* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}
body {
  color: #222;
  background: #fff;
  line-height: 1.6;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Nav */
header {
  border-bottom: 1px solid #eee;
  padding: 16px 0;
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  gap: 40px;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.nav-links a:hover {
  color: #e08c8c;
}

/* Banner Slider */
.banner {
  width: 100%;
  height: 480px;
  background: linear-gradient(rgba(0,0,0,0.4),rgba(0,0,0,0.4)), url('../static/pictures/index_banner.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  color: white;
  text-align: center;
}
.banner-content h1 {
  font-size: 48px;
  margin-bottom: 16px;
}
.banner-content p {
  font-size: 18px;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.btn {
  padding: 14px 36px;
  background: #e08c8c;
  color: white;
  border: none;
  font-size: 15px;
  cursor: pointer;
  transition: 0.2s;
}
.btn:hover {
  background: #d17575;
}
.btn-outline {
  background: transparent;
  border: 1px solid #e08c8c;
  color: #e08c8c;
}
.btn-outline:hover {
  background: #e08c8c;
  color: white;
}

/* Section Title */
.section-title {
  text-align: center;
  font-size: 32px;
  margin: 60px 0 40px;
  position: relative;
}
.section-title::after {
  content: '';
  width: 60px;
  height: 2px;
  background: #e08c8c;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -10px;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}
.product-card {
  cursor: pointer;
  transition: 0.3s;
}
.product-card:hover {
  transform: translateY(-6px);
}
.product-img {
  height: 240px;
  background: #f7f7f7;
  margin-bottom: 14px;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-name {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
}
.product-price {
  color: #c04040;
  font-weight: 600;
}

/* Pagination */
.pagination {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 50px 0;
}
.page-btn {
  width: 40px;
  height: 40px;
  border: 1px solid #ddd;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.page-btn.active {
  background: #e08c8c;
  color: white;
  border-color: #e08c8c;
}

/* Testimonial Section */
.testimonial-wrap {
  background: #f9f4f4;
  padding: 70px 0;
  margin: 80px 0;
}
.testimonial-box {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-text {
  font-size: 17px;
  margin-bottom: 16px;
}
.testimonial-author {
  font-weight: 600;
  color: #555;
}

/* Newsletter */
.newsletter {
  text-align: center;
  padding: 60px 0;
}
.newsletter h3 {
  font-size: 24px;
  margin-bottom: 12px;
}
.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 24px auto 0;
}
.newsletter-form input {
  flex: 1;
  padding: 14px;
  border: 1px solid #ddd;
  outline: none;
}

/* Footer */
footer {
  background: #1a1a1a;
  color: #aaa;
  padding: 60px 0 30px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 16px;
}
.footer-col li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-col a:hover {
  color: #e08c8c;
}
.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: #333 solid 1px;
  font-size: 13px;
}

/* Detail Page */
.detail-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin: 60px 0;
}
.detail-img {
  height: 460px;
  background: #f7f7f7;
}
.detail-title {
  font-size: 30px;
  margin-bottom: 12px;
}
.detail-price {
  font-size: 24px;
  color: #c04040;
  margin-bottom: 24px;
}
.detail-desc {
  margin: 30px 0;
  line-height: 1.8;
}

/* About & Contact */
.page-content {
  max-width: 900px;
  margin: 70px auto;
}
.page-content h2 {
  font-size: 32px;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
}
.contact-info {
  margin-top: 40px;
  line-height: 2;
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: #e08c8c;
  color: white;
  display: grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
}