:root{--bg:#fff;--surface:#fff;--surface-2:#f5f5f3;--text:#1c1b1a;--text-2:#6e6a64;--line:#e9e7e3;--accent:#3d6749;--accent-strong:#2e523a;--accent-soft:#eaf0eb;--radius:6px;--radius-lg:10px;--btn-radius:8px;--chip-radius:6px;--section-y:96px;--shadow-lg:0 12px 36px #0000001a;--font-body:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;--font-display:Georgia, "Songti SC", "STSong", "Noto Serif CJK SC", "SimSun", serif;--container:1200px;--band-bg:#131a15;--band-text:#ffffffc7;--band-heading:#fff;--band-kicker:#ffffff8c;--glass-bg:#ffffffdb}*,:before,:after{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100dvh;margin:0;font-size:16px;line-height:1.75;display:flex}body>main{flex:1 0 auto}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none;transition:color .18s}h1,h2,h3{margin:0 0 .5em;font-weight:600;line-height:1.3}p{margin:0 0 1em}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.skip-link{z-index:100;background:var(--accent);color:#fff;border-radius:0 0 8px 8px;padding:10px 18px;font-size:14px;transition:top .2s;position:fixed;top:-60px;left:16px}.skip-link:focus{top:0}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}html{scroll-behavior:auto}}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.section{padding:var(--section-y) 0}@media (width>=768px){:root{--section-y:128px}}.section-head{margin-bottom:36px}.section-head .kicker{color:var(--accent);letter-spacing:4px;margin-bottom:6px;font-size:14px}.section-head h2{font-family:var(--font-display);font-size:clamp(26px,4vw,36px)}.section-head 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a[data-astro-cid-nen7h5rs]:hover{color:var(--accent);background:var(--accent-soft)}.nav-desktop[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs].is-active{color:var(--text);text-underline-offset:7px;text-decoration:underline 1.5px}.nav-toggle[data-astro-cid-nen7h5rs]{cursor:pointer;background:0 0;border:0;gap:5px;padding:10px;display:grid}.nav-toggle[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:var(--text);border-radius:2px;width:22px;height:2px;transition:transform .2s,opacity .2s}.nav-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:first-child{transform:translateY(7px)rotate(45deg)}.nav-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:nth-child(2){opacity:0}.nav-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] span[data-astro-cid-nen7h5rs]:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.nav-mobile[data-astro-cid-nen7h5rs]{border-top:1px solid var(--line);padding:8px 20px 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