html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}article,aside,footer,header,nav,section{display:block}h1,h2,h3,h4,h5,h6{margin:0;font-size:100%;font-weight:inherit}p{margin:0}abbr[title],abbr[title]:hover{text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}:root{--page-bg: #f5f5f7;--page-bg-strong: #f5f5f7;--surface: rgba(255, 255, 255, .78);--surface-strong: rgba(255, 255, 255, .92);--surface-muted: rgba(0, 113, 227, .08);--ink: #1d1d1f;--ink-soft: #6e6e73;--accent: #0071e3;--accent-soft: #4b9cff;--line: rgba(29, 29, 31, .08);--shadow-soft: 0 20px 48px rgba(17, 24, 39, .08);--shadow-strong: 0 28px 68px rgba(17, 24, 39, .1);--radius-sm: 1.4rem;--radius-md: 2.2rem;--radius-lg: 3rem;--content-width: 58rem;--font-display: "SF Pro Display", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;--font-body: "SF Pro Text", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{font-size:62.5%;scroll-behavior:smooth}body{min-height:100dvh;background:var(--page-bg);color:var(--ink);font-family:var(--font-body);font-size:1.6rem;line-height:1.6;margin:0;padding:2rem 1.6rem 4rem;position:relative}body:before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.15' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");content:"";inset:0;pointer-events:none;position:fixed;z-index:-2}img{display:block;max-width:100%}a{color:inherit}button,input,textarea,select{font:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}::selection{background:#7a3b312e}.skip-link{background:var(--ink);border-radius:999px;color:#fff;left:1.6rem;padding:1rem 1.6rem;position:fixed;text-decoration:none;top:1.6rem;transform:translateY(-180%);transition:transform .18s ease;z-index:30}.skip-link:focus-visible{transform:translateY(0)}.site-footer{align-items:center;color:var(--ink-soft);display:flex;flex-direction:column;gap:1rem;margin:2.4rem auto 0;max-width:var(--content-width);padding:0 0 1rem;text-align:center}.site-footer__nav{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center}.site-footer__nav a{border-radius:999px;padding:.4rem .8rem;text-decoration:none;transition:background-color .22s ease,color .22s ease}.site-footer__nav a:hover{background:#0071e314;color:var(--ink)}@media(min-width:768px){body{padding:3.2rem 2.4rem 4.8rem}.site-footer{margin-top:4.8rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}