/* ===== 关于我们 guanyu 专属样式 ===== */

/* 首屏：满幅团队照，文字左下 */
.hero-about {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 150px 0 130px;
}
.hero-about .ph-bg { position: absolute; inset: 0; }
.hero-about .ph-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-about .ph-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(21,50,56,.78) 0%, rgba(21,50,56,.35) 60%, rgba(21,50,56,.2) 100%);
}
.hero-about .ph-main {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero-about .sec-kicker {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green-300);
  font-weight: 600;
  letter-spacing: 3px;
}
.hero-about .hero-title {
  font-size: 46px;
  line-height: 1.25;
  margin: 0 0 18px;
  color: #fff;
  background: none;
  -webkit-text-fill-color: #fff;
}
.hero-about .ph-desc {
  font-size: 17px;
  color: #EAF6EF;
  line-height: 1.9;
  margin: 0;
  max-width: 560px;
}

/* 折线分割 */
.split {
  position: relative;
  height: 60px;
  overflow: hidden;
  line-height: 0;
}
.split svg { width: 100%; height: 100%; display: block; }
.split-green { color: var(--green-500); }
.split-blue { color: var(--blue-500); }
.split-yellow { color: var(--yellow-400); }
.split.flip { transform: scaleY(-1); }

/* 机构介绍分栏 */
.intro-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 24px;
}
.intro-col p {
  color: var(--ink-700);
  line-height: 2;
  margin: 0 0 16px;
  font-size: 16px;
}

/* 理念卡 */
.belief-grid { gap: 22px; margin-top: 36px; }
.belief-card { padding: 30px 26px; }
.belief-card h3 { margin: 8px 0 10px; font-size: 20px; color: var(--ink-900); }
.belief-card p { margin: 0; color: var(--ink-700); line-height: 1.9; }

/* 团队图文 */
.team-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 24px;
}
.team-fig { margin: 0; }
.team-fig img {
  width: 100%;
  border-radius: 12px;
  display: block;
  box-shadow: 0 12px 34px rgba(21,50,56,.14);
}
.team-fig figcaption {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.7;
}
.team-txt { margin-top: 26px; max-width: 820px; }
.team-txt p { color: var(--ink-700); line-height: 2; margin: 0 0 14px; }

/* 时间轴 */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 36px auto 0;
  padding-left: 30px;
  border-left: 3px solid var(--green-100);
}
.tl-item { position: relative; padding: 0 0 30px 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -38px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green-500);
  border: 3px solid var(--green-100);
}
.tl-item h3 { margin: 0 0 8px; font-size: 18px; color: var(--ink-900); }
.tl-item p { margin: 0; color: var(--ink-700); line-height: 1.9; }

/* 数据统计 */
.stat-grid { gap: 20px; text-align: center; }
.stat-num {
  background: #fff;
  border-radius: 12px;
  padding: 28px 16px;
  border: 1px solid var(--green-100);
  font-size: 40px;
  font-weight: 800;
  color: var(--green-500);
}
.stat-num.blue { color: var(--blue-500); }
.stat-num.yellow { color: #C99A1E; }
.stat-num span { display: block; font-size: 14px; color: var(--ink-500); font-weight: 400; margin-top: 6px; }
.stat-note {
  text-align: center;
  color: var(--ink-500);
  font-size: 14px;
  margin: 20px 0 0;
}

/* 相关导航 */
.rel-grid { gap: 18px; margin-top: 28px; }
.rel-card { padding: 22px 20px; display: block; color: inherit; text-decoration: none; }
.rel-card h3 { margin: 0 0 8px; font-size: 18px; color: var(--green-500); }
.rel-card p { margin: 0; color: var(--ink-700); line-height: 1.7; font-size: 14px; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .intro-flex, .team-imgs { grid-template-columns: 1fr; gap: 24px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero-about { padding: 100px 0 80px; }
  .hero-about .hero-title { font-size: 30px; }
  .split { height: 36px; }
  .belief-grid, .stat-grid { grid-template-columns: 1fr; }
}

/* 首屏标题强制可见 */
.hero-about .hero-title,
.hero-about .hero-title .line,
.hero-about .hero-title .line > span,
.hero-about .ph-desc,
.hero-about .sec-kicker {
  opacity: 1 !important;
  transform: none !important;
}