/* ============================================================
   Teardrop · 个人主页
   二次元 × 极客 双主题（light / dark）· 毛玻璃视觉
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root {
  /* 强调色（两种主题共用色相，亮度不同） */
  --pink: #ff8fc5;
  --violet: #a78bfa;
  --cyan: #7ce3ff;
  --lime: #9dffc4;
  --sakura: #ffc2dd;

  /* 暗色（默认） */
  --bg: #0a0714;
  --bg-2: #150f26;
  --text: #f2ecff;
  --text-dim: #b3aacb;
  --text-mute: #8379a3;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-2: rgba(255, 255, 255, 0.095);
  --line: rgba(255, 255, 255, 0.14);
  --line-hi: rgba(255, 255, 255, 0.32);
  --term-bg: rgba(12, 9, 22, 0.74);
  --term-line: rgba(255, 255, 255, 0.1);
  --shadow: 0 20px 46px -20px rgba(0, 0, 0, 0.8);
  --shadow-hi: 0 26px 60px -22px rgba(167, 139, 250, 0.55);
  --scan-opacity: 0.045;
  --orb-opacity: 0.52;
  --grid-line: rgba(255, 255, 255, 0.022);
  --btn-ghost-bg: rgba(255, 255, 255, 0.06);

  --radius: 24px;
  --radius-sm: 14px;
  --blur: 20px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Code",
    Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

html[data-theme="light"] {
  --pink: #e8549a;
  --violet: #7c66e8;
  --cyan: #0d9dc0;
  --lime: #22a35a;
  --sakura: #ff9dc8;

  --bg: #f7f1f8;
  --bg-2: #efe6f4;
  --text: #241a35;
  --text-dim: #574a6e;
  --text-mute: #82759b;
  --glass: rgba(255, 255, 255, 0.66);
  --glass-2: rgba(255, 255, 255, 0.85);
  --line: rgba(60, 35, 80, 0.1);
  --line-hi: rgba(60, 35, 80, 0.24);
  --term-bg: rgba(255, 255, 255, 0.86);
  --term-line: rgba(60, 35, 80, 0.09);
  --shadow: 0 18px 40px -22px rgba(90, 50, 120, 0.3);
  --shadow-hi: 0 24px 54px -24px rgba(232, 84, 154, 0.4);
  --scan-opacity: 0.015;
  --orb-opacity: 0.45;
  --grid-line: rgba(60, 35, 80, 0.03);
  --btn-ghost-bg: rgba(255, 255, 255, 0.75);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.45s var(--ease), color 0.45s var(--ease);
}

/* ---------- 背景层 ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1100px 700px at 12% -8%, color-mix(in srgb, var(--pink) 26%, transparent), transparent 62%),
    radial-gradient(900px 700px at 88% 4%, color-mix(in srgb, var(--cyan) 20%, transparent), transparent 60%),
    radial-gradient(1200px 900px at 50% 110%, color-mix(in srgb, var(--violet) 26%, transparent), transparent 65%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 48%, var(--bg) 100%);
  transition: background 0.45s var(--ease);
}
html[data-theme="light"] .bg {
  background:
    radial-gradient(1000px 640px at 10% -10%, rgba(224, 76, 143, 0.16), transparent 62%),
    radial-gradient(860px 640px at 90% 2%, rgba(10, 147, 181, 0.14), transparent 60%),
    radial-gradient(1100px 820px at 50% 112%, rgba(106, 90, 224, 0.16), transparent 66%),
    linear-gradient(160deg, #f4f5fb 0%, #e9ebf6 48%, #f2f3f9 100%);
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(72px);
  opacity: var(--orb-opacity);
  z-index: -2;
  pointer-events: none;
  will-change: transform;
  transition: opacity 0.45s var(--ease);
}
.orb-1 {
  width: 420px; height: 420px; top: -110px; left: -90px;
  background: radial-gradient(circle at 30% 30%, var(--pink), var(--violet) 70%);
  animation: drift-a 22s var(--ease) infinite alternate;
}
.orb-2 {
  width: 360px; height: 360px; top: 32%; right: -120px;
  background: radial-gradient(circle at 60% 40%, var(--cyan), var(--violet) 72%);
  animation: drift-b 26s var(--ease) infinite alternate;
}
.orb-3 {
  width: 300px; height: 300px; bottom: -100px; left: 34%;
  background: radial-gradient(circle at 40% 60%, var(--pink), var(--violet) 75%);
  animation: drift-c 30s var(--ease) infinite alternate;
  opacity: calc(var(--orb-opacity) * 0.7);
}
@keyframes drift-a { to { transform: translate3d(120px, 90px, 0) scale(1.18); } }
@keyframes drift-b { to { transform: translate3d(-130px, 110px, 0) scale(1.12); } }
@keyframes drift-c { to { transform: translate3d(90px, -120px, 0) scale(1.2); } }

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
}

/* 极客扫描线（暗色下轻微可见） */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--scan-opacity);
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.9) 0 1px,
    transparent 1px 3px
  );
  mix-blend-mode: overlay;
}

.cursor-glow {
  position: fixed;
  width: 520px; height: 520px;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle, color-mix(in srgb, var(--pink) 16%, transparent), transparent 62%);
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  opacity: 0;
}
body.has-pointer .cursor-glow { opacity: 1; }

/* ---------- 容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- 毛玻璃 ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(var(--blur)) saturate(165%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(165%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  transition: background 0.45s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    150deg,
    color-mix(in srgb, #fff 16%, transparent) 0%,
    color-mix(in srgb, #fff 4%, transparent) 28%,
    transparent 55%
  );
  pointer-events: none;
  opacity: 0.9;
}
html[data-theme="light"] .glass::before {
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.35) 30%, transparent 60%);
}
@supports not ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
  .glass { background: var(--bg-2); }
  .nav-inner { background: var(--bg-2); }
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 0;
  transition: padding 0.35s var(--ease);
}
.nav.scrolled { padding: 8px 0; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px 10px 20px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-2) 62%, transparent);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--line);
  box-shadow: 0 14px 40px -24px rgba(0, 0, 0, 0.85);
  transition: background 0.45s var(--ease), border-color 0.3s;
}
html[data-theme="light"] .nav-inner { background: rgba(255, 255, 255, 0.78); }

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.01em;
  font-size: 0.98rem;
}
.brand .mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 0.86rem;
  font-family: var(--mono);
  font-weight: 800;
  background: linear-gradient(140deg, var(--pink), var(--violet));
  box-shadow: 0 8px 22px -10px color-mix(in srgb, var(--pink) 90%, transparent);
  color: #fff;
}
.brand .sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-top: 1px;
}
.brand .tilde { color: var(--lime); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-family: var(--mono);
  color: var(--text-dim);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.28s var(--ease);
}
.nav-links a:hover {
  color: var(--text);
  background: var(--glass-2);
  border-color: var(--line);
}
.nav-links a.active {
  color: var(--text);
  background: color-mix(in srgb, var(--violet) 20%, transparent);
  border-color: color-mix(in srgb, var(--violet) 42%, transparent);
}
.nav-links a.active::before { content: "./"; color: var(--pink); }

/* 主题切换 */
.theme-toggle {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass-2);
  color: var(--text);
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.theme-toggle:hover {
  transform: rotate(-14deg) scale(1.06);
  border-color: var(--line-hi);
}
.theme-toggle .sun { display: none; }
html[data-theme="light"] .theme-toggle .sun { display: block; }
html[data-theme="light"] .theme-toggle .moon { display: none; }

.nav-toggle {
  display: none;
  background: var(--glass-2);
  border: 1px solid var(--line);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
}
.nav-right { display: flex; align-items: center; gap: 8px; }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 46px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 46px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 15px;
  font-size: 0.74rem;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  color: var(--lime);
  border-radius: 999px;
  background: color-mix(in srgb, var(--lime) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--lime) 32%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.45rem);
  line-height: 1.22;
  margin: 20px 0 16px;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.grad-text {
  background: linear-gradient(110deg, var(--pink) 0%, var(--violet) 45%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 220% auto;
  animation: hue-slide 9s linear infinite;
}
@keyframes hue-slide { to { background-position: 220% center; } }

.hero p.lead {
  color: var(--text-dim);
  font-size: 1rem;
  margin: 0 0 26px;
  max-width: 34em;
}
.hero p.lead .kw {
  font-family: var(--mono);
  color: var(--text);
  background: color-mix(in srgb, var(--violet) 14%, transparent);
  border-radius: 5px;
  padding: 1px 6px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s,
    border-color 0.3s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--violet) 85%);
  color: #fff;
  box-shadow: 0 16px 34px -16px color-mix(in srgb, var(--pink) 85%, transparent);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 44px -16px color-mix(in srgb, var(--pink) 95%, transparent);
}
.btn-ghost {
  background: var(--btn-ghost-bg);
  border-color: var(--line);
  color: var(--text);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.btn-ghost:hover {
  transform: translateY(-3px);
  background: var(--glass-2);
  border-color: var(--line-hi);
}
.btn .mono { font-family: var(--mono); }

/* ---------- 头像环（关于页使用） ---------- */
.avatar-ring {
  width: 96px; height: 96px;
  border-radius: 50%;
  padding: 3px;
  background: conic-gradient(from 0deg, var(--pink), var(--violet), var(--cyan), var(--pink));
  animation: spin 12s linear infinite;
  position: relative;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-ring::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--pink) 35%, transparent), transparent 68%);
  filter: blur(14px);
  z-index: -1;
}
.avatar {
  width: 100%; height: 100%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(165deg, var(--pink), var(--violet) 62%, var(--cyan));
  animation: spin 12s linear infinite reverse;
  border: 3px solid var(--bg);
}

/* ---------- 终端窗口 ---------- */
.term {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--term-bg);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: background 0.45s var(--ease), border-color 0.3s;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 15px;
  border-bottom: 1px solid var(--term-line);
  background: color-mix(in srgb, var(--bg) 30%, transparent);
}
.term-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--text-mute);
  opacity: 0.55;
}
.term-dot.r { background: #ff5f57; opacity: 0.9; }
.term-dot.y { background: #ffbd2e; opacity: 0.9; }
.term-dot.g { background: #28c840; opacity: 0.9; }
.term-title {
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  letter-spacing: 0.03em;
}
.term-body {
  padding: 18px 20px 22px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.95;
  color: var(--text-dim);
}
.term-line { white-space: pre-wrap; word-break: break-word; }
.term-line .p { color: var(--lime); }
.term-line .c { color: var(--text); }
.term-line .o { color: var(--text-dim); }
.term-line .k { color: var(--cyan); }
.term-line .s { color: var(--pink); }
.term-line .m { color: var(--violet); }
.caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--lime);
  vertical-align: -2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.term-foot {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--term-line);
}
.chip {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--text-dim);
  background: color-mix(in srgb, var(--violet) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--violet) 26%, transparent);
}
.chip.pink { color: var(--pink); background: color-mix(in srgb, var(--pink) 12%, transparent); border-color: color-mix(in srgb, var(--pink) 28%, transparent); }
.chip.cyan { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 12%, transparent); border-color: color-mix(in srgb, var(--cyan) 28%, transparent); }
.chip.lime { color: var(--lime); background: color-mix(in srgb, var(--lime) 12%, transparent); border-color: color-mix(in srgb, var(--lime) 30%, transparent); }

/* ---------- 区块标题 ---------- */
.section { padding: 34px 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.section-head h2 {
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.01em;
}
.section-head h2::before {
  content: "#";
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--pink);
  font-weight: 700;
  text-shadow: 0 0 16px color-mix(in srgb, var(--pink) 70%, transparent);
}
.section-head .more {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-mute);
  transition: color 0.25s;
}
.section-head .more:hover { color: var(--pink); }

/* ---------- 联系方式 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.contact-card {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: transform 0.36s var(--ease), border-color 0.3s, box-shadow 0.36s var(--ease);
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-hi);
  box-shadow: var(--shadow-hi);
}
.contact-icon {
  width: 42px; height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--violet) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--violet) 30%, transparent);
  color: var(--violet);
}
.contact-icon.pink { color: var(--pink); background: color-mix(in srgb, var(--pink) 14%, transparent); border-color: color-mix(in srgb, var(--pink) 30%, transparent); }
.contact-icon.cyan { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 14%, transparent); border-color: color-mix(in srgb, var(--cyan) 30%, transparent); }
.contact-icon.lime { color: var(--lime); background: color-mix(in srgb, var(--lime) 14%, transparent); border-color: color-mix(in srgb, var(--lime) 30%, transparent); }
.contact-meta { min-width: 0; }
.contact-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 2px;
}
.contact-value {
  font-size: 0.9rem;
  font-family: var(--mono);
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
a.contact-card:hover .contact-value { color: var(--pink); }
.contact-value.placeholder {
  color: var(--text-mute);
  font-style: normal;
  border-bottom: 1px dashed var(--line-hi);
  display: inline-block;
  padding-bottom: 1px;
}

/* ---------- 项目卡 ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.project-card { padding: 22px; }
.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.project-card h3 {
  margin: 0;
  font-size: 1rem;
  font-family: var(--mono);
  display: flex;
  align-items: center;
  gap: 8px;
}
.project-card h3::before { content: "▸"; color: var(--cyan); font-size: 0.9em; }
.project-card p {
  margin: 0 0 16px;
  font-size: 0.865rem;
  color: var(--text-dim);
}
.project-stack { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- 文章卡片 ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.post-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  transition: transform 0.42s var(--ease), box-shadow 0.42s var(--ease),
    border-color 0.42s var(--ease);
}
.post-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-hi);
  box-shadow: var(--shadow-hi);
}
.post-cover {
  height: 130px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 1.9rem;
  letter-spacing: 4px;
  color: #fff;
}
.post-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, color-mix(in srgb, var(--bg) 55%, transparent));
}
.cover-1 { background: linear-gradient(135deg, color-mix(in srgb, var(--pink) 62%, transparent), color-mix(in srgb, var(--violet) 55%, transparent)); }
.cover-2 { background: linear-gradient(135deg, color-mix(in srgb, var(--cyan) 50%, transparent), color-mix(in srgb, var(--violet) 58%, transparent)); }
.cover-3 { background: linear-gradient(135deg, color-mix(in srgb, var(--pink) 48%, transparent), color-mix(in srgb, var(--cyan) 50%, transparent)); }
.cover-4 { background: linear-gradient(135deg, color-mix(in srgb, var(--violet) 58%, transparent), color-mix(in srgb, var(--cyan) 46%, transparent)); }

.post-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 11px;
}
.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 3px 9px;
  border-radius: 5px;
  color: var(--pink);
  background: color-mix(in srgb, var(--pink) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--pink) 26%, transparent);
}
.tag::before { content: "#"; opacity: 0.75; margin-right: 1px; }
.tag.cy { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 10%, transparent); border-color: color-mix(in srgb, var(--cyan) 26%, transparent); }
.tag.vi { color: var(--violet); background: color-mix(in srgb, var(--violet) 11%, transparent); border-color: color-mix(in srgb, var(--violet) 27%, transparent); }

.post-card h3 {
  margin: 0 0 9px;
  font-size: 1.03rem;
  line-height: 1.5;
  transition: color 0.3s;
}
.post-card:hover h3 { color: var(--pink); }
.post-card p.excerpt {
  color: var(--text-dim);
  font-size: 0.855rem;
  margin: 0 0 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 双栏 ---------- */
.layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 24px;
  align-items: start;
}
.side-card { padding: 20px; margin-bottom: 18px; }
.side-card h4 {
  margin: 0 0 14px;
  font-size: 0.85rem;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.side-card h4::before { content: "//"; color: var(--cyan); font-size: 0.85em; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
.tag-cloud a {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 5px 10px;
  border-radius: 7px;
  background: var(--glass-2);
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: all 0.28s var(--ease);
}
.tag-cloud a:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--pink) 45%, transparent);
  background: color-mix(in srgb, var(--pink) 12%, transparent);
  transform: translateY(-2px);
}

.mini-list { list-style: none; margin: 0; padding: 0; }
.mini-list li + li { margin-top: 12px; }
.mini-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 0.83rem;
  color: var(--text-dim);
  transition: color 0.25s;
}
.mini-list a:hover { color: var(--pink); }
.mini-list .num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-mute);
  flex-shrink: 0;
}

/* 侧栏 GitHub 卡 */
.gh-card { padding: 20px; }
.gh-card .gh-name {
  font-family: var(--mono);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.gh-card .gh-name::before { content: "◇"; color: var(--pink); }
.gh-card p { margin: 0 0 14px; font-size: 0.8rem; color: var(--text-dim); }
.gh-stats {
  display: flex;
  gap: 18px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.gh-stats b { color: var(--text); font-weight: 600; }

/* ---------- 页脚 ---------- */
.footer { margin-top: 64px; padding: 30px 0 44px; }
.footer-inner {
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  font-family: var(--mono);
  color: var(--text-mute);
}
.footer-inner a:hover { color: var(--pink); }
.footer-links { display: flex; gap: 16px; }

/* ---------- 文章内页 ---------- */
.article { padding: 44px 48px; margin-top: 32px; }
.article-head { margin-bottom: 30px; }
.article-head h1 {
  font-size: clamp(1.55rem, 3.6vw, 2.25rem);
  line-height: 1.35;
  margin: 14px 0 16px;
  letter-spacing: -0.01em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-mute);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.article-body > * { color: var(--text-dim); }
.article-body h2 {
  color: var(--text);
  font-size: 1.28rem;
  margin: 38px 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-body h2::before {
  content: "#";
  font-family: var(--mono);
  color: var(--pink);
  font-size: 0.92em;
}
.article-body h3 { color: var(--text); font-size: 1.04rem; margin: 26px 0 10px; }
.article-body p { margin: 0 0 16px; }
.article-body strong { color: var(--text); font-weight: 600; }
.article-body a {
  color: var(--pink);
  border-bottom: 1px dashed color-mix(in srgb, var(--pink) 55%, transparent);
}
.article-body a:hover { color: var(--text); }
.article-body ul, .article-body ol { padding-left: 22px; margin: 0 0 16px; }
.article-body li { margin-bottom: 8px; }
.article-body code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 2px 6px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--violet) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--violet) 24%, transparent);
  color: color-mix(in srgb, var(--violet) 78%, var(--text));
}
.article-body pre {
  background: color-mix(in srgb, var(--bg) 62%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0 0 20px;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-dim);
  font-size: 0.83rem;
  line-height: 1.7;
}
.article-body blockquote,
.about-card blockquote {
  margin: 0 0 20px;
  padding: 14px 20px;
  border-left: 3px solid var(--pink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--pink) 7%, transparent);
  color: var(--text-dim);
}
.article-body blockquote p:last-child,
.about-card blockquote p:last-child { margin-bottom: 0; }

.article-foot {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.article-foot a { color: var(--text-dim); }
.article-foot a:hover { color: var(--pink); }

/* ---------- 归档 ---------- */
.archive-year { margin-bottom: 28px; }
.archive-year h3 {
  font-size: 0.95rem;
  font-family: var(--mono);
  margin: 0 0 12px;
  color: var(--pink);
  letter-spacing: 0.06em;
}
.archive-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  margin-bottom: 9px;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--line);
  transition: all 0.32s var(--ease);
}
.archive-item:hover {
  background: var(--glass-2);
  border-color: var(--line-hi);
  transform: translateX(6px);
}
.archive-item .date {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  flex-shrink: 0;
}
.archive-item .title { font-size: 0.9rem; }
.archive-item .arrow { margin-left: auto; color: var(--text-mute); font-family: var(--mono); font-size: 0.72rem; }

/* ---------- 关于 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
}
.about-card { padding: 26px; }
.about-card h3 { margin: 0 0 12px; font-size: 1rem; font-family: var(--mono); }
.about-card p { color: var(--text-dim); font-size: 0.885rem; margin: 0 0 12px; }

.skill-bar { margin-bottom: 14px; }
.skill-bar .label {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.skill-bar .track {
  height: 6px;
  border-radius: 999px;
  background: var(--glass-2);
  overflow: hidden;
}
.skill-bar .fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--violet));
  box-shadow: 0 0 14px color-mix(in srgb, var(--pink) 55%, transparent);
  animation: grow 1.4s var(--ease) both;
}
@keyframes grow { from { width: 0 !important; } }

/* ---------- 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- 滚动条 / 选中 ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: color-mix(in srgb, var(--bg) 70%, transparent); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, color-mix(in srgb, var(--pink) 55%, transparent), color-mix(in srgb, var(--violet) 55%, transparent));
  border-radius: 999px;
  border: 2px solid var(--bg);
}
::selection { background: color-mix(in srgb, var(--pink) 35%, transparent); color: var(--text); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 52px; }
  .layout { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .article { padding: 32px 26px; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--bg-2) 88%, transparent);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  html[data-theme="light"] .nav-links { background: rgba(255, 255, 255, 0.95); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 14px; }
  .nav-inner { position: relative; }
  .post-grid { grid-template-columns: 1fr; }
  .article { padding: 24px 18px; margin-top: 18px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero { padding-bottom: 30px; }
  .term-body { font-size: 0.74rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   二次元增强层
   ============================================================ */

/* ---------- 樱花花瓣 ---------- */
.sakura-layer {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}
.sakura {
  position: absolute;
  top: -10vh;
  width: 10px;
  height: 10px;
  background: radial-gradient(circle at 30% 30%, #fff, var(--sakura) 72%);
  border-radius: 100% 0 100% 0;
  opacity: 0.55;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--pink) 40%, transparent));
  animation-name: petal-fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}
html[data-theme="light"] .sakura { opacity: 0.72; }
@keyframes petal-fall {
  0% { transform: translate3d(0, -10vh, 0) rotate(0deg); }
  100% { transform: translate3d(80px, 110vh, 0) rotate(620deg); }
}

/* ---------- 玻璃贴纸内描边 ---------- */
.glass::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px dashed color-mix(in srgb, var(--pink) 24%, transparent);
  border-radius: calc(var(--radius) - 7px);
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.35s var(--ease);
}
.glass:hover::after { opacity: 0.85; }
/* 封面卡片、胶囊容器不画虚线 */
.post-card::after { display: none; }
.footer-inner::after {
  inset: 5px;
  border-radius: 999px;
}
@media (max-width: 720px) {
  .footer-inner::after { border-radius: calc(var(--radius) - 7px); }
}
.contact-card::after { border-radius: 18px; }

/* ---------- 卡片弹性手感 ---------- */
.post-card { transition: transform 0.42s var(--spring), box-shadow 0.42s var(--ease), border-color 0.42s var(--ease); }
.post-card:hover { transform: translateY(-6px) rotate(-0.5deg); }
.contact-card:hover { transform: translateY(-4px) rotate(-0.6deg); }
.project-card { transition: transform 0.4s var(--spring), border-color 0.3s, box-shadow 0.4s var(--ease); }
.project-card:hover {
  transform: translateY(-5px) rotate(0.5deg);
  border-color: var(--line-hi);
  box-shadow: var(--shadow-hi);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.03); }

/* ---------- 标题装饰 ---------- */
.section-head h2::after {
  content: "✧";
  font-family: var(--mono);
  font-size: 0.8em;
  color: var(--violet);
  opacity: 0.85;
}
.hero-badge { border-style: dashed; }
.tag { border-radius: 999px; }

/* ---------- 日文点缀 ---------- */
.jp,
.jp-sub,
.vertical-jp,
.speech {
  font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", "PingFang SC", var(--mono);
}
.jp-sub {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--pink);
}
.jp-sub::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--pink), transparent);
}
.jp-note {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--text-mute);
  font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

.vertical-jp {
  position: fixed;
  top: 34%;
  right: 16px;
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--text-mute);
  opacity: 0.6;
  z-index: 5;
  pointer-events: none;
}
@media (max-width: 1180px) { .vertical-jp { display: none; } }

/* 对话气泡 */
.speech {
  position: relative;
  display: inline-block;
  padding: 8px 15px;
  margin-bottom: 14px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text);
  background: color-mix(in srgb, var(--sakura) 20%, var(--glass));
  border: 1px solid color-mix(in srgb, var(--pink) 34%, transparent);
  border-radius: 16px 16px 16px 5px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.speech::before {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--pink) 55%, transparent);
}

/* ---------- 封面纹理 ---------- */
.post-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.16) 0 2px,
    transparent 2px 12px
  );
  opacity: 0.55;
  mix-blend-mode: overlay;
}

/* ---------- 浅色模式的柔和背景 ---------- */
html[data-theme="light"] .bg {
  background:
    radial-gradient(1000px 640px at 10% -10%, rgba(255, 157, 200, 0.28), transparent 62%),
    radial-gradient(860px 640px at 90% 2%, rgba(124, 227, 255, 0.2), transparent 60%),
    radial-gradient(1100px 820px at 50% 112%, rgba(167, 139, 250, 0.24), transparent 66%),
    linear-gradient(160deg, #fbf6fb 0%, #f2e9f5 48%, #f8f2fa 100%);
}

/* ---------- 细节收尾 ---------- */
.hero h1 { text-shadow: 0 0 42px color-mix(in srgb, var(--pink) 18%, transparent); }
html[data-theme="light"] .hero h1 { text-shadow: none; }
.term { border-radius: var(--radius); }
.chip { border-radius: 999px; }
.archive-item { border-radius: 16px; }
.footer-inner { border-radius: 999px; }
@media (max-width: 720px) {
  .footer-inner { border-radius: var(--radius); }
}

/* ---------- 首页右列（气泡 + 终端） ---------- */
.hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}
.hero-side .term { width: 100%; }

/* ---------- 备案信息（无卡片，贴合背景） ---------- */
.footer-legal {
  margin-top: 14px;
  text-align: center;
  font-size: 0.7rem;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  color: var(--text-mute);
  opacity: 0.78;
}
.footer-legal a {
  color: inherit;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}
.footer-legal a:hover {
  color: var(--pink);
  opacity: 1;
}

/* ---------- 头像展示 ---------- */
.hero-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.hero-id {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  min-width: 0;
}
.hero-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}
.hero-name::after {
  content: "online";
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  background: color-mix(in srgb, var(--lime) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--lime) 34%, transparent);
  border-radius: 999px;
  padding: 1px 7px;
}
.avatar-sm {
  width: 64px;
  height: 64px;
  animation-duration: 18s;
}
.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 2px solid var(--bg);
  background: var(--glass-2);
}
@media (max-width: 720px) {
  .hero-top { margin-bottom: 16px; }
  .avatar-sm { width: 58px; height: 58px; }
}