:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#343a40;font-synthesis:none;text-rendering:optimizelegibility;--color-canvas:#f3efe6;--color-paper:#fffdf8;--color-ink:#18261f;--color-text:#3e413c;--color-muted:#6c6b63;--color-rule:#d8d0c1;--color-rule-strong:#9e978a;--color-action:#284f3e;--color-action-hover:#17392b;--color-accent:#9a5938;--color-success:#316044;--color-success-soft:#e6efe8;--color-warning:#7a552c;--color-warning-soft:#f4eadb;--color-error:#873a35;--color-error-soft:#f5e7e4;--font-display:"Noto Serif TC", "Songti TC", Georgia, serif;--font-body:"Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-control:.625rem;--radius-surface:.75rem;--radius-card:var(--radius-surface);--color-paper-deep:#ebe5d9;--focus-ring:0 0 0 3px #355c4a3d;--content-width:76rem;--transition-fast:.18s ease;--ink:var(--color-ink);--muted:var(--color-muted);--paper:var(--color-paper);--line:var(--color-rule);--line-strong:var(--color-rule-strong);--accent:var(--color-action);--success:var(--color-success);--success-bg:var(--color-success-soft);--error:var(--color-error);--error-bg:var(--color-error-soft);background:#f6f2e9;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;min-width:20rem}body{background:var(--color-canvas);min-width:20rem;min-height:100vh;color:var(--color-text);margin:0}body,button,input,select,textarea{font-family:var(--font-body)}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--color-action);text-underline-offset:.2em}a:hover{color:var(--color-action-hover)}h1,h2,h3{color:var(--color-ink);font-family:var(--font-display);margin-block:0;font-weight:600;line-height:1.35}h1{letter-spacing:-.045em;font-size:clamp(2.65rem,6vw,5.5rem)}h2{font-size:clamp(1.65rem,3vw,2.5rem)}h3{font-size:1.25rem}p{line-height:1.65}:focus-visible{box-shadow:var(--focus-ring);outline:none}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.app-shell{min-height:100vh}.page-shell,.site-header{width:min(var(--content-width), calc(100% - 2rem));margin-inline:auto}.page-shell{padding-block:clamp(var(--space-8), 7vw, 5rem)}.skip-link{z-index:100;top:var(--space-3);left:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-control);background:var(--color-ink);color:#fff;position:fixed;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{align-items:center;gap:var(--space-8);border-bottom:1px solid var(--color-rule);min-height:5.25rem;display:flex}.wordmark{color:var(--color-ink);font-family:var(--font-display);letter-spacing:.08em;white-space:nowrap;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:700;text-decoration:none;display:inline-flex}.brand-icon{object-fit:contain;flex-shrink:0;width:1.85rem;height:1.85rem;display:block;transform:translateY(1px)}.site-header nav{align-items:center;gap:var(--space-6);display:flex}.site-header nav a{color:var(--color-text);font-size:.9375rem;text-decoration:none}.site-header nav a:hover{color:var(--color-action)}.account-menu{align-items:center;gap:var(--space-3);min-width:0;margin-left:auto;display:flex}.account-menu span{max-width:15rem;color:var(--color-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.8125rem;overflow:hidden}.button{min-height:2.75rem;padding:.625rem var(--space-4);border:1px solid var(--color-action);border-radius:var(--radius-control);background:var(--color-action);color:#fff;cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);font-weight:700}.button:hover{border-color:var(--color-action-hover);background:var(--color-action-hover)}.button-quiet{border-color:var(--color-rule);color:var(--color-ink);background:0 0}.button-quiet:hover{border-color:var(--color-rule-strong);background:var(--color-paper)}.button-secondary{border-color:var(--color-rule-strong);color:var(--color-ink);background:0 0}.button-secondary:hover{border-color:var(--color-action);background:var(--color-paper)}.button-link{cursor:pointer;min-height:2.75rem;font:inherit;background:0 0;border:0;padding:0;font-weight:700}.eyebrow,.overline{margin:0 0 var(--space-2);color:var(--color-accent);letter-spacing:.12em;text-transform:uppercase;font-size:.75rem;font-weight:800}.muted{color:var(--color-muted)}.child-identity{justify-content:space-between;align-items:end;gap:var(--space-6);display:flex}.child-switcher{gap:var(--space-2);color:var(--color-muted);font-size:.8125rem;font-weight:700;display:grid}.child-switcher select{min-height:2.75rem;padding:var(--space-2) var(--space-3);border:1px solid var(--color-rule-strong);border-radius:var(--radius-control);background:var(--color-paper);color:var(--color-ink)}.material-history{border-top:1px solid var(--color-rule)}.material-history-item{padding-block:var(--space-8);border-bottom:1px solid var(--color-rule)}.material-heading{justify-content:space-between;align-items:start;gap:var(--space-4);display:flex}.revision,.status-label{padding:var(--space-1) var(--space-2);background:var(--color-warning-soft);color:var(--color-warning);white-space:nowrap;border-radius:999px;font-size:.75rem;font-weight:700;display:inline-flex}.status-success{background:var(--color-success-soft);color:var(--color-success)}.material-actions{gap:var(--space-3);margin-block:var(--space-4);flex-wrap:wrap;display:flex}.feedback-summary{margin-block:var(--space-4)}.feedback-summary p{margin-bottom:0}.feedback-form{gap:var(--space-6);margin-top:var(--space-6);padding:var(--space-6);border:1px solid var(--color-rule);border-radius:var(--radius-surface);background:color-mix(in srgb, var(--color-paper) 78%, transparent);display:grid}.feedback-intro h3,.feedback-intro p{margin:0}.feedback-intro p{margin-top:var(--space-1)}.feedback-question{border:0;min-width:0;margin:0;padding:0}.feedback-question legend{margin-bottom:var(--space-3);color:var(--color-ink);font-weight:700}.choice-group{gap:var(--space-2);flex-wrap:wrap;display:flex}.choice-chip{cursor:pointer;display:inline-flex}.choice-chip input{opacity:0;width:1px;height:1px;position:absolute;overflow:hidden}.choice-chip span{border:1px solid var(--color-rule);background:var(--color-paper);min-height:2.5rem;color:var(--color-text);transition:border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);border-radius:999px;align-items:center;padding:.5rem .875rem;font-size:.875rem;font-weight:600;display:inline-flex}.choice-chip input:checked+span{border-color:var(--color-action);background:var(--color-action);color:#fff}.choice-chip input:focus-visible+span{box-shadow:var(--focus-ring)}.feedback-details-toggle{justify-content:space-between;align-items:center;gap:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--color-rule);display:flex}.feedback-details-toggle span{color:var(--color-muted);font-size:.8125rem}.feedback-details{gap:var(--space-4);padding:var(--space-6);border-left:.2rem solid var(--color-rule-strong);background:var(--color-paper);display:grid}.feedback-details label{gap:var(--space-2);color:var(--color-ink);font-size:.875rem;font-weight:700;display:grid}.feedback-details label>span{color:var(--color-muted);font-size:.8125rem;font-weight:400}.feedback-form textarea{width:100%;min-height:2.75rem;padding:var(--space-3);border:1px solid var(--color-rule-strong);border-radius:var(--radius-control);background:var(--color-paper);color:var(--color-text);resize:vertical;min-height:6rem}.feedback-submit{align-items:center;gap:var(--space-4);display:flex}.feedback-submit p{margin:0;font-size:.8125rem}.field-wide{grid-column:1/-1}.notice{padding:var(--space-3) var(--space-4);border-radius:var(--radius-control)}.notice-error{background:var(--color-error-soft);color:var(--color-error)}.parent-guide-page{width:min(48rem,100%);margin-inline:auto}.parent-guide-page>h1{max-width:19ch}.parent-guide-steps{gap:var(--space-4);margin-top:var(--space-8);display:grid}.parent-guide-steps>section{gap:var(--space-4);padding:var(--space-5);border:1px solid var(--color-rule);border-radius:var(--radius-surface);background:var(--color-paper);grid-template-columns:2.5rem 1fr;display:grid}.parent-guide-steps>section>span{background:var(--color-action);color:#fff;border-radius:50%;place-items:center;width:2.25rem;height:2.25rem;font-weight:800;display:grid}.parent-guide-steps h2{margin:0;font-size:1.125rem}.parent-guide-steps p{margin:var(--space-2) 0 0;color:var(--color-muted)}.product-feedback-section{margin-top:var(--space-12);padding-top:var(--space-8);border-top:1px solid var(--color-rule-strong)}.product-feedback-section 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var(--color-rule-strong);border-radius:var(--radius-control);background:var(--color-paper);color:var(--color-text);resize:vertical}.product-feedback-submit{align-items:center;gap:var(--space-4);display:flex}.product-feedback-submit span{font-size:.8125rem}.capacity-status{align-items:center;gap:var(--space-4);margin-top:var(--space-6);padding:var(--space-4);border:1px solid var(--color-rule);border-left:.25rem solid var(--color-success);border-radius:var(--radius-control);display:flex}.capacity-status span{color:var(--color-muted)}.capacity-status .button{margin-left:auto}.status-waitlist{border-left-color:var(--color-warning)}.billing-layout{gap:clamp(var(--space-8), 5vw, var(--space-12));margin-block:var(--space-8);grid-template-columns:1fr;align-items:start;display:grid}.billing-layout.has-active-checkout{grid-template-columns:minmax(20rem,1fr) minmax(22rem,1.2fr)}.subscription-list{gap:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));align-items:stretch;display:grid}.subscription-card{padding:var(--space-6);border:1px solid var(--color-rule);border-radius:var(--radius-card);background:var(--color-paper);flex-direction:column;justify-content:space-between;display:flex;box-shadow:0 1px 3px #0000000a}.subscription-card-body{gap:var(--space-3);flex-direction:column;display:flex}.subscription-card h2{margin-top:var(--space-1);margin-bottom:var(--space-2)}.subscription-action{padding-top:var(--space-4);border-top:1px solid var(--color-rule);margin-top:auto}.subscription-action .button{margin-top:var(--space-2)}.billing-plan-selector{gap:var(--space-3);min-width:0;margin:0 0 var(--space-4);border:0;padding:0;display:grid}.billing-plan-selector legend{margin-bottom:var(--space-2);color:var(--color-ink);font-weight:700}.billing-plan-selector label{align-items:start;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-rule);border-radius:var(--radius-control);cursor:pointer;display:flex}.billing-plan-selector label.is-selected{border-color:var(--color-action);background:color-mix(in srgb, var(--color-success-soft) 45%, white)}.billing-plan-selector input{accent-color:var(--color-action);margin-top:.25rem}.billing-plan-selector span{gap:var(--space-1);display:grid}.billing-plan-selector small{color:var(--color-muted);line-height:1.5}.plan-price-line{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:inline-flex}.strike-price{color:var(--color-muted);font-size:.95em;font-weight:500;text-decoration:line-through}.highlight-price{color:var(--color-action);font-weight:700;text-decoration:none}.badge-discount{background:var(--color-success-soft);color:var(--color-success);border-radius:999px;align-items:center;padding:.125rem .45rem;font-size:.75rem;font-weight:700;display:inline-flex}.badge-savings{color:#0369a1;background:#e0f2fe;border-radius:999px;align-items:center;padding:.125rem .45rem;font-size:.75rem;font-weight:700;display:inline-flex}.cancel-confirmation{gap:var(--space-3);margin-top:var(--space-4);padding:var(--space-5);border:1px solid var(--color-rule);border-radius:var(--radius-surface);background:var(--color-paper-deep);display:grid}.cancel-confirmation p{margin:0}.cancel-confirmation p:first-child strong{color:var(--color-ink);font-size:1.05rem}.cancel-confirmation p:nth-child(2){color:var(--color-muted);font-size:.9rem;line-height:1.6}.cancel-confirmation label{margin-top:var(--space-1);color:var(--color-ink);font-size:.875rem;font-weight:600}.cancel-confirmation textarea{width:100%;min-height:5.5rem;padding:var(--space-3) var(--space-4);border:1px solid var(--color-rule-strong);border-radius:var(--radius-control);background:var(--color-paper);color:var(--color-ink);resize:vertical;transition:border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);font-family:inherit;font-size:.92rem;line-height:1.6}.cancel-confirmation textarea::placeholder{color:var(--color-muted);opacity:.75}.cancel-confirmation textarea:hover{border-color:var(--color-ink)}.cancel-confirmation textarea:focus{border-color:var(--color-action);background:#fff;outline:none;box-shadow:0 0 0 3px #284f3e1f}.cancel-confirmation .button{margin-top:var(--space-1);justify-self:start}.checkout-panel{border:1px solid var(--color-rule);background:var(--color-paper);min-width:0;overflow:hidden;box-shadow:1rem 1rem #284f3e14}.checkout-panel-heading{justify-content:space-between;align-items:start;gap:var(--space-4);padding:var(--space-6);border-bottom:1px solid var(--color-rule);display:flex}.checkout-panel-heading 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var(--color-rule);color:var(--color-muted);margin:0;font-size:.75rem}.status-trialing{background:var(--color-warning-soft);color:var(--color-warning)}.status-active{background:var(--color-success-soft);color:var(--color-success)}.status-past_due,.status-canceled{background:var(--color-error-soft);color:var(--color-error)}.status-paused{background:var(--color-paper-deep);color:var(--color-muted)}.narrow-page{width:min(42rem,100%);margin-inline:auto}.empty-state{padding:var(--space-8);border:1px dashed var(--color-rule-strong);color:var(--color-muted);text-align:center}@media (width<=43rem){.site-header{gap:var(--space-4);min-height:4rem}.page-shell{padding-bottom:6rem}.account-menu span{display:none}.child-identity{flex-direction:column;align-items:start}.feedback-form{padding:var(--space-4)}.choice-group{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.choice-chip 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var(--color-rule);border-radius:var(--radius-surface);background:var(--color-paper)}.auth-panel form,.basic-form{gap:var(--space-4);margin-top:var(--space-6);display:grid}.auth-panel label,.basic-form label{gap:var(--space-2);color:var(--color-ink);font-size:.875rem;font-weight:700;display:grid}.auth-panel input,.basic-form input,.basic-form select{width:100%;min-height:2.875rem;padding:var(--space-3);border:1px solid var(--color-rule-strong);border-radius:var(--radius-control);color:var(--color-text);background:#fff}.dashboard-heading{gap:var(--space-8);margin-bottom:var(--space-12);grid-template-columns:1fr auto;align-items:end;display:grid}.dashboard-heading h1,.form-page h1{font-size:clamp(2rem,4vw,3.5rem)}.weekly-panel{padding:clamp(var(--space-6), 5vw, var(--space-12));border:1px solid var(--color-rule);border-radius:var(--radius-surface);background:var(--color-paper)}.weekly-copy{max-width:45rem}.weekly-focus{max-width:42rem;color:var(--color-muted);font-size:1.0625rem}.weekly-feedback{justify-content:space-between;align-items:end;gap:var(--space-4);border-top:1px solid var(--color-rule);margin-top:var(--space-6);padding-top:var(--space-4);display:flex}.dashboard-support{gap:var(--space-8);margin-block:var(--space-12);grid-template-columns:1fr 1fr;display:grid}.personalization-summary,.delivery-status{padding-top:var(--space-6);border-top:2px solid var(--color-ink)}.history-section{margin-top:var(--space-16)}.history-section>h2{margin-bottom:var(--space-6)}.loading-state{min-height:50vh;color:var(--color-muted);place-items:center;display:grid}.error-state,.zero-state,.form-page{max-width:42rem;margin-inline:auto}.zero-state{padding-block:clamp(var(--space-12), 10vw, 7rem);text-align:center}.zero-state p:not(.eyebrow){margin:var(--space-6) auto;color:var(--color-muted);font-size:1.0625rem}.form-page>.muted{max-width:36rem}.form-actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.danger-link{color:var(--color-error);justify-self:start}.notice-success{background:var(--color-success-soft);color:var(--color-success)}.landing-page{overflow-x:clip}.landing-page .page-shell,.landing-page .site-header{width:min(96rem,100% - clamp(2rem,5vw,6rem))}.landing-page .page-shell{padding-top:0}.landing-page [id]{scroll-margin-top:6rem}.landing-hero{grid-template-columns:minmax(0,1.14fr) minmax(25rem,.86fr);align-items:center;gap:clamp(3rem,6vw,7rem);min-height:min(48rem,100svh - 5.25rem);padding-block:clamp(3.5rem,6vw,6rem);display:grid;position:relative}.landing-hero:before{content:"";z-index:-1;aspect-ratio:1;pointer-events:none;background:radial-gradient(circle,#9a593812,#0000 68%);border:1px solid #9a59381a;border-radius:50%;width:clamp(16rem,34vw,34rem);position:absolute;top:8%;left:-12vw}.hero-copy{max-width:48rem}.hero-copy 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p{max-width:46rem;color:var(--color-muted);margin:.55rem 0 0}.pricing-value-proposition{gap:.45rem;min-width:12rem;display:grid}.pricing-value-proposition span{color:var(--color-ink);padding-left:1.2rem;font-size:.82rem;font-weight:700;position:relative}.pricing-value-proposition span:before{content:"✓";color:var(--color-action);position:absolute;left:0}@media (width<=920px){.evolution-grid,.usage-grid{grid-template-columns:1fr}.evolution-card,.usage-card{min-height:auto}.pricing-anchor-banner{grid-template-columns:1fr}.pricing-anchor-kicker{max-width:none}.pricing-value-proposition{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=620px){.system-evolution-heading h2,.usage-heading h2{font-size:clamp(2rem,10vw,3rem)}.evolution-card,.usage-card{padding:1.5rem}.evolution-loop{border-bottom:0;justify-content:flex-start;padding-inline:0}.evolution-loop b{font-size:1rem}.pricing-anchor-banner{padding:1.35rem}.pricing-value-proposition{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.evolution-card,.usage-card{transition:none}.evolution-card:hover,.usage-card:hover{transform:none}}