/* 动态艺术风格CSS - 张永强课题组主页 */

/* 动态渐变背景 */
body {
  background: linear-gradient(-45deg, #e3f2fd, #f3e5f5, #e8f5e9, #fff3e0);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 导航栏美化 */
.masthead {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  min-height: 60px;
}

.masthead__inner-wrap {
  min-height: 60px;
  display: flex;
  align-items: center;
}

.masthead__menu {
  width: 100%;
}

.greedy-nav {
  min-height: 60px;
  display: flex;
  align-items: center;
}

/* 移除导航栏内所有元素的背景 */
.greedy-nav,
.greedy-nav ul,
.greedy-nav .visible-links,
.greedy-nav .visible-links li,
.masthead__menu,
.masthead__inner-wrap {
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
}

/* 移除菜单项的所有背景 - 使用最高优先级 */
.masthead__menu-item,
.masthead__menu-item--lg,
li.masthead__menu-item,
li.masthead__menu-item--lg,
.visible-links .masthead__menu-item,
.visible-links .masthead__menu-item--lg {
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

.masthead__menu-item a,
.masthead__menu-item--lg a,
li.masthead__menu-item a,
li.masthead__menu-item--lg a,
.visible-links .masthead__menu-item a,
.visible-links .masthead__menu-item--lg a {
  transition: all 0.3s ease;
  position: relative;
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
  color: #424a51 !important;
  -webkit-text-fill-color: initial !important;
  padding: 1rem 1.2rem !important;
  font-size: 20px !important;
  font-weight: 500 !important;
  box-shadow: none !important;
  border: none !important;
  line-height: 1.5 !important;
}

.masthead__menu-item a:before,
.masthead__menu-item a:after,
.masthead__menu-item--lg a:before,
.masthead__menu-item--lg a:after {
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

.masthead__menu-item a:hover,
.masthead__menu-item--lg a:hover,
.masthead__menu-item a:focus,
.masthead__menu-item--lg a:focus,
.masthead__menu-item a:active,
.masthead__menu-item--lg a:active {
  color: #2196F3 !important;
  transform: translateY(-2px);
  background: none !important;
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

.masthead__menu-item a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: linear-gradient(90deg, #2196F3, #4CAF50) !important;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.masthead__menu-item a:hover::after {
  width: 80%;
}

/* 侧边栏美化 */
.sidebar {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px);
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 20px;
  transition: all 0.3s ease;
}

.sidebar:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-5px);
}

.author__avatar img {
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.author__avatar img:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

/* 主内容区美化 */
.page {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 30px;
  margin: 20px 0;
  transition: all 0.3s ease;
}

.page:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 标题美化 */
h1, h2, h3 {
  background: linear-gradient(135deg, #2196F3, #4CAF50);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.2); }
}

/* 链接美化 */
a {
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: #2196F3 !important;
}

/* 图片美化 */
img {
  border-radius: 10px;
  transition: all 0.3s ease;
}

img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* 按钮美化 */
.btn {
  background: linear-gradient(135deg, #2196F3, #4CAF50) !important;
  border: none !important;
  border-radius: 25px;
  padding: 10px 25px;
  color: white !important;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

/* 页脚美化 */
.page__footer {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px);
  border-radius: 15px 15px 0 0;
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
  margin-top: 40px;
}

/* 浮动动画 - 已禁用 */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* .author__avatar {
  animation: float 3s ease-in-out infinite;
} */

/* 段落美化 */
p {
  line-height: 1.8;
  transition: all 0.3s ease;
}

p:hover {
  transform: translateX(5px);
}

/* 列表项美化 */
li {
  transition: all 0.3s ease;
}

li:hover {
  transform: translateX(5px);
  color: #2196F3;
}

/* Publications box 美化 */
.publications-box {
  background: rgba(255, 255, 255, 0.6);
  padding: 15px;
  border-radius: 10px;
  border-left: 4px solid #2196F3;
  transition: all 0.3s ease;
  margin-bottom: 15px;
}

.publications-box:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 表格美化 */
table {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  overflow: hidden;
}

tr {
  transition: all 0.3s ease;
}

tr:hover {
  background: rgba(33, 150, 243, 0.05);
}

/* News 图片容器美化 */
div[style*="width: 200px; height: 100px"] {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

div[style*="width: 200px; height: 100px"]:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  transform: scale(1.05);
}

/* People 页面卡片美化 */
div[style*="display: flex"][style*="gap: 20px"] {
  background: rgba(255, 255, 255, 0.6);
  padding: 20px;
  border-radius: 15px;
  transition: all 0.3s ease;
}

div[style*="display: flex"][style*="gap: 20px"]:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #2196F3, #4CAF50);
  border-radius: 5px;
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #1976D2, #388E3C);
}

/* 加载动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page__content > * {
  animation: fadeIn 0.6s ease-out;
}

/* 响应式优化 */
@media (max-width: 768px) {
  body {
    background-size: 600% 600%;
  }

  .sidebar:hover {
    transform: none;
  }

  .page:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  }
}

/* 终极覆盖 - 移除菜单栏所有白色背景 */
/* 注释掉通配符规则，防止影响display属性
.masthead *,
.masthead__inner-wrap *,
.masthead__menu *,
.greedy-nav *,
.visible-links *,
.visible-links li,
.visible-links li a {
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}
*/

/* 保持主导航栏的半透明背景 */
.masthead {
  background: rgba(255, 255, 255, 0.7) !important;
}

/* 确保下拉菜单有背景 */
.hidden-links {
  background: white !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
}