@font-face{font-family:Borel;src:url(/borel-regular.ttf)format("truetype");font-display:swap}.calculator-fallback{background:var(--surface);border-radius:24px;min-height:720px;padding:24px}.fallback-tabs{color:var(--muted);flex-wrap:wrap;gap:24px;display:flex}.fallback-fields{gap:16px;width:42%;margin-top:52px;display:grid}.fallback-fields div{background:var(--surface-subtle);border-radius:12px;height:46px}.result-card strong>.result-weekday{letter-spacing:0;white-space:nowrap;margin-top:8px;font-size:.5em;font-weight:500;display:block}@media (width>=1100px){.calculator-fallback,.calculator-section .unified-shell{min-height:480px}}:root{color-scheme:light;--ink:#20221f;--muted:#696c65;--paper:#f3efe6;--panel:#fbf8f1;--line:#cec8ba;--orange:#d95d39;--green:#244f46;--soft-green:#dbe5df;--shadow:0 24px 70px #2a282217;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);min-width:320px;margin:0}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}.skip-link{z-index:100;background:var(--ink);color:#fff;padding:.7rem 1rem;position:fixed;top:-4rem;left:1rem}.skip-link:focus{top:1rem}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;max-width:1320px;height:76px;margin:0 auto;padding:0 38px;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-family:Georgia,Times New Roman,serif;font-size:1.02rem;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{border:1.5px solid var(--ink);border-radius:50%;width:30px;height:30px;display:inline-block;position:relative}.brand-mark i{background:var(--ink);transform-origin:50% 11px;width:1px;height:11px;position:absolute;top:4px;left:50%}.brand-mark i:first-child{transform:rotate(25deg)}.brand-mark i:last-child{transform-origin:50% 11px;height:8px;transform:rotate(105deg)}.site-header nav,.site-footer nav{align-items:center;gap:28px;display:flex}.site-header nav a,.site-footer nav a{letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;font-weight:700;text-decoration:none}.site-header nav a:hover,.site-footer nav a:hover{color:var(--orange)}.locale-menu{position:relative}.locale-menu summary{border:1px solid var(--ink);cursor:pointer;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:8px 13px;font-size:.78rem;font-weight:700;list-style:none}.locale-menu summary::-webkit-details-marker{display:none}.locale-menu div{z-index:30;border:1px solid var(--line);background:var(--panel);min-width:148px;box-shadow:var(--shadow);padding:8px;display:grid;position:absolute;top:calc(100% + 9px);right:0}.locale-menu div a{white-space:nowrap;text-transform:none;letter-spacing:0;padding:9px 10px}.hero{max-width:1320px;margin:0 auto;padding:34px 38px 0}.hero-kicker{text-transform:uppercase;letter-spacing:.14em;color:var(--muted);justify-content:space-between;align-items:center;font-size:.7rem;display:flex}.hero-kicker span:before{content:"";background:var(--orange);border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block}.hero-kicker b{font-weight:600}.hero-main{grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);align-items:end;gap:9vw;min-height:430px;padding:72px 4.5vw 62px;display:grid}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--orange);margin:0 0 16px;font-size:.7rem;font-weight:800}.hero h1,.info-page h1{letter-spacing:-.07em;max-width:850px;margin:0;font:500 clamp(3.8rem,7.5vw,7.4rem)/.86 Georgia,Times New Roman,serif}.hero h1 em,.info-page h1 em{color:var(--orange);font-weight:400}.china-hero h1{letter-spacing:-.055em;font-size:clamp(3.4rem,6.2vw,6rem);line-height:.94}.local-hero h1{letter-spacing:-.05em;font-size:clamp(3.1rem,5.8vw,5.8rem);line-height:.98}.tw-hero h1{font-size:clamp(3rem,4.9vw,5rem)}.hero-copy{max-width:390px;padding-bottom:3px}.hero-copy p{color:var(--muted);margin:0 0 38px;font-size:1.04rem;line-height:1.7}.hero-copy a{border-bottom:1px solid var(--ink);text-transform:uppercase;letter-spacing:.1em;justify-content:space-between;padding:14px 0;font-size:.8rem;font-weight:800;text-decoration:none;display:flex}.hero-copy a span{color:var(--orange)}.calculator-section{max-width:1320px;margin:0 auto;padding:48px 38px 96px}.calculator-shell{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}.calendar-context{border-bottom:1px solid var(--line);background:#fffdf7;grid-template-columns:minmax(250px,1fr) minmax(220px,.8fr) auto;align-items:center;gap:28px;min-height:82px;padding:15px 24px;display:grid}.calendar-context label{grid-template-columns:auto minmax(170px,1fr);align-items:center;gap:14px;display:grid}.calendar-context span{color:var(--muted);text-transform:uppercase;letter-spacing:.09em;font-size:.66rem;font-weight:800}.calendar-context select{border:1px solid var(--line);background:var(--panel);width:100%;padding:10px 34px 10px 12px;font-weight:750}.calendar-context>div{gap:5px;display:grid}.calendar-context>div strong{font-size:.76rem}.calendar-context>div small{color:var(--muted);font-size:.68rem}.calendar-context>a{white-space:nowrap;border-bottom:1px solid;padding-bottom:3px;font-size:.72rem;font-weight:800;text-decoration:none}.mode-tabs{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.mode-tabs.four-tabs{grid-template-columns:repeat(4,1fr)}.mode-tabs button{border:0;border-right:1px solid var(--line);cursor:pointer;text-transform:uppercase;letter-spacing:.09em;background:0 0;min-height:64px;padding:12px;font-size:.76rem;font-weight:800}.mode-tabs button:last-child{border-right:0}.mode-tabs button[aria-selected=true]{background:var(--green);color:#fff}.calculator-grid{grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);min-height:445px;display:grid}.input-panel{border-right:1px solid var(--line);flex-direction:column;gap:22px;padding:46px;display:flex}.input-panel label{text-transform:uppercase;letter-spacing:.09em;gap:8px;font-size:.72rem;font-weight:800;display:grid}.input-panel label span{color:var(--muted);text-transform:none;letter-spacing:0;font-weight:500}.input-panel input,.input-panel select,.input-panel textarea{border:1px solid var(--line);text-transform:none;letter-spacing:0;background:#fffdf7;border-radius:0;outline:none;width:100%;padding:13px 14px}.input-panel input:focus,.input-panel select:focus,.input-panel textarea:focus{border-color:var(--orange);box-shadow:0 0 0 2px #d95d391f}.input-panel textarea{resize:vertical}.input-panel .check-row{text-transform:none;letter-spacing:0;flex-direction:row;grid-template-columns:auto 1fr;align-items:center;gap:10px;line-height:1.45;display:flex}.check-row input{width:18px;height:18px;accent-color:var(--green)}.field-pair,.field-triple{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.field-triple{grid-template-columns:1.35fr 1fr 1fr}.field-help{color:var(--muted);margin:-5px 0 0;font-size:.78rem;line-height:1.55}.submode{background:#e8e3d8;align-self:flex-start;padding:3px;display:flex}.submode button{cursor:pointer;background:0 0;border:0;padding:9px 13px;font-size:.72rem;font-weight:700}.annotated-calendar>header strong{text-align:center;font:500 1.55rem Georgia,Times New Roman,serif}.annotated-calendar>header button{border:1px solid var(--line);cursor:pointer;background:0 0;width:42px;height:38px}.annotated-calendar>header button:disabled{opacity:.25;cursor:default}.calendar-weekdays,.calendar-days{grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.calendar-weekdays span{color:var(--muted);text-align:center;text-transform:uppercase;letter-spacing:.06em;padding:0 8px 9px;font-size:.68rem;font-weight:800}.calendar-days{border-top:1px solid var(--line);border-left:1px solid var(--line)}.calendar-days button{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);cursor:pointer;text-align:left;background:0 0;min-height:58px;padding:8px;position:relative}.calendar-days button>span{font-size:.82rem;font-weight:700}.calendar-days button small{color:var(--orange);white-space:nowrap;text-overflow:ellipsis;margin-top:5px;font-size:.62rem;font-weight:800;display:block;overflow:hidden}.calendar-days button.other-month{opacity:.34}.calendar-days button.is-weekend{color:var(--muted);background:#20221f09}.calendar-days button.is-holiday{background:#d95d3917}.calendar-days button.is-adjusted-workday{background:#244f4614}.calendar-days button[aria-pressed=true]{z-index:1;outline:2px solid var(--green);outline-offset:-2px;background:var(--soft-green)}.calendar-days button:focus-visible,.annotated-calendar>header button:focus-visible{z-index:2;outline:2px solid var(--orange);outline-offset:-2px}.annotated-calendar footer{justify-content:space-between;align-items:center;gap:18px;margin-top:17px;display:flex}.annotated-calendar footer p{color:var(--muted);margin:0;font-size:.76rem}.calendar-legend{color:var(--muted);flex-wrap:wrap;gap:12px;font-size:.68rem;display:flex}.calendar-legend span:before{content:"";border:1px solid var(--line);width:8px;height:8px;margin-right:5px;display:inline-block}.calendar-legend .legend-workday:before{background:#fffdf7}.calendar-legend .legend-weekend:before{background:#20221f14}.calendar-legend .legend-holiday:before{background:#d95d392e}.calendar-legend .legend-adjusted:before{background:#244f4629}.result-card{background:var(--soft-green);flex-direction:column;justify-content:center;padding:58px 7vw 46px;display:flex;position:relative;overflow:hidden}.result-card:after{content:"";border:1px solid #244f4624;border-radius:50%;width:320px;height:320px;position:absolute;top:-125px;right:-100px;box-shadow:0 0 0 38px #244f4609,0 0 0 76px #244f4606}.result-card>*{z-index:1;position:relative}.result-eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--green);margin:0 0 20px;font-size:.7rem;font-weight:800}.result-card strong{letter-spacing:-.055em;max-width:680px;font:500 clamp(2.5rem,4.6vw,4.9rem)/.98 Georgia,Times New Roman,serif;display:block}.result-detail{color:#4f625c;margin:20px 0 0;font-size:1rem;line-height:1.5}.result-card ul{color:#4f625c;border-top:1px solid #244f4633;max-width:620px;margin:28px 0 0;padding:19px 0 0;font-size:.79rem;line-height:1.65;list-style:none}.result-card li:before{content:"— "}.result-card.error{background:#f0ddd3;justify-content:flex-start}.result-card.error strong{font-size:clamp(1.8rem,3vw,3.2rem)}.result-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:30px;display:flex}.result-actions button{cursor:pointer;text-transform:uppercase;letter-spacing:.05em;background:0 0;border:1px solid #244f4670;padding:9px 12px;font-size:.69rem;font-weight:800}.result-actions button:hover{background:var(--green);color:#fff}.action-status{min-width:50px;color:var(--green);font-size:.72rem}.calendar-subscribe{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;padding:23px 32px;display:flex}.calendar-subscribe span{font-weight:800}.calendar-subscribe p{color:var(--muted);margin:4px 0 0;font-size:.78rem}.calendar-subscribe a{border-bottom:1px solid;flex:none;padding-bottom:3px;font-size:.75rem;font-weight:800;text-decoration:none}.method-section,.boundary-section{border-top:1px solid var(--line);max-width:1320px;margin:0 auto;padding:110px 7vw}.method-section header{max-width:820px}.method-section h2,.boundary-section h2{letter-spacing:-.055em;margin:0;font:500 clamp(2.6rem,5vw,5.1rem)/1 Georgia,Times New Roman,serif}.method-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:1px;margin-top:68px;display:grid}.method-grid article{background:var(--paper);min-height:270px;padding:34px}.method-grid article>span{color:var(--orange);font:italic 1rem Georgia,serif}.method-grid h3{margin:70px 0 12px;font:500 1.5rem Georgia,serif}.method-grid p,.boundary-section p,.source-note{color:var(--muted);font-size:.9rem;line-height:1.7}.source-note{max-width:860px;margin:30px 0 0}.boundary-section{grid-template-columns:.9fr 1.1fr;gap:12vw;display:grid}.boundary-section>div:last-child{padding-top:20px}.boundary-section a{border-bottom:1px solid;margin-top:25px;padding-bottom:5px;font-weight:700;text-decoration:none;display:inline-block}.boundary-section a span{color:var(--orange)}.site-footer{border-top:1px solid var(--line);grid-template-columns:1fr auto;align-items:end;gap:22px;max-width:1320px;margin:0 auto;padding:52px 38px;display:grid}.footer-brand{font:600 1.15rem Georgia,serif;text-decoration:none}.site-footer p{color:var(--muted);margin:8px 0 0;font-size:.76rem}.site-footer .publisher{grid-column:1/-1;margin-top:12px}.publisher a{color:var(--ink);font-family:Borel,cursive;font-size:1rem;text-decoration:none}.info-page{max-width:1240px;margin:0 auto;padding:110px 7vw 130px}.info-page h1{max-width:950px}.info-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:1px;margin-top:90px;display:grid}.info-grid section{background:var(--paper);padding:34px}.info-grid h2,.prose h2{font:500 1.45rem Georgia,serif}.info-grid p,.prose p{color:var(--muted);line-height:1.75}.info-page.narrow{max-width:920px}.prose{margin-top:70px;font-size:1rem}.prose h2{margin-top:38px}:root{--ink:#1f2420;--muted:#646a65;--paper:#fbfaf7;--panel:#fff;--line:#deded8;--orange:#d85c3a;--green:#174f35;--soft-green:#edf4ef;--shadow:none}body{background:var(--paper)}.site-header{background:#ffffffeb;max-width:none;height:70px;padding-inline:max(28px,50vw - 662px)}.brand{letter-spacing:-.025em;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.08rem}.brand em{font-style:normal;font-weight:700}.brand-mark{object-fit:contain;border:0;border-radius:0;width:34px;height:34px;display:block}.hero{max-width:1380px;padding:34px 28px 12px}.hero-kicker,.hero .eyebrow,.hero-copy a{display:none}.hero-main{grid-template-columns:minmax(260px,.72fr) minmax(340px,1.28fr);align-items:center;gap:9vw;min-height:0;padding:0}.hero h1,.china-hero h1,.local-hero h1,.tw-hero h1{letter-spacing:-.04em;max-width:none;font:720 clamp(1.8rem,3vw,2.65rem)/1.15 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.hero h1 br{display:none}.hero h1 em{color:inherit;font-style:normal;font-weight:inherit}.hero-copy{max-width:650px;padding:0}.hero-copy p{margin:0;font-size:.95rem;line-height:1.6}.calculator-section{max-width:1380px;padding:22px 28px 86px}.calculator-shell{border-radius:8px;overflow:hidden}.calendar-context{background:#fff;grid-template-columns:minmax(330px,1.1fr) minmax(240px,.9fr) auto;min-height:86px}.calendar-context label{grid-template-columns:auto minmax(220px,1fr)}.calendar-context select,.input-panel input,.input-panel select,.input-panel textarea{background:#fff;border-radius:6px}.mode-tabs button{letter-spacing:.03em;text-transform:none;min-height:60px;font-size:.75rem}.calculator-grid{grid-template-columns:1fr;min-height:0}.input-panel{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:18px 24px;padding:30px 32px;display:grid}.input-panel>.check-row,.input-panel>.field-help,.input-panel>.submode{grid-column:1/-1}.input-panel>.field-pair,.input-panel>.field-triple{align-self:end}.input-panel label{letter-spacing:.02em;text-transform:none;font-size:.76rem}.input-panel input,.input-panel select,.input-panel textarea{min-height:48px}.result-card{background:#f7faf8;justify-content:flex-start;min-height:0;padding:34px 38px 30px}.result-card:after{display:none}.result-eyebrow{letter-spacing:.04em;text-transform:none;margin-bottom:12px}.result-card strong{letter-spacing:-.045em;max-width:none;color:var(--green);font:740 clamp(2rem,4vw,3.7rem)/1.08 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.result-detail{margin-top:14px}.result-card ul{max-width:none;margin-top:20px;padding-top:15px}.result-actions{margin-top:22px}.result-actions button{letter-spacing:0;text-transform:none;background:#fff;border-radius:6px}.result-actions .poster-trigger{border-color:var(--green);color:var(--green)}.annotated-calendar>header strong,.method-section h2,.boundary-section h2,.method-grid h3,.info-grid h2,.prose h2{letter-spacing:-.025em;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.method-section,.boundary-section{padding-block:78px}.method-section h2,.boundary-section h2{font-size:clamp(2rem,4vw,3.65rem)}.method-grid{margin-top:46px}.method-grid article{min-height:230px}.method-grid article>span{font-family:inherit;font-style:normal;font-weight:700}.method-grid h3{margin-top:56px}.poster-backdrop{z-index:120;backdrop-filter:blur(2px);background:#14181547;justify-content:flex-end;display:flex;position:fixed;inset:0}.poster-studio{background:#fff;width:min(500px,100%);height:100%;padding:24px 28px;overflow-y:auto;box-shadow:-12px 0 40px #14181521}.poster-studio>header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.poster-studio h2{margin:0;font-size:1.3rem}.poster-close{cursor:pointer;background:#f1f2ef;border:0;border-radius:50%;width:38px;height:38px;font-size:1.35rem}.poster-controls{gap:20px;display:grid}.poster-controls fieldset{border:0;margin:0;padding:0}.poster-controls legend,.poster-preview-label{margin-bottom:10px;font-size:.78rem;font-weight:800}.poster-choice-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.poster-choice-row button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;min-height:42px;padding:8px;font-size:.76rem}.poster-choice-row button[aria-pressed=true]{border-color:var(--green);background:var(--soft-green);color:var(--green);font-weight:800}.poster-preview-label{margin:24px 0 10px}.poster-preview{aspect-ratio:4/5;border:1px solid var(--line);background:#f7f7f4;border-radius:8px;place-items:center;width:min(100%,330px);margin:0 auto;display:grid;position:relative;overflow:hidden}.poster-preview span{z-index:1;background:#fff;border-radius:999px;padding:8px 12px;font-size:.75rem;position:absolute}.poster-preview canvas{object-fit:contain;width:100%;height:100%}.poster-studio>footer{border-top:1px solid var(--line);background:#fff;grid-template-columns:1fr 1fr;gap:10px;margin:22px -28px -24px;padding:18px 28px 24px;display:grid;position:sticky;bottom:-24px}.poster-studio>footer button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;min-height:48px;font-weight:800}.poster-studio>footer .poster-primary{border-color:var(--green);background:var(--green);color:#fff}.poster-loading{z-index:130;background:var(--green);color:#fff;border-radius:6px;padding:12px 16px;position:fixed;bottom:24px;right:24px}@media (width<=820px){.site-header{height:auto;min-height:68px;padding:14px 20px}.site-header nav{gap:14px}.site-header nav>a{display:none}.hero-main{grid-template-columns:1fr;gap:42px;min-height:auto;padding:58px 0 48px}.hero h1,.info-page h1{font-size:clamp(3.25rem,16vw,5rem)}.tw-hero h1{font-size:clamp(2.65rem,12.2vw,3.35rem)}.hero-copy{max-width:none}.hero-copy p{margin-bottom:22px}.calendar-context{grid-template-columns:1fr;gap:13px;padding:18px}.calendar-context label{grid-template-columns:1fr;gap:7px}.calendar-context>a{justify-self:start}.mode-tabs button{min-height:58px;padding:8px 5px;font-size:.62rem;line-height:1.35}.calculator-grid{grid-template-columns:1fr}.input-panel{border-right:0;border-bottom:1px solid var(--line);padding:28px 22px 34px}.result-actions{gap:6px}.result-actions button{padding:9px 8px;font-size:.61rem}.field-triple{grid-template-columns:1.4fr .8fr .8fr}.annotated-calendar{padding:22px 14px 24px}.annotated-calendar>header{margin-bottom:16px}.annotated-calendar>header strong{font-size:1.3rem}.calendar-weekdays span{padding-inline:2px;font-size:.59rem}.calendar-days button{min-height:48px;padding:6px}.calendar-days button small{font-size:.55rem}.annotated-calendar footer{flex-direction:column;align-items:flex-start}.calendar-subscribe{flex-direction:column;align-items:flex-start;padding:22px}.method-section,.boundary-section{padding:78px 20px}.method-grid{grid-template-columns:1fr;margin-top:44px}.method-grid article{min-height:auto}.method-grid h3{margin-top:38px}.boundary-section{grid-template-columns:1fr;gap:25px}.site-footer{grid-template-columns:1fr;align-items:start;padding:42px 20px}.site-footer nav{flex-wrap:wrap;gap:18px}.site-footer .publisher{grid-column:auto}.info-page{padding:80px 20px 100px}.info-grid{grid-template-columns:1fr;margin-top:60px}.site-header{padding-inline:18px}.brand-mark{width:40px;height:28px}.hero{padding:24px 20px 8px}.hero-main{grid-template-columns:1fr;gap:10px;padding:0}.hero h1,.china-hero h1,.local-hero h1,.tw-hero h1{font-size:1.7rem;line-height:1.2}.hero-copy p{font-size:.88rem}.calculator-section{padding:16px 14px 60px}.calendar-context{grid-template-columns:1fr}.input-panel{grid-template-columns:1fr;padding:24px 20px}.result-card{min-height:0;padding:28px 22px}.result-card strong{font-size:clamp(2rem,10vw,3rem)}.poster-backdrop{align-items:flex-end}.poster-studio{border-radius:16px 16px 0 0;width:100%;height:min(88vh,780px);padding-inline:20px}.poster-studio>footer{margin-inline:-20px;padding-inline:20px}}:root{--ink:#17181b;--muted:#6f7178;--paper:#f7f7f9;--panel:#ffffffe6;--line:#1118271b;--orange:#e6503c;--green:#2f61d5;--soft-green:#edf3ff;--shadow:0 28px 80px #1d2d4e17, 0 2px 10px #1d2d4e0a;--glass:#f8f8fab8;--surface:#ffffffd1;--surface-raised:#fffffff0;--surface-subtle:#f8f9fca3;--control:#f9fafcd9;--secondary-ink:#565962;--field-ink:#5d6068;--calendar-ink:#7c7e84;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,PingFang SC,Hiragino Sans,Segoe UI,sans-serif}html{background:#f7f7f9}body{background:radial-gradient(circle at 50% 12%, #547ee114, transparent 34rem), var(--paper);-webkit-font-smoothing:antialiased}.visually-hidden{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.site-header{z-index:50;background:var(--glass);-webkit-backdrop-filter:blur(22px)saturate(180%);border-bottom:0;height:68px;position:sticky;top:0;box-shadow:inset 0 -1px #11182713}.brand{letter-spacing:-.035em;gap:10px;font-size:1.02rem;font-weight:680}.brand em{color:inherit;font-style:normal;font-weight:inherit}.brand-mark{object-fit:contain;width:34px;height:34px}.site-header nav a{color:var(--secondary-ink);letter-spacing:0;text-transform:none;font-size:.74rem}.site-header nav a:hover{color:var(--green)}.locale-menu summary{border-color:var(--line);background:var(--surface);letter-spacing:0;text-transform:none;font-size:.74rem}.locale-menu div{background:var(--surface-raised);backdrop-filter:blur(18px);border:0;border-radius:14px;overflow:hidden;box-shadow:0 16px 45px #19243c26}.theme-switcher{border:1px solid var(--line);background:var(--surface);border-radius:999px;align-items:center;gap:2px;padding:3px;display:flex}.theme-switcher button{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;padding:0;transition:color .14s,background .14s,transform .1s;display:grid}.theme-switcher button:active{transform:scale(.9)}.theme-switcher button[aria-pressed=true]{background:var(--panel);color:var(--green);box-shadow:0 1px 5px #14192321}.theme-switcher svg{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;width:15px;height:15px}.header-network-clock:empty{display:none}.network-clock{position:relative}.network-clock-trigger{border:1px solid var(--line);background:var(--surface);height:36px;color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:6px;padding:0 10px;transition:background .14s,transform .1s;display:flex}.network-clock-trigger:hover,.network-clock-trigger[aria-expanded=true]{background:var(--panel)}.network-clock-trigger:active{transform:scale(.97)}.network-clock-trigger>svg{width:16px;height:16px;color:var(--green)}.network-clock-trigger strong{letter-spacing:-.01em;font-size:.72rem;font-weight:680}.network-clock-trigger span{color:var(--muted);font-size:.58rem;font-weight:600}.network-clock-trigger i{background:#a7abb4;border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #a7abb41f}.network-clock-trigger i.synced{background:#32a264;box-shadow:0 0 0 3px #32a26421}.network-clock-trigger i.unavailable{background:var(--orange);box-shadow:0 0 0 3px #d85c3a1f}.network-clock-popover{z-index:90;border:1px solid var(--line);background:var(--surface-raised);transform-origin:100% 0;-webkit-backdrop-filter:blur(24px)saturate(180%);border-radius:16px;width:min(310px,100vw - 28px);padding:16px;position:absolute;top:calc(100% + 9px);right:0;box-shadow:0 20px 60px #19243c33}.network-clock-popover header{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding-bottom:13px;display:flex}.network-clock-popover header>svg{width:22px;height:22px;color:var(--green)}.network-clock-popover header div{gap:2px;display:grid}.network-clock-popover header small,.network-clock-popover dt{color:var(--muted);font-size:.6rem;font-weight:600}.network-clock-popover header strong{font-variant-numeric:tabular-nums;letter-spacing:-.025em;font-size:1.15rem}.network-clock-popover dl{gap:9px;margin:13px 0 0;display:grid}.network-clock-popover dl div{justify-content:space-between;gap:14px;min-width:0;display:flex}.network-clock-popover dd{text-align:right;text-overflow:ellipsis;white-space:nowrap;min-width:0;margin:0;font-size:.66rem;font-weight:650;overflow:hidden}.network-clock-popover p{color:var(--muted);margin:12px 0 0;font-size:.58rem;line-height:1.45}.hero{padding-top:30px}.hero-main{grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);align-items:end;gap:48px;max-width:none;min-height:0;margin:0;padding:0}.hero h1,.china-hero h1,.local-hero h1,.tw-hero h1{letter-spacing:-.05em;font-size:clamp(2rem,3vw,2.65rem);font-weight:720;line-height:1.04}.hero-copy{max-width:620px}.hero-copy p{color:#696b72;margin:0;font-size:.88rem}.calculator-section{max-width:1380px;padding-top:24px}.calculator-shell{background:var(--surface);box-shadow:var(--shadow);border:0;border-radius:28px;overflow:hidden}.tool-titlebar{justify-content:space-between;align-items:center;gap:24px;padding:18px 24px 10px;display:flex}.tool-titlebar p{color:var(--green);letter-spacing:.02em;margin:0 0 5px;font-size:.68rem;font-weight:700}.tool-titlebar h2{letter-spacing:-.045em;margin:0;font-size:clamp(1.55rem,3vw,2.15rem);line-height:1}.calendar-picker{min-width:0;position:relative}.calendar-picker-trigger{max-width:min(270px,42vw);height:34px;color:var(--secondary-ink);cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:7px;padding:0 8px 0 11px;font-size:.72rem;font-weight:650;transition:background .14s,color .14s;display:flex}.calendar-picker-trigger:hover,.calendar-picker-trigger[aria-expanded=true]{background:var(--control);color:var(--ink)}.calendar-picker-trigger span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.calendar-picker-trigger svg{flex:none;width:13px;height:13px;transition:transform .16s}.calendar-picker-trigger[aria-expanded=true] svg{transform:rotate(180deg)}.calculator-shell:has(.calendar-picker-popover),.calculator-shell:has(.time-zone-popover){overflow:visible}.calendar-picker-popover{z-index:82;border:1px solid var(--line);background:var(--surface-raised);width:min(430px,100vw - 48px);color:var(--ink);transform-origin:100% 0;-webkit-backdrop-filter:blur(24px)saturate(180%);border-radius:16px;padding:9px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 20px 60px #19243c33}.calendar-meta{color:var(--muted);align-items:center;gap:7px;margin:0 24px;padding:5px 0 6px;font-size:.62rem;display:flex}.calendar-meta svg{color:#8d91a0;flex:none}.calendar-meta a{color:var(--green);margin-left:auto;font-weight:680;text-decoration:none}.time-context{border-bottom:1px solid var(--line);background:0 0;padding:5px 24px 8px}.time-zone-controls{justify-content:flex-start;align-items:end;gap:8px;min-width:0;display:flex}.time-zone-controls>svg{display:none}.time-zone-picker{min-width:0;color:var(--muted);font-size:.6rem;font-weight:600;display:block;position:relative}.time-zone-picker>span{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.time-zone-trigger{background:var(--control);width:auto;min-width:150px;max-width:260px;height:34px;color:var(--ink);cursor:pointer;text-align:left;border:0;border-radius:10px;justify-content:space-between;align-items:center;gap:8px;padding:0 9px 0 11px;font-size:.68rem;transition:background .14s;display:flex}.time-zone-trigger:hover,.time-zone-trigger[aria-expanded=true]{background:var(--soft-green)}.time-zone-trigger>span{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:5px;min-width:0;display:flex;overflow:hidden}.time-zone-trigger small{color:var(--muted);font-size:.56rem;font-weight:560}.time-zone-trigger>svg{flex:none;width:13px;height:13px;transition:transform .16s}.time-zone-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}.time-zone-controls>button{min-height:34px;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:9px;padding:0 8px;font-size:.62rem}.time-zone-controls>button:hover,.time-zone-controls>button[aria-pressed=true]{background:var(--soft-green);color:var(--green)}.time-zone-popover{z-index:80;overscroll-behavior:contain;border:1px solid var(--line);background:var(--surface-raised);width:min(470px,100vw - 24px);color:var(--ink);-webkit-backdrop-filter:blur(24px)saturate(180%);border-radius:16px;padding:9px;position:fixed;overflow-y:auto;box-shadow:0 20px 60px #19243c33}.context-picker-search,.time-zone-search{background:var(--control);border:0;border-radius:10px;align-items:center;gap:8px;height:40px;padding:0 12px;display:flex}.context-picker-search>svg,.time-zone-search>svg{width:16px;height:16px;color:var(--muted);flex:none}.context-picker-search input,.time-zone-search input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:.78rem}.time-zone-device{width:100%;min-height:44px;color:var(--green);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:9px;justify-content:space-between;align-items:center;gap:8px;margin-top:6px;padding:7px 10px;font-size:.68rem;font-weight:650;display:flex}.time-zone-device:hover,.time-zone-device[aria-pressed=true]{background:var(--soft-green)}.time-zone-device>span{flex-wrap:wrap;align-items:baseline;gap:3px 10px;display:flex}.time-zone-device small{color:var(--muted);font-size:.6rem;font-weight:500}.time-zone-device svg{flex:none;width:14px;height:14px}.context-picker-cascade,.time-zone-cascade{background:0 0;border:0;border-radius:10px;grid-template-columns:116px minmax(0,1fr);gap:6px;height:280px;margin-top:7px;display:grid;overflow:hidden}.context-picker-cascade{height:236px}.context-picker-cascade.is-searching,.time-zone-cascade.is-searching{grid-template-columns:1fr}.context-picker-cascade nav,.time-zone-cascade nav{background:var(--surface-subtle);border:0;border-radius:10px;padding:5px;overflow-y:auto}.context-picker-cascade nav button,.time-zone-cascade nav button{width:100%;min-height:32px;color:var(--muted);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:7px;align-items:center;padding:0 8px;font-size:.66rem;display:flex}.context-picker-cascade nav button[aria-pressed=true],.time-zone-cascade nav button[aria-pressed=true]{background:var(--soft-green);color:var(--green);font-weight:700}.context-picker-results,.time-zone-results{background:var(--surface);border-radius:10px;padding:5px;overflow-y:auto}.context-picker-results>button,.time-zone-results>button{width:100%;min-height:36px;color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:7px;grid-template-columns:minmax(0,1fr) auto 16px;align-items:center;gap:8px;padding:4px 8px;display:grid}.context-picker-results>button{grid-template-columns:minmax(0,1fr) 16px}.context-picker-results>button:hover,.context-picker-results>button[aria-selected=true],.time-zone-results>button:hover,.time-zone-results>button[aria-selected=true]{background:var(--soft-green)}.context-picker-results strong,.time-zone-results strong{text-overflow:ellipsis;white-space:nowrap;font-size:.72rem;font-weight:680;overflow:hidden}.time-zone-results em{color:var(--muted);font-size:.6rem;font-style:normal;font-weight:600}.context-picker-results svg,.time-zone-results svg{width:14px;height:14px;color:var(--green)}.context-picker-results>p,.time-zone-results>p{color:var(--muted);text-align:center;margin:28px 12px;font-size:.7rem}.annotated-calendar{border-bottom:1px solid var(--line);background:0 0;padding:24px 34px 28px}.annotated-calendar>header{grid-template-columns:42px 1fr 42px;align-items:center;gap:12px;margin-bottom:20px;display:grid}.annotated-calendar>header strong{text-align:center;letter-spacing:-.035em;font-family:inherit;font-size:1.42rem;font-weight:690}.annotated-calendar>header button{border:1px solid var(--line);width:40px;height:40px;color:var(--ink);cursor:pointer;background:#ffffffb8;border-radius:50%;place-items:center;transition:transform .14s,background .14s;display:grid}.annotated-calendar>header button:active{transform:scale(.92)}.annotated-calendar>header button:disabled{opacity:.25}.calendar-weekdays span{color:var(--calendar-ink);letter-spacing:0;text-transform:none;padding-bottom:13px;font-size:.7rem;font-weight:600}.calendar-days{border:0;gap:4px 0}.calendar-days button{text-align:center;background:0 0;border:0;min-height:64px;padding:7px 5px;transition:background .12s,transform .12s}.calendar-days button>span{z-index:2;border-radius:50%;place-items:center;width:34px;height:34px;margin:0 auto;font-size:.84rem;font-weight:590;display:grid;position:relative}.calendar-days button small{z-index:2;color:#8c8e94;margin-top:0;font-size:.54rem;font-weight:600;position:relative}.calendar-days button i{z-index:2;color:var(--green);margin-top:1px;font-size:.52rem;font-style:normal;font-weight:700;display:block;position:relative}.calendar-days button.is-weekend,.calendar-days button.is-holiday,.calendar-days button.is-adjusted-workday{background:0 0}.calendar-days button.is-weekend>span,.calendar-days button.is-holiday>span,.calendar-days button.is-weekend small,.calendar-days button.is-holiday small{color:var(--orange)}.calendar-days button.is-adjusted-workday>span{color:#26835e}.calendar-days button[aria-pressed=true]{background:0 0;outline:0}.calendar-days button[aria-pressed=true]>span{background:var(--green);color:#fff;box-shadow:0 7px 17px #2f61d540}.calendar-days button:focus-visible{z-index:3;outline-offset:-3px;border-radius:14px;outline:3px solid #2f61d545}.annotated-calendar footer{margin-top:18px}.annotated-calendar .calendar-days button i{z-index:2;color:var(--orange);margin-top:1px;font-size:.47rem;font-style:normal;font-weight:700;display:block;position:relative}.calculator-grid{background:var(--surface-subtle);grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);min-height:0;display:grid}.input-panel{border-right:1px solid var(--line);border-bottom:0;grid-template-columns:1fr;align-content:start;gap:18px;padding:28px 32px 30px}.input-panel label{color:var(--field-ink);letter-spacing:0;font-size:.73rem;font-weight:620}.input-panel input,.input-panel select,.input-panel textarea{border:1px solid var(--line);background:var(--surface);border-radius:13px;min-height:50px;font-size:.87rem;transition:border-color .15s,box-shadow .15s,background .15s}.input-panel input:focus,.input-panel select:focus,.input-panel textarea:focus{background:var(--panel);border-color:#2f61d58c;box-shadow:0 0 0 4px #2f61d51a}.input-panel .check-row{border-top:1px solid var(--line);justify-content:space-between;min-height:52px;padding:10px 4px;position:relative}.check-row input{appearance:none;cursor:pointer;background:#d9dbe1;border:0;border-radius:999px;flex:0 0 46px;order:2;width:46px;min-width:46px;height:28px;min-height:28px;max-height:28px;padding:2px;transition:background .18s}.check-row input:after{content:"";background:#fff;border-radius:50%;width:24px;height:24px;transition:transform .22s cubic-bezier(.2,.8,.2,1);display:block;box-shadow:0 2px 5px #14192338}.check-row input:checked{background:var(--green)}.check-row input:checked:after{transform:translate(18px)}.field-pair,.field-triple{gap:12px}.field-help{color:var(--muted)}.submode{background:#e9eaf0;border-radius:11px}.submode button{border-radius:9px}.submode button[aria-pressed=true]{background:#fff;box-shadow:0 2px 8px #14192314}.result-card{background:var(--surface-raised);min-height:100%;padding:30px 34px}.result-eyebrow{color:var(--muted);letter-spacing:0;margin-bottom:12px;font-size:.78rem;font-weight:650}.result-card strong{color:var(--ink);letter-spacing:-.055em;font-family:inherit;font-size:clamp(2.1rem,5vw,3.85rem);font-weight:740;line-height:1.04}.result-detail{color:var(--green);margin-top:14px;font-size:.88rem;font-weight:620}.result-card ul{border-color:var(--line);color:var(--muted);margin-top:20px;padding-top:16px;font-size:.72rem}.result-options{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:20px;display:grid}.result-card .result-options+ul{border-top:0;padding-top:0}.result-toggle,.result-secondary-option{color:#41444c;cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:48px;font-size:.76rem;font-weight:620;display:flex}.result-secondary-option{border-top:1px solid var(--line);min-height:40px;color:var(--muted);justify-content:flex-start;font-size:.68rem;font-weight:500}.result-toggle input{appearance:none;cursor:pointer;background:#d9dbe1;border:0;border-radius:999px;width:44px;height:26px;padding:2px;transition:background .18s}.result-toggle input:after{content:"";background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .22s cubic-bezier(.2,.8,.2,1);display:block;box-shadow:0 2px 5px #14192338}.result-toggle input:checked{background:var(--green)}.result-toggle input:checked:after{transform:translate(18px)}.result-secondary-option input{width:16px;height:16px;accent-color:var(--green)}.result-actions{margin-top:auto;padding-top:24px}.result-actions button{border-color:var(--line);color:#51545b;background:#f8f9fce6;border-radius:10px;min-height:40px;font-size:.68rem;font-weight:640}.result-actions button:hover{background:var(--soft-green);color:var(--green);border-color:#2f61d559}.result-actions button:first-child{border-color:var(--green);background:var(--green);color:#fff}.result-actions .poster-trigger{border-color:var(--line);background:var(--surface);color:var(--ink)}.mode-tabs{border-top:1px solid var(--line);background:var(--surface);border-bottom:0;order:10;grid-template-columns:repeat(4,1fr);display:grid}.mode-tabs button{color:#777a83;letter-spacing:0;text-transform:none;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;min-height:76px;padding:10px 5px;font-size:.67rem;font-weight:590;transition:color .14s,transform .14s;display:flex}.mode-tabs button svg{width:21px;height:21px}.mode-tabs button:active{transform:scale(.95)}.mode-tabs button[aria-selected=true]{color:var(--green);background:0 0}.info-page{max-width:1380px;padding:44px 28px 72px}.info-page h1{letter-spacing:-.035em;max-width:none;font-family:inherit;font-size:clamp(1.8rem,3.4vw,2.8rem);line-height:1.2}.info-page .info-grid{background:0 0;border:0;gap:16px;margin-top:28px}.info-page .info-grid section{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:22px}@media (width<=600px){.info-page{padding:28px 16px 56px}}.help-page{padding-bottom:24px}.help-page+.site-footer{border-top:0;padding-top:24px}.method-section,.boundary-section{border-top-color:var(--line);max-width:1380px;padding:32px 28px}.method-section h2,.boundary-section h2{font-family:inherit}.method-section h2{letter-spacing:-.02em;font-size:1.35rem;font-weight:650}.method-grid{background:0 0;border:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:20px}.method-grid article{border:1px solid var(--line);background:#ffffff85;border-radius:14px;min-height:0;padding:20px}.method-grid h3{margin:0 0 10px;font-size:.9rem;font-weight:650}.method-grid p{margin:0;font-size:.78rem;line-height:1.7}.method-grid article>span{color:var(--green)}@media (width>=1100px){.hero{padding-top:12px;padding-bottom:6px}.hero-main{grid-template-columns:minmax(520px,1fr) minmax(380px,.72fr);align-items:center;gap:42px;min-height:54px}.hero h1,.china-hero h1,.local-hero h1,.tw-hero h1{letter-spacing:-.035em;font-size:clamp(1.45rem,1.7vw,1.95rem);line-height:1.12}.hero-copy p{max-width:580px;font-size:.8rem;line-height:1.45}.hero-copy{text-align:right;justify-self:end}.calculator-section{padding-inline:28px;padding-top:6px;padding-bottom:64px}.unified-shell{grid-template-rows:auto auto auto minmax(0,1fr);grid-template-columns:148px minmax(520px,1.18fr) minmax(420px,.82fr);display:grid}.tool-titlebar{grid-area:1/2/auto/-1;align-items:center;padding:13px 22px 9px}.tool-titlebar h2{letter-spacing:-.04em;font-size:clamp(1.6rem,2vw,2rem)}.calendar-picker-trigger{font-size:.72rem}.calendar-meta{white-space:nowrap;grid-area:2/2/auto/-1;min-width:0;margin-inline:22px;padding:4px 0 8px}.calendar-meta span{text-overflow:ellipsis;overflow:hidden}.time-context{grid-area:3/2/auto/-1;padding:4px 22px 7px}.time-zone-trigger{min-width:170px;height:32px}.time-zone-controls>button{min-height:32px}.mode-tabs{border:0;border-right:1px solid var(--line);background:var(--surface-subtle);flex-direction:column;order:0;grid-area:1/1/5;gap:4px;padding:12px 9px;display:flex}.mode-tabs button{text-align:left;border-radius:12px;flex-direction:row;justify-content:flex-start;gap:10px;min-height:46px;padding:0 11px;font-size:.72rem}.mode-tabs button svg{flex:none}.mode-tabs button[aria-selected=true]{background:var(--soft-green);color:var(--green);box-shadow:inset 0 0 0 1px #2f61d514}.annotated-calendar{border:0;grid-area:4/2;padding:12px 20px 14px}.annotated-calendar>header{grid-template-columns:34px 1fr 34px;margin-bottom:7px}.annotated-calendar>header strong{font-size:1.16rem}.annotated-calendar>header button{width:32px;height:32px}.calendar-weekdays span{padding-bottom:6px;font-size:.64rem}.calendar-days{gap:0}.calendar-days button{min-height:46px;padding-block:3px}.calendar-days button>span{width:29px;height:29px;font-size:.78rem}.calendar-days button small{font-size:.49rem}.calendar-days button i{font-size:.48rem}.difference-grid{grid-area:4/2/auto/-1;grid-template-columns:minmax(390px,.84fr) minmax(460px,1.16fr);align-content:stretch}.calendar-grid{border-left:1px solid var(--line);grid-area:4/3;grid-template-columns:1fr;align-content:start}.difference-grid .input-panel,.calendar-grid .input-panel{border:0;border-bottom:1px solid var(--line);gap:10px 12px;padding:14px 18px}.difference-grid .input-panel{border-right:1px solid var(--line);border-bottom:0;grid-template-columns:repeat(2,minmax(0,1fr))}.difference-grid .input-panel>label:has(textarea){grid-column:1/-1}.difference-grid .input-panel input:not([type=checkbox]),.calendar-grid .input-panel input:not([type=checkbox]),.difference-grid .input-panel select,.calendar-grid .input-panel select{min-height:42px;padding-block:9px;font-size:.78rem}.difference-grid .result-card,.calendar-grid .result-card{min-height:0;padding:18px 20px}.difference-grid .result-card strong,.calendar-grid .result-card strong{font-size:clamp(1.8rem,2.45vw,2.55rem)}.difference-grid .result-detail,.calendar-grid .result-detail{margin-top:9px}.difference-grid .result-card ul,.calendar-grid .result-card ul{margin-top:10px;padding-top:9px}.difference-grid .result-options{grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin-top:11px}.difference-grid .result-toggle,.difference-grid .result-secondary-option{min-height:40px}.difference-grid .result-secondary-option{border-top:0;border-left:1px solid var(--line);padding-left:12px}.difference-grid .result-actions,.calendar-grid .result-actions{padding-top:12px}.result-actions button{min-height:36px;padding:7px 10px}.add-grid,.leave-grid{grid-area:4/2/auto/-1;grid-template-columns:minmax(330px,.8fr) minmax(450px,1.2fr)}.add-grid .input-panel,.leave-grid .input-panel{gap:14px;padding:22px 24px}.add-grid .result-card,.leave-grid .result-card{min-height:330px;padding:24px 28px}.leave-grid .result-card strong{font-size:clamp(2rem,2.7vw,3.15rem)}}:root[data-theme=dark]{color-scheme:dark;--ink:#f2f3f7;--muted:#a3a6b0;--paper:#0d0f13;--panel:#20232a;--line:#ffffff1b;--orange:#ff7664;--green:#7da2ff;--soft-green:#1d2b4d;--shadow:0 30px 90px #0000006b, 0 2px 14px #0000003d;--glass:#111318c2;--surface:#1f2229e0;--surface-raised:#24272ff5;--surface-subtle:#181b21d1;--control:#2a2d36e6;--secondary-ink:#b6b8c1;--field-ink:#c4c6ce;--calendar-ink:#a0a3ad}:root[data-theme=dark] body{background:radial-gradient(circle at 50% 8%, #5377cc26, transparent 34rem), var(--paper)}:root[data-theme=dark] .hero-copy p{color:var(--muted)}:root[data-theme=dark] .annotated-calendar>header button{background:var(--control)}:root[data-theme=dark] .result-card{border-color:var(--line);background:var(--surface-raised)}:root[data-theme=dark] .calendar-days button small{color:#9ea1ab}:root[data-theme=dark] .calendar-days button.is-weekend>span,:root[data-theme=dark] .calendar-days button.is-holiday>span,:root[data-theme=dark] .calendar-days button.is-weekend small,:root[data-theme=dark] .calendar-days button.is-holiday small{color:#ff8a78}:root[data-theme=dark] .calendar-days button.is-adjusted-workday>span{color:#6fd3a2}:root[data-theme=dark] .result-toggle,:root[data-theme=dark] .result-actions button{color:var(--ink)}:root[data-theme=dark] .result-actions button{background:var(--control)}:root[data-theme=dark] .submode{background:#15171c}:root[data-theme=dark] .submode button[aria-pressed=true]{background:#343741}:root[data-theme=dark] .method-grid article{background:var(--surface-subtle)}:root[data-theme=dark] .poster-studio,:root[data-theme=dark] .poster-studio>footer,:root[data-theme=dark] .poster-choice-row button{background:var(--panel)}@media (width<=820px){body{padding-bottom:calc(66px + env(safe-area-inset-bottom));background:var(--paper)}.site-header{min-height:64px;padding:12px 18px}.brand-mark{width:32px;height:32px}.site-header nav{gap:8px}.network-clock-trigger{height:34px;padding-inline:8px}.network-clock-trigger>svg{display:none}.hero{height:0;padding:0;overflow:hidden}.calculator-section{padding:18px 0 32px}.calculator-shell{box-shadow:none;background:var(--panel);border-radius:0}.tool-titlebar{align-items:center;padding:12px 16px 8px}.tool-titlebar p{display:none}.tool-titlebar h2{font-size:1.55rem}.calendar-picker{max-width:56%}.calendar-picker-trigger{max-width:100%;min-height:40px;font-size:.7rem}.calendar-meta{margin-inline:16px;padding-block:3px 6px;font-size:.59rem}.calendar-meta span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.calendar-meta a{white-space:nowrap;flex:none}.time-context{padding:4px 16px 7px}.time-zone-controls{grid-column:1/-1;grid-template-columns:minmax(0,1fr) auto;align-items:end;display:grid}.time-zone-controls>svg{display:none}.time-zone-trigger{min-width:0;min-height:40px}.time-zone-controls:has(.time-zone-picker:nth-of-type(2)){grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto}.context-picker-cascade,.time-zone-cascade{grid-template-columns:104px minmax(0,1fr);height:min(270px,100vh - 210px)}.annotated-calendar{padding:14px 12px 16px}.annotated-calendar>header{margin-bottom:10px;padding-inline:8px}.calendar-weekdays span{padding-bottom:8px}.calendar-days button{min-height:48px;padding:4px 2px}.calendar-days button>span{width:32px;height:32px}.calendar-days button small{font-size:.49rem}.calendar-days button i{display:none}.calculator-grid{grid-template-columns:1fr}.input-panel{border-right:0;border-bottom:1px solid var(--line);gap:12px;padding:16px 16px 14px}.input-panel input,.input-panel select,.input-panel textarea{min-height:44px}.input-panel .check-row{min-height:44px;padding-block:5px}.input-panel .check-row input{min-height:28px}.difference-panel{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}.difference-panel>.check-row,.difference-panel>label:has(textarea){grid-column:1/-1}.result-card{background:#fafbfff0;border:1px solid #fffc;border-radius:24px 24px 0 0;min-height:190px;margin:10px 10px 0;padding:22px 22px 20px;box-shadow:0 -12px 34px #1f305213}.result-card strong{font-size:clamp(2.15rem,11vw,3.2rem)}.result-options{margin-top:14px}.result-card ul{margin-top:13px;padding-top:12px}.result-actions{padding-top:16px}.mode-tabs{z-index:45;padding-bottom:env(safe-area-inset-bottom);background:var(--glass);-webkit-backdrop-filter:blur(20px)saturate(180%);position:fixed;bottom:0;left:0;right:0;box-shadow:0 -1px #11182714}.mode-tabs button{min-height:66px}.method-section,.boundary-section{display:none}}@media (width>=821px) and (width<=1099px){.difference-grid{grid-template-columns:minmax(0,1fr)}.difference-panel{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr))}.difference-panel>label:has(textarea){grid-column:1/-1}}@media (width<=500px){.brand span,.network-clock-trigger span{display:none}.network-clock-popover{position:fixed;top:62px;right:12px}.calendar-picker-popover{top:auto;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));transform-origin:bottom;border-radius:20px;width:auto;max-height:calc(100vh - 110px);position:fixed;left:12px}.time-zone-popover{border-radius:20px}.time-zone-controls:has(.time-zone-picker:nth-of-type(2)){grid-template-columns:1fr 1fr}.time-zone-controls:has(.time-zone-picker:nth-of-type(2))>button{grid-column:1/-1;min-height:30px}}.input-panel,.input-panel label,.field-pair,.field-triple{min-width:0}.input-panel input:not([type=checkbox]),.input-panel select,.input-panel textarea,.context-picker-search input,.time-zone-search input{min-width:0;max-width:100%}.input-panel input[type=date],.input-panel input[type=datetime-local]{-webkit-appearance:none;appearance:none;width:100%;display:block}.input-panel input::-webkit-date-and-time-value{text-align:left;min-width:0}@media (width<=820px),(pointer:coarse){.input-panel input:not([type=checkbox]),.input-panel select,.input-panel textarea,.context-picker-search input,.time-zone-search input{font-size:16px}}@media (prefers-reduced-transparency:reduce){.site-header,.mode-tabs,.calculator-shell{background:var(--panel);-webkit-backdrop-filter:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@media print{@page{margin:16mm}body{background:#fff}.site-header,.site-footer,.hero,.method-section,.boundary-section,.calendar-context,.calendar-meta,.tool-titlebar,.mode-tabs,.input-panel,.annotated-calendar,.calendar-subscribe,.skip-link{display:none!important}.calculator-section{padding:0}.calculator-shell{box-shadow:none;border:0}.calculator-grid{min-height:0;display:block}.result-card{color:#000;background:#fff;min-height:0;padding:10mm 0}.result-card:after,.result-actions{display:none}.result-card strong{font-size:36pt}}