:root{--ff-toolbar-navy: 26, 26, 46;--ff-toolbar-indigo: 99, 102, 241;--ff-chrome-panel: 15, 15, 23;--ff-chrome-ink: 226, 232, 240;--ff-chrome-ink-strong: 255, 255, 255;--ff-chrome-ink-faint: rgba(226, 232, 240, .35);--ff-chrome-accent-soft: 165, 180, 252;--ff-chrome-accent-bright: 199, 210, 254;--ff-chrome-shadow: 0, 0, 0;--ff-update-blue: #2b7fff;--ff-update-blue-rgb: 43, 127, 255;--ff-update-blue-bright: var(--ff-update-blue-bright);--ff-comet-bright: .5;--ff-comet-orbit-dur: 1.8s;--ff-comet-scale: 1}.ff-toolbar-trigger{position:fixed;bottom:calc(var(--ff-toolbar-bottom, 30px) + var(--ff-admob-banner-height, 0px));right:var(--ff-toolbar-right, 30px);width:52px;height:52px;border-radius:14px;background:rgba(var(--ff-toolbar-navy),.85);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(var(--ff-toolbar-indigo),.25);cursor:move;z-index:9999;display:flex;align-items:center;justify-content:center;transition:all .25s cubic-bezier(.4,0,.2,1);-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:none;overflow:hidden;box-shadow:0 4px 24px rgba(var(--ff-chrome-shadow),.4),0 0 0 1px rgba(var(--ff-toolbar-indigo),.1)}.ff-toolbar-trigger:hover{background:rgba(var(--ff-toolbar-navy),.95);border-color:rgba(var(--ff-toolbar-indigo),.5);box-shadow:0 6px 32px rgba(var(--ff-chrome-shadow),.5),0 0 20px rgba(var(--ff-toolbar-indigo),.15);transform:scale(1.05)}.ff-toolbar-trigger:focus-visible{outline:2px solid rgba(var(--ff-toolbar-indigo),.8);outline-offset:2px}.ff-toolbar-trigger.ff-dragging{cursor:grabbing;opacity:.85;transform:scale(1.08);transition:none!important}.ff-toolbar-trigger.ff-hidden{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.ff-toolbar-trigger-logo{width:34px;height:34px;object-fit:contain;display:block;border-radius:6px}.ff-toolbar-trigger-fallback{font-size:22px;line-height:1;filter:drop-shadow(0 1px 2px rgba(var(--ff-chrome-shadow),.3))}.ff-toolbar-trigger-logo-flip{position:relative;width:34px;height:34px;perspective:220px}.ff-toolbar-trigger-logo-inner{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.34,1.56,.64,1)}.ff-toolbar-trigger-logo-face{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:6px;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;align-items:center;justify-content:center}.ff-toolbar-trigger-logo-face--back{transform:rotateY(180deg);background:linear-gradient(135deg,var(--ff-update-blue-bright),var(--ff-update-blue));color:#fff}.ff-toolbar-trigger-logo-face--back svg{width:20px;height:20px;display:block}.ff-toolbar-trigger--ready .ff-toolbar-trigger-logo-inner{transform:rotateY(180deg)}.ff-toolbar-trigger--ready{animation:ff-toolbar-pulse .75s ease-out 1}@keyframes ff-toolbar-pulse{0%{box-shadow:0 4px 24px rgba(var(--ff-chrome-shadow),.4),0 0 rgba(var(--ff-update-blue-rgb),.6)}to{box-shadow:0 4px 24px rgba(var(--ff-chrome-shadow),.4),0 0 0 14px rgba(var(--ff-update-blue-rgb),0)}}.ff-toolbar-comet-field{position:fixed;bottom:calc(var(--ff-toolbar-bottom, 30px) + var(--ff-admob-banner-height, 0px));right:var(--ff-toolbar-right, 30px);width:52px;height:52px;border-radius:14px;pointer-events:none;z-index:10000;opacity:0;color:rgba(var(--ff-chrome-ink-strong),.96);transform:scale(var(--ff-comet-scale, 1));transform-origin:bottom right;transition:opacity .28s ease,color .35s ease}.ff-toolbar-comet-field.is-menu{bottom:auto;right:auto;border-radius:20px;transform-origin:center center;transition:top .4s cubic-bezier(.4,0,.2,1),left .4s cubic-bezier(.4,0,.2,1),transform .4s cubic-bezier(.4,0,.2,1),opacity .28s ease,color .35s ease}.ff-toolbar-comet-field.is-checking,.ff-toolbar-comet-field.is-downloading{opacity:var(--ff-comet-bright, .5)}.ff-toolbar-comet-field.is-downloading{color:var(--ff-update-blue)}.ff-toolbar-comet-orbit{position:absolute;top:0;right:0;bottom:0;left:0}.ff-toolbar-comet-dot{position:absolute;top:0;left:0;width:var(--d-size, 4px);height:var(--d-size, 4px);border-radius:50%;background:currentColor;opacity:var(--d-op, 1);box-shadow:0 0 calc((2px + 7px * var(--ff-comet-bright, .5)) * var(--d-glow, 1)) currentColor;offset-rotate:0deg;offset-anchor:50% 50%;offset-distance:0%;animation:ff-comet-orbit var(--ff-comet-orbit-dur, 1.8s) linear infinite;animation-play-state:paused}.ff-toolbar-comet-field.is-checking .ff-toolbar-comet-dot,.ff-toolbar-comet-field.is-downloading .ff-toolbar-comet-dot{animation-play-state:running}@keyframes ff-comet-orbit{0%{offset-distance:0%}to{offset-distance:100%}}.ff-toolbar-menu{position:fixed;background:rgba(var(--ff-chrome-panel),.92);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border:1px solid rgba(var(--ff-toolbar-indigo),.25);border-radius:20px;padding:32px;min-width:320px;max-width:90vw;z-index:9998;opacity:0;pointer-events:none;transition:top .4s cubic-bezier(.4,0,.2,1),left .4s cubic-bezier(.4,0,.2,1),transform .4s cubic-bezier(.4,0,.2,1),opacity .4s cubic-bezier(.4,0,.2,1);overflow:hidden;transform-origin:center center;will-change:top,left,transform,opacity;box-shadow:0 20px 60px rgba(var(--ff-chrome-shadow),.6),0 0 0 1px rgba(var(--ff-toolbar-indigo),.1)}.ff-toolbar-menu.ff-show{opacity:1;transform:translate(-50%,-50%) scale(1);pointer-events:all}.ff-toolbar-menu-content{display:flex;flex-direction:column;gap:16px;width:100%}.ff-toolbar-menu-header{text-align:center;padding-bottom:12px;border-bottom:1px solid rgba(var(--ff-toolbar-indigo),.15)}.ff-toolbar-menu-title{font-size:14px;font-weight:600;color:rgba(var(--ff-chrome-ink),.9);letter-spacing:.5px}.ff-toolbar-menu-items{display:flex;flex-direction:column;gap:8px;width:100%}.ff-toolbar-menu-item{display:flex;align-items:center;gap:14px;padding:14px 18px;color:rgba(var(--ff-chrome-ink),.9);text-decoration:none;border-radius:14px;transition:all .25s cubic-bezier(.4,0,.2,1);font-size:14px;font-weight:500;cursor:pointer;background:rgba(var(--ff-toolbar-indigo),.06);border:1px solid rgba(var(--ff-toolbar-indigo),.12);width:100%;text-align:left;font-family:inherit}.ff-toolbar-menu-item:hover{background:rgba(var(--ff-toolbar-indigo),.15);border-color:rgba(var(--ff-toolbar-indigo),.35);color:rgb(var(--ff-chrome-accent-soft));transform:translate(4px)}.ff-toolbar-menu-item:focus-visible{outline:2px solid rgba(var(--ff-toolbar-indigo),.8);outline-offset:2px}.ff-toolbar-menu-item-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;background:rgba(var(--ff-toolbar-indigo),.1);border-radius:10px;flex-shrink:0;transition:all .25s cubic-bezier(.4,0,.2,1);color:rgb(var(--ff-chrome-accent-soft))}.ff-toolbar-menu-item-icon svg{width:20px;height:20px;display:block}.ff-toolbar-menu-item:hover .ff-toolbar-menu-item-icon{background:rgba(var(--ff-toolbar-indigo),.2);transform:scale(1.08)}.ff-toolbar-menu-item-text{font-size:14px;font-weight:500;color:inherit}.ff-toolbar-menu-footer{text-align:center;padding-top:8px;border-top:1px solid rgba(var(--ff-toolbar-indigo),.1)}.ff-toolbar-menu-footer-text{font-size:11px;color:var(--ff-chrome-ink-faint);letter-spacing:.3px}@media (max-width: 768px){.ff-toolbar-trigger{width:46px;height:46px;border-radius:12px}.ff-toolbar-trigger-logo{width:34px;height:34px}.ff-toolbar-trigger-fallback{font-size:20px}.ff-toolbar-comet-field{--ff-comet-scale: calc(46 / 52)}.ff-toolbar-menu{min-width:280px;padding:24px 20px}.ff-toolbar-menu-items{gap:6px}.ff-toolbar-menu-item{padding:12px 14px;gap:12px}.ff-toolbar-menu-item-icon{width:32px;height:32px;font-size:18px;border-radius:8px}}@media (prefers-reduced-motion: reduce){.ff-toolbar-trigger,.ff-toolbar-menu,.ff-toolbar-menu-item,.ff-toolbar-menu-item-icon{animation:none!important;transition:none!important}.ff-toolbar-trigger:hover,.ff-toolbar-menu-item:hover{transform:none}.ff-toolbar-comet-dot{animation:none!important}.ff-toolbar-comet-field,.ff-toolbar-comet-orbit,.ff-toolbar-trigger-logo-inner{transition-duration:.01s!important}}.ff-cookie-banner{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom,0px) + var(--ff-admob-banner-height, 0px));left:50%;transform:translate(-50%) translateY(120%);width:calc(100vw - 32px);max-width:640px;background:rgba(var(--ff-chrome-panel),.92);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border:1px solid rgba(var(--ff-toolbar-indigo),.25);border-radius:20px;box-shadow:0 20px 60px rgba(var(--ff-chrome-shadow),.6),0 0 0 1px rgba(var(--ff-toolbar-indigo),.1);color:rgba(var(--ff-chrome-ink),.9);font-family:Noto Sans TC,Inter,system-ui,-apple-system,sans-serif;z-index:9997;opacity:0;pointer-events:none;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s cubic-bezier(.4,0,.2,1)}.ff-cookie-banner.ff-show{transform:translate(-50%) translateY(0);opacity:1;pointer-events:auto}.ff-cookie-banner-content,.ff-cookie-panel-content{padding:24px 28px;display:flex;flex-direction:column;gap:14px}.ff-cookie-title{font-size:18px;font-weight:600;color:rgba(var(--ff-chrome-ink),.95);margin:0;letter-spacing:.3px}.ff-cookie-desc{font-size:14px;line-height:1.6;color:rgba(var(--ff-chrome-ink),.8);margin:0}.ff-cookie-tiers{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:13px;line-height:1.55;color:rgba(var(--ff-chrome-ink),.75)}.ff-cookie-tier strong{color:rgb(var(--ff-chrome-accent-soft));font-weight:600}.ff-cookie-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.ff-cookie-btn{flex:1 1 auto;min-width:120px;padding:11px 18px;font-size:14px;font-weight:500;font-family:inherit;border-radius:12px;border:1px solid rgba(var(--ff-toolbar-indigo),.25);background:rgba(var(--ff-toolbar-indigo),.06);color:rgba(var(--ff-chrome-ink),.9);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.ff-cookie-btn:hover{background:rgba(var(--ff-toolbar-indigo),.18);border-color:rgba(var(--ff-toolbar-indigo),.45);color:rgb(var(--ff-chrome-accent-bright))}.ff-cookie-btn:focus-visible{outline:2px solid rgba(var(--ff-toolbar-indigo),.8);outline-offset:2px}.ff-cookie-btn-accept{background:rgba(var(--ff-toolbar-indigo),.32);border-color:rgba(var(--ff-chrome-accent-soft),.5);color:rgb(var(--ff-chrome-ink-strong))}.ff-cookie-btn-accept:hover{background:rgba(var(--ff-toolbar-indigo),.5);color:rgb(var(--ff-chrome-ink-strong))}.ff-cookie-link{font-size:13px;color:rgb(var(--ff-chrome-accent-soft));text-decoration:underline;text-underline-offset:2px;align-self:flex-start}.ff-cookie-link:hover{color:rgb(var(--ff-chrome-accent-bright))}.ff-cookie-toggles{display:flex;flex-direction:column;gap:12px}.ff-cookie-toggle{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;padding:14px 16px;border-radius:12px;background:rgba(var(--ff-toolbar-indigo),.04);border:1px solid rgba(var(--ff-toolbar-indigo),.12);cursor:pointer}.ff-cookie-toggle-disabled{cursor:not-allowed;opacity:.7}.ff-cookie-toggle input[type=checkbox]{grid-row:1 / span 2;grid-column:1;width:20px;height:20px;accent-color:rgb(var(--ff-toolbar-indigo));cursor:inherit}.ff-cookie-toggle-label{grid-row:1;grid-column:2;font-size:14px;font-weight:600;color:rgba(var(--ff-chrome-ink),.95)}.ff-cookie-toggle-desc{grid-row:2;grid-column:2;font-size:12px;line-height:1.55;color:rgba(var(--ff-chrome-ink),.65);margin-top:2px}.ff-cookie-panel-actions{display:flex;gap:8px;margin-top:4px}.ff-cookie-btn-save{background:rgba(var(--ff-toolbar-indigo),.32);border-color:rgba(var(--ff-chrome-accent-soft),.5);color:rgb(var(--ff-chrome-ink-strong))}.ff-cookie-btn-save:hover{background:rgba(var(--ff-toolbar-indigo),.5)}@media (max-width: 767px){.ff-cookie-banner{bottom:calc(12px + env(safe-area-inset-bottom,0px) + var(--ff-admob-banner-height, 0px));left:12px;right:12px;width:auto;max-width:none;transform:translateY(120%)}.ff-cookie-banner.ff-show{transform:translateY(0)}.ff-cookie-banner-content,.ff-cookie-panel-content{padding:20px 18px;gap:12px}.ff-cookie-title{font-size:16px}.ff-cookie-desc{font-size:13px}.ff-cookie-actions{flex-direction:column}.ff-cookie-btn{flex:1 1 auto;min-width:0;width:100%;padding:12px 16px}}@media (prefers-reduced-motion: reduce){.ff-cookie-banner{transition:none!important}}.ff-ad-slot{display:none;min-height:0}.ff-ad-slot[data-ad-status=filled]{display:block;margin:24px 0;background:transparent}.ff-ad-slot.ff-ad-grid-inline[data-ad-status=filled]{min-height:250px;grid-column:span 1;margin:0}.ff-ad-slot.ff-ad-banner-bottom[data-ad-status=filled]{min-height:90px;width:100%;max-width:728px;margin-left:auto;margin-right:auto}.ff-ad-slot.ff-ad-rect-bottom[data-ad-status=filled]{min-height:250px;width:100%;max-width:300px;margin-left:auto;margin-right:auto}@media (max-width: 767px){.ff-ad-slot.ff-ad-banner-bottom[data-ad-status=filled]{min-height:50px;max-width:320px}}.ff-ad-slot ins.adsbygoogle{display:block;width:100%}:root{--ff-admob-banner-height: 0px}.ff-legal-footer-inline{text-align:center;font-size:12px;color:#787878d9;line-height:1.7;padding:0 12px}.ff-legal-footer-inline a{color:inherit;text-decoration:none;transition:color .2s ease}.ff-legal-footer-inline a:hover{color:rgb(var(--ff-toolbar-indigo));text-decoration:underline}.ff-legal-footer-inline .ff-legal-sep{margin:0 6px;opacity:.55}.ff-legal-footer-inline.ff-legal-footer-app{max-width:var(--ff-content-max, none);margin-inline:auto;padding:16px var(--ff-gutter, 12px) calc(32px + var(--ff-admob-banner-height, 0px) + env(safe-area-inset-bottom,0px))}.ff-site-footer{padding:var(--spacing-xxl) 0 calc(var(--spacing-xl) + var(--ff-admob-banner-height, 0px) + env(safe-area-inset-bottom,0px));border-top:1px solid var(--border-color)}.ff-footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.ff-footer-section h3,.ff-footer-section h4{font-size:1rem;font-weight:500;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.ff-footer-links{list-style:none}.ff-footer-links li{margin-bottom:var(--spacing-xs)}.ff-footer-links a{color:var(--text-secondary);text-decoration:none;font-size:.9375rem;transition:var(--transition)}.ff-footer-links a:hover{color:var(--fire-blue)}.ff-footer-bottom{text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--border-color);color:var(--text-tertiary);font-size:.875rem}.ff-footer-logo{font-size:1.25rem;font-weight:700;margin-bottom:var(--spacing-xs);color:var(--text-primary)}.ff-footer-logo-img{display:block;height:1.75rem;width:auto;max-width:100%}.ff-footer-tagline{font-size:1rem;color:var(--text-primary);font-weight:400;margin-bottom:var(--spacing-xs)}.ff-footer-subtitle{font-size:.875rem;color:var(--text-secondary);font-family:var(--font-family-en, "Inter", sans-serif);font-weight:300}.ff-footer-domain{margin-top:var(--spacing-xs);font-family:var(--font-family-en, "Inter", sans-serif)}@media (max-width: 480px){.ff-legal-footer-inline{font-size:11px}.ff-legal-footer-inline .ff-legal-sep{margin:0 4px}}@media (prefers-reduced-motion: reduce){.ff-legal-footer-inline a{transition:none}}.ff-disclaimer{box-sizing:border-box;width:min(var(--ff-content-max, 100%),calc(100% - 2 * var(--ff-gutter, 0px)));margin:var(--ff-block-gap, 32px) auto;padding:20px var(--ff-gutter, 24px);background:rgba(var(--ff-toolbar-indigo),.05);border-left:4px solid rgba(var(--ff-toolbar-indigo),.6);border-radius:8px;font-size:14px;color:rgba(var(--ff-chrome-ink),.85)}.ff-disclaimer-title{font-size:16px;font-weight:600;margin:0 0 8px;color:rgba(var(--ff-chrome-ink),.95)}.ff-disclaimer-summary{margin:8px 0;line-height:1.6}.ff-disclaimer-details{margin-top:12px}.ff-disclaimer-details>summary{cursor:pointer;font-weight:500;padding:8px 0;color:rgba(var(--ff-chrome-accent-soft),.95);list-style:none}.ff-disclaimer-details>summary::-webkit-details-marker{display:none}.ff-disclaimer-details>summary:before{content:"▸ ";display:inline-block;margin-right:4px;transition:transform .2s ease}.ff-disclaimer-details[open]>summary:before{transform:rotate(90deg)}.ff-disclaimer-details h4{font-size:14px;font-weight:600;margin-top:12px;margin-bottom:4px;color:rgba(var(--ff-chrome-ink),.9)}.ff-disclaimer-details p{margin:4px 0;line-height:1.6}.ff-disclaimer-link{margin-top:16px;font-size:13px;color:rgba(var(--ff-chrome-ink),.7)}.ff-disclaimer-link a{color:rgba(var(--ff-chrome-accent-soft),.95);text-decoration:underline;text-underline-offset:2px;margin-left:4px}@media (max-width: 767px){.ff-disclaimer{padding:16px var(--ff-gutter, 20px);margin:var(--ff-block-gap, 24px) auto;font-size:13px}.ff-disclaimer-title{font-size:15px}}@media (prefers-reduced-motion: reduce){.ff-disclaimer-details>summary:before{transition:none}}.ff-skeleton{display:block;border-radius:6px;background:linear-gradient(100deg,var(--ff-skeleton-base, #e9e3da) 30%,var(--ff-skeleton-shine, #f5f0e8) 50%,var(--ff-skeleton-base, #e9e3da) 70%);background-size:200% 100%;animation:ff-skeleton-shimmer 1.4s ease-in-out infinite}.ff-skeleton--text{height:1em;margin:.35em 0;border-radius:4px}.ff-skeleton--line{height:12px}.ff-skeleton--block{height:96px}.ff-skeleton--circle{border-radius:50%}.ff-spinner{display:inline-block;width:24px;height:24px;border-radius:50%;border:3px solid var(--ff-spinner-track, rgba(0, 0, 0, .12));border-top-color:var(--ff-spinner-color, #B23A1C);animation:ff-spinner-spin .8s linear infinite}@keyframes ff-skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes ff-spinner-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.ff-skeleton{animation:none;background:var(--ff-skeleton-base, #e9e3da)}.ff-spinner{animation-duration:1.6s}}.ff-img{opacity:0;transition:opacity .4s ease}.ff-img.is-loaded{opacity:1}@media (prefers-reduced-motion: reduce){.ff-img{transition:opacity .15s linear}}.sr-only,.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button,[role=button]{touch-action:manipulation}@font-face{font-family:Roboto Mono;src:local("Roboto Mono"),url(/zh-TW/apps/date-calculator/assets/fonts/roboto-mono.CZtBPCCa.woff2) format("woff2");font-weight:500 700;font-display:swap}:root{--dc-blue-50: #EFF5FF;--dc-blue-100: #DBE8FE;--dc-blue-500: #2563EB;--dc-blue-600: #1D4FD7;--dc-blue-700: #1A45BE;--dc-gray-0: #FFFFFF;--dc-gray-50: #F6F8FC;--dc-gray-100: #ECF0F7;--dc-gray-200: #DDE3EC;--dc-gray-400: #9AA6B8;--dc-gray-600: #56627A;--dc-gray-900: #131A29;--dc-green-600: #15803D;--dc-slate-600: #475569;--dc-amber-600: #B45309;--dc-font-sans: system-ui, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;--dc-font-mono: "Roboto Mono", "SF Mono", "Consolas", ui-monospace, monospace;--dc-fs-hero: clamp(3.5rem, 14vw, 7rem);--dc-fs-h1: 1.75rem;--dc-fs-unit: 1.5rem;--dc-fs-lg: 1.125rem;--dc-fs-body: 1rem;--dc-fs-sm: .875rem;--dc-fw-regular: 400;--dc-fw-medium: 500;--dc-fw-bold: 700;--dc-lh-tight: 1.05;--dc-lh-base: 1.5;--dc-sp-1: 4px;--dc-sp-2: 8px;--dc-sp-3: 16px;--dc-sp-4: 24px;--dc-sp-5: 32px;--dc-sp-6: 48px;--dc-r-sm: 8px;--dc-r-md: 14px;--dc-r-pill: 999px;--dc-shadow-sm: 0 1px 2px rgba(19, 26, 41, .06);--dc-shadow-card: 0 8px 28px rgba(37, 99, 235, .1), 0 2px 6px rgba(19, 26, 41, .05);--dc-ease: cubic-bezier(.4, 0, .2, 1);--dc-dur-fast: .14s;--dc-dur-base: .26s;--dc-color-primary: var(--dc-blue-500);--dc-color-primary-hover: var(--dc-blue-600);--dc-color-primary-active: var(--dc-blue-700);--dc-color-focus: var(--dc-blue-500);--dc-color-bg: var(--dc-gray-50);--dc-color-surface: var(--dc-gray-0);--dc-color-border: var(--dc-gray-200);--dc-color-text: var(--dc-gray-900);--dc-color-text-body: var(--dc-gray-600);--dc-color-text-muted: var(--dc-gray-400);--dc-color-numeral: var(--dc-gray-900);--dc-color-accent-up: var(--dc-green-600);--dc-color-accent-down: var(--dc-slate-600);--dc-color-accent-work: var(--dc-amber-600);--dc-input-bg: var(--dc-color-surface);--dc-input-border: var(--dc-color-border);--dc-input-border-focus: var(--dc-color-focus);--dc-input-radius: var(--dc-r-sm);--dc-btn-bg: var(--dc-color-primary);--dc-btn-bg-hover: var(--dc-color-primary-hover);--dc-btn-bg-active: var(--dc-color-primary-active);--dc-btn-text: var(--dc-gray-0);--dc-btn-radius: var(--dc-r-sm);--dc-seg-bg: var(--dc-gray-100);--dc-seg-thumb: var(--dc-color-surface);--dc-seg-text: var(--dc-color-text-body);--dc-seg-text-active: var(--dc-color-primary);--dc-card-bg: var(--dc-color-surface);--dc-card-radius: var(--dc-r-md);--dc-card-shadow: var(--dc-shadow-card);--dc-card-pad: var(--dc-sp-5);--dc-numeral-color: var(--dc-color-numeral);--dc-numeral-underline: var(--dc-color-primary)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--dc-font-sans);background:var(--dc-color-bg);color:var(--dc-color-text);line-height:var(--dc-lh-base);-webkit-font-smoothing:antialiased}.dc-app{max-width:960px;margin:0 auto;padding:var(--dc-sp-4) var(--dc-sp-3) var(--dc-sp-6)}.dc-main{display:flex;flex-direction:column;gap:var(--dc-sp-4)}.dc-layout{display:grid;grid-template-columns:1fr;gap:var(--dc-sp-4);align-items:start}@media (min-width: 1024px){.dc-layout{grid-template-columns:minmax(0,4fr) minmax(0,6fr)}}.dc-mode-seg{display:flex;gap:var(--dc-sp-1);padding:var(--dc-sp-1);background:var(--dc-seg-bg);border-radius:var(--dc-r-pill);overflow-x:auto;scrollbar-width:none}.dc-mode-seg::-webkit-scrollbar{display:none}.dc-mode-seg__item{flex:1 0 auto;min-width:-webkit-max-content;min-width:max-content;padding:var(--dc-sp-2) var(--dc-sp-4);border:none;background:transparent;border-radius:var(--dc-r-pill);font-family:var(--dc-font-sans);font-size:var(--dc-fs-body);font-weight:var(--dc-fw-medium);color:var(--dc-seg-text);cursor:pointer;white-space:nowrap;transition:color var(--dc-dur-fast) var(--dc-ease),background-color var(--dc-dur-fast) var(--dc-ease),box-shadow var(--dc-dur-fast) var(--dc-ease)}.dc-mode-seg__item:hover{background:var(--dc-blue-50)}.dc-mode-seg__item.is-active{background:var(--dc-seg-thumb);box-shadow:var(--dc-shadow-sm);color:var(--dc-seg-text-active);font-weight:var(--dc-fw-bold)}.dc-mode-seg__item:focus-visible{outline:2px solid var(--dc-color-focus);outline-offset:2px}.dc-inputs{display:flex;flex-direction:column;gap:var(--dc-sp-3)}.dc-field{display:flex;flex-direction:column;gap:var(--dc-sp-2)}.dc-app[data-mode=countdown] #dcEndField{display:none}.dc-field__label{font-size:var(--dc-fs-sm);font-weight:var(--dc-fw-medium);color:var(--dc-color-text-body)}.dc-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;box-sizing:border-box;width:100%;min-width:0;max-width:100%;padding:.75rem var(--dc-sp-3);background:var(--dc-input-bg);border:2px solid var(--dc-input-border);border-radius:var(--dc-input-radius);box-shadow:var(--dc-shadow-sm);font-family:var(--dc-font-sans);font-size:var(--dc-fs-body);color:var(--dc-color-text);transition:border-color var(--dc-dur-fast) var(--dc-ease)}.dc-input:hover{border-color:var(--dc-gray-400)}.dc-input:focus-visible{outline:none;border-color:var(--dc-input-border-focus);box-shadow:0 0 0 3px var(--dc-blue-100)}.dc-input[type=date]::-webkit-date-and-time-value{margin:0;text-align:left}.dc-btn-primary{width:100%;padding:.875rem;min-height:44px;background:var(--dc-btn-bg);color:var(--dc-btn-text);border:none;border-radius:var(--dc-btn-radius);font-family:var(--dc-font-sans);font-size:var(--dc-fs-body);font-weight:var(--dc-fw-bold);cursor:pointer;transition:background-color var(--dc-dur-fast) var(--dc-ease)}.dc-btn-primary:hover{background:var(--dc-btn-bg-hover)}.dc-btn-primary:active{background:var(--dc-btn-bg-active)}.dc-btn-primary:focus-visible{outline:2px solid var(--dc-color-focus);outline-offset:2px}.dc-btn-primary:disabled{opacity:.5;cursor:not-allowed}@media (min-width: 1024px){.dc-calc-btn{display:none}}.dc-result-card{position:relative;background:var(--dc-card-bg);border-radius:var(--dc-card-radius);box-shadow:var(--dc-card-shadow);padding:var(--dc-sp-4);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--dc-sp-2);min-height:240px;justify-content:center}@media (min-width: 768px){.dc-result-card{padding:var(--dc-card-pad)}}.dc-result__live{display:flex;flex-direction:column;align-items:center;gap:var(--dc-sp-1)}.dc-numeral{position:relative;font-family:var(--dc-font-mono);font-size:var(--dc-fs-hero);font-weight:var(--dc-fw-bold);line-height:var(--dc-lh-tight);color:var(--dc-numeral-color);font-variant-numeric:tabular-nums;display:inline-block;padding-bottom:var(--dc-sp-2)}.dc-numeral:after{content:"";position:absolute;left:50%;bottom:0;transform:translate(-50%) scaleX(1);transform-origin:center;width:100%;height:4px;border-radius:2px;background:var(--dc-numeral-underline);transition:background-color var(--dc-dur-base) var(--dc-ease)}.dc-numeral[data-empty=true]{color:var(--dc-color-text-muted)}.dc-numeral[data-empty=true]:after{background:transparent}.dc-numeral.is-updated{animation:dc-fade-in var(--dc-dur-base) var(--dc-ease)}.dc-numeral.is-updated:after{animation:dc-underline-grow var(--dc-dur-base) var(--dc-ease)}@keyframes dc-fade-in{0%{opacity:0}to{opacity:1}}@keyframes dc-underline-grow{0%{transform:translate(-50%) scaleX(0)}to{transform:translate(-50%) scaleX(1)}}.dc-unit{font-size:var(--dc-fs-unit);font-weight:var(--dc-fw-medium);color:var(--dc-color-text-body)}.dc-numeral[data-empty=true]+.dc-unit{font-size:var(--dc-fs-lg);color:var(--dc-color-text-muted)}.dc-range{font-size:var(--dc-fs-lg);color:var(--dc-color-text-body);font-variant-numeric:tabular-nums}.dc-breakdown{font-size:var(--dc-fs-sm);color:var(--dc-color-text-muted)}.dc-range:empty,.dc-breakdown:empty{display:none}.dc-result__foot{margin-top:var(--dc-sp-2)}.dc-btn-ghost{padding:var(--dc-sp-2) var(--dc-sp-3);min-height:44px;background:transparent;color:var(--dc-color-primary);border:1px solid var(--dc-color-border);border-radius:var(--dc-btn-radius);font-family:var(--dc-font-sans);font-size:var(--dc-fs-sm);font-weight:var(--dc-fw-medium);cursor:pointer;transition:background-color var(--dc-dur-fast) var(--dc-ease)}.dc-btn-ghost:hover{background:var(--dc-blue-50)}.dc-btn-ghost:focus-visible{outline:2px solid var(--dc-color-focus);outline-offset:2px}.dc-btn-ghost.is-copied{color:var(--dc-color-accent-up);border-color:var(--dc-color-accent-up)}.dc-watermark{position:static;right:var(--dc-sp-3);bottom:var(--dc-sp-2);margin-top:var(--dc-sp-2);font-size:var(--dc-fs-sm);color:var(--dc-color-text-muted);opacity:.5;pointer-events:none}@media (min-width: 768px){.dc-watermark{position:absolute;margin-top:0;opacity:.6}}.dc-faq{margin-top:var(--dc-sp-6);display:flex;flex-direction:column;gap:var(--dc-sp-2)}.dc-faq__item{background:var(--dc-color-surface);border:1px solid var(--dc-color-border);border-radius:var(--dc-r-sm);padding:var(--dc-sp-3)}.dc-faq__item summary{cursor:pointer;font-weight:var(--dc-fw-medium);color:var(--dc-color-text)}.dc-faq__item summary:focus-visible{outline:2px solid var(--dc-color-focus);outline-offset:2px}.dc-faq__item p{margin-top:var(--dc-sp-2);font-size:var(--dc-fs-body);color:var(--dc-color-text-body)}@media (prefers-reduced-motion: reduce){*,.dc-numeral.is-updated,.dc-numeral.is-updated:after{animation:none!important;transition:none!important}}