/* =====================================================
   关于我们 /about 专用样式
   风格：深色 Hero + 白色区块 + 深色数据区，与首页/解决方案统一
   ===================================================== */
:root {
  --ab-primary: #174187;
  --ab-primary-dark: #0e2e68;
  --ab-primary-light: #2a57a8;
  --ab-gold: #c9a364;
}

/* ===== 1. Hero 区 ===== */
.ab-hero {
  position: relative;
  padding: 96px 0 112px;
  overflow: hidden;
}
.ab-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.ab-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.ab-hero-mask {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(14, 46, 104, .55) 0%, rgba(23, 65, 135, .72) 100%);
}
.ab-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.ab-hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--ab-gold);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(201, 163, 100, .5);
  border-radius: 30px;
  padding: 7px 22px;
  margin-bottom: 22px;
  text-transform: uppercase;
}
.ab-hero-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin: 0;
  letter-spacing: 2px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, .25);
}
.ab-hero-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin: 20px auto 0;
}
.ab-hero-line span {
  display: block;
  height: 3px;
  border-radius: 2px;
}
.ab-hero-line .ln-main {
  width: 56px;
  background: var(--ab-gold);
}
.ab-hero-line .ln-side {
  width: 18px;
  background: rgba(255, 255, 255, .65);
}
.ab-hero-subtitle {
  max-width: 780px;
  margin: 20px auto 0;
  color: rgba(255, 255, 255, .9);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: .5px;
}

/* ===== 区块通用 ===== */
.ab-section {
  padding: 78px 0 90px;
}
.ab-section.bg-white { background: #fff; }
.ab-section.bg-light-gray { background: #f7f9fc; }
.ab-section.bg-dark { background: #142d57 !important; } /* 覆盖 Bootstrap .bg-dark */
.ab-section-header {
  text-align: center;
  margin-bottom: 48px;
}
.ab-section-label {
  color: var(--ab-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.ab-section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ab-primary);
  margin: 0;
  line-height: 1.3;
  position: relative;
}
.ab-section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--ab-gold);
  border-radius: 2px;
  margin: 16px auto 0;
}
.ab-section-subtitle {
  margin-top: 16px;
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}
.ab-section-header.light .ab-section-title { color: #fff; }
.ab-section-header.light .ab-section-subtitle { color: rgba(255, 255, 255, .7); }

/* ===== 2. 公司简介 ===== */
.ab-story-img {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(23, 65, 135, .14);
}
.ab-story-img img {
  width: 100%;
  display: block;
  object-fit: cover;
}
.ab-story-text h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ab-primary);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid #eef2f8;
  position: relative;
}
.ab-story-text h3::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 52px;
  height: 2px;
  background: var(--ab-gold);
}
.ab-story-text p {
  font-size: 14.5px;
  line-height: 1.95;
  color: #555;
  margin-bottom: 16px;
}
.ab-feature-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
}
.ab-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}
.ab-feature-list .feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ab-primary) 0%, var(--ab-primary-light) 100%);
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(23, 65, 135, .25);
}
.ab-feature-list .feature-text strong {
  display: block;
  font-size: 15px;
  color: var(--ab-primary);
  margin-bottom: 4px;
}
.ab-feature-list .feature-text span {
  font-size: 13.5px;
  color: #777;
  line-height: 1.7;
}

/* ===== 3. 核心优势 ===== */
.ab-adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.ab-adv-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 14px;
  padding: 38px 30px 34px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(23, 65, 135, .06);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.ab-adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ab-gold), var(--ab-primary-light));
  transition: width .35s ease;
}
.ab-adv-card:hover {
  transform: translateY(-8px);
  border-color: var(--ab-primary-light);
  box-shadow: 0 16px 36px rgba(23, 65, 135, .14);
}
.ab-adv-card:hover::before { width: 80%; }
.ab-adv-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ab-primary) 0%, var(--ab-primary-light) 100%);
  color: #fff;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(23, 65, 135, .3);
}
.ab-adv-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ab-primary);
  margin-bottom: 12px;
}
.ab-adv-desc {
  font-size: 13.5px;
  color: #666;
  line-height: 1.85;
  margin: 0;
}

/* ===== 4. 资质认证 ===== */
.ab-cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ab-cert-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 14px;
  padding: 30px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all .3s ease;
}
.ab-cert-card:hover {
  border-color: var(--ab-gold);
  box-shadow: 0 10px 28px rgba(201, 163, 100, .18);
  transform: translateY(-4px);
}
.ab-cert-badge {
  width: 62px;
  height: 62px;
  flex-shrink: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #f7f9fc 0%, #eef2f8 100%);
  border: 1px solid #e3e9f2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--ab-primary);
  letter-spacing: .5px;
  text-align: center;
  line-height: 1.25;
  padding: 6px;
}
.ab-cert-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ab-primary);
  margin: 0 0 6px;
}
.ab-cert-info p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
  margin: 0;
}

/* ===== 5. 数据一览 ===== */
.ab-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.ab-stat-item {
  text-align: center;
  padding: 26px 15px;
}
.ab-stat-number {
  font-size: 46px;
  font-weight: 800;
  color: var(--ab-gold);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.ab-stat-divider {
  width: 30px;
  height: 2px;
  background: rgba(201, 163, 100, .45);
  margin: 14px auto;
}
.ab-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
  letter-spacing: 1px;
}

/* ===== 6. 合作伙伴 ===== */
.ab-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.ab-partner-box {
  border: 1px solid #e5e6eb;
  background: #fff;
  padding: 10px;
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.ab-partner-box:hover {
  border-color: var(--ab-primary);
  border-width: 2px;
  padding: 9px;
  box-shadow: 0 10px 24px rgba(23, 65, 135, .12);
}
.ab-partner-name {
  text-align: center;
  font-size: 14px;
  color: var(--ab-primary);
  font-weight: 500;
  margin-top: 16px;
  line-height: 1.4;
  padding: 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* —— 5 家公司 Logo 样式（与首页一致） —— */
.ab-plogo { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; flex-direction: column; }
/* 卡迪娜 KADINA */
.ab-plogo-kadina { gap: 4px; }
.ab-plogo-kadina .kadina-txt { color: #e21918; font-weight: 800; letter-spacing: 1px; font-size: 15px; }
/* 真丽斯 GENLESE */
.ab-plogo-genlese { gap: 4px; }
.genlese-logo-mark {
  width: 28px; height: 28px; border-radius: 50%;
  background: #32b36a; color: #fff; font-weight: 700; font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-right: 8px;
}
.genlese-txt { font-size: 18px; color: #555; font-weight: 700; letter-spacing: 0.3px; }
.genlese-txt .gl-g { color: #32b36a; font-weight: 800; }
/* 雍加·国际 UKE 红底 */
.ab-plogo-yongjia {
  background: #e21918;
  color: #fff;
  padding: 10px 16px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.yj-top { display: flex; align-items: baseline; gap: 6px; }
.yj-uke { font-size: 24px; font-weight: 800; letter-spacing: 1px; }
.yj-1998 { font-size: 12px; font-weight: 700; }
.yj-cn { font-size: 13px; letter-spacing: 2px; border-top: 1px solid #fff; padding-top: 4px; margin-top: 2px; }
/* 李时珍·本草纲目 */
.ab-plogo-lishizhen { gap: 2px; }
.lsz-arch { font-size: 10px; letter-spacing: 1.5px; color: #333; font-weight: 700; text-transform: uppercase; }
.lsz-badge {
  width: 52px; height: 46px;
  background: #fff;
  border: 2px solid #17733e;
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
}
.lsz-leaf { color: #17733e; font-size: 28px; }
.lsz-bar { background: #17733e; color: #fff; font-size: 12px; padding: 2px 8px; font-weight: 700; }
/* 康利达包装 KLD */
.ab-plogo-kanglida { gap: 4px; flex-direction: column; }
.kld-top { color: #174187; font-weight: 800; letter-spacing: 1px; }
.kld-ii { font-size: 20px; }
.kld-kld { font-size: 24px; }
.kld-cn { color: #174187; font-size: 15px; font-weight: 700; letter-spacing: 2px; }

/* ===== 7. 联系我们 ===== */
.ab-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.ab-contact-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 14px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(23, 65, 135, .06);
  transition: all .3s ease;
}
.ab-contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 34px rgba(23, 65, 135, .14);
}
.ab-contact-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ab-primary) 0%, var(--ab-primary-light) 100%);
  color: #fff;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(23, 65, 135, .28);
}
.ab-contact-card h5 {
  font-size: 14px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  font-weight: 600;
}
.ab-contact-card p {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ab-primary);
  margin: 0;
  line-height: 1.6;
  word-break: break-all;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .ab-hero { padding: 72px 0 84px; }
  .ab-hero-title { font-size: 32px; }
  .ab-adv-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-cert-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .ab-partners-grid { grid-template-columns: repeat(3, 1fr); }
  .ab-contact-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-section { padding: 60px 0; }
}
@media (max-width: 576px) {
  .ab-hero { padding: 56px 0 64px; }
  .ab-hero-title { font-size: 24px; }
  .ab-hero-subtitle { font-size: 13.5px; }
  .ab-adv-grid, .ab-cert-grid, .ab-contact-grid { grid-template-columns: 1fr; }
  .ab-partners-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-stats-grid { gap: 10px; }
  .ab-stat-number { font-size: 34px; }
  .ab-section-title { font-size: 26px; }
  .ab-section { padding: 44px 0; }
}