/* ============================================================
   YQzQY — homepage replica
   Dark glassmorphism / particle-universe personal site
   ============================================================ */

/* 字体定义见 assets/fonts/fonts.css（含 woff2 与内嵌 data-uri 双保险） */

:root {
  color-scheme: dark;

  --bg: #030409;
  --bg-raised: #0a0c15;
  --fg: #e8eaf2;
  --fg-muted: #9ba1b6;
  --fg-dim: #5f667c;
  --line: #ffffff14;
  --line-strong: #ffffff29;
  --surface: #0c0e18b8;
  --surface-strong: #0e101ce6;

  --cyan: #67e8f9;
  --violet: #a78bfa;
  --blue: #60a5fa;
  --amber: #fbbf24;
  --rose: #fb7185;
  --lime: #a3e635;
  --accent: var(--cyan);

  --font-sans: "display", -apple-system, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-code: "mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --nav-h: 68px;
  --radius: 24px;
  --radius-sm: 14px;
  --radius-pill: 9999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);

  /* glass */
  --glass-blur: 1.1px;
  --glass-saturate: 145%;
  --glass-brightness: 112%;
  --glass-contrast: 103%;
  --glass-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate))
    brightness(var(--glass-brightness)) contrast(var(--glass-contrast));
  --glass-tint: #0f142014;
  --glass-border: #ffffff1f;
  --glass-border-hover: #ffffff38;
  --glass-surface-subtle: linear-gradient(155deg, #ffffff0a, transparent 65%),
    #0f14200a;
  --glass-surface-base: linear-gradient(155deg, #fff1, #ffffff04 65%),
    var(--glass-tint);
  --glass-surface-raised: linear-gradient(155deg, #ffffff14, #ffffff05 65%),
    #0f14201f;
  --glass-surface-accent: linear-gradient(155deg, #ffffff14, transparent 70%),
    color-mix(in srgb, var(--accent) 12%, #0f142014);
  --glass-bevel: inset 0 1px 0 #ffffff38, inset 0 -1px 0 #00000059;
  --glass-bevel-strong: inset 0 1.5px 0 #ffffff4d, inset 0 -1.5px 0 #00000073;
  --glass-shadow-sm: var(--glass-bevel), 0 4px 16px -8px #00000059;
  --glass-shadow-md: var(--glass-bevel), 0 12px 32px -16px #00000073;
  --glass-shadow-lg: var(--glass-bevel-strong), 0 20px 48px -18px #0000008c;
  --glass-spot-radius: 90px;
}

* { box-sizing: border-box; }

html {
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  background: var(--bg);
  min-height: 100dvh;
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  flex-direction: column;
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  display: flex;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:is(h1, h2, h3, p, ul, ol) { margin: 0; }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  padding-inline: var(--gutter);
  margin-inline: auto;
}

.mono {
  font-family: var(--font-code);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-size: 0.75rem;
}

.skip-link {
  z-index: 100;
  background: var(--fg);
  color: var(--bg);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

.sr-only {
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  position: absolute;
  overflow: hidden;
}

/* ============================================================
   液态玻璃 lens
   ============================================================ */
.lens {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.lens::before {
  content: "";
  border-radius: inherit;
  background: var(--glass-surface, var(--glass-surface-base));
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  z-index: -1;
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.lens::after {
  content: "";
  border-radius: inherit;
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.35s ease;
  background:
    radial-gradient(var(--glass-spot-radius) circle at var(--mx, 50%) var(--my, 50%),
      #ffffff24, #ffffff00 62%),
    radial-gradient(160% 120% at var(--mx, 50%) var(--my, 50%),
      color-mix(in srgb, var(--accent, var(--cyan)) 16%, transparent), transparent 55%);
  mix-blend-mode: screen;
}
.lens:hover::after { opacity: 1; }

/* ============================================================
   粒子舞台
   ============================================================ */
.stage {
  z-index: 0;
  pointer-events: none;
  position: fixed;
  inset: 0;
  overflow: hidden;
}
.stage-nebula {
  background:
    radial-gradient(900px 600px at 82% 8%, #6366f121, #0000 60%),
    radial-gradient(700px 520px at 8% 40%, #22d3ee12, #0000 60%),
    radial-gradient(800px 600px at 50% 110%, #a78bfa17, #0000 60%),
    radial-gradient(1.2px 1.2px at 12% 18%, #ffffffb3, #0000 60%),
    radial-gradient(1px 1px at 72% 32%, #ffffff8c, #0000 60%),
    radial-gradient(1.4px 1.4px at 38% 72%, #fff9, #0000 60%),
    radial-gradient(1px 1px at 88% 78%, #ffffff73, #0000 60%),
    radial-gradient(1.2px 1.2px at 22% 88%, #ffffff80, #0000 60%),
    radial-gradient(1px 1px at 58% 12%, #ffffff80, #0000 60%);
  position: absolute;
  inset: -10%;
}
.stage-canvas {
  opacity: 0;
  width: 100%;
  height: 100%;
  transition: opacity 1.2s;
  display: block;
  position: absolute;
  inset: 0;
}
.stage-canvas.is-ready { opacity: 1; }

/* ============================================================
   导航
   ============================================================ */
.nav {
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid #0000;
  align-items: center;
  transition: background 0.35s, border-color 0.35s, box-shadow 0.35s;
  display: flex;
  position: fixed;
  inset: 0 0 auto;
}
.nav.is-scrolled {
  background: #03040999;
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner {
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  height: 100%;
  display: flex;
}
.brand {
  letter-spacing: 0.03em;
  border-radius: var(--radius-pill);
  transition: all 0.25s var(--ease-spring);
  border: 1px solid #0000;
  align-items: center;
  gap: 0.65rem;
  padding: 0.3rem 0.75rem 0.3rem 0.4rem;
  font-size: 1.15rem;
  font-weight: 700;
  display: inline-flex;
}
.brand:hover {
  background: var(--glass-surface-subtle);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow-sm);
}
.brand-mark {
  filter: drop-shadow(0 0 10px #67e8f94d);
  width: 32px;
  height: 32px;
  transition: filter 0.3s ease, transform 0.3s var(--ease-spring);
  flex: none;
  border-radius: 7px;
}
.brand:hover .brand-mark {
  filter: drop-shadow(0 0 18px #67e8f9a6);
  transform: scale(1.06);
}

.links {
  --glass-surface: var(--glass-surface-subtle);
  border-radius: var(--radius-pill);
  background: var(--glass-surface-subtle);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-shadow-sm);
  border: 1px solid #ffffff1a;
  align-items: center;
  gap: clamp(0.2rem, 1vw, 0.4rem);
  margin: 0;
  padding: 0.3rem 0.38rem;
  list-style: none;
  display: flex;
  position: relative;
}
.link {
  border-radius: var(--radius-pill);
  font-family: var(--font-code);
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s var(--ease-spring), transform 0.22s var(--ease-spring);
  border: 1px solid #0000;
  padding: 0.42rem 0.85rem;
  font-size: 0.78rem;
  display: inline-block;
  position: relative;
}
.link:hover {
  color: #fff;
  background: var(--glass-surface-base);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-bevel);
  transform: translateY(-0.5px);
}
.link-active {
  color: var(--fg);
  background: var(--glass-surface-raised);
  border-color: var(--glass-border);
  box-shadow: var(--glass-bevel);
  font-weight: 500;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  padding: calc(var(--nav-h) + 1rem) var(--gutter) 4rem;
  place-items: center;
  display: grid;
  position: relative;
}
.hero-inner {
  flex-direction: column;
  align-items: center;
  gap: clamp(0.75rem, 2.5vh, 1.75rem);
  width: 100%;
  display: flex;
}

[data-hero-fade] {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-in 1.2s var(--ease-out) var(--fd, 0s) forwards;
}
@keyframes hero-in {
  to { opacity: 1; transform: none; }
}

.kinetic {
  letter-spacing: 0.34em;
  white-space: nowrap;
  cursor: default;
  user-select: none;
  padding-left: 0.34em;
  font-size: clamp(1rem, 2.3vw, 1.7rem);
  font-weight: 500;
}
.line-top { color: var(--fg); text-align: center; letter-spacing: 0.16em; padding-left: 0.16em; }
.line-bottom {
  color: var(--cyan);
  text-shadow: 0 0 24px #67e8f973;
  text-align: center;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
}
.kinetic .letter {
  text-indent: 0;
  will-change: transform;
  display: inline-block;
}
.kinetic .letter > span {
  animation: float var(--dur, 3s) ease-in-out var(--delay, 0s) infinite alternate;
  display: inline-block;
}
@keyframes float {
  from { transform: translateY(calc(var(--amp, 2px) * -1)) rotate(calc(var(--rot, 1deg) * -1)); }
  to   { transform: translateY(var(--amp, 2px)) rotate(var(--rot, 1deg)); }
}

.wordmark {
  place-items: center;
  width: min(90vw, 1040px);
  height: clamp(110px, min(22vw, 32vh), 280px);
  display: grid;
  position: relative;
  container-type: size;
}
.wordmark-fallback {
  font-family: "display", "SpaceGrotesk", sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
  color: #e8eaf2eb;
  font-size: min(21.83vw, 252.3px, max(135px, min(27vw, 39.3vh, 344px)));
  width: 100%;
  left: 0;
  margin: 0;
  padding: 0;
  text-align: center;
  font-weight: 700;
  line-height: 1;
  position: absolute;
}
.wordmark.is-dismiss .wordmark-fallback {
  opacity: 0;
  transition: opacity 0.16s linear;
}
.wordmark .particle-canvas { opacity: 0; }
.wordmark.is-gather .particle-canvas { opacity: 1; }

.scroll-hint {
  font-family: var(--font-code);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-dim);
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.68rem;
  display: flex;
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-hint i {
  background: linear-gradient(180deg, var(--cyan), transparent);
  transform-origin: top;
  width: 1px;
  height: 42px;
  animation: drop 2.4s var(--ease-out) infinite;
}
@keyframes drop {
  0%   { opacity: 1; transform: scaleY(0); }
  60%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); }
}

/* ============================================================
   INTERLUDE
   ============================================================ */
.interlude {
  align-items: flex-end;
  min-height: 95vh;
  padding-bottom: 12vh;
  display: flex;
  position: relative;
}
.interlude-copy { gap: 0.85rem; max-width: 36rem; display: grid; scroll-margin-top: calc(var(--nav-h) + 2rem); }
.interlude-eyebrow {
  font-family: var(--font-code);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  font-size: 0.72rem;
}
.interlude-title {
  color: var(--fg);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
}
.interlude-body {
  max-width: 30rem;
  color: var(--fg-muted);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.8;
}
.interlude-link {
  --glass-surface: var(--glass-surface-accent);
  border-radius: var(--radius-pill);
  width: fit-content;
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-bevel), 0 4px 16px -4px #67e8f940;
  font-family: var(--font-code);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  transition: all 0.25s var(--ease-spring);
  background: #67e8f90f;
  border: 1px solid #67e8f959;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
  padding: 0.45rem 1.05rem;
  font-size: 0.75rem;
  display: inline-flex;
}
.interlude-link:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-sm);
  transform: translateY(-1.5px);
}
.interlude-link span { transition: transform 0.25s var(--ease-spring); display: inline-block; }
.interlude-link:hover span { transform: translate(3px); }

/* ============================================================
   通用区块 / heading
   ============================================================ */
.section { padding-block: clamp(5rem, 14vh, 9rem); position: relative; }

.heading {
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 0.6rem 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  display: grid;
}
.heading-main { align-items: baseline; gap: 1rem; min-width: 0; display: flex; }
.index {
  font-family: var(--font-code);
  color: var(--cyan);
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  transform: translateY(-0.4em);
}
.heading .title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 600; }
.note { grid-column: 1; }
.more {
  --glass-surface: var(--glass-surface-subtle);
  font-family: var(--font-code);
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  background: var(--glass-surface-subtle);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-bevel), 0 4px 14px -4px #0006;
  transition: all 0.25s var(--ease-spring);
  white-space: nowrap;
  grid-area: 1 / 2;
  align-self: end;
  padding: 0.45rem 1.05rem;
  font-size: 0.8rem;
}
.more:hover {
  color: var(--fg);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-sm);
  transform: translateY(-1.5px);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.showcase { perspective: 1400px; gap: clamp(2rem, 6vh, 5rem); display: grid; }
.row {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  min-height: 78vh;
  display: grid;
}
.row-flip .row-card { order: 2; }
.row-card { transform-origin: 50%; will-change: transform; }
.row-shape { aspect-ratio: 1; width: 100%; max-height: 68vh; }

.card {
  --accent: var(--cyan);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-surface-base);
  height: 100%;
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-shadow-md);
  isolation: isolate;
  transition: border-color 0.3s ease, box-shadow 0.4s var(--ease-spring),
    transform 0.4s var(--ease-spring);
  flex-direction: column;
  display: flex;
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-5px);
}
.card:hover .cover img { transform: scale(1.045); }

.cover {
  aspect-ratio: 16 / 10;
  background: #05070e;
  position: relative;
  overflow: hidden;
}
.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-out);
}
.cover-panel {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.2rem;
  padding: 1.15rem 1.25rem;
  background:
    radial-gradient(90% 80% at 100% 0%, color-mix(in srgb, var(--accent) 46%, transparent), transparent 58%),
    linear-gradient(165deg, #141a28, #07090f);
}
.cover-panel strong {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 650;
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.cover-panel span {
  color: var(--fg-dim);
  font-size: 0.82rem;
}
.cover::after {
  content: "";
  pointer-events: none;
  background: linear-gradient(#0000 75%, #05070e40);
  position: absolute;
  inset: 0;
}

.card-body {
  background: linear-gradient(160deg, #ffffff0a 0%, #080c1833 100%);
  flex-direction: column;
  flex: 1;
  gap: 0.75rem;
  padding: 1.35rem 1.45rem 1.5rem;
  display: flex;
}
.meta {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  display: flex;
}
.meta-lead { flex-wrap: wrap; align-items: center; gap: 0.6rem; min-width: 0; display: inline-flex; }

.status {
  --dot: var(--fg-dim);
  border-radius: var(--radius-pill);
  background: var(--glass-surface-subtle);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-sm);
  font-family: var(--font-code);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  align-items: center;
  gap: 0.45rem;
  padding: 0.22rem 0.65rem;
  font-size: 0.68rem;
  display: inline-flex;
}
.status i {
  background: var(--dot);
  width: 6.5px;
  height: 6.5px;
  box-shadow: 0 0 10px 1px var(--dot);
  border-radius: 50%;
}
.status-live { --dot: var(--lime); }
.status-building { --dot: var(--cyan); }
.status-building i { animation: 1.8s ease-in-out infinite pulse; }
.status-idea { --dot: var(--violet); }
.status-paused { --dot: var(--amber); }
.status-archived { --dot: var(--fg-dim); }
@keyframes pulse { 50% { opacity: 0.35; transform: scale(0.8); } }

.pill {
  border-radius: var(--radius-pill);
  font-family: var(--font-code);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--glass-border);
  color: var(--fg-muted);
  box-shadow: var(--glass-shadow-sm);
  white-space: nowrap;
  background: #ffffff0d;
  flex-shrink: 0;
  align-items: center;
  gap: 0.3rem;
  padding: 0.16rem 0.55rem;
  font-size: 0.65rem;
  display: inline-flex;
}
.pill-demo {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: #fff;
  box-shadow: 0 0 10px -2px color-mix(in srgb, var(--accent) 40%, transparent);
}
.period {
  font-family: var(--font-code);
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  font-size: 0.72rem;
}

.card-title { font-size: 1.35rem; line-height: 1.25; display: flex; gap: 0.4rem; align-items: baseline; }
.title-text { min-width: 0; overflow-wrap: anywhere; }
.summary {
  color: color-mix(in srgb, var(--fg) 80%, transparent);
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  font-size: 0.95rem;
  line-height: 1.62;
  display: -webkit-box;
  overflow: hidden;
}
.tags { flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; list-style: none; display: flex; margin-top: auto; padding-top: 0.35rem; }
.tags li {
  font-family: var(--font-code);
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  color: var(--fg-muted);
  background: var(--glass-surface-subtle);
  box-shadow: var(--glass-shadow-sm);
  transition: all 0.2s var(--ease-spring);
  padding: 0.22rem 0.65rem;
  font-size: 0.68rem;
}
.tags li:hover {
  color: var(--fg);
  border-color: var(--glass-border-hover);
  background: var(--glass-surface-base);
  transform: translateY(-0.5px);
}

.feature {
  --glass-refraction: 1.25;
  --glass-surface: var(--glass-surface-raised);
  padding: clamp(0.6rem, 1.2vw, 0.8rem);
}
.feature .cover { border: 1px solid var(--glass-border); border-radius: calc(var(--radius) - 10px); }
.feature .card-title { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.feature .card-body { background: linear-gradient(165deg, #ffffff05, #0f14201a); padding: 1.3rem 1rem 1rem; }
.feature .summary { -webkit-line-clamp: 4; font-size: 1rem; }

/* ============================================================
   SPACE
   ============================================================ */
.space-grid {
  grid-template-columns: minmax(0, 1.75fr) minmax(260px, 1fr);
  align-items: start;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
}
.empty {
  --glass-surface: var(--glass-surface-base);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  text-align: center;
  color: var(--fg-muted);
  font-family: var(--font-code);
  letter-spacing: 0.04em;
  background: var(--glass-surface-subtle);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-shadow-sm);
  padding: 3.5rem 1.5rem;
  font-size: 0.85rem;
}

.space-feed { top: calc(var(--nav-h) + 1.5rem); gap: 0.9rem; display: grid; position: sticky; }
.feed-list { gap: 0.75rem; margin: 0; padding: 0; list-style: none; display: grid; }

.moment {
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-surface-base);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-shadow-sm);
  transition: border-color 0.3s ease, box-shadow 0.4s var(--ease-spring),
    transform 0.4s var(--ease-spring);
  gap: 0.9rem;
  padding: 1.25rem 1.4rem 1.35rem;
  display: grid;
  position: relative;
  overflow: hidden;
}
.moment:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-2px);
}
.moment-head {
  font-family: var(--font-code);
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.72rem;
  display: flex;
}
.kind {
  color: var(--kind);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  align-items: center;
  gap: 0.45rem;
  display: inline-flex;
}
.kind::before {
  content: "";
  background: var(--kind);
  width: 6px;
  height: 6px;
  box-shadow: 0 0 10px var(--kind);
  border-radius: 50%;
}
.moment-text { font-size: 1rem; line-height: 1.8; }
.moment-text > * + * { margin-top: 0.7em; }
.moment-compact { grid-template-columns: 1fr auto; gap: 0.5rem 1rem; padding: 1rem 1.1rem; }
.moment-compact .moment-head { grid-column: 1 / -1; }
.moment-compact .moment-text {
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  font-size: 0.93rem;
  line-height: 1.65;
  display: -webkit-box;
  overflow: hidden;
}
.moment-thumb {
  background: #ffffff0d;
  border-radius: 10px;
  width: 64px;
  height: 64px;
  position: relative;
  overflow: hidden;
  flex: none;
}
.moment-thumb img { width: 100%; height: 100%; object-fit: cover; }

.feed-more {
  --glass-surface: var(--glass-surface-accent);
  border-radius: var(--radius-pill);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  font-family: var(--font-code);
  letter-spacing: 0.06em;
  color: var(--cyan);
  transition: all 0.22s var(--ease-spring);
  background: #67e8f90d;
  border: 1px solid #67e8f94d;
  justify-self: start;
  align-items: center;
  padding: 0.42rem 0.95rem;
  font-size: 0.78rem;
  display: inline-flex;
  box-shadow: inset 0 1px 0.5px #fff3;
}
.feed-more:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-sm);
  transform: translateY(-1px);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding-block: clamp(5rem, 14vh, 9rem) clamp(4rem, 10vh, 7rem); position: relative; }
.contact header p { text-transform: none; }
.contact-stage {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 5rem);
  min-height: 58vh;
  display: grid;
  position: relative;
}
.contact-body { justify-items: start; gap: 1.8rem; min-width: 0; display: grid; position: relative; }
.contact-shape { width: 100%; height: min(58vh, 560px); }

.email {
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-surface-base);
  width: min(100%, 38rem);
  -webkit-backdrop-filter: var(--glass-filter);
  backdrop-filter: var(--glass-filter);
  box-shadow: var(--glass-shadow-md);
  transition: border-color 0.3s ease, box-shadow 0.4s var(--ease-spring),
    transform 0.4s var(--ease-spring);
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 1.4rem;
  padding: 1.4rem 1.7rem;
  display: grid;
  position: relative;
  overflow: hidden;
}
.email:hover, .email:focus-visible {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-4px);
}
.email-label {
  font-family: var(--font-code);
  letter-spacing: 0.18em;
  color: var(--cyan);
  grid-column: 1 / -1;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
}
.email-address {
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
  min-width: 0;
  color: var(--fg);
  font-size: clamp(1.4rem, 2.9vw, 2.6rem);
  font-weight: 600;
}
.email-arrow {
  width: 44px;
  height: 44px;
  box-shadow: var(--glass-bevel);
  color: var(--cyan);
  transition: all 0.25s var(--ease-spring);
  background: #ffffff0f;
  border: 1px solid #ffffff29;
  border-radius: 50%;
  justify-content: center;
  align-items: center;
  font-size: 1.4rem;
  line-height: 1;
  display: inline-flex;
}
.email:hover .email-arrow, .email:focus-visible .email-arrow {
  background: color-mix(in srgb, var(--cyan) 25%, #ffffff1a);
  border-color: var(--cyan);
  box-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 50%, transparent);
  transform: translate(3px, -3px) scale(1.08);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  z-index: 1;
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(#0f142009, #0f142029);
  position: relative;
}
.footer-inner {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
  padding-block: 2.2rem;
  display: flex;
}
.footer-brand { align-items: baseline; gap: 0.75rem; font-weight: 700; display: flex; }
.footer-brand .mono { letter-spacing: 0.06em; font-weight: 400; }
.footer-note { color: var(--fg-dim); flex: 1; min-width: 200px; font-size: 0.85rem; }
.footer-links {
  font-family: var(--font-code);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  font-size: 0.78rem;
  list-style: none;
  display: flex;
}
.footer-link {
  --glass-surface: var(--glass-surface-subtle);
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  background: var(--glass-surface-subtle);
  box-shadow: var(--glass-shadow-sm);
  color: var(--fg-muted);
  transition: all 0.22s var(--ease-spring);
  padding: 0.35rem 0.75rem;
  display: inline-block;
}
.footer-link:hover {
  color: var(--fg);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-sm);
  transform: translateY(-1px);
}

/* ============================================================
   滚动揭示
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.95s var(--ease-out) var(--rd, 0s),
    transform 0.95s var(--ease-out) var(--rd, 0s);
  will-change: auto;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* 局部粒子画布容器 */
.particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
}
.particle-host { position: relative; }
.frame-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  display: block;
}
.frame-canvas ~ .container,
.particle-frame > .container { position: relative; z-index: 1; }

/* ============================================================
   响应式
   ============================================================ */
/* ============================================================
   工具目录
   ============================================================ */
.catalog {
  z-index: 1;
  padding: calc(var(--nav-h) + 2.6rem) 0 5rem;
  position: relative;
}
.catalog-head h1 {
  letter-spacing: -0.03em;
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 650;
  line-height: 1.15;
}
.catalog-head p {
  max-width: 36rem;
  color: var(--fg-muted);
  margin: 0.7rem 0 0;
  font-size: 1.05rem;
  line-height: 1.7;
}
.catalog-bar {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.85rem 1.25rem;
  margin-top: 1.7rem;
  display: flex;
}
.filters, .sort {
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  display: flex;
}
.sort-label {
  color: var(--fg-dim);
  margin-right: 0.15rem;
  font-size: 0.82rem;
}
.filter, .sort-btn {
  font-family: inherit;
  color: var(--fg-muted);
  cursor: pointer;
  background: #ffffff0d;
  border: 1px solid #ffffff1c;
  border-radius: var(--radius-pill);
  padding: 0.42rem 0.95rem;
  font-size: 0.92rem;
  line-height: 1.2;
}
.filter:hover, .sort-btn:hover { color: var(--fg); border-color: var(--glass-border-hover); }
.filter.is-on, .sort-btn.is-on {
  color: var(--fg);
  background: #10151f;
  border-color: #ffffff40;
  box-shadow: var(--glass-bevel);
}
.catalog-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
  display: grid;
}
.tool-card {
  --accent: var(--cyan);
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--glass-border);
  background: var(--glass-surface-base);
  box-shadow: var(--glass-shadow-md);
  border-radius: 22px;
  flex-direction: column;
  min-width: 0;
  display: flex;
  overflow: hidden;
}
.tool-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
}
.tool-card .cover { aspect-ratio: 16 / 9; }
.tool-card .card-body { padding: 1.15rem 1.2rem 1.25rem; }
.tool-card .summary {
  color: var(--fg-muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
}
.catalog-empty {
  color: var(--fg-muted);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius);
  margin-top: 1.2rem;
  padding: 1.4rem 1.2rem;
}
.catalog-empty[hidden] { display: none; }

@media (max-width: 760px) {
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .catalog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .row { grid-template-columns: 1fr; gap: 1.25rem; min-height: auto; }
  .row-flip .row-card { order: 0; }
  .row-shape { aspect-ratio: auto; order: -1; height: 40vh; }
  .space-grid { grid-template-columns: 1fr; }
  .space-feed { position: static; }
  .contact-stage { grid-template-columns: 1fr; gap: 0; min-height: auto; padding-top: 4rem; }
  .contact-shape { height: min(48vh, 390px); }
  .heading { grid-template-columns: 1fr; }
  .more { grid-area: auto / 1; justify-self: start; }
}

@media (max-width: 640px) {
  .brand { gap: 0.35rem; padding-inline: 0.2rem; font-size: 0.88rem; }
  .brand-mark { width: 26px; height: 26px; }
  .links { gap: 0.15rem; padding: 0.22rem 0.25rem; }
  .link { letter-spacing: 0.04em; padding: 0.35rem 0.45rem; font-size: 0.68rem; }
  .scroll-hint { display: none; }
  .footer-note { flex-basis: 100%; }
}

/* ============================================================
   工具详情（布局参考项目页：截图 / 简介 / 教程 / 优化记录）
   ============================================================ */
.repo {
  z-index: 1;
  padding: calc(var(--nav-h) + 1.5rem) 0 4.5rem;
  position: relative;
}
.repo-crumb {
  color: var(--fg-dim);
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
}
.repo-crumb a { color: var(--cyan); text-decoration: none; }
.repo-head h1 {
  letter-spacing: -0.03em;
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.15;
}
.repo-slogan {
  color: var(--fg-muted);
  margin: 0.45rem 0 1.1rem;
  font-size: 1.02rem;
}
.repo-grid {
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: stretch;
  gap: 1rem;
  display: grid;
}
.repo-panel {
  border: 1px solid var(--glass-border);
  background: #0c1018d6;
  box-shadow: var(--glass-shadow-md);
  border-radius: 18px;
  min-width: 0;
  overflow: hidden;
}
.repo-panel h2 {
  border-bottom: 1px solid var(--glass-border);
  margin: 0;
  padding: 0.85rem 1.05rem;
  font-size: 1rem;
  font-weight: 650;
}
.panel-body { padding: 0.95rem 1.05rem 1.1rem; }
.intro-text { color: var(--fg-muted); margin: 0 0 0.9rem; line-height: 1.75; }
.intro-meta {
  gap: 0.45rem 0.8rem;
  margin: 0 0 0.9rem;
  display: grid;
}
.intro-meta div { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.92rem; }
.intro-meta dt { color: var(--fg-dim); }
.intro-meta dd { margin: 0; text-align: right; }
.intro-note { color: var(--fg-dim); margin: 0.8rem 0 0; font-size: 0.82rem; line-height: 1.6; }
.shot-stack { display: grid; gap: 0.85rem; padding: 0.85rem; }
.shot-stack figure { margin: 0; }
.shot-stack figcaption { color: var(--fg-dim); margin-top: 0.4rem; font-size: 0.82rem; }
.repo .shot {
  border: 1px solid var(--glass-border);
  background: #070b14;
  border-radius: 14px;
  min-height: 220px;
  flex-direction: column;
  display: flex;
  overflow: hidden;
}
.repo .shot-chrome {
  background: #10151f;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 0.75rem;
  display: flex;
}
.repo .shot-chrome i {
  background: #3a4158;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: block;
}
.repo .shot-chrome i:first-child { background: #fb7185; }
.repo .shot-chrome em {
  color: var(--fg-muted);
  margin-left: 0.35rem;
  font-size: 0.78rem;
  font-style: normal;
}
.repo .shot-photo { width: 100%; min-height: 180px; object-fit: cover; display: block; }
.repo .shot-canvas {
  flex: 1;
  gap: 8px;
  min-height: 168px;
  padding: 12px;
  display: grid;
}
.repo .shot-layout .shot-canvas { grid-template-columns: 1.2fr 1fr; grid-template-rows: 1fr 1fr; }
.repo .shot-monitors .shot-canvas { grid-template-columns: 1.4fr 0.8fr; align-items: end; }
.repo .pane, .repo .screen, .repo .query, .repo .clip-list li, .repo .boot-list li, .repo .folder-list li, .repo .bars div, .repo .key-list li {
  background: #ffffff12;
  border-radius: 10px;
}
.repo .pane, .repo .screen { padding: 10px; }
.repo .pane.on, .repo .clip-list li.on, .repo .key-list li.on {
  outline: 1.5px solid var(--cyan);
  background: #67e8f91f;
}
.repo .pane b, .repo .screen b { font-size: 12px; display: block; }
.repo .pane span, .repo .screen span {
  background: #2a3148;
  height: 6px;
  margin-top: 8px;
  border-radius: 99px;
  display: block;
}
.repo .pane span.short { width: 62%; }
.repo .key-list, .repo .clip-list, .repo .boot-list, .repo .folder-list {
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}
.repo .key-list li, .repo .clip-list li, .repo .boot-list li, .repo .folder-list li {
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  display: flex;
}
.repo .key-list kbd {
  background: #070b14;
  min-width: 52px;
  padding: 3px 6px;
  border-radius: 6px;
  font-family: inherit;
}
.repo .screen.wide { min-height: 120px; }
.repo .query { padding: 8px 10px; color: var(--cyan); }
.repo .boot-list li.slow { outline: 1.5px solid var(--amber); }
.repo .boot-list em, .repo .folder-list span, .repo .bars span { margin-left: auto; color: var(--fg-dim); font-style: normal; }
.repo .bars { gap: 10px; display: grid; }
.repo .bars div { align-items: center; width: var(--w); padding: 8px 10px; display: flex; }
.repo .treemap {
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: 1.2fr 0.8fr;
  gap: 8px;
  display: grid;
}
.repo .treemap .block {
  border-radius: 10px;
  padding: 10px;
  font-size: 13px;
}
.repo .treemap .a { background: #67e8f933; grid-row: span 2; }
.repo .treemap .b { background: #60a5fa33; }
.repo .treemap .c { background: #fbbf2433; }
.repo .treemap .d { background: #fb718533; }
.doc { grid-template-columns: 168px minmax(0, 1fr); min-height: 280px; display: grid; }
.doc-toc {
  border-right: 1px solid var(--glass-border);
  padding: 0.9rem 0.8rem;
}
.doc-toc p { color: var(--fg-dim); margin: 0 0 0.55rem; font-size: 0.75rem; }
.doc-toc a {
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: 8px;
  padding: 0.28rem 0.4rem;
  font-size: 0.86rem;
  display: block;
}
.doc-toc a:hover { color: var(--fg); background: #ffffff0d; }
.doc-body { padding: 0.2rem 0 0.4rem; }
.doc-body article { padding: 0.85rem 1.05rem 0.2rem; }
.doc-body h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.doc-body p { color: var(--fg-muted); margin: 0; line-height: 1.75; }
.log-list { gap: 0.85rem; margin: 0; padding: 0; list-style: none; display: grid; }
.log-list li { border-bottom: 1px solid #ffffff12; padding-bottom: 0.75rem; }
.log-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.log-list strong { display: block; margin: 0.35rem 0 0.2rem; }
.log-list p { color: var(--fg-muted); margin: 0; font-size: 0.9rem; line-height: 1.65; }

@media (max-width: 720px) {
  .repo-grid { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .doc-toc { border-right: 0; border-bottom: 1px solid var(--glass-border); }
}

/* 资讯列表与文章详情 */
.news-page {
  z-index: 1;
  padding: calc(var(--nav-h) + 1.6rem) 0 4rem;
  position: relative;
}
.news-layout {
  align-items: start;
  gap: 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
}
.news-main, .news-card, .news-item, .article-sheet {
  background: #12141ce6;
  border: 1px solid #ffffff14;
  border-radius: 18px;
}
.news-head {
  align-items: center;
  gap: 0.9rem;
  display: flex;
  padding: 1.15rem 1.25rem 0.4rem;
}
.news-head img, .article-by img, .news-author img, .news-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #1c2230;
  flex: none;
}
.news-head h1 { margin: 0; font-size: 1.35rem; font-weight: 650; }
.news-head p, .news-author p, .news-card-note p { color: var(--fg-muted); margin: 0.2rem 0 0; }
.news-tabs {
  gap: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  padding: 0.7rem 1.15rem 0.2rem;
}
.news-tabs button {
  color: var(--fg-muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}
.news-tabs button.is-on { color: #041016; background: var(--cyan); }
.news-list { display: flex; flex-direction: column; padding: 0.4rem 0.5rem 0.6rem; }
.news-item {
  align-items: flex-start;
  gap: 0.85rem;
  color: inherit;
  text-decoration: none;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  margin: 0.35rem 0.45rem;
  padding: 0.95rem 0.9rem;
}
.news-item:hover { border-color: #67e8f955; }
.news-by { color: var(--fg-muted); margin: 0 0 0.35rem; font-size: 0.86rem; }
.news-by em, .article-by em {
  color: #041016;
  background: var(--cyan);
  border-radius: 999px;
  margin-left: 0.4rem;
  padding: 0.05rem 0.4rem;
  font-style: normal;
  font-size: 0.72rem;
}
.news-copy h2 { margin: 0; font-size: 1.05rem; font-weight: 650; line-height: 1.45; }
.news-copy h2 span {
  color: var(--cyan);
  margin-right: 0.4rem;
  font-size: 0.86rem;
}
.news-copy p { color: var(--fg-muted); margin: 0.4rem 0; line-height: 1.65; }
.news-copy time, .article-by time, .article-foot { color: var(--fg-dim); font-size: 0.82rem; }
.news-views { color: var(--fg-muted); font-weight: 500; padding-top: 1.6rem; }
.news-side { display: flex; flex-direction: column; gap: 0.9rem; }
.news-card { padding: 1rem 1.05rem 1.1rem; }
.news-card header h2, .news-card > h2, .news-author h2 { margin: 0 0 0.7rem; font-size: 1rem; }
.news-rank { margin: 0; padding: 0; list-style: none; counter-reset: rank; }
.news-rank li { counter-increment: rank; margin: 0.15rem 0; }
.news-rank a {
  color: var(--fg);
  text-decoration: none;
  gap: 0.55rem;
  display: flex;
  line-height: 1.45;
  padding: 0.35rem 0;
}
.news-rank a::before {
  content: counter(rank);
  color: var(--cyan);
  width: 1.1rem;
  flex: none;
  font-weight: 650;
}
.news-rank a:hover { color: var(--cyan); }
.news-card-note h2 { margin-bottom: 0.35rem; }
.article-sheet { padding: 1.6rem 1.7rem 1.4rem; }
.article-sheet h1 { margin: 0; font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.35; font-weight: 650; }
.article-by { align-items: center; gap: 0.75rem; display: flex; margin: 1.15rem 0 1.3rem; }
.article-by p { margin: 0; }
.article-body p { color: #d5d8e4; margin: 0 0 1rem; font-size: 1.02rem; line-height: 1.9; }
.article-foot { display: flex; gap: 1rem; margin: 1.4rem 0 0.6rem; }
.article-back { margin: 0.4rem 0 0; }
.article-back a { color: var(--cyan); }
.news-author { text-align: center; }
.news-author img { margin: 0.2rem auto 0.6rem; }
.news-author span { color: var(--fg-dim); font-size: 0.82rem; }
.news-empty { color: var(--fg-muted); padding: 1.4rem; }

@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 40px minmax(0, 1fr); }
  .news-views { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kinetic .letter > span { animation: none; }
  .scroll-hint i { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  [data-hero-fade] { opacity: 1; transform: none; animation: none; }
}

/* ============================================================
   窄屏（≤480）导航微缩：logo 与胶囊链接更紧凑
   （与 assets/css/style.css 关于页的补丁保持一致）
   ============================================================ */
@media (max-width: 480px) {
  .nav-inner { gap: .5rem; }
  .brand { font-size: 1rem; padding: .25rem .6rem .25rem .35rem; gap: .5rem; }
  .brand-mark { width: 26px; height: 26px; }
  .links { padding: .25rem .3rem; }
  .link { padding: .35rem .6rem; font-size: .72rem; }
}