:root{--ink:#14282e;--muted:#5c6c75;--line:#dfe6e9;--mint:#117b6f;--mint-bright:#5ce4c5;--bg:#f1f5f7;--sans:Inter,"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.7 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait}a:focus-visible,button:focus-visible,textarea:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:4px}[hidden]{display:none!important}.skip-link{position:fixed;left:20px;top:-70px;background:var(--ink);color:#fff;z-index:10;padding:8px 16px}.skip-link:focus{top:10px}.tool-header{height:88px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(36px,calc((100vw - 1320px)/2));gap:25px}.tool-brand{display:flex;align-items:center;gap:13px}.seven-mark{display:grid;place-items:center;width:40px;height:40px;background:var(--ink);color:var(--mint-bright);border-radius:9px;font:800 1.9rem/1 Arial}.tool-brand>strong{font-size:1.45rem;letter-spacing:.1em}.brand-subtitle{border-left:1px solid var(--line);padding-left:18px;margin-left:6px;color:var(--muted);font-size:.875rem}.back-link{font-size:.875rem;color:var(--muted);border-bottom:1px solid #b9c6cb}.tool-main{width:min(1320px,calc(100% - 72px));margin:auto}.workspace-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:32px 0 27px}.eyebrow{font-size:.75rem;letter-spacing:.15em;color:var(--mint);font-weight:600;margin:0 0 10px}h1{font-size:1.9rem;letter-spacing:-.03em;line-height:1.45;margin:0 0 9px}.workspace-heading>div>p:last-child{color:var(--muted);font-size:.9375rem;margin:0}.mode-badge{border:1px solid #b1c9c5;border-radius:30px;padding:5px 15px;color:var(--mint);background:#fff;font-size:.8125rem;white-space:nowrap}.workspace{display:grid;grid-template-columns:.96fr 1.15fr;gap:24px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 5px 22px rgba(10,40,45,.025);overflow:hidden}.input-panel{padding:26px 27px}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:21px}h2{font-size:1.0625rem;margin:0;line-height:1.5}h3{font-size:1.15rem;margin:0;line-height:1.6}.text-button{border:0;background:transparent;padding:0;color:var(--mint);font-weight:600;font-size:.875rem}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.form-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:14px}.form-grid label,.mode-row label{display:grid;gap:7px;font-size:.875rem;color:var(--muted)}select,input{width:100%;border:1px solid #bdc9d0;border-radius:5px;padding:10px 12px;background:#fff;color:var(--ink);min-height:44px;font-size:.9375rem}select{padding-right:28px}.text-label{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:.875rem;margin:21px 0 8px;color:var(--muted)}.text-label>span{font-size:.75rem;color:#7e8b93}textarea{display:block;width:100%;height:315px;min-height:210px;resize:vertical;background:#fbfcfd;border:1px solid #bdc9d0;border-radius:6px;color:var(--ink);padding:16px;font-size:.9375rem;line-height:1.9}textarea::placeholder{color:#7d8c95}.mode-row{display:flex;gap:16px;margin-top:18px}.mode-row label{flex:1}.input-hint{font-size:.8125rem;line-height:1.75;color:var(--muted);margin:12px 0 19px}.review-button{background:var(--ink);color:#fff;min-height:49px;border:0;border-radius:6px;width:100%;font-size:.9375rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px}.review-button:hover:not(:disabled){background:#1c4247}.review-button:disabled{opacity:.7}.privacy-note{color:#728088;font-size:.75rem;line-height:1.75;margin:14px 0 0}.error-message{background:#fff1ef;color:#9f362d;padding:11px 14px;border-radius:5px;margin:12px 0;font-size:.875rem}.cancel-button{display:block;margin:13px auto 0}.result-panel>.panel-heading{padding:24px 27px 0;margin-bottom:18px}.result-label{font-size:.75rem;color:var(--muted);margin:4px 0 0}.icon-button{border:1px solid var(--line);border-radius:5px;background:white;color:var(--muted);padding:7px 12px;min-height:35px;font-size:.8125rem}.icon-button:hover{color:var(--ink);border-color:#b7c5c9}.role-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-inline:16px;background:#fbfcfd}.role-tab{display:flex;align-items:center;justify-content:center;gap:9px;padding:17px 8px 15px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-size:.875rem;white-space:nowrap}.role-tab.active{border-bottom-color:var(--mint);color:var(--ink);background:#fff;font-weight:600}.role-number{font:600 .75rem/1.5 var(--sans)}.expert{color:var(--mint)}.audience{color:#ab681c}.editor{color:#4a64b0}.result-content{padding:26px 27px 20px;min-height:545px}.role-intro{display:flex;align-items:center;gap:16px;margin-bottom:23px}.role-symbol{width:44px;height:44px;display:grid;place-items:center;flex-shrink:0;background:#f0f6f5;border-radius:8px;font-size:1.05rem;font-weight:650}.role-symbol.audience{background:#fcf4e8}.role-symbol.editor{background:#f0f2fa}.role-intro p{font-size:.8125rem;color:var(--muted);margin:4px 0 0}.assessment{padding:15px 17px;background:#f4f7f8;border-radius:6px;font-size:.9375rem;line-height:1.8;margin-bottom:24px}.result-section{margin-bottom:23px}h4{font-size:.875rem;font-weight:650;line-height:1.5;margin:0 0 12px}.result-list{padding-left:20px;margin:0;font-size:.9375rem;line-height:1.85}.result-list>li{padding-left:4px;margin-bottom:8px}.strengths>li::marker{color:var(--mint)}.suggestions>li::marker{color:#9ba9b1;font-weight:650}.rewrite-box{border-left:3px solid var(--mint);padding:15px 17px;background:#f3f8f7;margin-bottom:23px}.rewrite-box>div{display:flex;justify-content:space-between;gap:12px}.rewrite-box>div>span{font-size:.75rem;color:var(--muted)}.rewrite-box p{font-size:.9375rem;margin:0;line-height:1.9}.evidence-box{font-size:.875rem;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:15px 17px;margin-bottom:22px}.evidence-box ul{padding-left:20px;margin:0}.result-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center;border-top:1px solid var(--line);padding-top:17px;margin-top:20px}.result-bottom>span{font-size:.75rem;color:var(--muted)}.copy-status{min-height:0;margin:0 27px 12px;color:var(--mint);font-size:.8125rem}.copy-status:empty{margin:0}.tool-footer{display:flex;justify-content:space-between;gap:20px;color:#6c7d86;font-size:.75rem;padding:30px 0}.tool-footer>a{border-bottom:1px solid #c8d1d7}.review-progress{margin:22px 27px 0;color:var(--mint);background:#f0f8f6;padding:12px 15px;font-size:.875rem;border-radius:5px}.spinner{height:17px;width:17px;border:2px solid #92b9b5;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1600px){.tool-main{margin-top:12px}.workspace-heading{padding-block:38px}.input-panel{padding:30px}.result-panel>.panel-heading{padding-inline:30px}.result-content{padding-inline:30px}textarea{height:365px}}@media(max-width:1100px){.tool-header{padding-inline:26px}.tool-main{width:calc(100% - 52px)}.workspace{gap:18px;grid-template-columns:1fr 1.1fr}.input-panel{padding:22px}.result-content{padding:22px}.role-tab{gap:6px;padding-inline:4px}.role-tabs{padding-inline:10px}.form-grid{grid-template-columns:1fr 1fr}}@media(max-width:860px){.workspace{grid-template-columns:1fr}.brand-subtitle{display:none}.workspace-heading{padding-top:25px}.result-content{min-height:0}.tool-footer{flex-wrap:wrap}.tool-footer>span:nth-child(2){order:3;width:100%}}@media(max-width:500px){.tool-header{height:74px;padding-inline:20px;gap:12px}.tool-brand{gap:9px}.seven-mark{width:35px;height:35px;font-size:1.65rem}.tool-brand>strong{font-size:1.25rem}.back-link{font-size:.75rem}.tool-main{width:calc(100% - 32px)}.workspace-heading{align-items:flex-start;gap:10px}.workspace-heading h1{font-size:1.45rem}.workspace-heading .eyebrow{font-size:.625rem;letter-spacing:.08em}.workspace-heading>div>p:last-child{font-size:.8125rem;max-width:235px}.mode-badge{font-size:.75rem;padding:4px 10px;margin-top:26px}.input-panel{padding:21px 18px}.panel-heading{gap:9px}.form-grid{grid-template-columns:1.2fr 1fr;gap:11px}select,input{font-size:.875rem;padding-inline:9px}.result-panel>.panel-heading{padding-inline:18px}.role-tabs{padding-inline:7px}.role-tab{font-size:.8125rem;gap:5px}.role-number{font-size:.6875rem}.result-content{padding:23px 18px 18px}.role-intro{gap:12px}.role-intro h3{font-size:1rem}.role-intro p{font-size:.75rem}.mode-row{flex-direction:column}.result-bottom{flex-wrap:wrap}.rewrite-box>div{flex-wrap:wrap}.tool-footer{font-size:.75rem}.icon-button{font-size:.75rem}.assessment,.result-list,.rewrite-box p{font-size:.875rem}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
textarea{height:260px;font-size:1rem}.assessment,.result-list,.rewrite-box p{font-size:1rem}.mode-row label{display:flex;align-items:center;gap:12px}.mode-row select,.mode-row input{flex:1;min-width:0}.mode-row #token-label{display:grid;gap:7px}.workspace-heading .eyebrow,.role-number{font-size:.75rem}
@media(min-width:861px) and (max-height:850px){.tool-header{height:68px}.workspace-heading{padding-block:18px}.workspace-heading .eyebrow{display:none}.workspace-heading h1{font-size:1.65rem}.input-panel{padding:22px}textarea{height:210px}.text-label{margin-top:15px}.input-hint{margin-block:10px 15px}}