:root{--bg-color:#f4efea;--text-color:#383838;--border-color:#383838;--accent-yellow:#ffde59;--accent-green:#c1ff72;--white:#fff;--success-color:#059669;--error-color:#dc2626;--warning-color:#f59e0b;--info-color:#3b82f6;--font-family:"Space Mono",monospace;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:.25rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:1px 1px 0 var(--border-color);--shadow-md:2px 2px 0 var(--border-color);--shadow-lg:4px 4px 0 var(--border-color);--shadow-xl:8px 8px 0 var(--border-color);--transform-sm:translate(-.5px,-.5px);--transform-md:translate(-1px,-1px);--transform-lg:translate(-2px,-2px);--transform-xl:translate(-4px,-4px);--breakpoint-mobile:480px;--breakpoint-tablet:768px;--breakpoint-desktop:1024px;--header-mobile:70px;--header-desktop:90px;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}
*,:before,:after{box-sizing:border-box}*{margin:0;padding:0}ul[role=list],ol[role=list]{list-style:none}html:focus-within{scroll-behavior:smooth}body{min-height:100vh;text-rendering:optimizeSpeed;line-height:1.5}a:not([class]){-webkit-text-decoration-skip:ink;text-decoration-skip-ink:auto}img,picture{max-width:100%;display:block}input,button,textarea,select{font:inherit}@media (prefers-reduced-motion:reduce){html:focus-within{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}button{cursor:pointer;background:0 0;border:none;margin:0;padding:0}fieldset{border:none;margin:0;padding:0}legend{padding:0}table{border-collapse:collapse;border-spacing:0}th,td{padding:0}h1,h2,h3,h4,h5,h6,p{margin:0}
body{font-family:var(--font-family-zh),var(--font-family-en),sans-serif;font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-slate-900);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-en);font-weight:var(--font-bold);line-height:var(--leading-tight);letter-spacing:-.02em;color:var(--color-slate-900);margin:0}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}p{margin:0 0 var(--spacing-4)0}a{color:var(--color-sky-500);transition:var(--transition-fast);text-decoration:none}a:hover{color:var(--color-sky-600);text-decoration:underline}.text-xs{font-size:var(--text-xs)}.text-sm{font-size:var(--text-sm)}.text-base{font-size:var(--text-base)}.text-lg{font-size:var(--text-lg)}.text-xl{font-size:var(--text-xl)}.text-2xl{font-size:var(--text-2xl)}.text-3xl{font-size:var(--text-3xl)}.text-4xl{font-size:var(--text-4xl)}.text-5xl{font-size:var(--text-5xl)}.font-light{font-weight:var(--font-light)}.font-normal{font-weight:var(--font-normal)}.font-medium{font-weight:var(--font-medium)}.font-semibold{font-weight:var(--font-semibold)}.font-bold{font-weight:var(--font-bold)}.font-black{font-weight:var(--font-black)}.uppercase{text-transform:uppercase}.lowercase{text-transform:lowercase}.capitalize{text-transform:capitalize}.tracking-tight{letter-spacing:-.02em}.leading-tight{line-height:var(--leading-tight)}.leading-normal{line-height:var(--leading-normal)}.leading-relaxed{line-height:var(--leading-relaxed)}.text-primary{color:var(--color-slate-900)}.text-secondary{color:var(--color-slate-600)}.text-muted{color:var(--color-slate-500)}.text-accent{color:var(--color-amber-500)}.text-success{color:var(--color-success-600)}.text-error{color:var(--color-error-600)}.text-warning{color:var(--color-warning-600)}.text-info{color:var(--color-info-600)}@media (max-width:768px){h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}}@media (max-width:480px){h1{font-size:var(--text-2xl)}h2{font-size:var(--text-xl)}h3{font-size:var(--text-lg)}body{font-size:var(--text-sm)}}.dark body,.dark h1,.dark h2,.dark h3,.dark h4,.dark h5,.dark h6,.dark .text-primary{color:var(--color-slate-100)}.dark .text-secondary{color:var(--color-slate-400)}.dark .text-muted{color:var(--color-slate-500)}.dark a{color:var(--color-sky-400)}.dark a:hover{color:var(--color-sky-300)}
*,:before,:after,::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:#3b82f680;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border:0 solid #e5e7eb}:before,:after{--tw-content:""}html,:host{-webkit-text-size-adjust:100%;tab-size:4;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent;font-family:ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.5}body{line-height:inherit;margin:0}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-feature-settings:normal;font-variation-settings:normal;font-family:Aeonik Mono,Space Mono,monospace;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}button,input,optgroup,select,textarea{font-feature-settings:inherit;font-variation-settings:inherit;font-family:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:#0000;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{margin:0;padding:0;list-style:none}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder{opacity:1;color:#9ca3af}textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.pointer-events-none{pointer-events:none}.absolute{position:absolute}.relative{position:relative}.inset-0{inset:0}.bottom-\[-20\%\]{bottom:-20%}.left-\[-10\%\]{left:-10%}.right-\[-10\%\]{right:-10%}.top-\[-10\%\]{top:-10%}.z-0{z-index:0}.z-10{z-index:10}.mx-auto{margin-left:auto;margin-right:auto}.mb-10{margin-bottom:2.5rem}.mb-12{margin-bottom:3rem}.mb-16{margin-bottom:4rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.ml-2{margin-left:.5rem}.mr-1{margin-right:.25rem}.mr-2{margin-right:.5rem}.mr-3{margin-right:.75rem}.mt-1{margin-top:.25rem}.mt-12{margin-top:3rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.block{display:block}.inline-block{display:inline-block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.aspect-video{aspect-ratio:16/9}.\!h-32{height:8rem!important}.h-24{height:6rem}.h-5{height:1.25rem}.h-8{height:2rem}.h-96{height:24rem}.h-\[500px\]{height:500px}.h-full{height:100%}.min-h-\[90vh\]{min-height:90vh}.min-h-screen{min-height:100vh}.\!w-32{width:8rem!important}.w-24{width:6rem}.w-5{width:1.25rem}.w-8{width:2rem}.w-96{width:24rem}.w-\[500px\]{width:500px}.w-full{width:100%}.min-w-\[200px\]{min-width:200px}.\!max-w-none{max-width:none!important}.max-w-3xl{max-width:48rem}.max-w-5xl{max-width:64rem}.max-w-6xl{max-width:72rem}.max-w-7xl{max-width:80rem}.max-w-md{max-width:28rem}.flex-shrink-0{flex-shrink:0}.flex-grow{flex-grow:1}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}.cursor-pointer{cursor:pointer}.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-start{align-items:flex-start}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}.space-y-3>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(.75rem*calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(.75rem*var(--tw-space-y-reverse))}.space-y-4>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(1rem*calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1rem*var(--tw-space-y-reverse))}.space-y-6>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(1.5rem*calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1.5rem*var(--tw-space-y-reverse))}.overflow-hidden{overflow:hidden}.overflow-x-hidden{overflow-x:hidden}.break-words{overflow-wrap:break-word}.rounded{border-radius:.25rem}.rounded-2xl{border-radius:1rem}.rounded-full{border-radius:9999px}.rounded-lg{border-radius:.5rem}.border{border-width:1px}.border-4{border-width:4px}.border-y{border-top-width:1px;border-bottom-width:1px}.border-b-2{border-bottom-width:2px}.border-t{border-top-width:1px}.border-gray-300{--tw-border-opacity:1;border-color:rgb(209 213 219/var(--tw-border-opacity,1))}.border-red-200{--tw-border-opacity:1;border-color:rgb(254 202 202/var(--tw-border-opacity,1))}.border-white{--tw-border-opacity:1;border-color:rgb(255 255 255/var(--tw-border-opacity,1))}.border-xiaoclass-text{--tw-border-opacity:1;border-color:rgb(51 51 51/var(--tw-border-opacity,1))}.border-yellow-200{--tw-border-opacity:1;border-color:rgb(254 240 138/var(--tw-border-opacity,1))}.border-t-blue-600{--tw-border-opacity:1;border-top-color:rgb(37 99 235/var(--tw-border-opacity,1))}.bg-black\/30{background-color:#0000004d}.bg-gray-200{--tw-bg-opacity:1;background-color:rgb(229 231 235/var(--tw-bg-opacity,1))}.bg-gray-50{--tw-bg-opacity:1;background-color:rgb(249 250 251/var(--tw-bg-opacity,1))}.bg-indigo-600{--tw-bg-opacity:1;background-color:rgb(79 70 229/var(--tw-bg-opacity,1))}.bg-red-50{--tw-bg-opacity:1;background-color:rgb(254 242 242/var(--tw-bg-opacity,1))}.bg-white{--tw-bg-opacity:1;background-color:rgb(255 255 255/var(--tw-bg-opacity,1))}.bg-xiaoclass-bg{--tw-bg-opacity:1;background-color:rgb(217 200 185/var(--tw-bg-opacity,1))}.bg-xiaoclass-text{--tw-bg-opacity:1;background-color:rgb(51 51 51/var(--tw-bg-opacity,1))}.bg-yellow-50{--tw-bg-opacity:1;background-color:rgb(254 252 232/var(--tw-bg-opacity,1))}.bg-gradient-to-br{background-image:linear-gradient(to bottom right,var(--tw-gradient-stops))}.bg-gradient-to-l{background-image:linear-gradient(to left,var(--tw-gradient-stops))}.bg-gradient-to-r{background-image:linear-gradient(to right,var(--tw-gradient-stops))}.from-accent-green\/20{--tw-gradient-from:#34c75933 var(--tw-gradient-from-position);--tw-gradient-to:#34c75900 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}.from-accent-yellow\/20{--tw-gradient-from:#e6b32533 var(--tw-gradient-from-position);--tw-gradient-to:#e6b32500 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}.from-xiaoclass-bg{--tw-gradient-from:#d9c8b9 var(--tw-gradient-from-position);--tw-gradient-to:#d9c8b900 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}.from-xiaoclass-text{--tw-gradient-from:#333 var(--tw-gradient-from-position);--tw-gradient-to:#3330 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),var(--tw-gradient-to)}.via-accent-yellow{--tw-gradient-to:#e6b32500 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),#e6b325 var(--tw-gradient-via-position),var(--tw-gradient-to)}.via-white{--tw-gradient-to:#fff0 var(--tw-gradient-to-position);--tw-gradient-stops:var(--tw-gradient-from),#fff var(--tw-gradient-via-position),var(--tw-gradient-to)}.to-accent-yellow\/20{--tw-gradient-to:#e6b32533 var(--tw-gradient-to-position)}.to-transparent{--tw-gradient-to:transparent var(--tw-gradient-to-position)}.to-xiaoclass-text{--tw-gradient-to:#333 var(--tw-gradient-to-position)}.bg-clip-text{-webkit-background-clip:text;background-clip:text}.object-contain{-o-object-fit:contain;object-fit:contain}.object-cover{-o-object-fit:cover;object-fit:cover}.p-3{padding:.75rem}.px-2{padding-left:.5rem;padding-right:.5rem}.px-4{padding-left:1rem;padding-right:1rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.px-8{padding-left:2rem;padding-right:2rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-12{padding-top:3rem;padding-bottom:3rem}.py-16{padding-top:4rem;padding-bottom:4rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-20{padding-top:5rem;padding-bottom:5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-4{padding-top:1rem;padding-bottom:1rem}.py-6{padding-top:1.5rem;padding-bottom:1.5rem}.py-8{padding-top:2rem;padding-bottom:2rem}.pt-6{padding-top:1.5rem}.text-center{text-align:center}.font-mono{font-family:Aeonik Mono,Space Mono,monospace}.text-2xl{font-size:1.5rem;line-height:2rem}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-4xl{font-size:2.25rem;line-height:2.5rem}.text-base{font-size:1rem;line-height:1.5rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-xs{font-size:.75rem;line-height:1rem}.font-black{font-weight:900}.font-bold{font-weight:700}.font-medium{font-weight:500}.font-semibold{font-weight:600}.leading-relaxed{line-height:1.625}.leading-tight{line-height:1.25}.tracking-tight{letter-spacing:-.025em}.text-amber-500{--tw-text-opacity:1;color:rgb(245 158 11/var(--tw-text-opacity,1))}.text-amber-600{--tw-text-opacity:1;color:rgb(217 119 6/var(--tw-text-opacity,1))}.text-emerald-500{--tw-text-opacity:1;color:rgb(16 185 129/var(--tw-text-opacity,1))}.text-gray-500{--tw-text-opacity:1;color:rgb(107 114 128/var(--tw-text-opacity,1))}.text-gray-600{--tw-text-opacity:1;color:rgb(75 85 99/var(--tw-text-opacity,1))}.text-gray-700{--tw-text-opacity:1;color:rgb(55 65 81/var(--tw-text-opacity,1))}.text-gray-800{--tw-text-opacity:1;color:rgb(31 41 55/var(--tw-text-opacity,1))}.text-green-600{--tw-text-opacity:1;color:rgb(22 163 74/var(--tw-text-opacity,1))}.text-indigo-600{--tw-text-opacity:1;color:rgb(79 70 229/var(--tw-text-opacity,1))}.text-red-500{--tw-text-opacity:1;color:rgb(239 68 68/var(--tw-text-opacity,1))}.text-red-600{--tw-text-opacity:1;color:rgb(220 38 38/var(--tw-text-opacity,1))}.text-red-700{--tw-text-opacity:1;color:rgb(185 28 28/var(--tw-text-opacity,1))}.text-sky-500{--tw-text-opacity:1;color:rgb(14 165 233/var(--tw-text-opacity,1))}.text-slate-600{--tw-text-opacity:1;color:rgb(71 85 105/var(--tw-text-opacity,1))}.text-transparent{color:#0000}.text-white{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.text-xiaoclass-text{--tw-text-opacity:1;color:rgb(51 51 51/var(--tw-text-opacity,1))}.text-yellow-800{--tw-text-opacity:1;color:rgb(133 77 14/var(--tw-text-opacity,1))}.decoration-1{text-decoration-thickness:1px}.decoration-2{text-decoration-thickness:2px}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-60{opacity:.6}.opacity-80{opacity:.8}.blur-3xl{--tw-blur:blur(64px);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)}.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)}.transition-all{transition-property:all;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.transition-colors{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.transition-opacity{transition-property:opacity;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.duration-300{transition-duration:.3s}.hover\:scale-105:hover{--tw-scale-x:1.05;--tw-scale-y:1.05;transform:translate(var(--tw-translate-x),var(--tw-translate-y))rotate(var(--tw-rotate))skewX(var(--tw-skew-x))skewY(var(--tw-skew-y))scaleX(var(--tw-scale-x))scaleY(var(--tw-scale-y))}.hover\:bg-indigo-700:hover{--tw-bg-opacity:1;background-color:rgb(67 56 202/var(--tw-bg-opacity,1))}.hover\:text-gray-800:hover{--tw-text-opacity:1;color:rgb(31 41 55/var(--tw-text-opacity,1))}.hover\:opacity-100:hover{opacity:1}.disabled\:bg-gray-400:disabled{--tw-bg-opacity:1;background-color:rgb(156 163 175/var(--tw-bg-opacity,1))}@media (min-width:640px){.sm\:mb-10{margin-bottom:2.5rem}.sm\:mb-12{margin-bottom:3rem}.sm\:mb-8{margin-bottom:2rem}.sm\:ml-3{margin-left:.75rem}.sm\:\!h-40{height:10rem!important}.sm\:h-32{height:8rem}.sm\:\!w-40{width:10rem!important}.sm\:w-32{width:8rem}.sm\:min-w-\[220px\]{min-width:220px}.sm\:flex-row{flex-direction:row}.sm\:gap-6{gap:1.5rem}.sm\:px-0{padding-left:0;padding-right:0}.sm\:px-10{padding-left:2.5rem;padding-right:2.5rem}.sm\:px-6{padding-left:1.5rem;padding-right:1.5rem}.sm\:py-16{padding-top:4rem;padding-bottom:4rem}.sm\:py-5{padding-top:1.25rem;padding-bottom:1.25rem}.sm\:text-4xl{font-size:2.25rem;line-height:2.5rem}.sm\:text-lg{font-size:1.125rem;line-height:1.75rem}.sm\:text-xl{font-size:1.25rem;line-height:1.75rem}.sm\:leading-relaxed{line-height:1.625}.sm\:leading-tight{line-height:1.25}}@media (min-width:768px){.md\:mb-0{margin-bottom:0}.md\:flex{display:flex}.md\:\!h-48{height:12rem!important}.md\:h-24{height:6rem}.md\:h-40{height:10rem}.md\:\!w-48{width:12rem!important}.md\:w-40{width:10rem}.md\:w-auto{width:auto}.md\:flex-1{flex:1}.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:flex-row{flex-direction:row}.md\:items-start{align-items:flex-start}.md\:gap-12{gap:3rem}.md\:gap-4{gap:1rem}.md\:px-6{padding-left:1.5rem;padding-right:1.5rem}.md\:text-left{text-align:left}.md\:text-2xl{font-size:1.5rem;line-height:2rem}.md\:text-3xl{font-size:1.875rem;line-height:2.25rem}.md\:text-4xl{font-size:2.25rem;line-height:2.5rem}.md\:text-5xl{font-size:3rem;line-height:1}.md\:text-base{font-size:1rem;line-height:1.5rem}.md\:leading-tight{line-height:1.25}}@media (min-width:1024px){.lg\:mb-10{margin-bottom:2.5rem}.lg\:mb-12{margin-bottom:3rem}.lg\:mb-16{margin-bottom:4rem}.lg\:\!h-64{height:16rem!important}.lg\:\!w-64{width:16rem!important}.lg\:max-w-4xl{max-width:56rem}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:gap-8{gap:2rem}.lg\:px-12{padding-left:3rem;padding-right:3rem}.lg\:px-8{padding-left:2rem;padding-right:2rem}.lg\:py-20{padding-top:5rem;padding-bottom:5rem}.lg\:py-6{padding-top:1.5rem;padding-bottom:1.5rem}.lg\:text-3xl{font-size:1.875rem;line-height:2.25rem}.lg\:text-6xl{font-size:3.75rem;line-height:1}.lg\:text-xl{font-size:1.25rem;line-height:1.75rem}}@media (min-width:1280px){.xl\:\!h-72{height:18rem!important}.xl\:\!w-72{width:18rem!important}.xl\:text-7xl{font-size:4.5rem;line-height:1}}
.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);transition:var(--transition-base);position:relative;overflow:hidden}.glass-card:hover{background:var(--glass-bg-hover);box-shadow:var(--glass-shadow-hover);transform:translateY(-2px)}.glass-card-strong{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-xl));border:var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl)}.xiaoclass-btn-primary{background:var(--gradient-primary);color:#fff;border-radius:var(--radius-xl);padding:var(--spacing-3)var(--spacing-6);font-family:var(--font-family-en);font-weight:var(--font-semibold);font-size:var(--text-base);cursor:pointer;transition:var(--transition-fast);box-shadow:var(--shadow-md);border:none;position:relative;overflow:hidden}.xiaoclass-btn-primary:hover{background:var(--gradient-primary-hover);box-shadow:var(--shadow-glow-sm);transform:translateY(-1px)}.xiaoclass-btn-primary:active{transform:translateY(0)}.xiaoclass-btn-accent{background:var(--gradient-accent);color:var(--color-slate-900);border-radius:var(--radius-xl);padding:var(--spacing-3)var(--spacing-6);font-family:var(--font-family-en);font-weight:var(--font-semibold);font-size:var(--text-base);cursor:pointer;transition:var(--transition-fast);box-shadow:var(--shadow-md);border:none}.xiaoclass-btn-accent:hover{background:var(--gradient-accent-hover);box-shadow:var(--shadow-glow-sm);transform:translateY(-1px)}.xiaoclass-btn-glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));color:var(--color-slate-900);border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-3)var(--spacing-6);font-family:var(--font-family-en);font-weight:var(--font-semibold);font-size:var(--text-base);cursor:pointer;transition:var(--transition-fast)}.xiaoclass-btn-glass:hover{background:var(--glass-bg-hover);box-shadow:var(--shadow-glow-sm);transform:translateY(-1px)}.xiaoclass-btn-primary:disabled,.xiaoclass-btn-accent:disabled,.xiaoclass-btn-glass:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.glass-input{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-3)var(--spacing-4);font-family:var(--font-family-zh);font-size:var(--text-base);color:var(--color-slate-900);transition:var(--transition-fast);width:100%}.glass-input::placeholder{color:var(--color-slate-500)}.glass-input:focus{background:var(--glass-bg-hover);border-color:var(--color-sky-400);outline:none;box-shadow:0 0 0 3px #0ea5e91a}.glass-input:disabled{opacity:.6;cursor:not-allowed}.glass-modal{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-xl));border:var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);padding:var(--spacing-8);max-width:var(--container-lg);width:90%;margin:var(--spacing-4)auto;position:relative}.glass-modal-backdrop{-webkit-backdrop-filter:blur(var(--blur-sm));z-index:var(--z-modal-backdrop);background:#0f172a80;position:fixed;inset:0}.glass-dropdown{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-xl));border:var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--spacing-2);min-width:200px;z-index:var(--z-dropdown)}.glass-dropdown-item{padding:var(--spacing-2)var(--spacing-3);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);color:var(--color-slate-900);font-size:var(--text-sm)}.glass-dropdown-item:hover{background:var(--glass-bg-hover)}.glass-badge{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-sm));border-radius:var(--radius-full);padding:var(--spacing-1)var(--spacing-3);font-size:var(--text-xs);font-weight:var(--font-semibold);border:1px solid #ffffff80;display:inline-block}.glass-badge-success{background:var(--color-success-bg);color:var(--color-success-text);border-color:var(--color-success-border)}.glass-badge-error{background:var(--color-error-bg);color:var(--color-error-text);border-color:var(--color-error-border)}.glass-badge-warning{background:var(--color-warning-bg);color:var(--color-warning-text);border-color:var(--color-warning-border)}.glass-divider{height:1px;margin:var(--spacing-4)0;background:linear-gradient(90deg,#0000,#94a3b84d,#0000)}.glass-tooltip{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-md);padding:var(--spacing-2)var(--spacing-3);font-size:var(--text-xs);color:var(--color-slate-900);box-shadow:var(--shadow-lg);z-index:var(--z-tooltip);white-space:nowrap;position:absolute}@keyframes glassFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.glass-float{animation:3s ease-in-out infinite glassFloat}@keyframes glassPulse{0%,to{opacity:.7}50%{opacity:.85}}.glass-pulse{animation:2s ease-in-out infinite glassPulse}.dark .glass-card,.dark .glass-card-strong{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .glass-input{background:var(--glass-dark-bg);color:var(--color-slate-100);border:var(--glass-dark-border)}.dark .glass-input::placeholder{color:var(--color-slate-500)}.dark .glass-input:focus{border-color:var(--color-sky-400);box-shadow:0 0 0 3px #38bdf833}.dark .glass-modal,.dark .glass-dropdown{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .glass-dropdown-item{color:var(--color-slate-100)}.dark .glass-dropdown-item:hover{background:#33415580}.dark .glass-badge{border-color:#ffffff1a}.dark .glass-tooltip{background:var(--glass-dark-bg);border:var(--glass-dark-border);color:var(--color-slate-100)}
:root{--bg-color:#f4efea;--text-color:#383838;--border-color:#383838;--accent-yellow:#ffde59;--accent-green:#c1ff72;--white:#fff;--header-mobile:70px;--header-desktop:90px}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;font-family:Space Mono,monospace;line-height:1.5}.modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#383838cc}.floating-emoji{pointer-events:none;z-index:100;font-size:2rem;animation:2s ease-out forwards float-up;position:absolute}@keyframes float-up{0%{opacity:1;transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(-200px)rotate(360deg)}}.shake-animation{animation:.5s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.pulse-animation{animation:2s infinite pulse}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.phone-container{background:var(--text-color);width:390px;height:844px;box-shadow:4px 4px 0 var(--border-color);border-radius:8px;padding:8px;position:relative;transform:translate(-2px,-2px)}.phone-screen{background:var(--white);border-radius:4px;width:100%;height:100%;position:relative;overflow:hidden}.status-bar{background:var(--text-color);height:44px;color:var(--bg-color);justify-content:space-between;align-items:center;padding:0 20px;font-family:Space Mono,monospace;font-size:14px;font-weight:700;display:flex}.prototype-grid{background:var(--bg-color);grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:30px;min-height:100vh;padding:20px;display:grid}.prototype-section{background:var(--white);border:2px solid var(--border-color);box-shadow:4px 4px 0 var(--border-color);border-radius:8px;padding:20px;transform:translate(-2px,-2px)}.section-title{color:var(--text-color);border-bottom:2px solid var(--border-color);letter-spacing:-.02em;margin-bottom:15px;padding-bottom:10px;font-family:Space Mono,monospace;font-size:18px;font-weight:700}iframe{border:2px solid var(--border-color);border-radius:4px}.animate-float{animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.shadow-brutalism{box-shadow:4px 4px 0 var(--border-color)}.hover-lift:hover{box-shadow:8px 8px 0 var(--border-color);transition:all .2s;transform:translateY(-4px)}
a.xiaoclass-btn-primary,button.xiaoclass-btn-primary{background:var(--gradient-primary);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-glow-sm);cursor:pointer;transition:var(--transition-base);font-weight:600;font-family:var(--font-family-zh);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;padding:1rem 2rem;text-decoration:none;display:inline-flex}a.xiaoclass-btn-primary:hover,button.xiaoclass-btn-primary:hover{box-shadow:var(--shadow-glow-md);background:var(--gradient-primary-hover);transform:translateY(-2px)}a.xiaoclass-btn-primary:active,button.xiaoclass-btn-primary:active{transform:scale(.95)}button.xiaoclass-btn-primary:disabled,a.xiaoclass-btn-primary:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none}a.xiaoclass-btn-secondary,button.xiaoclass-btn-secondary{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);color:#1e293b;border:var(--glass-border);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-base);font-weight:600;font-family:var(--font-family-zh);white-space:nowrap;justify-content:center;align-items:center;gap:.5rem;padding:1rem 2rem;text-decoration:none;display:inline-flex}a.xiaoclass-btn-secondary:hover,button.xiaoclass-btn-secondary:hover{background:var(--glass-bg-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}a.xiaoclass-btn-secondary:active,button.xiaoclass-btn-secondary:active{transform:scale(.95)}button.xiaoclass-btn-secondary:disabled,a.xiaoclass-btn-secondary:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none}a.xiaoclass-btn-cta,button.xiaoclass-btn-cta{background:var(--gradient-accent);color:#78350f;border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-base);font-weight:700;font-family:var(--font-family-zh);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;padding:1rem 2.5rem;text-decoration:none;display:inline-flex;box-shadow:0 15px 30px #fbbf2466}a.xiaoclass-btn-cta:hover,button.xiaoclass-btn-cta:hover{background:var(--gradient-accent-hover);transform:translateY(-2px)scale(1.02);box-shadow:0 20px 40px #fbbf2480}a.xiaoclass-btn-cta:active,button.xiaoclass-btn-cta:active{transform:scale(.98)}button.xiaoclass-btn-cta:disabled,a.xiaoclass-btn-cta:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none}.xiaoclass-btn-primary.sm,.xiaoclass-btn-secondary.sm,.xiaoclass-btn-cta.sm{font-size:var(--text-sm);padding:.75rem 1.5rem}.xiaoclass-btn-primary.lg,.xiaoclass-btn-secondary.lg,.xiaoclass-btn-cta.lg{font-size:var(--text-lg);padding:1.25rem 2.5rem}.xiaoclass-btn-primary.w-full,.xiaoclass-btn-secondary.w-full,.xiaoclass-btn-cta.w-full{width:100%}
:root{--bg-color:#f4efea;--text-color:#383838;--border-color:#383838;--accent-yellow:#ffde59;--accent-green:#c1ff72;--white:#fff}input,textarea,select{border:2px solid var(--border-color);background-color:var(--white);color:var(--text-color);border-radius:4px;outline:none;font-family:Space Mono,monospace;transition:all .2s}input:focus,textarea:focus,select:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}input:active,textarea:active,select:active{box-shadow:none;transform:translate(0)}.answer-input{text-align:center;border-radius:4px;height:36px;padding:8px 16px;font-size:1.2rem;font-weight:700}.answer-input:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.answer-input::placeholder{color:#888;opacity:.7;font-size:.9rem}@media (max-width:768px){.answer-input{height:32px;font-size:1.1rem}.answer-input::placeholder{font-size:.8rem}}.code-input{text-align:center;border-radius:4px;width:3rem;height:3rem;font-family:Space Mono,monospace;font-size:1.5rem;font-weight:700}.code-input:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.login-type-toggle{background-color:var(--bg-color);border:2px solid var(--border-color);border-radius:8px;padding:4px}.login-type-option{cursor:pointer;border:2px solid #0000;border-radius:4px;padding:8px 16px;font-family:Space Mono,monospace;font-weight:700;transition:all .2s}.login-type-option.active{background:var(--white);border-color:var(--accent-yellow);color:var(--text-color);box-shadow:2px 2px 0 var(--border-color);transform:translate(-1px,-1px)}.login-type-option:hover:not(.active){background:var(--accent-yellow);border-color:var(--accent-yellow)}.form-field{margin-bottom:1.5rem}.form-label{color:var(--text-color);text-transform:uppercase;letter-spacing:-.02em;margin-bottom:.5rem;font-family:Space Mono,monospace;font-size:.875rem;font-weight:700;display:block}.form-input{border-radius:4px;width:100%;padding:12px 16px;font-size:1rem}.form-input:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.form-textarea{resize:vertical;border-radius:4px;width:100%;min-height:120px;padding:12px 16px;font-size:1rem}.form-textarea:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.form-select{cursor:pointer;border-radius:4px;width:100%;padding:12px 16px;font-size:1rem}.form-select:focus{border-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.form-error{color:#dc2626;margin-top:.25rem;font-family:Space Mono,monospace;font-size:.875rem;font-weight:700}.form-success{color:#059669;margin-top:.25rem;font-family:Space Mono,monospace;font-size:.875rem;font-weight:700}.form-hint{color:#666;opacity:.8;margin-top:.25rem;font-family:Space Mono,monospace;font-size:.75rem}.form-group{flex-direction:column;gap:1rem;display:flex}.form-row{align-items:flex-end;gap:1rem;display:flex}.form-row .form-field{flex:1;margin-bottom:0}@media (max-width:768px){.form-row{flex-direction:column;gap:1rem}.form-row .form-field{flex:none}}.phone-input{align-items:center;gap:.5rem;display:flex}.phone-prefix{color:var(--text-color);border:2px solid var(--border-color);background-color:var(--bg-color);border-radius:4px 0 0 4px;padding:12px 8px 12px 16px;font-family:Space Mono,monospace;font-weight:700}.phone-input input{border-left:none;border-radius:0 4px 4px 0;flex:1}.phone-input input:focus{border-left:none;border-color:var(--accent-yellow)}.search-input{position:relative}.search-input input{width:100%;padding-left:3rem}.search-input:before{content:"🔍";font-size:1.2rem;position:absolute;top:50%;left:1rem;transform:translateY(-50%)}
:root{--bg-color:#f4efea;--text-color:#383838;--border-color:#383838;--accent-yellow:#ffde59;--accent-green:#c1ff72;--white:#fff;--success-color:#059669;--error-color:#dc2626}.badge{text-transform:uppercase;letter-spacing:-.02em;border:2px solid var(--border-color);border-radius:4px;justify-content:center;align-items:center;padding:4px 8px;font-family:Space Mono,monospace;font-size:12px;font-weight:700;line-height:1;display:inline-flex}.tag{text-transform:uppercase;border:1px solid var(--border-color);background-color:var(--white);border-radius:4px;padding:4px 8px;font-family:Space Mono,monospace;font-size:12px;font-weight:700}.tag.featured{background:var(--accent-yellow);border-color:var(--text-color)}.tag.success{background:var(--accent-green);border-color:var(--success-color);color:var(--success-color)}.tag.error{border-color:var(--error-color);color:var(--error-color);background:#fecaca}.tag.warning{background:var(--accent-yellow);color:#92400e;border-color:#d97706}.difficulty-badge{text-transform:uppercase;letter-spacing:-.02em;border:2px solid var(--border-color);background-color:var(--white);box-shadow:2px 2px 0 var(--border-color);border-radius:4px;padding:8px 16px;font-family:Space Mono,monospace;font-size:14px;font-weight:700;transform:translate(-1px,-1px)}.difficulty-badge.easy{background-color:var(--accent-green);border-color:var(--success-color)}.difficulty-badge.medium{background-color:var(--accent-yellow);border-color:#d97706}.difficulty-badge.hard{border-color:var(--error-color);color:var(--error-color);background-color:#fecaca}.achievement-badge{background:var(--accent-yellow);border:2px solid var(--text-color);width:60px;height:60px;color:var(--text-color);box-shadow:4px 4px 0 var(--text-color);border-radius:50%;justify-content:center;align-items:center;font-family:Space Mono,monospace;font-size:24px;font-weight:700;animation:2s infinite bounce;display:flex;transform:translate(-2px,-2px)}@keyframes bounce{0%,to{transform:translate(-2px,-2px)translateY(0)}50%{transform:translate(-2px,-2px)translateY(-10px)}}.stats-card{background:var(--white);border:2px solid var(--border-color);text-align:center;box-shadow:2px 2px 0 var(--border-color);border-radius:8px;padding:16px;transform:translate(-1px,-1px)}.stats-card .stats-number{color:var(--text-color);margin-bottom:.5rem;font-family:Space Mono,monospace;font-size:2rem;font-weight:700}.stats-card .stats-label{color:var(--text-color);text-transform:uppercase;letter-spacing:-.02em;opacity:.8;font-family:Space Mono,monospace;font-size:.875rem;font-weight:700}.result-correct{background:var(--accent-green);border:2px solid var(--success-color);color:var(--success-color);width:96px;height:96px;box-shadow:4px 4px 0 var(--success-color);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;font-family:Space Mono,monospace;font-size:36px;font-weight:700;display:flex;transform:translate(-2px,-2px)}.result-incorrect{border:2px solid var(--error-color);color:var(--error-color);width:96px;height:96px;box-shadow:4px 4px 0 var(--error-color);background:#fecaca;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;font-family:Space Mono,monospace;font-size:36px;font-weight:700;display:flex;transform:translate(-2px,-2px)}.progress-container{background:var(--bg-color);border:2px solid var(--border-color);border-radius:4px;height:8px;overflow:hidden}.progress-bar{background:var(--accent-green);border-radius:2px;height:100%;transition:width .3s;position:relative}.progress-bar:after{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);animation:2s infinite shimmer;position:absolute;inset:0}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.status-badge{text-transform:uppercase;letter-spacing:-.02em;border:2px solid;border-radius:4px;padding:6px 12px;font-family:Space Mono,monospace;font-size:12px;font-weight:700}.status-badge.active{background:var(--accent-green);border-color:var(--success-color);color:var(--success-color)}.status-badge.inactive{background:var(--bg-color);border-color:var(--border-color);color:var(--text-color)}.status-badge.pending{background:var(--accent-yellow);color:#92400e;border-color:#d97706}.status-badge.error{border-color:var(--error-color);color:var(--error-color);background:#fecaca}.notification-badge{background:var(--error-color);color:var(--white);border:2px solid var(--white);border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-family:Space Mono,monospace;font-size:11px;font-weight:700;display:flex;position:absolute;top:-8px;right:-8px;transform:translate(-1px,-1px);box-shadow:2px 2px #0000001a}.feature-badge{background:var(--accent-yellow);border:2px solid var(--text-color);color:var(--text-color);text-transform:uppercase;letter-spacing:-.02em;box-shadow:2px 2px 0 var(--text-color);border-radius:4px;align-items:center;gap:.5rem;padding:8px 16px;font-family:Space Mono,monospace;font-size:14px;font-weight:700;display:inline-flex;transform:translate(-1px,-1px)}
.xiaoclass-dropdown{width:100%;display:inline-block;position:relative}.dropdown-label{color:var(--color-slate-700);transition:color .3s var(--ease-out);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}.dark .dropdown-label{color:var(--color-slate-300)}.dropdown-trigger{background:var(--glass-bg);width:100%;-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-md);color:var(--color-slate-900);cursor:pointer;transition:all .2s var(--ease-out);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:.75rem 1rem;font-size:.875rem;font-weight:500;display:flex}.dropdown-trigger:hover{background:var(--glass-bg-hover);border-color:var(--color-sky-300);box-shadow:var(--shadow-md);transform:translateY(-1px)}.dropdown-trigger:focus-visible{outline:2px solid var(--color-sky-500);outline-offset:2px;border-color:var(--color-sky-400)}.dropdown-trigger:active{box-shadow:var(--shadow-sm);transform:translateY(0)}.dropdown-value{text-align:left;color:var(--color-slate-900);flex:1}.dropdown-value:empty:before{content:attr(data-placeholder);color:var(--color-slate-400)}.dropdown-icons{align-items:center;gap:.5rem;margin-left:.5rem;display:flex}.dropdown-loading svg{color:var(--color-sky-500)}.dropdown-success-icon i{font-size:1rem}.dropdown-arrow i{color:var(--color-slate-400);transition:transform .2s var(--ease-out);font-size:.75rem}.xiaoclass-dropdown.disabled .dropdown-trigger{opacity:.5;cursor:not-allowed;background:var(--glass-bg-disabled);border-color:var(--color-slate-200)}.xiaoclass-dropdown.disabled .dropdown-trigger:hover{box-shadow:var(--shadow-sm);background:var(--glass-bg-disabled);transform:none}.dark .xiaoclass-dropdown.disabled .dropdown-trigger{border-color:var(--color-slate-700)}.xiaoclass-dropdown.error .dropdown-trigger{border-color:var(--color-red-400);background:#ef44440d}.xiaoclass-dropdown.error .dropdown-trigger:focus-visible{outline-color:var(--color-red-500);border-color:var(--color-red-500)}.dark .xiaoclass-dropdown.error .dropdown-trigger{background:#ef44441a}.xiaoclass-dropdown.success .dropdown-trigger{border-color:var(--color-green-400)}.dark .xiaoclass-dropdown.success .dropdown-trigger{border-color:var(--color-green-600)}.xiaoclass-dropdown-menu{z-index:50;background:var(--glass-bg-strong);width:100%;max-height:400px;-webkit-backdrop-filter:blur(var(--blur-2xl));border:var(--glass-border);border-radius:var(--radius-md);box-shadow:var(--shadow-xl);animation:dropdown-fade-in .2s var(--ease-out);margin:0;padding:.5rem;list-style:none;position:absolute;top:calc(100% + .5rem);left:0;overflow-y:auto}.xiaoclass-dropdown-menu.align-right{left:auto;right:0}.dropdown-option{border-radius:var(--radius-sm);color:var(--color-slate-700);cursor:pointer;transition:all .15s var(--ease-out);outline:none;align-items:center;padding:.75rem 1rem;font-size:.875rem;font-weight:500;display:flex}.dropdown-option:hover:not(.disabled){background:var(--glass-bg-hover);color:var(--color-slate-900)}.dropdown-option:focus{background:var(--glass-bg-hover);outline:2px solid var(--color-sky-500);outline-offset:-2px}.dropdown-option.selected{background:var(--gradient-primary-subtle);color:var(--color-sky-700);font-weight:600}.dropdown-option.selected:hover{background:#0ea5e926}.dark .dropdown-option.selected{color:var(--color-sky-300)}.dark .dropdown-option.selected:hover{background:#0ea5e933}.dropdown-option.focused{background:var(--glass-bg-hover);outline:2px solid var(--color-sky-500);outline-offset:-2px}.dropdown-option.disabled{opacity:.5;cursor:not-allowed}.dropdown-help-text{color:var(--color-slate-500);margin-top:.5rem;font-size:.75rem}.dark .dropdown-help-text{color:var(--color-slate-400)}.dropdown-error-text{color:var(--color-red-500);margin-top:.5rem;font-size:.75rem;font-weight:500}.dark .dropdown-error-text{color:var(--color-red-400)}@keyframes dropdown-fade-in{0%{opacity:0;transform:translateY(-.5rem)}to{opacity:1;transform:translateY(0)}}.xiaoclass-dropdown-menu::-webkit-scrollbar{width:6px}.xiaoclass-dropdown-menu::-webkit-scrollbar-track{background:0 0}.xiaoclass-dropdown-menu::-webkit-scrollbar-thumb{background:var(--color-slate-300);border-radius:3px}.xiaoclass-dropdown-menu::-webkit-scrollbar-thumb:hover{background:var(--color-slate-400)}.dark .xiaoclass-dropdown-menu::-webkit-scrollbar-thumb{background:var(--color-slate-600)}.dark .xiaoclass-dropdown-menu::-webkit-scrollbar-thumb:hover{background:var(--color-slate-500)}@media (max-width:640px){.dropdown-trigger{padding:.875rem 1rem;font-size:1rem}.dropdown-option{padding:1rem;font-size:1rem}.xiaoclass-dropdown-menu{max-height:300px}}@media print{.dropdown-trigger{box-shadow:none;background:#fff;border:1px solid #000}.xiaoclass-dropdown-menu,.dropdown-arrow,.dropdown-loading,.dropdown-success-icon{display:none}}@media (prefers-contrast:high){.dropdown-trigger{border-width:2px}.dropdown-option.selected{background:var(--color-sky-500);color:#fff}}@media (prefers-reduced-motion:reduce){.dropdown-trigger,.dropdown-option,.xiaoclass-dropdown-menu{transition:none;animation:none}}
.offline-banner{z-index:9999;background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-2xl));border-top:var(--glass-border);box-shadow:var(--shadow-2xl);animation:slide-up .3s var(--ease-out);align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex;position:fixed;bottom:0;left:0;right:0}.offline-icon{background:var(--glass-bg);width:2.5rem;height:2.5rem;-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;display:flex}.offline-icon i{font-size:1.25rem}.offline-content{flex:1;min-width:0}.offline-title{color:var(--color-slate-900);margin:0;font-size:.875rem;font-weight:600;line-height:1.25}.offline-description{color:var(--color-slate-600);margin:.25rem 0 0;font-size:.75rem;line-height:1.25}.offline-actions{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.offline-retry{white-space:nowrap;padding:.5rem 1rem;font-size:.875rem;font-weight:500}.offline-close{border-radius:var(--radius-sm);width:2rem;height:2rem;color:var(--color-slate-600);cursor:pointer;transition:all .2s var(--ease-out);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:flex}.offline-close:hover{background:var(--glass-bg-hover);color:var(--color-slate-900)}.offline-close:focus-visible{outline:2px solid var(--color-sky-500);outline-offset:2px}.dark .offline-banner{background:#0f172ae6;border-top-color:#ffffff1a}.dark .offline-icon{background:#1e293bb3;border-color:#ffffff1a}.dark .offline-title{color:var(--color-slate-100)}.dark .offline-description,.dark .offline-close{color:var(--color-slate-400)}.dark .offline-close:hover{color:var(--color-slate-100);background:#1e293bcc}@keyframes slide-up{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.offline-banner{flex-direction:column;align-items:stretch;gap:.75rem;padding:.875rem 1rem}.offline-icon{align-self:flex-start}.offline-actions{justify-content:space-between}.offline-retry{flex:1;justify-content:center}.offline-close{width:2.5rem;height:2.5rem}}@media (prefers-reduced-motion:reduce){.offline-banner,.offline-close{transition:none;animation:none}}@media print{.offline-banner{display:none}}
.share-card-container{width:100%;max-width:500px;margin:0 auto;position:relative}.share-card{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-2xl));border:var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);transition:all .3s var(--ease-out);position:relative;overflow:hidden}.share-card:hover{box-shadow:var(--shadow-3xl);transform:translateY(-2px)}.share-card-bg{background:var(--gradient-primary);opacity:.1;z-index:0;position:absolute;inset:0}.share-card-decoration{z-index:0;background:#0ea5e91a;border-radius:50%;position:absolute}.share-card-decoration.decoration-1{width:120px;height:120px;top:-30px;right:-30px}.share-card-decoration.decoration-2{width:80px;height:80px;bottom:-20px;left:-20px}.share-card-content{z-index:1;padding:2rem;position:relative}.share-card-header{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.share-card-avatar{border-radius:var(--radius-full);-o-object-fit:cover;object-fit:cover;border:2px solid var(--color-sky-500);width:56px;height:56px;box-shadow:var(--shadow-md)}.share-card-user{flex:1}.share-card-name{color:var(--text-primary);margin-bottom:.25rem;font-size:1.125rem;font-weight:600}.share-card-date{color:var(--text-tertiary);font-size:.875rem}.share-card-body{text-align:center;margin-bottom:1.5rem}.share-card-title{color:var(--text-primary);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.75rem;font-size:1.75rem;font-weight:700}.share-card-description{color:var(--text-secondary);margin-bottom:1.5rem;font-size:1rem;line-height:1.6}.share-card-score{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);align-items:baseline;gap:.5rem;padding:1rem 2rem;display:inline-flex}.score-number{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:900;line-height:1}.score-label{color:var(--text-secondary);font-size:1rem;font-weight:500}.share-card-footer{border-top:1px solid #ffffff1a;justify-content:center;padding-top:1rem;display:flex}.share-card-brand{color:var(--text-tertiary);font-size:1rem}.share-card-actions{gap:.75rem;margin-top:1rem;display:flex}.share-button,.download-button{flex:1}.share-menu{z-index:10;background:var(--glass-bg-strong);min-width:160px;-webkit-backdrop-filter:blur(var(--blur-2xl));border:var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2xl);animation:menu-fade-in .2s var(--ease-out);padding:.5rem;position:absolute;top:calc(100% + .5rem);right:0}@keyframes menu-fade-in{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.share-menu-item{border-radius:var(--radius-md);width:100%;color:var(--text-primary);cursor:pointer;transition:all .2s var(--ease-out);text-align:left;background:0 0;border:none;align-items:center;padding:.75rem 1rem;font-size:.875rem;display:flex}.share-menu-item:hover{background:var(--glass-bg);color:var(--color-sky-500)}.share-menu-item:focus-visible{outline:2px solid var(--color-sky-500);outline-offset:2px}.dark .share-card{background:var(--glass-dark-bg-strong);border-color:var(--glass-dark-border)}.dark .share-card-bg{opacity:.15;background:linear-gradient(135deg,#38bdf8 0%,#818cf8 100%)}.dark .share-card-name{color:var(--dark-text-primary)}.dark .share-card-title{background:linear-gradient(135deg,#38bdf8 0%,#818cf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.dark .share-card-description{color:var(--dark-text-secondary)}.dark .score-number{background:linear-gradient(135deg,#38bdf8 0%,#818cf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.dark .share-card-score{background:var(--glass-dark-bg);border-color:var(--glass-dark-border)}.dark .score-label{color:var(--dark-text-secondary)}.dark .share-card-brand{color:var(--dark-text-tertiary)}.dark .share-card-footer{border-top-color:#ffffff0d}.dark .share-menu{background:var(--glass-dark-bg-strong);border-color:var(--glass-dark-border)}.dark .share-menu-item{color:var(--dark-text-primary)}.dark .share-menu-item:hover{background:var(--glass-dark-bg);color:var(--color-sky-400)}@media (max-width:640px){.share-card-content{padding:1.5rem}.share-card-title{font-size:1.5rem}.score-number{font-size:2.5rem}.share-card-actions{flex-direction:column}.share-menu{left:0;right:auto}}
.xiaoclass-container{flex-direction:column;min-height:100vh;display:flex;position:relative}a.xiaoclass-btn-primary,button.xiaoclass-btn-primary{background-color:var(--text-color)!important;color:var(--white)!important;border:2px solid var(--text-color)!important;white-space:nowrap!important;border-radius:4px!important;justify-content:center!important;align-items:center!important;min-width:160px!important;margin:0!important;padding:16px 32px!important;font-weight:700!important;text-decoration:none!important;transition:all .2s!important;display:inline-flex!important}a.xiaoclass-btn-primary:hover,button.xiaoclass-btn-primary:hover{color:var(--text-color)!important;box-shadow:4px 4px 0 var(--text-color)!important;background-color:#0000!important;transform:translate(-2px,-2px)!important}a.xiaoclass-btn-secondary,button.xiaoclass-btn-secondary{color:var(--text-color)!important;border:2px solid var(--text-color)!important;white-space:nowrap!important;background-color:#0000!important;border-radius:4px!important;justify-content:center!important;align-items:center!important;min-width:160px!important;margin:0!important;padding:16px 32px!important;font-weight:700!important;text-decoration:none!important;transition:all .2s!important;display:inline-flex!important}a.xiaoclass-btn-secondary:hover,button.xiaoclass-btn-secondary:hover{background-color:var(--white)!important;box-shadow:4px 4px 0 var(--text-color)!important;transform:translate(-2px,-2px)!important}.xiaoclass-btn-cta{background-color:var(--accent-yellow);color:var(--text-color);border:2px solid #0000;border-radius:4px;justify-content:center;align-items:center;padding:18px 48px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.xiaoclass-btn-cta:hover{background-color:var(--white);border-color:var(--accent-yellow);transform:scale(1.05)}.xiaoclass-pain-point-card{background:var(--white);border:1px solid var(--border-color);border-radius:8px;padding:16px;transition:transform .2s}@media (min-width:768px){.xiaoclass-pain-point-card{padding:24px}}.xiaoclass-pain-point-card:hover{transform:translateY(-4px);box-shadow:4px 4px #0000001a}.xiaoclass-solution-card{background:var(--white);border:2px solid var(--border-color);border-radius:8px;padding:32px;position:relative}.xiaoclass-step-number{color:var(--text-color);opacity:1;margin-bottom:16px;font-family:Space Mono,monospace;font-size:3rem;font-weight:700;line-height:1}.xiaoclass-service-card{background:var(--white);border:1px solid var(--border-color);border-radius:8px;flex-direction:column;padding:32px;display:flex}.xiaoclass-service-card.featured{border:2px solid var(--text-color);box-shadow:8px 8px 0 var(--text-color);transform:translate(-4px,-4px)}.xiaoclass-tag{text-transform:uppercase;border:1px solid var(--border-color);border-radius:4px;padding:4px 8px;font-size:12px;font-weight:700}.xiaoclass-tag.featured{background:var(--accent-yellow);border-color:var(--text-color)}.xiaoclass-text-gray-900{color:var(--text-color)!important}.xiaoclass-text-gray-700{color:#555!important}.cta-white-text,.bg-xiaoclass-text .text-white{color:#fff!important}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-float{animation:3s ease-in-out infinite float}
.login-page-gradient{background:var(--mesh-background);width:100%;height:100%;position:absolute;inset:0}.login-glass-container{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-xl));border:var(--glass-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);padding:var(--spacing-8);width:100%;max-width:480px;transition:var(--transition-base);margin:0 auto;position:relative}.login-type-toggle{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-1);margin-bottom:var(--spacing-6);gap:var(--spacing-1);display:flex}.login-type-btn{padding:var(--spacing-3);border-radius:var(--radius-md);font-family:var(--font-family-zh);font-weight:var(--font-semibold);font-size:var(--text-sm);color:var(--color-slate-600);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;flex:1}.login-type-btn:hover{color:var(--color-slate-900);background:var(--glass-bg-hover)}.login-type-btn.active{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.login-form-label{font-size:var(--text-sm);font-weight:var(--font-medium);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2);display:block}.login-input{width:100%;padding:var(--spacing-3)var(--spacing-4);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);font-family:var(--font-family-zh);font-size:var(--text-base);color:var(--color-slate-900);transition:var(--transition-fast)}.login-input::placeholder{color:var(--color-slate-500)}.login-input:focus{background:var(--glass-bg-hover);border-color:var(--color-sky-400);outline:none;box-shadow:0 0 0 3px #0ea5e91a}.login-error-message{margin-top:var(--spacing-4);padding:var(--spacing-3)var(--spacing-4);background:var(--color-error-bg);-webkit-backdrop-filter:blur(var(--blur-sm));border:1px solid var(--color-error-border);border-radius:var(--radius-lg);text-align:center}.login-error-text{color:var(--color-error-text);font-size:var(--text-sm);font-family:var(--font-family-zh)}.login-link{color:var(--color-amber-500);font-size:var(--text-sm);font-weight:var(--font-semibold);transition:var(--transition-fast);text-decoration:none}.login-link:hover{color:var(--color-amber-600);text-decoration:underline}.login-divider{margin-top:var(--spacing-4);padding-top:var(--spacing-4);border-top:1px solid #94a3b833}.login-logo-section{text-align:center;margin-bottom:var(--spacing-8)}.login-logo-title{font-size:var(--text-3xl);font-weight:var(--font-bold);font-family:var(--font-family-en);color:var(--color-slate-900);margin-bottom:var(--spacing-2)}.login-logo-subtitle{font-size:var(--text-sm);color:var(--color-slate-600);font-family:var(--font-family-zh)}.dark .login-glass-container{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .login-type-toggle{background:var(--glass-dark-bg)}.dark .login-type-btn{color:var(--color-slate-400)}.dark .login-type-btn:hover{color:var(--color-slate-100);background:#33415580}.dark .login-input{background:var(--glass-dark-bg);color:var(--color-slate-100);border:var(--glass-dark-border)}.dark .login-input::placeholder{color:var(--color-slate-500)}.dark .login-input:focus{border-color:var(--color-sky-400);background:#1e293bd9;box-shadow:0 0 0 3px #38bdf833}.dark .login-form-label,.dark .login-logo-title{color:var(--color-slate-100)}.dark .login-logo-subtitle{color:var(--color-slate-400)}@media (max-width:640px){.login-glass-container{padding:var(--spacing-6);border-radius:var(--radius-xl)}.login-logo-title{font-size:var(--text-2xl)}}
.dashboard-page{background:var(--mesh-background);min-height:100vh;padding-bottom:80px;position:relative}.dashboard-container{max-width:1200px;margin:0 auto;padding:1rem 1.5rem 2rem}@media (max-width:640px){.dashboard-container{padding:.75rem 1rem 1.5rem}}.dashboard-welcome-section{text-align:center;padding:var(--spacing-8)var(--spacing-4);z-index:1;position:relative}.dashboard-welcome-title{font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2)}.dashboard-grid{gap:var(--spacing-6);padding:var(--spacing-4);grid-template-columns:repeat(1,1fr);max-width:1200px;margin:0 auto;display:grid}@media (min-width:768px){.dashboard-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.dashboard-grid{grid-template-columns:repeat(3,1fr)}}.dashboard-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);transition:var(--transition-base);flex-direction:column;height:100%;display:flex}.dashboard-card:hover{background:var(--glass-bg-hover);box-shadow:var(--shadow-xl);transform:translateY(-4px)}.dashboard-card-icon{border-radius:var(--radius-lg);width:48px;height:48px;margin-bottom:var(--spacing-4);font-size:var(--text-xl);justify-content:center;align-items:center;display:flex}.dashboard-card-icon.math{color:var(--color-sky-500);background:linear-gradient(135deg,#0ea5e926 0%,#0ea5e90d 100%)}.dashboard-card-icon.video{color:var(--color-green-500);background:linear-gradient(135deg,#22c55e26 0%,#22c55e0d 100%)}.dashboard-card-icon.profile{color:var(--color-purple-500);background:linear-gradient(135deg,#a855f726 0%,#a855f70d 100%)}.dashboard-card-title{font-size:var(--text-xl);font-weight:var(--font-semibold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2)}.dashboard-card-description{font-size:var(--text-sm);color:var(--color-slate-600);line-height:var(--leading-relaxed);margin-bottom:var(--spacing-4);flex-grow:1}.dashboard-card-link{font-size:var(--text-sm);font-weight:var(--font-semibold);transition:var(--transition-fast);align-items:center;text-decoration:none;display:inline-flex}.dashboard-card-link.math{color:var(--color-sky-500)}.dashboard-card-link.video{color:var(--color-green-500)}.dashboard-card-link.profile{color:var(--color-purple-500)}.dashboard-card-link:hover{opacity:.8}.dashboard-stats-section{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);margin:var(--spacing-4)auto;max-width:1200px}.dashboard-stats-title{font-size:var(--text-xl);font-weight:var(--font-semibold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-6)}.dashboard-stats-grid{gap:var(--spacing-4);grid-template-columns:repeat(1,1fr);display:grid}@media (min-width:768px){.dashboard-stats-grid{grid-template-columns:repeat(3,1fr)}}.dashboard-stat-card{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-4);text-align:center}.dashboard-stat-value{font-size:var(--text-3xl);font-weight:var(--font-bold);font-family:var(--font-family-en);margin-bottom:var(--spacing-2)}.dashboard-stat-value.math{color:var(--color-sky-500)}.dashboard-stat-value.video{color:var(--color-green-500)}.dashboard-stat-value.speech{color:var(--color-purple-500)}.dashboard-stat-label{font-size:var(--text-sm);color:var(--color-slate-600);font-family:var(--font-family-zh)}.dark .dashboard-page{background:linear-gradient(135deg,#0f172af2 0%,#1e293bf2 100%)}.dark .dashboard-card,.dark .dashboard-stats-section{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .dashboard-stat-card{background:#1e293b99}.dark .dashboard-welcome-title,.dark .dashboard-card-title{color:var(--color-slate-100)}.dark .dashboard-card-description{color:var(--color-slate-400)}.dark .dashboard-stats-title{color:var(--color-slate-100)}.dark .dashboard-stat-label{color:var(--color-slate-400)}@media (max-width:640px){.dashboard-welcome-section{padding:var(--spacing-6)var(--spacing-4)}.dashboard-welcome-title{font-size:var(--text-xl)}.dashboard-card,.dashboard-stats-section{padding:var(--spacing-4)}.dashboard-stat-value{font-size:var(--text-2xl)}}
.math-practice-page{background:var(--mesh-background);min-height:100vh;position:relative}.math-practice-header{text-align:center;padding:var(--spacing-8)var(--spacing-4);z-index:1;position:relative}.math-practice-title{font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2)}.math-practice-content{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);max-width:800px;margin:var(--spacing-4)auto}.math-practice-description{font-size:var(--text-base);color:var(--color-slate-600);line-height:var(--leading-relaxed);margin-bottom:var(--spacing-4)}.math-practice-user-info{font-size:var(--text-sm);color:var(--color-slate-600);padding:var(--spacing-3);background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg)}.math-question-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);margin-bottom:var(--spacing-4);transition:var(--transition-base)}.math-question-card:hover{background:var(--glass-bg-hover);box-shadow:var(--shadow-xl);transform:translateY(-4px)}.math-question-text{font-size:var(--text-xl);font-weight:var(--font-bold);font-family:var(--font-family-en);color:var(--color-slate-900);text-align:center;margin-bottom:var(--spacing-4)}.math-question-answer{font-size:var(--text-lg);color:var(--color-slate-600);text-align:center}.dark .math-practice-page{background:linear-gradient(135deg,#0f172af2 0%,#1e293bf2 100%)}.dark .math-practice-content{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .math-practice-user-info{color:var(--color-slate-400);background:#1e293b99}.dark .math-practice-title{color:var(--color-slate-100)}.dark .math-practice-description{color:var(--color-slate-400)}.dark .math-question-card{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .math-question-text{color:var(--color-slate-100)}.dark .math-question-answer{color:var(--color-slate-400)}@media (max-width:640px){.math-practice-header{padding:var(--spacing-6)var(--spacing-4)}.math-practice-title{font-size:var(--text-xl)}.math-practice-content,.math-question-card{padding:var(--spacing-4)}.math-question-text{font-size:var(--text-lg)}}
.onboarding-page{background:var(--mesh-background);flex-direction:column;min-height:100vh;display:flex}.onboarding-content{padding:var(--spacing-6)var(--spacing-6)var(--spacing-8);background:var(--bg-gray-50);flex:1}.onboarding-welcome{text-align:center;margin-bottom:var(--spacing-8);animation:.6s ease-out fadeIn}.onboarding-welcome h1{font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2)}.onboarding-welcome p{color:var(--color-slate-600);font-size:var(--text-base)}.avatar-upload{width:100px;height:100px;margin:0 auto var(--spacing-4);border:3px solid var(--glass-border);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));cursor:pointer;transition:var(--transition-base);border-radius:50%;position:relative;overflow:hidden}.avatar-upload:hover{border-color:var(--color-sky-400);transform:scale(1.05)}.avatar-upload img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.avatar-upload .overlay{opacity:0;transition:var(--transition-fast);background:#0000004d;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.avatar-upload:hover .overlay{opacity:1}.form-label{font-size:var(--text-sm);font-weight:var(--font-medium);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2);display:block}.form-input{width:100%;padding:var(--spacing-3)var(--spacing-4);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);font-family:var(--font-family-zh);font-size:var(--text-base);color:var(--color-slate-900);transition:var(--transition-fast)}.form-input:focus{background:var(--glass-bg-hover);border-color:var(--color-sky-400);outline:none;box-shadow:0 0 0 3px #0ea5e91a}.form-input.error{border-color:var(--color-red-400);background:#fecaca1a}.grade-option{padding:var(--spacing-3);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border:var(--glass-border);border-radius:var(--radius-lg);font-family:var(--font-family-zh);font-size:var(--text-sm);color:var(--color-slate-900);cursor:pointer;transition:var(--transition-fast)}.grade-option:hover{background:var(--glass-bg-hover);border-color:var(--color-sky-400)}.grade-option.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.onboarding-button{width:100%;padding:var(--spacing-4);background:var(--gradient-primary);color:#fff;border-radius:var(--radius-xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);font-size:var(--text-lg);cursor:pointer;transition:var(--transition-base);border:none}.onboarding-button:hover:not(:disabled){box-shadow:var(--shadow-xl);transform:translateY(-2px)}.onboarding-button:disabled{opacity:.5;cursor:not-allowed}.success-message{-webkit-backdrop-filter:blur(var(--blur-md));backdrop-filter:blur(var(--blur-md));border:1px solid var(--color-green-400);border-radius:var(--radius-lg);padding:var(--spacing-4);color:var(--color-green-600);text-align:center;background:#22c55e1a}.error-message{color:var(--color-red-500);font-size:var(--text-sm);margin-top:var(--spacing-2)}.password-setup-section{border-top:1px solid var(--color-slate-200);padding-top:var(--spacing-6)}.form-label-sm{font-size:var(--text-sm);font-weight:var(--font-medium);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-2);display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dark .onboarding-content{background:#0f172a80}.dark .onboarding-welcome h1,.dark .form-label,.dark .grade-option,.dark .form-label-sm{color:var(--color-slate-100)}.dark .onboarding-welcome p{color:var(--color-slate-400)}.dark .form-input{background:var(--glass-dark-bg);color:var(--color-slate-100);border:var(--glass-dark-border)}.dark .grade-option{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .grade-option:hover{border-color:var(--color-sky-400)}@media (max-width:640px){.onboarding-welcome h1{font-size:var(--text-xl)}.onboarding-button{font-size:var(--text-base)}}
.profile-page{background:var(--mesh-background);min-height:100vh;padding:var(--spacing-6)}.profile-header{text-align:center;margin-bottom:var(--spacing-6)}.profile-title{font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);color:var(--color-slate-900)}.profile-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);max-width:800px;margin:0 auto}.profile-avatar-section{margin-bottom:var(--spacing-6);align-items:center;display:flex}.profile-avatar{background:var(--gradient-primary);color:#fff;width:80px;height:80px;font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-en);margin-right:var(--spacing-4);border-radius:50%;justify-content:center;align-items:center;display:flex}.profile-info h2{font-size:var(--text-xl);font-weight:var(--font-semibold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-1)}.profile-info p{font-size:var(--text-sm);color:var(--color-slate-600)}.profile-divider{border-top:1px solid var(--color-slate-200);padding-top:var(--spacing-4)}.profile-section-title{font-weight:var(--font-semibold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-3)}.profile-info-list{gap:var(--spacing-2);font-size:var(--text-sm);flex-direction:column;display:flex}.profile-info-item label{font-weight:var(--font-medium);color:var(--color-slate-900);margin-right:var(--spacing-2)}.profile-info-item span{color:var(--color-slate-600)}.dark .profile-page{background:linear-gradient(135deg,#0f172af2 0%,#1e293bf2 100%)}.dark .profile-card{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .profile-title,.dark .profile-info h2,.dark .profile-section-title,.dark .profile-info-item label{color:var(--color-slate-100)}.dark .profile-info p,.dark .profile-info-item span{color:var(--color-slate-400)}@media (max-width:640px){.profile-page,.profile-card{padding:var(--spacing-4)}.profile-avatar-section{text-align:center;flex-direction:column}.profile-avatar{margin-right:0;margin-bottom:var(--spacing-3)}}
.settings-page{background:var(--mesh-background);min-height:100vh;padding:var(--spacing-6)}.settings-header{text-align:center;margin-bottom:var(--spacing-6)}.settings-title{font-size:var(--text-2xl);font-weight:var(--font-bold);font-family:var(--font-family-zh);color:var(--color-slate-900)}.settings-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--spacing-6);box-shadow:var(--shadow-lg);max-width:800px;margin:0 auto var(--spacing-6)}.settings-card-title{font-size:var(--text-xl);font-weight:var(--font-semibold);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-4)}.settings-card-title.danger{color:var(--color-red-500)}.settings-item{padding:var(--spacing-3)0;border-bottom:1px solid var(--color-slate-200);justify-content:space-between;align-items:center;display:flex}.settings-item:last-child{border-bottom:none}.settings-item-info h3{font-weight:var(--font-medium);font-family:var(--font-family-zh);color:var(--color-slate-900);margin-bottom:var(--spacing-1)}.settings-item-info p{font-size:var(--text-sm);color:var(--color-slate-600)}.settings-button{color:var(--color-sky-500);font-size:var(--text-sm);font-weight:var(--font-semibold);font-family:var(--font-family-zh);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none}.settings-button:hover{color:var(--color-sky-600)}.settings-button.logout{background:var(--color-red-500);color:#fff;padding:var(--spacing-2)var(--spacing-4);border-radius:var(--radius-lg);transition:var(--transition-base)}.settings-button.logout:hover{background:var(--color-red-600)}.dark .settings-page{background:linear-gradient(135deg,#0f172af2 0%,#1e293bf2 100%)}.dark .settings-card{background:var(--glass-dark-bg);border:var(--glass-dark-border)}.dark .settings-title,.dark .settings-card-title,.dark .settings-item-info h3{color:var(--color-slate-100)}.dark .settings-item-info p{color:var(--color-slate-400)}.dark .settings-item{border-bottom-color:#94a3b833}@media (max-width:640px){.settings-page,.settings-card{padding:var(--spacing-4)}.settings-item{align-items:flex-start;gap:var(--spacing-2);flex-direction:column}}
.quiz-container{max-width:800px;margin:0 auto;padding:2rem}.filter-section{background-color:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:2px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:2rem;padding:1.5rem;display:flex}.filter-group{flex-direction:row;align-items:center;gap:.5rem;display:flex}.filter-label{color:var(--text-color);font-weight:600;font-family:var(--font-family);white-space:nowrap}.filter-select{border:2px solid var(--border-color);border-radius:var(--radius-sm);min-width:150px;font-family:var(--font-family);background-color:var(--white);color:var(--text-color);cursor:pointer;padding:.5rem 1rem}.quiz-card{background-color:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:2px solid var(--border-color);margin-bottom:2rem;padding:2rem}.quiz-header{border-bottom:2px solid var(--bg-color);margin-bottom:1rem;padding-bottom:.5rem}.quiz-index{font-size:var(--font-size-sm);color:var(--text-color);text-transform:uppercase;letter-spacing:.05em;opacity:.7;font-weight:600}.quiz-stem{font-size:var(--font-size-lg);color:var(--text-color);margin-bottom:1.5rem;line-height:1.6}.quiz-options{flex-direction:column;gap:1rem;display:flex}.quiz-option{border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;background-color:var(--white);align-items:center;padding:1rem;transition:all .2s;display:flex;position:relative}.quiz-option:hover{background-color:var(--bg-color);transform:var(--transform-sm);box-shadow:var(--shadow-sm)}.quiz-option.selected{border-color:var(--text-color);background-color:var(--accent-yellow);box-shadow:4px 4px 0 var(--text-color);z-index:1;font-weight:600;transform:translate(-2px,-2px)}.quiz-option-label{background-color:var(--white);border:2px solid var(--border-color);width:32px;height:32px;color:var(--text-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-right:1rem;font-weight:700;transition:all .2s;display:flex}.quiz-option.selected .quiz-option-label{background-color:var(--text-color);color:var(--white);border-color:var(--text-color);transform:scale(1.1)}.quiz-analysis{background-color:var(--bg-color);border-radius:var(--radius-md);border-left:4px solid var(--text-color);border:2px solid var(--border-color);border-left-width:6px;margin-top:2rem;padding:1.5rem}.analysis-title{color:var(--text-color);font-weight:700;font-size:var(--font-size-lg);margin-bottom:1rem}.markdown-content{color:var(--text-color);font-family:var(--font-family)}.markdown-content p{margin-bottom:1rem}.markdown-content strong{font-weight:700}.quiz-option.correct{border-color:var(--success-color);box-shadow:none;background-color:#d1fae5}.quiz-option.correct .quiz-option-label{background-color:var(--success-color);color:#fff;border-color:var(--success-color)}.quiz-option.incorrect{border-color:var(--error-color);background-color:#fee2e2}.quiz-option.incorrect .quiz-option-label{background-color:var(--error-color);color:#fff;border-color:var(--error-color)}.score-summary{background-color:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);text-align:center;border:2px solid var(--border-color);border-top:6px solid var(--text-color);margin-bottom:2rem;padding:2rem}.score-title{font-size:var(--font-size-xl);color:var(--text-color);margin-bottom:1rem;font-weight:600}.score-value{font-size:var(--font-size-4xl);color:var(--text-color);margin-bottom:1rem;font-weight:800;line-height:1}.score-separator{color:var(--border-color);vertical-align:middle;opacity:.5;margin:0 .5rem;font-size:2rem}.score-total{color:var(--text-color);vertical-align:middle;opacity:.7;font-size:2rem}.score-message{font-size:var(--font-size-lg);color:var(--text-color);margin-bottom:1.5rem}.incorrect-summary{border-radius:var(--radius-md);border:2px solid var(--error-color);background-color:#fef2f2;max-width:100%;margin-bottom:1.5rem;padding:1rem;display:inline-block}.incorrect-title{font-size:var(--font-size-sm);color:var(--error-color);margin-bottom:.5rem;font-weight:600}.incorrect-list{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.incorrect-badge{background-color:var(--white);border:2px solid var(--error-color);color:var(--error-color);border-radius:var(--radius-full);font-size:var(--font-size-sm);cursor:pointer;padding:.25rem .75rem;font-weight:700;transition:all .2s}.incorrect-badge:hover{background-color:var(--error-color);color:var(--white)}.retry-btn{color:var(--text-color);border:2px solid var(--text-color);border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-family:var(--font-family);background-color:#0000;padding:.5rem 1.5rem;transition:all .2s}.retry-btn:hover{background-color:var(--text-color);color:var(--white);transform:var(--transform-sm);box-shadow:var(--shadow-sm)}
.error-page{background:var(--mesh-background-subtle);justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex;position:relative;overflow:hidden}.error-page:before{content:"";background:radial-gradient(circle,#0ea5e91a 0%,#0000 70%);border-radius:50%;width:40%;height:40%;animation:6s ease-in-out infinite float;position:absolute;top:-10%;left:-10%}.error-page:after{content:"";background:radial-gradient(circle,#8b5cf614 0%,#0000 70%);border-radius:50%;width:50%;height:50%;animation:8s ease-in-out infinite reverse float;position:absolute;bottom:-10%;right:-10%}.error-container{z-index:10;width:100%;max-width:600px;position:relative}.error-card{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-2xl));border:var(--glass-border);border-radius:var(--radius-3xl);box-shadow:var(--shadow-2xl);text-align:center;animation:error-card-fade-in .4s var(--ease-out);padding:3rem 2rem}.error-code{background:var(--gradient-primary);-webkit-text-fill-color:transparent;opacity:.9;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:8rem;font-weight:900;line-height:1}.error-icon{margin-bottom:1.5rem;font-size:4rem}.error-title{color:var(--color-slate-900);margin-bottom:1rem;font-size:2rem;font-weight:700}.dark .error-title{color:var(--color-slate-100)}.error-description{color:var(--color-slate-600);margin-bottom:2rem;font-size:1.125rem;line-height:1.6}.dark .error-description{color:var(--color-slate-400)}.error-actions{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:2rem;display:flex}.error-actions button{min-width:140px}.error-help{border-top:1px solid #0000001a;padding-top:2rem}.dark .error-help{border-top-color:#ffffff1a}.error-help p{color:var(--color-slate-700);margin-bottom:.75rem;font-weight:600}.dark .error-help p{color:var(--color-slate-300)}.error-help ul{margin:0;padding:0;list-style:none}.error-help li{padding:.5rem 0 .5rem 1.5rem;position:relative}.error-help li:before{content:"→";color:var(--color-sky-500);font-weight:700;position:absolute;left:0}@keyframes error-card-fade-in{0%{opacity:0;transform:translateY(20px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes float{0%,to{transform:translate(0)}50%{transform:translate(20px,-20px)}}@media (max-width:640px){.error-card{padding:2rem 1.5rem}.error-code{font-size:5rem}.error-icon{font-size:3rem}.error-title{font-size:1.5rem}.error-description{font-size:1rem}.error-actions{flex-direction:column}.error-actions button{width:100%}}.dark .error-page{background:radial-gradient(circle,#0ea5e90d 0%,#0000 70%)}.dark .error-card{background:#0f172acc;border-color:#ffffff1a}@media print{.error-page{background:#fff}.error-card{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;border:1px solid #000}.error-actions,.error-help{display:none}}@media (prefers-contrast:high){.error-card{border-width:2px}.error-code{-webkit-text-fill-color:var(--color-sky-600)}}@media (prefers-reduced-motion:reduce){.error-card,.error-page:before,.error-page:after{animation:none}}
.coming-soon-page{justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.coming-soon-background{background:var(--gradient-primary);z-index:-2;background-size:400% 400%;animation:15s infinite gradient-shift;position:fixed;inset:0}@keyframes gradient-shift{0%,to{background-position:0%}50%{background-position:100%}}.coming-soon-decoration{background:#ffffff1a;border-radius:50%;animation:20s ease-in-out infinite float;position:absolute}.coming-soon-decoration.decoration-1{width:300px;height:300px;animation-delay:0s;top:-100px;left:-100px}.coming-soon-decoration.decoration-2{width:200px;height:200px;animation-delay:5s;top:60%;right:-50px}.coming-soon-decoration.decoration-3{width:150px;height:150px;animation-delay:10s;bottom:-50px;left:20%}@keyframes float{0%,to{transform:translate(0)rotate(0)}33%{transform:translate(30px,-30px)rotate(10deg)}66%{transform:translate(-20px,20px)rotate(-5deg)}}.coming-soon-container{z-index:1;width:100%;max-width:600px;padding:2rem;position:relative}.coming-soon-card{background:var(--glass-bg-strong);-webkit-backdrop-filter:blur(var(--blur-2xl));border:var(--glass-border);border-radius:var(--radius-3xl);box-shadow:var(--shadow-2xl);text-align:center;animation:card-fade-in .6s var(--ease-out);padding:3rem 2rem}@keyframes card-fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.coming-soon-logo{margin-bottom:1.5rem}.coming-soon-logo h1{letter-spacing:-.02em;font-size:3rem;font-weight:900}.coming-soon-title{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.5rem;font-weight:700}.coming-soon-description{color:var(--text-secondary);margin-bottom:2rem;font-size:1.125rem;line-height:1.6}.coming-soon-countdown{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;margin-bottom:2.5rem;display:flex}.countdown-item{text-align:center;min-width:80px}.countdown-number{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:3rem;font-weight:900;line-height:1}.countdown-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem}.countdown-separator{color:var(--text-tertiary);margin:0 .5rem;font-size:2.5rem;font-weight:700}.coming-soon-subscribe{margin-bottom:2rem}.subscribe-label{color:var(--text-secondary);margin-bottom:1rem;font-size:1rem}.subscribe-form{gap:.75rem;max-width:400px;margin:0 auto;display:flex}.subscribe-input{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-md);color:var(--text-primary);transition:all .2s var(--ease-out);flex:1;padding:.75rem 1rem;font-size:1rem}.subscribe-input:focus{border-color:var(--color-sky-500);outline:none;box-shadow:0 0 0 3px #0ea5e91a}.subscribe-input::placeholder{color:var(--text-tertiary)}.subscribe-button{white-space:nowrap}.subscribe-error{color:var(--color-red-500);margin-top:.75rem;font-size:.875rem}.coming-soon-success{margin-bottom:2rem}.success-icon{animation:success-bounce .5s var(--ease-out);margin-bottom:1rem;font-size:3rem}@keyframes success-bounce{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.success-message{color:var(--color-emerald-500);margin-bottom:.5rem;font-size:1.5rem;font-weight:700}.success-description{color:var(--text-secondary);font-size:1rem}.coming-soon-social{justify-content:center;align-items:center;gap:1.5rem;margin-bottom:2rem;display:flex}.social-link{background:var(--glass-bg);width:48px;height:48px;-webkit-backdrop-filter:blur(var(--blur-lg));border:var(--glass-border);border-radius:var(--radius-full);color:var(--text-secondary);transition:all .3s var(--ease-out);justify-content:center;align-items:center;display:flex}.social-link:hover{box-shadow:var(--shadow-lg);color:var(--color-sky-500);transform:translateY(-2px)}.social-link:focus-visible{outline:2px solid var(--color-sky-500);outline-offset:2px}.coming-soon-footer{color:var(--text-tertiary);font-size:.875rem}.dark .coming-soon-background{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%)}.dark .coming-soon-card{background:var(--glass-dark-bg-strong);border-color:var(--glass-dark-border)}.dark .coming-soon-title,.dark .countdown-number{background:linear-gradient(135deg,#38bdf8 0%,#818cf8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.dark .subscribe-input{background:var(--glass-dark-bg);border-color:var(--glass-dark-border);color:var(--dark-text-primary)}.dark .subscribe-input::placeholder{color:var(--dark-text-tertiary)}.dark .social-link{background:var(--glass-dark-bg);border-color:var(--glass-dark-border);color:var(--dark-text-secondary)}.dark .social-link:hover{color:var(--color-sky-400)}.dark .coming-soon-footer{color:var(--dark-text-tertiary)}@media (max-width:640px){.coming-soon-card{padding:2rem 1.5rem}.coming-soon-logo h1{font-size:2rem}.coming-soon-title{font-size:1.75rem}.coming-soon-description{font-size:1rem}.countdown-number{font-size:2rem}.countdown-item{min-width:60px}.countdown-separator{font-size:1.5rem}.subscribe-form{flex-direction:column}.subscribe-button{width:100%}}@media (max-width:480px){.coming-soon-container{padding:1rem}.coming-soon-countdown{gap:.25rem}.countdown-item{min-width:50px}.countdown-number{font-size:1.5rem}.countdown-label{font-size:.75rem}}