/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.block{display:block}.flex{display:flex}.hidden{display:none}.table{display:table}.resize{resize:both}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#19362f;--muted:#6b7d77;--green:#0c6b57;--green2:#e0f1e9;--cream:#f5f3ec;--paper:#fffef9;--line:#deddd5;--orange:#e86f3d}*{box-sizing:border-box}html{background:var(--cream)}body{color:var(--ink);background:radial-gradient(circle at 80% 0,#e3eee8 0,transparent 35%),var(--cream);margin:0;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif}button{font:inherit}.shell{grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{color:#fff;z-index:2;background:#123f35;flex-direction:column;height:100vh;padding:28px 22px 20px;display:flex;position:sticky;top:0;box-shadow:8px 0 30px #14362d18}.brand{align-items:center;gap:13px;margin:0 8px 18px;display:flex}.brand-mark{color:#173f35;background:#f4b85d;border-radius:13px 13px 13px 4px;place-items:center;width:43px;height:43px;font:800 24px serif;display:grid}.brand strong{letter-spacing:2px;font-size:19px;display:block}.brand small{color:#bcd2ca;font-size:12px}.subject-switcher{border-bottom:1px solid #ffffff1c;gap:7px;margin-bottom:15px;padding-bottom:15px;display:grid}.subject-switcher button{color:#c9ddd6;text-align:left;cursor:pointer;background:#ffffff08;border:1px solid #ffffff18;border-radius:11px;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:9px;width:100%;min-width:0;padding:9px 10px;transition:all .16s;display:grid}.subject-switcher button:hover{background:#ffffff10;border-color:#ffffff35}.subject-switcher button>span{background:#ffffff12;border-radius:8px;place-items:center;width:30px;height:30px;font-weight:800;display:grid}.subject-switcher button>b{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.subject-switcher button>small{color:#92afa5;white-space:nowrap;font-size:10px}.subject-switcher button.active{color:#173f35;background:#f7f3e9;border-color:#f7f3e9;box-shadow:0 5px 16px #092d251f}.subject-switcher button.active>span{color:#173f35;background:#f4b85d}.subject-switcher button.active>small{color:#557269}.view-tabs{gap:6px;display:grid}.view-tabs button{color:#cee0da;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:11px;padding:11px 12px;display:flex}.view-tabs button span{border:1px solid #ffffff2d;border-radius:8px;place-items:center;width:26px;height:26px;font-weight:700;display:grid}.view-tabs button.active{color:#fff;background:#ffffff15}.view-tabs button.active span{color:#173f35;background:#f4b85d;border-color:#f4b85d}.chapter-title{color:#91afa5;letter-spacing:2px;justify-content:space-between;margin:28px 7px 10px;font-size:12px;display:flex}.chapter-title small{letter-spacing:0}.chapter-list{min-height:0;margin-right:-9px;padding-right:9px;overflow:auto}.chapter-row{color:#bed2cc;border-radius:9px;align-items:center;display:flex}.chapter-row+.chapter-row{margin-top:1px}.chapter-select,.chapter-reset{color:inherit;cursor:pointer;background:0 0;border:0}.chapter-select{text-align:left;flex:1;justify-content:space-between;align-items:center;gap:8px;min-width:0;padding:10px 5px 10px 10px;display:flex}.chapter-select span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.chapter-select em{opacity:.65;font-size:11px;font-style:normal}.chapter-reset{opacity:.38;border-radius:8px;flex:0 0 33px;height:33px;font-size:18px;line-height:1}.chapter-row:hover .chapter-reset,.chapter-reset:focus-visible{opacity:1;background:#ffffff12}.chapter-row.chosen{color:#164438;background:#f7f3e9;font-weight:700}.chapter-row.chosen .chapter-reset:hover{background:#16443814}.source-note{color:#8eaaa1;border-top:1px solid #ffffff1c;margin-top:auto;padding:15px 7px 0;font-size:11px;line-height:1.6}.content{width:min(1040px,100% - 56px);margin:0 auto;padding:42px 0 30px}.topbar{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:30px;display:flex}.eyebrow{color:var(--orange);letter-spacing:2px;font-size:12px;font-weight:700}.topbar h1{margin:5px 0 0;font:700 30px/1.2 Microsoft YaHei,sans-serif}.stats{gap:10px;display:flex}.stats div{border-left:1px solid #cdd7d2;min-width:88px;padding-left:16px}.stats strong{font-size:22px;display:block}.stats span{color:var(--muted);font-size:11px}.progress-row{margin-bottom:15px}.progress-label{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:9px;font-size:13px;display:flex}.progress-label>div{align-items:center;gap:14px;display:flex}.progress-label strong{color:var(--ink)}.current-reset{color:#537067;cursor:pointer;background:#e7ede9;border:0;border-radius:7px;padding:5px 9px;font-size:11px}.current-reset:hover{color:var(--green);background:#d8e5df}.progress-track{background:#dce2de;border-radius:99px;height:5px;overflow:hidden}.progress-track i{background:linear-gradient(90deg,var(--green),#3ba984);height:100%;transition:width .35s;display:block}.resume-button{color:#fff;cursor:pointer;background:#08785e;border:1px solid #08785e;border-radius:9px;padding:7px 11px;font-size:12px;font-weight:700;transition:all .16s;box-shadow:0 5px 14px #08785e2b}.resume-button:hover{background:#056c54;transform:translateY(-1px)}.resume-button small{color:#ccece3;margin-left:6px;font-size:10px;font-weight:500}.record-toggle{color:#49685e;cursor:pointer;background:#fffef9;border:1px solid #c9d7d1;border-radius:8px;padding:6px 10px;font-size:11px;font-weight:700}.record-toggle:hover,.record-toggle.open{color:var(--green);background:#edf7f3;border-color:#78a99a}.question-record{background:#fffef9;border:1px solid #d9ded9;border-radius:14px;margin-top:12px;padding:15px;box-shadow:0 10px 30px #213c3310}.record-heading{justify-content:space-between;align-items:center;gap:14px;margin-bottom:12px;display:flex}.record-heading>strong{font-size:13px}.record-legend{color:#71817b;align-items:center;gap:12px;font-size:11px;display:flex}.record-legend span{align-items:center;gap:5px;display:flex}.record-legend i{background:#fff;border:1px solid #d3d9d5;border-radius:3px;width:12px;height:12px}.record-legend i.completed{background:#d7dcda;border-color:#c7ceca}.record-legend i.incorrect{background:#e7654e;border-color:#d6533d}.record-grid{grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:7px;max-height:260px;padding:3px 4px 5px 3px;display:grid;overflow:auto}.record-grid button{color:#41564f;cursor:pointer;background:#fff;border:1px solid #d6dcd8;border-radius:7px;min-width:38px;height:36px;font-size:11px;font-weight:700;transition:all .14s}.record-grid button:hover{border-color:#5d9b88;transform:translateY(-1px)}.record-grid button.completed{color:#66746f;background:#d7dcda;border-color:#c6ceca}.record-grid button.incorrect{color:#fff;background:#e7654e;border-color:#d6533d}.record-grid button.current{outline-offset:1px;outline:3px solid #f0ad43}.question-stage{position:relative}.question-card{background:var(--paper);border:1px solid #e3e0d8;border-radius:22px;overflow:hidden;box-shadow:0 18px 60px #223e3412}.card-heading{border-bottom:1px solid #ebe8e0;justify-content:space-between;align-items:center;gap:20px;min-height:68px;padding:17px 25px;display:flex}.badges{align-items:center;gap:9px;min-width:0;display:flex}.type-badge{background:var(--green2);color:var(--green);white-space:nowrap;border-radius:7px;padding:6px 10px;font-size:12px;font-weight:700}.section-badge{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.favorite{color:#a7afab;cursor:pointer;white-space:nowrap;background:0 0;border:0}.favorite.on{color:#e19a2e}.favorite span{font-size:12px}.scan-images{background:#fff}.scan-images img{width:100%;height:auto;display:block}.question-scan{padding:12px 19px 0}.question-scan img{border-radius:8px}.answer-panel{border-top:1px dashed #d9ded9;margin:5px 25px 24px;padding-top:18px}.answer-panel p{justify-content:space-between;margin:0 0 13px;font-size:13px;font-weight:700;display:flex}.answer-panel p small{color:#9aa5a1;font-weight:400}.options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.options button{color:#52635d;cursor:pointer;text-align:left;background:#fff;border:1px solid #d7ddd9;border-radius:10px;align-items:center;gap:10px;min-height:58px;padding:10px 12px;font-size:13px;line-height:1.45;transition:all .15s;display:flex;position:relative}.options button span{color:#213b34;background:#edf0ee;border-radius:7px;flex:0 0 28px;place-items:center;height:28px;font-weight:800;display:grid}.options button b{color:inherit;flex:1;font-weight:500}.options button em{background:#ffffffa8;border-radius:5px;flex:none;padding:3px 6px;font-size:11px;font-style:normal;font-weight:700}.options button:hover:not(:disabled){border-color:#78a99a;transform:translateY(-1px)}.options button.picked{border-color:var(--green);color:var(--green);background:#edf8f3}.options button.picked span{color:#fff;background:var(--green)}.options button.right{color:#177052;background:#e8f7f0;border-color:#2a9c75}.options button.wrong{color:#b64a30;background:#fff0ec;border-color:#e67357}.options button.wrong span{color:#fff;background:#d8583b}.case-panel{border-top:1px dashed #d9ded9;gap:12px;margin:5px 25px 24px;padding-top:18px;display:grid}.case-panel>div{justify-content:space-between;align-items:center;gap:15px;display:flex}.case-panel strong{font-size:13px}.case-panel small{color:#899993;font-size:11px}.case-panel textarea{resize:vertical;width:100%;min-height:150px;color:var(--ink);background:#fff;border:1px solid #d5ddd8;border-radius:11px;outline:none;padding:14px 16px;line-height:1.7}.case-panel textarea:focus{border-color:#68a390;box-shadow:0 0 0 3px #0c6b5712}.case-panel textarea:disabled{color:#52635d;background:#f6f6f2}.case-panel>button{color:#fff;background:var(--green);cursor:pointer;border:0;border-radius:10px;justify-self:end;padding:11px 17px;font-weight:700;box-shadow:0 7px 18px #0c6b5730}.case-panel>button:disabled{opacity:.5;cursor:not-allowed}.result{border:1px solid;border-radius:14px;margin:0 25px 24px;padding:20px}.result.success{background:#edf8f3;border-color:#bddfce}.result.failure{background:#fff2ed;border-color:#efc3b6}.result-title{align-items:center;gap:12px;margin-bottom:16px;display:flex}.result-title>span{color:#fff;background:var(--green);border-radius:50%;place-items:center;width:34px;height:34px;font-size:22px;display:grid}.failure .result-title>span{background:#d95c3e}.result-title strong{display:block}.result-title p{color:#64736e;margin:3px 0 0;font-size:12px}.answer-scan{border:1px solid #fff;border-radius:9px;overflow:hidden}.result.reference{background:#f2f6f3;border-color:#cbdad3}.result.reference .result-title>span{background:#557a6d;font-size:14px;font-weight:800}.side-nav{z-index:10;width:68px;height:108px;color:var(--green);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;background:#fffdf8e8;border:1px solid #d5ded9;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;transition:all .18s;display:flex;position:fixed;top:50%;transform:translateY(-50%);box-shadow:0 12px 36px #173d3220}.side-nav:hover:not(:disabled){background:#fff;transform:translateY(-50%)scale(1.04);box-shadow:0 16px 40px #173d3230}.side-nav span{font-size:25px;line-height:1}.side-nav small{writing-mode:vertical-rl;letter-spacing:2px;font-size:12px;font-weight:700}.side-nav:disabled{opacity:.3;cursor:not-allowed;box-shadow:none}.side-prev{left:calc(50vw - 454px)}.side-next{right:calc(50vw - 734px)}.actions{border-top:1px solid #ebe8e0;justify-content:space-between;padding:19px 25px;display:none}.actions button{cursor:pointer;border-radius:10px;min-width:118px;height:43px}.actions button:disabled{opacity:.4;cursor:not-allowed}.secondary{color:#5f706a;background:#fff;border:1px solid #d8ddd9}.primary{color:#fff;background:var(--green);border:0;font-weight:700;box-shadow:0 7px 18px #0c6b5730}.empty{background:var(--paper);text-align:center;border:1px solid #e3e0d8;border-radius:22px;place-content:center;min-height:390px;display:grid}.empty>span{background:var(--green2);width:52px;height:52px;color:var(--green);border-radius:50%;place-items:center;margin:auto;font-size:25px;display:grid}.empty h2{margin:16px 0 6px}.empty p,.autosave{color:#89958f;font-size:12px}.autosave{text-align:center}@media (width<=1480px){.side-nav{display:none}.actions{display:flex}}@media (width<=820px){.shell{display:block}.sidebar{height:auto;padding:18px;position:relative}.brand{margin-bottom:14px}.subject-switcher{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:10px;padding-bottom:13px}.subject-switcher button{grid-template-columns:28px minmax(0,1fr);padding:8px}.subject-switcher button>span{width:28px;height:28px}.subject-switcher button>small{display:none}.view-tabs{grid-template-columns:repeat(3,1fr)}.view-tabs button{justify-content:center}.chapter-title,.chapter-list,.source-note{display:none}.content{width:calc(100% - 24px);padding:22px 0}.topbar{align-items:flex-start}.stats div:nth-child(3){display:none}.question-card{border-radius:15px}}@media (width<=560px){.subject-switcher button{grid-template-columns:25px minmax(0,1fr);gap:5px;padding:7px 5px}.subject-switcher button>span{width:25px;height:25px}.subject-switcher button>b{font-size:12px}.view-tabs button{font-size:0}.view-tabs button span{font-size:13px}.topbar{display:block}.topbar h1{font-size:23px}.stats{margin-top:18px}.stats div{flex:1}.progress-label{align-items:flex-start;gap:8px}.progress-label>div{flex-wrap:wrap;justify-content:flex-end;gap:6px}.resume-button{padding:6px 8px}.resume-button small{display:none}.record-toggle,.current-reset{padding:5px 7px}.question-record{padding:12px 9px}.record-heading{flex-direction:column;align-items:flex-start;gap:8px}.record-legend{gap:9px}.record-grid{grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;max-height:230px}.record-grid button{min-width:34px;height:34px}.card-heading,.actions{padding-left:15px;padding-right:15px}.question-scan{padding-left:6px;padding-right:6px}.answer-panel,.case-panel,.result{margin-left:14px;margin-right:14px}.answer-panel p small,.case-panel small{display:none}.options{grid-template-columns:1fr}.case-panel textarea{min-height:130px}.actions button{min-width:105px}.section-badge{max-width:190px}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
