/* 品牌故事页 · 平博娱乐中国区故事 */
.page-about {
  position: relative;
  overflow-x: clip;
}

/* 顶部视觉区 */
.page-about .story-hero {
  position: relative;
  padding: 2.25rem 0 3.25rem;
  background:
    repeating-linear-gradient(45deg, rgba(255, 107, 44, 0.05) 0 1px, transparent 1px 14px),
    linear-gradient(135deg, #0A1428 0%, #101E3C 58%, rgba(16, 30, 60, 0.96) 100%);
  border-bottom: 1px solid rgba(201, 168, 106, 0.3);
}

.page-about .story-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(72% 64% at 82% -12%, rgba(110, 245, 66, 0.14), transparent 64%);
  pointer-events: none;
}

.page-about .story-hero .content-shell {
  position: relative;
  z-index: 1;
}

.page-about .story-kicker {
  margin: 1.35rem 0 0.4rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--green);
}

.page-about .story-hero h1 {
  margin: 0.2rem 0 0.8rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-style: italic;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--text-main);
  max-width: 880px;
}

.page-about .story-hero h1 em {
  color: var(--green);
  font-style: italic;
}

.page-about .story-lead {
  margin: 0;
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-about .hero-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.9rem;
}

.page-about .metric-cell {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  padding: 0.95rem 1.1rem;
  background: rgba(16, 30, 60, 0.72);
  border: 1px solid rgba(201, 168, 106, 0.2);
  border-top: 2px solid var(--green);
  border-radius: 6px;
}

.page-about .metric-cell.metric-orange {
  border-top-color: var(--orange);
}

.page-about .metric-cell.metric-gold {
  border-top-color: var(--gold);
}

.page-about .metric-num {
  font-family: var(--font-data);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: var(--green);
}

.page-about .metric-cell.metric-orange .metric-num {
  color: var(--orange);
}

.page-about .metric-cell.metric-gold .metric-num {
  color: var(--gold);
}

.page-about .metric-unit {
  font-size: 0.85rem;
  font-weight: 400;
  margin-left: 0.18rem;
  color: var(--text-main);
}

.page-about .metric-label {
  font-size: 0.82rem;
  font-family: var(--font-data);
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.page-about .story-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

.page-about .index-prefix {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-about .story-index a {
  display: inline-block;
  padding: 0.35rem 0.78rem;
  border: 1px solid rgba(201, 168, 106, 0.28);
  border-radius: 999px;
  background: rgba(16, 30, 60, 0.66);
  color: var(--text-main);
  font-family: var(--font-data);
  font-size: 0.82rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.page-about .story-index a:hover,
.page-about .story-index a:focus-visible {
  border-color: var(--green);
  color: var(--green);
  background: rgba(110, 245, 66, 0.08);
  outline: none;
}

/* 通用小节头 */
.page-about .section-head {
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.page-about .section-head .section-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-about .section-head .section-label span {
  color: var(--orange);
}

.page-about .section-head .section-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  font-style: italic;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
}

.page-about .section-head p:last-child {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-dim);
}

/* 发展历程 */
.page-about .milestone-section {
  position: relative;
  padding-top: 3rem;
  overflow-x: clip;
}

.page-about .milestone-section::before {
  content: '';
  position: absolute;
  top: 24%;
  left: -10%;
  width: 118%;
  height: 240px;
  background:
    repeating-linear-gradient(115deg, rgba(201, 168, 106, 0.09) 0 2px, transparent 2px 24px),
    linear-gradient(35deg, rgba(201, 168, 106, 0.3), rgba(201, 168, 106, 0.03) 32%, rgba(110, 245, 66, 0.08) 62%, rgba(255, 107, 44, 0.16) 98%);
  transform: rotate(-8deg) translateY(-30px);
  pointer-events: none;
  z-index: 0;
}

.page-about .milestone-section .content-shell {
  position: relative;
  z-index: 1;
}

.page-about .stage-pic {
  margin: 0 0 2.6rem;
  padding: 6px;
  border: 1px solid rgba(201, 168, 106, 0.24);
  background: rgba(16, 30, 60, 0.64);
  border-radius: 8px;
}

.page-about .stage-pic img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-about .stage-pic figcaption {
  padding: 0.65rem 0.3rem 0.25rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.page-about .timeline-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline-list::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(110, 245, 66, 0.9), rgba(201, 168, 106, 0.75), rgba(255, 107, 44, 0.9));
  border-radius: 2px;
  opacity: 0.75;
}

.page-about .timeline-item {
  position: relative;
  margin-bottom: 2.2rem;
  padding-left: 52px;
}

.page-about .timeline-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .timeline-marker::after {
  content: '';
  position: absolute;
  left: 17px;
  top: 7px;
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.8), rgba(110, 245, 66, 0.2));
  border-radius: 2px;
  transform: rotate(7deg);
  transform-origin: left center;
}

.page-about .state-dot {
  width: 13px;
  height: 13px;
  transform: rotate(45deg);
  border-radius: 3px;
  border: 2px solid #0A1428;
  box-shadow: 0 0 0 2px rgba(110, 245, 66, 0.3);
  background: var(--green);
}

.page-about .state-dot.state-orange {
  box-shadow: 0 0 0 2px rgba(255, 107, 44, 0.32);
  background: var(--orange);
}

.page-about .state-dot.state-gold {
  box-shadow: 0 0 0 2px rgba(201, 168, 106, 0.34);
  background: var(--gold);
}

.page-about .timeline-card {
  position: relative;
  overflow: hidden;
  padding: 1.2rem 1.2rem 1.05rem;
  background: rgba(16, 30, 60, 0.68);
  border: 1px solid rgba(201, 168, 106, 0.2);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(3, 8, 20, 0.18);
}

.page-about .timeline-card::after {
  content: '';
  position: absolute;
  top: -18%;
  right: -6%;
  width: 118px;
  height: 140%;
  background: linear-gradient(135deg, rgba(110, 245, 66, 0.1), rgba(201, 168, 106, 0.04) 42%, transparent 64%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-about .timeline-year {
  position: relative;
  z-index: 1;
  margin: 0 0 0.3rem;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-about .timeline-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 0.5rem;
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-about .timeline-card > p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-about .timeline-more {
  position: relative;
  z-index: 1;
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(201, 168, 106, 0.3);
}

.page-about .timeline-more summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.page-about .timeline-more summary::-webkit-details-marker {
  display: none;
}

.page-about .timeline-more summary::after {
  content: '+';
  font-family: var(--font-data);
  font-size: 1rem;
  color: var(--orange);
  line-height: 1;
}

.page-about .timeline-more[open] summary::after {
  content: '−';
}

.page-about .timeline-more summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-about .timeline-more[open] p {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 团队组织 */
.page-about .team-section {
  padding: 3rem 0 0.5rem;
}

.page-about .team-tab {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.page-about .team-tab > input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-about .team-tab > label {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  padding: 0.58rem 0.9rem;
  border: 1px solid rgba(201, 168, 106, 0.28);
  border-radius: 999px;
  background: rgba(16, 30, 60, 0.62);
  color: var(--text-dim);
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.page-about .team-tab > label em {
  font-style: normal;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--orange);
}

.page-about .team-tab > input:checked + label {
  border-color: rgba(110, 245, 66, 0.56);
  background: rgba(110, 245, 66, 0.1);
  color: var(--text-main);
}

.page-about .team-tab > input:focus-visible + label {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-about .team-panels {
  flex: 0 0 100%;
  margin-top: 1rem;
}

.page-about .team-panel {
  display: none;
  padding: 1.2rem 1.25rem;
  background: rgba(16, 30, 60, 0.66);
  border: 1px solid rgba(201, 168, 106, 0.2);
  border-left: 3px solid var(--green);
  border-radius: 8px;
}

.page-about .team-panel[data-panel] h3 {
  margin: 0 0 0.5rem;
  font-size: 1.18rem;
  color: var(--text-main);
}

.page-about .team-count {
  font-family: var(--font-data);
  font-size: 0.86rem;
  color: var(--green);
}

.page-about .team-panel p {
  margin: 0;
  line-height: 1.8;
  color: var(--text-main);
}

.page-about .team-panel ul {
  margin: 0.8rem 0 0;
  padding-left: 1.15rem;
  color: var(--text-dim);
  line-height: 1.8;
  list-style: square;
}

.page-about .team-panel ul li::marker {
  color: var(--orange);
}

.page-about #team-data:checked ~ .team-panels [data-panel="data"],
.page-about #team-report:checked ~ .team-panels [data-panel="report"],
.page-about #team-profile:checked ~ .team-panels [data-panel="profile"],
.page-about #team-video:checked ~ .team-panels [data-panel="video"],
.page-about #team-column:checked ~ .team-panels [data-panel="column"] {
  display: block;
}

.page-about .team-pic {
  margin: 1.8rem 0 0;
  padding: 6px;
  border: 1px solid rgba(201, 168, 106, 0.2);
  background: rgba(16, 30, 60, 0.5);
  border-radius: 8px;
}

.page-about .team-pic img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-about .team-pic figcaption {
  padding: 0.6rem 0.3rem 0.2rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 数据如何工作 */
.page-about .pipeline-section {
  padding: 3.5rem 0 1rem;
  background:
    repeating-linear-gradient(-45deg, rgba(110, 245, 66, 0.03) 0 1px, transparent 1px 16px),
    linear-gradient(180deg, transparent, rgba(16, 30, 60, 0.35));
}

.page-about .pipeline-grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-about .pipeline-steps {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .pipeline-step {
  position: relative;
  padding: 1rem 1rem 1rem 3.3rem;
  background: rgba(16, 30, 60, 0.62);
  border: 1px solid rgba(201, 168, 106, 0.18);
  border-radius: 8px;
  transition: border-color 0.2s, background 0.2s;
}

.page-about .pipeline-step:hover {
  border-color: rgba(110, 245, 66, 0.42);
  background: rgba(16, 30, 60, 0.8);
}

.page-about .step-index {
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7rem;
  height: 1.7rem;
  padding: 0 0.3rem;
  border-radius: 4px;
  background: rgba(110, 245, 66, 0.12);
  color: var(--green);
  font-family: var(--font-data);
  font-size: 0.85rem;
  font-weight: 700;
}

.page-about .pipeline-step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.06rem;
  color: var(--text-main);
}

.page-about .pipeline-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-about .pipeline-figure {
  margin: 0;
  padding: 6px;
  border: 1px solid rgba(201, 168, 106, 0.22);
  background: rgba(16, 30, 60, 0.6);
  border-radius: 8px;
}

.page-about .pipeline-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-about .pipeline-figure figcaption {
  padding: 0.6rem 0.3rem 0.2rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.page-about .pipeline-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about .pipeline-metrics .metric-cell {
  border-top-color: var(--gold);
}

.page-about .pipeline-note {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.1), rgba(16, 30, 60, 0.35) 78%, transparent);
  border-left: 3px solid var(--gold);
  border-radius: 0 6px 6px 0;
}

.page-about .pipeline-note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 业务理念 */
.page-about .philosophy-section {
  position: relative;
  padding: 3.5rem 0 3rem;
}

.page-about .philosophy-grid {
  display: grid;
  gap: 1rem;
  margin-top: 0.4rem;
}

.page-about .philosophy-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 1.3rem 1.35rem;
  border: 1px solid rgba(201, 168, 106, 0.2);
  border-radius: 8px;
  background: linear-gradient(150deg, rgba(16, 30, 60, 0.72), rgba(16, 30, 60, 0.42));
}

.page-about .philosophy-card::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -34px;
  width: 98px;
  height: 98px;
  background: repeating-linear-gradient(45deg, rgba(110, 245, 66, 0.13) 0 2px, transparent 2px 10px);
  border-radius: 4px;
  transform: rotate(-8deg);
}

.page-about .philosophy-num {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-about .philosophy-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  color: var(--text-main);
}

.page-about .philosophy-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-about .philosophy-cta {
  margin-top: 2.2rem;
  padding: 1.6rem 1.3rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(110, 245, 66, 0.1), rgba(16, 30, 60, 0.64) 64%);
  border: 1px solid rgba(201, 168, 106, 0.24);
  border-radius: 10px;
}

.page-about .philosophy-cta > p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-main);
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* 滚动显现错峰 */
.page-about [data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-about [data-reveal-delay="80"] {
  transition-delay: 80ms;
}

.page-about [data-reveal-delay="160"] {
  transition-delay: 160ms;
}

/* 桌面与平板增强 */
@media (min-width: 720px) {
  .page-about .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .team-tab > label {
    padding: 0.62rem 1.05rem;
    font-size: 0.92rem;
  }

  .page-about .pipeline-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about .story-hero {
    padding: 3rem 0 4.6rem;
  }

  .page-about .story-lead {
    font-size: 1.12rem;
    line-height: 1.9;
  }

  .page-about .timeline-item {
    padding-left: 64px;
  }

  .page-about .timeline-list::before {
    left: 8px;
  }

  .page-about .timeline-marker::after {
    width: 46px;
  }

  .page-about .pipeline-grid {
    grid-template-columns: 1fr 0.9fr;
  }

  .page-about .pipeline-figure {
    margin-left: 0.8rem;
  }

  .page-about .stage-pic img,
  .page-about .team-pic img,
  .page-about .pipeline-figure img {
    aspect-ratio: auto;
  }
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}