:root{color-scheme:light;--bg-1:#fffdf8;--bg-2:#fff;--fg-1:#17231f;--fg-2:#66706c;--accent-1:#ffbc42;--accent-2:#214f44;--soft-1:#fff0c4;--line-1:#e8e5dc;--danger-1:#d95050;--error-1:#fbeae7;--pressed-1:#e9eee9;--placeholder-1:#929b95;--candidate-1:#fff5da;--candidate-line-1:#e6d9b1;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--weight-regular:400;--weight-medium:600;--weight-bold:700;--size-12:12px;--size-13:13px;--size-14:14px;--size-15:15px;--size-16:16px;--size-19:19px;--size-21:21px;--size-28:28px;--size-32:32px;--h1:var(--size-32);--h2:var(--size-21);--component-title:var(--size-19);--body:var(--size-15);--caption:var(--size-13);--surface-primary:var(--bg-1);--surface-card:var(--bg-2);--surface-notice:var(--soft-1);--text-primary:var(--fg-1);--text-secondary:var(--fg-2);--text-on-accent:var(--fg-1);--text-on-strong:var(--bg-2);--action-primary:var(--accent-1);--brand-strong:var(--accent-2);--border-subtle:var(--line-1);--radius-card:20px;--radius-button:24px;--radius-input:15px;--radius-notice:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--legacy-site-ink:#1b2925;--legacy-site-muted:#59675f;--legacy-site-link:#176653;--legacy-site-line:#e8e4db;--motion-fast:.16s;--ease-standard:ease-out;color-scheme:light;color:#17231f;font-synthesis:none;background:#fffdf8;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.7}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:#176653}a:focus-visible{outline-offset:5px;border-radius:3px;outline:3px solid #176653}img{max-width:100%;display:block}.shell{width:min(1160px,100% - 80px);margin-inline:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.025em;line-height:1.4}p{color:#59675f}h1{font-size:clamp(36px,4.7vw,64px)}.skip-link{z-index:9;background:#ffbc42;padding:12px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid #e8e5dc;justify-content:space-between;align-items:center;gap:20px;height:100px;display:flex}.brand{white-space:nowrap;align-items:center;gap:12px;font-size:24px;font-weight:750;display:flex}.brand img{border-radius:10px}.site-header nav{gap:32px;display:flex}.site-header nav a{align-items:center;min-height:44px;font-size:15px;display:flex}.site-header [aria-current]{color:#214f44;font-weight:650}.hero{grid-template-columns:1.35fr 1fr;align-items:center;gap:72px;padding:80px 0 76px;display:grid}.eyebrow{letter-spacing:.08em;color:#214f44;margin-bottom:20px;font-size:13px;font-weight:600}.hero h1{margin-bottom:24px;font-weight:750;line-height:1.25}.hero h1 span{z-index:0;white-space:nowrap;position:relative}.hero h1 span:after{content:"";z-index:-1;background:#ffbc42;height:14px;position:absolute;inset:auto -2px 6px}.hero-description{margin-bottom:30px;font-size:18px;line-height:1.9}.button{color:#17231f;background:#ffbc42;border-radius:100px;justify-content:center;align-items:center;gap:28px;min-height:48px;padding:12px 24px;font-size:15px;font-weight:650;display:inline-flex}.button:hover{color:#17231f;background:#f4b236}.hero-note{background:#f5f2e9;border-radius:20px;padding:34px 36px;transform:rotate(1deg)}.hero-note .eyebrow{margin-bottom:20px}.note-title{color:#17231f;font-size:23px;font-weight:650}.hero-note ol{margin:0;padding:0;list-style:none}.hero-note li{border-bottom:1px solid #dfded4;gap:20px;padding:15px 0;font-size:17px;display:flex}.hero-note li span{color:#66766d;font-variant-numeric:tabular-nums;align-self:center;font-size:12px}.note-caption{margin:24px 0 0;font-size:13px}.section-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;display:flex}.section-heading h2{margin:0;font-size:25px}.section-heading>span,.section-heading>a{color:#59675f;white-space:nowrap;font-size:14px}.article-section{scroll-margin-top:24px}.category-nav{flex-wrap:wrap;gap:10px;margin-bottom:30px;display:flex}.category-nav a{border:1px solid #e8e5dc;border-radius:100px;min-height:44px;padding:9px 20px;font-size:14px}.category-nav a.active{color:#fff;background:#214f44;border-color:#214f44}.category-nav a:hover:not(.active){background:#f3f1e9}.article-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.article-card{background:#fff;border:1px solid #e8e5dc;border-radius:16px;flex-direction:column;min-width:0;padding:30px;transition:border-color .15s;display:flex;position:relative}.article-card:hover{border-color:#8b9c93}.article-card .eyebrow{justify-content:space-between;gap:12px;margin-bottom:22px;font-size:12px;display:flex}.article-card .eyebrow span{letter-spacing:0;color:#68756f;font-weight:400}.article-card h2{margin-bottom:14px;font-size:24px}.article-card h2 a:after{content:"";border-radius:16px;position:absolute;inset:0}.article-card p{margin-bottom:26px;font-size:15px;line-height:1.9}.article-card.featured{background:#fff2c9}.card-bottom{color:#59675f;justify-content:space-between;gap:16px;margin-top:auto;font-size:12px;display:flex}.card-bottom span{color:#214f44;font-weight:600}.product-strip{border-block:1px solid #e8e5dc;justify-content:space-between;align-items:center;gap:30px;margin-top:64px;padding:34px 0;display:flex}.product-strip .eyebrow{margin-bottom:10px}.product-strip h2{margin-bottom:8px;font-size:24px}.product-strip p:last-child{margin:0;font-size:15px}.button-secondary{color:#fff;white-space:nowrap;background:#214f44}.button-secondary:hover{color:#fff;background:#176653}.site-footer{grid-template-columns:1fr 1fr;gap:20px;padding:56px 0 32px;display:grid}.footer-name{font-size:21px;font-weight:700}.site-footer p{margin:10px 0 0;font-size:13px}.footer-links{flex-wrap:wrap;place-content:flex-start flex-end;gap:12px 22px;font-size:13px;display:flex}.footer-links a{align-items:center;min-height:44px;display:inline-flex}.footer-note{grid-column:1/-1;color:#6b766f!important}.listing-heading{max-width:760px;padding:52px 0 24px}.listing-heading h1{margin-bottom:16px;font-size:44px}.back-link{color:#214f44;min-height:44px;margin-bottom:24px;font-size:14px;display:inline-block}.listing-heading .eyebrow{margin-bottom:12px}.breadcrumbs{color:#59675f;align-items:center;gap:14px;min-height:44px;padding:28px 0;font-size:13px;display:flex}.breadcrumbs a{padding:8px 0}.article-header{max-width:820px;margin:16px 0 42px}.article-header h1{margin-bottom:20px;font-size:clamp(30px,4vw,44px);line-height:1.45}.article-header .eyebrow{margin-bottom:12px}.article-lead{font-size:18px;line-height:1.9}.article-meta{color:#59675f;flex-wrap:wrap;gap:12px 22px;font-size:12px;display:flex}.reading-layout{border-top:1px solid #e8e5dc;grid-template-columns:minmax(0,760px) minmax(200px,1fr);gap:70px;padding-top:40px;display:grid}.prose{min-width:0;font-size:17px;line-height:1.95}.prose p,.prose li{color:#34453d}.prose h2{margin:42px 0 18px;scroll-margin-top:24px;font-size:26px}.prose h2:first-child{margin-top:0}.prose h3{margin:28px 0 14px;font-size:20px}.prose ul,.prose ol{padding-left:1.5em}.prose li+li{margin-top:8px}.prose a{text-underline-offset:4px;color:#176653;text-decoration:underline}.prose blockquote{background:#f4f1e8;border-radius:12px;margin:24px 0;padding:22px 26px}.prose blockquote p:last-child{margin-bottom:0}.prose pre{border:1px solid #e8e5dc;border-radius:12px;padding:20px;font-size:14px;overflow-x:auto}.reading-note{color:#657269;border-top:1px solid #e8e5dc;margin-top:40px;padding-top:20px;font-size:13px}.toc{align-self:start;font-size:13px;position:sticky;top:32px}.toc>p{color:#17231f;font-weight:650}.toc ol{margin:0;padding:0;list-style:none}.toc li{margin:0 0 8px}.toc li a{color:#59675f;padding:10px 0;display:block}.toc li a:hover{color:#176653}.toc-product{color:#214f44;border-top:1px solid #e8e5dc;margin-top:24px;padding-top:20px;display:block}.related{border-top:1px solid #e8e5dc;margin-top:72px;padding-top:36px}@media (width<=820px){.shell{width:calc(100% - 40px)}.hero{gap:32px;padding:48px 0}.hero-note{padding:24px}.reading-layout{grid-template-columns:1fr;gap:24px}.toc{background:#f5f2e9;border-radius:12px;grid-row:1;padding:20px;position:static}.toc ol{grid-template-columns:1fr 1fr;gap:0 20px;display:grid}.toc-product{display:none}.article-header{margin-bottom:30px}.prose{max-width:760px}}@media (width<=600px){.site-header{height:80px}.brand{gap:8px;font-size:21px}.brand img{width:30px;height:30px}.site-header nav{gap:18px}.site-header nav a{font-size:13px}.hero{grid-template-columns:1fr;gap:30px;padding:40px 0}.hero h1{font-size:46px}.hero-description{font-size:16px}.hero-note{transform:none}.hero-note li{padding:10px 0;font-size:15px}.hero-note .note-title{margin-bottom:12px;font-size:20px}.note-caption{margin-top:16px}.section-heading{align-items:flex-start}.section-heading h2{font-size:21px}.section-heading>span{margin-top:4px;font-size:12px}.category-nav{gap:8px;margin-bottom:20px}.category-nav a{padding:9px 13px;font-size:13px}.article-grid{grid-template-columns:1fr;gap:16px}.article-card{padding:24px}.article-card h2{font-size:22px}.article-card .eyebrow{margin-bottom:16px}.product-strip{margin-top:40px;display:block}.product-strip .button{margin-top:22px}.product-strip h2{font-size:22px}.site-footer{grid-template-columns:1fr;padding-top:36px}.footer-links{justify-content:flex-start}.listing-heading h1{font-size:36px}.toc ol{grid-template-columns:1fr}.article-lead,.prose{font-size:16px}.prose h2{font-size:23px}.prose blockquote{padding:18px}.related{margin-top:44px}}.info-page{max-width:760px}.product-intro{max-width:820px;padding:0 0 48px}.product-intro h2{font-size:25px}.product-intro a,.template-back a{color:#176653;text-underline-offset:4px;text-decoration:underline}.article-figure{margin:0 0 28px}.article-figure img{border-radius:20px;width:160px;height:auto}.article-figure figcaption{color:#59675f;margin-top:10px;font-size:13px}.plan-sheet{background:#fff;border:1px solid #e8e5dc;border-radius:16px;max-width:800px;padding:28px}.plan-sheet label{margin:18px 0;font-weight:600;display:block}.plan-sheet input,.plan-sheet textarea{width:100%;font:inherit;color:#17231f;background:#fffdf8;border:1px solid #c5cec7;border-radius:8px;margin-top:8px;padding:12px;font-size:16px;display:block}.plan-sheet textarea{resize:vertical}.plan-sheet fieldset{border:1px solid #e8e5dc;border-radius:12px;min-width:0;margin:24px 0;padding:0 16px}.plan-sheet legend{padding:0 8px;font-weight:600}.template-back{margin-top:28px}.prose img{max-width:100%;height:auto}.prose .button{white-space:normal;color:#fff;text-decoration:none}.site-header nav{flex-wrap:wrap;gap:20px}@media (width<=600px){.site-header nav,.site-header{gap:12px}.plan-sheet{padding:16px}.product-intro h2{font-size:22px}.brand{font-size:18px}}@media print{.site-header,.site-footer,.template-back,.skip-link,.listing-heading .button{display:none}.shell{width:100%}.plan-sheet{border:0;padding:0}.plan-sheet textarea{height:auto;min-height:70px}fieldset{break-inside:avoid}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}