/* 移动端优化样式文件 */
/* 适用于所有页面的移动端优化 */

/* 基础移动端优化 */
* {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* 允许文本选择 */
p, h1, h2, h3, h4, h5, h6, span, a, li, td, th, label, input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* 移动端字体优化 */
@media (max-width: 768px) {
  body {
    font-size: 16px; /* 防止iOS缩放 */
    line-height: 1.5;
  }
  
  input, textarea, select {
    font-size: 16px; /* 防止iOS缩放 */
  }
  
  /* 移动端文字完整显示 - 允许换行，不显示省略号 */
  body, div, p, h1, h2, h3, h4, h5, h6, span, a, li, td, th, label, button {
    white-space: normal !important;
    text-overflow: clip !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
  }
  
  /* 保持合理的文字断行 */
  p, .description, .content-text, .card-text {
    word-break: break-word !important;
    hyphens: auto !important;
  }
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
  /* 增加触摸目标大小 */
  .nav-links a,
  .btn,
  .card,
  .coach-card,
  .camp-card {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* 触摸反馈 */
  .nav-links a:active,
  .btn:active,
  .card:active,
  .coach-card:active,
  .camp-card:active {
    opacity: 0.7;
    transform: scale(0.98);
  }
  
  /* 移除hover效果 */
  .nav-links a:hover::after,
  .btn:hover,
  .card:hover,
  .coach-card:hover,
  .camp-card:hover {
    transform: none;
    box-shadow: none;
  }
}

/* 移动端滚动优化 */
@media (max-width: 768px) {
  html {
    scroll-behavior: smooth;
  }
  
  /* 优化滚动性能 */
  .hero,
  .cards-section,
  .gallery-grid,
  .coaches-list,
  .camp-section {
    will-change: transform;
    transform: translateZ(0);
  }
}

/* 移动端图片优化 */
@media (max-width: 768px) {
  img {
    max-width: 100%;
    height: auto;
  }
  
  .hero-bg {
    background-attachment: scroll; /* 移动端禁用视差效果 */
  }
  
  /* 防止移动端背景图单独滑动 */
  .hero-background-slider,
  .heroBackgroundSwiper,
  .background-slide,
  .background-slide img {
    touch-action: none !important;
    -webkit-user-drag: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    pointer-events: none !important;
  }
  
  /* 确保整个英雄区域不会产生意外的滑动 */
  .hero-section {
    touch-action: pan-y !important; /* 只允许垂直滑动 */
    overflow: hidden !important;
  }
}

/* 移动端表单优化 */
@media (max-width: 768px) {
  input, textarea, select {
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #ddd;
    width: 100%;
    box-sizing: border-box;
  }
  
  input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--main-orange);
    box-shadow: 0 0 0 2px rgba(255, 102, 0, 0.2);
  }
  
  button {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-size: 16px;
    cursor: pointer;
  }
}

/* 移动端导航优化 */
@media (max-width: 768px) {
  .navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .nav-links {
    gap: 0.5rem;
  }
  
  .nav-links a {
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
  }
  
  .nav-links a:active {
    background-color: rgba(255, 255, 255, 0.1);
  }
}

/* 移动端卡片优化 */
@media (max-width: 768px) {
  .card,
  .coach-card,
  .camp-card {
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  .card:active,
  .coach-card:active,
  .camp-card:active {
    transform: scale(0.98);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  }
}

/* 移动端按钮优化 */
@media (max-width: 768px) {
  .btn {
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    display: inline-block;
    min-height: 48px;
    line-height: 1.2;
  }
  
  .btn:active {
    transform: scale(0.98);
  }
}

/* 移动端间距优化 */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 0 16px;
  }
  
  .cards-section,
  .gallery-grid,
  .coaches-list,
  .camp-section {
    padding: 0 16px;
  }
}

/* 移动端字体大小优化 */
@media (max-width: 480px) {
  h1 { font-size: 1.8rem !important; }
  h2 { font-size: 1.5rem !important; }
  h3 { font-size: 1.3rem !important; }
  h4 { font-size: 1.1rem !important; }
  h5 { font-size: 1rem !important; }
  h6 { font-size: 0.9rem !important; }
  
  p { font-size: 0.95rem !important; }
  .btn { font-size: 0.95rem !important; }
}

/* 首页标题专用响应式字体大小 - 只影响首页，不影响其他页面 */
@media (max-width: 768px) {
  .hero-content .hero-left h1 {
    font-size: clamp(2.0rem, 4.0vw, 3.5rem) !important;
    white-space: nowrap !important;
    overflow: visible !important;
    text-overflow: clip !important;
    word-wrap: normal !important;
    overflow-wrap: normal !important;
    max-width: none !important;
  }
}

@media (max-width: 600px) {
  .hero-content .hero-left h1 {
    font-size: clamp(1.8rem, 3.5vw, 3.2rem) !important;
  }
}

@media (max-width: 480px) {
  .hero-content .hero-left h1 {
    font-size: clamp(1.5rem, 3.0vw, 2.8rem) !important;
  }
}

@media (max-width: 360px) {
  .hero-content .hero-left h1 {
    font-size: clamp(1.3rem, 2.8vw, 2.6rem) !important;
  }
}

@media (max-width: 320px) {
  .hero-content .hero-left h1 {
    font-size: clamp(1.0rem, 2.4vw, 2.3rem) !important;
  }
}

/* 移动端性能优化 */
@media (max-width: 768px) {
  /* 减少动画复杂度 */
  .hero-bg {
    transition: none;
  }
  
  .swiper-slide:hover .hero-bg {
    transform: none;
    filter: none;
  }
  
  /* 优化阴影 */
  .card,
  .coach-card,
  .camp-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
}

/* 移动端无障碍优化 */
@media (max-width: 768px) {
  /* 增加焦点指示器 */
  a:focus,
  button:focus,
  input:focus,
  textarea:focus,
  select:focus {
    outline: 2px solid var(--main-orange);
    outline-offset: 2px;
  }
  
  /* 增加对比度 */
  .nav-links a {
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  }
  
  .hero-content h1,
  .hero-content p {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
  }
}

/* 移动端横屏优化 */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: 0 20px;
  }
  
  .hero-content h1 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
  }
  
  .hero-content p {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
  }
  
  .navbar {
    height: 48px;
  }
  
  .nav-container {
    height: 48px;
  }
}

/* 移动端深色模式优化 */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
  .navbar {
    background: rgba(0, 51, 102, 0.95);
    backdrop-filter: blur(20px);
  }
  
  .card,
  .coach-card,
  .camp-card {
    background: #2a2a2a;
    border-color: #444;
  }
  
  input, textarea, select {
    background: #333;
    color: #fff;
    border-color: #555;
  }
}

/* 移动端加载优化 */
@media (max-width: 768px) {
  /* 预加载关键资源 */
  .hero-bg {
    background-size: cover;
    background-position: center;
  }
  
  /* 优化图片加载 */
  img {
    loading: lazy;
  }
  
  /* 关键图片立即加载 */
  .hero-bg,
  .logo img {
    loading: eager;
  }
}

/* 移动端错误处理 */
@media (max-width: 768px) {
  /* 图片加载失败时的样式 */
  img:not([src]),
  img[src=""],
  img[src*="data:image/svg+xml"] {
    background: #f0f0f0;
    border: 1px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 12px;
  }
  
  img:not([src])::after,
  img[src=""]::after,
  img[src*="data:image/svg+xml"]::after {
    content: "图片加载失败";
  }
}