/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.static{position:static}.start{inset-inline-start:var(--spacing)}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f6f8fa;--ink:#1d2d3d;--accent:#245c7c;--contact:#f1f5f8;--white:#fff;--text-muted:#536576;--border:#dce4eb;--shell:1040px;--gutter:clamp(1.5rem, 6vw, 4rem);--section-space:clamp(3rem, 6vw, 4.5rem)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--white);color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;line-height:1.7}.site-language-cn{font-family:PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,sans-serif}a{color:inherit;text-decoration:none}p,h1,h2,h3{margin-top:0}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}:is(a:focus-visible,button:focus-visible){outline:2px solid var(--accent);outline-offset:5px}section{scroll-margin-top:2rem}.page-shell{width:min(calc(100% - (2 * var(--gutter))), var(--shell));margin-inline:auto}.skip-link{z-index:100;background:var(--ink);color:var(--white);border-radius:.25rem;padding:.75rem 1rem;position:fixed;top:.75rem;left:.75rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{justify-content:space-between;align-items:center;gap:1.5rem;min-height:84px;display:flex}.brand,.section-nav a,.language-switch a,.primary-button,.back-to-top{align-items:center;min-height:44px;display:inline-flex}.brand{letter-spacing:.01em;font-size:1rem;font-weight:650}.header-actions,.section-nav{align-items:center;gap:clamp(1.25rem,3vw,2.25rem);display:flex}.section-nav a,.language-switch a{color:var(--text-muted);font-size:.875rem}.language-switch{border-left:1px solid var(--border);padding-left:clamp(1.25rem,3vw,2.25rem)}.language-switch a,.section-nav a:hover,.back-to-top:hover{color:var(--accent)}.hero{background:var(--page);border-block:1px solid var(--border)}.hero-content{padding-block:clamp(3.5rem,7vw,5.5rem)}.identity-rule{background:var(--accent);width:2rem;height:2px;margin-bottom:1.75rem;display:block}.hero h1{letter-spacing:-.035em;margin-bottom:.875rem;font-size:clamp(2rem,3.25vw,2.75rem);font-weight:550;line-height:1.45}.hero h1 span{display:inline-block}.site-language-cn .hero h1{letter-spacing:.025em}.hero-summary{color:var(--text-muted);margin-bottom:1.75rem;font-size:1.125rem;line-height:1.8}.primary-button{border-bottom:1px solid var(--accent);width:fit-content;color:var(--accent);gap:1.5rem;font-size:.9375rem}.primary-button:hover{color:var(--ink);border-color:var(--ink)}.section-grid{grid-template-columns:minmax(9rem,.65fr) minmax(0,2fr);gap:clamp(2rem,7vw,5rem);display:grid}.work{padding-block:var(--section-space)}.section-heading{align-items:baseline;gap:.875rem;display:flex}.section-number{color:var(--accent);font-variant-numeric:tabular-nums;font-size:.75rem}.section-heading h2{margin:0;font-size:1rem;font-weight:600}.work-introduction{max-width:42rem;margin-bottom:2rem;font-size:1.0625rem;line-height:1.95}.directions{border-top:1px solid var(--border)}.direction{border-bottom:1px solid var(--border);grid-template-columns:minmax(7rem,.7fr) minmax(0,1.6fr);gap:1.5rem;padding-block:1.5rem;display:grid}.direction h3{margin-bottom:0;font-size:1rem;font-weight:550}.direction p{color:var(--text-muted);margin-bottom:0;font-size:1rem}.contact{background:var(--contact);border-block:1px solid var(--border)}.contact-inner{padding-block:var(--section-space)}.contact-description{color:var(--text-muted);margin-bottom:.875rem}.contact-actions{flex-wrap:wrap;align-items:center;gap:1.5rem;display:flex}.email-link{max-width:100%;min-height:44px;color:var(--ink);letter-spacing:-.015em;overflow-wrap:anywhere;align-items:center;gap:.75rem;font-size:clamp(1.125rem,2vw,1.375rem);display:inline-flex}.email-link span:first-child{min-width:0}.email-link span:last-child{color:var(--accent);flex-shrink:0}.email-link:hover{text-underline-offset:5px;text-decoration:underline}.copy-email-button{min-height:44px;color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #b9c8d3;border-radius:.25rem;padding:.45rem .875rem;font-size:.875rem}.copy-email-button:hover{border-color:var(--accent);color:var(--accent);background:var(--white)}.contact-note{color:var(--ink);margin-bottom:0;font-size:1rem}.site-footer{min-height:112px;color:var(--text-muted);justify-content:space-between;align-items:center;gap:1rem 2rem;padding-block:1.75rem;font-size:.8125rem;display:flex}.site-footer p{margin-bottom:0}.trademark-notice{margin-top:.35rem}.back-to-top{flex-shrink:0;gap:.75rem;font-size:.875rem}.error-layout{min-height:100vh;padding:var(--gutter);background:var(--page);place-items:center;display:grid}.error-card{border:1px solid var(--border);background:var(--white);width:min(100%,660px);padding:clamp(2rem,7vw,5rem)}.error-card .brand{margin-bottom:2rem}.error-card h1,.error-card h2{letter-spacing:-.035em;font-weight:550}.error-card h1{margin-bottom:1rem;font-size:clamp(2rem,5vw,3rem);line-height:1.3}.error-card p{color:var(--text-muted)}.error-card .primary-button{margin-top:1rem}.eyebrow{font-size:.875rem}@media (max-width:720px){.section-grid{grid-template-columns:1fr;gap:1.75rem}.site-footer{flex-direction:column;align-items:flex-start}}@media (max-width:480px){.site-header{gap:.75rem;min-height:72px}.header-actions{gap:0}.section-nav{display:none}.language-switch{border-left:0;padding-left:1rem}.hero-content{padding-block:3rem}.hero h1{font-size:1.875rem}.direction{grid-template-columns:1fr;gap:.375rem}.work-introduction{font-size:1rem}.contact-actions{gap:.75rem 1.25rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
