.sf-footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 40px 0 28px;
  color: var(--muted);
  font-size: 14px;
  background: rgba(6, 13, 26, 0.4);
}
.sf-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 28px;
}
.sf-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sf-col a {
  color: var(--muted);
}
.sf-col a:hover {
  color: var(--text);
}
.sf-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
}
.sf-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  color: #04121f;
  background: linear-gradient(120deg, var(--c-accent1), var(--c-accent2));
}
.sf-tag {
  margin: 4px 0 0;
  font-size: 13px;
  max-width: 320px;
}
.sf-head {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.sf-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
}
.sf-fine {
  color: var(--muted);
  opacity: 0.8;
}

@media (max-width: 680px) {
  .sf-inner {
    grid-template-columns: 1fr 1fr;
  }
  .sf-col:first-child {
    grid-column: 1 / -1;
  }
}