/* ==========================================================================
   安币交易所官方 - 全局样式表
   主题：专业金融科技 · 深色调 · 安全信任感
   ========================================================================== */

/* --- CSS Reset --- */
*,
*::before,
*::after {
  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', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #E0E6ED;
  background-color: #0B0F19;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

ul, ol {
  list-style: none;
}

/* --- CSS Variables --- */
:root {
  --color-primary: #00D4FF;
  --color-primary-dark: #0099CC;
  --color-secondary: #7B61FF;
  --color-accent: #00FFA3;
  --color-warning: #FFB800;
  --color-danger: #FF4757;
  --color-success: #00D26A;
  --color-bg: #0B0F19;
  --color-bg-secondary: #121829;
  --color-bg-card: #1A2035;
  --color-bg-card-hover: #232B45;
  --color-text: #E0E6ED;
  --color-text-secondary: #8892A6;
  --color-text-muted: #5A6478;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(0, 212, 255, 0.3);
  --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #7B61FF 100%);
  --gradient-accent: linear-gradient(135deg, #00FFA3 0%, #00D4FF 100%);
  --gradient-dark: linear-gradient(180deg, #0B0F19 0%, #121829 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
}

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

.container-fluid {
  width: 100%;
  padding: 0 48px;
}

/* --- Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 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(11, 15, 25, 0.95);
  box-shadow: var(--shadow-md);
}

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

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #0B0F19;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

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

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 24px;
}

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

.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;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0B0F19;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.45);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-2px);
}

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

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

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

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 97, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 255, 163, 0.06) 0%, transparent 40%),
    var(--gradient-dark);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

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

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -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 {
  position: relative;
  animation: fadeInRight 1s ease-out;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-glow);
}

.hero-image-wrapper img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: rgba(26, 32, 53, 0.95);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  animation: float 4s ease-in-out infinite;
}

.floating-card.card-1 {
  top: 24px;
  left: -40px;
  animation-delay: 0s;
}

.floating-card.card-2 {
  bottom: 32px;
  right: -32px;
  animation-delay: 1.5s;
}

.floating-card-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.coin-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.coin-icon.btc { background: linear-gradient(135deg, #F7931A 0%, #E2750A 100%); color: #fff; }
.coin-icon.eth { background: linear-gradient(135deg, #627EEA 0%, #485A9A 100%); color: #fff; }

.coin-info {
  font-size: 0.8rem;
}

.coin-name {
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.coin-price {
  font-weight: 700;
  font-size: 1rem;
}

.coin-change.up { color: var(--color-success); }
.coin-change.down { color: var(--color-danger); }

/* --- Section Common --- */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 100px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-description {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  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);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.1);
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

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

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.service-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

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

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

.service-image {
  aspect-ratio: 1;
  overflow: hidden;
}

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

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

.service-content {
  padding: 40px;
}

.service-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(0, 255, 163, 0.1);
  border-radius: 100px;
  margin-bottom: 16px;
}

.service-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.service-content p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.service-list li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-primary);
  border-radius: 50%;
  font-size: 0.7rem;
  flex-shrink: 0;
}

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

.coin-table-wrapper {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.coin-table {
  width: 100%;
  border-collapse: collapse;
}

.coin-table thead {
  background: rgba(0, 0, 0, 0.2);
}

.coin-table th {
  text-align: left;
  padding: 20px 24px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.coin-table tbody tr {
  transition: background 0.3s ease;
}

.coin-table tbody tr:hover {
  background: rgba(0, 212, 255, 0.05);
}

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

.coin-cell .coin-icon {
  width: 36px;
  height: 36px;
  font-size: 0.8rem;
}

.coin-name-full {
  font-weight: 600;
}

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

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

/* --- Security Section --- */
.security-section {
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    var(--color-bg);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

.security-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.security-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.security-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--color-border-hover);
}

.faq-question {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-toggle {
  width: 28px;
  height: 28px;
  position: relative;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease;
}

.faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.active .faq-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

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

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

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

/* --- CTA Section --- */
.cta-section {
  background: 
    linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(123, 97, 255, 0.08) 100%),
    var(--color-bg);
}

.cta-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 40px;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* --- Page Header (Inner Pages) --- */
.page-header {
  padding: 160px 0 80px;
  background: 
    radial-gradient(ellipse at 50% 30%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
    var(--gradient-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

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

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

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header p {
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.1rem;
}

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

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

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

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

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.06);
}

.news-card-body {
  padding: 24px;
}

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

.news-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.5;
  transition: color 0.3s ease;
}

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

.news-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- News Detail --- */
.news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.news-article {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
}

.news-article .article-image {
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 32px;
}

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

.news-article h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.4;
}

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

.news-article h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--color-text);
}

.news-article ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.news-article ul li {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
  list-style: disc;
}

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

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

.recent-post {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.recent-post:last-child {
  border-bottom: none;
}

.recent-post img {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.recent-post-info h4 {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.5;
  transition: color 0.3s ease;
}

.recent-post:hover .recent-post-info h4 {
  color: var(--color-primary);
}

.recent-post-info time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- About Page --- */
.about-intro {
  padding: 80px 0;
  background: var(--color-bg);
}

.about-intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-image {
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.mission-section {
  background: var(--color-bg-secondary);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mission-card {
  padding: 40px 32px;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.mission-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
}

.mission-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

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

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

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

.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-photo {
  aspect-ratio: 1;
  overflow: hidden;
}

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

.team-info {
  padding: 20px;
}

.team-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* --- Contact Page --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 60px 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-card {
  background: var(--color-bg-card);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--color-border-hover);
}

.contact-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-card h3::before {
  content: '';
  width: 36px;
  height: 36px;
  background: rgba(0, 212, 255, 0.15);
  border-radius: 10px;
  flex-shrink: 0;
}

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

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  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);
  background: rgba(0, 212, 255, 0.05);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Products Page --- */
.products-hero {
  background: var(--color-bg);
  padding-bottom: 40px;
}

.category-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.category-tab:hover,
.category-tab.active {
  background: var(--gradient-primary);
  color: #0B0F19;
  border-color: transparent;
}

/* --- Footer --- */
.site-footer {
  background: #070A12;
  padding: 80px 0 32px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

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

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

.social-link:hover {
  background: var(--gradient-primary);
  color: #0B0F19;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-text);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-newsletter {
  margin-top: 16px;
}

.footer-newsletter input {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-newsletter input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.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-bottom p {
  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);
  transition: color 0.3s ease;
}

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

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  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: 0.4; }
}

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

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

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

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B0F19;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.55);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

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

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

  .service-item,
  .service-item.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .service-image {
    aspect-ratio: 16/9;
  }

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

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

  .news-detail-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-intro-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11, 15, 25, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    padding: 14px 20px;
    width: 100%;
  }

  .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links.open + .nav-actions {
    display: flex;
    position: fixed;
    top: 320px;
    left: 24px;
    right: 24px;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .hero-stats {
    gap: 24px;
  }

  .stat-value {
    font-size: 1.4rem;
  }

  .floating-card.card-1 {
    left: 8px;
  }

  .floating-card.card-2 {
    right: 8px;
  }

  .section {
    padding: 64px 0;
  }

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

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

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

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

  .news-article {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .cta-box {
    padding: 40px 24px;
  }

  .coin-table th:nth-child(3),
  .coin-table td:nth-child(3),
  .coin-table th:nth-child(4),
  .coin-table td:nth-child(4) {
    display: none;
  }
}

/* --- Print Styles --- */
@media print {
  .site-header,
  .site-footer,
  .back-to-top,
  .mobile-toggle {
    display: none;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}