/* ===== 全局变量 ===== */
:root {
  /* 主色调 - 深蓝科技风 */
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  
  /* 辅助色 - 青绿色 */
  --secondary-color: #10b981;
  --secondary-light: #34d399;
  --secondary-dark: #059669;
  
  /* 强调色 - 橙色 */
  --accent-color: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  
  /* 背景色 - 深色主题 */
  --dark-bg: #0f172a;
  --darker-bg: #020617;
  --card-bg: #1e293b;
  --card-hover: #334155;
  
  /* 文本颜色 */
  --text-white: #ffffff;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  /* 边框和阴影 */
  --border-color: #334155;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --hover-shadow: 0 8px 30px rgba(37, 99, 235, 0.2);
  
  /* 渐变背景 */
  --gradient-primary: linear-gradient(135deg, #2563eb, #10b981);
  --gradient-secondary: linear-gradient(135deg, #10b981, #f59e0b);
  --gradient-accent: linear-gradient(135deg, #f59e0b, #ef4444);
}

/* ===== 基础样式重置 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
}

body {
  font-family: 'SF Pro Display', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--text-light);
  background-color: var(--dark-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-white);
  margin-bottom: 1.6rem;
}

h1 {
  font-size: 4.2rem;
}

h2 {
  font-size: 3.6rem;
}

h3 {
  font-size: 2.4rem;
}

h4 {
  font-size: 2rem;
}

p {
  margin-bottom: 1.6rem;
}

a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* ===== 通用类 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  margin-bottom: 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.section-title {
  font-size: 3.2rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 6rem;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.8rem;
  margin-top: -1rem;
  margin-bottom: 2rem;
}

.view-all {
  color: var(--primary-light);
  font-weight: 600;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
}

.view-all i {
  margin-left: 0.8rem;
  transition: transform 0.3s ease;
}

.view-all:hover i {
  transform: translateX(5px);
}

/* ===== 按钮样式 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.4rem;
  border-radius: 0.8rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-sm {
  padding: 0.8rem 1.6rem;
  font-size: 1.4rem;
}

.btn-lg {
  padding: 1.4rem 3rem;
  font-size: 1.8rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--text-white);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
  color: var(--text-white);
}

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

.btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.2);
}

.btn-download {
  display: none;
}

.btn-download i {
  font-size: 2.4rem;
  margin-right: 1.2rem;
}

.btn-download span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.3;
}

.btn-download small {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-muted);
}

.btn-download:hover {
  background-color: var(--card-hover);
  transform: translateY(-3px);
  box-shadow: var(--hover-shadow);
  color: var(--text-white);
}

/* ===== 表单元素 ===== */
.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 1.2rem 1.6rem;
  font-size: 1.6rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-light);
  border-radius: 0.8rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.form-control::placeholder {
  color: var(--text-dark);
}

/* 表单按钮在输入框内的样式 */
.form-group .btn {
  position: absolute;
  right: 5px;
  top: 5px;
  height: calc(100% - 10px);
  border-radius: 0.6rem;
}

/* ===== 头部导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(9, 9, 26, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1.5rem 0;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

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

/* Logo 样式 */
.logo {
  font-size: 2.8rem;
  font-weight: 800;
}

.logo-text {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 导航菜单 */
.nav-menu {
  margin-left: 4rem;
}

.menu-list {
  display: flex;
  align-items: center;
}

.menu-item {
  margin-right: 2.5rem;
  position: relative;
}

.menu-item a {
  font-size: 1.6rem;
  font-weight: 600;
  padding: 0.8rem 0;
  position: relative;
}

.menu-item.active a {
  color: var(--primary-light);
}

.menu-item a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  transition: width 0.3s ease;
}

.menu-item.active a::after,
.menu-item a:hover::after {
  width: 100%;
}

/* 头部操作区 */
.header-actions {
  display: flex;
  align-items: center;
}

.search-icon {
  font-size: 1.8rem;
  margin-right: 2rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.search-icon:hover {
  color: var(--primary-light);
}

.user-actions {
  display: flex;
  align-items: center;
}

.user-actions .btn {
  margin-left: 1rem;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  font-size: 2.4rem;
  cursor: pointer;
  margin-left: 2rem;
}

/* ===== 英雄区域 ===== */
.hero {
  position: relative;
  background: url('../images/bg.webp') no-repeat center center;
  background-size: cover;
  padding: 18rem 0 12rem;
  margin-top: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 15, 27, 0.9), rgba(15, 15, 27, 0.7));
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 70rem;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 5.2rem;
  margin-bottom: 2rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 4rem;
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

/* ===== 游戏分类 ===== */
.game-categories {
  padding: 2rem 0;
  background-color: var(--card-bg);
  position: sticky;
  top: 7.2rem;
  z-index: 99;
}

.category-tabs {
  display: flex;
  align-items: center;
  overflow-x: auto;
  padding-bottom: 0.8rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
  display: none;
}

.category-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  margin-right: 1rem;
  border-radius: 3rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.category-tab.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.category-tab:hover:not(.active) {
  color: var(--primary-light);
}

/* ===== 游戏卡片网格 ===== */
.featured-games {
  padding: 8rem 0;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(25rem, 1fr));
  gap: 3rem;
}

.game-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.game-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.game-card-image {
  position: relative;
  height: 20rem;
  overflow: hidden;
}

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

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

.game-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-card:hover .game-card-overlay {
  opacity: 1;
}

.game-card-body {
  padding: 2rem;
}

.game-card-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.game-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.game-card-category {
  font-size: 1.3rem;
  color: var(--text-muted);
  background-color: rgba(108, 92, 231, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
}

.game-card-rating {
  display: flex;
  align-items: center;
  color: var(--text-muted);
}

.game-card-rating i {
  color: #ffd700;
  margin-right: 0.5rem;
}

/* ===== 平台优势部分 ===== */
.features {
  padding: 8rem 0;
  background-color: var(--darker-bg);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.05) 0%, rgba(9, 9, 26, 0) 70%);
  z-index: 0;
}

.features .container {
  position: relative;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 3rem;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.1), transparent);
  transition: left 0.6s ease;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.feature-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3.2rem;
  color: var(--text-white);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.3);
}

.feature-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.feature-desc {
  color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-section .container {
        flex-direction: column;
    }
    
    .features {
        flex-direction: column;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .game-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .main-nav ul li {
        margin-left: 15px;
    }
}

@media (max-width: 576px) {
    .game-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-download {
        width: 80%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 下载客户端区域 ===== */
.download-app {
  display: none;
}

.download-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 6rem;
}

.download-info {
  flex: 1;
}

.download-title {
  font-size: 3.6rem;
  margin-bottom: 2rem;
}

.download-desc {
  font-size: 1.8rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.download-features {
  margin-bottom: 3rem;
}

.download-features li {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.download-features li i {
  color: var(--primary-color);
  margin-right: 1.5rem;
  font-size: 1.8rem;
}

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.download-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.3));
  transform: perspective(1000px) rotateY(-15deg);
  transition: all 0.5s ease;
}

.download-image:hover img {
  transform: perspective(1000px) rotateY(-5deg);
}

/* ===== 平台数据展示 ===== */
.about-preview {
  padding: 8rem 0;
  background-color: var(--card-bg);
  position: relative;
  overflow: hidden;
}

.about-preview::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.03) 0%, rgba(253, 121, 168, 0.03) 100%);
  z-index: 0;
}

.about-preview .container {
  position: relative;
  z-index: 1;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 6rem;
}

.about-info {
  flex: 1;
}

.about-desc {
  font-size: 1.7rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.about-stats {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat-item {
  background-color: var(--darker-bg);
  border-radius: 1.2rem;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(253, 121, 168, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-item:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.stat-number {
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
  transform: scale(1.05);
}

.stat-label {
  font-size: 1.6rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.stat-item:hover .stat-label {
  color: var(--text-light);
}

/* ===== 新闻资讯 ===== */
.news {
  padding: 8rem 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
  gap: 3rem;
}

.news-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.news-image {
  position: relative;
  height: 22rem;
}

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

.news-date {
  position: absolute;
  top: 2rem;
  left: 2rem;
  background-color: rgba(9, 9, 26, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem;
  border-radius: 0.8rem;
  text-align: center;
  width: 6rem;
}

.date-day {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-white);
}

.date-month {
  display: block;
  font-size: 1.4rem;
  color: var(--text-muted);
}

.news-body {
  padding: 2.5rem;
}

.news-tag {
  display: inline-block;
  font-size: 1.3rem;
  color: var(--primary-light);
  background-color: rgba(108, 92, 231, 0.1);
  padding: 0.4rem 1.2rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

.news-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.news-excerpt {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.news-link {
  color: var(--primary-light);
  font-weight: 600;
  display: flex;
  align-items: center;
}

.news-link i {
  margin-left: 0.8rem;
  transition: transform 0.3s ease;
}

.news-link:hover i {
  transform: translateX(5px);
}

/* ===== 订阅通讯 ===== */
.newsletter {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
  z-index: 0;
}

.newsletter-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.newsletter-info {
  flex: 1;
}

.newsletter-title {
  font-size: 3rem;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.newsletter-desc {
  font-size: 1.6rem;
  color: rgba(255, 255, 255, 0.8);
}

.newsletter-form {
  flex: 1;
  max-width: 50rem;
}

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-white);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-form .btn {
  background-color: var(--text-white);
  color: var(--primary-dark);
  font-weight: 700;
}

.newsletter-form .btn:hover {
  background-color: var(--text-light);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--darker-bg);
  color: var(--text-light);
  padding: 4rem 0 2rem;
  position: relative;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  flex: 1;
  max-width: 400px;
}

.footer-logo {
  margin-bottom: 1.5rem;
}

.footer-logo .logo-text {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.link-group {
  min-width: 120px;
}

.link-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.link-list {
  list-style: none;
}

.link-list li {
  margin-bottom: 0.8rem;
}

.link-list a {
  color: var(--text-muted);
  transition: color 0.3s ease;
  font-size: 1.3rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: var(--text-muted);
  font-size: 1.3rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  font-size: 1.4rem;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.3);
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  width: 4.5rem;
  height: 4.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 2rem;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ===== 搜索模态框 ===== */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 9, 26, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-modal-content {
  width: 100%;
  max-width: 70rem;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transform: translateY(-50px);
  transition: all 0.3s ease;
}

.search-modal.active .search-modal-content {
  transform: translateY(0);
}

.search-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.search-header h3 {
  font-size: 2rem;
  margin: 0;
}

.search-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.search-close:hover {
  color: var(--primary-light);
}

.search-body {
  padding: 2rem;
}

.search-form {
  margin-bottom: 2.5rem;
}

.search-tags h4 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.tag {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3rem;
  color: var(--text-muted);
  font-size: 1.4rem;
  transition: all 0.3s ease;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  html {
    font-size: 60%;
  }
  
  .footer-main {
    flex-direction: column;
    gap: 3rem;
  }
  
  .footer-links {
    gap: 3rem;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 58%;
  }
  
  .hero-title {
    font-size: 4.5rem;
  }
  
  .download-content,
  .about-content,
  .newsletter-content {
    flex-direction: column;
  }
  
  .download-image,
  .about-stats {
    margin-top: 4rem;
  }
  
  .download-image img {
    transform: none;
  }
  
  .download-image:hover img {
    transform: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  }
}

@media (max-width: 768px) {
  html {
    font-size: 56%;
  }
  
  .header {
    padding: 1.2rem 0;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 28rem;
    height: 100vh;
    background-color: var(--darker-bg);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .menu-list {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .menu-item {
    margin-right: 0;
    margin-bottom: 2.5rem;
    width: 100%;
  }
  
  .menu-item a {
    font-size: 1.8rem;
    display: block;
    width: 100%;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero {
    padding: 15rem 0 10rem;
  }
  
  .hero-title {
    font-size: 4rem;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .games-grid,
  .news-grid {
    grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
  }
  
  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }
  
  .footer-brand {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 54%;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .view-all {
    margin-top: 1rem;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .stat-item {
    padding: 2rem 1rem;
  }
  
  .newsletter-form,
  .newsletter-info {
    width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

/* ===== 关于页面样式 ===== */
.page-header {
  background: linear-gradient(to right, rgba(9, 9, 26, 0.8), rgba(15, 15, 27, 0.8)), url('../images/page-header-bg.jpg');
  background-size: cover;
  background-position: center;
  padding: 12rem 0 6rem;
  text-align: center;
  margin-bottom: 3rem;
}

.page-title {
  font-size: 4.2rem;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.6rem;
}

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

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

.separator {
  margin: 0 1rem;
  font-size: 1.2rem;
}

.current {
  color: var(--primary-light);
}

/* 公司简介 */
.company-intro {
  padding: 8rem 0;
}

.intro-content {
  display: flex;
  align-items: center;
  gap: 6rem;
}

.intro-info {
  flex: 1;
}

.intro-info p {
  margin-bottom: 2rem;
  font-size: 1.7rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.intro-image {
  flex: 1;
}

.intro-image img {
  width: 100%;
  border-radius: 1.2rem;
  box-shadow: var(--box-shadow);
}

/* 使命与愿景 */
.mission-vision {
  padding: 8rem 0;
  background-color: var(--card-bg);
}

.mission-vision-content {
  display: flex;
  gap: 3rem;
}

.mission-box,
.vision-box,
.values-box {
  flex: 1;
  background: linear-gradient(135deg, rgba(15, 15, 27, 0.5), rgba(9, 9, 26, 0.5));
  padding: 4rem 3rem;
  border-radius: 1.2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.mission-box:hover,
.vision-box:hover,
.values-box:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.box-icon {
  width: 10rem;
  height: 10rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 4rem;
  color: var(--text-white);
}

.mission-box h3,
.vision-box h3,
.values-box h3 {
  font-size: 2.4rem;
  margin-bottom: 2rem;
}

.mission-box p,
.vision-box p,
.values-box p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
}

/* 发展历程 */
.history {
  padding: 8rem 0;
}

.timeline {
  position: relative;
  max-width: 80rem;
  margin: 6rem auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
  position: relative;
  padding-left: 15rem;
  margin-bottom: 5rem;
}

.timeline-year {
  position: absolute;
  left: 0;
  top: 0;
  width: 15rem;
  height: 5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-white);
  border-radius: 0.8rem;
  box-shadow: var(--box-shadow);
}

.timeline-content {
  background-color: var(--card-bg);
  padding: 3rem;
  border-radius: 1.2rem;
  box-shadow: var(--box-shadow);
}

.timeline-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
}

/* 团队介绍 */
.team {
  padding: 8rem 0;
  background-color: var(--card-bg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
  gap: 3rem;
}

.team-member {
  background-color: var(--darker-bg);
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.team-member:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.member-image {
  height: 30rem;
  overflow: hidden;
}

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

.team-member:hover .member-image img {
  transform: scale(1.1);
}

.member-info {
  padding: 2.5rem;
  text-align: center;
}

.member-name {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
}

.member-position {
  color: var(--primary-light);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.member-desc {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.member-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.member-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.8rem;
  transition: all 0.3s ease;
}

.member-social a:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-white);
  transform: translateY(-5px);
}

/* 联系信息 */
.contact-info {
  padding: 8rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(25rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.contact-card {
  background-color: var(--card-bg);
  padding: 4rem 3rem;
  border-radius: 1.2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.contact-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 3.2rem;
  color: var(--text-white);
}

.contact-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.contact-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
}

/* 响应式样式 */
@media (max-width: 992px) {
  .intro-content,
  .mission-vision-content {
    flex-direction: column;
  }
  
  .intro-image {
    margin-top: 4rem;
  }
  
  .timeline-item {
    padding-left: 12rem;
  }
  
  .timeline-year {
    width: 10rem;
  }
  
  .timeline::before {
    left: 5rem;
  }
}

@media (max-width: 768px) {
  .page-title {
    font-size: 3.6rem;
  }
  
  .timeline-item {
    padding-left: 0;
    padding-top: 8rem;
  }
  
  .timeline-year {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .timeline::before {
    left: 50%;
  }
  
  .team-grid {
    grid-template-columns: repeat(auto-fill, minmax(24rem, 1fr));
  }
}

@media (max-width: 576px) {
  .team-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 常见问题解答样式 ===== */
.faq-section {
  padding: 8rem 0;
  background-color: var(--darker-bg);
  position: relative;
  overflow: hidden;
}

.faq-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -30%;
  width: 160%;
  height: 160%;
  background: radial-gradient(circle, rgba(253, 121, 168, 0.05) 0%, rgba(9, 9, 26, 0) 70%);
  z-index: 0;
}

.faq-section .container {
  position: relative;
  z-index: 1;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 120rem;
  margin: 0 auto;
  margin-top: 3rem;
}

.faq-item {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  margin-bottom: 0;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.4s ease;
  position: relative;
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.05) 0%, rgba(253, 121, 168, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.faq-item:hover::before {
  opacity: 1;
}

.faq-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--hover-shadow);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.faq-question {
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.faq-question h3 {
  font-size: 1.7rem;
  margin: 0;
  transition: color 0.3s ease;
}

.faq-icon {
  color: var(--primary-color);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-answer {
  padding: 0 2rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1.6;
  padding-bottom: 2rem;
  margin: 0;
}

.faq-item.active .faq-question {
  background-color: rgba(108, 92, 231, 0.1);
}

.faq-item.active .faq-question h3 {
  color: var(--primary-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-item.active .faq-answer {
  max-height: 30rem;
}

@media (max-width: 992px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-question h3 {
    font-size: 1.6rem;
  }
  
  .faq-answer p {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .faq-question {
    padding: 1.8rem;
  }
  
  .faq-question h3 {
    font-size: 1.5rem;
  }
  
  .faq-answer {
    padding: 0 1.8rem;
  }
  
  .faq-answer p {
    font-size: 1.4rem;
  }
}

/* ===== 用户真实评价样式 ===== */
.testimonials {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(15, 15, 27, 0.95), rgba(9, 9, 26, 0.98));
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, rgba(9, 9, 26, 0) 70%);
  z-index: 0;
}

.testimonials .container {
  position: relative;
  z-index: 1;
}

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

.testimonial-item {
  transition: transform 0.3s ease;
}

.testimonial-content {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 2rem;
  box-shadow: var(--box-shadow);
  position: relative;
  transition: all 0.4s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.testimonial-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(108, 92, 231, 0.1), transparent);
  transition: left 0.6s ease;
}

.testimonial-content:hover::before {
  left: 100%;
}

.testimonial-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--hover-shadow);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.testimonial-rating {
  margin-bottom: 1.5rem;
  display: flex;
  position: relative;
  z-index: 1;
}

.testimonial-rating i {
  color: #ffd700;
  font-size: 1.6rem;
  margin-right: 0.4rem;
}

.testimonial-text {
  font-size: 1.5rem;
  line-height: 1.6;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 2rem;
  position: relative;
  flex-grow: 1;
  z-index: 1;
}

.testimonial-text::before {
  content: '\201C';
  font-family: serif;
  font-size: 5rem;
  position: absolute;
  top: -1.5rem;
  left: -0.8rem;
  color: rgba(108, 92, 231, 0.1);
  z-index: -1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.author-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  overflow: hidden;
  margin-right: 1.2rem;
  border: 2px solid var(--primary-color);
  flex-shrink: 0;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
}

.author-title {
  font-size: 1.3rem;
  color: var(--primary-light);
  margin: 0;
}

@media (max-width: 992px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-content {
    padding: 1.8rem;
  }
  
  .testimonial-text {
    font-size: 1.4rem;
  }
  
  .author-avatar {
    width: 4.5rem;
    height: 4.5rem;
  }
  
  .author-name {
    font-size: 1.5rem;
  }
}

/* ===== 内页特定样式 ===== */

/* 通用内页样式 */
.overview-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-top: 3rem;
}

.overview-text {
  flex: 1;
}

.overview-text p {
  font-size: 1.7rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.overview-image {
  flex: 1;
}

.overview-image img {
  width: 100%;
  border-radius: 1.2rem;
  box-shadow: var(--box-shadow);
}

/* 支付方式卡片 */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.method-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
}

.method-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.method-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3.2rem;
  color: var(--text-white);
}

.method-card h3 {
  margin-bottom: 1.5rem;
  font-size: 2.2rem;
}

.method-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

/* 流程步骤 */
.process-steps {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
}

.step-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.step-number {
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-white);
  margin-right: 2rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.step-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

/* 会员订阅 */
.subscription-content {
  display: flex;
  gap: 4rem;
  margin-top: 4rem;
  align-items: flex-start;
}

.subscription-info {
  flex: 1;
}

.subscription-info h3 {
  font-size: 2.4rem;
  margin-bottom: 2rem;
}

.feature-list {
  margin-bottom: 3rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
  color: var(--text-muted);
}

.feature-list li i {
  color: var(--primary-light);
  margin-right: 1.5rem;
  margin-top: 0.3rem;
}

.subscription-plans {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.plan-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
  position: relative;
  border: 1px solid var(--border-color);
}

.plan-card.popular {
  border: 2px solid var(--primary-color);
  transform: scale(1.05);
}

.plan-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.plan-card.popular:hover {
  transform: translateY(-1rem) scale(1.05);
}

.plan-badge {
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-white);
  padding: 0.5rem 1.5rem;
  border-radius: 2rem;
  font-size: 1.4rem;
  font-weight: 600;
}

.plan-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.plan-price {
  margin-bottom: 1rem;
}

.price {
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--primary-light);
}

.period {
  font-size: 1.6rem;
  color: var(--text-muted);
}

.plan-savings {
  color: var(--text-muted);
  font-size: 1.4rem;
  margin-bottom: 2.5rem;
}

.btn-block {
  width: 100%;
}

/* 安全提示 */
.security-tips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(45rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.tip-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.tip-icon {
  width: 5rem;
  height: 5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--text-white);
  margin-right: 2rem;
  flex-shrink: 0;
}

.tip-content {
  flex: 1;
}

.tip-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tip-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

/* 常见问题FAQ */
.faq-list {
  margin-top: 4rem;
}

.faq-item {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  margin-bottom: 2rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--hover-shadow);
}

.faq-question {
  padding: 2.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question h3 {
  font-size: 2rem;
  margin-bottom: 0;
  transition: color 0.3s ease;
  flex: 1;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 1.8rem;
  transition: transform 0.3s ease;
}

.faq-answer {
  padding: 0 2.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
  padding-bottom: 2.5rem;
  margin-bottom: 0;
}

.faq-answer ul, 
.faq-answer ol {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.faq-answer ul li, 
.faq-answer ol li {
  margin-bottom: 1rem;
}

.faq-item.active .faq-question {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-item.active .faq-question h3 {
  color: var(--primary-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary-light);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding-top: 2.5rem;
}

/* 政策内容样式 */
.policy-content {
  padding: 6rem 0;
}

.policy-header {
  margin-bottom: 4rem;
}

.policy-date {
  color: var(--text-muted);
  font-size: 1.6rem;
  margin-bottom: 2rem;
}

.policy-intro {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 3rem;
}

.policy-section {
  margin-bottom: 4rem;
}

.policy-section h2 {
  font-size: 2.8rem;
  margin-bottom: 2rem;
  color: var(--text-white);
}

.policy-subsection {
  margin-bottom: 3rem;
}

.policy-subsection h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.policy-section p, 
.policy-subsection p {
  color: var(--text-muted);
  font-size: 1.7rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.policy-section ul, 
.policy-section ol {
  color: var(--text-muted);
  font-size: 1.7rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.policy-section ul li, 
.policy-section ol li {
  margin-bottom: 1rem;
}

/* 反馈表单 */
.form-container {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 4rem;
  box-shadow: var(--box-shadow);
}

.form-row {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.form-row .form-group {
  flex: 1;
}

.form-check {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.form-check-input {
  margin-right: 1rem;
  width: 1.8rem;
  height: 1.8rem;
}

.form-check-label {
  font-size: 1.6rem;
  color: var(--text-muted);
}

.form-text {
  font-size: 1.4rem;
  color: var(--text-dark);
  margin-top: 0.5rem;
  display: block;
}

.form-actions {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.form-control-file {
  background-color: transparent;
  padding: 1.2rem;
  border: 1px dashed var(--border-color);
  border-radius: 0.8rem;
  color: var(--text-muted);
  width: 100%;
  cursor: pointer;
}

/* 支持卡片 */
.support-options {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 4rem;
}

.support-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3.5rem;
  text-align: center;
  width: 28rem;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
}

.support-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.support-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 3.2rem;
  color: var(--text-white);
}

.support-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.support-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  margin-bottom: 2.5rem;
}

/* 合作卡片 */
.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.type-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
  display: flex;
  flex-direction: column;
}

.type-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.type-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 3.2rem;
  color: var(--text-white);
}

.type-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.type-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

/* 分类标签 */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.category-tab {
  background-color: var(--card-bg);
  border: none;
  border-radius: 3rem;
  padding: 1rem 2.5rem;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-tab:hover {
  background-color: rgba(108, 92, 231, 0.1);
  color: var(--primary-light);
}

.category-tab.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-white);
}

.category-content {
  display: none;
}

.category-content.active {
  display: block;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .overview-content {
    flex-direction: column;
  }
  
  .overview-image {
    margin-top: 2rem;
  }
  
  .subscription-content {
    flex-direction: column;
  }
  
  .subscription-plans {
    margin-top: 3rem;
  }
  
  .plan-card.popular {
    transform: scale(1);
  }
  
  .plan-card.popular:hover {
    transform: translateY(-1rem) scale(1);
  }
  
  .security-tips {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }
  
  .form-row {
    flex-direction: column;
    gap: 0;
  }
}

@media (max-width: 768px) {
  .methods-grid {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }
  
  .types-grid {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }
  
  .support-card {
    width: 100%;
  }
  
  .step-item {
    flex-direction: column;
  }
  
  .step-number {
    margin-bottom: 2rem;
    margin-right: 0;
  }
  
  .support-options {
    flex-direction: column;
    align-items: center;
  }
  
  .category-tabs {
    overflow-x: auto;
    padding-bottom: 1rem;
  }
  
  .form-container {
    padding: 2.5rem;
  }
}

/* 账户设置卡片 */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(30rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.setting-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.setting-card:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.setting-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  font-size: 3.2rem;
  color: var(--text-white);
}

.setting-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.setting-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.setting-options {
  list-style: none;
  text-align: left;
  margin-top: auto;
}

.setting-options li {
  color: var(--text-muted);
  font-size: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.setting-options li:last-child {
  border-bottom: none;
}

/* 安全提示卡片 */
.security-tips {
  margin-top: 4rem;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.tip-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.tip-icon {
  width: 5rem;
  height: 5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--text-white);
  margin-right: 2rem;
  flex-shrink: 0;
}

.tip-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tip-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

/* 会员订阅卡片增强 */
.plan-card {
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
  transform: rotate(45deg);
  z-index: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.plan-card:hover::before {
  opacity: 1;
}

.plan-card.popular::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 60px 60px 0;
  border-color: transparent var(--primary-color) transparent transparent;
  z-index: 1;
}

.plan-features {
  text-align: left;
  margin: 2.5rem 0;
}

.plan-features li {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.plan-features li i {
  color: var(--primary-light);
  margin-right: 1rem;
  flex-shrink: 0;
}

/* 反馈处理流程 */
.process-steps {
  margin-top: 4rem;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 2.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 5rem;
  transition: transform 0.3s ease;
}

.step-icon {
  width: 5rem;
  height: 5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--text-white);
  margin: 0 auto 1.5rem;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 10px var(--dark-bg);
}

.step-item h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.step-item p {
  color: var(--text-muted);
  font-size: 1.5rem;
}

.step-item:hover {
  transform: translateY(-1rem);
}

/* 合作优势 */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(45rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  transition: all 0.3s ease;
  box-shadow: var(--box-shadow);
}

.benefit-item:hover {
  transform: translateY(-1rem);
  box-shadow: var(--hover-shadow);
}

.benefit-icon {
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.6rem;
  color: var(--text-white);
  margin-right: 2.5rem;
  flex-shrink: 0;
}

.benefit-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.benefit-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.7;
}

/* 成功案例 */
.cases-grid {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.case-item {
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.case-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.case-logo {
  width: 15rem;
  height: 15rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin-right: 3rem;
  flex-shrink: 0;
}

.case-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.case-content h3 {
  font-size: 2.4rem;
  margin-bottom: 1.2rem;
  color: var(--primary-light);
}

.case-content p {
  color: var(--text-muted);
  font-size: 1.7rem;
  line-height: 1.7;
}

.partner-logos {
  margin-top: 6rem;
  text-align: center;
}

.partner-logos h3 {
  font-size: 2.4rem;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.partner-logos h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 6rem;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.logo-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 1.2rem;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 10rem;
  transition: all 0.3s ease;
}

.logo-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.logo-item img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  filter: grayscale(100%) brightness(0.8) contrast(0.8);
  transition: all 0.3s ease;
}

.logo-item:hover img {
  filter: grayscale(0) brightness(1) contrast(1);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .benefits-grid {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }
  
  .process-steps {
    display: flex;
    flex-direction: column;
    gap: 5rem;
  }
  
  .process-steps::before {
    display: none;
  }
  
  .step-icon {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    box-shadow: none;
    margin-bottom: 1.5rem;
  }
  
  .step-item {
    padding-top: 0;
  }
  
  .case-item {
    flex-direction: column;
    text-align: center;
  }
  
  .case-logo {
    margin-right: 0;
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .logos-grid {
    grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  }
  
  .settings-grid {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }
}

/* ===== 内页通用样式 ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 12rem 0 6rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/bg.webp') center/cover;
  opacity: 0.1;
  z-index: 1;
}

.page-title {
  font-size: 4.2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 1.4rem;
  color: var(--text-light);
  position: relative;
  z-index: 2;
}

.breadcrumb a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.breadcrumb .current {
  color: var(--text-white);
  font-weight: 500;
}

/* ===== 账户模块样式 ===== */
.account-overview {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.overview-content {
  margin-top: 4rem;
}

.overview-text p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.account-settings {
  padding: 8rem 0;
}

.setting-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.setting-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--primary-color);
}

.setting-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3rem;
  color: var(--text-white);
}

.setting-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.setting-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

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

.setting-options li {
  color: var(--text-light);
  font-size: 1.4rem;
  padding: 0.5rem 0;
  position: relative;
  padding-left: 2rem;
}

.setting-options li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.account-security {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.security-tips {
  margin-top: 4rem;
}

.tip-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
}

.tip-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.tip-icon {
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  font-size: 2.4rem;
  color: var(--text-white);
  flex-shrink: 0;
}

.tip-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.tip-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

.account-faq {
  padding: 8rem 0;
}

/* ===== 合作页面样式 ===== */
.cooperation-intro {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.intro-content {
  margin-top: 4rem;
}

.intro-text p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.cooperation-types {
  padding: 8rem 0;
}

.type-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  height: 100%;
}

.type-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--primary-color);
}

.type-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3rem;
  color: var(--text-white);
}

.type-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.type-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.cooperation-benefits {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  transition: all 0.3s ease;
}

.benefit-item:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.benefit-icon {
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2rem;
  font-size: 2.4rem;
  color: var(--text-white);
  flex-shrink: 0;
}

.benefit-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.benefit-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

.cooperation-process {
  padding: 8rem 0;
}

.process-timeline {
  margin-top: 4rem;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 3rem;
  left: 3rem;
  width: 2px;
  height: calc(100% - 6rem);
  background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
  position: relative;
  padding-left: 8rem;
  margin-bottom: 4rem;
}

.timeline-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 6rem;
  height: 6rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-white);
  z-index: 2;
}

.timeline-content {
  background-color: var(--card-bg);
  padding: 3rem;
  border-radius: 1.2rem;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
}

.timeline-content h3 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

.application-form-section {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.form-container {
  max-width: 80rem;
  margin: 0 auto;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 4rem;
  box-shadow: var(--box-shadow);
}

.application-form .form-group {
  margin-bottom: 2rem;
}

.application-form label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 500;
  color: var(--text-white);
  font-size: 1.6rem;
}

.application-form .form-control {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 0.8rem;
  background-color: var(--darker-bg);
  color: var(--text-light);
  font-size: 1.6rem;
  transition: all 0.3s ease;
}

.application-form .form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.application-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.application-form textarea.form-control {
  resize: vertical;
  min-height: 12rem;
}

.application-form .form-check {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.application-form .form-check-input {
  margin-top: 0.3rem;
}

.application-form .form-check-label {
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.application-form .form-check-label a {
  color: var(--primary-color);
  text-decoration: none;
}

.application-form .form-check-label a:hover {
  text-decoration: underline;
}

.form-actions {
  text-align: center;
  margin-top: 3rem;
}

/* ===== FAQ页面样式 ===== */
.faq-categories {
  padding: 4rem 0;
  background-color: var(--darker-bg);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.category-tab {
  padding: 1.2rem 2.4rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 2.5rem;
  color: var(--text-light);
  font-size: 1.6rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-tab:hover {
  background-color: var(--card-hover);
  border-color: var(--primary-color);
  color: var(--text-white);
}

.category-tab.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-color: var(--primary-color);
  color: var(--text-white);
}

.faq-section {
  padding: 8rem 0;
  display: none;
}

.faq-section.active {
  display: block;
}

.faq-item {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  margin-bottom: 2rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--hover-shadow);
}

.faq-question {
  padding: 2.5rem 3rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

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

.faq-question h3 {
  font-size: 1.8rem;
  color: var(--text-white);
  margin: 0;
}

.faq-icon {
  color: var(--primary-color);
  font-size: 1.6rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 3rem 2.5rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.faq-answer ul, .faq-answer ol {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

.faq-answer li {
  margin-bottom: 0.8rem;
}

/* ===== 反馈页面样式 ===== */
.feedback-intro {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.feedback-form-section {
  padding: 8rem 0;
}

.feedback-form .form-group {
  margin-bottom: 2rem;
}

.feedback-form label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 500;
  color: var(--text-white);
  font-size: 1.6rem;
}

.feedback-form .form-control {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 0.8rem;
  background-color: var(--darker-bg);
  color: var(--text-light);
  font-size: 1.6rem;
  transition: all 0.3s ease;
}

.feedback-form .form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.feedback-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feedback-form textarea.form-control {
  resize: vertical;
  min-height: 12rem;
}

.feedback-form .form-check {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feedback-form .form-check-input {
  margin-top: 0.3rem;
}

.feedback-form .form-check-label {
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.feedback-process {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.feedback-faq {
  padding: 8rem 0;
}

/* ===== 支付页面样式 ===== */
.payment-overview {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.payment-methods {
  padding: 8rem 0;
}

.method-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  height: 100%;
}

.method-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--primary-color);
}

.method-icon {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3rem;
  color: var(--text-white);
}

.method-card h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

.method-card p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

.payment-process {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.payment-faq {
  padding: 8rem 0;
}

.payment-security {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

/* ===== 政策页面样式 ===== */
.policy-content {
  padding: 8rem 0;
}

.policy-header {
  margin-bottom: 4rem;
  text-align: center;
}

.policy-date {
  color: var(--text-muted);
  font-size: 1.4rem;
  margin-bottom: 2rem;
}

.policy-intro p {
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.policy-section {
  margin-bottom: 4rem;
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  box-shadow: var(--box-shadow);
}

.policy-section h2 {
  font-size: 2.4rem;
  color: var(--text-white);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
}

.policy-section p {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.policy-section ul, .policy-section ol {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

.policy-section li {
  margin-bottom: 0.8rem;
}

.policy-subsection {
  margin-bottom: 2rem;
}

.policy-subsection h3 {
  font-size: 2rem;
  color: var(--text-white);
  margin-bottom: 1rem;
}

/* ===== 新增模块样式 ===== */
/* 创新科技展示 */
.innovation-showcase {
  padding: 8rem 0;
  background-color: var(--darker-bg);
}

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}

.innovation-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.innovation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-secondary);
}

.innovation-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--secondary-color);
}

.innovation-icon {
  width: 8rem;
  height: 8rem;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3rem;
  color: var(--text-white);
}

.innovation-title {
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.innovation-desc {
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1.6;
}

/* 平台数据展示 */
.stats-showcase {
  padding: 8rem 0;
  background-color: var(--dark-bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.stat-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.stat-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--primary-color);
}

.stat-icon {
  width: 8rem;
  height: 8rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 3rem;
  color: var(--text-white);
}

.stat-number {
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.stat-desc {
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1.5;
}

/* 游戏展示区 */
.game-showcase {
  padding: 8rem 0;
}

.game-categories {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 4rem 0;
  flex-wrap: wrap;
}

.game-categories .category-tab {
  padding: 1.2rem 2.4rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 2.5rem;
  color: var(--text-light);
  font-size: 1.6rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.game-categories .category-tab:hover {
  background-color: var(--card-hover);
  border-color: var(--primary-color);
  color: var(--text-white);
}

.game-categories .category-tab.active {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  color: var(--text-white);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.game-card {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.game-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--hover-shadow);
  border-color: var(--primary-color);
}

.game-image {
  position: relative;
  height: 20rem;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-placeholder {
  font-size: 6rem;
  color: var(--text-white);
  opacity: 0.8;
}

.game-overlay {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.game-rating {
  background-color: rgba(0, 0, 0, 0.7);
  padding: 0.5rem 1rem;
  border-radius: 1.5rem;
  color: var(--text-white);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.game-rating i {
  color: #ffd700;
}

.game-info {
  padding: 2rem;
}

.game-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.8rem;
}

.game-desc {
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.game-tags {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.game-tags .tag {
  background-color: var(--darker-bg);
  color: var(--text-light);
  padding: 0.4rem 1rem;
  border-radius: 1rem;
  font-size: 1.2rem;
  border: 1px solid var(--border-color);
}

.showcase-actions {
  text-align: center;
  margin-top: 4rem;
}

/* 行动召唤区 */
.cta-section {
  padding: 8rem 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../images/bg.webp') center/cover;
  opacity: 0.1;
  z-index: 1;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 2rem;
}

.cta-subtitle {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 4rem;
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-white);
  font-size: 1.6rem;
}

.cta-feature i {
  color: var(--secondary-color);
  font-size: 2rem;
}

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

/* ===== 响应式设计 - 内页 ===== */
@media (max-width: 768px) {
  .page-header {
    padding: 8rem 0 4rem;
  }
  
  .page-title {
    font-size: 3.2rem;
  }
  
  .breadcrumb {
    font-size: 1.2rem;
  }
  
  .account-overview,
  .account-settings,
  .account-security,
  .account-faq,
  .cooperation-intro,
  .cooperation-types,
  .cooperation-benefits,
  .cooperation-process,
  .application-form-section,
  .faq-categories,
  .faq-section,
  .feedback-intro,
  .feedback-form-section,
  .feedback-process,
  .feedback-faq,
  .payment-overview,
  .payment-methods,
  .payment-process,
  .payment-faq,
  .payment-security,
  .policy-content {
    padding: 6rem 0;
  }
  
  .settings-grid,
  .types-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .setting-card,
  .type-card,
  .method-card {
    padding: 2rem;
  }
  
  .setting-icon,
  .type-icon,
  .method-icon {
    width: 6rem;
    height: 6rem;
    font-size: 2.4rem;
  }
  
  .tip-item,
  .benefit-item {
    flex-direction: column;
    text-align: center;
  }
  
  .tip-icon,
  .benefit-icon {
    margin-right: 0;
    margin-bottom: 2rem;
  }
  
  .process-timeline::before {
    display: none;
  }
  
  .timeline-item {
    padding-left: 0;
    text-align: center;
  }
  
  .timeline-number {
    position: relative;
    margin: 0 auto 2rem;
  }
  
  .category-tabs {
    flex-direction: column;
    align-items: center;
  }
  
  .category-tab {
    width: 100%;
    max-width: 30rem;
    text-align: center;
  }
  
  .form-container {
    padding: 2rem;
  }
  
  .application-form .form-row,
  .feedback-form .form-row {
    grid-template-columns: 1fr;
  }
  
  .faq-question {
    padding: 2rem;
  }
  
  .faq-answer {
    padding: 0 2rem 2rem;
  }
  
  .policy-section {
    padding: 2rem;
  }
  
  .policy-section h2 {
    font-size: 2rem;
  }
  
  .policy-section p,
  .policy-section ul,
  .policy-section ol {
    font-size: 1.4rem;
  }
  
  /* 新增模块响应式 */
  .innovation-showcase,
  .stats-showcase,
  .game-showcase,
  .cta-section {
    padding: 6rem 0;
  }
  
  .innovation-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .innovation-card {
    padding: 2rem;
  }
  
  .innovation-icon {
    width: 6rem;
    height: 6rem;
    font-size: 2.4rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
    gap: 2rem;
  }
  
  .stat-card {
    padding: 2rem;
  }
  
  .stat-icon {
    width: 6rem;
    height: 6rem;
    font-size: 2.4rem;
  }
  
  .stat-number {
    font-size: 3rem;
  }
  
  .game-categories {
    flex-direction: column;
    align-items: center;
  }
  
  .game-categories .category-tab {
    width: 100%;
    max-width: 30rem;
    text-align: center;
  }
  
  .games-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .game-image {
    height: 15rem;
  }
  
  .game-placeholder {
    font-size: 4rem;
  }
  
  .game-info {
    padding: 1.5rem;
  }
  
  .cta-title {
    font-size: 3rem;
  }
  
  .cta-subtitle {
    font-size: 1.6rem;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-features {
    flex-direction: column;
    gap: 2rem;
  }
}

.auth-container {
  display: flex;
  min-height: 80vh;
  padding: 6rem 0;
}

.auth-content {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  border-radius: 1.6rem;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  background-color: var(--card-bg);
}

.auth-form-container {
  flex: 1;
  padding: 4rem;
  background-color: var(--card-bg);
}

.auth-image {
  flex: 1;
  background-color: var(--primary-dark);
  background-image: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4rem;
  position: relative;
  overflow: hidden;
}

.auth-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/auth-pattern.png');
  background-size: cover;
  opacity: 0.1;
  z-index: 1;
}

.auth-image-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.auth-image-content h2 {
  font-size: 3.2rem;
  color: var(--text-white);
  margin-bottom: 2rem;
}

.auth-image-content p {
  color: var(--text-light);
  margin-bottom: 3rem;
  font-size: 1.8rem;
}

.auth-header {
  margin-bottom: 3rem;
  text-align: center;
}

.auth-title {
  font-size: 3rem;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 1.6rem;
}

.auth-form .form-group {
  margin-bottom: 2.4rem;
}

.auth-form .form-label {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--text-light);
  font-size: 1.6rem;
  font-weight: 500;
}

.auth-form .form-control {
  height: 5.2rem;
  border-radius: 0.8rem;
  border: 1px solid var(--border-color);
  padding: 0 1.6rem;
  background-color: rgba(26, 26, 46, 0.8);
  color: var(--text-white);
  transition: all 0.3s ease;
}

.auth-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.auth-form .btn {
  width: 100%;
  height: 5.2rem;
  font-size: 1.8rem;
  margin-top: 1rem;
}

.auth-form .form-check {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.auth-form .form-check-input {
  margin-right: 1rem;
  width: 1.8rem;
  height: 1.8rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.4rem;
  cursor: pointer;
}

.auth-form .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.auth-form .form-check-label {
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

.auth-footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1.5rem;
}

.auth-footer a {
  color: var(--primary-light);
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: 2.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

.auth-divider span {
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 1.4rem;
}

.social-auth {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.social-auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: var(--darker-bg);
  color: var(--text-white);
  font-size: 2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.social-auth-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.social-auth-btn.google:hover {
  background-color: #DB4437;
  border-color: #DB4437;
}

.social-auth-btn.facebook:hover {
  background-color: #4267B2;
  border-color: #4267B2;
}

.social-auth-btn.twitter:hover {
  background-color: #1DA1F2;
  border-color: #1DA1F2;
}

.social-auth-btn.qq:hover {
  background-color: #12B7F5;
  border-color: #12B7F5;
}

.social-auth-btn.weixin:hover {
  background-color: #07C160;
  border-color: #07C160;
}

.forgot-password {
  display: block;
  text-align: right;
  color: var(--text-muted);
  font-size: 1.4rem;
  margin-top: -1.5rem;
  margin-bottom: 2rem;
}

.forgot-password:hover {
  color: var(--primary-light);
}

/* 账户管理仪表板样式 */
.account-dashboard {
  padding: 4rem 0;
}

.dashboard-container {
  display: grid;
  grid-template-columns: 28rem 1fr;
  gap: 3rem;
}

.dashboard-sidebar {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 2.4rem;
  position: sticky;
  top: 10rem;
  height: fit-content;
  box-shadow: var(--box-shadow);
}

.user-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 2.4rem;
  margin-bottom: 2.4rem;
  border-bottom: 1px solid var(--border-color);
}

.profile-avatar {
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.6rem;
  position: relative;
  border: 3px solid var(--primary-color);
  box-shadow: 0 5px 15px rgba(108, 92, 231, 0.2);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-avatar:hover .avatar-overlay {
  opacity: 1;
}

.avatar-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(108, 92, 231, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: pointer;
}

.avatar-overlay i {
  color: var(--text-white);
  font-size: 2.4rem;
}

.profile-name {
  font-size: 2rem;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.profile-level {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 10rem;
  color: var(--text-white);
  font-size: 1.2rem;
  font-weight: 600;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu-item {
  margin-bottom: 0.8rem;
}

.sidebar-menu-link {
  display: flex;
  align-items: center;
  padding: 1.2rem 1.6rem;
  border-radius: 0.8rem;
  color: var(--text-light);
  transition: all 0.3s ease;
  font-weight: 500;
}

.sidebar-menu-link i {
  font-size: 1.8rem;
  margin-right: 1.5rem;
  width: 2.4rem;
  text-align: center;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.sidebar-menu-link:hover,
.sidebar-menu-link.active {
  background-color: var(--card-hover);
  color: var(--text-white);
}

.sidebar-menu-link:hover i,
.sidebar-menu-link.active i {
  color: var(--primary-color);
}

.sidebar-menu-link.logout {
  margin-top: 2rem;
  background-color: rgba(255, 59, 48, 0.1);
  color: #ff3b30;
}

.sidebar-menu-link.logout i {
  color: #ff3b30;
}

.sidebar-menu-link.logout:hover {
  background-color: rgba(255, 59, 48, 0.2);
}

.dashboard-content {
  background-color: var(--card-bg);
  border-radius: 1.2rem;
  padding: 3rem;
  box-shadow: var(--box-shadow);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.dashboard-title {
  font-size: 2.6rem;
  color: var(--text-white);
}

.dashboard-subtitle {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.dashboard-filters {
  display: flex;
  gap: 1.5rem;
}

.filter-btn {
  padding: 1rem 1.6rem;
  background-color: var(--card-hover);
  border: none;
  border-radius: 0.8rem;
  color: var(--text-light);
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.account-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.stat-card {
  background-color: var(--darker-bg);
  padding: 2rem;
  border-radius: 1rem;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--hover-shadow);
}

.stat-card-icon {
  width: 5rem;
  height: 5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2.4rem;
}

.stat-card:nth-child(1) .stat-card-icon {
  background-color: rgba(108, 92, 231, 0.2);
  color: var(--primary-color);
}

.stat-card:nth-child(2) .stat-card-icon {
  background-color: rgba(253, 121, 168, 0.2);
  color: var(--secondary-color);
}

.stat-card:nth-child(3) .stat-card-icon {
  background-color: rgba(46, 213, 115, 0.2);
  color: #2ed573;
}

.stat-card:nth-child(4) .stat-card-icon {
  background-color: rgba(255, 159, 67, 0.2);
  color: #ff9f43;
}

.stat-card-value {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.stat-card-label {
  color: var(--text-muted);
  font-size: 1.4rem;
}

.account-tab-content {
  display: none;
}

.account-tab-content.active {
  display: block;
}

/* 账户表单样式 */
.account-form .form-group {
  margin-bottom: 2.5rem;
}

.account-form .form-row {
  display: flex;
  gap: 2rem;
}

.account-form .form-row .form-group {
  flex: 1;
}

.account-form .form-label {
  display: block;
  margin-bottom: 1rem;
  color: var(--text-light);
  font-weight: 500;
}

.account-form .form-control {
  width: 100%;
  padding: 1.4rem 1.6rem;
  background-color: var(--darker-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.8rem;
  color: var(--text-white);
  transition: all 0.3s ease;
}

.account-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.account-form .form-actions {
  margin-top: 3rem;
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
}

/* 响应式适配 */
@media (max-width: 992px) {
  .auth-content {
    flex-direction: column;
  }
  
  .auth-image {
    display: none;
  }
  
  .dashboard-container {
    grid-template-columns: 1fr;
  }
  
  .dashboard-sidebar {
    position: static;
    margin-bottom: 2rem;
  }
  
  .account-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .auth-form-container {
    padding: 3rem 2rem;
  }
  
  .account-form .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .dashboard-filters {
    margin-top: 2rem;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 1rem;
  }
  
  .dashboard-content {
    padding: 2rem;
  }
}

@media (max-width: 576px) {
  .account-stats {
    grid-template-columns: 1fr;
  }
  
  .auth-title {
    font-size: 2.4rem;
  }
  
  .auth-subtitle {
    font-size: 1.4rem;
  }
  
  .social-auth {
    flex-wrap: wrap;
  }
}

/* 内页模块间距增强 */
section {
  margin-bottom: 50px;
}