/* ============================================================
   关于我们 about.css
   ============================================================ */
/* Sticky Footer：页脚始终在最底部，内容不够时中间留白 */
body[data-page="about"] {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body[data-page="about"] .page-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}
body[data-page="about"] .service-v3-bar {
  margin-top: auto;
}
.page-about .page-main { padding-bottom: 0; }
.page-about .section { padding: 72px 0; }

/* ---------- Hero 横幅 ---------- */
.about-hero {
  position: relative;
  height: 460px;
  background: url("../../assets/images/about-hero-bg.png") center/cover no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.about-hero .container { position: relative; z-index: 1; }
.about-hero h1 {
  margin: 0;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.about-hero h1 .hero-blue { color: #1868E2; }
.about-hero h1 .hero-dark { color: #333333; }
.about-hero .hero-subtitle {
  margin-top: 16px;
  font-size: 20px;
  color: #999999;
  letter-spacing: 4px;
  font-weight: 400;
}

/* ---------- 关于我们 ---------- */
.about-intro {
  position: relative;
  background: url("../../assets/images/about-culture-bg.png") bottom center / 100% auto no-repeat;
}
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
  position: relative;
  z-index: 1;
}
.about-intro-title { margin-bottom: 22px; }
.about-intro-title h2 {
  margin: 0 0 14px;
  color: #252525;
  font-size: 28px;
  font-weight: 800;
}
.about-intro-title h2 span {
  color: #efefef;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.about-title-line {
  display: block;
  position: relative;
  width: 100%;
  max-width: 568px;
  height: 2px;
  background: #ececec;
}
.about-title-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #193a8a, #6f1fb8);
}
.about-intro-copy > p {
  margin: 0 0 20px;
  color: #666;
  font-size: 15px;
  line-height: 1.55;
  text-align: justify;
}
.about-sub-title {
  margin: 0 0 20px;
  color: #1a2740;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
}
.about-intro-copy p strong {
  display: block;
  margin: 0 0 4px;
  margin-bottom: -10px;
  color: #1a2740;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}
.about-metric-row {
  display: none; /* 隐藏数据指标模块，需要恢复时改回 flex */
  gap: 38px;
}
.about-metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.about-metric-item img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}
.about-metric-copy strong {
  display: block;
  color: #1a2740;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.1;
}
.about-metric-copy span {
  color: #8490a2;
  font-size: 12px;
  white-space: nowrap;
}
.about-intro-photo {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
}
.about-intro-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 居中模块标题（双层渐变胶囊装饰） ---------- */
.about-section-heading {
  text-align: center;
  margin-top: 0;
  margin-bottom: 36px;
}
.about-section-heading h2 {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin: 0 0 10px;
  font-family: AlimamaShuHeiTi, AlimamaShuHeiTi;
  font-weight: bold;
  font-size: 32px;
  color: #333333;
}
.about-section-heading h2::before,
.about-section-heading h2::after {
  content: "";
  width: 144px;
  height: 26px;
  border-radius: 100px 0 0 100px;
  background:
    linear-gradient(180deg, #fff 0%, #fff 53.8%, transparent 53.8%),
    linear-gradient(90deg, transparent, #B9D3FF);
  background-blend-mode: multiply;
  box-shadow: 0 12px 0 0 rgba(185,211,255,0.55);
}
.about-section-heading h2::after {
  transform: scaleX(-1);
}
.about-section-heading p {
  margin: 0;
  color: #737373;
  font-size: 14px;
}

/* ---------- 大厂合作 ---------- */
.about-cooperation-desc {
  margin: 0 auto 34px;
  color: #666;
  font-size: 15px;
  line-height: 1.9;
}
.about-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.about-photo-grid figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 30px rgba(23, 105, 255, 0.10);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.about-photo-grid figure:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(23, 105, 255, 0.18);
}
.about-photo-grid figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-coop-grid figure { aspect-ratio: 376 / 267; background: #fff; border: none; box-shadow: none; }
.about-coop-grid figure img { object-fit: cover; padding: 0; border-radius: 0; }
.about-case-grid figure { aspect-ratio: 376 / 233; }

/* ---------- 愿景与使命 / 价值观 ---------- */
.about-vision {
  margin-top: -95px;
  padding: 80px 0 88px;
  background: linear-gradient(180deg, #f2f6ff 0%, #dee8fe 100%);
}
.about-vision-grid {
  display: flex;
  align-items: center;
  gap: 230px;
  padding: 0 110px;
}
.about-vision-item {
  display: flex;
  align-items: center;
  gap: 24px;
}
.about-vision-icon {
  width: 88px;
  height: 88px;
  object-fit: contain;
  flex-shrink: 0;
}
.about-vision-item h3 {
  margin: 0 0 12px;
  color: #252525;
  font-size: 24px;
  font-weight: 800;
}
.about-vision-item p {
  margin: 0;
  color: #666;
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- 学员实战案例 ---------- */
.about-cases { padding-bottom: 84px; }

/* ---------- 全国中心 ---------- */
.about-center { padding-top: 72px; }
.about-center-map-wrap {
  position: relative;
  margin-bottom: 150px;
}
.about-center-map {
  display: block;
  width: 100%;
  border-radius: 14px 14px 0 0;
}
.about-center-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #f6f8fb;
  border-radius: 0 0 14px 14px;
  box-shadow: 0 16px 40px rgba(31, 67, 134, 0.12);
  padding: 26px 38px 30px;
}
.about-center-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.about-center-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  padding: 0 0 16px;
  color: #1a2740;
  font-size: 19px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}
.about-center-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 168px;
  height: 5px;
  border-radius: 999px;
  background: #1769ff;
}
.about-center-tab.is-disabled {
  color: #1a2740;
  cursor: not-allowed;
}
.about-center-badge {
  font-style: normal;
  color: #1769ff;
  border: 1px solid #9cc0ff;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}
.about-center-info {
  display: flex;
  gap: 90px;
  padding-top: 22px;
  border-top: 1px solid #e6ecf5;
  color: #666;
  font-size: 15px;
}
.about-center-info span { white-space: nowrap; }

/* ---------- 服务保障（与首页一致） ---------- */
/* 服务保障条复用全局 styles.css 样式 */

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .about-intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-photo-grid { gap: 22px; }
  .about-vision-grid { gap: 36px; }
}
@media (max-width: 860px) {
  .about-hero { height: 240px; }
  .about-hero h1 { font-size: 26px; }
  .page-about .section { padding: 52px 0; }
  .about-section-heading h2 { font-size: 24px; gap: 12px; }
  .about-section-heading h2::before,
  .about-section-heading h2::after { width: 60px; }
  .about-photo-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-case-grid figure { aspect-ratio: 16 / 9; }
  /* 大厂合作图按原始 4:3 比例完整展示，避免裁切 */
  .about-coop-grid figure { aspect-ratio: 792 / 592; }
  .about-vision { padding: 44px 0; }
  .about-vision-grid { flex-direction: column; align-items: flex-start; gap: 28px; padding: 0; }
  .about-center-map-wrap { margin-bottom: 0; }
  .about-center-map { border-radius: 14px; }
  .about-center-panel {
    position: static;
    margin-top: 16px;
    border-radius: 14px;
  }
  .about-center-tabs { grid-template-columns: 1fr; gap: 14px; }
  .about-center-tab { padding-bottom: 10px; }
  .about-center-info { flex-direction: column; gap: 8px; }
  /* 移动端地址允许换行，避免 nowrap 撑破页面宽度 */
  .about-center-info span { white-space: normal; }

}
@media (max-width: 560px) {
  .about-metric-row { flex-wrap: wrap; gap: 18px; }
  .about-vision-item { gap: 16px; }
  .about-vision-icon { width: 64px; height: 64px; }

}


/* ===== 企业文化模块 ===== */
.about-culture {
  padding: 80px 0;
  background: url("../../assets/images/about-culture-bg.png") center / cover no-repeat;
}
.about-culture-title {
  margin-bottom: 40px;
}
.about-culture-title h2 {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
}
.about-culture-title h2 span {
  font-size: 24px;
  font-weight: 400;
  color: #a8b5cc;
}
.about-culture-title .about-title-line {
  display: block;
  width: 48px;
  height: 4px;
  margin-top: 12px;
  background: linear-gradient(90deg, #1769ff, #4a90ff);
  border-radius: 2px;
}
.about-culture-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.about-culture-card {
  position: relative;
  padding: 40px;
  padding-left: 50px;
  border-radius: 0;
  background: linear-gradient(180deg, rgba(55,141,245,0.18) 0%, rgba(255,255,255,0.69) 100%);
  border: 1px solid;
  opacity: 0.73;
  border-image: linear-gradient(5deg, rgba(144, 196, 255, 0.11), rgba(143, 175, 243, 1)) 1 1;
}
.about-culture-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 204px;
  background: #3F8EFB;
  opacity: 0.5;
}
.about-culture-card-header {
  margin-bottom: 28px;
}
.about-culture-card-header span {
  display: block;
  font-size: 14px;
  color: #6b7a90;
  margin-bottom: 6px;
}
.about-culture-card-header h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  color: #1a2740;
}
.about-culture-line {
  display: block;
  width: 40px;
  height: 3px;
  background: #1769ff;
  border-radius: 2px;
}
.about-culture-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.about-culture-list li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(180,200,230,.2);
}
.about-culture-list li:last-child {
  border-bottom: none;
}
.about-culture-list li strong {
  flex-shrink: 0;
  width: 80px;
  font-size: 15px;
  font-weight: 600;
  color: #2643CE;
}
.about-culture-list li span {
  font-size: 14px;
  color: #53637a;
  line-height: 1.7;
}
.about-culture-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.about-culture-item h4 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: #1a2740;
}
.about-culture-item p {
  margin: 0;
  font-size: 14px;
  color: #53637a;
  line-height: 1.8;
}

/* 响应式 */
@media (max-width: 900px) {
  .about-culture-grid {
    grid-template-columns: 1fr;
  }
}


/* 移动端关于我们banner */
@media (max-width: 600px) {
  .page-about .page-intro,
  .about-hero {
    background: url("../../assets/images/about-banner-mobile.png") center / cover no-repeat;
    min-height: 530px;
  }
}


/* 移动端关于我们banner标题样式 */
@media (max-width: 600px) {
  .page-about .page-intro h1,
  .about-hero h1 {
    font-family: AlimamaShuHeiTi, AlimamaShuHeiTi !important;
    font-weight: bold !important;
    font-size: 40px !important;
    line-height: 1.3 !important;
  }
}


/* 移动端关于我们banner调整 */
@media (max-width: 600px) {
  .about-hero {
    min-height: 385px !important;
  }
  .about-hero .hero-subtitle {
    display: none !important;
  }
}


/* 移动端关于我们banner文字居中并上移 */
@media (max-width: 600px) {
  .about-hero .container {
    text-align: center;
    padding-top: 0px !important;
    margin-bottom: 200px;
  }
}