:root{color-scheme:light;--forest:#25483f;--forest-deep:#1c382f;--ink:#29372f;--muted:#626b60;--line:#d7d8cd;--paper:#ecebdf;--accent:#9c513c;--serif:Georgia,"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-family:var(--sans);color:var(--ink);font-synthesis:none;background:#f6f2e9}*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.7}a{color:var(--forest);text-decoration:none}a:hover{text-underline-offset:4px;text-decoration:underline}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #c77d52}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.5}img{max-width:100%;height:auto}svg{flex-shrink:0}.container{width:min(1160px,100% - 80px);margin-inline:auto}.eyebrow{letter-spacing:.17em;text-transform:uppercase;font-size:11px;font-weight:600}.text-link{font-size:13px;font-weight:600}.text-link span{margin-left:14px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:10;background:#fff;padding:12px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:10px}.utility-bar{background:var(--forest);color:#f3f0e6;letter-spacing:.04em;font-size:12px}.utility-inner{justify-content:space-between;align-items:center;min-height:30px;display:flex}.utility-links{align-items:center;gap:28px;display:flex}.utility-bar a{color:inherit}.lang-switch{align-items:center;gap:10px;display:flex}.lang-switch a{opacity:.65}.lang-switch a[aria-current]{opacity:1}.masthead{justify-content:space-between;align-items:center;gap:24px;min-height:88px;display:flex}.brand{color:var(--forest);align-items:center;gap:17px;display:flex}.brand:hover{text-decoration:none}.brand-mark{width:39px;height:47px}.brand-name{font:500 34px/1.25 var(--serif);letter-spacing:.07em;display:block}.brand-caption{letter-spacing:.2em;margin-top:6px;font-size:10px;display:block}.masthead-note{font-family:var(--serif);color:var(--muted);letter-spacing:.08em;margin:0;font-size:14px}.navigation-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.navigation-inner{justify-content:space-between;align-items:center;gap:30px;display:flex}.primary-nav{align-self:stretch;gap:38px;display:flex}.primary-nav a{border-bottom:3px solid #0000;align-items:center;min-height:47px;padding-top:3px;font-size:14px;display:flex}.primary-nav a[aria-current]{border-color:var(--forest);font-weight:600}.nav-search{border-left:1px solid var(--line);align-items:center;width:270px;padding-left:20px;display:flex}.nav-search input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;padding:8px;font-size:13px}.nav-search button{color:var(--forest);background:0 0;border:0;justify-content:center;align-items:center;padding:10px;display:flex}.site-footer{background:var(--forest-deep);color:#d5ddcd;margin-top:80px}.site-footer a{color:inherit}.footer-top{justify-content:space-between;gap:35px;padding-block:42px;display:flex}.footer-name{font:26px var(--serif);letter-spacing:.06em;color:#fff!important}.footer-top p{color:#b8c5b5;margin:13px 0 0;font-size:12px}.footer-top nav{align-items:center;gap:32px;font-size:13px;display:flex}.footer-bottom{letter-spacing:.04em;color:#b8c5b5;border-top:1px solid #405a49;justify-content:space-between;gap:20px;padding-block:20px;font-size:12px;display:flex}@media (width<=760px){.container{width:calc(100% - 40px)}.masthead{min-height:84px}.brand-name{font-size:30px}.brand-mark{width:39px;height:49px}.masthead-note{display:none}.navigation-inner{flex-wrap:wrap;gap:12px}.primary-nav{justify-content:space-between;gap:12px;width:100%}.primary-nav a{min-height:48px;font-size:13px}.nav-search{border-left:0;border-top:1px solid var(--line);width:100%;margin-top:-12px;padding:2px 0}.utility-links{gap:18px}.footer-top{flex-direction:column;padding-block:30px}.footer-top nav{flex-wrap:wrap;gap:24px}.footer-bottom{flex-direction:column;gap:6px}.site-footer{margin-top:48px}}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}@media (width<=760px){html[lang=en] .brand-name{letter-spacing:.025em;font-size:clamp(23px,6.8vw,30px)}}@media print{.site-header,.site-footer,.skip-link{display:none}.container{width:100%}body{color:#000;background:#fff}}.mobile-nav-toggle{display:none}select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media (width<=760px){.navigation-bar[data-enhanced] .navigation-inner{gap:0 12px}.navigation-bar[data-enhanced] .mobile-nav-toggle{min-height:48px;color:var(--forest);background:0 0;border:0;align-items:center;gap:10px;padding:0 8px 0 0;font-size:14px;display:flex}.navigation-bar[data-enhanced] .primary-nav{border-top:1px solid var(--line);flex-basis:100%;order:3;display:none}.navigation-bar[data-enhanced][data-open] .primary-nav{flex-wrap:wrap;display:flex}.navigation-bar[data-enhanced] .primary-nav a{min-height:48px}.navigation-bar[data-enhanced] .nav-search{border-top:0;flex:1;width:auto;min-width:0;margin:0;padding:0}.nav-search input{font-size:16px}.nav-search button{min-width:44px;min-height:48px}.lang-switch a{align-items:center;min-height:36px;display:inline-flex}.article-topics a{align-items:center;min-height:40px;display:inline-flex}.site-footer{padding-bottom:env(safe-area-inset-bottom)}}