/* All styles scoped to the research module. */
.rs-root{--rs-accent:#276a65;--rs-tint:rgba(39,106,101,.07);max-width:1500px;margin:0 auto;color:var(--text);padding:8px 0 24px}.rs-root *{box-sizing:border-box}.rs-hero{display:flex;justify-content:space-between;align-items:center;padding:14px 2px 24px}.rs-eyebrow{font-size:10px;letter-spacing:2.3px;color:var(--rs-accent);font-weight:700}.rs-hero h1{font-size:30px;margin:7px 0 6px;letter-spacing:2px}.rs-hero p,.rs-muted{color:var(--muted);font-size:12px;line-height:1.8}.rs-hero-note{font-size:12px;color:var(--rs-accent);text-align:right}.rs-hero-note small{display:block;margin-top:9px;color:var(--muted);letter-spacing:2px}.rs-live-dot{display:inline-block;width:7px;height:7px;background:#b38e56;border-radius:50%;margin-right:6px}.rs-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}.rs-tabs button{border:1px solid var(--line);border-radius:13px;text-align:left;padding:16px 18px;background:var(--paper);color:var(--text);position:relative}.rs-tabs button.active{background:var(--rs-accent);border-color:var(--rs-accent);color:white;box-shadow:0 5px 15px rgba(39,106,101,.13)}.rs-tabs button>span{float:right;font-size:11px;opacity:.65}.rs-tabs strong{display:block;font-size:15px;margin-bottom:7px}.rs-tabs small{font-size:11px;opacity:.75}.rs-context{display:grid;grid-template-columns:1.2fr 1fr 1.4fr 1.3fr;gap:16px;padding:16px 20px;border:1px solid var(--line);border-radius:13px;background:var(--paper);margin-bottom:20px}.rs-context label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:var(--muted)}.rs-root select,.rs-root input,.rs-root textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--text);padding:10px;font:inherit}.rs-context select{font-size:12px}.rs-standard{border-left:1px solid var(--line);padding-left:18px;align-self:center}.rs-standard small{display:block;color:var(--muted);font-size:10px;margin-bottom:10px}.rs-standard strong{font-size:12px}.rs-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.rs-metrics>div{padding:16px 20px;border-radius:12px;background:var(--rs-tint);border:1px solid var(--line)}.rs-metrics span,.rs-metrics small{display:block;font-size:11px;color:var(--muted)}.rs-metrics strong{display:block;font-size:27px;margin:6px 0;color:var(--rs-accent)}.rs-metrics small{font-size:10px}.rs-three{display:grid;grid-template-columns:minmax(210px,.8fr) minmax(250px,1.15fr) minmax(260px,1.05fr);gap:16px;align-items:start}.rs-two{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;align-items:start}.rs-panel{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:20px;min-width:0;margin-bottom:16px}.rs-panel h2{font-size:15px;margin:0 0 16px}.rs-panel h3{font-size:15px}.rs-panel p{font-size:12px;line-height:1.9}.rs-heading{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:14px}.rs-heading h2{margin:0}.rs-tag{display:inline-block;font-size:10px;color:var(--rs-accent);background:var(--rs-tint);border-radius:5px;padding:4px 7px;white-space:nowrap}.rs-chips,.rs-actions{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.rs-root button{cursor:pointer}.rs-root button:disabled{cursor:not-allowed;opacity:.5}.rs-root .primary{background:var(--rs-accent);border-color:var(--rs-accent);color:white}.rs-chips button{font-size:10px;padding:6px 9px}.rs-row{display:block;width:100%;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px;margin:9px 0;color:var(--text);overflow-wrap:anywhere}.rs-row.selected{border-color:var(--rs-accent);background:var(--rs-tint)}.rs-row strong{display:block;font-size:12px;line-height:1.8}.rs-row small{display:block;margin:6px 0;color:var(--muted);font-size:10px;line-height:1.7}.rs-source{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:2.1;padding:16px;border-radius:10px;background:var(--soft);max-height:440px;overflow:auto;min-height:150px}.rs-status{font-size:11px;line-height:1.8;background:var(--rs-tint);padding:11px 13px;border-radius:8px;color:var(--rs-accent);margin:12px 0}.rs-evidence{border-top:1px solid var(--line);padding:14px 0;font-size:12px;overflow-wrap:anywhere}.rs-evidence small{color:var(--muted);line-height:1.7}.rs-root blockquote{margin:12px 0;padding:10px 14px;border-left:3px solid var(--rs-accent);background:var(--rs-tint);font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.rs-empty{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px 12px;min-height:180px;color:var(--muted)}.rs-empty-mark{font-size:25px;font-weight:200;width:44px;height:44px;border:1px dashed var(--line);border-radius:50%;margin-bottom:14px}.rs-empty strong{font-size:13px;color:var(--text)}.rs-empty p{font-size:11px;max-width:260px;line-height:1.9}.rs-field{display:flex;flex-direction:column;gap:8px;margin:15px 0;color:var(--muted);font-size:12px}.rs-field textarea{resize:vertical;line-height:1.8}.rs-steps{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--paper);border:1px solid var(--line);padding:13px 20px;border-radius:12px;margin-bottom:20px;font-size:12px;color:var(--muted)}.rs-steps b{margin-right:10px;font-weight:400;opacity:.6}.rs-steps .active{color:var(--rs-accent);font-weight:700}.rs-origin{border-left:3px solid var(--rs-accent);padding-left:12px;color:var(--rs-accent)}.rs-dimensions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.rs-dimensions>div{background:var(--rs-tint);padding:13px;border-radius:8px}.rs-dimensions span,.rs-dimensions small{display:block;font-size:11px;color:var(--muted)}.rs-dimensions strong{display:block;font-size:20px;margin:8px 0}.rs-dimensions small{font-size:10px}.rs-pending{border-style:dashed}.rs-footer{text-align:center;color:var(--muted);font-size:10px;margin-top:22px}.rs-notice{padding:12px;background:var(--rs-tint);color:var(--rs-accent);border-radius:8px;font-size:12px}.rs-overlay{position:fixed;inset:0;background:rgba(18,30,34,.35);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px}.rs-modal{background:var(--paper);color:var(--text);border:1px solid var(--line);padding:26px;border-radius:17px;width:650px;max-width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 80px rgba(0,0,0,.18)}.rs-root :focus-visible{outline:2px solid var(--rs-accent);outline-offset:3px}@media(max-width:1100px){.rs-three{grid-template-columns:1fr 1fr}.rs-three>.rs-panel:last-child{grid-column:1/-1}.rs-context{grid-template-columns:1fr 1fr}}@media(max-width:720px){.rs-tabs{grid-template-columns:1fr 1fr}.rs-two,.rs-three{grid-template-columns:1fr}.rs-three>.rs-panel:last-child{grid-column:auto}.rs-metrics{grid-template-columns:1fr 1fr}.rs-hero{align-items:start}.rs-hero-note{max-width:140px}.rs-context{padding:12px;gap:10px}.rs-standard{padding-left:0;border:0}.rs-steps{flex-wrap:wrap}.rs-panel{padding:15px}.rs-tabs button{padding:13px}.rs-tabs small{font-size:10px}}

/* v2.17 — 教研台统一设计，所有选择器限定当前模块。 */
.rs-root{--rs-accent:#0878ef;--rs-tint:rgba(10,120,239,.065);--rs-hairline:rgba(102,123,152,.13);--rs-glass:rgba(255,255,255,.66);--rs-ink:#25334b;--rs-secondary:#738297;--rs-shadow:0 16px 44px rgba(46,78,119,.045),inset 0 1px 0 rgba(255,255,255,.8);color:var(--rs-ink);max-width:1640px;padding:4px 0 0}
.main:has(.rs-root){padding-bottom:18px}.main:has(.rs-root)>.footnote{display:none}body:has(.rs-root) .paper-backdrop{opacity:.7;background:radial-gradient(ellipse at 78% 18%,#e4eeff80,transparent 65%),radial-gradient(ellipse at 6% 85%,#eeebfc70,transparent 65%)}body:has(.rs-root) .top-tabs{background:rgba(235,241,249,.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid #ffffffb5}body:has(.rs-root) .top-tabs button.active{color:#0878ef}
.rs-root button{transition:background .15s,color .15s,box-shadow .15s}.rs-root .primary{background:linear-gradient(160deg,#218afa,#0870e8);border:1px solid #ffffff38;color:#fff;box-shadow:0 4px 12px #0878ef25,inset 0 1px 0 #ffffff25;border-radius:11px;font-weight:550;font-size:12px;padding:9px 14px}.rs-root .primary:hover{background:#086ad6;color:white}.rs-root .secondary{background:#edf3fc9e;color:#2770c9;border:0;font-weight:500;font-size:12px;border-radius:9px}.rs-root .ghost{color:#5d7b9e;font-weight:500;font-size:11px}.rs-root .ghost:hover{background:#e9f1fb}.rs-root :focus-visible{outline:2px solid #7bb6f1;outline-offset:3px}.rs-root :is(input,select,textarea){border:1px solid var(--rs-hairline);background:#ffffff8c;border-radius:9px;color:var(--rs-ink);font-size:12px;box-shadow:none}.rs-root :is(input,select,textarea):focus{border-color:#89b9f0;outline:2px solid #1781ed0c}.rs-root textarea{line-height:1.85}
.rs-hero{padding:0 2px;margin-bottom:16px;min-height:54px}.rs-hero h1,.pc-hero h1{font-size:24px;letter-spacing:-.6px;font-weight:650;margin:0 0 4px}.rs-hero p,.pc-hero p{font-size:12px;color:var(--rs-secondary);line-height:1.65}.rs-hero-note{font-size:11px;color:#6384a8;line-height:1.6}.rs-hero-note small{font-size:10px;letter-spacing:.3px;margin-top:2px}.rs-live-dot{background:#6b9ed2;width:6px;height:6px}.rs-eyebrow{font-size:10px;letter-spacing:.5px;color:#7290b0;font-weight:500}
.rs-context{grid-template-columns:1fr 1.15fr 1.25fr 1.1fr;gap:22px;border:0;border-radius:14px;background:#f1f5fa80;padding:12px 16px;margin-bottom:18px}.rs-context label{font-size:10px;color:var(--rs-secondary);gap:4px}.rs-context select{border:0;background:transparent;padding:3px 18px 3px 0;height:28px;font-size:12px}.rs-standard{border-left:1px solid var(--rs-hairline);padding-left:18px}.rs-standard small{font-size:10px;margin-bottom:4px}.rs-standard strong{font-size:11px;font-weight:500}
.rs-steps{border:0;border-radius:0;background:transparent;padding:0 6px 12px;margin:0 0 14px;border-bottom:1px solid var(--rs-hairline);justify-content:flex-start;gap:30px;font-size:11px}.rs-steps b{margin-right:6px;color:#8a9bb0}.rs-steps .active{font-weight:550}.rs-steps button{font-size:11px;padding:7px 12px}.rs-two{grid-template-columns:minmax(0,1.6fr) minmax(300px,1fr);gap:26px;height:clamp(340px,calc(100dvh - 350px),960px);align-items:stretch}.rs-two>section,.rs-two>aside{height:100%;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c1ccd955 transparent}.rs-two>aside{padding:12px 0 0 2px}.rs-panel{border:0;border-radius:18px;background:var(--rs-glass);backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%);box-shadow:var(--rs-shadow);padding:22px 24px;margin:0;min-width:0}.rs-panel h2{font-size:14px;font-weight:600}.rs-panel p{color:var(--rs-secondary);font-size:12px;line-height:1.8}.rs-panel .rs-heading{margin-bottom:14px}.rs-two>aside .rs-panel{background:transparent;border-radius:0;box-shadow:none;backdrop-filter:none;padding:6px 18px 22px}.rs-two>aside .rs-panel+.rs-panel{border-top:1px solid var(--rs-hairline);padding-top:20px}.rs-field{margin:14px 0;font-size:11px;color:#78899c;gap:6px}.rs-field textarea{font-size:13px;resize:vertical}.rs-actions{gap:10px}.rs-status,.rs-notice{background:#e8f1fc80;color:#5c7fa6;padding:9px 12px;font-size:11px;border-radius:8px}.rs-notice{margin-bottom:12px}.rs-tag{background:#edf3fa;color:#6c89a8;border-radius:6px;padding:3px 7px;font-size:10px}.rs-row{border:0;border-radius:8px;background:transparent;border-bottom:1px solid var(--rs-hairline);padding:14px 4px;margin:0}.rs-row.selected{background:#e7f0fc88;border:0;border-bottom:1px solid #a2c8f2}.rs-row strong{font-size:12px;font-weight:550}.rs-row small{color:#8090a4;margin:3px 0}.rs-evidence{border-color:var(--rs-hairline);padding:16px 0}.rs-root blockquote{background:#edf4fe80;border-left:2px solid #9bbdeb;border-radius:0 8px 8px 0}.rs-empty{padding:28px 16px;min-height:160px}.rs-empty-mark{border:0;background:#eef3fa;width:36px;height:36px;color:#88a2bf;font-size:20px;margin-bottom:12px}.rs-empty strong{font-weight:550;color:#597393}.rs-empty p{font-size:11px;color:#8695a7}.rs-source{background:#eef4fc65;border-radius:9px;max-height:360px}.rs-metrics{gap:0;margin-bottom:16px;border-bottom:1px solid var(--rs-hairline);padding:0 0 14px}.rs-metrics>div{border:0;border-radius:0;background:none;padding:0 18px}.rs-metrics>div+div{border-left:1px solid var(--rs-hairline)}.rs-metrics strong{font-weight:550;font-size:26px;color:#486a93;margin:2px 0}.rs-metrics small{font-size:10px}.rs-dimensions{grid-template-columns:repeat(6,1fr);gap:0;border-bottom:1px solid var(--rs-hairline);padding:0 0 14px;margin-bottom:10px}.rs-dimensions>div{background:none;border-radius:0;padding:0 7px}.rs-dimensions strong{font-size:19px;color:#597fa9;margin:4px 0}.rs-dimensions small{font-size:9px}.rs-root[data-rs-page="3"] .rs-two{height:clamp(280px,calc(100dvh - 420px),900px)}.rs-footer{font-size:10px;color:#94a2b5;line-height:1.6;margin-top:12px;padding:0 8px}.rs-modal{background:rgba(249,252,255,.93);border:1px solid #ffffffbe;backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);box-shadow:0 24px 80px #27477722;border-radius:22px;color:var(--rs-ink)}.rs-overlay{background:#24456838;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
@media(max-width:1100px){.rs-context{gap:12px}.rs-two{grid-template-columns:minmax(0,1.3fr) minmax(270px,1fr);gap:18px}.rs-panel{padding:18px}.rs-dimensions{grid-template-columns:repeat(3,1fr);gap:10px}.rs-hero-note{font-size:10px}}
@media(max-width:720px){.rs-hero{align-items:center}.rs-hero h1{font-size:22px}.rs-hero-note{max-width:130px}.rs-context{grid-template-columns:1fr 1fr;padding:10px 12px;gap:10px;margin-bottom:14px}.rs-standard{border:0;padding:0}.rs-two{height:auto;grid-template-columns:1fr;gap:16px}.rs-two>section{height:500px}.rs-two>aside{height:360px;padding:0}.rs-two>aside .rs-panel{padding:18px 14px}.rs-root[data-rs-page="3"] .rs-two{height:auto}.rs-root[data-rs-page="3"] .rs-two>section{height:470px}.rs-metrics{grid-template-columns:repeat(2,1fr);gap:14px}.rs-metrics>div{padding:0 12px}.rs-metrics>div:nth-child(3){border-left:0}.rs-steps{gap:8px;justify-content:space-between;font-size:10px}.rs-steps button{font-size:10px;padding:6px}.rs-footer{text-align:left}}
body.night .rs-root{--rs-glass:rgba(37,48,65,.74);--rs-ink:#e0e9f6;--rs-secondary:#9cacc3;--rs-hairline:rgba(185,204,230,.13);--rs-shadow:0 18px 45px #070e1725,inset 0 1px 0 #ffffff08;--rs-tint:#4986ce12}body.night:has(.rs-root){background:#1d2530}body.night:has(.rs-root) .paper-backdrop{opacity:.13}body.night:has(.rs-root) .top-tabs{background:#283547b0;border-color:#ffffff0a}body.night:has(.rs-root) .top-tabs button.active{color:#9dc9ff;background:#384b63}body.night .rs-root :is(input,select,textarea){background:#253246;color:#dce8fa;border-color:#586f8838}body.night .rs-root .secondary,body.night .rs-root .rs-tag,body.night .rs-empty-mark{background:#354b684f;color:#aac8ef}body.night .rs-root .ghost{color:#9abfea}body.night .rs-root .ghost:hover{background:#304764}body.night .rs-context,body.night .rs-status,body.night .rs-source,body.night .rs-root blockquote,body.night .rs-notice{background:#354b681f}body.night .rs-row.selected{background:#35578038}body.night .rs-modal{background:#243246eb}
@media(prefers-reduced-motion:reduce){.rs-root button{transition:none}}

.rs-root[data-rs-page="2"] .rs-two{height:clamp(340px,calc(100dvh - 375px),940px)}.rs-inline-actions{display:flex;gap:8px;align-items:center}.rs-inline-actions button{font-size:10px!important;padding:7px 10px!important;white-space:nowrap}.rs-root[data-rs-page="1"] .rs-two>section>.rs-heading{position:sticky;top:-22px;z-index:2;background:var(--rs-glass);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);padding:12px 0;margin-top:-12px;border-bottom:1px solid var(--rs-hairline)}
@media(max-width:720px){.rs-root[data-rs-page="2"] .rs-two{height:auto}.rs-root[data-rs-page="2"] .rs-two>section{height:470px}.rs-inline-actions{gap:4px}.rs-inline-actions button{font-size:9px!important;padding:6px 8px!important}.rs-root[data-rs-page="1"] .rs-two>section>.rs-heading{top:-18px}}