:root{--bg:#0b1328;--surface:#111e38;--ink:#f3f6fc;--muted:#aab8d2;--cyan:#72e2f6;--line:#2b3c59;--accent:#b7bbff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 "Noto Sans TC",-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif}h1,h2,h3,p{margin:0}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{touch-action:manipulation}a{color:inherit;text-decoration:none}a:hover{color:var(--cyan)}button{cursor:pointer;border:1px solid var(--line);background:#1a2a46;border-radius:8px;padding:9px 15px;min-height:42px}button:hover{border-color:var(--cyan)}button:disabled{cursor:default;opacity:.45}button.active,button[aria-pressed=true]{background:var(--cyan);color:var(--bg);border-color:var(--cyan)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}input,textarea,select{width:100%;background:#0e1930;border:1px solid var(--line);border-radius:8px;padding:10px 12px}textarea{min-height:110px;resize:vertical}input[type=range]{padding:0;accent-color:var(--cyan)}input[type=checkbox]{width:18px;height:18px;accent-color:var(--cyan)}.shell{width:min(1240px,calc(100% - 64px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0;border-bottom:1px solid var(--line)}.brand img{object-fit:contain;width:98px;height:42px}nav{display:flex;gap:24px;font-size:13px;flex-wrap:wrap}.demo-banner{border:1px solid #356573;background:#143140;color:var(--cyan);padding:10px 16px;border-radius:8px;margin:30px 0 22px;font-size:13px}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:.1em;text-transform:uppercase}.page-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:0 0 25px}.page-heading 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button:before{content:"";position:absolute;height:13px;top:-14px;width:1px;left:50%;background:#507089}.org-branches small{display:block;color:var(--muted);font-size:10px}.org-branches button.active small{color:#163743}.chat-lines{display:grid;gap:13px}.bubble{max-width:88%;background:#1c3050;border-radius:12px 12px 12px 2px;padding:15px;font-size:13px}.bubble.reply{margin-left:auto;background:#194150;border-radius:12px 12px 2px 12px}.bubble small{display:block;font-size:10px;color:var(--muted);margin-bottom:6px}.report{background:#f7f8fc;color:#1f2d46;padding:27px;border-radius:10px;min-height:330px}.report h3{font-size:25px;letter-spacing:-.03em;margin:8px 0 20px}.report p{font-size:13px;color:#5c6981;line-height:1.9}.report .report-line{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid #dce2ec;font-size:12px}.report .report-line strong{color:#386c80}.report 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