:root{--ink:#163149;--ink2:#294b61;--paper:#f7f9f8;--white:#fff;--line:#d7e0df;--muted:#647581;--teal:#167e78;--mint:#dff1ec;--blue:#4d739e;--blue-bg:#e8eff6;--orange:#ae6529;--orange-bg:#fff0e1;--red:#b2494c;--red-bg:#fde9e8;--shadow:0 16px 36px rgba(15,41,56,.055);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:3px solid #e4a756;outline-offset:3px}h1,h2,h3,p{margin-top:0}.eyebrow{font:700 11px/1.4 ui-monospace,SFMono-Regular,monospace;letter-spacing:.14em;color:var(--teal)}.app-shell{max-width:1600px;margin:auto}.topbar{min-height:88px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 38px;background:var(--ink);color:#fff}.brand{display:flex;align-items:center;gap:15px}.brand-mark{width:57px;height:57px;border:1px solid #6c929c;border-radius:15px;display:flex;align-items:center;justify-content:center;font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:19px;font-weight:bold;white-space:nowrap}.brand-mark span{font:700 12px ui-monospace,SFMono-Regular,monospace;color:#6ee0c7;margin-left:2px}.brand strong{display:block;font-size:17px;letter-spacing:.02em}.brand small{display:block;color:#a8c1c5;font-size:12px;margin-top:2px}.top-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}.exam-date{font-size:13px;color:#bdd4d5;margin-right:10px}.ghost{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:10px 16px;font-weight:600}.ghost:hover{background:#f1f7f5;text-decoration:none}.topbar .ghost{background:transparent;color:#fff;border-color:#647c88}.topbar .ghost:hover{background:#274657}.small{font-size:12px;padding:8px 11px}.file-label{display:inline-block;cursor:pointer}.layout{display:grid;grid-template-columns:280px minmax(0,1fr);align-items:start}.rail{position:sticky;top:0;min-height:calc(100vh - 88px);padding:30px 20px 35px 30px;border-right:1px solid var(--line);background:#f0f5f3}.rail-heading{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:18px}.rail-heading h2{font:700 25px/1.2 "Songti SC","Noto Serif CJK SC",serif;margin:5px 0 0}.rail-progress{font:700 12px ui-monospace,SFMono-Regular,monospace;color:var(--teal);white-space:nowrap}.day-list{display:grid;gap:7px}.day-link{width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:13px;padding:11px 12px;display:grid;grid-template-columns:34px 1fr 16px;align-items:center;gap:9px;color:var(--ink)}.day-link:hover{background:#e7f0ee}.day-link.active{background:#fff;border-color:#cbdad6;box-shadow:0 5px 16px rgba(20,55,65,.06)}.day-link .num{font:700 15px ui-monospace,SFMono-Regular,monospace;color:var(--teal)}.day-link .name{font-size:13px;font-weight:700;line-height:1.3}.day-link .date{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:3px}.day-link .check{color:var(--teal);font-weight:bold}.day-link .weak{color:var(--orange)}.rail-note{margin-top:24px;padding:17px;background:#dcece8;border-radius:13px}.rail-note strong{font-size:13px}.rail-note p{font-size:12px;color:#3e5a5e;margin:6px 0 0}.main-content{padding:30px 38px 70px;max-width:1110px;width:100%;margin:auto}.hero{background:var(--ink);color:#fff;border-radius:20px;padding:30px 34px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-45px;top:-100px;width:360px;height:360px;border:1px solid rgba(130,220,204,.21);border-radius:50%;box-shadow:0 0 0 54px rgba(130,220,204,.035),0 0 0 108px rgba(130,220,204,.025);pointer-events:none}.hero-top,.hero-footer{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px}.hero .eyebrow{color:#79d7c8}.hero h1{position:relative;z-index:1;font:700 clamp(28px,3vw,42px)/1.2 "Songti SC","Noto Serif CJK SC",serif;margin:22px 0 9px}.hero p{position:relative;z-index:1;color:#d3e2e4;font-size:15px;margin-bottom:26px}.status-pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 11px;font-size:12px;color:#d9eeeb}.discipline-key{display:flex;gap:18px;color:#d5e2e3;font-size:12px}.discipline-key span{display:flex;align-items:center;gap:7px}.dot{width:9px;height:9px;display:inline-block;border-radius:50%}.dot.knowledge{background:#81a7d2}.dot.case{background:#6dd4c3}.dot.essay{background:#f6b370}.hero-controls{display:flex;gap:17px}.text-btn{border:none;background:none;color:#c4e3df;padding:3px 0;font-size:12px}.text-btn:hover{color:#fff;text-decoration:underline}.section{margin-top:25px;background:#fff;border:1px solid #e1e8e6;border-radius:18px;padding:26px 30px;box-shadow:var(--shadow)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}.section-head h2{font:700 24px/1.25 "Songti SC","Noto Serif CJK SC",serif;margin:4px 0 0}.section-meta{font-size:12px;color:var(--muted);text-align:right}.blocks{display:grid;gap:10px}.block{border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:13px;align-items:center;padding:14px 15px;background:#fff}.block.done{background:#f1f8f5;border-color:#c2dfd4}.block-check{width:24px;height:24px;border:2px solid #9ab3b3;border-radius:8px;appearance:none;margin:0;display:grid;place-items:center;cursor:pointer}.block-check:checked{background:var(--teal);border-color:var(--teal)}.block-check:checked:after{content:"✓";color:white;font-weight:bold;font-size:16px}.block-title{display:flex;gap:8px;align-items:center;font-size:14px;font-weight:700}.block-title .tag{font:700 11px ui-monospace,SFMono-Regular,monospace;color:var(--teal);background:var(--mint);padding:3px 7px;border-radius:5px}.block-title .tag.case{background:var(--blue-bg);color:var(--blue)}.block-title .tag.essay{background:var(--orange-bg);color:var(--orange)}.block p{font-size:12px;color:var(--muted);margin:4px 0 0}.timer-set{border:none;background:#edf4f2;border-radius:8px;padding:7px 10px;color:var(--ink2);font-size:12px;white-space:nowrap}.timer-set:hover{background:#dcece8}.timer-bar{margin-top:14px;background:#eef5f3;border-radius:12px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:15px}.timer-bar .eyebrow{display:block;font-size:10px}.timer-bar strong{display:block;font:700 27px/1.1 ui-monospace,SFMono-Regular,monospace;margin:3px 0}.timer-bar small{display:block;color:var(--muted);font-size:11px}.primary{border:1px solid var(--teal);background:var(--teal);color:#fff;border-radius:10px;padding:10px 17px;font-size:13px;font-weight:700}.primary:hover{background:#0f6b67;text-decoration:none}.link-button{display:inline-block}.question{padding:16px 0;border-top:1px solid var(--line)}.question:first-child{border-top:0;padding-top:2px}.question strong{display:block;font-size:14px;margin-bottom:10px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:8px}.choice{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line);border-radius:9px;padding:9px 10px;font-size:13px;cursor:pointer}.choice:hover{background:#f6faf9}.choice input{accent-color:var(--teal);margin-top:4px}.choice.correct{border-color:#95cdbb;background:#e7f5ef}.choice.wrong{border-color:#e6aea5;background:#fff0ed}.explanation{font-size:12px;color:#365a58;background:#eef6f3;border-left:3px solid var(--teal);padding:8px 11px;margin:9px 0 0}.section-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:17px}.helper{font-size:12px;color:var(--muted);margin:17px 0 0}.exercise-name{font-size:17px;margin-bottom:7px}.case-brief{font-size:14px;color:#3d5761;line-height:1.8}.field-label{display:flex;justify-content:space-between;font-size:12px;font-weight:700;color:var(--ink2);margin:16px 0 7px}textarea{display:block;width:100%;resize:vertical;border:1px solid #bfcfcd;border-radius:10px;padding:12px 14px;color:var(--ink);background:#fcfefd;line-height:1.7;font-size:14px}textarea:focus{outline:3px solid #b9e1d8;border-color:var(--teal)}.autosave{font-size:12px;color:var(--muted)}.answer-panel{margin-top:16px;background:#f0f7f4;border-radius:11px;padding:14px 20px}.answer-panel strong{font-size:13px}.answer-panel li{font-size:13px;margin-top:7px}.tip{border-left:3px solid #e4a15e;background:#fff7ed;padding:10px 14px;color:#79522c;font-size:13px}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.resource-grid a{border:1px solid var(--line);border-radius:12px;padding:15px;display:flex;flex-direction:column;min-height:96px}.resource-grid a:hover{border-color:var(--teal);background:#f7fbf9;text-decoration:none}.resource-grid strong{font-size:13px}.resource-grid span{font-size:11px;color:var(--muted);margin-top:7px}.toast{position:fixed;right:24px;bottom:24px;background:var(--ink);color:#fff;padding:12px 17px;border-radius:9px;box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none;z-index:20}.toast.show{opacity:1;transform:translateY(0)}.print-plan{display:none}
@media(max-width:980px){.layout{display:block}.rail{position:static;min-height:0;padding:18px;border-right:0;border-bottom:1px solid var(--line)}.rail-heading{margin-bottom:8px}.day-list{display:flex;overflow-x:auto;gap:6px;padding-bottom:5px}.day-link{flex:0 0 145px;grid-template-columns:25px 1fr 10px;padding:8px 9px}.rail-note{display:none}.main-content{padding:22px 18px 55px}.topbar{padding:14px 18px}.exam-date{display:none}}
@media(max-width:650px){.topbar{align-items:flex-start;flex-direction:column;gap:14px}.top-actions{justify-content:flex-start}.hero{padding:23px 21px}.hero p{font-size:14px}.hero-footer{align-items:flex-start;flex-direction:column}.section{padding:20px 17px}.section-head h2{font-size:21px}.block{grid-template-columns:25px minmax(0,1fr);gap:9px}.timer-set{grid-column:2;justify-self:start}.choices{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr}.section-head{align-items:flex-start}.section-meta{max-width:110px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.toast{transition:none}}
@media print{body{background:#fff;color:#000;font-family:"Songti SC",serif}.app-shell,.toast{display:none!important}.print-plan{display:block!important;padding:0 14mm}.print-plan h1{font-size:20pt;margin:0 0 5mm}.print-plan p{font-size:10pt}.print-plan table{width:100%;border-collapse:collapse;font-size:9pt}.print-plan th,.print-plan td{border:1px solid #777;padding:3mm;vertical-align:top}.print-plan th{background:#eee}.print-plan .page{page-break-inside:avoid}}