/* ===== page-about 专属样式 ===== */
.page-about {
  --about-divider-color: var(--kiwi-green, #8BC34A);
  --about-card-bg: rgba(255, 255, 255, 0.70);
  --about-glass-bg: rgba(255, 255, 255, 0.78);
  --about-expand-transition: max-height 0.45s ease, opacity 0.45s ease;
  --about-icon-size: 2.25rem;
  --about-hero-gap: 2rem;
  --about-mission-card-min-h: 11rem;
  --about-local-gap: 2.5rem;
  background-color: var(--bg-cream, #FDF5E6);
  color: var(--text-dark, #2C1E16);
  font-family: var(--font-body, Helvetica, Arial, sans-serif);
  line-height: 1.6;
}

/* ===== 首屏：品牌档案 + 玻璃层 ===== */
.about-hero {
  padding: var(--space-md, 4rem) 0;
}

.about-hero-inner {
  display: flex;
  flex-direction: column;
  gap: var(--about-hero-gap);
}

/* 左侧品牌档案（卷首语风格） */
.about-brand-profile {
  flex: 1 1 58%;
}

.about-brand-heading {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 1.25rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  position: relative;
}

.about-brand-heading::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--accent-orange, #E85D3A);
  margin-top: 0.5rem;
}

.about-brand-intro {
  font-family: var(--font-subheading, Georgia, serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-soft, #5A4A3A);
  line-height: 1.6;
  margin: 0 0 1rem;
}

.about-brand-detail {
  font-size: 1rem;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 1rem;
  max-width: 36em;
}

.about-icp {
  font-family: var(--font-caption, Helvetica, Arial, sans-serif);
  font-size: 0.875rem;
  color: var(--text-soft, #5A4A3A);
  margin: 0 0 1.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(139, 195, 74, 0.12);
  display: inline-block;
  border-left: 3px solid var(--kiwi-green, #8BC34A);
}

/* 可展开交互 */
.about-expandable {
  margin-top: 0.5rem;
}

.about-expand-toggle {
  background: none;
  border: none;
  padding: 0.45rem 0;
  font-family: var(--font-body, Helvetica, Arial, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-orange, #E85D3A);
  cursor: pointer;
  transition: color var(--transition, 0.3s ease);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.about-expand-toggle:hover,
.about-expand-toggle:focus-visible {
  color: var(--bg-dark, #2C1E16);
  outline: 2px solid var(--kiwi-green, #8BC34A);
  outline-offset: 2px;
}

.about-expand-target {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: var(--about-expand-transition);
  pointer-events: none;
}

.about-expand-target p {
  margin: 0.75rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--about-card-bg);
  border-left: 4px solid var(--kiwi-green, #8BC34A);
  border-radius: 0 6px 6px 0;
  font-size: 0.95rem;
  color: var(--text-dark, #2C1E16);
  max-width: 34em;
}

/* 展开状态 */
.about-expandable[data-expanded] .about-expand-target {
  max-height: 24rem;
  opacity: 1;
  pointer-events: auto;
}

.about-expandable[data-expanded] .about-expand-toggle {
  color: var(--text-dark, #2C1E16);
}

/* 右侧玻璃层 */
.about-glass-card {
  flex: 1 1 38%;
  background: var(--about-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 8px 32px rgba(44, 30, 22, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.50);
  align-self: flex-start;
}

.about-glass-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-glass-quote {
  font-family: var(--font-subheading, Georgia, serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark, #2C1E16);
  line-height: 1.7;
  margin: 0 0 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--kiwi-green, #8BC34A);
  max-width: 22em;
}

.about-glass-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-symbol-img {
  width: 180px;
  height: auto;
  max-width: 100%;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(139, 195, 74, 0.25);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  object-fit: cover;
  aspect-ratio: 1/1;
}

.about-glass-figure:hover .about-symbol-img {
  transform: rotate(6deg) scale(1.02);
}

.about-glass-caption {
  font-family: var(--font-caption, Helvetica, Arial, sans-serif);
  font-size: 0.8rem;
  color: var(--text-soft, #5A4A3A);
  margin-top: 0.65rem;
}

/* ===== 装饰分隔线 ===== */
.about-divider {
  display: flex;
  justify-content: center;
  padding: 0 1.5rem;
}

.about-divider span {
  display: block;
  width: 80%;
  max-width: 600px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--kiwi-green, #8BC34A), transparent);
  opacity: 0.6;
}

/* ===== 第二屏：服务理念 ===== */
.about-mission {
  padding-top: var(--space-lg, 8rem);
  padding-bottom: var(--space-lg, 8rem);
}

.about-section-label {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 2rem;
  position: relative;
  display: inline-block;
}

.about-section-label::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 3px;
  background: var(--accent-orange, #E85D3A);
  margin-top: 0.4rem;
}

.about-mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.about-mission-card {
  background: var(--about-card-bg);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  min-height: var(--about-mission-card-min-h);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(139, 195, 74, 0.15);
  transition: box-shadow var(--transition, 0.3s ease), transform var(--transition, 0.3s ease);
}

.about-mission-card:hover {
  box-shadow: 0 8px 28px rgba(44, 30, 22, 0.06);
  transform: translateY(-3px);
}

.about-mission-icon {
  font-size: var(--about-icon-size);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
  color: var(--kiwi-green, #8BC34A);
}

.about-mission-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 0.6rem;
}

.about-mission-text {
  font-size: 0.95rem;
  color: var(--text-dark, #2C1E16);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.about-inlink {
  color: var(--accent-orange, #E85D3A);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color var(--transition, 0.3s ease);
}

.about-inlink:hover,
.about-inlink:focus-visible {
  color: var(--bg-dark, #2C1E16);
  outline: 2px solid var(--kiwi-green, #8BC34A);
  outline-offset: 2px;
}

.about-mission-figure {
  margin: 2rem auto 0;
  text-align: center;
  max-width: 100%;
}

.about-mission-img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 6px 24px rgba(44, 30, 22, 0.07);
}

.about-mission-caption {
  font-family: var(--font-caption, Helvetica, Arial, sans-serif);
  font-size: 0.8rem;
  color: var(--text-soft, #5A4A3A);
  margin-top: 0.6rem;
}

/* ===== 第三屏：本地化特色 ===== */
.about-local {
  padding-top: var(--space-lg, 8rem);
  padding-bottom: var(--space-lg, 8rem);
}

.about-local-inner {
  display: flex;
  flex-direction: column;
  gap: var(--about-local-gap);
}

.about-local-figure {
  margin: 0;
  flex: 0 0 auto;
  order: -1;
}

.about-local-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 8px 28px rgba(44, 30, 22, 0.08);
  transition: transform 0.4s ease;
}

.about-local-img:hover {
  transform: scale(1.015);
}

.about-local-caption {
  font-family: var(--font-caption, Helvetica, Arial, sans-serif);
  font-size: 0.8rem;
  color: var(--text-soft, #5A4A3A);
  margin-top: 0.5rem;
}

.about-local-text {
  flex: 1 1 55%;
}

.about-local-paragraph {
  font-size: 1rem;
  color: var(--text-dark, #2C1E16);
  line-height: 1.7;
  margin: 0 0 1rem;
  max-width: 34em;
}

.about-local-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-body, Helvetica, Arial, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-orange, #E85D3A);
  text-decoration: none;
  border-bottom: 2px solid var(--kiwi-green, #8BC34A);
  padding-bottom: 0.2rem;
  transition: color var(--transition, 0.3s ease), border-color var(--transition, 0.3s ease);
}

.about-local-link:hover,
.about-local-link:focus-visible {
  color: var(--bg-dark, #2C1E16);
  border-color: var(--bg-dark, #2C1E16);
  outline: 2px solid var(--kiwi-green, #8BC34A);
  outline-offset: 2px;
}

/* ===== 桌面端媒体查询（≥768px） ===== */
@media (min-width: 768px) {
  .about-hero {
    padding: var(--space-lg, 8rem) 0 var(--space-md, 4rem);
  }

  .about-hero-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-md, 4rem);
  }

  .about-brand-profile {
    padding-right: 1rem;
  }

  .about-brand-heading {
    font-size: 2.75rem;
  }

  .about-glass-card {
    padding: 2.25rem 2rem;
    margin-top: 1rem;
  }

  .about-symbol-img {
    width: 220px;
  }

  .about-mission-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .about-mission-card {
    padding: 2rem 1.5rem;
  }

  .about-local-inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-md, 4rem);
  }

  .about-local-figure {
    order: 0;
    flex-shrink: 0;
  }

  .about-local-img {
    max-width: 400px;
  }

  .about-section-label {
    font-size: 2rem;
  }

  .about-divider span {
    width: 60%;
  }
}

/* ===== 宽屏微调（≥1024px） ===== */
@media (min-width: 1024px) {
  .about-brand-heading {
    font-size: 3rem;
  }

  .about-hero-inner {
    gap: var(--space-lg, 8rem);
  }

  .about-glass-card {
    padding: 2.75rem 2.5rem;
  }

  .about-symbol-img {
    width: 260px;
  }

  .about-glass-quote {
    font-size: 1.15rem;
  }

  .about-mission-grid {
    gap: 2.5rem;
  }

  .about-local-inner {
    gap: var(--space-lg, 8rem);
  }
}

/* ===== 确保容器内图片不溢出 ===== */
.page-about img {
  max-width: 100%;
  height: auto;
}

/* ===== 整理容器内边距 ===== */
.page-about .container {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  max-width: var(--max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
}

/* ===== section-spacer 在移动端适度缩减 ===== */
.page-about .section-spacer {
  padding-top: var(--space-md, 4rem);
  padding-bottom: var(--space-md, 4rem);
}

@media (min-width: 768px) {
  .page-about .section-spacer {
    padding-top: var(--space-lg, 8rem);
    padding-bottom: var(--space-lg, 8rem);
  }
}