/* ==================== 黑客艺术风格设计系统 ==================== */
/* 基于 PPT 设计语言：纯黑底 + 白字 + 暖金 accent + 衬线大标题 + 等宽代码字体 */

:root {
  /* 色彩系统 - 黑白主调 + 暖金 accent */
  --bg: #0a0a0a;
  --bg-light: #141414;
  --bg-card: rgba(26, 26, 26, 0.6);
  --bg-section: rgba(217, 195, 165, 0.04);
  --text: #f0f0f0;
  --text-heading: #ffffff;
  --muted: #666666;
  --border: rgba(217, 195, 165, 0.12);
  --border-strong: rgba(217, 195, 165, 0.25);
  --link: #d9c3a5;
  --link-hover: #e8d4b8;
  --accent: #d9c3a5;
  --accent-dim: rgba(217, 195, 165, 0.1);

  /* 布局 */
  --container: 1060px;
  --sidebar: 280px;

  /* 阴影 */
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.7);

  /* 字体栈 */
  --font-serif: "Constantia", "Georgia", "Times New Roman", serif;
  --font-mono: "Consolas", "JetBrains Mono", "Fira Code", monospace;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* 链接样式 */
a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--link-hover);
}

::selection {
  background: rgba(217, 195, 165, 0.2);
  color: var(--text-heading);
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

/* ==================== 导航栏 ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 64px;
  gap: 16px;
  position: relative;
}

.site-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-name:hover {
  color: var(--accent);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-small {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
}

.menu-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.top-nav a {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s;
}

.top-nav a:hover,
.top-nav a.active {
  color: var(--accent);
}

.top-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 8px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-light);
}

.lang-btn {
  border: none;
  background: transparent;
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  color: var(--text-heading);
}

.lang-btn.active {
  background: var(--accent);
  color: var(--bg);
}

/* ==================== 页面切换 ==================== */
main {
  margin-top: 64px;
  min-height: calc(100vh - 64px);
}

.page-section {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== 主页布局 ==================== */
/* 简洁Hero区域 */
.clean-hero {
  text-align: center;
  padding: 88px 20px 28px;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

/* 背景光晕效果 */
.clean-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(217, 195, 165, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.clean-avatar {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(217, 195, 165, 0.84);
  box-shadow: 0 12px 42px rgba(0, 0, 0, 0.72), 0 0 0 1px rgba(217, 195, 165, 0.18);
  margin-bottom: 28px;
  animation: fadeIn 1s ease-out;
  transition: transform 0.3s ease;
}

.clean-avatar:hover {
  transform: scale(1.05);
}

@keyframes avatarGlow {
  0%, 100% {
    box-shadow: 0 8px 32px rgba(217, 195, 165, 0.25), 0 0 0 0 rgba(217, 195, 165, 0.4);
  }
  50% {
    box-shadow: 0 8px 32px rgba(217, 195, 165, 0.35), 0 0 0 8px rgba(217, 195, 165, 0.2);
  }
}

.clean-motto {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin: 18px 0 14px;
  opacity: 0;
  animation: slideUpFade 0.8s ease-out 0.15s forwards;
  text-shadow: 0 2px 8px rgba(217, 195, 165, 0.3);
}

.clean-name {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 3.35rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
  opacity: 0;
  animation: slideUpFade 0.8s ease-out 0.2s forwards;
  background: linear-gradient(135deg, var(--text-heading) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.clean-thesis {
  max-width: 680px;
  margin: -2px auto 22px;
  color: rgba(240, 240, 240, 0.82);
  font-size: 1rem;
  line-height: 1.85;
  opacity: 0;
  animation: slideUpFade 0.8s ease-out 0.32s forwards;
}

.clean-title {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 20px;
  opacity: 0;
  animation: slideUpFade 0.8s ease-out 0.3s forwards;
  line-height: 1.6;
}

/* 技能展示区域 */
.skills-section {
  max-width: 600px;
  margin: 0 auto 32px;
  opacity: 1;
  animation: slideUpFade 0.8s ease-out 0.4s forwards;
}

.skills-category {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.skills-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 80px;
  text-align: left;
}

.skills-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.skill-item {
  padding: 6px 14px;
  background: rgba(217, 195, 165, 0.06);
  border: 1px solid rgba(217, 195, 165, 0.15);
  border-radius: 6px;
  color: #c9b896;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.skill-item:hover {
  background: rgba(217, 195, 165, 0.12);
  border-color: rgba(217, 195, 165, 0.3);
  transform: translateY(-2px);
}

.clean-tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  animation: slideUpFade 0.8s ease-out 0.5s forwards;
  opacity: 0;
  margin-bottom: 0px;
}

.clean-tag {
  padding: 10px 20px;
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.1) 0%, rgba(217, 195, 165, 0.05) 100%);
  border: 1px solid rgba(217, 195, 165, 0.25);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: default;
}

.clean-tag:hover {
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.15) 0%, rgba(217, 195, 165, 0.08) 100%);
  border-color: rgba(217, 195, 165, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(217, 195, 165, 0.2);
}

/* 分段容器 */
.section-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 24px 100px;
}

/* Section通用样式 */
.profile-section {
  margin-bottom: 68px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
  scroll-margin-top: 92px;
}

.profile-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-header {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.profile-section:hover .section-header::after {
  width: 120px;
}

.section-icon {
  font-size: 1.5rem;
}

.section-content {
  padding-left: 48px;
}

/* 关于我 */
.about-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.about-section .section-content {
  padding-left: 0;
}

.about-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.25fr);
  gap: 42px;
  align-items: start;
  padding: 30px 0 34px;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  position: relative;
}

.about-panel::before {
  content: '';
  position: absolute;
  top: 30px;
  bottom: 34px;
  left: calc(44% - 21px);
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 195, 165, 0.08), rgba(217, 195, 165, 0.46), rgba(217, 195, 165, 0.08));
}

.about-statement {
  font-family: var(--font-serif);
  color: var(--text-heading);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
  padding: 0;
}

.about-copy {
  display: grid;
  gap: 16px;
  max-width: 680px;
  padding: 0;
}

.about-copy p {
  color: rgba(240, 240, 240, 0.86);
  font-size: 1rem;
  line-height: 1.9;
}

/* 教育背景 */
.edu-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 28px;
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.03) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.edu-item:hover {
  border-color: rgba(217, 195, 165, 0.2);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.edu-school {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.edu-major {
  color: var(--muted);
  margin-bottom: 6px;
  font-size: 1rem;
}

.edu-period {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.edu-stats {
  display: flex;
  gap: 28px;
}

.edu-stat {
  text-align: center;
  padding: 16px 20px;
  background: rgba(217, 195, 165, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(217, 195, 165, 0.1);
  transition: all 0.3s ease;
}

.edu-stat:hover {
  background: rgba(217, 195, 165, 0.08);
  border-color: rgba(217, 195, 165, 0.2);
  transform: translateY(-2px);
}

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 研究兴趣 */
.research-intro {
  padding: 24px 0 28px;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  position: relative;
}

.research-intro::before {
  display: none;
}

.research-intro-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.research-intro-text {
  max-width: 860px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.9;
}

.research-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.research-focus-card {
  min-height: 196px;
  padding: 22px 0 0;
  border-top: 1px solid var(--border-strong);
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0;
  background: transparent;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.research-focus-card:hover {
  border-color: rgba(217, 195, 165, 0.5);
  background: transparent;
  transform: translateY(-2px);
  box-shadow: none;
}

.research-focus-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.research-focus-card h3 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.research-focus-card p {
  color: rgba(240, 240, 240, 0.82);
  font-size: 0.92rem;
  line-height: 1.75;
}

.research-subheader {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  color: var(--text-heading);
  margin: 8px 0 18px;
}

/* 科研网格 */
.research-grid {
  display: grid;
  gap: 20px;
}

.research-card {
  padding: 24px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(20, 20, 20, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.research-card:hover {
  border-color: rgba(217, 195, 165, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.research-card:hover::before {
  opacity: 1;
}

.research-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.06) 0%, rgba(26, 26, 26, 0.6) 100%);
}

.research-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  margin-bottom: 12px;
}

.research-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 8px;
}

.research-venue {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.research-brief {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 12px;
}

.research-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.research-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(217, 195, 165, 0.06);
  border: 1px solid rgba(217, 195, 165, 0.15);
  border-radius: 999px;
  color: #c9b896;
}

/* 项目网格 */
.project-grid {
  display: grid;
  gap: 20px;
}

.project-card {
  padding: 24px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(20, 20, 20, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover {
  border-color: rgba(217, 195, 165, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  background: var(--muted);
  color: var(--bg);
  border-radius: 999px;
  margin-bottom: 12px;
}

.project-badge.highlight {
  background: var(--accent);
  color: var(--bg);
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 6px;
}

.project-role {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.project-time {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 12px;
}

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(217, 195, 165, 0.06);
  border: 1px solid rgba(217, 195, 165, 0.15);
  border-radius: 999px;
  color: #c9b896;
}

/* 荣誉列表 */
.awards-list {
  display: grid;
  gap: 12px;
}

.award-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(20, 20, 20, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.award-item:hover {
  border-color: rgba(217, 195, 165, 0.2);
  transform: translateX(4px);
}

.award-level {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.award-level.national {
  background: rgba(217, 195, 165, 0.15);
  color: var(--accent);
  border: 1px solid rgba(217, 195, 165, 0.2);
}

.award-level.city {
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.award-level.school {
  background: rgba(217, 195, 165, 0.08);
  color: #c9b896;
  border: 1px solid rgba(217, 195, 165, 0.15);
}

.award-name {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

/* 生活板块 */
.life-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: stretch;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(217, 195, 165, 0.08) 0%, rgba(26, 26, 26, 0.72) 50%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.life-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(217, 195, 165, 0.06) 50%, transparent 100%);
  pointer-events: none;
}

.life-copy,
.life-link-card {
  position: relative;
  z-index: 1;
}

.life-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.life-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--text-heading);
  line-height: 1.35;
  margin-bottom: 10px;
}

.life-desc {
  max-width: 560px;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.7;
}

.life-link-card {
  display: grid;
  gap: 8px;
  padding: 22px;
  min-height: 160px;
  border: 1px solid rgba(217, 195, 165, 0.24);
  border-radius: 10px;
  background: rgba(10, 10, 10, 0.46);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.life-link-card:hover {
  border-color: var(--accent);
  background: rgba(217, 195, 165, 0.08);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.life-link-label {
  width: fit-content;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.life-link-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-heading);
}

.life-link-url {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  word-break: break-all;
}

.life-link-icon {
  width: 24px;
  height: 24px;
  justify-self: end;
  align-self: end;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.life-link-card:hover .life-link-icon {
  transform: translate(3px, -3px);
}

/* 联系方式网格 */
.contact-grid {
  display: grid;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(20, 20, 20, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: var(--accent);
  background: rgba(217, 195, 165, 0.06);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.contact-item svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-item:hover svg {
  transform: scale(1.1);
}

.contact-item span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ==================== 瀑布流布局 ==================== */
.waterfall-container {
  column-count: 3;
  column-gap: 24px;
  padding: 40px 0 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.waterfall-card {
  break-inside: avoid;
  margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(40px);
  animation: cardFadeIn 0.8s ease-out forwards;
}

/* 入场动画 */
@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 为每个卡片添加延迟，实现依次出现的效果 */
.waterfall-container .waterfall-card:nth-child(1) { animation-delay: 0.1s; }
.waterfall-container .waterfall-card:nth-child(2) { animation-delay: 0.2s; }
.waterfall-container .waterfall-card:nth-child(3) { animation-delay: 0.3s; }
.waterfall-container .waterfall-card:nth-child(4) { animation-delay: 0.4s; }
.waterfall-container .waterfall-card:nth-child(5) { animation-delay: 0.5s; }
.waterfall-container .waterfall-card:nth-child(6) { animation-delay: 0.6s; }
.waterfall-container .waterfall-card:nth-child(7) { animation-delay: 0.7s; }
.waterfall-container .waterfall-card:nth-child(8) { animation-delay: 0.8s; }
.waterfall-container .waterfall-card:nth-child(9) { animation-delay: 0.9s; }
.waterfall-container .waterfall-card:nth-child(10) { animation-delay: 1.0s; }
.waterfall-container .waterfall-card:nth-child(11) { animation-delay: 1.1s; }
.waterfall-container .waterfall-card:nth-child(12) { animation-delay: 1.2s; }
.waterfall-container .waterfall-card:nth-child(13) { animation-delay: 1.3s; }

.waterfall-card:hover {
  border-color: rgba(217, 195, 165, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* 卡片大小变体 */
.waterfall-card-small {
  /* 默认大小 */
}

.waterfall-card-medium {
  /* 默认大小 */
}

.waterfall-card-large {
  /* 大卡片，跨两列 */
  break-inside: avoid;
  column-span: all;
}

.waterfall-card-highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.05) 0%, rgba(26, 26, 26, 0.6) 100%);
}

/* 卡片标签 */
.card-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--border);
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: var(--accent);
  padding: 8px 16px;
  display: inline-block;
  margin: 12px 16px 8px;
  border-radius: 999px;
}

/* 卡片内容 */
.card-content {
  padding: 16px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 8px;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--accent);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.card-venue {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.card-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.card-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.keyword {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(217, 195, 165, 0.08);
  border: 1px solid rgba(217, 195, 165, 0.15);
  border-radius: 999px;
  color: #c9b896;
  transition: all 0.2s;
}

.keyword:hover {
  background: rgba(217, 195, 165, 0.15);
  border-color: rgba(217, 195, 165, 0.25);
}

/* 卡片列表 */
.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.card-list li {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.card-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.9rem;
}

/* 教育卡片 */
.edu-block h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.edu-sub {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.edu-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.edu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(217, 195, 165, 0.08);
  border: 1px solid rgba(217, 195, 165, 0.15);
  border-radius: 999px;
  color: #c9b896;
}

/* 奖项卡片 */
.award-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.award-item-mini {
  padding: 10px;
  background: rgba(217, 195, 165, 0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.award-level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.award-name {
  font-size: 0.85rem;
  color: var(--text-heading);
  font-weight: 600;
  margin-bottom: 2px;
}

.award-rank {
  font-size: 0.78rem;
  color: var(--muted);
}

.scholarship-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 12px;
  background: rgba(217, 195, 165, 0.08);
  border: 1px solid rgba(217, 195, 165, 0.2);
  border-radius: 4px;
  color: var(--accent);
  text-align: center;
}

/* 联系方式卡片 */
.contact-block {
  display: grid;
  gap: 12px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.contact-icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-row a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-row a:hover {
  color: var(--accent);
}

/* ==================== Section 通用 ==================== */
.section {
  scroll-margin-top: 80px;
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: rgba(26, 26, 26, 0.3);
}

.section + .section {
  margin-top: 32px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-strong);
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.about p + p {
  margin-top: 14px;
}

/* ==================== 列表通用 ==================== */
.edu-list,
.pub-list,
.project-list,
.award-list {
  list-style: none;
}

.edu-item,
.contact-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.edu-item:last-child,
.contact-item:last-child {
  border-bottom: none;
}

/* ==================== 项目/科研卡片 ==================== */
.project-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.project-item:last-child {
  border-bottom: none;
}

.project-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.entry-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-heading);
}

.entry-sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.entry-time {
  font-family: var(--font-mono);
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 400;
}

.project-points {
  margin-top: 10px;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.project-points li {
  font-size: 0.94rem;
  color: var(--text);
  line-height: 1.6;
}

.project-points li::marker {
  color: var(--accent);
}

/* ==================== 论文卡片 ==================== */
.pub-item {
  padding: 16px;
  margin-bottom: 12px;
  border-radius: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  transition: all 0.25s;
}

.pub-item:last-child {
  margin-bottom: 0;
}

.pub-item:hover {
  border-color: rgba(217, 195, 165, 0.2);
  box-shadow: var(--shadow);
}

.pub-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-heading);
}

.pub-title a {
  color: var(--text-heading);
  text-decoration: none;
}

.pub-title a:hover {
  color: var(--accent);
}

.pub-meta {
  font-family: var(--font-mono);
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 400;
}

.pub-desc {
  margin-top: 8px;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ==================== 荣誉标签 ==================== */
.award-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.award-item {
  font-family: var(--font-mono);
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 400;
  transition: all 0.2s;
}

.award-item:hover {
  background: var(--accent);
  color: var(--bg);
  transform: translateY(-1px);
}

/* ==================== 联系方式 ==================== */
.contact-list {
  list-style: none;
  max-width: 560px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.contact-item span:first-child {
  color: var(--muted);
  font-weight: 400;
  min-width: 60px;
}

/* ==================== 博客列表页 ==================== */
.blog-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 0 56px;
}

.blog-header {
  text-align: center;
  margin-bottom: 24px;
  padding-top: 8px;
}

.blog-icon {
  font-family: var(--font-serif);
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.2) 0%, rgba(217, 195, 165, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: 2px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
}

.blog-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.blog-stats {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.82rem;
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* ==================== 标签云 ==================== */
.tag-cloud-section {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
  animation: slideUpFade 0.6s ease-out 0.2s forwards;
  opacity: 0;
}

.tag-cloud-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.tag-cloud-reset {
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-sans);
}

.tag-cloud-reset:hover {
  background: rgba(217, 195, 165, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  min-height: 60px;
}

.tag-cloud-tag {
  position: relative;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(217, 195, 165, 0.08) 0%, rgba(217, 195, 165, 0.03) 100%);
  border: 1px solid rgba(217, 195, 165, 0.2);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.tag-cloud-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.tag-cloud-tag:hover::before {
  left: 100%;
}

.tag-cloud-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(217, 195, 165, 0.25);
  border-color: rgba(217, 195, 165, 0.4);
}

.tag-cloud-tag.active {
  background: linear-gradient(135deg, var(--accent) 0%, rgba(217, 195, 165, 0.7) 100%);
  color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(217, 195, 165, 0.35);
}

.tag-cloud-tag.active .tag-count {
  background: rgba(0, 0, 0, 0.2);
  color: var(--bg);
}

.tag-count {
  display: inline-block;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: rgba(217, 195, 165, 0.15);
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 6px;
  line-height: 20px;
  color: var(--accent);
}

/* 标签大小分级 */
.tag-size-small {
  font-size: 0.85rem;
}

.tag-size-medium {
  font-size: 1rem;
  font-weight: 500;
}

.tag-size-large {
  font-size: 1.15rem;
  font-weight: 600;
  padding: 10px 20px;
}

.tag-cloud-status {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 16px;
  min-height: 24px;
  font-family: var(--font-mono);
}

/* ==================== 博客分类过滤 ==================== */
.blog-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.blog-filter-btn {
  border: 1px solid var(--border);
  background: transparent;
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 400;
  padding: 8px 22px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}

.blog-filter-btn:hover {
  color: var(--text-heading);
  border-color: rgba(217, 195, 165, 0.3);
}

.blog-filter-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 500;
}

/* ==================== 博客卡片 ==================== */
.blog-list {
  display: grid;
  gap: 16px;
}

.blog-card {
  border-radius: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  transition: all 0.25s;
}

.blog-card:hover {
  border-color: rgba(217, 195, 165, 0.4);
  box-shadow: var(--shadow);
}

.blog-card-link {
  display: block;
  padding: 22px 24px;
  text-decoration: none;
  color: inherit;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.blog-card-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.blog-card-category.技术 {
  background: rgba(217, 195, 165, 0.08);
  color: #c9b896;
  border: 1px solid rgba(217, 195, 165, 0.15);
}

.blog-card-category.随笔 {
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  border: 1px solid var(--border);
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 6px;
}

.blog-card-subtitle {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.blog-card-read-more {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 400;
  transition: color 0.2s;
}

.blog-card-link:hover .blog-card-read-more {
  color: var(--link-hover);
}

/* 博客卡片标签 */
.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.blog-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(217, 195, 165, 0.08);
  border: 1px solid rgba(217, 195, 165, 0.2);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.blog-card-link:hover .blog-card-tag {
  background: rgba(217, 195, 165, 0.15);
  border-color: rgba(217, 195, 165, 0.35);
  transform: translateY(-1px);
}

.blog-card.hidden {
  display: none;
}

.blog-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted);
  font-size: 1.1rem;
}

.blog-empty p {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 40px;
  display: inline-block;
}

/* ==================== 博客文章详情 ==================== */
.blog-post-container {
  padding: 32px 0 60px;
}

.blog-post-inner {
  max-width: 800px;
}

.blog-back-link {
  display: inline-block;
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 28px;
  transition: color 0.2s;
}

.blog-back-link:hover {
  color: var(--accent);
}

.blog-post-header {
  margin-bottom: 36px;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.blog-post-category {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.blog-post-category.技术 {
  background: rgba(217, 195, 165, 0.08);
  color: #c9b896;
  border: 1px solid rgba(217, 195, 165, 0.15);
}

.blog-post-category.随笔 {
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  border: 1px solid var(--border);
}

.blog-post-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

.blog-post-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.blog-post-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ==================== 博客文章内容 ==================== */
.blog-post-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 36px;
}

.blog-toc {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.blog-toc-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.blog-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 4px;
}

.blog-toc-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.blog-toc-list li.toc-h3 {
  padding-left: 18px;
}

.blog-toc-list a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 4px;
  transition: all 0.15s;
  line-height: 1.4;
}

.blog-toc-list a:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.blog-toc-list a.active {
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-dim);
}

.blog-post-content {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text);
}

.blog-post-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-top: 40px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-strong);
  letter-spacing: -0.01em;
}

.blog-post-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-top: 32px;
  margin-bottom: 10px;
}

.blog-post-content p {
  margin-bottom: 18px;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: 18px;
  padding-left: 26px;
}

.blog-post-content li {
  margin-bottom: 6px;
}

.blog-post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-post-content a:hover {
  color: var(--link-hover);
}

.blog-post-content blockquote {
  border-left: 2px solid var(--accent);
  margin: 24px 0;
  padding: 14px 22px;
  background: var(--accent-dim);
  border-radius: 0 2px 2px 0;
  color: var(--muted);
}

.blog-post-content code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: rgba(217, 195, 165, 0.08);
  padding: 3px 7px;
  border-radius: 3px;
  color: var(--accent);
}

.blog-post-content pre {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 18px 22px;
  margin: 24px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
}

.blog-post-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: var(--text);
}

.blog-post-content img {
  max-width: 100%;
  border-radius: 2px;
  margin: 20px 0;
  border: 1px solid var(--border);
}

.blog-post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.blog-post-content th,
.blog-post-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.blog-post-content th {
  background: var(--bg-light);
  color: var(--text-heading);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.blog-post-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.hidden {
  display: none !important;
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(217, 195, 165, 0.2);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1200px) {
  .waterfall-container {
    column-count: 2;
  }
}

@media (max-width: 860px) {
  /* 主页响应式优化 */
  .clean-hero {
    padding: 80px 20px 60px;
  }

  .clean-avatar {
    width: 180px;
    height: 180px;
  }

  .section-container {
    max-width: 100%;
    padding: 48px 20px 80px;
  }

  .edu-item {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .research-focus-grid {
    grid-template-columns: 1fr;
  }

  .life-panel {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-block;
  }

  .blog-post-body {
    grid-template-columns: 1fr;
  }

  .blog-toc {
    position: static;
    max-height: none;
    margin-bottom: 10px;
  }

  .blog-toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .blog-toc-list li.toc-h3 {
    padding-left: 0;
  }

  .blog-toc-list a {
    font-size: 0.78rem;
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
  }

  .top-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: 18px;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow);
    margin-left: 0;
  }

  .top-nav.open {
    display: flex;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 10px 0;
    min-height: auto;
  }

  .header-actions {
    margin-left: auto;
  }

  .waterfall-container {
    column-count: 2;
    column-gap: 20px;
  }

  .hero-avatar {
    width: 120px;
    height: 120px;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

}

@media (max-width: 640px) {
  .waterfall-container {
    column-count: 1;
    column-gap: 0;
  }

  .waterfall-card-large {
    column-span: all;
  }

  .hero-avatar {
    width: 100px;
    height: 100px;
  }

  .hero-name {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 0.9rem;
  }

  .hero-stats {
    gap: 12px;
  }

  .stat-divider {
    display: none;
  }

  .hero-social {
    flex-direction: column;
    align-items: stretch;
  }

  .social-link {
    justify-content: center;
  }

  /* 新布局响应式 */
  .clean-hero {
    padding: 60px 16px 40px;
  }

  .clean-avatar {
    width: 160px;
    height: 160px;
  }

  .clean-motto {
    font-size: 1.08rem;
    letter-spacing: 0.02em;
    line-height: 1.65;
  }

  .clean-name {
    font-size: 2rem;
  }

  .clean-thesis {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .clean-title {
    font-size: 1rem;
  }

  .clean-tags {
    gap: 8px;
  }

  .clean-tag {
    font-size: 0.8rem;
    padding: 8px 16px;
  }

  .section-container {
    padding: 32px 16px 48px;
  }

  .section-content {
    padding-left: 0;
  }

  .about-panel {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 24px 0 26px;
  }

  .about-panel::before {
    display: none;
  }

  .about-statement,
  .about-copy {
    padding-left: 0;
  }

  .about-copy p {
    font-size: 0.92rem;
    line-height: 1.82;
  }

  .section-header {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }

  .profile-section {
    margin-bottom: 48px;
    scroll-margin-top: 168px;
  }

  .edu-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px;
  }

  .edu-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .edu-stat {
    padding: 12px 8px;
  }

  .stat-num {
    font-size: 1.12rem;
  }

  .research-intro {
    padding: 22px;
  }

  .research-intro::before {
    left: 22px;
    right: 22px;
  }

  .research-intro-text {
    font-size: 0.92rem;
    line-height: 1.8;
  }

  .research-focus-card {
    min-height: auto;
    padding: 20px;
  }

  .research-card,
  .project-card {
    padding: 20px;
  }

  .research-title,
  .project-title {
    font-size: 1.05rem;
  }

  .research-brief,
  .project-desc {
    font-size: 0.9rem;
  }

  .award-item {
    padding: 14px 16px;
  }

  .life-panel {
    padding: 22px;
  }

  .life-title {
    font-size: 1.22rem;
  }

  .life-link-card {
    min-height: 140px;
    padding: 18px;
  }

  .contact-item {
    padding: 16px 18px;
  }

  .waterfall-hero {
    padding: 40px 16px 32px;
  }

  .card-content {
    padding: 14px;
  }

  .card-title {
    font-size: 1.05rem;
  }

  .card-desc {
    font-size: 0.88rem;
  }
}

@media (max-width: 560px) {
  .container {
    width: calc(100% - 24px);
  }

  .header-inner {
    gap: 10px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .lang-btn {
    padding: 6px 12px;
  }

  .profile-name {
    font-size: 1.6rem;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .edu-head,
  .project-head {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .sidebar-inner {
    flex-direction: column;
    text-align: center;
  }

  .avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto;
  }

  .pub-item {
    padding: 12px;
  }

  .award-list {
    flex-direction: column;
    gap: 8px;
  }

  .award-item {
    text-align: center;
  }

  .blog-post-title {
    font-size: 1.7rem;
  }

  .waterfall-hero {
    padding: 40px 16px 32px;
  }

  .card-content {
    padding: 14px;
  }

  .card-title {
    font-size: 1.05rem;
  }

  .card-desc {
    font-size: 0.88rem;
  }
}