.site-header[data-astro-cid-3cursr6z]{position:relative;z-index:20;border-block-end:1px solid var(--color-border);background:#f3f0e8f5}.site-header__inner[data-astro-cid-3cursr6z]{position:relative;display:flex;min-block-size:4.5rem;align-items:center;justify-content:space-between;gap:var(--space-4)}.site-brand[data-astro-cid-3cursr6z]{display:inline-flex;min-block-size:var(--target-size);align-items:center;color:var(--color-ink);font-family:var(--font-serif);font-size:var(--text-xl);font-weight:700;text-decoration:none}.site-nav[data-astro-cid-3cursr6z]{display:flex;align-items:center;gap:var(--space-1)}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]{position:relative;display:inline-flex;min-block-size:var(--target-size);align-items:center;padding-inline:var(--space-3);color:var(--color-ink-soft);font-size:var(--text-sm);font-weight:650;text-decoration:none}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]:after{position:absolute;inset-inline:var(--space-3);inset-block-end:.32rem;block-size:2px;background:var(--color-accent-red);content:"";opacity:0;transform:scaleX(.4);transition:opacity var(--motion-fast),transform var(--motion-fast)}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]:hover,.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z][aria-current=page]{color:var(--color-ink)}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]:hover:after,.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z][aria-current=page]:after{opacity:1;transform:scaleX(1)}.site-nav__toggle[data-astro-cid-3cursr6z],.site-nav__toggle[data-astro-cid-3cursr6z] .site-nav__close-icon,[data-astro-cid-3cursr6z][data-menu-open] .site-nav__toggle[data-astro-cid-3cursr6z] .site-nav__menu-icon{display:none}[data-astro-cid-3cursr6z][data-menu-open] .site-nav__toggle[data-astro-cid-3cursr6z] .site-nav__close-icon{display:block}@media(max-width:47.999rem){.site-header__inner[data-astro-cid-3cursr6z]{min-block-size:4rem}[data-astro-cid-3cursr6z][data-nav-enhanced] .site-nav__toggle[data-astro-cid-3cursr6z]{display:inline-grid;margin-inline-start:auto}.site-nav[data-astro-cid-3cursr6z]{position:absolute;inset-block-start:100%;inset-inline:var(--gutter);display:grid;padding-block:var(--space-2);border-block:1px solid var(--color-border);background:var(--color-paper)}[data-astro-cid-3cursr6z][data-nav-enhanced] .site-nav[data-astro-cid-3cursr6z]{display:none}[data-astro-cid-3cursr6z][data-nav-enhanced][data-menu-open] .site-nav[data-astro-cid-3cursr6z]{display:grid}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]{padding-inline:var(--space-4)}.site-nav[data-astro-cid-3cursr6z] a[data-astro-cid-3cursr6z]:after{inset-inline-start:var(--space-4);inset-inline-end:auto;inline-size:2.5rem}}.site-footer[data-astro-cid-gcn2mc3v]{padding-block:var(--space-12) var(--space-6);border-block-start:1px solid var(--color-border);background:var(--color-ink);color:var(--color-paper)}.site-footer__inner[data-astro-cid-gcn2mc3v]{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-8);align-items:start}.site-footer__identity[data-astro-cid-gcn2mc3v]{max-inline-size:38rem}.site-footer__brand[data-astro-cid-gcn2mc3v]{display:inline-flex;min-block-size:var(--target-size);align-items:center;color:var(--color-paper);font-family:var(--font-serif);font-size:var(--text-2xl);font-weight:700;text-decoration:none}.site-footer__identity[data-astro-cid-gcn2mc3v] p[data-astro-cid-gcn2mc3v]{margin:var(--space-2) 0 0;color:#f3f0e8bf}.site-footer__nav[data-astro-cid-gcn2mc3v]{display:grid;grid-template-columns:repeat(2,auto);gap:var(--space-1) var(--space-5)}.site-footer__nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{display:inline-flex;min-block-size:var(--target-size);align-items:center;color:var(--color-paper);text-underline-offset:.22em}.site-footer__meta[data-astro-cid-gcn2mc3v]{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:var(--space-3) var(--space-6);margin-block-start:var(--space-10);padding-block-start:var(--space-4);border-block-start:1px solid rgb(243 240 232 / .2);color:#f3f0e89e}.site-footer__icp[data-astro-cid-gcn2mc3v]{grid-column:2}.site-footer__notice[data-astro-cid-gcn2mc3v]{grid-column:3;justify-self:end;text-align:end}.site-footer__visits[data-astro-cid-gcn2mc3v]{grid-column:3;grid-row:2;display:inline-flex;flex-wrap:wrap;justify-self:end;justify-content:end;gap:0 var(--space-3);max-inline-size:28rem;color:#f3f0e8ad;font-variant-numeric:tabular-nums;text-align:end}.site-footer__visits-label[data-astro-cid-gcn2mc3v]{color:#f3f0e8e0;font-weight:600}.site-footer__visits[data-astro-cid-gcn2mc3v] strong[data-astro-cid-gcn2mc3v]{color:var(--color-paper);font-weight:600}.site-footer__meta[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:inherit}@media(max-width:42rem){.site-footer__inner[data-astro-cid-gcn2mc3v]{grid-template-columns:1fr;gap:var(--space-6)}.site-footer__nav[data-astro-cid-gcn2mc3v]{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer__meta[data-astro-cid-gcn2mc3v]{grid-template-columns:1fr}.site-footer__icp[data-astro-cid-gcn2mc3v],.site-footer__notice[data-astro-cid-gcn2mc3v],.site-footer__visits[data-astro-cid-gcn2mc3v]{grid-column:1}.site-footer__notice[data-astro-cid-gcn2mc3v],.site-footer__visits[data-astro-cid-gcn2mc3v]{justify-self:start;justify-content:start;text-align:start}}:root{--color-ink: #151412;--color-gold: #c9a35f;--color-river: #2c6e73;--color-mountain: #4e6a47;--color-earth: #9e4b3f;--color-accent-red: #8f1d2c;--color-paper: #f3f0e8;--color-ink-soft: #252421;--color-stone: #5a6166;--color-surface: #fffdf8;--color-surface-muted: #e4e0d6;--color-border: rgb(21 20 18 / .2);--color-text-muted: var(--color-stone);--color-link: #235d61;--font-serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", SimSun, serif;--font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-4xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--gutter: max(1rem, env(safe-area-inset-left));--content-reading: 44rem;--content-default: 72rem;--content-wide: 86rem;--target-size: 44px;--icon-button-size: 44px;--radius-control: 4px;--radius-card: 8px;--focus-ring: 3px solid var(--color-gold);--motion-fast: .16s ease;--motion-medium: .28s ease}*,*:before,*:after{box-sizing:border-box}html{min-inline-size:20rem;background:var(--color-paper);scroll-behavior:smooth;text-size-adjust:100%}body{min-block-size:100vh;margin:0;background:var(--color-paper);color:var(--color-ink-soft);font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;letter-spacing:0;overflow-wrap:break-word}main{min-block-size:60vh}h1,h2,h3,h4{color:var(--color-ink);font-family:var(--font-serif);font-weight:700;line-height:1.2;letter-spacing:0;text-wrap:balance}p,figure,blockquote,dl,dd{margin-block-start:0}img,picture,video,canvas,svg{max-inline-size:100%}img{block-size:auto}a{color:var(--color-link);text-decoration-thickness:1px;text-underline-offset:.18em}a:hover{text-decoration-thickness:2px}button,input,select,textarea{color:inherit;font:inherit;letter-spacing:0}button,select,input:not([type=range]):not([type=checkbox]):not([type=radio]){min-block-size:var(--target-size)}button{cursor:pointer}:focus-visible{outline:var(--focus-ring);outline-offset:3px}main:focus{outline:none}main:focus-visible{outline:var(--focus-ring);outline-offset:-3px}::selection{background:var(--color-gold);color:var(--color-ink)}.container,.container-wide,.reading-width{inline-size:min(100% - (2 * var(--gutter)),var(--content-default));margin-inline:auto}.container-wide{max-inline-size:var(--content-wide)}.reading-width{max-inline-size:var(--content-reading)}.flow>*+*{margin-block-start:var(--flow-space, var(--space-4))}.cluster{display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:center}.section-space{padding-block:var(--space-16)}.icon-button{display:inline-grid;flex:0 0 var(--icon-button-size);inline-size:var(--icon-button-size);block-size:var(--icon-button-size);min-inline-size:var(--icon-button-size);min-block-size:var(--icon-button-size);padding:0;border:1px solid var(--color-border);border-radius:var(--radius-control);place-items:center;background:var(--color-paper);color:var(--color-ink);line-height:1;text-decoration:none}.icon-button:hover{border-color:var(--color-ink);background:var(--color-surface-muted)}.icon-button:disabled,.icon-button[aria-disabled=true]{cursor:not-allowed;opacity:.5}.icon-button>svg{inline-size:1.25rem;block-size:1.25rem}.skip-link{position:fixed;inset-block-start:var(--space-2);inset-inline-start:var(--space-2);z-index:100;display:inline-flex;min-block-size:var(--target-size);align-items:center;padding-inline:var(--space-4);border-radius:var(--radius-control);background:var(--color-ink);color:var(--color-paper);font-weight:700;text-decoration:none;transform:translateY(calc(-100% - var(--space-4)))}.skip-link:focus{transform:translateY(0)}.sr-only{position:absolute;inline-size:1px;block-size:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:48rem){:root{--gutter: max(2rem, env(safe-area-inset-left))}.section-space{padding-block:var(--space-20)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}