:root{color-scheme:light;--bg:oklch(97.5% .003 185);--surface:#fff;--ink:oklch(24% .026 185);--muted:oklch(47% .024 185);--line:oklch(89% .012 185);--brand:oklch(39% .064 185);--brand-hover:oklch(33% .06 185);--soft:oklch(94% .023 185);--amber:oklch(79% .12 82);--danger:oklch(48% .15 27);--danger-soft:oklch(96% .019 27);--success:oklch(40% .08 160);--rail:oklch(26% .044 185);--radius:14px;--font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;--read:Georgia,"Times New Roman",serif;--sidebar:216px}
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20px;background:var(--ink);color:#fff;font-size:13px;border-radius:8px;opacity:0;pointer-events:none;transition:transform .18s,opacity .18s;z-index:80;max-width:calc(100% - 36px);box-shadow:0 4px 8px #0002}#toast.visible{opacity:1;transform:translate(-50%,0)}dialog{border:0;border-radius:14px;padding:30px;max-width:min(520px,calc(100vw - 32px));color:var(--ink);background:var(--surface);box-shadow:0 12px 35px #0002}dialog::backdrop{background:oklch(20% .025 185/.45)}dialog h2{font-size:21px}dialog p{font-size:14px;color:var(--muted)}dialog .dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.large-reading .question-text{font-size:27px}.large-reading .question-text.zh{font-size:21px}.large-reading .material-body{font-size:22px}.large-reading .rule p{font-size:17px}.large-reading .option .answer-text{font-size:22px}.large-reading textarea.english{font-size:23px}.soft-enter{animation:soft-enter .18s ease-out}@keyframes soft-enter{from{opacity:.5;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1450px){.main-content{padding-top:48px}.today-grid{grid-template-columns:minmax(0,1fr) 280px}.task-row{padding-top:25px;padding-bottom:25px}}
@media(max-width:1150px){:root{--sidebar:185px}.sidebar{padding:27px 12px}.main-content{padding:28px 27px 60px}.topbar{padding:0 27px}.today-grid{grid-template-columns:minmax(0,1fr) 230px;gap:18px}.question-panel{padding:27px}.task-row{padding:19px}.block-head{padding:20px 19px 16px}.checkin-foot{padding:18px 19px}.focus-panel{padding:21px 18px}.day-pill .week{font-size:10px}}
@media(max-width:900px){.today-grid{grid-template-columns:1fr}.today-aside{display:grid;grid-template-columns:1fr 1fr;gap:22px}.side-note{padding:15px 5px}.focus-panel h2{margin-bottom:8px}.focus-time{margin-top:7px}.focus-panel .small-selects{float:right}.practice-grid{gap:12px}.practice-tile{padding:20px}.day-pill{padding:10px 2px}.days-strip{gap:5px}.save-note{display:none}.main-content{padding-left:24px;padding-right:24px}}
@media(max-width:700px){:root{--sidebar:0px}.sidebar{display:none}.main-wrap{margin-left:0;width:100%}.topbar{height:64px;padding:0 19px}.topbar .location{font-size:12px}.top-actions{gap:5px}.topbar .icon-button{width:38px;height:38px}.main-content{padding:25px 19px 105px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;padding:8px 13px calc(8px + env(safe-area-inset-bottom));height:calc(68px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface);z-index:40;justify-content:space-around}.bottom-nav button{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;min-width:60px;font-size:10px;color:var(--muted);padding:2px 8px}.bottom-nav button svg{width:20px;height:20px}.bottom-nav button.active{color:var(--brand);font-weight:600}.today-head h1{font-size:26px}.today-head .tag{font-size:10px;padding:4px 7px;white-space:nowrap;align-self:flex-start}.lead{font-size:13px}.date-kicker{font-size:12px;margin-bottom:12px}.days-strip{overflow:auto;grid-template-columns:repeat(9,minmax(49px,1fr));margin:22px -1px 26px;padding:1px 0 7px;gap:6px}.day-pill{padding:10px 3px}.day-pill strong{font-size:18px}.day-pill .week{font-size:10px}.day-pill .dot{margin-top:6px}.day-pill.done .dot{margin-top:1px}.today-grid{gap:20px}.task-row{gap:13px;padding:19px 18px}.task-body h3{font-size:15px}.task-body p{font-size:12px}.task-body .task-meta{gap:10px}.task-check{width:26px;height:26px;font-size:11px}.block-head{padding:20px 18px 15px}.block-head h2{font-size:17px}.checkin-foot{padding:17px 18px 20px}.today-aside{grid-template-columns:1fr}.focus-panel{padding:20px;display:grid;grid-template-columns:1fr 1fr;column-gap:18px}.focus-panel h2{grid-column:1;grid-row:1;margin-bottom:5px}.focus-panel .small-selects{grid-column:2;grid-row:1;justify-content:flex-end;float:none}.focus-time{grid-column:1;grid-row:2;font-size:35px;margin:0}.focus-panel p{grid-column:1;grid-row:3;margin-bottom:0;font-size:11px}.focus-controls{grid-column:2;grid-row:2/4;align-items:center}.focus-controls button{padding-left:10px;padding-right:10px;font-size:12px}.side-note{padding:2px 3px 0}.side-note h3{font-size:12px}.side-note p{font-size:12px;margin-bottom:7px}.practice-grid{grid-template-columns:1fr}.practice-tile{padding:21px}.practice-tile h2{font-size:19px}.practice-tile p{font-size:13px}.page-top{margin-bottom:19px}.page-top h1{font-size:25px}.question-panel{padding:24px 19px}.question-text{font-size:21px;line-height:1.75;margin-bottom:22px}.question-text.zh{font-size:17px}.question-label{margin-bottom:15px;font-size:11px}.option{padding:12px;gap:12px;min-height:55px}.option .answer-text{font-size:18px}.option .letter{width:26px;height:26px;font-size:12px}.feedback{padding:17px}.feedback p{font-size:13px}.quiz-toolbar{margin-bottom:12px}.quiz-bottom{gap:8px;flex-wrap:wrap}.quiz-bottom .btn{min-width:90px;font-size:13px}.quiz-position{font-size:12px}.material summary{padding:13px 16px}.material-body{padding:2px 17px 17px;font-size:18px;max-height:420px}.rule{padding:21px 19px}.rule h2{font-size:17px}.rule p{font-size:14px}.rule .example{font-size:19px;padding:15px}.rule .note{font-size:12px}.vocab-card{padding:30px 22px;min-height:270px}.vocab-en{font-size:29px}.vocab-zh{font-size:19px}.review-row{gap:10px}.review-row p{font-size:17px}.review-row .btn{min-width:55px;padding:7px 10px;font-size:12px}.exam-banner{padding:14px 16px;gap:9px;flex-wrap:wrap}.exam-banner strong{font-size:20px}.exam-banner .row{gap:7px}.exam-banner .btn{padding:6px 9px;font-size:11px}.exam-groupnav{gap:5px}.exam-groupnav button{font-size:11px;padding:6px 8px}.question-map{gap:4px}.question-map button{width:26px;height:27px}.score-table th,.score-table td{padding:12px 9px;font-size:12px}.results-head{padding:22px}.settings-section{padding:22px}.settings-section .row{flex-wrap:wrap}#toast{left:50%;bottom:calc(82px + env(safe-area-inset-bottom));font-size:12px}.large-reading .question-text{font-size:24px}.large-reading .question-text.zh{font-size:19px}.large-reading .option .answer-text{font-size:21px}.large-reading .material-body{font-size:21px}dialog{padding:25px}}
@media(max-width:360px){.main-content{padding-left:14px;padding-right:14px}.topbar{padding:0 14px}.today-head h1{font-size:24px}.question-panel{padding:21px 15px}.today-head{gap:10px}.focus-controls .btn{padding-left:9px;padding-right:9px}.focus-panel{padding:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}