:root{
  --navy:#17324D; --navy2:#2D4E6E; --gold:#B07D28; --gold2:#D9B36C;
  --paper:#FFFDF8; --bg:#F5F1E7; --line:#E5DCCB; --line2:#EFE8DA;
  --text:#1F242B; --muted:#6E7681; --muted2:#98A0AA;
  --green:#3E7D5B; --green-bg:#EAF3ED; --red:#A64A3D; --red-bg:#FBEDEA;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Songti SC","Noto Serif SC","SimSun",serif;font-size:17px;line-height:1.95;
}
h1,h2,h3,h4,.sans{font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif}
a{color:inherit}

/* header */
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{max-width:1160px;margin:0 auto;padding:0 28px;height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Microsoft YaHei";font-size:13px;font-weight:700;color:var(--navy);white-space:nowrap;cursor:pointer}
.brand .mark{width:34px;height:34px;border-radius:10px;background:var(--navy);color:#EAD3A4;display:grid;place-items:center;font-size:15px}
.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted2)}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  border:none;background:none;cursor:pointer;padding:8px 13px;border-radius:8px;white-space:nowrap;
  font-family:"Microsoft YaHei";font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:6px
}
.tab:hover{background:#FBF7EC;color:var(--navy)}
.tab.on{background:var(--navy);color:#fff}
.tab-count{font-style:normal;font-family:Georgia,serif;font-size:10px;line-height:1;background:#F2E6CE;color:#8A6420;border-radius:999px;padding:3px 6px;min-width:18px;text-align:center}
.tab.on .tab-count{background:rgba(217,179,108,.22);color:var(--gold2)}
.progress{height:3px;background:#E9E1D1}
.progress i{display:block;height:100%;width:25%;background:var(--gold);transition:width .3s}

/* layout */
main{width:100%;max-width:820px;margin:0 auto;padding:42px 28px 100px}
main.page-plan,main.page-review{max-width:1160px;padding-top:30px}
main.page-lesson,main.page-default{max-width:820px}
.lesson-head{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:28px}
.kicker{font-family:"Microsoft YaHei";font-size:10.5px;letter-spacing:2.2px;color:var(--gold);font-weight:700}
.kicker span{color:var(--muted2);letter-spacing:1px;font-weight:400;margin-left:8px}
h1{font-size:35px;line-height:1.35;margin:10px 0 8px;color:var(--navy);letter-spacing:.3px}
.sub{font-size:16px;color:#4C5663;margin:0 0 12px}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-family:"Microsoft YaHei";font-size:11.5px;color:var(--muted);margin-top:12px}
.meta b{color:var(--navy)}
.goals{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0 26px}
.goals .k{font-family:"Microsoft YaHei";font-size:10px;letter-spacing:1.6px;color:var(--gold);margin-bottom:8px}
.goals ul{margin:0;padding-left:20px}
.goals li{font-size:14px;line-height:1.9;margin:4px 0}

/* toc */
.toc{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 30px;font-family:"Microsoft YaHei";font-size:11px}
.toc a{text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--muted)}
.toc a:hover{border-color:#D6C9B2;color:var(--navy)}

/* prose */
section.block{margin:0 0 42px}
.block-title{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:16px}
.block-title .n{font-family:Georgia,serif;font-size:14px;color:var(--gold)}
.block-title h2{font-size:23px;margin:0}
.block-title .min{font-family:"Microsoft YaHei";font-size:10.5px;color:var(--muted2);margin-left:auto}
h3{font-size:18px;margin:26px 0 8px;color:var(--navy);padding-left:11px;border-left:3px solid var(--gold);line-height:1.5}
p{margin:0 0 13px}
.lead{font-size:17.5px;color:#3D4652}
.formula{background:#E9F3EE;border-left:3px solid #3E7D5B;padding:12px 15px;margin:14px 0;font-family:"Cambria Math","Georgia",serif;font-size:14.5px;color:#1F3A2E;overflow-x:auto}
.formula-line{display:block;background:#E9F3EE;border:1px solid #BFD8CA;border-left:4px solid #3E7D5B;border-radius:0 8px 8px 0;padding:11px 15px;margin:13px 0;font-family:"Cambria Math","Georgia","Songti SC",serif;font-size:15px;line-height:1.8;color:#1F3A2E;overflow-x:auto}
.formula-inline{background:#E1F0E8;border-bottom:1px solid #9FC7B4;border-radius:3px;padding:1px 5px;font-family:"Cambria Math","Georgia",serif;color:#1F3A2E;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.calc-line{display:block;background:none;border:none;margin:7px 0 7px 20px;padding:0;font-family:"Cambria Math","Georgia","Songti SC",serif;font-size:14.5px;line-height:1.85;color:#3D4652;overflow-x:auto}
.table-title{font-family:Microsoft YaHei;font-size:10px;letter-spacing:1.2px;color:var(--gold);margin:18px 0 -6px}
.table-wrap{overflow-x:auto;margin:14px 0 20px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.table{width:100%;border-collapse:collapse;font-family:"Microsoft YaHei";font-size:13px;line-height:1.75}
.table th{text-align:left;font-weight:700;color:#6E7681;background:#F8F4EA;border-bottom:1px solid var(--line);padding:11px 16px;font-size:10.5px;letter-spacing:.4px;white-space:nowrap}
.table td{padding:13px 16px;border-bottom:1px solid var(--line2);vertical-align:top;color:#3D4652}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#FCFAF4}
.table td:first-child{font-weight:700;color:var(--navy);white-space:nowrap}
.table td:nth-child(2){font-family:"Cambria Math","Songti SC",serif;font-size:13.5px;color:#2F3A46}
.table td.n{text-align:right;font-family:Georgia,serif;font-size:14px}
.case{background:#F7F9FB;border:1px solid #E1E8EE;border-radius:12px;padding:16px 18px;margin:16px 0}
.case .k{font-family:"Microsoft YaHei";font-size:10px;letter-spacing:1.4px;color:var(--navy2);margin-bottom:4px}
.case h4{margin:0 0 6px;font-size:16px}
.case p{font-size:14.5px;line-height:1.9;margin:0 0 7px}
.fav-item{position:relative}
.case.fav-item,.drill.fav-item{padding-right:138px}
.qitem.fav-item{padding-right:92px}
.note-item-btn{position:absolute;top:8px;right:62px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:3px 8px;font-family:Microsoft YaHei;font-size:9.5px;line-height:1.5;cursor:pointer;z-index:2}
.note-item-btn:hover{border-color:#6C8AA6;color:#3D6A8E}
.note-item-btn.on{background:#E8F1F8;border-color:#BCD2E2;color:#3D6A8E}
.item-note{margin:10px 0 18px;background:#F7FAFC;border:1px solid #DCE6EF;border-left:3px solid #6C8AA6;border-radius:0 10px 10px 0;padding:10px 13px}
.item-note .note-top{color:#55738B}
.item-note .note-quote{font-size:12px;border-left-color:#DCE6EF;margin:5px 0 6px}
.item-note .note-body{font-size:13.5px}
.fav-btn{position:absolute;top:8px;right:8px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:3px 8px;font-family:Microsoft YaHei;font-size:9.5px;line-height:1.5;cursor:pointer;z-index:2}
.fav-btn:hover{border-color:var(--gold);color:var(--gold)}
.fav-btn.on{background:#FBF3E3;border-color:var(--gold2);color:var(--gold)}
.fav-title{font-size:15px;font-weight:700;color:var(--navy);line-height:1.7;margin:7px 0 5px}
.fav-detail{border-top:1px dashed var(--line2);padding-top:6px;margin:6px 0}
.fav-detail summary{font-size:10.5px;color:var(--gold)}
.fav-body{font-size:13.5px;line-height:1.85;color:#3D4A57;margin-top:6px}
.fav-card.flash,.fav-item.flash{animation:flash 1.8s ease}
.figure-box{background:#FBF7ED;border:1px solid var(--line);border-radius:14px;padding:18px 18px 14px;margin:18px 0}
.figure-title{font-family:Microsoft YaHei;font-size:11px;letter-spacing:1px;color:var(--gold);margin-bottom:12px}
.mf{display:flex;align-items:stretch;gap:0}
.mf-node{flex:1 1 0;min-width:0;background:var(--paper);border:1px solid var(--line2);border-radius:9px;padding:10px 11px}
.mf-k{font-family:Microsoft YaHei;font-size:9.5px;letter-spacing:.6px;color:var(--gold)}
.mf-t{font-family:Microsoft YaHei;font-size:12.5px;font-weight:700;color:var(--navy);margin:3px 0;line-height:1.45}
.mf-d{font-family:Microsoft YaHei;font-size:10px;color:var(--muted);line-height:1.65}
.mf-arrow{flex:0 0 42px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gold);gap:1px}
.mf-arrow span{font-family:Microsoft YaHei;font-size:8.5px;color:var(--muted2);white-space:nowrap}
.mf-arrow b{font-weight:400;font-size:15px;line-height:1}
.rate-chain{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin-top:13px;padding-top:10px;border-top:1px dashed var(--line)}
.rate-label{font-family:Microsoft YaHei;font-size:9.5px;color:var(--gold);letter-spacing:.5px;margin-right:3px}
.rate-chain i{font-style:normal;font-family:Microsoft YaHei;font-size:10px;background:#fff;border:1px solid var(--line2);border-radius:5px;padding:3px 7px;color:#3E4753}
.rate-chain em{font-style:normal;color:#B9AA8D;font-size:10px}
.figure-note{font-family:Microsoft YaHei;font-size:10.5px;color:var(--muted);line-height:1.8;margin-top:10px;padding-top:8px;border-top:1px solid var(--line2)}
.term-box{background:#F7FAFC;border:1px solid #DCE6EF;border-radius:12px;padding:13px 15px;margin:15px 0}
.term-title{font-family:Microsoft YaHei;font-size:10px;letter-spacing:1px;color:#3D6A8E;margin-bottom:8px}
.term-item{padding:8px 0;border-top:1px dashed #DCE6EF}
.term-item:first-of-type{border-top:none;padding-top:2px}
.term-name{font-family:Microsoft YaHei;font-size:13px;font-weight:700;color:var(--navy);display:inline-block;margin-right:7px}
.term-def{font-size:14px;line-height:1.8;color:#2F3A46;display:inline}
.term-why{font-family:Microsoft YaHei;font-size:10.5px;color:#5C7690;line-height:1.7;margin-top:3px}
.chain-box{background:#FBF7ED;border:1px solid var(--line);border-radius:11px;padding:11px 13px;margin:15px 0}
.chain-label{font-family:Microsoft YaHei;font-size:9.5px;letter-spacing:1px;color:var(--gold);display:block;margin-bottom:6px}
.chain-flow{display:flex;align-items:center;flex-wrap:wrap;gap:5px}
.chain-node{font-family:Microsoft YaHei;font-size:10.5px;line-height:1.6;background:#fff;border:1px solid var(--line2);border-radius:5px;padding:4px 7px;color:#3E4753}
.chain-arrow{color:#C6B28A;font-size:11px}
.formula-map{display:flex;align-items:stretch;gap:0}
.fm-card{flex:1 1 0;min-width:0;background:var(--paper);border:1px solid var(--line2);border-radius:9px;padding:10px 11px}
.fm-t{font-family:Microsoft YaHei;font-size:9.5px;color:var(--gold);letter-spacing:.4px}
.fm-f{font-family:Cambria Math,Georgia,serif;font-size:12.5px;color:var(--navy);line-height:1.6;margin:5px 0 3px;overflow-wrap:anywhere}
.fm-d{font-family:Microsoft YaHei;font-size:9.5px;color:var(--muted);line-height:1.6}
.fm-arrow{flex:0 0 24px;display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:13px}

/* drills */
.drill{border-top:1px solid var(--line);padding:16px 0}
.drill:first-of-type{border-top:none}
.drill .q{font-size:15.5px;font-weight:700;color:var(--navy);line-height:1.7}
.drill .hint{font-family:"Microsoft YaHei";font-size:12px;color:var(--muted);margin:4px 0 8px}
details{border-top:1px dashed var(--line2);padding-top:8px}
summary{cursor:pointer;font-family:"Microsoft YaHei";font-size:12px;color:var(--gold);font-weight:700;outline:none}
details p{font-size:14px;margin:8px 0 3px}
details ol{margin:6px 0 0 20px;font-size:14px;line-height:1.85}

/* quiz */
.quiz{margin-top:16px}
.qitem{border:1px solid var(--line);border-radius:12px;padding:15px 17px;margin-bottom:10px;background:var(--paper)}
.qitem .qt{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:8px}
.opt{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line2);border-radius:9px;margin:6px 0;cursor:pointer;font-size:14px;line-height:1.6;background:#FCFAF4}
.opt:hover{border-color:#D6C9B2}
.opt input{margin-top:4px;accent-color:var(--navy)}
.opt.correct{background:var(--green-bg);border-color:#BCD7C6}
.opt.wrong{background:var(--red-bg);border-color:#E4C2BB}
.why{display:none;margin-top:8px;padding:9px 11px;background:#F7F4EC;border-radius:8px;font-size:12.5px;line-height:1.75;color:#4A4335}
.why.show{display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--navy);background:var(--navy);color:#fff;font-family:"Microsoft YaHei";font-size:13px;font-weight:700;padding:10px 18px;cursor:pointer}
.btn:hover{background:var(--navy2)}
.btn.gold{background:var(--gold);border-color:var(--gold)}
.btn.ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.result{display:none;align-items:center;gap:14px;background:#F7F4EC;border-radius:10px;padding:11px 14px;margin:12px 0}
.result.show{display:flex}
.result b{font-family:Georgia,serif;font-size:22px;color:var(--navy)}
.result span{font-family:"Microsoft YaHei";font-size:12px;color:var(--muted)}

/* summary */
.summary{background:var(--navy);color:#fff;border-radius:16px;padding:24px;margin:20px 0}
.summary .k{font-family:"Microsoft YaHei";font-size:10px;letter-spacing:2px;color:var(--gold2)}
.summary h2{color:#fff;font-size:22px;margin:6px 0 12px}
.summary ul{margin:0;padding-left:20px;color:#DCE4EC;font-size:14.5px;line-height:1.95}
.summary li{margin:4px 0}
.summary-head{margin:8px 0 14px}
.summary-head .k{font-family:Microsoft YaHei;font-size:10px;letter-spacing:1.6px;color:var(--gold)}
.summary-head h2{font-size:24px;margin:4px 0 0;color:var(--navy)}
.summary-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 18px}
.sum-card{display:flex;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 15px}
.sum-card .sum-n{font-family:Georgia,serif;font-size:13px;color:var(--gold);flex:0 0 auto;padding-top:2px}
.sum-card p{font-size:14px;line-height:1.8;color:#2F3A46;margin:0}
.review-plan{background:#F7FAFC;border:1px solid #DCE6EF;border-radius:12px;padding:14px 16px;margin:16px 0 4px}
.rp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:9px}
.rp-title{font-family:Microsoft YaHei;font-size:11px;letter-spacing:1px;color:#3D6A8E}
.rp-status{font-family:Microsoft YaHei;font-size:11px;color:var(--muted)}
.rp-steps{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:9px}
.rp-step{font-family:Microsoft YaHei;font-size:10px;padding:3px 8px;border-radius:999px;background:#fff;border:1px solid var(--line2);color:var(--muted2)}
.rp-step.done{background:var(--green-bg);border-color:#BCD7C6;color:var(--green)}
.rp-step.now{background:#FBF3E3;border-color:var(--gold2);color:var(--gold);font-weight:700}
.rp-btn{padding:6px 12px;font-size:11px}
.rp-hint{font-family:Microsoft YaHei;font-size:10.5px;color:var(--muted2);line-height:1.7}
.plan-panel{background:#FBF7ED;border:1px solid var(--line);border-radius:13px;padding:13px 16px;margin:16px 0 22px}
.plan-head{display:flex;justify-content:space-between;gap:10px;font-family:Microsoft YaHei;font-size:9.5px;letter-spacing:1px;color:var(--gold);margin-bottom:7px}
.plan-head span:last-child{color:var(--muted2);letter-spacing:0}
.plan-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px dashed var(--line2)}
.plan-item:first-of-type{border-top:none}
.plan-info b{display:block;font-family:Microsoft YaHei;font-size:12px;color:var(--navy);font-weight:700;line-height:1.6}
.plan-info span{display:block;font-family:Microsoft YaHei;font-size:10px;color:var(--muted);margin-top:2px}
.plan-actions{display:flex;gap:6px;flex:0 0 auto}
.plan-actions button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:6px;padding:4px 8px;font-family:Microsoft YaHei;font-size:9.5px;cursor:pointer}
.plan-actions button:hover{border-color:var(--gold);color:var(--gold)}
.done-row{display:flex;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}
.badge{display:none;font-family:"Microsoft YaHei";font-size:11.5px;color:var(--green);background:var(--green-bg);padding:6px 10px;border-radius:999px}
.badge.show{display:inline-block}

/* highlights & notes */
mark.hl{background:#F7E6AE;color:inherit;padding:1px 0;border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.note-anchor{background:#E8F1F8;border-bottom:2px solid #6C8AA6;cursor:pointer;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hl.flash,.note-anchor.flash{animation:flash 1.8s ease}
@keyframes flash{0%,100%{background-color:inherit}30%{background-color:#F3C969}}
.sel-toolbar{position:fixed;z-index:80;display:none;align-items:center;gap:2px;background:var(--navy);border-radius:9px;padding:5px;box-shadow:0 6px 20px rgba(0,0,0,.22)}
.sel-toolbar.show{display:flex}
.sel-toolbar button{border:none;background:none;color:#fff;font-family:Microsoft YaHei;font-size:11.5px;padding:5px 9px;border-radius:6px;cursor:pointer;white-space:nowrap}
.sel-toolbar button:hover{background:rgba(255,255,255,.16)}
.hl-menu{position:fixed;z-index:82;display:none;background:var(--navy);border-radius:8px;padding:4px;box-shadow:0 6px 18px rgba(0,0,0,.22)}
.hl-menu.show{display:block}
.hl-menu button{border:none;background:none;color:#fff;font-family:Microsoft YaHei;font-size:11px;padding:6px 10px;border-radius:5px;cursor:pointer;white-space:nowrap}
.hl-menu button:hover{background:rgba(255,255,255,.16)}
.note-pop{position:fixed;z-index:81;display:none;width:430px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 16px 44px rgba(0,0,0,.22)}
.note-pop.show{display:block}
.note-pop.center{left:50%!important;top:50%!important;transform:translate(-50%,-50%);max-height:90vh;overflow:auto}
.note-pop .np-k{font-family:Microsoft YaHei;font-size:10px;letter-spacing:1px;color:var(--gold);margin-bottom:8px}
.ne-tools{display:flex;align-items:center;gap:5px;flex-wrap:wrap;padding:6px;background:#F7F4EC;border:1px solid var(--line2);border-radius:8px 8px 0 0;border-bottom:none}
.ne-tools button{border:1px solid transparent;background:transparent;border-radius:5px;padding:3px 7px;cursor:pointer;font-family:Microsoft YaHei;font-size:11px;color:#3E4753;line-height:1.5}
.ne-tools button:hover{background:#fff;border-color:var(--line)}
.ne-tools button b{font-size:13px}
.ne-tools .sw{width:18px;height:18px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);padding:0}
.ne-tools .clear-fmt{margin-left:auto;color:var(--muted)}
.ne-sep{width:1px;height:14px;background:var(--line);margin:0 3px}
.note-content{min-height:140px;max-height:46vh;overflow:auto;border:1px solid var(--line);border-radius:0 0 8px 8px;padding:10px 12px;font-family:inherit;font-size:14.5px;line-height:1.8;background:#FCFAF4;outline:none;color:var(--text)}
.note-content:focus{border-color:var(--navy2);background:#fff}
.note-content:empty:before{content:attr(data-placeholder);color:var(--muted2);pointer-events:none}
.note-content img,.rich-note img{max-width:100%;height:auto;border-radius:7px;margin:7px 0;display:block;border:1px solid var(--line2)}
.ne-hint{font-family:Microsoft YaHei;font-size:10px;color:var(--muted2);line-height:1.6;margin-top:5px}
.note-pop .np-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:9px}
.note-pop .np-actions button{border-radius:7px;padding:6px 12px;font-family:Microsoft YaHei;font-size:12px;cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--muted)}
.note-pop .np-actions .save{background:var(--navy);border-color:var(--navy);color:#fff}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(10px);background:rgba(23,50,77,.94);color:#fff;font-family:Microsoft YaHei;font-size:12px;padding:8px 14px;border-radius:999px;opacity:0;pointer-events:none;transition:.2s;z-index:90}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.inline-note{margin:12px 0 18px;background:#F7FAFC;border:1px solid #DCE6EF;border-left:3px solid #6C8AA6;border-radius:0 10px 10px 0;padding:10px 13px}
@media(min-width:1320px){
  #app{position:relative}
  .inline-note.side-note{position:absolute;left:calc(100% + 18px);top:0;width:230px;margin:0;padding:10px 12px;border-radius:0 9px 9px 0;box-shadow:0 3px 12px rgba(23,50,77,.06);z-index:1}
  .inline-note.side-note .note-top{font-size:9.5px}
  .inline-note.side-note .note-quote{font-size:11px;line-height:1.65;margin:4px 0 5px}
  .inline-note.side-note .note-body{font-size:12.5px;line-height:1.75}
  .inline-note.side-note .rich-note img{max-width:100%}
}
.note-top{display:flex;align-items:center;justify-content:space-between;font-family:Microsoft YaHei;font-size:10px;letter-spacing:.5px;color:#6C8AA6}
.note-actions{display:flex;gap:9px;align-items:center}
.note-del,.note-edit{border:none;background:none;color:var(--muted2);font-family:Microsoft YaHei;font-size:10px;cursor:pointer;padding:0}
.note-edit{color:var(--gold)}
.note-del:hover{color:var(--red)}
.note-quote{font-size:12.5px;color:var(--muted);border-left:2px solid #E1E8EE;padding-left:8px;margin:5px 0 6px;line-height:1.7}
.note-body{font-size:14px;line-height:1.8;color:#2F3A46}
.rich-note b,.rich-note strong{font-weight:700}
.term-first{position:relative;border-bottom:2px dashed #4E7A9E;padding-bottom:1px;cursor:help;color:inherit;font-weight:inherit}
.term-first.flash-term{background:#FFF3CF}
.term-link{position:relative;color:inherit;border-bottom:2px dotted #4F7FA6;padding-bottom:1px;text-decoration:none;cursor:help}
.term-link:hover{color:#2F6FB0;border-bottom-color:#2F6FB0}
.term-backdrop{position:fixed;inset:0;background:rgba(23,50,77,.18);z-index:99;display:none}
.term-backdrop.show{display:block}
.term-tip{position:fixed;z-index:100;display:none;left:50%;top:50%;transform:translate(-50%,-50%);width:420px;max-width:calc(100vw - 32px);max-height:80vh;background:#FFFDF8;border:1px solid #D8C8AA;border-radius:12px;padding:15px 17px;box-shadow:0 18px 50px rgba(23,50,77,.26);text-align:left}
.term-tip.show{display:block}
.tt-close{position:absolute;top:6px;right:8px;border:none;background:none;color:var(--muted2);font-size:18px;line-height:1;cursor:pointer;padding:2px 5px}
.tt-close:hover{color:var(--navy)}
.tt-k{font-family:Microsoft YaHei;font-size:9.5px;letter-spacing:1.4px;color:var(--gold)}
.tt-title{font-family:Microsoft YaHei;font-size:15px;font-weight:700;color:var(--navy);margin:3px 0 6px}
.tt-body{font-family:Microsoft YaHei;font-size:12.5px;line-height:1.9;color:#3D4652;max-height:58vh;overflow-y:auto;padding-right:3px}
.orphan-notes{margin:34px 0 10px;padding:16px 18px;border:1px dashed #D8C8AA;border-radius:12px;background:#FCFAF4}
.orphan-title{font-family:Microsoft YaHei;font-size:11px;letter-spacing:1px;color:var(--gold);margin-bottom:4px}
.orphan-sub{font-family:Microsoft YaHei;font-size:10.5px;color:var(--muted);line-height:1.7;margin:0 0 10px}
.orphan-note{margin:10px 0}

/* annotation review */
.ann-stats{display:flex;gap:18px;margin-top:12px;font-family:Microsoft YaHei;font-size:11.5px;color:var(--muted)}
.ann-stats b{font-family:Georgia,serif;font-size:17px;color:var(--navy);margin-right:3px}
.formula-search{display:flex;align-items:center;gap:10px;margin:18px 0 10px}
.formula-search input{flex:1;border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:9px 12px;font-family:Microsoft YaHei;font-size:12.5px;outline:none;color:var(--text)}
.formula-search input:focus{border-color:var(--navy2)}
.formula-search span{font-family:Microsoft YaHei;font-size:10.5px;color:var(--muted2);white-space:nowrap}
.formula-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:11px}
.fc-head{display:flex;gap:10px;flex-wrap:wrap;font-family:Microsoft YaHei;font-size:9.5px;color:var(--muted2);letter-spacing:.2px}
.fc-track{color:var(--gold)}
.fc-name{font-family:Microsoft YaHei;font-size:16px;font-weight:700;color:var(--navy);margin:6px 0 2px}
.fc-plain{font-size:13.5px;line-height:1.8;color:#4C5663;margin:5px 0 2px}
.fc-jump{border:none;background:none;color:var(--gold);font-family:Microsoft YaHei;font-size:10.5px;padding:0;cursor:pointer}
.ann-view{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:20px 0 10px}
.ann-view button{border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:7px 13px;border-radius:999px;cursor:pointer;font-family:Microsoft YaHei;font-size:11.5px}
.ann-view button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.hl-group{padding-bottom:10px}
.hl-quotes{margin:8px 0 4px}
.hl-quote{display:flex;align-items:flex-start;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line2);font-size:14.5px;line-height:1.8;color:#2F3A46}
.hl-quote:last-child{border-bottom:none}
.hl-quote span{flex:1}
.hl-x{border:none;background:none;color:var(--muted2);font-size:15px;line-height:1;cursor:pointer;padding:2px 5px}
.hl-x:hover{color:var(--red)}
.ann-filters{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:18px 0 26px;font-family:Microsoft YaHei;font-size:11px}
.ann-filters button{border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:6px 10px;border-radius:999px;cursor:pointer;font-size:11px}
.ann-filters button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.ann-empty{background:var(--paper);border:1px dashed var(--line);border-radius:12px;padding:28px;text-align:center;font-family:Microsoft YaHei;font-size:12.5px;color:var(--muted);line-height:1.9}
.ann-group{margin-bottom:30px}
.ann-group-head{display:flex;align-items:baseline;gap:8px;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:10px}
.ann-group-head .tag{font-family:Microsoft YaHei;font-size:9.5px;color:var(--gold);letter-spacing:1px}
.ann-group-head h2{font-size:17px;margin:0}
.ann-group-head span:last-child{font-family:Microsoft YaHei;font-size:10.5px;color:var(--muted2);margin-left:auto}
.ann-card{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:13px 15px;margin-bottom:9px}
.ann-meta{display:flex;align-items:center;gap:9px;font-family:Microsoft YaHei;font-size:10px;color:var(--muted2);flex-wrap:wrap}
.ann-type{font-size:9.5px;padding:2px 7px;border-radius:999px;background:#F7E6AE;color:#7A5A13}
.ann-type.note{background:#E8F1F8;color:#3D6A8E}
.ann-type.item{background:#E8F1F8;color:#3D6A8E;border:1px solid #C9DDEA}
.ann-quote{margin:8px 0 6px;font-size:14.5px;line-height:1.8;color:#2F3A46;border-left:2px solid var(--gold2);padding-left:10px}
.ann-note{font-size:13.5px;line-height:1.8;color:#3D4A57;background:#F7FAFC;border-radius:8px;padding:8px 10px;margin:7px 0}
.ann-actions{display:flex;gap:12px;margin-top:6px}
.ann-actions button{border:none;background:none;font-family:Microsoft YaHei;font-size:10.5px;color:var(--gold);padding:0;cursor:pointer}
.ann-actions button:last-child{color:var(--muted2)}
.trash{margin-top:26px;border:1px solid var(--line);border-radius:12px;background:#FBF7ED;padding:12px 16px}
.trash summary{font-family:Microsoft YaHei;font-size:11.5px;color:var(--muted);cursor:pointer}
.trash-list{margin-top:10px}
.trash-item{border-top:1px solid var(--line);padding:10px 0}
.trash-meta{font-family:Microsoft YaHei;font-size:10px;color:var(--muted2)}
.trash-note{font-size:12.5px;color:var(--muted);margin:4px 0}

@media(max-width:720px){
  .note-pop{width:calc(100vw - 24px)}
  .note-pop.center{left:50%!important;top:50%!important}
  .sel-toolbar{transform:translateY(0)}
  .inline-note{margin:10px 0 14px}
}


/* review */
.weekly-live{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;background:#FBF3E3;border:1px solid #E8D6B5;border-radius:10px;padding:9px 13px;margin:-8px 0 14px}
.weekly-live b{font-family:"Microsoft YaHei";font-size:10px;color:#7A5A13;white-space:nowrap}
.weekly-live span{font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.65;color:#8B7651}
.review-points{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.review-points li{margin:8px 0;font-size:14.5px}

@media(max-width:720px){
  .top-in{height:auto;padding:12px 14px;flex-direction:column;align-items:flex-start;gap:8px}
  .tabs{width:100%}
  main{padding:26px 18px 80px}
  h1{font-size:26px}
  h2{font-size:20px}
  body{font-size:16px}
  .table{font-size:11.5px;min-width:440px}
  .table th,.table td{padding:9px 10px}
  .table td:first-child{white-space:normal}
  .summary-cards{grid-template-columns:1fr}
  .plan-item{align-items:flex-start;flex-direction:column;gap:5px}
  .mf,.formula-map{flex-direction:column}
  .mf-arrow{flex:0 0 26px;height:26px}
  .mf-arrow span{display:none}
  .mf-arrow b{transform:rotate(90deg)}
  .fm-arrow{flex:0 0 20px;height:20px}
}

/* mobile access */
.device-note{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:12px;padding:16px 22px;background:#F7FAFC;border:1px solid #DCE6EF;border-radius:14px}
.device-note b{display:block;font-family:"Microsoft YaHei";font-size:13px;color:var(--navy);margin:2px 0 4px}
.device-note p{font-family:"Microsoft YaHei";font-size:10.5px;line-height:1.75;color:var(--muted);margin:0;max-width:670px}
.device-actions{display:flex;gap:7px;flex:0 0 auto;flex-wrap:wrap}
.device-actions .btn{padding:8px 12px;font-size:11px;background:#fff}

@media(max-width:720px){
  .device-note{flex-direction:column;align-items:stretch;gap:11px;padding:15px 16px}
  .device-actions .btn{flex:1}
}

/* phone: larger tap targets and no iOS focus zoom */
html{-webkit-text-size-adjust:100%}
button,.tab,.btn,.opt,.cloze-blank,.cloze-options button,.ann-view button{touch-action:manipulation}
@media(max-width:720px){
  .top{padding-top:env(safe-area-inset-top,0px)}
  body{overflow-x:hidden}
  main{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .tab{min-height:40px}
  .opt{min-height:44px}
  .cloze-options button{min-height:44px}
  .cloze-blank{min-height:30px}
  .note-content,.formula-search input{font-size:16px}
  .note-content{min-height:160px;line-height:1.75}
  .tt-body{font-size:13px}
  .cloze-text{font-size:17.5px;line-height:2.2}
  .case,.drill{padding-left:14px;padding-right:14px}
  .case.fav-item,.drill.fav-item{padding-right:104px}
  .note-item-btn{right:52px}
}

@media(max-width:420px){
  .top-in{padding:10px 12px}
  .brand{font-size:12px}
  .brand small{font-size:9px}
  .tab{padding:7px 10px;font-size:11px}
  .plan-hero h1{font-size:31px}
  .ph-lead{font-size:13px}
  .review-head h1{font-size:30px}
  .cloze-text{font-size:17px}
  .rc-prompt{font-size:20px}
  .rc-text{font-size:18px}
  .case h4{font-size:15px}
  .case p{font-size:14px}
  .formula-line{font-size:13px}
}

/* cloud sync status */
.cloud-sync{
  position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:70;
  border:1px solid #BFD8CA;background:#EAF3ED;color:#2E6A4A;border-radius:999px;
  padding:7px 12px;font-family:"Microsoft YaHei";font-size:10.5px;line-height:1.4;
  box-shadow:0 6px 18px rgba(23,50,77,.12);cursor:pointer;white-space:nowrap;touch-action:manipulation
}
.cloud-sync.busy{background:#FBF3E3;border-color:#E8D6B5;color:#8A6420}
.cloud-sync.off{background:#F7F4EC;border-color:#E5DCCB;color:#8B7651}
.cloud-sync:hover{filter:brightness(.98)}
@media(max-width:720px){
  .cloud-sync{left:14px;right:14px;bottom:calc(12px + env(safe-area-inset-bottom,0px));text-align:center;font-size:10px}
}

/* ============================================================
   Course overview
   ============================================================ */
.track-A{--tc:#2F5D82;--tcbg:#EDF4F9}
.track-B{--tc:#3E7D5B;--tcbg:#EDF5F0}
.track-C{--tc:#A66B3D;--tcbg:#FBF1E8}

.lesson-crumb{display:flex;align-items:center;gap:8px;font-family:"Microsoft YaHei";font-size:10.5px;color:var(--muted2);letter-spacing:.3px;margin-bottom:14px}
.lesson-crumb a{color:var(--gold);text-decoration:none}
.lesson-crumb a:hover{text-decoration:underline}
.lesson-gate{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#FBF3E3;border:1px solid #E8D6B5;border-radius:12px;padding:12px 16px;margin:18px 0 0}
.lesson-gate b{display:block;font-family:"Microsoft YaHei";font-size:12px;color:#7A5A13;line-height:1.6}
.lesson-gate span{display:block;font-family:"Microsoft YaHei";font-size:10.5px;color:#8B7651;line-height:1.6;margin-top:2px}
.lesson-gate .btn{flex:0 0 auto;padding:7px 12px;font-size:11px;background:#fff}
.lesson-gate-page{max-width:660px;margin:22px auto 0;padding:42px 44px;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 55px rgba(23,50,77,.08)}
.lg-kicker{font-family:"Microsoft YaHei";font-size:9px;letter-spacing:2px;color:var(--gold);font-weight:700}
.lesson-gate-page h1{font-size:40px;line-height:1.3;color:var(--navy);margin:12px 0 10px}
.lesson-gate-page>p{font-size:14px;line-height:1.9;color:#56616D;margin:0 0 20px}
.lg-list{background:#FBF7ED;border:1px solid var(--line);border-radius:12px;padding:4px 15px;margin-bottom:19px}
.lg-item{display:flex;align-items:center;gap:11px;padding:10px 0;border-bottom:1px dashed var(--line2)}
.lg-item:last-child{border-bottom:none}
.lg-item>div{text-align:left}
.lg-item b{display:block;font-family:"Microsoft YaHei";font-size:11.5px;color:var(--navy);line-height:1.55}
.lg-item span{display:block;font-family:"Microsoft YaHei";font-size:9px;color:var(--muted2);margin-top:2px}
.lg-actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.lg-next{font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);line-height:1.7;margin-top:17px;padding-top:13px;border-top:1px solid var(--line2)}
@media(max-width:720px){
  .lesson-gate-page{padding:28px 21px;margin-top:13px;border-radius:16px}
  .lesson-gate-page h1{font-size:31px}
  .lesson-gate-page>p{font-size:12.5px}
  .lg-actions{flex-direction:column;align-items:stretch}
  .lg-actions .btn{width:100%}
}

.plan-hero{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background:linear-gradient(132deg,#17324D 0%,#1B3A58 56%,#244966 100%);
  padding:44px 46px 38px;display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:38px;
  box-shadow:0 26px 64px rgba(23,50,77,.16)
}
.plan-hero:before{
  content:"";position:absolute;right:-130px;top:-210px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(217,179,108,.17);box-shadow:0 0 0 42px rgba(217,179,108,.035),0 0 0 84px rgba(217,179,108,.025)
}
.plan-hero:after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(217,179,108,.55),transparent)
}
.ph-copy,.ph-side{position:relative;z-index:1}
.ph-kicker{display:flex;align-items:center;gap:9px;font-family:"Microsoft YaHei";font-size:9.5px;letter-spacing:2.4px;color:var(--gold2);font-weight:700}
.ph-kicker i{display:block;width:22px;height:1px;background:var(--gold2);opacity:.8}
.plan-hero h1{font-size:46px;line-height:1.24;letter-spacing:.2px;color:#fff;margin:17px 0 14px}
.plan-hero h1 em{font-style:normal;color:#E5C88C}
.ph-lead{max-width:610px;margin:0 0 25px;font-size:15px;line-height:1.95;color:#CAD7E2}
.ph-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hero-ghost{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);color:#F7F1E5}
.hero-ghost:hover{background:rgba(255,255,255,.13)}
.ph-foot{display:flex;gap:22px;flex-wrap:wrap;margin-top:25px;font-family:"Microsoft YaHei";font-size:10px;color:#92A8BB;letter-spacing:.3px}
.ph-foot span{display:flex;align-items:center;gap:6px}
.ph-foot span+span:before{content:"";width:3px;height:3px;border-radius:50%;background:#6D8498}
.ph-side{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px}
.progress-ring{width:164px;height:164px;border-radius:50%;padding:1px;position:relative;filter:drop-shadow(0 12px 24px rgba(0,0,0,.12))}
.progress-ring:before{content:"";position:absolute;inset:8px;border-radius:50%;background:#17324D}
.pr-inner{position:absolute;inset:14px;border-radius:50%;background:#1B3855;border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center}
.pr-inner b{font-family:Georgia,serif;font-size:43px;line-height:1;font-weight:400;color:#fff;letter-spacing:-.5px}
.pr-inner b small{font-size:17px;color:var(--gold2);margin-left:1px}
.pr-inner span{font-family:"Microsoft YaHei";font-size:9.5px;letter-spacing:1.2px;color:#A7BAC9;margin-top:7px}
.ph-count{display:flex;align-items:baseline;gap:6px;font-family:"Microsoft YaHei"}
.ph-count b{font-family:Georgia,serif;font-size:20px;font-weight:400;color:var(--gold2)}
.ph-count span{font-size:10px;color:#A7BAC9}

.today-card{
  position:relative;z-index:2;display:flex;align-items:center;gap:22px;
  margin:-25px 28px 0;padding:17px 22px;background:var(--paper);border:1px solid var(--line);
  border-radius:18px;box-shadow:0 16px 38px rgba(23,50,77,.09)
}
.tc-date{flex:0 0 148px;border-right:1px solid var(--line2);padding-right:20px}
.tc-date span{display:block;font-family:"Microsoft YaHei";font-size:8.5px;letter-spacing:1.8px;color:var(--gold);font-weight:700;margin-bottom:4px}
.tc-date b{display:block;font-family:"Microsoft YaHei";font-size:12px;color:var(--navy);line-height:1.6;white-space:nowrap}
.tc-flow{flex:1;display:flex;align-items:center;gap:14px;min-width:0}
.tc-step{flex:1;display:flex;align-items:center;gap:11px;min-width:0}
.tc-step.locked{opacity:.6}
.tc-num{flex:0 0 28px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif;font-size:11px;color:var(--muted2);border:1px solid var(--line);background:#FBF9F3}
.tc-step.active .tc-num{background:var(--navy);border-color:var(--navy);color:var(--gold2)}
.tc-step.done .tc-num{background:var(--green-bg);border-color:#C9DDD0;color:var(--green)}
.tc-info{flex:1;min-width:0}
.tc-info b{display:block;font-family:"Microsoft YaHei";font-size:11.5px;color:var(--navy);line-height:1.5}
.tc-info p{font-family:"Microsoft YaHei";font-size:10px;color:var(--muted);line-height:1.5;margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tc-line{flex:0 0 30px;height:1px;background:var(--line);position:relative}
.tc-line:after{content:"";position:absolute;right:0;top:-2px;width:5px;height:5px;border-top:1px solid var(--line);border-right:1px solid var(--line);transform:rotate(45deg)}
.tc-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:7px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--navy);font-family:"Microsoft YaHei";font-size:10px;font-weight:700;text-decoration:none;cursor:pointer;white-space:nowrap}
.tc-btn:hover{border-color:var(--gold);color:var(--gold)}
.tc-btn.gold{background:var(--navy);border-color:var(--navy);color:#fff}
.tc-btn.gold:hover{background:var(--navy2);color:#fff}
.tc-lock,.tc-ok{flex:0 0 auto;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);white-space:nowrap}
.tc-ok{color:var(--green)}

.plan-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0 40px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:15px 17px;min-width:0}
.stat-k{display:block;font-family:"Microsoft YaHei";font-size:9.5px;letter-spacing:.5px;color:var(--muted);margin-bottom:5px}
.stat b{display:block;font-family:Georgia,serif;font-size:29px;font-weight:400;line-height:1.15;color:var(--navy)}
.stat b i{font-style:normal;font-family:"Microsoft YaHei";font-size:10px;color:var(--muted2);margin-left:4px}
.stat em{display:block;font-style:normal;font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.6;color:var(--muted2);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stat-bar{height:3px;background:#EFE9DD;border-radius:999px;margin-top:9px;overflow:hidden}
.stat-bar i{display:block;height:100%;background:var(--gold);border-radius:999px;transition:width .4s}

.curriculum{margin-top:2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.eyebrow{font-family:"Microsoft YaHei";font-size:9px;letter-spacing:2px;color:var(--gold);font-weight:700}
.sec-head h2{font-size:27px;line-height:1.3;margin:4px 0 4px;color:var(--navy)}
.sec-head p{font-family:"Microsoft YaHei";font-size:10.5px;line-height:1.7;color:var(--muted);margin:0}
.plan-legend{display:flex;gap:14px;flex-wrap:wrap;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted)}
.plan-legend span{display:flex;align-items:center;gap:5px}
.lg{display:block;width:6px;height:6px;border-radius:50%;background:#D8D0C1}
.lg.done{background:var(--green)}
.lg.next{background:var(--gold)}
.lg.planned{background:#C9C2B6}

.plan-table{background:var(--paper);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 18px 46px rgba(23,50,77,.065)}
.pt-head,.plan-row{display:grid;grid-template-columns:104px repeat(6,minmax(0,1fr)) 82px;gap:7px;padding:10px 12px}
.pt-head{background:#F8F4EA;border-bottom:1px solid var(--line);font-family:"Microsoft YaHei";font-size:9px;letter-spacing:.7px;color:#8B806C;font-weight:700}
.pt-head span{padding:0 7px}
.plan-row{position:relative;border-top:1px solid var(--line2);align-items:stretch}
.plan-row:first-of-type{border-top:none}
.plan-row:last-child{padding-bottom:15px}
.pr-week{padding:9px 8px 9px 5px;min-width:0}
.pr-week-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:6px}
.pr-week-top span{font-family:"Microsoft YaHei";font-size:8px;letter-spacing:1.1px;color:var(--gold);font-weight:700}
.pr-week-top i{font-style:normal;font-family:Georgia,serif;font-size:9px;color:var(--muted2)}
.pr-week> b{display:block;font-family:"Microsoft YaHei";font-size:14px;color:var(--navy);line-height:1.45}
.pr-week p{font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.6;color:var(--muted2);margin:4px 0 7px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.week-review{display:inline-flex;align-items:center;gap:4px;font-family:"Microsoft YaHei";font-size:9px;color:var(--gold);text-decoration:none;font-weight:700}
.week-review span{font-size:11px;transition:transform .2s}
.week-review:hover span{transform:translateX(2px)}
.week-review.muted{color:#B9B0A0;font-weight:400}
.week-days{display:inline-block;font-family:"Microsoft YaHei";font-size:8.5px;color:var(--muted2);margin-top:5px;letter-spacing:.2px}
.plan-row.complete .pr-week-top i{color:var(--green)}
.pt-review{display:flex;align-items:center;justify-content:center;min-height:96px;border:1px dashed #E3D9C8;border-radius:10px;background:#FBF8F0}
.review-btn{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;padding:7px 9px;border-radius:8px;transition:background .18s}
.review-btn:hover{background:#F6ECD9}
.review-btn b{font-family:"Microsoft YaHei";font-size:11px;color:var(--gold);letter-spacing:.5px}
.review-btn span{font-family:"Microsoft YaHei";font-size:8px;color:var(--muted2)}
.review-pending{font-family:"Microsoft YaHei";font-size:8.5px;line-height:1.55;color:#B4AA99;text-align:center}

.lesson-tile{
  position:relative;display:flex;flex-direction:column;align-items:stretch;text-align:left;
  min-height:96px;padding:9px 10px 8px;border:1px solid var(--line2);border-top:3px solid var(--tc);
  border-radius:10px;background:#FDFBF6;color:inherit;cursor:pointer;font-family:"Microsoft YaHei";
  transition:transform .18s,border-color .18s,box-shadow .18s,background .18s;overflow:hidden
}
.lesson-tile:hover{transform:translateY(-2px);border-color:#CFC3AE;box-shadow:0 9px 22px rgba(23,50,77,.09);background:#fff}
.lesson-tile.done{background:#F7FAF7;border-color:#D8E3DA;border-top-color:var(--green)}
.lesson-tile.done:hover{border-color:#BFD2C4}
.lesson-tile.next{background:#FFFCF3;border-color:#E5C88C;border-top-color:var(--gold);box-shadow:0 0 0 2px rgba(176,125,40,.07)}
.lesson-tile.planned{background:#FBF9F4;border-color:#EAE3D6;border-style:dashed;border-top-style:solid;border-top-color:#D4CCBE;opacity:.82}
.lesson-tile.planned:hover{opacity:1;border-color:#D8CBB5}
.lt-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:5px}
.lt-code{font-family:Georgia,serif;font-size:10px;letter-spacing:.6px;color:var(--tc);font-weight:700}
.lt-state{font-family:"Microsoft YaHei";font-size:8px;letter-spacing:.2px;color:var(--muted2);background:#F5F0E5;border-radius:999px;padding:2px 6px;white-space:nowrap}
.lesson-tile.done .lt-state{background:var(--green-bg);color:var(--green)}
.lesson-tile.next .lt-state{background:#F8ECD4;color:var(--gold)}
.lesson-tile.planned .lt-code{color:#A79D8B}
.lt-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12.5px;line-height:1.55;font-weight:700;color:var(--navy);letter-spacing:0}
.lesson-tile.planned .lt-title{color:#5A5B5B;font-weight:600}
.lt-meta{margin-top:auto;padding-top:7px;font-size:8.5px;line-height:1.4;color:#A39A8B;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lesson-tile.done .lt-meta{color:#7F9A87}

.plan-note{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;padding:18px 22px;background:#FBF7ED;border:1px solid var(--line);border-radius:14px}
.plan-note b{display:block;font-family:"Microsoft YaHei";font-size:13px;color:var(--navy);margin:2px 0 4px}
.plan-note p{font-family:"Microsoft YaHei";font-size:10.5px;line-height:1.7;color:var(--muted);margin:0}
.pn-k{font-family:"Microsoft YaHei";font-size:8.5px;letter-spacing:1.4px;color:var(--gold);font-weight:700}
.plan-note .btn{flex:0 0 auto;padding:8px 13px;font-size:11px;background:#fff}

.plan-modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.plan-modal.show{display:flex}
.pm-backdrop{position:absolute;inset:0;background:rgba(23,50,77,.35);backdrop-filter:blur(3px)}
.pm-card{position:relative;width:520px;max-width:100%;max-height:86vh;overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px 32px 26px;box-shadow:0 28px 80px rgba(23,50,77,.3);animation:pmIn .2s ease}
@keyframes pmIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
.pm-x{position:absolute;right:14px;top:12px;border:none;background:none;font-size:22px;line-height:1;color:var(--muted2);cursor:pointer;padding:3px 7px}
.pm-x:hover{color:var(--navy)}
.pm-k{font-family:"Microsoft YaHei";font-size:9px;letter-spacing:1.5px;color:var(--gold);font-weight:700}
.pm-card h3{font-size:23px;line-height:1.5;margin:7px 0 4px;color:var(--navy)}
.pm-sub{font-family:"Microsoft YaHei";font-size:10px;color:var(--muted2);margin:0 0 18px}
.pm-points{border-top:1px solid var(--line2);margin-bottom:16px}
.pm-point{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line2)}
.pm-point span{font-family:Georgia,serif;font-size:10px;color:var(--gold);padding-top:2px}
.pm-point p{font-size:13.5px;line-height:1.7;margin:0;color:#3D4652}
.pm-note{font-family:"Microsoft YaHei";font-size:10.5px;line-height:1.8;color:var(--muted);background:#F7F4EC;border-radius:9px;padding:10px 12px;margin-bottom:15px}
.pm-card>.btn{padding:7px 14px;font-size:11px}

/* ============================================================
   Review hub & cards
   ============================================================ */
.review-head{max-width:720px;margin:4px 0 24px}
.review-head h1{font-size:45px;margin:6px 0 8px;line-height:1.2}
.review-head p{font-size:15px;line-height:1.9;color:#505B68;margin:0}
.review-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;
  background:linear-gradient(128deg,#17324D,#1C3B58);color:#fff;border-radius:22px;padding:30px 36px;
  box-shadow:0 22px 50px rgba(23,50,77,.13)
}
.review-hero:after{content:"";position:absolute;right:-50px;bottom:-120px;width:300px;height:300px;border:1px solid rgba(217,179,108,.18);border-radius:50%}
.review-hero.clear{background:linear-gradient(128deg,#21463F,#2B574D)}
.rh-copy{position:relative;z-index:1;max-width:690px}
.rh-kicker{font-family:"Microsoft YaHei";font-size:8.5px;letter-spacing:2px;color:var(--gold2);font-weight:700}
.rh-copy h2{font-size:28px;line-height:1.35;color:#fff;margin:5px 0 7px}
.rh-copy p{font-family:"Microsoft YaHei";font-size:11px;line-height:1.8;color:#C8D6E1;margin:0 0 17px}
.rh-actions{display:flex;gap:9px;flex-wrap:wrap}
.review-hero .btn.ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22);color:#F7F1E5}
.review-hero .btn.ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.rh-count{position:relative;z-index:1;flex:0 0 150px;text-align:center;border-left:1px solid rgba(255,255,255,.17);padding-left:24px}
.rh-count b{display:block;font-family:Georgia,serif;font-size:57px;font-weight:400;line-height:1;color:#fff}
.rh-count span{display:block;font-family:"Microsoft YaHei";font-size:9.5px;color:#AFC1CF;margin-top:6px}
.rh-count i{display:inline-block;font-style:normal;font-family:"Microsoft YaHei";font-size:9px;color:var(--gold2);border:1px solid rgba(217,179,108,.35);border-radius:999px;padding:2px 8px;margin-top:10px}

.due-panel{margin:18px 0 34px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:4px 20px}
.sec-mini{display:flex;align-items:center;justify-content:space-between;padding:10px 0 7px;border-bottom:1px solid var(--line2);font-family:"Microsoft YaHei"}
.sec-mini span{font-size:9px;letter-spacing:1.4px;color:var(--gold);font-weight:700}
.sec-mini em{font-style:normal;font-size:9.5px;color:var(--muted2)}
.due-lesson{display:flex;align-items:center;gap:13px;padding:13px 0;border-bottom:1px dashed var(--line2)}
.due-lesson:last-child{border-bottom:none}
.due-track{flex:0 0 30px;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--tcbg);color:var(--tc);font-family:Georgia,serif;font-size:12px;font-weight:700}
.due-info{flex:1;min-width:0}
.due-info b{display:block;font-family:"Microsoft YaHei";font-size:12.5px;color:var(--navy);line-height:1.55}
.due-info span{display:block;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);margin-top:2px}
.due-status{flex:0 0 auto;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--gold);background:#FBF3E3;border-radius:999px;padding:3px 8px}

.review-schedule{margin-top:32px}
.schedule-count{font-family:"Microsoft YaHei";font-size:10px;color:var(--muted2);border:1px solid var(--line);border-radius:999px;padding:5px 10px;background:var(--paper)}
.schedule-list{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:4px 20px;box-shadow:0 10px 28px rgba(23,50,77,.04)}
.schedule-row{display:grid;grid-template-columns:66px 3px minmax(0,1fr) auto;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid var(--line2)}
.schedule-row:last-child{border-bottom:none}
.schedule-date{font-family:"Microsoft YaHei";font-size:10px;color:var(--muted);text-align:right;white-space:nowrap}
.schedule-line{height:24px;width:3px;border-radius:3px;background:var(--tc)}
.schedule-info b{display:block;font-family:"Microsoft YaHei";font-size:11.5px;line-height:1.55;color:var(--navy);font-weight:700}
.schedule-info span{display:block;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);margin-top:2px}
.schedule-go{border:1px solid var(--line);background:#fff;border-radius:7px;padding:4px 8px;font-family:"Microsoft YaHei";font-size:9px;color:var(--muted);cursor:pointer;white-space:nowrap}
.schedule-go:hover{border-color:var(--gold);color:var(--gold)}
.empty-schedule{font-family:"Microsoft YaHei";font-size:11px;color:var(--muted);line-height:1.8;background:var(--paper);border:1px dashed var(--line);border-radius:14px;padding:20px}

.curve-note{display:flex;align-items:flex-start;gap:18px;margin:28px 0 0;padding:18px 20px;background:#FBF7ED;border:1px solid var(--line);border-radius:14px}
.cn-mark{flex:0 0 auto;font-family:Georgia,serif;font-size:13px;letter-spacing:.5px;color:var(--gold);background:#fff;border:1px solid #E8D6B5;border-radius:9px;padding:9px 11px}
.curve-note b{display:block;font-family:"Microsoft YaHei";font-size:11px;color:var(--navy);margin-bottom:3px}
.curve-note p{font-family:"Microsoft YaHei";font-size:10px;line-height:1.8;color:var(--muted);margin:0}
.cn-done{flex:0 0 auto;align-self:center;font-family:"Microsoft YaHei";font-size:9px;color:var(--green);background:var(--green-bg);border-radius:999px;padding:4px 9px}

/* review deck */
.review-run{max-width:760px;margin:0 auto;padding-top:8px}
.rr-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:"Microsoft YaHei";font-size:10.5px;color:var(--muted2)}
.rr-exit{border:none;background:none;font-family:"Microsoft YaHei";font-size:10.5px;color:var(--muted);cursor:pointer;padding:4px 0}
.rr-exit:hover{color:var(--navy)}
.rr-progress{height:3px;background:#E9E1D1;border-radius:999px;overflow:hidden;margin:13px 0 0}
.rr-progress i{display:block;height:100%;background:var(--gold);transition:width .3s}
.review-card{
  position:relative;min-height:390px;display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:22px;padding:28px 34px 20px;margin:22px 0 16px;cursor:pointer;
  box-shadow:0 22px 55px rgba(23,50,77,.09);overflow:hidden;transition:background .2s,box-shadow .2s
}
.review-card:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--gold),#E0C28A,transparent)}
.review-card:hover{box-shadow:0 26px 60px rgba(23,50,77,.12)}
.review-card.revealed{background:#FEFCF6}
.rc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:"Microsoft YaHei";font-size:9px;color:var(--muted2);letter-spacing:.2px}
.track-chip{display:inline-flex;align-items:center;font-family:"Microsoft YaHei";font-size:9px;font-weight:700;color:var(--tc);background:var(--tcbg);border-radius:999px;padding:3px 8px;letter-spacing:0}
.rc-lesson{font-family:"Microsoft YaHei";font-size:12px;color:var(--muted);margin-top:16px;line-height:1.6}
.rc-rule{height:1px;background:var(--line2);margin:14px 0 0}
.rc-prompt{font-size:28px;line-height:1.65;color:var(--navy);margin:30px 0 12px;font-weight:700}
.rc-prompt b{font-family:Georgia,serif;color:var(--gold);font-weight:400;font-size:31px;margin:0 2px}
.rc-front-note{font-family:"Microsoft YaHei";font-size:10px;line-height:1.8;color:var(--muted2);max-width:520px}
.rc-label{font-family:"Microsoft YaHei";font-size:8.5px;letter-spacing:1.4px;color:var(--gold);font-weight:700;margin:26px 0 10px}
.rc-text{font-size:23px;line-height:1.85;color:var(--navy);letter-spacing:.1px}
.rc-source{font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);margin-top:17px}
.rc-hint{margin-top:auto;padding-top:20px;font-family:"Microsoft YaHei";font-size:9px;color:#B7AD9C;text-align:right}
.round-banner{margin-top:12px;background:#FBF3E3;border:1px solid #E8D6B5;border-radius:8px;padding:8px 11px;font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.7;color:#7A5A13}
.cloze-card{min-height:0;cursor:default;padding-bottom:15px}
.cloze-card .rc-hint{margin-top:14px;padding-top:0;text-align:left;line-height:1.7}
.cloze-text{font-size:22px;line-height:2.25;color:var(--navy);letter-spacing:.1px;margin:2px 0 4px;word-break:break-word}
.cloze-blank{display:inline-flex;align-items:baseline;gap:3px;vertical-align:baseline;margin:2px 3px;padding:1px 8px 2px;border:1px solid #DCC9A7;border-bottom:2px solid var(--gold);border-radius:7px;background:#FBF3E3;color:var(--navy);font-family:inherit;font-size:inherit;line-height:1.55;cursor:pointer;max-width:100%;text-align:left;transition:background .15s,box-shadow .15s,border-color .15s}
.cloze-blank i{font-style:normal;font-family:Georgia,serif;font-size:11px;color:var(--gold);line-height:1}
.cloze-blank span{overflow-wrap:anywhere}
.cloze-blank:hover{background:#FFF8E8;border-color:var(--gold2)}
.cloze-blank.active{background:#fff;box-shadow:0 0 0 3px rgba(176,125,40,.12);border-color:var(--gold)}
.cloze-blank.filled{background:#F5F0E3}
.cloze-blank.correct{background:var(--green-bg);border-color:#9FC7B4;border-bottom-color:var(--green);color:#245A3D}
.cloze-blank.wrong{background:var(--red-bg);border-color:#E4C2BB;border-bottom-color:var(--red);color:#8C3B30;text-decoration:line-through;text-decoration-thickness:1px}
.cloze-blank em{font-style:normal;font-family:"Microsoft YaHei";font-size:10px;margin-left:2px;color:var(--green)}
.cloze-blank.wrong em{color:var(--red)}
.cloze-panel{margin-top:17px;padding-top:14px;border-top:1px solid var(--line2)}
.cloze-panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-family:"Microsoft YaHei";margin-bottom:9px}
.cloze-panel-head span{font-size:10px;font-weight:700;color:var(--navy)}
.cloze-panel-head em{font-style:normal;font-size:9px;color:var(--muted2)}
.cloze-options{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.cloze-options button{display:flex;align-items:flex-start;gap:8px;text-align:left;border:1px solid var(--line2);background:#FCFAF4;border-radius:8px;padding:8px 10px;color:#3D4652;font-family:"Microsoft YaHei";font-size:11px;line-height:1.55;cursor:pointer;transition:background .15s,border-color .15s}
.cloze-options button:hover{border-color:#D6C9B2;background:#fff}
.cloze-options button.picked{background:#FFF8E8;border-color:var(--gold2)}
.cloze-options button i{font-style:normal;font-family:Georgia,serif;font-size:10px;color:var(--gold);padding-top:1px;flex:0 0 auto}
.cloze-progress{font-family:"Microsoft YaHei";font-size:9px;color:var(--muted2);margin-top:8px}
.cloze-ready{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:17px;padding-top:14px;border-top:1px solid var(--line2)}
.cloze-ready span{font-family:"Microsoft YaHei";font-size:10px;color:var(--muted)}
.cloze-ready .btn{padding:8px 15px;font-size:11px}
.cloze-result{margin-top:17px;padding-top:14px;border-top:1px solid var(--line2)}
.cr-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:"Microsoft YaHei";margin-bottom:8px}
.cr-head b{font-size:11px;color:var(--navy)}
.cr-head span{font-size:9px;color:var(--muted2)}
.cloze-result.has-wrong .cr-head b{color:var(--red)}
.cr-list{border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.cr-row{display:grid;grid-template-columns:20px minmax(80px,1fr) minmax(0,1.35fr);align-items:baseline;gap:8px;padding:7px 10px;border-bottom:1px solid var(--line2);font-family:"Microsoft YaHei";font-size:10px;background:#fff}
.cr-row:last-child{border-bottom:none}
.cr-row>span{font-family:Georgia,serif;color:var(--muted2);font-size:9px}
.cr-row b{font-size:10.5px;color:var(--navy);font-weight:700}
.cr-row em{font-style:normal;color:var(--muted);line-height:1.5;overflow-wrap:anywhere}
.cr-row.bad{background:#FFF9F7}
.cr-row.bad b{color:var(--red)}
.cr-row.ok b{color:var(--green)}
.cr-reset{margin-top:9px;padding:7px 9px;border-radius:7px;background:#FBF3E3;border:1px solid #E8D6B5;font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.65;color:#7A5A13}
.cr-reset.preview{background:#F2F6FA;border-color:#DCE6EF;color:#4F6A80}
.cr-next{margin-top:12px;padding:8px 16px;font-size:11px}
.rr-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.rr-actions .btn{min-width:118px}
.rr-note{text-align:center;font-family:"Microsoft YaHei";font-size:9.5px;color:var(--muted2);line-height:1.7;margin:12px 0 0}

.review-finish{max-width:720px;margin:16px auto 0;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:42px 46px;text-align:center;box-shadow:0 22px 55px rgba(23,50,77,.08)}
.rf-mark{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:var(--green-bg);border:1px solid #C9DDD0;color:var(--green);font-family:Georgia,serif;font-size:25px}
.review-finish h2{font-size:30px;margin:7px 0 9px;color:var(--navy)}
.review-finish>p{font-size:14px;line-height:1.9;color:#56616D;max-width:540px;margin:0 auto 22px}
.rf-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 auto 22px;max-width:480px}
.rf-stats div{background:#F8F4EA;border-radius:10px;padding:11px 8px}
.rf-stats b{display:block;font-family:Georgia,serif;font-size:23px;font-weight:400;color:var(--navy);line-height:1.1}
.rf-stats span{display:block;font-family:"Microsoft YaHei";font-size:9px;color:var(--muted2);margin-top:4px}
.weak-box{text-align:left;border:1px solid var(--line);border-radius:12px;padding:5px 15px;margin:0 0 20px;background:#FCFAF4}
.weak-head{display:flex;justify-content:space-between;gap:10px;padding:9px 0 6px;font-family:"Microsoft YaHei";font-size:10px;color:var(--navy);border-bottom:1px solid var(--line2)}
.weak-head span{color:var(--gold)}
.weak-item{display:flex;align-items:center;gap:9px;padding:9px 0;border-bottom:1px dashed var(--line2);text-decoration:none}
.weak-item:last-child{border-bottom:none}
.weak-item b{flex:1;font-family:"Microsoft YaHei";font-size:10.5px;color:var(--navy);font-weight:600;line-height:1.55}
.weak-item>span:last-child{font-family:"Microsoft YaHei";font-size:9px;color:var(--gold);white-space:nowrap}
.rf-actions{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}
.rf-foot{font-family:"Microsoft YaHei";font-size:9.5px;line-height:1.7;color:var(--muted2);margin:16px 0 0}

@media(max-width:980px){
  .plan-hero{grid-template-columns:1fr;padding:36px 34px 30px}
  .ph-side{flex-direction:row;justify-content:flex-start;gap:18px}
  .progress-ring{width:112px;height:112px}
  .pr-inner{inset:10px}
  .pr-inner b{font-size:31px}
  .pr-inner span{font-size:8px;margin-top:4px}
  .ph-count{flex-direction:column;align-items:flex-start;gap:0}
  .today-card{flex-direction:column;align-items:stretch;gap:13px;margin:-18px 0 0}
  .tc-date{flex:0 0 auto;border-right:none;border-bottom:1px solid var(--line2);padding:0 0 10px;display:flex;align-items:baseline;gap:9px}
  .tc-date span{margin:0}
  .tc-date b{font-size:11.5px}
  .tc-flow{gap:8px}
  .plan-stats{grid-template-columns:1fr 1fr}
  .pt-head{display:none}
  .plan-row{grid-template-columns:1fr 1fr;gap:8px;padding:14px 16px;border-top:1px solid var(--line)}
  .pr-week{grid-column:1/-1;padding:0 0 3px}
  .pt-review{grid-column:1/-1;min-height:52px;padding:6px}
  .pr-week-top{justify-content:flex-start;gap:9px;margin-bottom:3px}
  .pr-week> b{display:inline;font-size:14px}
  .pr-week p{display:inline;margin-left:8px}
  .week-review,.week-review.muted{display:inline-flex;margin-top:4px}
  .lesson-tile{min-height:0;padding:10px 12px}
  .lt-title{-webkit-line-clamp:2}
  .review-hero{padding:26px 26px}
  .rh-count{flex-basis:120px;padding-left:18px}
  .rh-count b{font-size:46px}
}

@media(max-width:720px){
  main.page-plan,main.page-review{padding:18px 14px calc(70px + env(safe-area-inset-bottom,0px))}
  .plan-hero{padding:28px 22px 24px;border-radius:18px}
  .plan-hero h1{font-size:36px}
  .ph-lead{font-size:13.5px;line-height:1.85;margin-bottom:19px}
  .ph-actions{gap:8px}
  .ph-actions .btn{font-size:11.5px;padding:9px 13px}
  .ph-side{gap:13px}
  .progress-ring{width:92px;height:92px}
  .pr-inner{inset:8px}
  .pr-inner b{font-size:26px}
  .pr-inner span{font-size:7.5px;letter-spacing:.6px}
  .ph-count b{font-size:17px}
  .ph-count span{font-size:9px}
  .ph-foot{gap:10px;margin-top:17px;font-size:9px}
  .today-card{margin:14px 0 0;padding:14px;border-radius:14px}
  .tc-flow{flex-direction:column;align-items:stretch;gap:7px}
  .tc-step{align-items:flex-start}
  .tc-line{width:1px;height:12px;margin-left:14px}
  .tc-line:after{right:-2px;top:auto;bottom:0;transform:rotate(135deg)}
  .tc-info p{white-space:normal}
  .tc-btn{margin-left:auto}
  .tc-lock,.tc-ok{font-size:8.5px}
  .plan-stats{gap:8px;margin:16px 0 27px}
  .stat{padding:12px 13px}
  .stat b{font-size:23px}
  .stat em{font-size:8.5px}
  .sec-head{margin-bottom:11px}
  .sec-head h2{font-size:22px}
  .sec-head p{font-size:9.5px}
  .plan-legend{display:none}
  .plan-table{border-radius:14px}
  .plan-row{padding:13px 12px}
  .pr-week p{display:block;margin:3px 0 2px}
  .plan-note{flex-direction:column;align-items:flex-start;gap:11px;padding:15px 16px}
  .plan-note .btn{align-self:stretch}
  .plan-modal{padding:14px}
  .pm-card{padding:24px 20px 20px;border-radius:16px}
  .pm-card h3{font-size:19px}
  .review-head{margin-bottom:17px}
  .review-head h1{font-size:34px}
  .review-head p{font-size:13px;line-height:1.8}
  .review-hero{flex-direction:column;align-items:flex-start;gap:17px;padding:23px 20px;border-radius:18px}
  .rh-copy h2{font-size:23px}
  .rh-count{flex:none;display:flex;align-items:baseline;gap:8px;border-left:none;border-top:1px solid rgba(255,255,255,.17);padding:12px 0 0;width:100%;text-align:left}
  .rh-count b{font-size:34px}
  .rh-count span{margin:0}
  .rh-count i{margin:0 0 0 auto}
  .due-panel{padding:4px 15px;margin-bottom:26px}
  .due-info b{font-size:11.5px}
  .due-status{font-size:8.5px}
  .schedule-row{grid-template-columns:54px 3px minmax(0,1fr);gap:9px;padding:11px 0}
  .schedule-go{grid-column:2/4;justify-self:start;margin-top:2px}
  .schedule-date{font-size:9px}
  .curve-note{flex-wrap:wrap;gap:11px;padding:14px 15px}
  .cn-mark{font-size:11px;padding:7px 9px}
  .cn-done{margin-left:auto}
  .review-run{padding-top:0}
  .review-card{min-height:340px;padding:22px 20px 16px;margin:15px 0 13px;border-radius:17px}
  .rc-lesson{font-size:11px;margin-top:12px}
  .rc-prompt{font-size:22px;margin:23px 0 10px;line-height:1.65}
  .rc-text{font-size:19px;line-height:1.85}
  .rc-label{margin-top:20px}
  .rr-actions .btn{flex:1;min-width:0;padding:9px 10px;font-size:11px}
  .review-finish{padding:29px 21px;border-radius:17px}
  .review-finish h2{font-size:25px}
  .review-finish>p{font-size:12.5px}
  .rf-stats{grid-template-columns:1fr;max-width:240px}
  .rf-actions{flex-direction:column}
  .rf-actions .btn{width:100%}
  .weak-item b{font-size:9.5px}
  .case.fav-item,.drill.fav-item{padding-right:112px}
  .note-item-btn{right:56px;padding:3px 6px;font-size:9px}
  .item-note{padding:9px 10px}
  .cloze-card{min-height:0;padding:20px 16px 14px}
  .cloze-text{font-size:18px;line-height:2.15}
  .cloze-blank{padding:0 5px 1px;margin:1px 2px}
  .cloze-blank i{font-size:9px}
  .cloze-options{grid-template-columns:1fr}
  .cloze-options button{font-size:10.5px;padding:8px 9px}
  .cloze-ready{align-items:stretch}
  .cloze-ready .btn{width:100%}
  .cr-row{grid-template-columns:18px minmax(0,1fr);row-gap:2px;padding:7px 9px}
  .cr-row em{grid-column:2;font-size:9px}
  .cr-row b{font-size:10px}
}