/* ---------- split layout（业务介绍 / 关于我们） ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(200px, 300px) 1fr;
  gap: 56px;
  align-items: start;
}

.split-head { position: sticky; top: 104px; }

.split-head .eyebrow { margin-bottom: 10px; }
.split-head h2 { margin-bottom: 12px; }

.split-head::after {
  content: "";
  display: block;
  width: 64px;
  height: 6px;
  border-radius: 999px;
  background: var(--lime);
}

.prose p {
  color: #2b332a;
  font-size: 1rem;
  line-height: 1.95;
}

.prose p:last-child { margin-bottom: 0; }

/* ---------- 服务项目卡片 ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--forest);
}

.card h3 { margin: 16px 0 8px; }

.card p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 服务流程 ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-top: 4px;
}

.steps li::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 44px;
  right: -22px;
  height: 2px;
  background: var(--line);
}

.steps li:last-child::before { display: none; }

.steps h3 {
  margin: 16px 0 8px;
  font-size: 1.05rem;
}

.steps p {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.8;
  margin: 0;
}

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--line); }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 40px 18px 0;
  position: relative;
  font-weight: 600;
  color: var(--ink);
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--forest);
}

.faq details[open] summary::after { content: "–"; }

.faq details p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
  margin: 0 0 20px;
  padding-right: 40px;
}

/* ---------- 客户评价 ---------- */

.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quote {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  position: relative;
}

.quote::before {
  content: "“";
  font-size: 3rem;
  line-height: 1;
  color: var(--lime);
  display: block;
  margin-bottom: 4px;
}

.quote blockquote {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.9;
  color: #2b332a;
}

.quote figcaption {
  font-size: 0.86rem;
  color: var(--muted);
}

/* ---------- 关于我们 facts ---------- */

.facts {
  margin: 28px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.facts > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
  font-size: 0.9rem;
}

.facts dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 联系方式 ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.contact-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 5px solid var(--lime);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
}

.contact-item h3 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 10px;
}

.contact-item p {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.contact-item p.muted {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2)::before { display: none; }
  .quotes { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .split-head { position: static; }

  .prose p { font-size: 0.97rem; line-height: 1.9; }

  .cards { grid-template-columns: 1fr; gap: 14px; }

  .steps {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .steps li::before { display: none; }

  .contact-grid { grid-template-columns: 1fr; gap: 12px; }

  .facts > div { grid-template-columns: 96px 1fr; gap: 12px; }

  .faq details p { padding-right: 0; }
}