/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  word-wrap: break-word;
}

body {
  font-family: 'Microsoft Yahei', Tahoma, 'Simsun', Arial, Helvetica, STHeiti;
  font-size: 14px;
  color: #444;
  line-height: 1.6;
  background-color: #f5f5f5;
}

ul {
  list-style: none;
}

a {
  color: #333;
  text-decoration: none;
}

a:hover {
  color: #2ec7bb;
}

img {
  border: none;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部横条样式 */
.top-bar {
  background-color: #757575;
  height: 30px;
  display: flex;
  align-items: center;
}

.top-bar p {
  color: #fff;
  font-size: 12px;
}

/* 主要内容区样式 */
.main-container {
  padding: 20px 0;
}

.content-wrapper {
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  padding: 30px 24px;
  margin: 0 auto;
  max-width: 1200px;
}

/* 标题样式 */
.section-title {
  border-bottom: 1px solid #e9e9e9;
  padding-bottom: 15px;
  margin-bottom: 30px;
}

.section-title span {
  font-size: 24px;
  color: #3c3c3c;
}

/* 机型列表样式 */
.device-list {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.device-list li {
  width: 25%;
  padding: 0 15px;
  margin-bottom: 40px;
  text-align: center;
}

.device-list li img {
  width: 175px;
  height: 204px;
  display: block;
  margin: 0 auto 15px;
}

.device-list li p {
  font-size: 16px;
  line-height: 40px;
}

/* 页脚样式 */
.footer {
  background: #f7f8fa;
  padding: 24px 0 10px;
  color: #222;
  border-top: 1px solid #eaeaea;
  text-align: center;
}

.footer-links {
  margin-bottom: 10px;
  font-size: 16px;
}

.footer-links a {
  color: #222;
  margin: 0 6px;
}

.site-info {
  margin-bottom: 10px;
  font-size: 16px;
}

.site-info a {
  color: #222;
}

.runtime {
  font-size: 0.8rem;
  color: #8B814C;
  margin: 10px 0;
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
  background-color: #fefefe;
  margin: 10% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 60%;
  max-height: 80%;
  overflow-y: auto;
  position: relative;
  padding-top: 60px;
  border-radius: 12px;
}

.close {
  position: absolute;
  top: 15px;
  right: 15px;
  /* 从左中改为右上 */
  left: auto;
  transform: none;
  font-size: 28px;
  font-weight: bold;
  color: #888;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f0f0f0;
  transition: all 0.2s ease;
  z-index: 1;
}

.close:hover,
.close:focus {
  color: #ff4d4f;
  background: #f8f8f8;
  transform: scale(1.1);
  /* 仅缩放，不移动 */
}

/* 右下角固定按钮区域（覆盖原有样式，兼容t.html结构） */
.fixed-bottom-buttons {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fixed-bottom-buttons>div {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  background: #fff;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#wechat-btn i {
  font-size: 28px;
  color: #52c41a;
}

#scroll-top-btn i {
  font-size: 24px;
  color: #1890ff;
}

#scroll-bottom-btn i {
  font-size: 24px;
  color: #faad14;
}

/* 微信二维码弹窗样式（兼容t.html） */
#wechat-qrcode {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
  transition: opacity 0.25s cubic-bezier(.4, 0, .2, 1), transform 0.25s cubic-bezier(.4, 0, .2, 1);
  position: fixed;
  z-index: 10000;
  background: #fff;
  padding: 8px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
}

#wechat-qrcode.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

#wechat-qrcode img {
  width: 120px;
  height: 120px;
}

/* 权限提示弹窗 */
.permission-alert {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
  color: white;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  z-index: 99999;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.permission-alert.show {
  opacity: 1;
}