.sb{
  --mh-ink: var(--ink);
  --mh-muted: var(--ink-2);
  --mh-line: var(--rule);
  --mh-line-strong: var(--rule-strong, var(--rule));
  --mh-green: var(--accent);
  --mh-panel: var(--surface, #fffdf8);
  --mh-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, Georgia, serif;
  --mh-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  margin: 0;
  padding: 0 0 60px;
  font-family: var(--mh-sans);
  color: var(--mh-ink);
}
.sb > header,
.sb > section,
.sb > .sb-band{
  width: min(1100px, calc(100% - 32px));
  margin-inline: auto;
}
.sb-head{
  margin-top: 34px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--mh-ink);
}
.sb-title{
  margin: 0 0 10px;
  font-family: var(--mh-serif);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: .03em;
  line-height: 1.3;
  color: var(--mh-ink);
}
.sb-lede{
  max-width: 46em;
  margin: 0 0 14px;
  font-family: var(--mh-serif);
  font-size: 16px;
  line-height: 2;
  color: var(--mh-ink);
}
.sb-tip{
  max-width: 46em;
  margin: 0;
  padding: 14px 18px;
  background: color-mix(in srgb, var(--mh-green) 5%, var(--mh-panel));
  border: 1px solid var(--mh-line);
  border-left: 3px solid var(--mh-green);
  font-size: 14px;
  line-height: 1.9;
  color: var(--mh-ink);
}
.sb-h{
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--mh-ink);
  font-family: var(--mh-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--mh-ink);
}
.sb-h-rail{
  margin: 0 0 12px;
  padding-top: 10px;
  padding-bottom: 0;
  border-top: 1px solid var(--mh-ink);
  border-bottom: 0;
  font-family: var(--mh-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--mh-green);
}
.sb-band{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 52px;
  align-items: start;
}
.sb-band > section{ min-width: 0 }
.sb-band .sb-h{ margin-top: 40px }
.sb-send{
  display: grid;
  grid-template-columns: minmax(0, 600px) minmax(0, 1fr);
  gap: 0 52px;
  align-items: start;
}
.sb-send-main{ min-width: 0 }
.sb-rail{
  min-width: 0;
  margin-top: 56px;
  position: sticky;
  top: 24px;
}
.sb-list{ margin: 0; padding-left: 1.15em; color: var(--mh-ink) }
.sb-list li{
  margin: 0 0 10px;
  font-family: var(--mh-serif);
  font-size: 15px;
  line-height: 1.95;
}
.sb-list-warn{
  padding: 4px 0 4px 1.6em;
  border-left: 3px solid var(--mh-line-strong);
}
.sb-rail .sb-list li{ font-size: 13px; line-height: 1.9; color: var(--mh-muted) }
.sb-lanes{ margin: 0 }
.sb-lane-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 52px;
  align-items: start;
}
.sb-lane{ min-width: 0 }
.sb-lane-t{
  margin: 0 0 8px;
  padding-top: 10px;
  border-top: 1px solid var(--mh-ink);
  font-family: var(--mh-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--mh-green);
}
.sb-lane-l{
  margin: 0 0 8px;
  font-family: var(--mh-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.85;
  color: var(--mh-ink);
}
.sb-lane-b{
  margin: 0;
  font-family: var(--mh-serif);
  font-size: 14px;
  line-height: 1.95;
  color: var(--mh-muted);
}
.sb-dl{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 52px;
  margin: 0;
}
.sb-note{ min-width: 0 }
.sb-dl dt{
  margin: 14px 0 6px;
  padding-top: 10px;
  border-top: 1px solid var(--mh-ink);
  font-family: var(--mh-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--mh-green);
}
.sb-dl dd{
  margin: 0;
  font-family: var(--mh-serif);
  font-size: 14px;
  line-height: 1.95;
  color: var(--mh-ink);
}
.sb-noscript{
  max-width: 46em;
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid var(--mh-line-strong);
  background: var(--mh-panel);
  color: var(--mh-ink);
  font-size: 14px;
  line-height: 1.95;
}
.sb-noscript p{ margin: 0 0 10px }
.sb-noscript p:last-child{ margin: 0 }
.sb-form-wrap{ display: block }
.sb-form-wrap[hidden]{ display: none !important }
.sb-receipt[hidden],
.sb-error[hidden],
.sb-sealed-off[hidden],
.sb-only-contribute[hidden],
.sb-only-tip[hidden]{ display: none !important }
.sb-field{ margin: 0 0 20px }
.sb-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0 20px;
}
.sb-label{
  display: block;
  margin: 0 0 5px;
  font-family: var(--mh-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mh-ink);
}
.sb-hint{
  margin: 0 0 7px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mh-muted);
}
.sb-input,
.sb-select,
.sb-textarea{
  width: 100%;
  box-sizing: border-box;
  font-family: var(--mh-sans);
  font-size: 15px;
  color: var(--mh-ink);
  background: var(--mh-panel);
  border: 1px solid var(--mh-line-strong);
  border-radius: 2px;
  padding: 9px 11px;
}
.sb-input:focus,
.sb-select:focus,
.sb-textarea:focus,
.sb-file:focus{
  outline: 2px solid var(--mh-green);
  outline-offset: 1px;
}
.sb-textarea{
  font-family: var(--mh-serif);
  font-size: 16px;
  line-height: 2;
  resize: vertical;
}
.sb-hidden-input{
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.sb-count{
  margin: 6px 0 0;
  font-family: var(--mh-sans);
  font-size: 12px;
  color: var(--mh-muted);
}
.sb-count.is-over{ color: var(--mh-green); font-weight: 700 }
.sb-field-lane{ border: 0; padding: 0; margin: 0 0 20px }
.sb-field-lane legend{
  padding: 0; margin: 0 0 7px;
  font-family: var(--mh-sans);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  color: var(--mh-ink);
}
.sb-radios{ display: flex; gap: 22px; flex-wrap: wrap }
.sb-radio{ display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--mh-ink) }
.sb-radio input{ margin: 0 }
.sb-radio input:disabled + span{ color: var(--mh-muted); text-decoration: line-through }
.sb-sealed-off{ margin: 8px 0 0; font-size: 13px; color: var(--mh-muted) }
.sb-check{
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 14px; line-height: 1.85; color: var(--mh-ink);
}
.sb-check input{ margin: 5px 0 0 }
.sb-check a{ color: var(--mh-green) }
.sb-file{ font-family: var(--mh-sans); font-size: 14px; color: var(--mh-ink) }
.sb-queue{ list-style: none; margin: 12px 0 0; padding: 0 }
.sb-queue-row{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--mh-line);
  font-size: 13px;
}
.sb-queue-row.is-error .sb-queue-meta{ color: var(--mh-green) }
.sb-queue-name{ flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--mh-ink) }
.sb-queue-meta{ flex: 0 0 auto; color: var(--mh-muted); font-size: 12px }
.sb-queue-x{
  flex: 0 0 auto;
  font-family: var(--mh-sans); font-size: 12px;
  background: none; border: 1px solid var(--mh-line-strong); border-radius: 2px;
  color: var(--mh-muted); padding: 3px 9px; cursor: pointer;
}
.sb-queue-x:hover{ color: var(--mh-ink); border-color: var(--mh-muted) }
.sb-queue-notice{
  flex: 0 0 100%;
  margin: 2px 0 6px;
  padding: 7px 11px;
  background: var(--mh-panel);
  border-left: 2px solid var(--mh-green);
  font-size: 12px;
  line-height: 1.8;
  color: var(--mh-ink);
}
.sb-budget{ margin: 8px 0 0; font-size: 12px; color: var(--mh-muted) }
.sb-budget.is-over{ color: var(--mh-green); font-weight: 700 }
.sb-actions{ display: flex; align-items: center; gap: 16px; margin: 26px 0 0 }
.sb-submit,
.sb-btn{
  font-family: var(--mh-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 10px 26px;
  border: 1px solid var(--mh-ink);
  border-radius: 2px;
  background: var(--mh-ink);
  color: var(--mh-panel);
  cursor: pointer;
}
.sb-submit:hover,
.sb-btn:hover{ background: var(--mh-muted); border-color: var(--mh-muted) }
.sb-submit:disabled{ opacity: .5; cursor: default }
.sb-btn-warn{ background: none; color: var(--mh-green); border-color: var(--mh-green) }
.sb-btn-warn:hover{ background: var(--mh-green); color: var(--mh-panel) }
.sb-status{ font-size: 13px; color: var(--mh-muted) }
.sb-error{
  margin: 16px 0 0;
  padding: 11px 14px;
  border-left: 3px solid var(--mh-green);
  background: color-mix(in srgb, var(--mh-green) 6%, transparent);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mh-ink);
}
.sb-receipt{
  margin: 24px 0 0;
  padding: 22px 24px;
  border: 2px solid var(--mh-green);
  border-radius: 2px;
  background: var(--mh-panel);
}
.sb-receipt .sb-h{ margin-top: 0 }
.sb-receipt-msg{ margin: 0 0 12px; font-family: var(--mh-serif); font-size: 16px; line-height: 1.95; color: var(--mh-ink) }
.sb-receipt-warn{ margin: 0 0 18px; font-size: 14px; line-height: 1.9; color: var(--mh-ink) }
.sb-codes{ margin: 0 0 16px }
.sb-codes dt{ margin: 14px 0 4px; font-family: var(--mh-sans); font-size: 12px; letter-spacing: .12em; color: var(--mh-muted) }
.sb-codes dd{ margin: 0 }
.sb-codes code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 20px;
  letter-spacing: .08em;
  color: var(--mh-ink);
  user-select: all;
  word-break: break-all;
}
.sb-lookup-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.sb-lookup-form{
  border: 1px solid var(--mh-line);
  border-radius: 2px;
  padding: 18px 20px;
  background: var(--mh-panel);
}
.sb-lookup-form .sb-input{ margin: 0 0 10px }
.sb-code-input{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.sb-result{ margin: 12px 0 0; font-size: 13px; line-height: 1.9; color: var(--mh-muted) }
.sb-result-state{ margin: 0 0 5px; color: var(--mh-ink); font-weight: 700 }
.sb-result-note{ margin: 0 0 5px }
.sb-result a{ color: var(--mh-green) }
.sb-hp{
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  white-space: nowrap !important;
}
.sb-form trix-toolbar .trix-button-group{
  border-color: var(--mh-line-strong);
  background: var(--mh-panel);
}
.sb-form trix-toolbar .trix-button{
  border-bottom-color: var(--mh-line-strong);
  color: var(--mh-ink);
}
.sb-form trix-toolbar .trix-button:not(:disabled):hover{
  background: color-mix(in srgb, var(--mh-green) 12%, transparent);
}
.sb-trix{
  min-height: 17em;
  border: 1px solid var(--mh-line-strong);
  border-radius: 2px;
  padding: 12px 13px;
  background: var(--mh-panel);
  color: var(--mh-ink);
  font-family: var(--mh-serif);
  font-size: 16px;
  line-height: 2;
}
.sb-trix:focus{ outline: 2px solid var(--mh-green); outline-offset: 1px }
.sb-trix blockquote{
  border-left: 3px solid var(--mh-line-strong);
  margin: 0 0 16px;
  padding-left: 14px;
  color: var(--mh-muted);
}
.sb-trix pre{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  background: color-mix(in srgb, var(--mh-ink) 5%, transparent);
  padding: 10px 11px;
  overflow-x: auto;
}
@media (max-width: 719px){
  .sb > header,
  .sb > section,
  .sb > .sb-band{ width: calc(100% - 28px) }
  .sb-head{ margin-top: 22px }
  .sb-title{ font-size: 24px }
  .sb-lede{ font-size: 15px; line-height: 1.95 }
  .sb-h{ font-size: 18px; margin-top: 30px }
  .sb-lane-grid,
  .sb-band,
  .sb-dl,
  .sb-grid,
  .sb-lookup-grid,
  .sb-send{ grid-template-columns: 1fr; gap: 0 }
  .sb-rail{ position: static; margin-top: 8px }
  .sb-input,
  .sb-select,
  .sb-textarea{ font-size: 16px }
  .sb-trix{ min-height: 13em; font-size: 16px }
  .sb-actions{ flex-direction: column; align-items: stretch; gap: 10px }
  .sb-submit,
  .sb-btn{ width: 100%; padding: 13px 16px }
  .sb-codes code{ font-size: 17px }
  .sb-queue-row{ flex-wrap: wrap; gap: 5px 12px }
  .sb-queue-name{ flex: 1 1 100% }
}