/* ============================================
   竹环巧匠 - Master Craftsman 官网样式
   品牌：竹环巧匠 | 主营：竹制品
   设计理念：新中式简约，匠心与现代结合
   ============================================ */

/* CSS变量定义 */
:root {
  --bamboo-green: #7CB342;
  --bamboo-dark: #558B2F;
  --bamboo-light: #AED581;
  --ink-black: #2D2D2D;
  --ink-gray: #4A4A4A;
  --paper-white: #F5F0E6;
  --paper-cream: #FAF8F3;
  --gold-accent: #C9A961;
  --shadow-light: rgba(0, 0, 0, 0.08);
  --shadow-medium: rgba(0, 0, 0, 0.12);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 基础重置 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  line-height: 1.8;
  color: var(--ink-black);
  background: var(--paper-white);
  overflow-x: hidden;
}

/* 字体加载 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* 通用链接 */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(245, 240, 230, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-light);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--bamboo-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  font-weight: bold;
  transition: var(--transition-smooth);
}

.logo:hover .logo-icon {
  transform: rotate(360deg);
  background: var(--bamboo-dark);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-black);
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--ink-gray);
  letter-spacing: 0.2em;
  display: block;
  margin-top: -0.2rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  color: var(--ink-black);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--bamboo-green);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--bamboo-green);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--ink-black);
  transition: var(--transition-smooth);
}

/* Hero 区域 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--paper-cream) 0%, var(--paper-white) 50%, #E8F5E9 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(124, 179, 66, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  z-index: 10;
  padding: 2rem;
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(124, 179, 66, 0.15);
  color: var(--bamboo-dark);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  border-radius: 30px;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards 0.3s;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--ink-black);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards 0.5s;
}

.hero-title .highlight {
  color: var(--bamboo-green);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  right: 0;
  height: 0.15em;
  background: var(--bamboo-light);
  opacity: 0.5;
  z-index: -1;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--ink-gray);
  margin-bottom: 3rem;
  font-weight: 400;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards 0.7s;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards 0.9s;
}

.btn {
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--bamboo-green);
  color: white;
  box-shadow: 0 4px 15px rgba(124, 179, 66, 0.3);
}

.btn-primary:hover {
  background: var(--bamboo-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(124, 179, 66, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--ink-black);
  border: 2px solid var(--ink-black);
}

.btn-secondary:hover {
  background: var(--ink-black);
  color: white;
  transform: translateY(-3px);
}

/* 竹叶装饰动画 */
.bamboo-leaves {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.leaf {
  position: absolute;
  width: 30px;
  height: 60px;
  background: var(--bamboo-light);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  opacity: 0.15;
  animation: floatLeaf 15s ease-in-out infinite;
}

.leaf:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 18s; }
.leaf:nth-child(2) { left: 25%; top: 60%; animation-delay: -3s; animation-duration: 20s; }
.leaf:nth-child(3) { left: 75%; top: 30%; animation-delay: -6s; animation-duration: 16s; }
.leaf:nth-child(4) { left: 85%; top: 70%; animation-delay: -9s; animation-duration: 22s; }
.leaf:nth-child(5) { left: 50%; top: 85%; animation-delay: -12s; animation-duration: 17s; }

@keyframes floatLeaf {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(10deg); }
  50% { transform: translateY(0) rotate(0deg); }
  75% { transform: translateY(20px) rotate(-10deg); }
}

/* 区块通用样式 */
.section {
  padding: 6rem 5%;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(124, 179, 66, 0.1);
  color: var(--bamboo-dark);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  border-radius: 20px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--ink-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* 品牌故事区 */
.brand-story {
  background: linear-gradient(180deg, var(--paper-white) 0%, var(--paper-cream) 100%);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.story-image {
  position: relative;
  height: 500px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-medium);
}

.story-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--bamboo-green) 0%, var(--bamboo-dark) 100%);
  opacity: 0.9;
}

.story-image-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 10;
}

.story-image-content .number {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.3;
}

.story-image-content .text {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
}

.story-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--ink-black);
}

.story-content p {
  font-size: 1.05rem;
  color: var(--ink-gray);
  margin-bottom: 1.5rem;
  text-align: justify;
}

.story-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0,0,0,0.1);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--bamboo-green);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--ink-gray);
  margin-top: 0.5rem;
}

/* 产品展示区 */
.products {
  background: var(--paper-cream);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.product-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px var(--shadow-light);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px var(--shadow-medium);
}

.product-image {
  height: 280px;
  background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-image::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: 0.5s;
}

.product-card:hover .product-image::before {
  left: 100%;
}

.product-icon {
  font-size: 4rem;
  opacity: 0.8;
}

.product-info {
  padding: 1.5rem;
}

.product-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.95rem;
  color: var(--ink-gray);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.product-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  padding: 0.3rem 0.8rem;
  background: rgba(124, 179, 66, 0.1);
  color: var(--bamboo-dark);
  font-size: 0.8rem;
  border-radius: 15px;
}

/* 工艺展示区 */
.craft-section {
  background: var(--ink-black);
  color: white;
  position: relative;
  overflow: hidden;
}

.craft-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 70%, rgba(124, 179, 66, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(201, 169, 97, 0.08) 0%, transparent 50%);
}

.craft-section .section-tag {
  background: rgba(124, 179, 66, 0.2);
  color: var(--bamboo-light);
}

.craft-section .section-title {
  color: white;
}

.craft-section .section-desc {
  color: rgba(255,255,255,0.7);
}

.craft-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.craft-step {
  text-align: center;
  padding: 2rem;
  background: rgba(255,255,255,0.05);
  border-radius: 20px;
  transition: var(--transition-smooth);
  border: 1px solid rgba(255,255,255,0.1);
}

.craft-step:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-5px);
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--bamboo-green), var(--bamboo-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.step-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* 关于我们 */
.about-section {
  background: var(--paper-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--ink-black);
}

.about-content p {
  font-size: 1.05rem;
  color: var(--ink-gray);
  margin-bottom: 1.5rem;
  text-align: justify;
}

.values-list {
  list-style: none;
  margin-top: 2rem;
}

.values-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.value-icon {
  width: 40px;
  height: 40px;
  background: var(--bamboo-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
  font-size: 1.2rem;
}

.value-text {
  font-size: 1rem;
  color: var(--ink-gray);
}

.value-text strong {
  color: var(--ink-black);
  display: block;
  margin-bottom: 0.3rem;
}

.about-image {
  height: 500px;
  background: linear-gradient(135deg, var(--paper-cream), #E8F5E9);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-image::before {
  content: '匠心';
  font-size: 8rem;
  font-weight: 700;
  color: var(--bamboo-green);
  opacity: 0.15;
}

/* 联系区域 */
.contact-section {
  background: linear-gradient(180deg, var(--paper-cream) 0%, var(--paper-white) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info {
  padding: 2rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--ink-black);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--bamboo-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
}

.contact-text h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 0.3rem;
}

.contact-text p {
  font-size: 0.95rem;
  color: var(--ink-gray);
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px var(--shadow-light);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-black);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #E0E0E0;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-smooth);
  background: var(--paper-cream);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--bamboo-green);
  background: white;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.1rem;
}

/* 页脚 */
.footer {
  background: var(--ink-black);
  color: white;
  padding: 4rem 5% 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--bamboo-light);
}

.footer-brand p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--bamboo-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bamboo-green), var(--gold-accent));
  z-index: 9999;
  transition: width 0.1s;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .story-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .story-image,
  .about-image {
    height: 350px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(245, 240, 230, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: 0 10px 30px var(--shadow-medium);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .section {
    padding: 4rem 5%;
  }
  
  .story-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* 加载动画 */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--paper-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.loader-bamboo {
  width: 60px;
  height: 60px;
  border: 3px solid var(--bamboo-light);
  border-top-color: var(--bamboo-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--bamboo-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(124, 179, 66, 0.3);
  z-index: 1000;
}

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

.back-to-top:hover {
  background: var(--bamboo-dark);
  transform: translateY(-5px);
}


/* 导航栏优化 - 质感升级 v2 */
.nav-links li a { display: inline-block; padding: 0.6rem 1.2rem; border-radius: 6px; font-size: 1rem; font-weight: 600; position: relative; color: var(--ink-black); background: transparent; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: 2px solid transparent; }
.nav-links li a:hover { background: linear-gradient(135deg, rgba(26, 74, 46, 0.1) 0%, rgba(45, 106, 79, 0.15) 100%); border-color: var(--bamboo-green); color: var(--bamboo-green); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(26, 74, 46, 0.15); }
.nav-links li a.active { background: linear-gradient(135deg, #1a4a2e 0%, #2d6a4f 100%); color: white !important; border-color: transparent; box-shadow: 0 4px 15px rgba(26, 74, 46, 0.35); transform: scale(1.05); }


}

@keyframes boxBreath {
  0%, 100% { box-shadow: 0 0 0 rgba(45, 106, 79, 0); }
  50% { box-shadow: 0 0 12px rgba(45, 106, 79, 0.08), inset 0 0 8px rgba(45, 106, 79, 0.03); }
}

.nav-links li a:not(.active):hover {
  animation: none;
  box-shadow: 0 0 20px rgba(45, 106, 79, 0.18);
}

/* Language Switch */

.navbar.scrolled 
.navbar.scrolled .lang-switch a, .navbar.scrolled .lang-switch span {
  color: #555;
}
.navbar.scrolled .lang-switch .lang-active {
  color: #2d6a4f;
  background: rgba(45,106,79,0.1);
}
.navbar.scrolled .lang-switch a:hover {
  color: #daa520;
}
@media (max-width: 768px) {
  
}

/* Footer Social Links */
.footer-social {
  text-align: center;
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin: 1.5rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-social .social-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-right: 1rem;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0 6px;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  transition: all 0.3s ease;
  text-decoration: none;
}
.footer-social a:hover {
  color: #daa520;
  background: rgba(218,165,32,0.15);
  transform: translateY(-2px);
}
.footer-social a svg {
  width: 20px;
  height: 20px;
}
@media (max-width: 768px) {
  .footer-social {
    padding: 1rem;
    gap: 0.3rem;
  }
  .footer-social .social-label {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0.5rem;
  }
  .footer-social a {
    width: 32px;
    height: 32px;
    margin: 4px;
  }
  .footer-social a svg {
    width: 18px;
    height: 18px;
  }
}
.footer-modern {
  background: #0a1a0a;
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

.footer-modern .footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
  box-sizing: border-box;
}

.footer-modern .footer-brand-block {
  flex: 0 1 320px;
  min-width: 0;
  max-width: 350px;
}

.footer-modern .footer-logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #81c784;
  margin-bottom: 0.8rem;
  word-wrap: break-word;
}

.footer-modern .footer-tagline,
.footer-modern .footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
}

.footer-modern .footer-nav-block {
  display: flex;
  gap: 3rem;
  flex: 1 1 auto;
}

.footer-modern .footer-col h4 {
  font-size: 0.85rem;
  color: #daa520;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-modern .footer-col a,
.footer-modern .footer-col p {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.footer-modern .footer-col a:hover {
  color: #daa520;
}

@media (max-width: 992px) {
  .footer-modern .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-modern .footer-brand-block {
    max-width: 100%;
  }
  .footer-modern .footer-nav-block {
    flex-wrap: wrap;
    gap: 2rem;
  }
  .footer-modern .footer-col {
    flex: 1 1 45%;
    min-width: 150px;
  }
}
/* 产品分类按钮箭头动画 - 竹叶飘落感 */
.filter-btn.active::after {
  content: '↓';
  margin-left: 8px;
  font-size: 1.1em;
  color: #daa520;
  animation: arrowFloat 1.2s ease-in-out infinite;
  display: inline-block;
  text-shadow: 0 2px 4px rgba(218,165,32,0.3);
}

@keyframes arrowFloat {
  0% {
    transform: translateY(-2px);
    opacity: 0.7;
  }
  50% {
    transform: translateY(4px);
    opacity: 1;
  }
  100% {
    transform: translateY(-2px);
    opacity: 0.7;
  }
}

/* 悬浮时的箭头效果 */
.filter-btn:hover::after {
  content: '↓';
  color: #81c784;
  animation: arrowPulse 0.8s ease infinite;
}

@keyframes arrowPulse {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(2px) scale(1.15);
  }
}


/* ===== 语言切换按钮 - 大气设计 ===== */
/* ===== 语言切换按钮 ===== */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.95);
  border-radius: 24px;
  padding: 4px 6px;
  border: 2px solid #2d6a4f;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.lang-switch a, .lang-switch span {
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

/* 其他语言 - 醒目的浅色背景 */
.lang-switch a {
  color: #2d6a4f;
  background: rgba(45,106,79,0.08);
  border: 1px solid rgba(45,106,79,0.3);
}

.lang-switch a:hover {
  background: rgba(45,106,79,0.15);
  border-color: #2d6a4f;
  transform: translateY(-1px);
}

/* 当前语言 - 深色填充+金色效果 */
.lang-switch .lang-active {
  color: #fff;
  background: linear-gradient(135deg, #2d6a4f, #1a4a2e);
  border: 1px solid #daa520;
  box-shadow: 0 2px 6px rgba(218,165,32,0.3);
}

/* 滚动后导航栏变白 */
.navbar.scrolled .lang-switch {
  background: rgba(255,255,255,0.98);
  border-color: #2d6a4f;
}

.navbar.scrolled .lang-switch a {
  color: #2d6a4f;
  background: rgba(45,106,79,0.05);
  border-color: rgba(45,106,79,0.2);
}

.navbar.scrolled .lang-switch a:hover {
  background: rgba(45,106,79,0.1);
}

.navbar.scrolled .lang-switch .lang-active {
  background: linear-gradient(135deg, #2d6a4f, #1a4a2e);
  border-color: #daa520;
}

/* 响应式 */
@media (max-width: 768px) {
  .lang-switch {
    padding: 3px 4px;
    gap: 2px;
  }
  .lang-switch a, .lang-switch span {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
}


/* ===== 合作意向区域 ===== */
.cooperation-section {
  padding: 4rem 0;
  margin-top: 2rem;
  background: linear-gradient(180deg, transparent, rgba(45,106,79,0.03));
  border-top: 1px solid rgba(45,106,79,0.1);
}

.cooperation-section .section-title {
  text-align: center;
  color: #2d6a4f;
  margin-bottom: 2.5rem;
  font-size: 1.8rem;
}

.coop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.coop-card {
  background: linear-gradient(145deg, #ffffff, #faf7f2);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 
    0 8px 30px rgba(45,106,79,0.08),
    0 0 0 1px rgba(45,106,79,0.05);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
}

.coop-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2d6a4f, #daa520, #2d6a4f);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.coop-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 15px 50px rgba(45,106,79,0.15),
    0 0 0 1px rgba(45,106,79,0.1);
}

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

.coop-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.coop-card h3 {
  font-size: 1.2rem;
  color: #2d6a4f;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.coop-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 992px) {
  .coop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .coop-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .cooperation-section {
    padding: 3rem 0;
  }
}

/* ===== 移动端增强适配 ===== */
@media (max-width: 768px) {
  /* 内容区域宽度适配 */
  .section {
    padding: 3rem 4%;
  }
  
  .section-header,
  .section-title,
  .section-desc {
    padding: 0 1rem;
  }
  
  /* 文字换行 */
  .section-desc,
  .page-hero-desc,
  p {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  
  /* 产品卡片 */
  .products-showcase {
    padding: 0 1rem;
  }
  
  .product-detail-info {
    padding: 1.5rem;
  }
  
  .product-detail-info h3 {
    font-size: 1.4rem;
  }
  
  /* 页面Hero区域 */
  .page-hero {
    min-height: 50vh;
    padding-top: 70px;
  }
  
  .page-hero-content {
    padding: 1.5rem;
  }
  
  .page-hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  
  .page-hero-desc {
    font-size: 1rem;
    padding: 0 0.5rem;
  }
  
  /* 导航栏 */
  .lang-switch {
    font-size: 0.7rem;
    padding: 4px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .lang-switch a,
  .lang-switch span {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  
  /* 产品筛选按钮 */
  .product-filter {
    padding: 0 1rem;
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }
  
  /* 时间线 */
  .story-timeline {
    padding: 0 1rem;
  }
  
  .story-event {
    padding: 1rem;
  }
  
  .story-year {
    font-size: 1.2rem;
    padding: 0.6rem 1rem;
  }
  
  .story-text h3 {
    font-size: 1.1rem;
  }
  
  .story-text p {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  /* 联系表单 */
  .contact-main {
    padding: 1rem;
  }
  
  .contact-grid {
    gap: 2rem;
  }
  
  .form-group input,
  .form-group textarea {
    font-size: 16px; /* 防止iOS缩放 */
  }
  
  /* 合作意向区域 */
  .cooperation-section {
    padding: 3rem 1rem;
  }
  
  .coop-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .coop-card {
    padding: 1.5rem;
  }
  
  /* Footer */
  .footer-modern {
    padding: 1.5rem;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .footer-links-block {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 2rem 3%;
  }
  
  .page-hero-title {
    font-size: 1.6rem;
  }
  
  .lang-switch {
    gap: 2px;
  }
  
  .lang-switch a,
  .lang-switch span {
    padding: 3px 6px;
    font-size: 0.65rem;
  }
  
  .product-detail-info {
    padding: 1rem;
  }
  
  .product-detail-info h3 {
    font-size: 1.2rem;
  }
}

/* ===== 品牌理念卡片 ===== */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-card {
  background: #fff;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.philosophy-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.philosophy-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.philosophy-title { text-align: center !important;
  font-size: 1.4rem;
  font-weight: 700;
  color: #2d6a4f;
  margin-bottom: 0.8rem;
  text-align: center;
}

.philosophy-desc { text-align: center !important;
  font-size: 0.95rem;
  color: #666;
  line-height: 1.8;
  text-align: center;
}

@media (max-width: 768px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
  }
  
  .philosophy-card {
    padding: 2rem 1.5rem;
  }
}

/* ===== 匠人团队 ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.team-member {
  background: #fff;
  border-radius: 20px;
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-5px);
}

.member-avatar {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.member-name { text-align: center !important;
  font-size: 1.2rem;
  font-weight: 700;
  color: #2d6a4f;
  margin-bottom: 0.3rem;
}

.member-role { text-align: center !important;
  font-size: 0.85rem;
  color: #daa520;
  margin-bottom: 0.8rem;
}

.member-desc { text-align: center !important;
  font-size: 0.9rem;
  color: #666;
  line-height: 1.7;
}

@media (max-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .team-grid {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  
  .team-member {
    padding: 1.5rem;
  }
}

/* ===== 荣誉资质 ===== */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.honor-item {
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
}

.honor-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.honor-title {
  font-size: 0.9rem;
  color: #fff;
}

@media (max-width: 768px) {
  .honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .honor-grid {
    grid-template-columns: 1fr;
  }
}

/* 产品实拍图样式 */
.product-img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}
.product-detail-card:hover .product-img {
    transform: scale(1.05);
}