:root{color-scheme:light;--bg: #f7efe4;--surface: #fffaf1;--surface-soft: #edf2e5;--ink: #25231f;--muted: #6e695f;--line: #dfd2bf;--green: #2d7560;--blue: #345f8a;--red: #bf5945;--gold: #b6832e;--shadow: 0 10px 26px rgba(70, 52, 35, .08);--radius: 8px;--content: min(1120px, calc(100vw - 40px) );--weight-base: 300;--weight-emphasis: 500;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);letter-spacing:0}body{margin:0;min-height:100vh;font-size:16px;font-weight:var(--weight-base);line-height:1.75}h1,h2,h3,h4,h5,h6{font-weight:var(--weight-base)}strong,b{font-weight:var(--weight-emphasis)}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}a:focus-visible{outline:3px solid rgba(46,110,91,.35);outline-offset:4px;border-radius:4px}img{display:block;max-width:100%;height:auto}.skip-link{position:absolute;left:16px;top:12px;transform:translateY(-140%);z-index:20;background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px}.skip-link:focus{transform:translateY(0)}.site-header{width:var(--content);margin:0 auto;padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:var(--weight-emphasis);font-size:1rem}.brand img{width:44px;height:44px;border-radius:8px}.site-nav{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.95rem;flex-wrap:wrap;justify-content:flex-end}.home-intro{width:var(--content);margin:52px auto 44px;padding-bottom:32px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end}.home-intro h1,.page-hero h1,.article-header h1{margin:0;line-height:1.45;font-weight:var(--weight-base)}.home-intro h1{max-width:760px;font-size:clamp(1.45rem,2vw,1.8rem)}.home-intro p:not(.eyebrow){max-width:560px;margin:14px 0 0;color:var(--muted);font-size:.98rem;font-weight:var(--weight-base)}.eyebrow{margin:0 0 10px;color:var(--red);font-size:.78rem;font-weight:var(--weight-emphasis);text-transform:uppercase}.intro-links{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}.intro-links a,.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:var(--weight-emphasis);border-bottom:1px solid rgba(46,110,91,.35)}.text-link.strong{color:var(--ink);border-color:var(--ink)}.page-section{width:var(--content);margin:0 auto;padding:64px 0}.page-section.tinted{width:100%;max-width:none;background:var(--surface-soft);padding-left:max(20px,calc((100vw - 1120px)/2));padding-right:max(20px,calc((100vw - 1120px)/2))}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:20px}.section-heading.compact{align-items:start}.section-heading h2{margin:0;font-size:clamp(1.25rem,1.8vw,1.55rem);font-weight:var(--weight-base);line-height:1.35}.home-board{width:var(--content);margin:0 auto 84px;display:grid;grid-template-columns:minmax(0,1.38fr) minmax(320px,.72fr);gap:54px;align-items:start}.home-main,.home-side{min-width:0}.entry-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.entry{display:grid;grid-template-columns:136px minmax(0,1fr);gap:26px;padding:24px 0;border-bottom:1px solid var(--line)}.entry time{color:var(--muted);font-size:.92rem}.entry p{margin:0;color:var(--muted)}.entry div>p:first-child{color:var(--red);font-size:.8rem;font-weight:var(--weight-emphasis);text-transform:uppercase}.entry h3{margin:4px 0 8px;font-size:1.12rem;font-weight:var(--weight-base);line-height:1.35}.topic-stack,.side-block{margin-top:24px}.topic-stack{display:grid;gap:12px}.side-block{padding-top:30px;border-top:1px solid var(--line)}.article-grid,.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-list{display:grid;gap:18px}.card,.topic-card,.empty-state,.about-aside{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card-featured{box-shadow:var(--shadow)}.card-meta,.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}.card h3,.topic-card h3{margin:12px 0 10px;font-size:1.12rem;font-weight:var(--weight-base);line-height:1.35}.card p,.topic-card p,.empty-state p,.about-aside p{color:var(--muted);margin:0}.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.pill{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted);font-size:.85rem}.topic-card a{display:grid;gap:8px}.topic-marker{width:34px;height:4px;background:var(--green);border-radius:999px}.accent-blue .topic-marker{background:var(--blue)}.accent-red .topic-marker{background:var(--red)}.accent-gold .topic-marker{background:var(--gold)}.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.9fr);gap:48px}.stack{display:grid;gap:16px}.update-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.update-list a{display:grid;grid-template-columns:72px 1fr auto;align-items:center;gap:14px;border-top:1px solid var(--line);padding:14px 0}.update-list span,.update-list time{color:var(--muted);font-size:.88rem}.page-hero{width:var(--content);margin:56px auto 12px;padding:42px 0}.page-hero h1{font-size:clamp(1.45rem,2.4vw,2rem)}.page-hero p:not(.eyebrow){max-width:660px;color:var(--muted);font-size:1.08rem}.article-page{width:min(820px,calc(100vw - 40px));margin:48px auto 96px}.article-header{margin-bottom:42px}.article-header h1{margin-top:12px;font-size:clamp(1.45rem,2.4vw,2rem)}.article-header>p{color:var(--muted);font-size:1.1rem}.breadcrumb,.source-link{color:var(--green);font-weight:var(--weight-emphasis)}.source-link{display:inline-flex;margin-top:18px}.prose{color:var(--ink);font-size:1.05rem;line-height:1.95}.prose.narrow{width:min(820px,calc(100vw - 40px))}.prose p,.prose ul,.prose ol,.prose blockquote{margin:0 0 1.2em}.prose h2{margin:2.2em 0 .7em;font-size:1.55rem;line-height:1.35}.prose h3{margin:1.8em 0 .6em;font-size:1.2rem}.prose a{color:var(--green);border-bottom:1px solid rgba(46,110,91,.35)}.prose blockquote{border-left:4px solid var(--red);padding-left:18px;color:var(--muted)}.about-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:42px;align-items:start}.about-aside h2{margin-top:0}.empty-state{text-align:left}.empty-state h2{margin:0 0 8px}.site-footer{width:var(--content);margin:64px auto 0;padding:32px 0 48px;color:var(--muted);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.site-footer p{margin:0}@media(max-width:860px){.site-header{align-items:flex-start;flex-direction:column}.site-nav{justify-content:flex-start}.home-intro,.home-board,.split-section,.about-layout{grid-template-columns:1fr}.home-intro{min-height:auto;margin-top:24px}.intro-links{justify-content:flex-start}.entry{grid-template-columns:1fr;gap:6px}.article-grid,.topic-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column}.update-list a{grid-template-columns:1fr;gap:4px}}@media(max-width:520px){:root{--content: min(100vw - 28px, 1120px)}.home-intro h1{font-size:2rem}.hero-panel,.card,.topic-card,.empty-state,.about-aside{padding:18px}}