@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-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@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{.start{inset-inline-start:var(--spacing)}.table{display:table}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-bg:#fffaf3;--color-surface:#fff;--color-ink:#18181b;--color-muted:#5f5b55;--color-border:#ddd7cc;--color-cinnabar:#c23b2a;--color-cinnabar-dark:#9f2f22;--color-jade:#1f7a68;--color-indigo:#273469;--color-gold:#d59b2d;--color-gold-ink:#7a4f00;--color-focus:#0f5bff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--color-bg);color:var(--color-ink);margin:0;font-family:Inter,Noto Sans SC,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body::selection{background:#1f7a6838}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0}img{max-width:100%;display:block}:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.site-header{border-bottom:1px solid var(--color-border);z-index:10;background:#fffaf3f0;justify-content:space-between;align-items:center;gap:24px;min-height:64px;padding:0 48px;display:flex;position:sticky;top:0}.brand-mark{color:var(--color-indigo);font-size:18px;font-weight:800}.nav-links{align-items:center;gap:6px;display:flex}.nav-links a{color:var(--color-muted);border-radius:999px;padding:8px 12px;font-size:14px;font-weight:700}.nav-links a:hover{color:var(--color-jade);background:#1f7a681a}.hero{color:#fff;background-image:linear-gradient(90deg,#18181bd9,#18181b94 52%,#18181b42),url(/lesson-preview.svg);background-position:50%;background-size:cover;align-items:center;min-height:calc(100svh - 144px);padding:64px 48px;display:flex}.hero-content{max-width:760px}.eyebrow,.section-kicker,.card-label{letter-spacing:0;text-transform:uppercase}.eyebrow{color:#f4c76d;margin:0 0 16px;font-size:13px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;max-width:820px;margin-bottom:24px;font-size:60px;line-height:1.02}h2{letter-spacing:0;margin-bottom:14px;font-size:34px;line-height:1.12}h3{letter-spacing:0;margin-bottom:10px;font-size:21px;line-height:1.22}.hero-copy{color:#ffffffe0;max-width:700px;margin-bottom:28px;font-size:19px;line-height:1.58}.hero-actions,.hero-metrics,.package-grid,.trial-steps{display:flex}.hero-actions{flex-wrap:wrap;gap:12px;margin-bottom:40px}.button{cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:46px;padding:12px 18px;font-weight:800;transition:background-color .16s,border-color .16s,color .16s,transform .16s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(0)}.button.primary{background:var(--color-cinnabar);color:#fff}.button.primary:hover{background:var(--color-cinnabar-dark)}.button.secondary{color:#fff;background:#ffffff1f;border:1px solid #ffffff73}.button.secondary:hover{background:#fff3}.hero-metrics{border-top:1px solid #ffffff3d;flex-wrap:wrap;gap:28px;margin:0;padding-top:24px}.hero-metrics div{min-width:128px}.hero-metrics dt{color:#fff;font-size:26px;font-weight:850}.hero-metrics dd{color:#ffffffbf;margin:4px 0 0;font-size:14px}.section{max-width:1180px;margin:0 auto;padding:80px 48px}.intro-strip{grid-template-columns:minmax(0,1fr) minmax(280px,420px);align-items:start;gap:48px;padding-bottom:48px;display:grid}.intro-strip p:last-child,.section-heading p,.package-card p,.sample-card p,.trial-steps p,.waitlist-copy p,.faq-item p{color:var(--color-muted);line-height:1.6}.section-kicker,.card-label{color:var(--color-cinnabar);margin-bottom:10px;font-size:12px;font-weight:850}.section-heading{max-width:700px;margin-bottom:28px}.package-grid{gap:16px}.package-card,.sample-card,.trial-steps article,.faq-item,.waitlist-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px}.package-card{flex-direction:column;flex:1 1 0;justify-content:space-between;min-height:460px;padding:24px;display:flex}.package-card:nth-child(2){border-color:#1f7a6885}.package-details{gap:14px;margin:24px 0;display:grid}.package-details dt{color:var(--color-indigo);margin-bottom:3px;font-size:13px;font-weight:850}.package-details dd{color:var(--color-muted);margin:0;line-height:1.45}.text-link{color:var(--color-jade);font-weight:850}.text-link:hover{color:var(--color-indigo);text-underline-offset:4px;text-decoration:underline}.split-section{grid-template-columns:minmax(280px,420px) minmax(0,1fr);align-items:start;gap:48px;display:grid}.sample-list{gap:14px;display:grid}.sample-card{border-left:4px solid var(--color-jade);padding:22px}.sample-card:nth-child(2){border-left-color:var(--color-indigo)}.sample-card:nth-child(3){border-left-color:var(--color-cinnabar)}.sample-card h3{font-size:20px}.sample-card .text-link{margin-top:8px;display:inline-block}.sample-hero{color:#fff;background-color:#0000;background-image:linear-gradient(115deg,#18181be6 0%,#273469d1 48%,#1f7a68c2 100%),url(/lesson-preview.svg);background-position:50%;background-repeat:repeat,repeat;background-size:cover;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;padding:88px 48px 72px}.sample-hero-content{grid-template-columns:minmax(0,1fr) 360px;align-items:end;gap:48px;max-width:1180px;margin:0 auto;display:grid}.sample-hero .hero-copy{max-width:760px}.sample-hero-panel{border:1px solid #ffffff57;border-radius:8px;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0;display:grid;overflow:hidden}.sample-hero-panel div{background:#ffffff1a;min-height:118px;padding:20px}.sample-hero-panel div:first-child,.sample-hero-panel div:nth-child(2){border-bottom:1px solid #ffffff3d}.sample-hero-panel div:first-child,.sample-hero-panel div:nth-child(3){border-right:1px solid #ffffff3d}.sample-hero-panel dt{color:#fff;font-size:38px;font-weight:900;line-height:1}.sample-hero-panel dd{color:#ffffffc7;margin:8px 0 0;font-size:13px;font-weight:750;line-height:1.35}.sample-index{grid-template-columns:minmax(280px,420px) minmax(0,1fr);align-items:center;gap:32px;padding-bottom:32px;display:grid}.track-strip{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.track-pill{border:1px solid var(--track-border);color:var(--track-ink);border-radius:999px;padding:10px 14px;font-size:14px;font-weight:850}.track-pill:hover{background:var(--track-wash)}.track-hsk{--track:var(--color-indigo);--track-border:#2734695c;--track-ink:var(--color-indigo);--track-wash:#27346914}.track-culture{--track:var(--color-jade);--track-border:#1f7a685c;--track-ink:var(--color-jade);--track-wash:#1f7a681a}.track-relationship{--track:var(--color-cinnabar);--track-border:#c23b2a57;--track-ink:var(--color-cinnabar);--track-wash:#c23b2a14}.sample-library{gap:22px;padding-top:32px;display:grid}.sample-full-card{background:var(--color-surface);border:1px solid var(--color-border);border-left:6px solid var(--track);border-radius:8px;grid-template-columns:72px minmax(0,1fr) minmax(280px,380px);gap:28px;padding:0;scroll-margin-top:88px;display:grid}.sample-number{background:var(--track-wash);color:var(--track-ink);justify-content:center;align-items:center;min-height:100%;font-size:26px;font-weight:900;display:flex}.sample-main{padding:28px 0}.sample-main h2{margin-bottom:12px;font-size:30px}.sample-main p,.sample-phrase p{color:var(--color-muted);line-height:1.6}.sample-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0 0;display:grid}.sample-meta dt,.sample-example-label{color:var(--track-ink);margin-bottom:6px;font-size:13px;font-weight:850}.sample-meta dd{color:var(--color-muted);margin:0;line-height:1.5}.sample-phrase{border-left:1px solid var(--color-border);background:linear-gradient(#fffdf9,#fff);flex-direction:column;justify-content:center;min-height:100%;padding:28px;display:flex}.phrase-zh{margin-bottom:12px;font-family:Noto Serif SC,Noto Sans SC,serif;font-size:24px;font-weight:750;color:var(--color-ink)!important;line-height:1.48!important}.phrase-en{border-top:1px solid var(--color-border);padding-top:12px}.sample-cta{background:var(--track);color:#fff;width:100%;margin-top:20px}.sample-cta:hover{background:var(--color-indigo)}.boundary-note{border:1px solid var(--color-border);background:#f4eadc;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin-bottom:80px;display:grid}.boundary-note p{color:var(--color-muted);line-height:1.6}.trial-band{border-bottom:1px solid var(--color-border);border-top:1px solid var(--color-border);background:#f4eadc;max-width:none;padding-left:max(48px,50vw - 542px);padding-right:max(48px,50vw - 542px)}.trial-steps{gap:16px}.trial-steps article{flex:1 1 0;padding:24px}.trial-steps span{color:var(--color-gold-ink);margin-bottom:18px;font-size:14px;font-weight:900;display:inline-block}.waitlist-section{grid-template-columns:minmax(280px,1fr) minmax(320px,460px);align-items:start;gap:48px;display:grid}.waitlist-copy{max-width:620px}.waitlist-form{gap:16px;padding:24px;display:grid}.waitlist-form label{color:var(--color-ink);gap:8px;font-size:14px;font-weight:850;display:grid}.waitlist-form .consent-field{grid-template-columns:18px minmax(0,1fr);align-items:start;gap:10px;line-height:1.45;display:grid}.waitlist-form input,.waitlist-form select,.waitlist-form textarea{border:1px solid var(--color-border);color:var(--color-ink);background:#fffdf9;border-radius:8px;width:100%;min-height:44px;padding:11px 12px}.waitlist-form input[type=checkbox]{accent-color:var(--color-cinnabar);width:18px;height:18px;min-height:18px;margin:2px 0 0;padding:0}.waitlist-form .consent-field span{color:var(--color-muted);font-weight:750}.waitlist-form textarea{resize:vertical;min-height:112px}.waitlist-form input::placeholder,.waitlist-form textarea::placeholder{color:#8b8177}.waitlist-form input:hover,.waitlist-form select:hover,.waitlist-form textarea:hover{border-color:#1f7a6885}.waitlist-form button{width:100%}.faq-list{gap:12px;display:grid}.faq-item{padding:22px 24px}.faq-item h3{color:var(--color-indigo);font-size:19px}@media (max-width:980px){.package-grid,.trial-steps{grid-template-columns:1fr;display:grid}.package-card{min-height:auto}.intro-strip,.split-section,.waitlist-section,.sample-hero-content,.sample-index,.sample-full-card,.sample-meta{grid-template-columns:1fr}.track-strip{justify-content:flex-start}.sample-number{justify-content:flex-start;align-items:flex-start;min-height:auto;padding:18px 20px 0}.sample-main{padding:0 20px}.sample-phrase{border-left:0;border-top:1px solid var(--color-border);padding:20px}.boundary-note{grid-template-columns:1fr}.boundary-note .button{width:100%}}@media (max-width:760px){.site-header{flex-direction:column;align-items:flex-start;gap:8px;min-height:auto;padding:14px 18px;position:static}.nav-links{flex-wrap:wrap;gap:4px}.nav-links a{padding:7px 9px}.hero{background-image:linear-gradient(#18181be0,#18181b9e),url(/lesson-preview.svg);min-height:calc(100svh - 116px);padding:42px 18px}h1{font-size:38px}h2{font-size:28px}h3{font-size:20px}.hero-copy{font-size:17px}.hero-actions{flex-direction:column;align-items:stretch;margin-bottom:28px}.hero-actions .button{width:100%}.hero-metrics{gap:16px}.hero-metrics div{min-width:112px}.section,.trial-band,.sample-hero{padding:56px 18px}.intro-strip{padding-bottom:36px}.package-card,.sample-card,.trial-steps article,.faq-item,.waitlist-form{padding:20px}.sample-main h2{font-size:24px}.sample-index{padding-bottom:16px}.sample-hero-panel{grid-template-columns:1fr}.sample-hero-panel div,.sample-hero-panel div:first-child,.sample-hero-panel div:nth-child(2),.sample-hero-panel div:nth-child(3){border-bottom:1px solid #ffffff3d;border-right:0;min-height:auto}.sample-hero-panel div:last-child{border-bottom:0}.phrase-zh{font-size:21px}.boundary-note{margin-bottom:56px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}