:root{color-scheme:light;--paper:#fff;--bg:#f5f7f5;--ink:#243b30;--muted:#607369;--green:#246247;--soft:#eaf2ec;--line:#dce5de;--error:#993a32;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.65;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:inherit}h1,h2,h3,p{margin:0}h1{font-size:29px;font-weight:600;line-height:1.4;letter-spacing:-.6px}h2{font-size:21px;font-weight:600;line-height:1.45}h3{font-size:16px;font-weight:600}p+ p{margin-top:10px}[hidden]{display:none!important}label{display:block;font-weight:500}input,textarea,select{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:9px 11px;max-width:100%}input:focus,textarea:focus,select:focus{outline:2px solid #83ac94;outline-offset:2px}button:focus-visible,a:focus-visible{outline:2px solid #4a8461;outline-offset:3px}textarea{resize:vertical;width:100%}input[type=checkbox]{width:16px;height:16px;flex-shrink:0;accent-color:var(--green)}.primary,.outline,.quiet,.text-button{border-radius:7px;padding:8px 13px;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none}.primary{background:var(--green);border:1px solid var(--green);color:#fff}.outline{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.quiet{background:transparent;border:0;color:var(--muted)}.text-button{background:transparent;border:0;color:var(--green);padding-left:0;padding-right:0}.wide{width:100%}.muted{color:var(--muted);font-size:13px}.topbar{background:var(--paper);border-bottom:1px solid var(--line);padding:15px 24px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.brand{text-decoration:none;font-family:Georgia,"Songti SC",serif;font-size:24px;font-weight:600;white-space:nowrap}.brand span{font:400 14px/1.4 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;margin-left:12px;color:var(--muted)}.preview-tag{padding:2px 7px;border-radius:4px;background:var(--soft);font-size:12px}.top-actions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.top-actions #quota-label{font-size:13px;color:var(--muted)}.environment{padding:8px 24px;background:#f5f0e3;color:#705e35;border-bottom:1px solid #e5deca;font-size:12px}.layout{display:grid;grid-template-columns:205px minmax(0,1fr) 0;transition:grid-template-columns .15s ease}.layout.has-source{grid-template-columns:205px minmax(0,1fr) 350px}.sidebar{padding:22px 16px;border-right:1px solid var(--line);min-height:calc(100vh - 115px);display:flex;flex-direction:column;gap:15px}.section-label{font-size:12px;color:var(--muted)}.history{display:flex;flex-direction:column;gap:7px}.history button{text-align:left;padding:9px;border:0;border-radius:6px;background:transparent;color:var(--ink);overflow-wrap:anywhere}.history button.active,.history button:hover{background:var(--soft)}.history small{display:block;color:var(--muted)}.sidebar-bottom{margin-top:auto;padding-top:35px}.sidebar-bottom strong{font-family:Georgia,"Songti SC",serif;font-size:19px;font-weight:500}.sidebar-bottom p{margin-top:12px}.main{padding:36px clamp(20px,4vw,65px);max-width:1100px;min-width:0;width:100%;margin:0 auto;align-self:start}.eyebrow{font-size:12px;color:var(--green);letter-spacing:1px;margin-bottom:10px}.intro{margin-top:12px;color:var(--muted);max-width:760px}.composer{margin-top:25px;background:var(--paper);border:1px solid var(--line);border-radius:11px;overflow:hidden;padding:17px}.composer textarea{margin-top:8px;min-height:155px;border:0;padding:4px 0;border-radius:0}.compose-controls{display:flex;gap:13px;align-items:center;flex-wrap:wrap;margin-top:9px}.region-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:400}.region-label select{padding:5px 8px}.count{margin-left:auto;font-size:12px;color:var(--muted)}.consent{display:flex;align-items:flex-start;gap:7px;font-size:12px;color:var(--muted);font-weight:400;margin-top:15px}.submit-row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:15px;padding-top:13px;border-top:1px solid var(--line)}.suggestions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.suggestions button{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:20px;padding:5px 11px;font-size:12px}.boundary{font-size:12px;color:var(--muted);padding-top:32px;margin-top:30px;border-top:1px solid var(--line)}.notice{background:var(--soft);border:1px solid var(--line);padding:12px;border-radius:7px;margin:20px 0;font-size:14px;white-space:pre-line}.notice.error{background:#faf0ed;border-color:#efd3cd}.error{color:var(--error);font-size:13px;white-space:pre-line}.progress-panel{display:flex;align-items:center;gap:15px;padding:25px 0}.pulse{width:14px;height:14px;border-radius:50%;background:var(--green);animation:pulse 1.3s infinite}@keyframes pulse{50%{opacity:.25}}@media(prefers-reduced-motion:reduce){.pulse{animation:none}.layout{transition:none}}.result-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}.result-actions{display:flex;gap:7px;flex-wrap:wrap}.tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin:25px 0 18px}.tab{padding:8px 0;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted)}.tab.active{border-bottom-color:var(--green);color:var(--green)}.finding,.case-card{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:17px;margin:12px 0;overflow-wrap:anywhere}.finding-text{font-size:15px}.citation{display:block;text-align:left;width:100%;border:0;background:var(--soft);border-left:3px solid #8baa94;color:var(--ink);padding:10px 12px;margin-top:12px;border-radius:0 6px 6px 0}.citation blockquote{margin:0;font-size:13px;line-height:1.8}.citation small{display:block;margin-top:6px;color:var(--green);font-size:12px}.case-meta{font-size:12px;color:var(--muted);margin:5px 0 12px}.case-card p{font-size:14px}.stance{font-size:12px;color:var(--green);padding:2px 7px;background:var(--soft);border-radius:4px;display:inline-block;margin-bottom:8px}.case-card .read-source{margin-top:8px}.uncertainties{margin-top:16px;color:var(--muted);font-size:13px}.uncertainties details{background:var(--soft);padding:9px 12px;border-radius:6px}.uncertainties ul,.report-list{padding-left:20px}.report-section{margin:18px 0}.report-section h3{margin-bottom:8px}.report-section ul{padding-left:20px}.report-notes{width:100%;min-height:110px;margin-top:8px}.followup-section{margin-top:30px;border-top:1px solid var(--line);padding-top:23px}.followup-section>p{margin-top:5px}.followup-section form{margin-top:15px}.followup-section textarea{min-height:85px}.followup-item{padding:13px 0;border-bottom:1px solid var(--line)}.followup-question{font-size:13px;color:var(--muted);margin-bottom:8px}.source-pane{min-width:0;background:var(--paper);border-left:1px solid var(--line);padding:24px 18px;display:none;overflow-wrap:anywhere}.has-source .source-pane{display:block}.source-heading{display:flex;gap:8px;align-items:center;justify-content:space-between;padding-bottom:15px;border-bottom:1px solid var(--line)}.source-heading h2{font-size:17px}.source-empty{padding:50px 0}.source-empty>span{font-size:50px;font-family:Georgia,serif;color:#a7bdb0}.source-empty p{color:var(--muted);font-size:13px;margin-top:12px}.source-info{font-size:13px;color:var(--muted);margin:12px 0}.source-warning{font-size:12px;background:#f5f0e3;padding:8px;border-radius:5px;margin-bottom:15px}.source-body{font-family:"Songti SC","SimSun",serif;font-size:15px;line-height:1.95;white-space:pre-wrap}.source-body mark{background:#f2dfa6;color:#30260c;border-radius:2px;padding:1px 0}.source-jump{margin:10px 0}dialog{max-width:min(660px,calc(100vw - 30px));width:520px;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);box-shadow:0 15px 60px #12261a22}dialog::backdrop{background:#1f322c66}dialog label{margin-top:14px;margin-bottom:5px}dialog input:not([type=checkbox]){width:100%}dialog p{margin:12px 0}dialog .error{margin:8px 0}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.dialog-head .quiet{font-size:25px;padding:0 5px}#plans-dialog{width:830px;max-width:calc(100vw - 30px)}.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.plans section{padding:15px;border:1px solid var(--line);border-radius:8px}.plans .price{font-size:25px;color:var(--green);margin:10px 0}.price small{font-size:13px;color:var(--muted)}.plans p:not(.price){font-size:13px}.invite-result{overflow-wrap:anywhere;background:var(--soft);padding:10px;border-radius:6px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1600px){.layout.has-source{grid-template-columns:225px minmax(0,1fr) 430px}}@media(max-width:1100px){.layout,.layout.has-source{grid-template-columns:165px minmax(0,1fr)}.source-pane{grid-column:2;border-top:1px solid var(--line);border-left:0}.main{padding:28px 24px}.sidebar{grid-row:1/3}.topbar{padding:12px 18px}}@media(max-width:680px){.brand{font-size:21px}.top-actions{margin-left:0;width:100%;gap:5px}.brand span{font-size:13px}.environment{padding:8px 16px}.layout,.layout.has-source{display:block}.sidebar{min-height:0;border-right:0;border-bottom:1px solid var(--line);padding:12px 16px;display:block}.sidebar>.wide{width:auto}.sidebar .section-label{margin-top:10px}.history{max-height:130px;overflow:auto}.history:empty,.sidebar-bottom{display:none}.history button{padding:6px}.main{padding:25px 16px}h1{font-size:24px}.source-pane{border-top:1px solid var(--line);padding:20px 16px}.plans{grid-template-columns:1fr}.plans section p{margin-top:5px}.plans .price{margin:3px 0}.composer{padding:13px}.count{display:none}button{min-height:42px}input,textarea,select{font-size:16px}.result-heading{gap:10px}.result-actions{width:100%}.tabs{gap:17px}.followup-section .submit-row{align-items:flex-start}.top-actions #quota-label{flex-basis:100%}}

@media(min-width:1101px){.source-pane{position:sticky;top:0;align-self:start;max-height:100vh;overflow:auto}}

.welcome-offer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 19px;margin-top:23px;border:1px solid #cbded0;border-radius:10px;background:var(--soft)}
.welcome-offer strong{font-size:16px}.welcome-offer p{margin-top:3px;font-size:12px;color:var(--muted)}.offer-actions{display:flex;gap:8px;flex-wrap:wrap;flex-shrink:0}
.pricing-section{margin-top:45px;padding-top:30px;border-top:1px solid var(--line)}.pricing-section h2{font-size:25px}.included-features{display:flex;gap:17px;flex-wrap:wrap;color:var(--green);font-size:13px;margin:18px 0}
.trial-strip{background:var(--soft);border-radius:8px;padding:13px 15px;display:flex;gap:14px;align-items:center;justify-content:space-between;font-size:13px}.trial-strip p{margin:0}.trial-strip button{flex-shrink:0}
.plans{gap:13px;align-items:stretch;margin:20px 0 15px}.plan-card{position:relative;display:flex;flex-direction:column;padding:18px 16px;background:var(--paper);border:1px solid var(--line);border-radius:10px;min-width:0}.plan-card.recommended{border:2px solid var(--green);padding:17px 15px;background:#fcfefc}.plan-card-head{min-height:52px}.plan-card h3{font-size:16px}.plan-badge{display:inline-block;font-size:10px;line-height:1.7;color:var(--green);background:var(--soft);border-radius:3px;padding:0 5px;margin-top:4px}.plan-card .price{font-size:32px;font-weight:650;color:var(--green);margin:10px 0 4px;line-height:1.35;white-space:nowrap}.plan-card .price small{font-weight:400;font-size:12px}.plan-card .plan-quantity{font-size:14px;margin-bottom:10px}.plan-card .muted{min-height:43px;font-size:12px}.plan-card .unit-price{font-size:12px;color:var(--muted);margin:14px 0}.plan-card .wide{margin-top:auto;min-height:43px;font-size:13px;padding:9px 6px;white-space:normal;line-height:1.4}.plan-card .plan-term{font-size:11px;color:var(--muted);margin:9px 0 0;text-align:center}.pricing-note{font-size:12px;color:var(--muted);line-height:1.85;margin-bottom:13px}.purchase-steps{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:18px 0;margin-top:12px;border-top:1px solid var(--line);font-size:12px}.purchase-steps span{display:flex;gap:6px;align-items:center}.purchase-steps b{background:var(--soft);border-radius:50%;width:22px;height:22px;display:inline-grid;place-items:center;font-size:12px;color:var(--green)}.pricing-faq{border-top:1px solid var(--line);margin-top:20px}.pricing-faq details{border-bottom:1px solid var(--line);padding:13px 0;font-size:13px}.pricing-faq summary{cursor:pointer;font-weight:500}.pricing-faq details p{margin-top:10px;font-size:12px;color:var(--muted)}.metrics-note{font-size:11px;color:var(--muted);margin-top:15px}
.quota-nudge,.result-next{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:13px 16px;border:1px solid #d7dfca;background:#f6f7ee;border-radius:8px;font-size:13px;margin:18px 0}.quota-nudge button{flex-shrink:0}.result-next{flex-wrap:wrap;background:var(--soft);margin-top:24px}.result-next>div{flex:1;min-width:180px}.result-next p{margin-top:4px}
dialog{max-height:90dvh;overflow:auto}#plans-dialog{width:900px}#plans-dialog .plans{margin-top:18px}#contact-dialog{width:760px;max-width:calc(100vw - 30px)}.contact-plan{font-size:15px;color:var(--green);padding:10px 12px;border-radius:6px;background:var(--soft)}.contact-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start}.contact-qr{text-align:center}.contact-qr img{display:block;width:100%;height:auto;max-width:280px;margin:0 auto}.contact-qr a{font-size:12px}.contact-steps{padding-left:19px;margin:0 0 16px;font-size:13px}.contact-steps li+li{margin-top:7px}.contact-grid textarea{font-size:12px;line-height:1.8;background:var(--bg);margin-bottom:8px}.contact-notice{font-size:12px;color:#705e35;background:#f5f0e3;padding:10px;border-radius:5px}
@media(min-width:681px) and (max-width:1200px){.welcome-offer{align-items:flex-start;flex-direction:column}.layout.has-source .plans{grid-template-columns:1fr}}
@media(max-width:680px){.welcome-offer{align-items:flex-start;flex-direction:column;padding:15px}.offer-actions{width:100%}.offer-actions button{flex:1;font-size:13px;padding:7px}.pricing-section{margin-top:30px}.pricing-section h2{font-size:23px}.included-features{gap:9px;font-size:12px}.trial-strip{align-items:flex-start;flex-direction:column;gap:5px}.plans{grid-template-columns:1fr;gap:12px}.plan-card,.plan-card.recommended{padding:18px}.plan-card-head{min-height:0;display:flex;gap:10px;justify-content:space-between;align-items:center}.plan-badge{margin-top:0}.plan-card .muted{min-height:0}.plan-card .price{font-size:31px;margin-top:13px}.plan-card .unit-price{margin-top:7px}.plan-card .wide{margin-top:12px}.plan-card .plan-term{text-align:left}.purchase-steps{flex-direction:column;gap:12px}.quota-nudge{align-items:flex-start;flex-direction:column;gap:3px}.contact-grid{grid-template-columns:1fr;gap:13px}.contact-qr img{max-width:220px}.contact-steps{font-size:13px}.contact-grid textarea{font-size:14px}dialog{padding:20px}.top-actions #plans-open{font-size:13px}}