/* ============================================
   殴易手机版app下载 - 全局样式表
   专业金融科技风格 · 深色主题
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  color: #e0e6ed;
  background-color: #0b0e14;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #f0b90b;
  --color-primary-dark: #d4a20a;
  --color-secondary: #00c087;
  --color-accent: #e74c3c;
  --color-bg-dark: #0b0e14;
  --color-bg-card: #161a24;
  --color-bg-card-hover: #1e2330;
  --color-bg-section: #11151d;
  --color-text-primary: #e0e6ed;
  --color-text-secondary: #848e9c;
  --color-text-muted: #5e6673;
  --color-border: #2a2f3d;
  --gradient-primary: linear-gradient(135deg, #f0b90b 0%, #fcd535 100%);
  --gradient-dark: linear-gradient(180deg, #0b0e14 0%, #11151d 100%);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 32px rgba(240, 185, 11, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --container-pad: 24px;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 24px auto 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #0b0e14;
  box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(240, 185, 11, 0.45);
}

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: #0b0e14;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 48px;
  font-size: 1.125rem;
}

/* ---------- Header & Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 14, 20, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.brand-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b0e14;
  font-size: 1.25rem;
  font-weight: 800;
}

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

.nav-links a {
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  border-radius: 6px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(240, 185, 11, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

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

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

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

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

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(240, 185, 11, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 192, 135, 0.08) 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(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

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

.hero-text h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-text .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}

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

.hero-stat-item .stat-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

.hero-stat-item .stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  animation: fadeInRight 1s ease-out 0.2s both;
}

.hero-visual img {
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-border);
}

.hero-badge {
  position: absolute;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
  animation: floatY 4s ease-in-out infinite;
}

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

.hero-badge.badge-2 {
  bottom: 15%;
  right: -20px;
  animation-delay: 1.5s;
}

.hero-badge .badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.hero-badge.badge-1 .badge-icon {
  background: rgba(240, 185, 11, 0.15);
  color: var(--color-primary);
}

.hero-badge.badge-2 .badge-icon {
  background: rgba(0, 192, 135, 0.15);
  color: var(--color-secondary);
}

.hero-badge .badge-text strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}

.hero-badge .badge-text span {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ---------- Features Section ---------- */
.features {
  padding: 100px 0;
  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: 16px;
  padding: 36px 28px;
  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 {
  background: var(--color-bg-card-hover);
  border-color: rgba(240, 185, 11, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(240, 185, 11, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: #0b0e14;
  transform: scale(1.08);
}

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

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

/* ---------- Services Section ---------- */
.services {
  padding: 100px 0;
  background: var(--color-bg-dark);
}

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

.services-image img {
  border-radius: 20px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.services-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.services-info > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.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: 12px;
  transition: var(--transition);
}

.service-item:hover {
  border-color: rgba(240, 185, 11, 0.4);
  transform: translateX(4px);
}

.service-item-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  color: #0b0e14;
  font-weight: 800;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.service-item h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 6px;
}

.service-item p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ---------- App Download Section ---------- */
.app-download {
  padding: 100px 0;
  background: 
    radial-gradient(ellipse at center, rgba(240, 185, 11, 0.08) 0%, transparent 60%),
    var(--color-bg-section);
}

.download-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 60px;
}

.download-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.download-info .version-tag {
  display: inline-block;
  background: rgba(240, 185, 11, 0.15);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.download-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: var(--transition);
  color: #fff;
}

.download-btn:hover {
  border-color: var(--color-primary);
  background: rgba(240, 185, 11, 0.08);
  transform: translateY(-2px);
}

.download-btn .dl-icon {
  font-size: 1.75rem;
  color: var(--color-primary);
}

.download-btn .dl-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.download-btn .dl-text strong {
  display: block;
  font-size: 1rem;
}

.qr-code-wrapper {
  text-align: center;
}

.qr-code-box {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-box img {
  width: 100%;
  height: 100%;
}

.qr-code-wrapper p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* ---------- Detailed Content Section ---------- */
.detailed-content {
  padding: 100px 0;
  background: var(--color-bg-dark);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

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

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

.content-image img {
  border-radius: 16px;
  border: 1px solid var(--color-border);
}

.content-text h3 {
  font-size: 1.75rem;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 700;
}

.content-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-text ul {
  margin-top: 16px;
}

.content-text ul li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  color: var(--color-text-primary);
}

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

/* ---------- CTA Section ---------- */
.cta {
  padding: 100px 0;
  background: 
    linear-gradient(135deg, rgba(240, 185, 11, 0.1) 0%, rgba(0, 192, 135, 0.08) 100%),
    var(--color-bg-section);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240, 185, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

.cta p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- FAQ Section ---------- */
.faq {
  padding: 100px 0;
  background: var(--color-bg-dark);
}

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

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(240, 185, 11, 0.4);
}

.faq-question {
  width: 100%;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  background: none;
  cursor: pointer;
}

.faq-question .faq-q-icon {
  color: var(--color-primary);
  font-weight: 800;
  margin-right: 12px;
}

.faq-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(240, 185, 11, 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--gradient-primary);
  color: #0b0e14;
}

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

.faq-answer-inner {
  padding: 0 24px 24px 52px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ---------- Page Banner (for inner pages) ---------- */
.page-banner {
  padding: 160px 0 80px;
  background: 
    radial-gradient(ellipse at center, rgba(240, 185, 11, 0.1) 0%, transparent 60%),
    var(--gradient-dark);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-banner h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.page-banner p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--color-text-muted);
}

/* ---------- News List Page ---------- */
.news-list-section {
  padding: 80px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  border-color: rgba(240, 185, 11, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.news-card-image {
  position: relative;
  height: 200px;
  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(1.08);
}

.news-card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gradient-primary);
  color: #0b0e14;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

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

.news-card-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 1.125rem;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.5;
  transition: color 0.3s;
}

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

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

.news-card-more {
  margin-top: 16px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- News Detail Page ---------- */
.news-detail-section {
  padding: 60px 0 100px;
}

.news-detail-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
}

.news-detail-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px;
}

.news-detail-content .article-meta {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.news-detail-content .article-body {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-text-primary);
}

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

.news-detail-content .article-body h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 36px 0 16px;
}

.news-detail-content .article-body h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin: 28px 0 12px;
}

.news-detail-content .article-body ul {
  margin: 16px 0;
  padding-left: 24px;
  list-style: disc;
}

.news-detail-content .article-body ul li {
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

.news-detail-content .article-body img {
  border-radius: 12px;
  margin: 24px 0;
  border: 1px solid var(--color-border);
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

.sidebar-widget h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-news-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-news-item:last-child {
  border-bottom: none;
}

.sidebar-news-item img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.sidebar-news-item .sni-text {
  flex: 1;
}

.sidebar-news-item h4 {
  font-size: 0.875rem;
  color: #fff;
  margin-bottom: 4px;
  line-height: 1.4;
  transition: color 0.3s;
}

.sidebar-news-item:hover h4 {
  color: var(--color-primary);
}

.sidebar-news-item span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- Products Page ---------- */
.products-section {
  padding: 80px 0;
}

.product-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.product-tab {
  padding: 12px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.product-tab:hover,
.product-tab.active {
  background: var(--gradient-primary);
  color: #0b0e14;
  border-color: transparent;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: rgba(240, 185, 11, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.product-card-header {
  padding: 28px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.product-card-header .product-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: rgba(240, 185, 11, 0.12);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-primary);
}

.product-card-header h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 6px;
}

.product-card-header .product-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.product-card-body {
  padding: 24px 28px;
}

.product-features-list {
  margin-bottom: 20px;
}

.product-features-list li {
  padding: 8px 0;
  padding-left: 22px;
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

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

/* ---------- Contact Page ---------- */
.contact-section {
  padding: 80px 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px;
  display: flex;
  gap: 20px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: rgba(240, 185, 11, 0.4);
  transform: translateX(4px);
}

.contact-card .contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(240, 185, 11, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 6px;
}

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

.contact-form-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px;
}

.contact-form-wrapper h2 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 24px;
}

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

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

.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: 8px;
  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);
  background: var(--color-bg-section);
}

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

/* ---------- About Page ---------- */
.about-section {
  padding: 80px 0;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-intro-text h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 20px;
}

.about-intro-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 60px 0;
}

.stat-block {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
}

.stat-block:hover {
  border-color: rgba(240, 185, 11, 0.4);
  transform: translateY(-4px);
}

.stat-block .stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.stat-block .stat-name {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.team-section {
  margin-top: 80px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}

.team-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 185, 11, 0.4);
}

.team-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid var(--color-border);
}

.team-card h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 4px;
}

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

/* ---------- Footer ---------- */
.site-footer {
  background: #080b10;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 16px 0 20px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: #0b0e14;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

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

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

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: #0b0e14;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 16px rgba(240, 185, 11, 0.4);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 24px rgba(240, 185, 11, 0.5);
}

/* ---------- 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 floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  .hero-content,
  .services-content,
  .download-wrapper,
  .content-grid,
  .about-intro,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

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

  .hero-text h1 {
    font-size: 2.25rem;
  }

  .section-title h2 {
    font-size: 1.75rem;
  }

  .cta h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-card);
    flex-direction: column;
    padding: 100px 24px 24px;
    gap: 8px;
    transition: right 0.4s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    padding: 14px 20px;
    font-size: 1rem;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

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

  .hero-text h1 {
    font-size: 1.875rem;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-badge.badge-1 {
    left: 0;
  }

  .hero-badge.badge-2 {
    right: 0;
  }

  .features,
  .services,
  .app-download,
  .detailed-content,
  .cta,
  .faq,
  .about-section,
  .contact-section,
  .news-list-section,
  .news-detail-section,
  .products-section {
    padding: 60px 0;
  }

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

  .download-wrapper {
    padding: 32px 24px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .page-banner {
    padding: 130px 0 60px;
  }

  .page-banner h1 {
    font-size: 2rem;
  }

  .news-detail-content {
    padding: 24px;
  }

  .contact-form-wrapper {
    padding: 24px;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

  .content-grid.reverse {
    direction: ltr;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .download-buttons {
    flex-direction: column;
  }

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

  .hero-badge {
    display: none;
  }
}

/* ---------- Print Styles (Core Web Vitals optimization) ---------- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .back-to-top {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}