.admin{min-height:100vh;background:#f5f6f8;color:#1c2330}.admin-bar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#1c2330;color:#fff}.admin-brand{color:#fff;font-weight:600;font-size:17px;text-decoration:none}.admin-logout{background:transparent;border:1px solid #4a5670;color:#cdd6e6;padding:5px 14px;border-radius:6px;cursor:pointer}.admin-logout:hover{background:#2a3346}.admin-main{max-width:980px;margin:0 auto;padding:24px}.admin-page{display:flex;flex-direction:column;gap:16px}.admin-head{display:flex;align-items:center;justify-content:space-between}.admin-head h2{margin:0;font-size:20px}.admin-sub,.admin-back{font-weight:400;font-size:14px;color:#6b7686}.admin-back{text-decoration:none}.admin-back:hover{color:#2563eb}.admin-primary{background:#2563eb;color:#fff;border:none;padding:8px 16px;border-radius:7px;cursor:pointer;font-size:14px}.admin-primary:hover{background:#1d4ed8}.admin-primary:disabled{background:#9db4e6;cursor:not-allowed}.card{background:#fff;border:1px solid #e3e7ee;border-radius:10px;padding:18px}.admin-form{display:flex;flex-direction:column;gap:12px}.admin-form h3{margin:0 0 4px;font-size:16px}.admin-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#4b5563}.admin-form input,.admin-form textarea,.admin-form select{font:inherit;padding:8px 10px;border:1px solid #cfd6e0;border-radius:7px;background:#fff;color:#1c2330}.admin-form textarea{resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}.admin-form-row{display:flex;gap:12px}.admin-form-row label{flex:1}.admin-check{flex-direction:row!important;align-items:center;gap:8px!important}.admin-check input{width:auto}.admin-form-actions{display:flex;gap:10px;margin-top:4px}.admin-form-actions button:not(.admin-primary){background:#eef1f5;border:1px solid #d6dce4;padding:8px 16px;border-radius:7px;cursor:pointer}.admin-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e3e7ee;border-radius:10px;overflow:hidden}.admin-table th,.admin-table td{text-align:left;padding:11px 14px;border-bottom:1px solid #eef1f5;font-size:14px}.admin-table th{background:#fafbfc;color:#6b7686;font-weight:500}.admin-table tr:last-child td{border-bottom:none}.admin-link{color:#2563eb;text-decoration:none;font-weight:500}.admin-link:hover{text-decoration:underline}.admin-ops{display:flex;gap:8px}.admin-ops a,.admin-ops button{font-size:13px;padding:4px 10px;border-radius:6px;border:1px solid #d6dce4;background:#fff;color:#374151;cursor:pointer;text-decoration:none}.admin-ops a:hover,.admin-ops button:hover{background:#f1f4f8}.admin-danger{color:#dc2626!important;border-color:#f0c4c4!important}.admin-danger:hover{background:#fdf0f0!important}.admin-tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:#eef1f5;color:#5b6675;margin-right:4px}.admin-tag.on{background:#def5e6;color:#1a7f44}.admin-empty{padding:40px;text-align:center;color:#9aa3b2;background:#fff;border:1px dashed #dde2ea;border-radius:10px}.admin-qlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.admin-qrow{background:#fff;border:1px solid #e3e7ee;border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}.admin-qmeta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.admin-qseq{font-weight:600}.admin-qtype,.admin-qdiff{font-size:12px;color:#6b7686;background:#f1f4f8;padding:2px 8px;border-radius:6px}.admin-qstem{font-size:14px;color:#374151;font-family:ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap}.admin-qrow .admin-ops{margin-top:4px}.qedit .qedit-area{gap:6px}.qedit-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#4b5563}.qedit-up{background:#eef1f5;border:1px solid #d6dce4;padding:3px 10px;border-radius:6px;cursor:pointer;font-size:12px}.qedit-up:hover{background:#e2e7ee}.qedit-options{display:flex;flex-direction:column;gap:6px}.qedit-opt{display:flex;align-items:center;gap:10px}.qedit-opt b{width:18px;color:#2563eb}.qedit-opt input{flex:1}.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1c2330}.admin-login-card{background:#fff;border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:14px;box-shadow:0 12px 40px #0000004d}.admin-login-card h1{margin:0 0 6px;font-size:20px;text-align:center}.admin-login-card input{font:inherit;padding:10px 12px;border:1px solid #cfd6e0;border-radius:8px}.admin-login-card button{background:#2563eb;color:#fff;border:none;padding:11px;border-radius:8px;cursor:pointer;font-size:15px}.admin-login-card button:disabled{background:#9db4e6;cursor:not-allowed}.admin-err{color:#dc2626;font-size:13px;text-align:center}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #f6f7f9;--card: #ffffff;--ink: #1c2330;--muted: #6b7280;--line: #e7e9ee;--accent: #2563eb;--up: #16a34a;--down: #dc2626;--flat: #9aa1ad;--shadow: 0 1px 3px rgba(20, 30, 50, .06), 0 1px 2px rgba(20, 30, 50, .04)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,Segoe UI,Microsoft YaHei,system-ui,sans-serif}.app{max-width:none;margin:0;padding:0 28px 60px}.topbar{display:flex;align-items:center;gap:24px;padding:16px 0 14px;border-bottom:1px solid var(--line);margin-bottom:22px;position:sticky;top:0;background:var(--bg);z-index:10}.brand{font-size:20px;font-weight:800;letter-spacing:-.3px}.brand span{font-size:12px;font-weight:500;color:var(--muted);margin-left:8px}.topbar nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}.topbar nav a{text-decoration:none;color:var(--muted);padding:7px 14px;border-radius:8px;font-weight:600}.topbar nav a.active{color:var(--accent);background:#e8f1fd}.topbar nav a:hover{color:var(--ink)}.tagline{margin-left:auto;color:var(--muted);font-size:12px}.loading{padding:60px;text-align:center;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.card h2{margin:0 0 14px;font-size:15px;display:flex;align-items:baseline;gap:10px}.card h2 small{font-weight:500;color:var(--muted);font-size:12px}.grid2{display:grid;grid-template-columns:1.35fr 1fr;gap:16px;margin-bottom:16px}.col{display:flex;flex-direction:column;gap:16px}@media (max-width: 900px){.grid2{grid-template-columns:1fr}}.tabs{display:flex;align-items:center;gap:8px;margin-bottom:16px}.tab{border:1px solid var(--line);background:#fff;padding:7px 18px;border-radius:999px;cursor:pointer;font-weight:600;color:var(--muted)}.tab.on{background:var(--accent);color:#fff;border-color:var(--accent)}.years-hint{margin-left:8px;color:var(--muted);font-size:12px}.kp-rank{list-style:none;margin:0;padding:0;counter-reset:r}.kp-rank li{display:grid;grid-template-columns:42px 58px 1fr auto;align-items:center;gap:10px;padding:7px 0;border-top:1px solid var(--line)}.kp-rank li:first-child{border-top:none}.score{font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent)}.kp-name{font-weight:600}.kp-name em{display:block;font-style:normal;font-size:11px;color:var(--muted);font-weight:400}.badge{font-size:11px;padding:2px 7px;border-radius:6px;font-weight:700;white-space:nowrap;text-align:center}.badge.up{color:var(--up);background:#e8f6ee}.badge.down{color:var(--down);background:#fdeaea}.badge.flat{color:var(--flat);background:#f0f1f4}.spark{display:block}.spark-wrap{color:var(--flat)}.spark-wrap.up{color:var(--up)}.spark-wrap.down{color:var(--down)}.spark circle{fill:currentColor}.mini-list{list-style:none;margin:0;padding:0}.mini-list li{display:grid;grid-template-columns:28px 1fr auto auto;align-items:center;gap:8px;padding:5px 0;border-top:1px solid var(--line)}.mini-list li:first-child{border-top:none}.m-kp{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.m-delta{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted)}.share-row{display:grid;grid-template-columns:110px 1fr 40px;align-items:end;gap:10px;margin-bottom:12px}.share-name{font-size:13px;color:var(--muted)}.bars{display:flex;align-items:flex-end;gap:3px;height:44px}.bars i{flex:1;background:var(--accent);opacity:.75;border-radius:2px 2px 0 0;min-height:2px}.share-total{font-weight:700;text-align:right;font-variant-numeric:tabular-nums}.diff{display:flex;align-items:flex-end;gap:14px;height:90px;padding:0 6px;margin-bottom:14px}.diff-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px}.diff-col i{width:34px;background:linear-gradient(var(--accent),#93b4f7);border-radius:4px 4px 0 0}.diff-c{font-size:12px;font-weight:700}.diff-d{font-size:11px;color:var(--muted)}.methods{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:12px;background:#f0f1f4;border-radius:7px;padding:3px 9px}.chip b{color:var(--accent);margin-left:5px;font-variant-numeric:tabular-nums}.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px}.filters select,.filters input{border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:#fff;font:inherit;color:var(--ink);max-width:220px}.filters select.wide{max-width:260px}.filters input{min-width:180px}.filters .count{margin-left:auto;color:var(--muted);font-weight:600}.qlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.qcard{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}.qhead{display:flex;align-items:center;gap:10px;font-size:12px;margin-bottom:10px}.qsrc{font-weight:700}.qtype{color:var(--muted)}.qdiff{margin-left:auto;color:var(--muted)}.qdiff.d4,.qdiff.d5{color:var(--down);font-weight:700}.qfig{color:var(--accent)}.qstem{margin-bottom:10px}.q-img{max-width:100%;display:block;margin:8px 0;border-radius:6px;border:1px solid #e3e7ee}.qopts{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;margin-bottom:10px}.opt{display:flex;gap:8px}.opt b{color:var(--accent)}.qtags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.tag{font-size:11px;padding:2px 8px;border-radius:6px}.tag.kp{background:#eef0fe;color:#4338ca}.tag.kp.main{font-weight:700}.tag.method{background:#eafaf1;color:#15803d}.reveal{margin-top:6px;border:1px solid var(--line);background:#fafbfc;border-radius:8px;padding:5px 14px;cursor:pointer;color:var(--muted);font-weight:600}.reveal:hover{color:var(--accent);border-color:var(--accent)}.qanswer{margin-top:10px;padding:10px 12px;background:#fafbfc;border-radius:8px;border:1px solid var(--line)}.qanswer .skill{margin-top:8px;color:var(--muted);font-size:13px}.sol-ans{font-size:15px}.sol-ans b{color:var(--accent)}.sol-body{margin-top:8px;line-height:1.75}.sol-body .md{font-size:14px}.sol-body .sol-h{display:inline-block;font-weight:700;color:var(--accent);margin:4px 0 2px}.sol-body .katex-display{margin:8px 0;overflow-x:auto;overflow-y:hidden}.sol-wrong{margin-top:10px;padding-top:8px;border-top:1px dashed var(--line)}.sol-wrong>b,.sol-pit>b,.sol-key>b{display:inline-block;font-size:13px;color:var(--muted);margin-bottom:4px}.sol-wrong .wo{display:flex;gap:8px;margin:3px 0;font-size:13.5px;line-height:1.6;align-items:baseline}.sol-wrong .wo-k{flex:none;width:20px;height:20px;border-radius:50%;background:#fde8e8;color:#c0392b;font-weight:700;text-align:center;line-height:20px;font-size:12px}.sol-pit{margin-top:10px}.sol-pit ul{margin:2px 0 0;padding-left:20px}.sol-pit li{font-size:13.5px;line-height:1.6;margin:2px 0;color:#555}.sol-key{margin-top:10px;padding:7px 10px;background:#f3f6ff;border-left:3px solid var(--accent);border-radius:4px;font-size:13.5px}.sol-figures{margin-top:12px}.sol-figures-h{display:inline-block;font-size:13px;color:var(--muted);margin-bottom:6px}.sol-figure{width:100%;max-width:420px;margin:6px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.sol-figure-frame{width:100%;aspect-ratio:1 / 1;border:none;display:block}.qkgfig{color:#b45309;font-weight:600}.sol-kgfig{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line)}.sol-kgfig-h{display:inline-block;font-size:13px;color:#b45309;font-weight:700;margin-bottom:6px}.kgfig-item{margin:4px 0}.kgfig-toggle{display:flex;align-items:center;gap:6px;width:100%;text-align:left;border:1px solid var(--line);background:#fffbeb;border-radius:8px;padding:7px 12px;cursor:pointer;font-weight:600;color:#92400e;font-size:13.5px}.kgfig-toggle:hover{border-color:#f59e0b}.kgfig-n{margin-left:auto;font-size:11px;font-weight:400;color:var(--muted)}.kgfig-embed{max-width:420px;margin:6px 0}.kgfig-title{font-size:12px;color:var(--muted);margin:6px 0 2px}.more{display:block;margin:20px auto 0;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 24px;cursor:pointer;font-weight:600;color:var(--accent)}.more:hover{background:#eef0fe}.mark{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px}.mark.ok{color:var(--up);background:#e8f6ee}.mark.no{color:var(--down);background:#fdeaea}.qopts.choice{display:flex;flex-direction:column;gap:6px}.opt.pick{text-align:left;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer;font:inherit;color:var(--ink);display:flex;gap:8px;align-items:baseline}.opt.pick:hover:not(:disabled){border-color:var(--accent);background:#f7f8ff}.opt.pick:disabled{cursor:default}.opt.pick.correct{border-color:var(--up);background:#eafaf1}.opt.pick.wrong{border-color:var(--down);background:#fdeaea}.qactions{display:flex;align-items:center;gap:14px;margin-top:6px}.selfmark{color:var(--muted);font-size:12px}.sm{border:1px solid var(--line);background:#fff;border-radius:7px;padding:3px 10px;margin-left:6px;cursor:pointer;font:inherit}.sm.ok:hover{color:var(--up);border-color:var(--up)}.sm.no:hover{color:var(--down);border-color:var(--down)}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);text-align:center}.stat .n{display:block;font-size:30px;font-weight:800;color:var(--accent)}.stat .l{color:var(--muted);font-size:12px}.empty{background:var(--card);border:1px dashed var(--line);border-radius:14px;padding:36px;text-align:center;color:var(--muted)}.weak-row{display:grid;grid-template-columns:1fr 160px 48px;align-items:center;gap:12px;padding:6px 0;border-top:1px solid var(--line)}.weak-row:first-child{border-top:none}.weak-kp{font-size:13px}.weak-bar{background:#eef0f3;border-radius:6px;height:10px;overflow:hidden}.weak-bar i{display:block;height:100%;border-radius:6px}.weak-bar i.lo{background:var(--down)}.weak-bar i.mid{background:#d97706}.weak-bar i.hi{background:var(--up)}.weak-num{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted);text-align:right}.wrong-list{list-style:none;margin:0;padding:0}.wrong-item{padding:12px 0;border-top:1px solid var(--line)}.wrong-item:first-child{border-top:none}.wmeta{font-size:12px;color:var(--muted);margin-bottom:4px}.wans{margin-top:6px;color:var(--muted);font-size:13px}.progress .card{margin-bottom:16px}.nav-sep{width:1px;height:18px;background:var(--line);margin:0 4px;align-self:center}a.kp-name{text-decoration:none;color:var(--ink)}a.kp-name:hover{color:var(--accent)}a.m-kp{text-decoration:none;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}a.m-kp:hover{color:var(--accent)}.sw{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:4px;vertical-align:-1px}.sw.calc,.cell.calc{background:#dbe7ff}.sw.linalg,.cell.linalg{background:#ece0fb}.sw.prob,.cell.prob{background:#d6f3ec}.legend{display:inline-flex;align-items:center;gap:14px;margin-left:10px;font-size:12px;color:var(--muted)}.legend .leg{display:inline-flex;align-items:center}.legend-hint{color:var(--muted)}.matrix-wrap{overflow-x:auto}.matrix-grid{border-collapse:separate;border-spacing:3px}.matrix-grid th{font-size:12px;color:var(--muted);font-weight:600}.matrix-grid th.corner{font-size:11px}.matrix-grid th.rowh{text-align:right;padding-right:4px}.matrix-grid td{width:40px;height:30px;text-align:center;border-radius:6px;font-size:12px;font-variant-numeric:tabular-nums}.matrix-grid td.empty{background:#f3f4f6}.matrix-grid td.cell{cursor:pointer;color:#25324a;font-weight:600}.matrix-grid td.cell:hover{outline:2px solid var(--accent)}.matrix-grid td.cell.sel{outline:2px solid var(--ink)}.cell-detail{margin-top:16px}.cross-intro p{margin:0;color:var(--muted)}.cross-list{list-style:none;margin:0;padding:0}.cross-item{border-top:1px solid var(--line)}.cross-item:first-child{border-top:none}.ci-head{display:grid;grid-template-columns:52px 64px 64px 70px 1fr 20px;align-items:center;gap:10px;padding:9px 0;cursor:pointer}.ci-head:hover{color:var(--accent)}.ci-year{font-weight:700;font-variant-numeric:tabular-nums}.ci-idx,.ci-type{font-size:12px;color:var(--muted)}.ci-kp{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ci-toggle{text-align:center;color:var(--muted);font-weight:700}.ci-body{padding:4px 0 14px}.kp-picker{display:flex;align-items:center;gap:12px;margin-bottom:16px}.kp-picker input{border:1px solid var(--line);border-radius:10px;padding:10px 14px;font:inherit;min-width:360px}.kp-count{color:var(--muted);font-weight:600}.kp-overview h2{font-size:18px}.kp-meta{display:flex;flex-direction:column;gap:12px}.tag.depth{background:#fff4e5;color:#b45309;margin-left:4px}.kp-papers{display:flex;flex-direction:column;gap:6px}.kp-paper{display:grid;grid-template-columns:70px 64px 1fr auto;align-items:center;gap:10px}.pp-name{font-weight:600}.pp-score{color:var(--muted);font-size:12px}.kp-qlist,.wrong-list{list-style:none;margin:0;padding:0}.kp-q{padding:12px 0;border-top:1px solid var(--line)}.kp-q:first-child{border-top:none}.kq-meta{font-size:12px;color:var(--muted);margin-bottom:4px}.review-head p{margin:0;color:var(--muted)}.qcard.judged{opacity:.7}.ans-fold summary{cursor:pointer;color:var(--accent);font-weight:600}.ans-fold .qanswer{margin-top:8px}.page-title{font-size:16px;margin:0 0 16px;display:flex;align-items:baseline;gap:10px}.page-title small{font-weight:500;color:var(--muted);font-size:12px}.star{margin-left:auto;border:none;background:none;cursor:pointer;font-size:18px;color:#c8ccd4;line-height:1;padding:0 2px}.star.on{color:#f5a623}.fav-toggle{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--muted);cursor:pointer}.note-edit{width:100%;min-height:64px;margin-top:10px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;resize:vertical}.heatmap{display:flex;gap:3px;overflow-x:auto;padding-bottom:4px}.hm-col{display:flex;flex-direction:column;gap:3px}.hm-cell{width:11px;height:11px;border-radius:2px;background:#ebedf0}.hm-cell.l1{background:#c6e7d0}.hm-cell.l2{background:#67c184}.hm-cell.l3{background:#2f9e54}.mastery,.weak{display:flex;flex-direction:column;gap:8px}.mastery-row{display:grid;grid-template-columns:110px 1fr 48px;align-items:center;gap:12px}.mr-name{font-size:13px;color:var(--muted)}.chap-list{display:flex;flex-direction:column;gap:8px}.chap-row{display:grid;grid-template-columns:220px 120px 44px 56px 1fr;align-items:center;gap:10px;padding:5px 0;border-top:1px solid var(--line)}.chap-row:first-child{border-top:none}.chap-name{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chap-bar{background:#eef0f3;border-radius:6px;height:10px;overflow:hidden}.chap-bar i{display:block;height:100%;border-radius:6px}.chap-bar i.calc{background:#6f8fe0}.chap-bar i.linalg{background:#a98fe0}.chap-bar i.prob{background:#4fc0a8}.chap-num,.chap-diff{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.chap-kps{display:flex;flex-wrap:wrap;gap:5px}.chap-kps .tag.kp{text-decoration:none}.chap-kps .tag.kp b{margin-left:4px;color:var(--accent)}a.tag.kp{text-decoration:none}.kpi-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:16px}.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}.kpi .kn{display:block;font-size:28px;font-weight:800;color:var(--accent)}.kpi .kn i{font-size:16px;font-style:normal;margin-left:1px}.kpi .kl{font-size:12px;color:var(--muted)}.kpi .kl em{font-style:normal;margin-left:6px;opacity:.7}@media (max-width: 860px){.kpi-row{grid-template-columns:repeat(2,1fr)}}.cov-bar{background:#eef0f3;border-radius:8px;height:14px;overflow:hidden}.cov-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#8b86f0);border-radius:8px}.bands{display:flex;flex-direction:column;gap:12px}.band{border-left:4px solid var(--line);padding:4px 0 4px 12px}.band.b1{border-color:#dc2626}.band.b2{border-color:#ea580c}.band.b3{border-color:#ca8a04}.band.b4{border-color:var(--flat)}.band-head{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}.band-name{font-weight:700}.band-hint{font-size:12px;color:var(--muted)}.band-n{margin-left:auto;font-weight:700;color:var(--accent)}.band-kps{display:flex;flex-wrap:wrap;gap:6px}.band-kps .tag.kp{text-decoration:none}.band-kps .tag.kp b{margin-left:4px;color:var(--accent)}.muted-note{color:var(--muted);font-size:12px}.miss-note{color:var(--muted);font-size:13px;margin:0 0 12px}.miss-list{display:flex;flex-wrap:wrap;gap:6px;max-height:320px;overflow-y:auto}.tag.miss{background:#f3f4f6;color:#6b7280}.panorama .pano-search{border:1px solid var(--line);border-radius:8px;padding:6px 10px;font:inherit;margin-left:8px}.pano-wrap{overflow-x:auto}.pano-grid{border-collapse:collapse;width:100%;font-size:12px}.pano-grid th{color:var(--muted);font-weight:600;padding:4px 6px;position:sticky;top:0;background:var(--bg)}.pano-grid th.pano-kphead{text-align:left}.pano-grid td{text-align:center;padding:0}.pano-part td{background:#eef0fe;color:#3730a3;font-weight:700;padding:6px 8px;text-align:left}.pano-chap td{background:#f6f7f9;color:var(--muted);padding:4px 8px 4px 16px;text-align:left;font-size:11px}.pano-kp{text-align:left!important;padding:4px 8px!important;max-width:360px}.pano-kp a{text-decoration:none;color:var(--ink)}.pano-kp a:hover{color:var(--accent)}.pano-miss .pano-kp a{color:#b6bcc6}.pcell{width:34px;height:24px;border:1px solid #fff;color:#25324a;font-weight:600}.pcell.l0{background:#f3f4f6}.pcell.l1{background:#cfe0ff}.pcell.l2{background:#8fb4f4}.pcell.l3{background:#5b8def;color:#fff}.pano-tot{font-weight:700;color:var(--accent);padding:0 6px}a.brand{text-decoration:none;color:var(--ink)}.hero{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;border-radius:18px;padding:40px 36px;margin-bottom:24px}.hero h1{margin:0 0 10px;font-size:30px;font-weight:800;letter-spacing:-.5px}.hero h1 span{opacity:.85}.hero p{margin:0 0 20px;opacity:.9;font-size:14px}.hero-cta{display:flex;flex-wrap:wrap;gap:10px}.cta{text-decoration:none;padding:10px 20px;border-radius:10px;font-weight:700;font-size:14px}.cta.primary{background:#fff;color:var(--accent)}.cta:not(.primary){background:#ffffff29;color:#fff}.cta.warn{background:#fbbf24;color:#4a3000}.cta.ghost{background:#ffffff1a}.hub-group{margin-bottom:26px}.hub-group h2{font-size:15px;margin:0 0 12px;display:flex;align-items:baseline;gap:10px}.hub-group h2 small{color:var(--muted);font-weight:500;font-size:12px}.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.hub-card{display:flex;flex-direction:column;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;box-shadow:var(--shadow);border-left:3px solid var(--accent)}.hub-card.study{border-left-color:#4fc0a8}.hub-card:hover{transform:translateY(-1px);border-color:var(--accent)}.hc-name{font-weight:700;color:var(--ink)}.hc-desc{font-size:12px;color:var(--muted)}.rot-filters{display:inline-flex;gap:4px;margin-left:10px}.rf{border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 12px;cursor:pointer;font:inherit;font-size:12px;color:var(--muted)}.rf.on{background:var(--ink);color:#fff;border-color:var(--ink)}.rot-yearhead,.rot-row{display:grid;grid-template-columns:260px 1fr 120px;align-items:center;gap:10px}.rot-yearhead{color:var(--muted);font-size:11px;padding-bottom:6px;border-bottom:1px solid var(--line);margin-bottom:4px}.rot-list{max-height:70vh;overflow-y:auto}.rot-row{padding:3px 0;border-bottom:1px solid #f1f2f5}.rot-kp{font-size:13px;text-decoration:none;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rot-kp:hover{color:var(--accent)}.rot-cells{display:flex;gap:2px}.rot-cells i{width:26px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-style:normal;border-radius:3px;color:#25324a}.rc.l0{background:#f3f4f6}.rc.l1{background:#cfe0ff}.rc.l2{background:#8fb4f4}.rc.l3{background:#5b8def;color:#fff}.rot-tag{display:flex;gap:6px;align-items:center}.badge.back{background:#fff4e5;color:#b45309}.star-stage{display:grid;grid-template-columns:1fr 240px;gap:16px;align-items:start}@media (max-width: 820px){.star-stage{grid-template-columns:1fr}}.star-svg{width:100%;background:radial-gradient(circle at 50% 45%,#1a2348,#0b1024 70%);border-radius:16px}.bgstar{fill:#fff;opacity:.25}.star-node{cursor:pointer;transition:r .1s}.star-root{fill:#fff;font-size:14px;font-weight:700}.star-part{font-size:12px;font-weight:700;opacity:.9}.star-info{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);position:sticky;top:80px}.si-kp{font-weight:700;font-size:15px;margin-bottom:6px}.si-meta{font-size:13px;color:var(--ink);margin-bottom:8px}.si-hint{font-size:12px;color:var(--muted)}.katex{font-size:1.02em}.qopts .katex,.qtags .katex{font-size:.98em}.tag .katex,.kp-name .katex,.m-kp .katex,.rot-kp .katex,.pano-kp .katex,.weak-kp .katex,.band-kps .katex,.chap-kps .katex{font-size:.92em}.login-btn{border:1px solid var(--accent);color:#fff;background:var(--accent);padding:7px 16px;border-radius:8px;font-weight:700;cursor:pointer;font-size:14px}.login-btn:hover{filter:brightness(1.05)}.login-btn.lg{padding:10px 26px;font-size:15px}.user-chip{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;font-size:13px}.logout-btn{border:1px solid var(--line);background:var(--card);color:var(--muted);padding:4px 10px;border-radius:7px;cursor:pointer;font-size:12px}.logout-btn:hover{color:var(--down);border-color:var(--down)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#12182673;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:28px 30px;position:relative}.modal-close{position:absolute;top:10px;right:14px;border:none;background:none;font-size:24px;line-height:1;color:var(--muted);cursor:pointer}.login-modal{width:340px;text-align:center}.login-modal h3{margin:0 0 4px;font-size:20px}.login-sub{color:var(--muted);font-size:13px;margin:0 0 18px}.login-qr{width:160px;height:160px;margin:0 auto 16px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.login-qr img{width:100%;height:100%;object-fit:contain}.qr-fallback{color:var(--muted);font-size:13px;line-height:1.5}.qr-fallback small{display:block;margin-top:6px;font-size:11px;opacity:.8}.login-steps{text-align:left;margin:0 0 10px;padding-left:20px;color:var(--ink);font-size:13px;line-height:1.7}.login-code{font-size:34px;font-weight:800;letter-spacing:6px;color:var(--accent);margin:6px 0 4px;font-variant-numeric:tabular-nums}.login-code .dim{color:var(--flat);letter-spacing:4px}.login-code .expired{font-size:18px;letter-spacing:0;color:var(--down);font-weight:700}.login-hint{color:var(--muted);font-size:12px;margin:6px 0 0}.login-refresh{margin-top:10px;border:1px solid var(--accent);background:var(--card);color:var(--accent);padding:7px 18px;border-radius:8px;font-weight:700;cursor:pointer}.need-login{text-align:center;padding:70px 20px}.need-login-title{font-size:17px;color:var(--ink);font-weight:700;margin:0 0 16px}.need-login .dim{color:var(--muted);font-size:13px;margin-top:16px}