/* ============================================
   style.css — 爱游戏 (AYX) 官方网站
   生成日期: 2025-06-20
   版本: 1.0
   ============================================ */

/* ============================================
   1. 基础重置与全局变量
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* 主色调 */
  --primary: #1a1a2e;
  --accent: #ffd700;
  --accent2: #e94560;
  --grad1: #16213e;
  --grad2: #0f3460;
  
  /* 玻璃效果 & 阴影 */
  --glass: rgba(255, 255, 255, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.15);
  
  /* 尺寸 */
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --radius-full: 50px;
  
  /* 过渡 */
  --transition: all 0.3s ease;
  --transition-slow: all 0.6s ease;
  
  /* 字体 */
  --font-base: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  
  /* 暗色模式变量 (亮色为默认) */
  --bg-body: #f8f9fa;
  --text-body: #1a1a2e;
  --text-muted: #666;
  --text-muted-dark: #999;
  --card-bg: var(--glass);
  --card-border: rgba(255, 255, 255, 0.1);
  --faq-border: rgba(0, 0, 0, 0.1);
  --placeholder-bg: linear-gradient(135deg, #e0e0e0, #c0c0c0);
  --placeholder-color: #999;
  --team-placeholder-bg: linear-gradient(135deg, #e0e0e0, #c0c0c0);
  --team-placeholder-color: #999;
  --hero-text: #fff;
  --hero-text-secondary: rgba(255, 255, 255, 0.8);
  --header-bg: rgba(26, 26, 46, 0.9);
  --footer-bg: #1a1a2e;
  --footer-text: rgba(255, 255, 255, 0.7);
  --footer-text-secondary: rgba(255, 255, 255, 0.6);
  --footer-border: rgba(255, 255, 255, 0.1);
  --nav-link: rgba(255, 255, 255, 0.8);
  --search-bg: var(--glass);
  --search-border: rgba(255, 255, 255, 0.2);
  --breadcrumb-color: #999;
  --breadcrumb-span: #666;
  --stat-bg: linear-gradient(135deg, var(--grad1), var(--grad2));
  --stat-text: #fff;
  --stat-label: rgba(255, 255, 255, 0.8);
  --partner-bg: var(--glass);
  --partner-border: rgba(255, 255, 255, 0.1);
  --partner-hover-bg: rgba(255, 215, 0, 0.1);
  --testimonial-text: inherit;
  --news-date: #999;
  --news-text: #666;
  --faq-answer-color: #555;
  --contact-bg: var(--glass);
  --howto-card-text: inherit;
  --scroll-top-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
  --scroll-top-shadow-hover: 0 8px 24px rgba(255, 215, 0, 0.6);
  --btn-primary-text: #1a1a2e;
  --btn-primary-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
  --btn-outline-text: var(--accent);
  --btn-outline-hover-text: #1a1a2e;
  --section-alt-bg: var(--glass);
  --hero-glow: rgba(255, 215, 0, 0.08);
  --hero-overlay: transparent;
}

/* 暗色模式覆盖 */
body.dark {
  --bg-body: #0f0f1a;
  --text-body: #e0e0e0;
  --text-muted: #aaa;
  --text-muted-dark: #666;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.05);
  --faq-border: rgba(255, 255, 255, 0.1);
  --placeholder-bg: linear-gradient(135deg, #2a2a3e, #1a1a2e);
  --placeholder-color: #666;
  --team-placeholder-bg: linear-gradient(135deg, #2a2a3e, #1a1a2e);
  --team-placeholder-color: #666;
  --hero-text: #fff;
  --hero-text-secondary: rgba(255, 255, 255, 0.8);
  --header-bg: rgba(15, 15, 26, 0.95);
  --footer-bg: #0a0a12;
  --footer-text: rgba(255, 255, 255, 0.7);
  --footer-text-secondary: rgba(255, 255, 255, 0.6);
  --footer-border: rgba(255, 255, 255, 0.1);
  --nav-link: rgba(255, 255, 255, 0.8);
  --search-bg: rgba(0, 0, 0, 0.3);
  --search-border: rgba(255, 255, 255, 0.2);
  --breadcrumb-color: #999;
  --breadcrumb-span: #666;
  --stat-bg: linear-gradient(135deg, #1a1a2e, #0f0f1a);
  --stat-text: #fff;
  --stat-label: rgba(255, 255, 255, 0.8);
  --partner-bg: rgba(0, 0, 0, 0.3);
  --partner-border: rgba(255, 255, 255, 0.1);
  --partner-hover-bg: rgba(255, 215, 0, 0.1);
  --testimonial-text: inherit;
  --news-date: #999;
  --news-text: #aaa;
  --faq-answer-color: #bbb;
  --contact-bg: rgba(0, 0, 0, 0.3);
  --howto-card-text: inherit;
  --scroll-top-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
  --scroll-top-shadow-hover: 0 8px 24px rgba(255, 215, 0, 0.6);
  --btn-primary-text: #1a1a2e;
  --btn-primary-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
  --btn-outline-text: var(--accent);
  --btn-outline-hover-text: #1a1a2e;
  --section-alt-bg: rgba(0, 0, 0, 0.3);
  --hero-glow: rgba(255, 215, 0, 0.08);
  --hero-overlay: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   2. 工具类
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   3. 按钮
   ============================================ */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
}

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

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

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

.btn-outline:hover {
  background: var(--accent);
  color: var(--btn-outline-hover-text);
}

.btn-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 12px;
  transition: var(--transition);
}

.btn-link:hover {
  text-decoration: underline;
  opacity: 0.9;
}

/* ============================================
   4. 区块通用
   ============================================ */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-align: center;
  position: relative;
  line-height: 1.2;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

body.dark .section-subtitle {
  color: var(--text-muted);
}

/* ============================================
   5. 卡片
   ============================================ */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--card-border);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* ============================================
   6. 网格布局
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 24px;
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 48px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}

/* ============================================
   7. Header 导航
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
}

.logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav a {
  color: var(--nav-link);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

nav a:hover,
nav a.active {
  color: var(--accent);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.dark-toggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition);
  line-height: 1;
}

.dark-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
  }
  
  nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  nav a {
    font-size: 1.1rem;
  }
}

/* ============================================
   8. Hero 主视觉
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--grad1), var(--grad2));
  color: var(--hero-text);
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, var(--hero-glow), transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(10%, 10%);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.4rem;
  }
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--hero-text-secondary);
  margin-bottom: 32px;
  max-width: 540px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
}

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

@media (max-width: 768px) {
  .hero-buttons {
    justify-content: center;
  }
}

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

.hero-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.hero-card .icon {
  font-size: 4rem;
  margin-bottom: 16px;
  line-height: 1;
}

.hero-card h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  color: var(--hero-text);
}

.hero-card p {
  color: var(--hero-text-secondary);
}

.hero-card .btn {
  margin-top: 24px;
}

/* ============================================
   9. Banner 轮播
   ============================================ */
.banner-carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  min-height: 280px;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px;
}

.banner-slide.active {
  opacity: 1;
  position: relative;
}

.banner-dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}

.banner-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.banner-dots button.active {
  background: var(--accent);
  width: 32px;
  border-radius: 6px;
}

/* ============================================
   10. 介绍模块
   ============================================ */
.intro .card {
  text-align: center;
}

.intro .card .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  line-height: 1;
}

/* ============================================
   11. 数据展示
   ============================================ */
.stats {
  background: var(--stat-bg);
  color: var(--stat-text);
  text-align: center;
}

.stats .grid-4 .stat-item {
  padding: 24px;
}

.stat-item .number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  display: block;
  line-height: 1.2;
}

.stat-item .label {
  font-size: 1rem;
  color: var(--stat-label);
  margin-top: 8px;
  display: block;
}

/* ============================================
   12. 团队
   ============================================ */
.team-card {
  text-align: center;
}

.team-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
  border: 4px solid var(--accent);
}

.team-card h4 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.team-card .role {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  display: block;
}

.team-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

body.dark .team-card p {
  color: var(--text-muted);
}

.team-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--team-placeholder-bg);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--team-placeholder-color);
}

/* ============================================
   13. FAQ
   ============================================ */
.faq-item {
  border-bottom: 1px solid var(--faq-border);
  padding: 16px 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 8px 0;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: inherit;
  font-family: inherit;
  transition: var(--transition);
}

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

.faq-question .arrow {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 8px;
  color: var(--faq-answer-color);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 12px 8px 16px;
}

/* ============================================
   14. 合作伙伴
   ============================================ */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  padding: 24px 0;
}

.partner-item {
  background: var(--partner-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  padding: 20px 32px;
  border: 1px solid var(--partner-border);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  color: var(--text-body);
}

.partner-item:hover {
  transform: scale(1.05);
  background: var(--partner-hover-bg);
}

/* ============================================
   15. 新闻
   ============================================ */
.news-card .date {
  font-size: 0.85rem;
  color: var(--news-date);
  margin-bottom: 8px;
  display: block;
}

.news-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-card p {
  font-size: 0.95rem;
  color: var(--news-text);
  line-height: 1.6;
}

body.dark .news-card p {
  color: var(--news-text);
}

/* ============================================
   16. 联系
   ============================================ */
.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .contact-info {
    grid-template-columns: 1fr;
  }
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--contact-bg);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.contact-item .icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

/* ============================================
   17. Footer
   ============================================ */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-grid a {
  display: block;
  color: var(--footer-text-secondary);
  text-decoration: none;
  margin-bottom: 8px;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--footer-border);
  font-size: 0.85rem;
  color: var(--footer-text);
}

.footer-bottom a {
  color: var(--accent);
  text-decoration: none;
}

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

/* ============================================
   18. 返回顶部
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  color: #1a1a2e;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--scroll-top-shadow);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  z-index: 999;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--scroll-top-shadow-hover);
}

/* ============================================
   19. 搜索
   ============================================ */
.search-box {
  display: flex;
  gap: 8px;
  max-width: 500px;
  margin: 0 auto 48px;
}

.search-box input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-full);
  border: 2px solid var(--search-border);
  background: var(--search-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 1rem;
  color: inherit;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.search-box input::placeholder {
  color: var(--text-muted-dark);
}

.search-box button {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: #1a1a2e;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  font-size: 1rem;
  white-space: nowrap;
}

.search-box button:hover {
  background: #e6c200;
}

/* ============================================
   20. 动画
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   21. 图片占位
   ============================================ */
.img-placeholder {
  width: 100%;
  height: 200px;
  background: var(--placeholder-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--placeholder-color);
}

/* ============================================
   22. 面包屑
   ============================================ */
.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--breadcrumb-color);
  padding: 16px 0;
  flex-wrap: wrap;
  align-items: center;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--breadcrumb-span);
}

/* ============================================
   23. 隐私等法律链接
   ============================================ */
.legal-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.legal-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.legal-links a:hover {
  color: var(--accent);
}

/* ============================================
   24. 无障碍焦点样式
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   25. 产品/优势/解决方案等卡片内联链接
   ============================================ */
.card .btn-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 12px;
  transition: var(--transition);
}

.card .btn-link:hover {
  text-decoration: underline;
  opacity: 0.9;
}

/* ============================================
   26. 客户评价模块
   ============================================ */
#testimonials .card p {
  font-style: italic;
  line-height: 1.6;
}

#testimonials .card div {
  margin-top: 16px;
  font-weight: 600;
}

/* ============================================
   27. 使用指南步骤
   ============================================ */
#howto .card {
  text-align: center;
}

#howto .card div:first-child {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 16px;
}

/* ============================================
   28. 搜索结果显示
   ============================================ */
#searchResults {
  text-align: center;
  display: none;
  color: var(--text-muted);
  padding: 16px;
  line-height: 1.8;
}

/* ============================================
   29. 轮播内按钮无障碍
   ============================================ */
.banner-dots button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   30. 移动端适配增强
   ============================================ */
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .stat-item .number {
    font-size: 2.2rem;
  }
  
  .partner-item {
    padding: 14px 20px;
    font-size: 0.95rem;
  }
  
  .search-box {
    flex-direction: column;
  }
  
  .search-box button {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ============================================
   31. 打印样式 (可选)
   ============================================ */
@media print {
  header,
  footer,
  .scroll-top,
  .menu-toggle,
  .dark-toggle,
  .banner-carousel,
  #search {
    display: none !important;
  }
  
  body {
    background: #fff;
    color: #000;
  }
  
  .section {
    padding: 20px 0;
    page-break-inside: avoid;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    background: #fff;
  }
}