/*! tailwindcss v4.2.2 | 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-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-space-y-reverse:0;--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-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction: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-scale-x:1;--tw-scale-y:1;--tw-scale-z:1}}}@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;--color-red-500:oklch(63.7% .237 25.331);--color-orange-400:oklch(75% .183 55.934);--color-orange-500:oklch(70.5% .213 47.604);--color-amber-400:oklch(82.8% .189 84.429);--color-amber-500:oklch(76.9% .188 70.08);--color-yellow-400:oklch(85.2% .199 91.936);--color-green-400:oklch(79.2% .209 151.711);--color-emerald-400:oklch(76.5% .177 163.223);--color-emerald-500:oklch(69.6% .17 162.48);--color-teal-500:oklch(70.4% .14 182.503);--color-cyan-500:oklch(71.5% .143 215.221);--color-blue-400:oklch(70.7% .165 254.624);--color-indigo-500:oklch(58.5% .233 277.117);--color-violet-500:oklch(60.6% .25 292.717);--color-purple-400:oklch(71.4% .203 305.504);--color-slate-800:oklch(27.9% .041 260.031);--color-black:#000;--color-white:#fff;--spacing:.25rem;--container-sm:24rem;--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:calc(1.5 / 1);--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-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--text-3xl:1.875rem;--text-3xl--line-height:calc(2.25 / 1.875);--text-4xl:2.25rem;--text-4xl--line-height:calc(2.5 / 2.25);--text-6xl:3.75rem;--text-6xl--line-height:1;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--tracking-tight:-.025em;--radius-xl:.75rem;--radius-2xl:1rem;--radius-3xl:1.5rem;--blur-sm:8px;--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)}}@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{.pointer-events-none{pointer-events:none}.collapse{visibility:collapse}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.inset-0{inset:calc(var(--spacing) * 0)}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.top-0{top:calc(var(--spacing) * 0)}.z-10{z-index:10}.z-50{z-index:50}.z-\[1000\]{z-index:1000}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.mx-4{margin-inline:calc(var(--spacing) * 4)}.mx-auto{margin-inline:auto}.mt-0\.5{margin-top:calc(var(--spacing) * .5)}.mt-1{margin-top:calc(var(--spacing) * 1)}.mt-8{margin-top:calc(var(--spacing) * 8)}.mb-0\.5{margin-bottom:calc(var(--spacing) * .5)}.mb-1{margin-bottom:calc(var(--spacing) * 1)}.mb-2{margin-bottom:calc(var(--spacing) * 2)}.mb-3{margin-bottom:calc(var(--spacing) * 3)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.mb-6{margin-bottom:calc(var(--spacing) * 6)}.mb-8{margin-bottom:calc(var(--spacing) * 8)}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.table{display:table}.h-0\.5{height:calc(var(--spacing) * .5)}.h-1{height:calc(var(--spacing) * 1)}.h-4{height:calc(var(--spacing) * 4)}.h-10{height:calc(var(--spacing) * 10)}.h-28{height:calc(var(--spacing) * 28)}.h-40{height:calc(var(--spacing) * 40)}.h-full{height:100%}.min-h-screen{min-height:100vh}.w-4{width:calc(var(--spacing) * 4)}.w-10{width:calc(var(--spacing) * 10)}.w-28{width:calc(var(--spacing) * 28)}.w-40{width:calc(var(--spacing) * 40)}.w-full{width:100%}.max-w-sm{max-width:var(--container-sm)}.min-w-0{min-width:calc(var(--spacing) * 0)}.flex-1{flex:1}.flex-shrink-0{flex-shrink:0}.grow{flex-grow:1}.border-collapse{border-collapse:collapse}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:calc(var(--spacing) * 1)}.gap-1\.5{gap:calc(var(--spacing) * 1.5)}.gap-2{gap:calc(var(--spacing) * 2)}.gap-2\.5{gap:calc(var(--spacing) * 2.5)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.gap-5{gap:calc(var(--spacing) * 5)}.gap-6{gap:calc(var(--spacing) * 6)}:where(.space-y-4>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 4) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 4) * calc(1 - var(--tw-space-y-reverse)))}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.overflow-hidden{overflow:hidden}.overflow-visible{overflow:visible}.rounded{border-radius:.25rem}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-3xl{border-radius:var(--radius-3xl)}.rounded-\[16px\]{border-radius:16px}.rounded-\[20px\]{border-radius:20px}.rounded-full{border-radius:3.40282e38px}.rounded-xl{border-radius:var(--radius-xl)}.border{border-style:var(--tw-border-style);border-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.bg-black\/50{background-color:#00000080}@supports (color:color-mix(in lab, red, red)){.bg-black\/50{background-color:color-mix(in oklab, var(--color-black) 50%, transparent)}}.bg-white{background-color:var(--color-white)}.bg-gradient-to-r{--tw-gradient-position:to right in oklab;background-image:linear-gradient(var(--tw-gradient-stops))}.from-amber-400{--tw-gradient-from:var(--color-amber-400);--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))}.from-blue-400{--tw-gradient-from:var(--color-blue-400);--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))}.from-emerald-400{--tw-gradient-from:var(--color-emerald-400);--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))}.from-green-400{--tw-gradient-from:var(--color-green-400);--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))}.from-orange-400{--tw-gradient-from:var(--color-orange-400);--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))}.from-purple-400{--tw-gradient-from:var(--color-purple-400);--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))}.from-yellow-400{--tw-gradient-from:var(--color-yellow-400);--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-amber-500{--tw-gradient-to:var(--color-amber-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-cyan-500{--tw-gradient-to:var(--color-cyan-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-emerald-500{--tw-gradient-to:var(--color-emerald-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-indigo-500{--tw-gradient-to:var(--color-indigo-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-orange-500{--tw-gradient-to:var(--color-orange-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-red-500{--tw-gradient-to:var(--color-red-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-teal-500{--tw-gradient-to:var(--color-teal-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-violet-500{--tw-gradient-to:var(--color-violet-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))}.bg-clip-text{-webkit-background-clip:text;background-clip:text}.p-0\.5{padding:calc(var(--spacing) * .5)}.p-5{padding:calc(var(--spacing) * 5)}.p-8{padding:calc(var(--spacing) * 8)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-6{padding-inline:calc(var(--spacing) * 6)}.py-1{padding-block:calc(var(--spacing) * 1)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-2\.5{padding-block:calc(var(--spacing) * 2.5)}.py-3{padding-block:calc(var(--spacing) * 3)}.py-12{padding-block:calc(var(--spacing) * 12)}.py-16{padding-block:calc(var(--spacing) * 16)}.pb-4{padding-bottom:calc(var(--spacing) * 4)}.text-center{text-align:center}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.text-4xl{font-size:var(--text-4xl);line-height:var(--tw-leading,var(--text-4xl--line-height))}.text-6xl{font-size:var(--text-6xl);line-height:var(--tw-leading,var(--text-6xl--line-height))}.text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--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))}.text-\[10px\]{font-size:10px}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-extrabold{--tw-font-weight:var(--font-weight-extrabold);font-weight:var(--font-weight-extrabold)}.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)}.whitespace-nowrap{white-space:nowrap}.text-transparent{color:#0000}.text-white{color:var(--color-white)}.italic{font-style:italic}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.shadow-2xl{--tw-shadow:0 25px 50px -12px var(--tw-shadow-color,#00000040);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-lg{--tw-shadow:0 10px 15px -3px var(--tw-shadow-color,#0000001a), 0 4px 6px -4px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);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}.filter{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-blur-sm{--tw-backdrop-blur:blur(var(--blur-sm));-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))}.duration-500{--tw-duration:.5s;transition-duration:.5s}.duration-700{--tw-duration:.7s;transition-duration:.7s}.select-none{-webkit-user-select:none;user-select:none}.\[al\:…\]{al:…}.\[al\:新概念英语（一）\]{al:新概念英语（一）}.\[al\:新概念英语（二）\]{al:新概念英语（二）}.\[ar\:…\]{ar:…}.\[bi\:f\]{bi:f}.\[bu\:t\]{bu:t}.\[by\:…\]{by:…}.\[by\:更多学习内容，请到VeryCD\.com搜索“露珠”\]{by:更多学习内容，请到VeryCD.com搜索“露珠”}.\[dri\:m\]{dri:m}.\[fi\:l\]{fi:l}.\[fi\:ld\]{fi:ld}.\[fu\:d\]{fu:d}.\[fu\:l\]{fu:l}.\[gri\:n\]{gri:n}.\[gri\:s\]{gri:s}.\[gru\:p\]{gru:p}.\[hu\:z\]{hu:z}.\[i\:st\]{i:st}.\[ju\:θ\]{ju:θ}.\[ki\:p\]{ki:p}.\[kri\:p\]{kri:p}.\[li\:v\]{li:v}.\[mi\:n\]{mi:n}.\[mi\:t\]{mi:t}.\[mu\:v\]{mu:v}.\[ni\:d\]{ni:d}.\[ni\:t\]{ni:t}.\[pli\:z\]{pli:z}.\[pu\:l\]{pu:l}.\[ri\:d\]{ri:d}.\[ru\:d\]{ru:d}.\[ru\:f\]{ru:f}.\[si\:m\]{si:m}.\[si\:n\]{si:n}.\[si\:t\]{si:t}.\[spi\:d\]{spi:d}.\[sti\:l\]{sti:l}.\[sti\:m\]{sti:m}.\[su\:n\]{su:n}.\[swi\:p\]{swi:p}.\[ti\:Escape\]{ti:Escape}.\[ti\:Persistent\]{ti:Persistent}.\[ti\:SOS\]{ti:SOS}.\[ti\:Taxi\]{ti:Taxi}.\[ti\:Volcanoes\]{ti:Volcanoes}.\[ti\:…\]{ti:…}.\[tru\:θ\]{tru:θ}.\[wi\:k\]{wi:k}.\[wi\:l\]{wi:l}@media (hover:hover){.hover\:scale-105:hover{--tw-scale-x:105%;--tw-scale-y:105%;--tw-scale-z:105%;scale:var(--tw-scale-x) var(--tw-scale-y)}.hover\:underline:hover{text-decoration-line:underline}.hover\:opacity-70:hover{opacity:.7}.hover\:opacity-90:hover{opacity:.9}.hover\:opacity-95:hover{opacity:.95}.hover\:shadow-md:hover{--tw-shadow:0 4px 6px -1px var(--tw-shadow-color,#0000001a), 0 2px 4px -2px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.hover\:shadow-sm:hover{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.hover\:shadow-xl:hover{--tw-shadow:0 20px 25px -5px var(--tw-shadow-color,#0000001a), 0 8px 10px -6px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}}.active\:scale-95:active{--tw-scale-x:95%;--tw-scale-y:95%;--tw-scale-z:95%;scale:var(--tw-scale-x) var(--tw-scale-y)}.active\:scale-\[0\.92\]:active{scale:.92}.active\:scale-\[0\.98\]:active{scale:.98}.disabled\:opacity-70:disabled{opacity:.7}@media (width>=40rem){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (prefers-color-scheme:dark){.dark\:bg-slate-800{background-color:var(--color-slate-800)}}}:root{--bg-primary:#fff;--bg-secondary:#fafbfe;--bg-card:#fff;--text-primary:#1e1b2e;--text-secondary:#5b5780;--text-muted:#9b97b8;--border-color:#eef0f6;--shadow-color:#6366f10d;--shadow-hover:#6366f11a;--gradient-primary:linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);--gradient-accent:linear-gradient(135deg, #c4b5fd 0%, #818cf8 100%);--gradient-warm:linear-gradient(135deg, #a5b4fc 0%, #818cf8 100%);--glass-bg:#fffc;--glass-border:#fff9;--radius-card:20px}.dark{--bg-primary:#100e1d;--bg-secondary:#16132a;--bg-card:#1e1a35;--text-primary:#ede9fe;--text-secondary:#a78bfa;--text-muted:#6b6894;--border-color:#2a2550;--shadow-color:#6366f11f;--shadow-hover:#6366f138;--glass-bg:#1e1a35cc;--glass-border:#a78bfa1f}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background-color:var(--bg-secondary);color:var(--text-primary);max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,sans-serif;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}.hero-headline{letter-spacing:-.02em;color:#1a1a2e;font-size:28px;font-weight:700;line-height:1.25}.section-header{text-transform:uppercase;letter-spacing:.08em;color:#8e8ea0;font-size:11px;font-weight:600}.card-title{letter-spacing:-.02em;font-size:17px;font-weight:600}.stat-number{font-size:22px;font-weight:700;line-height:1}.stat-label{color:#8e8ea0;font-size:11px;font-weight:500}.english-text{letter-spacing:.01em;font-family:Georgia,Times New Roman,Noto Serif,serif;line-height:1.5}.lesson-title{font-size:1rem;line-height:1.4}@media (width>=640px){.lesson-title{font-size:1.125rem}}.sentence-en-text{font-size:17px;font-weight:400;line-height:1.5}.sentence-zh-text{color:#8e8ea0;font-size:13px;font-weight:400;line-height:1.4}.gradient-primary{background:var(--gradient-primary)}.gradient-text{color:var(--text-primary)}.gradient-text-accent{color:#818cf8}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border)}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-card);box-shadow:0 1px 3px #0000000a}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-card);transition:box-shadow .2s,border-color .2s;box-shadow:0 1px 3px #0000000a}.card:hover{box-shadow:0 4px 16px var(--shadow-hover);border-color:#818cf833}.card-hover{transition:box-shadow .2s,border-color .2s}.card-hover:hover{box-shadow:0 4px 16px var(--shadow-hover);border-color:#818cf833}a,button{transition:opacity .2s,transform .2s,box-shadow .2s}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.animate-fade-in-up{animation:.4s cubic-bezier(.22,1,.36,1) forwards fadeInUp}.page-enter{animation:.35s cubic-bezier(.22,1,.36,1) fadeInUp}.stagger-children>*{opacity:0;animation:.4s cubic-bezier(.22,1,.36,1) forwards fadeInUp}.stagger-children>:first-child{animation-delay:40ms}.stagger-children>:nth-child(2){animation-delay:80ms}.stagger-children>:nth-child(3){animation-delay:.12s}.stagger-children>:nth-child(4){animation-delay:.16s}.stagger-children>:nth-child(5){animation-delay:.2s}.stagger-children>:nth-child(6){animation-delay:.24s}.stagger-children>:nth-child(7){animation-delay:.28s}.stagger-children>:nth-child(8){animation-delay:.32s}@keyframes confetti-fall{0%{opacity:1;transform:translateY(-100vh)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(720deg)}}.confetti-piece{z-index:1000;pointer-events:none;animation:3s ease-in forwards confetti-fall;position:fixed;top:-20px}@keyframes celebration-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.celebration-pulse{animation:.5s ease-in-out 3 celebration-pulse}@keyframes glow-breathe{0%,to{box-shadow:0 0 12px #818cf840,0 4px 15px #a78bfa26}50%{box-shadow:0 0 24px #818cf873,0 4px 25px #a78bfa47}}.glow-button{animation:2.5s ease-in-out infinite glow-breathe}@keyframes sentence-glow{0%,to{box-shadow:0 0 0 1px #818cf840}50%{box-shadow:0 0 0 2px #a78bfa59}}.sentence-playing{animation:2s ease-in-out infinite sentence-glow;background:#f5f3ff!important}.sentence-active{transform:scale(1.003)}.sentence-card-clickable{cursor:pointer}.sentence-card-clickable:hover:not(.sentence-active){background-color:#fafbff!important}.progress-ring-circle{transform-origin:50%;transition:stroke-dashoffset .7s cubic-bezier(.22,1,.36,1);transform:rotate(-90deg)}@keyframes player-slide-up{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.audio-player-bar{-webkit-backdrop-filter:blur(24px);padding-bottom:env(safe-area-inset-bottom,0px);animation:.35s cubic-bezier(.22,1,.36,1) forwards player-slide-up}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#818cf82e;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#818cf859}.book-carousel::-webkit-scrollbar{display:none}@media (width>=640px){.book-carousel{scroll-snap-type:none!important;grid-template-columns:repeat(4,1fr)!important;padding-right:0!important;display:grid!important;overflow-x:visible!important}.book-carousel>a{min-width:0!important;max-width:none!important}}@keyframes float-1{0%,to{opacity:.4;transform:translateY(0)translate(0)}50%{opacity:.6;transform:translateY(-12px)translate(6px)}}@keyframes float-2{0%,to{opacity:.3;transform:translateY(0)translate(0)}50%{opacity:.5;transform:translateY(-10px)translate(-8px)}}@keyframes float-3{0%,to{opacity:.25;transform:translateY(0)translate(0)}50%{opacity:.4;transform:translateY(-16px)translate(10px)}}.particle-1{animation:7s ease-in-out infinite float-1}.particle-2{animation:9s ease-in-out infinite float-2}.particle-3{animation:11s ease-in-out infinite float-3}.particle-4{animation:8s ease-in-out infinite reverse float-1}.particle-5{animation:10s ease-in-out infinite reverse float-2}@keyframes nav-indicator{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.nav-label{display:none}@media (width>=640px){.nav-label{display:inline}}.speed-btn{transition:all .2s}.speed-btn:hover{transform:scale(1.05)}.speed-btn.active{background:var(--gradient-primary);color:#fff}.word-card-learned{background:#818cf80d;border-color:#818cf840!important}.milestone-badge-active{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 8px #818cf84d}.mode-btn{white-space:nowrap;padding:4px 10px;font-size:.8rem;font-weight:500;transition:all .2s}.mode-btn.active{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 8px #818cf84d}.audio-play-btn{flex-shrink:0}.lesson-study{padding-bottom:8px}footer{border-top:1px solid var(--border-color);background:var(--bg-card);opacity:.9;letter-spacing:.02em}button{touch-action:manipulation}.truncate-mobile{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@media (hover:none){.card:hover,.card-hover:hover{transform:none;box-shadow:0 1px 3px #0000000a}}input,select,textarea{font-size:16px}@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-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@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-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{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-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}