* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', 'Roboto', sans-serif;
}

:root {
  --primary: #2563eb;
  --secondary: #0ea5e9;
  --dark: #1e293b;
  --light: #f8fafc;
  --gray: #64748b;
  --card-bg: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

body {
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.65;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}
.nav-links a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 60px 0;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow);
}
.hero-info {
  flex: 1;
  min-width: 300px;
}
.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.hero .title {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 12px;
}
.hero .title a {
  margin-right: 16px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.hero .title a:hover {
  text-decoration: underline;
}
.hero .affiliation {
  color: var(--dark);
  font-weight: 500;
  margin-bottom: 16px;
}
.contact a {
  margin-right: 16px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.contact a:hover {
  text-decoration: underline;
}

/* Section */
.section {
  padding: 50px 0;
}
.section-title {
  font-size: 1.5rem;
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e2e8f0;
  color: var(--dark);
}

/* Education */
.education-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.edu-item {
  background: white;
  padding: 18px 22px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.edu-top {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}
.edu-school {
  color: var(--primary);
}

/* Papers */
.papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.paper-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
  position: relative;
}
.paper-card:hover {
  transform: translateY(-4px);
}

/* 图片左上角渐变标签 */
.paper-corner-tag {
  position: absolute;
  top: 2px;
  left: 2px;
  background: linear-gradient(90deg, #11e918, #05a9ef);
  color: white;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
}

.paper-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.paper-content {
  padding: 18px;
}
.paper-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.paper-authors {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 12px;
}
.paper-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.paper-links a {
  padding: 4px 10px;
  border-radius: 6px;
  background: #f1f5f9;
  color: var(--dark);
  text-decoration: none;
}
.paper-links a:hover {
  background: var(--primary);
  color: white;
}

/* 名字自动加粗 */
.paper-authors strong {
  color: #1e293b;
  font-weight: 700;
}

/* 标签样式 */
.tag-group{
  display:flex;
  gap:8px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.tag-pre{
  background:#eef2ff;
  color:#2563eb;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.tag-camera{
  background:#f0fdf4;
  color:#049857;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.tag-under-review {
  background: #f0f9ff;
  color: #0369a1;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 0.72rem;
}
.tag-journal{
  background:#fff7ed;
  color:#ea580c;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.tag-conf{
  background:#faf5ff;
  color:#9333ea;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}

/* Footer */
.footer {
  text-align: center;
  padding: 30px 0;
  color: var(--gray);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero {
    justify-content: center;
    text-align: center;
  }
  .nav-links {
    display: none;
  }
}

/*====全局自动高亮作者Daojie Peng（无需html手动加strong）====*/
.paper-authors:contains("Daojie Peng") {
  font-size:0.8rem;
  color: var(--gray);
  margin-bottom: 12px;
}
.paper-authors {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 12px;
}
/* CSS自动加粗Daojie Peng */
.paper-authors span.bold-me{display:none;}
.paper-authors {
  position:relative;
}
/* 改用JS全局自动替换加粗，css原生不支持contains修改局部文字，页面head加小段JS实现全局自动加粗 */

/*====专利板块新增样式====*/
.patents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top:10px;
}
.patent-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
  position: relative;
}
.patent-card:hover {
  transform: translateY(-4px);
}
.patent-corner-tag{
  position: absolute;
  top: 2px;
  right: 2px;
  background: linear-gradient(90deg,#2563eb,#0ea5e9);
  color:#fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
}
.patent-img{
  width:100%;
  height:180px;
  object-fit:cover;
  display:block;
}
.patent-content{
  padding:18px;
}
.patent-title{
  font-weight:600;
  font-size:0.95rem;
  margin-bottom:8px;
  line-height:1.4;
}
.patent-info{
  font-size:0.8rem;
  color:var(--gray);
  margin-bottom:10px;
}
.patent-tag-group{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.tag-invent{
  background:#b5fdce;
  color:#07b246;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.tag-co-invent{
  background:#dcfce7db;
  color:#259370;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.tag-utility{
  background:#fef3c7;
  color:#d97706;
  padding:3px 8px;
  border-radius:5px;
  font-size:0.72rem;
}
.patent-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  font-size:0.85rem;
}
.patent-links a{
  padding:4px 10px;
  border-radius:6px;
  background:#f1f5f9;
  color:var(--dark);
  text-decoration:none;
}
.patent-links a:hover{
  background:var(--primary);
  color:#fff;
}

/* Education with Logo */
.edu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: white;
  padding: 18px 22px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.edu-logo {
  width: 45px;
  height: 45px;
  object-fit: contain;
  flex-shrink: 0;
}
.edu-text {
  flex: 1;
}
.edu-top {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}
.edu-school {
  color: var(--primary);
}

/* ---------- 列表/网格切换样式 ---------- */
.view-toggle {
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
}
.view-btn {
  padding: 6px 14px;
  border: 1px solid #ddd;
  background: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.view-btn.active {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}

/* 横向列表模式（左边图，右边文字） */
.papers-grid.list,
.patents-grid.list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.papers-grid.grid,
.patents-grid.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

/* 横向卡片 */
.paper-card.list-mode,
.patent-card.list-mode {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px;        /* 👈 关键：增加内部留白 */
  min-height: 120px;    /* 👈 关键：保证卡片不会太矮 */
}
.paper-card.list-mode .paper-img,
.patent-card.list-mode .patent-img {
  width: 180px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 8px;
}
.paper-card.list-mode .paper-content,
.patent-card.list-mode .patent-content {
  flex: 1;
  padding: 0;
}