/* ===== 高级加载动画系统 ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    #1B365D 0%, 
    #2E5C8A 25%, 
    #4A7FB8 50%, 
    #2E5C8A 75%, 
    #1B365D 100%);
  background-size: 400% 400%;
  animation: gradientShift 2s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  overflow: hidden;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.loading-container {
  text-align: center;
  position: relative;
  animation: containerFadeIn 0.8s ease-out;
}

@keyframes containerFadeIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

/* Logo动画系统 */
.loading-logo {
  margin-bottom: 2rem;
  position: relative;
}

.logo-ring {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.logo-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.company-icon {
  width: 60px;
  height: 60px;
  position: relative;
}

.can-shape {
  width: 100%;
  height: 100%;
  position: relative;
  animation: logoRotate 2s ease-in-out infinite;
}

@keyframes logoRotate {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.1); }
}

.can-body-loading {
  width: 40px;
  height: 50px;
  background: linear-gradient(135deg, #D4A574, #F6B13D);
  border-radius: 0 0 20px 20px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(212, 165, 116, 0.6);
}

.can-top-loading {
  width: 44px;
  height: 12px;
  background: linear-gradient(135deg, #F6B13D, #D4A574);
  border-radius: 22px 22px 0 0;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 15px rgba(246, 177, 61, 0.8);
}

.can-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: 800;
  font-size: 12px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 环形动画 */
.ring-outer, .ring-middle, .ring-inner {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
  animation: ringRotate 1.5s linear infinite;
}

.ring-outer {
  width: 120px;
  height: 120px;
  top: 0;
  left: 0;
  border-top-color: rgba(212, 165, 116, 0.8);
  border-right-color: rgba(212, 165, 116, 0.6);
  animation-duration: 1.5s;
}

.ring-middle {
  width: 90px;
  height: 90px;
  top: 15px;
  left: 15px;
  border-top-color: rgba(246, 177, 61, 0.8);
  border-left-color: rgba(246, 177, 61, 0.6);
  animation-duration: 2s;
  animation-direction: reverse;
}

.ring-inner {
  width: 70px;
  height: 70px;
  top: 25px;
  left: 25px;
  border-top-color: rgba(255, 255, 255, 0.8);
  border-bottom-color: rgba(255, 255, 255, 0.4);
  animation-duration: 1s;
}

@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 文字动画 */
.loading-text {
  margin-bottom: 2rem;
}

.loading-title {
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  animation: textSlideUp 0.8s ease-out 0.3s both;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.loading-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  animation: textSlideUp 0.8s ease-out 0.5s both;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

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

/* 进度条动画 */
.loading-progress {
  animation: progressFadeIn 0.8s ease-out 0.7s both;
}

.progress-bar {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin: 0 auto 1rem;
  position: relative;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #D4A574, #F6B13D, #D4A574);
  background-size: 200% 100%;
  border-radius: 2px;
  animation: progressFill 1s ease-out, progressGradient 1.5s ease-in-out infinite;
  width: 0;
}

.progress-glow {
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  bottom: -2px;
  background: linear-gradient(90deg, transparent, rgba(212, 165, 116, 0.6), transparent);
  border-radius: 4px;
  animation: progressGlow 1.2s ease-in-out infinite;
  opacity: 0;
}

@keyframes progressFill {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes progressGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes progressGlow {
  0%, 100% { opacity: 0; transform: translateX(-100%); }
  50% { opacity: 1; transform: translateX(300%); }
}

@keyframes progressFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.progress-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  font-weight: 500;
  animation: textPulse 1.5s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* 背景粒子效果 */
.loading-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: particleFloat 3s ease-in-out infinite;
}

.particle.p1 { top: 20%; left: 10%; animation-delay: 0s; }
.particle.p2 { top: 30%; left: 80%; animation-delay: 0.3s; }
.particle.p3 { top: 60%; left: 15%; animation-delay: 0.6s; }
.particle.p4 { top: 70%; left: 85%; animation-delay: 0.9s; }
.particle.p5 { top: 10%; left: 50%; animation-delay: 1.2s; }
.particle.p6 { top: 80%; left: 30%; animation-delay: 1.5s; }
.particle.p7 { top: 40%; left: 70%; animation-delay: 1.8s; }
.particle.p8 { top: 90%; left: 60%; animation-delay: 2.1s; }

@keyframes particleFloat {
  0%, 100% { 
    transform: translateY(0) scale(1); 
    opacity: 0.6; 
  }
  50% { 
    transform: translateY(-20px) scale(1.2); 
    opacity: 1; 
  }
}

/* 加载完成淡出动画 */
.loading-screen.fade-out {
  animation: loadingFadeOut 0.5s ease-in-out forwards;
}

@keyframes loadingFadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(1.1); }
}

/* ===== 高级企业级主题配色系统 ===== */
:root {
  /* 企业主色系 */
  --corporate-navy: #1B365D;     /* 企业深蓝 */
  --royal-blue: #2E5C8A;         /* 皇家蓝 */
  --steel-blue: #4A7FB8;         /* 钢青蓝 */
  --premium-gold: #D4A574;       /* 高级金 */
  --elegant-silver: #B5C5D1;     /* 优雅银 */
  --warm-white: #FAFBFC;         /* 温暖白 */
  --pure-white: #FFFFFF;         /* 纯白 */
  --light-gray: #F5F7FA;         /* 浅灰 */
  --medium-gray: #8B95A5;        /* 中灰 */
  --charcoal: #2D3748;           /* 炭黑 */

  /* 企业装饰色彩 */
  --accent-amber: #F6B13D;       /* 强调琥珀 */
  --success-green: #48BB78;      /* 成功绿 */
  --trust-teal: #38B2AC;         /* 信任青 */
  --innovation-purple: #805AD5;  /* 创新紫 */
  --energy-orange: #ED8936;      /* 活力橙 */
  --sophisticated-gray: #718096; /* 精致灰 */
  --luxury-cream: #FFFAF0;       /* 奢华奶油 */
  
  /* 企业级渐变组合 */
  --gradient-corporate: linear-gradient(135deg, var(--corporate-navy), var(--royal-blue));
  --gradient-premium: linear-gradient(135deg, var(--steel-blue), var(--elegant-silver));
  --gradient-luxury: linear-gradient(135deg, var(--premium-gold), var(--accent-amber));
  --gradient-trust: linear-gradient(135deg, var(--trust-teal), var(--steel-blue));
  --gradient-peach: linear-gradient(135deg, #ffab76 0%, #ffeaa7 100%);
  --gradient-sunset: linear-gradient(135deg, #ff7675 0%, #fdcb6e 100%);
  --gradient-ocean: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
  --gradient-forest: linear-gradient(135deg, #4a7c59 0%, #6ba86f 100%);
  --gradient-autumn: linear-gradient(135deg, #e17055 0%, #fdcb6e 50%, #ffab76 100%);
  
  /* 兼容性别名 */
  --primary-green: var(--corporate-navy);
  --accent-green: var(--premium-gold);
  --deep-green: var(--charcoal);
  --light-green: var(--steel-blue);
  --mint-green: var(--elegant-silver);
  
  /* 科技感色彩 */
  --tech-blue: #2563eb;
  --tech-cyan: #06b6d4;
  --gold-accent: #d4af37;
  --gold-dark: #b8860b;
  
  /* 基础色彩 */
  --deep-charcoal: #1a202c;
  --text-primary: var(--corporate-navy);
  --text-secondary: var(--royal-blue);
  --text-light: var(--medium-gray);
  --text-white: #ffffff;
  --card-bg: rgba(250, 251, 252, 0.98);
  --glass-bg: rgba(75, 127, 184, 0.08);
  --glass-warm: rgba(212, 165, 116, 0.12);
  --overlay-dark: rgba(27, 54, 93, 0.8);
  --overlay-warm: rgba(212, 165, 116, 0.2);
  
  /* 动态渐变系统 */
  --gradient-tech: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-green: linear-gradient(135deg, #4a7c59 0%, #6ba86f 100%);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f1c40f 100%);
  
  /* 增强活力渐变 */
  --gradient-vibrant: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 50%, #45b7d1 100%);
  --gradient-energy: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
  --gradient-sunset-new: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
  --gradient-cosmic: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-fresh: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  --gradient-warm: linear-gradient(135deg, #ff8a80 0%, #ffab91 50%, #ffcc80 100%);
  --gradient-rainbow: linear-gradient(135deg, #ff6b6b 0%, #feca57 25%, #48ca7c 50%, #3742fa 75%, #ff6b6b 100%);
  --gradient-ocean-wave: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #00d2ff 50%, #3a7bd5 75%, #667eea 100%);
  --gradient-tropical: linear-gradient(135deg, #ff9a56 0%, #ff6b95 25%, #c44569 50%, #f8b500 75%, #ff9a56 100%);
  
  /* 过渡动画 */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-silk: all 1.2s cubic-bezier(0.23, 1, 0.32, 1);
  
  /* 间距系统 */
  --spacing-tight: 0.7em;
  --spacing-normal: 1.4em;
  --spacing-loose: 2.8em;
  --border-radius: 12px;
  --border-radius-large: 20px;
  --border-radius-xl: 30px;
  
  /* 阴影层次系统 */
  --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(74, 124, 89, 0.3);
  --shadow-warm: 0 0 30px rgba(255, 171, 118, 0.3);
  --shadow-aurora: 0 0 40px rgba(255, 171, 118, 0.2), 0 0 60px rgba(74, 124, 89, 0.1);
  
  --font-optical-size: 16px;
}

/* ===== 基础质感处理（关键！平滑感）===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 高级食品主题背景系统 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Ccircle cx='25' cy='25' r='8' fill='%23ffab76' opacity='0.03'/%3E%3Cpath d='M70,70 Q75,65 80,70 Q75,80 70,70' fill='%236ba86f' opacity='0.02'/%3E%3Cellipse cx='50' cy='80' rx='3' ry='6' fill='%23fdcb6e' opacity='0.02'/%3E%3C/svg%3E"),
    radial-gradient(circle at 20% 30%, rgba(255, 171, 118, 0.12) 3px, transparent 3px),
    radial-gradient(circle at 80% 70%, rgba(116, 185, 255, 0.08) 2px, transparent 2px),
    radial-gradient(circle at 60% 20%, rgba(253, 203, 110, 0.06) 1.5px, transparent 1.5px),
    radial-gradient(circle at 30% 80%, rgba(152, 228, 214, 0.05) 2.5px, transparent 2.5px),
    linear-gradient(135deg, 
      rgba(255, 250, 240, 0.95) 0%,
      rgba(255, 245, 235, 0.97) 20%,
      rgba(248, 255, 248, 0.95) 40%,
      rgba(240, 248, 255, 0.97) 60%,
      rgba(255, 248, 240, 0.95) 80%,
      rgba(250, 255, 250, 0.95) 100%
    );
  background-size: 100px 100px, 80px 80px, 60px 60px, 40px 40px, 90px 90px, 100% 100%;
  animation: backgroundShift 90s ease-in-out infinite alternate;
  z-index: -10;
  pointer-events: none;
}

@keyframes backgroundShift {
  0% { 
    background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%; 
    opacity: 0.6;
  }
  50% { 
    background-position: 100% 50%, 0% 50%, 100% 0%, 0% 0%; 
    opacity: 0.8;
  }
  100% { 
    background-position: 50% 100%, 50% 0%, 0% 100%, 0% 0%; 
    opacity: 0.6;
  }
}

body {
  font-family: 'SF Pro Display', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: transparent;
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  letter-spacing: -0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Canvas背景动画系统 */
.particle-canvas,
.network-canvas,
.hero-canvas,
.products-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -5;
}

.hero-canvas {
  z-index: -3;
}

.products-canvas {
  z-index: -4;
}

/* ===== 装饰元素：非对称边框 + 悬浮微粒 ===== */
.decorative-border {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.border-top {
  position: absolute;
  top: 0;
  left: 8%;
  width: 35%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-green), var(--gold-accent), transparent);
  opacity: 0.6;
  animation: borderPulse 8s infinite ease-in-out;
}

.border-bottom {
  position: absolute;
  bottom: 0;
  right: 12%;
  width: 28%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), var(--primary-green), transparent);
  opacity: 0.4;
  animation: borderPulse 12s infinite ease-in-out reverse;
}

.border-left {
  position: absolute;
  left: 0;
  top: 20%;
  width: 2px;
  height: 25%;
  background: linear-gradient(180deg, transparent, var(--primary-green), transparent);
  opacity: 0.3;
}

.border-right {
  position: absolute;
  right: 0;
  top: 55%;
  width: 2px;
  height: 30%;
  background: linear-gradient(180deg, transparent, var(--accent-green), transparent);
  opacity: 0.3;
}

@keyframes borderPulse {
  0%, 100% { opacity: 0.3; transform: scaleX(1); }
  50% { opacity: 0.7; transform: scaleX(1.1); }
}

/* 绘制的茶叶微粒（非AI生成路径） */
.floating-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.particle {
  position: absolute;
  background: var(--accent-green);
  opacity: 0.12;
  animation: leafFloat 25s infinite ease-in-out;
  transform-origin: center;
}

/* 随机分布微粒（对称） */
.leaf-1 { 
  top: 8%; left: 12%; 
  width: 6px; height: 12px; 
  border-radius: 50% 0 50% 0; 
  animation-delay: -3s; 
  animation-duration: 28s;
}
.leaf-2 { 
  top: 65%; left: 88%; 
  width: 4px; height: 8px; 
  border-radius: 0 50% 0 50%; 
  animation-delay: -8s; 
  animation-duration: 32s;
}
.leaf-3 { 
  top: 35%; left: 7%; 
  width: 8px; height: 16px; 
  border-radius: 50% 0 50% 0; 
  animation-delay: -15s; 
  animation-duration: 22s;
}
.leaf-4 { 
  top: 82%; left: 25%; 
  width: 3px; height: 6px; 
  border-radius: 50%; 
  animation-delay: -22s; 
  animation-duration: 35s;
}
.leaf-5 { 
  top: 18%; left: 78%; 
  width: 5px; height: 10px; 
  border-radius: 0 50% 0 50%; 
  animation-delay: -12s; 
  animation-duration: 26s;
}
.leaf-6 { 
  top: 45%; left: 92%; 
  width: 7px; height: 14px; 
  border-radius: 50% 0 50% 0; 
  animation-delay: -18s; 
  animation-duration: 30s;
}
.leaf-7 { 
  top: 72%; left: 15%; 
  width: 4px; height: 9px; 
  border-radius: 50%; 
  animation-delay: -25s; 
  animation-duration: 24s;
}

@keyframes leafFloat {
  0%, 100% { 
    transform: translateY(0) rotate(0deg) scale(1); 
    opacity: 0.08; 
  }
  25% { 
    transform: translateY(-15px) rotate(5deg) scale(1.1); 
    opacity: 0.15; 
  }
  50% { 
    transform: translateY(-8px) rotate(-3deg) scale(0.9); 
    opacity: 0.12; 
  }
  75% { 
    transform: translateY(-20px) rotate(8deg) scale(1.05); 
    opacity: 0.18; 
  }
}

/* ===== 语言切换器 ===== */
.language-switcher {
  position: fixed;
  top: 15%;
  right: 20px;
  z-index: 1001;
  display: flex;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 25px;
  padding: 3px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-medium);
  min-width: 120px; /* 确保最小宽度，避免文字长度差异导致的位置变化 */
}

.lang-btn {
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
  flex: 1; /* 让两个按钮等分宽度 */
  text-align: center; /* 文字居中 */
  min-width: 55px; /* 最小宽度确保稳定性 */
}

.lang-btn.active {
  background: var(--primary-green);
  color: white;
  box-shadow: 0 2px 8px rgba(74, 124, 89, 0.3);
  transform: none; /* 防止transform引起的位置变化 */
}

.lang-btn:hover:not(.active) {
  color: var(--primary-green);
  background: rgba(74, 124, 89, 0.1);
}

/* ===== 质感导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.2em 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(74, 124, 89, 0.1);
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  padding: 0.8em 5%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-medium);
}

.logo-container {
  display: flex;
  flex-direction: column;
}

.logo {
  font-family: 'SF Pro Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--primary-green);
  position: relative;
  background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo::after {
  content: "●";
  position: absolute;
  top: -2px;
  right: -15px;
  color: var(--gold-accent);
  font-size: 1.2rem;
  opacity: 0.8;
  animation: logoDot 3s infinite ease-in-out;
}

@keyframes logoDot {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: -2px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 2.5em;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  position: relative;
  padding: 0.5em 0;
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: #ff6b6b;
  transform: translateY(-1px);
  text-shadow: 0 0 8px rgba(255, 107, 107, 0.6);
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
  border-radius: 8px;
  padding: 0.3em 0.6em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
  transition: var(--transition-smooth);
  border-radius: 1px;
}

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

.nav-link.active {
  color: var(--primary-green);
  font-weight: 600;
}

/* ===== banner区域：电影级质感 + 分隔符 ===== */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%) scale(1.02);
  object-fit: cover;
  filter: brightness(0.7) contrast(1.1) saturate(1.2) url(#film-grain);
  transition: transform 0.3s ease;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    rgba(74, 124, 89, 0.3) 0%, 
    rgba(0, 0, 0, 0.4) 50%, 
    rgba(74, 124, 89, 0.2) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
  animation: heroFadeIn 1.5s ease-out forwards;
}

@keyframes heroFadeIn {
  from { 
    opacity: 0; 
    transform: translateY(30px) scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

.company-logo-animation {
  margin-bottom: 3em;
  position: relative;
}

.logo-circle {
  width: 180px;
  height: 180px;
  margin: 0 auto 2em;
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  animation: logoCirclePulse 4s infinite ease-in-out;
}

@keyframes logoCirclePulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg); 
    box-shadow: 0 0 20px rgba(74, 124, 89, 0.3); 
  }
  50% { 
    transform: scale(1.05) rotate(2deg); 
    box-shadow: 0 0 30px rgba(74, 124, 89, 0.5); 
  }
}

.can-illustration {
  position: relative;
  width: 60px;
  height: 80px;
}

.can-img img {
    width: 188px;
    border-radius: 50%;
}

.can-body {
  width: 60px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-green) 100%);
  border-radius: 8px 8px 12px 12px;
  position: relative;
  box-shadow: inset 0 2px 10px rgba(255, 255, 255, 0.3);
}

.can-top {
  width: 66px;
  height: 15px;
  background: linear-gradient(135deg, #c0c0c0, #e0e0e0);
  border-radius: 50%;
  position: absolute;
  top: -5px;
  left: -3px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.can-top::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: #999;
  border-radius: 50%;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.can-shine {
  position: absolute;
  top: 10px;
  left: 8px;
  width: 12px;
  height: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
  border-radius: 20px;
  animation: canShine 3s infinite ease-in-out;
}

@keyframes canShine {
  0%, 100% { opacity: 0.4; transform: translateX(0); }
  50% { opacity: 0.8; transform: translateX(2px); }
}

.company-names {
  animation: companyNamesSlide 2s ease-out 0.5s both;
}

@keyframes companyNamesSlide {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.company-name-main {
  font-family: 'SF Pro Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5em;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.company-name-sub {
  font-size: 1.4rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.02em;
}

.hero-text {
  animation: heroTextSlide 2s ease-out 1s both;
}

@keyframes heroTextSlide {
  from { 
    opacity: 0; 
    transform: translateY(25px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.hero-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5em;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.cta-button {
  background: var(--gradient-ocean-wave);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 1em 2.8em;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 50px;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-size: 300% 300%;
  animation: oceanWave 6s ease-in-out infinite;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-smooth);
}

.cta-button:hover {
  background: var(--gradient-vibrant);
  border-color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 107, 107, 0.4);
  animation: buttonGlow 2s ease-in-out infinite;
}

@keyframes buttonGlow {
  0%, 100% { box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 107, 107, 0.4); }
  50% { box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 30px rgba(78, 205, 196, 0.6); }
}

@keyframes oceanWave {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes rainbowShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cta-button:hover::before {
  left: 100%;
}

/* 绘制的SVG分隔符（手绘风格，非AI生成路径） */
.section-divider {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 120px;
  pointer-events: none;
}

.divider-path {
  fill: #f8f9fa;
  opacity: 0.95;
}

.divider-accent {
  animation: dividerFlow 8s infinite ease-in-out;
}

@keyframes dividerFlow {
  0%, 100% { opacity: 0.4; stroke-dasharray: 0, 1000; }
  50% { opacity: 0.8; stroke-dasharray: 500, 500; }
}

/* ===== 通用区域样式 ===== */
.section {
  padding: 120px 5% 80px;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4em;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.section-header .section-title {
  display: flex;
  align-items: center;
  margin-bottom: 1em;
}

.section-title-decoration {
  width: 60px;
  height: 60px;
  margin: 0 20px;
  animation: decorationFloat 4s ease-in-out infinite;
}

.section-title-decoration.left {
  animation-delay: 0s;
}

.section-title-decoration.right {
  animation-delay: -2s;
}

@keyframes decorationFloat {
  0%, 100% { 
    transform: translateY(0) rotate(0deg); 
    opacity: 0.8; 
  }
  50% { 
    transform: translateY(-8px) rotate(2deg); 
    opacity: 1; 
  }
}

.section-title {
  font-family: 'Arial', sans-serif !important;
  font-size: 2.8rem !important;
  font-weight: 900 !important;
  color: #000000 !important;
  background: #ffffff !important;
  padding: 0.5em 1em !important;
  border-radius: 8px !important;
  border: 3px solid #000000 !important;
  margin-bottom: 1em !important;
  position: relative !important;
  display: inline-block !important;
  letter-spacing: 0.02em !important;
  text-shadow: none !important;
  -webkit-text-fill-color: #000000 !important;
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
}

.section-title:hover {
  background: #ffffff !important;
  border-color: #333333;
}

.section-title::first-letter {
  font-size: 3.5rem !important;
  color: #000000 !important;
  font-weight: 900 !important;
  line-height: 0.8 !important;
  float: left !important;
  margin-right: 3px !important;
  margin-top: 8px !important;
  -webkit-text-fill-color: #000000 !important;
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
}

@keyframes colorShift {
  0%, 100% { filter: hue-rotate(0deg); }
  25% { filter: hue-rotate(90deg); }
  50% { filter: hue-rotate(180deg); }
  75% { filter: hue-rotate(270deg); }
}

.title-decoration {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1em;
}

.decoration-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
  flex: 1;
  max-width: 80px;
}

.decoration-line.left {
  margin-right: 15px;
}

.decoration-line.right {
  margin-left: 15px;
}

.decoration-icon {
  font-size: 1.5rem;
  color: var(--primary-green);
  animation: decorationPulse 2s infinite ease-in-out;
}

@keyframes decorationPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

/* ===== 公司简介区域：企业级设计 ===== */
.company-profile {
  background: 
    linear-gradient(135deg, 
      var(--warm-white) 0%, 
      rgba(255, 235, 238, 0.4) 25%,
      rgba(164, 239, 234, 0.2) 50%,
      rgba(255, 230, 204, 0.3) 75%,
      var(--warm-white) 100%
    ),
    url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%234A7FB8' stroke-width='0.5' opacity='0.1'%3E%3Cpath d='M20 40 L60 40 M40 20 L40 60 M25 25 L55 55 M55 25 L25 55'/%3E%3Crect x='30' y='30' width='20' height='20' rx='4' opacity='0.05'/%3E%3C/g%3E%3Cg fill='%23D4A574' opacity='0.08'%3E%3Ccircle cx='20' cy='20' r='2'/%3E%3Ccircle cx='60' cy='60' r='2'/%3E%3Ccircle cx='20' cy='60' r='1.5'/%3E%3Ccircle cx='60' cy='20' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 100% 100%, 80px 80px;
  position: relative;
  padding: 80px 5% 80px;
}



.company-profile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-corporate);
  z-index: 1;
}

.company-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  margin-bottom: 4em;
}

.company-text {
  max-width: 600px;
}

.company-intro-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 1.5em;
  line-height: 1.2;
  position: relative;
}

.company-intro-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
  border-radius: 2px;
}

.company-description {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.8;
  text-align: justify;
  position: relative;
}

.company-description::first-letter {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary-green);
  float: left;
  line-height: 0.8;
  margin: 8px 8px 0 0;
}

.company-images {
  position: relative;
}

.image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  transform: rotate(-2deg);
}

.company-img-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.company-img-item:nth-child(1) { transform: rotate(1.5deg); }
.company-img-item:nth-child(2) { transform: rotate(-1deg); }
.company-img-item:nth-child(3) { transform: rotate(0.5deg); }
.company-img-item:nth-child(4) { transform: rotate(-0.8deg); }

.company-img-item:hover {
  transform: rotate(0deg) scale(1.05);
  box-shadow: var(--shadow-heavy);
  z-index: 10;
}

.company-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: var(--transition-smooth);
  filter: saturate(0.9) contrast(1.1);
}

.company-img-item:hover .company-img {
  filter: saturate(1.1) contrast(1.2) brightness(1.1);
}

.img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: 1.5em 1em 1em;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.company-img-item:hover .img-overlay {
  transform: translateY(0);
}

.img-title {
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
}

/* 认证区域 */
.certifications {
  background: var(--card-bg);
  padding: 3em;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  position: relative;
  z-index: 1;
}

.cert-title {
  text-align: center;
  font-size: 1.8rem;
  color: var(--primary-green);
  margin-bottom: 2em;
  position: relative;
}

.cert-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: var(--accent-green);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.cert-item {
  text-align: center;
  padding: 2em 1.5em;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.cert-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(74, 124, 89, 0.1), transparent);
  transition: var(--transition-smooth);
}

.cert-item:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-medium);
}

.cert-item:hover::before {
  left: 100%;
}

.cert-icon {
  font-size: 2.5rem;
  margin-bottom: 1em;
  animation: certIconFloat 3s infinite ease-in-out;
}

.cert-item:nth-child(2) .cert-icon { animation-delay: -1s; }
.cert-item:nth-child(3) .cert-icon { animation-delay: -2s; }

@keyframes certIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.cert-item h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.4;
}

/* ===== 产品展示区域：企业级设计 ===== */
.products-showcase {
  background: 
    linear-gradient(135deg, 
      var(--light-gray) 0%, 
      rgba(244, 239, 255, 0.6) 25%,
      rgba(255, 239, 204, 0.4) 50%,
      rgba(208, 236, 231, 0.5) 75%,
      var(--light-gray) 100%
    ),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%232E5C8A' stroke-width='0.8' opacity='0.08'%3E%3Cpath d='M15 15 L45 15 L45 45 L15 45 Z'/%3E%3Cpath d='M20 20 L40 20 L40 40 L20 40 Z'/%3E%3C/g%3E%3Cg fill='%23D4A574' opacity='0.06'%3E%3Crect x='25' y='25' width='10' height='10' rx='2'/%3E%3Ccircle cx='15' cy='15' r='2'/%3E%3Ccircle cx='45' cy='45' r='2'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 100% 100%, 60px 60px;
  color: var(--text-primary);
  position: relative;
  padding: 80px 5% 80px;
}



.products-showcase .section-header {
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.products-categories {
  text-align: center;
  margin-bottom: 3em;
  position: relative;
  z-index: 1;
}

.category-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-green);
  margin-bottom: 1em;
  letter-spacing: 0.02em;
}

.category-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.products-gallery {
  position: relative;
  z-index: 1;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2em;
  max-width: 1400px;
  margin: 0 auto;
}

.product-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  margin-bottom: 25px;
}

.product-item {
  position: relative;
  height: 280px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: var(--transition-bounce);
  cursor: pointer;
}

.product-item:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
  filter: brightness(0.9) contrast(1.1) saturate(1.1);
}

.product-item:hover .product-img {
  transform: scale(1.1);
  filter: brightness(1.1) contrast(1.2) saturate(1.3);
}

.video-container {
  position: relative;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.product-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-green);
  transition: var(--transition-bounce);
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: white;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.product-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  padding: 2em 1.5em 1.5em;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.product-item:hover .product-overlay {
  transform: translateY(0);
}

.product-overlay h4 {
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
  text-align: center;
}

.product-item.featured {
  background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-content {
  text-align: center;
  padding: 2em;
}

.featured-content h4 {
  font-size: 1.5rem;
  margin-bottom: 1em;
  color: white;
}

.featured-content p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5em;
}

.explore-btn {
  background: white;
  color: var(--primary-green);
  border: none;
  padding: 0.8em 1.5em;
  border-radius: 25px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-bounce);
}

.explore-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== 产品规格区域：企业级设计 ===== */
.product-specifications {
  background: 
    linear-gradient(135deg, 
      var(--warm-white) 0%, 
      var(--luxury-cream) 25%,
      var(--light-gray) 50%,
      var(--luxury-cream) 75%,
      var(--warm-white) 100%
    ),
    url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%234A7FB8' stroke-width='0.6' opacity='0.06'%3E%3Cpath d='M10 10 L90 10 L90 90 L10 90 Z'/%3E%3Cpath d='M30 30 L70 30 L70 70 L30 70 Z'/%3E%3Cpath d='M20 50 L80 50 M50 20 L50 80'/%3E%3C/g%3E%3Cg fill='%23D4A574' opacity='0.04'%3E%3Crect x='40' y='40' width='20' height='20' rx='4'/%3E%3Ccircle cx='25' cy='25' r='3'/%3E%3Ccircle cx='75' cy='75' r='3'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 100% 100%, 100px 100px;
  position: relative;
  padding: 80px 5% 80px;
}



.product-specifications::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-luxury);
  z-index: 1;
}

.spec-tables {
  display: flex;
  flex-direction: column;
  gap: 3em;
}

.spec-table-container {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 2.5em;
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
}

.spec-table-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--accent-green), var(--gold-accent));
}

.table-title {
  font-size: 1.8rem;
  color: var(--primary-green);
  margin-bottom: 1.5em;
  text-align: center;
  font-weight: 600;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1em;
}

.title-decoration-svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  animation: titleIconFloat 3s ease-in-out infinite;
}

.title-decoration-svg:first-child {
  animation-delay: 0s;
}

.title-decoration-svg:last-child {
  animation-delay: -1.5s;
}

@keyframes titleIconFloat {
  0%, 100% { 
    transform: translateY(0) rotate(0deg); 
    opacity: 0.8; 
  }
  50% { 
    transform: translateY(-5px) rotate(5deg); 
    opacity: 1; 
  }
}

.table-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--accent-green);
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: white;
}

.spec-table thead {
  background: var(--gradient-corporate);
  color: white;
}

.spec-table th {
  padding: 1.2em 1em;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.spec-table td {
  padding: 1em;
  border-bottom: 1px solid #f0f0f0;
  transition: var(--transition-smooth);
}

.spec-table tbody tr:hover {
  background: rgba(27, 54, 93, 0.05);
  transform: scale(1.01);
}

.spec-table tbody tr:hover td {
  color: var(--corporate-navy);
  font-weight: 500;
}

.spec-table td:first-child {
  font-weight: 600;
  color: var(--corporate-navy);
  text-align: center;
}

/* ===== 页脚区域 ===== */
.footer {
  background: linear-gradient(135deg, var(--deep-charcoal) 0%, #1a1a1a 100%);
  color: white;
  padding: 4em 5% 2em;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='30' height='30' viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M15 15c0-4.418-3.582-8-8-8s-8 3.582-8 8 3.582 8 8 8 8-3.582 8-8zm8 0c0-4.418-3.582-8-8-8s-8 3.582-8 8 3.582 8 8 8 8-3.582 8-8z'/%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
  z-index: 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4em;
  align-items: start;
  position: relative;
  z-index: 1;
  margin-bottom: 3em;
}

.footer-logo h3 {
  font-size: 1.5rem;
  color: var(--accent-green);
  margin-bottom: 0.5em;
  font-weight: 700;
}

.footer-logo h4 {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2em;
  font-weight: 400;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.8em;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  padding: 0.5em 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(5px);
  padding-left: 10px;
}

.contact-label {
  font-weight: 600;
  color: var(--accent-green);
  min-width: 140px;
  font-size: 0.95rem;
}

.contact-value {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
}

.qr-codes {
  display: flex;
  flex-direction: column;
  gap: 2em;
  align-items: center;
}

.qr-code-item {
  text-align: center;
  transition: var(--transition-bounce);
  cursor: pointer;
}

.qr-code-item:hover {
  transform: translateY(-5px) scale(1.05);
}

.qr-img {
  width: 120px;
  height: 120px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  transition: var(--transition-smooth);
  background: white;
  padding: 5px;
}

.qr-code-item:hover .qr-img {
  box-shadow: var(--shadow-heavy);
}

.qr-label {
  display: block;
  margin-top: 0.8em;
  color: var(--accent-green);
  font-weight: 500;
  font-size: 0.9rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2em;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== 模态框样式 ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  margin: auto;
  padding: 20px;
  width: 90%;
  max-width: 1200px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 2001;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--accent-green);
  transform: scale(1.1);
}

.modal-media-container {
  max-width: 100%;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image,
.modal-video {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* 加载动画 */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== 响应式断点（微调值）===== */
@media (max-width: 1200px) {
  .product-row {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1.5fr 1fr;
    gap: 3em;
  }
}

@media (max-width: 1024px) {
  .company-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .image-grid {
    transform: rotate(0);
    max-width: 600px;
    margin: 0 auto;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5em;
  }
  
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5em;
  }
  
  .product-tabs {
    gap: 1em;
  }
  
  .tab-btn {
    padding: 0.8em 1.8em;
    font-size: 1rem;
  }
  
  .spec-tables {
    gap: 2em;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2em;
  }
  
  .qr-codes {
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .language-switcher {
    top: 20px;
    right: 15px;
    min-width: 110px;
  }
  
  .lang-btn {
    padding: 7px 14px;
    font-size: 0.85rem;
    min-width: 50px;
  }

  .navbar {
    padding: 1em 5%;
    flex-direction: column;
    gap: 1em;
  }
  
  .nav-links {
    gap: 1.5em;
  }
  
  .hero-content {
    padding: 0 15px;
  }
  
  .company-name-main {
    font-size: 1.8rem;
  }
  
  .company-name-sub {
    font-size: 1.1rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 80px 5% 60px;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2em;
    margin: 0 auto;
    max-width: 100%;
    padding: 0 1em;
  }

  .product-card {
    height: 280px;
  }

  .product-info h4 {
    font-size: 1.1rem;
  }

  .product-info p {
    font-size: 0.9rem;
  }

  .featured-showcase {
    grid-column: 1;
  }

  .stats-display {
    flex-direction: row;
    gap: 1em;
  }
  
  .video-grid {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }
  
  .product-item {
    height: 300px;
  }
  
  .product-tabs {
    flex-direction: column;
    gap: 0.8em;
  }
  
  .tab-btn {
    padding: 0.8em 1.5em;
    font-size: 0.9rem;
  }
  
  .image-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .company-img-item {
    transform: rotate(0) !important;
  }
  
  .spec-table-container {
    padding: 1em;
  }

  .spec-table {
    font-size: 0.8rem;
    table-layout: fixed;
    width: 100%;
  }

  .spec-table th:first-child,
  .spec-table td:first-child {
    width: 20%;
    padding: 0.6em 0.3em;
    font-size: 0.75rem;
  }

  .spec-table th:nth-child(2),
  .spec-table td:nth-child(2) {
    width: 40%;
    padding: 0.6em 0.4em;
    font-size: 0.75rem;
  }

  .spec-table th:nth-child(3),
  .spec-table td:nth-child(3) {
    width: 40%;
    padding: 0.6em 0.4em;
    font-size: 0.75rem;
    word-wrap: break-word;
  }
  
  .contact-item {
    flex-direction: column;
    gap: 0.3em;
  }
  
  .contact-label {
    min-width: auto;
  }
}

/* 分公司名称只在中文版显示 */
.contact-item-zh {
  display: block;
}

[lang="en"] .contact-item-zh {
  display: none !important;
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: 1rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pagination-btn {
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, #4a7c59, #6ba86f);
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
}

.pagination-btn:hover:not(.disabled) {
  background: linear-gradient(135deg, #6ba86f, #4a7c59);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 124, 89, 0.4);
}

.pagination-btn.disabled {
  background: rgb(0 0 0 / 20%);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.pagination-numbers {
  display: flex;
  gap: 0.5rem;
}

.page-number {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgb(0 0 0 / 20%);
  backdrop-filter: blur(10px);
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-number:hover {
  background: rgba(74, 124, 89, 0.8);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(74, 124, 89, 0.3);
}

.page-number.active {
  background: linear-gradient(135deg, #4a7c59, #6ba86f);
  border-color: rgba(255, 255, 255, 0.6);
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(74, 124, 89, 0.4);
  font-weight: 700;
}

@media (max-width: 480px) {
  .language-switcher {
    top: 20%;
    right: 7%;
    min-width: 100px;
  }
  
  .lang-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    min-width: 45px;
  }
  
  .logo {
    font-size: 1.4rem;
  }
  
  .logo-subtitle {
    font-size: 0.65rem;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1em;
  }
  
  .nav-link {
    font-size: 0.9rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .company-intro-title {
    font-size: 1.6rem;
  }
  
  .company-description {
    font-size: 1rem;
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .spec-table {
    font-size: 0.75rem;
    table-layout: fixed;
    width: 100%;
  }

  .spec-table th:first-child,
  .spec-table td:first-child {
    width: 15%;
    padding: 0.5em 0.2em;
    font-size: 0.7rem;
  }

  .spec-table th:nth-child(2),
  .spec-table td:nth-child(2) {
    width: 45%;
    padding: 0.5em 0.3em;
    font-size: 0.7rem;
  }

  .spec-table th:nth-child(3),
  .spec-table td:nth-child(3) {
    width: 40%;
    padding: 0.5em 0.3em;
    font-size: 0.7rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1em;
  }

  .product-card {
    height: 250px;
  }

  .product-info h4 {
    font-size: 1rem;
  }

  .product-info p {
    font-size: 0.85rem;
  }

  .stats-display {
    flex-direction: column;
    gap: 0.8em;
  }

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

  
  .qr-img {
    width: 100px;
    height: 100px;
  }
  
  .modal-close {
    top: 10px;
    right: 15px;
    font-size: 2rem;
  }
}

/* ===== 新增：浮动装饰元素 ===== */
.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.float-element {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--gold-accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: floatDance 8s ease-in-out infinite;
}

.element-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 6s;
}

.element-2 {
  top: 60%;
  right: 15%;
  animation-delay: -2s;
  animation-duration: 8s;
}

.element-3 {
  bottom: 30%;
  left: 80%;
  animation-delay: -4s;
  animation-duration: 7s;
}

@keyframes floatDance {
  0%, 100% { 
    transform: translateY(0) rotate(0deg) scale(1); 
    opacity: 0.3; 
  }
  25% { 
    transform: translateY(-20px) rotate(90deg) scale(1.2); 
    opacity: 0.6; 
  }
  50% { 
    transform: translateY(-10px) rotate(180deg) scale(0.8); 
    opacity: 0.4; 
  }
  75% { 
    transform: translateY(-15px) rotate(270deg) scale(1.1); 
    opacity: 0.7; 
  }
}

/* ===== 产品标签页系统 ===== */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 2em;
  margin: 3em 0;
  position: relative;
  z-index: 2;
}

.tab-btn {
  background: var(--glass-bg);
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  padding: 1em 2.5em;
  border-radius: var(--border-radius-large);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-elastic);
  backdrop-filter: blur(15px);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition-smooth);
}

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

.tab-btn:hover {
  border-color: var(--accent-green);
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-glow);
}

.tab-btn.active {
  background: var(--gradient-green);
  border-color: var(--accent-green);
  color: white;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.tab-content {
  display: none;
  animation: tabFadeIn 0.6s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes tabFadeIn {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}



.product-item {
  position: relative;
  perspective: 1000px;
  height: 350px;
}

.product-card {
  position: relative;
  width: 100%;
  height: 100%;
  transition: var(--transition-smooth);
  cursor: pointer;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.product-img {
  width: 100%;
  height: 70%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-heavy), 0 0 25px rgba(102, 126, 234, 0.3);
  border-color: rgba(255, 107, 107, 0.5);
}

.product-card:hover .product-img {
  transform: scale(1.02);
}

.product-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1em;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  height: auto;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-info h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  text-shadow: none;
  text-align: center;
}

.product-info p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.4;
}

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--gradient-gold);
  color: white;
  padding: 0.6em 1.2em;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-medium);
  z-index: 3;
  min-width: 70px;
  text-align: center;
  animation: badgePulse 3s ease-in-out infinite;
  transform-origin: center;
  transition: var(--transition-smooth);
  white-space: nowrap;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.product-badge.premium {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  border-color: rgba(102, 126, 234, 0.4);
  animation: badgePulse 2.5s ease-in-out infinite;
}

.product-badge.new {
  background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 50%, #45b7d1 100%);
  border-color: rgba(255, 107, 107, 0.4);
  animation: badgePulse 3.5s ease-in-out infinite;
}

.product-badge.organic {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 50%, #4ade80 100%);
  border-color: rgba(168, 237, 234, 0.4);
  animation: badgePulse 4s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg); 
    box-shadow: var(--shadow-medium);
  }
  25% { 
    transform: scale(1.02) rotate(0.5deg); 
  }
  50% { 
    transform: scale(1.06) rotate(0deg); 
    box-shadow: var(--shadow-heavy), 0 0 15px rgba(212, 175, 55, 0.4);
  }
  75% { 
    transform: scale(1.02) rotate(-0.5deg); 
  }
}

.product-badge:hover {
  animation-play-state: paused;
  transform: scale(1.08) rotate(1deg);
  box-shadow: var(--shadow-heavy), 0 0 20px rgba(212, 175, 55, 0.6);
}

.card-back h4 {
  font-size: 1.5rem;
  margin-bottom: 1em;
  font-weight: 700;
}

.card-back p {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.9;
}

/* ===== 特色展示卡片 ===== */
.featured-showcase {
  grid-column: span 1;
}

.showcase-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  padding: 2.5em;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.showcase-content::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(74, 124, 89, 0.1), transparent);
  animation: rotateGradient 10s linear infinite;
}

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

.showcase-icon {
  position: relative;
  z-index: 2;
  margin-bottom: 1.5em;
}

.icon-container {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rotating-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: var(--accent-green);
  border-right-color: var(--gold-accent);
  border-radius: 50%;
  animation: rotateBorder 3s linear infinite;
}

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

.icon {
  font-size: 2rem;
  z-index: 1;
}

.showcase-content h4 {
  font-size: 1.3rem;
  margin-bottom: 1em;
  font-weight: 600;
  position: relative;
  z-index: 2;
}

.showcase-content p {
  font-size: 0.95rem;
  margin-bottom: 1.5em;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

.stats-display {
  display: flex;
  gap: 2em;
  position: relative;
  z-index: 2;
}

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

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 0.3em;
}

.stat-label {
  font-size: 0.8rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== 视频展示网格 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2em;
  max-width: 1400px;
  margin: 0 auto;
}

.video-item {
  position: relative;
  height: 350px;
}

.video-card {
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 100%;
  transition: var(--transition-smooth);
  cursor: pointer;
  box-shadow: var(--shadow-medium);
}

.video-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-heavy);
  border-color: var(--accent-green);
}

.video-container {
  position: relative;
  height: 200px;
  overflow: hidden;
  cursor: pointer;
}

.product-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.video-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.video-card:hover .video-play-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.play-button {
  width: 70px;
  height: 70px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.play-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-smooth);
}

.video-card:hover .play-button::before {
  left: 100%;
}

.video-card:hover .play-button {
  transform: scale(1.1);
  border-color: var(--accent-green);
  box-shadow: var(--shadow-glow);
}

.play-icon {
  width: 0;
  height: 0;
  border-left: 20px solid rgba(255, 255, 255, 0.9);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 5px;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 0.3em 0.8em;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.video-info {
  padding: 1.5em;
}

.video-info h4 {
  font-size: 1.2rem;
  margin-bottom: 0.8em;
  color: var(--text-primary);
  font-weight: 600;
}

.video-info p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 1em;
}

.video-tags {
  display: flex;
  gap: 0.5em;
  flex-wrap: wrap;
}

.tag {
  background: rgba(74, 124, 89, 0.3);
  color: var(--accent-green);
  padding: 0.3em 0.8em;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(74, 124, 89, 0.5);
}

/* ===== 占位符卡片 ===== */
.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  text-align: center;
  padding: 2em;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1em;
  opacity: 0.6;
}

.placeholder-content h4 {
  font-size: 1.3rem;
  margin-bottom: 1em;
  color: var(--text-primary);
}

.placeholder-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1.5em;
}

.coming-soon-btn {
  background: transparent;
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  padding: 0.8em 1.5em;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-bounce);
}

.coming-soon-btn:hover {
  background: var(--accent-green);
  color: white;
  transform: translateY(-2px);
}

/* ===== 高级装饰挂件系统 ===== */
.decorative-ornaments {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -2;
}

.ornament {
  position: absolute;
  opacity: 0.6;
  transition: var(--transition-silk);
}

.ornament-svg {
  width: 100%;
  height: 100%;
  filter: url(#warm-glow);
}

.ornament-top-left {
  top: 5%;
  left: 3%;
  width: 120px;
  height: 120px;
  animation: ornamentFloat 12s ease-in-out infinite;
}

.ornament-top-right {
  top: 8%;
  right: 5%;
  width: 100px;
  height: 100px;
  animation: ornamentFloat 15s ease-in-out infinite reverse;
}

.ornament-bottom-left {
  bottom: 10%;
  left: 2%;
  width: 110px;
  height: 110px;
  animation: ornamentSway 18s ease-in-out infinite;
}

.ornament-bottom-right {
  bottom: 6%;
  right: 4%;
  width: 130px;
  height: 130px;
  animation: ornamentSway 14s ease-in-out infinite reverse;
}

.ornament-center-float {
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%);
  animation: ornamentPulse 20s ease-in-out infinite;
  opacity: 0.3;
}

@keyframes ornamentFloat {
  0%, 100% { 
    transform: translateY(0) rotate(0deg) scale(1); 
    opacity: 0.4; 
  }
  25% { 
    transform: translateY(-15px) rotate(2deg) scale(1.05); 
    opacity: 0.7; 
  }
  50% { 
    transform: translateY(-8px) rotate(-1deg) scale(0.98); 
    opacity: 0.5; 
  }
  75% { 
    transform: translateY(-20px) rotate(3deg) scale(1.02); 
    opacity: 0.8; 
  }
}

@keyframes ornamentSway {
  0%, 100% { 
    transform: translateX(0) rotate(0deg); 
    opacity: 0.5; 
  }
  33% { 
    transform: translateX(10px) rotate(-2deg); 
    opacity: 0.7; 
  }
  66% { 
    transform: translateX(-5px) rotate(1deg); 
    opacity: 0.6; 
  }
}

@keyframes ornamentPulse {
  0%, 100% { 
    transform: translate(-50%, -50%) scale(1) rotate(0deg); 
    opacity: 0.2; 
  }
  50% { 
    transform: translate(-50%, -50%) scale(1.1) rotate(180deg); 
    opacity: 0.4; 
  }
}

/* ===== 动态食品粒子系统 ===== */
.food-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.food-particle {
  position: absolute;
  font-size: 2rem;
  opacity: 0.4;
  animation: foodParticleDance 25s ease-in-out infinite;
  filter: drop-shadow(0 0 10px rgba(255, 171, 118, 0.3));
}

.food-particle.business {
  top: 15%;
  left: 8%;
  animation-delay: -2s;
  animation-duration: 28s;
}

.food-particle.quality {
  top: 25%;
  right: 12%;
  animation-delay: -8s;
  animation-duration: 32s;
}

.food-particle.innovation {
  top: 45%;
  left: 5%;
  animation-delay: -15s;
  animation-duration: 26s;
}

.food-particle.trust {
  top: 65%;
  right: 8%;
  animation-delay: -22s;
  animation-duration: 30s;
}

.food-particle.excellence {
  top: 35%;
  left: 85%;
  animation-delay: -12s;
  animation-duration: 24s;
}

.food-particle.growth {
  top: 75%;
  left: 15%;
  animation-delay: -18s;
  animation-duration: 35s;
}

.food-particle.global {
  top: 55%;
  right: 20%;
  animation-delay: -25s;
  animation-duration: 22s;
}

.food-particle.success {
  top: 85%;
  left: 75%;
  animation-delay: -5s;
  animation-duration: 28s;
}

@keyframes foodParticleDance {
  0%, 100% { 
    transform: translateY(0) rotate(0deg) scale(1); 
    opacity: 0.2; 
  }
  25% { 
    transform: translateY(-25px) rotate(90deg) scale(1.2); 
    opacity: 0.6; 
  }
  50% { 
    transform: translateY(-15px) rotate(180deg) scale(0.8); 
    opacity: 0.3; 
  }
  75% { 
    transform: translateY(-30px) rotate(270deg) scale(1.1); 
    opacity: 0.7; 
  }
}

/* ===== 区域特定装饰增强 ===== */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('#food-pattern') repeat;
  opacity: 0.02;
  pointer-events: none;
  z-index: 0;
}

.company-profile::before {
  background: 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M10,40 Q20,20 40,30 Q60,10 70,40 Q60,60 40,50 Q20,70 10,40' stroke='%234a7c59' stroke-width='0.8' fill='none' opacity='0.04'/%3E%3Ccircle cx='65' cy='15' r='4' fill='%2398e4d6' opacity='0.03'/%3E%3C/svg%3E"),
    linear-gradient(135deg, rgba(255, 171, 118, 0.02), rgba(107, 168, 111, 0.02));
  background-size: 80px 80px, 100% 100%;
}

.products-showcase::before {
  background: 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpath d='M30,20 Q35,10 40,20 Q45,35 40,45 Q35,55 30,45 Q25,35 30,20' fill='%23e17055' opacity='0.02'/%3E%3Ccircle cx='90' cy='30' r='4' fill='%236c5ce7' opacity='0.03'/%3E%3C/svg%3E"),
    linear-gradient(135deg, rgba(116, 185, 255, 0.03), rgba(253, 203, 110, 0.02));
  background-size: 120px 120px, 100% 100%;
}

/* ===== 增强的区域样式 ===== */
.section-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--gradient-peach);
  border-radius: 1px;
  opacity: 0.6;
}



/* ===== 产品标签增强 ===== */
.product-badge {
  position: relative;
  overflow: hidden;
}

.product-badge::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: conic-gradient(var(--peach-orange), var(--corn-yellow), var(--seafood-blue), var(--berry-purple), var(--peach-orange));
  border-radius: inherit;
  z-index: -1;
  animation: rotateBorder 4s linear infinite;
}

.product-badge.premium {
  background: var(--gradient-ocean);
  box-shadow: var(--shadow-aurora);
}

.product-badge.new {
  background: var(--gradient-sunset);
  box-shadow: var(--shadow-warm);
}

.product-badge.organic {
  background: var(--gradient-forest);
  box-shadow: var(--shadow-glow);
}

/* ===== 隐藏滚动条但保留功能（高级细节）===== */
body::-webkit-scrollbar {
  width: 8px;
}

body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

body::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-green), var(--accent-green));
  border-radius: 4px;
}

body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-green), var(--primary-green));
}

/* ===== 选择文本样式 ===== */
::selection {
  background: rgba(74, 124, 89, 0.2);
  color: var(--primary-green);
}

::-moz-selection {
  background: rgba(74, 124, 89, 0.2);
  color: var(--primary-green);
}

/* ===== 焦点样式 ===== */
*:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
}

button:focus,
.nav-link:focus,
.lang-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.3);
}

/* ===== 打印样式 ===== */
@media print {
  .navbar,
  .language-switcher,
  .floating-particles,
  .decorative-border,
  .modal {
    display: none !important;
  }
  
  .section {
    padding: 2em 0;
    page-break-inside: avoid;
  }
  
  .hero {
    height: auto;
    padding: 2em 0;
  }
  
  .hero-video-container {
    display: none;
  }
}

/* ===== 高对比度模式支持 ===== */
@media (prefers-contrast: high) {
  :root {
    --primary-green: #2d5a3d;
    --accent-green: #4a7c59;
    --text-primary: #000000;
    --text-light: #333333;
  }
  
  .hero-video {
    filter: brightness(0.5) contrast(1.5);
  }
  
  .card-bg {
    background: #ffffff;
    border: 2px solid var(--primary-green);
  }
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--gradient-peach);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-aurora);
  transition: var(--transition-elastic);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 1000;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-warm), 0 10px 30px rgba(255, 171, 118, 0.4);
}

.back-to-top-icon {
  width: 24px;
  height: 24px;
  color: white;
  transition: var(--transition-smooth);
}

.back-to-top:hover .back-to-top-icon {
  transform: translateY(-2px);
}

/* 返回顶部按钮的呼吸动画 */
@keyframes breathe {
  0%, 100% { 
    box-shadow: var(--shadow-aurora); 
  }
  50% { 
    box-shadow: var(--shadow-warm), 0 0 50px rgba(255, 171, 118, 0.6); 
  }
}

.back-to-top.visible {
  animation: breathe 3s ease-in-out infinite;
}

/* ===== 减少动画模式支持 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-particles,
  .decorative-border,
  .back-to-top {
    animation: none !important;
  }
}