:root{--ink:#142438;--line:#e6e6e6;--muted:#6e747b}html{scroll-padding-top:42px}.environment-header{position:sticky;top:0;z-index:30;background:#fff;box-shadow:0 1px 3px #00000010;color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif}.environment-header .utility{height:42px;display:flex;align-items:center;justify-content:flex-end;gap:64px;padding:0 max(5.3vw,24px);border-bottom:1px solid var(--line);font-size:11px;letter-spacing:1.05px;white-space:nowrap}.environment-home{margin-right:auto}.environment-header button{padding:10px 0;font:inherit;letter-spacing:inherit;color:inherit;border:0;background:none;cursor:pointer}.environment-header a:hover,.environment-header button:hover{color:#9d714b}.environment-header a:focus-visible,.environment-header button:focus-visible{outline:2px solid #9d714b;outline-offset:4px}.environment-header .chevron{width:9px;height:9px;border:solid #111;border-width:0 2px 2px 0;display:inline-block;transform:rotate(45deg);margin:0 0 3px 8px}.environment-header .language{position:relative;z-index:2}.environment-header #language-menu{position:absolute;right:0;top:35px;width:156px;background:white;box-shadow:0 4px 20px #0002;border:1px solid var(--line)}.environment-header #language-menu button{display:block;width:100%;text-align:left;padding:14px}.environment-header [hidden]{display:none!important}.environment-dialog{border:0;box-shadow:0 15px 90px #0003;width:min(560px,90vw);max-height:85vh;padding:45px;color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif}.environment-dialog::backdrop{background:#101a2870}.environment-dialog .close{position:absolute;top:12px;right:17px;font-size:28px;background:none;border:0;color:inherit;cursor:pointer}.environment-dialog .dialog-title{font:400 28px Georgia,'SimSun',serif;margin:8px 0 25px}.environment-dialog .eyebrow{font-size:10px;letter-spacing:2.2px;margin:0 0 23px}.environment-dialog .dialog-action{display:inline-block;background:var(--ink);color:#fff;padding:13px 22px;font-size:13px;border:0;cursor:pointer}.environment-dialog input:focus-visible,.environment-dialog button:focus-visible{outline:2px solid #9d714b;outline-offset:3px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:14px 24px;z-index:40;font:13px Arial,'Microsoft YaHei',sans-serif;opacity:0;pointer-events:none;transition:opacity .2s}#toast.visible{opacity:1}
@media(max-width:800px){.environment-header .utility{gap:22px;padding:0 20px}}@media(max-width:550px){.environment-header .utility{gap:12px;padding:0 12px;font-size:9px;letter-spacing:.3px}.environment-header .chevron{width:7px;height:7px;margin-left:4px}.environment-dialog{padding:34px 24px}}

/* Shared homepage footer, scoped to this content page. */
.environment-footer{padding:35px 5.3vw;background:#f5f4f1;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif}.environment-footer .footer-brand{font:28px Georgia,serif;color:#111}.environment-footer p,.environment-footer>span{font-size:10px;letter-spacing:1px;color:#66717b}.environment-footer p{margin:1em 0}
@media(max-width:620px){.environment-footer{flex-direction:column;align-items:flex-start;padding:30px 7vw;gap:14px}.environment-footer p{margin:0}}
@media(max-width:550px){.environment-header .environment-home{display:none}.environment-header .utility{justify-content:space-between;gap:10px;min-height:42px;height:auto;flex-wrap:wrap;padding:6px 12px;font-size:9px;letter-spacing:.2px}}