeline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:600;color:#14a894}
.timeline-percent{font-size:16px}
.timeline-bar{height:14px;background:#e0e0e0;border-radius:7px;overflow:hidden;margin-bottom:10px;box-shadow:inset 0 2px 4px rgba(0,0,0,0.1)}
.timeline-progress{height:100%;background:linear-gradient(90deg,#14a894,#26b9a5);border-radius:7px;transition:width 0.5s ease}
.timeline-markers{display:flex;justify-content:space-between;font-size:11px;color:#888}
.result-checkup{background:#e8f7f6;padding:20px;border-radius:8px}
.result-checkup h4{font-size:15px;color:#14a894;margin-bottom:12px}
.result-checkup ul{list-style:none;padding:0}
.result-checkup li{padding:8px 0;border-bottom:1px solid rgba(20,168,148,0.2);font-size:14px}
.result-checkup li:last-child{border:none}
.result-checkup li strong{color:#0d8b79}
.calculation-method{background:#f8fafc;padding:15px 20px;border-radius:8px;margin-top:20px;font-size:13px;color:#666;line-height:1.6;border-left:4px solid #14a894}
.knowledge-section{background:#fff;border-radius:10px;padding:25px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.section-header{margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid #eee}
.section-header h2{font-size:20px;color:#14a894;font-weight:600}
.knowledge-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.tab-btn{padding:10px 18px;border:none;background:#f0f0f0;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;color:#666;transition:all 0.2s}
.tab-btn:hover{background:#e0e0e0}
.tab-btn.active{background:#14a894;color:#fff}
.knowledge-content{display:block}
.knowledge-content.hidden{display:none}
.timeline{position:relative;padding-left:110px}
.timeline::before{content:'';position:absolute;left:85px;top:0;bottom:0;width:3px;background:#ddd}
.timeline-item{position:relative;padding:15px 0;border-bottom:1px solid #eee}
.timeline-item::before{content:'';position:absolute;left:-33px;top:20px;width:14px;height:14px;background:#14a894;border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 3px #14a894}
.timeline-item .week{position:absolute;left:-110px;top:15px;width:80px;text-align:right;font-size:13px;font-weight:600;color:#14a894;white-space:nowrap}
.timeline-item strong{display:block;font-size:15px;color:#333;margin-bottom:4px}
.timeline-item p{font-size:13px;color:#666}
.checkup-table{display:table;width:100%}
.checkup-row{display:table-row;border-bottom:1px solid #eee}
.checkup-row:last-child{border-bottom:none}
.checkup-week{display:table-cell;width:30%;padding:15px 10px;font-weight:600;color:#14a894;font-size:13px;border-right:2px solid #14a894;vertical-align:top}
.checkup-content{display:table-cell;width:70%;padding:15px 15px}
.checkup-content strong{display:block;font-size:15px;color:#333;margin-bottom:4px}
.checkup-content p{font-size:13px;color:#666;margin:0}
.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.info-card{background:#f8fafc;padding:20px;border-radius:8px;border-top:3px solid #14a894}
.info-card h3{font-size:16px;color:#14a894;margin-bottom:8px}
.info-card h3 small{display:block;font-size:12px;color:#888;margin-top:4px}
.info-card p{font-size:13px;color:#666;margin-bottom:12px}
.info-card ul{list-style:none;padding:0}
.info-card li{font-size:13px;color:#555;padding:6px 0;padding-left:15px;position:relative}
.info-card li::before{content:'•';position:absolute;left:0;color:#14a894}
.week-selector{margin-bottom:20px}
.week-selector select{width:200px;padding:10px 14px;border:2px solid #ddd;border-radius:6px;font-size:14px}
.weekly-detail{background:#f8fafc;padding:20px;border-radius:8px}
.weekly-detail h4{font-size:18px;color:#14a894;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #14a894}
.weekly-detail .detail-section{margin-bottom:15px}
.weekly-detail .detail-section h5{font-size:14px;color:#14a894;margin-bottom:8px;padding-left:10px;border-left:3px solid #14a894}
.weekly-detail .detail-section ul{padding-left:24px}
.weekly-detail .detail-section li{font-size:13px;color:#555;margin-bottom:6px}
.ref-table{margin-bottom:20px}
.ref-table h3{font-size:15px;color:#14a894;margin-bottom:12px}
.ref-table table{width:100%;border-collapse:collapse;font-size:13px}
.ref-table th{background:#14a894;color:#fff;padding:12px;text-align:left;font-weight:600}
.ref-table td{padding:10px 12px;border-bottom:1px solid #eee}
.ref-table tr:nth-child(even){background:#f8fafc}
.footer{background:#14a894;color:#fff;padding:25px;text-align:center;margin-top:30px}
.footer-content{max-width:800px;margin:0 auto}
.copyright{font-size:14px;margin-bottom:8px;font-weight:500}
.disclaimer{font-size:12px;opacity:0.9}
@media(max-width:768px){
    .header{flex-direction:column;gap:15px;text-align:center;padding:20px}
    .header-left{flex-direction:column}
    .main-container{margin:20px auto;padding:0 15px}
    .calc-methods{flex-direction:column}
    .form-grid{grid-template-columns:1fr}
    .result-main{grid-template-columns:1fr}
    .result-secondary{grid-template-columns:1fr}
    .timeline{padding-left:90px}
    .timeline::before{left:65px}
    .timeline-item::before{left:-28px}
    .timeline-item .week{left:-90px;width:70px;font-size:12px;white-space:nowrap}
    .checkup-week{width:35%;font-size:12px;padding:10px 5px}
    .checkup-content{width:65%;padding:10px}
    .info-cards{grid-template-columns:1fr}
    .knowledge-tabs{flex-direction:column}
}

@media print{
    body{background:#fff}
    .header{display:none}
    .calc-section:not(.print-section){display:none}
    .knowledge-section{display:none}
    .footer{display:none}
    .result-section{box-shadow:none;border:2px solid #14a894;margin:0}
    .btn-print{display:none}
    .main-container{max-width:none;margin:0;padding:0}
}