:root{--bg: #f3f8f1;--bg-cool: #e8f2e7;--bg-deep: #d7e6d5;--ink: 16, 26, 23;--ink-soft: 43, 62, 55;--muted: 96, 117, 106;--line: 186, 207, 190;--pine: #0f3d32;--pine-deep: #08291f;--bamboo: #4f7f58;--moss: #789969;--celadon: #dcebe0;--pond: #2a6f67;--gold-green: #a9a85b;--seal: #8c3c2d;--white: #ffffff;--accent: var(--pine);--accent-dark: var(--pine-deep);--black: var(--ink);--gray: var(--muted);--gray-light: var(--line);--gray-dark: var(--ink-soft);--display-font: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;--body-font: "Atkinson", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--latin-font: "Atkinson", ui-sans-serif, system-ui, sans-serif;--ease-out-quint: cubic-bezier(.22, 1, .36, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--header-height: 4.35rem;--box-shadow: none}@font-face{font-family:Atkinson;src:url(/fonts/atkinson-regular.woff) format("woff");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Atkinson;src:url(/fonts/atkinson-bold.woff) format("woff");font-weight:700;font-style:normal;font-display:swap}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{min-height:100vh;margin:0;padding:0;background:radial-gradient(circle at 78% 12%,rgba(79,127,88,18%),transparent 32rem),linear-gradient(180deg,var(--bg) 0%,var(--bg-cool) 48%,#edf5ed 100%);color:rgb(var(--ink));font-family:var(--body-font);font-size:18px;line-height:1.72;text-align:left;word-wrap:break-word;overflow-wrap:break-word}main{width:min(760px,calc(100% - 2rem));margin:auto;padding:3rem 0}h1,h2,h3,h4,h5,h6{margin:0 0 .65rem;color:rgb(var(--ink));font-family:var(--display-font);font-weight:700;letter-spacing:0;line-height:1.08;text-wrap:balance}h1{font-size:clamp(2.6rem,8vw,5.8rem)}h2{font-size:clamp(1.9rem,4vw,3.1rem)}h3{font-size:clamp(1.25rem,2.8vw,2rem)}h4{font-size:1.25rem}h5{font-size:1.1rem}strong,b{font-weight:700}a{color:var(--pine);text-decoration-color:color-mix(in srgb,var(--pine) 45%,transparent);text-decoration-thickness:1px;text-underline-offset:.22em}a:hover{color:var(--pond);text-decoration-color:currentColor}p{margin:0 0 1em;text-wrap:pretty}.prose p{margin-bottom:1.65em}.prose a{font-weight:700}textarea,input,button{font:inherit}textarea{width:100%}table{width:100%;border-collapse:collapse}img{max-width:100%;height:auto;border-radius:0}code{padding:2px 6px;border:1px solid rgba(var(--line),82%);background-color:#ffffffb8;color:var(--pine-deep)}pre{padding:1.5em;overflow-x:auto;border:1px solid rgba(var(--line),80%);background:#0e211b;color:var(--white)}pre>code{all:unset}blockquote{margin:2rem 0;padding:0;border:0;background:transparent;color:rgb(var(--ink-soft));font-family:var(--display-font);font-size:1.12em}hr{border:none;border-top:1px solid rgba(var(--line),88%)}::selection{background:color-mix(in srgb,var(--bamboo) 28%,transparent);color:rgb(var(--ink))}:focus-visible{outline:3px solid color-mix(in srgb,var(--gold-green) 70%,transparent);outline-offset:3px}.eyebrow,.cn-label{margin:0;color:var(--pine);font-family:var(--display-font);font-size:.96rem;font-weight:700;letter-spacing:0;text-transform:none}.surface{border:1px solid rgba(var(--line),86%);background:#ffffffb8}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:0;overflow:hidden;border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);white-space:nowrap}.reveal{animation:reveal-rise .9s var(--ease-out-expo) both}.mask-reveal{animation:mask-reveal 1.1s var(--ease-out-expo) both}@keyframes reveal-rise{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@keyframes mask-reveal{0%{opacity:0;clip-path:inset(0 0 100% 0);transform:scale(1.04)}to{opacity:1;clip-path:inset(0);transform:scale(1)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}@media(max-width:720px){body{font-size:16px}main{width:min(100% - 1rem,760px);padding:1.5rem 0}}footer[data-astro-cid-sz7xmlte]{padding:4rem 1rem 5rem;border-top:1px solid rgba(var(--line),76%);background:linear-gradient(90deg,rgba(15,61,50,10%),transparent 42%),linear-gradient(180deg,#fff0,#d7e6d5d1);color:rgb(var(--ink-soft))}.footer-inner[data-astro-cid-sz7xmlte]{display:grid;width:min(1240px,100%);grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;margin:0 auto}.footer-title[data-astro-cid-sz7xmlte]{margin:0 0 .35rem;color:rgb(var(--ink));font-family:var(--display-font);font-size:1.35rem;font-weight:700}footer[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{max-width:38rem;margin:0}nav[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.85rem}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{padding:.2rem 0;color:rgb(var(--ink-soft));font-weight:700;text-decoration:none}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--pine)}.copyright[data-astro-cid-sz7xmlte]{grid-column:1 / -1;padding-top:1.25rem;border-top:1px solid rgba(var(--line),76%);color:rgb(var(--muted));font-size:.86rem}@media(max-width:720px){.footer-inner[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}nav[data-astro-cid-sz7xmlte]{justify-content:flex-start}}a[data-astro-cid-eimmu3lg]{display:inline-block;text-decoration:none}a[data-astro-cid-eimmu3lg].active{font-weight:bolder;text-decoration:underline}header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:20;margin:0;padding:.5rem 1.2rem;border-bottom:1px solid rgba(var(--line),58%);background:#f3f8f1cc;backdrop-filter:blur(18px)}nav[data-astro-cid-3ef6ksr2]{display:flex;width:min(1240px,100%);min-height:3.35rem;align-items:center;justify-content:space-between;gap:1.5rem;margin:0 auto}.site-brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:.7rem;color:rgb(var(--ink));text-decoration:none}.site-brand[data-astro-cid-3ef6ksr2]:before{display:grid;width:2rem;height:2rem;place-items:center;border:1px solid color-mix(in srgb,var(--pine) 72%,transparent);background:var(--pine);color:var(--white);content:"闻";font-family:var(--display-font);font-size:1.05rem;font-weight:700;line-height:1}.site-brand[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{font-family:var(--display-font);font-size:1.18rem;font-weight:700;line-height:1.2}.site-brand[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{color:rgb(var(--muted));font-size:.72rem;letter-spacing:0}.internal-links[data-astro-cid-3ef6ksr2]{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.15rem}nav[data-astro-cid-3ef6ksr2] a:not(.site-brand){display:inline-flex;min-height:2.25rem;align-items:center;padding:0 .55rem;border:1px solid transparent;color:rgb(var(--ink-soft));font-size:.92rem;font-weight:600;text-decoration:none}nav[data-astro-cid-3ef6ksr2] a.active:not(.site-brand){border-color:rgba(var(--line),90%);background:#ffffff6b;color:rgb(var(--ink))}nav[data-astro-cid-3ef6ksr2] a:not(.site-brand):hover{color:var(--pine)}@media(max-width:720px){header[data-astro-cid-3ef6ksr2]{position:static}nav[data-astro-cid-3ef6ksr2]{align-items:flex-start;flex-direction:column;gap:.75rem;padding:.85rem 0}.internal-links[data-astro-cid-3ef6ksr2]{justify-content:flex-start}nav[data-astro-cid-3ef6ksr2] a:not(.site-brand){min-height:2rem;padding:0 .45rem}}