:root{--certificate-bg:#f5e6c3;--certificate-border:#800000;--text-color:#000}.certificate{width:800px;aspect-ratio:3/4;margin:0 auto;background:var(--certificate-border);padding:20px;box-shadow:0 4px 8px rgba(0,0,0,.2)}.certificate-inner{position:relative;height:100%;background:var(--certificate-bg);border:2px solid #8b4513;padding:30px;background:linear-gradient(135deg,#f5e6c3 0%,#f5d78e 100%)}.content{height:100%;display:flex;flex-direction:column;justify-content:space-between}.principles{display:flex;justify-content:space-between;margin:0 40px;text-align:center}.principle-item .zh{font-size:20px;margin-bottom:4px}.principle-item .en{font-size:14px}.recipient{text-align:center;margin:40px 0}.name-zh{font-size:32px;font-weight:700;margin-bottom:8px}.name-en{font-size:18px;color:#333}.award{text-align:center;margin:30px 0}.award-zh{font-size:22px;margin-bottom:8px}.award-en{font-size:16px;color:#333}.signature{text-align:center;margin:30px 0}.signature-text{font-family:kaiti,楷体,cursive;font-size:24px;margin-bottom:8px}.signature-title{font-size:16px;margin-bottom:4px}.signature-title-en{font-size:14px;color:#333}.footer{text-align:center;margin-top:20px;padding-bottom:20px}.org{margin-bottom:15px}.org-zh{font-size:14px;margin-bottom:3px}.org-en{font-size:14px;color:#333}.location{font-size:12px;margin-top:8px;padding-top:8px;margin-bottom:10px}.form-panel{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.input-group{margin-bottom:15px}input{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px}button{width:100%;padding:10px;background:var(--certificate-border);color:#fff;border:none;border-radius:4px;cursor:pointer}.download-btn{margin-top:20px;max-width:200px}.signatures{display:flex;justify-content:center;align-items:center;margin:15px 0;position:relative}.signature{text-align:center;margin-right:0}.signature-text{font-family:kaiti,楷体,cursive;font-size:28px;color:#006;margin-bottom:10px;transform:rotate(-5deg);text-shadow:1px 1px 1px rgba(0,0,0,.1)}.signature-title{font-size:14px;font-weight:700;color:var(--text-color);margin-bottom:2px}.signature-title-en{font-size:12px;color:var(--text-color)}.org-info{text-align:center;margin-top:5px}.org-zh,.org-en{margin-bottom:3px;font-size:14px}.location{margin-top:8px}.location-zh{font-size:12px;margin-bottom:2px}.location-en{font-size:12px;font-weight:700}.copyright{text-align:center;margin-top:30px;padding:20px 0;color:#666;font-size:14px;border-top:1px solid #eee}.copyright a{color:maroon;text-decoration:none;font-weight:700}.copyright a:hover{text-decoration:underline;color:#600000}.intro-panel{background:#fff;padding:30px;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);margin-bottom:30px}.intro-content{max-width:800px;margin:0 auto;line-height:1.6}.birthday-note{font-size:18px;color:maroon;font-weight:700;margin-bottom:20px;text-align:center}.intro-text{margin-bottom:15px;text-align:justify}.dedication{margin-bottom:20px;font-style:italic;color:#444}.links{text-align:center;margin-top:25px;padding-top:15px;border-top:1px solid #eee}.links a{color:maroon;text-decoration:none;font-weight:700}.links a:hover{text-decoration:underline}.separator{margin:0 15px;color:#999}.intro-panel h1{text-align:center;margin-bottom:25px;color:maroon;font-size:28px}