@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Baskerville:wght@400;700&display=swap');
:root{--green:#205f4b;--mint:#eaf0e8;--ink:#25352d;--muted:#7e867e;--line:#e6e8df;--cream:#f8f9f4;--orange:#dca66a}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:14px 'DM Sans',Arial,'Microsoft YaHei',sans-serif}button,input,textarea,select{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #d69a53;outline-offset:3px}.sidebar{width:244px;background:#fff;height:100vh;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);padding:34px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-size:21px;font-weight:700;letter-spacing:-.8px}.logo{display:grid;place-items:center;background:var(--green);color:#fff;border-radius:13px;width:39px;height:43px;font-size:36px;transform:rotate(-6deg)}.brand-light{font-weight:400}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:4px;font-weight:400}.workspace-label{font-size:9px;letter-spacing:1.8px;color:#a1a69e;margin:55px 13px 18px}nav{display:grid;gap:10px}nav button{display:flex;align-items:center;gap:12px;border:0;background:transparent;padding:15px 13px;border-radius:8px;text-align:left;font-size:17px}nav button span{font-size:13px;font-weight:600}nav button small{font-size:10px;color:#9ca39a;margin-left:auto}nav button.active{background:var(--mint);color:var(--green)}nav button.active small{color:#668a73}.sidebar-note{margin-top:auto;border:1px solid var(--line);background:#f9faf5;padding:19px 15px;border-radius:9px;position:relative;overflow:hidden}.sidebar-note>span{color:#c79956;display:block;font-size:23px;margin-bottom:9px}.sidebar-note b{font:italic 15px Georgia,serif}.sidebar-note p{font-size:11px;line-height:1.9;color:var(--muted)}.tiny-leaf{position:absolute;right:1px;bottom:-24px;font-size:90px;color:#e1e9db;transform:rotate(-30deg)}.parent-link{background:none;border:0;text-align:left;font-size:11px;padding:24px 9px;color:#768072}.profile{border-top:1px solid var(--line);padding-top:21px;display:flex;align-items:center;gap:10px;font-size:11px}.avatar{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;background:#f0e4cf;color:#8e7352;font-family:Georgia;font-size:18px}.profile small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.online{height:7px;width:7px;background:#7ea57a;border-radius:50%;margin-left:auto}main{margin-left:244px;padding:0 42px}header{height:81px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:11px;color:#8b9289}#breadcrumb span{padding:0 12px;color:#c3c9be}.header-right{display:flex;align-items:center;gap:20px}.edition{font-size:8px;letter-spacing:1.5px;border:1px solid var(--line);border-radius:4px;padding:5px 7px}.icon-button{border:0;background:transparent;font-size:18px}#app{max-width:1320px;margin:0 auto;min-height:calc(100vh - 153px)}.greeting{display:flex;justify-content:space-between;align-items:end;padding:34px 0 25px}.eyebrow{font-size:10px;letter-spacing:2px;color:#87937f;margin-bottom:9px}.greeting h1,.page-title{font-size:28px;letter-spacing:-1px;margin:0 0 10px;font-weight:600}.greeting h1 em{font-style:normal;color:#77916a}.greeting p,.subtext{font-size:12px;color:var(--muted);margin:0;line-height:1.8}.streak{background:#fff;border:1px solid var(--line);border-radius:30px;padding:10px 16px;font-size:11px;white-space:nowrap}.streak span{color:#c98645;margin-right:7px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(240px,1fr);gap:23px}.hero{position:relative;min-height:269px;background:#e9efdf;border-radius:13px;padding:29px 31px;overflow:hidden}.hero-copy{position:relative;z-index:2;width:64%}.pill{display:inline-flex;align-items:center;gap:6px;background:#fff8;padding:6px 10px;border-radius:4px;font-size:9px;letter-spacing:1px;color:#5d7956}.hero h2{font-size:27px;font-weight:500;line-height:1.55;letter-spacing:-1px;margin:17px 0 10px}.hero h2 span{font-family:'Libre Baskerville',Georgia,serif;font-size:23px;color:#456a3c}.hero p{font-size:11px;line-height:1.9;color:#78866e;margin:0 0 21px}.primary{background:var(--green);color:#fff;border:0;padding:12px 19px;border-radius:6px;font-size:12px;display:inline-flex;gap:22px;align-items:center}.primary:hover{background:#174e3c}.secondary{background:white;border:1px solid var(--line);border-radius:6px;padding:10px 14px;font-size:11px}.hero-art{position:absolute;right:0;bottom:0;width:37%;height:100%;opacity:.95}.hero-art svg{width:100%;height:100%}.daily-card,.card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:23px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:26px 0 16px}.section-heading h2,.card h2{font-size:15px;margin:0;font-weight:600}.section-heading h2 small{margin-left:9px;font-weight:400;font-size:10px;color:#91998c}.text-button{background:none;border:0;color:#75856e;font-size:11px;padding:4px}.daily-head{display:flex;justify-content:space-between;font-size:13px}.daily-head small{color:#999f95;font-size:10px}.ring-row{display:flex;gap:16px;align-items:center;margin:23px 0}.ring{--pct:0%;height:82px;width:82px;flex-shrink:0;border-radius:50%;background:conic-gradient(#719a67 var(--pct),#eff2e9 0);display:grid;place-items:center}.ring>div{background:#fff;border-radius:50%;width:65px;height:65px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:21px}.ring small{font-size:9px;color:#8c9684}.ring-copy b{font-size:13px;font-weight:500}.ring-copy p{font-size:10px;color:#9a9f95;line-height:1.8;margin:6px 0}.task{display:flex;gap:9px;align-items:center;border-top:1px solid #f1f2ec;padding-top:12px;margin-top:10px;font-size:11px}.task span{border:1px solid #dce4d5;border-radius:50%;width:16px;height:16px;text-align:center;color:#628858;font-size:10px}.task small{margin-left:auto;color:#a0a69a;font-size:9px}.books{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.book{background:#fff;border:1px solid var(--line);border-radius:9px;padding:11px;cursor:pointer;text-align:left;transition:transform .2s,box-shadow .2s}.book:hover{transform:translateY(-4px);box-shadow:0 8px 25px #243d2510}.cover{height:145px;position:relative;border-radius:6px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:15px}.cover .cover-label{font-size:8px;letter-spacing:2px;position:relative;z-index:2}.cover-title{font-family:'Libre Baskerville',Georgia,serif;line-height:1.4;font-size:19px;position:relative;z-index:2;max-width:85%}.cover svg{position:absolute;right:-6px;bottom:-2px;width:95px;height:110px}.book h3{font-size:12px;margin:13px 0 6px;font-weight:600}.book p{font-size:10px;color:#929b8b;margin:0}.book-meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:9px;color:#7e8c74}.tag{display:inline-block;background:#f1f4ea;border-radius:3px;padding:4px 6px;font-size:9px;color:#6d865e}.skill-card{margin-top:23px;padding:23px}.skill-row{margin-top:20px}.skill-label{display:flex;justify-content:space-between;font-size:11px;margin-bottom:8px}.skill-label small{color:#a1a79b;font-size:9px}.bar{height:5px;background:#edf1e8;border-radius:6px;overflow:hidden}.bar i{display:block;height:100%;background:#8eaa7a;border-radius:6px}.skill-note{font-size:10px;color:#8d9786;line-height:1.8;border-top:1px solid var(--line);padding-top:14px;margin:19px 0 0}.resource-banner{display:flex;gap:15px;align-items:center;border:1px solid var(--line);border-radius:9px;padding:19px 21px;margin:23px 0;background:#f2f4ec}.resource-banner .resource-icon{font-size:25px;color:#7d9271}.resource-banner b{font-size:12px;font-weight:500}.resource-banner p{font-size:10px;color:#909986;margin:6px 0 0}.resource-banner button{margin-left:auto;white-space:nowrap}footer{max-width:1320px;margin:28px auto 0;border-top:1px solid var(--line);display:flex;gap:15px;align-items:center;height:59px;font-size:8px;letter-spacing:1px;color:#a0a897}footer span{font-size:9px;letter-spacing:0}footer button{margin-left:auto;border:0;background:none;color:#919b87;font-size:9px}.page-top{padding:33px 0 23px}.filters{display:flex;gap:9px;margin:0 0 22px;flex-wrap:wrap}.filter{border:1px solid var(--line);background:white;border-radius:20px;padding:8px 15px;font-size:11px}.filter.active{background:var(--green);color:#fff;border-color:var(--green)}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.library-grid .cover{height:190px}.notice{background:#eef2e7;border-left:3px solid #8eaa7a;padding:13px 17px;font-size:11px;line-height:1.9;color:#6f7d65;margin-bottom:22px}.reader-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:22px}.reader-paper{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px}.reader-title{font:26px/1.4 'Libre Baskerville',Georgia,serif;margin:16px 0 9px}.reader-toolbar{display:flex;align-items:center;gap:9px;border-block:1px solid var(--line);padding:13px 0;margin:22px 0}.reader-toolbar select{border:1px solid var(--line);background:#fff;padding:6px;border-radius:5px;font-size:11px}.reader-toolbar button{border:1px solid var(--line);border-radius:5px;background:#fff;padding:6px 9px;font-size:11px}.reader-toolbar button:last-child{margin-left:auto}.passage{font:var(--reading-size,18px)/2 'Libre Baskerville',Georgia,serif;color:#39443b}.passage p{margin:0 0 22px}.passage .sentence.speaking{background:#edf1d9;border-radius:4px}.word{border:0;padding:0;background:transparent;font:inherit;color:inherit;border-radius:3px}.word:hover{background:#edf1d9;color:var(--green)}.source-note{font-size:10px;line-height:1.9;color:#9ba18f;border-top:1px solid var(--line);padding-top:16px}.coach{align-self:start;position:sticky;top:20px}.coach-head{display:flex;align-items:center;gap:11px;padding-bottom:16px;border-bottom:1px solid var(--line)}.coach-icon{background:#eaf0e3;color:#6f8a5e;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:23px}.coach-head b{font-size:13px}.coach-head small{display:block;color:#9ba18f;font-size:9px;margin-top:4px}.question-count{font-size:9px;color:#929b86;margin:22px 0 9px;letter-spacing:1px}.question{font-size:16px;line-height:1.8;font-weight:500}.question-cn{font-size:11px;color:#929c88;line-height:1.8;margin:8px 0 17px}.answer{width:100%;min-height:125px;resize:vertical;border:1px solid #dfe5d8;border-radius:7px;background:#fcfdf9;padding:13px;line-height:1.8;font-size:13px}.coach-actions{display:flex;gap:10px;justify-content:space-between;margin-top:13px}.feedback{background:#f1f5e9;border:1px solid #dfe8d4;border-radius:7px;padding:15px;margin-top:18px;font-size:12px;line-height:1.9}.feedback b{display:block;margin-bottom:5px}.coach-note{font-size:10px;color:#a0a791;line-height:1.9;margin-top:19px}.vocab-grid,.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.vocab-card h3{font:22px Georgia,serif;margin:0 0 12px}.vocab-card p{line-height:1.9;color:#7f8c74;font-size:12px}.empty{text-align:center;padding:65px 20px;background:white;border:1px dashed #d8dfce;border-radius:10px}.empty span{font-size:46px;color:#8da67a}.empty h2{font-size:20px;font-weight:500}.empty p{color:#8f9985;font-size:12px;line-height:1.9}.resource-card .resource-type{font-size:9px;letter-spacing:1px;color:#879b76}.resource-card h3{font-size:19px;font-weight:500;margin:13px 0}.resource-card p{font-size:12px;line-height:1.9;color:#86917e}.resource-card a{display:inline-block;font-size:11px;color:var(--green);margin-top:12px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:23px}.stat b{font-size:31px;font-weight:500;display:block;margin:12px 0}.stat small{color:#98a08f}.history-row{display:flex;gap:15px;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);font-size:12px}.history-row small{font-size:10px;color:#98a18d}.progress-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}dialog{border:1px solid var(--line);border-radius:14px;padding:30px;width:min(470px,calc(100% - 32px));color:var(--ink);box-shadow:0 20px 80px #14322225}dialog::backdrop{background:#1e332866;backdrop-filter:blur(3px)}.modal-close{float:right;background:none;border:0;font-size:24px;color:#8f9a86}dialog h2{font-size:23px;margin-top:12px}dialog p{font-size:13px;line-height:1.9;color:#7b8b70}dialog label{font-size:12px;display:block;margin:18px 0}dialog input{width:100%;accent-color:var(--green);margin-top:10px}.word-large{font:32px Georgia,serif;margin-top:15px}.word-context{padding:12px;background:#f3f5ec;border-radius:6px;font-size:12px;line-height:1.9;color:#748369}.modal-actions{display:flex;gap:10px;margin-top:20px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(90px);padding:13px 24px;background:var(--green);color:white;border-radius:8px;font-size:12px;transition:transform .2s;z-index:20}#toast.show{transform:translateX(-50%) translateY(0)}.mobile-only{display:none}
@media(min-width:1500px){main{padding-inline:65px}.hero{min-height:300px}.cover{height:170px}.greeting{padding-top:45px}}@media(max-width:1150px){.sidebar{width:210px;padding-inline:16px}main{margin-left:210px;padding-inline:25px}.brand{font-size:18px}.dashboard-grid{grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr);gap:17px}.hero{padding:23px}.hero h2{font-size:23px}.hero h2 span{font-size:20px}.hero-copy{width:72%}.books{gap:9px}.cover{padding:12px}.cover-title{font-size:16px}.reader-layout{grid-template-columns:1.2fr 1fr}.reader-paper{padding:23px}.card{padding:19px}}@media(max-width:900px){.sidebar{width:76px;padding:25px 12px}.brand>span:last-child,.workspace-label,nav button span,nav button small,.sidebar-note,.parent-link,.profile{display:none}.brand{justify-content:center}nav{margin-top:40px}nav button{justify-content:center;padding:15px 5px}main{margin-left:76px;padding-inline:24px}.dashboard-grid{grid-template-columns:1fr}.right-column{display:grid;grid-template-columns:1fr 1fr;gap:18px}.skill-card{margin:0}.daily-card{padding:23px}.hero-art{width:33%}.hero-copy{width:70%}.hero{min-height:270px}.books{gap:15px}.cover{height:165px}.reader-layout{grid-template-columns:1fr}.coach{position:static}.library-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:580px){.sidebar{height:64px;width:100%;top:auto;bottom:0;z-index:10;flex-direction:row;border-right:0;border-top:1px solid var(--line);padding:0 10px}.brand{display:none}nav{display:flex;width:100%;margin:0;gap:0;justify-content:space-around}nav button{display:flex;flex-direction:column;gap:3px;min-width:65px;padding:7px;border-radius:0;font-size:19px}nav button span{display:block;font-size:9px;font-weight:400}main{margin:0;padding:0 18px 65px}header{height:61px;font-size:10px}.header-right{gap:12px}.date{display:none}.edition{font-size:7px}.greeting{padding:26px 0 21px;align-items:start}.greeting h1{font-size:24px}.greeting p{font-size:10px;max-width:220px}.streak{font-size:9px;padding:8px 10px}.hero{padding:23px;min-height:270px}.hero h2{font-size:22px}.hero h2 span{font-size:18px}.hero-copy{width:80%}.hero-art{width:35%;opacity:.65}.hero p{max-width:220px}.books{gap:10px;grid-template-columns:1fr 1fr}.books .book:last-child{display:none}.cover{height:150px}.section-heading h2 small{display:none}.right-column{grid-template-columns:1fr}.skill-card{margin:0}.resource-banner{padding:16px 12px;gap:10px}.resource-banner p{font-size:9px}.resource-banner .resource-icon{display:none}.resource-banner button{padding:8px;font-size:10px}.resource-banner b{font-size:11px}.library-grid{gap:12px}.library-grid .cover{height:160px}.cover-title{font-size:17px}.vocab-grid,.resource-grid,.progress-columns{grid-template-columns:1fr}.stats-grid{gap:10px}.stat{padding:15px}.stat b{font-size:24px}.stat small{font-size:9px}.page-title{font-size:25px}.reader-paper{padding:20px}.reader-title{font-size:23px}.reader-toolbar{gap:6px}.reader-toolbar button{padding:6px}.passage{font-size:var(--reading-size,17px)}footer{gap:7px;font-size:7px}footer span{font-size:8px}.question{font-size:15px}}