@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Share+Tech+Mono&display=swap');

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

:root {
  --purple: #b400ff;
  --purple-glow: 0 0 10px #b400ff, 0 0 30px rgba(180,0,255,0.4);
  --cyan: #00f5d4;
  --cyan-glow: 0 0 10px #00f5d4, 0 0 20px rgba(0,245,212,0.3);
  --pink: #ff2d78;
  --pink-glow: 0 0 10px #ff2d78, 0 0 20px rgba(255,45,120,0.3);
  --yellow: #f5c400;
  --blue: #00d4ff;
  --bg: #030010;
  --bg-card: rgba(8,0,20,0.88);
  --text: #c8c0d8;
  --text-dim: #6a6080;
  --border-purple: rgba(180,0,255,0.4);
  --border-cyan: rgba(0,245,212,0.4);
  --border-pink: rgba(255,45,120,0.4);
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

#stars {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 导航栏 */
.navbar {
  position: relative;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(3,0,16,0.97);
  border-bottom: 1px solid var(--cyan);
  box-shadow: var(--cyan-glow);
}

.nav-brand {
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.2rem;
  letter-spacing: 4px;
  text-shadow: var(--cyan-glow);
}

.nav-links a {
  color: var(--purple);
  text-decoration: none;
  margin-left: 2rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--cyan);
  text-shadow: var(--cyan-glow);
}

/* 主体 */
.container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 2rem;
}

/* 文章卡片 - 交替颜色 */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-purple);
  border-left: 3px solid var(--purple);
  padding: 2rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(12px);
  transition: all 0.3s;
  position: relative;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  display: none;
  background: linear-gradient(90deg, var(--purple), var(--cyan), var(--pink));
  opacity: 0.6;
}

.post-card:nth-child(2n) {
  border-left-color: var(--cyan);
  border-color: var(--border-cyan);
}

.post-card:nth-child(3n) {
  border-left-color: var(--pink);
  border-color: var(--border-pink);
}

.post-card:hover {
  box-shadow: var(--purple-glow);
  transform: translateX(4px);
}

/* 角标装饰 */
.post-card::after {
  content: '//';
  position: absolute;
  bottom: 0.8rem;
  right: 1rem;
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  opacity: 0.4;
}

.post-meta {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.post-date {
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 2px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.1rem 0.5rem;
}

.tag {
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1px;
  background: rgba(0,245,212,0.08);
  border: 1px solid var(--border-cyan);
  padding: 0.1rem 0.5rem;
}

.post-title {
  margin-bottom: 0.8rem;
}

.post-title a {
  color: var(--purple);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(180,0,255,0.4);
  transition: all 0.2s;
}

.post-card:nth-child(2n) .post-title a { color: var(--cyan); text-shadow: 0 0 8px rgba(0,245,212,0.4); }
.post-card:nth-child(3n) .post-title a { color: var(--pink); text-shadow: 0 0 8px rgba(255,45,120,0.4); }

.post-title a:hover { letter-spacing: 0.5px; }

.post-excerpt {
  color: var(--text);
  line-height: 1.8;
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  opacity: 0.85;
}

.read-more {
  color: var(--yellow);
  text-decoration: none;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 3px;
  border: 1px solid rgba(245,196,0,0.3);
  padding: 0.3rem 0.8rem;
  transition: all 0.2s;
}

.read-more:hover {
  background: rgba(245,196,0,0.1);
  box-shadow: 0 0 10px rgba(245,196,0,0.3);
}

/* 文章详情页 */
.post-full {
  background: var(--bg-card);
  border: 1px solid var(--border-purple);
  border-top: 2px solid var(--purple);
  padding: 3rem;
  backdrop-filter: blur(12px);
  position: relative;
}

.post-full::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan), var(--pink));
}

.post-full .post-title {
  color: var(--purple);
  font-size: 2rem;
  text-shadow: var(--purple-glow);
  margin: 1rem 0 2rem;
  letter-spacing: 1px;
}

.post-content {
  line-height: 1.9;
  font-size: 0.95rem;
}

.post-content h1, .post-content h2 {
  color: var(--cyan);
  text-shadow: var(--cyan-glow);
  margin: 2rem 0 1rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 2px;
}

.post-content h3 {
  color: var(--pink);
  margin: 1.5rem 0 0.8rem;
}

.post-content a { color: var(--cyan); text-decoration: none; }
.post-content a:hover { color: var(--purple); text-shadow: var(--purple-glow); }

.post-content code {
  background: rgba(0,245,212,0.06);
  color: var(--cyan);
  padding: 0.15em 0.4em;
  border: 1px solid var(--border-cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.87em;
}

.post-content pre {
  background: rgba(3,0,16,0.97);
  border: 1px solid var(--border-purple);
  border-left: 3px solid var(--purple);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content blockquote {
  border-left: 3px solid var(--pink);
  padding-left: 1.2rem;
  color: var(--text-dim);
  margin: 1.5rem 0;
  font-style: italic;
}

/* 归档页 */
.page-title {
  color: var(--cyan);
  text-shadow: var(--cyan-glow);
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.2rem;
  letter-spacing: 6px;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-cyan);
  padding-bottom: 1rem;
}

.archive-item {
  display: flex;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(180,0,255,0.08);
  transition: all 0.2s;
}

.archive-item:hover { padding-left: 0.5rem; }

.archive-date {
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 1px;
  width: 120px;
  flex-shrink: 0;
}

.archive-title {
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
}

.archive-title:hover { color: var(--purple); text-shadow: 0 0 8px rgba(180,0,255,0.4); }

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 3px;
  border-top: 1px solid var(--border-cyan);
  background: rgba(3,0,16,0.95);
}
/* 个人介绍卡片 */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-top: 2px solid var(--cyan);
  padding: 2.5rem;
  margin-bottom: 3rem;
  backdrop-filter: blur(12px);
  position: relative;
}

.profile-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
}

.profile-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.profile-name {
  color: var(--cyan);
  font-size: 1.8rem;
  text-shadow: var(--cyan-glow);
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
}

.profile-badge {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 3px;
  margin-left: 0.5rem;
}

.profile-bio {
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  opacity: 0.85;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.stack-tag {
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1px;
  background: rgba(0,245,212,0.06);
  border: 1px solid var(--border-cyan);
  padding: 0.2rem 0.7rem;
}

.project-tag {
  color: var(--purple);
  background: rgba(180,0,255,0.08);
  border-color: var(--border-purple);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim) !important;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 2px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.3rem 0.8rem;
  text-decoration: none;
  transition: all 0.2s;
}

.social-link:hover {
  color: var(--cyan) !important;
  border-color: var(--border-cyan);
  box-shadow: var(--cyan-glow);
}

.profile-project {
  min-width: 200px;
  background: rgba(180,0,255,0.05);
  border: 1px solid var(--border-purple);
  padding: 1.5rem;
  flex-shrink: 0;
}

.project-label {
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 3px;
  margin-bottom: 0.8rem;
}

.project-name {
  color: var(--purple);
  font-size: 1.3rem;
  font-weight: 600;
  text-shadow: var(--purple-glow);
  margin-bottom: 0.4rem;
  letter-spacing: 2px;
}

.project-name a,
.project-status a {
  color: inherit;
  text-decoration: none;
}

.project-desc {
  color: var(--text);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.project-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 2px;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.section-label {
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 4px;
  margin-bottom: 1.5rem;
}

/* About 经历卡片 */
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-purple);
  border-top: 2px solid var(--purple);
  padding: 2rem 2.5rem;
  margin-bottom: 3rem;
  backdrop-filter: blur(12px);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.about-period {
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.about-title {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: 1px;
}

.about-role {
  color: var(--purple);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 1px;
  background: rgba(180,0,255,0.08);
  border: 1px solid var(--border-purple);
  padding: 0.1rem 0.5rem;
  margin-left: 0.3rem;
  vertical-align: middle;
}

.about-desc {
  color: var(--text);
  font-size: 0.78rem;
  opacity: 0.7;
  line-height: 1.6;
}
.profile-projects {
  min-width: 240px;
  flex-shrink: 0;
}

.project-item {
  background: rgba(180,0,255,0.05);
  border: 1px solid var(--border-purple);
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
}

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

.status-dot.cyan {
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}
figcaption {
  text-align: center;
  font-size: 0.85em;
  color: #888;
  font-style: italic;
  margin-top: 0.5rem;
}

/* 论文阅读页 */
.paper-reader-hero {
  border: 1px solid var(--border-cyan);
  border-left: 4px solid var(--cyan);
  background: rgba(0,245,212,0.05);
  padding: 1.4rem 1.6rem;
  margin: 0 0 2rem;
}

.paper-reader-eyebrow {
  color: var(--text-dim);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 3px;
  margin-bottom: 0.8rem;
}

.paper-reader-hero h2 {
  color: var(--cyan);
  font-size: 1.55rem;
  line-height: 1.35;
  text-shadow: var(--cyan-glow);
  margin: 0 0 1rem;
}

.paper-reader-hero p {
  color: var(--text);
  line-height: 1.8;
  margin: 1rem 0 0;
}

.paper-reader-meta,
.aud-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0.65rem 0;
}

.paper-reader-meta span,
.paper-reader-meta a,
.paper-tag,
.paper-priority,
.aud-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  border: 1px solid rgba(255,255,255,0.13);
  padding: 0.12rem 0.55rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-decoration: none;
}

.paper-reader-meta a,
.paper-tag {
  color: var(--cyan);
  border-color: var(--border-cyan);
  background: rgba(0,245,212,0.06);
}

.paper-priority {
  color: var(--yellow);
  border-color: rgba(245,196,0,0.35);
  background: rgba(245,196,0,0.06);
}

.aud-badge {
  justify-content: center;
  width: 1.6rem;
  padding: 0;
  font-weight: 600;
}

.aud-badge.A {
  color: var(--pink);
  border-color: var(--border-pink);
  background: rgba(255,45,120,0.08);
}

.aud-badge.B {
  color: var(--cyan);
  border-color: var(--border-cyan);
  background: rgba(0,245,212,0.08);
}

.aud-badge.C {
  color: var(--yellow);
  border-color: rgba(245,196,0,0.35);
  background: rgba(245,196,0,0.08);
}

.paper-reader {
  --paper-card: rgba(255,255,255,0.035);
  --paper-line: rgba(255,255,255,0.13);
  --paper-muted: #9c93af;
  line-height: 1.85;
}

.paper-reader .note-panel,
.paper-reader .toc-section,
.paper-reader details.sec,
.paper-reader .figure-card {
  background: var(--paper-card);
  border: 1px solid var(--paper-line);
  margin-bottom: 1.2rem;
}

.paper-reader .note-panel {
  border-left: 4px solid var(--cyan);
  padding: 1.2rem 1.35rem;
}

.paper-reader .note-label,
.paper-reader .toc-title,
.paper-reader .section-title {
  color: var(--cyan);
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 2px;
}

.paper-reader .note-content p,
.paper-reader .note-content li,
.paper-reader .sec-content p,
.paper-reader .figure-explain p {
  color: var(--text);
}

.paper-reader .toc-section {
  padding: 1rem 1.2rem;
}

.paper-reader .toc {
  list-style: none;
  padding-left: 0;
}

.paper-reader .toc li {
  padding: 0.25rem 0;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.82rem;
}

.paper-reader .toc-page {
  color: var(--paper-muted);
  margin-left: 0.4rem;
}

.paper-reader .figures-section {
  margin: 2rem 0;
}

.paper-reader .section-title {
  border-bottom: 1px solid var(--border-cyan);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.paper-reader .figure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.paper-reader .figure-card {
  overflow: hidden;
}

.paper-reader .figure-card img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  background: #fff;
  cursor: zoom-in;
}

.paper-reader .figure-meta,
.paper-reader .figure-explain {
  padding: 0.8rem 0.95rem;
  border-top: 1px solid var(--paper-line);
}

.paper-reader .fig-id {
  color: var(--yellow);
  font-family: 'Share Tech Mono', monospace;
}

.paper-reader details.sec {
  overflow: hidden;
}

.paper-reader details.sec summary {
  cursor: pointer;
  padding: 0.85rem 1rem;
  color: var(--cyan);
  background: rgba(0,245,212,0.05);
  font-weight: 600;
}

.paper-reader .sec-content {
  padding: 1rem 1.15rem;
}

.paper-reader .bilingual-block {
  border-left: 2px solid var(--border-purple);
  padding-left: 1rem;
  margin: 1rem 0;
}

.paper-reader .en {
  color: var(--paper-muted);
}

.paper-reader .zh {
  color: var(--text);
}

.paper-reader .lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  padding: 2rem;
  background: rgba(0,0,0,0.9);
}

.paper-reader .lightbox.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.paper-reader .lightbox-img-wrap {
  max-width: min(96vw, 1280px);
  max-height: 76vh;
  overflow: auto;
  background: #fff;
}

.paper-reader .lightbox-img-wrap img {
  display: block;
  max-width: none;
}

.paper-reader .lightbox-caption,
.paper-reader .lightbox-meta {
  max-width: min(96vw, 980px);
  color: var(--text);
  background: rgba(8,0,20,0.96);
  border: 1px solid var(--border-cyan);
  padding: 0.8rem 1rem;
}

.paper-reader .lightbox-close {
  color: var(--cyan);
  background: rgba(0,245,212,0.08);
  border: 1px solid var(--border-cyan);
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

@media (max-width: 720px) {
  .navbar {
    padding: 1rem 1.2rem;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .nav-links a {
    margin-left: 0.8rem;
    letter-spacing: 1px;
  }

  .container {
    margin: 1.5rem auto;
    padding: 0 1rem;
  }

  .post-full {
    padding: 1.2rem;
  }

  .paper-reader-hero {
    padding: 1rem;
  }

  .paper-reader .figure-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    padding: 1.5rem 1.2rem;
  }
}