:root{--green:#174d43;--green2:#286a59;--mint:#e8f1eb;--ink:#233b34;--muted:#7a8780;--border:#e4e9e3;--bg:#f6f7f2;--orange:#bd773c;--red:#b6514e;--radius:16px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px;line-height:1.6;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button{border:0}h1,h2,h3,p{margin-top:0}h1{font-size:30px;letter-spacing:-1px;line-height:1.4;margin-bottom:10px;font-weight:650}h2{font-size:18px;margin-bottom:4px;font-weight:650}h3{font-size:16px;margin-bottom:7px}small,.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green2);font-weight:700;margin-bottom:12px}.svg{width:20px;height:20px;display:inline-block;vertical-align:middle;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.brand{display:flex;gap:11px;align-items:center;font-size:25px;font-weight:650;letter-spacing:3px}.brandmark{width:36px;height:40px;display:flex;align-items:center;justify-content:center;background:#e0eead;color:#174d43;border-radius:12px 12px 12px 3px;transform:rotate(-3deg)}.brandmark .svg{width:24px;height:24px}.brand small{display:block;font-size:8px;letter-spacing:2px;line-height:1.2;font-weight:500}.btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;min-height:40px;padding:9px 17px;border-radius:9px;background:var(--green);color:#fff;font-size:13px;font-weight:550;white-space:nowrap;text-decoration:none;transition:background .15s}.btn:hover{background:#276959;text-decoration:none}.btn.secondary{background:#fff;border:1px solid var(--border);color:var(--ink)}.btn.secondary:hover{background:#f1f5ef}.btn.ghost{background:transparent;color:var(--green);padding:5px 9px;min-height:32px}.btn.danger{background:#fbefee;color:var(--red)}.btn.sm{min-height:31px;padding:5px 10px;font-size:12px}.btn .svg{width:16px;height:16px}.actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.field{margin-bottom:17px}.field>label{display:block;font-size:13px;font-weight:550;margin-bottom:7px}.field input,.field select,.field textarea,.input{width:100%;padding:11px 12px;border:1px solid #dce3da;border-radius:9px;background:#fff;color:var(--ink);min-height:43px}.field input:focus,.field select:focus,.field textarea:focus,.input:focus{outline:2px solid #b4caba;border-color:var(--green)}textarea{resize:vertical;min-height:95px}.field small{display:block;margin-top:5px;font-size:11px}input[type=checkbox],input[type=radio]{accent-color:var(--green);width:17px;height:17px;flex-shrink:0}.checks{display:flex;flex-wrap:wrap;gap:11px 19px;padding:10px 0}.checks label{display:flex;align-items:center;gap:7px;font-size:13px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.notice{padding:13px 16px;border-radius:10px;background:#edf3ec;color:#506b5b;font-size:12px;line-height:1.8}.notice.warn{background:#fff5e6;color:#916332}.notice.error{background:#fbeeed;color:#ad4a43}.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:3px 9px;line-height:1.6;border-radius:6px;background:var(--mint);color:var(--green2);white-space:nowrap}.tag.gray{background:#eef0ec;color:#859087}.tag.orange{background:#fbf0df;color:#a1733c}.tag.red{background:#faecea;color:#ae534d}.dot{height:6px;width:6px;border-radius:50%;background:currentColor;display:inline-block}.empty{padding:50px 20px;text-align:center;color:var(--muted)}.empty .svg{width:36px;height:36px;color:#a5b9aa;margin-bottom:12px}.empty h3{color:#536a5d}.empty p{font-size:12px;margin-bottom:20px}.progress{height:6px;background:#edf0e8;border-radius:4px;overflow:hidden}.progress>i{display:block;height:100%;background:#4e8664;border-radius:4px}.error-msg{font-size:12px;color:var(--red);margin:10px 0;min-height:18px}.boot{display:grid;place-content:center;min-height:100vh;font-size:30px;font-weight:650;color:var(--green);text-align:center;gap:15px}.boot span{font-size:13px;font-weight:400;color:var(--muted)}
/* 登录 */
.login{display:grid;grid-template-columns:1.1fr 1fr;min-height:100vh;background:#fcfcf8}.login-story{padding:54px 9%;background:#e9eee3;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;min-height:780px}.login-story .brand{color:var(--green)}.login-story h1{font-size:clamp(35px,3.2vw,51px);font-weight:550;line-height:1.5;letter-spacing:-1px;margin:40px 0 20px}.login-story h1 span{color:#699478}.login-story p{color:#6d8171;max-width:380px;font-size:14px;line-height:2}.login-art{margin:25px 0 35px;position:relative;max-width:430px}.art-card{position:relative;background:#fffdf6;border:1px solid #fff;border-radius:16px;padding:28px;box-shadow:0 20px 50px #304b3110;transform:rotate(-3deg);width:85%;}.art-line{height:8px;background:#e9eee4;border-radius:4px;margin-top:14px}.art-line:first-of-type{width:70%;margin-top:20px}.art-chip{position:absolute;right:0;bottom:-13px;background:#174d43;color:white;padding:16px 23px;border-radius:12px;transform:rotate(3deg);display:flex;gap:13px;align-items:center;box-shadow:0 15px 30px #163b3120}.art-chip small{color:#bad2bc;display:block;font-size:10px}.art-chip .svg{color:#e0eead;width:25px;height:25px}.story-footer{font-size:10px;letter-spacing:2px;color:#8a998c}.login-form-wrap{display:grid;place-content:center;padding:40px}.login-form{width:360px;max-width:100%}.login-form h2{font-size:26px;margin-bottom:8px}.login-form>p{color:var(--muted);font-size:13px;margin-bottom:35px}.login-form .btn{width:100%;margin-top:8px}.login-form input{padding:14px}.login-info{font-size:11px;color:#879287;text-align:center;margin-top:27px}.demo-switch{margin-top:30px;border-top:1px solid var(--border);padding-top:20px}.demo-switch p{font-size:11px;color:#8a968b}.demo-buttons{display:flex;gap:8px}.demo-buttons button{border:1px solid #dfe7dc;border-radius:7px;color:#5c7563;background:transparent;padding:5px 9px;font-size:11px}
/* 工作台 */
.sidebar{width:224px;position:fixed;inset:0 auto 0 0;background:var(--green);color:#d7e2d7;padding:31px 22px;z-index:20;display:flex;flex-direction:column}.sidebar .brand{color:#f7fbf1;margin:0 8px 45px}.sidebar .brand small{color:#9abaac}.nav-caption{font-size:10px;color:#7fa492;letter-spacing:1.5px;margin:20px 13px 12px}.nav-item{display:flex;align-items:center;gap:13px;width:100%;background:transparent;color:#b9cdc1;padding:12px 14px;border-radius:9px;text-align:left;margin-bottom:6px;font-size:13px}.nav-item.active{background:#e2edbc;color:#234d35;font-weight:650}.nav-item:hover:not(.active){background:#ffffff0b;color:white}.nav-item .svg{width:18px;height:18px}.sidebar-bottom{margin-top:auto;border-top:1px solid #ffffff13;padding:22px 10px 0;font-size:10px;color:#8cb09d}.sidebar-bottom span{display:flex;gap:7px;align-items:center;color:#c8d8c6;font-size:11px;margin-bottom:7px}.sidebar-bottom .dot{background:#b7d58b}.workspace{margin-left:224px}.topbar{height:80px;background:#fdfdf9;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:0 42px;gap:20px}.crumb{font-size:12px;color:#8b968d}.crumb b{font-weight:500;color:#3d5849}.user-control{display:flex;align-items:center;gap:13px;font-size:12px}.date{font-size:11px;color:#919c91;margin-right:18px}.avatar{width:34px;height:34px;display:grid;place-content:center;color:#53765d;background:#e7eddf;border-radius:50%;font-size:12px;font-weight:600}.user-control button{font-size:11px;background:transparent;color:#8c9a8b}.main{padding:35px 42px 45px;max-width:1600px;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:28px}.page-head p{color:var(--muted);font-size:12px;margin-bottom:0;line-height:1.9}.page-head .actions{padding-top:12px}.headline-note{display:inline-flex;gap:7px;align-items:center;font-size:11px;color:#63856b;border:1px solid #dce6d6;border-radius:6px;padding:5px 10px;margin-top:14px;background:#f8faf4}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}.metric{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:21px 23px;position:relative}.metric-icon{position:absolute;right:21px;top:21px;background:#f1f5eb;color:#6c8e61;width:32px;height:32px;display:grid;place-content:center;border-radius:9px}.metric-icon .svg{width:17px;height:17px}.metric p{color:#7d8e81;font-size:11px;margin-bottom:15px}.metric strong{font-size:32px;font-weight:550;line-height:1.1;letter-spacing:-1px}.metric small{font-size:11px;margin-left:7px}.metric footer{font-size:10px;color:#95a28f;margin-top:15px}.metric:last-child{background:#edf3e7}.dashboard-columns{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(260px,1fr);gap:23px}.panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:22px 24px 18px}.panel-head p{font-size:11px;color:#8d9b8e;margin:4px 0 0}.panel-body{padding:0 24px 24px}.mini-task{padding:20px 0;border-top:1px solid #edf0e8}.mini-task:first-child{border-top:0}.mini-task-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:14px}.mini-task-top h3{font-size:13px;margin-bottom:6px}.mini-task-top p{font-size:10px;color:#8c9b8c;margin:0}.mini-task-foot{display:flex;justify-content:space-between;font-size:10px;color:#8b9d8b;margin-top:9px}.bank-mini{display:flex;align-items:center;gap:12px;padding:15px 0;border-top:1px solid #edf0e8}.bank-mini:first-child{border-top:0}.line-icon{width:42px;height:42px;background:#f0f3e9;color:#6b8355;border-radius:11px;display:grid;place-content:center}.bank-mini>div:nth-child(2){flex:1}.bank-mini b{font-size:12px;font-weight:550}.bank-mini p{font-size:10px;color:#9aa48f;margin:3px 0 0}.bank-mini .num{font-size:21px;color:#3d6049;font-weight:550}.timeline{padding:5px 24px 22px}.event{padding:0 0 19px 22px;border-left:1px solid #e6ebdf;position:relative;font-size:11px}.event:before{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:#b4c8a1;left:-4px;top:6px;border:2px solid white;box-sizing:content-box}.event:last-child{padding-bottom:0;border-color:transparent}.event p{margin:0 0 3px;color:#60785d}.event small{font-size:9px;color:#9aa58e}.process-strip{padding:20px 24px;background:#eaf0e2;border:1px solid #dfe8d5;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:4px}.process-strip h3{font-size:12px;margin-bottom:3px}.process-strip p{font-size:10px;color:#87977a;margin-bottom:0}.steps{display:flex;gap:11px;align-items:center;color:#69865c;font-size:10px;white-space:nowrap}.steps .svg{width:14px;height:14px}.step-num{background:#d5e2c7;display:inline-grid;place-content:center;width:21px;height:21px;border-radius:50%;margin-right:5px;font-size:9px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}th{color:#8a978a;background:#fafbf7;font-weight:500;font-size:10px;padding:13px 20px;white-space:nowrap;border-bottom:1px solid var(--border)}td{padding:17px 20px;border-bottom:1px solid #edf0e9;vertical-align:middle}tr:last-child td{border-bottom:0}.table-sub{font-size:10px;color:#9aa396;margin-top:3px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px;flex-wrap:wrap}.toolbar .input{font-size:12px;min-height:38px;padding:8px 12px}.search{position:relative;width:275px;max-width:100%}.search .svg{position:absolute;left:12px;top:11px;color:#91a08d;width:16px;height:16px}.search .input{padding-left:36px}.filters{display:flex;gap:10px;flex-wrap:wrap}.filters select{width:auto;min-width:130px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:22px}.tabs button{background:transparent;padding:11px 17px;color:#8c9a8b;font-size:12px;border-bottom:2px solid transparent}.tabs button.active{color:var(--green);border-color:var(--green);font-weight:600}.bank-card{background:#fff;padding:24px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:border-color .15s;margin-bottom:25px;text-align:left}.bank-card.active{border-color:#63876a;background:#f5f8ef;box-shadow:0 0 0 1px #63876a}.bank-card-top{display:flex;align-items:center;gap:12px;margin-bottom:17px}.bank-card h3{font-size:14px;margin-bottom:2px}.bank-card small{font-size:10px}.bank-card .count{font-size:31px;line-height:1.1;color:#31573f;font-weight:550;margin-bottom:13px}.bank-card .count span{font-size:11px;color:#9aa48d;margin-left:6px;font-weight:400}.bank-card .split{font-size:10px;color:#8f9c84;display:flex;justify-content:space-between;padding-top:13px;border-top:1px solid #e5ecdb}.pagination{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;font-size:11px;color:#8a9888;border-top:1px solid var(--border)}.question-stem{max-width:540px;line-height:1.8}.answer-text{font-size:10px;color:#8c9d85;margin-top:5px}.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.task-card{padding:26px;border-radius:var(--radius);border:1px solid var(--border);background:white}.task-card>header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.task-card h2{font-size:17px;margin-bottom:9px}.task-card>p{font-size:11px;color:#8d9a87}.task-facts{display:flex;gap:27px;padding:19px 0;border-top:1px solid #e9eee2;border-bottom:1px solid #e9eee2;margin:19px 0}.task-facts b{display:block;font-size:20px;font-weight:550;color:#4f6d45}.task-facts span{font-size:10px;color:#94a08c}.task-card footer{display:flex;justify-content:space-between;align-items:center;gap:12px}.task-card footer small{font-size:10px}.task-card .progress{margin-bottom:12px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.help-card{padding:26px;background:white;border:1px solid var(--border);border-radius:var(--radius)}.help-card li{margin-bottom:10px;font-size:13px;color:#788b73}.help-card p{font-size:12px;color:#788b73;line-height:2}.help-card h3{margin-bottom:16px}.help-card code{font-size:11px;padding:3px 5px;background:#f2f5ec;border-radius:4px}
/* 学习及考试 */
.learn-layout{display:grid;grid-template-columns:1fr 260px;gap:23px}.question-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:29px 32px;margin-bottom:19px}.question-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:11px;color:#92a08b}.question-card h2{font-size:18px;line-height:1.8;font-weight:550;margin-bottom:23px}.options{display:grid;gap:12px}.option{display:flex;align-items:flex-start;gap:13px;padding:14px 17px;border:1px solid #e3e9dc;border-radius:10px;cursor:pointer;font-size:13px;line-height:1.8;transition:all .1s}.option:hover{background:#f8faf4}.option.selected{background:#eef4e6;border-color:#81a16f}.option.correct{background:#edf4e8;border-color:#84a773}.option.incorrect{background:#fcf0ed;border-color:#d99b91}.option input{margin:4px 0 0}.option b{color:#8c9e7d;font-size:12px;font-weight:500;margin-top:1px}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:13px;margin-top:27px}.explanation{margin-top:24px;border-top:1px solid var(--border);padding-top:20px;font-size:13px;line-height:1.9}.explanation p{margin-bottom:8px}.explanation small{display:block;font-size:10px;color:#97a08e;word-break:break-all}.learn-side{background:#ecf2e4;border:1px solid #dfe8d4;border-radius:var(--radius);padding:25px;height:max-content}.learn-side h3{font-size:14px}.learn-side .big{font-size:37px;font-weight:550;color:#4b7044;line-height:1.3;margin:22px 0 5px}.learn-side .big small{font-size:12px;font-weight:400}.learn-side p{font-size:11px;color:#8b9c80;line-height:1.9}.learn-side .progress{margin:18px 0;background:#dce6cf}.learn-side hr{border:0;border-top:1px solid #dce5cf;margin:20px 0}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:22px;align-items:start}.exam-nav{position:sticky;top:20px;background:white;border:1px solid var(--border);border-radius:var(--radius);padding:23px}.exam-nav h3{font-size:13px}.timer{font-size:32px;color:#537249;font-variant-numeric:tabular-nums;line-height:1.4;margin:8px 0 20px;font-weight:550}.timer.urgent{color:var(--red)}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:18px 0}.number-grid button{height:30px;border:1px solid #e2e8d9;background:#f8faf4;color:#8a9a7e;border-radius:5px;font-size:11px}.number-grid button.answered{background:#e7efdc;color:#63814f;border-color:#d2dfc4}.number-grid button.current{background:var(--green);color:white;border-color:var(--green)}.save-status{font-size:10px;color:#91a183;min-height:33px;margin:14px 0}.save-status.failed{color:var(--red)}.exam-nav .btn{width:100%}.result-banner{background:#eaf2e3;border:1px solid #dce6ce;border-radius:var(--radius);padding:27px;display:flex;gap:30px;align-items:center;margin-bottom:23px}.score{font-size:53px;font-weight:550;color:#4c7142;line-height:1.2;min-width:120px}.score small{font-size:11px;color:#93a482;font-weight:400}.result-banner h2{font-size:20px}.result-banner p{font-size:12px;color:#7e9471;margin:7px 0 0}.record-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:23px}.record-step{background:white;border:1px solid var(--border);padding:24px;border-radius:var(--radius)}.record-step h3{font-size:13px;margin:12px 0 9px}.record-step p{font-size:11px;color:#92a086;line-height:1.9;min-height:42px}.record-step .step-num{width:28px;height:28px}.uploads-table{padding:20px;background:#f8faf3;border-radius:10px;margin-top:20px}.uploads-table p{font-size:12px;line-height:1.9}.upload-zone{display:block;border:1px dashed #b8cbae;background:#f7faf2;border-radius:11px;padding:25px;text-align:center;color:#77916b;font-size:12px;cursor:pointer;margin-bottom:17px}.upload-zone input{width:100%;margin:12px 0 0;font-size:11px}.upload-zone .svg{display:block;margin:0 auto 8px;width:28px;height:28px}.upload-check{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.8;margin:15px 0}.upload-check input{margin-top:3px}
/* 对话框 */
.modal-backdrop{position:fixed;inset:0;background:#15382e66;backdrop-filter:blur(3px);z-index:80;display:flex;align-items:center;justify-content:center;padding:25px}.modal{background:#fcfdf9;width:580px;max-width:100%;max-height:92vh;border-radius:18px;box-shadow:0 25px 100px #173b3040;display:flex;flex-direction:column;overflow:hidden}.modal.wide{width:820px}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:23px 27px;border-bottom:1px solid var(--border)}.modal-head h2{font-size:18px;margin:0}.modal-close{font-size:23px;color:#95a38d;background:transparent;min-width:30px;min-height:30px}.modal-body{padding:24px 27px;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:17px 27px;border-top:1px solid var(--border);background:#f5f7ef}.modal-body .notice{margin-bottom:18px}.modal-table{max-height:290px;overflow:auto;background:white;border:1px solid var(--border);border-radius:9px}.modal-table td,.modal-table th{padding:11px 13px;font-size:11px}.credentials{font-family:ui-monospace,monospace;color:#41693d;user-select:all}.form-error{color:var(--red);font-size:12px;margin:12px 0}.inline-error{color:var(--red);font-size:12px;margin-bottom:14px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:#234d3d;color:#fff;border-radius:10px;padding:12px 22px;box-shadow:0 5px 25px #173b3033;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:all .2s;max-width:90vw}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}#toast.error{background:#984c40}.mobile-menu{display:none}
@media(min-width:1600px){.main{padding-top:45px}.metrics{gap:23px}.metric{padding:26px}.topbar{padding-right:max(42px,calc((100vw - 1500px)/2))}}
@media(max-width:1150px){.sidebar{width:190px;padding:28px 16px}.workspace{margin-left:190px}.main{padding:28px}.topbar{padding:0 28px}.dashboard-columns{grid-template-columns:1fr}.metrics{gap:12px}.metric{padding:18px}.metric-icon{right:14px;top:17px}.metric strong{font-size:29px}.task-grid{grid-template-columns:1fr 1fr}.process-strip{flex-wrap:wrap}.date{display:none}.record-steps{gap:12px}.record-step{padding:19px}.learn-layout{grid-template-columns:1fr 215px}.exam-layout{grid-template-columns:1fr 210px}}
@media(max-width:800px){.login{grid-template-columns:1fr}.login-story{display:none}.login-form-wrap{min-height:100vh;padding:28px}.login-form{width:380px}.sidebar{transform:translateX(-100%);transition:transform .2s;width:224px}.sidebar.open{transform:none;box-shadow:20px 0 100px #132d2633}.workspace{margin-left:0}.topbar{height:66px;padding:0 20px}.mobile-menu{display:inline-flex;background:transparent;color:var(--green);padding:5px;margin-right:8px}.crumb{display:flex;align-items:center;font-size:11px}.user-control{gap:8px}.user-control>span{display:none}.main{padding:24px 19px}.page-head{margin-bottom:22px;flex-wrap:wrap}.page-head h1{font-size:25px}.page-head .actions{padding-top:0}.metrics{grid-template-columns:1fr 1fr;gap:12px}.metric{padding:19px}.metric footer{font-size:9px}.grid3{grid-template-columns:1fr;gap:12px}.bank-card{margin-bottom:0;padding:18px}.bank-card-top{margin-bottom:10px}.bank-card .count{font-size:26px;margin-bottom:8px}.bank-card .split{padding-top:9px}.banks-grid{margin-bottom:24px}.task-grid,.help-grid{grid-template-columns:1fr}.grid2{gap:0 12px}.steps{flex-wrap:wrap;white-space:normal}.panel-head{padding:20px}.panel-body{padding:0 20px 20px}.learn-layout,.exam-layout{grid-template-columns:1fr}.learn-side{order:-1;padding:18px}.learn-side .big{margin:8px 0;font-size:28px}.learn-side hr,.learn-side .hint{display:none}.learn-side .progress{margin:10px 0}.question-card{padding:22px 20px}.question-card h2{font-size:16px}.exam-nav{position:static;order:-1;padding:17px}.timer{display:inline-block;margin:0;font-size:27px}.exam-nav h3{display:inline-block;margin:0 15px 0 0}.exam-nav .number-grid{margin:12px 0;grid-template-columns:repeat(10,1fr)}.exam-nav .save-status{display:inline-block;margin:0 0 8px;min-height:auto}.exam-nav .btn{width:auto;float:right}.result-banner{padding:22px;gap:18px;align-items:flex-start}.score{font-size:39px;min-width:90px}.result-banner h2{font-size:17px}.record-steps{grid-template-columns:1fr}.record-step p{min-height:0}.record-step{padding:20px}.modal-backdrop{padding:12px}.modal-body{padding:20px}.modal-head{padding:18px 20px}.modal-footer{padding:15px 20px}.task-facts{gap:25px}.search{width:100%}.toolbar{align-items:stretch}.filters{width:100%}.filters select{flex:1}.tabs button{padding:10px 13px}.process-strip{margin-top:0}.user-control .btn{padding:3px}.question-actions{gap:6px}.question-actions .btn{padding:9px 12px}td,th{padding:14px}.dashboard-columns{gap:0}.record-steps{gap:13px}.exam-nav .number-grid button{height:27px;font-size:10px}}
@media print{.sidebar,.topbar,.btn,.toolbar,.exam-nav{display:none!important}.workspace{margin:0}.main{padding:0}.question-card,.panel{border:0;box-shadow:none}.page-head{display:none}}

.banks-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:800px){.banks-grid{grid-template-columns:1fr}}

/* 难度评级与组卷 */
.compact{width:125px;min-height:38px}.difficulty-stock{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;font-size:12px}.difficulty-stock b{font-weight:550}.difficulty-stock>span{display:inline-flex;align-items:center;gap:5px}.rating-tags{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.bulk-rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px;background:#edf3ec;border-radius:10px;margin-bottom:16px}.bulk-rating>span{font-size:12px;min-width:65px}.bulk-rating small{font-size:11px}.difficulty-config{padding:20px;border:1px solid var(--border);border-radius:12px;background:#f4f7ef;margin-bottom:20px}.difficulty-config h3{margin-bottom:16px}.difficulty-config>small{display:block;font-size:11px;color:var(--muted);line-height:1.8}.difficulty-config .grid3{gap:12px}.difficulty-inputs .field{margin-bottom:12px}.difficulty-plan{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.difficulty-plan>div{padding:13px;border:1px solid var(--border);border-radius:9px;background:white;display:flex;flex-direction:column;align-items:flex-start;gap:6px}.difficulty-plan strong{font-size:23px;font-weight:550}.difficulty-plan strong small{font-size:11px;font-weight:400}.difficulty-plan>div>small{font-size:11px}.plan-ok,.plan-error{font-size:12px;line-height:1.8;margin:12px 0}.plan-ok{color:var(--green2)}.plan-error{color:var(--red)}.task-card .task-difficulty{padding:10px;background:#f2f5ed;border-radius:8px;font-size:11px;line-height:1.9;min-height:0}.difficulty-inputs input:disabled{background:#eef0ec;color:#97a08f}
@media(max-width:800px){.difficulty-inputs{grid-template-columns:repeat(3,minmax(0,1fr))}.difficulty-inputs label{font-size:11px}.difficulty-config{padding:15px}.difficulty-plan{gap:6px}.difficulty-plan>div{padding:9px}.bulk-rating small{width:100%}}