/* 海树 — 青绿 · 玻璃光影 · 明暗主题（参考 me2021 叙事分区气质） */

:root {
  color-scheme: dark;
  --bg-deep: #05080c;
  --bg: #0a1018;
  --bg-elev: #0e1722;
  --text: #e8f1f6;
  --text-muted: #8fa3b0;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.45);
  --accent-glow: rgba(0, 212, 170, 0.35);
  --blue: #4da3ff;
  --purple: #b388ff;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.18);
  --bar-bg: rgba(255, 255, 255, 0.06);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Noto Sans SC", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --scroll: 0%;
  --cx: 50vw;
  --cy: 40vh;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg-deep: #e8eeec;
  --bg: #f2f6f4;
  --bg-elev: #ffffff;
  --text: #0f1815;
  --text-muted: #5a6d66;
  --accent: #00967c;
  --accent-dim: rgba(0, 150, 124, 0.35);
  --accent-glow: rgba(0, 150, 124, 0.22);
  --blue: #0b6bcb;
  --purple: #6b4f9a;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(15, 40, 35, 0.1);
  --glass-highlight: rgba(255, 255, 255, 0.95);
  --bar-bg: rgba(15, 40, 35, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  transition: background 0.35s var(--ease-soft), color 0.25s;
  overflow-x: hidden;
}

/* 阅读进度 */
.scroll-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 500;
  height: 3px;
  width: var(--scroll);
  max-width: 100%;
  pointer-events: none;
  background: linear-gradient(90deg, var(--accent), var(--blue), var(--purple));
  box-shadow: 0 0 16px var(--accent-glow);
}

/* 光标柔光（仅精细指针） */
.cursor-glow {
  pointer-events: none;
  position: fixed;
  left: var(--cx);
  top: var(--cy);
  z-index: 1;
  width: 42vmax;
  height: 42vmax;
  margin: -21vmax 0 0 -21vmax;
  background: radial-gradient(circle closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent 72%);
  opacity: 0.75;
  mix-blend-mode: screen;
  transition: opacity 0.4s;
}

html[data-theme="light"] .cursor-glow {
  mix-blend-mode: multiply;
  opacity: 0.4;
}

@media (pointer: coarse) {
  .cursor-glow {
    display: none;
  }
}

/* 环境层 */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient__mesh {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 70% at 50% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 52%),
    radial-gradient(ellipse 70% 50% at 100% 20%, color-mix(in srgb, var(--blue) 12%, transparent), transparent 50%),
    radial-gradient(ellipse 60% 45% at 0% 80%, color-mix(in srgb, var(--purple) 10%, transparent), transparent 45%), var(--bg-deep);
}

.ambient__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.55;
  mix-blend-mode: screen;
}

html[data-theme="light"] .ambient__blob {
  mix-blend-mode: multiply;
  opacity: 0.35;
}

.ambient__blob--1 {
  width: min(55vw, 440px);
  height: min(55vw, 440px);
  top: -12%;
  right: -15%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 55%, transparent), transparent 68%);
  animation: blob-a 20s ease-in-out infinite alternate;
}

.ambient__blob--2 {
  width: min(60vw, 500px);
  height: min(60vw, 500px);
  bottom: -18%;
  left: -20%;
  background: radial-gradient(circle, color-mix(in srgb, var(--blue) 45%, transparent), transparent 65%);
  animation: blob-b 26s ease-in-out infinite alternate;
}

.ambient__blob--3 {
  width: min(38vw, 320px);
  height: min(38vw, 320px);
  top: 48%;
  left: 35%;
  background: radial-gradient(circle, color-mix(in srgb, var(--purple) 35%, transparent), transparent 62%);
  opacity: 0.35;
  animation: blob-c 18s ease-in-out infinite alternate;
}

@keyframes blob-a {
  to {
    transform: translate(-5%, 8%) scale(1.06);
  }
}

@keyframes blob-b {
  to {
    transform: translate(6%, -5%) scale(1.04);
  }
}

@keyframes blob-c {
  to {
    transform: translate(-8%, -4%);
  }
}

.ambient__rays {
  position: absolute;
  inset: -15%;
  opacity: 0.4;
  background: repeating-conic-gradient(from 0deg at 50% -5%, transparent 0deg 12deg, rgba(0, 212, 170, 0.025) 12deg 13deg);
  mask-image: radial-gradient(ellipse 50% 40% at 50% 0%, black, transparent 70%);
  animation: spin-rays 100s linear infinite;
}

@keyframes spin-rays {
  to {
    transform: rotate(360deg);
  }
}

.ambient__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 72% 62% at 50% 48%, transparent 32%, rgba(0, 0, 0, 0.55) 100%);
  opacity: 0.9;
}

html[data-theme="light"] .ambient__vignette {
  background: radial-gradient(ellipse 75% 65% at 50% 50%, transparent 45%, rgba(80, 100, 95, 0.12) 100%);
  opacity: 1;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-floor {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  /* 裁掉顶端：否则横向 1px 网格线与视口顶边重合，会在 Hero/导航上方形成一条细横条 */
  clip-path: inset(2px 0 0 0);
  background-image: linear-gradient(rgba(0, 212, 170, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 55% at 50% 0%, black, transparent 72%);
}

html[data-theme="light"] .grid-floor {
  background-image: linear-gradient(rgba(0, 150, 124, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 150, 124, 0.08) 1px, transparent 1px);
  opacity: 0.5;
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 2;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 600;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 960px) {
  .wrap {
    max-width: 920px;
  }
}

/* 玻璃 */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.45), inset 0 1px 0 var(--glass-highlight);
}

html[data-theme="light"] .glass-panel {
  box-shadow: 0 16px 40px -24px rgba(20, 50, 40, 0.12), inset 0 1px 0 var(--glass-highlight);
}

.glass-panel--tight {
  padding: 1rem 1.25rem;
}

.glass-tile {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 16px 40px -28px rgba(0, 0, 0, 0.4), inset 0 1px 0 var(--glass-highlight);
  transition: border-color 0.35s var(--ease-soft), box-shadow 0.4s var(--ease-soft), transform 0.35s var(--ease-soft);
}

html[data-theme="light"] .glass-tile {
  box-shadow: 0 12px 32px -20px rgba(20, 50, 40, 0.1), inset 0 1px 0 var(--glass-highlight);
}

.glass-tile:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--glass-border));
  box-shadow: 0 24px 56px -24px rgba(0, 0, 0, 0.5), 0 0 40px -12px var(--accent-glow), inset 0 1px 0 var(--glass-highlight);
}

html[data-theme="light"] .glass-tile:hover {
  box-shadow: 0 18px 44px -20px rgba(20, 50, 40, 0.14), 0 0 32px -14px var(--accent-glow), inset 0 1px 0 var(--glass-highlight);
}

.glass-bar {
  background: color-mix(in srgb, var(--glass-bg) 70%, transparent);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 8px 32px -16px rgba(0, 0, 0, 0.35), inset 0 1px 0 var(--glass-highlight);
}

/* Header */
.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 100;
  padding: 0 1rem;
  margin-bottom: -3rem;
}

.site-header.is-scrolled .site-header__inner {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--glass-border));
  box-shadow: 0 12px 40px -20px rgba(0, 0, 0, 0.4), 0 0 32px -12px var(--accent-glow);
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.55rem 1rem 0.55rem 1.15rem;
  min-height: 2.85rem;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  flex-wrap: nowrap;
}

.site-header__inner .brand {
  flex-shrink: 0;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.brand:hover {
  filter: brightness(1.15);
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.25rem 0.85rem;
  flex: 1 1 auto;
  min-width: 0;
  justify-content: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

@media (min-width: 720px) {
  .nav {
    justify-content: flex-end;
  }
}

.nav__a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  padding: 0.25rem 0.1rem;
  transition: color 0.25s;
}

.nav__a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform 0.4s var(--ease-out);
}

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

.nav__a:hover::after {
  transform: scaleX(1);
  transform-origin: 0 50%;
}

.theme-toggle {
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--text);
  flex-shrink: 0;
  position: relative;
}

.theme-toggle__sun,
.theme-toggle__moon {
  position: absolute;
  font-size: 1.1rem;
  line-height: 1;
  transition: opacity 0.3s, transform 0.35s var(--ease-out);
}

.theme-toggle__moon {
  opacity: 0;
  transform: rotate(-40deg) scale(0.6);
}

html[data-theme="light"] .theme-toggle__sun {
  opacity: 0;
  transform: rotate(40deg) scale(0.6);
}

html[data-theme="light"] .theme-toggle__moon {
  opacity: 1;
  transform: none;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Hero — 星座连线作背景 + 玻璃主卡 */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 5.5rem 0 3.5rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse 90% 75% at 50% 35%, transparent 0%, color-mix(in srgb, var(--bg-deep) 42%, transparent) 100%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-deep) 25%, transparent) 0%, transparent 32%, transparent 68%, color-mix(in srgb, var(--bg-deep) 38%, transparent) 100%);
}

html[data-theme="light"] .hero__veil {
  background: radial-gradient(ellipse 92% 78% at 50% 40%, transparent 10%, color-mix(in srgb, var(--bg) 48%, transparent) 100%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 50%, transparent) 0%, transparent 35%, transparent 65%, color-mix(in srgb, var(--bg) 55%, transparent) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
}

.hero__glass {
  position: relative;
  padding: 2rem 1.75rem 2.25rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--glass-bg) 72%, var(--bg-deep));
}

html[data-theme="light"] .hero__glass {
  background: color-mix(in srgb, var(--glass-bg) 82%, #fff);
}

.hero__glass::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 50%, transparent), transparent 40%, color-mix(in srgb, var(--blue) 40%, transparent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.65;
}

.hero__wave {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.hero__emoji {
  display: inline-block;
  animation: wave-hand 2.2s ease-in-out infinite;
}

@keyframes wave-hand {
  0%,
  100% {
    transform: rotate(0deg);
  }
  20% {
    transform: rotate(18deg);
  }
  40% {
    transform: rotate(-8deg);
  }
  60% {
    transform: rotate(14deg);
  }
}

.hero__name {
  margin: 0 0 0.65rem;
  font-size: clamp(2.2rem, 6vw, 3.25rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.hero__name-inner {
  background: linear-gradient(110deg, var(--text) 0%, var(--text) 35%, var(--accent) 55%, var(--blue) 85%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: shine-text 7s ease-in-out infinite;
}

@keyframes shine-text {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

.hero__en {
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  color: var(--blue);
  margin: 0 0 0.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero__tag {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
}

.hero__actions-primary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hero__actions-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-wrap: nowrap;
    justify-content: space-between;
  }

  .hero__actions-social {
    margin-left: auto;
    padding-left: 1.25rem;
    border-left: 1px solid color-mix(in srgb, var(--accent) 22%, var(--glass-border));
    gap: 0.55rem;
  }
}

@media (max-width: 639px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions-primary {
    justify-content: center;
  }

  .hero__actions-social {
    justify-content: center;
    padding-top: 0.15rem;
  }
}

.hero__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.55rem;
  padding: 0 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--glass-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.25s, color 0.25s, box-shadow 0.3s, transform 0.2s var(--ease-soft);
}

.hero__link:hover {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 20px -8px var(--accent-glow);
  transform: translateY(-1px);
}

.hero__link img {
  display: block;
  flex-shrink: 0;
  border-radius: 3px;
}

.hero-line {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(10px);
}

body.is-loaded .hero-line {
  opacity: 1;
  transform: none;
  filter: none;
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out), filter 0.75s var(--ease-soft);
}

body.is-loaded .hero__wave {
  transition-delay: 0.05s;
}
body.is-loaded .hero__name {
  transition-delay: 0.12s;
}
body.is-loaded .hero__en {
  transition-delay: 0.2s;
}
body.is-loaded .hero__tag {
  transition-delay: 0.26s;
}
body.is-loaded .hero__actions {
  transition-delay: 0.34s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s var(--ease-soft), box-shadow 0.35s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--glow {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 85%, #000), var(--accent));
  color: #021210;
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 6px 28px -4px var(--accent-glow);
}

html[data-theme="light"] .btn--glow {
  color: #fff;
}

.btn--glow:hover {
  box-shadow: 0 10px 36px -2px var(--accent-glow);
}

.btn--glow::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.25) 50%, transparent 65%);
  transform: translateX(-100%);
  transition: transform 0.65s var(--ease-out);
}

.btn--glow:hover::after {
  transform: translateX(100%);
}

.btn--ghost {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--text);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Sections */
.section {
  padding: 3rem 0;
  border-top: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}

.section--tint {
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg) 92%, var(--accent)) 0%, transparent 28%), var(--bg);
}

html[data-theme="light"] .section--tint {
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg) 94%, var(--accent)) 0%, transparent 35%), var(--bg);
}

.constellation-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.section-head {
  margin-bottom: 1.35rem;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.35rem;
}

.section-title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.45rem, 3.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.section-lead {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-lead--verse {
  max-width: 36em;
  font-size: clamp(1rem, 2.5vw, 1.14rem);
  font-style: italic;
  letter-spacing: 0.06em;
  line-height: 1.75;
  color: color-mix(in srgb, var(--text-muted) 78%, var(--accent) 22%);
}

.section-glowline {
  display: block;
  height: 3px;
  width: min(140px, 32vw);
  margin-top: 0.85rem;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue), transparent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.85s var(--ease-out);
}

.section-head.reveal.is-revealed .section-glowline,
.section-head:not([data-reveal]) .section-glowline {
  transform: scaleX(1);
}

.prose-panel {
  padding: 1.35rem 1.45rem;
}

.prose {
  color: var(--text-muted);
}

.prose p {
  margin: 0 0 1rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose strong {
  color: var(--text);
}

.prose--tight {
  margin-bottom: 1.15rem;
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(36px) scale(0.985);
  filter: blur(8px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out), filter 0.65s var(--ease-soft);
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Tilt */
.tilt {
  transform: perspective(880px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out;
  will-change: transform;
}

/* Stack */
.stack-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .stack-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stack-item {
  position: relative;
  padding: 1.15rem 1.2rem;
  overflow: hidden;
}

.stack-item__row {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.stack-item__logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  object-fit: contain;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  padding: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

html[data-theme="light"] .stack-item__logo {
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.stack-item__body {
  min-width: 0;
  flex: 1;
}

.stack-item__glow {
  position: absolute;
  top: -40%;
  right: -30%;
  width: 70%;
  height: 120%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent), transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s;
}

.stack-item:hover .stack-item__glow {
  opacity: 1;
}

.stack-item__name {
  position: relative;
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.stack-item__meta {
  position: relative;
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 680px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  position: relative;
  padding: 1.25rem 1.3rem;
  overflow: hidden;
}

.card__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, transparent 42%, rgba(255, 255, 255, 0.06) 48%, transparent 54%);
  transform: translateX(-100%) rotate(8deg);
  transition: transform 0.7s var(--ease-out);
  pointer-events: none;
}

.card--shine:hover .card__shine {
  transform: translateX(100%) rotate(8deg);
}

.card__title {
  position: relative;
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
}

.card__text {
  position: relative;
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card__tag {
  position: relative;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Callout blog */
.callout {
  position: relative;
  padding: 1.5rem 1.5rem 1.6rem;
  overflow: hidden;
}

.callout__aurora {
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 180deg at 50% 50%, transparent, color-mix(in srgb, var(--accent) 12%, transparent), transparent, color-mix(in srgb, var(--blue) 10%, transparent), transparent);
  animation: spin-aurora 18s linear infinite;
  opacity: 0.5;
  pointer-events: none;
}

html[data-theme="light"] .callout__aurora {
  opacity: 0.35;
}

@keyframes spin-aurora {
  to {
    transform: rotate(360deg);
  }
}

.callout--motion:hover {
  transform: translateY(-3px);
  transition: transform 0.4s var(--ease-soft);
}

.callout__text {
  position: relative;
  margin: 0 0 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Garden */
.garden-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .garden-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.garden-node {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  text-decoration: none;
  color: inherit;
}

.garden-node__type {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.garden-node__title {
  font-weight: 600;
}

.garden-node__hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Photos — 三行同轨慢滑：显式 0→左端→0，避免 alternate 在部分环境下不折返 */
@keyframes wf-scroller-marquee {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

.wf-scroller {
  --wf-row-h: 156px;
  position: relative;
  margin-top: 0.5rem;
}

@media (min-width: 720px) {
  .wf-scroller {
    --wf-row-h: 176px;
  }
}

.wf-scroller__viewport {
  overflow: hidden;
  width: 100%;
}

.wf-scroller__track {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  width: max-content;
  animation: wf-scroller-marquee 60s ease-in-out infinite;
}

.wf-scroller:hover .wf-scroller__track,
.wf-scroller.is-lightbox-open .wf-scroller__track {
  animation-play-state: paused;
}

.wf-scroller__strip {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  gap: 0.5rem;
  width: max-content;
  padding-block: 0.15rem;
}

.wf-scroller__strip:not([aria-hidden="true"]) .wf__item {
  cursor: zoom-in;
}

.wf-scroller__strip:not([aria-hidden="true"]) .wf__item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wf-scroller__edge {
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(2.25rem, 10vw, 5rem);
  z-index: 4;
  pointer-events: none;
}

.wf-scroller__edge--left {
  left: 0;
  background: linear-gradient(
    90deg,
    var(--bg) 0%,
    color-mix(in srgb, var(--bg) 70%, transparent) 45%,
    transparent 100%
  );
}

.wf-scroller__edge--right {
  right: 0;
  background: linear-gradient(
    270deg,
    var(--bg) 0%,
    color-mix(in srgb, var(--bg) 70%, transparent) 45%,
    transparent 100%
  );
}

.wf__row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.42rem;
  height: var(--wf-row-h);
  width: max-content;
}

.wf__item {
  margin: 0;
  flex: 0 0 auto;
  height: 100%;
  width: fit-content;
  max-width: none;
  min-width: 0;
  overflow: hidden;
  padding: 0;
}

.wf__item--pop {
  transition: transform 0.45s var(--ease-soft), box-shadow 0.45s;
}

.wf__item--pop:hover {
  transform: translateY(-5px) rotate(0.35deg);
}

.wf__frame {
  position: relative;
  display: block;
  height: 100%;
  width: fit-content;
  max-width: none;
  overflow: hidden;
  background: var(--bar-bg);
  transition: transform 0.65s var(--ease-out);
}

.wf__item--pop:hover .wf__frame {
  transform: scale(1.04);
}

.wf__img {
  display: block;
  height: 100%;
  width: auto;
  max-height: 100%;
  object-fit: contain;
}

.wf__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.07) 50%, transparent 58%);
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

/* Photo lightbox — 点击放大，横向滑动浏览 */
.photo-lightbox {
  padding: 0;
  border: none;
  max-width: none;
  width: min(96vw, 1120px);
  max-height: min(94vh, 900px);
  background: transparent;
  color: var(--text);
}

.photo-lightbox::backdrop {
  background: color-mix(in srgb, #04080c 78%, transparent);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
}

html[data-theme="light"] .photo-lightbox::backdrop {
  background: color-mix(in srgb, #e8eeec 88%, transparent);
}

.photo-lightbox__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 2.35rem 0.35rem 0.85rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--glass-bg) 92%, var(--bg));
  border: 1px solid var(--glass-border);
  box-shadow: 0 28px 72px -36px rgba(0, 0, 0, 0.55), inset 0 1px 0 var(--glass-highlight);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

html[data-theme="light"] .photo-lightbox__panel {
  box-shadow: 0 22px 56px -28px rgba(0, 40, 30, 0.14), inset 0 1px 0 var(--glass-highlight);
}

.photo-lightbox__viewport {
  --lbw: 100%;
  width: 100%;
  max-height: min(78vh, 720px);
  min-height: 260px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  touch-action: pan-x pinch-zoom;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.photo-lightbox__viewport::-webkit-scrollbar {
  display: none;
}

.photo-lightbox__rail {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  height: min(78vh, 720px);
  min-height: 260px;
}

.photo-lightbox__slide {
  flex: 0 0 var(--lbw);
  width: var(--lbw);
  height: 100%;
  margin: 0;
  padding: 0 0.5rem;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: center;
  scroll-snap-stop: always;
}

.photo-lightbox__slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: calc(var(--radius) - 4px);
  box-shadow: 0 12px 40px -20px rgba(0, 0, 0, 0.45);
}

.photo-lightbox__icon {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--glass-bg) 80%, transparent);
  color: var(--text);
  cursor: pointer;
  line-height: 1;
  transition: border-color 0.25s var(--ease-soft), background 0.25s var(--ease-soft), color 0.2s;
}

.photo-lightbox__icon:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--glass-border));
  color: var(--accent);
}

.photo-lightbox__close {
  top: 0.55rem;
  right: 0.55rem;
  width: 2.35rem;
  height: 2.35rem;
  font-size: 1.45rem;
  font-weight: 300;
}

.photo-lightbox__prev,
.photo-lightbox__next {
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.65rem;
  font-weight: 500;
}

.photo-lightbox__prev {
  left: 0.35rem;
}

.photo-lightbox__next {
  right: 0.35rem;
}

.photo-lightbox__counter {
  margin: 0;
  text-align: center;
  font-size: 0.82rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Footer — 无玻璃圆角框，仅分隔与文字 */
.site-footer {
  padding: 2.75rem 1rem 3.25rem;
  border-top: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--bg) 96%, transparent));
}

.site-footer__inner {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.site-footer__copy {
  margin: 0 0 0.5rem;
}

.site-footer__links {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
}

.site-footer__links a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__dot {
  opacity: 0.45;
  user-select: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ambient__blob,
  .ambient__rays,
  .hero__emoji,
  .hero__name-inner,
  .callout__aurora {
    animation: none !important;
  }
  .cursor-glow {
    display: none;
  }
  .hero-line {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
  .section-glowline {
    transform: scaleX(1);
    transition: none;
  }
  .tilt {
    transform: none;
  }
  .btn--glow::after,
  .card__shine {
    display: none;
  }
  .wf__item--pop:hover,
  .callout--motion:hover {
    transform: none;
  }
  .wf__item--pop:hover .wf__frame {
    transform: none;
  }
  .wf-scroller__track {
    animation: none !important;
    transform: none;
  }
}