/* ===== 大门交易所 Gate 官网 全局样式 ===== */
:root {
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --secondary: #1a1a2e;
  --accent: #ff6b35;
  --bg-dark: #0f0f1a;
  --bg-card: #16213e;
  --text-white: #ffffff;
  --text-gray: #a0a0b0;
  --text-light: #c8c8d8;
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  --gradient-dark: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
  --shadow-card: 0 10px 40px rgba(0, 212, 255, 0.1);
  --shadow-hover: 0 20px 60px rgba(0, 212, 255, 0.25);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== 导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 35px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  padding: 8px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

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

.nav-cta {
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid rgba(0, 212, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero区域 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 30px 80px;
  overflow: hidden;
  background: radial-gradient(ellipse at top, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at bottom right, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
              var(--bg-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-content {
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  animation: fadeInUp 1s ease forwards;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 30px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #ffffff 0%, #00d4ff 50%, #ffffff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shine 3s linear infinite;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-gray);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.hero-stat {
  text-align: center;
  padding: 20px;
  background: rgba(22, 33, 62, 0.5);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.hero-visual {
  position: relative;
  animation: fadeInRight 1s ease forwards;
}

.hero-image-main {
  width: 100%;
  max-width: 500px;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.hero-float-card {
  position: absolute;
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.hero-float-card.card-1 {
  top: 10%;
  left: -30px;
  animation: float 6s ease-in-out infinite;
}

.hero-float-card.card-2 {
  bottom: 10%;
  right: -30px;
  animation: float 6s ease-in-out infinite reverse;
}

.float-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.float-label {
  font-size: 0.75rem;
  color: var(--text-gray);
}

.float-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

/* ===== 通用Section ===== */
.section {
  padding: 100px 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-gray);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== 核心特性 ===== */
.features {
  background: var(--bg-secondary);
  padding: 100px 30px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 255, 0.3);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  font-size: 2rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== 服务介绍 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 80px;
}

.services-grid.reverse {
  direction: rtl;
}

.services-grid.reverse > * {
  direction: ltr;
}

.services-content h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.services-content p {
  color: var(--text-gray);
  margin-bottom: 25px;
  line-height: 1.8;
}

.services-list {
  margin-bottom: 30px;
}

.services-list li {
  padding: 10px 0;
  padding-left: 30px;
  position: relative;
  color: var(--text-light);
}

.services-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

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

.services-image img {
  width: 100%;
  transition: transform 0.5s ease;
}

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

/* ===== 数据统计 ===== */
.stats-section {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
  padding: 80px 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.stat-item {
  padding: 30px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 10px;
}

.stat-label {
  color: var(--text-gray);
  font-size: 1rem;
}

/* ===== 产品展示 ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  height: 200px;
  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(1.1);
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.product-info p {
  color: var(--text-gray);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== CTA区域 ===== */
.cta-section {
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #0066aa 100%);
  padding: 80px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--bg-dark);
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(15, 15, 26, 0.8);
  margin-bottom: 40px;
}

.cta-section .btn-primary {
  background: var(--bg-dark);
  color: var(--text-white);
}

.cta-section .btn-primary:hover {
  background: #1a1a2e;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(0, 212, 255, 0.3);
}

.faq-question {
  width: 100%;
  padding: 25px 30px;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 30px 25px;
  color: var(--text-gray);
  line-height: 1.8;
}

/* ===== 页脚 ===== */
.footer {
  background: #0a0a12;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  padding: 80px 30px 30px;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand .nav-logo {
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 25px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

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

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--text-white);
}

.footer-col ul li {
  margin-bottom: 15px;
}

.footer-col ul li a {
  color: var(--text-gray);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  color: var(--text-gray);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 25px;
}

.footer-bottom-links a {
  color: var(--text-gray);
  font-size: 0.85rem;
}

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

/* ===== 内部页面Banner ===== */
.page-banner {
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #00d4ff22 100%);
  padding: 150px 30px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

.page-banner-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-banner p {
  font-size: 1.1rem;
  color: var(--text-gray);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--primary);
}

.breadcrumb span {
  color: var(--text-gray);
}

/* ===== 关于我们页面 ===== */
.about-intro {
  padding: 80px 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.2rem;
  margin-bottom: 25px;
  font-weight: 700;
}

.about-text p {
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 20px;
}

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

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.value-card {
  background: var(--bg-card);
  padding: 35px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 212, 255, 0.1);
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 212, 255, 0.3);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

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

.team-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.team-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 30px auto 20px;
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card h3 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.team-role {
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* ===== 联系我们页面 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-info {
  padding: 40px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 5px;
}

.contact-item p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

.contact-form {
  padding: 40px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(15, 15, 26, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  color: var(--text-white);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

/* ===== 新闻列表页面 ===== */
.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.news-image {
  height: 220px;
  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(1.08);
}

.news-content {
  padding: 25px;
}

.news-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 0.8rem;
  color: var(--text-gray);
}

.news-tag {
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 50px;
}

.news-content h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.news-content p {
  color: var(--text-gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 15px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
}

.news-read-more::after {
  content: '→';
  transition: transform 0.3s ease;
}

.news-card:hover .news-read-more::after {
  transform: translateX(5px);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 60px;
}

.pagination a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 8px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
  background: var(--primary);
  color: var(--bg-dark);
  border-color: var(--primary);
}

/* ===== 新闻详情页面 ===== */
.news-detail {
  max-width: 900px;
  margin: 0 auto;
}

.article-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  color: var(--text-gray);
  font-size: 0.9rem;
}

.article-featured-image {
  width: 100%;
  border-radius: var(--border-radius);
  margin-bottom: 40px;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-light);
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 20px;
  color: var(--text-white);
}

.article-content h3 {
  font-size: 1.25rem;
  margin: 30px 0 15px;
  color: var(--text-white);
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul {
  margin: 20px 0;
  padding-left: 20px;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: 10px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 20px 30px;
  margin: 30px 0;
  background: rgba(0, 212, 255, 0.05);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--text-light);
}

.article-tags {
  display: flex;
  gap: 10px;
  margin-top: 50px;
  flex-wrap: wrap;
}

.article-tags a {
  padding: 6px 15px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-gray);
}

.article-tags a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

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

.back-to-top:hover {
  transform: translateY(-5px);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

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

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-visual {
    order: -1;
    text-align: center;
  }
  
  .hero-image-main {
    max-width: 400px;
  }
  
  .services-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .services-grid.reverse {
    direction: ltr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 0 20px;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
  
  .hero {
    padding: 100px 20px 60px;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 70px 20px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .page-banner {
    padding: 120px 20px 60px;
  }
  
  .page-banner h1 {
    font-size: 2.2rem;
  }
  
  .features-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-float-card.card-1 {
    left: 0;
  }
  
  .hero-float-card.card-2 {
    right: 0;
  }
  
  .cta-section h2 {
    font-size: 1.8rem;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .btn {
    padding: 10px 22px;
    font-size: 0.9rem;
  }
  
  .news-list {
    grid-template-columns: 1fr;
  }
  
  .contact-info,
  .contact-form {
    padding: 25px;
  }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.3);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 212, 255, 0.5);
}

/* ===== 选中文字样式 ===== */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--text-white);
}

/* ===== 加载骨架屏 ===== */
.skeleton {
  background: linear-gradient(90deg, #1a1a2e 25%, #222240 50%, #1a1a2e 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}