:root{--travel-ink:#203b32;--travel-muted:#6e7a71;--travel-paper:#f7f6f0;--travel-line:#dfe3d9;--travel-accent:#315e4c;--travel-header-height:68px;--travel-nav-height:64px}
.travel-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:18px;min-height:68px;padding:12px clamp(18px,4vw,64px);border-bottom:1px solid var(--travel-line);background:#fafaf6;color:var(--travel-ink);font:14px/1.5 "PingFang SC","Microsoft YaHei",system-ui,sans-serif;box-sizing:border-box}
.travel-header a{text-decoration:none;color:var(--travel-ink)}
.travel-brand{display:inline-flex;align-items:center;gap:10px;font-weight:750;font-size:18px;white-space:nowrap;letter-spacing:1px}
.travel-mark{display:inline-grid;place-items:center;width:29px;height:29px;background:var(--travel-ink);color:#fff;border-radius:50%;font:23px/1 system-ui}
.travel-divider{color:#a8b0a7}.travel-current{color:var(--travel-muted);white-space:nowrap}
.travel-switch{margin-left:auto;display:flex;align-items:center;gap:6px}
.travel-switch a{padding:7px 12px;border-radius:7px;white-space:nowrap}
.travel-switch a:hover{background:#edf0e7}.travel-switch a[aria-current]{background:#e4ebe1;font-weight:700}
.travel-switch .travel-home{color:var(--travel-muted);margin-right:12px}
.travel-reference-toggle{display:none;border:1px solid #b4c3b7;border-radius:7px;padding:7px 10px;color:var(--travel-ink);background:#fafaf6;font:inherit;cursor:pointer}
.travel-header a:focus-visible,.travel-header button:focus-visible,.travel-footer a:focus-visible{outline:3px solid #6b8f76;outline-offset:3px}
.travel-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:32px auto 0;padding:24px clamp(18px,4vw,64px);border-top:1px solid var(--travel-line);font:13px/1.6 "PingFang SC",system-ui,sans-serif;color:var(--travel-muted)}
.travel-footer a{color:var(--travel-ink);text-decoration:none}
@media(max-width:640px){.travel-header{gap:8px;min-height:64px;padding:10px 14px}.travel-brand{font-size:16px;gap:7px}.travel-mark{width:25px;height:25px;font-size:20px}.travel-current,.travel-divider,.travel-switch .travel-home{display:none}.travel-switch{gap:2px}.travel-switch a{padding:6px 9px}.travel-footer{padding:20px 18px;font-size:12px}}
@media print{.travel-header,.travel-footer{display:none!important}}