:root{--primary-red: #c53030;--gold: #d69e2e;--bg-parchment: #fffaf0;--text-dark: #2d3748}body{margin:0;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:#f7fafc;color:var(--text-dark)}.app-container{max-width:500px;margin:0 auto;padding:20px;min-height:100vh}.form-container{background:#fff;padding:30px;border-radius:20px;box-shadow:0 10px 25px #0000000d}.title{text-align:center;color:var(--primary-red);font-size:24px;margin-bottom:30px}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:8px;font-weight:500;color:#4a5568}.input-group input{width:100%;padding:12px;border:1px solid #e2e8f0;border-radius:10px;font-size:16px;box-sizing:border-box}.submit-btn{width:100%;padding:15px;background-color:var(--primary-red);color:#fff;border:none;border-radius:12px;font-size:18px;font-weight:600;cursor:pointer;transition:transform .2s}.submit-btn:active{transform:scale(.98)}.poster-wrapper{background-color:var(--bg-parchment);padding:40px 20px;border-radius:15px;border:4px double #e2e8f0;margin-bottom:20px}.poster-header{text-align:center;margin-bottom:30px}.poster-header h1{color:var(--primary-red);margin:0;letter-spacing:2px}.subtitle{color:var(--gold);font-size:14px;margin-top:5px}.bazi-grid{display:flex;justify-content:space-around;margin-bottom:30px}.bazi-item{display:flex;flex-direction:column;align-items:center;gap:10px}.bazi-item.day{color:var(--primary-red);font-weight:700}.bazi-item .label{font-size:12px;color:#718096}.bazi-item .value{font-size:28px;background:#fff;padding:10px;border-radius:8px;box-shadow:0 2px 4px #0000000d}.chart-section{margin:20px 0}.poster-footer{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:20px;border-top:1px dashed #cbd5e0}.qr-section{text-align:center;font-size:10px;color:#718096}.brand{text-align:right;font-family:cursive;color:var(--gold)}.actions{display:flex;gap:15px}.action-btn{flex:1;padding:12px;border-radius:10px;border:none;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.action-btn.share{background-color:var(--primary-red);color:#fff}.action-btn.reset{background-color:#edf2f7;color:#4a5568}@media(max-width:400px){.bazi-item .value{font-size:20px;padding:8px}}