:root{--primary: #1f6feb;--primary-dark: #1a5fd0;--primary-soft: #e8f0fe;--bg: #f5f6f8;--card: #ffffff;--text: #1f2328;--muted: #656d76;--border: #d8dee4;--danger: #cf222e;--danger-soft: #ffebe9;--warn: #bf8700;--warn-soft: #fff8c5;--ok: #1a7f37;--ok-soft: #dafbe1;--radius: 10px;--shadow: 0 1px 3px rgba(31, 35, 40, .08);--nav-height: 56px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.6;overflow-wrap:break-word}#app{min-height:100vh}h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35}a{color:var(--primary);text-decoration:none}.page{max-width:900px;margin:0 auto;padding:12px 12px calc(var(--nav-height) + var(--safe-bottom) + 20px)}.page-header{position:sticky;top:0;z-index:20;margin:-12px -12px 12px;padding:12px;background:var(--card);border-bottom:1px solid var(--border)}.page-title{font-size:18px;display:flex;align-items:center;justify-content:space-between;gap:8px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;margin-bottom:10px}.card-tap{cursor:pointer}.card-tap:active{background:#fafbfc}.row{display:flex;align-items:center;gap:8px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:8px}.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.stack{display:flex;flex-direction:column;gap:10px}.muted{color:var(--muted);font-size:13px}.strong{font-weight:600}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.truncate-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.empty{text-align:center;color:var(--muted);padding:48px 16px}.field{display:block;margin-bottom:12px}.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field-label .req{color:var(--danger)}input,select,textarea{width:100%;font:inherit;color:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--card)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}textarea{min-height:76px;resize:vertical}@supports (-webkit-touch-callout: none){input,select,textarea{font-size:16px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 16px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);font:inherit;font-weight:500;cursor:pointer}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-block{width:100%}.btn-sm{min-height:34px;padding:0 10px;font-size:13px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500;white-space:nowrap}.badge-draft{background:#eef1f4;color:var(--muted)}.badge-pending_confirmation{background:var(--primary-soft);color:var(--primary-dark)}.badge-pending_rectification{background:var(--warn-soft);color:var(--warn)}.badge-pending_review{background:var(--primary-soft);color:var(--primary-dark)}.badge-returned{background:var(--danger-soft);color:var(--danger)}.badge-closed{background:var(--ok-soft);color:var(--ok)}.badge-no_change_needed{background:#eef1f4;color:var(--muted)}.badge-voided{background:#eef1f4;color:var(--muted);text-decoration:line-through}.count-dot{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--danger);color:#fff;font-size:11px;font-weight:600}.app-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;height:calc(var(--nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--card);border-top:1px solid var(--border)}.app-nav a,.app-nav button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;background:none;border:0;padding:0;font-family:inherit;cursor:pointer}.app-nav a.active,.app-nav button.active{color:var(--primary)}.app-nav .nav-icon{font-size:18px;line-height:1;position:relative}.app-nav .count-dot{position:absolute;top:-6px;left:12px}.overlay{position:fixed;left:0;top:0;width:100%;height:100%;z-index:100;display:flex;align-items:flex-end;justify-content:center;background:#1f232873}@media(min-width:640px){.overlay{align-items:center}}.sheet{width:100%;max-width:560px;max-height:86vh;overflow-y:auto;background:var(--card);border-radius:var(--radius) var(--radius) 0 0;padding:16px 16px calc(16px + var(--safe-bottom))}@media(min-width:640px){.sheet{border-radius:var(--radius);padding-bottom:16px}}.toasts{position:fixed;left:12px;right:12px;top:12px;z-index:200;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.toast{max-width:520px;padding:10px 14px;border-radius:8px;background:#1f2328;color:#fff;font-size:14px;box-shadow:0 4px 12px #1f232833}.toast-error{background:var(--danger)}.toast-ok{background:var(--ok)}.timeline{position:relative;padding-left:20px}.timeline:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--border)}.timeline-item{position:relative;padding-bottom:14px}.timeline-item:before{content:"";position:absolute;left:-19px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--primary);border:2px solid var(--card)}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}.photo-thumb{position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;border:1px solid var(--border);background:#eef1f4}.photo-thumb img{width:100%;height:100%;object-fit:cover;display:block}.photo-remove{position:absolute;top:2px;right:2px;width:22px;height:22px;border:none;border-radius:50%;background:#1f2328a6;color:#fff;font-size:14px;line-height:1;cursor:pointer;padding:0}.photo-add{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border:1px dashed var(--border);border-radius:8px;color:var(--muted);font-size:22px;cursor:pointer;background:var(--card)}.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{flex:none;padding:5px 12px;border:1px solid var(--border);border-radius:999px;background:var(--card);font-size:13px;cursor:pointer;white-space:nowrap}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.divider{height:1px;background:var(--border);margin:12px 0}.kv{display:grid;grid-template-columns:92px 1fr;gap:4px 10px;font-size:14px}.kv dt{color:var(--muted);font-size:13px}.kv dd{margin:0}.notice{padding:10px 12px;border-radius:8px;background:var(--warn-soft);color:#6a4a00;font-size:13px}.notice-info{background:var(--primary-soft);color:var(--primary-dark)}