/* 叶牌果业 - 全站样式 */
:root {
  --primary: #7CB342;
  --primary-hsl: 85 50% 48%;
  --secondary: #F9A825;
  --secondary-hsl: 42 95% 56%;
  --bg: #FAF8F2;
  --text-dark: #1B3A20;
  --text-muted: #5A6B5C;
  --accent: #FF7043;
  --success: #4CAF50;
  --error: #EF5350;
  --border: hsl(85 15% 90%);
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(27, 58, 32, 0.05);
  --shadow-md: 0 4px 6px rgba(27, 58, 32, 0.07);
  --shadow-lg: 0 10px 25px rgba(27, 58, 32, 0.1);
  --shadow-xl: 0 20px 40px rgba(27, 58, 32, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease-out;
  --max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei',
    'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
}

.navbar-logo img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}

.navbar-logo span {
  background: linear-gradient(135deg, var(--primary), #558B2F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-dark);
  position: relative;
  padding: 6px 0;
}

.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.navbar-links a:hover {
  color: var(--primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-lang {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.btn-lang:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: #FF5722;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-dark);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 72px;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(27, 58, 32, 0.55) 0%,
      rgba(27, 58, 32, 0.25) 50%,
      rgba(249, 168, 37, 0.15) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(249, 168, 37, 0.9);
  color: var(--text-dark);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 20px;
  font-weight: 400;
  opacity: 0.95;
  margin-bottom: 36px;
  line-height: 1.6;
}

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

.hero-buttons .btn-primary {
  padding: 14px 32px;
  font-size: 16px;
  box-shadow: 0 4px 15px rgba(255, 112, 67, 0.4);
}

.hero-buttons .btn-outline {
  padding: 14px 32px;
  font-size: 16px;
  border-color: var(--white);
  color: var(--white);
}

.hero-buttons .btn-outline:hover {
  background: var(--white);
  color: var(--text-dark);
}

.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active {
  background: var(--white);
  width: 28px;
  border-radius: 5px;
}

/* ===== Page Hero (非首页) ===== */
.page-hero {
  margin-top: 72px;
  padding: 100px 0 80px;
  background: linear-gradient(135deg,
      hsl(85 40% 30%) 0%,
      hsl(85 50% 48%) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(249, 168, 37, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 18px;
  opacity: 0.9;
  position: relative;
}

/* ===== Section 通用 ===== */
.section {
  padding: 96px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-title p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section-title .subtitle {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ===== 优势区块 ===== */
.advantages {
  background: var(--white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  padding: 32px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), #558B2F);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 28px;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.advantage-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 产品网格 ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.product-tags {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.product-tag {
  padding: 4px 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
}

.product-tag.hot {
  background: var(--accent);
}

.product-tag.premium {
  background: var(--secondary);
  color: var(--text-dark);
}

.product-tag.organic {
  background: var(--primary);
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.product-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.product-spec {
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.product-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.product-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.product-btn {
  padding: 8px 16px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.product-btn:hover {
  background: #558B2F;
}

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

.brand-story-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.brand-story-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.brand-story-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.brand-story-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-dark);
  line-height: 1.3;
}

.brand-story-text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.brand-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.brand-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.brand-feature-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}

.brand-feature h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.brand-feature p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ===== 资讯列表 ===== */
.news-section {
  background: var(--bg);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--border);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.news-content {
  padding: 24px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.news-category {
  padding: 3px 10px;
  background: hsl(85 40% 92%);
  color: var(--primary);
  border-radius: 4px;
  font-weight: 600;
  font-size: 12px;
}

.news-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 联系区块 ===== */
.contact-cta {
  background: linear-gradient(135deg, var(--primary) 0%, #558B2F 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(249, 168, 37, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-cta::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 112, 67, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-cta h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.contact-cta p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
  position: relative;
}

.contact-cta .btn-primary {
  background: var(--accent);
  padding: 16px 40px;
  font-size: 18px;
  position: relative;
  box-shadow: 0 8px 24px rgba(255, 112, 67, 0.4);
}

.contact-cta .btn-primary:hover {
  background: #FF5722;
}

/* ===== 物流/保鲜页面 ===== */
.logistics-hero {
  margin-top: 72px;
  padding: 120px 0;
  background: linear-gradient(135deg,
      rgba(27, 58, 32, 0.6) 0%,
      rgba(27, 58, 32, 0.3) 100%),
    url('../images/hero_orchard.jpg') center/cover;
  color: var(--white);
  text-align: center;
}

.logistics-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.logistics-hero p {
  font-size: 20px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.features-section {
  padding: 96px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), #558B2F);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--white);
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.logistics-flow {
  padding: 96px 0;
  background: var(--bg);
}

.flow-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 56px;
}

.flow-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--border);
  z-index: 0;
}

.flow-step {
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.flow-step-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), #558B2F);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(124, 179, 66, 0.3);
}

.flow-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.flow-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 0 12px;
}

.temperature-section {
  padding: 96px 0;
  background: var(--white);
}

.temp-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.temp-info h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.temp-info p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.temp-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.temp-number {
  text-align: center;
  padding: 20px 12px;
  background: var(--bg);
  border-radius: var(--radius-md);
}

.temp-number .num {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.temp-number .label {
  font-size: 13px;
  color: var(--text-muted);
}

.temp-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.temp-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ===== 关于我们 ===== */
.about-hero {
  margin-top: 72px;
  padding: 120px 0;
  background: linear-gradient(135deg,
      rgba(27, 58, 32, 0.6) 0%,
      rgba(27, 58, 32, 0.3) 100%),
    url('../images/hero_korla.jpg') center/cover;
  color: var(--white);
  text-align: center;
}

.about-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 20px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.about-story {
  padding: 96px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-dark);
  line-height: 1.3;
}

.about-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.stats-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #558B2F 100%);
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .num {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--secondary);
}

.stat-item .label {
  font-size: 16px;
  opacity: 0.9;
}

.values-section {
  padding: 96px 0;
  background: var(--bg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.value-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.value-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, hsl(42 95% 56%), hsl(38 95% 50%));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--text-dark);
}

.value-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.value-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== 联系我们 ===== */
.contact-hero {
  margin-top: 72px;
  padding: 120px 0;
  background: linear-gradient(135deg,
      rgba(27, 58, 32, 0.6) 0%,
      rgba(27, 58, 32, 0.3) 100%),
    url('../images/hero_harvest.jpg') center/cover;
  color: var(--white);
  text-align: center;
}

.contact-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-hero p {
  font-size: 20px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.contact-section {
  padding: 96px 0;
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}

.contact-info h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.contact-info-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), #558B2F);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
}

.contact-item-content h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.contact-item-content p,
.contact-item-content a {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
}

.contact-item-content a:hover {
  color: var(--primary);
}

.contact-form-wrap {
  background: var(--bg);
  padding: 40px;
  border-radius: var(--radius-xl);
}

.contact-form-wrap h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.contact-form-wrap > p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 179, 66, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.contact-form-wrap .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 16px;
}

/* ===== Footer ===== */
.footer {
  background: hsl(130 36% 12%);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand-logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.7;
  margin-bottom: 20px;
}

.footer-phone {
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary);
}

.footer-phone small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.7;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--secondary);
}

.footer-contact li {
  font-size: 14px;
  display: flex;
  gap: 10px;
  line-height: 1.6;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* ===== 浮动客服按钮 ===== */
.floating-service {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: none;
}

.float-btn:hover {
  background: #558B2F;
  transform: scale(1.1);
}

.float-btn.phone {
  background: var(--accent);
}

.float-btn.phone:hover {
  background: #FF5722;
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 99;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
}

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

.back-to-top:hover {
  background: var(--primary);
  color: var(--white);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 44px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brand-story-content,
  .about-grid,
  .contact-content,
  .temp-content {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    flex-wrap: wrap;
    gap: 32px;
  }

  .flow-steps::before {
    display: none;
  }

  .flow-step {
    flex: 0 0 calc(50% - 16px);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .navbar-links,
  .navbar-actions .btn-lang {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .navbar-logo {
    font-size: 18px;
  }

  .navbar-logo img {
    width: 36px;
    height: 36px;
  }

  .hero {
    min-height: 480px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .page-hero {
    padding: 70px 0 50px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title h2 {
    font-size: 26px;
  }

  .section-title {
    margin-bottom: 36px;
  }

  .products-grid,
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .advantages-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .advantage-card {
    padding: 20px 16px;
  }

  .advantage-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }

  .advantage-card h3 {
    font-size: 16px;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .flow-step {
    flex: 0 0 100%;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-item .num {
    font-size: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: 28px 20px;
  }

  .logistics-hero h1,
  .about-hero h1,
  .contact-hero h1 {
    font-size: 32px;
  }

  .logistics-hero p,
  .about-hero p,
  .contact-hero p {
    font-size: 16px;
  }

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

  .temp-numbers {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .temp-number .num {
    font-size: 24px;
  }

  .floating-service {
    right: 16px;
    bottom: 72px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

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