/* 作品集伪装页 */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --fg: #1a1a1a;
  --fg-2: #4a4a4a;
  --fg-3: #888;
  --line: #ececec;
  --bg: #fff;
  --bg-2: #fafafa;
  --accent: #1a1a1a;
}

html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 28px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  user-select: none; cursor: pointer;
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 600;
  letter-spacing: 0;
}
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: 0.5px; }
.nav { display: flex; gap: 28px; }
.nav a {
  font-size: 14px; color: var(--fg-2);
  transition: color .15s;
}
.nav a:hover { color: var(--fg); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 96px 28px 80px;
}
.eyebrow {
  font-size: 13px; color: var(--fg-3);
  letter-spacing: 1.5px; text-transform: uppercase;
  margin: 0 0 16px;
}
.hero-title {
  margin: 0 0 24px;
  font-size: 44px; font-weight: 700;
  line-height: 1.18; letter-spacing: -1px;
}
.hero-lede {
  margin: 0 0 28px;
  font-size: 17px; color: var(--fg-2);
  line-height: 1.7;
  max-width: 460px;
}
.hero-meta { font-size: 14px; color: var(--fg-3); display: flex; gap: 8px; }

.hero-visual { display: flex; flex-direction: column; gap: 28px; }
.avatar-block {
  display: flex; align-items: center; gap: 14px;
  padding: 20px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg,#5b3dff,#07C160);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 600;
}
.avatar-info { display: flex; flex-direction: column; }
.avatar-info strong { font-size: 16px; font-weight: 600; }
.avatar-info span { font-size: 13px; color: var(--fg-3); }

.stats {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 12px; list-style: none; padding: 0; margin: 0;
}
.stats li {
  text-align: center;
  padding: 18px 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.stats strong {
  display: block; font-size: 28px; font-weight: 700;
  letter-spacing: -0.5px;
}
.stats span { font-size: 12px; color: var(--fg-3); }

/* Section */
.section-head { margin: 0 0 40px; }
.section-title {
  margin: 0 0 8px;
  font-size: 28px; font-weight: 700;
  letter-spacing: -0.5px;
}
.section-sub { margin: 0; color: var(--fg-3); font-size: 15px; }

/* Work */
.work { padding: 56px 28px 40px; border-top: 1px solid var(--line); }
.project {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.project-rev { grid-template-columns: 1fr 280px; }
.project-rev .project-cover { order: 2; }
.project-cover {
  width: 100%; aspect-ratio: 4/3;
  border-radius: 10px;
}
.project-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
  font-size: 13px; color: var(--fg-3);
}
.tag {
  padding: 3px 10px;
  background: #f0f0f0; border-radius: 12px;
  font-size: 12px; color: var(--fg-2);
}
.project-title {
  margin: 0 0 12px;
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.3px;
}
.project-desc {
  margin: 0 0 16px;
  color: var(--fg-2); font-size: 15px;
  line-height: 1.7;
}
.project-stack {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.project-stack span {
  padding: 4px 10px;
  font-size: 12px; color: var(--fg-3);
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* Writing */
.writing { padding: 56px 28px; border-top: 1px solid var(--line); }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li {
  border-bottom: 1px solid var(--line);
}
.post-list a {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 22px 0;
  align-items: baseline;
}
.post-list a:hover .post-title { color: var(--fg-2); }
.post-date { font-size: 13px; color: var(--fg-3); font-variant-numeric: tabular-nums; }
.post-title { font-size: 17px; font-weight: 600; display: block; margin-bottom: 4px; transition: color .15s; }
.post-excerpt { font-size: 14px; color: var(--fg-3); display: block; }

/* About */
.about { padding: 56px 28px; border-top: 1px solid var(--line); }
.about-grid {
  display: grid; grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}
.about-bio p { margin: 0 0 14px; color: var(--fg-2); font-size: 15px; }
.about-links h4 { margin: 0 0 14px; font-size: 14px; color: var(--fg-3); letter-spacing: 1px; text-transform: uppercase; }
.about-links ul { list-style: none; padding: 0; margin: 0; }
.about-links li {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.about-links li span { color: var(--fg-3); }
.about-links li a { color: var(--fg); font-weight: 500; }

/* Contact CTA */
.contact-cta {
  padding: 96px 28px;
  text-align: center;
  border-top: 1px solid var(--line);
}
.contact-cta h2 {
  margin: 0 0 16px;
  font-size: 32px; font-weight: 700;
  letter-spacing: -0.5px;
}
.contact-cta p {
  margin: 0 0 32px;
  color: var(--fg-2); font-size: 16px;
}
.cta-btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent); color: #fff;
  border-radius: 28px;
  font-size: 15px; font-weight: 500;
  transition: transform .15s, opacity .15s;
}
.cta-btn:active { transform: scale(.97); opacity: .9; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--fg-3);
}

/* 密码浮层 */
.pwd-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(20,20,25,.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.pwd-overlay[hidden] { display: none; }
.pwd-card {
  width: 100%; max-width: 340px;
  background: #fff; border-radius: 18px;
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
  text-align: center;
}
.pwd-card h3 {
  margin: 0 0 22px;
  font-size: 17px; font-weight: 600;
}
.pwd-card input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 16px;
  outline: none;
  margin-bottom: 14px;
  text-align: center;
  letter-spacing: 3px;
  transition: border-color .15s;
}
.pwd-card input:focus { border-color: var(--accent); }
.pwd-card button {
  width: 100%;
  padding: 13px 0;
  background: var(--accent); color: #fff;
  border: none; border-radius: 12px;
  font-size: 15px; font-weight: 500;
  cursor: pointer;
  transition: opacity .15s;
}
.pwd-card button:active { opacity: .85; }
.pwd-card button:disabled { opacity: .5; }
.pwd-err {
  margin: 14px 0 0;
  color: #e74c3c; font-size: 13px;
  min-height: 18px;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 64px 24px 56px; }
  .hero-title { font-size: 32px; }
  .project, .project-rev { grid-template-columns: 1fr; gap: 20px; }
  .project-rev .project-cover { order: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .post-list a { grid-template-columns: 64px 1fr; gap: 12px; }
  .nav { gap: 18px; }
  .footer-inner { flex-direction: column; gap: 6px; }
}