body {
  font-size: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  color: #ccc;
  margin: 0;
  background: #000;
  padding-top: 60px;
}
a {
  text-decoration: none;
  color: #fff;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}
.container {
  width: 1280px;
  max-width: 96%;
  margin-left: auto;
  margin-right: auto;
}
.container.small {
  width: 1000px;
}
.container.tiny {
  width: 800px;
}
.bold {
  font-weight: bold;
}
.center {
  text-align: center;
}
.red {
  color: #ff6d00;
}
.flex {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
}
.flex.row {
  flex-direction: row;
}
.flex.start {
  align-items: flex-start;
}
.flex.stretch {
  align-items: stretch;
}
.flex.gap-20 {
  gap: 20px;
}
.flex .auto {
  flex: 1;
}
header {
  background-color: #000;
  padding: 20px 20px;
  border-bottom: 1px solid #4f4f4f;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}
header .logo h3 {
  font-size: 30px;
  display: inline-block;
  color: #fff;
}
header .menu a {
  display: inline-block;
  padding: 10px 0;
  font-weight: bold;
  font-size: 16px;
}
header .menu a.active {
  border-bottom: 2px solid #ff6d00;
}
header .menu .btn {
  background: #4f4f4f;
  border: #ff6d00 1px solid;
  color: #fff;
  border-radius: 5px;
  padding: 6px 15px;
}
@media (max-width: 640px) {
  header .logo h3 {
    font-size: 24px;
  }
}
@media (max-width: 480px) {
  header {
    padding: 0 10px;
  }
  header .logo h3 {
    font-size: 16px;
  }
  header .menu a {
    font-size: 14px;
  }
}
.banner {
  padding: 60px 0;
}
.banner h1,
.banner h2 {
  font-size: 96px;
  color: #ff6d00;
}
.banner h3 {
  color: #ff6d00;
}
.banner .text {
  line-height: 1.5;
  font-size: 16px;
  white-space: pre-wrap;
}
.banner .discount {
  display: bloc;
  color: #fff;
  padding: 10px 15px;
  border: #4f4f4f 1px solid;
  border-radius: 5px;
}
.banner .btn {
  background: #ff6d00;
  padding: 10px 20px;
  color: #fff;
  border: none;
  border-radius: 5px;
}
.product .tab-link {
  text-align: center;
}
.product .tab-link a {
  font-size: 24px;
  display: inline-block;
  margin: 10px;
  padding: 10px 15px;
  border: #333 1px solid;
  border-radius: 2em;
}
.product .tab-link a.active,
.product .tab-link a:hover {
  background: #ff6d00;
  border-color: #ff6d00;
  color: #fff;
}
.breadcrumb a,
.breadcrumb span {
  display: inline-block;
}
.breadcrumb a {
  font-weight: bold;
}
.breadcrumb span {
  margin: 0 10px;
}
.filter {
  border-top: #333 1px solid;
  margin-top: 20px;
  padding-top: 20px;
  align-items: flex-start;
}
.filter .bold {
  padding: 3px 0;
}
.filter .col {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
  margin-top: 20px;
}
.filter .col .item.active {
  color: #ff6d00;
}
.filter .col .item.more {
  display: none;
}
.filter .col .item.show {
  display: block;
}
.filter a#more-brand {
  padding: 3px 10px;
  color: #ff6d00;
}
@media (max-width: 640px) {
  .filter.row {
    flex-direction: column;
  }
}
.product-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 40px 0;
}
.product-list .item {
  background: #2a2a2a;
  border-radius: 5px;
  position: relative;
  overflow: hidden;
}
.product-list .item:hover {
  box-shadow: 0 0 10px 0 rgba(0,0,0,0.1);
}
.product-list .item .content {
  padding: 10px;
}
.product-list .item .tag {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #ff6d00;
  color: #fff;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 12px;
}
.product-list .item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.product-list .item h4 {
  font-weight: bold;
}
.product-list .item .price {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
}
.product-list .item .favorite-icon {
  width: 24px;
  height: 24px;
  background-image: url("../img/heart-empty.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  cursor: pointer;
}
.product-list .item .favorite-icon.favorite {
  background-image: url("../img/heart.svg");
}
.product-list .item a.entrance {
  background: #ff6d00;
  color: #fff;
  padding: 10px;
  text-align: center;
  font-size: 14px;
  border-radius: 5px;
}
.product-list .item a.discount {
  background: #232323;
  border: #353535 1px solid;
  color: #fff;
  padding: 10px;
  text-align: center;
  font-size: 14px;
  border-radius: 5px;
}
@media (max-width: 1080px) {
  .product-list {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 720px) {
  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .product-list {
    grid-template-columns: 1fr;
  }
}
.pagination {
  padding: 30px 0;
  text-align: center;
}
.pagination .pagination-info {
  color: #666;
  font-size: 14px;
  margin-bottom: 15px;
}
.pagination .pagination-controls {
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pagination .page-btn {
  min-width: 30px;
  height: 30px;
  line-height: 30px;
  padding: 0 5px;
  background: none;
  border: 1px solid #333;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}
.pagination .page-btn:hover {
  border-color: #ff6d00;
  color: #ff6d00;
  background: #4f4f4f;
}
.pagination .page-btn.active {
  background: none;
  color: #fff;
  border-color: #ff6d00;
  cursor: default;
}
.pagination .page-btn.disabled {
  color: #ccc;
  cursor: not-allowed;
  border-color: #333;
  background: none;
}
.pagination .page-btn.disabled:hover {
  color: #eee;
}
.pagination .page-btn.ellipsis {
  border: none;
  background: none;
  cursor: default;
  pointer-events: none;
}
.pagination .page-btn.ellipsis:hover {
  border: none;
  background: none;
  color: #333;
}
.faq {
  padding: 40px 0;
}
.faq h3,
.faq h2 {
  font-size: 24px;
}
.faq .question {
  font-weight: bold;
  font-size: 20px;
  padding: 20px;
  background: #1f1f1f;
  border: #313131 1px solid;
  border-radius: 5px;
  cursor: pointer;
}
.faq .question .icon {
  margin-right: 10px;
  color: #555;
  font-size: 24px;
}
.faq .answer {
  display: none;
  font-size: 16px;
  line-height: 1.5;
  color: #666;
  padding: 0 18px;
}
.faq .answer.show {
  display: block;
}
.help {
  padding: 100px 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.2), transparent);
  font-size: 18px;
}
.help h5 {
  font-size: 40px;
}
.help .text {
  margin-bottom: 40px;
}
.help .btn {
  background: #ff6d00;
  padding: 10px 30px;
  border-radius: 5px;
}
footer {
  margin-top: 40px;
  padding: 30px 0;
  border-top: #4f4f4f 1px solid;
  text-align: center;
}
.detail {
  padding: 50px 0;
}
.detail .header {
  align-items: flex-start;
  gap: 60px;
}
.detail .header img {
  width: 600px;
  height: 600px;
  object-fit: cover;
}
.detail .header .price {
  font-size: 32px;
  color: #ff6d00;
}
.detail .header .btn {
  background: #ff6d00;
  border: #ff6d00 1px solid;
  border-radius: 5px;
  padding: 10px;
  color: #fff;
  text-align: center;
  width: 240px;
  max-width: 100%;
  box-sizing: border-box;
}
.detail .header .btn.plain {
  background: none;
  color: #ff6d00;
}
.detail .header .btn.plain:hover {
  background: none;
}
.detail .title {
  font-size: 24px;
  font-weight: bold;
}
.detail .feedback .item {
  background: #2e2e2e;
  padding: 15px;
  border-radius: 5px;
}
.detail .grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.detail .grid-3 img {
  width: 100%;
  height: 320px;
}
@media (max-width: 1080px) {
  .detail .header img {
    width: 400px;
    height: 400px;
  }
}
@media (max-width: 720px) {
  .detail .header img {
    width: 50%;
    height: 50%;
  }
}
@media (max-width: 640px) {
  .detail .header.row {
    flex-direction: column;
  }
  .detail .header.row img {
    width: 100%;
    height: 100%;
  }
  .detail .grid-3 {
    grid-template-columns: 1fr;
  }
}
.how-to h2 {
  font-size: 32px;
}
.how-to h4 {
  font-size: 22px;
}
.error {
  white-space: pre-wrap;
}