:root{--bg:#f7f8fa;--card:#fff;--ink:#242b3b;--muted:#8a91a1;--line:#edf0f5;--purple:#7364dc;--soft:#f1effc;--green:#4eaa91;--red:#d45a6e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.65 'Segoe UI','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;background:var(--card);border:1px solid var(--line);padding:8px 14px;border-radius:8px}button:hover{border-color:var(--purple);color:var(--purple)}button:disabled{opacity:.45;cursor:default}a{color:inherit;text-decoration:none}header{height:82px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(calc((100vw - 1200px)/2),32px);gap:70px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:700;white-space:nowrap}.logo{display:grid;place-items:center;width:37px;height:37px;border-radius:11px;background:var(--purple);color:white;font-size:23px}.brand-en{font-size:10px;letter-spacing:2px;font-weight:500;color:var(--muted);margin-left:4px}nav{height:100%;display:flex;gap:32px}.nav{border:0;border-radius:0;background:none;padding:0 3px;color:var(--muted);position:relative}.nav.active{color:var(--purple);font-weight:600}.nav.active:after{content:'';position:absolute;bottom:0;left:15%;width:70%;height:3px;background:var(--purple);border-radius:3px}.icon{margin-left:auto;font-size:23px;padding:0;width:35px;height:35px;border:0}main{max-width:1200px;margin:auto;padding:45px 0 0}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}.eyebrow{font-size:10px;letter-spacing:2.4px;font-weight:600;color:var(--purple)}h1{font-size:31px;letter-spacing:1px;margin:9px 0}h1 em{font-style:normal;font-weight:500}p{color:var(--muted);margin:6px 0}.daily{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.daily strong{color:var(--purple);font-size:19px}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:5px}.divider{margin:0 10px;color:#d8dbe5}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.tabs{display:flex;gap:5px;background:#edeff4;padding:5px;border-radius:11px}.tabs button{background:none;border:0;color:#747c8d;padding:8px 20px}.tabs .selected{background:var(--card);color:var(--purple);box-shadow:0 2px 5px #25213c08}.tabs span{margin-left:10px}.timing{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted)}select{background:var(--card);border:1px solid var(--line);border-radius:7px;padding:9px 12px;cursor:pointer}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:24px}.practice-card,.side-card,.keyboard-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 18px #22224402}.article-head{padding:25px 28px;display:flex;align-items:center;justify-content:space-between}.article-head>div{display:flex;align-items:center;gap:12px;flex-wrap:wrap}h2{font-size:17px;font-weight:600;margin:0}.badge{font-size:10px;color:var(--purple);background:var(--soft);padding:3px 8px;border-radius:4px}.muted{color:var(--muted);font-size:11px}.text-button{border:0;color:var(--muted);background:none;padding:4px;font-size:12px;white-space:nowrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);padding:4px 28px 20px;gap:20px}.stats>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 6px}.stats span{width:100%;font-size:11px;color:var(--muted);margin-bottom:4px}.stats strong{font-family:'Segoe UI',monospace;font-size:31px;line-height:1.4;font-weight:500;letter-spacing:-.5px}.stats>div:first-child strong{color:var(--purple)}.stats small{font-size:10px;color:var(--muted);font-weight:400;letter-spacing:0}.progress-track{height:3px;background:var(--line)}#progressBar{height:100%;background:var(--purple);transition:width .2s}.text-wrap{padding:26px 28px 10px;height:205px;overflow:auto}#textDisplay{font:23px/2.1 'Microsoft YaHei',sans-serif;letter-spacing:2px;white-space:pre-wrap;overflow-wrap:anywhere;color:#9bA2b0}.char.correct{color:var(--green)}.char.incorrect{color:var(--red);background:#e65c7615;border-radius:3px}.char.current{border-left:2px solid var(--purple);margin-left:-2px;background:var(--soft)}.input-wrap{margin:10px 28px 22px;padding:13px 15px;border:1px solid #dfdbf6;border-radius:9px;background:var(--bg)}.input-wrap:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px #7364dc0b}.input-wrap label{display:block;color:var(--muted);font-size:11px;margin-bottom:6px}textarea{resize:vertical;width:100%;background:transparent;border:0;outline:none;font-size:16px}#textInput{height:65px;min-height:50px;color:var(--ink)}textarea::placeholder{color:#b2b6c2}.practice-footer{border-top:1px solid var(--line);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}.practice-footer button{font-size:11px;padding:5px 9px;margin-left:5px}.side-card{padding:22px}.side-title{font-weight:600;display:flex;justify-content:space-between;margin-bottom:20px}.side-title span{color:var(--muted)}.field{display:block;font-size:12px;margin:15px 0}.field select,.field input{display:block;width:100%;margin-top:8px}.field input{padding:10px;border:1px solid var(--line);border-radius:7px;background:var(--bg)}.field .muted{float:right}.setting{display:flex;align-items:center;justify-content:space-between;margin-top:17px;font-size:12px}input[type=checkbox]{accent-color:var(--purple);width:16px;height:16px}.goal-note{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:11px;line-height:1.9}.import-card{width:100%;margin-top:18px;padding:19px;text-align:left;border:1px dashed #d8d2f0;background:linear-gradient(130deg,var(--soft),var(--card));display:flex;flex-direction:column;gap:6px}.import-icon{color:var(--purple);font-size:22px}.import-card strong{font-size:13px;font-weight:500}.import-card>span:not(.import-icon){color:var(--muted);font-size:10px}.import-card b{font-size:11px;font-weight:500;color:var(--purple);margin-top:10px}.keyboard-card{margin-top:24px;padding:20px 28px}.keyboard-header{display:flex;justify-content:space-between;font-size:12px}.keyboard-header small{color:var(--muted);margin-left:12px;font-size:10px}#fingerHint{font-size:10px;color:var(--muted)}#keyboard{max-width:730px;margin:20px auto 12px}.keyrow{display:flex;justify-content:center;gap:6px;margin:6px 0}.key{height:35px;min-width:43px;flex:1;max-width:54px;border:1px solid #e5e7ed;border-bottom:3px solid #e0e3ea;border-radius:6px;text-align:center;line-height:32px;font:12px/32px 'Segoe UI',sans-serif;color:#8c93a4;background:var(--bg)}.key.home{border-bottom-color:#b8b0e8;color:var(--purple)}.key.next,.key.pressed{background:var(--soft);border-color:var(--purple);color:var(--purple)}.key.space{max-width:330px}.keyboard-note{text-align:center;color:var(--muted);font-size:10px}.bottom-tip{text-align:center;color:var(--muted);font-size:11px;margin:23px 0 40px}.bottom-tip span{color:var(--purple);margin-right:12px}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:10px;gap:20px}footer a{margin-left:20px}.section-head{display:flex;justify-content:space-between;margin:12px 0 25px;align-items:center}.section-head h2{font-size:23px}.section-head p{font-size:12px;margin-top:10px}.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;min-height:320px}.library-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;align-self:start}.library-item p{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.library-item>div{display:flex;justify-content:space-between;margin-top:20px}.empty{padding:70px 25px;text-align:center;background:var(--card);border-radius:12px;grid-column:1/-1;color:var(--muted)}table{width:100%;border-collapse:collapse;background:var(--card);font-size:12px;margin-bottom:50px}td,th{text-align:left;padding:16px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:400}dialog{border:1px solid var(--line);border-radius:18px;padding:30px;width:600px;max-width:94vw;max-height:90vh;overflow:auto;background:var(--card);color:var(--ink);box-shadow:0 30px 100px #16132c33}dialog::backdrop{background:#25243955;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.dialog-head h2{font-size:23px;margin-top:7px}.dialog-head .close{font-size:24px;border:0}.upload{border:1px dashed #cbc5e8;border-radius:10px;background:var(--soft);padding:22px;display:block;text-align:center;color:var(--purple);font-size:13px;cursor:pointer}.upload span{display:block;font-size:10px;color:var(--muted);margin-top:6px}#customText{height:170px;border:1px solid var(--line);border-radius:8px;padding:12px;margin-top:8px;background:var(--bg);font-size:13px}.import-options{font-size:10px;color:var(--muted);display:flex;align-items:center;justify-content:space-between}.import-options label{display:flex;align-items:center;gap:5px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:22px}.primary{background:var(--purple);color:white;border-color:var(--purple)}.primary:hover{color:white;background:#6655ce}.form-error{color:var(--red);font-size:12px}#resultStats{padding:20px 0}#errors{padding:16px;background:var(--soft);border-radius:10px;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--card);padding:12px 22px;border-radius:9px;font-size:12px;display:none;z-index:100}body.dark{--bg:#191c26;--card:#222635;--ink:#e5e6ef;--muted:#959cb2;--line:#303548;--soft:#302b49}body.dark .tabs{background:#222635}body.dark .key{border-color:#3b4054}[hidden]{display:none!important}@media(max-width:1250px){main{padding:35px 28px 0}}@media(max-width:850px){.workspace{grid-template-columns:1fr}aside{display:grid;grid-template-columns:1fr 1fr;gap:15px}.import-card{margin:0}.daily{display:none}header{gap:25px;padding:0 24px}.brand-en{display:none}.key{min-width:20px}.toolbar{align-items:flex-start;gap:15px}.tabs button{padding:7px 10px}.keyboard-header small{display:none}}@media(max-width:560px){main{padding:25px 15px 0}header{height:65px;padding:0 16px;gap:20px}.brand{font-size:19px}nav{gap:15px}.nav{font-size:12px}.logo{height:30px;width:30px;font-size:18px}.icon{display:none}h1{font-size:25px}.toolbar{flex-direction:column}.tabs{width:100%}.tabs button{flex:1;font-size:11px;padding:8px 6px}.timing{align-self:flex-end}.article-head{padding:20px}.stats{padding:0 20px 18px;gap:10px}.stats strong{font-size:25px}.stats small{font-size:9px}.text-wrap{padding:20px;height:190px}#textDisplay{font-size:21px}.input-wrap{margin:10px 20px 20px}.practice-footer{padding:14px 15px}.practice-footer button{padding:5px}.keyboard-card{padding:18px 12px}.keyrow{gap:3px}.key{font-size:10px;height:30px;line-height:27px}.keyboard-header{font-size:11px}#fingerHint{display:none}aside{grid-template-columns:1fr}.side-card{display:none}.import-card{padding:15px}.import-icon{display:none}.bottom-tip{font-size:10px}.library-grid{grid-template-columns:1fr}footer{flex-direction:column;gap:8px}.import-options{flex-wrap:wrap}table td,table th{padding:12px 7px;font-size:10px}}