/* About page — mobile */
.yk-about-page {
  margin: 0;
  background: #f7f7f8;
  color: #1e1f20;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  padding-bottom: 28px;
}

.yk-about-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 14px;
  background: rgba(14, 14, 16, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.yk-about-nav .back {
  color: #fff;
  font-size: 28px;
  line-height: 1;
  width: 36px;
  text-decoration: none;
}

.yk-about-nav .logo img {
  height: 26px;
  width: auto;
  display: block;
}

.yk-about-nav .tel {
  color: #D1C0A5;
  font-size: 13px;
  text-decoration: none;
  width: 36px;
  text-align: right;
}

.yk-about-hero {
  position: relative;
  min-height: 240px;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.yk-about-hero .hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 22, 0.35), rgba(7, 11, 22, 0.78));
}

.yk-about-hero .hero-copy {
  position: relative;
  z-index: 1;
  padding: 36px 20px 28px;
}

.yk-about-hero h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.yk-about-hero .slogan {
  margin: 10px 0 0;
  color: #D1C0A5;
  font-size: 14px;
}

.yk-about-hero .desc {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.yk-about-intro {
  margin: -18px 14px 0;
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.yk-about-intro .office {
  height: 160px;
  background-size: cover;
  background-position: center;
}

.yk-about-intro h2 {
  margin: 16px 16px 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #8a734f;
}

.yk-about-intro .info {
  padding: 10px 16px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #444;
}

.yk-about-intro .info p {
  margin: 0 0 10px;
}

.yk-about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 16px 14px 4px;
}

.yk-about-stats .stat {
  background: #1B1B1C;
  color: #fff;
  border-radius: 12px;
  padding: 16px 14px;
}

.yk-about-stats strong {
  display: block;
  font-size: 22px;
  color: #D1C0A5;
}

.yk-about-stats span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.yk-about-block {
  margin: 18px 14px 0;
  background: #fff;
  border-radius: 14px;
  padding: 18px 16px 16px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.yk-about-block h2 {
  margin: 0;
  font-size: 18px;
  text-align: center;
}

.yk-about-block .sub {
  margin: 6px 0 14px;
  text-align: center;
  color: #888;
  font-size: 13px;
}

.timeline .item {
  position: relative;
  padding: 0 0 16px 14px;
  border-left: 2px solid rgba(209, 192, 165, 0.55);
}

.timeline .item:last-child {
  padding-bottom: 0;
}

.timeline .item span {
  display: inline-block;
  color: #8a734f;
  font-weight: 700;
  font-size: 13px;
}

.timeline .item strong {
  display: block;
  margin-top: 2px;
  font-size: 15px;
}

.timeline .item p {
  margin: 4px 0 0;
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

.culture,
.honor-list,
.why {
  display: grid;
  gap: 10px;
}

.culture .card,
.honor-list .card,
.why .card {
  background: #f6f5f2;
  border-radius: 12px;
  padding: 14px;
}

.culture strong,
.honor-list strong,
.why strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.culture p,
.honor-list p,
.why p {
  margin: 0;
  font-size: 13px;
  color: #666;
  line-height: 1.65;
}

.why span,
.honor-list em {
  display: inline-block;
  margin-bottom: 4px;
  font-size: 12px;
  color: #8a734f;
  font-style: normal;
}

.honor-photo {
  height: 150px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  margin-bottom: 12px;
}

.yk-about-cta {
  margin: 18px 14px 0;
  background: #1B1B1C;
  color: #fff;
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
}

.yk-about-cta p {
  margin: 0 0 14px;
  font-size: 15px;
}

.yk-about-cta .actions {
  display: flex;
  gap: 10px;
}

.yk-about-cta a {
  flex: 1;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  padding: 12px 0;
  font-size: 14px;
}

.yk-about-cta a.gold {
  background: #D1C0A5;
  color: #1B1B1C;
  border-color: #D1C0A5;
  font-weight: 600;
}

.yk-about-foot {
  margin-top: 20px;
  padding: 0 16px;
  text-align: center;
  font-size: 11px;
  line-height: 1.7;
  color: #999;
}