/* =============== Reset & Base =============== */
:root {
  /* 深夜墨蓝 + 香槟金 + 米纸白 —— 明亮通透现代风 */
  --c-ink: #0f1b2d;
  --c-ink-soft: #32415a;
  --c-mute: #6b7789;
  --c-gold: #bf9b5c;
  --c-gold-deep: #a3813f;
  --c-gold-soft: #e6d4ad;
  --c-bg: #f6f3ec;
  --c-bg-2: #ece5d4;
  --c-cream: #fbf8f1;
  --c-dark: #0a1423;
  --c-line: rgba(15, 27, 45, 0.08);
  --c-line-strong: rgba(15, 27, 45, 0.14);

  /* 柔和光影，冷色调阴影更现代 */
  --shadow-sm: 0 2px 10px rgba(15, 27, 45, 0.05);
  --shadow-md: 0 10px 30px rgba(15, 27, 45, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 27, 45, 0.12);
  --shadow-gold: 0 10px 30px rgba(191, 155, 92, 0.22);

  --font-serif: "Noto Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
  --font-sans: Inter, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-serif);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* =============== Glassmorphism Navigation (centered) =============== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0 18px;
  transition: all .45s var(--ease);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
}
/* Subtle dark gradient overlay on transparent nav to keep text readable over any image */
.nav::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 160%;
  background: linear-gradient(180deg, rgba(10, 20, 35, 0.32) 0%, rgba(10, 20, 35, 0.08) 60%, transparent 100%);
  pointer-events: none;
  z-index: -1;
  transition: opacity .45s var(--ease);
}
.nav.scrolled::before { opacity: 0; }
.nav.scrolled {
  background: rgba(246, 243, 236, 0.78);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid rgba(15, 27, 45, 0.06);
  padding: 14px 0 12px;
  box-shadow: 0 6px 30px rgba(15, 27, 45, 0.05);
}

.nav-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.nav.scrolled .nav-inner { gap: 8px; }

.logo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  transition: all .4s var(--ease);
}
.logo-cn {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 10px;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45), 0 1px 2px rgba(0, 0, 0, 0.55);
  transition: all .3s var(--ease);
  padding-left: 10px;
}
.logo-en {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 7px;
  color: rgba(255, 255, 255, 0.88);
  margin-top: 4px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.5);
  padding-left: 7px;
  font-weight: 400;
}
.nav.scrolled .logo-cn {
  color: var(--c-ink);
  text-shadow: none;
}
.nav.scrolled .logo-en {
  color: var(--c-mute);
  text-shadow: none;
}
.nav.scrolled .logo-cn { font-size: 18px; letter-spacing: 6px; }
.nav.scrolled .logo-en { font-size: 10px; letter-spacing: 5px; }

.menu {
  display: flex;
  gap: 60px;
  justify-content: center;
}
.menu a {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.6);
  position: relative;
  padding: 4px 0;
  letter-spacing: 3px;
  transition: color .3s var(--ease);
}
.menu a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 50%;
  width: 0; height: 2px;
  background: var(--c-gold);
  transition: width .3s var(--ease), left .3s var(--ease);
}
.menu a:hover::after,
.menu a.active::after {
  width: 100%; left: 0;
}
.menu a:hover { color: #fff; }
.menu a.active { color: #fff; }

.nav.scrolled .menu a {
  color: var(--c-ink-soft);
  text-shadow: none;
}
.nav.scrolled .menu a:hover,
.nav.scrolled .menu a.active {
  color: var(--c-ink);
}

.nav-side {
  position: absolute;
  top: 50%; right: 32px;
  transform: translateY(-50%);
}
.lang {
  font-family: var(--font-sans);
  font-size: 12px;
  color: #fff;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  cursor: pointer;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transition: all .3s var(--ease);
  letter-spacing: 1px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.lang:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.6);
}
.nav.scrolled .lang {
  color: var(--c-ink-soft);
  border-color: rgba(15, 27, 45, 0.18);
  text-shadow: none;
}
.nav.scrolled .lang:hover {
  background: rgba(15, 27, 45, 0.06);
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.menu-toggle {
  display: none;
  position: absolute;
  top: 50%; left: 24px;
  transform: translateY(-50%);
}

/* =============== Hero (home) =============== */
.hero {
  position: relative;
  height: 100vh; min-height: 680px;
  overflow: hidden;
  display: flex; align-items: center;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  animation: heroZoom 20s ease-out forwards;
  will-change: transform;
}
@keyframes heroZoom {
  from { transform: scale(1.12); }
  to   { transform: scale(1); }
}
.hero-mask {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.15) 35%, rgba(0, 0, 0, 0.55) 100%),
    radial-gradient(ellipse at 50% 40%, transparent 0%, rgba(0, 0, 0, 0.25) 80%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
}
.hero-tag {
  font-family: var(--font-sans);
  font-size: 13px; letter-spacing: 10px;
  color: var(--c-gold-soft);
  margin-bottom: 28px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s .2s var(--ease) forwards;
}
.hero-tag::before {
  content: "";
  display: inline-block;
  width: 40px; height: 1px;
  background: var(--c-gold);
  margin-right: 16px;
  vertical-align: middle;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5.2vw, 68px);
  font-weight: 500; line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: 2px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s .4s var(--ease) forwards;
}
.hero-subtitle {
  font-size: clamp(15px, 1.4vw, 19px);
  color: rgba(255, 255, 255, .88);
  letter-spacing: 4px;
  font-weight: 400;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s .6s var(--ease) forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-hint {
  position: absolute; bottom: 48px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1.5px solid rgba(255, 255, 255, .55);
  border-radius: 13px;
  display: flex; justify-content: center;
  padding-top: 9px;
  opacity: 0;
  animation: fadeUp 1s 1s var(--ease) forwards;
}
.scroll-hint span {
  display: block; width: 3px; height: 8px;
  background: #fff; border-radius: 2px;
  animation: scrollDown 1.8s infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(18px); opacity: 0; }
}

/* =============== Page Banner (sub pages) =============== */
.page-banner {
  position: relative;
  height: 60vh;
  min-height: 460px;
  max-height: 600px;
  overflow: hidden;
  display: flex; align-items: center;
  padding-top: 110px;
  color: #fff;
}
.banner-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  animation: heroZoom 14s ease-out forwards;
}
.banner-mask {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.25) 40%, rgba(0, 0, 0, 0.55) 100%);
}
.banner-content {
  position: relative; z-index: 2;
  text-align: center;
  width: 100%;
}
.banner-sub {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 8px;
  color: var(--c-gold-soft);
  margin-bottom: 18px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  opacity: 0;
  animation: fadeUp .9s .2s var(--ease) forwards;
}
.banner-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 500;
  letter-spacing: 6px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  opacity: 0;
  animation: fadeUp .9s .4s var(--ease) forwards;
}
.banner-title::after {
  content: "";
  display: block;
  width: 56px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  margin: 24px auto 0;
}

/* =============== Sections =============== */
.section {
  padding: 120px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 72px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  color: var(--c-ink);
  letter-spacing: 6px;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 56px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  margin: 22px auto 0;
}
.section-head p {
  font-size: 15px;
  color: var(--c-mute);
  letter-spacing: 3px;
  font-weight: 400;
}

/* =============== Brands =============== */
.brands {
  background: linear-gradient(180deg, #ffffff 0%, var(--c-cream) 100%);
}
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.brand-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 4 / 5;
  cursor: pointer;
  background: #eee;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.brand-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(15, 27, 45, 0.18);
}
.brand-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.brand-card:hover img { transform: scale(1.08); }
.brand-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, 0.82) 100%);
  z-index: 1;
  transition: opacity .3s var(--ease);
}
.brand-info {
  position: absolute; inset: auto 0 0 0;
  padding: 34px 30px;
  color: #fff;
  z-index: 2;
}
.brand-en {
  font-family: var(--font-sans);
  font-size: 12px; letter-spacing: 5px;
  color: var(--c-gold-soft);
  margin-bottom: 8px;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 23px; margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: 2px;
}
.brand-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.7;
  max-height: 0; overflow: hidden;
  transition: max-height .5s var(--ease);
}
.brand-card:hover .brand-desc { max-height: 120px; }

/* =============== Features =============== */
.features {
  background: var(--c-bg);
  position: relative;
}
.features::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(191, 155, 92, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(15, 27, 45, 0.05) 0%, transparent 55%);
  pointer-events: none;
}
.features .container { position: relative; z-index: 1; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 48px 30px;
  text-align: center;
  border-radius: 10px;
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  transition: width .5s var(--ease), left .5s var(--ease);
}
.feature-card:hover {
  transform: translateY(-8px);
  background: #fff;
  box-shadow: var(--shadow-lg);
  border-color: var(--c-gold-soft);
}
.feature-card:hover::after {
  width: 60%; left: 20%;
}
.feature-icon {
  font-size: 44px;
  margin-bottom: 22px;
  display: inline-block;
  transition: transform .4s var(--ease);
}
.feature-card:hover .feature-icon { transform: scale(1.15) rotate(-4deg); }
.feature-title {
  font-family: var(--font-serif);
  font-size: 21px;
  margin-bottom: 14px;
  font-weight: 500; letter-spacing: 3px;
  color: var(--c-ink);
}
.feature-desc {
  font-size: 14px;
  color: var(--c-mute);
  line-height: 1.75;
}

/* =============== Retail =============== */
.retail {
  background: linear-gradient(180deg, var(--c-cream) 0%, #ffffff 100%);
}
.retail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.retail-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  background: #eee;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.retail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(15, 27, 45, 0.18);
}
.retail-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.retail-card:hover img { transform: scale(1.06); }
.retail-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.8));
  z-index: 1;
}
.retail-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 32px 30px;
  color: #fff; z-index: 2;
}
.retail-info h4 {
  font-family: var(--font-serif);
  font-size: 24px; margin-bottom: 10px;
  font-weight: 500;
  letter-spacing: 2px;
}
.retail-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
}

/* =============== News =============== */
.news { background: var(--c-bg); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  cursor: pointer;
}
.news-card {
  border: 1px solid var(--c-line);
}
.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.news-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eee;
}
.news-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.news-card:hover .news-img img { transform: scale(1.06); }
.news-body { padding: 28px 28px 32px; }
.news-meta {
  display: flex; gap: 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 1px;
  margin-bottom: 14px;
  align-items: center;
}
.news-category {
  padding: 4px 12px;
  background: rgba(191, 155, 92, 0.1);
  color: var(--c-gold-deep);
  border-radius: 999px;
  letter-spacing: 1px;
  font-weight: 500;
  font-size: 11px;
}
.news-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 12px;
  color: var(--c-ink);
  letter-spacing: 1px;
}
.news-desc {
  font-size: 13px;
  color: var(--c-mute);
  line-height: 1.7;
}

/* =============== About =============== */
.about {
  background: var(--c-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.about::before {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  right: -140px; top: -160px;
  background: radial-gradient(circle, rgba(191, 155, 92, 0.16) 0%, transparent 70%);
  pointer-events: none;
}
.about::after {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  left: -120px; bottom: -140px;
  background: radial-gradient(circle, rgba(73, 103, 142, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative;
}
.about-en {
  font-family: var(--font-sans);
  font-size: 13px; letter-spacing: 8px;
  color: var(--c-gold);
  margin-bottom: 16px;
}
.about-en::before {
  content: "";
  display: inline-block;
  width: 36px; height: 1px;
  background: var(--c-gold);
  margin-right: 14px;
  vertical-align: middle;
}
.about-text h2 {
  font-family: var(--font-serif);
  font-size: 42px;
  margin-bottom: 28px;
  font-weight: 500;
  letter-spacing: 6px;
}
.about-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 2;
  margin-bottom: 44px;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.stat-num {
  font-family: var(--font-sans);
  font-size: 34px;
  font-weight: 300;
  color: var(--c-gold);
  margin-bottom: 6px;
  letter-spacing: 1px;
}
.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 3px;
}
.about-image img {
  border-radius: 8px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* =============== Footer =============== */
.footer {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(191, 155, 92, 0.08) 0%, transparent 55%),
    var(--c-dark);
  color: #9aa4b5;
  padding: 60px 0 32px;
  font-size: 13px;
  position: relative;
}

.footer-qr {
  padding: 20px 0 54px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 44px;
}
.qr-list {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}
.qr-item {
  text-align: center;
  transition: transform .3s var(--ease);
}
.qr-item:hover { transform: translateY(-4px); }
.qr-img {
  width: 120px; height: 120px;
  background: #fff;
  padding: 8px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: box-shadow .3s var(--ease);
}
.qr-item:hover .qr-img {
  box-shadow: 0 12px 30px rgba(191, 155, 92, 0.28);
}
.qr-img img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.qr-placeholder {
  width: 100%; height: 100%;
  background:
    linear-gradient(45deg, #e4deca 25%, transparent 25%),
    linear-gradient(-45deg, #e4deca 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e4deca 75%),
    linear-gradient(-45deg, transparent 75%, #e4deca 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  border-radius: 3px;
}
.qr-item p {
  margin-top: 16px;
  color: #9aa4b5;
  font-size: 13px;
  letter-spacing: 3px;
  font-weight: 400;
}

.footer-top {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 64px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-col h4,
.footer-contact h4 {
  font-family: var(--font-serif);
  color: var(--c-cream);
  font-size: 15px;
  margin-bottom: 22px;
  font-weight: 500;
  letter-spacing: 3px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: #7a8599;
  transition: color .2s var(--ease);
  letter-spacing: 1px;
}
.footer-col a:hover { color: var(--c-gold); }
.footer-contact p {
  margin-bottom: 10px;
  color: #7a8599;
  line-height: 1.7;
}
.footer-bottom {
  padding-top: 26px;
  text-align: center;
  color: #515c70;
  font-size: 12px;
}
.footer-bottom .sub-copy {
  margin-top: 10px;
  letter-spacing: 3px;
  color: #7a8599;
}

/* =============== Responsive =============== */
@media (max-width: 960px) {
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .retail-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }

  .nav { padding: 14px 0; }
  .nav-inner { flex-direction: row; gap: 0; justify-content: center; }
  .logo-cn { font-size: 18px; letter-spacing: 6px; padding-left: 6px; }
  .logo-en { font-size: 10px; letter-spacing: 4px; padding-left: 4px; }

  .menu-toggle {
    display: flex; flex-direction: column; gap: 4px;
    padding: 8px;
    border-radius: 4px;
    transition: background .2s var(--ease);
  }
  .menu-toggle span {
    width: 22px; height: 2px; background: #fff;
    border-radius: 1px;
    transition: background .3s var(--ease);
  }
  .nav.scrolled .menu-toggle span { background: var(--c-ink); }

  .menu {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 14px 24px 22px;
    background: rgba(246, 243, 236, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 10px 30px rgba(15, 27, 45, 0.12);
    border-top: 1px solid rgba(15, 27, 45, 0.06);
  }
  .menu.open { display: flex; }
  .menu a {
    color: var(--c-ink) !important;
    text-shadow: none !important;
    padding: 14px 0;
    border-bottom: 1px solid rgba(15, 27, 45, 0.08);
    letter-spacing: 2px;
    text-align: center;
  }
  .menu a:last-child { border-bottom: none; }
  .menu a::after { display: none; }

  .nav-side { display: none; }

  .brand-grid, .retail-grid, .feature-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: 1fr; }
  .qr-list { gap: 32px; }
  .qr-img { width: 100px; height: 100px; }
  .section { padding: 80px 0; }

  .page-banner { height: 46vh; min-height: 320px; }
  .banner-content { padding-top: 40px; }
}