:root {
  --bg-main: #f8f9fa;
  --primary: #1d1d1f;
  --accent: #e63946;
  --text-sub: #86868b;
  --white: #ffffff;
  --border: #e2e2e7;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--primary);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header --- */
.header-container {
  background: var(--white);
  padding: 10px 0;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 60px;
}
.logo span {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}

.account-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.account-info img {
  width: 35px;
  border-radius: 50%;
}

.auth-links a {
  text-decoration: none;
  color: var(--primary);
  margin-left: 15px;
  font-weight: 600;
  transition: 0.3s;
}

.auth-links a:hover {
  color: var(--accent);
}

/* --- Navigation --- */
.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 10px;
  z-index: 100;
}

.menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.menu li a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  padding: 8px 0;
}

.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 160px;
  box-shadow: var(--shadow);
  border-radius: 8px;
  padding: 10px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: 0.3s;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li a {
  display: block;
  padding: 8px 20px;
}

.dropdown li:hover {
  background: #f5f5f7;
}

/* --- Search & Cart --- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-box {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: #f5f5f7;
}

.search-box input {
  padding: 8px 15px;
  border: none;
  background: transparent;
  outline: none;
}

.search-box button {
  padding: 8px 12px;
  border: none;
  cursor: pointer;
}

.cart-icon {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
}

/* --- Banner --- */
.banner {
  margin: 20px 0;
  border-radius: 20px;
  overflow: hidden;
}

.banner img {
  width: 100%;
  display: block;
}

/* --- Layout Content --- */
.main-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  padding-bottom: 50px;
}

/* Sidebar */
.sidebar {
  background: var(--white);
  padding: 25px;
  border-radius: 15px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.filter-group {
  margin-bottom: 25px;
}
.filter-group h4 {
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 5px;
}
.filter-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-sub);
  cursor: pointer;
}

/* Product Grid */
.product-sort {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 25px;
}

.product-card {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  transition: 0.3s;
  border: 1px solid transparent;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: var(--border);
}

.product-img {
  position: relative;
  background: #f0f0f2;
}

.product-img img {
  width: 100%;
  height: 240px;
  object-fit: contain;
}

.overlay {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 12px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  text-align: center;
  transform: translateY(100%);
  transition: 0.3s;
}

.product-card:hover .overlay {
  transform: translateY(0);
}

.product-info {
  padding: 15px;
}
.product-info .brand {
  font-size: 12px;
  color: var(--text-sub);
  text-transform: uppercase;
}
.product-info .name {
  font-size: 17px;
  margin: 5px 0;
}
.product-info .price {
  color: var(--accent);
  font-weight: 700;
  font-size: 19px;
}

/* Responsive */
@media (max-width: 992px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
}
/* --- TRANG LIÊN HỆ (CONTACT PAGE) --- */
.contact-wrapper {
  padding: 40px 0;
}

.contact-header {
  text-align: center;
  margin-bottom: 50px;
}

.contact-header h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 10px;
}

.contact-header p {
  color: var(--text-sub);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  background: var(--white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

/* Thông tin bên trái */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.info-item .icon {
  font-size: 24px;
  background: #f5f5f7;
  padding: 15px;
  border-radius: 12px;
}

.info-item h4 {
  margin-bottom: 5px;
  font-size: 18px;
}

.info-item p {
  color: var(--text-sub);
}

.social-links {
  margin-top: 20px;
}

.social-links .icons {
  margin-top: 10px;
  display: flex;
  gap: 15px;
}

.social-links span {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}

.social-links span:hover {
  background: var(--accent);
}

/* Form bên phải */
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  background: #f9f9fb;
  font-family: inherit;
  transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: white;
}

.btn-send {
  background: var(--primary);
  color: white;
  padding: 15px;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
  margin-top: 10px;
}

.btn-send:hover {
  background: #333;
  transform: translateY(-2px);
}

.contact-map {
  margin-top: 40px;
  box-shadow: var(--shadow);
  border-radius: 15px;
  overflow: hidden;
}

/* Responsive cho Mobile */
@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}
/* contact */
/* --- TRANG LIÊN HỆ (CONTACT PAGE) --- */
.contact-wrapper {
  padding: 40px 0;
}

.contact-header {
  text-align: center;
  margin-bottom: 50px;
}

.contact-header h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 10px;
}

.contact-header p {
  color: var(--text-sub);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  background: var(--white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
}

/* Thông tin bên trái */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.info-item .icon {
  font-size: 24px;
  background: #f5f5f7;
  padding: 15px;
  border-radius: 12px;
}

.info-item h4 {
  margin-bottom: 5px;
  font-size: 18px;
}

.info-item p {
  color: var(--text-sub);
}

.social-links {
  margin-top: 20px;
}

.social-links .icons {
  margin-top: 10px;
  display: flex;
  gap: 15px;
}

.social-links span {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}

.social-links span:hover {
  background: var(--accent);
}

/* Form bên phải */
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  background: #f9f9fb;
  font-family: inherit;
  transition: 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: white;
}

.btn-send {
  background: var(--primary);
  color: white;
  padding: 15px;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
  margin-top: 10px;
}

.btn-send:hover {
  background: #333;
  transform: translateY(-2px);
}

.contact-map {
  margin-top: 40px;
  box-shadow: var(--shadow);
  border-radius: 15px;
  overflow: hidden;
}

/* Responsive cho Mobile */
@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}
/* ============================================================
   5. TRANG BÁN CHẠY (BEST SELLER STYLES)
   ============================================================ */
.best-seller-wrapper {
  padding: 40px 0;
}

.page-title {
  text-align: center;
  margin-bottom: 40px;
}

.page-title h1 {
  font-size: 42px;
  color: var(--primary);
  margin-bottom: 10px;
}

/* Nhãn (Badges) */
.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  z-index: 2;
  color: white;
}

.badge.trend {
  background: #ff9f43;
} /* Màu cam cho Bestseller */
.badge.discount {
  background: var(--accent);
} /* Màu đỏ cho giảm giá */

/* Hiển thị giá cũ (Gạch ngang) */
.old-price {
  font-size: 14px;
  color: var(--text-sub);
  text-decoration: line-through;
  margin-left: 10px;
  font-weight: 400;
}

/* Thanh tiến trình bán hàng (Sales Progress) */
.sales-info {
  margin-top: 10px;
}

.sales-info span {
  font-size: 13px;
  color: var(--text-sub);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: #e9ecef;
  border-radius: 10px;
  margin-bottom: 5px;
  overflow: hidden;
}

.progress {
  height: 100%;
  background: linear-gradient(to right, #ff9f43, #ff4d4d);
  border-radius: 10px;
}

/* Hiệu ứng riêng cho sản phẩm "Hot" */
.product-card.hot:hover {
  border-color: #ff9f43;
  box-shadow: 0 10px 25px rgba(255, 159, 67, 0.2);
}
/* ============================================================
   6. TRANG PHÂN KHÚC (CLASS PAGE STYLES)
   ============================================================ */
.class-page-wrapper {
  padding: 40px 0;
}

.class-header {
  text-align: center;
  margin-bottom: 40px;
}

/* Grid Phân Khúc */
.class-selection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.class-card {
  height: 350px;
  border-radius: 20px;
  display: flex;
  align-items: flex-end;
  padding: 30px;
  color: white;
  position: relative;
  overflow: hidden;
  transition: 0.4s;
  cursor: pointer;
}

/* Tạo lớp phủ màu để chữ nổi bật trên hình nền */
.class-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 40%, rgba(0, 0, 0, 0.8));
  z-index: 1;
}

.class-content {
  position: relative;
  z-index: 2;
}

.class-card h2 {
  font-size: 32px;
  margin-bottom: 5px;
}
.class-card p {
  opacity: 0.9;
  margin-bottom: 10px;
}
.price-range {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 14px;
  margin-bottom: 15px;
}

.btn-explore {
  display: block;
  color: white;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid white;
  padding: 8px 20px;
  border-radius: 20px;
  width: fit-content;
  transition: 0.3s;
}

.btn-explore:hover {
  background: white;
  color: black;
}

/* Màu sắc riêng cho từng card (Bạn có thể thay bằng ảnh nền background-image) */
.class-card.budget {
  background-color: #2bcbba;
}
.class-card.mid-range {
  background-color: #4b7bec;
}
.class-card.premium {
  background-color: #a55eea;
}

.class-card:hover {
  transform: scale(1.02);
}

/* Section sản phẩm phía dưới */
.class-section {
  margin-top: 50px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  border-left: 5px solid var(--primary);
  padding-left: 15px;
}

.section-title h3 {
  font-size: 24px;
}
.section-title a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .class-selection-grid {
    grid-template-columns: 1fr;
  }
  .class-card {
    height: 250px;
  }
}
/* ============================================================
   7. TRANG THƯƠNG HIỆU (BRANDS PAGE STYLES)
   ============================================================ */
.brands-page-wrapper {
  padding: 40px 0;
}

.brands-header {
  text-align: center;
  margin-bottom: 50px;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* Chia 2 cột lớn */
  gap: 30px;
}

.brand-item {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: 0.3s;
  position: relative;
  border: 1px solid transparent;
}

.brand-item:hover {
  transform: translateY(-5px);
  border-color: var(--border);
}

/* Phần logo nổi trên ảnh */
.brand-logo {
  position: absolute;
  top: 20px;
  left: 20px;
  background: white;
  width: 80px;
  height: 80px;
  padding: 10px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.brand-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Ảnh đại diện cho hãng */
.brand-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: #f0f0f2;
}

.brand-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s;
}

.brand-item:hover .brand-image img {
  transform: scale(1.1);
}

/* Thông tin chữ */
.brand-info {
  padding: 25px;
}

.brand-info h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

.brand-info p {
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 20px;
  height: 45px; /* Giữ các dòng đều nhau */
}

.btn-brand {
  display: inline-block;
  padding: 10px 25px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  transition: 0.3s;
}

.btn-brand:hover {
  background: var(--accent);
  box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

/* Responsive cho Mobile */
@media (max-width: 768px) {
  .brand-grid {
    grid-template-columns: 1fr; /* 1 cột trên mobile */
  }

  .brand-image {
    height: 200px;
  }
}
/* ============================================================
   8. TRANG DANH MỤC (CATEGORY PAGE STYLES)
   ============================================================ */
.category-page {
  padding: 40px 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 cột mỗi dòng */
  gap: 30px;
}

.category-box {
  position: relative;
  height: 400px;
  border-radius: 25px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.category-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4); /* Lớp phủ đen mờ */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
  padding: 20px;
  transition: 0.3s;
}

.category-box:hover img {
  transform: scale(1.1); /* Phóng to ảnh khi di chuột */
}

.category-box:hover .category-overlay {
  background: rgba(0, 0, 0, 0.6); /* Đậm hơn khi hover */
}

.category-overlay h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.category-overlay p {
  font-size: 18px;
  margin-bottom: 25px;
  opacity: 0.9;
}

.btn-view {
  padding: 12px 30px;
  background: white;
  color: black;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 700;
  transition: 0.3s;
}

.btn-view:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
  .category-grid {
    grid-template-columns: 1fr; /* 1 cột trên mobile */
  }
  .category-box {
    height: 300px;
  }
}
/* ============================================================
   9. TRANG GIỎ HÀNG (CART PAGE STYLES)
   ============================================================ */
.cart-page {
  padding: 40px 0;
}

.cart-container {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 30px;
  align-items: start;
}

.cart-items {
  background: var(--white);
  border-radius: 15px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr 120px 50px;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.cart-item:last-child {
  border-bottom: none;
}

.item-img img {
  width: 100%;
  border-radius: 10px;
  background: #f5f5f7;
}

.item-details h3 {
  font-size: 18px;
  margin-bottom: 5px;
}

.item-details p {
  font-size: 14px;
  color: var(--text-sub);
}

.item-price {
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-top: 5px;
}

/* Bộ tăng giảm số lượng */
.item-qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.item-qty button {
  background: #f5f5f7;
  border: none;
  width: 30px;
  height: 35px;
  cursor: pointer;
  font-weight: bold;
}

.item-qty input {
  width: 40px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  outline: none;
}

.item-remove button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  transition: 0.3s;
}

.item-remove button:hover {
  transform: scale(1.2);
}

/* Cột tổng kết đơn hàng */
.cart-summary {
  background: var(--white);
  padding: 25px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 100px;
}

.cart-summary h2 {
  margin-bottom: 20px;
  font-size: 20px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
}

.summary-line.total {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-top: 15px;
}

.btn-checkout {
  width: 100%;
  padding: 15px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 20px;
  transition: 0.3s;
}

.btn-checkout:hover {
  background: #333;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.payment-methods {
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-sub);
  text-align: center;
}

/* Responsive */
@media (max-width: 992px) {
  .cart-container {
    grid-template-columns: 1fr;
  }
}
/* ============================================================
   10. TRANG LAB THỰC HÀNH (BẢN CẬP NHẬT FULL WIDTH)
   ============================================================ */
.lab-full-layout {
  padding: 40px 0;
  width: 100%;
}

.lab-grid {
  display: grid;
  /* Tự động co giãn số lượng cột tùy kích thước màn hình */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.lab-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: 0.3s ease;
}

.lab-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: #27ae60; /* Đổi viền sang xanh khi hover cho thân thiện */
}

.lab-card-header {
  background: #f8f9fa;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.lab-card-header h3 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
}

.lab-card-body {
  padding: 20px;
}

.lab-card-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px; /* Khoảng cách giữa các bài lab con */
}

.lab-card-body ul li {
  position: relative;
}

/* Thẻ a bọc toàn bộ dòng chữ Lab */
.lab-link-item {
  display: block;
  text-decoration: none;
  color: var(--primary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 12px 8px 25px;
  background: #f9f9fb;
  border-radius: 8px;
  transition: 0.2s ease;
  border: 1px solid transparent;
}

/* Dấu chấm tròn trước chữ nằm trong thẻ a */
.lab-link-item::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--text-sub);
  border-radius: 50%;
  transition: 0.2s;
}

/* Hiệu ứng rê chuột vào từng dòng Lab con */
.lab-link-item:hover {
  color: #27ae60;
  background: rgba(39, 174, 96, 0.05);
  border-color: rgba(39, 174, 96, 0.2);
  padding-left: 30px; /* Chữ dịch sang phải nhẹ khi hover */
}

.lab-link-item:hover::before {
  background: #27ae60; /* Dấu chấm đổi sang màu xanh */
}