:root {
  --bg: #f8f7f4;
  --text: #202020;
  --muted: #6d6d6d;
  --gold: #d9b46f;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.top-nav {
  background: #fff;
  border-bottom: 1px solid #ececec;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links,
.nav-actions {
  display: flex;
  gap: 18px;
}

.nav-links a,
.footer a {
  color: inherit;
  text-decoration: none;
}

.nav-links a {
  font-size: 13px;
}

.logo {
  font-family: "Playfair Display", serif;
  font-size: 24px;
  letter-spacing: 2px;
  text-transform: lowercase;
}

.icon-btn {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: #fff;
  background-image:
    linear-gradient(to right, rgba(7, 20, 40, 0.7), rgba(7, 20, 40, 0.2)),
    url("https://img1.cfw.cn/editors/attached/image/20230109/20231910645360.jpg");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: none;
  mix-blend-mode: screen;
  opacity: 0;
}

.hero-content {
  position: relative;
}

.hero-subtitle {
  margin: 0;
  font-size: 12px;
  letter-spacing: 2px;
}

.hero h1 {
  margin: 14px 0 10px;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.15;
}

.hero-desc {
  width: min(500px, 90%);
  color: #e7ecf6;
  margin-bottom: 24px;
}

.btn-primary {
  display: inline-block;
  padding: 11px 22px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

.section {
  padding: 68px 0;
}

.section-title {
  text-align: center;
  margin: 0 0 26px;
  font-family: "Playfair Display", serif;
  letter-spacing: 1px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card,
.product-card {
  background: var(--card);
}

.feature-image,
.product-image {
  width: 100%;
  background-size: cover;
  background-position: center;
}

.feature-image {
  aspect-ratio: 4 / 3;
}

.image-gold {
  background-image: url("https://pic.rmb.bdstatic.com/bjh/news/fac6a55d4f6ea2d2269c32d8a1f3cb2a.png");
}

.image-vintage {
  background-image: url("https://img0.baidu.com/it/u=2501164572,3087142223&fm=253&app=138&f=JPEG?w=800&h=1320");
}

.image-silver {
  background-image: url("https://img30.360buyimg.com/popWareDetail/jfs/t1/346412/19/25552/208035/690f30ccFdf426c88/1aa46850cada6d45.jpg");
}

.feature-card h3,
.feature-card p,
.product-card h3,
.product-card p {
  margin: 10px 10px 8px;
}

.feature-card p,
.product-card p {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-image {
  aspect-ratio: 1 / 1;
}

.p1 {
  background-image: url("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fcbu01.alicdn.com%2Fimg%2Fibank%2FO1CN01EsZpmh26AvltzSY1K_%21%212209398397622-0-cib.jpg&refer=http%3A%2F%2Fcbu01.alicdn.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1779769735&t=504fe6e2e3352da53d79b28f1439b9b0");
}
.p2 {
  background-image: url("https://qcloud.dpfile.com/pc/XSzTbVWAJREiPxpDrmbAhYN4keSLm-hwppPeW5TZy1s-NWtxfLXfDYCIVlAx2HgM.jpg");
}
.p3 {
  background-image: url("https://img.crd.cn/upload/article/2025042309452213229a67.jpg");
}
.p4 {
  background-image: url("https://t15.baidu.com/it/u=2801217981,935439272&fm=224&app=112&f=JPEG?w=500&h=500");
}
.p5 {
  background-image: url("https://img1.baidu.com/it/u=987601644,1410390880&fm=253&app=138&f=JPEG?w=500&h=666");
}
.p6 {
  background-image: url("https://img2.baidu.com/it/u=1617598084,171407641&fm=253&app=138&f=JPEG?w=800&h=800");
}
.p7 {
  background-image: url("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fcbu01.alicdn.com%2Fimg%2Fibank%2F2019%2F253%2F785%2F12677587352_486874368.jpg&refer=http%3A%2F%2Fcbu01.alicdn.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1779770039&t=b52a9c227be32660cecb9ea6a2cddb5d");
}
.p8 {
  background-image: url("https://a.vpimg4.com/upload/merchandise/pdcvis/2018/06/02/135/c604532b-57f0-4d1c-981c-eff568914880.jpg");
}

.brand-strip {
  background: #1f2125;
  color: #ececec;
  padding: 28px 0;
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.strip-grid h3 {
  color: var(--gold);
  font-size: 15px;
  margin-bottom: 4px;
}

.strip-grid p {
  margin: 0;
  font-size: 13px;
  color: #b8bdc8;
}

.stats {
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.stats-grid strong {
  display: block;
  font-size: 40px;
  font-family: "Playfair Display", serif;
}

.stats-grid span {
  color: var(--muted);
  font-size: 14px;
}

.footer {
  background: #fff;
  border-top: 1px solid #ececec;
  padding: 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 20px;
}

.footer h4,
.footer h5 {
  margin-top: 0;
}

.footer p,
.footer a {
  color: #6a6a6a;
  font-size: 14px;
  display: block;
  margin-bottom: 8px;
}

@media (max-width: 980px) {
  .feature-grid,
  .product-grid,
  .strip-grid,
  .stats-grid,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: 460px;
  }

  .feature-grid,
  .product-grid,
  .strip-grid,
  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}