:root{--bg: #F6F8F7;--bg-soft: #EEF5F4;--bg-tint: #EDF4FA;--bg-card: #FFFFFF;--ink: #1F2933;--ink-2: #3E4C59;--muted: #64748B;--line: rgba(31, 41, 51, .1);--line-strong: rgba(31, 41, 51, .18);--green: #7ED321;--green-deep: #4E8A0D;--green-ink: #3B6D11;--green-soft: #EDF7DC;--blue: #4A90E2;--blue-deep: #2F6FBF;--blue-soft: #E6F1FB;--gold: #F5C542;--gold-ink: #7A5A06;--gold-soft: #FBF3DC;--agent-xiaoshu: #4E8A0D;--agent-xiaoting: #C2185B;--agent-xiaodian: #2F6FBF;--agent-xiaoheng: #0F8A6D;--radius-s: 4px;--radius-m: 8px;--radius-l: 12px;--shadow-card: 0 1px 2px rgba(31, 41, 51, .05);--shadow-lift: 0 8px 24px rgba(31, 41, 51, .08);--font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;--maxw: 1120px;--maxw-prose: 760px;--nav-h: 64px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}a{color:var(--green-deep);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}h1,h2,h3,h4{line-height:1.35;color:var(--ink);margin:0 0 .6em;font-weight:700}code,kbd,pre{font-family:var(--font-mono);font-size:.92em}:focus-visible{outline:2px solid var(--green-deep);outline-offset:2px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:8px 16px;z-index:100;border-radius:0 0 8px}.skip-link:focus{left:0}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:72px 0}.section--tight{padding:48px 0}.section--soft{background:var(--bg-soft)}.section--tint{background:var(--bg-tint)}.section-head{max-width:640px;margin-bottom:40px}.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green-deep);margin-bottom:12px}.section-head .kicker:before{content:"";width:22px;height:2px;background:var(--green);border-radius:1px}.section-head h2{font-size:clamp(24px,3.2vw,32px);letter-spacing:-.01em}.section-head .lead{color:var(--muted);font-size:16px;margin:0}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-m);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn--primary{background:var(--green-deep);color:#fff}.btn--primary:hover{background:var(--green-ink);box-shadow:var(--shadow-lift)}.btn--ghost{background:var(--bg-card);color:var(--ink);border-color:var(--line-strong)}.btn--ghost:hover{border-color:var(--green-deep);color:var(--green-deep)}.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-s);font-size:12.5px;font-weight:500;background:var(--green-soft);color:var(--green-ink);white-space:nowrap}.tag--blue{background:var(--blue-soft);color:var(--blue-deep)}.tag--gold{background:var(--gold-soft);color:var(--gold-ink)}.tag--neutral{background:#1f29330f;color:var(--ink-2)}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--line-strong)}.grid{display:grid;gap:20px}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}@media(max-width:900px){.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}.section{padding:52px 0}}.prose{max-width:var(--maxw-prose);font-size:16.5px;line-height:1.85;color:var(--ink-2)}.prose h2{font-size:24px;margin-top:2em;padding-top:.4em;border-top:1px solid var(--line)}.prose h2:first-of-type{border-top:none;margin-top:1.2em}.prose h3{font-size:19px;margin-top:1.8em}.prose p{margin:1em 0}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin:.35em 0}.prose blockquote{margin:1.4em 0;padding:12px 20px;border-left:3px solid var(--green);background:var(--green-soft);border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--ink-2)}.prose code{background:#1f293312;padding:2px 6px;border-radius:6px}.prose pre{background:#f0f3f2;border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 20px;overflow-x:auto;line-height:1.6}.prose pre code{background:none;padding:0}.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line-strong);padding:8px 14px;text-align:left;white-space:nowrap}.prose th{background:var(--bg-soft);font-weight:600}.prose hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}.prose .footnotes{font-size:14px;color:var(--muted);border-top:1px solid var(--line);margin-top:3em;padding-top:1em}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}.site-nav[data-astro-cid-dmqpwcec]{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-inner[data-astro-cid-dmqpwcec]{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}.brand[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:10px;color:var(--ink)}.brand[data-astro-cid-dmqpwcec]:hover{text-decoration:none}.brand-mark[data-astro-cid-dmqpwcec]{width:36px;height:36px;border-radius:var(--radius-m);background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;font-weight:700;display:grid;place-items:center;font-size:18px}.brand-text[data-astro-cid-dmqpwcec]{display:flex;flex-direction:column;line-height:1.2}.brand-text[data-astro-cid-dmqpwcec] strong[data-astro-cid-dmqpwcec]{font-size:16px}.brand-text[data-astro-cid-dmqpwcec] small[data-astro-cid-dmqpwcec]{font-size:10px;letter-spacing:.14em;color:var(--muted)}.nav-links[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:4px}.nav-link[data-astro-cid-dmqpwcec]{padding:8px 14px;border-radius:var(--radius-m);color:var(--ink-2);font-size:15px;font-weight:500}.nav-link[data-astro-cid-dmqpwcec]:hover{color:var(--green-deep);background:var(--green-soft);text-decoration:none}.nav-link[data-astro-cid-dmqpwcec].active{color:var(--green-deep);background:var(--green-soft);font-weight:600}.nav-cta[data-astro-cid-dmqpwcec]{margin-left:10px;padding:8px 18px;font-size:14px}.nav-burger[data-astro-cid-dmqpwcec]{display:none;flex-direction:column;gap:5px;padding:10px;cursor:pointer;border:0;background:transparent}.nav-burger[data-astro-cid-dmqpwcec] span[data-astro-cid-dmqpwcec]{width:22px;height:2px;background:var(--ink);border-radius:1px;transition:transform .2s ease,opacity .2s ease}.nav-backdrop[data-astro-cid-dmqpwcec]{display:none}@media(max-width:760px){.nav-burger[data-astro-cid-dmqpwcec]{display:flex}.nav-links[data-astro-cid-dmqpwcec]{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg-card);border-bottom:1px solid var(--line);padding:12px 20px 20px;gap:2px;display:none;box-shadow:var(--shadow-lift);z-index:52;max-height:calc(100dvh - var(--nav-h));overflow-y:auto}.nav-link[data-astro-cid-dmqpwcec]{padding:12px 14px;border-radius:var(--radius-s)}.nav-cta[data-astro-cid-dmqpwcec]{margin:8px 0 0;justify-content:center}.nav-links[data-astro-cid-dmqpwcec].is-open{display:flex}.nav-burger[data-astro-cid-dmqpwcec].is-open span[data-astro-cid-dmqpwcec]:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-burger[data-astro-cid-dmqpwcec].is-open span[data-astro-cid-dmqpwcec]:nth-child(2){opacity:0}.nav-burger[data-astro-cid-dmqpwcec].is-open span[data-astro-cid-dmqpwcec]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-backdrop[data-astro-cid-dmqpwcec]{position:fixed;inset:var(--nav-h) 0 0;z-index:51;border:0;background:#0f172a5c;cursor:default}.nav-backdrop[data-astro-cid-dmqpwcec].is-open{display:block}body.nav-open{overflow:hidden}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--ink);color:#cbd5e1;padding:56px 0 28px;margin-top:40px}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-logo[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:12px}.footer-logo[data-astro-cid-sz7xmlte] .mark[data-astro-cid-sz7xmlte]{width:32px;height:32px;border-radius:var(--radius-s);background:linear-gradient(135deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;display:grid;place-items:center;font-weight:700}.muted[data-astro-cid-sz7xmlte]{color:#94a3b8;font-size:13px;letter-spacing:.08em;margin:4px 0}.motto[data-astro-cid-sz7xmlte]{color:#e2e8f0;font-size:15px;margin:12px 0 0}.footer-title[data-astro-cid-sz7xmlte]{display:block;font-size:13px;font-weight:600;color:#94a3b8;letter-spacing:.1em;margin-bottom:14px}.footer-links[data-astro-cid-sz7xmlte],.footer-contact[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:8px}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte],.footer-contact[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#cbd5e1;font-size:14.5px}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover,.footer-contact[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--green)}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:13.5px;color:#94a3b8}.to-top[data-astro-cid-sz7xmlte]{color:#cbd5e1}.to-top[data-astro-cid-sz7xmlte]:hover{color:var(--green)}@media(max-width:760px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:28px}}