/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #00a8ff;
  --secondary-color: #9c88ff;
  --accent-color: #ff9f43;
  --dark-color: #0a0e17;
  --light-color: #f5f6fa;
  --text-color: #333333;
  --text-light: #777777;
  --background-color: #f9fafb;
  --background-gradient: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  --gradient-primary: linear-gradient(135deg, #00a8ff, #9c88ff);
  --gradient-dark: linear-gradient(135deg, #0a0e17, #1a1a2e);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  /* 为导航栏留出空间 */
}

/* 平滑滚动惯性效果 */
* {
  scroll-behavior: smooth;
}

/* 滚动时隐藏滚动条，但保留功能 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 168, 255, 0.1);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0097e6;
}

body {
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%),
    radial-gradient(
      circle at 10% 20%,
      rgba(0, 168, 255, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(156, 136, 255, 0.03) 0%,
      transparent 50%
    );
  overflow-x: hidden;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 视频背景样式 */
.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.video-background video {
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.5;
  filter: brightness(0.8);
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(248, 249, 250, 0.2) 100%
  );
  z-index: 1;
}

.video-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.video-fallback img {
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.5;
  filter: brightness(0.8);
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(15px);
  z-index: 1000;
  padding: 15px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: white;
  font-family: "Orbitron", sans-serif;
}

.logo i {
  font-size: 28px;
  color: var(--primary-color);
  margin-right: 10px;
}

.logo-img {
  height: 40px;
  margin-right: 10px;
}
.logo-img1 {
  height: 80px;
  margin-right: 10px;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 5px;
}

.logo-subtext {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 15px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a i {
  font-size: 18px;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(0, 168, 255, 0.1);
  color: var(--primary-color);
}

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

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: "Roboto", sans-serif;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: #e38f3f;
  color: #434343;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

.btn-large {
  padding: 18px 40px;
  font-size: 18px;
}

/* 联系区域按钮特殊样式 */
.contact-cta .btn-primary.btn-large {
  background: white;
  color: var(--primary-color);
  border: 2px solid white;
  font-weight: 600;
  letter-spacing: 1px;
  box-shadow: 0 10px 30px rgba(0, 168, 255, 0.4);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-cta .btn-primary.btn-large:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 40px rgba(0, 168, 255, 0.6);
}

.contact-cta .btn-primary.btn-large::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.6s ease;
}

.contact-cta .btn-primary.btn-large:hover::before {
  left: 100%;
}

/* 装饰性元素样式 */
.cta-decorations {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.decoration-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.3s;
}

.decoration-icon i {
  font-size: 36px;
  margin-bottom: 10px;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.decoration-icon:hover i {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

.decoration-icon span {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
}

.btn i {
  font-size: 18px;
}

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

/* 英雄区域样式 */
.hero {
  padding: 180px 0 120px;
  color: white;
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 0 0 30px 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin-bottom: 80px;
}

.hero-title {
  font-family: "Orbitron", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 30px;
  line-height: 1.2;
}

.tech-text {
  display: block;
  background: linear-gradient(45deg, #00a8ff, #ff9f43);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 168, 255, 0.3);
}

.highlight {
  display: block;
  color: white;
  text-shadow: 0 0 20px rgba(0, 168, 255, 0.5);
}

.hero-description {
  font-size: 1.2rem;
  color: white;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.stat-item {
  background: white;
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.stat-item:hover {
  transform: translateY(-10px) scale(1.05);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-hover);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-number {
  font-family: "Orbitron", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
  text-shadow: 0 0 20px rgba(0, 168, 255, 0.5);
}

.stat-label {
  font-size: 1rem;
  color: #4b4b4b;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* 区域标题样式 */
.section-header {
  padding-top: 60px;
  text-align: center;
}

.section-title {
  font-family: "Orbitron", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 15px;
  transform: translateY(0);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-subtitle {
  padding-bottom: 30px;
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* 特色产品区域 */
.featured-products {
  padding: 10px 0 100px 0;
  background: rgba(255, 255, 255, 0.9);
  position: relative;
  border-radius: 30px;
  margin: 30px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  transform: translateY(0);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.product-card {
  background: white;
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.product-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-hover);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-image {
  height: 200px;
  width: 100%;
  overflow: hidden;
  position: relative;
}

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

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-category {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--primary-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.product-content {
  padding: 25px;
}

.product-title {
  font-size: 1.3rem;
  color: var(--text-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.product-description {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
  height: 80px;
  overflow: hidden;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}

.product-actions {
  display: flex;
  gap: 10px;
}

/* 技术优势区域 */
.tech-advantages {
  padding: 10px 0 100px 0;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 30px;
  margin: 30px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  transform: translateY(0);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.advantage-card {
  background: white;
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px 25px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.advantage-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary-color);
  background: rgba(0, 168, 255, 0.1);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantage-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.advantage-icon i {
  font-size: 36px;
  color: white;
}

.advantage-card h3 {
  color: var(--text-color);
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.advantage-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* 最新文章区域 */
.latest-articles {
  padding: 10px 0 100px 0;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 30px;
  margin: 30px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  transform: translateY(0);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  padding-bottom: 50px;
}

.article-card {
  background: white;
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.article-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
}

.article-image {
  height: 200px;
  width: 100%;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .article-image img {
  transform: scale(1.1);
}

.article-content {
  padding: 25px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--text-light);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.article-title {
  font-size: 1.2rem;
  color: var(--text-color);
  margin-bottom: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.article-excerpt {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
  height: 80px;
  overflow: hidden;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}

/* 联系CTA区域 */
.contact-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, #00a8ff 0%, #0097e6 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  margin: 10px 0 5px;
  box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2);
  transform: translateY(0);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 250px;
  display: flex;
  align-items: center;
}

.contact-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="none" stroke="rgba(0,168,255,0.1)" stroke-width="1"/></svg>')
    repeat;
  opacity: 0.3;
}

.contact-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.contact-content h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 3rem;
  color: white;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.contact-content h2::before,
.contact-content h2::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 60px;
  height: 2px;
  background: rgba(255, 255, 255, 0.5);
  transform: translateY(-50%);
}

.contact-content h2::before {
  right: 100%;
  margin-right: 20px;
}

.contact-content h2::after {
  left: 100%;
  margin-left: 20px;
}

.contact-content p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* 添加装饰性无人机图标 */
.contact-cta::after {
  content: "\f181";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 100px;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0.3;
  animation: floatDrone 15s ease-in-out infinite;
}

@keyframes floatDrone {
  0%,
  100% {
    transform: translate(-50%, -50%) translateY(0) rotate(0deg);
  }

  25% {
    transform: translate(-50%, -50%) translateY(-20px) translateX(10px)
      rotate(5deg);
  }

  50% {
    transform: translate(-50%, -50%) translateY(0) translateX(20px) rotate(0deg);
  }

  75% {
    transform: translate(-50%, -50%) translateY(20px) translateX(10px)
      rotate(-5deg);
  }
}

/* 添加浮动粒子效果 */
.contact-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M0,0 L100,0 L100,100 L0,100 Z" fill="none" stroke="rgba(0,168,255,0.1)" stroke-width="1"/></svg>')
    repeat;
  opacity: 0.3;
  animation: floatGrid 20s linear infinite;
}

@keyframes floatGrid {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 100px 100px;
  }
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 10000;
  backdrop-filter: blur(10px);
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00a8ff, #0097e6, #00a8ff);
  background-size: 200% 100%;
  animation: progressGradient 3s ease-in-out infinite;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0 2px 2px 0;
}

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

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* 页脚样式 */
.footer {
  background: #2c3e50;
  padding: 30px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 25px;
  font-weight: 600;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: "Orbitron", sans-serif;
}

.footer-logo i {
  color: var(--primary-color);
  font-size: 28px;
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 25px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact i {
  color: var(--primary-color);
  margin-top: 3px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .navbar .container {
    padding: 0 15px;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 40px;
    transition: var(--transition);
    gap: 20px;
  }

  .nav-menu.active {
    left: 0;
  }

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

  .hero {
    padding: 150px 0 80px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

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

  .stat-number {
    font-size: 2.5rem;
  }

  .contact-content h2 {
    font-size: 2.2rem;
  }

  .btn-large {
    padding: 16px 30px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .advantages-grid,
  .products-grid,
  .articles-grid {
    grid-template-columns: 1fr;
  }

  /* 联系区域响应式调整 */
  .contact-cta {
    padding: 40px 0;
    min-height: 200px;
  }

  .contact-content h2 {
    font-size: 2rem;
  }

  .contact-content h2::before,
  .contact-content h2::after {
    width: 30px;
  }

  .contact-content h2::before {
    margin-right: 10px;
  }

  .contact-content h2::after {
    margin-left: 10px;
  }

  .contact-content p {
    font-size: 1rem;
    padding: 0 10px;
  }

  .cta-decorations {
    gap: 10px;
    margin-top: 20px;
  }

  .decoration-icon i {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  .decoration-icon span {
    font-size: 12px;
  }

  .btn-large {
    padding: 14px 30px;
    font-size: 16px;
  }
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 丝滑滚动动画 */
@keyframes fadeInUpSmooth {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    filter: blur(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes slideInLeftSmooth {
  from {
    opacity: 0;
    transform: translateX(-60px) rotate(-5deg);
    filter: blur(5px);
  }

  to {
    opacity: 1;
    transform: translateX(0) rotate(0);
    filter: blur(0);
  }
}

@keyframes slideInRightSmooth {
  from {
    opacity: 0;
    transform: translateX(60px) rotate(5deg);
    filter: blur(5px);
  }

  to {
    opacity: 1;
    transform: translateX(0) rotate(0);
    filter: blur(0);
  }
}

@keyframes scaleInSmooth {
  from {
    opacity: 0;
    transform: scale(0.8);
    filter: blur(5px);
  }

  to {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes floatInSmooth {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    filter: blur(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 168, 255, 0.7);
  }

  70% {
    box-shadow: 0 0 0 20px rgba(0, 168, 255, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 168, 255, 0);
  }
}

/* 基础动画类 */
.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* 丝滑滚动动画类 */
/* 移除初始的opacity和transform，让section默认可见 */
.smooth-section {
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.smooth-section.animated {
  /* 动画状态 - 保留类用于JavaScript控制 */
}

.smooth-fade-in-up {
  opacity: 1;
  /* 改为可见 */
  animation: fadeInUpSmooth 0.8s ease-out forwards;
  animation-play-state: running;
  /* 改为立即运行 */
}

.smooth-slide-left {
  opacity: 1;
  /* 改为可见 */
  animation: slideInLeftSmooth 0.8s ease-out forwards;
  animation-play-state: running;
  /* 改为立即运行 */
}

.smooth-slide-right {
  opacity: 1;
  /* 改为可见 */
  animation: slideInRightSmooth 0.8s ease-out forwards;
  animation-play-state: running;
  /* 改为立即运行 */
}

.smooth-scale-in {
  opacity: 1;
  /* 改为可见 */
  animation: scaleInSmooth 0.8s ease-out forwards;
  animation-play-state: running;
  /* 改为立即运行 */
}

.smooth-float-in {
  opacity: 1;
  /* 改为可见 */
  animation: floatInSmooth 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-play-state: running;
  /* 改为立即运行 */
}

.smooth-delay-1 {
  animation-delay: 0.1s;
}

.smooth-delay-2 {
  animation-delay: 0.2s;
}

.smooth-delay-3 {
  animation-delay: 0.3s;
}

.smooth-delay-4 {
  animation-delay: 0.4s;
}

.smooth-delay-5 {
  animation-delay: 0.5s;
}

.pulse {
  animation: pulse 2s infinite;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

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

/* 动画性能优化 */
.smooth-section,
.smooth-fade-in-up,
.smooth-slide-left,
.smooth-slide-right,
.smooth-scale-in,
.smooth-float-in {
  will-change: transform, opacity, filter;
}

/* 确保动画元素不会影响布局 */
.parallax-element {
  will-change: transform;
}

/* 优化滚动性能 */
.scroll-progress {
  will-change: transform;
}