/* ===================================
   追梦优品官网 - 现代化高级样式
   =================================== */

/* 重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: #1a1a2e;
  line-height: 1.7;
  background: #fafafa;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }

/* 颜色变量 - 与CRMEB系统主题统一 */
:root {
  /* 主题色 - CRMEB系统标准 */
  --view-theme: #e93323;
  --view-priceColor: #ff3c2b;
  --view-fontColor: #333;
  
  /* 兼容变量 */
  --primary: var(--view-theme);
  --primary-dark: #c41e12;
  --primary-light: #ff6b5a;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --text-dark: var(--view-fontColor);
  --text-body: #666;
  --text-light: #999;
  --border: #eee;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

/* 通用容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 通用模块间距 */
.section { padding: 100px 0; }
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 16px auto 0;
  border-radius: 2px;
}
.section-title p {
  color: var(--text-light);
  font-size: 16px;
  margin-top: 12px;
}

/* 按钮通用样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(233, 102, 35, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(233, 102, 35, 0.4);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===================================
   导航栏
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.nav {
  display: flex;
  gap: 40px;
}
.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 0;
  position: relative;
}
.nav a:hover,
.nav a.active {
  color: var(--primary);
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

/* 移动端菜单按钮 */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background 0.3s;
}
.menu-btn:hover { background: var(--bg-light); }
.menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  transition: 0.3s;
  border-radius: 2px;
}

/* ===================================
   Banner轮播图
   =================================== */
.banner {
  margin-top: 72px;
  position: relative;
  height: 600px;
  overflow: hidden;
  background: #1a1a1a;
}
.banner-slider {
  position: relative;
  width: 100%;
  height: 100%;
}
.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  opacity: 0;
  transition: opacity 0.8s ease;
  padding: 40px 20px;
  background-size: cover;
  background-position: center;
}
.banner-slide.active {
  opacity: 1;
  z-index: 1;
}
.banner-slide:nth-child(1) {
  background: linear-gradient(135deg, #e93323 0%, #ff6b5a 50%, #f59e0b 100%);
}
.banner-slide:nth-child(2) {
  background: linear-gradient(135deg, #f59e0b 0%, #ff6b5a 50%, #e93323 100%);
}
.banner-slide:nth-child(3) {
  background: linear-gradient(135deg, #c41e12 0%, #e93323 50%, #ff6b5a 100%);
}
.banner-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
}
.banner-slide[style*="background-image"]::before {
  background: rgba(0, 0, 0, 0.4);
}
.banner-slide-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
}
.banner-slide h2 {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -1px;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.banner-slide p {
  font-size: 20px;
  opacity: 0.95;
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.8;
  margin-left: auto;
  margin-right: auto;
}
.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 2;
}
.banner-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.3s;
  border: 2px solid transparent;
}
.banner-dot.active {
  background: #fff;
  transform: scale(1.2);
  border-color: rgba(255,255,255,0.8);
}
.banner-dot:hover {
  background: rgba(255,255,255,0.8);
}
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 2;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}
.banner-arrow:hover {
  background: rgba(255,255,255,0.4);
}
.banner-arrow-left { left: 20px; }
.banner-arrow-right { right: 20px; }

/* ===================================
   公司简介
   =================================== */
.about-section { background: var(--bg-white); }
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}
.about-text p {
  color: var(--text-body);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-img {
  background: linear-gradient(135deg, #fff5f5 0%, #ffe8e6 100%);
  height: 400px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
}

/* ===================================
   产品卡片
   =================================== */
.products-section { 
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.product-img {
  height: 240px;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
  position: relative;
  overflow: hidden;
}
.product-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.02) 100%);
}
.product-info { padding: 24px; }
.product-info h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.product-info p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.product-btn {
  display: block;
  text-align: center;
  padding: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}
.product-btn:hover {
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ===================================
   公司优势
   =================================== */
.advantages-section { background: var(--bg-white); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.adv-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}
.adv-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.adv-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.25);
}
.adv-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.adv-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===================================
   产品中心页
   =================================== */
.page-banner {
  margin-top: 72px;
  background: linear-gradient(135deg, #e93323 0%, #ff6b5a 50%, #f59e0b 100%);
  padding: 100px 20px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 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' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-banner h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -0.5px;
}
.page-banner p {
  font-size: 17px;
  opacity: 0.95;
  position: relative;
}

/* 面包屑 */
.breadcrumb {
  padding: 16px 0;
  background: var(--bg-light);
  font-size: 14px;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }

/* 产品筛选 */
.product-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 24px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--bg-white);
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 500;
}
.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* ===================================
   关于我们页
   =================================== */
.about-detail { background: var(--bg-white); }
.about-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}
.about-detail-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--primary);
  display: inline-block;
}
.about-detail-text p {
  color: var(--text-body);
  margin-bottom: 16px;
  line-height: 1.9;
}

/* 时间轴 */
.timeline {
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  margin-bottom: 50px;
  position: relative;
}
.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}
.timeline-content {
  width: 45%;
  padding: 24px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.timeline-content:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.timeline-content h4 {
  color: var(--primary);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.timeline-content p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
}
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--bg-white);
  box-shadow: 0 0 0 3px var(--primary);
}

/* 企业文化 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.culture-card {
  text-align: center;
  padding: 40px 30px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}
.culture-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.culture-card h4 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.culture-card p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

/* ===================================
   联系我们页
   =================================== */
.contact-section { background: var(--bg-white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info { padding: 20px 0; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 35px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}
.contact-item:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
}
.contact-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}
.contact-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.contact-item p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.6;
}

/* 二维码 */
.qr-box {
  text-align: center;
  margin-top: 35px;
  padding: 24px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
}
.qr-box h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.qr-img {
  width: 180px;
  height: 180px;
  background: var(--bg-white);
  margin: 0 auto;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 13px;
  box-shadow: var(--shadow-sm);
}

/* 留言表单 */
.contact-form {
  background: var(--bg-light);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all 0.3s ease;
  background: var(--bg-white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--view-theme);
  box-shadow: 0 0 0 3px rgba(233,51,35,0.1);
}
.form-group textarea {
  height: 130px;
  resize: vertical;
}
.form-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}
.form-submit:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

/* ===================================
   底部
   =================================== */
.footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #fff;
  padding: 60px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}
.footer h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}
.footer p, .footer a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 2;
}
.footer a:hover { color: var(--primary-light); }
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===================================
   小程序弹窗
   =================================== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}
.modal.show { display: flex; }
.modal-content {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 40px 30px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease;
}
.modal-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.modal-content p {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 24px;
  line-height: 1.7;
}
.modal-qr {
  width: 220px;
  height: 220px;
  background: var(--bg-light);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  border-radius: var(--radius-md);
  font-size: 13px;
  border: 1px solid var(--border);
}
.modal-close {
  padding: 12px 36px;
  background: linear-gradient(135deg, var(--view-theme), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}
.modal-close:hover {
  box-shadow: 0 6px 20px rgba(233,51,35,0.3);
  transform: translateY(-2px);
}

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

/* 滚动动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   响应式
   =================================== */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
  }
  .nav.show { display: flex; }
  .nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--bg-light);
  }
  .menu-btn { display: flex; }
  
  .banner { height: 450px; margin-top: 64px; }
  .banner-slide { padding: 30px 20px; }
  .banner-slide h2 { font-size: 28px; }
  .banner-slide p { font-size: 14px; }
  .banner-arrow { width: 40px; height: 40px; font-size: 16px; }
  .banner-arrow-left { left: 10px; }
  .banner-arrow-right { right: 10px; }
  
  .section { padding: 70px 0; }
  .section-title { margin-bottom: 40px; }
  .section-title h2 { font-size: 28px; }
  
  .about-content { grid-template-columns: 1fr; gap: 40px; }
  .about-img { height: 280px; }
  
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  
  .contact-grid { grid-template-columns: 1fr; }
  
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: left;
    padding-left: 50px;
  }
  .timeline-content { width: 100%; }
  .timeline-dot { left: 20px; }
  
  .culture-grid { grid-template-columns: 1fr; }
  .about-detail-content { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .banner { height: 350px; }
  .banner-slide h2 { font-size: 22px; }
  .banner-slide p { font-size: 13px; margin-bottom: 20px; }
  .banner-arrow { display: none; }
  .banner-dot { width: 10px; height: 10px; }
  .product-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 30px; }
  .page-banner { padding: 60px 20px; }
  .section-title h2 { font-size: 24px; }
  .contact-form { padding: 24px; }
}