/*! tailwindcss v4.2.1 | 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-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}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.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}}.hidden{display:none}.table{display:table}.grow{flex-grow:1}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.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)}}:root{--ink:#17324d;--muted:#6f756f;--paper:#f8f0df;--paper-deep:#efe1c3;--sun:#f5c84c;--orange:#e96b38;--orange-dark:#b74424;--sky:#b9dce7;--white:#fffdf8;--line:#d7c7a8}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}body{background-color:var(--paper);min-height:100vh;color:var(--ink);font-family:var(--font-geist-sans), "PingFang SC", "Microsoft YaHei", sans-serif;margin:0;font-size:18px}button,a,audio{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,audio:focus-visible{outline:4px solid var(--sky);outline-offset:3px}.library-page,.story-page{min-height:100vh;padding:calc(24px + env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) calc(48px + env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left))}.library-header,.story-header{justify-content:space-between;align-items:center;gap:18px;width:min(1180px,100%);min-height:56px;margin:0 auto;display:flex}.brand-lockup{min-height:48px;color:var(--ink);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-lockup span{border:2px solid var(--ink);background:var(--sun);border-radius:50%;place-items:center;width:42px;height:42px;display:grid}.brand-lockup strong,.brand-mark{letter-spacing:.05em;font-family:Georgia,Songti SC,serif;font-size:24px}.library-badge,.chapter-chip{border:2px solid var(--ink);background:var(--white);border-radius:999px;align-items:center;min-height:44px;padding:0 18px;font-size:15px;font-weight:750;display:inline-flex}.library-hero{grid-template-columns:minmax(0,1fr) 260px;align-items:center;gap:60px;width:min(1180px,100%);margin:72px auto 86px;display:grid}.eyebrow,.story-title>p,.section-heading p,.drawer-heading p{color:var(--orange-dark);letter-spacing:.16em;text-transform:uppercase;margin:0 0 12px;font-size:14px;font-weight:800}.library-hero h1{letter-spacing:-.045em;max-width:820px;margin:0;font-family:Georgia,Songti SC,serif;font-size:clamp(48px,7vw,92px);font-weight:700;line-height:1.04}.hero-note{color:#546371;max-width:640px;margin:30px 0 0;font-size:clamp(18px,2.2vw,23px);line-height:1.7}.hero-emblem{border:4px solid var(--ink);background:var(--sun);width:240px;height:240px;box-shadow:14px 14px 0 var(--orange);text-align:center;border-radius:50%;place-content:center;display:grid;transform:rotate(3deg)}.hero-emblem span{font-family:Georgia,serif;font-size:84px;font-weight:800;line-height:.9}.hero-emblem small{margin-top:12px;font-size:16px;font-weight:800}.course-section{border-top:2px solid var(--line);width:min(1180px,100%);margin:0 auto;padding-top:44px}.section-heading{justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px;display:flex}.section-heading h2{margin:0;font-family:Georgia,Songti SC,serif;font-size:clamp(34px,4vw,54px)}.section-heading>span{color:var(--muted);font-size:16px}.course-grid{border-top:2px solid var(--ink);border-left:2px solid var(--ink);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.course-card{border:0;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);background:var(--white);min-height:160px;color:var(--ink);cursor:pointer;text-align:left;grid-template-columns:52px 1fr 62px;align-items:center;gap:18px;padding:24px;transition:background-color .16s,transform .16s;display:grid}.course-card:hover{background:#fff4c7;transform:translateY(-3px)}.course-number{color:var(--orange);font-family:Georgia,serif;font-size:38px;font-weight:800}.course-copy{gap:5px;display:grid}.course-copy small,.course-copy span{color:var(--muted);font-size:14px}.course-copy strong{font-size:23px}.progress-ring{border:2px solid var(--orange);width:58px;height:58px;color:var(--orange-dark);border-radius:50%;place-items:center;font-size:13px;font-weight:800;display:grid}.loading-chapter{z-index:20;border:2px solid var(--ink);background:var(--ink);color:#fff;text-align:center;border-radius:16px;max-width:420px;margin:auto;padding:16px 24px;position:fixed;inset:auto 24px 24px}.story-page{background-color:var(--paper);grid-template-rows:auto auto minmax(310px,1fr) auto;gap:28px;display:grid}.story-header{grid-template-columns:1fr auto 1fr;display:grid}.quiet-button,.vocabulary-count,.translation-toggle,.sentence-button,.vocabulary-actions button,.drawer-heading button{border:2px solid var(--ink);background:var(--white);min-height:44px;color:var(--ink);cursor:pointer;border-radius:999px;font-weight:800}.quiet-button{justify-self:start;padding:0 18px}.brand-mark{justify-self:start}.vocabulary-count{justify-self:end;padding:0 16px}.vocabulary-count b{background:var(--orange);color:#fff;border-radius:50%;place-items:center;min-width:28px;min-height:28px;margin-left:6px;display:inline-grid}.story-title{text-align:center;width:min(900px,100%);margin:12px auto 0}.story-title h1{margin:0;font-family:Georgia,Songti SC,serif;font-size:clamp(42px,6vw,72px);line-height:1}.subtitle-stage{border:3px solid var(--ink);background:var(--sun);width:min(980px,100%);min-height:330px;box-shadow:12px 12px 0 var(--ink);text-align:center;border-radius:36px;flex-direction:column;justify-content:center;align-items:center;margin:0 auto;padding:clamp(34px,6vw,72px);display:flex}.subtitle-line{letter-spacing:-.025em;margin:0 0 28px;font-family:Georgia,serif;font-size:clamp(34px,5vw,58px);font-weight:700;line-height:1.28}.word-button{min-height:52px;color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;border-bottom:4px solid #0000;margin:2px;padding:0 4px;line-height:1.05}.word-button:hover,.word-button:focus-visible{border-bottom-color:var(--orange)}.word-button.is-saved{border-bottom-color:var(--orange-dark);color:var(--orange-dark)}.translation-toggle{border-color:var(--orange-dark);background:var(--white);color:var(--orange-dark);padding:0 22px}.translation{color:#614b2e;margin:20px 0 0;font-size:clamp(20px,2.4vw,28px);line-height:1.5}.narration-state{color:#6c592d}.narration-state span{font-size:68px}.narration-state p{margin:8px 0;font-family:Georgia,Songti SC,serif;font-size:clamp(34px,5vw,54px);font-weight:700}.narration-state small{font-size:16px}.player-panel{border:2px solid var(--ink);background:var(--white);border-radius:24px;width:min(980px,100%);margin:0 auto;padding:24px 30px 28px}.player-panel audio{width:100%;min-height:54px}.time-row{color:var(--muted);font-variant-numeric:tabular-nums;justify-content:space-between;margin:8px 4px 18px;font-size:14px;display:flex}.sentence-controls{grid-template-columns:1fr 1fr;gap:14px;display:grid}.sentence-button{min-height:54px}.sentence-button.primary{border-color:var(--orange-dark);background:var(--orange);color:#fff}.drawer-backdrop{z-index:50;background:#17324d75;justify-content:flex-end;display:flex;position:fixed;inset:0}.vocabulary-drawer{width:min(480px,92vw);height:100%;padding:calc(26px + env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) calc(26px + env(safe-area-inset-bottom)) 28px;border-left:3px solid var(--ink);background:var(--paper);overflow-y:auto}.drawer-heading{justify-content:space-between;align-items:start;margin-bottom:28px;display:flex}.drawer-heading h2{margin:0;font-family:Georgia,Songti SC,serif;font-size:46px}.drawer-heading button{width:48px;padding:0;font-size:28px}.vocabulary-list{margin:0;padding:0;list-style:none}.vocabulary-list li{border-top:2px solid var(--line);padding:22px 0}.vocabulary-list strong{font-family:Georgia,serif;font-size:30px}.vocabulary-entry-content p{margin:8px 0 0;line-height:1.55}.vocabulary-entry-content .word-meaning{color:var(--ink);font-weight:700}.vocabulary-entry-content .word-example,.vocabulary-entry-content .word-example-zh{color:var(--muted)}.vocabulary-entry-content .word-example-zh{margin-top:2px}.vocabulary-actions{grid-template-columns:1fr auto;gap:8px;margin-top:16px;display:grid}.vocabulary-actions button{padding:0 12px;font-size:14px}.vocabulary-actions .remove-word{color:var(--orange-dark);background:0 0;border-color:#0000}.empty-vocabulary{border-top:2px solid var(--line);color:var(--muted);text-align:center;padding:60px 20px}.empty-vocabulary span{font-size:64px}@media (width<=900px){.library-hero{grid-template-columns:1fr 190px;gap:28px}.hero-emblem{width:175px;height:175px;box-shadow:9px 9px 0 var(--orange)}.hero-emblem span{font-size:62px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.library-page,.story-page{padding-right:max(16px, env(safe-area-inset-right));padding-left:max(16px, env(safe-area-inset-left))}.library-hero{grid-template-columns:1fr;margin:46px auto 62px}.hero-emblem{display:none}.section-heading{flex-direction:column;align-items:start}.course-grid{grid-template-columns:1fr}.course-card{grid-template-columns:48px 1fr 56px;min-height:132px;padding:20px 18px}.story-page{gap:18px}.story-header{grid-template-columns:1fr auto}.story-header .chapter-chip{display:none}.subtitle-stage{min-height:300px;box-shadow:7px 7px 0 var(--ink);border-radius:24px;padding:30px 18px}.subtitle-line{font-size:clamp(32px,10vw,46px)}.player-panel{padding:18px}.sentence-controls{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}@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}
