/* Shared chrome is intentionally isolated from legacy article styles. */
.pe-header,.pe-footer{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;box-sizing:border-box;line-height:1.5;letter-spacing:normal}
.pe-header *,.pe-footer *{box-sizing:border-box}
.pe-header{background:#fff;color:#172e29;border-bottom:1px solid #e2e7e3;width:100%;position:relative;z-index:2}
.pe-header-inner{max-width:1240px;margin:auto;padding:20px 36px;display:flex;align-items:center;gap:24px;min-height:84px}
.pe-brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:750;letter-spacing:-.6px;text-decoration:none;color:#172e29!important;white-space:nowrap}
.pe-brand-logo{display:block;width:44px;height:44px;flex-shrink:0;object-fit:contain}
.pe-nav{margin-left:auto;display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}
.pe-nav a{color:#344c44;text-decoration:none}
.pe-nav .pe-start{border:1px solid #244d3f;border-radius:7px;padding:10px 17px;color:#173b2f}
.pe-header a:hover,.pe-footer a:hover{text-decoration:underline;text-underline-offset:4px}
.pe-header a:focus-visible,.pe-header button:focus-visible,.pe-footer a:focus-visible{outline:3px solid #617e14;outline-offset:4px}
.pe-header #leftmenu_oc_button{width:auto;height:auto;margin:0;border:1px solid #ccd7d1;background:#fff;border-radius:7px;color:#244d3f;font-size:13px;font-weight:600;line-height:1.5;font-family:inherit;padding:8px 12px;cursor:pointer}
.pe-header #leftmenu_open,.pe-header #leftmenu_close{padding:0;font-size:13px}
.pe-header #leftmenu_open{display:block}.pe-header #leftmenu_close{display:none}
@media(min-width:1200px){.pe-header #leftmenu_oc_button{display:none}}
.pe-footer{clear:both;width:100%;background:#eef2ec;border-top:1px solid #dce4db;color:#3f544a;font-size:14px;margin-top:64px}
.pe-footer-inner{max-width:1240px;margin:auto;padding:52px 36px 24px}
.pe-footer-top{display:grid;grid-template-columns:1fr 1.8fr;gap:70px}
.pe-footer-intro p{font-size:14px;line-height:1.6;margin:18px 0 0;max-width:280px;color:#40554c}
.pe-footer-intro .pe-footer-note{font-size:13px;color:#5a6c61;margin-top:6px}
.pe-reference{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.pe-reference h2{font:700 12px/1.5 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:1px;text-transform:uppercase;color:#203b2d;margin:0 0 16px;clear:none}
.pe-reference a{display:block;color:#4b5d52;text-decoration:none;font-size:13px;margin-bottom:9px}
.pe-language-columns{display:grid;grid-template-columns:1fr 1fr;column-gap:18px}
.pe-footer-bottom{border-top:1px solid #d5dfd3;margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:18px;font-size:12px}
.pe-footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px}.pe-footer-bottom a{color:#4b5d52;text-decoration:none}
.pe-skip{position:absolute;top:-100px;left:16px;z-index:10;background:#173f34;color:white;padding:12px}.pe-skip:focus{top:8px}
@media(max-width:800px){.pe-header-inner{padding:16px 20px;gap:12px}.pe-brand{font-size:17px}.pe-nav{gap:16px}.pe-footer-top{grid-template-columns:1fr;gap:32px}.pe-footer-inner{padding:36px 20px 24px}.pe-footer-bottom{flex-direction:column}}
@media(max-width:480px){.pe-header-inner{flex-wrap:wrap}.pe-nav{gap:12px;font-size:12px}.pe-nav .pe-start{padding:8px 10px}.pe-brand-logo{width:44px;height:44px}.pe-brand{font-size:15px}.pe-reference{grid-template-columns:1fr 1fr;gap:24px}.pe-reference section:first-child{grid-column:1/-1}.pe-language-columns{grid-template-columns:repeat(3,1fr)}}