body {
  margin: 0;
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  background-color: #0e0e0e;
  color: #e8e8e8;
  line-height: 1.6;
}

.hero-banner {
  width: 100%;
  overflow: hidden;
  background-color: #000;
}

.hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* 👈 四等分 */
  gap: 0.8rem;
  padding: 1rem;
  max-width: 500px;
  margin: 1rem auto 0;
}


.tab-button {
  padding: 0.5rem 0.8rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}



.tab-button.active,
.tab-button:hover {
  background-color: #fff;
  color: #111;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  padding: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.product-grid.visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 1rem;
  cursor: pointer;
  transition: transform 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-card:hover {
  transform: translateY(-4px);
}

.title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0.6rem 0 0.4rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sales-info {
  font-size: 0.85rem;
  color: #aaa;
  margin-top: 0.3rem;
}

.badge-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  animation: bounce 1.5s infinite;
  line-height: 1;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: #111;
  max-width: 600px;
  width: 90%;
  padding: 1.5rem;
  border-radius: 1rem;
  color: #eee;
  overflow-y: auto;
  max-height: 80vh;
}

.close-button {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: #fff;
  color: #111;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: bold;
}

/* ✅ 卡片封面轮播图 */
.card-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 0.6rem;
}

.card-carousel img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
  user-select: none;
}

.card-carousel img.active {
  opacity: 1;
  z-index: 1;
}

/* ✅ 弹窗轮播图（不闪） */
.carousel {
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
}

.carousel-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  user-select: none;
}

.carousel-img.active {
  opacity: 1;
  z-index: 1;
  position: relative;
}

.carousel .prev,
.carousel .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: 1.5rem;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  z-index: 2;
}

.carousel .prev {
  left: 10px;
}

.carousel .next {
  right: 10px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  background: #888;
  border-radius: 50%;
  opacity: 0.5;
  cursor: pointer;
  transition: all 0.3s;
}

.dot.active {
  background: #fff;
  opacity: 1;
}

.wechat-section {
  text-align: center;
  padding: 3rem 1rem;
  background-color: #0e0e0e;
  border-top: 1px solid #222;
}

.wechat-section h2 {
  font-size: 1.6rem;
  font-weight: 500;
  color: #e8e8e8;
  margin-bottom: 1.5rem;
}

.wechat-qr {
  max-width: 180px;
  width: 100%;
  margin-bottom: 1rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.contact-section {
  background-color: #1e1e1e;
  padding: 2rem;
  text-align: center;
  color: #fff;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

.contact-item {
  font-size: 1rem;
  color: #ccc;
}

.contact-item a {
  color: #0af;
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

.copy-success {
  margin-left: 1rem;
  color: #0f0;
  display: none;
}

.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  color: #999;
  background-color: #0e0e0e;
  border-top: 1px solid #222;
}

.btn,
#copyBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, #00c853, #00e676);
  color: white;
  padding: 0.6rem 1.4rem;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
}

.btn:hover,
#copyBtn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #00b248, #00d563);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.floating-menu {
  position: fixed;
  right: 20px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  font-family: "Font Awesome 6 Free", Arial, sans-serif;
  font-weight: 900;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  transition: background 0.3s, transform 0.2s;
}

.float-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 2rem auto;
  color: #fff;
  font-size: 1rem;
}

.pagination button {
  padding: 0.5rem 1rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

.pagination button:disabled {
  background-color: #555;
  cursor: not-allowed;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

.modal.fade-in {
  animation: fadeIn 0.3s forwards;
}

.modal.fade-out {
  animation: fadeOut 0.3s forwards;
}

.language-switch {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 999;
}
#languageBar {
  position: fixed;
  top: 10px;
  right: 10px;
  background-color: transparent; /* ✅ 透明背景 */
  padding: 0;
  margin: 0;
  box-shadow: none;              /* ✅ 无阴影 */
  border-radius: 0;              /* ✅ 无圆角 */
  z-index: 999;
}


#languageSelector {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding: 6px 30px 6px 12px;
  font-size: 14px;
  border-radius: 6px;
  border: 1px solid #ccc;
  background-color: white;
  background-image: url("data:image/svg+xml,%3Csvg fill='black' height='14' viewBox='0 0 24 24' width='14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

#languageSelector:hover {
  border-color: #888;
}


.lang-switcher select {
  background-color: #222;
  color: #fff;
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  border: 1px solid #444;
  border-radius: 4px;
  cursor: pointer;
}

.lang-switcher select:focus {
  outline: none;
  box-shadow: 0 0 0 2px #00c853;
}

.telegram-info {
  margin-top: 1rem;
  text-align: center;
}

.telegram-qr {
  width: 120px;
  border-radius: 8px;
  margin: 0.5rem auto;
}

.telegram-info a {
  color: #08c;
  font-weight: bold;
  text-decoration: none;
}

.telegram-info a:hover {
  text-decoration: underline;
}
/* ✅ 懒加载 + 模糊过渡效果 */
.blur-up {
  filter: blur(10px);
  transition: filter 0.4s ease;
}
.blur-up.lazyloaded {
  filter: blur(0);
}