/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@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{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.block{display:block}.table{display:table}}:root{--ink:#17352d;--ink-soft:#587169;--forest:#0d6650;--forest-dark:#084b3c;--mint:#dff3ea;--mint-soft:#f0f8f4;--cream:#f7f4ec;--white:#fff;--line:#dce6e1;--orange:#e27b42;--red:#c24d4a;--shadow:0 24px 70px #1441331f}*{box-sizing:border-box}html{background:var(--cream);scroll-behavior:smooth;min-width:320px}body{color:var(--ink);background:radial-gradient(circle at 8% 8%, #b1e0ca52, transparent 30%), var(--cream);-webkit-font-smoothing:antialiased;margin:0;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif;overflow-x:hidden}button{color:inherit;font:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:focus-visible{outline-offset:3px;outline:3px solid #e27b4266}.welcome-shell{place-items:center;min-height:100vh;padding:36px;display:grid;position:relative;overflow:hidden}.welcome-card{z-index:2;isolation:isolate;width:min(100%,960px);min-height:650px;box-shadow:var(--shadow);background:linear-gradient(110deg,#fffffffa 0 64%,#0000 64%),linear-gradient(155deg,#cdeadd 0%,#8fcdb4 100%);border:1px solid #0f665021;border-radius:34px;padding:42px 52px 36px;position:relative;overflow:hidden}.welcome-card:after{z-index:0;content:"";pointer-events:none;border:74px solid #ffffff40;border-radius:50%;width:420px;height:420px;position:absolute;bottom:-130px;right:-70px}.welcome-card>*{z-index:1;position:relative}.brand-row,.mini-brand{color:var(--forest-dark);letter-spacing:.03em;align-items:center;gap:12px;font-size:14px;font-weight:700;display:flex}.brand-mark,.mini-brand span{color:#fff;background:var(--forest);border-radius:11px;place-items:center;width:34px;height:34px;font-size:25px;font-weight:400;display:grid}.welcome-copy{width:58%;margin-top:76px}.eyebrow{color:var(--orange);letter-spacing:.16em;text-transform:uppercase;margin:0 0 14px;font-size:13px;font-weight:800}.welcome-copy h1{letter-spacing:-.06em;margin:0;font-size:clamp(54px,7vw,78px);font-weight:850;line-height:.98}.welcome-copy h1 span{color:var(--forest)}.welcome-description{max-width:540px;color:var(--ink-soft);margin:28px 0 0;font-size:17px;line-height:1.9}.feature-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);width:58%;margin-top:34px;display:grid}.feature-strip div{padding:18px 18px 18px 0}.feature-strip div+div{border-left:1px solid var(--line);padding-left:22px}.feature-strip strong,.feature-strip span{display:block}.feature-strip strong{color:var(--forest);font-size:24px}.feature-strip span{color:var(--ink-soft);margin-top:2px;font-size:12px}.welcome-actions{gap:12px;width:58%;margin-top:30px;display:flex}.primary-button,.secondary-button,.submit-button,.navigator-toggle{cursor:pointer;border-radius:14px;min-height:52px;font-weight:750;transition:transform .16s,box-shadow .16s,background .16s}.primary-button{color:#fff;background:var(--forest);border:0;justify-content:center;align-items:center;gap:28px;min-width:210px;padding:0 24px;display:inline-flex;box-shadow:0 12px 28px #0d665033}.primary-button:hover,.submit-button:hover{background:var(--forest-dark);transform:translateY(-2px);box-shadow:0 15px 34px #0d66503d}.primary-button.compact{gap:16px;min-width:150px}.secondary-button,.navigator-toggle{border:1px solid var(--line);color:var(--forest);background:#fff;padding:0 20px}.secondary-button:hover,.navigator-toggle:hover{background:var(--mint-soft);border-color:#a9cabc}.secondary-button:disabled{cursor:not-allowed;opacity:.42}.welcome-note{color:var(--ink-soft);align-items:center;gap:8px;margin-top:22px;font-size:12px;display:flex}.welcome-note span{width:18px;height:18px;color:var(--forest);background:var(--mint);border-radius:50%;place-items:center;font-size:11px;font-weight:900;display:grid}.best-score{color:var(--forest-dark);margin:0;font-size:13px;font-weight:700;position:absolute;top:45px;right:52px}.welcome-decoration{pointer-events:none;position:absolute;inset:0}.welcome-decoration span{border:1px solid #0d665021;border-radius:50%;position:absolute}.welcome-decoration span:first-child{width:310px;height:310px;top:-80px;left:-100px}.welcome-decoration span:nth-child(2){width:380px;height:380px;bottom:-120px;right:7%}.welcome-decoration span:nth-child(3){border-width:10px;width:44px;height:44px;top:12%;right:12%}.quiz-shell{background:#f7f8f4;min-height:100vh}.quiz-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff0;grid-template-columns:1fr minmax(240px,390px) 1fr;align-items:center;gap:36px;min-height:82px;padding:0 max(28px,50vw - 620px);display:grid;position:sticky;top:0}.header-progress span{color:var(--ink-soft);text-align:center;margin-bottom:8px;font-size:12px;display:block}.header-progress strong{color:var(--forest)}.progress-track{background:#e8eeeb;border-radius:99px;height:6px;overflow:hidden}.progress-track span{border-radius:inherit;background:linear-gradient(90deg, var(--forest), #68b996);height:100%;margin:0;transition:width .24s;display:block}.submit-button{color:#fff;background:var(--forest);border:0;justify-self:end;min-height:44px;padding:0 20px}.quiz-layout{grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:28px;width:min(100% - 48px,1180px);margin:42px auto;display:grid}.question-panel,.question-navigator{border:1px solid var(--line);background:#fff;border-radius:24px;box-shadow:0 18px 55px #28433a12}.question-panel{min-height:690px;overflow:hidden}.question-meta{border-bottom:1px solid #edf1ef;justify-content:space-between;align-items:center;padding:32px 38px 22px;display:flex}.question-count{color:var(--forest);letter-spacing:-.04em;font-size:36px;font-weight:850}.question-total{color:#9aaca5;margin-left:5px;font-size:15px;font-weight:650}.question-badges,.wrong-card-top{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.source-badge,.type-badge,.wrong-index{border-radius:99px;align-items:center;min-height:28px;padding:0 10px;font-size:12px;font-weight:750;display:inline-flex}.source-badge{color:#68756f;background:#f0f2f1}.type-badge{color:var(--forest);background:var(--mint)}.question-content{padding:40px 52px 34px}.question-content h1,.wrong-card h3{white-space:pre-line;letter-spacing:-.025em;margin:0;font-weight:750;line-height:1.65}.question-content h1{font-size:clamp(22px,2.2vw,29px)}.multi-hint{color:var(--orange);margin:12px 0 0;font-size:13px;font-weight:700}.options-list{gap:13px;margin-top:32px;display:grid}.option-button{border:1px solid var(--line);width:100%;min-height:66px;color:var(--ink);cursor:pointer;text-align:left;background:#fff;border-radius:16px;grid-template-columns:42px minmax(0,1fr) 28px;align-items:center;gap:14px;padding:10px 16px 10px 12px;transition:border-color .15s,background .15s,transform .15s;display:grid}.option-button:hover{background:#fbfdfc;border-color:#9fc9b7;transform:translate(3px)}.option-button.selected{border-color:var(--forest);background:var(--mint-soft);box-shadow:inset 3px 0 0 var(--forest)}.option-key{width:38px;height:38px;color:var(--forest);background:#edf4f1;border-radius:11px;place-items:center;font-weight:800;display:grid}.option-button.selected .option-key{color:#fff;background:var(--forest)}.option-text{font-size:16px;line-height:1.55}.option-check{color:#fff;border:1px solid #c7d7d0;border-radius:50%;place-items:center;width:24px;height:24px;font-size:13px;font-weight:900;display:grid}.option-button.selected .option-check{border-color:var(--forest);background:var(--forest)}.question-actions{border-top:1px solid #edf1ef;justify-content:space-between;gap:12px;padding:24px 38px 30px;display:flex}.navigator-toggle{display:none}.question-navigator{padding:25px;position:sticky;top:110px}.navigator-heading{justify-content:space-between;align-items:flex-start;display:flex}.navigator-heading h2{margin:0;font-size:19px}.navigator-heading p{color:var(--ink-soft);margin:5px 0 0;font-size:12px}.navigator-close{cursor:pointer;background:#f0f3f2;border:0;border-radius:50%;width:36px;height:36px;font-size:23px;display:none}.navigator-legend{color:var(--ink-soft);gap:15px;margin-top:20px;font-size:11px;display:flex}.navigator-legend span{align-items:center;gap:6px;display:flex}.navigator-legend i{border-radius:50%;width:9px;height:9px}.legend-answered{background:var(--mint);box-shadow:inset 0 0 0 2px var(--forest)}.legend-current{background:var(--orange)}.number-grid{grid-template-columns:repeat(5,1fr);gap:8px;margin-top:19px;display:grid}.number-grid button{aspect-ratio:1;border:1px solid var(--line);color:#71837c;cursor:pointer;background:#fafbf9;border-radius:9px;font-size:11px;font-weight:700}.number-grid button:hover{border-color:#9fc9b7}.number-grid button.answered{color:var(--forest);background:var(--mint);border-color:#a8d1be}.number-grid button.current{border-color:var(--orange);color:#fff;background:var(--orange);box-shadow:0 5px 12px #e27b4238}.mobile-submit,.navigator-backdrop{display:none}.result-shell{background:#f7f8f4;min-height:100vh;padding-bottom:80px}.result-header{justify-content:space-between;align-items:center;width:min(100% - 48px,1120px);min-height:82px;margin:0 auto;display:flex}.text-button{color:var(--forest);cursor:pointer;background:0 0;border:0;font-weight:750}.score-card{color:#fff;background:radial-gradient(circle at 92% 20%, #ffffff1f, transparent 22%), linear-gradient(135deg, var(--forest-dark), var(--forest));border-radius:30px;grid-template-columns:180px minmax(0,1fr) 210px;align-items:center;gap:40px;width:min(100% - 48px,1120px);min-height:290px;margin:18px auto 0;padding:42px 52px;display:grid;overflow:hidden;box-shadow:0 24px 60px #0d4d3d2e}.score-ring{text-align:center;background:#ffffff14;border:2px solid #ffffff80;border-radius:50%;place-content:center;width:168px;height:168px;display:grid;box-shadow:inset 0 0 0 12px #ffffff0d}.score-ring strong{letter-spacing:-.07em;font-size:64px;line-height:.92}.score-ring span{opacity:.72;margin-top:7px;font-size:13px}.score-copy .eyebrow{color:#aee1cc}.score-copy h1{margin:0;font-size:38px}.score-copy p:last-child{color:#ffffffbd;max-width:530px;margin:15px 0 0;line-height:1.75}.score-stats{background:#ffffff26;border:1px solid #ffffff26;border-radius:16px;grid-template-columns:repeat(3,1fr);gap:1px;display:grid;overflow:hidden}.score-stats div{text-align:center;background:#05362a7a;place-content:center;min-height:90px;display:grid}.score-stats span{opacity:.7;font-size:10px}.score-stats strong{margin-top:4px;font-size:24px}.review-section{width:min(100% - 48px,960px);margin:60px auto 0}.section-heading{justify-content:space-between;align-items:end;gap:28px;margin-bottom:25px;display:flex}.section-heading h2{margin:0;font-size:30px}.wrong-list{gap:18px;display:grid}.wrong-card,.perfect-card{border:1px solid var(--line);background:#fff;border-radius:22px;padding:30px 34px;box-shadow:0 14px 40px #28433a0e}.wrong-index{color:var(--red);background:#fbeceb}.quiz-number{color:#8a9a94;margin-left:auto;font-size:11px}.wrong-card h3{margin-top:20px;font-size:19px}.answer-comparison{grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;display:grid}.answer-comparison>div{border-radius:14px;padding:16px 18px}.your-answer{background:#fdf2f1}.correct-answer{background:var(--mint-soft)}.answer-comparison span{color:var(--ink-soft);font-size:11px;font-weight:700}.answer-comparison p{margin:6px 0 0;font-size:14px;line-height:1.55}.your-answer p{color:#9e4441}.correct-answer p{color:var(--forest)}.explanation{border-top:1px dashed #dce5e1;grid-template-columns:48px 1fr;gap:12px;margin-top:18px;padding-top:18px;display:grid}.explanation strong{color:var(--orange);font-size:13px}.explanation p{color:var(--ink-soft);margin:0;font-size:14px;line-height:1.75}.perfect-card{text-align:center;align-content:center;place-items:center;min-height:300px;display:grid}.perfect-card div{color:#fff;background:var(--forest);border-radius:50%;place-items:center;width:100px;height:100px;font-size:34px;font-weight:850;display:grid}.perfect-card h3{margin:20px 0 0;font-size:25px}.perfect-card p{color:var(--ink-soft);margin:8px 0 0}@media (width<=900px){.welcome-card{background:linear-gradient(#fffffffa 0 78%,#0000 78%),linear-gradient(155deg,#cdeadd 0%,#8fcdb4 100%)}.welcome-copy,.feature-strip,.welcome-actions{width:100%}.quiz-header{grid-template-columns:1fr minmax(200px,280px);padding:0 24px}.desktop-submit{display:none}.quiz-layout{grid-template-columns:1fr}.question-navigator{z-index:50;max-height:min(78vh,720px);transition:transform .22s;position:fixed;inset:auto 14px 14px;overflow-y:auto;transform:translateY(calc(100% + 30px))}.question-navigator.mobile-open{transform:translateY(0)}.navigator-close,.mobile-submit,.navigator-toggle,.navigator-backdrop{display:block}.mobile-submit{width:100%;margin-top:20px}.navigator-backdrop{z-index:40;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#092b2261;border:0;position:fixed;inset:0}.score-card{grid-template-columns:150px 1fr}.score-ring{width:145px;height:145px}.score-stats{grid-column:1/-1}}@media (width<=640px){.welcome-shell{min-height:100svh;padding:16px;padding:max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left))}.welcome-card{border-radius:25px;min-height:calc(100dvh - 32px);padding:27px 24px}.brand-row{padding-right:70px;font-size:11px;line-height:1.45}.best-score{font-size:10px;top:31px;right:24px}.welcome-copy{margin-top:72px}.welcome-copy h1{font-size:clamp(48px,15vw,62px)}.welcome-description{margin-top:22px;font-size:15px;line-height:1.75}.feature-strip div{padding:15px 8px 15px 0}.feature-strip div+div{padding-left:12px}.feature-strip strong{font-size:20px}.welcome-actions{display:grid}.primary-button,.secondary-button{width:100%}.welcome-note{align-items:flex-start;line-height:1.55}.quiz-header{grid-template-columns:1fr;min-height:70px;padding:0 16px}.quiz-header .mini-brand{display:none}.header-progress{width:100%}.quiz-layout{width:calc(100% - 24px);margin:18px auto}.question-panel{border-radius:20px;min-height:calc(100vh - 106px)}.question-meta{padding:22px 22px 17px}.question-count{font-size:29px}.question-content{padding:28px 20px 24px}.question-content h1{font-size:20px;line-height:1.58}.options-list{gap:10px;margin-top:24px}.option-button{border-radius:14px;grid-template-columns:38px minmax(0,1fr) 24px;gap:10px;min-height:62px;padding-right:11px}.option-key{width:36px;height:36px}.option-text{font-size:14px}.question-actions{padding:14px 16px max(14px, env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;position:sticky;bottom:0}.question-actions button{min-width:0;min-height:46px;padding:0 13px;font-size:13px}.number-grid{grid-template-columns:repeat(10,1fr);gap:5px}.number-grid button{border-radius:6px;font-size:9px}.question-navigator{right:max(14px, env(safe-area-inset-right));bottom:max(14px, env(safe-area-inset-bottom));left:max(14px, env(safe-area-inset-left))}.result-header,.score-card,.review-section{width:calc(100% - 24px)}.score-card{text-align:center;grid-template-columns:1fr;gap:24px;padding:32px 25px}.score-ring{margin:0 auto}.score-copy h1{font-size:32px}.score-copy p:last-child{font-size:14px}.review-section{margin-top:42px}.section-heading{display:grid}.section-heading .primary-button{width:100%}.wrong-card{padding:24px 20px}.quiz-number{width:100%;margin:2px 0 0}.wrong-card h3{font-size:17px}.answer-comparison,.explanation{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}