@import"https://cdn.jsdelivr.net/npm/alibaba-puhuiti-2/Alibaba-PuHuiTi-Regular/Alibaba-PuHuiTi-Regular.css";@import"https://cdn.jsdelivr.net/npm/alibaba-puhuiti-2/Alibaba-PuHuiTi-Medium/Alibaba-PuHuiTi-Medium.css";@import"https://cdn.jsdelivr.net/npm/alibaba-puhuiti-2/Alibaba-PuHuiTi-Bold/Alibaba-PuHuiTi-Bold.css";/*! tailwindcss v4.3.3 | 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-translate-x:0;--tw-translate-y:0;--tw-translate-z:0;--tw-scale-x:1;--tw-scale-y:1;--tw-scale-z:1;--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-gradient-position:initial;--tw-gradient-from:#0000;--tw-gradient-via:#0000;--tw-gradient-to:#0000;--tw-gradient-stops:initial;--tw-gradient-via-stops:initial;--tw-gradient-from-position:0%;--tw-gradient-via-position:50%;--tw-gradient-to-position:100%;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--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;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-duration:initial;--tw-ease:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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;--color-orange-100:oklch(95.4% .038 75.164);--color-orange-400:oklch(75% .183 55.934);--color-orange-500:oklch(70.5% .213 47.604);--color-orange-600:oklch(64.6% .222 41.116);--color-orange-900:oklch(40.8% .123 38.172);--color-yellow-500:oklch(79.5% .184 86.047);--color-green-100:oklch(96.2% .044 156.743);--color-green-400:oklch(79.2% .209 151.711);--color-green-500:oklch(72.3% .219 149.579);--color-green-600:oklch(62.7% .194 149.214);--color-green-900:oklch(39.3% .095 152.535);--color-blue-100:oklch(93.2% .032 255.585);--color-blue-400:oklch(70.7% .165 254.624);--color-blue-500:oklch(62.3% .214 259.815);--color-blue-600:oklch(54.6% .245 262.881);--color-blue-900:oklch(37.9% .146 265.522);--color-indigo-100:oklch(93% .034 272.788);--color-indigo-400:oklch(67.3% .182 276.935);--color-indigo-500:oklch(58.5% .233 277.117);--color-indigo-600:oklch(51.1% .262 276.966);--color-indigo-900:oklch(35.9% .144 278.697);--color-violet-500:oklch(60.6% .25 292.717);--color-purple-100:oklch(94.6% .033 307.174);--color-purple-400:oklch(71.4% .203 305.504);--color-purple-500:oklch(62.7% .265 303.9);--color-purple-600:oklch(55.8% .288 302.321);--color-purple-900:oklch(38.1% .176 304.987);--color-pink-100:oklch(94.8% .028 342.258);--color-pink-400:oklch(71.8% .202 349.761);--color-pink-500:oklch(65.6% .241 354.308);--color-pink-600:oklch(59.2% .249 .584);--color-pink-900:oklch(40.8% .153 2.432);--color-slate-100:oklch(96.8% .007 247.896);--color-slate-200:oklch(92.9% .013 255.508);--color-slate-300:oklch(86.9% .022 252.894);--color-slate-400:oklch(70.4% .04 256.788);--color-slate-500:oklch(55.4% .046 257.417);--color-slate-600:oklch(44.6% .043 257.281);--color-slate-800:oklch(27.9% .041 260.031);--color-slate-900:oklch(20.8% .042 265.755);--color-white:#fff;--spacing:.25rem;--container-2xl:42rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-base:1rem;--text-base--line-height: 1.5 ;--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-3xl:1.875rem;--text-3xl--line-height: 1.2 ;--text-4xl:2.25rem;--text-4xl--line-height:calc(2.5 / 2.25);--text-5xl:3rem;--text-5xl--line-height:1;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--tracking-tight:-.025em;--radius-lg:.5rem;--radius-xl:.75rem;--radius-3xl:1.5rem;--ease-in-out:cubic-bezier(.4, 0, .2, 1);--blur-3xl:64px;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-primary-400:#60a5fa;--color-primary-500:#3b82f6;--color-primary-600:#2563eb;--color-primary-700:#1d4ed8;--shadow-soft:0 2px 15px -3px #00000012, 0 10px 20px -2px #0000000a}}@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%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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;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:where(:not(iframe)){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]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance: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}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.top-0{top:0}.right-0{right:0}.left-0{left:0}.z-10{z-index:10}.z-\[100\]{z-index:100}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.mr-2{margin-right:calc(var(--spacing) * 2)}.mb-2{margin-bottom:calc(var(--spacing) * 2)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.mb-12{margin-bottom:calc(var(--spacing) * 12)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.table{display:table}.table\!{display:table!important}.h-10{height:calc(var(--spacing) * 10)}.h-96{height:calc(var(--spacing) * 96)}.h-full{height:100%}.min-h-screen{min-height:100vh}.w-10{width:calc(var(--spacing) * 10)}.w-96{width:calc(var(--spacing) * 96)}.w-full{width:100%}.max-w-2xl{max-width:var(--container-2xl)}.min-w-\[140px\]{min-width:140px}.flex-1{flex:1}.flex-shrink{flex-shrink:1}.translate-x-1\/2{--tw-translate-x: 50% ;translate:var(--tw-translate-x) var(--tw-translate-y)}.-translate-y-1\/2{--tw-translate-y: -50% ;translate:var(--tw-translate-x) var(--tw-translate-y)}.scale-50{--tw-scale-x:50%;--tw-scale-y:50%;--tw-scale-z:50%;scale:var(--tw-scale-x) var(--tw-scale-y)}.scale-100{--tw-scale-x:100%;--tw-scale-y:100%;--tw-scale-z:100%;scale:var(--tw-scale-x) var(--tw-scale-y)}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-6{gap:calc(var(--spacing) * 6)}.overflow-hidden{overflow:hidden}.scroll-smooth{scroll-behavior:smooth}.rounded-3xl{border-radius:var(--radius-3xl)}.rounded-full{border-radius:3.40282e38px}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.border{border-style:var(--tw-border-style);border-width:1px}.border-t{border-top-style:var(--tw-border-style);border-top-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-slate-200{border-color:var(--color-slate-200)}.border-slate-200\/50{border-color:#e2e8f080}@supports (color:color-mix(in lab,red,red)){.border-slate-200\/50{border-color:color-mix(in oklab,var(--color-slate-200) 50%,transparent)}}.bg-blue-100{background-color:var(--color-blue-100)}.bg-green-100{background-color:var(--color-green-100)}.bg-indigo-100{background-color:var(--color-indigo-100)}.bg-orange-100{background-color:var(--color-orange-100)}.bg-pink-100{background-color:var(--color-pink-100)}.bg-primary-500\/10{background-color:#3b82f61a}@supports (color:color-mix(in lab,red,red)){.bg-primary-500\/10{background-color:color-mix(in oklab,var(--color-primary-500) 10%,transparent)}}.bg-purple-100{background-color:var(--color-purple-100)}.bg-white{background-color:var(--color-white)}.bg-gradient-to-br{--tw-gradient-position:to bottom right in oklab;background-image:linear-gradient(var(--tw-gradient-stops))}.from-primary-500{--tw-gradient-from:var(--color-primary-500);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position), var(--tw-gradient-from) var(--tw-gradient-from-position), var(--tw-gradient-to) var(--tw-gradient-to-position))}.to-primary-700{--tw-gradient-to:var(--color-primary-700);--tw-gradient-stops:var(--tw-gradient-via-stops,var(--tw-gradient-position), var(--tw-gradient-from) var(--tw-gradient-from-position), var(--tw-gradient-to) var(--tw-gradient-to-position))}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-5{padding-inline:calc(var(--spacing) * 5)}.py-5{padding-block:calc(var(--spacing) * 5)}.pb-16{padding-bottom:calc(var(--spacing) * 16)}.text-center{text-align:center}.text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.text-blue-500{color:var(--color-blue-500)}.text-blue-600{color:var(--color-blue-600)}.text-green-500{color:var(--color-green-500)}.text-green-600{color:var(--color-green-600)}.text-indigo-500{color:var(--color-indigo-500)}.text-indigo-600{color:var(--color-indigo-600)}.text-orange-500{color:var(--color-orange-500)}.text-orange-600{color:var(--color-orange-600)}.text-pink-500{color:var(--color-pink-500)}.text-pink-600{color:var(--color-pink-600)}.text-primary-500{color:var(--color-primary-500)}.text-primary-600{color:var(--color-primary-600)}.text-purple-500{color:var(--color-purple-500)}.text-purple-600{color:var(--color-purple-600)}.text-slate-400{color:var(--color-slate-400)}.text-slate-500{color:var(--color-slate-500)}.text-slate-600{color:var(--color-slate-600)}.text-slate-800{color:var(--color-slate-800)}.text-violet-500{color:var(--color-violet-500)}.text-white{color:var(--color-white)}.text-yellow-500{color:var(--color-yellow-500)}.opacity-0{opacity:0}.opacity-100{opacity:1}.shadow-glow{--tw-shadow:0 0 20px var(--tw-shadow-color,#3b82f680);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-soft{--tw-shadow:0 2px 15px -3px var(--tw-shadow-color,#00000012), 0 10px 20px -2px var(--tw-shadow-color,#0000000a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur-3xl{--tw-blur:blur(var(--blur-3xl));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,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-all{transition-property:all;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.duration-300{--tw-duration:.3s;transition-duration:.3s}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.select-all{-webkit-user-select:all;user-select:all}@media (hover:hover){.group-hover\:text-primary-600:is(:where(.group):hover *){color:var(--color-primary-600)}.hover\:bg-slate-100:hover{background-color:var(--color-slate-100)}}@media (min-width:40rem){.sm\:min-w-\[160px\]{min-width:160px}.sm\:gap-6{gap:calc(var(--spacing) * 6)}.sm\:px-0{padding-inline:0}.sm\:px-6{padding-inline:calc(var(--spacing) * 6)}.sm\:text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.sm\:text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}}@media (min-width:48rem){.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:text-5xl{font-size:var(--text-5xl);line-height:var(--tw-leading,var(--text-5xl--line-height))}.md\:text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}}@media (min-width:64rem){.lg\:px-8{padding-inline:calc(var(--spacing) * 8)}.lg\:text-5xl{font-size:var(--text-5xl);line-height:var(--tw-leading,var(--text-5xl--line-height))}}.dark\:scale-50:where(.dark,.dark *){--tw-scale-x:50%;--tw-scale-y:50%;--tw-scale-z:50%;scale:var(--tw-scale-x) var(--tw-scale-y)}.dark\:scale-100:where(.dark,.dark *){--tw-scale-x:100%;--tw-scale-y:100%;--tw-scale-z:100%;scale:var(--tw-scale-x) var(--tw-scale-y)}.dark\:border-slate-800:where(.dark,.dark *){border-color:var(--color-slate-800)}.dark\:border-slate-800\/50:where(.dark,.dark *){border-color:#1d293d80}@supports (color:color-mix(in lab,red,red)){.dark\:border-slate-800\/50:where(.dark,.dark *){border-color:color-mix(in oklab,var(--color-slate-800) 50%,transparent)}}.dark\:bg-blue-900\/30:where(.dark,.dark *){background-color:#1c398e4d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-blue-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-blue-900) 30%,transparent)}}.dark\:bg-green-900\/30:where(.dark,.dark *){background-color:#0d542b4d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-green-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-green-900) 30%,transparent)}}.dark\:bg-indigo-900\/30:where(.dark,.dark *){background-color:#312c854d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-indigo-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-indigo-900) 30%,transparent)}}.dark\:bg-orange-900\/30:where(.dark,.dark *){background-color:#7e2a0c4d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-orange-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-orange-900) 30%,transparent)}}.dark\:bg-pink-900\/30:where(.dark,.dark *){background-color:#8610434d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-pink-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-pink-900) 30%,transparent)}}.dark\:bg-purple-900\/30:where(.dark,.dark *){background-color:#59168b4d}@supports (color:color-mix(in lab,red,red)){.dark\:bg-purple-900\/30:where(.dark,.dark *){background-color:color-mix(in oklab,var(--color-purple-900) 30%,transparent)}}.dark\:bg-slate-900:where(.dark,.dark *){background-color:var(--color-slate-900)}.dark\:text-blue-400:where(.dark,.dark *){color:var(--color-blue-400)}.dark\:text-green-400:where(.dark,.dark *){color:var(--color-green-400)}.dark\:text-indigo-400:where(.dark,.dark *){color:var(--color-indigo-400)}.dark\:text-orange-400:where(.dark,.dark *){color:var(--color-orange-400)}.dark\:text-pink-400:where(.dark,.dark *){color:var(--color-pink-400)}.dark\:text-primary-400:where(.dark,.dark *){color:var(--color-primary-400)}.dark\:text-purple-400:where(.dark,.dark *){color:var(--color-purple-400)}.dark\:text-slate-100:where(.dark,.dark *){color:var(--color-slate-100)}.dark\:text-slate-300:where(.dark,.dark *){color:var(--color-slate-300)}.dark\:text-slate-400:where(.dark,.dark *){color:var(--color-slate-400)}.dark\:opacity-0:where(.dark,.dark *){opacity:0}.dark\:opacity-100:where(.dark,.dark *){opacity:1}@media (hover:hover){.dark\:group-hover\:text-primary-400:where(.dark,.dark *):is(:where(.group):hover *){color:var(--color-primary-400)}.dark\:hover\:bg-slate-800:where(.dark,.dark *):hover{background-color:var(--color-slate-800)}}}body{font-family:"Alibaba PuHuiTi 2.0",Alibaba PuHuiTi,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.glass{-webkit-backdrop-filter:blur(20px);background:#ffffffd9}.dark .glass{background:#0f172ad9}.nav-safe-area{padding-top:80px}.card-hover{transition:all .3s cubic-bezier(.4,0,.2,1)}.card-hover:hover{transform:translateY(-4px);box-shadow:0 20px 40px -10px #0000001a}.dark .card-hover:hover{box-shadow:0 20px 40px -10px #00000080}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.dark ::-webkit-scrollbar-thumb{background:#334155}.dark ::-webkit-scrollbar-thumb:hover{background:#475569}.shadow-glow{box-shadow:0 0 20px #3b82f680}.shadow-soft{box-shadow:0 2px 15px -3px #00000012,0 10px 20px -2px #0000000a}html{scroll-behavior:smooth}body{min-height:100vh;overflow-x:hidden}.page{display:none}.page.active{display:block}.fas,.far,.fab{font-variant:normal;text-rendering:auto;font-style:normal;line-height:1;display:inline-block}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0%}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}*{margin:0;padding:0;box-sizing:border-box}.words-grid,.responsive-grid{display:grid!important;grid-template-columns:repeat(10,1fr)!important;gap:.5rem!important;width:100%!important;max-width:100%!important}@media (max-width: 1200px){.words-grid,.responsive-grid{grid-template-columns:repeat(8,1fr)!important}}@media (max-width: 900px){.words-grid,.responsive-grid{grid-template-columns:repeat(6,1fr)!important}}@media (max-width: 640px){.words-grid,.responsive-grid{grid-template-columns:repeat(3,1fr)!important;gap:.4rem!important}}@media (max-width: 480px){.words-grid,.responsive-grid{grid-template-columns:repeat(3,1fr)!important;gap:.35rem!important}.word-block{min-width:0!important;padding:.5rem .25rem!important}.word-english{font-size:.8rem!important}.word-chinese{font-size:.7rem!important}}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6;overflow-x:hidden}:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--bg-light: #fafafa;--bg-dark: #0f172a;--surface-light: #ffffff;--surface-dark: #1e293b;--text-primary: #1e293b;--text-secondary: #64748b;--text-light: #94a3b8;--border-light: rgba(0, 0, 0, .05);--border-dark: rgba(255, 255, 255, .05);--shadow-soft: 0 2px 15px -3px rgba(0, 0, 0, .07), 0 10px 20px -2px rgba(0, 0, 0, .04);--shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, .1)}.dark{--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-light: #64748b}.quiz-container{max-width:600px;margin:0 auto}.quiz-question{font-size:1.5rem;text-align:center;margin-bottom:2rem;color:var(--text-primary);font-weight:600}.quiz-question .audio-button{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;width:44px;height:44px;border-radius:50%;cursor:pointer;margin-left:.75rem;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 12px #3b82f64d}.quiz-question .audio-button:hover{transform:scale(1.1);box-shadow:0 6px 20px #3b82f666}.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:2rem}.quiz-option{position:relative;background:#f8fafc;padding:1.25rem 3.5rem 1.25rem 1.25rem;border:2px solid #e2e8f0;border-radius:1rem;cursor:pointer;transition:all .3s ease;font-size:1rem;text-align:center;color:var(--text-primary);font-weight:500}.dark .quiz-option{background:#1e293b;border-color:#334155;color:#f1f5f9}.quiz-option:hover{border-color:var(--primary-500);background:var(--primary-50);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f626}.quiz-option.correct{background:#dcfce7;border-color:#22c55e;color:#166534}.quiz-option.incorrect{background:#fee2e2;border-color:#ef4444;color:#991b1b}.audio-option-button{position:absolute;right:1rem;top:50%;transform:translateY(-50%);background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:50%;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:none;box-shadow:0 2px 8px #3b82f64d;z-index:1}.audio-option-button i{font-size:.8rem;color:#fff}.dark .audio-option-button{background:linear-gradient(135deg,#2563eb,#1d4ed8);box-shadow:0 2px 8px #3b82f633}.quiz-navigation{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-light)}.dark .quiz-navigation{border-color:var(--border-dark)}.quiz-nav-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.75rem;cursor:pointer;font-weight:600;transition:all .3s ease;box-shadow:0 4px 12px #3b82f64d}.quiz-nav-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.quiz-nav-btn:disabled{background:#cbd5e1;cursor:not-allowed;transform:none;box-shadow:none}.dark .quiz-nav-btn:disabled{background:#475569}.quiz-progress{text-align:center;font-weight:700;color:var(--primary-600);font-size:1.1rem}.audio-controls{display:flex;gap:1rem;align-items:center;justify-content:center;margin:2rem 0}.play-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:1rem 2.5rem;border-radius:9999px;font-size:1.1rem;cursor:pointer;transition:all .3s ease;font-weight:600;box-shadow:0 4px 12px #3b82f64d;display:inline-flex;align-items:center;gap:.5rem}.play-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #3b82f666}.playlist-container{background:#fff;padding:2rem;border-radius:1rem}.dark .playlist-container{background:var(--surface-dark)}.playlist-item{display:flex;align-items:center;padding:1rem;border-bottom:1px solid #e2e8f0;transition:all .3s ease;border-radius:.75rem}.dark .playlist-item{border-color:#334155}.playlist-item:hover{background:#f8fafc;transform:translate(4px)}.dark .playlist-item:hover{background:#ffffff0d}.playlist-item-info{flex:1}.playlist-item-title{font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.playlist-item-description{color:var(--text-secondary);font-size:.9rem}.playlist-item-actions{display:flex;gap:.5rem}.playlist-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:.5rem 1rem;border-radius:.5rem;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .3s ease}.playlist-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.progress-container{background:#fff;padding:2rem;border-radius:1rem}.dark .progress-container{background:var(--surface-dark)}.progress-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.progress-stat{text-align:center;padding:1.5rem;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border-radius:1rem;box-shadow:0 4px 12px #3b82f64d}.progress-stat-value{font-size:2.5rem;font-weight:800}.progress-stat-label{font-size:.9rem;margin-top:.5rem;opacity:.9}.progress-details{margin-top:2rem}.progress-item{padding:1.25rem;border-bottom:1px solid #e2e8f0}.dark .progress-item{border-color:#334155}.progress-item-label{font-weight:600;color:var(--text-primary);margin-bottom:.75rem}.progress-item-bar{background:#e2e8f0;height:12px;border-radius:9999px;overflow:hidden}.dark .progress-item-bar{background:#334155}.progress-item-fill{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);height:100%;transition:width .5s ease;border-radius:9999px}.progress-item-value{text-align:right;color:var(--primary-600);font-weight:700;margin-top:.5rem;font-size:.9rem}.dark .progress-item-value{color:var(--primary-400)}.scene-selection{margin-bottom:2rem}.scene-selection-container{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center}.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;width:100%}.scene-card{background:#fff;border-radius:1rem;padding:1.5rem;text-align:center;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-soft);border:2px solid transparent}.dark .scene-card{background:var(--surface-dark)}.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-200)}.dark .scene-card:hover{border-color:var(--primary-700)}.scene-icon{font-size:2.5rem;margin-bottom:.75rem}.scene-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.scene-info{color:var(--text-secondary);font-size:.9rem}.scene-count{font-size:.8rem;color:var(--text-light);margin:.5rem 0}.current-scene{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;padding:.2rem .8rem;border-radius:6px;display:inline-block;margin-left:.5rem;font-weight:700}.dictation-selection{max-width:1400px;margin:0 auto;padding:0 1.5rem 100px}@media (min-width: 1200px){.dictation-selection{padding:0 3rem 100px}}@media (max-width: 640px){.dictation-selection{padding:0 .75rem 100px}}@media (max-width: 480px){.dictation-selection{padding:0 .5rem 100px}}.selection-header{text-align:center;margin-bottom:1.5rem}.selection-header h3{color:var(--text-primary);margin-bottom:.5rem;font-size:1.25rem;font-weight:700}.selection-header p{color:var(--text-secondary);font-size:.9rem}.selection-controls{text-align:center;margin-bottom:1.5rem}.selection-controls .primary-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:.6rem 1.5rem;border-radius:.625rem;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;box-shadow:0 2px 8px #3b82f640}.selection-controls .primary-btn:hover{box-shadow:0 4px 12px #3b82f659}.dictation-sticky-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e2e8f0;box-shadow:0 -4px 20px #00000014;z-index:100;padding:1rem 1.5rem;padding-bottom:calc(1rem + env(safe-area-inset-bottom,0px))}.dark .dictation-sticky-bar{background:#1e293b;border-top-color:#334155}.sticky-bar-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:1rem;padding:0 1.5rem}@media (min-width: 1200px){.sticky-bar-content{padding:0 3rem}}.selected-info{display:flex;align-items:baseline;gap:.25rem;flex-shrink:0}.selected-label{font-size:.85rem;color:var(--text-secondary)}.selected-count{font-size:1.5rem;font-weight:800;color:var(--primary-600)}.dark .selected-count{color:var(--primary-400)}.selected-total{font-size:.9rem;color:var(--text-light)}.selected-preview{flex:1;font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.sticky-start-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.625rem;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #3b82f640;flex-shrink:0}.sticky-start-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659;transform:translateY(-1px)}.sticky-start-btn:disabled{background:#cbd5e1;color:#94a3b8;cursor:not-allowed;box-shadow:none}.dark .sticky-start-btn:disabled{background:#475569;color:#64748b}.words-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.5rem;margin:0 auto 1.5rem;max-width:100%;justify-content:center;width:100%}@media (max-width: 640px){.words-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.4rem}}@media (max-width: 480px){.words-grid{grid-template-columns:repeat(3,1fr);gap:.35rem}}@media (max-width: 360px){.words-grid{grid-template-columns:repeat(3,1fr);gap:.3rem}}.word-block{background:#fff;border:1px solid #e2e8f0;border-radius:.625rem;padding:.75rem .25rem;text-align:center;cursor:pointer;transition:all .2s ease;min-width:0;overflow:hidden}@media (min-width: 641px){.word-block{padding:.875rem .5rem}.word-block .word-english{white-space:nowrap;font-size:.9rem}}@media (min-width: 1200px){.word-block{padding:1rem .75rem}.word-block .word-english{font-size:1rem}.word-block .word-chinese{font-size:.85rem}}@media (max-width: 640px){.word-block{padding:.6rem .4rem}.word-english{font-size:.9rem}.word-chinese{font-size:.75rem}}@media (max-width: 480px){.word-block{padding:.5rem .3rem;border-radius:.5rem}.word-english{font-size:.85rem;margin-bottom:.15rem}.word-chinese{font-size:.7rem}}.dark .word-block{background:#1e293b;border-color:#334155}.word-block:hover{border-color:var(--primary-400);background:var(--primary-50);transform:translateY(-2px)}.dark .word-block:hover{background:#3b82f61a}.word-block.selected{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border-color:var(--primary-500);box-shadow:0 4px 12px #3b82f640}.word-english{font-size:1rem;font-weight:600;margin-bottom:.25rem}.word-chinese{font-size:.8rem;color:var(--text-secondary)}.word-block.selected .word-chinese{color:#ffffffe6}.selected-summary{background:#f8fafc;padding:1rem;border-radius:.75rem;text-align:center}.dark .selected-summary{background:#1e293b}.selected-count{font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:.75rem}.selected-words{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center;margin-bottom:.75rem;min-height:32px}.selected-word{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;padding:.2rem .6rem;border-radius:.375rem;font-size:.85rem;font-weight:500}#start-dictation-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:.6rem 1.5rem;border-radius:.625rem;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;box-shadow:0 2px 8px #3b82f640}#start-dictation-btn:hover:not(.disabled){box-shadow:0 4px 12px #3b82f659}#start-dictation-btn.disabled{background:#cbd5e1;cursor:not-allowed;opacity:.6;box-shadow:none}.dark #start-dictation-btn.disabled{background:#475569}.dictation-practice{max-width:600px;margin:0 auto}.practice-header{text-align:center;margin-bottom:1.25rem}.practice-header h3{color:var(--text-primary);margin-bottom:.25rem;font-size:1.25rem;font-weight:700}.practice-header p{color:var(--text-secondary);font-size:.9rem;margin-bottom:.5rem}.progress-info{font-size:.85rem;font-weight:600;color:var(--text-secondary);background:#f8fafc;padding:.35rem .75rem;border-radius:.375rem;display:inline-block}.dark .progress-info{background:#1e293b}.practice-list{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.25rem}.dictation-item{display:flex;align-items:center;gap:.75rem;background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;padding:.875rem 1rem;transition:all .2s ease}.dark .dictation-item{background:#1e293b;border-color:#334155}.dictation-number{display:flex;align-items:center;justify-content:center;min-width:28px;height:28px;background:#f1f5f9;color:var(--text-secondary);font-size:.85rem;font-weight:700;border-radius:.375rem;flex-shrink:0}.dark .dictation-number{background:#334155;color:#94a3b8}.audio-btn{display:flex;align-items:center;gap:.4rem;padding:.5rem .875rem;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;border-radius:.5rem;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease;flex-shrink:0}.audio-btn:hover{box-shadow:0 4px 12px #3b82f640}.audio-btn i{font-size:.9rem}.dictation-result{margin-left:auto}.result-btn{padding:.5rem .875rem;border:none;border-radius:.5rem;cursor:pointer;font-size:.85rem;font-weight:600;transition:all .2s ease}.correct-btn{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border-color:#2563eb}.dark .correct-btn{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;border-color:#3b82f6}.correct-btn:hover{background:linear-gradient(135deg,#2563eb,#1d4ed8);box-shadow:0 4px 12px #2563eb4d}.dark .correct-btn:hover{background:linear-gradient(135deg,#1d4ed8,#1e40af);box-shadow:0 4px 12px #3b82f64d}.correct-btn:disabled{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}.dark .correct-btn:disabled{background:#374151;color:#6b7280}.correct-btn.correct-clicked{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;box-shadow:0 4px 12px #16a34a80}.dark .correct-btn.correct-clicked{background:linear-gradient(135deg,#16a34a,#15803d);box-shadow:0 4px 12px #22c55e66}.wrong-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-color:#dc2626}.dark .wrong-btn{background:linear-gradient(135deg,#dc2626,#b91c1c);color:#fff;border-color:#ef4444}.wrong-btn:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);box-shadow:0 4px 12px #dc26264d}.dark .wrong-btn:hover{background:linear-gradient(135deg,#b91c1c,#991b1b);box-shadow:0 4px 12px #ef44444d}.wrong-btn:disabled{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}.dark .wrong-btn:disabled{background:#374151;color:#6b7280}.wrong-btn.wrong-clicked{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 12px #dc262680}.dark .wrong-btn.wrong-clicked{background:linear-gradient(135deg,#dc2626,#b91c1c);box-shadow:0 4px 12px #ef444466}.wrong-btn.wrong-clicked i{font-size:1.1em;animation:checkmark .3s ease-in-out}.answer-btn{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border-color:#d97706}.dark .answer-btn{background:linear-gradient(135deg,#d97706,#b45309);color:#fff;border-color:#f59e0b}.answer-btn:hover{background:linear-gradient(135deg,#d97706,#b45309);box-shadow:0 4px 12px #d977064d}.dark .answer-btn:hover{background:linear-gradient(135deg,#b45309,#92400e);box-shadow:0 4px 12px #f59e0b4d}.correct-btn.correct-clicked{background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;border-color:#15803d;box-shadow:0 4px 12px #16a34a80}.dark .correct-btn.correct-clicked{background:linear-gradient(135deg,#15803d,#166534);color:#fff;border-color:#16a34a;box-shadow:0 4px 12px #22c55e66}.correct-btn.correct-clicked i{font-size:1.1em;animation:checkmark .3s ease-in-out}@keyframes checkmark{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.dictation-practice .stats-info{display:flex;gap:1.5rem;font-size:.9rem;color:var(--text-secondary);margin-top:.5rem}.dictation-practice .stats-info strong{color:var(--primary-600);font-size:1.1rem}.dark .dictation-practice .stats-info strong{color:var(--primary-400)}.stats-info-center{display:flex;justify-content:center;align-items:center;gap:3rem;margin:1.5rem 0;padding:1rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:.875rem;font-size:1.1rem;color:var(--text-secondary);box-shadow:0 2px 8px #0000000d}.dark .stats-info-center{background:linear-gradient(135deg,#334155,#1e293b);color:var(--text-secondary)}.stats-info-center strong{color:var(--primary-600);font-size:1.3rem;font-weight:700}.dark .stats-info-center strong{color:var(--primary-400)}.answer-display{margin-top:.5rem;padding:.5rem 1rem;background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid #fed7aa;border-radius:.5rem;animation:fadeIn .3s ease}.dark .answer-display{background:linear-gradient(135deg,#7c2d12,#9a3412);border-color:#ea580c}.answer-content{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.answer-label{color:#ea580c;font-weight:600}.dark .answer-label{color:#fbbf24}.answer-word{color:#c2410c;font-weight:700;font-size:1rem;letter-spacing:.05em}.dark .answer-display .answer-word{color:#fbbf24}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.result-display{display:flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;color:#16a34a}.dark .result-display{color:#4ade80}.practice-controls{display:flex;justify-content:space-between;gap:.75rem;padding-top:.75rem;border-top:1px solid #e2e8f0}.dark .practice-controls{border-color:#334155}.practice-controls .nav-btn{padding:.6rem 1.25rem;border-radius:.625rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none}.practice-controls .primary-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;margin-left:auto;box-shadow:0 2px 8px #3b82f640}.practice-controls .secondary-btn{background:#f1f5f9;color:var(--text-secondary)}.dark .practice-controls .secondary-btn{background:#334155;color:#94a3b8}@media (max-width: 640px){.dictation-item{padding:.75rem}.audio-btn span{display:none}.audio-btn{padding:.5rem .75rem}.result-btn{padding:.5rem .75rem;font-size:.8rem}}.quiz-practice-container{max-width:720px;margin:0 auto}.question-card{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);padding:1.25rem 1.5rem;border-radius:1rem;margin-bottom:1.25rem;box-shadow:0 8px 24px -8px #3b82f659}.question-content{flex:1}.question-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.question-number{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;background:#fff3;color:#fff;font-size:.9rem;font-weight:700;border-radius:.5rem}.question-type{font-size:.85rem;font-weight:600;color:#ffffffd9;background:#ffffff26;padding:.25rem .75rem;border-radius:.375rem}.question-body{display:flex;align-items:center;gap:1rem}.text-question{display:flex;align-items:center;gap:.75rem}.question-text{font-size:1.5rem;font-weight:700;color:#fff;line-height:1.4}.audio-question{display:flex;align-items:center}.question-audio-btn{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;background:#fff3;border:none;border-radius:.5rem;color:#fff;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.question-audio-btn:hover{background:#ffffff59;transform:scale(1.02)}.question-audio-btn i{font-size:1.1rem}.question-progress{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem;margin-left:1rem}.progress-text{font-size:.85rem;font-weight:600;color:#ffffffb3}.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.25rem}.quiz-option{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;cursor:pointer;transition:all .2s ease;position:relative}.dark .quiz-option{background:#1e293b;border-color:#334155}.quiz-option:hover{border-color:var(--primary-400);background:var(--primary-50);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f61a}.dark .quiz-option:hover{background:#3b82f61a}.quiz-option.correct{background:#f0fdf4;border-color:#22c55e}.dark .quiz-option.correct{background:#22c55e26}.quiz-option.incorrect{background:#fef2f2;border-color:#ef4444}.dark .quiz-option.incorrect{background:#ef444426}.option-number{display:flex;align-items:center;justify-content:center;min-width:28px;height:28px;background:#f1f5f9;color:var(--text-secondary);font-size:.85rem;font-weight:700;border-radius:.375rem;flex-shrink:0}.quiz-option:hover .option-number{background:var(--primary-100);color:var(--primary-700)}.quiz-option.correct .option-number{background:#22c55e;color:#fff}.quiz-option.incorrect .option-number{background:#ef4444;color:#fff}.option-text{font-size:1rem;font-weight:500;color:var(--text-primary);line-height:1.4;flex:1;min-width:0;word-break:break-word}.quiz-option .option-text{padding-right:0}.quiz-option:has(.audio-option-button) .option-text{padding-right:3rem}.dark .option-text{color:#f1f5f9}.quiz-practice-container .quiz-navigation{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding-top:.75rem;border-top:1px solid #e2e8f0;position:relative}.dark .quiz-practice-container .quiz-navigation{border-color:#334155}.quiz-practice-container .nav-btn{display:flex;align-items:center;gap:.4rem;padding:.6rem 1.25rem;border:none;border-radius:.625rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.quiz-practice-container .nav-btn:disabled{opacity:.5;cursor:not-allowed}.quiz-practice-container .prev-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;box-shadow:0 2px 8px #3b82f640}.dark .quiz-practice-container .prev-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff}.quiz-practice-container .prev-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659}.quiz-practice-container .next-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;margin-left:auto;box-shadow:0 2px 8px #3b82f640}.quiz-practice-container .next-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659}.quiz-practice-container .quiz-feedback{font-size:1rem;font-weight:600;padding:.5rem 1rem;border-radius:.5rem;position:absolute;left:50%;transform:translate(-50%);white-space:nowrap}.quiz-practice-container .quiz-feedback.correct{color:#16a34a;background:#f0fdf4}.quiz-practice-container .quiz-feedback.incorrect{color:#dc2626;background:#fef2f2}@media (max-width: 640px){.quiz-options{grid-template-columns:1fr}.question-card{padding:1rem 1.25rem;flex-direction:column;align-items:flex-start;gap:.75rem}.question-text{font-size:1.1rem}.question-progress{margin-left:0;align-items:flex-start}.question-body{flex-wrap:wrap}.quiz-option{padding:.875rem 1rem}.difficulty-badge{font-size:.6rem;top:.5rem;right:-2rem;padding:.1rem 2rem}.option-text{font-size:.9rem}}.sentence-practice-container{max-width:720px;margin:0 auto}.sentence-practice-container .prev-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;box-shadow:0 2px 8px #3b82f640}.dark .sentence-practice-container .prev-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff}.sentence-practice-container .prev-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659}.sentence-practice-container .next-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;box-shadow:0 2px 8px #3b82f640}.sentence-practice-container .next-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659}.word-card{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);padding:1.25rem 1.5rem;border-radius:1rem;margin-bottom:1.25rem;box-shadow:0 8px 24px -8px #3b82f659}.word-content{flex:1}.word-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem}.word-number{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;background:#fff3;color:#fff;font-size:.9rem;font-weight:700;border-radius:.5rem}.word-title{font-size:2.25rem;font-weight:800;color:#fff;margin:0;letter-spacing:-.02em}.word-pronunciation{font-size:1.1rem;color:#fffc;margin:0;font-weight:500;padding-left:2.75rem}.word-actions{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}.word-progress{font-size:.85rem;font-weight:600;color:#ffffffb3}.word-audio-btn{width:44px;height:44px;border-radius:50%;border:none;background:#fff3;color:#fff;font-size:1.1rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.word-audio-btn:hover{background:#ffffff59;transform:scale(1.05)}.word-audio-btn:active{transform:scale(.95)}.sentences-area{margin-bottom:1rem}.sentences-title{display:flex;align-items:center;gap:.5rem;font-size:.95rem;font-weight:600;color:var(--text-secondary);margin-bottom:.75rem}.sentences-title i{color:var(--primary-500);font-size:1rem}.sentences-list{display:flex;flex-direction:column;gap:.75rem}.sentence-item{background:#fff;border-radius:.75rem;border:1px solid #e2e8f0;padding:.875rem 1rem;transition:all .2s ease}.dark .sentence-item{background:#1e293b;border-color:#334155}.sentence-item:hover{border-color:var(--primary-300);box-shadow:0 2px 12px #3b82f614}.dark .sentence-item:hover{border-color:var(--primary-700)}.sentence-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%}.sentence-content{flex:1;min-width:0}.sentence-chinese-text{font-size:1.05rem;font-weight:500;color:var(--text-primary);line-height:1.5;margin:0}.sentence-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--primary-100);color:var(--primary-700);font-size:.8rem;font-weight:700;border-radius:50%;margin-right:.6rem;flex-shrink:0}.dark .sentence-num{background:var(--primary-900);color:var(--primary-300)}.sentence-translation-panel{margin-top:.5rem;animation:slideDown .25s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.english-answer{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:linear-gradient(135deg,#fff7ed,#ffedd5);border-radius:.5rem;border:1px solid #fed7aa;min-height:2rem;max-height:2.5rem}.dark .english-answer{background:linear-gradient(135deg,#7c2d12,#9a3412);border-color:#ea580c}.sentence-english-text{font-size:.85rem;font-weight:600;color:#c2410c;line-height:1.2;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dark .sentence-english-text{color:#fbbf24}.sentence-audio-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:#fff;color:var(--primary-600);border:1px solid var(--primary-300);border-radius:50%;cursor:pointer;transition:all .2s ease;flex-shrink:0;box-shadow:0 2px 6px #3b82f633}.dark .sentence-audio-btn{background:#1e293bcc;color:var(--primary-400);border-color:#3b82f666}.sentence-audio-btn:hover{background:var(--primary-500);color:#fff;border-color:var(--primary-500);transform:scale(1.08);box-shadow:0 4px 12px #3b82f659}.sentence-audio-btn:active{transform:scale(.95)}.sentence-audio-btn i{font-size:.9rem}.sentence-actions{display:flex;gap:.5rem;flex-shrink:0;align-items:center}.sentence-answer-panel{margin-top:.75rem;padding:.75rem 1rem;background:linear-gradient(135deg,#fff7ed,#ffedd5);border:1px solid #fed7aa;border-radius:.5rem;animation:slideDown .3s ease}.dark .sentence-answer-panel{background:linear-gradient(135deg,#7c2d12,#9a3412);border-color:#ea580c}.sentence-answer-content{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.sentence-answer-text{margin:0;font-size:.95rem;font-weight:600;color:#c2410c;line-height:1.5;word-wrap:break-word;white-space:normal;flex:1}.dark .sentence-answer-text{color:#fbbf24}.sentence-answer-panel .sentence-audio-btn{width:32px;height:32px}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px);max-height:0}to{opacity:1;transform:translateY(0);max-height:200px}}.sentence-feedback{height:48px;margin-bottom:.75rem;display:flex;align-items:center;justify-content:center}.sentence-feedback.show{animation:feedbackSlideIn .3s ease}@keyframes feedbackSlideIn{0%{opacity:0;transform:translateY(-12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.feedback-content{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.25rem;border-radius:.75rem;font-size:1rem;font-weight:600;box-shadow:0 2px 12px #00000014}.feedback-content.correct{background:#f0fdf4;color:#16a34a}.feedback-content i{font-size:1.25rem}.sentence-navigation{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding-top:.75rem;border-top:1px solid #e2e8f0}.dark .sentence-navigation{border-color:#334155}.nav-btn{display:flex;align-items:center;gap:.4rem;padding:.6rem 1.25rem;border:none;border-radius:.625rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease}.nav-btn:disabled{opacity:.5;cursor:not-allowed}.prev-btn{background:#3b82f6;color:var(--text-secondary)}.prev-btn:hover:not(:disabled){background:#3b82f6}.dark .prev-btn{background:#334155;color:#94a3b8}.dark .prev-btn:hover:not(:disabled){background:334155}.next-btn{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;margin-left:auto;box-shadow:0 2px 8px #3b82f640}.next-btn:hover:not(:disabled){box-shadow:0 4px 12px #3b82f659}.difficulty-selection{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .25s ease}.difficulty-content{background:#fff;padding:2rem;border-radius:1.5rem;text-align:center;max-width:580px;width:90%;box-shadow:0 16px 48px #0003;animation:scaleIn .3s ease}.dark .difficulty-content{background:#1e293b}.difficulty-title{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin-bottom:.25rem}.difficulty-subtitle{font-size:.9rem;color:var(--text-secondary);margin-bottom:1.5rem}.difficulty-options{display:flex;flex-direction:column;gap:.75rem}.difficulty-card{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border-radius:.875rem;cursor:pointer;transition:all .2s ease;border:2px solid transparent;text-align:left}.difficulty-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000001a}.difficulty-card-left{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.difficulty-card-icon{font-size:1.5rem;text-align:center}.difficulty-card-title{font-size:1.1rem;font-weight:700;white-space:nowrap}.difficulty-card-right{flex:1;min-width:0;text-align:right}.difficulty-card-desc{font-size:.8rem;opacity:.8}.difficulty-card-tags{font-size:.75rem;font-weight:600;opacity:.7}.difficulty-card-easy{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-color:#86efac;color:#166534}.difficulty-card-easy:hover{border-color:#22c55e;background:linear-gradient(135deg,#dcfce7,#bbf7d0)}.dark .difficulty-card-easy{background:linear-gradient(135deg,#14532d,#166534);border-color:#22c55e;color:#bbf7d0}.difficulty-card-normal{background:linear-gradient(135deg,#fefce8,#fef08a);border-color:#fde047;color:#854d0e}.difficulty-card-normal:hover{border-color:#eab308;background:linear-gradient(135deg,#fef08a,#fde047)}.dark .difficulty-card-normal{background:linear-gradient(135deg,#713f12,#854d0e);border-color:#eab308;color:#fef08a}.difficulty-card-hard{background:linear-gradient(135deg,#fef2f2,#fee2e2);border-color:#fca5a5;color:#991b1b}.difficulty-card-hard:hover{border-color:#ef4444;background:linear-gradient(135deg,#fee2e2,#fecaca)}.dark .difficulty-card-hard{background:linear-gradient(135deg,#7f1d1d,#991b1b);border-color:#ef4444;color:#fecaca}.question-card{position:relative;overflow:hidden}.difficulty-badge{position:absolute;top:.6rem;right:-1.8rem;padding:.15rem 2rem;font-size:.65rem;font-weight:700;white-space:nowrap;z-index:2;text-align:center;transform:rotate(45deg);letter-spacing:.05em}.difficulty-easy{background:#22c55e;color:#166534}.difficulty-medium{background:#eab308;color:#fff}.difficulty-hard{background:#ef4444;color:#fff}.dark .difficulty-easy{background:#22c55e;color:#052e16}.dark .difficulty-medium{background:#eab308;color:#422006}.dark .difficulty-hard{background:#ef4444;color:#fff}@media (max-width: 640px){.difficulty-content{padding:1.5rem}.difficulty-card{padding:.875rem 1rem;gap:.6rem}.difficulty-card-icon{font-size:1.25rem}.difficulty-card-title{font-size:.95rem}.difficulty-card-desc{font-size:.75rem}.difficulty-card-tags{font-size:.7rem}}.quiz-summary{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.summary-content{background:#fff;padding:2rem;border-radius:1.5rem;text-align:center;max-width:400px;width:90%;box-shadow:0 16px 48px #0003;animation:scaleIn .3s ease}.dark .summary-content{background:#1e293b}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.summary-icon{font-size:3rem;margin-bottom:.75rem}.summary-content h3{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin-bottom:1.25rem}.summary-stats{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1.5rem;width:100%}.stat-box{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem 2rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:.875rem;min-width:140px;width:140px;height:120px}.dark .stat-box{background:linear-gradient(135deg,#334155,#1e293b)}.stat-box-accuracy{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #93c5fd}.dark .stat-box-accuracy{background:linear-gradient(135deg,#1e3a8a,#1e40af);border-color:#3b82f6}.stat-box-accuracy .stat-value{color:#1e40af}.dark .stat-box-accuracy .stat-value{color:#60a5fa}.stat-box-score{background:linear-gradient(135deg,#dcfce7,#bbf7d0);border:1px solid #86efac}.dark .stat-box-score{background:linear-gradient(135deg,#14532d,#166534);border-color:#22c55e}.stat-box-score .stat-value{color:#166534}.dark .stat-box-score .stat-value{color:#4ade80}.stat-box .stat-value{font-size:2rem;font-weight:800;color:var(--primary-600)}.dark .stat-box .stat-value{color:var(--primary-400)}.stat-box .stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:.25rem;white-space:nowrap}.goal-message{margin:1.5rem 0;padding:1rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:.875rem;border:1px solid #e2e8f0}.dark .goal-message{background:linear-gradient(135deg,#334155,#1e293b);border-color:#475569}.goal-text{margin:0;font-size:1rem;font-weight:600;color:var(--primary-600);text-align:center;line-height:1.5}.dark .goal-text{color:var(--primary-400)}.restart-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.875rem 1.5rem;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;border-radius:.75rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #3b82f640;white-space:nowrap;min-width:140px;width:140px}.restart-btn:hover{box-shadow:0 4px 12px #3b82f659}.restart-btn.secondary{background:#f1f5f9;color:var(--text-secondary);box-shadow:none}.dark .restart-btn.secondary{background:#334155;color:#94a3b8}.result-actions{display:flex;flex-direction:row;justify-content:center;gap:1.5rem;margin-top:1.5rem;width:100%}@media (max-width: 640px){.summary-stats{gap:1rem}.stat-box{min-width:110px;width:110px;height:100px;padding:1rem 1.5rem}.stat-box .stat-value{font-size:1.5rem}.stat-box .stat-label{font-size:.75rem}.result-actions{flex-direction:row;gap:.75rem}.result-actions .restart-btn{min-width:auto;width:auto;flex:1;padding:.75rem 1rem;font-size:.9rem}.sentence-practice-container{padding:0}.word-card{padding:1rem 1.25rem;margin-bottom:1rem}.word-pronunciation{font-size:1rem}.word-audio-btn{width:44px;height:44px;font-size:1.1rem}.sentence-item{padding:.75rem}.sentence-row{flex-direction:column;align-items:flex-start;gap:.75rem}.sentence-content{width:100%}.sentence-chinese-text{font-size:1rem}.sentence-num{width:20px;height:20px;font-size:.75rem}.sentence-actions{width:100%;justify-content:flex-end;gap:.4rem}.sentence-answer-panel{padding:.5rem .75rem;margin-top:.5rem}.sentence-answer-text{font-size:.85rem}.summary-content{padding:1.5rem}.word-header{gap:.5rem}.word-number{min-width:26px;height:26px;font-size:.8rem}.word-title{font-size:1.75rem}.word-pronunciation{font-size:.95rem;padding-left:2.25rem}.word-actions{flex-direction:row;align-items:center}.word-progress{font-size:.8rem}.word-audio-btn{width:40px;height:40px;font-size:1rem}.summary-icon{font-size:2.5rem}.stat-box{padding:.875rem 1.5rem}.stat-box .stat-value{font-size:1.75rem}}@media (max-width: 768px){.quiz-options,.learning-modes{grid-template-columns:1fr}.result-stats,.progress-info{flex-direction:column;gap:1rem}.practice-controls{flex-direction:column;align-items:center}.words-grid{grid-template-columns:repeat(4,minmax(130px,1fr));gap:.45rem}.word-block{min-height:70px;padding:.6rem .4rem;min-width:130px}.practice-grid,.progress-summary{grid-template-columns:1fr}.result-actions{flex-direction:row;gap:.75rem}.result-actions .restart-btn{min-width:auto;width:auto;flex:1;padding:.75rem 1rem;font-size:.9rem}}
