/* ===== 博万娱乐 · 品牌档案 ===== */
.page-about {
  --about-gold-soft: rgba(212, 175, 55, 0.14);
  --about-border-soft: rgba(15, 107, 90, 0.12);
  background: var(--c-ivory);
  min-height: 60vh;
}

/* 档案头部 */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--c-deep) 0%, var(--c-emerald) 58%, rgba(19, 118, 95, 0.92) 100%);
  color: var(--c-ivory);
  padding: 44px 0 72px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.page-about .about-hero-mountains {
  position: absolute;
  inset: auto 0 -1px 0;
  height: 60px;
  background: linear-gradient(120deg, rgba(212, 175, 55, 0.2) 0%, transparent 18%, transparent 46%, rgba(234, 245, 241, 0.1) 70%, transparent 90%);
  clip-path: polygon(0 55%, 8% 28%, 16% 64%, 30% 10%, 42% 58%, 54% 22%, 66% 66%, 78% 18%, 90% 60%, 100% 26%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: 36px;
}

.page-about .about-hero .breadcrumbs a {
  color: rgba(234, 245, 241, 0.72);
}

.page-about .about-hero-grid {
  display: grid;
  gap: 36px;
}

.page-about .about-hero .eyebrow {
  color: var(--c-gold);
  margin-bottom: 10px;
}

.page-about .about-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

.page-about .about-title-main {
  display: block;
}

.page-about .about-title-sep {
  display: none;
}

.page-about .about-title-sub {
  display: inline-block;
  margin-top: 6px;
  color: var(--c-mint);
  font-size: 0.6em;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-about .about-hero-lead {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(234, 245, 241, 0.85);
  max-width: 620px;
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero-actions .btn-gold {
  background: var(--c-gold);
  border: 1px solid var(--c-gold);
  color: var(--c-deep);
}

.page-about .about-hero-actions .btn-outline {
  border-color: rgba(234, 245, 241, 0.55);
  color: var(--c-ivory);
}

.page-about .about-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.page-about .about-hero-meta-item {
  border-radius: var(--radius-md);
  background: rgba(234, 245, 241, 0.08);
  border: 1px solid rgba(234, 245, 241, 0.14);
  padding: 16px 10px 12px;
  text-align: center;
}

.page-about .about-hero-meta-item dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.page-about .about-hero-meta-item dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  color: var(--c-ivory);
}

/* 档案主体布局 */
.page-about .about-layout {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-about .about-sidebar {
  margin-bottom: 24px;
}

.page-about .about-sidebar-inner {
  background: var(--c-mint);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.page-about .about-sidebar-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-gray);
  margin: 0 0 12px;
}

.page-about .about-spy {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-spy::-webkit-scrollbar {
  display: none;
}

.page-about .about-spy .spy-link {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-about .about-sidebar-note {
  display: none;
}

/* 内容区章节 */
.page-about .about-content {
  min-width: 0;
}

.page-about .about-section {
  margin-bottom: 60px;
}

.page-about .about-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.page-about .about-section-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold), transparent);
  transform: translateY(-5px);
}

.page-about .about-index {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-about .about-section-head h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: var(--c-deep);
  margin: 0;
  white-space: nowrap;
}

/* 品牌简介 */
.page-about .about-intro-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-intro-text p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-gray);
  margin: 0 0 16px;
}

.page-about .about-quote {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-left: 4px solid var(--c-gold);
  background: var(--about-gold-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-emerald);
}

.page-about .about-intro-figure {
  margin: 0;
}

.page-about .about-intro-img {
  display: block;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1;
  object-fit: cover;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-about .about-intro-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-lightgray);
  text-align: center;
}

/* 发展历程 */
.page-about .about-milestone {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-mint);
  border: 1px solid var(--about-border-soft);
}

.page-about .about-milestone-bg {
  display: block;
  width: 100%;
  height: 96px;
  object-fit: cover;
}

.page-about .about-milestone-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 20px 28px 34px;
}

.page-about .about-milestone-track::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, rgba(15, 107, 90, 0.3), rgba(15, 107, 90, 0.3) 6px, transparent 6px, transparent 12px);
}

.page-about .about-milestone-line {
  display: none;
}

.page-about .about-milestone-card {
  position: relative;
  border-radius: var(--radius-md);
  background: var(--c-ivory);
  padding: 18px 18px 16px;
  box-shadow: 0 4px 14px rgba(10, 70, 56, 0.08);
  border: 1px solid rgba(15, 107, 90, 0.08);
}

.page-about .about-milestone-card::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-ivory);
  border: 3px solid var(--c-gold);
}

.page-about .about-milestone-year {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  margin: 0 0 6px;
}

.page-about .about-milestone-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-deep);
  margin: 0 0 6px;
}

.page-about .about-milestone-card p:last-child {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
  margin: 0;
}

.page-about .about-milestone-dot {
  display: none;
}

/* 团队与组织 */
.page-about .about-team-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-team-figure {
  margin: 0;
}

.page-about .about-team-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-about .about-team-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-lightgray);
  text-align: center;
}

.page-about .about-team-text > p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-gray);
  margin: 0 0 20px;
}

.page-about .about-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-team-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  background: var(--c-mint);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  border: 1px solid var(--about-border-soft);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-team-item:hover {
  border-color: var(--c-gold);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.14);
}

.page-about .about-team-code {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-emerald);
  background: rgba(15, 107, 90, 0.1);
  border-radius: var(--radius-pill);
  padding: 6px 10px;
  white-space: nowrap;
  transition: color 0.3s ease, background 0.3s ease;
}

.page-about .about-team-item:hover .about-team-code {
  color: var(--c-deep);
  background: rgba(212, 175, 55, 0.22);
}

.page-about .about-team-item-body h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-deep);
  margin: 0 0 4px;
}

.page-about .about-team-item-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
  margin: 0;
}

/* 资质与合作 */
.page-about .about-qual-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 28px;
}

.page-about .about-qual-card {
  background: var(--c-mint);
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 26px 22px;
}

.page-about .about-qual-card.card-index {
  border-top: 3px solid var(--c-gold);
}

.page-about .about-qual-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  color: var(--c-deep);
  margin: 0 0 18px;
  padding-left: 16px;
  position: relative;
}

.page-about .about-qual-card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--c-gold);
}

.page-about .about-qual-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-qual-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.page-about .about-qual-list .tag {
  font-size: 12px;
  white-space: nowrap;
}

.page-about .about-qual-list p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
  margin: 0;
}

.page-about .about-partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-partner-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.page-about .about-partner-type {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-emerald);
  background: rgba(15, 107, 90, 0.1);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  line-height: 1.6;
}

.page-about .about-partner-body h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-deep);
  margin: 0 0 4px;
}

.page-about .about-partner-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
  margin: 0;
}

.page-about .about-honor {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(15, 107, 90, 0.08));
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.page-about .about-honor-badge {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.16);
}

.page-about .about-honor-text h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 800;
  color: var(--c-deep);
  margin: 0 0 6px;
}

.page-about .about-honor-text p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
  margin: 0;
}

.page-about .about-honor .btn-outline {
  grid-column: 1 / -1;
  justify-self: start;
  border-color: var(--c-gold);
  color: var(--c-emerald);
}

/* 联系引导 */
.page-about .about-contact-cta {
  margin-top: 64px;
  background: linear-gradient(140deg, var(--c-deep) 0%, var(--c-emerald) 72%);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about .about-contact-cta::before {
  content: "";
  position: absolute;
  inset: auto -10% -40% -10%;
  height: 64%;
  background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

.page-about .about-contact-cta .eyebrow {
  color: var(--c-gold);
}

.page-about .about-contact-cta h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: var(--c-ivory);
  margin: 8px 0 12px;
}

.page-about .about-contact-cta p {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(234, 245, 241, 0.82);
  margin: 0 auto 22px;
  max-width: 440px;
}

.page-about .about-contact-cta .btn-gold {
  background: var(--c-gold);
  border: 1px solid var(--c-gold);
  color: var(--c-deep);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 56px 0 92px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero h1 {
    font-size: 50px;
  }

  .page-about .about-title-sub {
    margin-top: 8px;
  }

  .page-about .about-hero-lead {
    font-size: 17px;
  }

  .page-about .about-hero-meta-item {
    padding: 20px 12px 16px;
  }

  .page-about .about-hero-meta-item dd {
    font-size: 26px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-top: 56px;
  }

  .page-about .about-sidebar {
    position: sticky;
    top: 88px;
    margin-bottom: 0;
  }

  .page-about .about-sidebar-inner {
    padding: 20px;
  }

  .page-about .about-spy {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
  }

  .page-about .about-spy .spy-link {
    display: block;
    white-space: normal;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
  }

  .page-about .about-sidebar-note {
    display: block;
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid rgba(15, 107, 90, 0.15);
  }

  .page-about .about-sidebar-note .mono {
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--c-emerald);
  }

  .page-about .about-sidebar-note p:last-child {
    font-size: 13px;
    line-height: 1.7;
    color: var(--c-gray);
    margin: 6px 0 0;
  }

  .page-about .about-section {
    margin-bottom: 72px;
  }

  .page-about .about-section-head h2 {
    font-size: 30px;
  }

  .page-about .about-intro-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-about .about-intro-img {
    max-width: none;
    aspect-ratio: 1;
  }

  .page-about .about-milestone-bg {
    height: 120px;
  }

  .page-about .about-milestone-track {
    flex-direction: row;
    gap: 0;
    padding: 44px 28px 36px;
  }

  .page-about .about-milestone-track::before {
    content: none;
  }

  .page-about .about-milestone-card::before {
    content: none;
  }

  .page-about .about-milestone-line {
    display: block;
    position: absolute;
    top: 16px;
    left: 2%;
    width: 96%;
    height: 60px;
    pointer-events: none;
    opacity: 0.7;
  }

  .page-about .about-milestone-card {
    flex: 1 1 0;
    margin: 0 10px;
    padding: 26px 20px 20px;
  }

  .page-about .about-milestone-card:first-child {
    margin-left: 0;
  }

  .page-about .about-milestone-card:last-child {
    margin-right: 0;
  }

  .page-about .about-milestone-dot {
    display: block;
    position: absolute;
    top: -14px;
    left: 50%;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--c-ivory);
    border: 3px solid var(--c-gold);
    transform: translateX(-50%);
    z-index: 2;
  }

  .page-about .about-team-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
  }

  .page-about .about-team-figure {
    position: sticky;
    top: 120px;
  }

  .page-about .about-qual-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-about .about-honor {
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    padding: 26px;
  }

  .page-about .about-honor .btn-outline {
    grid-column: auto;
    justify-self: end;
  }

  .page-about .about-contact-cta {
    padding: 52px 24px;
  }

  .page-about .about-contact-cta h2 {
    font-size: 30px;
  }
}