.about-main {
  padding-bottom: 80px;
}

.about-section {
  padding: 64px 0;
}

/* 公司简介 — post03 整幅海报，文案叠在左侧留白区 */
.about-intro {
  padding: 40px 0 56px;
  background: #f5f5f5;
}

.intro-poster {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #ebebeb;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.intro-poster__img {
  display: block;
  width: 100%;
  height: auto;
}

.intro-poster__content {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 52%;
  max-width: 520px;
  padding: 0 32px 0 48px;
}

.intro-card__title {
  margin: 0 0 28px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-align: left;
  color: var(--color-text);
}

.intro-card__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-top: 14px;
  border-radius: 2px;
  background: var(--color-accent);
}

.intro-text p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-muted);
}

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

/* 名称与理念 */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.philosophy-card {
  padding: 36px 20px 32px;
  border: none;
  border-radius: 4px;
  background: #f5f5f5;
  text-align: center;
}

.philosophy-card__head {
  margin: 0 0 20px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.philosophy-card__head::after {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  margin: 12px auto 0;
  border-radius: 2px;
  background: var(--color-accent);
}

.philosophy-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* 我们关注什么 */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.focus-item {
  text-align: center;
}

.focus-item__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
}

.focus-item__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.focus-item__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
}

.focus-item__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* 我们的工作方式 */
.workflow-row {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.workflow-step {
  flex: 1;
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  background: #ffffff;
}

.workflow-step + .workflow-step {
  margin-left: 32px;
}

.workflow-step + .workflow-step::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 50%;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
  transform: translateY(-50%) rotate(45deg);
}

.workflow-step__num {
  display: block;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.workflow-step__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
}

.workflow-step__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* 公司基本信息 */
.info-table {
  border: 1px solid var(--color-line);
  border-radius: 4px;
  overflow: hidden;
  background: #ffffff;
}

.info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--color-line);
}

.info-row:last-child {
  border-bottom: none;
}

.info-cell {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  min-height: 56px;
  padding: 16px 24px;
  border-right: 1px solid var(--color-line);
}

.info-cell:last-child {
  border-right: none;
}

.info-cell--full {
  grid-column: 1 / -1;
  border-right: none;
}

.info-cell__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
}

.info-cell__label img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
}

.info-cell__value {
  font-size: 14px;
  color: var(--color-text);
}

@media (max-width: 1024px) {
  .intro-poster__content {
    width: 54%;
    padding-left: 36px;
  }

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

  .workflow-row {
    flex-wrap: wrap;
    gap: 16px;
  }

  .workflow-step {
    flex: 1 1 calc(50% - 8px);
    margin-left: 0 !important;
  }

  .workflow-step::before {
    display: none;
  }

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

  .info-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }

  .info-cell:last-child {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  .intro-poster__content {
    position: static;
    transform: none;
    width: 100%;
    max-width: none;
    padding: 32px 24px 20px;
    background: #f9f5f2;
  }

  .intro-poster__img {
    border-radius: 0 0 8px 8px;
  }

  .philosophy-grid,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .workflow-step {
    flex: 1 1 100%;
  }

  .info-cell {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}