.product-header{z-index:40;border-bottom:1px solid var(--line);background:var(--panel);width:100%;min-height:72px;color:var(--ink);flex:none;justify-content:space-between;align-items:center;gap:24px;padding:12px 24px;font:14px/1.6 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;display:flex;position:sticky;top:0}.product-header__brand{white-space:nowrap;flex:none;align-items:center;gap:10px;display:flex}.product-header__mark{background:var(--brand);width:38px;height:38px;color:var(--brand-ink);border-radius:11px;flex:0 0 38px;place-items:center;font-weight:700;display:grid}.product-header__brand strong{font-size:15px;font-weight:650;display:block}.product-header__brand small{color:var(--muted);margin-top:3px;font-size:11px;display:block}.product-header__controls{justify-content:flex-end;align-items:center;gap:18px;min-width:0;display:flex}.product-header__nav{flex:none;align-items:center;gap:4px;display:flex}.product-header__nav a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:8px 12px;font-size:13px}.product-header__nav a:hover{background:var(--panel-soft)}.product-header__nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}.product-header__nav a.wps:after{content:"内测";color:#1a5b96;background:#e8f0fa;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:10px}.product-header__credit{border:1px solid var(--line);background:var(--panel-muted);white-space:nowrap;border-radius:22px;flex:none;justify-content:center;align-items:center;gap:10px;min-width:138px;padding:7px 12px;font-size:12px;display:flex}.product-header__credit b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:15px}.product-header__muted{color:var(--muted)}.product-header__held{color:var(--warning);font-size:11px}.product-header__account{min-width:96px;max-width:180px;color:var(--muted);align-items:center;gap:8px;font-size:12px;display:flex}.product-header__account>span:last-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.product-header__avatar{background:var(--panel-soft);border-radius:50%;flex:0 0 30px;place-items:center;width:30px;height:30px;font-size:11px;display:grid}.product-header__error{color:var(--danger);font-size:12px}.product-header__error button{cursor:pointer;margin-left:8px}@media (max-width:1180px){.product-header{grid-template-columns:auto minmax(0,1fr);gap:10px 16px;display:grid}.product-header__controls{display:contents}.product-header__brand{grid-area:1/1}.product-header__credit{grid-area:1/2;justify-self:end;margin-right:116px}.product-header__account{grid-area:1/2;justify-self:end;max-width:104px}.product-header__nav{grid-area:2/1/auto/-1;min-width:0;overflow-x:auto}.product-header__error{grid-column:1/-1}}@media (max-width:600px){.product-header{gap:10px;padding:12px 16px}.product-header__brand strong{font-size:14px}.product-header__brand small{display:none}.product-header__credit{gap:4px;min-width:0;margin-right:38px;padding:5px 8px}.product-header__credit b{font-size:12px}.product-header__muted,.product-header__held,.product-header__account>span:last-child{display:none}.product-header__account{min-width:30px}}