/* 基础样式设置 */
:root {
  --primary: #ff4757;
  --primary-dark: #e03444;
  --secondary: #2e86de;
  --secondary-dark: #1c6cbc;
  --dark: #1e272e;
  --light: #f1f2f6;
  --gray: #57606f;
  --success: #2ed573;
  --warning: #ffa502;
  --text-white: #ffffff;
  --text-dark: #2f3542;
  --border-radius: 8px;
  --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--dark);
  color: var(--text-white);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.highlight {
  color: var(--primary);
}

.text-center {
  text-align: center;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(46, 134, 222, 0.3);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-3px);
}

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

.btn-outline:hover {
  background-color: var(--text-white);
  color: var(--dark);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 18px;
}

.btn-cta {
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  color: var(--text-white);
  padding: 16px 32px;
  font-size: 18px;
  box-shadow: 0 10px 20px rgba(255, 71, 87, 0.3);
}

.btn-cta:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 25px rgba(255, 71, 87, 0.4);
}

/* 头部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(30, 39, 46, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 50px;
  height: 50px;
}

.logo span {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-white);
}

.main-nav ul {
  display: flex;
  gap: 30px;
}

.main-nav a {
  font-weight: 500;
  position: relative;
  padding: 5px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

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

.auth-buttons {
  display: flex;
  gap: 15px;
}

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

.btn-login:hover {
  background-color: var(--primary);
  color: var(--text-white);
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-white);
  margin: 5px 0;
  transition: var(--transition);
}

/* 英雄区域 */
.hero {
  position: relative;
  min-height: 100vh;
  background-color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  margin-top: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(30, 39, 46, 0.8), rgba(30, 39, 46, 0.95));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
}

.hero-flex-container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-image-container {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image-container img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.hero-text-container {
  flex: 1;
  text-align: left;
}

.hero-text-container h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-text-container p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.hero-features {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.feature-text {
  font-weight: 500;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  z-index: 1;
}

.mouse {
  width: 30px;
  height: 50px;
  border: 2px solid var(--text-white);
  border-radius: 20px;
  position: relative;
}

.wheel {
  width: 6px;
  height: 6px;
  background-color: var(--text-white);
  border-radius: 50%;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 1.5s infinite;
}

@keyframes scroll {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
}

.arrow {
  margin-top: 10px;
}

.arrow span {
  display: block;
  width: 10px;
  height: 10px;
  border-bottom: 2px solid var(--text-white);
  border-right: 2px solid var(--text-white);
  transform: rotate(45deg);
  margin: -5px;
  animation: arrow 1.5s infinite;
}

.arrow span:nth-child(2) {
  animation-delay: 0.2s;
}

.arrow span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes arrow {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-5px, -5px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(5px, 5px);
  }
}

/* 数字统计区 */
.stats {
  background-color: var(--primary);
  padding: 60px 0;
}

.stats-container {
  display: flex;
  justify-content: space-around;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.2rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 游戏分类区 */
.games {
  padding: 100px 0;
  background-color: var(--dark);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
  margin: 0 auto;
}

.section-header.light h2,
.section-header.light p {
  color: var(--text-white);
}

.game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.category {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}

.category:hover {
  transform: translateY(-10px);
  background-color: rgba(255, 255, 255, 0.1);
}

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

.category h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.category p {
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.7);
}

.games-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.game-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  background-color: rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  height: 100%;
  min-height: 200px;
}

.game-card:hover {
  transform: translateY(-10px);
  background-color: rgba(255, 255, 255, 0.1);
}

.game-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
}

.game-card:hover img {
  transform: scale(1.1);
}

.game-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  transition: var(--transition);
}

.game-overlay h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.game-card:hover .game-overlay {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5));
}

.game-question {
  padding: 30px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.game-question h4 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.game-question p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.9);
  flex-grow: 1;
}

.game-question .btn {
  align-self: flex-start;
}

/* 促销区域 */
.promotions {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--secondary-dark), #1a5a9e);
  overflow: hidden;
}

.promotions-bg {
  display: none;
}

.promotions-slider {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.promotion-card {
  display: flex;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  width: calc(50% - 15px);
  min-width: 300px;
  transition: var(--transition);
}

.promotion-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.promotion-content {
  padding: 30px;
  flex: 1;
}

.promotion-tag {
  display: inline-block;
  background-color: var(--primary);
  color: var(--text-white);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.promotion-content h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.promotion-content p {
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.9);
}

.promotion-question {
  flex: 1;
  min-width: 200px;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.promotion-question h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary);
}

.promotion-question p {
  color: rgba(255, 255, 255, 0.9);
}

/* VIP计划 */
.vip {
  padding: 100px 0;
  background-color: var(--dark);
}

.vip-levels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.vip-level {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.1));
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  flex: 1;
  min-width: 250px;
  max-width: 350px;
  transition: var(--transition);
}

.vip-level:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow);
}

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

.vip-level h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 15px;
}

.vip-level h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--primary);
}

.vip-level ul {
  text-align: left;
  margin-top: 25px;
}

.vip-level li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.vip-level li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
}

.vip-cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}

.vip-cta p {
  font-size: 1.2rem;
  margin-bottom: 25px;
}

/* 支付方式 */
.payment-methods {
  padding: 100px 0;
  background-color: rgba(255, 255, 255, 0.02);
}

.payment-methods-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 1000px;
  margin: 40px auto 0;
  padding: 0 20px;
}

.payment-method-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 20px;
  width: 180px;
  text-align: center;
  transition: var(--transition);
}

.payment-method-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.payment-method-item h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--primary);
}

.payment-method-item p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

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

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-item {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.05);
}

.faq-question {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 1.2rem;
  margin: 0;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: 700;
  transition: var(--transition);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active .faq-answer {
  padding: 0 20px 20px;
  max-height: 1000px;
}

.support-cta {
  text-align: center;
  margin-top: 50px;
}

.support-cta p {
  margin-bottom: 20px;
}

/* 注册区域 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* 页脚 */
.footer {
  background-color: #111;
  padding-top: 80px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  margin-bottom: 40px;
}

.footer-logo img {
  width: 80px;
  height: 80px;
  margin-bottom: 15px;
}

.footer-logo p {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
}

.footer-col {
  min-width: 160px;
}

.footer-col h3 {
  font-size: 1.2rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-icon {
  font-size: 1.2rem;
  display: inline-block;
  width: 24px;
  text-align: center;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
  font-size: 1.2rem;
}

.social-icon:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.footer-divider {
  color: rgba(255, 255, 255, 0.3);
  margin: 0 10px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px;
}

.footer-info p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 5px;
}

.footer-links {
  display: flex;
  gap: 15px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

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

/* 政策模态框 */
.policy-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.policy-modal.show {
  opacity: 1;
  visibility: visible;
}

.policy-content {
  background-color: var(--dark);
  border-radius: var(--border-radius);
  padding: 40px;
  max-width: 800px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.policy-content h2 {
  margin-bottom: 20px;
}

.close-policy {
  display: block;
  margin: 30px auto 0;
  padding: 10px 20px;
  background-color: var(--primary);
  color: var(--text-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.close-policy:hover {
  background-color: var(--primary-dark);
}

/* 动画效果 */
.animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.show {
  opacity: 1;
  transform: translateY(0);
}

.fade-up {
  transform: translateY(30px);
}

.fade-down {
  transform: translateY(-30px);
}

.fade-left {
  transform: translateX(30px);
}

.fade-right {
  transform: translateX(-30px);
}

.delay-1 {
  transition-delay: 0.2s;
}

.delay-2 {
  transition-delay: 0.4s;
}

.delay-3 {
  transition-delay: 0.6s;
}

.delay-4 {
  transition-delay: 0.8s;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .hero-text-container h1 {
    font-size: 3rem;
  }
}

@media (max-width: 992px) {
  .header-container {
    padding: 15px 5%;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    left: -70%;
    width: 70%;
    height: 100vh;
    background-color: rgba(30, 39, 46, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 80px 0 30px;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    overflow-y: auto;
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
    padding-left: 40px;
    width: 100%;
  }
  
  .main-nav a {
    font-size: 1.3rem;
    display: block;
    width: 100%;
    padding: 5px 0;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .main-nav a:hover {
    color: var(--primary);
    transform: translateX(5px);
  }
  
  .main-nav a::after {
    height: 3px;
    background-color: var(--primary);
  }
  
  /* 添加导航菜单遮罩 */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(3px);
  }
  
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-toggle {
    display: block;
    z-index: 1002;
    width: 30px;
    height: 25px;
    position: relative;
    cursor: pointer;
  }
  
  .mobile-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--text-white);
    border-radius: 3px;
    position: absolute;
    transition: all 0.3s ease;
  }
  
  .mobile-toggle span:nth-child(1) {
    top: 0;
  }
  
  .mobile-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
  }
  
  .mobile-toggle span:nth-child(3) {
    bottom: 0;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  .hero-flex-container {
    flex-direction: column;
  }
  
  .hero-text-container {
    text-align: center;
  }
  
  .hero-text-container h1 {
    font-size: 3rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-features {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-image-container img {
    max-width: 90%;
  }
  
  .promotion-card {
    width: 100%;
    flex-direction: column;
  }
  
  .promotion-question {
    padding: 20px 30px 30px;
  }
}

@media (max-width: 768px) {
  .auth-buttons {
    display: none;
  }
  
  .hero-text-container h1 {
    font-size: 2.5rem;
  }
  
  .hero-text-container p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .stats-container {
    flex-direction: column;
    gap: 30px;
  }
  
  .footer-top {
    flex-direction: column;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-col {
    width: 100%;
    text-align: center;
  }
  
  .footer-col h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-col ul li {
    text-align: center;
  }
  
  .footer-col a:hover {
    padding-left: 0;
  }
  
  .contact-info li {
    justify-content: center;
  }
  
  .social-icons {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
  
  .payment-methods-list {
    gap: 15px;
  }
  
  .payment-method-item {
    width: calc(50% - 15px);
  }
  
  .footer-divider {
    display: none;
  }
  
  .footer-links a {
    margin: 0 10px;
  }
}

@media (max-width: 576px) {
  .section-header h2 {
    font-size: 2rem;
  }
  
  .vip-levels {
    flex-direction: column;
    align-items: center;
  }
  
  .vip-level {
    width: 100%;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .payment-method-item {
    width: 100%;
  }
  
  .footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
  }
  
  .footer-col {
    padding: 0 15px;
    margin-bottom: 20px;
  }
  
  .footer-col h3 {
    font-size: 1.3rem;
  }
  
  .footer-col ul li {
    margin-bottom: 15px;
  }
  
  .footer-col a {
    font-size: 1.1rem;
  }
  
  .contact-info li {
    margin-bottom: 15px;
    font-size: 1.1rem;
  }
  
  .social-icons {
    margin-top: 25px;
  }
  
  .social-icon {
    width: 45px;
    height: 45px;
  }
  
  .footer-bottom {
    padding: 25px 15px;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
  
  .footer-links a {
    font-size: 1.1rem;
  }
}

/* 移动端底部悬浮按钮 */
.mobile-floating-buttons {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(30, 39, 46, 0.95);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  padding: 15px;
  justify-content: space-around;
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-floating-buttons .btn {
  width: 48%;
  text-align: center;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mobile-floating-buttons .btn-primary {
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

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

.mobile-floating-buttons .btn:active {
  transform: scale(0.98);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .mobile-floating-buttons {
    display: flex;
  }
  
  /* 为底部添加额外的内边距，避免内容被悬浮按钮遮挡 */
  .footer {
    padding-bottom: 90px;
  }
  
  /* 确保页面底部的其他按钮不会被悬浮按钮遮挡 */
  .footer-bottom {
    margin-bottom: 20px;
  }
}