:root{--brand:#aa2736;--navy:#333f46;--paper:#f7f7f2;--ink:#222b32;--green:#206b54;--muted:#58676f;--line:#e0e4e2;--white:#fff;--red:#a33434;--amber:#855e13;--radius:8px;font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.6}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--navy);text-underline-offset:3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #489bca;outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.55}h1,h2,h3,p{margin-top:0}h1{font-size:28px;line-height:1.35;letter-spacing:.02em;margin-bottom:10px}h2{font-size:20px;line-height:1.45;margin-bottom:14px}h3{font-size:16px;margin-bottom:10px}p{margin-bottom:12px}small,.small{font-size:13px}.muted{color:var(--muted)}.mono{font-variant-numeric:tabular-nums}.nowrap{white-space:nowrap}.danger-text{color:var(--red)}.success-text{color:var(--green)}.skip-link{position:fixed;left:16px;top:-60px;z-index:200;background:#fff;padding:12px}.skip-link:focus{top:8px}.initial-loading{padding:20vh 20px;text-align:center}.loader{display:inline-block;width:24px;height:24px;border:3px solid var(--line);border-top-color:var(--navy);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.app-header{height:76px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 34px;gap:20px}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand-mark{width:34px;height:38px;display:grid;place-items:center;border:1px solid #9fb9c9;border-top:3px solid #cfe1eb;font-size:18px;font-weight:700;flex:none}.brand-title{font-size:18px;font-weight:650;letter-spacing:.06em}.brand-caption{font-size:11px;color:#c7d7e0;letter-spacing:.12em;margin-top:1px}.user-controls{display:flex;gap:14px;align-items:center;font-size:13px}.user-controls button{border:0;background:transparent;color:#e6eef3;padding:8px 0;white-space:nowrap}.layout{display:grid;grid-template-columns:212px minmax(0,1fr);min-height:calc(100vh - 76px)}.sidebar{background:#edf2f5;border-right:1px solid var(--line);padding:28px 14px;display:flex;flex-direction:column;gap:7px}.sidebar a{display:flex;align-items:center;gap:12px;text-decoration:none;padding:11px 16px;border-radius:5px;font-size:14px;color:#435968}.sidebar a:hover{background:#e1e9ef}.sidebar a.active{background:var(--navy);color:#fff;font-weight:600}.nav-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;flex:none}.nav-icon svg{width:19px;height:19px}.nav-group{font-size:11px;color:#6e8090;padding:17px 16px 5px;letter-spacing:.12em}.sidebar-foot{margin-top:auto;padding:34px 16px 0;font-size:11px;color:#778b9a}.content{width:100%;max-width:1440px;padding:33px 40px 48px;margin:0 auto;min-width:0}.page-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:26px}.page-top p{color:var(--muted);font-size:14px;margin:0}.page-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.section{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:22px}.section.flush{padding:0}.section-header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}.section-header h2{margin:0;font-size:17px}.section-body{padding:24px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.stack{display:grid;gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:8px 16px;background:#fff;border:1px solid #cbd7df;color:var(--navy);border-radius:5px;text-decoration:none;font-size:14px;font-weight:550;white-space:nowrap}.btn:hover{background:#eef3f7}.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}.btn.primary:hover{background:#24516f}.btn.green{background:var(--green);color:#fff;border-color:var(--green)}.btn.danger{color:var(--red);border-color:#e1bcbc}.btn.small{min-height:32px;padding:4px 10px;font-size:12px}.btn.text{border-color:transparent;background:transparent;padding-left:7px;padding-right:7px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px 20px}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label,.field-label{font-size:13px;font-weight:600}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd7df;border-radius:5px;padding:10px 12px;color:var(--ink);background:#fff;min-height:43px}.field textarea{resize:vertical;min-height:95px}.field input:disabled{background:#f1f4f6}.field .hint{font-size:12px;color:var(--muted)}.span-2{grid-column:1/-1}.form-footer{display:flex;align-items:center;gap:12px;justify-content:flex-end;margin-top:25px;padding-top:18px;border-top:1px solid var(--line)}.form-error{font-size:13px;color:var(--red);background:#fff2f1;border:1px solid #f0cccc;padding:10px 12px;border-radius:4px;margin-bottom:16px}.form-error:empty{display:none}.inline-fields{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.inline-fields .field{min-width:120px;flex:1}.inline-fields .field.grow{flex:2;min-width:180px}.filters{padding:20px 24px;background:#fbfcfd;border-bottom:1px solid var(--line)}.check-row{display:flex;gap:8px;align-items:flex-start;font-size:14px}.check-row input{margin-top:6px;accent-color:var(--navy)}.choice-list{max-height:195px;overflow:auto;border:1px solid var(--line);padding:12px;border-radius:5px;display:grid;grid-template-columns:1fr 1fr;gap:9px}.choice-list label{font-size:13px;display:flex;align-items:center;gap:7px}.choice-list input{accent-color:var(--navy);width:16px;height:16px;min-height:0;padding:0;margin:0;flex:none}.empty{text-align:center;padding:48px 20px;color:var(--muted)}.empty h3{color:var(--ink);font-size:17px}.empty p{font-size:14px;max-width:460px;margin:0 auto 17px}.notice{padding:13px 16px;border-left:3px solid #4e829f;background:#edf5fa;font-size:13px;color:#33596d;margin-bottom:20px}.notice.warn{background:#fff7e6;border-color:#b88b31;color:#765a20}.notice.success{background:#edf7f1;border-color:var(--green);color:var(--green)}.notice.error{background:#fff2f1;border-color:var(--red);color:var(--red)}.badge{display:inline-block;vertical-align:middle;border-radius:4px;padding:2px 8px;background:#edf1f5;color:#486070;font-size:12px;white-space:nowrap}.badge.green{background:#e5f2ec;color:#206b54}.badge.red{background:#f9e8e6;color:#9c3535}.badge.amber{background:#fff2d7;color:#855e13}.badge.blue{background:#e8f1f8;color:#245b7e}.status-dot:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;margin-right:6px;vertical-align:2px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{background:#f7f9fa;color:#5a6f7e;font-size:12px;font-weight:600;white-space:nowrap;padding:13px 18px;border-bottom:1px solid var(--line)}td{padding:16px 18px;border-bottom:1px solid #e7edf1;vertical-align:middle}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafcfd}td .sub{font-size:11px;color:var(--muted);margin-top:3px}.table-actions{display:flex;gap:5px;flex-wrap:wrap}.stem-cell{min-width:240px;max-width:420px}.clip{max-width:390px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:25px;overflow:hidden}.stat{padding:23px 25px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat .value{font-size:31px;line-height:1.2;font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums}.stat .label{font-size:12px;color:var(--muted);margin-top:7px}.stat .value.green{color:var(--green)}.stat .value.red{color:var(--red)}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:22px}.tabs a{text-decoration:none;color:var(--muted);padding:0 2px 12px;border-bottom:3px solid transparent;font-size:14px}.tabs a.active{color:var(--navy);border-bottom-color:var(--navy);font-weight:600}.exam-list{display:grid;gap:16px}.exam-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);border-left:4px solid #b9cbd6}.exam-entry.available{border-left-color:var(--green)}.exam-entry h2{font-size:18px;margin-bottom:8px}.exam-meta{display:flex;gap:10px 22px;flex-wrap:wrap;color:var(--muted);font-size:13px}.exam-meta strong{font-weight:600;color:var(--ink)}.exam-entry .foot{font-size:12px;color:var(--muted);margin-top:12px}.welcome-strip{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px;padding:21px 24px;border:1px solid #cbdce5;border-radius:var(--radius);background:#eaf1f5}.welcome-strip h2{font-size:18px;margin-bottom:5px}.welcome-strip p{font-size:13px;margin:0;color:#587080}.welcome-date{font-size:13px;color:#587080;text-align:right;white-space:nowrap}
.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(340px,.95fr) minmax(440px,1.05fr)}.login-aside{background:var(--navy);color:#fff;padding:58px 60px;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;position:relative;overflow:hidden}.login-aside:after{content:"";position:absolute;right:-100px;bottom:18%;height:310px;width:310px;border:1px solid #ffffff12;border-radius:50%;box-shadow:0 0 0 60px #ffffff03,0 0 0 120px #ffffff03;pointer-events:none}.login-heading{max-width:430px;margin:60px 0}.login-heading .line{height:4px;width:46px;background:#81b6b0;margin-bottom:26px}.login-heading h1{font-size:38px;line-height:1.55;letter-spacing:.05em;margin-bottom:23px;font-weight:600}.login-heading p{font-size:14px;line-height:1.9;color:#bcd0dd;max-width:330px}.login-aside-foot{font-size:12px;color:#9fb9c9}.login-main{display:flex;align-items:center;justify-content:center;padding:48px 40px;background:#fff}.login-box{width:100%;max-width:355px}.login-box h2{font-size:25px;margin-bottom:9px}.login-box .intro{font-size:13px;color:var(--muted);margin-bottom:30px}.login-box .field{margin-bottom:20px}.login-box .btn{width:100%;margin-top:7px;min-height:46px}.login-tip{font-size:12px;color:var(--muted);padding-top:24px;border-top:1px solid var(--line);margin-top:28px;line-height:1.8}
.exam-workspace{display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:24px;align-items:start}.exam-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.timer{padding:9px 16px;background:#edf3f7;border:1px solid #c7d8e3;border-radius:5px;font-size:23px;font-weight:650;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1.15}.timer small{font-size:11px;font-weight:400;margin-right:10px}.timer.urgent{color:var(--red);border-color:#e5bdbd;background:#fff2f1}.question-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px 30px}.question-top{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:23px}.question-position{font-size:14px;color:var(--muted)}.question-stem{font-size:18px;line-height:1.9;margin-bottom:25px;white-space:pre-wrap;overflow-wrap:anywhere}.question-hint{font-size:12px;color:var(--muted);margin:-14px 0 20px}.options{display:grid;gap:12px}.option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);border-radius:6px;padding:14px 16px;cursor:pointer;font-size:15px;line-height:1.75}.option:hover{border-color:#9db6c8;background:#f8fbfd}.option.selected{border-color:var(--navy);background:#edf4f9;box-shadow:inset 3px 0 0 var(--navy)}.option input{margin:6px 0 0;accent-color:var(--navy);width:16px;height:16px;flex:none}.option-key{font-weight:600;min-width:18px}.option.correct{border-color:#8ec2aa;background:#eef8f2}.option.wrong{border-color:#dfb1aa;background:#fff2ef}.question-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:25px;margin-top:26px;border-top:1px solid var(--line);gap:12px}.question-card{position:sticky;top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.question-card h2{font-size:16px;margin-bottom:12px}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.answer-grid button{height:34px;padding:0;border-radius:4px;border:1px solid #d6e0e6;background:#fff;color:#526979;font-size:12px}.answer-grid button.done{background:#e7f2ec;border-color:#9bc5b0;color:var(--green)}.answer-grid button.current{border:2px solid var(--navy);color:var(--navy);font-weight:700}.answer-grid button.incorrect{background:#f9e8e6;color:var(--red);border-color:#dfb1aa}.answer-legend{display:flex;gap:12px;font-size:11px;color:var(--muted);margin-top:13px}.answer-legend span:before{content:"";display:inline-block;width:9px;height:9px;border:1px solid #ccd8df;border-radius:2px;margin-right:5px}.answer-legend .answered:before{background:#e7f2ec;border-color:#9bc5b0}.sync-state{font-size:12px;color:var(--green);margin-top:20px;padding-top:15px;border-top:1px solid var(--line);line-height:1.8;overflow-wrap:anywhere}.sync-state.unsaved{color:var(--amber)}.sync-state.failed{color:var(--red)}.card-submit{width:100%;margin-top:15px}.exam-rules{font-size:11px;color:var(--muted);margin-top:14px;line-height:1.9}.score-block{display:flex;align-items:center;gap:35px;padding:32px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--radius);margin-bottom:22px}.score-number{font-size:64px;line-height:1.1;font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums}.score-number small{font-size:18px;color:var(--muted);font-weight:400}.score-info{flex:1}.score-info h2{margin-bottom:8px}.score-info .exam-meta{margin-top:12px}.reference{padding:18px 20px;background:#edf7f1;border-left:3px solid var(--green);margin-top:22px;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.reference.incorrect{background:#fff5f1;border-color:#b66e4c}.reference h3{font-size:14px;margin-bottom:7px}.reference p:last-child{margin:0}.practice-intro{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:25px}.practice-intro p{font-size:14px;color:var(--muted)}.progress-bar{height:5px;background:#e4ebef;border-radius:3px;overflow:hidden;margin-bottom:25px}.progress-bar span{display:block;height:100%;background:var(--green)}.long-text{white-space:pre-wrap;overflow-wrap:anywhere}.mini-summary{display:flex;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--muted);padding:14px 24px;background:#f7fafb;border-bottom:1px solid var(--line)}.mini-summary strong{color:var(--navy);font-size:15px;margin-left:4px}.record-line{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);gap:15px;font-size:13px}.record-line:last-child{border:0}.backup-status{font-size:13px;line-height:1.9}.backup-status pre{font-family:inherit;background:#f4f7f8;padding:13px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}.error-page{max-width:650px;margin:50px auto;background:#fff;padding:40px;border:1px solid var(--line);border-radius:var(--radius)}
#toast{position:fixed;right:24px;bottom:24px;max-width:min(460px,calc(100vw - 32px));padding:13px 18px;color:#fff;background:var(--ink);border-radius:6px;box-shadow:0 5px 25px #182c3822;z-index:150;font-size:14px;display:none}#toast.visible{display:block}#toast.error{background:#8e3030}dialog{width:min(730px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;border:0;border-radius:9px;padding:28px;box-shadow:0 15px 75px #182c3844;color:var(--ink)}dialog::backdrop{background:#10283b88}.dialog-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.dialog-header h2{margin:0;font-size:21px}.dialog-close{background:none;border:0;color:var(--muted);font-size:26px;padding:0 2px;line-height:1}.dialog-description{font-size:13px;color:var(--muted);margin-bottom:22px;white-space:pre-line}.import-table{max-height:320px;overflow:auto}.import-errors{max-height:170px;overflow:auto;font-size:13px;color:var(--red)}.option-edit-grid{display:grid;grid-template-columns:32px 1fr;align-items:center;gap:8px}.option-edit-grid input{min-height:36px}.output-password{background:#fff7e6;border:1px solid #ead49f;padding:14px;overflow-wrap:anywhere}.pagination-note{padding:12px 22px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}.file-drop{border:1px dashed #9eb6c5;padding:23px;background:#f8fbfd;border-radius:6px;margin-bottom:18px}.file-drop input{max-width:100%;margin-top:10px}.password-wrap{max-width:520px}.mobile-only{display:none}

/* Company identity follows the existing chxhrds.com logo and palette. */
.app-header{height:86px;background:#fff;color:var(--ink);border-top:3px solid var(--brand);border-bottom:1px solid var(--line)}
.brand-logo{width:62px;height:62px;object-fit:contain;flex:none;mix-blend-mode:multiply}.brand>div{border-left:1px solid #d9deda;padding-left:15px}.brand-title{font-size:20px;letter-spacing:.12em;color:var(--ink)}.brand-caption{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:4px}.user-controls button{color:#58676f}.user-controls button:hover{color:var(--brand)}
.layout{min-height:calc(100vh - 86px)}.sidebar{background:#fafaf7;padding-top:18px}.sidebar-brand{display:flex;flex-direction:column;align-items:center;padding:0 12px 17px;border-bottom:1px solid var(--line);margin:0 10px 3px}.sidebar-brand img{width:100px;height:100px;object-fit:contain;mix-blend-mode:multiply}.sidebar-brand span{font-size:10px;letter-spacing:.14em;color:#6e7776;margin-top:2px}.sidebar a{color:#566563}.sidebar a:hover{background:#f1f1eb}.sidebar a.active{background:#f6e7e9;color:var(--brand);box-shadow:inset 3px 0 0 var(--brand)}.sidebar-foot{font-size:10px;color:#7a8581;line-height:1.9}.nav-group{color:#7a8581;padding-top:12px}
.btn.primary{background:var(--brand);border-color:var(--brand)}.btn.primary:hover{background:#8d1e2c;border-color:#8d1e2c}.btn:hover{background:#f4f4ee}.btn.green:hover{background:#1b5946}.btn.danger:hover{background:#fff2f1}.btn.text:hover{color:var(--brand)}.field input,.field select,.field textarea{border-color:#d2d9d5}.option input,.check-row input,.choice-list input{accent-color:var(--brand)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-color:#bc5a65}
.welcome-strip{background:#f9f3f1;border-color:#e6d8d4}.welcome-strip p,.welcome-date{color:#706b68}.exam-entry{border-left-color:#d8ccc5}.exam-entry.available{border-left-color:var(--green)}.tabs a.active{border-bottom-color:var(--brand);color:var(--brand)}.notice:not(.warn):not(.success):not(.error){background:#f2f4f1;border-color:#8f9e91;color:#4e6255}.stat .value,.score-number{color:var(--ink)}.score-block{border-top-color:var(--brand)}.timer{background:#f5f5f0;border-color:#d7dcd5;color:var(--ink)}.timer.urgent{color:var(--red);border-color:#e5bdbd;background:#fff2f1}.option:hover{border-color:#c7abae;background:#fdfafa}.option.selected{border-color:var(--brand);background:#fcf1f2;box-shadow:inset 3px 0 0 var(--brand)}.option.correct{border-color:#8ec2aa;background:#eef8f2}.option.wrong{border-color:#dfb1aa;background:#fff2ef}.answer-grid button.current{border-color:var(--brand);color:var(--brand)}
.login-page{grid-template-columns:minmax(490px,1.12fr) minmax(420px,1fr);background:#fff}.login-aside{background:var(--paper);color:var(--ink);border-top:5px solid var(--brand);border-right:1px solid var(--line);padding:38px 56px 35px}.login-aside:after{display:none}.brand-login .brand-logo{width:105px;height:105px}.brand-login .brand-title{font-size:27px;letter-spacing:.14em}.brand-login .brand-caption{font-size:14px;letter-spacing:.05em}.brand-login>div{padding-left:20px}.login-heading{max-width:470px;margin:30px 0}.login-heading .line{background:var(--brand);width:40px;height:3px;margin-bottom:21px}.login-heading h1{font-size:37px;line-height:1.55;letter-spacing:.025em;margin-bottom:19px;font-weight:650}.login-heading p{color:#65716c;font-size:14px;line-height:1.9;max-width:400px}.login-workflow{padding-top:24px;margin-top:30px;border-top:1px solid #d9ded7}.login-workflow>p{font-size:12px;color:#78817c;letter-spacing:.04em;margin-bottom:16px}.login-workflow ol{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 16px}.login-workflow li{display:flex;gap:8px;align-items:baseline;white-space:nowrap}.login-workflow li span{color:#ac747a;font-size:11px;font-variant-numeric:tabular-nums}.login-workflow li strong{font-size:13px;font-weight:500;color:#505f58}.login-aside-foot{color:#606e65;font-size:12px;line-height:1.9}.login-aside-foot span{font-size:11px;color:#879087}.login-main{background:#fff;padding:52px 44px}.login-box h2{font-size:27px}.login-box .intro{line-height:1.9}.login-box input{background:#fcfcfa}.login-tip{line-height:1.9}.login-heading .login-workflow p{margin-bottom:15px}
@media(min-width:1500px){.content{padding-top:40px}.login-aside{padding-left:85px}}
@media(max-width:1050px){.content{padding:28px 25px}.layout{grid-template-columns:184px minmax(0,1fr)}.sidebar{padding:25px 10px}.sidebar a{padding:10px 12px}.exam-workspace{grid-template-columns:minmax(0,1fr) 210px;gap:16px}.question-panel{padding:24px}.login-aside{padding:45px 38px}.login-heading h1{font-size:31px}.stats .stat{padding:20px}.split{grid-template-columns:1fr}}
@media(max-width:780px){.app-header{height:68px;padding:0 20px}.brand-title{font-size:16px}.brand-caption{font-size:10px}.user-controls{gap:12px}.user-controls .role-label{display:none}.layout{display:block;min-height:calc(100vh - 68px)}.sidebar{flex-direction:row;gap:3px;overflow-x:auto;position:relative;padding:9px 14px;border-bottom:1px solid var(--line);border-right:0;scrollbar-width:none}.sidebar a{white-space:nowrap;padding:8px 13px;font-size:13px;gap:7px;flex:none}.nav-icon{width:15px}.nav-icon svg{width:16px}.nav-group,.sidebar-foot{display:none}.content{padding:25px 20px 40px}.page-top{margin-bottom:22px;gap:14px}h1{font-size:24px}.page-top p{font-size:13px}.page-actions .btn{font-size:12px;padding:7px 12px;min-height:36px}.section{padding:20px}.section-body{padding:20px}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat .value{font-size:28px}.exam-workspace{display:flex;flex-direction:column-reverse;gap:16px}.question-panel,.question-card{width:100%}.question-card{position:static;padding:15px 18px}.question-card h2{font-size:14px;display:inline;margin-right:12px}.answer-grid{grid-template-columns:repeat(10,1fr);gap:5px;margin-top:12px;max-height:118px;overflow:auto}.answer-grid button{height:30px;font-size:11px}.answer-legend,.exam-rules{display:none}.sync-state{display:inline-block;font-size:11px;margin:0;padding:0;border:0}.card-submit{width:auto;float:right;margin-top:-6px;min-height:32px;padding:5px 12px;font-size:12px}.question-bottom{margin-top:24px;padding-top:20px}.question-stem{font-size:17px}.question-top{padding-bottom:12px;margin-bottom:20px}.exam-toolbar{gap:8px}.timer{font-size:20px;padding:9px 11px}.timer small{display:none}.exam-page-top{align-items:center}.exam-page-top h1{font-size:20px}.exam-page-top p{font-size:11px}.exam-entry{padding:20px;gap:12px}.login-page{grid-template-columns:1fr}.login-aside{min-height:0;padding:28px 32px}.login-heading{margin:32px 0 5px}.login-heading .line,.login-heading p,.login-aside-foot{display:none}.login-heading h1{font-size:26px;line-height:1.4;margin:0}.login-main{padding:38px 28px 50px;align-items:flex-start}.login-box{max-width:400px}.login-box h2{font-size:23px}.login-tip{margin-top:25px}.welcome-strip{padding:18px 20px}.welcome-date{font-size:12px}.score-block{padding:24px;gap:23px}.score-number{font-size:52px}.score-info .exam-meta{font-size:12px;gap:6px 16px}.section-header{padding:18px 20px}.filters{padding:18px 20px}.mini-summary{padding:13px 20px;gap:9px 18px}dialog{padding:23px;max-height:calc(100dvh - 32px)}.choice-list{grid-template-columns:1fr 1fr}.desktop-only{display:none}.mobile-only{display:initial}}
@media(max-width:480px){.content{padding:22px 15px 36px}.app-header{padding:0 16px}.brand{gap:9px}.brand-mark{width:28px;height:33px;font-size:16px}.brand-title{font-size:14px}.brand-caption{font-size:9px}.user-controls{font-size:12px;gap:9px}.user-controls .password-link{display:none}.sidebar{padding:8px 10px}.sidebar a{padding:8px 11px}.page-top{flex-wrap:wrap}.page-top .page-actions{width:100%;justify-content:flex-start}.page-top.exam-page-top{flex-wrap:nowrap}.page-top.exam-page-top .page-actions{width:auto}.form-grid{grid-template-columns:1fr;gap:16px}.span-2{grid-column:auto}.section{padding:18px}.section-body{padding:18px}.exam-entry{grid-template-columns:1fr}.exam-entry .page-actions{border-top:1px solid var(--line);padding-top:13px;justify-content:flex-end}.exam-entry h2{font-size:17px}.exam-meta{gap:6px 16px;font-size:12px}.exam-entry .foot{font-size:11px}.welcome-strip{padding:17px}.welcome-strip h2{font-size:17px}.welcome-date{display:none}.exam-workspace{gap:12px}.question-panel{padding:21px 18px}.question-card{padding:14px}.question-card h2{font-size:13px}.answer-grid{gap:4px}.answer-grid button{height:28px;font-size:10px}.option{padding:12px;gap:9px;font-size:14px}.question-stem{font-size:16px;margin-bottom:22px}.question-bottom .btn{padding:8px 11px;font-size:13px}.question-position{font-size:12px}.question-bottom .muted{font-size:12px}.score-block{gap:17px;padding:22px 18px}.score-number{font-size:46px}.score-number small{font-size:14px}.score-info h2{font-size:17px}.score-info .exam-meta{font-size:11px;gap:4px 12px}.table-wrap th,.table-wrap td{padding:12px 14px}.stats .stat{padding:18px}.stat .value{font-size:27px}.stat .label{font-size:11px}.inline-fields{gap:10px}.inline-fields .field{min-width:110px}.choice-list{grid-template-columns:1fr}.form-footer{flex-wrap:wrap}.form-footer .btn{flex:1}.login-aside{padding:25px}.login-heading{margin-top:26px}.login-heading h1{font-size:25px}.login-main{padding:31px 25px}.tabs{gap:22px}.timer{padding:9px;font-size:18px}.exam-toolbar .btn{font-size:12px;padding:8px 10px}.section-header{padding:17px}.section-header h2{font-size:16px}.backup-status{font-size:12px}}
.alternate-login{margin-top:25px;border-top:1px solid var(--line);padding-top:17px;font-size:13px}.alternate-login summary{cursor:pointer;color:var(--navy);padding:4px 0}.alternate-login form{padding-top:20px}.summary-caption{font-size:11px;color:var(--muted);padding:12px 24px 0;background:#f7fafb}.question-answer-fields{display:grid;grid-template-columns:1fr;gap:17px}.question-answer-fields>p{margin:0}.dingtalk-entry{margin-top:24px}.login-divider{display:flex;align-items:center;gap:12px;color:#829087;font-size:11px;margin-bottom:10px}.login-divider:before,.login-divider:after{content:"";height:1px;background:var(--line);flex:1}.btn.dingtalk-login{border-color:#b5cbe2;color:#235f99;background:#f7fbff}.btn.dingtalk-login:hover{background:#edf5fd;border-color:#86add3}.dingtalk-entry>p{font-size:11px;color:var(--muted);line-height:1.8;margin:10px 0 0}.auth-source{font-size:11px;color:#587967}
.login-credentials{border:0;padding:0;margin:0;min-width:0}.login-credentials:disabled{opacity:.55}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sso-status{padding:17px;border:1px solid #c7d8ca;background:#f1f6ef;border-radius:6px;margin-bottom:25px}.sso-status.paused{background:#fff8ed;border-color:#e8d8b5}.sso-status-heading{display:flex;align-items:center;gap:10px;font-size:14px}.sso-status .loader{width:17px;height:17px;border-width:2px;flex:none}.sso-status p{font-size:12px;line-height:1.9;color:#5a6d5f;margin:9px 0 0}.sso-status.paused p{color:#796744}.login-box .sso-status .btn{width:auto;min-height:34px;font-size:12px;margin-top:13px;padding:6px 11px}

@media(min-width:1500px){.login-aside{padding-left:76px;padding-right:76px}}
@media(max-width:1050px){.login-page{grid-template-columns:minmax(400px,1fr) minmax(380px,1fr)}.login-aside{padding:36px}.login-heading h1{font-size:31px}.login-workflow ol{gap:17px 9px}.login-workflow li{gap:6px}.login-workflow li strong{font-size:12px}.brand-login .brand-title{font-size:24px}.brand-login .brand-caption{font-size:12px}}
@media(max-width:780px){.app-header{height:78px}.layout{min-height:calc(100vh - 78px)}.brand-logo{width:52px;height:52px}.brand>div{padding-left:11px}.brand-title{font-size:17px}.brand-caption{font-size:11px}.sidebar-brand{display:none}.sidebar a.active{box-shadow:none;background:var(--brand);color:#fff}.login-page{grid-template-columns:1fr}.login-aside{padding:23px 30px 24px;border-right:0;border-bottom:1px solid var(--line)}.brand-login .brand-logo{width:82px;height:82px}.brand-login .brand-title{font-size:23px}.brand-login .brand-caption{font-size:12px}.brand-login>div{padding-left:17px}.login-heading{margin:22px 0 0;max-width:none}.login-heading .line{display:none}.login-heading h1{font-size:26px;line-height:1.5;margin:0}.login-heading h1 br{display:none}.login-heading>p,.login-workflow,.login-aside-foot{display:none}.login-main{padding:34px 30px 46px}.login-box{max-width:410px}.login-box h2{font-size:24px}}
@media(max-width:480px){.app-header{padding:0 14px;gap:10px}.brand{gap:8px}.brand-logo{width:48px;height:48px}.brand>div{padding-left:10px}.brand-title{font-size:16px;letter-spacing:.1em}.brand-caption{font-size:10px;letter-spacing:0;white-space:nowrap}.user-controls{gap:10px;font-size:11px}.login-aside{padding:17px 24px 22px}.brand-login .brand-logo{width:74px;height:74px}.brand-login .brand-title{font-size:21px}.brand-login .brand-caption{font-size:11px;white-space:normal}.brand-login>div{padding-left:16px}.login-heading{margin-top:18px}.login-heading h1{font-size:22px;line-height:1.65;max-width:310px}.login-main{padding:28px 25px 40px}.login-box h2{font-size:23px}.sidebar-foot{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important}}

/* Mixed questions, deliberate scoring, and recoverable records. */
.question-number{display:block;font-size:11px;color:var(--muted);margin-top:3px}.fill-answers{margin:0;padding:0;border:0;min-width:0;display:grid;gap:16px}.fill-answers legend{font-size:13px;color:var(--muted);margin-bottom:15px}.essay-answer textarea{min-height:210px;line-height:1.8}.field input[readonly],.field textarea[readonly]{background:#f7f8f5;color:var(--ink)}.legacy-answer{font-size:13px;padding:13px;background:#f6f7f3;overflow-wrap:anywhere;white-space:pre-wrap}.legacy-answer p{margin:7px 0}.blank-results{display:grid;gap:12px;margin-top:15px}.blank-result{background:#fff;border:1px solid #dbe2dc;border-radius:5px;padding:14px 16px;white-space:normal}.blank-result.incorrect{border-color:#dfb1aa}.blank-result-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:9px}.blank-result p{margin-bottom:5px;white-space:pre-wrap;overflow-wrap:anywhere}.score-caption{display:block;font-size:12px;font-weight:400;color:var(--amber);margin-top:10px}.score-breakdown{font-size:12px;color:var(--muted);margin:5px 0}.score-info>.btn{margin-top:15px}.answer-grid button.pending,.answer-grid button.partial{background:#fff6e4;color:var(--amber);border-color:#decc9f}.exam-sections{border:1px solid var(--line);border-radius:6px;padding:15px 18px;min-width:0;margin:5px 0}.exam-sections legend{font-size:14px;font-weight:600;padding:0 8px}.exam-section-head,.exam-section-row{display:grid;grid-template-columns:75px minmax(65px,1fr) minmax(80px,1fr) minmax(100px,1.15fr);gap:12px;align-items:center}.exam-section-head{font-size:11px;color:var(--muted);padding-bottom:8px}.exam-section-row{border-top:1px solid var(--line);padding:11px 0;font-size:13px}.exam-section-row .field label{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.exam-section-row .field input{min-height:38px;width:100%}.exam-section-row output{font-size:12px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.exam-section-row output.balanced{color:var(--amber)}.exam-sections>.hint{display:block;margin-top:10px;line-height:1.8}.section-header-inline{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:12px}.section-header-inline h2{margin:0}.grading-item{padding:22px 0;border-top:1px solid var(--line)}.grading-item .question-top{margin-bottom:15px;padding-bottom:12px}.grading-item .question-stem{font-size:16px;margin-bottom:15px}.grading-response{padding:15px;background:#f5f6f2;border-left:3px solid #b7c2b7;margin-bottom:16px}.grading-response h3{font-size:12px;color:var(--muted);margin-bottom:5px}.grading-response p{font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.grading-reference{font-size:13px;margin-bottom:20px;color:#526255}.grading-reference summary{cursor:pointer;margin-bottom:8px}.grading-reference p{white-space:pre-wrap;overflow-wrap:anywhere}.grade-history{padding-top:12px;margin-bottom:0;line-height:1.9}.grading-item textarea{min-height:90px}
@media(max-width:780px){.score-block{align-items:flex-start}.score-number{min-width:88px}.grading-section .form-grid{grid-template-columns:1fr}.grading-section .form-grid .span-2{grid-column:auto}.blank-result{padding:12px}.section-header-inline h2{font-size:17px}}
@media(max-width:480px){.exam-sections{padding:10px 12px}.exam-section-head{display:none}.exam-section-row{grid-template-columns:1fr 1fr;gap:8px 12px}.exam-section-row>strong{grid-column:1 / -1}.exam-section-row .field label{position:static;clip:auto;width:auto;height:auto;overflow:visible;font-size:11px}.exam-section-row output{grid-column:1 / -1}.exam-section-row output:before{content:'自动平均分：';color:var(--muted)}.essay-answer textarea{min-height:180px}.score-block{flex-wrap:wrap;gap:18px}.score-info{min-width:170px}.question-top{align-items:flex-start}.grading-item{padding:18px 0}.blank-result-top{flex-wrap:wrap}.question-bottom .muted{max-width:92px;text-align:center}.section-header-inline{align-items:flex-start}}
.wrong-reference{margin-top:10px;font-size:12px}.wrong-reference summary{cursor:pointer;color:var(--green)}.wrong-reference p{margin:8px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}

.fill-standard-editor{border:1px solid var(--line);border-radius:6px;padding:17px 18px;min-width:0;margin:0}.fill-standard-editor legend{padding:0 7px;font-size:14px;font-weight:600}.fill-standard-editor>.hint{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:16px}.fill-standard-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:14px;margin-bottom:16px}.fill-standard-row:last-child{margin-bottom:0}.fill-standard-row .field{min-width:0}.fill-standard-row input{width:100%}.fill-standard-row input[aria-invalid="true"]{border-color:var(--red);background:#fff8f7}.fill-standard-row>.btn{margin-bottom:4px;white-space:nowrap}.fill-standard-tools{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}.fill-standard-tools>.hint{font-size:11px;color:var(--muted)}
@media(max-width:480px){.fill-standard-editor{padding:13px 12px}.fill-standard-row{grid-template-columns:minmax(0,1fr) auto;gap:7px;margin-bottom:15px}.fill-standard-row>.btn{font-size:11px;padding:6px 4px;min-height:34px}.fill-standard-row label{font-size:12px}.fill-standard-tools{gap:10px}.fill-standard-tools>.hint{width:100%}}
.contact-search{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;margin-bottom:10px}
.contact-search input{flex:1 1 200px;min-width:0;margin-top:0;width:auto;min-height:36px}
.contact-search #contact-search-count,.contact-search #participant-search-count{flex:0 0 auto}
.choice-list label[hidden]{display:none}
/* 成员选择框：配搜索使用，压低高度避免占满弹窗 */
.choice-list.member-list{max-height:200px;overflow-y:auto}
/* 发布考试的“参加员工”动辄上百人，单独压得更紧凑：更矮的框 + 更小的姓名，配合上方搜索使用。
   列表只显示姓名，用 auto-fill 自适应列数，宽屏一行排 5 个，窄屏自动减少。 */
#participant-list{max-height:150px;padding:10px;gap:6px;grid-template-columns:repeat(auto-fill,minmax(112px,1fr))}
#participant-list label{font-size:12px;gap:6px;line-height:1.5;min-width:0}
/* 窄屏下成员列表会只剩一两列，给回一些高度，避免一屏只看得到几个人 */
@media(max-width:780px){#participant-list{max-height:190px}}