/* ===== 品牌档案 about 页面专属样式 ===== */
.page-about {
  --page-cream: #F5F0E8;
  --page-brown: #2C1A0E;
  --page-orange: #E35F32;
  --page-gray: #3A3A3A;
  --page-mid: #9B9B9B;
  --page-border: #D4C9B8;
  --page-amber: #F4A940;
  --page-font-heading: Georgia, serif;
  --page-font-body: 'Helvetica Neue', Arial, sans-serif;
  --page-max-width: 1200px;
  --page-padding: 1.5rem;
  background-color: var(--page-cream);
  color: var(--page-gray);
  font-family: var(--page-font-body);
  line-height: 1.7;
}

/* ---- Hero 首屏 ---- */
.page-about__hero {
  padding: 3rem var(--page-padding) 2.5rem;
  border-bottom: 2px solid var(--page-border);
  position: relative;
}
.page-about__hero-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
}
.page-about__hero-label {
  display: inline-block;
  font-family: var(--page-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--page-orange);
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--page-orange);
}
.page-about__hero-title {
  font-family: var(--page-font-heading);
  font-size: 3rem;
  font-weight: 300;
  color: var(--page-brown);
  line-height: 1.15;
  margin: 0.5rem 0 0.25rem;
  letter-spacing: -0.02em;
}
.page-about__hero-subtitle {
  font-family: var(--page-font-body);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--page-mid);
  margin: 0 0 1.5rem;
}
.page-about__hero-decor {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}
.page-about__hero-decor span {
  display: block;
  width: 60px;
  height: 2px;
  background-color: var(--page-border);
}
.page-about__hero-decor span:nth-child(2) {
  width: 100px;
  background-color: var(--page-orange);
}
.page-about__hero-decor span:nth-child(3) {
  width: 40px;
}

/* ---- 章节通用结构 ---- */
.page-about__chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2.5rem var(--page-padding);
  max-width: var(--page-max-width);
  margin: 0 auto;
  position: relative;
}
.page-about__chapter-index {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.page-about__index-num {
  font-family: var(--page-font-body);
  font-size: 2.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--page-orange);
  line-height: 1;
  cursor: pointer;
  transition: opacity 0.3s;
}
.page-about__index-num:hover {
  opacity: 0.7;
}
.page-about__chapter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}
.page-about__chapter-link {
  font-family: var(--page-font-body);
  font-size: 0.85rem;
  color: var(--page-mid);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.page-about__chapter-link.is-active,
.page-about__chapter-link:hover {
  color: var(--page-brown);
  border-bottom-color: var(--page-orange);
}
.page-about__chapter-content {
  order: 2;
}
.page-about__chapter-heading {
  font-family: var(--page-font-heading);
  font-size: 2rem;
  font-weight: 400;
  color: var(--page-brown);
  line-height: 1.3;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--page-border);
}
.page-about__body-text {
  font-size: 1rem;
  margin: 0 0 1.25rem;
}
.page-about__highlight {
  color: var(--page-orange);
  font-weight: 600;
}
.page-about__footnote {
  font-size: 0.85rem;
  color: var(--page-mid);
  font-style: italic;
  margin-top: 1.5rem;
}
.page-about__chapter-side {
  order: 3;
  padding: 1.25rem 0;
  border-top: 1px solid var(--page-border);
}
.page-about__side-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--page-mid);
  margin-bottom: 0.75rem;
}
.page-about__side-tag {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--page-brown);
  background-color: rgba(227, 95, 50, 0.08);
  padding: 0.25rem 0.75rem;
  margin: 0.25rem;
  border: 1px solid var(--page-border);
}
.page-about__side-tag--primary {
  background-color: rgba(227, 95, 50, 0.18);
  border-color: var(--page-orange);
  color: var(--page-orange);
}
.page-about__side-stat {
  font-size: 0.85rem;
  color: var(--page-gray);
  margin: 0.75rem 0;
  line-height: 1.5;
}
.page-about__side-stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-brown);
}

/* ---- 分隔线 ---- */
.page-about__divider {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}
.page-about__divider span {
  display: block;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--page-border) 0, var(--page-border) 8px, transparent 8px, transparent 16px);
}

/* ---- 图片块 ---- */
.page-about__image-block {
  margin: 0 0 1.5rem;
}
.page-about__image-block--right {
  float: none;
}
.page-about__image-block--left {
  float: none;
}
.page-about__image-block--center {
  text-align: center;
}
.page-about__photo {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--page-border);
  box-shadow: 0 2px 8px rgba(44, 26, 14, 0.08);
  background-color: var(--page-cream);
}

/* ---- 引用 ---- */
.page-about__quote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--page-orange);
  background-color: rgba(227, 95, 50, 0.04);
  font-family: var(--page-font-heading);
  font-style: italic;
  color: var(--page-brown);
}
.page-about__quote p {
  margin: 0 0 0.5rem;
}
.page-about__quote cite {
  display: block;
  font-size: 0.85rem;
  font-style: normal;
  color: var(--page-mid);
}

/* ---- 功能列表 ---- */
.page-about__feature-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
}
.page-about__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--page-border);
}
.page-about__feature-item:last-child {
  border-bottom: none;
}
.page-about__feature-icon {
  color: var(--page-orange);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.page-about__feature-item strong {
  display: block;
  font-weight: 600;
  color: var(--page-brown);
}

/* ---- 联赛卡片 ---- */
.page-about__league-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.25rem 0;
}
.page-about__league-card {
  background-color: rgba(255,255,255,0.5);
  border: 1px solid var(--page-border);
  padding: 1rem 1.25rem;
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s;
}
.page-about__league-card:hover {
  box-shadow: 0 4px 12px rgba(44, 26, 14, 0.1);
  transform: translateY(-2px);
}
.page-about__league-label {
  display: block;
  font-family: var(--page-font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--page-brown);
  margin-bottom: 0.25rem;
}
.page-about__league-desc {
  font-size: 0.85rem;
  color: var(--page-mid);
}

/* ---- Outro ---- */
.page-about__outro {
  background-color: var(--page-brown);
  color: var(--page-cream);
  padding: 2.5rem var(--page-padding);
  margin-top: 1rem;
}
.page-about__outro-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  text-align: center;
}
.page-about__outro-text {
  font-family: var(--page-font-heading);
  font-size: 1.5rem;
  font-weight: 300;
  margin: 0 0 1.5rem;
  line-height: 1.4;
}
.page-about__outro-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.page-about__outro-link {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--page-orange);
  text-decoration: none;
  border: 1px solid var(--page-orange);
  padding: 0.5rem 1.5rem;
  transition: background-color 0.3s, color 0.3s;
}
.page-about__outro-link:hover {
  background-color: var(--page-orange);
  color: #fff;
}

/* ---- 移动端优先（窄屏） ---- */
@media (max-width: 767px) {
  .page-about__hero-title {
    font-size: 2rem;
  }
  .page-about__chapter {
    padding: 1.5rem var(--page-padding);
  }
  .page-about__chapter-index {
    flex-wrap: wrap;
  }
  .page-about__chapter-nav {
    width: 100%;
  }
  .page-about__league-grid {
    grid-template-columns: 1fr;
  }
  .page-about__image-block--right,
  .page-about__image-block--left {
    float: none;
  }
}

/* ---- 桌面端 ---- */
@media (min-width: 768px) {
  .page-about__hero {
    padding: 4rem var(--page-padding) 3rem;
  }
  .page-about__hero-title {
    font-size: 4.5rem;
  }
  .page-about__chapter {
    grid-template-columns: 100px 1fr 180px;
    gap: 2rem;
    padding: 3rem var(--page-padding);
  }
  .page-about__chapter-index {
    flex-direction: column;
    align-items: flex-start;
    order: 1;
  }
  .page-about__chapter-nav {
    flex-direction: column;
    margin-top: 1rem;
  }
  .page-about__chapter-content {
    order: 2;
  }
  .page-about__chapter-side {
    order: 3;
    border-top: none;
    padding: 0;
    border-left: 1px solid var(--page-border);
    padding-left: 1.5rem;
  }
  .page-about__image-block--right {
    float: right;
    width: 55%;
    margin: 0 0 1rem 1.5rem;
  }
  .page-about__image-block--left {
    float: left;
    width: 45%;
    margin: 0 1.5rem 1rem 0;
  }
  .page-about__image-block--center {
    width: 100%;
  }
  .page-about__quote {
    margin: 1.5rem 2rem;
  }
  .page-about__league-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about__outro-text {
    font-size: 2rem;
  }
}

/* ---- 大桌面 ---- */
@media (min-width: 1024px) {
  .page-about__hero-title {
    font-size: 5.5rem;
  }
  .page-about__chapter {
    grid-template-columns: 120px 1fr 220px;
    gap: 2.5rem;
  }
}
</PAGE_CSS>