:root{--black: 0, 0, 0;--white: 255, 255, 255;--gray-super-light: 247, 247, 247;--gray-light: 230, 230, 230;--gray: 179, 179, 179;--gray-less-dark: 128, 128, 128;--gray-dark: 77, 77, 77;--yellow: 250, 230, 123;--header-text-font: clamp(18px, 1.375vw, 22px);--normal-text-font: clamp(14px, 1.125vw, 18px);--small-text-font: clamp(12px, 1vw, 16px);--box-shadow: 0 2px 6px rgba(var(--gray), 25%), 0 8px 24px rgba(var(--gray), 33%), 0 16px 32px rgba(var(--gray), 33%)}@font-face{font-family:SourceHanSansCN;src:url(/fonts/SourceHanSansCN-Normal.otf) format("opentype");unicode-range:U+4E00-9FFF}@font-face{font-family:Avenir Medium;src:url(/fonts/Avenir-Medium.woff) format("woff");unicode-range:U+0000-00FF}@font-face{font-family:Avenir Roman;src:url(/fonts/Avenir-Roman.woff) format("woff");unicode-range:U+0000-00FF}body{font-family:Avenir Roman,SourceHanSansCN;-webkit-font-smoothing:antialiased;margin:0;background:rgb(var(--white));font-size:var(--normal-text-font);display:flex;flex-direction:column;min-height:100vh;overflow-y:scroll}main{padding:3em;display:flex;margin-top:4em;flex-grow:1}img{max-width:100%;height:auto}a{color:rgb(var(--gray-dark))}.shownotes img{width:70%;min-width:312px}.shownotes p{color:rgb(var(--gray-dark));margin:0}.shownotes li{color:rgb(var(--gray-dark))}.shownotes figure{margin-left:0;margin-bottom:1em}@media (max-width: 1300px){.shownotes img{min-width:350px}}@media (max-width: 1024px){main{padding:1em}}@media (max-width: 720px){.shownotes figure{margin-right:0}.shownotes img{min-width:100%}}@keyframes gentle-swing{0%,to{transform:rotate(-1.5deg)}50%{transform:rotate(1.5deg)}}@keyframes fade-slide-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes glow-pulse{0%,to{box-shadow:inset 0 0 100px #6496ff4d,inset 0 0 200px #6496ff33}50%{box-shadow:inset 0 0 120px #6496ff66,inset 0 0 220px #6496ff40}}@keyframes page-enter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page-transition{animation:page-enter .6s ease-out}@keyframes fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes card-entrance{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.fade-in-text{opacity:0;animation:fade-in-up .8s ease-out forwards}.fade-in-text[style*=--delay]{animation-delay:var(--delay)}.card-enter{animation:card-entrance .6s ease-out forwards}@keyframes slide-down{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slide-up{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}.nav-link-underline{position:relative;display:inline-block}.nav-link-underline:after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:1px;background-color:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s ease-out}.nav-link-underline:hover:after{transform:scaleX(1)}.menu-slide-in{animation:slide-down .3s ease-out}.menu-slide-out{animation:slide-up .3s ease-out}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}a[data-astro-cid-eimmu3lg]{color:rgb(var(--gray-dark));text-decoration:none;font-size:30px}a[data-astro-cid-eimmu3lg].active{font-family:Avenir Medium;color:rgb(var(--black))}@media (max-width: 720px){a[data-astro-cid-eimmu3lg]{color:rgb(var(--gray-dark));text-decoration:none;font-size:1.5em}}.language-toggle[data-astro-cid-lb7h3eps]{display:flex;align-items:center}#lang-toggle[data-astro-cid-lb7h3eps]{background:none;border:1px solid rgb(var(--gray-dark));border-radius:50px;cursor:pointer;font-size:var(--normal-text-font);font-family:Avenir Medium,SourceHanSansCN;color:rgb(var(--gray-dark));padding:.3em .8em;display:flex;align-items:center;gap:.2em;transition:opacity .2s ease;min-width:6.5em;width:6.5em;justify-content:center;white-space:nowrap}#lang-toggle[data-astro-cid-lb7h3eps]:hover{opacity:.6}#lang-toggle[data-astro-cid-lb7h3eps]:focus{outline:none}.lang-cn[data-astro-cid-lb7h3eps],.lang-en[data-astro-cid-lb7h3eps]{transition:color .2s ease,font-family .2s ease}.lang-separator[data-astro-cid-lb7h3eps]{color:rgb(var(--gray))}body[data-lang=cn] .lang-cn[data-astro-cid-lb7h3eps]{color:rgb(var(--black));font-family:Avenir Medium,SourceHanSansCN}body[data-lang=cn] .lang-en[data-astro-cid-lb7h3eps]{color:rgb(var(--gray));font-family:Avenir Roman,SourceHanSansCN}body[data-lang=en] .lang-en[data-astro-cid-lb7h3eps]{color:rgb(var(--black));font-family:Avenir Medium,SourceHanSansCN}body[data-lang=en] .lang-cn[data-astro-cid-lb7h3eps]{color:rgb(var(--gray));font-family:Avenir Roman,SourceHanSansCN}header[data-astro-cid-3ef6ksr2]{padding:1em 3em;border-bottom:1px solid rgb(var(--gray-light));position:fixed;top:0;right:0;left:0;z-index:999}nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{height:2.5em}nav[data-astro-cid-3ef6ksr2] .internal-links[data-astro-cid-3ef6ksr2]{display:flex;gap:2em}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;background:none;border:none;font-size:2em;cursor:pointer;padding:0 0 15px;color:rgb(var(--black))}.menu-toggle[data-astro-cid-3ef6ksr2]:focus{outline:none}@media (max-width: 1024px){header[data-astro-cid-3ef6ksr2]{padding:1em}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{height:1.8em}nav[data-astro-cid-3ef6ksr2] .internal-links[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;gap:1em;position:absolute;top:100%;padding:1em;right:0;background-color:rgb(var(--white));width:100%;border-bottom:1px solid rgb(var(--gray-light));text-align:right;align-items:flex-end}.menu-toggle[data-astro-cid-3ef6ksr2]{display:block}nav[data-astro-cid-3ef6ksr2].open .internal-links[data-astro-cid-3ef6ksr2]{display:flex}}footer[data-astro-cid-sz7xmlte]{padding:1em 3em;color:rgb(var(--gray))}.footer-content[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;max-width:100%}.copyright[data-astro-cid-sz7xmlte]{flex:1;text-align:left}.social-links[data-astro-cid-sz7xmlte]{display:flex;gap:1em;align-items:center}.social-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{display:inline-block;transition:opacity .2s ease}.social-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{opacity:.7}.social-links[data-astro-cid-sz7xmlte] img[data-astro-cid-sz7xmlte]{height:24px;width:auto;display:block}@media (max-width: 1024px){footer[data-astro-cid-sz7xmlte]{padding:1em}}@media (max-width: 720px){footer[data-astro-cid-sz7xmlte]{padding:1em}.footer-content[data-astro-cid-sz7xmlte]{flex-direction:column;gap:.5em}.copyright[data-astro-cid-sz7xmlte]{text-align:center}}