/* ========================================
   关于我们 / 产品服务 / 联系我们 通用内页样式
   ======================================== */

/* ---------- 公司简介 ---------- */
.intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.intro-text .sub {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.intro-text p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.95;
  margin-bottom: 16px;
}

.intro-text .intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.intro-points .ip-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.intro-points .ip-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.intro-points .ip-item h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 3px;
}

.intro-points .ip-item p {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* 公司简介右侧视觉 */
.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 440px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.intro-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}

.intro-visual .iv-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  max-width: 380px;
}

.iv-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
  color: #fff;
  backdrop-filter: blur(8px);
}

.iv-card .iv-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}

.iv-card .iv-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
}

.iv-card.wide {
  grid-column: 1 / -1;
  background: rgba(0, 188, 212, 0.15);
  border-color: rgba(0, 188, 212, 0.3);
}

/* ---------- 发展历程 ---------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.tl-item {
  position: relative;
  padding-bottom: 40px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(10, 77, 140, 0.1);
}

.tl-item .tl-year {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}

.tl-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.tl-item p {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 企业文化 ---------- */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.culture-card {
  text-align: center;
  padding: 44px 30px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.culture-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.culture-card .cc-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  color: #fff;
}

.culture-card .cc-icon svg {
  width: 34px;
  height: 34px;
}

.culture-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.culture-card .cc-en {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.culture-card p {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.85;
}

/* ---------- 资质荣誉 ---------- */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.honor-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 30px 22px;
  text-align: center;
  transition: var(--transition);
}

.honor-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.honor-card .hc-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.honor-card h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.honor-card p {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- 产品服务详情 ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 90px;
}

.service-block:last-child {
  margin-bottom: 0;
}

.service-block.reverse {
  direction: rtl;
}

.service-block.reverse > * {
  direction: ltr;
}

.service-text .st-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.service-text h2 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 18px;
  line-height: 1.35;
}

.service-text > p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 24px;
}

.service-features {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.sf-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.sf-item .sf-check {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.sf-item .sf-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 3px;
}

.sf-item .sf-text p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

.service-text .btn {
  margin-top: 6px;
}

/* 服务视觉块 */
.service-visual {
  border-radius: var(--radius-lg);
  min-height: 380px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.sv-blue {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.sv-teal {
  background: linear-gradient(135deg, #006064, var(--accent));
}

.sv-dark {
  background: linear-gradient(135deg, #1A2332, var(--primary-dark));
}

.service-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
}

.service-visual .sv-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 280px;
}

.service-visual .sv-icon {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
}

.service-visual .sv-icon svg {
  width: 44px;
  height: 44px;
  color: #fff;
}

.service-visual .sv-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-visual .sv-content p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
}

.service-visual .sv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}

.service-visual .sv-tags span {
  font-size: 0.76rem;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 联系页 ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-list .ci-item {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-list .ci-item:last-child {
  border-bottom: none;
}

.ci-item .ci-icon {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ci-item .ci-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.ci-item .ci-text p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* 表单 */
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.contact-form .cf-sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label .req {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 12px;
  text-align: center;
}

/* 地图区 */
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-wrap .map-placeholder {
  text-align: center;
  color: var(--muted);
}

.map-wrap .map-placeholder svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.map-wrap .map-placeholder p {
  font-size: 0.95rem;
}

/* ---------- 响应式 ---------- */
@media (max-width: 968px) {
  .intro-layout,
  .service-block,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .service-block.reverse {
    direction: ltr;
  }

  .culture-grid {
    grid-template-columns: 1fr;
  }

  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .intro-text .intro-points {
    grid-template-columns: 1fr;
  }

  .honor-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px 22px;
  }
}