:root {
  --color-bg: #0b0f19;
  --color-surface: #111827;
  --color-surface-2: #1f2937;
  --color-gold: #c5a065;
  --color-gold-light: #d9b97f;
  --color-gold-dark: #a4814d;
  --color-text: #f3f4f6;
  --color-text-muted: #9ca3af;
  --color-text-subtle: #6b7280;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 16px;
  --transition: 0.3s ease;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-bg);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  gap: 32px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.main-nav a {
  position: relative;
  transition: color var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-text);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 10px;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 120px 0 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(197, 160, 101, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(197, 160, 101, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
  z-index: -2;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 70%);
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeUp 1s ease both;
}

.hero-label {
  display: inline-block;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--color-gold);
  margin-bottom: 20px;
  border: 1px solid var(--color-gold-dark);
  padding: 6px 14px;
  border-radius: 999px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--color-text-muted);
  font-weight: 300;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.15em;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-bg);
  box-shadow: 0 8px 24px rgba(197, 160, 101, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 12px 32px rgba(197, 160, 101, 0.35);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-accent {
  background: var(--color-text);
  color: var(--color-bg);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

.mouse {
  width: 22px;
  height: 36px;
  border: 2px solid var(--color-text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.wheel {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold);
  animation: scrollWheel 1.5s infinite;
}

/* Sections */
section {
  padding: 110px 0;
}

.section-header {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-header.light .section-tag,
.section-header.light .section-title,
.section-header.light .section-desc {
  color: var(--color-bg);
}

.section-header.light .section-title::after {
  background: var(--color-bg);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 18px;
  line-height: 1.2;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: 18px auto 0;
  border-radius: 3px;
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  font-weight: 300;
}

/* About */
.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(197, 160, 101, 0.35);
  box-shadow: var(--shadow);
}

.about-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(197, 160, 101, 0.1);
  color: var(--color-gold);
}

.about-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.about-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Categories */
.categories {
  background: var(--color-gold);
  position: relative;
}

.categories::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.25) 0%, transparent 30%),
    radial-gradient(circle at 90% 80%, rgba(0, 0, 0, 0.08) 0%, transparent 30%);
  pointer-events: none;
}

.categories-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  color: var(--color-bg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.category-visual {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  background: var(--color-bg);
  color: var(--color-gold);
}

.category-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.category-card p {
  color: var(--color-text-subtle);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Store */
.store {
  background: var(--color-bg);
}

.store-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: stretch;
}

.store-info .section-title {
  text-align: left;
}

.store-info .section-title::after {
  margin: 18px 0 0;
}

.store-lead {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.info-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.info-label {
  min-width: 64px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  font-weight: 600;
}

.info-value {
  color: var(--color-text);
  line-height: 1.6;
}

.info-value a {
  color: var(--color-gold);
  transition: color var(--transition);
}

.info-value a:hover {
  color: var(--color-gold-light);
  text-decoration: underline;
}

.store-map {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface-2);
  min-height: 360px;
  border: 1px solid var(--color-border);
}

.store-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
  color: var(--color-text-muted);
  gap: 16px;
}

.map-placeholder p:first-child {
  font-size: 1.1rem;
  color: var(--color-text);
  font-family: var(--font-serif);
}

/* Contact */
.contact {
  background: var(--color-surface);
  padding: 90px 0;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: linear-gradient(135deg, rgba(197, 160, 101, 0.12), rgba(197, 160, 101, 0.04));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.contact-content {
  padding: 48px;
}

.contact-content .section-title {
  text-align: left;
}

.contact-content .section-title::after {
  margin: 18px 0 0;
}

.contact-content .section-desc {
  margin-bottom: 36px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-radius: 12px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), transform var(--transition);
}

.contact-method:hover {
  border-color: rgba(197, 160, 101, 0.35);
  transform: translateX(4px);
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(197, 160, 101, 0.1);
  color: var(--color-gold);
  flex-shrink: 0;
}

.method-body {
  display: flex;
  flex-direction: column;
}

.method-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.method-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background: var(--color-gold);
  color: var(--color-bg);
  text-align: center;
  gap: 24px;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-brand .logo-mark {
  width: 32px;
  height: 32px;
  font-size: 0.9rem;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-beian {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-beian a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-beian a:hover {
  color: var(--color-gold);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-8px);
  }
  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .about-grid,
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .store-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .store-map {
    min-height: 320px;
  }

  .contact-cta {
    padding: 36px;
  }
}

@media (max-width: 640px) {
  .main-nav {
    position: fixed;
    inset: 68px 16px auto 16px;
    flex-direction: column;
    gap: 0;
    background: rgba(17, 24, 39, 0.98);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 12px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .main-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav a {
    padding: 14px 18px;
    border-radius: 10px;
  }

  .main-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .main-nav a::after {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    padding: 140px 0 120px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .about-grid,
  .categories-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: 72px 0;
  }

  .contact-content {
    padding: 32px;
  }

  .store-info .section-title,
  .contact-content .section-title {
    text-align: center;
  }

  .store-info .section-title::after,
  .contact-content .section-title::after {
    margin: 18px auto 0;
  }

  .store-info {
    text-align: center;
  }

  .info-list li {
    flex-direction: column;
    gap: 6px;
    align-items: center;
  }
}