:root{--bg:#f4f6fa;--nav:#102236;--ink:#172d43;--muted:#788797;--blue:#386ef1;--line:#e6ebf1;--green:#18876f;--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.65}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:0;border-radius:10px;background:#eaf0fc;color:#315ec8;padding:11px 17px;font-weight:600;transition:background .15s,transform .15s}button:hover{filter:brightness(.96)}button:focus-visible,a:focus-visible{outline:3px solid #8eb0ff;outline-offset:3px}button:disabled{opacity:.48;cursor:not-allowed}a{color:inherit;text-decoration:none}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:32px;line-height:1.4;letter-spacing:-1px}h2{font-size:23px}h3{font-size:17px}p{margin-top:8px}.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#7294be}.primary{background:var(--blue);color:white;box-shadow:0 5px 14px #386ef11c}.wide{width:100%}.ghost{background:transparent;color:var(--muted)}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:700;color:#fff;line-height:1.3}.brand small{display:block;font-size:9px;letter-spacing:3px;color:#93abc1;margin-top:5px}.brand-icon{display:grid;place-items:center;background:#4d7df3;color:#fff;border-radius:11px;width:42px;height:42px;font-size:24px}.sidebar{width:236px;background:var(--nav);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:32px 22px;color:#a5b9ce;z-index:10}.store-label{font-size:12px;background:#ffffff08;padding:11px;border-radius:8px;margin:28px 0 25px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}nav{display:grid;gap:7px}nav button{text-align:left;background:none;color:#9bafc4;display:flex;gap:16px;font-size:18px;align-items:center;padding:13px 16px}nav button span{font-size:14px}nav button.active{background:#2f62dd;color:white;box-shadow:0 7px 20px #0001}.sidebar-bottom{margin-top:auto;padding-top:35px}.sidebar-bottom p{font-size:12px;color:#6e879f;margin:14px 0 24px}.ai-label{font-size:11px;color:#b8c9d9}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7cdbb1;margin-right:6px}.account{background:#ffffff08;color:#e7eff6;width:100%;text-align:left;font-size:13px}main{margin-left:236px;min-height:100vh}.topbar{height:76px;border-bottom:1px solid var(--line);background:#ffffffb8;display:flex;justify-content:space-between;align-items:center;padding:0 42px;font-size:12px;color:#6f8091}.topbar b{font-weight:500;color:var(--ink);margin-left:9px}#content{padding:35px 42px 24px;max-width:1580px;margin:auto}footer{font-size:11px;color:#8c9ba8;padding:22px 42px 32px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:27px}.heading p{color:var(--muted);font-size:13px}.pill{font-size:11px;border-radius:20px;background:#eaf1fe;color:#5275b6;padding:5px 11px;display:inline-block}.pill.green{background:#e7f6ef;color:var(--green)}.pill.amber{background:#fff3dc;color:#a57928}.hero{background:#e8efff;position:relative;overflow:hidden;border:1px solid #dbe5fc;border-radius:var(--radius);padding:31px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.hero h2{margin:9px 0;font-size:26px}.hero p{font-size:13px;color:#617693;max-width:480px}.hero 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p{font-size:11px;color:#8391a2}.mini-flow{display:grid;gap:16px}.flow-item{display:flex;gap:14px;align-items:center}.flow-number{width:30px;height:30px;border:1px solid #dae3f4;border-radius:50%;display:grid;place-items:center;color:#6990dc;font-size:11px}.flow-item strong{font-size:13px}.flow-item p{font-size:11px;color:#8b97a5;margin:2px 0}.notice{font-size:12px;color:#7b8999;background:#f6f8fc;border-radius:9px;padding:13px 15px;margin-top:18px;line-height:1.9}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0 22px}.filters button{background:#fff;color:#8290a0;font-size:12px;border:1px solid var(--line)}.filters .selected{background:var(--ink);color:#fff;border-color:var(--ink)}input,textarea,select{border:1px solid #dce3ed;border-radius:9px;padding:11px 13px;background:#fff;color:var(--ink);width:100%;outline:none}input:focus,textarea:focus,select:focus{border-color:#8cabf5;box-shadow:0 0 0 3px #386ef10c}label{display:block;font-size:12px;color:#6c7f92;margin:15px 0 6px}label input,label select{display:block;margin-top:7px}.catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.course-card{padding:24px;display:flex;flex-direction:column;gap:14px}.course-card h3{min-height:50px}.course-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#8c9aab}.course-card p{font-size:11px;color:#8a97a5;margin:0}.bar{background:#eef1f6;height:5px;border-radius:6px;overflow:hidden}.bar i{display:block;height:100%;background:#7195ee}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.module{padding:23px 0;border-top:1px solid var(--line)}.module h3{margin-bottom:10px}.module p{line-height:2;color:#586d80}.module button{margin-top:14px;font-size:12px}.reading{max-width:900px}.back{padding:0;background:none;color:#8c9cb0;margin-bottom:18px;font-size:12px}.quiz-option{display:flex;gap:15px;align-items:center;text-align:left;width:100%;padding:17px 20px;margin:12px 0;border:1px solid var(--line);background:#fff;color:#4d6378;font-weight:400}.quiz-option:hover{background:#eef3ff;border-color:#9eb8fb}.quiz-option b{display:grid;place-items:center;background:#f1f4fa;border-radius:7px;width:29px;height:29px;flex-shrink:0;color:#7b8fad}.quiz-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.timer{font-variant-numeric:tabular-nums;color:#ba842d}.result-row{padding:18px 0;border-top:1px solid var(--line)}.result-row p{color:#7b8998;font-size:12px}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:20px}.chat-panel{padding:0;overflow:hidden}.chat-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.chat-head p{font-size:11px;color:#8795a5}.avatar{display:grid;place-items:center;border-radius:50%;background:#e5edff;width:43px;height:43px;font-size:20px;color:#4b73c5;flex-shrink:0}.messages{height:440px;overflow-y:auto;padding:25px;background:#fbfcfe;display:flex;flex-direction:column;gap:20px}.message{max-width:87%;display:flex;gap:10px}.message.user{align-self:flex-end}.bubble{padding:13px 17px;border:1px solid #e9eef5;background:#fff;border-radius:0 13px 13px;color:#53687d;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.user .bubble{background:#eaf0ff;border-color:#e0e8ff;border-radius:13px 0 13px 13px;color:#35589b}.bubble small{display:block;margin-top:7px;font-size:10px;color:#94a1b2}.composer{padding:18px 22px;border-top:1px solid var(--line)}textarea{resize:vertical;min-height:85px}.composer .actions{justify-content:space-between;margin-top:10px}.help-card p{font-size:12px;color:#8997a5;line-height:1.9}.stage{margin:13px 0;color:#8d9caf;font-size:12px}.stage.done{color:#5681c5}.report-score{font-size:62px;line-height:1.2;font-weight:700;letter-spacing:-3px;color:#376ae1}.report-score small{font-size:15px;color:#8799ae;font-weight:400;letter-spacing:0}.dimension{padding:18px 0;border-top:1px solid var(--line)}.dimension p{font-size:12px;color:#75879b}.quote{border-left:3px solid #d8e3fc;padding:8px 12px;background:#f8faff;color:#63809e;margin:12px 0;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:#8a99a9;font-size:11px;font-weight:500;padding:14px 12px;background:#f8fafc}td{padding:17px 12px;border-bottom:1px solid #eef1f5}td button{font-size:11px;padding:6px 10px}.rank{color:#8094b0;font-weight:700}.rank.top{color:#cf9b40}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fff}.login-story{background:#11263b;padding:55px 10%;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;color:#fff;position:relative;overflow:hidden}.login-story:after{content:'';position:absolute;width:500px;height:500px;border:1px solid #ffffff0b;border-radius:50%;right:-200px;bottom:-80px;box-shadow:0 0 0 60px #ffffff02,0 0 0 120px #ffffff02;pointer-events:none}.login-story h1{font-size:43px;line-height:1.6;margin:15px 0 20px}.login-story p{color:#97aec3;line-height:2}.login-story>small{color:#627e97;font-size:12px}.steps{display:flex;gap:23px;margin-top:38px;font-size:12px;color:#a5bfe0}.login-card{width:min(100%,440px);padding:45px;align-self:center;justify-self:center}.login-card h2{margin:10px 0}.login-card form{margin-top:28px}.login-card button{margin-top:25px}#login-error{color:#be5555;font-size:12px;min-height:22px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#193149;color:white;padding:13px 23px;border-radius:12px;box-shadow:0 8px 30px #0002;z-index:100;max-width:90%;font-size:13px}.stack{display:grid;gap:20px}.note{white-space:pre-wrap;overflow-wrap:anywhere;color:#62788d;font-size:13px}.loading{padding:80px;text-align:center;color:#8a9aad}@media(min-width:1500px){#content{padding-top:45px}.hero{padding:38px 42px}}@media(max-width:1150px){.sidebar{width:205px;padding:28px 17px}main{margin-left:205px}#content{padding:28px}.topbar{padding:0 28px}.catalog{grid-template-columns:repeat(2,1fr)}.practice-layout{grid-template-columns:1fr}.help-card{display:none}.stats{gap:12px}.stat{padding:17px}.grid-two{grid-template-columns:1fr}.login-story h1{font-size:34px}}@media(max-width:700px){.sidebar{position:static;width:100%;padding:17px 18px;display:block}.sidebar>.brand{font-size:18px}.brand-icon{width:33px;height:33px;font-size:20px}.sidebar .store-label,.sidebar-bottom,.sidebar .brand small{display:none}nav{display:flex;overflow-x:auto;margin-top:16px;gap:6px}nav button{padding:9px 12px;white-space:nowrap;font-size:0;gap:0}nav button span{font-size:12px}main{margin-left:0}.topbar{height:52px;padding:0 20px;font-size:10px}#content{padding:24px 18px}.heading{align-items:flex-start;margin-bottom:20px}.heading h1{font-size:25px}.heading>.pill{display:none}.hero{padding:24px;align-items:flex-start}.hero h2{font-size:21px}.hero p{font-size:12px}.orbit{width:90px;height:90px;padding:7px;margin-top:20px}.orbit>div{border-width:5px}.orbit strong{font-size:22px}.orbit span{font-size:8px}.stats{grid-template-columns:repeat(2,1fr)}.catalog{grid-template-columns:1fr}.card{padding:20px}.chat-panel{padding:0}.messages{height:390px;padding:18px}.message{max-width:95%}.chat-head{padding:18px}.login-shell{grid-template-columns:1fr}.login-story{min-height:310px;padding:30px}.login-story h1{font-size:27px;line-height:1.4;margin:15px 0}.login-story .eyebrow,.login-story>small,.steps{display:none}.login-story p{font-size:12px}.login-card{padding:32px}.grid-two{gap:16px}.section-title h3{font-size:16px}footer{padding:15px 20px}.actions button{font-size:12px}.reading{max-width:100%}}

.grid-two{align-items:start}@media(max-width:700px){.sidebar-bottom{display:flex;padding-top:12px;gap:10px}.sidebar-bottom p,.sidebar-bottom .ai-label{display:none}.sidebar-bottom .account{width:auto;font-size:11px;padding:7px 12px}.sidebar-bottom .ghost{font-size:11px;padding:7px 12px}.hero .eyebrow{letter-spacing:1px;font-size:9px}}
/* V3: knowledge, independent practice and scoped operations */
.sidebar{overflow-y:auto}.sidebar nav{gap:3px}.sidebar nav button{padding:10px 15px}.sidebar-bottom{padding-top:22px}.brand-logo{width:42px;height:42px;object-fit:contain;border-radius:8px;background:white}.welcome-v3{background:linear-gradient(115deg,#e4edff,#f0f5ff 60%,#e1f3ef);border:1px solid #dce6f7;border-radius:22px;padding:36px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:20px}.welcome-v3 h2{font-size:32px;line-height:1.55;margin:12px 0}.welcome-v3 p{color:#71849c;font-size:13px}.readiness{display:flex;align-items:center;flex-direction:column;gap:20px;min-width:215px}.readiness-orbit{width:165px;height:165px;border:12px solid #a9bee852;box-shadow:0 0 0 13px #b7cdee1f;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f6faff8c}.readiness-orbit strong{font-size:42px;line-height:1.2}.readiness-orbit small{font-size:13px;color:#8e9eb2;margin-left:6px}.readiness-orbit span{color:#7790a9;font-size:12px}.module-entries{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}.module-entries>button{display:flex;gap:15px;align-items:center;padding:22px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:16px;color:var(--ink)}.module-entries>button b{margin-left:auto;color:#8b9db4}.module-entries strong{font-size:15px}.module-entries p{font-size:10px;font-weight:400;color:#8c9aab;margin-top:5px}.entry-icon{width:45px;height:45px;border-radius:13px;background:#eaf0ff;color:#537ae1;font-size:26px;display:grid;place-items:center;flex-shrink:0}.entry-icon.mint{background:#e6f6ef;color:#329374}.entry-icon.violet{background:#f0ebfb;color:#8a68be}.path-flow{display:grid;gap:10px;margin-top:19px}.path-flow button{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:12px;text-align:left;background:#f8fafd;padding:12px;color:var(--ink)}.path-flow button>span{width:28px;height:28px;border:1px solid #dce4f3;color:#6c89b9;border-radius:50%;display:grid;place-items:center;font-size:11px}.path-flow button strong{font-size:12px;font-weight:500}.path-flow button small{font-size:10px;color:#91a0b3;font-weight:400}.search-line{display:flex;align-items:center;gap:12px}.search-line input{flex:1}.search-line select{max-width:160px}.search-line button{white-space:nowrap}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.knowledge-card h3{margin:17px 0 8px}.knowledge-card>p{color:#8090a2;font-size:12px;line-height:1.9;min-height:70px}.knowledge-card button{margin-top:17px;font-size:12px}.resource-chips{display:flex;gap:6px;margin-top:10px}.resource-chips span{font-size:10px;padding:2px 7px;background:#f0f4fb;color:#8095b2;border-radius:4px}.knowledge-body{white-space:pre-wrap;line-height:2.1!important;overflow-wrap:anywhere;font-size:14px;color:#526d87}.resource-grid{display:grid;gap:20px;margin-top:20px}.resource img,.resource video{display:block;width:100%;max-height:500px;object-fit:contain;border:1px solid var(--line);border-radius:12px;background:#f5f7fb}.resource small{display:block;color:#95a1af;margin:8px 0}.resource a{display:block;padding:18px;background:#f3f6fd;border-radius:10px;color:var(--blue)}.scenario-banner{display:flex;gap:20px;align-items:center;background:#f0edfa;border:1px solid #e7e0f4;border-radius:14px;padding:22px 26px;margin-bottom:25px}.scenario-banner p{font-size:12px;color:#8b81a0}.scenario-banner button{margin-left:auto;white-space:nowrap}.scenario-persona{padding:8px 12px;background:#f6f8fc;border-radius:8px;font-size:12px;color:#8999ae}.persona-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.persona{border:1px solid var(--line);padding:17px;border-radius:12px;margin:0;cursor:pointer}.persona:has(input:checked){border-color:#6e98f3;background:#f4f7ff}.persona input{width:auto;margin:0 7px 0 0;display:inline}.persona strong{font-size:13px;color:#567392}.persona small{display:block;font-size:11px;color:#8e9eb1;margin-top:8px}.toggle{display:flex;align-items:center;gap:8px;margin:20px 0;line-height:1.8}.toggle input{width:auto;display:inline;margin:0;flex-shrink:0}.setup-stats{display:flex;gap:45px;margin:25px 0}.setup-stats>div{display:flex;flex-direction:column}.setup-stats strong{font-size:37px;color:var(--blue)}.setup-stats span{font-size:11px;color:#92a1b1}.voice-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}.voice-toolbar button{font-size:11px;padding:8px 11px}.voice-toolbar span{color:#94a2b3;font-size:10px}.outcome{display:flex;gap:17px;align-items:center;border:1px solid #e5e8ee;background:#f0f3fa;padding:19px 24px;border-radius:14px;margin-bottom:25px}.outcome>span{font-size:29px;color:#7893bf}.outcome.passed{background:#ebf7ef;border-color:#d6efdf}.outcome.passed>span{color:#3b9d6c}.outcome p{font-size:11px;color:#889aab}.paths-grid{grid-template-columns:repeat(2,1fr)}.path-list{margin:22px 0}.path-list button{width:100%;display:flex;align-items:center;gap:13px;text-align:left;background:none;color:#56728d;font-size:12px;padding:16px 0;border-bottom:1px solid var(--line);border-radius:0}.path-list button span{font-size:11px;color:#8ca1be}.path-list button small{margin-left:auto;color:#9aa8b9;font-size:10px;white-space:nowrap}.certificate{background:linear-gradient(120deg,#fff5dd,#fffaf0);border:1px solid #f2e1b3;padding:20px;margin-top:20px;border-radius:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.certificate>span{color:#be9236;font-size:25px}.certificate small{width:100%;font-size:10px;color:#b09762}.admin-links,.toolbar{display:flex;gap:10px;margin-bottom:25px;flex-wrap:wrap}.admin-links button{font-size:12px;color:#788da6;background:#e9eef5}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}form>.primary{margin-top:18px}.file-button{margin:0;background:#eaf0fc;padding:10px 15px;border-radius:10px;cursor:pointer;color:#315ec8;font-weight:600}.asset-row{display:flex;justify-content:space-between;align-items:center;padding:10px;background:#f4f7fc;border-radius:8px;margin:7px 0}.asset-row button{padding:5px 9px;font-size:11px}.org-tree>div{display:flex;gap:13px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.org-tree small{font-size:10px;color:#9aaaba;margin-left:auto}.score-timeline{display:flex;gap:15px;align-items:flex-end;min-height:140px;overflow-x:auto;padding:15px}.score-timeline>div{display:flex;align-items:center;flex-direction:column;gap:7px;flex-shrink:0}.score-timeline i{width:24px;border-radius:5px;background:#85a6f1}.score-timeline strong{font-size:11px;color:#6d85a7}.score-timeline small{font-size:9px;color:#91a2b7}.history-record{margin-top:15px}.history-record summary{display:flex;justify-content:space-between;gap:16px;cursor:pointer}.history-record summary>span{color:#96a5b6;font-size:12px}.code-check{width:auto}.brand input[type=color]{height:45px}.share-shell{max-width:760px;margin:50px auto;padding:25px}.share-shell .card{margin-top:25px}.share-footer{text-align:center;font-size:11px;color:#99a6b4;margin-top:20px}@media(max-width:1250px){.module-entries>button{padding:15px;gap:9px}.module-entries p{font-size:9px}.knowledge-grid{grid-template-columns:repeat(2,1fr)}.entry-icon{width:35px;height:35px;font-size:23px}}@media(max-width:700px){.sidebar nav{gap:6px}.sidebar nav button{padding:9px 12px}.welcome-v3{padding:25px 22px;align-items:flex-start;gap:10px}.welcome-v3 h2{font-size:24px}.welcome-v3 .eyebrow{font-size:8px;letter-spacing:1px}.welcome-v3 p{font-size:11px}.readiness{min-width:78px;margin-top:40px;gap:12px}.readiness-orbit{width:80px;height:80px;border-width:6px;box-shadow:0 0 0 5px #b7cdee1f}.readiness-orbit strong{font-size:24px}.readiness-orbit small{font-size:9px;margin-left:2px}.readiness-orbit span{font-size:8px}.readiness .pill{font-size:8px;padding:3px 5px}.module-entries{grid-template-columns:1fr;gap:10px}.module-entries>button{padding:16px;gap:15px}.module-entries p{font-size:10px}.knowledge-grid,.paths-grid{grid-template-columns:1fr}.search-line{flex-wrap:wrap}.search-line input{flex-basis:100%}.search-line select{max-width:none;width:130px;flex:1}.search-line button{font-size:11px}.path-flow button{grid-template-columns:25px 1fr}.path-flow button small{display:none}.persona-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.scenario-banner{padding:18px;flex-wrap:wrap;gap:12px}.scenario-banner p{font-size:11px}.scenario-banner strong{font-size:13px}.scenario-banner button{margin-left:0}.history-record summary{flex-direction:column}.path-list button{flex-wrap:wrap}.path-list button small{margin-left:22px}.share-shell{margin:15px auto;padding:16px}}
.sidebar nav button.active,.brand-icon{background:var(--blue)}.welcome-v3{background:linear-gradient(115deg,color-mix(in srgb,var(--blue) 13%,white),#f4f8fc 62%,#e6f5f0)}.hero,.entry-icon{background:color-mix(in srgb,var(--blue) 10%,white)}.bar i{background:color-mix(in srgb,var(--blue) 75%,white)}

.login-tabs{display:flex;gap:6px;margin-top:24px;border-bottom:1px solid #e3e9f2}.login-tabs .tab{background:none;border:0;padding:10px 14px;color:#6b7c93;font-size:14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.login-tabs .tab.active{color:var(--blue,#386ef1);border-bottom-color:var(--blue,#386ef1);font-weight:600}.login-card form{margin-top:18px}.code-row{display:flex;gap:8px;align-items:stretch}.code-row input{flex:1;min-width:0}.code-row button{margin-top:0;white-space:nowrap;padding:0 14px;font-size:13px}.code-row button[disabled]{opacity:.55;cursor:default}

/* ---- AI 助手(对话) ---- */
.chat-shell{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px;align-items:start}
.chat-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:sticky;top:12px}
.chat-list{margin-top:10px;display:flex;flex-direction:column;gap:4px;max-height:60vh;overflow:auto}
.chat-item{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:9px;cursor:pointer;font-size:12.5px;color:#3d4d60}
.chat-item:hover{background:#f3f6fb}.chat-item.active{background:#eaf0ff;color:#2d4fb5;font-weight:600}
.chat-item span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-item button{background:none;border:0;color:#9aa8b8;font-size:14px;padding:0 2px;cursor:pointer}
.chat-main{padding:0;display:flex;flex-direction:column;min-height:62vh}
.chat-topbar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:12px}
.chat-topbar .toggle-side{display:none}
.chat-msgs{flex:1;overflow:auto;padding:18px 18px 6px;display:flex;flex-direction:column;gap:14px;max-height:58vh}
.cmsg{display:flex;gap:10px;align-items:flex-start}
.cmsg.user{flex-direction:row-reverse}
.cavatar{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;font-size:14px;font-weight:700;background:#4d7df3;color:#fff}
.cmsg.user .cavatar{background:#e6ebf3;color:#4b5a6e}
.cbody{max-width:min(72%,720px);padding:11px 14px;border-radius:4px 14px 14px 14px;background:#f4f7fb;border:1px solid #e8edf4;font-size:13.5px;line-height:1.75;color:#2f3d4e;overflow-wrap:anywhere}
.cmsg.user .cbody{background:#4d7df3;color:#fff;border-color:#4d7df3;border-radius:14px 4px 14px 14px}
.cbody p{margin:0 0 6px}.cbody p:last-child{margin:0}.cbody ul,.cbody ol{margin:4px 0 6px 18px;padding:0}.cbody li{margin:2px 0}
.cbody .cursor::after{content:'▍';animation:blink 1s steps(1) infinite;color:#4d7df3}
@keyframes blink{50%{opacity:0}}
.cmeta{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;align-items:center}
.cmeta button{background:none;border:1px solid #dfe6ef;border-radius:999px;padding:2px 9px;font-size:11px;color:#5b6b80;cursor:pointer}
.cmeta .src{font-size:10.5px;color:#7b8a9c;background:#eef2f7;border-radius:999px;padding:2px 8px}
.chat-empty{margin:auto;text-align:center;color:#6f8091;font-size:13px;padding:30px 10px}
.chat-empty h3{color:var(--ink);margin-bottom:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
.chip{border:1px solid #d9e3f5;background:#f3f6fd;color:#35589b;border-radius:999px;padding:6px 12px;font-size:12px;cursor:pointer}
.chat-composer{border-top:1px solid var(--line);padding:12px 16px 14px}
.chat-composer textarea{width:100%;resize:none;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:13.5px;min-height:54px}
.chat-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px}
.chat-actions button{margin-top:0}
.chat-actions button[data-act=chat-mic]{width:40px;height:38px;border-radius:10px;background:#eaf0ff;color:#2d4fb5;border:0;font-size:16px}
@media(max-width:900px){.chat-shell{grid-template-columns:1fr}.chat-side{display:none;position:static}.chat-side.open{display:block}.chat-topbar .toggle-side{display:inline-block}.cbody{max-width:88%}.chat-msgs{max-height:none}}
/* ---- 查数据库 ---- */
.db-search{display:flex;gap:8px;align-items:stretch}
.db-search input{flex:1;min-width:0}
.db-search button{margin-top:0;white-space:nowrap}
.db-search button[data-act=db-mic]{width:44px;border-radius:10px;background:#eaf0ff;color:#2d4fb5;border:0;font-size:16px}
.db-card{margin-top:12px}
.db-head{display:flex;align-items:center;gap:10px;cursor:pointer;background:none;border:0;width:100%;text-align:left;padding:0}
.db-head h3{font-size:15px;margin:0}
.db-standard{margin-top:4px;color:#b91c1c;font-weight:600;font-size:12.5px}
.db-media{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;margin-top:10px}
.db-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;border:1px solid var(--line);cursor:zoom-in;display:block}
.db-video{margin-top:10px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#000}
.db-video video{display:block;width:100%;max-height:360px;background:#000}
.db-video div{padding:6px 10px;font-size:11.5px;color:#dbe6f7;background:#111827}
.db-body{margin-top:10px;font-size:13px;line-height:1.75;color:#3d4d60;white-space:pre-wrap;overflow-wrap:anywhere}
.explain-grid{display:grid;gap:8px;margin-top:10px}
.explain-grid div{padding:9px 11px;border-radius:10px;background:#f4f7fb;border:1px solid #e8edf4}
.explain-grid b{display:block;font-size:11px;color:#2d4fb5;margin-bottom:3px}
.lightbox{position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.94);display:flex;align-items:center;justify-content:center;padding:12px;cursor:zoom-out}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain}
.small{font-size:11px}
/* 组织总览 */
.org-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:12px}
.org-card{text-align:left;background:#f7f9fc;border:1px solid var(--line);border-radius:14px;padding:14px;cursor:pointer;transition:box-shadow .15s}
.org-card:hover{box-shadow:0 6px 18px rgba(77,125,243,.12);border-color:#c9d7f5}
.org-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}.org-head strong{font-size:14px}
.org-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;font-size:11px;color:#6f8091}
.org-nums b{display:block;font-size:15px;color:var(--ink)}
.admin-links{display:flex;flex-wrap:wrap;gap:8px}