.std{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;padding-top:18px;padding-bottom:28px}
.std>*{min-width:0}
.std .card{padding:16px 20px}
.std p,.std li{font-size:14px;line-height:1.75;color:var(--text)}
.std p{margin:6px 0}
.std q{quotes:"“" "”"}
.std .note{font-size:12.5px;color:var(--muted);background:var(--blue-l2);border-radius:8px;padding:8px 12px;margin-top:10px}
.std .ref{font-size:12px;color:var(--blue);text-decoration:none;white-space:nowrap}
.std .ref:hover{text-decoration:underline}
.std .tbl{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:8px 0}
.std table{font-size:13px;min-width:560px}
.std th,.std td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;line-height:1.6}
.std th{background:var(--blue-l2);color:var(--navy);font-weight:600;white-space:nowrap}
.std td:first-child{font-weight:600;color:var(--navy);white-space:nowrap}
.std ol{padding-left:22px;margin:6px 0}
.std-toc{display:flex;flex-wrap:wrap;gap:6px 8px;margin-top:10px}
.std-toc a{font-size:12.5px;padding:3px 10px;border-radius:999px;background:var(--blue-l);color:var(--blue-d);text-decoration:none}
.std-toc a:hover{background:var(--blue);color:#fff}
.std-src li{margin-bottom:8px;word-break:break-all}
.std-src a{color:var(--blue)}
.std [id]{scroll-margin-top:16px}
.std .gd-h{font-size:15px;color:var(--navy);margin:22px 0 8px;padding-top:14px;border-top:1px dashed var(--line)}
.std .gd-h:first-of-type{border-top:0;padding-top:0}
.std .gd{margin:8px 0 6px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#f7f9fd}
.std .gd img{display:block;width:auto;max-width:100%;max-height:640px;height:auto;margin:0 auto}
.std .gd figcaption{font-size:12px;color:var(--muted);padding:6px 10px;border-top:1px solid var(--line);background:#fff}
.std .gd-steps{margin:6px 0 14px;padding-left:20px}
.std .gd-steps li{margin:3px 0}
.std .gd-flow{background:var(--blue-l2);border-radius:8px;padding:8px 12px}
@media (max-width:640px){.std .card{padding:12px 14px}.std p,.std li{font-size:13.5px}}