/* ==========================================================================
   solutions.css — 智能体定制 / AI 办公等方案落地页
   ========================================================================== */

.sol-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.sol-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(36px, 5vw, 52px);
}

.sol-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.sol-card:hover {
  transform: translateY(-4px);
  border-color: rgba(75, 69, 255, 0.28);
  box-shadow: var(--shadow-md);
}

.sol-card--tint {
  background: var(--grad-soft);
  border-color: rgba(75, 69, 255, 0.14);
}

.sol-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--brand-soft);
  color: var(--brand);
}

.sol-card h3 {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sol-card p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.sol-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 16px;
}

.sol-card__tags span {
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--bg-soft);
  font-size: 10px;
  color: var(--muted);
}

.sol-card__link {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-ink);
}

.sol-two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.sol-copy p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
}

.sol-copy p + p {
  margin-top: 16px;
}

.sol-list {
  margin-top: 22px;
}

.sol-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.sol-list li:last-child {
  border-bottom: 0;
}

.sol-list .icon {
  width: 15px;
  height: 15px;
  margin-top: 4px;
  color: var(--brand);
  flex: none;
}

.sol-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(75, 69, 255, 0.16);
  border-radius: var(--r-lg);
  background: var(--grad-soft);
}

.sol-panel h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sol-panel p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.sol-panel__rows {
  margin-top: 18px;
}

.sol-panel__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(75, 69, 255, 0.12);
  font-size: 12.5px;
  color: var(--ink-2);
}

.sol-panel__row:last-child {
  border-bottom: 0;
}

.sol-panel__row span {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.sol-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(36px, 5vw, 52px);
}

.sol-step {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
}

.sol-step__no {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-ink);
  font-family: var(--font-mono);
  font-size: 10px;
}

.sol-step h3 {
  margin-top: 18px;
  font-size: 16px;
  font-weight: 700;
}

.sol-step p {
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.sol-step em {
  display: inline-block;
  margin-top: 12px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--brand-ink);
  background: var(--brand-soft);
  padding: 3px 7px;
  border-radius: 5px;
}

.sol-table-wrap {
  margin-top: clamp(30px, 4vw, 44px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.sol-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  background: #fff;
}

.sol-table th,
.sol-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  text-align: left;
  vertical-align: top;
}

.sol-table th {
  background: var(--bg-soft);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  text-transform: uppercase;
}

.sol-table tr:last-child td {
  border-bottom: 0;
}

.sol-table td:first-child {
  font-weight: 600;
  color: var(--ink);
  width: 22%;
}

.sol-faq {
  margin-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.sol-faq details {
  border-bottom: 1px solid var(--line);
}

.sol-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.sol-faq summary::-webkit-details-marker {
  display: none;
}

.sol-faq summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 300;
  color: var(--muted-2);
}

.sol-faq details[open] summary::after {
  content: "−";
}

.sol-faq p {
  padding: 0 40px 22px 2px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.sol-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(32px, 4vw, 44px);
}

.sol-related a {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

.sol-related a:hover {
  transform: translateY(-3px);
  border-color: rgba(75, 69, 255, 0.3);
  box-shadow: var(--shadow-sm);
}

.sol-related span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--brand-ink);
  text-transform: uppercase;
}

.sol-related b {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}

.sol-related small {
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted-2);
}

@media (max-width: 980px) {
  .sol-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sol-steps {
    grid-template-columns: 1fr 1fr;
  }

  .sol-two {
    grid-template-columns: 1fr;
  }
}

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

  .sol-actions .btn {
    width: 100%;
  }
}