/* ===================================
   毕安app 官网样式表 - style.css
   配色：深蓝(#0a0e27) + 金色(#c9a84c) + 白色
   加密货币/金融科技风格
   =================================== */

/* === CSS Variables === */
:root {
  --primary-dark: #0a0e27;
  --primary-mid: #121636;
  --primary-light: #1a1f4a;
  --accent-gold: #c9a84c;
  --accent-gold-light: #d4b86a;
  --accent-gold-dark: #b8942e;
  --text-white: #ffffff;
  --text-light: #c0c4d8;
  --text-muted: #7a7f9a;
  --border-dark: #252a50;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.35);
  --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-base: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--primary-dark);
  color: var(--text-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  list-style: none;
}

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

/* === Skip Link (Accessibility) === */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 10000;
  transition: top var(--transition-base);
}
.skip-link:focus {
  top: 10px;
}

/* === Header & Navigation === */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

header.scrolled {
  background: rgba(10, 14, 39, 0.98);
  box-shadow: var(--shadow-md);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 24px;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

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

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-gold);
  background: rgba(201, 168, 76, 0.1);
}

.nav-cta {
  background: var(--accent-gold) !important;
  color: var(--primary-dark) !important;
  font-weight: 700 !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--transition-base) !important;
}

.nav-cta:hover {
  background: var(--accent-gold-light) !important;
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Hero Section === */
#hero {
  padding: calc(var(--header-height) + 60px) 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--primary-mid) 0%, var(--primary-dark) 100%);
}

#hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(26, 31, 74, 0.8) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-2%, -2%);
  }
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--accent-gold);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease both;
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

#hero h1 span {
  color: var(--accent-gold);
}

#hero .hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background: var(--accent-gold-light);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--border-dark);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.hero-image {
  margin-top: 48px;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.6s 0.4s ease both;
}

.hero-image img {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* === Section Common === */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-white);
}

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

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gold);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* === Features Section === */
#features {
  background: var(--primary-mid);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.features-grid article {
  background: var(--primary-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.features-grid article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.features-grid article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.features-grid article:hover::before {
  opacity: 1;
}

.features-grid .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(201, 168, 76, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.features-grid h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-white);
}

.features-grid p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === Market Ticker === */
#market-ticker {
  background: var(--primary-dark);
  overflow: hidden;
}

.ticker-bar {
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  overflow: hidden;
  position: relative;
}

.ticker-track {
  display: flex;
  gap: 40px;
  animation: tickerScroll 30s linear infinite;
  min-width: max-content;
}

@keyframes tickerScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text-white);
  font-weight: 600;
}

.ticker-item .coin-name {
  color: var(--text-light);
  font-weight: 500;
}

.ticker-item .price {
  color: var(--accent-gold);
}

.ticker-item .change-up {
  color: #4caf50;
  font-size: 0.85rem;
}

.ticker-item .change-down {
  color: #f44336;
  font-size: 0.85rem;
}

/* === Stats Section === */
#stats {
  background: linear-gradient(135deg, var(--primary-mid) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-card {
  padding: 24px;
}

.stat-card .stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* === CTA Section === */
#cta {
  text-align: center;
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.08) 0%, var(--primary-dark) 100%);
}

#cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

#cta p {
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

/* === Page Banner (Sub Pages) === */
.page-banner {
  padding: calc(var(--header-height) + 40px) 24px 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-mid) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.05) 0%, transparent 70%);
}

.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.page-banner h1 span {
  color: var(--accent-gold);
}

.breadcrumb {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

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

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

/* === About Page === */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-intro .about-text h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.about-intro .about-text p {
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 12px;
}

.about-intro .about-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Timeline */
.timeline {
  position: relative;
  padding: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-dark);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 40px;
  position: relative;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-item .timeline-content {
  width: 44%;
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-base);
}

.timeline-item .timeline-content:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
}

.timeline-item .timeline-year {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--primary-dark);
  padding: 4px 14px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--accent-gold);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.2);
}

/* Compliance */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.compliance-card {
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: all var(--transition-base);
}

.compliance-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.compliance-card .comp-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.compliance-card h3 {
  color: var(--text-white);
  margin-bottom: 8px;
}

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

/* === Services Page === */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.service-block {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-smooth);
}

.service-block:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.service-block .svc-icon {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-md);
  background: rgba(201, 168, 76, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  flex-shrink: 0;
}

.service-block .svc-info h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text-white);
}

.service-block .svc-info p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 12px;
}

.service-block .svc-info ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.service-block .svc-info ul li {
  margin-bottom: 4px;
}

/* === FAQ Page === */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-category {
  margin-bottom: 40px;
}

.faq-category h3 {
  font-size: 1.3rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-dark);
}

details {
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-base);
}

details:hover {
  border-color: rgba(201, 168, 76, 0.4);
}

details summary {
  padding: 18px 48px 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-white);
  position: relative;
  list-style: none;
  user-select: none;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--accent-gold);
  transition: transform var(--transition-base);
}

details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

details[open] {
  border-color: var(--accent-gold);
}

details .faq-answer {
  padding: 0 24px 20px;
  color: var(--text-light);
  line-height: 1.9;
}

/* === Contact Page === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--text-light);
}

.contact-detail .cd-icon {
  width: 44px;
  height: 44px;
  background: rgba(201, 168, 76, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-detail strong {
  display: block;
  color: var(--text-white);
  margin-bottom: 2px;
}

.contact-detail span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--accent-gold);
  color: var(--primary-dark);
  border-color: var(--accent-gold);
}

/* Contact Form */
.contact-form {
  background: var(--primary-mid);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 32px;
}

.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--text-white);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--primary-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

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

.form-submit {
  width: 100%;
  text-align: center;
}

/* === Footer === */
footer {
  background: var(--primary-light);
  border-top: 1px solid var(--border-dark);
  padding: 48px 24px 32px;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
  margin-bottom: 36px;
}

.footer-col h4 {
  color: var(--text-white);
  font-size: 1.05rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-col p,
.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 2;
  display: block;
}

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

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

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

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

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

.fade-in-up {
  animation: fadeInUp 0.7s ease both;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* === Responsive Design === */
@media (max-width: 1024px) {
  .about-intro {
    grid-template-columns: 1fr;
  }

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

  .timeline::before {
    left: 24px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 52px;
  }

  .timeline-item .timeline-content {
    width: 100%;
  }

  .timeline-dot {
    left: 24px;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 90px 24px 24px;
    gap: 4px;
    transition: right var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    border-left: 1px solid var(--border-dark);
  }

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

  .nav-links a {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
  }

  .service-block {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .service-block .svc-icon {
    margin: 0 auto;
  }

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

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

  .section-container {
    padding: 60px 16px;
  }

  .ticker-track {
    animation-duration: 20s;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-actions,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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