@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;--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 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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{.absolute{position:absolute}.hidden{display:none}}:root{--bg:#f4f7fb;--surface:#fff;--surface-alt:#eef3f9;--text:#1c2633;--text-soft:#566477;--line:#d7e0eb;--primary:#0a7a5f;--primary-strong:#08664f;--danger:#b83939;--danger-strong:#8f2d2d;--on-primary:#fff;--badge-correct-bg:#e8f6f0;--badge-correct-text:#0a7a5f;--badge-wrong-bg:#fdecec;--badge-wrong-text:#b83939;--wrong-surface:#fff5f5;--wrong-line:#f1c7c7;--selection-bg:#e8f5ff;--selection-line:#7eb7e8;--selection-text:#1d4d77;--link:#0d5eb8;--question-font-size:clamp(1.06rem,.95rem + .45vw,1.24rem);--question-line-height:1.5;--shadow:#1b325214;--bg-glow-a:#d9e9ff;--bg-glow-b:#d6f9ef}[data-theme=dark]{--bg:#0f1720;--surface:#15202c;--surface-alt:#1d2a38;--text:#e4edf7;--text-soft:#9fb0c2;--line:#2a3b4d;--primary:#2ba784;--primary-strong:#22866b;--danger:#c45e5e;--danger-strong:#aa4f4f;--on-primary:#08130f;--badge-correct-bg:#173d30;--badge-correct-text:#8ee0c4;--badge-wrong-bg:#412323;--badge-wrong-text:#f3b3b3;--wrong-surface:#2b1d22;--wrong-line:#6b3a47;--selection-bg:#1f344a;--selection-line:#4a83b7;--selection-text:#b8dcff;--link:#76b8ff;--shadow:#04090f57;--bg-glow-a:#132f4c8c;--bg-glow-b:#0f3e3480}*{box-sizing:border-box}html,body{overscroll-behavior:none;overscroll-behavior-y:none;margin:0;padding:0}body{min-height:100vh;color:var(--text);background:radial-gradient(circle at 90% -20%,var(--bg-glow-a)0%,#d9e9ff00 40%),radial-gradient(circle at -5% 20%,var(--bg-glow-b)0%,#d6f9ef00 35%),var(--bg);font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;line-height:1.5}a{color:inherit}.page-shell{gap:16px;width:min(100%,920px);margin:0 auto;padding:20px 16px 48px;display:grid}.hero-card,.content-card{background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 28px var(--shadow);border-radius:16px;padding:20px}.page-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px;display:flex}.page-toolbar h1{margin-bottom:0}.exam-loading-state{justify-items:center;gap:14px;display:grid}.exam-loading-state .page-toolbar{width:100%;margin-bottom:0}.exam-loading-state p{text-align:center;margin-bottom:0}.exam-loading-spinner{border:3px solid var(--line);border-top-color:var(--link);border-radius:50%;width:34px;height:34px;animation:.9s linear infinite exam-loading-spin;display:inline-block}.button-content{justify-content:center;align-items:center;gap:8px;display:inline-flex}.button-spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:16px;height:16px;animation:.9s linear infinite exam-loading-spin}@keyframes exam-loading-spin{to{transform:rotate(360deg)}}.theme-toggle{border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(3,1fr);min-height:40px;display:inline-grid;overflow:hidden}.theme-toggle-button{border:none;border-right:1px solid var(--line);background:var(--surface);width:40px;color:var(--text-soft);cursor:pointer;justify-content:center;align-items:center;transition:background-color .12s,color .12s;display:inline-flex}.theme-toggle-button:last-child{border-right:none}.theme-toggle-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.theme-toggle-button.is-active{background:var(--surface-alt);color:var(--text)}.theme-toggle-icon{justify-content:center;align-items:center;font-size:18px;line-height:1;display:inline-flex}.eyebrow{background:var(--surface-alt);color:var(--text-soft);border-radius:999px;margin:0;padding:4px 10px;font-size:.82rem;font-weight:700;display:inline-flex}h1,h2,h3,p,ul{margin-top:0}h1{margin-bottom:10px;font-size:clamp(1.5rem,4vw,2rem);line-height:1.25}h2{margin-bottom:14px;font-size:1.2rem}h3{margin-bottom:8px;font-size:1.02rem}.lead{color:var(--text-soft);margin-bottom:20px}.exam-form{gap:12px;display:grid}.field{gap:6px;display:grid}.field-label{font-size:.95rem;font-weight:600}.field-input{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--text);border-radius:10px;padding:10px 12px;font-size:1rem}.error-text{color:var(--danger);margin:0;font-size:.92rem}.primary-button,.secondary-button,.danger-button,.answer-button,.primary-link,.secondary-link{-webkit-tap-highlight-color:transparent;border-radius:10px;min-height:44px;font-size:1rem;font-weight:600;transition:transform .12s,background-color .12s,opacity .12s}.primary-button,.primary-link{background:var(--primary);color:var(--on-primary);text-align:center;border:none;justify-content:center;align-items:center;padding:10px 14px;text-decoration:none;display:inline-flex}.secondary-button,.secondary-link{border:1px solid var(--line);background:var(--surface);color:var(--text);text-align:center;justify-content:center;align-items:center;padding:10px 14px;text-decoration:none;display:inline-flex}.danger-button{background:var(--danger);color:var(--on-primary);border:none;padding:10px 14px}.secondary-button:active{background:var(--surface)}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled,.answer-button:disabled{opacity:.5;cursor:not-allowed}.top-meta-row{color:var(--text-soft);flex-wrap:wrap;gap:10px;display:flex}.top-meta-row p{margin:0}.exam-page-toolbar{grid-template-columns:minmax(0,1fr) auto;align-items:start;display:grid}.exam-top-meta-row{flex-direction:column;gap:4px;min-width:0}.exam-page-toolbar .theme-toggle{place-self:start end}.exam-layout{grid-template-rows:auto minmax(0,1fr) auto auto;gap:12px;height:100%;min-height:0;display:grid;overflow:hidden}.exam-page-shell{grid-template-rows:minmax(0,1fr);height:100svh;min-height:100svh;max-height:100svh;overflow:hidden}@supports (height:100dvh){.exam-page-shell{height:100dvh;min-height:100dvh;max-height:100dvh}}.question-card{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;gap:12px;min-height:0;margin-bottom:0;display:grid;overflow:auto}.question-media{object-fit:contain;border:1px solid var(--line);background:var(--surface);border-radius:12px;width:100%;height:100%;transition:opacity .18s;position:absolute;inset:0}.question-media.is-loading{opacity:0}.question-media.is-ready{opacity:1}.media-link{display:block}.question-media-shell{width:100%;height:320px;position:relative}.question-media-loading-overlay{z-index:1;border:1px solid var(--line);background:var(--surface);border-radius:12px;place-items:center;display:grid;position:absolute;inset:0}@supports (color:color-mix(in lab, red, red)){.question-media-loading-overlay{background:color-mix(in srgb,var(--surface)85%,transparent)}}.question-media-spinner{border:3px solid var(--line);border-top-color:var(--link);border-radius:50%;width:30px;height:30px;animation:.9s linear infinite question-media-spin}@keyframes question-media-spin{to{transform:rotate(360deg)}}.question-text{font-size:var(--question-font-size);line-height:var(--question-line-height);white-space:pre-line;min-height:120px;margin:0}.control-row{flex-wrap:nowrap;gap:10px;margin-bottom:0;display:flex}.result-control-row{grid-template-columns:minmax(0,1fr)}.answer-row{grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:10px;display:grid}.control-row .primary-button,.control-row .secondary-button,.control-row .danger-button{flex:1 1 0;min-width:0}.answer-button{border:1px solid var(--line);background:var(--surface);color:var(--text)}.answer-button.is-selected{background:var(--selection-bg);border-color:var(--selection-line);color:var(--selection-text)}.feature-list{color:var(--text-soft);gap:8px;margin:0;padding-left:20px;display:grid}.faq-list{gap:14px;display:grid}.faq-list article{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:12px}.score-display{margin:0 0 16px;font-size:1.15rem;font-weight:700}.review-list{gap:12px;display:grid}.review-item{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px}.review-item.is-wrong{background:var(--wrong-surface);border-color:var(--wrong-line)}.review-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.review-header h3{margin:0}.badge-correct,.badge-wrong{border-radius:999px;padding:2px 10px;font-size:.82rem;font-weight:700}.badge-correct{background:var(--badge-correct-bg);color:var(--badge-correct-text)}.badge-wrong{background:var(--badge-wrong-bg);color:var(--badge-wrong-text)}.review-image-link{width:100%;max-width:360px;margin:10px 0;display:block}.review-image{object-fit:contain;border:1px solid var(--line);background:var(--surface);border-radius:8px;width:100%;height:100%;position:absolute;inset:0}.review-image-shell{width:100%;max-width:360px;height:220px;position:relative}.review-user-answer{margin-top:14px}.review-question-text{min-height:0;font-size:1.05rem}.inline-link{color:var(--link);margin-left:6px;text-decoration:underline}.related-url{color:var(--link);word-break:break-all;text-decoration:underline}.disclaimer-text{color:var(--text-soft);margin:0}.site-copyright{text-align:center;color:var(--text-soft);margin:8px 0 0;font-size:.85rem}.cookie-banner{left:0;right:0;bottom:max(12px,env(safe-area-inset-bottom));z-index:1000;pointer-events:none;padding:0 12px;position:fixed}.cookie-banner-inner{border:1px solid var(--line);background:var(--surface);width:min(100%,960px);box-shadow:0 12px 28px var(--shadow);pointer-events:auto;border-radius:14px;gap:12px;margin:0 auto;padding:14px;display:grid}.cookie-banner-content{min-width:0}.cookie-banner-title{margin:0 0 6px;font-size:1rem;font-weight:700}.cookie-banner-text{color:var(--text-soft);margin:0}.cookie-banner-link{color:var(--link);text-decoration:underline}.cookie-banner-actions{grid-template-columns:minmax(0,1fr) 48px;align-items:center;gap:8px;display:grid}.cookie-action{width:100%}.cookie-close-button{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--text);cursor:pointer;border-radius:10px;font-size:1rem;font-weight:700}.cookie-close-button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@media (min-width:640px){.cookie-banner-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center}.cookie-banner-actions{grid-template-columns:auto 44px;align-items:center}.cookie-action{width:auto;min-width:128px}.cookie-close-button{width:44px;min-width:44px;padding:0}}@media (hover:hover) and (pointer:fine){.theme-toggle-button:hover{background:var(--surface-alt)}.primary-button:hover,.primary-link:hover{background:var(--primary-strong)}.secondary-button:hover,.secondary-link:hover{background:var(--surface-alt)}.danger-button:hover{background:var(--danger-strong)}}@media (max-width:700px){.page-shell{padding:14px 12px 30px}.hero-card,.content-card{border-radius:14px;padding:14px}.control-row .primary-button,.control-row .secondary-button,.control-row .danger-button{min-height:40px;padding:8px 6px;font-size:.86rem}.theme-toggle{min-height:38px}.theme-toggle-button{width:38px}.exam-page-shell{padding:14px 12px}.exam-layout{height:100%;min-height:0}.question-card{min-height:0}.question-media-shell{height:260px}.question-text{min-height:120px}.review-image-shell{width:100%}.cookie-banner{padding:0 8px}}