:root{--ink:#273e35;--green:#345e4b;--muted:#7c8279;--paper:#f6f5ef;--line:#e4e6dd;--soft:#ebf0e6;--gold:#a88c59}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,PingFang SC,Microsoft Yahei,sans-serif;font-size:14px;line-height:1.65}button,input,select,textarea{font:inherit}.button,button{border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:10px 17px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s}.button:hover,button:hover{border-color:#9dae99;background:#f0f4ed}button:disabled{cursor:not-allowed;opacity:.45}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #c7ab72;outline-offset:3px}.primary{background:var(--green);border-color:var(--green);color:#fff}.primary:hover{background:#244d3b;color:#fff}h1,h2,h3,p{margin-top:0}h1{font-size:30px;letter-spacing:1px;margin-bottom:10px}h1,h2{font-weight:600}h2{font-size:19px}h3{font-size:17px;font-weight:600}p{margin-bottom:14px}.small,small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--gold);margin-bottom:12px}.shell{display:flex;min-height:100vh}.sidebar{width:242px;flex-shrink:0;background:#fcfcf8;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;padding:32px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;font-family:Georgia,Songti SC,serif;font-size:22px;font-weight:600;letter-spacing:1px}.brand,.seal{align-items:center}.seal{display:inline-flex;justify-content:center;width:41px;height:45px;background:var(--green);color:#fff;font-family:Songti SC,serif;border-radius:8px 2px 8px 2px;font-size:26px}.brand small{display:block;color:var(--muted);font-family:Arial,sans-serif;margin-top:2px;font-weight:400}.brand small,.nav-label{font-size:10px;letter-spacing:2px}.nav-label{color:#969c91;margin:49px 14px 12px}nav{display:flex;flex-direction:column;gap:7px}nav button{justify-content:flex-start;gap:14px;border:0;background:none;padding:12px 15px;color:#737e74}nav button span{font-size:20px;line-height:1}nav button.active{background:#e9efe4;color:#31533e;font-weight:600}nav em{font-style:normal;margin-left:auto;font-size:11px;background:#dce6d3;padding:0 7px;border-radius:5px}.sidebar-note{margin-top:auto;padding:35px 14px 22px;color:#909886;position:relative}.sidebar-note>span{font-size:11px;letter-spacing:3px;color:#b0a183}.sidebar-note p{font-family:Georgia,Songti SC,serif;font-size:16px;line-height:1.8;margin-top:10px}.sidebar-note>div{position:absolute;right:10px;bottom:12px;font-size:75px;color:#d9e2cf;transform:rotate(-30deg)}.account{border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;padding-top:20px;margin-top:10px}.avatar{width:34px;height:34px;background:#ebe7dc;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.account strong,.avatar{font-size:12px}.account small{display:block;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;color:var(--muted)}.account button{padding:4px;border:0;margin-left:auto}.main{margin-left:242px;width:calc(100% - 242px)}.topbar{height:75px;justify-content:space-between;padding:0 42px;border-bottom:1px solid var(--line);font-size:12px;color:#7a8277}.topbar,.topbar>span{display:flex;align-items:center}.topbar>span{font-size:10px;gap:10px}.dot{width:6px;height:6px;background:#8fa476;border-radius:50%;display:inline-block}.mobile-brand{display:none}.content{max-width:1270px;margin:auto;padding:36px 42px 0}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.page-heading p{margin:0;font-size:13px}.date{font-size:11px;color:var(--muted);white-space:nowrap}.hero{background:#355744;border-radius:15px;position:relative;overflow:hidden;padding:31px 37px;color:#fff;display:flex;min-height:265px}.hero h2{font-family:Georgia,Songti SC,serif;font-size:31px;line-height:1.6;letter-spacing:3px;font-weight:400;margin:14px 0 11px}.hero p{color:#d0dbca;font-size:12px}.hero button{background:#eef0dc;border:0;color:#36533b;font-size:12px;min-width:156px;justify-content:space-between;margin-top:6px}.hero-art{position:absolute;right:48px;top:20px;bottom:0;width:300px;pointer-events:none}.hero-art>span{position:absolute;right:37px;top:46px;font-family:Songti SC,serif;font-size:65px;line-height:1.1;letter-spacing:7px;color:#d8dec04f}.hero-art i{font-size:225px;font-style:normal;line-height:1;bottom:-22px;color:#b5c4a16b;transform:rotate(-28deg)}.hero-art i,.ring{position:absolute;left:0}.ring{border:1px solid #a6bc8f27;border-radius:50%;width:310px;height:310px;top:-22px}.ring-two{width:360px;height:360px;left:-25px;top:-47px}.pill{font-size:10px;padding:4px 9px;border-radius:4px;background:#eeeadd;color:#8e7b52;display:inline-block}.pill.light{background:#ffffff12;border:1px solid #ffffff1c;color:#d7e0c9;font-size:10px;letter-spacing:1px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:16px;margin:23px 0 30px}.stat{background:#fffefa;border:1px solid var(--line);border-radius:10px;padding:19px 22px}.stat>span{font-size:12px;color:#7c8577}.stat>strong{display:block;font-family:Georgia,serif;font-size:35px;font-weight:400;margin-top:5px}.stat strong small{font-family:Arial,sans-serif;font-size:12px;color:#8b9184;margin-left:8px}.stat p{font-size:10px;margin:4px 0 0;color:#969c90}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:25px 0 16px}.section-title h2{margin:0;font-size:17px}.section-title>span{font-size:11px;color:#969b91}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.modes>button{display:block;text-align:left;padding:24px 22px;background:#fffefa;border-radius:11px}.mode-icon{background:#eef1e7;color:#688364;display:inline-grid;place-items:center;font-size:24px;width:45px;height:45px;border-radius:10px;margin-bottom:18px}.modes h3{font-size:16px;margin-bottom:7px}.modes p{font-size:11px;color:#8b9286;margin-bottom:22px}.modes b{font-size:11px;font-weight:500;color:#6c815c}.source-note{margin-top:23px;font-size:11px;color:#969b90}.panel{background:#fffefa;border:1px solid var(--line);border-radius:12px;padding:26px;margin-bottom:20px}label{display:flex;flex-direction:column;gap:8px;font-size:12px;margin-bottom:18px;color:#64715e}input,select,textarea{border:1px solid #dce1d5;background:#fff;padding:11px 13px;border-radius:7px;color:var(--ink);min-width:0;width:100%}textarea{min-height:95px;resize:vertical}input[type=checkbox]{width:18px;height:18px;accent-color:var(--green)}.form-row{display:flex;gap:20px}.form-row>label{flex:1 1}.setup{max-width:720px}.segmented{display:flex;background:#f0f1e8;padding:4px;border-radius:9px;margin-bottom:28px}.segmented button{border:0;background:none;flex:1 1;font-size:12px}.segmented button.active{background:#fff;box-shadow:0 2px 4px #00000008}.exam-bar{display:flex;justify-content:space-between;background:#edf1e5;padding:16px 22px;border-radius:10px;margin-bottom:18px;font-size:12px}.exam-bar strong{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.question-card{background:#fffefa;padding:32px;border:1px solid var(--line);border-radius:13px}.question-tags{display:flex;align-items:center;gap:12px;font-size:11px;color:#909789;flex-wrap:wrap}.question-card h2{font-size:21px;line-height:1.85;margin:22px 0}.options{display:flex;flex-direction:column;gap:12px}.options button{text-align:left;justify-content:flex-start;min-height:59px;padding:14px 17px;white-space:pre-wrap}.options button>span{display:grid;place-items:center;border:1px solid #dee3d6;min-width:29px;height:29px;border-radius:6px;font-size:12px}.options button>i{margin-left:auto;font-style:normal}.options button.chosen{background:#eef3e8;border-color:#7d9874}.options button.chosen>span{background:#496b46;color:#fff;border-color:#496b46}.question-actions{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.answer-sheet{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.answer-sheet button{width:37px;height:37px;padding:0;font-size:12px}.answer-sheet .answered{background:#e1ebd9}.answer-sheet .current{border:2px solid #4b6e43}.review-card{background:#fffefa;border:1px solid var(--line);padding:24px 28px;border-radius:11px;margin-bottom:16px}.review-card h3{margin:16px 0;line-height:1.8}.review-card p{font-size:13px}.review-options{color:#717e6d}.review-options p{margin:3px 0}.explanation{padding:16px;background:#f1f3eb;border-radius:8px;margin:14px 0;font-size:13px}.explanation p{margin:8px 0 0;white-space:pre-wrap}.good{background:#e8f0df;color:#587845}.bad{background:#f6e8de;color:#a17046}.result-banner{display:flex;align-items:center;gap:25px;background:#e8eedd;padding:23px 29px;border-radius:12px;margin-bottom:23px}.result-banner>strong{font-size:48px;font-family:Georgia,serif;font-weight:400}.result-banner strong small{font-size:20px;color:#8b987d}.result-banner h2{margin:0 0 5px}.result-banner p{font-size:12px;margin:0;color:#7b8773}.result-banner button{margin-left:auto}.empty{text-align:center;padding:60px 20px;background:#fffefa;border:1px dashed #d8dece;border-radius:12px;margin:20px 0}.empty>span{font-size:55px;color:#a7b595}.empty h2{font-size:18px}.empty p{color:var(--muted);font-size:13px}.count{font-size:13px;color:#8c987b;margin-left:6px}details{margin:12px 0;font-size:12px}summary{cursor:pointer;color:#6e845f;padding:7px 0}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.progress-row{margin-top:24px}.progress-row>div:first-child{display:flex;justify-content:space-between;gap:12px;font-size:12px}.progress-row strong{font-weight:400}.progress-row span{font-size:11px}.progress-row small{color:#949c8c;font-size:10px}.track{height:7px;background:#eff1e8;border-radius:10px;margin-top:9px;overflow:hidden}.track>span{height:100%;display:block;background:#8ba67c;border-radius:10px}.admin-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}.admin-toolbar label{margin:0;cursor:pointer;font-size:14px}.upload input{display:none}.preview-list{max-height:300px;overflow:auto}.preview-list>div{display:flex;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.preview-list span{flex:1 1}.preview-list small{white-space:nowrap}.batch{display:flex;gap:8px;flex-wrap:wrap}.batch button{font-size:11px;padding:8px 10px}.admin-question{display:flex;gap:18px;padding:23px;background:#fffefa;border:1px solid var(--line);margin-bottom:12px;border-radius:10px;align-items:flex-start}.admin-question>input{margin-top:5px;flex-shrink:0}.admin-question>div{flex:1 1;min-width:0}.admin-question h3{font-size:14px;margin:10px 0}.admin-question>button{font-size:12px;padding:6px 11px}.alert,.success{padding:13px 18px;border-radius:8px;font-size:13px;margin-bottom:20px}.alert{background:#f7e8df;color:#9b5640;display:flex;justify-content:space-between;align-items:center}.alert button{padding:0;border:0;background:none;color:inherit}.alert ul{padding-left:18px}.success{background:#e5efdd;color:#547342}.working{font-size:11px;color:#7b885e;margin-bottom:10px}.resume{background:#f0edda;width:100%;margin-bottom:20px;font-size:12px}.modal{position:fixed;inset:0;background:#1c30268c;z-index:20;display:grid;place-items:center;padding:20px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-card{background:var(--paper);max-width:650px;width:100%;max-height:90vh;overflow:auto;padding:28px;border-radius:15px}.modal-card label{margin-bottom:12px}.modal-card p{font-size:12px}footer{padding:29px 0 20px;margin-top:40px;border-top:1px solid var(--line);color:#a0a694;display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px}.login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-art{background:#e9eddf;padding:55px 70px;position:relative;overflow:hidden}.login-art>.eyebrow{margin-top:110px}.login-art h1{font-family:Georgia,Songti SC,serif;font-size:57px;line-height:1.5;font-weight:400;letter-spacing:6px}.login-art p{color:#819071;font-size:14px;line-height:2}.botanic{position:absolute;right:-55px;bottom:-40px;font-size:400px;color:#c5cfb354;line-height:1;transform:rotate(15deg)}.art-foot{position:absolute;bottom:40px;letter-spacing:5px;font-size:11px;color:#91a27e}.login-form{width:100%;max-width:460px;margin:auto;padding:50px}.login-form h2{font-size:25px;margin-bottom:10px}.login-form>p{font-size:12px;margin-bottom:32px}.full{width:100%}.demo-entry{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}.demo-entry>span{font-size:11px;color:#89977c}.demo-entry>div{display:flex;gap:12px;margin:15px 0}.demo-entry button{flex:1 1;font-size:12px}.demo-entry small{font-size:10px;color:#9a9f92}.loading{height:100vh;display:grid;place-items:center;color:#6c815c}@media(min-width:1600px){.content{padding-top:50px}.hero{min-height:310px}.hero h2{font-size:36px}}@media(max-width:1100px){.sidebar{width:210px;padding:28px 15px}.brand{font-size:18px}.main{margin-left:210px;width:calc(100% - 210px)}.content{padding:28px 25px 0}.topbar{padding:0 25px}.hero-art{right:0;opacity:.6}.hero>div:first-child{position:relative;z-index:1}.hero{padding:28px}.hero h2{font-size:28px}.stat{padding:16px}.modes>button{padding:20px 16px}.date{display:none}.login-art{padding:45px}.login-art h1{font-size:45px}}@media(max-width:760px){body{font-size:13px}.sidebar{inset:auto 0 0;width:100%;height:72px;padding:0 8px calc(env(safe-area-inset-bottom)/2);z-index:10;border-right:0;border-top:1px solid var(--line);background:#fcfcf8f5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.account,.nav-label,.sidebar-note,.sidebar>.brand{display:none}.sidebar nav{flex-direction:row;height:100%;gap:2px;justify-content:space-around}.sidebar nav button{flex:1 1;flex-direction:column;justify-content:center;gap:5px;font-size:10px;padding:5px 2px;border-radius:0;position:relative}.sidebar nav button.active{background:transparent;color:#345e4b}.sidebar nav button.active:before{content:"";position:absolute;top:0;width:20px;height:3px;background:#6f895f;border-radius:0 0 4px 4px}.sidebar nav button span{font-size:22px}.sidebar nav em{position:absolute;right:12px;top:6px;font-size:8px;padding:0 4px}.main{margin:0;width:100%;padding-bottom:72px}.topbar{height:57px;padding:0 20px;font-size:11px}.mobile-brand{display:inline;color:#47613e}.topbar>span{font-size:9px}.content{padding:24px 18px 0}.page-heading{margin-bottom:20px}h1{font-size:25px;letter-spacing:0}.eyebrow{font-size:9px;margin-bottom:9px}.page-heading p{font-size:11px;line-height:1.9}.hero{padding:25px;min-height:280px;border-radius:12px}.hero h2{font-size:28px;letter-spacing:2px}.hero p{font-size:11px;max-width:225px}.hero-art{right:-105px;top:50px;opacity:.55}.hero button{font-size:11px}.stats{grid-template-columns:1fr 1fr;gap:10px;margin:17px 0 25px}.stat{padding:15px 17px}.stat>span{font-size:11px}.stat>strong{font-size:30px}.stat p{font-size:9px}.section-title h2{font-size:16px}.section-title>span{font-size:9px}.modes{grid-template-columns:1fr;gap:10px}.modes>button{position:relative;min-height:100px;padding:20px 18px 20px 80px}.mode-icon{position:absolute;left:18px;top:24px;width:43px;height:43px}.modes h3{font-size:15px}.modes p{font-size:10px;margin:0}.modes b{position:absolute;right:16px;top:20px;font-size:9px}.source-note{font-size:10px;line-height:1.8}.panel{padding:20px}.question-card{padding:22px 18px}.question-card h2{font-size:18px;margin:20px 0}.options button{font-size:13px;padding:12px;gap:12px}.exam-bar{font-size:11px;padding:14px}.question-tags{font-size:10px}.review-card{padding:22px 18px}.review-card h3{font-size:15px}.result-banner{padding:20px;gap:15px;flex-wrap:wrap}.result-banner>strong{font-size:39px}.result-banner>div{flex:1 1;min-width:170px}.result-banner h2{font-size:16px}.result-banner button{margin:0;font-size:12px}.report-grid{grid-template-columns:1fr;gap:0}.admin-toolbar{gap:8px}.admin-toolbar .button{font-size:11px;padding:9px 10px}.section-title{flex-wrap:wrap}.admin-question{padding:18px 12px;gap:10px}.admin-question>button{font-size:10px;padding:5px 7px}.admin-question h3{font-size:13px}.admin-question .question-tags{gap:6px}.preview-list>div{flex-wrap:wrap}.preview-list span{min-width:70%}.modal{padding:12px}.modal-card{padding:22px 18px;max-height:92vh}.form-row{gap:12px}.login{display:block}.login-art{padding:25px 28px 32px}.login-art .brand{font-size:19px}.login-art>.eyebrow{margin-top:30px}.login-art h1{font-size:35px;line-height:1.4;margin-bottom:0}.art-foot,.login-art p{display:none}.botanic{font-size:250px;right:-20px;bottom:-60px}.login-form{max-width:440px;padding:32px 28px}.login-form h2{font-size:23px}.login-form>p{margin-bottom:23px}.demo-entry{margin-top:23px}footer{margin-top:30px;font-size:9px;padding-bottom:25px}}.admin-actions{display:flex;gap:6px;flex-direction:column;flex:0 1!important}.admin-actions button{font-size:11px;padding:6px 10px}.mobile-logout{display:none}@media(max-width:760px){.mobile-logout{display:inline-flex;font-size:10px;padding:4px 6px;background:transparent;border:0}}.copy-actions,.question-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.question-tools{margin:16px 0}.copy-actions button,.question-tools button{font-size:12px;padding:9px 12px;min-height:40px}.copy-actions{margin:8px 0}.shared-material{margin:18px 0;padding:18px 20px;background:#f0f1e7;border-left:3px solid #91a280;border-radius:0 8px 8px 0;white-space:pre-wrap}.shared-material strong{font-size:11px;color:#77886b;letter-spacing:1px}.shared-material p{margin:8px 0 0;line-height:1.9}.stem{font-size:19px;line-height:1.9;margin:20px 0}.review-options p,.stem{white-space:pre-wrap;overflow-wrap:anywhere}.filters{margin-top:18px}.filters label{min-width:0}.inline-check{flex-direction:row;align-items:center;gap:9px;margin:0}.inline-check input{width:17px}.result-numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin:15px 0 24px}.result-numbers span{padding:13px;background:#eeefe5;border-radius:8px;color:#7b856f;font-size:12px}.result-numbers b{display:block;font-size:23px;font-family:Georgia,serif;color:#38523b;font-weight:400;margin-top:3px}.result-detail .result-numbers{margin-bottom:0}.attempt-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0;border-top:1px solid var(--line)}.attempt-row small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.recent{margin-top:24px}.points-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.warning{padding:14px 18px;background:#f4edda;color:#8d7140;border-radius:8px;font-size:12px;margin-bottom:16px}.trend{height:150px;display:flex;align-items:flex-end;gap:12px;padding:10px 0 35px}.trend>div{height:100%;flex:1 1;position:relative;display:flex;justify-content:flex-end;align-items:center;flex-direction:column;min-width:0}.trend span{display:block;background:#8ba67c;width:100%;max-width:38px;min-height:2px;border-radius:5px 5px 0 0}.trend small{position:absolute;bottom:-18px;font-size:10px}.trend label{position:absolute;bottom:-40px;font-size:9px;white-space:nowrap}.admin-question .stem{font-size:14px;margin:10px 0}.nav-label{margin-top:28px}.sidebar nav{gap:3px}.sidebar nav button{padding-top:10px;padding-bottom:10px}.topbar{position:relative}.panel>summary{font-size:14px}.panel>summary+.form-row{margin-top:16px}.question-tags{overflow-wrap:anywhere}.result-summary{margin-bottom:20px}@media(max-width:760px){.sidebar{height:90px;padding-bottom:env(safe-area-inset-bottom)}.sidebar nav{overflow-x:auto;justify-content:flex-start;gap:4px}.sidebar nav button{flex:0 0 64px;font-size:9px;min-width:64px}.main{padding-bottom:90px}.question-actions{flex-wrap:wrap}.question-actions button{flex:1 1;min-width:75px;padding:11px 9px}.result-numbers{grid-template-columns:repeat(3,1fr);gap:8px}.result-numbers span{padding:10px;font-size:11px}.result-numbers b{font-size:23px}.form-row.filters{flex-direction:column;gap:0}.question-card .stem{font-size:18px}.copy-actions,.question-tools{gap:6px}.copy-actions button{font-size:11px}.question-tags{gap:7px}.shared-material{padding:14px;font-size:13px}.admin-question{gap:8px}.admin-question .shared-material{padding:10px}.topbar>div{max-width:65%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.trend label{font-size:8px;transform:rotate(-25deg)}.result-banner{padding:20px 16px}.sidebar{height:112px}.sidebar nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:1fr 1fr;overflow:visible;gap:1px}.sidebar nav button{min-width:0;padding:3px 2px;min-height:47px;font-size:9px}.sidebar nav button span{font-size:18px}.sidebar nav button.active:before{width:16px;height:2px}.main{padding-bottom:112px}.sidebar nav em{right:14px;top:3px}.result-numbers span{min-width:0}}