@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Orbitron:wght@700;900&display=swap');

/* ===== CSS 变量 ===== */
:root {
  --bg: #0d0d0d;
  --green: #39ff14;
  --magenta: #ff00aa;
  --green-dim: rgba(57,255,20,0.18);
  --magenta-dim: rgba(255,0,170,0.18);
  --green-glow: 0 0 12px #39ff14, 0 0 32px rgba(57,255,20,0.4);
  --magenta-glow: 0 0 12px #ff00aa, 0 0 32px rgba(255,0,170,0.4);
  --text: #e0ffe0;
  --text-dim: #7aad7a;
  --sidebar-w: 220px;
  --radius-card: 28px;
  --radius-pill: 999px;
  --font-head: 'Orbitron', 'JetBrains Mono', monospace;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-body: 'JetBrains Mono', system-ui, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
}
body, .cyberpunk-body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--magenta); }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); line-height: 1.2; }

/* ===== scroll-margin-top for anchored sections ===== */
section[id] {
  scroll-margin-top: 80px;
}
@media (min-width: 900px) {
  section[id] {
    scroll-margin-top: 40px;
  }
}

/* ===== Site Wrapper ===== */
.site-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  left: 0; top: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: rgba(13,13,13,0.97);
  border-right: 1px solid var(--green-dim);
  display: flex;
  flex-direction: column;
  padding: 28px 16px 20px;
  z-index: 100;
  overflow-y: auto;
}
.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--magenta));
  box-shadow: var(--green-glow);
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 28px;
}
.sidebar-logo {
  display: block;
}
.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.logo-text {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--green);
  text-shadow: var(--green-glow);
  letter-spacing: 0.05em;
}
.brand-name {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* Nav DL */
.nav-dl {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.nav-dl dt,
.nav-dl dd {
  width: 100%;
}

.nav-pill {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  background: rgba(57,255,20,0.06);
  border: 1px solid rgba(57,255,20,0.2);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: left;
  min-height: 40px;
  line-height: 1.3;
  cursor: pointer;
}
.nav-pill:hover,
.nav-pill.active {
  background: var(--green-dim);
  color: var(--green);
  border-color: var(--green);
  box-shadow: var(--green-glow);
}
.nav-pill--accent {
  background: var(--magenta-dim);
  border-color: var(--magenta);
  color: var(--magenta);
  margin-top: 8px;
}
.nav-pill--accent:hover {
  background: rgba(255,0,170,0.28);
  color: var(--magenta);
  box-shadow: var(--magenta-glow);
}

.nav-contact { margin-top: 12px; }

.sidebar-footer-note {
  margin-top: auto;
  padding-top: 20px;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  border-top: 1px solid rgba(57,255,20,0.1);
}

/* ===== Content Area ===== */
.content-area {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ===== Hero ===== */
.hero-block {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 45vh;
  padding: 40px 48px 40px 40px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--green-dim);
}
.hero-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(57,255,20,0.07) 0%, transparent 70%),
              radial-gradient(ellipse at 30% 80%, rgba(255,0,170,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  z-index: 2;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--magenta);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 3rem);
  font-weight: 900;
  color: var(--green);
  text-shadow: var(--green-glow);
  letter-spacing: 0.04em;
  line-height: 1.15;
}
.hero-sub {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 420px;
  line-height: 1.7;
}
.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition);
  min-height: 44px;
}
.cta-btn:hover {
  background: var(--green-dim);
  box-shadow: var(--green-glow);
  color: var(--green);
}

.hero-visual {
  flex: 0 0 320px;
  height: 100%;
  min-height: 260px;
  position: relative;
  z-index: 2;
  will-change: transform;
}
.hero-matrix {
  width: 100%;
  height: 100%;
  min-height: 260px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--green-dim);
  background: #020a02;
}
.matrix-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-card);
  opacity: 0.7;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  padding: 0;
}

/* Content Section */
.content-section {
  display: grid;
  grid-template-columns: 1fr 240px;
  grid-template-rows: auto 1fr;
  gap: 0 32px;
  padding: 48px 40px 48px 40px;
  position: relative;
}

.section-deco {
  grid-column: 1 / -1;
  grid-row: 1;
  margin-bottom: 24px;
}
.neon-bar {
  height: 2px;
  border-radius: 2px;
  width: 100%;
}
.neon-bar--green {
  background: linear-gradient(90deg, var(--green), transparent);
  box-shadow: 0 0 8px var(--green);
}
.neon-bar--magenta {
  background: linear-gradient(90deg, var(--magenta), transparent);
  box-shadow: 0 0 8px var(--magenta);
}

/* Prose content (page.content injected here) */
.prose-content {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
}

/* Content aside */
.content-aside {
  grid-column: 2;
  grid-row: 2;
}
.aside-panel {
  position: sticky;
  top: 40px;
  background: rgba(57,255,20,0.04);
  border: 1px solid var(--green-dim);
  border-radius: var(--radius-card);
  padding: 20px 16px;
}
.aside-title {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--magenta);
  letter-spacing: 0.15em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.aside-title span {
  display: inline-block;
  border-bottom: 1px solid var(--magenta-dim);
  padding-bottom: 4px;
}
.aside-nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.aside-link {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  min-height: 34px;
  line-height: 1.4;
}
.aside-link:hover,
.aside-link.active {
  color: var(--green);
  border-color: var(--green-dim);
  background: var(--green-dim);
}

/* ===== Prose Styles (page.content内部) ===== */
.prose-content h2 {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 900;
  color: var(--green);
  margin: 2.2rem 0 0.9rem;
  letter-spacing: 0.04em;
  text-shadow: 0 0 8px rgba(57,255,20,0.3);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--green-dim);
}
.prose-content h2 span {
  display: inline;
}
.prose-content h3 {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 700;
  color: var(--magenta);
  margin: 1.8rem 0 0.7rem;
  letter-spacing: 0.05em;
  text-shadow: 0 0 6px rgba(255,0,170,0.3);
}
.prose-content h3 span {
  display: inline;
}
.prose-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1.1rem;
}
.prose-content a {
  color: var(--green);
  border-bottom: 1px solid var(--green-dim);
  transition: color var(--transition), border-color var(--transition);
}
.prose-content a:hover {
  color: var(--magenta);
  border-color: var(--magenta-dim);
}
.prose-content ul,
.prose-content ol {
  padding-left: 1.2rem;
  margin-bottom: 1.1rem;
  list-style: none;
}
.prose-content ul li,
.prose-content ol li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.55rem;
  line-height: 1.7;
}
.prose-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85em;
}
.prose-content ol {
  counter-reset: ol-counter;
}
.prose-content ol li {
  counter-increment: ol-counter;
}
.prose-content ol li::before {
  content: counter(ol-counter,decimal-leading-zero) '.';
  position: absolute;
  left: 0;
  color: var(--magenta);
  font-family: var(--font-mono);
  font-size: 0.8em;
}
.prose-content blockquote {
  border-left: 3px solid var(--magenta);
  padding: 12px 20px;
  margin: 1.4rem 0;
  background: var(--magenta-dim);
  border-radius: 0 12px 12px 0;
  color: var(--text-dim);
  font-style: italic;
}
.prose-content strong {
  color: var(--green);
  font-weight: 700;
}
.prose-content em {
  color: var(--magenta);
}
.prose-content section {
  margin-bottom: 3.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(57,255,20,0.08);
}
.prose-content section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

/* ===== Scroll Reveal ===== */
.reveal-section,
.prose-content > * {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}
.reveal-section.revealed,
.prose-content > *.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-section,
  .prose-content > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== Footer ===== */
.site-footer {
  padding: 32px 40px 24px;
  border-top: 1px solid var(--green-dim);
  text-align: center;
  background: rgba(13,13,13,0.98);
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), var(--magenta), transparent);
}
.footer-brand {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  text-shadow: var(--green-glow);
}
.site-footer small,
.footer-note {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .hero-visual {
    flex: 0 0 240px;
  }
  .content-section {
    grid-template-columns: 1fr 200px;
    padding: 36px 28px;
  }
}

@media (max-width: 899px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    position: fixed;
    left: 0; top: 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 10px 16px;
    border-right: none;
    border-bottom: 1px solid var(--green-dim);
    overflow-x: auto;
    overflow-y: hidden;
    z-index: 200;
  }
  .sidebar::before {
    height: 2px;
    bottom: 0; top: auto;
  }
  .sidebar-brand {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-bottom: 0;
    margin-right: 16px;
    flex-shrink: 0;
  }
  .brand-name { display: none; }
  .sidebar-footer-note { display: none; }
  .sidebar-nav { flex: 1; overflow-x: auto; }
  .nav-dl {
    flex-direction: row;
    gap: 6px;
    flex-wrap: nowrap;
    width: max-content;
  }
  .nav-dl dt, .nav-dl dd { width: auto; }
  .nav-pill {
    width: auto;
    padding: 8px 14px;
    font-size: 0.65rem;
    white-space: nowrap;
    min-height: 40px;
  }

  .content-area {
    margin-left: 0;
    margin-top: 64px;
  }

  .hero-block {
    flex-direction: column;
    padding: 32px 20px 28px;
    min-height: auto;
    gap: 24px;
  }
  .hero-text { align-items: flex-start; }
  .hero-visual {
    flex: none;
    width: 100%;
    min-height: 180px;
  }

  .content-section {
    grid-template-columns: 1fr;
    padding: 28px 20px;
    gap: 24px 0;
  }
  .content-aside {
    grid-column: 1;
    grid-row: 3;
  }
  .prose-content {
    grid-column: 1;
    grid-row: 2;
  }
  .section-deco {
    grid-column: 1;
    grid-row: 1;
  }
  .aside-panel { position: static; }

  .site-footer { padding: 24px 20px 20px; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 1.4rem; }
  .hero-sub { font-size: 0.9rem; }
  .prose-content h2 { font-size: 1.15rem; }
  .prose-content h3 { font-size: 1rem; }
  .content-section { padding: 20px 14px; }
}