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

@font-face {
  font-family: "Departure Mono";
  src: url("https://fonts.cdnfonts.com/s/104312/DepartureMono-Regular.woff2") format("woff2");
  font-display: swap;
}

:root {
  --accent: #52b788;
  --accent-dim: rgba(82, 183, 136, .2);
  --accent-glow: rgba(82, 183, 136, .08);
  --bg-glass: rgba(11, 15, 26, .65);
  --bg-glass-card: rgba(11, 15, 26, .55);
  --bg-glass-footer: rgba(11, 15, 26, .75);
  --text: #e4e9f2;
  --text-dim: #9aa4bc;
  --text-muted: #6a7490;
  --border: rgba(82, 183, 136, .12);
  --radius: 16px;
  --radius-sm: 8px;
  --font-mono: "Departure Mono", "JetBrains Mono", "Fira Code", monospace;
  --font-serif: "Georgia", "Noto Serif SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
}

html { scroll-behavior: smooth; scrollbar-gutter: stable; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.7;
  min-height: 100dvh;
  background: #080b14;
}

/* ===== 背景图片 + 毛玻璃 ===== */
.bg-layer {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
}

.bg-layer img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
}

.bg-layer .overlay {
  position: absolute; inset: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
}

.page {
  position: relative; z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

/* ===== Hero ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: 100dvh;
}

.hero-content { position: relative; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: .35rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: .75rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  letter-spacing: -.2px;
  background: rgba(255,255,255,.03);
}

.hero-badge .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: dotPulse 1.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent); }
  50% { opacity: .3; box-shadow: none; }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero-title .highlight {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  font-size: clamp(.95rem, 2vw, 1.05rem);
  color: var(--text-dim);
  line-height: 1.9;
  margin-bottom: 2rem;
  max-width: 440px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: .7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all .25s ease;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #0b0f1a;
}
.btn-primary:hover {
  background: #5fd6a0;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-dim);
}

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text-dim);
  background: rgba(255,255,255,.04);
}
.btn-outline:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== Terminal ===== */
.hero-terminal {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  font-family: var(--font-mono);
  font-size: .8rem;
}

.terminal-header {
  display: flex; align-items: center; gap: 8px;
  padding: .75rem 1rem;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: auto; font-size: .7rem;
  color: var(--text-muted); letter-spacing: -.2px;
}

.terminal-body { padding: 1.25rem; line-height: 1.9; }

.terminal-line { opacity: 0; animation: typeIn .4s ease forwards; }
.terminal-line:nth-child(1) { animation-delay: .3s; }
.terminal-line:nth-child(2) { animation-delay: .9s; }
.terminal-line:nth-child(3) { animation-delay: 1.5s; }
.terminal-line:nth-child(4) { animation-delay: 2.1s; }
.terminal-line:nth-child(5) { animation-delay: 2.7s; }
.terminal-line:nth-child(6) { animation-delay: 3.3s; }

@keyframes typeIn { to { opacity: 1; } }

.terminal-line .prompt { color: var(--accent); }
.terminal-line .cmd { color: #e4e9f2; }
.terminal-line .output { color: var(--text-dim); }
.terminal-line .output .highlight { color: var(--accent); }
.terminal-line .output .key { color: #7c9bff; }
.terminal-line .output .str { color: #a8d85a; }
.terminal-line .output .num { color: #f5a97f; }

.terminal-cursor {
  display: inline-block;
  width: 7px; height: 16px;
  background: var(--accent);
  animation: cursorBlink 1s step-end infinite;
  vertical-align: text-bottom; margin-left: 2px;
}
@keyframes cursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ===== Section ===== */
.section {
  padding: 3.5rem 0;
}

.section:first-of-type {
  padding-top: 5rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  margin-bottom: .75rem;
  line-height: 1.3;
}

.section-desc {
  color: var(--text-dim);
  font-size: .9rem;
  max-width: 500px;
  margin-bottom: 2rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

/* ===== Featured Post ===== */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all .25s ease;
}

.post-card:hover {
  background: rgba(11, 15, 26, .7);
  border-color: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
}

.post-card .tag {
  display: inline-block;
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--accent);
  padding: .2rem .6rem;
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  margin-bottom: .75rem;
  width: fit-content;
}

.post-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .5rem;
  line-height: 1.4;
}

.post-card p {
  font-size: .8rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.post-card .meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 1rem;
  font-size: .75rem;
  color: var(--text-muted);
}

.post-card .meta .arrow {
  margin-left: auto;
  color: var(--accent);
  transition: transform .25s ease;
}

.post-card:hover .meta .arrow { transform: translateX(4px); }

.view-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1.25rem;
  font-size: .85rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .25s ease;
}

.view-all:hover { color: var(--accent); }

/* ===== Tool Card ===== */
.tool-card {
  display: block;
  position: relative;
  max-width: 520px;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(255,255,255,.06);
  transition: all .3s ease;
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
}

.tool-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.tool-card-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(82, 183, 136, .08), rgba(60, 100, 200, .06));
  z-index: 0;
  transition: opacity .3s ease;
}

.tool-card:hover .tool-card-bg {
  opacity: 0;
}

.tool-card-content {
  position: relative; z-index: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.tool-card-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: .3rem;
}

.tool-card-desc {
  font-size: .8rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.tool-card-stack {
  margin-top: .5rem;
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: -.2px;
}

.tool-card-arrow {
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform .25s ease;
  margin-left: auto;
}

.tool-card:hover .tool-card-arrow {
  transform: translateX(4px);
}

/* ===== Footer ===== */
.footer {
  margin-top: 4rem;
  padding: 3rem 0 2rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), rgba(82, 183, 136, .4), var(--accent-dim), transparent);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -.3px;
}

.footer-tagline {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .82rem;
  font-family: var(--font-mono);
  transition: color .25s ease;
  position: relative;
  letter-spacing: -.2px;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .25s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .6rem;
  text-align: right;
}

.footer-icp {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
}

.footer-icp .sep {
  color: var(--text-muted);
  opacity: .4;
}

.footer-copy {
  font-size: .8rem;
  color: var(--text-dim);
}

.footer-quote {
  font-size: .7rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 360px;
  line-height: 1.5;
  text-align: right;
}

.footer-icp a {
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color .25s ease;
}

.footer-icp a:hover { color: var(--accent); }

.footer-icp .gongan-icon {
  width: 16px; height: 16px;
  display: inline-block;
  background: url("https://img.eucalyptus.cc/images/gongan.png") center/contain no-repeat;
  flex-shrink: 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
    padding-top: 2rem;
  }
  .hero-terminal { display: none; }
  .hero-badge { display: none; }

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

  .footer-main {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-right {
    align-items: center;
    text-align: center;
  }

  .footer-icp { justify-content: center; }
  .footer-quote { text-align: center; max-width: 100%; }
  .footer-tagline { max-width: 100%; }
  .footer::before { width: 80%; }
}

@media (prefers-reduced-motion: reduce) {
  .terminal-line, .terminal-cursor, .hero-badge .dot { animation: none !important; }
  .terminal-line { opacity: 1; }
  .terminal-cursor { opacity: 1; }
}