:root{--ms-bg: #ffffff;--ms-bg-soft: #f7f7f7;--ms-text: #2f2f2f;--ms-text-muted: #666666;--ms-primary: #4d4d4d;--ms-primary-text: #ffffff;--ms-line: #eeeeee;--ms-input-line: #dedede;--ms-burgundy: #7f0d0e;--ms-brand: #5e4537;--ms-gold: #e2be8e;--ms-success: #3a8735}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--ms-bg);color:var(--ms-text);font-family:Jost,Futura,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}.wordmark{font-size:13px;letter-spacing:.32em;text-transform:uppercase;color:var(--ms-brand);font-weight:600;text-align:center}.brand-logo{display:block;margin:0 auto}.app-header{display:flex;align-items:center;gap:10px;padding:4px 0 12px;border-bottom:1px solid var(--ms-line);margin-bottom:4px}.app-header img{display:block}.app-header .wordmark{text-align:left}.app{max-width:680px;margin:0 auto;padding:16px 16px 104px}.card{background:var(--ms-bg);border-bottom:1px solid var(--ms-line);padding:16px 0;margin-bottom:12px}.title{font-size:19px;font-weight:600;line-height:1.35}.section-title{font-size:16px;font-weight:600;color:var(--ms-brand);margin-bottom:6px}.subtitle{color:var(--ms-text-muted);font-size:13px;line-height:1.55}.small{font-size:12px}.empty{text-align:center;color:var(--ms-text-muted);padding:32px 12px}.center-screen{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;max-width:480px;margin:0 auto;padding:24px 20px 48px}.btn-primary,.btn-secondary,.btn-danger{display:block;width:100%;border-radius:5px;font-size:16px;font-weight:500;min-height:48px;padding:10px 16px;cursor:pointer;text-align:center}.btn-primary{background:var(--ms-primary);color:var(--ms-primary-text);border:1px solid var(--ms-primary)}.btn-secondary{background:transparent;border:1px solid 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var(--ms-line);border-left:3px solid var(--ms-burgundy);color:var(--ms-burgundy);padding:12px 14px;line-height:1.6;margin-bottom:12px;white-space:pre-line}.notice-box{background:var(--ms-bg-soft);border:1px solid var(--ms-line);border-left:3px solid var(--ms-gold);color:var(--ms-text);padding:12px 14px;line-height:1.6;margin-bottom:12px;white-space:pre-line}.success-box{background:var(--ms-bg-soft);border:1px solid var(--ms-line);border-left:3px solid var(--ms-success);color:var(--ms-success);padding:12px 14px;line-height:1.6;margin-bottom:12px;white-space:pre-line}.product-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center}.product-icon svg{display:block}.product-photo{display:block;aspect-ratio:1 / 1;object-fit:cover;border:1px solid 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