/* ==========================================================================
   SEVEN77 服装官网 - 前台样式
   配色：奶油白 + 深棕 + 古铜金
   ========================================================================== */

/* ===== Reset & Variables ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-primary: #FAF7F2;
  --bg-secondary: #F5F0E8;
  --bg-card: #FFFFFF;
  --bg-dark: #1A120B;
  --bg-dark-secondary: #2D1F14;
  --text-primary: #1A120B;
  --text-secondary: #5C4D3E;
  --text-muted: #8B7D6B;
  --text-light: #F5F0E8;
  --accent-gold: #C9A961;
  --accent-gold-light: #E5C98F;
  --accent-gold-dark: #A67C52;
  --accent-brown: #3D2F24;
  --border-subtle: rgba(26,18,11,0.08);
  --border-medium: rgba(26,18,11,0.14);
  --border-gold: rgba(201,169,97,0.3);
  --shadow-sm: 0 2px 8px rgba(26,18,11,0.06);
  --shadow-md: 0 8px 24px rgba(26,18,11,0.1);
  --shadow-lg: 0 16px 48px rgba(26,18,11,0.14);
  --shadow-gold: 0 8px 32px rgba(201,169,97,0.2);
  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1280px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; transition: var(--transition);
  background: transparent;
}
.nav.scrolled {
  background: rgba(250,247,242,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
  box-shadow: var(--shadow-sm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
  transition: var(--transition);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.nav.scrolled .nav-logo { color: var(--text-primary); text-shadow: none; }
.nav-logo span { color: var(--accent-gold); }
.nav-logo .logo-pipe { display: inline; color: #fff !important; }
.nav.scrolled .nav-logo .logo-pipe { color: var(--text-primary) !important; }
.logo-br { display: none; }
.nav-links { display: flex; align-items: center; gap: 40px; }
.nav-links a {
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: var(--transition);
  position: relative;
  letter-spacing: 1px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.nav.scrolled .nav-links a { color: var(--text-secondary); text-shadow: none; }
.nav-links a::after {
  content: ''; position: absolute; bottom: -6px; left: 50%;
  width: 0; height: 1px; background: var(--accent-gold);
  transition: var(--transition); transform: translateX(-50%);
}
.nav-links a:hover { color: var(--accent-gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--accent-gold); }
.nav-links a.active::after { width: 100%; }
.nav-cta {
  padding: 10px 28px;
  background: var(--accent-gold);
  color: var(--bg-dark);
  border-radius: 2px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
}
.nav.scrolled .nav-cta { color: var(--bg-dark); }
.nav-cta:hover {
  background: var(--accent-gold-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.nav-contact-link { display: none; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: var(--transition); box-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.nav.scrolled .nav-toggle span { background: var(--text-primary); box-shadow: none; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.15); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,18,11,0.7) 0%, rgba(26,18,11,0.4) 50%, rgba(26,18,11,0.6) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center; color: var(--text-light);
  max-width: 800px; margin: 0 auto;
  padding: 0 20px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px; letter-spacing: 4px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 8px 24px;
  border: 1px solid var(--border-gold);
  border-radius: 2px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 700; line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.hero-title span { color: var(--accent-gold); }
.hero-subtitle {
  font-size: 20px; color: var(--accent-gold);
  margin-bottom: 16px; line-height: 1.6;
  letter-spacing: 2px; font-weight: 500;
}
.hero-desc {
  font-size: 15px; color: rgba(245,240,232,0.75);
  margin-bottom: 40px; line-height: 1.9;
  max-width: 600px; margin-left: auto; margin-right: auto;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-gold {
  padding: 16px 40px;
  background: var(--accent-gold);
  color: var(--bg-dark);
  border-radius: 2px;
  font-size: 14px; font-weight: 600;
  letter-spacing: 2px;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-gold:hover {
  background: var(--accent-gold-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}
.btn-outline {
  padding: 16px 40px;
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(245,240,232,0.4);
  border-radius: 2px;
  font-size: 14px; font-weight: 500;
  letter-spacing: 2px;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  color: rgba(245,240,232,0.6);
  font-size: 12px; letter-spacing: 2px;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== Section Common ===== */
.section { padding: 100px 0; position: relative; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-eyebrow {
  display: inline-block;
  font-size: 12px; letter-spacing: 4px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-desc {
  font-size: 16px; color: var(--text-secondary);
  max-width: 600px; margin: 0 auto;
  line-height: 1.8;
}
.section-dark .section-desc { color: rgba(245,240,232,0.7); }
.section-divider {
  width: 60px; height: 2px;
  background: var(--accent-gold);
  margin: 20px auto 0;
}

/* ===== About Us ===== */
.about-section {
  background: var(--bg-primary);
}
.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.about-image-wrap:hover .about-image img {
  transform: scale(1.03);
}
.about-content {
  padding-left: 20px;
}
.about-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 500;
}
.about-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 2px;
  line-height: 1.2;
}
.about-divider {
  width: 50px;
  height: 3px;
  background: var(--accent-gold);
  margin-bottom: 24px;
}
.about-subtitle {
  font-size: 18px;
  color: var(--accent-gold-dark);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.about-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 36px;
}
.about-actions {
  display: flex;
  gap: 16px;
}

/* ===== Brand Story ===== */
.story-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.story-image {
  position: relative; border-radius: 4px;
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.story-image img { width: 100%; height: 500px; object-fit: cover; }
.story-image::after {
  content: ''; position: absolute; inset: 0;
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  transform: translate(16px, 16px);
  pointer-events: none;
}
.story-content h2 {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 700;
  margin-bottom: 16px; letter-spacing: 1px;
}
.story-content .story-tag {
  font-size: 12px; letter-spacing: 4px;
  color: var(--accent-gold); text-transform: uppercase;
  margin-bottom: 16px;
}
.story-content p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 2; margin-bottom: 20px;
}
.story-stats {
  display: flex; gap: 40px; margin-top: 32px;
  padding-top: 32px; border-top: 1px solid var(--border-subtle);
}
.story-stat-num {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 700;
  color: var(--accent-gold);
}
.story-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===== Story Hero (全屏背景图) ===== */
.story-hero {
  position: relative;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  padding: 120px 0;
}
.story-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,18,11,0.85) 0%, rgba(26,18,11,0.7) 50%, rgba(26,18,11,0.85) 100%);
}
.story-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto;
}
.story-hero-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.story-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 2px;
  color: #fff;
}
.story-hero-subtitle {
  font-size: 18px;
  color: rgba(245,240,232,0.85);
  margin-bottom: 32px;
  letter-spacing: 1px;
}
.story-hero-text {
  font-size: 16px;
  color: rgba(245,240,232,0.75);
  line-height: 2;
  margin-bottom: 40px;
}
.story-hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.story-hero-divider span {
  width: 60px;
  height: 1px;
  background: var(--accent-gold);
}
.story-hero-divider .diamond {
  width: auto;
  height: auto;
  background: none;
  color: var(--accent-gold);
  font-size: 12px;
}

/* ===== Products ===== */
.products-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.product-card {
  position: relative; border-radius: 4px;
  overflow: hidden; cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover img { transform: scale(1.08); }
.product-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,18,11,0.9) 0%, transparent 60%);
  display: flex; flex-direction: column;
  justify-content: flex-end; padding: 32px;
  opacity: 0; transition: var(--transition);
}
.product-card:hover .product-overlay { opacity: 1; }
.product-category {
  font-size: 12px; letter-spacing: 3px;
  color: var(--accent-gold); text-transform: uppercase;
  margin-bottom: 8px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 700;
  color: var(--text-light); margin-bottom: 8px;
}
.product-desc {
  font-size: 14px; color: rgba(245,240,232,0.8);
  line-height: 1.7;
}

/* ===== Craft ===== */
.craft-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.craft-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
}
.craft-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.craft-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.craft-row {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.craft-number-large {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  flex-shrink: 0;
  min-width: 70px;
}
.craft-row-content {
  flex: 1;
}
.craft-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.craft-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Video ===== */
.video-section { background: var(--bg-dark); }
.video-section .section-eyebrow { color: var(--accent-gold); }
.video-section .section-title { color: var(--text-light); }
.video-section .section-desc { color: rgba(255,255,255,0.7); }
.video-wrapper {
  position: relative; max-width: 900px; margin: 0 auto;
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  aspect-ratio: 16 / 9; background: #000;
}
.video-wrapper video { width: 100%; height: 100%; object-fit: cover; display: block; background: #000; }
.video-info { text-align: center; margin-top: 32px; }
.video-title {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 600;
  color: var(--text-light); margin-bottom: 8px;
}
.video-desc { font-size: 14px; color: rgba(245,240,232,0.6); }

/* ===== Stores ===== */
.stores-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.store-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
}
.store-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-gold);
}
.store-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.store-info { padding: 24px; }
.store-name {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 600;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.store-name::before {
  content: ''; width: 4px; height: 18px;
  background: var(--accent-gold); border-radius: 2px;
}
.store-city {
  display: inline-block;
  font-size: 11px; padding: 2px 10px;
  background: var(--bg-secondary);
  color: var(--accent-gold-dark);
  border-radius: 2px; margin-bottom: 12px;
}
.store-address {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 12px;
}
.store-meta {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; color: var(--text-muted);
  padding-top: 12px; border-top: 1px solid var(--border-subtle);
}
.store-meta span { display: flex; align-items: center; gap: 6px; }

/* ===== Subscribe ===== */
.subscribe-section {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
  text-align: center;
}
.subscribe-section .section-title { color: var(--text-light); }
.subscribe-section .section-eyebrow { color: var(--accent-gold); }
.subscribe-section .section-desc { color: rgba(255,255,255,0.7); }
.subscribe-form {
  max-width: 500px; margin: 0 auto;
  display: flex; gap: 0;
  margin-top: 32px;
}
.subscribe-form input {
  flex: 1; padding: 16px 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(201,169,97,0.3);
  border-right: none;
  border-radius: 2px 0 0 2px;
  color: var(--text-light);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.subscribe-form input::placeholder { color: rgba(245,240,232,0.4); }
.subscribe-form input:focus { border-color: var(--accent-gold); background: rgba(255,255,255,0.12); }
.subscribe-form button {
  padding: 16px 32px;
  background: var(--accent-gold);
  color: var(--bg-dark);
  border: 1px solid var(--accent-gold);
  border-radius: 0 2px 2px 0;
  font-size: 14px; font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
  cursor: pointer;
}
.subscribe-form button:hover { background: var(--accent-gold-light); }
.subscribe-note {
  margin-top: 16px; font-size: 12px;
  color: rgba(245,240,232,0.4);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(201,169,97,0.15);
  padding: 60px 0 30px;
  color: var(--text-light);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700;
  letter-spacing: 3px; margin-bottom: 16px;
}
.footer-brand h3 span { color: var(--accent-gold); }
.footer-brand p {
  font-size: 13px; color: rgba(245,240,232,0.6);
  line-height: 1.8; margin-bottom: 20px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(201,169,97,0.3);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-gold);
  font-size: 14px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent-gold);
  color: var(--bg-dark);
  border-color: var(--accent-gold);
}
.footer-col h4 {
  font-size: 14px; font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a {
  font-size: 13px; color: rgba(245,240,232,0.6);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--accent-gold); padding-left: 4px; }
.footer-contact li {
  display: flex; gap: 10px;
  font-size: 13px; color: rgba(245,240,232,0.6);
  margin-bottom: 14px; line-height: 1.7;
}
.footer-contact li svg { flex-shrink: 0; margin-top: 3px; color: var(--accent-gold); }
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(201,169,97,0.12);
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 16px;
}
.footer-copyright { font-size: 12px; color: rgba(245,240,232,0.4); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 12px; color: rgba(245,240,232,0.4); transition: var(--transition); }
.footer-legal a:hover { color: var(--accent-gold); }

/* ===== Flash Message ===== */
.flash-message {
  position: fixed; top: 100px; left: 50%;
  transform: translateX(-50%);
  padding: 16px 32px;
  border-radius: 4px;
  font-size: 14px; font-weight: 500;
  z-index: 9999;
  animation: slideDown 0.3s ease;
  box-shadow: var(--shadow-lg);
}
.flash-success { background: #10B981; color: #fff; }
.flash-error { background: #EF4444; color: #fff; }
@keyframes slideDown { from { opacity: 0; transform: translateX(-50%) translateY(-20px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ===== Mobile Overlay ===== */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 48px; height: 48px;
  background: var(--accent-gold);
  color: var(--bg-dark);
  border-radius: 50%;
  font-size: 20px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-gold);
  cursor: pointer;
}
.back-to-top:hover {
  background: var(--accent-gold-dark);
  color: #fff;
  transform: translateY(-3px);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-content { padding-left: 0; }
  .story-grid { grid-template-columns: 1fr; gap: 48px; }
  .story-image img { height: 400px; }
  .craft-layout { grid-template-columns: 1fr; gap: 40px; }
  .stores-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.mobile-open {
    display: flex; position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-primary);
    padding: 20px; gap: 16px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
  }
  .nav-links.mobile-open a {
    color: var(--text-secondary) !important;
    text-shadow: none !important;
    padding: 12px 0;
    font-size: 15px;
  }
  .nav-contact-link { display: block !important; color: var(--accent-gold) !important; font-weight: 600; border-top: 1px solid var(--border-subtle); padding-top: 16px !important; }
  .nav-inner { position: relative; }
  .nav-logo { position: absolute; left: 50%; transform: translateX(-50%); font-size: 20px; letter-spacing: 2px; line-height: 1.2; word-break: keep-all; white-space: normal; text-align: center; }
  .nav-toggle { position: relative; z-index: 2; margin-left: auto; }
  .logo-pipe { display: none !important; }
  .logo-br { display: block !important; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 40px; }
  .section-desc { font-size: 14px; line-height: 1.7; }
  .hero-eyebrow { font-size: 11px; letter-spacing: 2px; padding: 6px 16px; margin-bottom: 16px; }
  .product-overlay { opacity: 1; padding: 20px; }
  .product-name { font-size: 22px; }
  .product-desc { font-size: 13px; line-height: 1.6; }
  .video-title { font-size: 20px; }
  .video-info { margin-top: 20px; }
  .store-info { padding: 20px; }
  .store-name { font-size: 16px; }
  .store-address { font-size: 13px; line-height: 1.6; }
  .craft-title { font-size: 16px; }
  .craft-desc { font-size: 13px; line-height: 1.6; }
  .about-content { padding-left: 0; text-align: center; }
  .about-actions { justify-content: center; }
  .section-title { font-size: 28px; }
  .hero-title { font-size: clamp(28px, 8vw, 36px); margin-bottom: 16px; }
  .hero-subtitle { font-size: 16px; margin-bottom: 12px; }
  .hero-desc { font-size: 14px; line-height: 1.8; margin-bottom: 32px; }
  .hero-actions { flex-direction: column; align-items: center; gap: 12px; width: 100%; }
  .hero-actions .btn-gold, .hero-actions .btn-outline { width: 100%; max-width: 280px; justify-content: center; height: 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-title { font-size: 28px; }
  .about-subtitle { font-size: 16px; }
  .about-desc { font-size: 14px; line-height: 1.8; }
  .products-grid { grid-template-columns: 1fr; }
  .craft-layout { grid-template-columns: 1fr; gap: 32px; }
  .craft-number-large { font-size: 32px; min-width: 40px; }
  .craft-row { gap: 16px; }
  .craft-list { gap: 24px; }
  .story-hero { background-attachment: scroll; padding: 60px 0; min-height: auto; background-position: center top; }
  .story-hero-text { font-size: 13px; line-height: 1.9; }
  .story-hero-subtitle { font-size: 15px; }
  .story-hero-title { font-size: 32px; }
  .stores-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { font-size: 13px; line-height: 1.6; }
  .footer-col h4 { font-size: 14px; margin-bottom: 12px; }
  .footer-col ul { gap: 8px; }
  .footer-col ul li a { font-size: 13px; }
  .footer-contact li { font-size: 13px; line-height: 1.5; }
  .footer-social { gap: 12px; margin-top: 12px; }
  .footer-social a { width: 40px; height: 40px; font-size: 14px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; padding: 16px 0; }
  .subscribe-form { flex-direction: column; gap: 12px; }
  .subscribe-form input { border-right: 1px solid rgba(201,169,97,0.3); border-radius: 2px; height: 48px; font-size: 15px; }
  .subscribe-form button { border-radius: 2px; height: 48px; font-size: 15px; }
  .back-to-top { width: 44px; height: 44px; bottom: 20px; right: 20px; font-size: 18px; }
  .story-stats { gap: 24px; }
  .story-stat-num { font-size: 28px; }
}

/* 小屏幕手机（576px以下）页脚单列 */
@media (max-width: 576px) {
  .nav-logo { position: absolute; left: 50%; transform: translateX(-50%); font-size: 18px; letter-spacing: 1px; text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
  .footer-brand { grid-column: 1 / -1; text-align: center; margin-bottom: 4px; }
  .footer-col { text-align: center; }
  .footer-col h4 { font-size: 13px; margin-bottom: 8px; }
  .footer-col ul { display: grid; grid-template-columns: 1fr; gap: 4px 14px; justify-items: center; }
  .footer-col ul li a { font-size: 12px; }
  .footer-contact li { font-size: 12px; line-height: 1.5; }
  .footer-social { justify-content: center; margin-top: 8px; }
  .footer-social a { width: 36px; height: 36px; font-size: 13px; }
  .footer-bottom { padding: 12px 0; gap: 6px; }
  .footer-friend-links { font-size: 12px; padding-top: 10px; margin-top: 10px; }
  .container { padding: 0 16px; }
}