/* ===== 全局重置 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #FF6A00;
  --primary-dark: #E25A00;
  --primary-light: #FF8A3D;
  --secondary: #0D1117;
  --bg-dark: #0A0E14;
  --bg-card: #161B22;
  --bg-card-hover: #1C222C;
  --text-primary: #FFFFFF;
  --text-secondary: #8B949E;
  --text-muted: #6E7681;
  --border: #30363D;
  --green: #00C853;
  --red: #FF3D00;
  --gradient-1: linear-gradient(135deg, #FF6A00 0%, #FF8A3D 100%);
  --gradient-hero: linear-gradient(135deg, #0A0E14 0%, #161B22 50%, #1C222C 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.4);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

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

.nav-brand .brand-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: white;
}

.nav-brand .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-brand .brand-text small {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-menu a {
  padding: 10px 18px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-weight: 500;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

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

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 106, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 106, 0, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 106, 0, 0.08);
}

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

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 200, 83, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 106, 0, 0.12);
  border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 24px;
}

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

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-item .stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  margin-bottom: 4px;
}

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

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

.hero-visual-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-visual-main img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.hero-card {
  position: absolute;
  background: rgba(22, 27, 34, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 4s ease-in-out infinite;
}

.hero-card.card-1 {
  top: 10%;
  left: -30px;
  animation-delay: 0s;
}

.hero-card.card-2 {
  bottom: 15%;
  right: -20px;
  animation-delay: 2s;
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.hero-card-icon.green { background: rgba(0, 200, 83, 0.15); color: var(--green); }
.hero-card-icon.orange { background: rgba(255, 106, 0, 0.15); color: var(--primary); }

.hero-card-info strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.hero-card-info span {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== 通用 Section ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: var(--secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 106, 0, 0.1);
  color: var(--primary-light);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== 核心特性 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.3);
  background: var(--bg-card-hover);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 106, 0, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

/* ===== 服务介绍 ===== */
.services-wrap {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

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

.service-row.reverse {
  direction: rtl;
}

.service-row.reverse > * {
  direction: ltr;
}

.service-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.service-image img {
  width: 100%;
  aspect-ratio: 5/4;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

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

.service-content p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.8;
}

.service-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.service-list li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: rgba(0, 200, 83, 0.15);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ===== 行情展示 ===== */
.market-section {
  background: var(--secondary);
}

.market-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.market-table thead {
  background: rgba(255,255,255,0.03);
}

.market-table th {
  text-align: left;
  padding: 18px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.market-table td {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
}

.market-table tbody tr {
  transition: var(--transition);
}

.market-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.coin-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.coin-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.coin-icon.btc { background: linear-gradient(135deg, #F7931A, #E8820A); }
.coin-icon.eth { background: linear-gradient(135deg, #627EEA, #4A68D4); }
.coin-icon.okb { background: linear-gradient(135deg, #00C853, #00A844); }
.coin-icon.sol { background: linear-gradient(135deg, #9945FF, #14F195); }
.coin-icon.bnb { background: linear-gradient(135deg, #F3BA2F, #D8A31A); }

.coin-name strong {
  display: block;
  font-weight: 600;
}

.coin-name small {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.price-up { color: var(--green); font-weight: 600; }
.price-down { color: var(--red); font-weight: 600; }

/* ===== CTA 区域 ===== */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #1A0E00 0%, #0A0E14 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.cta p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin: 20px 0 24px;
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.footer-social a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 106, 0, 0.08);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 14px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(255, 106, 0, 0.3);
}

.faq-question {
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  text-align: left;
  background: none;
  color: var(--text-primary);
  width: 100%;
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 106, 0, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ===== 页面通用 Banner ===== */
.page-banner {
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-banner p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.breadcrumb .sep {
  color: var(--border);
}

/* ===== 关于我们 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

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

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

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

.value-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 0, 0.3);
}

.value-card .value-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.value-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 0, 0.3);
}

.team-card img {
  aspect-ratio: 1;
  object-fit: cover;
}

.team-info {
  padding: 20px;
  text-align: center;
}

.team-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.team-info span {
  font-size: 0.85rem;
  color: var(--primary-light);
}

/* ===== 产品页面 ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.product-info {
  padding: 28px;
}

.product-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-info p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-features span {
  padding: 4px 12px;
  background: rgba(255, 106, 0, 0.1);
  color: var(--primary-light);
  border-radius: 100px;
  font-size: 0.78rem;
}

/* ===== 新闻列表 ===== */
.news-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 0, 0.3);
}

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

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.news-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.news-meta .cat {
  color: var(--primary-light);
  font-weight: 500;
}

.news-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.5;
  transition: var(--transition);
}

.news-card:hover h3 {
  color: var(--primary);
}

.news-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  flex: 1;
}

.news-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.news-pagination a {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.news-pagination a:hover,
.news-pagination a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== 新闻详情 ===== */
.news-detail-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.news-article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.news-article-header {
  padding: 40px 40px 0;
}

.news-article .news-meta {
  margin-bottom: 16px;
}

.news-article h2 {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}

.news-article-cover {
  margin: 0 40px 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.news-article-body {
  padding: 0 40px 40px;
}

.news-article-body p {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 20px;
  font-size: 1rem;
}

.news-article-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 32px 0 16px;
}

.news-article-body ul {
  padding-left: 24px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.news-article-body li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-widget ul {
  list-style: none;
}

.sidebar-widget li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}

.sidebar-widget li:last-child {
  border-bottom: none;
}

.sidebar-widget a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
  display: block;
}

.sidebar-widget a:hover {
  color: var(--primary);
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: rgba(255, 106, 0, 0.3);
}

.contact-info-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info-card h3::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--gradient-1);
  border-radius: 2px;
}

.contact-info-card p,
.contact-info-card li {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

.contact-info-card ul {
  list-style: none;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 106, 0, 0.03);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ===== 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 fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-1);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-grid,
  .service-row,
  .about-intro,
  .contact-grid,
  .news-detail-wrap {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

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

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

  .hero-card.card-1 { left: 10px; }
  .hero-card.card-2 { right: 10px; }

  .news-article-header,
  .news-article-body { padding-left: 24px; padding-right: 24px; }
  .news-article-cover { margin-left: 24px; margin-right: 24px; }
}

@media (max-width: 768px) {
  .nav-menu,
  .nav-cta .btn-outline {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.open a {
    padding: 14px 20px;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-item .stat-num {
    font-size: 1.4rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .features-grid,
  .products-grid,
  .news-list-grid,
  .values-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

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

  .cta h2 {
    font-size: 1.8rem;
  }

  .page-banner {
    padding: 120px 0 60px;
  }

  .page-banner h1 {
    font-size: 2.2rem;
  }

  .hero-card {
    display: none;
  }

  .market-table th,
  .market-table td {
    padding: 14px 16px;
    font-size: 0.85rem;
  }

  .contact-form-wrap,
  .contact-info-card {
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .btn-lg {
    padding: 14px 28px;
  }
}