@charset "UTF-8";
/*!
* 指印咖啡定制样式
*/

:root {
  --primary: #2C2C2C;
  --secondary: #6F4E37;
  --accent: #C4A574;
  --light: #F9F5F0;
  --dark: #1A1A1A;
}

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--light);
  color: #333;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif SC', 'Microsoft YaHei', sans-serif;
  font-weight: 700;
}

/* 导航栏 */
.navbar {
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.navbar-brand img {
  height: 50px;
  margin-right: 10px;
}

/* 头部 Banner */
.site-heading {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 80px 20px;
  color: white;
  margin-top: 56px;
}

.site-heading img {
  max-width: 120px;
  margin-bottom: 20px;
  filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
}

.site-heading-upper {
  display: block;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 15px;
  font-weight: 500;
}

.site-heading-lower {
  font-size: 3rem;
  font-weight: 700;
  margin: 0;
}

/* 产品介绍 */
.intro-section {
  padding: 80px 0;
}

.intro-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 20px;
}

/* 产品卡片 */
.product-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s;
}

.product-card:hover img {
  transform: scale(1.05);
}

.product-card-body {
  padding: 25px;
}

.product-card-title {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 600;
}

.product-card-price {
  color: var(--secondary);
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 15px;
}

/* 品牌故事 */
.story-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  color: white;
  padding: 100px 0;
}

.story-section h2 {
  color: var(--accent);
  font-size: 2.5rem;
  margin-bottom: 40px;
}

.story-section p {
  font-size: 1.2rem;
  line-height: 2;
  opacity: 0.95;
}

/* 联系我们 */
.contact-section {
  padding: 80px 0;
  background: var(--light);
}

.contact-info {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.contact-info h3 {
  color: var(--primary);
  font-size: 1.8rem;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--accent);
}

.contact-item {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  font-size: 1.1rem;
}

.contact-item i {
  color: var(--accent);
  margin-right: 15px;
  font-size: 1.3rem;
  width: 30px;
  text-align: center;
}

/* 按钮 */
.btn-primary {
  background-color: var(--secondary);
  border-color: var(--secondary);
  font-weight: 600;
  padding: 12px 35px;
  border-radius: 30px;
  transition: all 0.3s;
}

.btn-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 评分 */
.rating {
  color: #FFD700;
  font-size: 1.3rem;
}

/* 页脚 */
.footer {
  background: var(--dark);
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer p {
  margin: 5px 0;
}

/* 响应式 */
@media (max-width: 768px) {
  .site-heading {
    padding: 50px 20px;
  }
  
  .site-heading-lower {
    font-size: 2rem;
  }
  
  .intro-section,
  .story-section,
  .contact-section {
    padding: 50px 0;
  }
  
  .story-section h2 {
    font-size: 1.8rem;
  }
  
  .contact-info {
    padding: 25px;
  }
  
  .navbar-brand {
    font-size: 1.3rem;
  }
  
  .navbar-brand img {
    height: 40px;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .btn-hero-primary,
  .btn-hero-outline {
    padding: 12px 30px;
    font-size: 1rem;
  }
}

/* 小屏幕手机优化 */
@media (max-width: 480px) {
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .navbar-brand img {
    height: 35px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-stats {
    gap: 15px;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.85rem;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .feature-icon {
    font-size: 2.5rem;
  }
  
  .product-card img {
    height: 200px;
  }
}

/* 动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-card {
  animation: fadeIn 0.6s ease-out;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ===== 第一轮优化：高级动画效果 ===== */

/* 平滑滚动优化 */
html {
  scroll-behavior: smooth;
}

/* 图片懒加载占位符 */
img[data-src] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 按钮悬停效果增强 */
.btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* 卡片悬停效果 */
.feature-card, .award-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover, .award-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 渐入动画 */
.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滚动视差效果 */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* 加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #F9F5F0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s;
}

.loader-content {
  text-align: center;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid #f0f0f0;
  border-top-color: #C4A574;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 优化移动端触摸反馈 */
@media (hover: none) {
  .btn:active {
    transform: scale(0.95);
  }
  
  .feature-card:active, .award-card:active {
    transform: scale(0.98);
  }
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #C4A574 0%, #6F4E37 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 1000;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.back-to-top i {
  font-size: 1.5rem;
}

/* ===== 第二轮优化：Apple 风格字体排印 ===== */

/* 大标题渐变效果 */
.hero-title {
  background: linear-gradient(135deg, #2C2C2C 0%, #6F4E37 50%, #C4A574 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* 副标题优化 */
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: #666;
  font-weight: 400;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* 段落间距优化 */
p {
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* 高级引用样式 */
blockquote {
  border-left: 4px solid #C4A574;
  padding-left: 20px;
  margin: 30px 0;
  font-style: italic;
  color: #6F4E37;
  background: linear-gradient(90deg, rgba(196,165,116,0.1) 0%, transparent 100%);
  padding: 20px 20px 20px 30px;
  border-radius: 0 8px 8px 0;
}

/* 数字显示优化 */
.stat-number {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #C4A574 0%, #6F4E37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* 文本选择高亮 */
::selection {
  background: #C4A574;
  color: white;
}

::-moz-selection {
  background: #C4A574;
  color: white;
}

/* ===== 第二轮优化：Muji 风格留白系统 ===== */

/* 增加区块间距 */
section {
  padding: clamp(60px, 10vw, 120px) 0;
}

/* 卡片内部留白优化 */
.feature-card, .award-card {
  padding: clamp(30px, 5vw, 50px);
}

/* 容器最大宽度优化 */
.container {
  max-width: 1200px;
  padding: 0 clamp(20px, 5vw, 40px);
}

/* 增加元素间距 */
.row > * {
  margin-bottom: 30px;
}

/* 高级分割线 */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, #C4A574 50%, transparent 100%);
  margin: 60px auto;
  max-width: 200px;
  border: none;
}

/* 毛玻璃效果 */
.glass-effect {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 阴影层次优化 */
.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.shadow-md {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.shadow-lg {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.16);
}

.shadow-xl {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

/* ===== 第二轮优化：Starbucks 风格品牌色彩 ===== */

/* 品牌渐变背景 */
.brand-gradient {
  background: linear-gradient(135deg, #2C2C2C 0%, #6F4E37 50%, #C4A574 100%);
}

/* 金色点缀效果 */
.gold-accent {
  color: #C4A574;
}

.gold-border {
  border: 2px solid #C4A574;
}

.gold-bg {
  background: linear-gradient(135deg, #C4A574 0%, #B8945F 100%);
}

/* 深色模式优化 */
@media (prefers-color-scheme: dark) {
  :root {
    --light: #1A1A1A;
    --dark: #F9F5F0;
  }
  
  body {
    background-color: #0d0d0d;
    color: #e0e0e0;
  }
  
  .feature-card, .award-card {
    background: rgba(255, 255, 255, 0.05);
  }
}

/* 焦点状态优化 */
a:focus, button:focus, input:focus {
  outline: 3px solid #C4A574;
  outline-offset: 2px;
}

/* 链接悬停效果 */
a {
  position: relative;
  text-decoration: none;
  transition: color 0.3s;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #C4A574;
  transition: width 0.3s;
}

a:hover::after {
  width: 100%;
}

/* ===== 第二轮优化：Airbnb 风格微交互 ===== */

/* 输入框优化 */
input, textarea, select {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 1rem;
}

input:focus, textarea:focus, select:focus {
  border-color: #C4A574;
  box-shadow: 0 0 0 3px rgba(196, 165, 116, 0.1);
  outline: none;
}

/* 复选框优化 */
input[type="checkbox"], input[type="radio"] {
  accent-color: #C4A574;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #C4A574 0%, #6F4E37 100%);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6F4E37;
}

/* 图片圆角优化 */
img {
  border-radius: 8px;
}

/* 图标悬停动画 */
i, .icon {
  transition: transform 0.3s;
}

.btn:hover i {
  transform: translateX(5px);
}

/* 加载状态骨架屏 */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 成功/错误状态 */
.success {
  color: #10b981;
}

.error {
  color: #ef4444;
}

.warning {
  color: #f59e0b;
}

/* ===== 2026-03-22 P1 升级：滚动视差与交互增强 ===== */

/* --- 视差滚动效果 --- */
.parallax-section {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.story-section {
  position: relative;
  overflow: hidden;
}

.story-section::before {
  background-attachment: fixed;
}

/* --- 评价卡片增强 --- */
.reviews-section {
  background: linear-gradient(180deg, #ffffff 0%, #f9f5f0 100%);
  position: relative;
}

.reviews-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(196,165,116,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(111,78,55,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.review-card {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid rgba(196,165,116,0.1);
}

.review-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(196,165,116,0.2);
  border-color: rgba(196,165,116,0.3);
}

.review-card img {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.review-card:hover img {
  transform: scale(1.03);
}

#reviewCarousel .carousel-control-prev,
#reviewCarousel .carousel-control-next {
  width: 55px;
  height: 55px;
  background: rgba(196,165,116,0.9);
  border-radius: 50%;
  transition: all 0.3s;
}

#reviewCarousel .carousel-control-prev:hover,
#reviewCarousel .carousel-control-next:hover {
  background: rgba(111,78,55,0.95);
  transform: translateY(-50%) scale(1.1);
}

#reviewCarousel .carousel-indicators button {
  background: rgba(196,165,116,0.5);
  transition: all 0.3s;
}

#reviewCarousel .carousel-indicators button.active {
  background: #C4A574;
  transform: scale(1.3);
}

/* --- 产品卡片动画曲线优化 --- */
.product-card {
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.15);
}

.product-card img {
  transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card:hover img {
  transform: scale(1.1) rotate(1deg);
}

/* --- 奖项卡片增强 --- */
.award-card {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.award-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(196,165,116,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s;
}

.award-card:hover::before {
  opacity: 1;
}

.award-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(196,165,116,0.2);
}

.award-icon img {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.award-card:hover .award-icon img {
  transform: scale(1.08) rotate(-2deg);
}

/* --- 特色卡片增强 --- */
.feature-card {
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

/* --- 按钮涟漪效果 --- */
.btn-hero-primary,
.btn-hero-outline,
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-hero-primary::after,
.btn-hero-outline::after,
.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-hero-primary:active::after,
.btn-hero-outline:active::after,
.btn-primary:active::after {
  width: 300px;
  height: 300px;
  transition: width 0s, height 0s;
}

/* --- 数字计数器动画 --- */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat-item {
  animation: countUp 0.8s ease-out both;
}

.stat-item:nth-child(1) { animation-delay: 0.1s; }
.stat-item:nth-child(2) { animation-delay: 0.2s; }
.stat-item:nth-child(3) { animation-delay: 0.3s; }
.stat-item:nth-child(4) { animation-delay: 0.4s; }

/* --- 渐进式加载动画 --- */
@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.feature-card:nth-child(odd) {
  animation: slideInFromLeft 0.8s ease-out both;
}

.feature-card:nth-child(even) {
  animation: slideInFromRight 0.8s ease-out both;
}

/* --- 移动端评价轮播优化 --- */
@media (max-width: 768px) {
  #reviewCarousel .carousel-control-prev {
    left: 10px;
  }
  
  #reviewCarousel .carousel-control-next {
    right: 10px;
  }
  
  .review-card {
    padding: 20px;
  }
  
  .review-card img {
    max-height: 350px;
  }
}

/* ===== 2026-03-22 设计升级：Hero 区域增强 ===== */

/* Hero 遮罩层增强 - 提升文字可读性 */
.hero-overlay {
  background: linear-gradient(135deg, 
    rgba(26,26,26,0.92) 0%, 
    rgba(44,44,44,0.88) 40%,
    rgba(111,78,55,0.85) 100%) !important;
}

/* Hero 标题文字增强 */
.hero-title {
  text-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4) !important;
  letter-spacing: 2px;
}

/* Hero 副标题优化 */
.hero-subtitle {
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  font-weight: 400;
  opacity: 0.98;
}

/* 统计数据卡片化 */
.stat-item {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  padding: 20px 30px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  transition: all 0.3s;
}

.stat-item:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-5px);
  border-color: rgba(196,165,116,0.5);
}

/* ===== CTA 按钮增强 ===== */

.btn-hero-primary {
  background: linear-gradient(135deg, #C4A574 0%, #D4B584 100%);
  box-shadow: 0 8px 25px rgba(196,165,116,0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.btn-hero-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.btn-hero-primary:hover::before {
  left: 100%;
}

.btn-hero-primary:hover {
  background: linear-gradient(135deg, #D4B584 0%, #E4C594 100%);
  box-shadow: 0 12px 35px rgba(196,165,116,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
  transform: translateY(-4px);
}

.btn-hero-outline {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.6) !important;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-hero-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff !important;
  box-shadow: 0 8px 25px rgba(255,255,255,0.2);
  transform: translateY(-4px);
}

/* 评分条增强 */
.rating-bar {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* ===== 产品卡片升级 ===== */

.product-card {
  border: 1px solid rgba(0,0,0,0.06);
}

.product-card:hover {
  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

/* ===== 导航栏优化 ===== */

.navbar {
  background: rgba(26,26,26,0.98) !important;
  backdrop-filter: blur(20px);
}

.nav-link {
  position: relative;
  padding: 8px 0;
  margin: 0 12px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #C4A574, transparent);
  transition: all 0.3s;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* ===== 高级滚动动画 ===== */

@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .product-card,
  .award-card {
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
}

/* ===== 移动端优化 ===== */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem !important;
    letter-spacing: 1px;
  }
  
  .hero-subtitle {
    font-size: 1.1rem !important;
  }
  
  .hero-stats {
    gap: 15px;
    flex-wrap: wrap;
  }
  
  .stat-item {
    padding: 12px 20px;
    min-width: 120px;
  }
  
  .stat-number {
    font-size: 2rem !important;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
    text-align: center;
  }
  
  .navbar-brand img {
    height: 42px;
  }
}