*,:before,:after,::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:#3b82f680;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }.\!container{width:100%!important}.container{width:100%}@media (min-width:640px){.\!container{max-width:640px!important}.container{max-width:640px}}@media (min-width:768px){.\!container{max-width:768px!important}.container{max-width:768px}}@media (min-width:1024px){.\!container{max-width:1024px!important}.container{max-width:1024px}}@media (min-width:1280px){.\!container{max-width:1280px!important}.container{max-width:1280px}}@media (min-width:1536px){.\!container{max-width:1536px!important}.container{max-width:1536px}}.visible{visibility:visible}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.ml-2{margin-left:.5rem}.mr-1{margin-right:.25rem}.mr-2{margin-right:.5rem}.block{display:block}.inline{display:inline}.flex{display:flex}.table{display:table}.grid{display:grid}.hidden{display:none}.h-3{height:.75rem}.h-3\.5{height:.875rem}.h-4{height:1rem}.w-3{width:.75rem}.w-3\.5{width:.875rem}.w-4{width:1rem}.shrink-0{flex-shrink:0}.transform{transform:translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}@keyframes pulse{50%{opacity:.5}}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}.items-center{align-items:center}.gap-1{gap:.25rem}.gap-1\.5{gap:.375rem}.gap-2{gap:.5rem}.font-bold{font-weight:700}.text-amber-500{--tw-text-opacity:1;color:rgb(245 158 11/var(--tw-text-opacity,1))}.text-blue-400{--tw-text-opacity:1;color:rgb(96 165 250/var(--tw-text-opacity,1))}.text-brand-500{--tw-text-opacity:1;color:rgb(255 90 46/var(--tw-text-opacity,1))}.text-emerald-500{--tw-text-opacity:1;color:rgb(16 185 129/var(--tw-text-opacity,1))}.text-slate-400{--tw-text-opacity:1;color:rgb(148 163 184/var(--tw-text-opacity,1))}.text-slate-500{--tw-text-opacity:1;color:rgb(100 116 139/var(--tw-text-opacity,1))}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition-colors{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.transition-transform{transition-property:transform;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#0c1526;--paper:#fff;--soft:#f5f4ef;--soft-2:#ecebe3;--muted:#57606d;--faint:#5d646d;--navy:#0f1f38;--navy-2:#17325c;--orange:#ff5a2e;--orange-text:#d93c14;--mint:#7ee0c3;--sky:#5b87ff;--green:#2fc99e;--line:#0c152621;--line-soft:#ffffff24;--shell:1180px;--gutter:max(6.5vw, calc((100vw - var(--shell)) / 2));--font-geist-sans:Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;--font-geist-mono:"SFMono-Regular", Consolas, "Liberation Mono", "Courier New", monospace;--sans:var(--font-geist-sans);--mono:var(--font-geist-mono)}*{box-sizing:border-box}html{scroll-behavior:smooth;background-color:var(--paper);color:var(--ink)}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:18px;line-height:1.8}a{color:inherit;text-decoration:none}button,input,select{font:inherit;transition:border-color .2s,box-shadow .2s,background-color .2s,transform .15s}main{overflow:clip}.skip-link{top:0;left:var(--gutter);z-index:200;background:var(--navy);color:var(--paper);border-radius:0 0 10px 10px;padding:10px 18px;font-size:15px;font-weight:700;transition:transform .15s;position:fixed;transform:translateY(-120%)}.skip-link:focus{color:var(--paper);outline:3px solid var(--sky);outline-offset:3px;transform:translateY(0)}::selection{background:var(--mint);color:#0c1526}:focus-visible{outline:3px solid var(--sky);outline-offset:3px}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}.site-header{z-index:50;height:76px;padding:0 var(--gutter);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#ffffffeb;align-items:center;gap:34px;display:flex;position:sticky;top:0}.brand{letter-spacing:-.02em;align-items:center;gap:12px;font-size:18px;font-weight:800;display:flex}.brand-mark{background:var(--navy);width:36px;height:36px;color:var(--paper);border-radius:9px;place-items:center;font-size:18px;font-weight:800;transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s,background .3s;display:grid;position:relative}.brand:hover .brand-mark{background:#17325c;transform:rotate(-6deg)scale(1.08);box-shadow:0 8px 22px #0f1f3859}.brand-mark:after{content:"";background:var(--orange);border-radius:50%;width:6px;height:6px;transition:transform .3s;position:absolute;bottom:4px;right:4px;box-shadow:0 0 6px #ff5a2e99}.brand:hover .brand-mark:after{transform:scale(1.4)}.brand em{font:600 12px var(--mono);letter-spacing:.14em;color:var(--faint);margin-top:1px;font-style:normal;display:block}.desktop-nav{gap:30px;font-size:16px;font-weight:600;display:flex}.desktop-nav a{transition:color .2s;position:relative}.desktop-nav a:hover,.desktop-nav a.active{color:var(--orange)}.desktop-nav a.active:after{content:"";background:var(--orange);border-radius:2px;height:2px;position:absolute;bottom:-7px;left:0;right:0}.header-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.theme-toggle-btn{border:1px solid var(--line);background:var(--soft);width:42px;height:42px;color:var(--ink);cursor:pointer;border-radius:9px;place-items:center;font-size:18px;transition:transform .2s,border-color .2s,background-color .2s;display:inline-grid;box-shadow:0 2px 6px #0c15260a}.theme-toggle-btn:hover{border-color:var(--orange);background:#ff5a2e1a;transform:scale(1.08)}.search-link{border:1px solid var(--line);background:var(--soft);width:42px;height:42px;color:var(--ink);border-radius:9px;place-items:center;transition:transform .2s,border-color .2s,background-color .2s;display:inline-grid;box-shadow:0 2px 6px #0c15260a}.search-link:hover{border-color:var(--orange);background:#ff5a2e1a;transform:scale(1.08)}.theme-icon{display:none}.theme-icon-system,:root[data-theme-mode=light] .theme-icon-light{display:block}:root[data-theme-mode=light] .theme-icon-system,:root[data-theme-mode=light] .theme-icon-dark{display:none}:root[data-theme-mode=dark] .theme-icon-dark{display:block}:root[data-theme-mode=dark] .theme-icon-system,:root[data-theme-mode=dark] .theme-icon-light{display:none}:root[data-theme-mode=system] .theme-icon-system{display:block}:root[data-theme-mode=system] .theme-icon-light,:root[data-theme-mode=system] .theme-icon-dark{display:none}.preference-trigger,.header-cta{border:1px solid var(--line);min-height:46px;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border-radius:9px;align-items:center;gap:8px;padding:0 20px;font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s,background-color .2s,border-color .2s,color .2s;display:inline-flex}.preference-trigger:hover,.header-cta:hover{border-color:var(--orange);color:var(--ink);background-color:#ff5a2e0a}.mobile-menu{display:none}.tools-popover{position:relative}.tools-popover summary{border:1px solid var(--line);min-height:46px;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border-radius:9px;align-items:center;gap:8px;padding:0 20px;font-size:15px;font-weight:700;list-style:none;transition:transform .2s,background-color .2s,border-color .2s,color .2s;display:inline-flex}.tools-popover summary::-webkit-details-marker{display:none}.tools-popover summary:hover,.tools-popover[open] summary{border-color:var(--orange);color:var(--ink);background-color:#ff5a2e0a}.tools-popover .tools-caret{color:var(--orange);font-size:12px;transition:transform .2s}.tools-popover[open] .tools-caret{transform:rotate(180deg)}.tools-popover>div{background:var(--paper);border:1px solid var(--line);z-index:60;border-radius:14px;gap:2px;width:292px;padding:10px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 26px 64px #0c152629}.tools-quick-link{color:var(--ink);border-radius:10px;align-items:center;gap:12px;padding:10px 12px;font-size:15px;font-weight:600;transition:background-color .15s,color .15s;display:flex}.tools-quick-link:hover{background:var(--soft);color:var(--orange-text)}.tools-quick-link .tool-code{padding:5px 8px;font-size:12px}.tools-all-link{border-top:1px solid var(--line);color:var(--orange-text);justify-content:space-between;align-items:center;margin-top:8px;padding:12px 12px 6px;font-size:13.5px;font-weight:700;display:flex}.kicker,.section-kicker{font:600 13.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--orange-text);margin:0}.kicker{align-items:center;gap:11px;margin-bottom:24px;display:flex}.kicker:before{content:"";background:var(--orange-text);width:26px;height:1px}.kicker:has(svg):before{display:none}.section-kicker{align-items:center;gap:6px;display:inline-flex}h1{letter-spacing:-.055em;margin:0;font-size:clamp(50px,6vw,88px);font-weight:800;line-height:1.03}h1 em{color:var(--orange);font-style:normal}.lead{color:var(--muted);margin:0;font-size:19px;line-height:1.85}.breadcrumb{color:var(--faint);font:600 13.5px var(--mono);letter-spacing:.08em;margin:0 0 30px}.breadcrumb a{margin:-6px -4px;padding:6px 4px;display:inline-block}.breadcrumb a:hover{color:var(--orange)}.text-link{align-items:center;gap:9px;font-size:16px;font-weight:700;display:inline-flex}.text-link span{color:var(--orange);font-size:18px}.content-page{background:var(--paper);min-height:70vh}.inner-hero{padding:clamp(58px, 8vh, 92px) var(--gutter) 0}.inner-hero h1{max-width:22ch;font-size:clamp(40px,5.2vw,72px)}.inner-hero>.lead,.inner-hero>p:last-child{max-width:640px;margin-top:28px}.inner-hero>.section-kicker{margin-bottom:24px}.compact-hero h1{max-width:18ch}.localized-home .directory-stage,.localized-home .regional-recommendation{content-visibility:auto;contain-intrinsic-size:auto 1000px}.search-stage{padding:34px var(--gutter) 120px;max-width:860px}.search-widget{min-height:60px}.search-widget .pagefind-ui{--pagefind-ui-primary:var(--orange);--pagefind-ui-text:var(--ink);--pagefind-ui-background:var(--paper);--pagefind-ui-border:var(--line);--pagefind-ui-border-radius:10px;--pagefind-ui-image-box-ratio:0;font-family:var(--sans)}.search-widget .pagefind-ui__search-input{border:1px solid var(--line);background:var(--paper);height:54px;color:var(--ink);font-size:16px;font-family:var(--sans);border-radius:10px;padding:0 18px}.search-widget .pagefind-ui__search-input:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px #5b87ff47}.search-widget .pagefind-ui__result-title{color:var(--ink)}.search-widget .pagefind-ui__result-excerpt{color:var(--muted);font-size:15px;line-height:1.7}.search-widget .pagefind-ui__message{color:var(--muted)}:root[data-theme=dark] .search-widget .pagefind-ui{--pagefind-ui-background:#101a29;--pagefind-ui-border:#ffffff1f}:root[data-theme=dark] .search-widget .pagefind-ui__search-input{color:#e8edf5;background:#132034;border-color:#ffffff26}.button,.btn{cursor:pointer;border-radius:10px;justify-content:center;align-items:center;min-height:52px;padding:0 24px;font-size:16px;font-weight:700;transition:transform .2s,box-shadow .2s,background-color .2s,border-color .2s,opacity .2s;display:inline-flex}.button:active,.btn:active{transform:scale(.98)}.button.primary,.btn-primary{color:#fff;background:linear-gradient(135deg,#ff5a2e 0%,#e6451a 100%);box-shadow:0 14px 34px #e6451a47}.button.primary:hover,.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 42px #e6451a61}.button.primary:active,.btn-primary:active{transform:scale(.98);box-shadow:0 8px 20px #e6451a4d}.button.primary span,.btn-primary span{margin-left:16px;font-size:17px}.button.quiet{border:1px solid var(--line);color:var(--ink);background:0 0}.button.quiet:hover{border-color:var(--faint);background:var(--soft)}.button.quiet:active{background:var(--soft-2);transform:scale(.98)}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.hero{padding:clamp(64px, 9vh, 112px) var(--gutter) clamp(74px, 11vh, 130px);grid-template-columns:1.02fr .98fr;align-items:center;gap:clamp(42px,5.2vw,86px);display:grid}.hero h1{max-width:12ch}.hero-intro{max-width:540px;color:var(--muted);margin:30px 0 0;font-size:19px;line-height:1.85}.hero-actions{align-items:center;gap:14px;margin-top:40px;display:flex}.hero-actions .button{min-height:54px;padding:0 26px}.hero-note{color:var(--faint);align-items:center;gap:9px;margin-top:26px;font-size:13.5px;display:flex}.hero-note:before{content:"";background:var(--mint);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #7ee0c359}.hero-note:has(svg):before{display:none}.hero-visual{background:radial-gradient(circle at 85% 15%,#17325c 0%,#0f1f38 75%);border-radius:20px;padding:26px 26px 20px;position:relative;overflow:hidden;box-shadow:0 34px 90px #0c152647}.panel-head{justify-content:space-between;align-items:center;gap:16px;display:flex}.panel-label{font:600 13.5px var(--mono);letter-spacing:.14em;color:#ffffffb8}.live{font:600 13.5px var(--mono);color:var(--mint);white-space:nowrap;align-items:center;gap:8px;display:flex}.live:before{content:"";background:var(--mint);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #7ee0c340}.hero-visual svg{width:100%;height:auto;margin-top:14px;display:block}.chip-row{grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px;display:grid}.city-chip{cursor:pointer;text-transform:none;text-align:left;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:11px;padding:11px 12px;transition:transform .2s,background-color .2s,border-color .2s,box-shadow .2s}.city-chip:hover{background:#ffffff1f;border-color:#ffffff40;transform:translateY(-1px)}.city-chip:active{transform:scale(.97)}.city-chip.active{background:linear-gradient(135deg,#ff5a2e 0%,#e6451a 100%);border-color:#ff7e59;box-shadow:0 8px 24px #ff5a2e61}.city-chip small{font:600 12px var(--mono);letter-spacing:.08em;color:#ffffffbf;display:block}.city-chip b{font:700 22px var(--mono);color:#fff;letter-spacing:-.02em;margin-top:5px;display:block}.city-chip span{font:600 12px var(--mono);color:#ffffffd9}.ad-zone{padding:36px var(--gutter);background:var(--soft)}.ad-zone--white{background:var(--paper);border-top:1px solid var(--line)}.ad-space{width:100%;min-height:92px}.ad-space--sidebar{min-height:250px}.section-heading{justify-content:space-between;align-items:end;gap:42px;margin-bottom:52px;display:flex}.section-heading h2{letter-spacing:-.045em;max-width:17ch;margin:14px 0 0;font-size:clamp(34px,3.8vw,56px);line-height:1.08}.section-heading>p{max-width:400px;color:var(--muted);margin:0;font-size:15px;line-height:1.8}.directory-stage{padding:clamp(80px, 10vh, 118px) var(--gutter) clamp(90px, 12vh, 130px)}.home-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.home-tool-card{background:var(--soft);border:1px solid var(--line);border-radius:16px;flex-direction:column;padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.home-tool-card:hover{transform:translateY(-3px);box-shadow:0 22px 55px #0c152614}.home-tool-card--time{border-top:3px solid var(--sky)}.home-tool-card--conversion{border-top:3px solid var(--orange)}.home-tool-card--communication{border-top:3px solid var(--green)}.tool-code--time{color:var(--navy-2);background:#5b87ff14;border-color:#5b87ff66}.tool-code--conversion{color:var(--orange-text);background:#ff5a2e12;border-color:#ff5a2e59}.tool-code--communication{color:#1c7a5e;background:#2fc99e1a;border-color:#2fc99e6b}.tool-icon-badge{border:1px solid var(--line);width:40px;height:40px;color:var(--ink);background:var(--paper);border-radius:11px;flex-shrink:0;place-items:center;display:inline-grid}.tool-icon-badge--time{color:var(--navy-2);background:#5b87ff1a;border-color:#5b87ff59}.tool-icon-badge--conversion{color:var(--orange-text);background:#ff5a2e12;border-color:#ff5a2e4d}.tool-icon-badge--communication{color:#1c7a5e;background:#2fc99e1a;border-color:#2fc99e66}.tool-icon-badge--navy{color:var(--navy-2);background:#5b87ff12;border-color:#5b87ff4d}.tool-icon-badge--quiet{color:var(--muted);background:var(--paper)}.home-tool-head{align-items:center;gap:12px;display:flex}.home-tool-head .badge-hot{margin-left:auto}.home-tool-card h3{letter-spacing:-.025em;margin:20px 0 8px;font-size:24px}.home-tool-card h3 a{transition:color .2s}.home-tool-card h3 a:hover{color:var(--orange)}.home-tool-desc{color:var(--muted);margin:0;font-size:15px;line-height:1.7}.card-open{color:var(--orange-text);align-items:center;gap:9px;margin-top:auto;padding-top:18px;font-size:15px;font-weight:700;display:inline-flex}.card-open span,.card-open svg{transition:transform .2s}.home-tool-card:hover .card-open span,.home-tool-card:hover .card-open svg{transform:translate(4px)}.mini-stage{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-top:18px;padding:16px}.mini-controls{grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:10px;display:grid}.mini-controls--convert{grid-template-columns:minmax(88px,1fr) minmax(0,1fr) 36px minmax(0,1fr)}.mini-controls--cities{grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr)}.mini-controls--dims{grid-template-columns:repeat(3,minmax(0,1fr))}.mini-field{flex-direction:column;gap:6px;min-width:0;display:flex}.mini-field>span{font:600 12px var(--mono);letter-spacing:.06em;color:var(--faint)}.mini-field input,.mini-field select{border:1px solid var(--line);background:var(--paper);width:100%;min-width:0;height:42px;color:var(--ink);box-sizing:border-box;border-radius:9px;padding:0 12px;font-size:15px;transition:border-color .2s,box-shadow .2s}.mini-field input:focus,.mini-field select:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px #5b87ff29}.mini-tabs{gap:6px;margin-bottom:12px;display:flex}.mini-tabs button{border:1px solid var(--line);color:var(--faint);cursor:pointer;background:0 0;border-radius:8px;flex:1;padding:8px 4px;font-size:13.5px;transition:background-color .2s,color .2s,border-color .2s}.mini-tabs button.active{color:var(--orange-text);background:#ff5a2e1a;border-color:#ff5a2e66;font-weight:700}.mini-controls .swap-btn{width:36px;height:42px;font-size:15px}.mini-result{flex-wrap:wrap;align-items:baseline;gap:26px;margin-top:14px;display:flex}.mini-result span{align-items:baseline;gap:8px;display:inline-flex}.mini-result b{font:700 22px var(--mono);letter-spacing:-.02em;color:var(--ink)}.mini-result small{color:var(--faint);font-size:12px}.mini-hint{color:var(--faint);margin:0;font-size:13.5px;line-height:1.6}.mini-times{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.mini-times>span{background:var(--soft-2);border-radius:10px;flex-direction:column;gap:2px;padding:12px 14px;display:flex}.mini-times b{color:var(--faint);font-size:13.5px;font-weight:600}.mini-times strong{font:700 20px var(--mono);letter-spacing:-.02em}.tool-code{width:max-content;color:var(--orange);font:700 13.5px var(--mono);letter-spacing:.1em;background:#ff5a2e0f;border:1px solid #ff5a2e4d;border-radius:7px;padding:7px 10px}.badge-hot{color:var(--orange-text);background:#ff5a2e1f;border-radius:10px;margin-left:8px;padding:2px 7px;font-size:12px;font-weight:600}.tool-preview{background:var(--soft-2);color:var(--ink);font:600 15px var(--mono);white-space:nowrap;border-radius:9px;justify-self:end;padding:10px 14px}.tool-arrow{color:var(--orange);justify-self:end;font-size:20px;transition:transform .2s}.related-row:hover .tool-arrow{transform:translate(5px)}.checklist,.regional-recommendation{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(84px, 11vh, 124px) var(--gutter);grid-template-columns:1fr 1fr;align-items:end;gap:60px;display:grid}.regional-recommendation h2{letter-spacing:-.045em;max-width:14ch;color:var(--ink);margin:14px 0 0;font-size:clamp(34px,4vw,56px);line-height:1.05}.regional-recommendation>div:last-child{justify-self:end;max-width:440px}.regional-recommendation .desc,.regional-recommendation>div:last-child>p{color:var(--muted);margin:0 0 24px;font-size:15px;line-height:1.85}.guides{padding:clamp(80px, 10vh, 118px) var(--gutter) clamp(100px, 12vh, 140px)}.localized-home .hero{padding-bottom:clamp(36px,5vh,56px)}.home-featured{padding-top:clamp(8px,2vh,24px);padding-bottom:clamp(56px,8vh,88px)}.home-featured .guide-card{min-height:0}.home-featured .guide-card p{-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.guide-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.guide-card{background:var(--soft);border:1px solid var(--line);border-radius:16px;flex-direction:column;min-height:330px;padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.guide-card:hover{border-color:#5b87ff73;transform:translateY(-4px);box-shadow:0 22px 55px #0c152617}.guide-card-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.guide-card-head .guide-tag{align-self:center}.guide-tag{color:var(--navy-2);font:700 13.5px var(--mono);letter-spacing:.1em;background:#5b87ff12;border:1px solid #5b87ff4d;border-radius:7px;align-self:flex-start;padding:6px 10px}.guide-card h3{letter-spacing:-.025em;margin:30px 0 12px;font-size:23px;line-height:1.3}.guide-card p{color:var(--muted);margin:0;font-size:16px;line-height:1.75}.read-meta{border-top:1px solid var(--line);color:var(--faint);font:600 13.5px var(--mono);justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:18px;display:flex}.read-meta a{color:var(--orange);font-weight:700}footer{color:#ffffffd9;padding:72px var(--gutter) 34px;background:linear-gradient(195deg,#142c51 0%,#0d1b31 90%)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:54px;display:grid}.footer-brand .brand-mark{background:var(--orange);color:#fff}.footer-brand .brand-mark:after{background:var(--mint)}.footer-brand em{color:#ffffff80;font-style:normal}footer>p,.footer-tag{color:#fff9;max-width:300px;margin:22px 0 0;font-size:15px;line-height:1.8}.footer-col h4{font:600 13.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#ffffff80;margin:0 0 18px}.footer-links{grid-template-columns:1fr;gap:0;display:grid}.footer-links a{color:#ffffffd1;padding:5px 0;font-size:15px;transition:color .2s;display:block}.footer-links a:hover{color:var(--mint)}footer small,.footer-bottom{border-top:1px solid var(--line-soft);color:#ffffff73;font:500 13.5px var(--mono);justify-content:space-between;gap:20px;margin-top:54px;padding-top:24px;display:flex}footer small{grid-column:1/-1}.tool-page>.ad-zone{margin-top:0}.tool-stage{width:min(980px,87vw);margin:0 auto;padding:46px 0 0}.tool-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:0 22px 60px #0c15260f}.full-tool{padding:30px}.card-topline{justify-content:space-between;align-items:center;gap:16px;display:flex}.status-dot{color:#277560;font:600 13.5px var(--mono);letter-spacing:.08em}.status-dot:before{content:"";background:var(--green);border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block}.tool-card h2{letter-spacing:-.03em;margin:26px 0 10px;font-size:28px}.tool-card>p{color:var(--muted);margin:0;font-size:16px;line-height:1.75}.panel-foot{color:var(--faint);font:500 13.5px var(--mono);justify-content:space-between;gap:16px;margin-top:22px;display:flex}.time-controls{grid-template-columns:minmax(180px,1fr) minmax(180px,1fr);gap:16px;margin:26px 0 22px;display:grid}label.field,.time-controls label,.usage-input-grid label,.dimension-inputs label,.weight-input label,.trip-date-inputs label,.flight-departure label,.jet-lag-fields label{font:600 13.5px var(--mono);letter-spacing:.05em;color:var(--muted);display:block}label.field select,label.field input,.time-controls select,.time-controls input,.usage-input-grid select,.usage-input-grid input,.dimension-inputs select,.dimension-inputs input,.weight-input select,.weight-input input,.trip-date-inputs select,.trip-date-inputs input,.flight-departure select,.flight-departure input,.jet-lag-fields select,.jet-lag-fields input{border:1px solid var(--line);background:var(--paper);width:100%;height:52px;color:var(--ink);font-family:var(--sans);box-sizing:border-box;border-radius:9px;margin-top:9px;padding:0 16px;font-size:17px;transition:border-color .2s,box-shadow .2s;display:block}select:focus,input:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px #5b87ff2e}input[type=date],input[type=datetime-local]{align-items:center;line-height:normal;display:inline-flex;position:relative}input[type=date]::-webkit-datetime-edit{align-items:center;height:100%;display:inline-flex}input[type=datetime-local]::-webkit-datetime-edit{align-items:center;height:100%;display:inline-flex}input[type=date]::-webkit-calendar-picker-indicator{position:absolute;right:12px}input[type=datetime-local]::-webkit-calendar-picker-indicator{position:absolute;right:12px}input[type=date]::-webkit-datetime-edit-fields-wrapper{align-items:center;padding:0;display:inline-flex}input[type=datetime-local]::-webkit-datetime-edit-fields-wrapper{align-items:center;padding:0;display:inline-flex}.city-times{border-top:1px solid var(--line);margin-top:26px}.city-times>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:15px 8px;display:flex}.city-times>div.active{background:#7ee0c329;border-radius:11px;margin:0 -8px;padding-left:16px;padding-right:16px}.city-times span{color:var(--faint);white-space:nowrap;font-size:15px}.city-times span b{width:46px;color:var(--faint);font:700 12px var(--mono);display:inline-block}.city-times>div.active span b{color:var(--orange)}.city-times strong{font:700 18px var(--mono);white-space:nowrap;text-align:right}.tabs{border-bottom:1px solid var(--line);margin:26px 0 20px;display:flex}.tabs button{color:var(--faint);cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;flex:1;padding:12px 4px;font-size:13.5px}.tabs button.active{color:var(--ink);border-color:var(--orange);font-weight:700}.convert-panel{background:linear-gradient(150deg,#1a3560 0%,#0e1e37 100%);border-radius:16px;padding:26px;box-shadow:0 16px 40px #0c152638}.convert-row{grid-template-columns:minmax(90px,1fr) minmax(140px,1.2fr) auto minmax(140px,1.2fr);align-items:end;gap:16px;margin-bottom:22px;display:grid}.convert-row--pair{grid-template-columns:1fr 1fr}.convert-field{flex-direction:column;gap:8px;display:flex}.convert-field label{color:#ffffffbf;font:600 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;flex-direction:column;gap:8px;display:flex}.convert-field label input,.convert-field label select{text-transform:none;letter-spacing:normal;font-family:var(--sans);font-weight:400}.convert-field input,.convert-field select{color:#fff;box-sizing:border-box;background:#ffffff1a;border:1px solid #ffffff38;border-radius:10px;width:100%;height:52px;padding:0 14px;font-size:16px}.convert-field input:focus,.convert-field select:focus{border-color:var(--sky);background:#ffffff29;outline:none;box-shadow:0 0 0 3px #5b87ff47}.convert-field select option{color:var(--ink);background:#fff}.equals{color:var(--orange);text-align:center;font:700 16px var(--mono)}.result{min-height:82px;color:var(--mint);background:#7ee0c30f;border:1px solid #7ee0c359;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;padding:18px 22px;display:flex}.result small{color:#ffffffb8;font-size:13.5px;font-weight:600}.result strong{font:700 32px var(--mono);letter-spacing:-.02em}.formula-note{text-align:center;border-top:1px solid var(--line-soft);color:var(--faint);margin:24px 0 0;padding-top:18px;font-size:13.5px;line-height:1.65}.calculator-section{border:1px solid var(--line);background:var(--soft);border-radius:12px;margin-top:16px;padding:20px 22px}.calculator-section-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.calculator-section-heading h3{letter-spacing:-.02em;margin:0;font-size:18px}.segmented-control{border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:3px;display:flex}.segmented-control button{min-width:54px;color:var(--muted);font:700 13.5px var(--mono);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 12px}.segmented-control button.active{color:#fff;background:var(--navy)}.field-group{flex-direction:column;gap:8px;display:flex}.field-group label{color:var(--faint);font:600 12px var(--mono);letter-spacing:.04em;text-transform:uppercase}.field-group input{border:1px solid var(--line);background:var(--paper);height:50px;color:var(--ink);box-sizing:border-box;border-radius:10px;width:100%;padding:0 14px;font-size:16px}.field-group input:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px #ff5a2e26}.dimension-inputs{grid-template-columns:repeat(3,minmax(80px,1fr));align-items:end;gap:12px;margin-top:16px;display:grid}.dimension-inputs>span{display:none}.weight-input-wrapper{margin-top:16px}.weight-input-wrapper input{border:1px solid var(--line);background:var(--paper);width:100%;max-width:160px;height:52px;color:var(--ink);font-family:var(--sans);box-sizing:border-box;border-radius:9px;padding:0 16px;font-size:17px;transition:border-color .2s,box-shadow .2s;display:block}.weight-input-wrapper input:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px #5b87ff2e}.metric-results{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px;display:grid}.metric-results>div{min-height:100px;color:var(--cream,#fff);background:var(--navy);border-radius:10px;flex-direction:column;justify-content:space-between;padding:18px;display:flex}.metric-results>div:last-child{background:linear-gradient(135deg,#ff5a2e 0%,#e6451a 100%);grid-column:1/-1;box-shadow:0 10px 24px #e6451a40}.metric-results small{color:#ffffffd1;font-size:13.5px;font-weight:600}.metric-results strong{font:700 19px/1.45 var(--mono);overflow-wrap:anywhere;margin-top:14px}.trip-date-inputs{grid-template-columns:minmax(180px,1fr) auto minmax(180px,1fr);align-items:end;gap:14px;margin:28px 0 24px;display:grid}.trip-date-inputs>span{color:var(--orange);text-align:center;padding-bottom:14px;font-size:20px}.swap-btn,.swap-city-btn{border:1px solid var(--line);background:var(--paper);width:44px;height:44px;color:var(--orange-text);font:700 18px var(--mono);cursor:pointer;border-radius:10px;justify-content:center;place-self:end center;align-items:center;margin-bottom:2px;transition:transform .25s cubic-bezier(.34,1.56,.64,1),border-color .2s,background .2s,box-shadow .2s;display:inline-flex}.swap-btn:hover,.swap-city-btn:hover{border-color:var(--orange-text);background:#ff5a2e14;transform:rotate(180deg)scale(1.05);box-shadow:0 4px 12px #ff5a2e26}.swap-btn:active,.swap-city-btn:active{transform:rotate(180deg)scale(.95)}.preset-buttons{flex-wrap:wrap;gap:10px;margin:-6px 0 24px;display:flex}.time-tool .preset-buttons{margin:-10px 0 20px}.luggage-tool .preset-buttons{margin:16px 0 20px}.flight-time-tool .preset-buttons,.jet-lag-tool .preset-buttons{margin:12px 0 16px}.jet-lag-tool .trip-summary>div{grid-template-columns:repeat(3,1fr)}.data-usage-tool .preset-buttons,.foreign-fee-tool .preset-buttons{margin:16px 0 24px}.preset-buttons button{border:1px solid var(--line);background:var(--paper);min-height:42px;color:var(--ink);font:600 15px var(--mono);cursor:pointer;border-radius:9px;padding:0 16px;transition:border-color .2s,background .2s,transform .15s,color .2s,box-shadow .2s;box-shadow:0 1px 3px #0000000a}.preset-buttons button:hover{border-color:var(--orange);color:var(--orange-text);background:#ff5a2e0f;transform:translateY(-1px);box-shadow:0 4px 12px #ff5a2e1f}.preset-buttons button:active{transform:scale(.97)}.preset-buttons button.active{border-color:var(--orange);color:#fff;background:linear-gradient(135deg,#ff5a2e 0%,#e6451a 100%);box-shadow:0 4px 14px #e6451a47}.trip-summary{color:#fff;background:radial-gradient(circle at 15% 85%,#1d3a68 0%,#0f1f38 75%);border-radius:14px;overflow:hidden;box-shadow:0 16px 40px #0c152633}.trip-summary>p{color:#fff;border-bottom:1px solid var(--line-soft);font:700 16px var(--sans);text-align:center;margin:0;padding:14px 20px}.trip-summary>p span{color:var(--orange);margin:0 10px;font-size:18px}.trip-summary>div{grid-template-columns:1fr 1fr;display:grid}.trip-summary section{border-right:1px solid var(--line-soft);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;min-height:100px;padding:18px 22px;display:flex}.trip-summary section:last-child{border-right:0}.trip-summary section small{color:#ffffffd1;width:100%;font:600 15px/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase}.trip-summary section strong{color:var(--mint);font:700 40px var(--mono);margin-top:6px}.trip-summary section span{margin-left:7px;font-size:15px}.trip-summary>.arrival-line,.trip-summary>.arrival-window{color:#ffffffe6;padding:12px 20px;font-size:15px;font-weight:550}.jet-lag-fields{grid-template-columns:minmax(180px,1.4fr) minmax(120px,1fr) minmax(120px,1fr);gap:14px;margin:8px 0 20px;display:grid}.jet-lag-prep{align-items:center}.jet-lag-prep>span{font:600 13.5px var(--mono);letter-spacing:.05em;color:var(--muted);margin-right:6px}.jet-lag-days{flex-direction:column;gap:10px;margin:18px 0 8px;padding:0;list-style:none;display:flex}.jet-lag-days li{border:1px solid var(--line);background:var(--soft);border-radius:12px;grid-template-columns:44px 1fr;align-items:start;gap:12px;padding:12px 14px;display:grid}.jet-lag-day-tag{background:var(--paper);height:32px;color:var(--orange-text);font:700 13px var(--mono);border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.jet-lag-days strong{margin-bottom:4px;font-size:15px;display:block}.jet-lag-days p{margin:0;font-size:16px}.jet-lag-days small{color:var(--muted);margin-top:6px;line-height:1.5;display:block}.trip-summary>.arrival-line:last-child,.trip-summary>.arrival-window:last-child{border-bottom:0}.trip-summary>.trip-stats{grid-template-columns:repeat(2,1fr)}.trip-summary>.trip-stats section.legs-cell{border-right:0;grid-column:1/-1}.legs{flex-direction:column;gap:14px;margin:26px 0 16px;display:flex}.leg-row{border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:16px 16px 12px}.leg-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.leg-label{font:700 13.5px var(--mono);letter-spacing:.06em;color:var(--orange-text);text-transform:uppercase}.leg-actions{flex-wrap:wrap;gap:8px;display:flex}.leg-actions button{border:1px solid var(--line);background:var(--paper);min-height:44px;color:var(--muted);font:600 13.5px var(--sans);cursor:pointer;border-radius:8px;padding:0 12px;transition:border-color .2s,color .2s,background .2s}.leg-actions button:hover{border-color:var(--orange);color:var(--orange-text)}.leg-actions button.active{border-color:var(--orange);color:#fff;background:linear-gradient(135deg,#ff5a2e 0%,#e6451a 100%)}.leg-actions button.leg-remove:hover{color:#a22e19;background:#ff5a2e14;border-color:#a22e19}.leg-fields{margin:0}.leg-result{border-top:1px dashed var(--line);color:var(--muted);font:600 13.5px var(--mono);margin:10px 0 0;padding-top:10px}.leg-row .preset-buttons{margin:10px 0 0}.legs-actions{align-items:center;gap:12px;margin:0 0 20px;display:flex}.add-leg-btn{border:1px dashed var(--orange);min-height:40px;color:var(--orange-text);font:600 15px var(--sans);cursor:pointer;background:0 0;border-radius:10px;padding:0 18px;transition:border-color .2s,background .2s,color .2s}.add-leg-btn:hover:not(:disabled){background:#ff5a2e14}.add-leg-btn:disabled{opacity:.45;cursor:not-allowed}.max-legs-hint{color:var(--faint);font-size:13.5px}.flight-departure{max-width:250px;margin-bottom:22px}.flight-departure small{color:var(--faint);margin-left:6px;font-size:13.5px}.checkbox-field{color:var(--muted);font:600 15px var(--sans);cursor:pointer;align-items:center;gap:10px;margin:0 0 22px;display:flex}.checkbox-field input[type=checkbox]{width:18px;height:18px;accent-color:var(--navy);margin:0}.plug-result{flex-direction:column;align-items:flex-start;gap:6px}.leg-row .usage-input-grid{margin:12px 0}.usage-input-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:30px 0 22px;display:grid}.usage-input-grid label{border:1px solid var(--line);background:var(--soft);border-radius:11px;padding:17px;position:relative}.usage-input-grid label>small{color:var(--faint);pointer-events:none;font-size:12px;position:absolute;bottom:30px;right:20px}.usage-input-grid input{padding-right:55px}.usage-result{color:#fff;background:radial-gradient(circle at 50% -30%,#1e3c6e 0%,#101f38 72%);border-radius:14px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.usage-result>div{border-right:1px solid var(--line-soft);flex-direction:column;justify-content:space-between;min-height:155px;padding:24px;display:flex}.usage-result>div:nth-child(2){border-right:0}.usage-result small{color:#fff9;font-size:13.5px}.usage-result strong{color:var(--mint);font:700 44px var(--mono)}.usage-result strong span{font-size:16px}.usage-result>p{color:#ffffffa6;border-top:1px solid var(--line-soft);grid-column:1/-1;margin:0;padding:15px 24px;font-size:13.5px;line-height:1.6}.result-actions{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;min-height:61px;margin-top:20px;padding-top:16px;display:flex}.result-actions>div{flex-wrap:wrap;gap:8px;display:flex}.result-actions button{border:1px solid var(--navy);color:#fff;background:var(--navy);cursor:pointer;border-radius:8px;min-height:38px;padding:0 14px;font-size:13.5px;font-weight:700;transition:transform .2s,background-color .2s,border-color .2s}.result-actions button:hover{background-color:var(--navy-2);border-color:var(--navy-2);transform:translateY(-1px)}.result-actions button.quiet-action{color:var(--muted);border-color:var(--line);background:0 0}.result-actions button.quiet-action:hover{color:var(--ink);border-color:var(--faint);background-color:var(--soft)}.result-actions>span{color:#277560;min-height:18px;font-size:13.5px}.input-error{color:#a22e19;border-left:3px solid var(--orange);background:#ff5a2e1a;margin:22px 0 0;padding:15px 17px;font-size:13.5px}.tool-card .input-error{font-size:13.5px}.input-hint{color:var(--muted);background:var(--soft);border:1px dashed var(--line);text-align:center;border-radius:12px;margin:24px 0 0;padding:18px 22px;font-size:15px;line-height:1.65}.tool-reading{padding:clamp(84px, 11vh, 124px) var(--gutter) 0}.reading-head{justify-content:space-between;align-items:end;gap:40px;margin-bottom:44px;display:flex}.reading-head h2{letter-spacing:-.045em;max-width:16ch;margin:14px 0 0;font-size:clamp(32px,3.6vw,52px);line-height:1.08}.reading-head>p:last-child{max-width:400px;color:var(--muted);margin:0;font-size:15px;line-height:1.8}.reading-list{border-top:1px solid var(--line)}.reading-row{border-bottom:1px solid var(--line);grid-template-columns:64px 300px 1fr;gap:30px;padding:34px 6px;display:grid}.reading-row .num{font:700 12px var(--mono);color:var(--orange-text);padding-top:4px}.reading-row h3{letter-spacing:-.02em;margin:0;font-size:20px}.reading-row p{max-width:72ch;color:var(--muted);margin:10px 0 0;font-size:15px;line-height:1.8}.reading-list .sources-block{padding:30px 6px 10px}.reading-list .sources-block h3{font-size:16px}.reading-list .sources-block ul{color:var(--muted);margin:14px 0 0;padding-left:20px;font-size:13.5px}.reading-list .sources-block a{color:var(--navy-2);border-bottom:1px solid #17325c4d}.related{padding:clamp(72px, 10vh, 108px) var(--gutter) clamp(90px, 12vh, 132px)}.related h2{letter-spacing:-.045em;margin:14px 0 40px;font-size:clamp(30px,3.4vw,48px)}.related-rows{border-top:1px solid var(--line)}.related-row{border-bottom:1px solid var(--line);grid-template-columns:44px 1fr auto 24px;align-items:center;gap:24px;padding:26px 8px;transition:background .2s,transform .2s;display:grid}.related-row--guide{grid-template-columns:140px 1fr auto 24px}.related-row:hover{background:var(--soft);transform:translate(10px)}.related-row .tool-code{white-space:nowrap;color:var(--navy-2);background:#5b87ff12;border-color:#5b87ff4d;justify-self:start}.related-row h3{letter-spacing:-.015em;margin:0;font-size:18px}.related-row p{color:var(--muted);margin:5px 0 0;font-size:13.5px}.related-row .tool-preview{color:var(--faint);white-space:nowrap;text-align:right;background:0 0;padding:0;font-size:12px}.related-row .tool-arrow{text-align:right;font-size:18px}.article-page{background:var(--paper)}.guide-hero{padding:clamp(58px, 8vh, 92px) var(--gutter) 0}.guide-hero h1{max-width:24ch;font-size:clamp(40px,5.2vw,72px)}.guide-hero .lead{max-width:640px;margin:28px 0 0}.guide-meta{border-top:1px solid var(--line);color:var(--faint);font:600 12px var(--mono);letter-spacing:.06em;flex-wrap:wrap;gap:12px 26px;margin-top:34px;padding-top:20px;display:flex}.guide-meta span b{color:var(--ink);font-weight:600}.guide-layout{padding:clamp(44px, 6vh, 64px) var(--gutter) 0;grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:clamp(48px,6vw,84px);display:grid}.guide-article{min-width:0;max-width:760px}.guide-article section{margin-bottom:58px;scroll-margin-top:110px}.guide-article h2{letter-spacing:-.035em;margin:0 0 18px;font-size:26px}.section-title-row{justify-content:space-between;align-items:center;display:flex}.guide-article .section-anchor{color:var(--orange-text);opacity:.7;border-bottom:0;margin:-2px -7px;padding:2px 7px;font-size:16px;font-weight:400;text-decoration:none;display:inline-block}.guide-article .section-num{min-width:2.4ch;font:700 13.5px var(--mono);letter-spacing:.08em;color:var(--orange-text);opacity:.85;margin-right:14px;display:inline-block}.guide-section--warn{background:var(--soft);border:1px solid #ff5a2e38;border-left:4px solid var(--orange);border-radius:0 14px 14px 0;padding:28px 28px 14px}.guide-section--warn h2{color:var(--ink)}.guide-article p{color:#444b55;margin:0 0 16px;font-size:18px;line-height:1.85}.guide-article ul{margin:0 0 16px;padding-left:22px}.guide-article li{color:#444b55;margin:8px 0;font-size:18px;line-height:1.85}.guide-article a{color:var(--navy-2);border-bottom:1px solid #17325c4d}.table-scroll{-webkit-overflow-scrolling:touch;margin:0 0 18px;overflow-x:auto}.guide-table{border-collapse:collapse;color:#444b55;width:100%;font-size:15px;line-height:1.6}.guide-table caption{text-align:left;color:var(--faint);padding:0 0 10px;font-size:13.5px;line-height:1.5}.guide-table th,.guide-table td{border:1px solid var(--line-soft);text-align:left;vertical-align:top;padding:10px 12px}.guide-table thead th{background:var(--soft);color:var(--ink);font:600 12px var(--mono);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}.guide-table tbody th{color:var(--navy-2);font-weight:600}.guide-table tbody tr:nth-child(2n){background:#5b87ff0b}.guide-table td{min-width:130px}.guide-side{gap:26px;display:grid;position:sticky;top:100px}.toc{border-left:1px solid var(--line);padding-left:22px}.toc h4,.toc b{font:600 13.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:0 0 14px;display:block}.toc a{color:var(--muted);padding:7px 0;font-size:15px;line-height:1.5;transition:color .2s;display:block}.toc a:hover{color:var(--orange)}.more-guides{padding:clamp(72px, 10vh, 110px) var(--gutter) clamp(90px, 12vh, 132px)}.more-guides h2{letter-spacing:-.045em;margin:14px 0 40px;font-size:clamp(30px,3.4vw,48px)}.more-guide-row{border-bottom:1px solid var(--line);grid-template-columns:220px 1fr auto 24px;align-items:center;gap:24px;padding:26px 8px;transition:background .2s,transform .2s;display:grid}.more-guide-row:first-of-type{border-top:1px solid var(--line)}.more-guide-row:hover{background:var(--soft);transform:translate(10px)}.more-guide-row .guide-tag{white-space:nowrap;color:var(--navy-2);background:#5b87ff12;border-color:#5b87ff4d;justify-self:start}.more-guide-row h3{letter-spacing:-.015em;margin:0;font-size:20px}.more-guide-row p{color:var(--muted);margin:5px 0 0;font-size:15px}.more-guide-row .guide-date{color:var(--faint);font:600 13.5px var(--mono);white-space:nowrap;text-align:right}.more-guide-row .tool-arrow{text-align:right;font-size:18px}.affiliate-block{background:var(--soft);border:1px solid var(--line);border-radius:18px;margin:0 0 58px;padding:34px 30px}.affiliate-block>.section-kicker{margin:0}.affiliate-block h2{letter-spacing:-.03em;margin:12px 0 8px;font-size:24px}.affiliate-block .affiliate-disclosure{color:var(--faint);margin:0 0 26px;font-size:13.5px;line-height:1.7}.affiliate-cards{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;display:grid}.affiliate-block a.affiliate-card{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:14px;flex-direction:column;align-items:flex-start;gap:6px;padding:20px;transition:transform .15s,box-shadow .2s,border-color .2s;display:flex}.affiliate-block a.affiliate-card:hover{border-color:#5b87ff73;transform:translateY(-2px);box-shadow:0 10px 24px #0c152614}.affiliate-card .affiliate-category{font:600 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--orange-text)}.affiliate-card h3{letter-spacing:-.01em;margin:0;font-size:17px}.affiliate-block .affiliate-card p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.65}.affiliate-card .tool-arrow{color:var(--navy-2);margin-top:auto;padding-top:10px;font-size:16px}.tool-page>.affiliate-block{margin:0 var(--gutter) 58px}.principles-grid{padding:clamp(64px, 8vh, 92px) var(--gutter) 20px;grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.principles-grid article{background:var(--soft);border-top:3px solid var(--orange);border-radius:0 0 12px 12px;padding:26px}.principles-grid span{color:var(--orange);font:700 12px var(--mono)}.principles-grid h2{letter-spacing:-.025em;margin:24px 0 10px;font-size:21px}.principles-grid p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.8}.principles-grid a,.prose-block a{color:var(--navy-2);border-bottom:1px solid #17325c4d}.principles-grid a.page-inline-link,.prose-block a.page-inline-link{text-underline-offset:4px;border-bottom:none;align-items:center;gap:4px;font-weight:600;text-decoration:underline;display:inline-flex}.principles-grid a.page-inline-link svg,.prose-block a.page-inline-link svg{flex-shrink:0;width:14px;height:14px}.principles-grid a.page-inline-link--mail,.prose-block a.page-inline-link--mail{color:var(--orange)}.principles-grid a.page-inline-link--mail:hover,.prose-block a.page-inline-link--mail:hover{color:var(--orange-text)}.principles-grid a.page-inline-link--ext,.prose-block a.page-inline-link--ext{color:var(--sky)}.principles-grid a.page-inline-link--ext:hover,.prose-block a.page-inline-link--ext:hover{color:#3d6ae6}.prose-block{width:min(760px,88vw);margin:0 auto;padding:70px 0 120px}.prose-block h2{letter-spacing:-.03em;margin:52px 0 18px;font-size:23px}.prose-block h2:first-child{margin-top:0}.prose-block p{color:#444b55;font-size:16px;line-height:1.85}.not-found-main{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:62vh;padding:110px 20px 90px;display:flex}.not-found-main h1{letter-spacing:-.04em;color:var(--orange);margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(110px,22vw,200px);font-style:italic;font-weight:400;line-height:1}.not-found-main .section-kicker{margin:0 0 20px}.not-found-lead{max-width:460px;color:var(--muted);margin:28px 0 0;font-size:17px;line-height:1.8}.not-found-actions{flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px;display:flex}.preference-suggestion{z-index:90;color:#ffffffe6;background:var(--navy);border:1px solid var(--line-soft);border-radius:14px;justify-content:space-between;align-items:center;gap:22px;width:min(760px,100vw - 32px);padding:15px 20px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 18px 48px #0c152659}.preference-suggestion p{align-items:center;gap:14px;margin:0;font-size:13.5px;line-height:1.55;display:flex}.preference-suggestion p b{color:var(--mint);white-space:nowrap}.preference-suggestion p span{color:#ffffffb8}.preference-suggestion>div{flex-shrink:0;gap:8px;display:flex}.preference-suggestion button{border:1px solid var(--mint);color:#0c1526;background:var(--mint);cursor:pointer;border-radius:8px;min-height:36px;padding:0 13px;font-size:12px;font-weight:700}.preference-suggestion button.suggestion-quiet{color:#ffffffe6;background:0 0;border-color:#ffffff40}.settings-backdrop{z-index:100;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#0c1526a3;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.preference-panel{background:var(--paper);border-radius:16px;width:min(690px,100%);max-height:min(820px,92vh);padding:31px;overflow-y:auto;box-shadow:0 30px 100px #0000004d}.preference-panel-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:22px;display:flex}.preference-panel-heading h2{letter-spacing:-.035em;margin:9px 0 0;font-size:28px}.preference-panel-heading>button{border:1px solid var(--line);width:39px;height:39px;color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;font-size:24px;line-height:1}.preference-intro{color:var(--muted);margin:21px 0;font-size:13.5px;line-height:1.75}.preference-form{grid-template-columns:1fr 1fr;gap:15px;display:grid}.preference-form label{border:1px solid var(--line);background:var(--soft);font:600 12px var(--mono);letter-spacing:.04em;color:var(--muted);border-radius:11px;padding:16px}.preference-form label:first-child{grid-column:1/-1}.preference-form select{border:1px solid var(--line);background:var(--paper);width:100%;height:45px;color:var(--ink);font-family:var(--sans);border-radius:8px;margin-top:9px;padding:0 12px;font-size:13.5px;display:block}.preference-form select:disabled{color:var(--faint);background:var(--soft)}.preference-form label>small{color:var(--faint);font:500 12px/1.55 var(--sans);letter-spacing:0;margin-top:9px;display:block}.preference-panel-actions{justify-content:flex-end;gap:9px;margin-top:23px;display:flex}.preference-panel-actions .button{cursor:pointer}.reset-notice{color:var(--mint);margin:12px 0 0;font-size:13.5px;font-weight:600}.reset-notice:empty{margin:0}.preference-storage-note{color:var(--faint);text-align:right;margin-top:18px;font-size:12px;display:block}@media (max-width:980px){.desktop-nav{display:none}.hero{grid-template-columns:1fr;gap:46px}.hero-visual{max-width:640px}.home-tool-grid{grid-template-columns:1fr}.tool-preview{display:none}.checklist,.regional-recommendation{grid-template-columns:1fr;gap:36px}.regional-recommendation>div:last-child{justify-self:start}.guide-grid,.principles-grid,.guide-layout{grid-template-columns:1fr}.guide-side{grid-template-columns:1fr;position:static}.reading-row{grid-template-columns:64px 1fr}.reading-row p{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.dimension-inputs{grid-template-columns:1fr;gap:10px}.dimension-inputs>span{display:none}}@media (max-width:700px){select,input{font-size:16px!important}.site-header{gap:8px;height:68px;padding:0 20px}.brand{flex-shrink:1.5;min-width:0}.brand>span:not(.brand-mark){white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.preference-trigger{display:none}.header-actions{gap:8px;margin-left:auto}.theme-toggle-btn{border-radius:9px;place-items:center;width:38px;height:38px;font-size:16px;display:inline-grid}.header-cta{min-height:42px;padding:0 15px;font-size:13.5px}.mobile-menu{display:block;position:relative}.mobile-menu summary{cursor:pointer;border:1px solid var(--line);border-radius:9px;align-items:center;gap:6px;padding:10px 13px;font-size:13.5px;font-weight:700;list-style:none;display:inline-flex}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu>div{background:var(--paper);border:1px solid var(--line);border-radius:12px;width:200px;padding:10px;position:absolute;top:50px;right:0;box-shadow:0 20px 45px #0c152629}.mobile-menu a,.mobile-menu button{text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;width:100%;padding:11px;font-size:13.5px;display:flex}.hero{gap:38px;padding:54px 20px 64px}h1{font-size:clamp(42px,12vw,54px)}.hero-intro{font-size:15px}.hero-actions{flex-direction:column;align-items:stretch}.hero-visual{border-radius:16px;padding:20px 18px 16px}.chip-row{grid-template-columns:1fr 1fr}.ad-zone{padding:26px 20px}.ad-space{min-height:70px}.directory-stage,.guides{padding:70px 20px}.home-featured{padding:4px 20px 48px}.section-heading{flex-direction:column;align-items:start;gap:20px;margin-bottom:38px}.home-tool-card{padding:22px}.mini-controls--convert{grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr)}.mini-controls--convert .mini-field:first-child{grid-column:1/-1}.mini-controls--dims{grid-template-columns:1fr}.checklist,.regional-recommendation{padding:74px 20px}.guide-card{min-height:0}footer{padding:56px 20px 26px}.footer-grid{grid-template-columns:1fr;gap:36px}.footer-bottom,footer small{flex-direction:column}.inner-hero,.guide-hero{padding:52px 20px 0}.inner-hero h1,.guide-hero h1{font-size:42px}.tool-stage{width:auto;margin:0 20px;padding-top:34px}.full-tool{border-radius:13px;padding:20px 16px}.convert-row{grid-template-columns:1fr;gap:12px}.convert-row .swap-btn{justify-self:center;margin:4px 0;transform:rotate(90deg)}.convert-row .swap-btn:hover{transform:rotate(270deg)scale(1.05)}.panel-foot{flex-direction:column;gap:6px}.time-controls{grid-template-columns:1fr}.city-times span b{width:42px}.city-times strong{font-size:16px}.trip-date-inputs{grid-template-columns:1fr}.trip-date-inputs>span{display:none}.jet-lag-fields,.jet-lag-tool .trip-summary>div,.trip-summary>div{grid-template-columns:1fr}.trip-summary section{border-right:0;border-bottom:1px solid var(--line-soft);min-height:135px}.trip-summary section:last-child{border-bottom:0}.leg-head{flex-direction:column;align-items:flex-start}.leg-fields,.usage-input-grid,.usage-result{grid-template-columns:1fr}.usage-result>div{border-right:0;border-bottom:1px solid var(--line-soft);min-height:130px}.usage-result>p{grid-column:auto}.result-actions{flex-direction:column;align-items:flex-start}.tool-reading,.related,.more-guides{padding:64px 20px}.reading-head{flex-direction:column;align-items:start;gap:20px;margin-bottom:34px}.reading-row{grid-template-columns:1fr;gap:8px;padding:28px 4px}.reading-row p{grid-column:auto}.guide-layout{padding:34px 20px 0}.guide-article section{margin-bottom:44px}.guide-article h2{font-size:24px}.guide-side{padding-top:10px}.ad-space--sidebar{min-height:220px}.more-guide-row,.related-row{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.principles-grid{padding:55px 20px 20px}.prose-block{padding:55px 0 80px}.preference-suggestion{flex-direction:column;align-items:stretch;padding:15px 20px}.preference-suggestion p{flex-direction:column;align-items:flex-start;gap:4px}.preference-suggestion>div{width:100%}.preference-suggestion button{flex:1}.settings-backdrop{align-items:end;padding:10px}.preference-panel{border-radius:14px 14px 6px 6px;max-height:92vh;padding:22px}.preference-form{grid-template-columns:1fr}.preference-form label:first-child{grid-column:auto}.preference-panel-actions{flex-direction:column-reverse;align-items:stretch}.not-found-main{padding:80px 20px 70px}.not-found-lead{font-size:13.5px}.not-found-actions{flex-direction:column;align-items:stretch}}.footer-bottom{border-top:1px solid #ffffff1a;justify-content:space-between;align-items:center;gap:16px;margin-top:48px;padding-top:24px;display:flex}.back-to-top{color:#fff;font:600 13.5px var(--mono);cursor:pointer;background:#ffffff0f;border:1px solid #fff3;border-radius:20px;align-items:center;gap:6px;padding:6px 14px;transition:background .2s,border-color .2s,transform .15s;display:inline-flex}.back-to-top:hover{background:#ffffff26;border-color:#fff6;transform:translateY(-2px)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card,.related-row,.more-guide-row,.back-to-top,.swap-btn,.swap-city-btn{transition:none}.animate-pulse{animation:none}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#e8edf5;--paper:#090f1a;--soft:#111b2c;--soft-2:#19273c;--muted:#94a3b8;--faint:#75879c;--navy:#152238;--navy-2:#1e3252;--line:#ffffff1f;--line-soft:#ffffff14}:root[data-theme=dark] .site-header{background:#090f1ae6}:root[data-theme=dark] .preference-panel{background:#0f1a2a;border-color:#ffffff26}:root[data-theme=dark] .preference-form select,:root[data-theme=dark] .preference-form input{color:#e8edf5;background:#142135;border-color:#ffffff24}:root[data-theme=dark] .tool-card,:root[data-theme=dark] .home-tool-card{background:#101a29;border-color:#ffffff1a}:root[data-theme=dark] .mini-stage{background:#0c1524;border-color:#ffffff1a}:root[data-theme=dark] .mini-field input,:root[data-theme=dark] .mini-field select{color:#e8edf5;background:#132034;border-color:#ffffff26}:root[data-theme=dark] .kicker,:root[data-theme=dark] .section-kicker{color:var(--orange)}:root[data-theme=dark] .kicker:before{background:var(--orange)}:root[data-theme=dark] .reading-row .num{color:var(--orange)}:root[data-theme=dark] .mini-times>span{background:#ffffff0f}:root[data-theme=dark] .mini-tabs button{border-color:#ffffff1f}:root[data-theme=dark] .mini-tabs button.active{background:#ff5a2e29;border-color:#ff5a2e80}:root[data-theme=dark] .tool-code--time{color:#8fb4ff;background:#5b87ff24;border-color:#8ba8ff66}:root[data-theme=dark] .tool-code--communication{color:#6ee0bd;background:#2fc99e1f;border-color:#6ee0bd66}:root[data-theme=dark] .tool-icon-badge--time,:root[data-theme=dark] .tool-icon-badge--navy{color:#8fb4ff;background:#5b87ff24;border-color:#8ba8ff66}:root[data-theme=dark] .tool-icon-badge--conversion{color:#ffa58c;background:#ff5a2e1f;border-color:#ff5a2e66}:root[data-theme=dark] .tool-icon-badge--communication{color:#6ee0bd;background:#2fc99e1f;border-color:#6ee0bd66}:root[data-theme=dark] .tool-icon-badge--quiet{color:var(--muted);background:#ffffff0a;border-color:#ffffff1f}:root[data-theme=dark] .guide-section--warn{background:#ff5a2e12;border-color:#ff5a2e52}:root[data-theme=dark] .preset-buttons button{color:var(--muted);background:#142033;border-color:#ffffff1a}:root[data-theme=dark] .preset-buttons button.active{background:var(--orange);color:#fff;border-color:var(--orange)}:root[data-theme=dark] input,:root[data-theme=dark] select{color:#e8edf5;background:#132034;border-color:#ffffff26}:root[data-theme=dark] .preference-trigger,:root[data-theme=dark] .header-cta,:root[data-theme=dark] .theme-toggle-btn,:root[data-theme=dark] .search-link{color:var(--muted);background:#ffffff0a}:root[data-theme=dark] .brand-mark{background:var(--navy-2);color:#fff}:root[data-theme=dark] .guide-article p,:root[data-theme=dark] .guide-article li,:root[data-theme=dark] .prose-block p{color:var(--muted)}:root[data-theme=dark] .guide-tag,:root[data-theme=dark] .related-row .tool-code,:root[data-theme=dark] .more-guide-row .guide-tag{color:#8fb4ff;background:#5b87ff1f;border-color:#8ba8ff59}:root[data-theme=dark] .guide-article a,:root[data-theme=dark] .principles-grid a,:root[data-theme=dark] .prose-block a,:root[data-theme=dark] .reading-list .sources-block a{color:#8fb4ff;border-bottom-color:#8fb4ff59}:root[data-theme=dark] .principles-grid a.page-inline-link--mail,:root[data-theme=dark] .prose-block a.page-inline-link--mail{color:var(--orange)}:root[data-theme=dark] .principles-grid a.page-inline-link--mail:hover,:root[data-theme=dark] .prose-block a.page-inline-link--mail:hover{color:#ffb3a1}:root[data-theme=dark] .principles-grid a.page-inline-link--ext,:root[data-theme=dark] .prose-block a.page-inline-link--ext{color:#8fb4ff}:root[data-theme=dark] .principles-grid a.page-inline-link--ext:hover,:root[data-theme=dark] .prose-block a.page-inline-link--ext:hover{color:#b7ceff}:root[data-theme=dark] .guide-table,:root[data-theme=dark] .guide-table th,:root[data-theme=dark] .guide-table td{color:var(--muted);border-color:#ffffff1f}:root[data-theme=dark] .guide-table thead th{color:var(--ink);background:#ffffff0f}:root[data-theme=dark] .guide-table tbody th{color:#8fb4ff}:root[data-theme=dark] .guide-table tbody tr:nth-child(2n){background:#ffffff08}:root[data-theme=dark] .input-error{color:#ffb3a1}:root[data-theme=dark] .status-dot,:root[data-theme=dark] .result-actions>span{color:#6ee0bd}:root[data-theme=dark] .affiliate-block a.affiliate-card{color:var(--ink);background:#101a29;border-color:#ffffff1a}:root[data-theme=dark] .affiliate-card .tool-arrow{color:#8fb4ff}@media print{.site-header,footer,.ad-zone,.ad-space,.header-actions,.mobile-menu,.result-actions,.preference-suggestion,.back-to-top{display:none!important}body{color:#111!important;background:#fff!important;font-size:13pt!important}.tool-card,.guide-card,article,.guide-article{page-break-inside:avoid;box-shadow:none!important;color:#111!important;background:#fff!important;border:1px solid #ddd!important}}html:lang(zh) h1,html:lang(zh) h2,html:lang(zh) h3{letter-spacing:0}html:lang(zh) .hero h1,html:lang(zh) .inner-hero h1,html:lang(zh) .guide-hero h1{font-size:clamp(42px,5.2vw,74px);line-height:1.22}html:lang(zh) .section-heading h2,html:lang(zh) .regional-recommendation h2,html:lang(zh) .reading-head h2,html:lang(zh) .related h2,html:lang(zh) .more-guides h2{line-height:1.22}html:lang(zh) .hero h1{max-width:11ch}html:lang(zh) .desktop-nav a{letter-spacing:.02em;font-weight:400}html:lang(zh) .desktop-nav{font-size:17px}html:lang(zh) .mobile-menu a,html:lang(zh) .mobile-menu button{font-size:15px}html:lang(zh) .preference-trigger,html:lang(zh) .header-cta{font-size:16px}html:lang(zh) .guide-meta{letter-spacing:.02em;font-size:13.5px}html:lang(zh) .lead,html:lang(zh) .hero-intro,html:lang(zh) .home-tool-desc,html:lang(zh) .guide-card p,html:lang(zh) .related-row p,html:lang(zh) .more-guide-row p,html:lang(zh) .reading-row p,html:lang(zh) .regional-recommendation .desc,html:lang(zh) .regional-recommendation>div:last-child>p{line-height:1.95}html:lang(zh) .guide-article p,html:lang(zh) .guide-article li{line-height:2.12}html:lang(zh) .tools-popover summary{font-size:16px}.group:hover .group-hover\:translate-x-1{--tw-translate-x:.25rem;transform:translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.group:hover .group-hover\:text-brand-500{--tw-text-opacity:1;color:rgb(255 90 46/var(--tw-text-opacity,1))}@media (prefers-reduced-motion:reduce){.motion-reduce\:animate-none{animation:none}}
