/**
 * AI全自动获客工具平台 - 城市站点专属样式
 * 完全不同于总站点的UI设计
 * 风格：橙色/金色系、卡片式、极简主义
 */

/* ============================
   CSS Variables - 城市站点专属配色
   ============================ */
:root {
  --city-gold: #f59e0b;
  --city-gold-dark: #d97706;
  --city-gold-light: #fbbf24;
  --city-orange: #ea580c;
  --city-dark: #1a1a2e;
  --city-dark-2: #16213e;
  --city-dark-3: #0f3460;
  --city-light: #eef2ff;
  --city-gray: #94a3b8;
  --city-gradient-gold: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  --city-gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

/* ============================
   Base Styles
   ============================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--city-dark);
  color: var(--city-light);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--city-gold);
  text-decoration: none;
  transition: all 0.3s;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================
   Header - 极简导航
   ============================ */
.city-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(245, 158, 11, 0.1);
}

.city-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.city-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--city-light);
}

.city-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--city-gold);
}

.city-nav {
  display: flex;
  gap: 2rem;
}

.city-nav a {
  color: var(--city-gray);
  font-weight: 500;
  font-size: 0.9375rem;
  position: relative;
}

.city-nav a:hover {
  color: var(--city-gold);
}

.city-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--city-gradient-gold);
  transition: width 0.3s;
}

.city-nav a:hover::after {
  width: 100%;
}

.city-cta-btn {
  padding: 0.75rem 1.5rem;
  background: var(--city-gradient-gold);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s;
}

.city-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
  color: #fff;
}

/* ============================
   Hero Section - 左侧文字右侧图形
   ============================ */
.city-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.city-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top right, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
              radial-gradient(ellipse at bottom left, rgba(234, 88, 12, 0.1) 0%, transparent 50%);
}

.city-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.city-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--city-gold);
  margin-bottom: 1.5rem;
}

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

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

.city-hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.city-highlight {
  color: var(--city-gold);
}

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

.city-subtitle {
  font-size: 1.25rem;
  color: var(--city-gray);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.city-hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-gradient {
  padding: 1rem 2rem;
  background: var(--city-gradient-gold);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-gradient:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
  color: #fff;
}

.btn-outline {
  padding: 1rem 2rem;
  background: transparent;
  color: var(--city-light);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
}

.btn-outline:hover {
  border-color: var(--city-gold);
  color: var(--city-gold);
}

.city-hero-stats {
  display: flex;
  gap: 3rem;
}

.city-stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--city-gold);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--city-gray);
}

.city-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-circle {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(234, 88, 12, 0.1) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.visual-icon {
  position: absolute;
  color: var(--city-gold);
  opacity: 0.6;
}

/* ============================
   Trust Section - 横向滚动
   ============================ */
.city-trust {
  padding: 2rem 0;
  background: var(--city-dark-2);
  border-top: 1px solid rgba(245, 158, 11, 0.1);
  border-bottom: 1px solid rgba(245, 158, 11, 0.1);
}

.trust-scroll {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--city-gray);
  font-size: 0.9375rem;
}

.trust-item svg {
  color: var(--city-gold);
}

/* ============================
   Section Header
   ============================ */
.section-header-center {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--city-gold);
  margin-bottom: 1rem;
}

.section-header-center h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-header-center p {
  color: var(--city-gray);
  font-size: 1.125rem;
}

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

/* ============================
   Industries - 圆形图标网格
   ============================ */
.city-industries {
  padding: 6rem 0;
  background: var(--city-dark);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--city-dark-2);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 16px;
  transition: all 0.3s;
}

.industry-item:hover {
  transform: translateY(-5px);
  border-color: var(--city-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.industry-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--city-gold);
}

.industry-item span {
  font-weight: 600;
  font-size: 0.9375rem;
}

/* ============================
   Pain Points - 卡片式
   ============================ */
.city-pain {
  padding: 6rem 0;
  background: var(--city-dark-2);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.pain-card {
  padding: 2.5rem;
  background: var(--city-dark);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 16px;
  position: relative;
  transition: all 0.3s;
}

.pain-card:hover {
  border-color: var(--city-gold);
  transform: translateY(-5px);
}

.pain-num {
  font-size: 4rem;
  font-weight: 800;
  color: rgba(245, 158, 11, 0.1);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.pain-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--city-light);
}

.pain-card p {
  color: var(--city-gray);
  line-height: 1.8;
}

/* ============================
   Features - 左右交错布局
   ============================ */
.city-features {
  padding: 6rem 0;
  background: var(--city-dark);
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

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

.feature-tag {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--city-gold);
  margin-bottom: 1rem;
}

.feature-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-content p {
  color: var(--city-gray);
  line-height: 1.8;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-box {
  width: 200px;
  height: 200px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(234, 88, 12, 0.05) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

/* ============================
   Products - 卡片堆叠
   ============================ */
.city-products {
  padding: 6rem 0;
  background: var(--city-dark-2);
}

.products-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card-main {
  padding: 2.5rem;
  background: var(--city-dark);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s;
}

.product-card-main:hover {
  transform: translateY(-10px);
  border-color: var(--city-gold);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.product-icon-large {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.product-card-main h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.product-card-main > p {
  color: var(--city-gray);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.product-list {
  list-style: none;
  text-align: left;
}

.product-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--city-gray);
  font-size: 0.9375rem;
}

/* ============================
   Comparison - 简洁对比
   ============================ */
.city-comparison {
  padding: 6rem 0;
  background: var(--city-dark);
}

.comparison-simple {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.comparison-col {
  background: var(--city-dark-2);
  border-radius: 16px;
  overflow: hidden;
}

.comparison-col.highlight {
  border: 2px solid var(--city-gold);
}

.comparison-header {
  padding: 1.5rem;
  background: rgba(245, 158, 11, 0.1);
  text-align: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--city-gold);
}

.comparison-item {
  padding: 1.25rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--city-gray);
}

.comparison-col.highlight .comparison-item {
  color: var(--city-light);
}

/* ============================
   Steps - 时间轴
   ============================ */
.city-steps {
  padding: 6rem 0;
  background: var(--city-dark-2);
}

.timeline {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: rgba(245, 158, 11, 0.3);
}

.timeline-item {
  text-align: center;
  position: relative;
}

.timeline-dot {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--city-gradient-gold);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.timeline-dot::before {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.1);
}

.step-num {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.timeline-content h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--city-gray);
  font-size: 0.9375rem;
}

/* ============================
   Cases - 滑动卡片
   ============================ */
.city-cases {
  padding: 6rem 0;
  background: var(--city-dark);
}

.cases-slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  padding: 2rem;
  background: var(--city-dark-2);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 16px;
  transition: all 0.3s;
}

.case-card:hover {
  transform: translateY(-5px);
  border-color: var(--city-gold);
}

.case-badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--city-gold);
  margin-bottom: 1rem;
}

.case-text {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--city-light);
}

.case-data {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.case-data span {
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--city-gold);
  font-weight: 600;
}

.case-author {
  color: var(--city-gray);
  font-size: 0.875rem;
}

/* ============================
   FAQ - 手风琴
   ============================ */
.city-faq {
  padding: 6rem 0;
  background: var(--city-dark-2);
}

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

.faq-item {
  background: var(--city-dark);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

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

.faq-trigger {
  width: 100%;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--city-light);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}

.faq-trigger svg {
  color: var(--city-gold);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.active .faq-trigger svg {
  transform: rotate(45deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s;
}

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

.faq-panel p {
  padding: 0 2rem 1.5rem;
  color: var(--city-gray);
  line-height: 1.8;
}

/* ============================
   CTA Section
   ============================ */
.city-cta {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(234, 88, 12, 0.1) 100%);
}

.cta-box {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
  background: var(--city-dark);
  border: 2px solid var(--city-gold);
  border-radius: 24px;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--city-gold);
  margin-bottom: 1.5rem;
}

.cta-box h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-box > p {
  color: var(--city-gray);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.btn-cta {
  display: inline-block;
  padding: 1.25rem 3rem;
  background: var(--city-gradient-gold);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.125rem;
  transition: all 0.3s;
  margin-bottom: 2rem;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
  color: #fff;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-features span {
  color: var(--city-gray);
  font-size: 0.9375rem;
}

/* ============================
   Articles
   ============================ */
.city-articles {
  padding: 6rem 0;
  background: var(--city-dark);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.article-card {
  background: var(--city-dark-2);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.article-img {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.article-info {
  padding: 1.5rem;
}

.article-date {
  font-size: 0.8125rem;
  color: var(--city-gray);
  margin-bottom: 0.75rem;
}

.article-info h4 {
  font-size: 1.125rem;
  margin-bottom: 0;
  color: var(--city-light);
  line-height: 1.5;
}

/* ============================
   Footer
   ============================ */
.city-footer {
  padding: 4rem 0 2rem;
  background: var(--city-dark-2);
  border-top: 1px solid rgba(245, 158, 11, 0.1);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  max-width: 400px;
}

.footer-brand p {
  color: var(--city-gray);
  font-size: 0.9375rem;
  margin-top: 1rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--city-gray);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: var(--city-gold);
}

.footer-bottom {
  text-align: center;
  color: var(--city-gray);
  font-size: 0.875rem;
}

/* ============================
   Modal
   ============================ */
.city-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.city-modal.active {
  display: flex;
}

.modal-box {
  background: var(--city-dark);
  padding: 3rem;
  border-radius: 24px;
  text-align: center;
  max-width: 400px;
  position: relative;
  border: 2px solid var(--city-gold);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  color: var(--city-gray);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-icon {
  color: var(--city-gold);
  margin-bottom: 1.5rem;
}

.modal-box h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.modal-box > p {
  color: var(--city-gray);
  margin-bottom: 2rem;
}

.wechat-id {
  padding: 1rem 2rem;
  background: var(--city-dark-2);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--city-gold);
  font-family: monospace;
  margin-bottom: 1.5rem;
}

.copy-btn {
  width: 100%;
  padding: 1rem;
  background: var(--city-gradient-gold);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.copy-btn:hover {
  transform: scale(1.02);
}

/* Toast */
.city-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 1rem 2rem;
  background: var(--city-gold);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  opacity: 0;
  transition: all 0.3s;
  z-index: 9999;
}

.city-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 1024px) {
  .city-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .city-hero-actions {
    justify-content: center;
  }
  
  .city-hero-stats {
    justify-content: center;
  }
  
  .city-hero-visual {
    display: none;
  }
  
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pain-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .feature-row.reverse {
    direction: ltr;
  }
  
  .products-stack {
    grid-template-columns: 1fr;
  }
  
  .cases-slider {
    grid-template-columns: 1fr;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .timeline::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .city-nav {
    display: none;
  }
  
  .industry-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline {
    grid-template-columns: 1fr;
  }
  
  .comparison-simple {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}