/* 解决方案页专有样式 */

.sol-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--edge);
  border-left: 2px solid var(--edge);
  background: #fff;
}
.sol-index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 22px 22px 24px;
  border-right: 2px solid var(--edge);
  border-bottom: 2px solid var(--edge);
  color: var(--ink);
  transition: background 180ms ease, color 180ms ease;
}
.sol-index a:hover { background: var(--brand-soft); color: var(--brand-strong); }
.sol-index .en {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-strong);
}
.sol-index strong { font-size: 17px; font-weight: 900; }
.sol-index span.desc { font-size: 12.5px; color: var(--muted); line-height: 1.6; }

.sol-block { border-top: 2px solid var(--edge); padding: 38px 0 34px; }
.sol-block:first-of-type { border-top: 0; padding-top: 0; }
.sol-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 20px;
}
.sol-head h2 { font-size: clamp(22px, 2.6vw, 30px); }
.sol-head .en {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.sol-cols { display: grid; grid-template-columns: 1.15fr 1fr; gap: 36px; }
.sol-cols h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.sol-cols ul { list-style: none; margin: 0; padding: 0; }
.sol-cols li {
  position: relative;
  margin: 0;
  padding: 9px 0 9px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.65;
}
.sol-cols li:last-child { border-bottom: 0; }
.sol-cols li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 2px;
  background: var(--brand);
}
.sol-cols li strong { display: block; color: var(--ink); }
.sol-cols li span { color: var(--muted); font-size: 13px; }

@media (max-width: 1000px) {
  .sol-index { grid-template-columns: 1fr 1fr; }
  .sol-cols { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 640px) {
  .sol-index { grid-template-columns: 1fr; }
}