:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#19262a;background:#f7f8f5;font-synthesis:none;--green: #244a3c;--line: #e1e5e2;--muted: #77807f}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:background .15s}button:disabled{opacity:.5;cursor:wait}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #608d73;outline-offset:3px}button{border:0}input,textarea,select{border:1px solid #d7ddda;border-radius:7px;background:#fff;color:inherit;font-size:15px}input,select{height:46px;padding:0 15px}textarea{padding:12px;width:100%;resize:vertical}h1,h2,h3,p{margin:0}.app{min-height:100vh}aside{position:fixed;top:0;left:0;bottom:0;width:230px;background:#fff;padding:28px 14px;display:flex;flex-direction:column;border-right:1px solid #f1f3f0}.brand{display:flex;gap:15px;align-items:center;padding:0 17px;color:var(--green)}.brand b{display:block;font:700 28px Georgia,serif;letter-spacing:-.5px;color:#15272b}.brand span{display:block;margin-top:3px;font-size:14px;color:var(--muted);letter-spacing:2px}nav{margin-top:35px;display:flex;flex-direction:column;gap:7px}nav button{justify-content:flex-start;height:49px;border-radius:7px;background:transparent;padding:0 22px;gap:20px;font-size:16px;color:#243336}nav button.selected{background:#e9efea;color:var(--green)}nav button:hover{background:#f0f3ef}.sync{background:transparent;margin:auto 8px 0;border-top:1px solid var(--line);padding:22px 10px 0;justify-content:flex-start;color:#5d6a6d;font-size:15px;gap:18px}main{margin-left:230px;padding:28px 40px 10px;max-width:1600px}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:13px;color:#596569;margin-bottom:32px}header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}h1{font-size:42px;font-weight:650;letter-spacing:-1.5px;line-height:1.2}header p{color:var(--muted);margin-top:12px;font-size:16px}.primary{background:var(--green);color:#fff;padding:14px 22px;min-height:48px;border-radius:7px;font-size:15px;white-space:nowrap}.primary:hover{background:#163a2d}.secondary{background:#fff;border:1px solid #d6ded8;color:var(--green);border-radius:7px;padding:12px 18px;min-height:44px;font-size:14px}.secondary:hover{background:#eff3ee}.stats{display:flex;margin:34px 0 25px}.stats>div{flex:1;text-align:center;border-right:1px solid #d8ddda}.stats>div:last-child{border:0}.stats span{display:block;color:#697576;font-size:14px;margin-bottom:3px}.stats strong{font:500 36px Georgia,serif;color:#15272b}.study-banner{display:flex;align-items:center;justify-content:space-between;background:#e8efe8;padding:25px 30px;border-radius:10px;margin-bottom:20px;gap:20px}.study-banner h2{font-size:27px;font-weight:600;letter-spacing:-.5px;color:#213e35}.study-banner p{font-size:16px;color:#74817a;margin-top:9px}.toolbar{display:flex;justify-content:space-between;gap:20px}.search{display:flex;align-items:center;background:#fff;border:1px solid #d7ddda;border-radius:7px;padding:0 15px;gap:10px;width:40%;min-width:280px;color:#7a8485}.search input{border:0;width:100%;padding:0;height:43px;outline-offset:0}.toolbar select{width:220px;height:45px}.tabs{display:flex;gap:15px;border-bottom:1px solid #dce1dd;margin-bottom:16px}.tabs button{background:transparent;color:#75807f;padding:17px 18px 12px;border-bottom:2px solid transparent;font-size:14px}.tabs button.active{color:var(--green);border-color:var(--green)}.word-table{border-radius:7px;overflow:hidden;background:#fff}.table-head,.word-row{display:grid;grid-template-columns:1.15fr 1.3fr .65fr .72fr 90px;gap:20px;align-items:center;padding:0 22px}.table-head{background:#ecf0ed;height:40px;color:#6e797a;font-size:13px}.word-row{min-height:64px;border-bottom:1px solid #e8ece9}.word-row:last-child{border:0}.word-title{display:flex;gap:15px;align-items:center}.word-title strong{font:700 23px Georgia,Times New Roman,serif;overflow-wrap:anywhere}.phonetic{font:14px Georgia,serif;color:#7a8185;margin-top:1px}.meaning{font-size:14px;line-height:1.65;overflow-wrap:anywhere}.tag,.status{display:inline-block;border-radius:20px;padding:5px 13px;background:#eef1ef;font-size:12px;color:#65726f;max-width:100%;overflow-wrap:anywhere}.status{background:#e8f3e1;color:#45664b;white-space:nowrap}.status.mastered{background:#dfede5;color:#27523e}.icon{padding:5px;background:transparent;color:#7b8589;min-height:30px;border-radius:4px}.icon:hover{color:var(--green);background:#edf3ed}.icon.starred{color:#467a50}.icon.starred svg{fill:#d4e4ca}.row-actions{display:flex;justify-content:space-between;gap:9px}footer{display:flex;justify-content:center;align-items:center;gap:15px;color:#96a09c;font-size:13px;margin-top:24px;margin-bottom:12px}footer span{height:1px;width:18px;background:#c5ceca}.empty,.loading{padding:65px 25px;text-align:center;color:#7c8982}.empty svg{margin-bottom:15px}.empty h3{font-size:18px;margin-bottom:10px}.empty p{font-size:14px}.dialog{border:1px solid #e0e5df;border-radius:14px;box-shadow:0 24px 80px #122a2529;width:530px;max-width:calc(100% - 30px);padding:30px;color:#21312c;max-height:90vh}.dialog::backdrop{background:#11281e55;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:25px;gap:15px}.dialog h2{font-size:24px;line-height:1.4}.dialog-heading p{color:#7a867e;margin-top:6px;font-size:14px}label{display:block;font-size:14px;margin-bottom:18px}label span{color:#658e75}label input,label textarea{display:block;width:100%;margin-top:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:24px}.danger{background:transparent;color:#9e4940;font-size:13px;margin-right:auto;padding:5px}.error{background:#fbebe6;border:1px solid #ecd2c9;color:#994936;padding:14px 20px;border-radius:7px;margin-bottom:20px;position:relative;z-index:5}.error button{background:transparent;color:inherit;margin-left:15px;text-decoration:underline}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%);display:flex;gap:10px;align-items:center;background:#244a3c;color:#fff;padding:14px 22px;border-radius:8px;z-index:10;font-size:14px;box-shadow:0 5px 20px #244a3c22}.review{max-width:850px;margin:auto}.text-button{background:transparent;padding:0;color:#66796d;font-size:14px}.review-top{text-align:center;margin:25px 0 20px}.review-top p{margin-top:12px;color:var(--muted);font-size:14px}.progress{height:5px;border-radius:6px;background:#e2e9e0;margin-bottom:24px;overflow:hidden}.progress>div{height:100%;background:#568262;transition:width .25s}.flashcard{background:#fff;border:1px solid #e0e6df;border-radius:14px;min-height:370px;text-align:center;padding:35px}.flashcard h2{font:600 48px Georgia,serif;overflow-wrap:anywhere;margin-top:32px}.pronunciation{background:transparent;color:#7a8980;font:16px Georgia,serif;padding:15px}.reveal{display:flex;margin:40px auto 0}.answer{margin-top:26px;border-top:1px solid #e3e9df;padding-top:25px}.answer h3{font-size:23px;font-weight:500;line-height:1.6}.answer p{margin-top:16px;color:#7b887e;line-height:1.7;font:italic 18px Georgia,serif}.rating{display:flex;justify-content:center;gap:18px;margin-top:22px}.review-note{text-align:center;color:#96a095;font-size:13px;margin-top:22px}.complete{text-align:center;background:#fff;border-radius:12px;padding:65px 20px}.complete>svg{color:#62896b;margin-bottom:22px}.complete h2{font-size:26px}.complete p{margin:15px 0 25px;color:var(--muted)}.settings-copy{font-size:14px;line-height:1.8;color:#718074;margin-bottom:20px}.export{display:flex;margin:16px 0 28px}.dialog>textarea{margin-top:12px;font-family:monospace;font-size:12px}.dialog form{margin-top:20px}@media(min-width:1400px){main{padding:30px 40px 15px}.breadcrumb{margin-bottom:35px}header p{font-size:18px}h1{font-size:46px}.stats{margin-top:32px;margin-bottom:25px}.study-banner{padding:28px 32px}.study-banner h2{font-size:29px}.word-row{min-height:68px}.meaning{font-size:15px}.word-title strong{font-size:25px}}@media(max-width:1050px){aside{width:190px;padding-left:10px;padding-right:10px}.brand{padding:0 10px;gap:10px}.brand b{font-size:24px}.brand svg{width:32px}nav button{padding-left:16px;gap:16px}main{margin-left:190px;padding:25px}h1{font-size:36px}.table-head,.word-row{grid-template-columns:1.1fr 1.2fr .6fr .7fr 68px;gap:12px;padding:0 15px}.word-title{gap:5px}.word-title strong{font-size:20px}.study-banner h2{font-size:23px}.study-banner p{font-size:14px}.search{width:55%;min-width:0}}@media(max-width:700px){aside{position:relative;width:auto;padding:20px 20px 0;border-bottom:1px solid var(--line);border-right:0;display:grid;grid-template-columns:1fr auto}.brand{padding:0;gap:10px}.brand b{font-size:25px}.brand span{font-size:11px}.brand svg{width:33px}.sync{margin:0;border:0;padding:0;font-size:12px;gap:5px}.sync svg{width:18px}nav{grid-column:1/-1;flex-direction:row;margin-top:20px;gap:5px}nav button{flex:1;padding:10px 5px;gap:7px;font-size:13px;height:44px;border-radius:6px 6px 0 0}nav button svg{width:17px}main{margin:0;padding:22px 18px}.breadcrumb{margin-bottom:22px;font-size:12px}h1{font-size:31px;letter-spacing:-1px}header{gap:10px}header p{font-size:12px;line-height:1.7;margin-top:8px}.primary{padding:12px 14px;min-height:42px;font-size:13px;gap:5px}header .primary{margin-top:2px}header .primary svg{width:17px}.stats{margin:25px 0}.stats span{font-size:12px}.stats strong{font-size:30px}.study-banner{padding:20px 18px;align-items:flex-start;flex-direction:column;gap:17px}.study-banner h2{font-size:21px}.study-banner p{font-size:13px}.study-banner button{align-self:flex-end}.toolbar{gap:10px}.search{flex:1;padding:0 10px;min-width:0}.search input{font-size:12px;min-width:0}.search svg{width:16px;flex-shrink:0}.toolbar select{width:110px;font-size:12px;padding:0 8px}.tabs{gap:10px}.tabs button{padding:16px 12px 11px;font-size:13px}.table-head{display:none}.word-row{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:18px;position:relative}.word-row>div:first-child{grid-column:1;grid-row:1}.word-row .meaning{grid-column:1/-1;grid-row:2;font-size:14px;margin:5px 0}.word-row>div:nth-child(3){grid-column:1;grid-row:3}.word-row>div:nth-child(4){grid-column:2;grid-row:3}.word-row .row-actions{grid-column:2;grid-row:1;gap:8px}.word-title strong{font-size:25px}.word-title{gap:8px}.word-row .tag,.word-row .status{font-size:11px}.dialog{padding:24px 20px}.form-grid{grid-template-columns:1fr}.form-actions{flex-wrap:wrap}.dialog h2{font-size:22px}.review-top h1{font-size:34px}.flashcard{padding:25px 20px;min-height:340px}.flashcard h2{font-size:36px}.answer h3{font-size:20px}.rating{gap:10px}.rating button{font-size:12px;padding:12px}.toast{width:max-content;max-width:90%;bottom:20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}.brand svg{flex-shrink:0}@media(max-width:700px){.sync{grid-column:2;grid-row:1}nav{grid-row:2}}@media(min-width:1051px){:root{font-family:Songti SC,STSong,SimSun,serif}aside{width:262px}main{margin-left:262px}.brand b{font-size:30px}h1{font-size:48px;font-weight:700}header p{font-size:19px}.study-banner h2{font-size:31px}.study-banner p{font-size:20px}.stats span{font-size:18px}.stats strong{font-size:40px}.table-head{font-size:16px}.meaning{font-size:18px}.tag,.status{font-size:15px}.phonetic,.toolbar input,.toolbar select,.tabs button{font-size:16px}.primary,nav button{font-size:18px}.word-row{min-height:66px}.stats{margin-top:30px}.study-banner{padding:25px 32px}footer{font-size:16px}}.pronunciation-controls{margin:-12px 0 26px;padding:14px 16px;background:#eef2ed;border:1px solid #e0e7dd;border-radius:8px}.pronunciation-options{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.pronunciation-options>span{display:flex;gap:8px;align-items:center;font-size:14px;color:#456652;margin-right:auto}.pronunciation-options select{height:35px;font-size:13px;padding:0 10px;max-width:100%}.speech-notice{font-size:12px;color:#6d7c70;line-height:1.6;margin-top:8px}.speech-notice.failed{color:#965442}.pronunciation-button[aria-pressed=true],.pronunciation[aria-pressed=true]{color:#244a3c;background:#e3efdf}.speech-spinner{animation:speech-spin 1s linear infinite}@keyframes speech-spin{to{transform:rotate(360deg)}}@media(max-width:700px){.pronunciation-controls{margin:0 0 22px;padding:12px}.pronunciation-options{gap:8px}.pronunciation-options>span{width:100%}.pronunciation-options select{flex:1;min-width:0;font-size:11px;padding:0 5px}}.translation-home{padding-bottom:24px}.translation-header{align-items:center;margin-bottom:30px}.translation-header h1{font-size:38px;letter-spacing:-1px}.translation-header p{font-size:16px;line-height:1.8}.translation-workspace{background:#fff;border:1px solid #dde4dd;border-radius:12px;overflow:hidden}.translation-toolbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line);gap:14px}.language-direction{display:flex;align-items:center;gap:18px;color:#365644;font-size:16px}.translation-toolbar-actions{display:flex;gap:18px;align-items:center}.translation-toolbar .primary{padding:10px 20px;min-height:40px;font-size:15px}.translation-panes{display:grid;grid-template-columns:1fr 1fr}.translation-pane{padding:24px;min-width:0;display:flex;flex-direction:column;min-height:310px}.translation-pane.target{border-left:1px solid var(--line);background:#fafbf8}.pane-label{font-size:13px;color:#6e7d73;display:flex;justify-content:space-between;gap:10px;margin-bottom:20px}.pane-label span{font-size:12px;color:#85917f}.translation-input{border:0;resize:vertical;outline-offset:2px;min-height:180px;padding:0;font:19px/1.9 Georgia,PingFang SC,sans-serif}.translation-input::placeholder{color:#a3ada6;font-size:17px}.pane-foot{color:#929d94;font-size:11px;line-height:1.7;margin-top:auto;padding-top:20px}.english-reading,.plain-reading{font-size:21px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere;font-family:Georgia,Songti SC,serif;min-height:170px}.selectable-word{display:inline;padding:1px 2px;margin:0 -2px;border-radius:3px;border:0;background:transparent;font:inherit;line-height:inherit;color:inherit;-webkit-user-select:text;user-select:text;text-align:inherit}.selectable-word:hover,.selectable-word.chosen{background:#e2efdd;color:#244a3c}.selectable-word.collected{text-decoration:underline;text-decoration-color:#b2c8a9;text-underline-offset:5px}.translation-empty{text-align:center;margin:auto;color:#a3afa2}.translation-empty svg{margin-bottom:12px;color:#bac8b7}.translation-empty p{font-size:17px}.translation-empty span{display:block;font-size:12px;margin-top:8px}.translation-help{display:flex;justify-content:space-between;gap:20px;margin-top:22px;padding:0 8px;color:#7c897e;font-size:13px}.selection-card{background:#fff;border:1px solid #d7e3d1;border-radius:12px;margin-top:20px;padding:22px 24px}.selection-top{display:flex;align-items:center;justify-content:space-between}.selected-title{display:flex;align-items:center;gap:12px}.selected-title strong{font:700 29px Georgia,serif;overflow-wrap:anywhere}.selected-title .status{display:flex;align-items:center;gap:4px;font-size:12px}.selected-example{font:italic 16px/1.7 Georgia,serif;color:#7c8a7d;margin:10px 0 20px;overflow-wrap:anywhere}.selection-fields{display:grid;grid-template-columns:minmax(0,1fr) 150px auto;align-items:end;gap:16px}.selection-fields label{margin:0;font-size:13px}.selection-fields input{font-family:inherit;height:43px;font-size:15px}.selection-fields .primary,.selection-fields .secondary{height:43px;min-height:43px;font-size:14px;padding:10px 16px}.lookup-state{font-size:11px;color:#7f9477}.translation-error{color:#a0513d;background:#fbefea;padding:12px 20px;font-size:13px;line-height:1.7}.selection-card .translation-error{border-radius:6px;margin-top:14px}.saved-notice{color:#406344;display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px}@media(max-width:1050px){.translation-header h1{font-size:29px}.translation-header p{font-size:14px}.translation-help{font-size:11px}.selection-fields{grid-template-columns:minmax(0,1fr) 110px}.selection-fields button{grid-column:1/-1;justify-self:end}}@media(max-width:700px){.translation-header{display:block;margin-bottom:22px}.translation-header h1{font-size:28px}.translation-header p{font-size:13px}.translation-header>.secondary{margin-top:15px;font-size:12px;padding:9px 13px;min-height:36px}.translation-toolbar{padding:12px 16px}.language-direction{gap:10px;font-size:14px}.translation-toolbar .primary{font-size:12px;padding:8px 12px;min-height:36px}.translation-toolbar-actions{gap:8px}.translation-toolbar-actions .text-button{font-size:12px}.translation-panes{grid-template-columns:1fr}.translation-pane{min-height:220px;padding:18px}.translation-pane.target{border-left:0;border-top:1px solid var(--line)}.translation-input{min-height:130px;font-size:18px}.english-reading,.plain-reading{font-size:19px;min-height:110px}.pane-label{margin-bottom:14px}.pane-label span{font-size:10px}.translation-help{flex-direction:column;gap:10px;font-size:12px}.selection-card{padding:18px}.selection-fields{grid-template-columns:minmax(0,1fr) 90px;gap:12px}.selected-title strong{font-size:26px}nav button{font-size:11px;gap:5px}}.pane-heading{display:flex;align-items:center;gap:12px;flex-shrink:0}.pane-heading>span{font-size:13px;color:#6e7d73}.text-read-button{display:inline-flex;align-items:center;gap:5px;border:1px solid #dbe4d7;background:#fff;color:#456652;border-radius:5px;padding:5px 8px;font-family:inherit;font-size:11px;line-height:1.4;white-space:nowrap}.text-read-button:hover,.text-read-button[aria-pressed=true]{background:#e4eedf}.pane-label{align-items:center;flex-wrap:wrap}.pane-label>span{margin-left:auto}@media(max-width:700px){.pane-heading{gap:8px}.pane-label>span{margin-left:0;width:100%;font-size:11px}.text-read-button{padding:5px 7px}}.selection-context-label{font-size:11px;color:#8b998c;margin-top:16px}.selected-example{margin-top:5px}.word-details{border-top:1px solid #e4e9e0;border-bottom:1px solid #e4e9e0;padding:18px 0;margin-bottom:20px}.detail-source{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:15px;font-size:12px;color:#748470}.detail-source>span:first-child{display:flex;align-items:center;gap:6px}.detail-source a{color:#748470;margin-left:auto;font-size:11px;text-decoration:underline;text-underline-offset:3px}.detail-phonetic{font:16px Georgia,serif;color:#566a59}.detail-columns{display:grid;grid-template-columns:1fr 1.1fr;gap:32px}.detail-columns h3{font-size:14px;color:#36553c;font-weight:600;margin:0 0 12px}.word-senses,.word-examples{margin:0 0 18px;padding:0;list-style:none}.word-senses li{margin-bottom:13px;font:14px/1.7 Georgia,PingFang SC,sans-serif;color:#738074}.word-senses p{margin-top:4px}.part-of-speech{font-size:11px;font-family:inherit;background:#edf2e9;color:#5b7554;padding:2px 7px;border-radius:4px}.word-senses .sense-chinese{font:15px/1.6 PingFang SC,sans-serif;color:#344e39}.synonym-list{display:flex;gap:7px;flex-wrap:wrap}.synonym-list span{padding:4px 9px;background:#eef2e9;border-radius:5px;font:13px Georgia,serif;color:#53714d}.word-example{padding:0 0 14px;margin-bottom:13px;border-bottom:1px solid #edf0e9}.word-example:last-child{border:0;margin-bottom:0}.word-example>div{display:flex;gap:10px;align-items:start}.word-example>div>p{flex:1;font:16px/1.7 Georgia,serif;color:#36543a;overflow-wrap:anywhere}.example-translation{font-size:13px;line-height:1.7;color:#84917f;margin-top:6px}.example-translate{font-size:11px;color:#6c8764;background:transparent;padding:5px 0;margin-top:4px}.details-loading{display:flex;gap:8px;align-items:center;padding:15px 0;margin-bottom:15px;font-size:13px;color:#7a8a70}.detail-note{font-size:12px;line-height:1.7;color:#8b947c;margin:8px 0 14px}.detail-error{font-size:12px;line-height:1.7;color:#9c6350;margin:8px 0 14px}@media(max-width:700px){.detail-columns{grid-template-columns:1fr;gap:15px}.detail-source{gap:8px}.detail-source a{margin-left:0;width:100%}.word-example>div{flex-wrap:wrap}.word-example>div>p{flex-basis:100%}}