.op-root{--op-paper:#fbfaf8;--op-surface:#fff;--op-surface-2:#f5f3ef;--op-ink:#16202b;--op-ink-2:#495764;--op-ink-3:#5f6b78;--op-accent:#1b5c78;--op-accent-dark:#14485e;--op-tint:#eef4f7;--op-tint-2:#e3edf2;--op-line:#e3ded6;--op-line-strong:#cfc8bd;--op-t-display:40px;--op-t-h1:32px;--op-t-h2:24px;--op-t-h3:19px;--op-t-lead:18px;--op-t-body:16px;--op-t-table:15px;--op-t-small:14px;--op-t-fine:13px;--op-radius:14px;--op-radius-sm:10px;background:var(--op-paper);color:var(--op-ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}.op-root h1,.op-root h2,.op-root h3{letter-spacing:-.018em;text-wrap:balance}.op-root h1{font-size:var(--op-t-h1);line-height:1.12}@media (min-width:1024px){.op-root h1{font-size:var(--op-t-display)}}.op-root p{text-wrap:pretty}.op-root [lang=zh]{line-height:1.85}.op-root a{color:var(--op-accent);text-underline-offset:.18em;text-decoration-thickness:from-font;transition:color .12s}.op-root a:hover{color:var(--op-accent-dark)}.op-root :focus-visible{outline:2px solid var(--op-accent);outline-offset:2px;border-radius:4px}.op-root table{border-collapse:collapse;width:100%;font-size:var(--op-t-table)}.op-root thead th{background:var(--op-surface-2);color:var(--op-ink-2);text-align:left;border-bottom:1px solid var(--op-line-strong);white-space:nowrap;padding:10px 16px 10px 0;font-weight:600}.op-root thead th:first-child{border-top-left-radius:var(--op-radius-sm);border-bottom-left-radius:var(--op-radius-sm);padding-left:12px}.op-root thead th:last-child{border-top-right-radius:var(--op-radius-sm);border-bottom-right-radius:var(--op-radius-sm);padding-right:12px}.op-root tbody td{border-bottom:1px solid var(--op-line);vertical-align:top;padding:12px 16px 12px 0;line-height:1.55}.op-root tbody td:first-child{padding-left:12px}.op-root tbody tr:last-child td{border-bottom:none}.op-root td,.op-root th{font-variant-numeric:tabular-nums}.op-root .op-scroll{background:linear-gradient(to right, var(--op-paper) 30%, #fbfaf800) left center, linear-gradient(to left, var(--op-paper) 30%, #fbfaf800) right center;background-repeat:no-repeat;background-size:24px 100%,24px 100%;background-attachment:local,local;overflow-x:auto}.op-root .op-card{background:var(--op-surface);border:1px solid var(--op-line);border-radius:var(--op-radius)}.op-root .op-card-tint{background:var(--op-tint);border:1px solid var(--op-line);border-radius:var(--op-radius)}.op-root .op-note{background:var(--op-surface);border:1px solid var(--op-line);border-left:3px solid var(--op-accent);border-radius:var(--op-radius-sm)}.op-root .op-button{background:var(--op-accent);color:#fff;border-radius:var(--op-radius-sm);cursor:pointer;border:none;font-weight:600;transition:background .12s}.op-root .op-button:hover:not(:disabled){background:var(--op-accent-dark)}.op-root .op-button:disabled{opacity:.55;cursor:default}.op-root .op-input{background:var(--op-paper);border:1px solid var(--op-line-strong);border-radius:var(--op-radius-sm);color:var(--op-ink);transition:border-color .12s}.op-root .op-input:hover{border-color:var(--op-ink-3)}.op-root .op-input::placeholder{color:var(--op-ink-3)}.op-root .op-wordmark{letter-spacing:-.02em;color:var(--op-ink);font-size:19px;font-weight:650;text-decoration:none}.op-root .op-wordmark:hover{color:var(--op-ink)}.op-root .op-wordmark em{color:var(--op-accent);font-style:normal}.op-root .op-nav a{color:var(--op-ink-2);text-decoration:none}.op-root .op-nav a:hover{color:var(--op-accent);text-decoration:underline}@media (prefers-reduced-motion:reduce){.op-root *{transition:none!important}}