:root{--bg:var(--kp-background);--surface:var(--kp-surface);--surface2:var(--kp-surface2);--border:var(--kp-border);--text:var(--kp-text);--muted:var(--kp-muted);--accent:var(--kp-accent);--accent-dark:var(--kp-accentDark);--teal:var(--kp-teal);--track:var(--kp-track);--segment-track:var(--kp-segmentTrack);--content-width:900px}*{box-sizing:border-box}html{background:var(--bg);-webkit-text-size-adjust:100%}body{background:radial-gradient(circle at 8% 9%, #b737280e, transparent 22rem), radial-gradient(circle at 92% 27%, #1d53600f, transparent 28rem), var(--bg);min-width:320px;color:var(--text);font-family:var(--kp-font-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.78;overflow-x:clip}body:before{z-index:-1;opacity:.22;content:"";pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");position:fixed;inset:0}a{color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1px}.wrap{width:min(100%, calc(var(--content-width) + 48px));margin:0 auto;padding:0 24px 112px}header.masthead{width:100vw;min-height:82px;padding:14px max(24px, calc((100vw - var(--content-width)) / 2));border-bottom:1px solid var(--border);backdrop-filter:blur(18px);background:#f3efe7d1;align-items:center;gap:18px;margin:0 0 clamp(54px,8vw,88px) calc(50% - 50vw);display:flex}.brand{min-width:0;color:inherit;align-items:center;gap:12px;margin-right:auto;text-decoration:none;display:flex}.brand .mark{border-radius:var(--kp-radius-card);object-fit:cover;flex:none;width:44px;height:44px;display:block;box-shadow:0 10px 28px #922b2033}.brand .name{letter-spacing:-.02em;text-overflow:ellipsis;white-space:nowrap;font-size:19px;font-weight:500;overflow:hidden}.langs{border-radius:var(--kp-radius-pill);background:var(--segment-track);border:1px solid #28241f14;flex:none;gap:2px;padding:4px;display:inline-flex}.langs button{border-radius:var(--kp-radius-pill);appearance:none;color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;padding:6px 15px;font-size:13px;transition:background .16s,color .16s,box-shadow .16s}.langs button[aria-selected=true]{background:var(--surface);color:var(--text);box-shadow:0 2px 8px #28241f17}.langs button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}main{position:relative}.wrap>[data-lang]:before{background:var(--accent);content:"";width:32px;height:2px;margin-bottom:19px;display:block}h1{max-width:15ch;font-family:var(--kp-font-display);letter-spacing:-.055em;margin:0 0 12px;font-size:clamp(40px,7vw,62px);font-weight:600;line-height:1.12}.effective{color:var(--muted);letter-spacing:.035em;margin:0 0 clamp(42px,7vw,70px);font-size:14px}h2{border-top:1px solid var(--border);color:var(--text);font-family:var(--kp-font-display);letter-spacing:-.035em;margin:58px 0 19px;padding-top:30px;font-size:clamp(24px,3vw,30px);font-weight:600;line-height:1.35}h3{color:var(--teal);letter-spacing:.01em;margin:30px 0 10px;font-size:17px;font-weight:700}p,li{margin:0 0 13px}ul,ol{margin:0 0 20px;padding-left:23px}li{padding-left:3px}li::marker{color:var(--accent)}strong{font-weight:700}.card{border:1px solid var(--border);background:#fffdf8d1;border-radius:22px;margin:26px 0;padding:clamp(22px,4vw,32px);box-shadow:0 18px 50px #40362b0b}.card p:last-child,.card ul:last-child,.card li:last-child{margin-bottom:0}.table-scroll{border:1px solid var(--border);border-radius:var(--kp-radius-hero);background:var(--surface);margin:22px 0 32px;overflow-x:auto}table{border-collapse:collapse;background:0 0;width:100%;min-width:520px;font-size:15px}th,td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:15px 18px}thead th{background:var(--surface2);color:var(--teal);letter-spacing:.045em;font-size:13px;font-weight:700}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}[data-lang]{display:none}body[data-active=zh] [data-lang=zh],body[data-active=en] [data-lang=en]{display:block}body[data-active=zh] li[data-lang=zh],body[data-active=en] li[data-lang=en]{display:list-item}body[data-active=zh] span[data-lang=zh],body[data-active=en] span[data-lang=en]{display:inline}@media (width<=620px){.wrap{padding:0 18px 80px}header.masthead{min-height:72px;margin-bottom:48px;padding-inline:18px}.brand .mark{border-radius:12px;width:40px;height:40px}.brand .name{font-size:17px}.langs button{padding-inline:11px}h1{font-size:clamp(36px,12vw,48px)}h2{margin-top:46px;padding-top:24px;font-size:24px}.card{border-radius:18px}}@media (width<=390px){.brand .name{display:none}}