/*! 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}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.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:#112c3c;--navy:#12344a;--teal:#137c80;--teal-dark:#0d666a;--gold:#d4a63c;--paper:#f5f2eb;--cream:#fbfaf6;--muted:#64747d;--line:#d9dfdc;--white:#fff;--danger:#b8483f;--success:#24745d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);margin:0;font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #137c8047}.loading-screen{text-align:center;background:var(--paper);min-height:100vh;color:var(--navy);place-content:center;gap:18px;display:grid}.loading-mark{background:var(--navy);color:#fff;border-radius:24px;place-items:center;width:78px;height:78px;margin:auto;font-size:22px;font-weight:900;display:grid;box-shadow:0 14px 38px #12344a33}.site-header{z-index:10;background:#fbfaf6f0;border-bottom:1px solid #112c3c1f;justify-content:space-between;align-items:center;height:82px;padding:0 clamp(24px,5vw,76px);display:flex;position:relative}.brand{align-items:center;gap:13px;display:flex}.brand>span{color:#fff;background:var(--navy);letter-spacing:-.05em;border-radius:14px 5px;place-items:center;width:48px;height:48px;font-weight:900;display:grid}.brand div{gap:1px;display:grid}.brand strong{letter-spacing:.02em;font-size:16px}.brand small{color:var(--muted);text-transform:uppercase;letter-spacing:.16em;font-size:10px}.header-actions{align-items:center;gap:10px;display:flex}.local-badge,.offline-badge{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:8px 12px;font-size:12px}.offline-badge{color:#8a6300;background:#fff5d9;border-color:#efd691}.install-button,.text-button{color:var(--teal-dark);background:0 0;border:0;font-weight:800}.hero{background:linear-gradient(130deg,#f8f6f0 0%,#f4f1e8 58%,#e9f0ed 100%);grid-template-columns:minmax(0,1.05fr) minmax(380px,.75fr);align-items:center;gap:clamp(55px,9vw,140px);min-height:620px;padding:76px clamp(24px,7vw,110px) 72px;display:grid;position:relative;overflow:hidden}.hero:before{content:"";border:1px solid #137c8026;border-radius:50%;width:420px;height:420px;position:absolute;top:-190px;right:-160px;box-shadow:0 0 0 80px #137c8009,0 0 0 160px #137c8006}.hero-copy{z-index:2;max-width:720px;position:relative}.eyebrow{color:var(--teal-dark);letter-spacing:.17em;text-transform:uppercase;margin:0 0 16px;font-size:12px;font-weight:900}.hero h1{color:var(--navy);letter-spacing:-.045em;margin:0;font-family:Georgia,Noto Serif SC,serif;font-size:clamp(44px,5.3vw,76px);line-height:1.12}.hero h1 em{color:var(--teal);font-style:normal}.hero-intro{color:#52656e;max-width:590px;margin:28px 0 0;font-size:17px;line-height:1.85}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.primary,.secondary{border:1px solid #0000;border-radius:10px;min-height:44px;padding:0 22px;font-weight:800;transition:all .18s}.primary{background:var(--teal);color:#fff;box-shadow:0 8px 22px #137c802e}.primary:hover{background:var(--teal-dark);transform:translateY(-1px)}.secondary{color:var(--navy);background:0 0;border-color:#bfc9c7}.secondary:hover{border-color:var(--teal);color:var(--teal-dark)}.large{min-height:54px;padding:0 26px}.primary.large span{padding-left:12px}.official-toggle{color:var(--muted);cursor:pointer;align-items:center;gap:10px;margin-top:20px;font-size:13px;display:flex}.official-toggle input{width:17px;height:17px;accent-color:var(--teal)}.exam-card{color:#fff;background:var(--navy);border-radius:8px 34px;min-height:410px;padding:30px;position:relative;overflow:hidden;box-shadow:0 30px 80px #12344a42}.exam-card:after{content:"";border:1px solid #ffffff24;border-radius:50%;width:280px;height:280px;position:absolute;bottom:-140px;right:-120px;box-shadow:0 0 0 50px #ffffff09,0 0 0 100px #ffffff05}.card-top{color:#c8d7dc;letter-spacing:.15em;text-transform:uppercase;justify-content:space-between;font-size:11px;display:flex}.card-top b{color:var(--gold)}.card-title{gap:8px;margin-top:62px;display:grid}.card-title small{color:#b8cacd}.card-title strong{letter-spacing:.04em;font-family:Georgia,Noto Serif SC,serif;font-size:42px}.card-stats{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:45px;display:grid}.card-stats div{border-top:1px solid #fff3;gap:4px;padding-top:16px;display:grid}.card-stats b{color:#fff;font-size:27px}.card-stats span{color:#a9bec4;font-size:11px}.card-rule{max-width:80%;margin-top:34px}.card-rule span{color:var(--gold);letter-spacing:.1em;font-size:11px;font-weight:900}.card-rule p{color:#b8c9cd;margin:7px 0 0;font-size:12px;line-height:1.6}.seal{width:64px;height:64px;color:var(--gold);border:1px solid #d4a63c8c;border-radius:50%;place-items:center;font:700 21px Georgia,serif;display:grid;position:absolute;top:72px;right:27px}.bank-strip{background:var(--navy);color:#fff;grid-template-columns:repeat(4,1fr);padding:28px clamp(24px,7vw,110px);display:grid}.bank-strip>div{border-right:1px solid #ffffff24;gap:4px;padding:2px 28px;display:grid}.bank-strip>div:first-child{padding-left:0}.bank-strip>div:last-child{border-right:0}.bank-strip small{color:#9fb4bb}.bank-strip strong{color:#fff;font:700 30px Georgia,serif}.bank-strip span{color:#d0dadd;font-size:12px}.feature-section,.chapter-results,.wrong-section{padding:84px clamp(24px,7vw,110px)}.section-heading{justify-content:space-between;align-items:end;gap:40px;display:flex}.section-heading h2{color:var(--navy);margin:0;font-family:Georgia,Noto Serif SC,serif;font-size:clamp(30px,3vw,42px)}.section-heading>p{max-width:470px;color:var(--muted);margin:0;line-height:1.7}.feature-grid{grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px;display:grid}.feature-grid article{border:1px solid var(--line);background:#fff;border-radius:4px 20px;min-height:220px;padding:26px}.feature-grid article>span{color:var(--gold);font:700 14px Georgia,serif}.feature-grid h3{color:var(--navy);margin:50px 0 10px;font-size:19px}.feature-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.75}footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:20px;padding:28px clamp(24px,7vw,110px);font-size:12px;display:flex}.exam-layout{background:#eef1ef;min-height:100vh}.exam-header{background:var(--navy);color:#fff;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px;height:78px;padding:0 30px;display:grid}.brand-button{color:#fff;background:0 0;border:0;align-items:center;gap:12px;width:max-content;display:flex}.brand-button span{background:var(--teal);border-radius:11px 4px;place-items:center;width:40px;height:40px;font-weight:900;display:grid}.brand-button strong{font-size:16px}.timer{text-align:center;gap:2px;display:grid}.timer small{color:#9fb5bc;letter-spacing:.1em;font-size:10px}.timer strong{letter-spacing:.06em;font:700 25px ui-monospace,SFMono-Regular,Consolas,monospace}.timer.urgent strong{color:#ffb3aa}.exam-progress{color:#c3d0d4;text-align:right;justify-self:end;gap:7px;min-width:170px;font-size:12px;display:grid}.exam-progress>div{background:#ffffff29;border-radius:99px;height:4px;overflow:hidden}.exam-progress i{background:var(--gold);height:100%;display:block}.exam-body{grid-template-columns:minmax(0,1fr) 330px;gap:22px;max-width:1500px;margin:auto;padding:28px;display:grid}.question-panel,.answer-sheet{background:#fff;border:1px solid #dfe4e2;border-radius:5px 20px}.question-panel{flex-direction:column;min-height:calc(100vh - 134px);padding:clamp(28px,4vw,58px);display:flex}.question-meta{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:11px;display:flex}.question-meta span{background:#f0f3f1;border-radius:999px;padding:6px 9px}.question-meta .official-chip{color:#846315;background:#fff4d8}.question-panel h1{max-width:970px;color:var(--navy);margin:30px 0 28px;font-size:clamp(20px,2vw,28px);font-weight:800;line-height:1.65}.options{gap:12px;max-width:980px;display:grid}.option{text-align:left;width:100%;min-height:62px;color:var(--ink);background:#fff;border:1px solid #d8dfdc;border-radius:11px;align-items:center;gap:16px;padding:12px 17px;transition:all .16s;display:flex}.option:hover{background:#f8fbfa;border-color:#78acae}.option b{height:38px;color:var(--teal-dark);border:1px solid #c8d3d1;border-radius:50%;flex:0 0 38px;place-items:center;display:grid}.option span{line-height:1.6}.option.selected{border-color:var(--teal);background:#edf7f5;box-shadow:0 0 0 2px #137c8017}.option.selected b{color:#fff;background:var(--teal);border-color:var(--teal)}.question-actions{justify-content:space-between;align-items:center;gap:20px;margin-top:auto;padding-top:34px;display:flex}.question-actions>div{gap:10px;display:flex}.mark{color:var(--muted);background:0 0;border:0}.mark.active{color:#a57607;font-weight:800}.answer-sheet{align-self:start;padding:22px;position:sticky;top:20px}.answer-title{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:17px;display:flex}.answer-title div{gap:3px;display:grid}.answer-title span{color:var(--navy);font-weight:900}.answer-title small{color:var(--muted)}.answer-title button{color:#fff;background:var(--teal);border:0;border-radius:8px;padding:7px 12px;font-weight:800}.answer-grid{grid-template-columns:repeat(10,1fr);gap:5px;margin-top:18px;display:grid}.answer-grid button{aspect-ratio:1;color:#596970;background:#fff;border:1px solid #d9dfdd;border-radius:5px;padding:0;font-size:10px}.answer-grid button.answered{background:var(--teal);border-color:var(--teal);color:#fff}.answer-grid button.current{box-shadow:0 0 0 2px var(--gold)}.answer-grid button.flagged{position:relative}.answer-grid button.flagged:after{content:"";background:var(--gold);border-radius:50%;width:5px;height:5px;position:absolute;top:2px;right:2px}.legend{color:var(--muted);gap:13px;margin-top:16px;font-size:10px;display:flex}.dot{border:1px solid #cad3d0;border-radius:2px;width:8px;height:8px;margin-right:4px;display:inline-block}.dot.answered{background:var(--teal);border-color:var(--teal)}.dot.flagged{background:var(--gold);border-color:var(--gold)}.abandon{border:0;border-top:1px solid var(--line);color:#8b9699;background:0 0;width:100%;margin-top:24px;padding:10px;font-size:12px}.result-page{background:var(--cream);min-height:100vh}.result-hero{background:var(--navy);color:#fff;align-items:center;gap:45px;padding:60px clamp(24px,10vw,160px);display:flex}.score-ring{text-align:center;height:150px;box-shadow:inset 0 0 0 3px var(--gold);border:10px solid #ffffff26;border-radius:50%;flex:0 0 150px;place-content:center;display:grid}.score-ring strong{font:700 56px/.9 Georgia,serif}.score-ring span{color:#b9c9cd;font-size:12px}.score-ring.fail{box-shadow:inset 0 0 0 3px #d87870}.result-hero .eyebrow{color:var(--gold)}.result-hero h1{margin:0;font:700 clamp(34px,4vw,54px) Georgia,Noto Serif SC,serif}.result-hero p:last-child{color:#bed0d4}.chapter-results{padding-bottom:40px}.chapter-bars{border:1px solid var(--line);background:#fff;border-radius:5px 20px;margin-top:35px;overflow:hidden}.chapter-row{border-bottom:1px solid #edf0ee;grid-template-columns:55px minmax(160px,1fr) minmax(160px,3fr) 50px;align-items:center;gap:18px;padding:17px 22px;display:grid}.chapter-row:last-child{border-bottom:0}.chapter-row span{color:var(--muted);font-size:12px}.chapter-row strong{font-size:14px}.chapter-row>div{background:#edf1ef;border-radius:99px;height:8px;overflow:hidden}.chapter-row i{background:var(--teal);height:100%;display:block}.chapter-row b{text-align:right;color:var(--teal-dark)}.wrong-section{padding-top:30px}.wrong-list{gap:9px;margin-top:30px;display:grid}.wrong-list details{border:1px solid var(--line);background:#fff;border-radius:10px;overflow:hidden}.wrong-list summary{cursor:pointer;align-items:flex-start;gap:13px;padding:17px;list-style:none;display:flex}.wrong-list summary span{height:27px;color:var(--teal-dark);background:#f0f3f1;border-radius:50%;flex:0 0 27px;place-items:center;font-size:11px;display:grid}.wrong-list summary strong{font-size:14px;line-height:1.65}.wrong-detail{color:var(--muted);padding:0 57px 22px;font-size:13px}.wrong-detail p{margin:8px 0}.bad{color:var(--danger)}.good{color:var(--success)}.more-note,.empty-note{color:var(--muted);font-size:13px}.wrong-book-hero{background:var(--navy);color:#fff;justify-content:space-between;align-items:flex-end;gap:30px;padding:60px clamp(24px,10vw,160px);display:flex}.wrong-book-hero .eyebrow{color:var(--gold)}.wrong-book-hero h1{margin:0;font:700 clamp(34px,4vw,54px) Georgia,Noto Serif SC,serif}.wrong-book-hero p:last-child{color:#bed0d4}.review-options{gap:8px;margin:4px 0 18px;display:grid}.review-options>div{border:1px solid var(--line);color:var(--navy);background:#fbfcfb;border-radius:8px;grid-template-columns:34px 1fr auto;align-items:start;gap:10px;padding:11px 13px;display:grid}.review-options b{width:28px;height:28px;color:var(--teal-dark);background:#edf2f0;border-radius:50%;place-items:center;display:grid}.review-options span{padding-top:4px;line-height:1.55}.review-options em{white-space:nowrap;padding-top:5px;font-size:11px;font-style:normal;font-weight:800}.review-options .correct{background:#f0faf5;border-color:#8fc8b0}.review-options .correct em{color:var(--success)}.review-options .selected-wrong{background:#fff5f4;border-color:#e5aaa5}.review-options .selected-wrong em{color:var(--danger)}@media (width<=980px){.hero{grid-template-columns:1fr;gap:55px}.exam-card{max-width:620px}.feature-grid{grid-template-columns:repeat(2,1fr)}.bank-strip{grid-template-columns:repeat(2,1fr);gap:22px}.bank-strip>div:nth-child(2){border-right:0}.exam-body{grid-template-columns:1fr}.answer-sheet{position:static}.question-panel{min-height:auto}.answer-grid{grid-template-columns:repeat(15,1fr)}}@media (width<=680px){.site-header{height:70px;padding:0 16px}.brand>span{width:42px;height:42px}.brand strong{font-size:13px}.brand small,.local-badge{display:none}.hero{padding:52px 20px}.hero h1{font-size:42px}.hero-intro{font-size:15px}.exam-card{min-height:380px;padding:24px}.card-title strong{font-size:34px}.card-stats b{font-size:23px}.bank-strip{padding:25px 20px}.bank-strip>div{padding:0 12px}.bank-strip>div:nth-child(odd){padding-left:0}.feature-section,.chapter-results,.wrong-section{padding:58px 20px}.section-heading{flex-direction:column;align-items:flex-start}.feature-grid{grid-template-columns:1fr}.feature-grid article{min-height:180px}.feature-grid h3{margin-top:35px}footer{flex-direction:column;padding:24px 20px}.exam-header{grid-template-columns:1fr auto;height:70px;padding:0 14px}.brand-button strong,.exam-progress{display:none}.timer{justify-self:end}.exam-body{padding:10px}.question-panel{border-radius:4px 14px;padding:24px 17px}.question-panel h1{margin-top:22px;font-size:19px}.option{padding:10px 12px}.option b{flex-basis:34px;height:34px}.question-actions{flex-direction:column;align-items:stretch}.question-actions>div{grid-template-columns:1fr 1fr;display:grid}.answer-sheet{padding:16px}.answer-grid{grid-template-columns:repeat(10,1fr)}.result-hero,.wrong-book-hero{flex-direction:column;align-items:flex-start;gap:25px;padding:45px 20px}.score-ring{flex-basis:120px;width:120px;height:120px}.score-ring strong{font-size:45px}.chapter-row{grid-template-columns:50px 1fr 48px}.chapter-row>div{grid-column:1/-1}.wrong-detail{padding-left:20px;padding-right:20px}.review-options>div{grid-template-columns:32px 1fr}.review-options em{grid-column:2}.hero-actions .large{width:100%}}@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}