.mobile-site-footer {
  background: #151515;
  color: #fff;
  padding: 4.2rem 0 6.4rem;
}

.mobile-site-footer a {
  color: inherit;
  text-decoration: none;
}

.mobile-site-footer__inner {
  width: min(100% - 3.2rem, 52rem);
  margin: 0 auto;
}

.mobile-footer-group {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.mobile-footer-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.6rem;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.mobile-footer-group summary::-webkit-details-marker {
  display: none;
}

.mobile-footer-group summary::after {
  content: "";
  width: 0.85rem;
  height: 0.85rem;
  border-right: 0.34rem solid #fff;
  border-bottom: 0.34rem solid #fff;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.mobile-footer-group[open] summary::after {
  transform: translateY(0.25rem) rotate(225deg);
}

.mobile-footer-group nav {
  display: grid;
  gap: .8rem;
  padding: 0 0 2.2rem 2.2rem;
}

.mobile-footer-group nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.2rem;
  line-height: 1.4;
}

.mobile-footer-subscribe {
  display: flex;
  align-items: center;
  margin: 3.2rem 0 2.8rem;
  height: 3.6rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  overflow: hidden;
}

.mobile-footer-subscribe input {
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 0 1.6rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: #fff;
  font-size: 1.2rem;
}

.mobile-footer-subscribe input::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.mobile-footer-subscribe button {
  width: 11.2rem;
  height: 100%;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff9d18 0%, #ff7b00 100%);
  color: #fff;
  font-size: 1.55rem;
  font-weight: 600;
}

.mobile-footer-contact {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.4rem;
  margin-bottom: 1.4rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.2rem;
  display: inline-block;
}

.mobile-footer-contact a {
  position: relative;
  padding-left: 2rem;
}

.mobile-footer-contact a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  /* 垂直居中 */
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;

  /* 换成完整显示的 SVG */
  background-image: url('https://store.hiwonder.com.cn/uploads/20220321/Focf7ZE6PYpPZzIxWzL0IQxpeAhZ/iphone.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  /* 关键：完整显示、不变形 */
}

.mobile-footer-social {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin: -3.2rem 0 1.4rem auto;
}

.mobile-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2.2rem;
  border-radius: 50%;
  color: #151515;
  font-size: 1rem;
  font-weight: 800;
}

.mobile-footer-records {
  display: grid;
  gap: 1.6rem;
  padding-top: 2.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.1rem;
  line-height: 1.7;
}

.mobile-footer-records p {
  margin: 0;
}

@media (min-width: 769px) {
  .mobile-site-footer {
    display: none;
  }
}