/* ===== OKB交易所 全局样式表 ===== */

/* CSS Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables */
:root {
  --color-primary: #1e40af;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1e3a8a;
  --color-accent: #8b5cf6;
  --color-accent-light: #a78bfa;
  --color-bg-dark: #0a0e1a;
  --color-bg-card: #111827;
  --color-bg-section: #0f172a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-border: #1e293b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-dark: linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container-max: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

a:hover {
  color: var(--color-accent-light);
}

ul, ol {
  list-style: none;
}

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

/* ===== Header & Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-md);
}

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

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

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
  box-shadow: var(--shadow-glow);
}

.brand-text {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text-primary);
  background: rgba(59, 130, 246, 0.15);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--gradient-secondary);
  border-radius: 2px;
}

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

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
  color: white;
}

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

.btn-outline:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text-primary);
  background: rgba(59, 130, 246, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
}

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

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

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

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

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

/* ===== Hero Section ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  background: var(--gradient-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-primary-light);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 520px;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat-item {
  text-align: left;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.hero-visual {
  animation: fadeInRight 0.8s ease-out;
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
  top: -20px;
  left: -40px;
  animation-delay: 0s;
}

.floating-card.card-2 {
  bottom: -30px;
  right: -30px;
  animation-delay: 2s;
}

.floating-card-title {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.floating-card-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-success);
}

/* ===== Section General ===== */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.section-title .highlight {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ===== Features Section ===== */
.features {
  background: var(--color-bg-section);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  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-primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: var(--color-primary-light);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* ===== Services Section ===== */
.services {
  background: var(--color-bg-dark);
}

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

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

.services-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.services-text h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.25;
}

.services-text > p {
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.service-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.service-item:hover {
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateX(8px);
}

.service-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: white;
}

.service-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ===== Products Section ===== */
.products {
  background: var(--color-bg-section);
}

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

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-md);
}

.product-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== Stats Section ===== */
.stats-banner {
  background: var(--gradient-primary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-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");
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stats-item h3 {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 8px;
}

.stats-item p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== Why Choose Us ===== */
.why-us {
  background: var(--color-bg-dark);
}

.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-us-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.why-us-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.why-us-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.why-us-badge:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
}

.badge-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.why-us-badge h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.why-us-badge p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.why-us-text h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 24px;
}

.why-us-text p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* ===== FAQ Section ===== */
.faq {
  background: var(--color-bg-section);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.faq-question .icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 16px;
  transition: var(--transition);
  font-size: 1rem;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.3s;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px;
}

.faq-answer p {
  color: var(--color-text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta {
  background: var(--color-bg-dark);
}

.cta-box {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-box h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-box p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  position: relative;
  z-index: 1;
}

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost-white {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.25);
  color: white;
}

/* ===== Footer ===== */
.site-footer {
  background: #050810;
  padding: 80px 0 32px;
  border-top: 1px solid var(--color-border);
}

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

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 320px;
}

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

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

.footer-social a:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.footer-col ul a:hover {
  color: var(--color-primary-light);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

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

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

/* ===== Page Banner ===== */
.page-banner {
  padding: 180px 0 80px;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.page-banner p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  position: relative;
  z-index: 1;
}

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

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

.breadcrumb .separator {
  margin: 0 8px;
}

/* ===== News Grid ===== */
.news {
  background: var(--color-bg-section);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.3);
}

.news-image {
  height: 200px;
  overflow: hidden;
}

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

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

.news-body {
  padding: 24px;
}

.news-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.news-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary-light);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.news-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

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

.news-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--color-primary-light);
  font-weight: 600;
}

.news-read-more:hover {
  gap: 12px;
}

/* ===== News Detail ===== */
.news-detail-content {
  padding: 80px 0;
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 40px;
}

.article-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary-light);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  gap: 24px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-featured-image {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
}

.article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.article-body p {
  margin-bottom: 24px;
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 40px 0 20px;
  color: var(--color-text-primary);
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--color-text-primary);
}

.article-body ul,
.article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 12px;
  list-style-type: disc;
  color: var(--color-text-secondary);
}

/* ===== About Page ===== */
.about-section {
  background: var(--color-bg-dark);
  padding: 100px 0;
}

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

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-text h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 24px;
}

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

.mission-section {
  background: var(--color-bg-section);
  padding: 100px 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.mission-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
}

.mission-card:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.3);
}

.mission-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.mission-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.team-section {
  background: var(--color-bg-dark);
}

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

.team-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-photo {
  height: 280px;
  overflow: hidden;
}

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

.team-info {
  padding: 20px;
}

.team-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

/* ===== Contact Page ===== */
.contact-section {
  background: var(--color-bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 20px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateX(8px);
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary-light);
}

.contact-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

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

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  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(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== Products Detail ===== */
.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

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

.product-detail-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-detail-image {
  height: 260px;
  overflow: hidden;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-body {
  padding: 32px;
}

.product-detail-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-detail-body > p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.product-features-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.product-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.product-features-list li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

/* ===== Animations ===== */
@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-out, transform 0.8s ease-out;
}

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

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.75rem;
  }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-image {
    height: 400px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-content,
  .why-us-grid,
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .why-us-image img,
  .about-image img {
    height: 400px;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  .mission-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 60px 40px;
  }
  .cta-box h2 {
    font-size: 2rem;
  }
  .floating-card.card-1 {
    left: 0;
  }
  .floating-card.card-2 {
    right: 0;
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .site-header {
    height: 64px;
  }
  .site-header .container {
    height: 64px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    transform: translateY(-120%);
    transition: transform 0.3s ease-out;
    border-bottom: 1px solid var(--color-border);
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 14px;
  }
  .nav-actions {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero {
    padding: 120px 0 60px;
  }
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .floating-card.card-1,
  .floating-card.card-2 {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-item h3 {
    font-size: 2.25rem;
  }
  .why-us-badges {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 50px 24px;
  }
  .cta-box h2 {
    font-size: 1.75rem;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .page-banner {
    padding: 140px 0 60px;
  }
  .page-banner h1 {
    font-size: 2.25rem;
  }
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-header h1 {
    font-size: 1.75rem;
  }
  .article-featured-image {
    height: 240px;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.85rem;
  }
}

/* ===== Loading Animation ===== */
.loader {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.loader::after {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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