@charset "UTF-8";
:root{--ink:#1a293c;--muted:#657588;--border:#e1e7ee;--blue:#2860e8;--blue-light:#eef3ff;--teal:#078474;--bg:#f4f6f9;--nav:#172637;--red:#c8394d;--shadow:0 8px 28px #24395209;font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
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.bank-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.bank-card{min-width:0}.bank-symbol{display:grid;place-items:center;width:43px;height:43px;border-radius:9px;color:var(--blue);background:var(--blue-light)}.bank-card h2{font-size:18px;margin:19px 0 8px;overflow-wrap:anywhere}.bank-description{font-size:12px;color:var(--muted);line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;min-height:46px}.bank-counts{display:flex;gap:17px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:15px}.bank-counts strong{color:var(--ink);font-size:17px;margin-right:3px}.bank-admin-actions{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--border);padding-top:15px;margin-top:20px}.bank-admin-actions .text-btn{font-size:11px}.bank-scope-list{padding:7px 24px}.bank-scope{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--border)}.bank-scope:last-child{border:0}.bank-scope h3{font-size:14px}.bank-scope p{font-size:12px;color:var(--muted);margin-top:5px}.bulk-bar{flex-wrap:wrap;gap:12px}.q-meta .badge{max-width:100%;white-space:normal;overflow-wrap:anywhere}
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@media(max-width:760px){.page-heading:has(.source-library-actions){flex-wrap:wrap}.source-library-actions{width:100%;justify-content:flex-start}.import-mode-tabs{gap:12px}.import-mode-tabs .tab{text-align:left;line-height:1.6}.import-task-list .job-item{flex-wrap:wrap}.import-record-actions{width:100%;max-width:none;padding-left:18px}.import-record-heading>.row{width:100%}.import-record-heading .btn{flex:1}}
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.bank-review-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;border-color:#ccdbf6;background:#fbfdff}.bank-review-summary{display:flex;align-items:flex-start;gap:14px;min-width:0}.bank-review-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:9px;background:var(--blue-light);color:var(--blue);flex:none}.bank-review-summary h2{font-size:16px}.bank-review-summary p{font-size:12px;margin-top:7px;overflow-wrap:anywhere}.bank-review-summary small{display:block;font-size:11px;color:var(--muted);margin-top:6px;line-height:1.8;overflow-wrap:anywhere}.bank-review-summary .bank-review-empty{color:var(--teal)}.bank-review-actions{display:flex;flex-direction:column;align-items:stretch;gap:8px;flex:none}.bank-review-actions>.btn{font-size:12px;justify-content:center}.bank-review-actions>small{font-size:10px;color:var(--muted);text-align:center}.bank-approval-count{padding:17px 19px;background:#f1f5fd;border:1px solid #dde6f7;border-radius:8px;margin-bottom:20px}.bank-approval-count>span{font-size:11px;color:var(--muted)}.bank-approval-count h3{font-size:17px;overflow-wrap:anywhere;margin-top:6px}.bank-approval-count>strong{display:block;font-size:31px;color:var(--blue);margin-top:10px}.bank-approval-count small{font-size:12px;font-weight:400;color:var(--muted)}#bank-approval-preview>.muted{font-size:13px;line-height:1.9;overflow-wrap:anywhere}#bank-approval-preview .notice{font-size:12px}#bank-approval-error{overflow-wrap:anywhere}
@media(max-width:760px){.bank-review-panel{flex-wrap:wrap;gap:16px;padding:18px 16px}.bank-review-summary{gap:11px;flex-basis:100%}.bank-review-icon{width:35px;height:35px}.bank-review-icon svg{width:19px;height:19px}.bank-review-summary h2{font-size:15px}.bank-review-actions{width:100%}.bank-review-actions>.btn{width:100%;white-space:normal}.modal-footer:has(#bank-approval-confirm){flex-wrap:wrap;gap:8px}.modal-footer:has(#bank-approval-confirm)>.btn{font-size:12px;padding:9px 11px}#bank-approval-confirm{white-space:normal;flex-basis:100%;justify-content:center}.bank-approval-count{padding:14px 15px}.bank-approval-count h3{font-size:16px}}
.practice-meta-state:empty{display:none}.practice-meta-state{margin-top:12px}.practice-meta-state>.help{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.practice-meta-state .spinner{width:12px;height:12px;vertical-align:middle}.practice-meta-state .btn{margin-top:8px}.practice-draft-notice{font-size:12px;margin:15px 0 20px;overflow-wrap:anywhere}#practice-form .help{font-size:11px;color:var(--muted);line-height:1.9;margin-top:8px;overflow-wrap:anywhere}
.favorite-toggle{white-space:nowrap;gap:5px}.favorite-toggle span{font-size:16px;line-height:1}.favorite-toggle.is-favorite{color:#9b680a;background:#fff8e6;border-color:#ecd79b}.q-meta .favorite-toggle{margin-left:auto}.practice-progress{text-align:center;line-height:1.9}.practice-map-details summary{font-size:12px;cursor:pointer;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:8px}.practice-map-details summary small{color:var(--blue)}.practice-question-map{max-height:310px;overflow-y:auto;overscroll-behavior:contain;padding:1px 5px 2px 1px;scrollbar-width:thin}.question-map button.saved{background:#eef3ff;border-color:#c4d4f3;color:var(--blue)}.study-list-summary{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.study-list-summary input{width:76px;min-width:0;padding:7px 8px}.study-list-summary select{width:auto;min-width:0;padding:7px 8px}.study-pagination{display:flex;align-items:center;justify-content:center;gap:17px;padding:18px 24px;border-top:1px solid var(--border);font-size:12px}.study-pagination:empty{display:none}.study-item .actions{flex-wrap:wrap;justify-content:flex-end}.study-toolbar select{max-width:230px}.study-item .q-stem{overflow-wrap:anywhere}#practice-answer-form>.help{color:var(--muted);font-size:12px;line-height:1.8}#practice-answer-form .form-error:empty{min-height:0;margin-top:0}.study-side>.mt>.badge{display:block;text-align:center}.study-side>.mt>.btn{width:100%}
@media(max-width:760px){.study-side .practice-question-map{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));max-height:122px;margin-top:10px}.practice-question-map button{height:29px;font-size:11px}.practice-map-details summary{font-size:12px}.practice-layout .study-side>.row,.practice-layout .study-side>h3{display:inline-flex;margin:0 12px 6px 0;gap:8px;align-items:center}.study-side .large-num{font-size:19px}.practice-layout .study-side>p.muted.mt{font-size:10px!important;line-height:1.7;margin-top:10px}.study-list-summary{padding:15px}.study-list-summary>.row{width:100%}.study-list-summary>.row>.btn{flex:1}.study-toolbar select{max-width:none}.study-item{flex-wrap:wrap}.study-item .actions{width:100%;flex-direction:row;justify-content:flex-start;margin-left:0}.q-meta .favorite-toggle{margin-left:0}.study-pagination{padding:15px;gap:12px}.study-footer .practice-progress{font-size:11px!important}.study-footer>.btn{padding:8px 10px;font-size:12px}.practice-map-details:not([open])+.muted{display:none}}
.paper-center-actions{flex:none;justify-content:flex-end}.paper-empty-actions{justify-content:center}.paper-empty-actions .btn{margin-top:0}#solve-config-notice .text-btn{white-space:normal}#solve-upload-card input[type=file]{max-width:100%;min-width:0}#solve-upload-card .help{font-size:11px;color:var(--muted);line-height:1.9;margin-top:8px;overflow-wrap:anywhere}
@media(max-width:760px){.page-heading:has(.paper-center-actions){flex-wrap:wrap}.paper-center-actions{width:100%;justify-content:flex-start}.paper-center-actions>.btn{flex:1;font-size:12px;white-space:normal;padding:9px 11px}.paper-empty-actions{width:100%}.paper-empty-actions>.btn{flex:1;font-size:12px;white-space:normal}#solve-config-notice{font-size:12px}#solve-upload-card{min-width:0}}
.login-scene{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:26px;position:relative;isolation:isolate;background:radial-gradient(ellipse at 4% 4%,#dce8fc 0,transparent 43%),radial-gradient(ellipse at 100% 100%,#e0e9fa 0,transparent 42%),#f2f5fb;overflow:hidden}
.login-scene::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.38;background-image:linear-gradient(#b6c8e51c 1px,transparent 1px),linear-gradient(90deg,#b6c8e51c 1px,transparent 1px);background-size:66px 66px;pointer-events:none}
.login-scene .login{width:100%;max-width:1080px;min-height:650px;grid-template-columns:1.04fr 1fr;border:1px solid #ffffffde;border-radius:23px;overflow:hidden;background:white;box-shadow:0 24px 70px #1d437519,0 4px 16px #253c5c08;position:relative}
.login-scene .login-story{padding:34px 40px;color:white;background:linear-gradient(145deg,#184395 0,#2052bb 52%,#2c64d5 100%);min-width:0;min-height:0}
.login-scene .login-story::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 93% 2%,#609aff4d 0,transparent 38%);pointer-events:none}
.login-scene .login-story::after{width:380px;height:380px;right:-286px;bottom:58px;border-color:#a9c5ff24;box-shadow:0 0 0 44px #8ab5fb0c,0 0 0 88px #8ab5fb08}
.login-scene .login-story>*{position:relative;z-index:1}
.login-scene .login-story .brand{padding:0;flex:none}
.login-scene .login-story .brand-mark{width:43px;height:43px;background:#ffffff1c;border:1px solid #ffffff26;border-radius:11px;color:white;box-shadow:none}
.login-scene .login-story .brand strong{font-size:19px;color:white;letter-spacing:.5px}
.login-scene .login-story .brand small{font-size:9px;color:#b5d0fc;letter-spacing:2px;margin-top:3px}
.login-story-header{display:flex;align-items:center;justify-content:space-between;gap:14px}.login-home-link{display:inline-flex;align-items:center;gap:6px;flex:none;border:1px solid #d1e2ff38;background:#ffffff0d;color:#dbe9ff;padding:7px 10px;font-size:11px;line-height:1.6;border-radius:7px;white-space:nowrap}.login-home-link>svg{transform:rotate(180deg)}.login-home-link:hover{background:#ffffff1c;color:white;text-decoration:none}
.login-scene .login-copy{margin:29px 0 15px}
.login-scene .login-copy .eyebrow{font-size:10px;color:#a9cafb;letter-spacing:1.9px}
.login-scene .login-copy h1{color:white;font-size:35px;line-height:1.48;letter-spacing:-.5px;margin:11px 0 14px;font-weight:700}
.login-scene .login-copy p{font-size:13px;line-height:1.95;color:#d3e2fb;max-width:365px}
.login-illustration{margin:1px -5px 19px}
.login-illustration>svg{display:block;width:100%;height:185px}
.login-flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.login-flow li{padding:11px 10px;border:1px solid #c8deff2e;border-radius:9px;background:#0b2f871a;min-width:0}
.login-flow li>span{font-size:10px;color:#a9cdfc;display:block;line-height:1.5;letter-spacing:1.3px}
.login-flow strong{display:block;font-size:12px;font-weight:600;color:white;margin-top:4px}
.login-flow small{display:block;font-size:10px;line-height:1.8;color:#c1d7fa;margin-top:3px;overflow-wrap:anywhere}
.login-scene .login-story-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#bbd2f5;font-size:10px;margin-top:22px}
.login-scene .login-story-foot>span:first-child{display:flex;align-items:center;gap:7px}
.login-story-dots{display:flex;gap:5px}.login-story-dots i{width:4px;height:4px;border-radius:50%;background:#ffffff45}.login-story-dots i:first-child{background:#d8e6ff}
.login-scene .login-panel{padding:42px 47px;display:grid;place-items:center;background:#fff;min-width:0}
.login-scene .login-form{width:100%;max-width:350px}
.login-access-tag{display:flex;align-items:center;gap:6px;width:max-content;font-size:11px;color:#4874b6;background:#edf3fc;border-radius:6px;padding:5px 9px;margin-bottom:23px}
.login-scene .login-form h2{font-size:28px;line-height:1.5;letter-spacing:-.4px;color:#233650;margin:0 0 10px}
.login-scene .login-form .intro{font-size:13px;color:#7b899b;line-height:1.8;margin-bottom:31px}
.login-scene .login-form .field{margin-bottom:20px}
.login-scene .login-form label{font-size:12px;color:#465970;font-weight:600;margin-bottom:8px}
.login-input-wrap{position:relative}
.login-scene .login-input-wrap input{height:49px;border-color:#dae3ef;border-radius:9px;background:#fbfcfe;padding:11px 43px;font-size:14px;color:#263c59;min-width:0}
.login-scene .login-input-wrap input::placeholder{color:#9aa8b9}
.login-scene .login-input-wrap input:hover{border-color:#b5c9e7}
.login-scene .login-input-wrap input:focus{background:white;border-color:var(--blue);box-shadow:0 0 0 3px #2860e813}
.login-field-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#93a8c1;display:flex;align-items:center;pointer-events:none}
.login-scene .password-field input{padding-right:50px}
.login-scene .password-field button{display:grid;place-items:center;right:5px;top:5px;width:39px;height:39px;padding:0;border:0;border-radius:6px;color:#7c8fa9;background:transparent}
.login-scene .password-field button:hover{background:#edf3fd;color:var(--blue)}
.login-scene .password-field button:focus-visible{outline:2px solid #8aadf3;outline-offset:0}
.login-scene .login-submit{display:flex;align-items:center;justify-content:space-between;gap:15px;width:100%;height:49px;padding:11px 18px;margin-top:6px;border:0;border-radius:9px;font-size:13px;font-weight:600;background:linear-gradient(100deg,#2860e8,#3473ee);box-shadow:0 5px 15px #2860e827}
.login-scene .login-submit:hover{background:linear-gradient(100deg,#2259df,#2d6be7);box-shadow:0 7px 18px #2860e830}
.login-scene .login-submit>svg{margin:0}
.login-scene .login-error{min-height:25px;font-size:12px;line-height:1.8;margin-top:9px;white-space:pre-wrap;overflow-wrap:anywhere}
.login-account-help{display:flex;align-items:flex-start;gap:9px;padding-top:19px;margin-top:14px;border-top:1px solid #edf0f5;color:#6f8198;font-size:12px;line-height:1.8}
.login-account-help>svg{color:#8ba5c9;margin-top:2px}.login-account-help p{min-width:0;overflow-wrap:anywhere}.login-account-help p>span{font-size:11px;color:#8b98aa}
.login-panel-foot{font-size:10px;letter-spacing:2px;text-align:center;color:#a9b5c4;margin-top:27px}
.login-scene-foot{font-size:11px;line-height:1.6;color:#8a9bb2;margin:0;text-align:center}.login-scene-foot>span{margin:0 7px;color:#afbdd0}
@media(min-width:761px) and (max-width:1000px){.login-scene .login{min-height:630px;grid-template-columns:1fr 1fr}.login-scene .login-story{padding:33px 30px}.login-scene .login-panel{padding:37px 30px}.login-scene .login-copy h1{font-size:31px}.login-illustration>svg{height:175px}.login-flow li{padding:10px 8px}.login-flow strong{font-size:11px}.login-flow small{font-size:9px}.login-scene .login-story-foot{font-size:9px}.login-story-dots{display:none}}
@media(max-width:760px){.login-scene{padding:16px;gap:16px;justify-content:center}.login-scene .login{grid-template-columns:1fr;max-width:430px;min-height:0;border-radius:19px}.login-scene .login-story{padding:20px 24px;display:block;min-height:0}.login-scene .login-story .brand-mark{width:38px;height:38px;border-radius:10px}.login-scene .login-story .brand strong{font-size:18px}.login-scene .login-story .brand small{font-size:8px;letter-spacing:1.8px}.login-scene .login-copy,.login-scene .login-illustration,.login-scene .login-flow,.login-scene .login-story-foot{display:none}.login-scene .login-panel{padding:24px 24px 22px;place-items:start center}.login-scene .login-form{max-width:none}.login-scene .login-access-tag{display:none}.login-scene .login-form h2{font-size:24px;margin-bottom:8px}.login-scene .login-form .intro{font-size:12px;margin-bottom:24px}.login-scene .login-form .field{margin-bottom:17px}.login-scene .login-form label{margin-bottom:7px}.login-scene .login-input-wrap input{font-size:16px;height:48px}.login-scene .login-submit{margin-top:5px}.login-scene .login-error{min-height:24px;margin-top:8px}.login-account-help{font-size:11px;padding-top:14px;margin-top:12px;line-height:1.8}.login-account-help p>span{font-size:10px}.login-panel-foot{display:none}.login-scene-foot{font-size:10px}.login-scene .login-story::after{bottom:-287px;right:-180px}}
@media(max-width:760px) and (max-height:720px){.login-scene-foot{display:none}}
@media(prefers-reduced-motion:reduce){.login-scene *, .login-scene *::before,.login-scene *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.trash-purge-scope{font-size:13px;font-weight:600;overflow-wrap:anywhere;margin-bottom:14px}.trash-purge-count{background:#fff5f4;border:1px solid #f1d5d1;border-radius:8px;padding:15px 17px;margin-bottom:14px}.trash-purge-count>span{display:block;font-size:12px;color:#916660;overflow-wrap:anywhere}.trash-purge-count>strong{display:block;font-size:26px;color:#b24942;margin-top:5px}.trash-purge-count small{font-size:12px;font-weight:400}.trash-purge-items{padding-left:21px;font-size:13px;line-height:1.9;max-height:220px;overflow:auto;margin:12px 0}.trash-purge-items li{overflow-wrap:anywhere}.trash-purge-items small{color:var(--muted);font-size:11px}.modal-footer:has(#trash-purge-confirm),.modal-footer:has(#import-trash-clear){flex-wrap:wrap}.modal-footer:has(#trash-purge-confirm)>.btn{white-space:normal}
@media(max-width:760px){.source-library-actions>.btn{white-space:normal;font-size:12px;padding:9px 11px}.modal-footer:has(#trash-purge-confirm)>.btn,.modal-footer:has(#import-trash-clear)>.btn{font-size:12px;padding:9px 11px;white-space:normal}#trash-purge-confirm{flex-basis:100%;justify-content:center}.trash-purge-count{padding:13px 15px}.trash-purge-items{max-height:180px;font-size:12px}}
.learning-save-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:-4px 0 17px;font-size:12px;color:var(--muted);min-height:24px}.learning-save-bar>span{min-width:0;overflow-wrap:anywhere}.resume-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;border-top:1px solid var(--border)}.resume-item strong{font-size:14px;overflow-wrap:anywhere}.resume-item p{font-size:12px;margin-top:6px}.resume-item>.btn{flex:none}.resume-card .section-title{margin-bottom:6px}.records-tabs{flex-wrap:wrap}.feedback-item{padding:23px 25px;border-bottom:1px solid var(--border)}.feedback-item:last-child{border-bottom:0}.feedback-item .q-stem{margin-top:10px;font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap}.feedback-item .notice{display:block;white-space:pre-wrap;overflow-wrap:anywhere}.topic-manager-list{max-height:265px;overflow:auto;border:1px solid var(--border);border-radius:7px;padding:8px 12px}.topic-manager-item{display:flex;gap:10px;align-items:center;padding:9px 0;font-weight:400;border-bottom:1px solid var(--border);margin:0}.topic-manager-item:last-child{border:0}.topic-manager-item span{flex:1;min-width:0;overflow-wrap:anywhere}.topic-manager-item small{color:var(--muted);flex:none}.usage-filter{flex-wrap:wrap}.usage-filter>input,.usage-filter>select{width:auto;max-width:220px;min-width:100px;flex:1}.usage-filter>input[type=number]{max-width:120px}.usage-metric{font-size:27px!important;overflow-wrap:anywhere}.ops-details{display:grid;gap:13px;margin-top:20px;font-size:13px;overflow-wrap:anywhere}.backup-file-list{list-style:none;padding:0;margin:14px 0}.backup-file-list li{display:flex;gap:15px;justify-content:space-between;border-bottom:1px solid var(--border);padding:10px 0;font-size:12px}.backup-file-list li>span{min-width:0;overflow-wrap:anywhere}.backup-file-list small{flex:none;color:var(--muted)}.study-footer:has(#exam-save-controls){flex-wrap:wrap}#exam-save-controls:empty{display:none}#exam-save-controls{flex-basis:100%;order:2;text-align:center}.study-list-summary select{max-width:160px}.study-list-summary>.row{flex-wrap:wrap}
@media(max-width:760px){.resume-card .section-title{flex-wrap:wrap;gap:10px}.resume-item{gap:10px}.resume-item p{font-size:11px;line-height:1.7}.resume-item>.btn{padding:8px 10px}.feedback-item{padding:17px 15px}.usage-filter>input,.usage-filter>select{width:calc(50% - 8px);max-width:none;flex:auto}.usage-filter>.btn{width:100%}.usage-filter>input[type=number]{max-width:none}.learning-save-bar{font-size:11px}.learning-save-bar>.btn{padding:6px 9px}.page-heading:has([data-action=practice-leave]){flex-wrap:wrap;gap:14px}.page-heading:has([data-action=practice-leave])>.row{width:100%}.page-heading:has([data-action=practice-leave])>.row>.btn{flex:1}.study-list-summary select{max-width:none;flex:1}.topic-manager-item{font-size:13px}.ops-details{font-size:12px}.study-footer:has(#exam-save-controls)>#exam-save-status{flex:1;text-align:center;font-size:11px!important}}