/* Cache-Control: max-age=2592000, immutable */
/* ===================== RESET & BASE ===================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Han Sans CN', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  color: #333; background: #fff;
  line-height: 1.6;
  font-size: 15px;
}
img { width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===================== VARIABLES ===================== */
:root {
  --green-primary: #0F5125;
  --green-dark: #0a3a18;
  --green-light: #F0F9F4;
  --yellow-accent: #f5a623;
  --text-dark: #333333;
  --text-muted: #666;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* ===================== TOP BAR ===================== */
.topbar {
  background: #0a3a18;
  color: #fff;
  padding: 8px 0;
  font-size: 13px;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
}
.topbar a { color: #fff; }
.topbar-left span { margin-right: 20px; }
.topbar-left i { margin-right: 5px; }
.topbar-right a { margin-left: 15px; transition: var(--transition); }
.topbar-right a:hover { color: var(--yellow-accent); }

/* ===================== NAVBAR ===================== */
.navbar {
  background: var(--white);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 70px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 700;
  color: var(--green-primary);
  flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--green-primary), var(--green-dark));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; flex-shrink: 0;
}
.nav-logo strong { color: var(--green-dark); font-size: 16px; }
.nav-logo small { font-size: 11px; color: var(--green-dark); opacity: 0.75; }
.nav-links { display: flex; gap: 8px; }
.nav-links a {
  padding: 8px 18px; border-radius: 6px;
  font-size: 15px; font-weight: 500;
  color: #444; transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px; background: var(--green-primary);
  border-radius: 2px; transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--green-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 70%; }
.nav-cta {
  background: var(--green-primary) !important;
  color: #fff !important; border-radius: 25px !important;
  padding: 8px 22px !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--green-dark) !important; }

/* Mobile menu toggle */
.nav-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 28px; height: 3px; background: var(--green-primary); border-radius: 2px; }

/* ===================== CONTAINER ===================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title {
  text-align: center; margin-bottom: 50px;
}
.section-title h2 {
  font-size: 26px; color: var(--text-dark);
  margin-bottom: 12px; position: relative; display: inline-block;
  font-weight: 700;
}
.section-title h2::after {
  content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);
  width: 60px; height: 4px; background: var(--green-primary);
  border-radius: 2px;
}
.section-title p { color: var(--text-muted); font-size: 15px; margin-top: 16px; }

/* ===================== SUBPAGE BANNER ===================== */
.subpage-banner {
  position: relative; height: 400px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff;
}
.subpage-banner img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.subpage-banner .banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(20,60,20,0.8) 0%, rgba(20,60,20,0.5) 100%);
}
.subpage-banner .banner-content {
  position: relative; z-index: 2; padding: 20px; max-width: 800px;
}
.subpage-banner h1 {
  font-size: 42px; font-weight: 800; margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3); line-height: 1.3;
}
.subpage-banner p {
  font-size: 18px; opacity: 0.9; line-height: 1.6;
}

/* ===================== HERO CAROUSEL ===================== */
.hero { position: relative; height: 600px; overflow: hidden; }
.hero-slides {
  position: absolute; inset: 0;
  display: flex; transition: transform 0.6s ease-in-out;
}
.hero-slide {
  min-width: 100%; height: 600px; position: relative;
}
.hero-slide img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(20,60,20,0.75) 0%, rgba(20,60,20,0.4) 100%);
}
.hero-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: #fff; padding: 20px;
}
.hero-badge {
  display: inline-block; background: var(--yellow-accent);
  color: #fff; padding: 6px 20px; border-radius: 20px;
  font-size: 14px; font-weight: 600; margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero-content h1 {
  font-size: 38px; font-weight: 800; margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  line-height: 1.3;
}
.hero-content p {
  font-size: 16px; margin-bottom: 30px; opacity: 0.9;
  max-width: 600px; line-height: 1.75;
}
.hero-btns { display: flex; gap: 16px; }
.btn-primary {
  background: var(--green-primary); color: #fff;
  padding: 14px 36px; border-radius: 30px;
  font-size: 16px; font-weight: 600;
  border: none; cursor: pointer;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent; color: #fff;
  padding: 14px 36px; border-radius: 30px;
  font-size: 16px; font-weight: 600;
  border: 2px solid rgba(255,255,255,0.7);
  cursor: pointer; transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
/* Carousel dots */
.hero-dots {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 10;
}
.hero-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.5); cursor: pointer;
  transition: var(--transition); border: none;
}
.hero-dot.active { background: var(--yellow-accent); transform: scale(1.3); }
/* Carousel arrows */
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10; background: rgba(0,0,0,0.3);
  color: #fff; border: none; width: 50px; height: 50px;
  border-radius: 50%; font-size: 22px; cursor: pointer;
  transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.hero-arrow:hover { background: rgba(0,0,0,0.6); }
.hero-arrow.prev { left: 20px; }
.hero-arrow.next { right: 20px; }

/* ===================== CORE ADVANTAGES ===================== */
.core-advantage { background: var(--green-light); }
.advantage-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.advantage-card {
  background: var(--white); border-radius: var(--radius);
  padding: 30px 20px; text-align: center;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  position: relative; overflow: hidden;
}
.advantage-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--green-primary), var(--yellow-accent));
}
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.advantage-icon {
  width: 70px; height: 70px; margin: 0 auto 16px;
  border-radius: 50%; overflow: hidden;
}
.advantage-icon img { width: 100%; height: 100%; object-fit: cover; }
.advantage-card h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 700; }
.advantage-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* ===================== DETAIL SECTION (子页内容板块) ===================== */
.detail-section {
  padding: 80px 0;
}
.detail-section:nth-child(even) {
  background: var(--green-light);
}
.detail-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  align-items: center;
}
.detail-block.reverse {
  direction: rtl;
}
.detail-block.reverse > * {
  direction: ltr;
}
.detail-img {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.detail-img img {
  width: 100%; height: 400px; object-fit: cover;
  transition: var(--transition);
}
.detail-img:hover img { transform: scale(1.03); }
.detail-text h3 {
  font-size: 22px; color: var(--text-dark); margin-bottom: 16px;
  position: relative; padding-bottom: 16px; font-weight: 700;
}
.detail-text h3::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 50px; height: 4px; background: var(--green-primary);
  border-radius: 2px;
}
.detail-text p {
  font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px;
}

/* ===================== PRODUCT CARD (产品中心子页) ===================== */
.product-detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
}
.product-detail-card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition); display: flex; flex-direction: column;
}
.product-detail-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-detail-img {
  height: 380px; overflow: hidden; position: relative;
}
.product-detail-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: var(--transition);
}
.product-detail-card:hover .product-detail-img img { transform: scale(1.05); }
.product-detail-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--yellow-accent); color: #fff;
  padding: 5px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
}
.product-detail-info {
  padding: 14px; flex: 1; display: flex; flex-direction: column;
}
.product-detail-info h3 {
  font-size: 18px; color: var(--text-dark); margin-bottom: 6px;
}
.product-detail-info .product-desc {
  font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 10px; flex: 1;
}
.product-detail-info .product-spec {
  font-size: 12px; color: var(--green-primary); font-weight: 600;
  margin-bottom: 10px;
  padding: 6px 10px; background: var(--green-light); border-radius: 8px;
  display: inline-block;
}
.product-detail-info .btn-primary {
  align-self: flex-start;
}

/* ===================== STAT CARDS (数据统计) ===================== */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 40px;
}
.stat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 28px 16px; text-align: center;
  box-shadow: var(--shadow-sm); border-top: 4px solid var(--green-primary);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card .stat-num {
  font-size: 40px; font-weight: 800; color: var(--green-primary);
  margin-bottom: 6px;
}
.stat-card .stat-label { font-size: 14px; color: var(--text-muted); }

/* ===================== PRODUCTS CENTER (首页) ===================== */
.products { background: #fff; }
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.product-card {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  background: var(--white);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-img {
  height: 300px; overflow: hidden; position: relative;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-tag {
  position: absolute; top: 14px; left: 14px;
  background: var(--yellow-accent); color: #fff;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.product-info { padding: 12px; }
.product-info h3 { font-size: 15px; color: var(--text-dark); margin-bottom: 5px; font-weight: 700; }
.product-info p { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.5; }
.product-footer { display: flex; justify-content: space-between; align-items: center; }
.product-price { font-size: 20px; font-weight: 700; color: var(--green-primary); }
.product-btn {
  background: var(--green-primary); color: #fff;
  padding: 7px 18px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
  border: none; cursor: pointer; transition: var(--transition);
}
.product-btn:hover { background: var(--green-dark); }

/* ===================== PLANTING BASE (首页) ===================== */
.planting-base { background: #F0F9F4; }
.base-showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  align-items: stretch;
}
.base-main-img {
  border-radius: var(--radius); overflow: hidden; min-height: 260px;
}
.base-main-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.base-main-img:hover img { transform: scale(1.03); }
.base-side {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px;
}
.base-side-img {
  border-radius: var(--radius); overflow: hidden; position: relative;
  min-height: 160px;
}
.base-side-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.base-side-img:hover img { transform: scale(1.05); }
.base-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 40px;
}
.base-desc {
  background: var(--white); border-radius: var(--radius);
  padding: 30px; margin-top: 30px; box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--green-primary);
}
.base-desc h3 { font-size: 18px; color: var(--text-dark); margin-bottom: 12px; font-weight: 700; }
.base-desc p { color: var(--text-muted); line-height: 1.85; font-size: 15px; }

/* ===================== FARM EQUIPMENT (首页 + 子页) ===================== */
.equipment { background: #fff; }
.equipment-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.equipment-card {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  background: #fff;
}
.equipment-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.equipment-img { height: 200px; overflow: hidden; }
.equipment-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.equipment-card:hover .equipment-img img { transform: scale(1.07); }
.equipment-info { padding: 22px; }
.equipment-info h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 700; }
.equipment-info p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 14px; }
.equipment-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.eq-tag {
  background: var(--green-light); color: var(--green-primary);
  padding: 4px 12px; border-radius: 15px; font-size: 12px;
}

/* Equipment detail card (子页) */
.equipment-detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
}
.equipment-detail-card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.equipment-detail-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.equipment-detail-img {
  height: 260px; overflow: hidden;
}
.equipment-detail-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: var(--transition);
}
.equipment-detail-card:hover .equipment-detail-img img { transform: scale(1.05); }
.equipment-detail-info {
  padding: 24px;
}
.equipment-detail-info h3 {
  font-size: 20px; color: var(--text-dark); margin-bottom: 12px;
}
.equipment-detail-info p {
  font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px;
}
.equipment-detail-info .advantage-tags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
}
.equipment-detail-info .advantage-tag {
  background: var(--green-light); color: var(--green-primary);
  padding: 6px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 500;
}

/* ===================== AI SMART AGRICULTURE ===================== */
.smart-agri { background: linear-gradient(135deg, #0a2a10 0%, #0F5125 100%); color: #fff; }
.smart-agri .section-title h2 { color: #fff; }
.smart-agri .section-title p { color: rgba(255,255,255,0.7); }
.smart-features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.smart-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 28px 22px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.smart-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.3);
}
.smart-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 16px;
}
.smart-card h3 { font-size: 17px; margin-bottom: 10px; font-weight: 700; }
.smart-card p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.75; }

/* AI subpage detail */
.ai-detail-section {
  padding: 80px 0;
}
.ai-detail-section:nth-child(even) {
  background: #f8faf5;
}
.ai-detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.ai-detail-card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: var(--transition); display: flex; flex-direction: column;
}
.ai-detail-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.ai-detail-card-img {
  height: 220px; overflow: hidden;
}
.ai-detail-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: var(--transition);
}
.ai-detail-card:hover .ai-detail-card-img img { transform: scale(1.05); }
.ai-detail-card-content {
  padding: 22px; flex: 1;
}
.ai-detail-card-content h3 {
  font-size: 18px; color: var(--text-dark); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.ai-detail-card-content h3 .ai-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--green-light); display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.ai-detail-card-content p {
  font-size: 14px; color: var(--text-muted); line-height: 1.7;
}

/* ===================== CTA BANNER ===================== */
.cta-banner {
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 100%);
  color: #fff; text-align: center; padding: 70px 20px;
}
.cta-banner h2 { font-size: 26px; margin-bottom: 14px; font-weight: 700; line-height: 1.5; }
.cta-banner p { font-size: 15px; opacity: 0.85; margin-bottom: 28px; line-height: 1.7; }
.cta-banner .btn-white {
  background: #fff; color: var(--green-primary);
  padding: 14px 40px; border-radius: 30px;
  font-size: 16px; font-weight: 700;
  border: none; cursor: pointer; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.cta-banner .btn-white:hover { background: #f0f0f0; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ===================== CONTACT PAGE ===================== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.contact-info-card {
  background: var(--white); border-radius: var(--radius);
  padding: 36px; box-shadow: var(--shadow-sm);
}
.contact-info-card h3 {
  font-size: 22px; color: var(--text-dark); margin-bottom: 24px;
  padding-bottom: 14px; border-bottom: 2px solid var(--green-light);
}
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 22px;
}
.contact-item .ci-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--green-light); display: flex;
  align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.contact-item .ci-text h4 {
  font-size: 14px; color: var(--text-muted); margin-bottom: 4px;
}
.contact-item .ci-text p {
  font-size: 16px; color: var(--text-dark); font-weight: 600;
}
.contact-item .ci-text a {
  color: var(--green-primary); font-weight: 600;
  transition: var(--transition);
}
.contact-item .ci-text a:hover { color: var(--green-dark); }
.contact-map {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); background: var(--green-light);
  height: 100%; min-height: 360px;
  display: flex; align-items: center; justify-content: center;
}
.contact-map img {
  width: 100%; height: 100%; object-fit: cover;
}
.cooperation-section {
  background: var(--green-light); border-radius: var(--radius);
  padding: 40px; margin-top: 40px;
}
.cooperation-section h3 {
  font-size: 22px; color: var(--text-dark); margin-bottom: 16px;
}
.cooperation-section p {
  font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px;
}
.coop-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px;
}
.coop-tag {
  background: var(--white); color: var(--green-primary);
  padding: 8px 18px; border-radius: 20px;
  font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-sm);
}

/* ===================== FOOTER ===================== */
.footer {
  background: #0a2a10; color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .footer-logo {
  font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.footer-brand p { font-size: 14px; line-height: 1.85; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.1); display: flex;
  align-items: center; justify-content: center;
  font-size: 16px; transition: var(--transition); color: #fff;
}
.footer-social a:hover { background: var(--green-primary); }
.footer-col h4 { font-size: 16px; color: #fff; margin-bottom: 18px; position: relative; font-weight: 700; }
.footer-col h4::after {
  content: ''; position: absolute; bottom: -6px; left: 0;
  width: 28px; height: 3px; background: var(--green-primary); border-radius: 2px;
}
.footer-col ul { margin-top: 14px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--yellow-accent); padding-left: 4px; }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 14px; font-size: 14px;
}
.footer-contact-item .fci-icon { color: var(--green-primary); font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0; display: flex;
  justify-content: center; align-items: center;
  font-size: 13px; text-align: center;
}
.footer-bottom a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-bottom a:hover { color: var(--yellow-accent); }

/* ===================== SCROLL TO TOP ===================== */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--green-primary); color: #fff;
  border: none; cursor: pointer; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); transition: var(--transition);
  opacity: 0; pointer-events: none; z-index: 999;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--green-dark); transform: translateY(-3px); }

/* ===================== ANIMATIONS ===================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }
.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ===================== BREADCRUMB ===================== */
.breadcrumb {
  padding: 16px 0; background: #f5f5f5; font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--green-primary); transition: var(--transition);
}
.breadcrumb a:hover { color: var(--green-dark); }
.breadcrumb span { margin: 0 8px; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .base-showcase { grid-template-columns: 1fr 1fr; }
  .base-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-block { grid-template-columns: 1fr; gap: 30px; }
  .detail-block.reverse { direction: ltr; }
  .product-detail-grid { grid-template-columns: 1fr 1fr; }
  .equipment-detail-grid { grid-template-columns: 1fr 1fr; }
  .ai-detail-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-inner { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-links.active {
    display: flex; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; padding: 20px; box-shadow: var(--shadow-md);
    gap: 4px; z-index: 999;
  }
  .nav-toggle { display: flex; }
  .hero { height: 420px; }
  .hero-slides { height: 420px; }
  .hero-slide { height: 420px; }
  .hero-content h1 { font-size: 26px; }
  .hero-content p { font-size: 14px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .equipment-grid { grid-template-columns: 1fr 1fr; }
  .smart-features { grid-template-columns: 1fr 1fr; }
  .base-showcase { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .subpage-banner { height: 300px; }
  .subpage-banner h1 { font-size: 26px; }
  .subpage-banner p { font-size: 14px; }
  .detail-block { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .equipment-detail-grid { grid-template-columns: 1fr; }
  .ai-detail-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .advantage-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .equipment-grid { grid-template-columns: 1fr; }
  .smart-features { grid-template-columns: 1fr; }
  .base-stats { grid-template-columns: 1fr 1fr; }
  .hero { height: 360px; }
  .hero-slides { height: 360px; }
  .hero-slide { height: 360px; }
  .hero-content h1 { font-size: 22px; }
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 22px; }
  .detail-section { padding: 50px 0; }
  .detail-img img { height: 260px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}