:root{color-scheme:light;--ink:#1d2433;--muted:#596477;--blue:#0863da;--blue-dark:#084fae;--soft:#edf4ff;--line:#e1e5ed;--bg:#f4f6fa;--white:#fff;--radius:16px;--shadow:0 12px 40px rgba(36,57,89,.08);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.65}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--blue);text-underline-offset:4px}::selection{background:#d5e5ff;color:#142c52}input{caret-color:var(--blue)}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#b8c2d2;border:2px solid var(--bg);border-radius:8px}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.topbar{position:sticky;top:0;z-index:10;background:rgba(250,252,255,.86);backdrop-filter:blur(24px) saturate(150%);border-bottom:1px solid 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button{background:#f1f4f9;border:0;border-radius:8px;min-height:36px;padding:0 12px;color:#41516b;font-size:12px}.quick-examples button:hover{background:#e6edfa;color:var(--blue)}.name-note{font-size:12px;color:var(--muted);margin-top:22px}.name-note p{margin:0}.session-note{color:var(--muted);font-size:12px;text-align:center;margin:17px 0 0}.reference-panel{padding:6px 0 0}.reference-panel>p{color:var(--muted);font-size:13px;margin:6px 0 21px}.category-list{list-style:none;padding:0;margin:0}.category-list li{display:flex;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.category-list li>span{font-size:17px;font-weight:600;color:#607089;width:23px;flex-shrink:0;font-variant-numeric:tabular-nums}.category-list strong{display:block;font-size:13px;font-weight:650}.category-list small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.reference-note{font-size:12px;color:var(--muted);margin-top:23px;line-height:1.8}.sources{margin:43px 0 30px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.sources summary{cursor:pointer;color:#40516b;font-weight:600}.sources p{max-width:75ch}.source-links{display:flex;gap:20px;flex-wrap:wrap}.source-links a{font-size:12px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:22px 0 30px;color:var(--muted);font-size:11px}.product-line{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);flex-wrap:wrap}.product-line strong{color:var(--ink);overflow-wrap:anywhere}.text-button{border:0;background:transparent;padding:8px 3px;color:var(--blue);font-weight:600;font-size:13px}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.product-line button{margin-left:auto}.recognition{font-size:12px;color:#3b5680;background:#f1f6ff;padding:11px 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small{font-size:11px;margin-left:3px}.brand-mark{height:31px;width:31px;border-radius:9px}.top-link{font-size:11px}.hero h1{font-size:32px}.hero p{font-size:14px}.work-card{padding:22px 19px}.input-row{flex-direction:column}.input-row input{flex:auto;width:100%}.mode-switch button{font-size:13px;min-height:44px}.category-list{grid-template-columns:1fr}.category-list li{padding:11px 0}.category-list small{font-size:12px}.reference-panel{margin-top:10px}.result-heading{font-size:23px!important}footer{flex-direction:column;gap:3px}.question-actions{align-items:flex-start}.question-actions>span{padding-top:10px}.source-links{gap:12px}}@media(prefers-reduced-motion:no-preference){.mode-switch button{transition:background-color .2s ease,box-shadow .2s ease}.work-card{animation:surface-in .35s cubic-bezier(.2,.8,.2,1)}@keyframes surface-in{from{transform:translateY(5px)}to{transform:translateY(0)}}}@media(prefers-reduced-transparency:reduce){.topbar{background:#fafcff;backdrop-filter:none}}
.guide-intro{margin:0 0 23px;color:var(--muted);font-size:13px}.guide-group{margin:0 0 26px;padding:0 0 4px}.guide-group>h3{font-size:17px!important;margin:0 0 20px!important}.guide-field{border:0;border-top:1px solid var(--line);padding:18px 0 0;margin:0 0 24px;min-width:0}.guide-field legend{font-weight:650;font-size:14px;padding:0 8px 0 0;max-width:100%}.guide-help{font-size:12px;color:var(--muted);margin:0 0 12px;line-height:1.75}.guide-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.guide-functions{grid-template-columns:1fr}.guide-option{display:flex;gap:10px;align-items:flex-start;min-height:48px;padding:12px;border:1px solid #cbd5e4;border-radius:11px;cursor:pointer;background:white;line-height:1.55}.guide-option:has(input:checked){border-color:var(--blue);background:var(--soft)}.guide-option:hover{border-color:var(--blue)}.guide-option input{width:17px;height:17px;margin:3px 0 0;accent-color:var(--blue);flex:0 0 17px}.guide-option strong{display:block;font-size:13px;font-weight:600}.guide-option small{display:block;color:var(--muted);font-size:12px;margin-top:5px;line-height:1.7}.guide-form-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:3px}.guide-option:focus-within{outline:2px solid var(--blue);outline-offset:3px}@media(max-width:420px){.guide-options{grid-template-columns:1fr}.guide-form-actions .primary{flex:1}.guide-field{margin-bottom:23px}.guide-intro{font-size:13px}}

#product-form .guide-form-actions{display:grid;grid-template-columns:1fr 1fr}@media(max-width:420px){#product-form .guide-form-actions{grid-template-columns:1fr}}

.name-defaults{margin:0 0 24px;color:var(--muted);font-size:12px}.name-defaults summary{cursor:pointer;color:var(--blue);padding:8px 0}.name-defaults p{margin:8px 0}.name-defaults select{font:inherit;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:8px;padding:10px;max-width:100%;margin:8px 0}.name-defaults select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}