footer {
  background-color: var(--footer-bg, #f5f5f5);
  color: var(--footer-text, #555555);
  padding: 3rem 0 1.5rem;
  position: relative;
  z-index: 10;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-about {
  grid-column: span 1;
}
.footer-col h3 {
  color: var(--footer-title, #333333);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  position: relative;
}
.footer-col p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-tagline {
  font-style: italic;
  color: var(--primary, #f08a5d);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}
.footer-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(240, 138, 93, 0.1);
  border-radius: 50%;
  color: var(--primary, #f08a5d);
  text-decoration: none;
  transition: all 0.3s;
  font-size: 1.2rem;
}
.footer-social-icon:hover {
  background-color: var(--primary, #f08a5d);
  color: white;
  transform: translateY(-3px);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.8rem;
}
.footer-links a {
  color: var(--footer-text, #555555);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
  display: inline-block;
}
.footer-links a:hover {
  color: var(--primary, #f08a5d);
  transform: translateX(5px);
}
.copyright {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.85rem;
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
  }
  .footer-col {
    text-align: center;
  }
  .footer-col h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    position: relative;
    padding-bottom: 0.5rem;
  }
  .footer-col h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: var(--primary);
  }
  .footer-col p {
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
  }
  .footer-tagline {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
  }
  .footer-social {
    justify-content: center;
    margin-top: 1rem;
  }
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
  }
  .footer-links li {
    margin-bottom: 0.5rem;
  }
  .footer-links a {
    font-size: 0.85rem;
    padding: 0.3rem 0.5rem;
  }
  .copyright {
    padding-top: 1rem;
    font-size: 0.8rem;
  }
}
@media (max-width: 480px) {
  footer {
    padding: 2rem 0 5rem;
  }
  .footer-col h3 {
    font-size: 1rem;
  }
  .footer-col p,
  .footer-links a {
    font-size: 0.8rem;
  }
  .footer-social-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
}
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  padding: 0.5rem 0;
  justify-content: space-around;
  overflow-x: auto;
  white-space: nowrap;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}
.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--gray);
  font-size: 0.65rem;
  padding: 0.3rem 0.5rem;
  min-width: 60px;
  transition: all 0.3s ease;
}
.mobile-nav-icon {
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
  transition: all 0.3s ease;
}
.mobile-nav-item.active {
  color: var(--primary);
}
.mobile-nav-item:hover {
  color: var(--primary);
}
@media (max-width: 375px) {
  .mobile-nav-item {
    font-size: 0.6rem;
    min-width: 50px;
  }
  .mobile-nav-icon {
    font-size: 1rem;
  }
}
@media (max-width: 768px) {
  .mobile-nav {
    display: flex !important;
  }
  body {
    padding-bottom: 60px !important;
  }
}
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 9999;
  overflow: hidden;
  background: linear-gradient(135deg, #f08a5d, #f9b384);
  box-shadow: 0 6px 20px rgba(240, 138, 93, 0.3);
  transform: translateY(20px);
}
.back-to-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
  z-index: 1;
}
.back-to-top-icon {
  position: relative;
  z-index: 2;
  font-size: 1.5rem;
  color: white;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  width: 30px;
  height: 30px;
  background-image: url("/themes/web/ogmiao/img/miao.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.back-to-top-icon::before {
  content: "";
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px 25px rgba(240, 138, 93, 0.4);
}
.back-to-top:hover .back-to-top-icon {
  transform: translateY(-5px);
}
.back-to-top:active {
  transform: scale(0.95);
  box-shadow: 0 3px 10px rgba(240, 138, 93, 0.3);
}
.back-to-top .ripple {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple 0.8s linear;
  pointer-events: none;
}
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}
@media (max-width: 768px) {
  .back-to-top {
    bottom: 75px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}
@media (max-width: 480px) {
  .back-to-top {
    bottom: 80px;
    right: 15px;
    width: 45px;
    height: 45px;
  }
  .back-to-top-icon {
    font-size: 1.3rem;
  }
}
.scroll-progress-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: transparent;
  z-index: 0;
}
.scroll-progress-indicator::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  bottom: 3px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
}
.scroll-progress-indicator::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  bottom: 3px;
  border-radius: 50%;
  border: 2px solid white;
  clip-path: var(--scroll-progress, polygon(0% 0%, 100% 0%, 100% 0%, 0% 0%));
  transition: clip-path 0.3s ease;
}
.back-to-top.visible {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}