/* ============================================================
   公共重置样式 - common.css
   前缀: iet_
   描述: 中科院工程热物理研究所70周年专题网站公共样式
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: #333333;
  line-height: 1.6;
  background-color: #FFFFFF;
  min-width: 320px;
  overflow-x: hidden;
}

a {
  color: #015293;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #C41230;
  text-decoration: none;
}

a:active {
  color: #A00E28;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: middle;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  line-height: 1.4;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/* === 公共容器 === */
.iet_container {
  width: 1200px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 15px;
}

/* === 公共模块标题 - 图标+红底线 === */
.iet_module_header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #C41230;
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.iet_module_title {
  font-size: 26px;
  font-weight: 700;
  color: #C41230;
  display: flex;
  align-items: center;
}

.iet_module_title_img {
  width: 32px;
  height: 32px;
  margin-right: 10px;
  flex-shrink: 0;
  object-fit: contain;
}

.iet_module_more {
  font-size: 14px;
  color: #666666;
  transition: color 0.3s ease;
}

.iet_module_more:hover {
  color: #C41230;
}

/* === 公共列表样式 === */
.iet_list_item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px dashed #E0E0E0;
}

.iet_list_item:last-child {
  border-bottom: none;
}

.iet_list_title {
  flex: 1;
  font-size: 17px;
  color: #333333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 15px;
  transition: color 0.3s ease;
}

.iet_list_title:hover {
  color: #C41230;
}

.iet_list_date {
  font-size: 14px;
  color: #999999;
  white-space: nowrap;
}

/* === 入场动画 === */
.iet_fade_up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.iet_fade_up.iet_visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 文字省略 === */
.iet_text_ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iet_text_ellipsis_2 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.iet_text_ellipsis_3 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}