.xue{max-width:900px;margin:28px auto;font-family:inherit;color:#161616}
.xue-question-card,.xue-answer-card{background:#fff;border:1px solid #e1e1e1;border-radius:12px;padding:24px;margin-bottom:18px;box-sizing:border-box}
.xue-eyebrow{font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
.xue-question{font-size:20px;line-height:1.6}
.xue-meta,.xue-wordcount{font-size:13px;color:#666;margin-top:10px}
.xue-tabs{display:flex;gap:8px;margin:0 0 0}
.xue-tab{appearance:none;border:1px solid #d0d0d0;background:#f6f6f6;padding:11px 16px;border-radius:8px 8px 0 0;cursor:pointer;font-weight:700}
.xue-tab.active{background:#161616;color:#fff;border-color:#161616}
.xue-mode{display:none;border:1px solid #ddd;border-radius:0 10px 10px 10px;padding:18px}
.xue-mode.active{display:block}
.xue-answer,.xue-extracted-text{display:block;width:100%;min-height:270px;box-sizing:border-box;border:1px solid #ccc;border-radius:8px;padding:14px;font:inherit;line-height:1.65;resize:vertical}
.xue-upload-box{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:190px;border:2px dashed #c9c9c9;border-radius:10px;cursor:pointer;text-align:center;background:#fafafa}
.xue-upload-box input{display:none}
.xue-upload-title{font-size:17px;font-weight:800}
.xue-upload-sub{font-size:13px;color:#666;margin-top:5px}
.xue-upload-status{margin-top:12px;font-size:14px}
.xue-extracted{margin-top:18px}
.xue-extracted label{display:block;font-weight:700;margin-bottom:8px}
.xue-evaluate{display:block;width:100%;margin-top:18px;padding:15px;border:0;border-radius:8px;background:#161616;color:#fff;font-size:16px;font-weight:800;cursor:pointer}
.xue-evaluate:disabled{opacity:.55;cursor:wait}
.xue-processing{text-align:center;padding:18px;color:#555}
.xue-result{margin-top:18px;border:1px solid #ddd;border-radius:12px;padding:24px;background:#fff}
.xue-score{text-align:center;font-size:54px;font-weight:900;line-height:1.1;margin:8px 0 20px}
.xue-result h3{margin:24px 0 10px}
.xue-result table{width:100%;border-collapse:collapse}
.xue-result td{padding:9px;border-bottom:1px solid #eee}
.xue-result ul{padding-left:20px}
.xue-error{color:#b00020;margin-top:10px}
@media(max-width:600px){.xue-question-card,.xue-answer-card,.xue-result{padding:16px}.xue-question{font-size:18px}.xue-score{font-size:44px}}