
/* ── Boot Loader ── */
.boot-loader {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: grid;
  place-items: center;
  background: #050505;
  color: #f4f4f4;
  overflow-x: visible;
  overflow-y: hidden;
  opacity: 1;
  visibility: visible;
  transition:
    opacity 800ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 800ms step-end;
}

.boot-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-loader__inner {
  width: min(92vw, 1180px);
  display: grid;
  place-items: center;
  text-align: center;
}

.boot-loader__eyebrow,
.boot-loader__status {
  margin: 0;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.68);
}

.boot-loader__title {
  margin: clamp(28px, 6vh, 72px) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: clamp(42px, 8vw, 96px);
  line-height: 1.15;
  letter-spacing: -0.08em;
  font-weight: 950;
}

.boot-word {
  position: relative;
  display: block;
}

.boot-word > span {
  display: block;
  animation: bootFade 2.8s ease-in-out infinite;
}

.boot-word > span:nth-child(2) {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.boot-word-dream > span { animation-delay: 0ms; }
.boot-word-dream > span:nth-child(2) { animation-delay: 1.4s; }
.boot-word-for > span { animation-delay: 0.3s; }
.boot-word-for > span:nth-child(2) { animation-delay: 1.7s; }
.boot-word-rosemary > span { animation-delay: 0.6s; }
.boot-word-rosemary > span:nth-child(2) { animation-delay: 2.0s; }

@keyframes bootFade {
  0%   { opacity: 1; }
  40%  { opacity: 0.12; }
  60%  { opacity: 0.12; }
  100% { opacity: 1; }
}

@font-face {
  font-family: "Deluxe Edition";
  src: url("../assets/fonts/deluxe-edition-demo.woff") format("woff");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

@font-face {
  font-family: "Brooke Smith Script";
  src: url("../assets/fonts/brooke-smith-script.woff") format("woff");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

:root {
  color-scheme: dark;
  --bg: #020204;
  --surface: #0e1117;
  --surface-soft: #151922;
  --border: #262d3a;
  --text: #f5f7fb;
  --muted: #aab2c0;
  --subtle: #6f7785;
  --accent: #ff4f00;
  --accent-strong: #ff8a3d;
  --accent-rgb: 255, 79, 0;
  --accent-strong-rgb: 255, 138, 61;
  --accent-soft: rgba(var(--accent-rgb), 0.14);
  --accent-glow: rgba(var(--accent-strong-rgb), 0.42);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1120px;
  --canvas-blur: 38px;

  /* Design tokens: border-radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scrollbar-color: rgba(245, 247, 251, 0.44) rgba(255, 255, 255, 0.055);
  scrollbar-width: thin;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  font-weight: 400;
  line-height: 1.6;
  opacity: 1;
  transition: opacity 1180ms cubic-bezier(0.2, 0.82, 0.22, 1);
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 10px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.018)),
    var(--bg);
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
  border: 3px solid var(--bg);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(var(--accent-strong-rgb), 0.55));
  box-shadow: 0 0 18px rgba(var(--accent-strong-rgb), 0.24);
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #fff, var(--accent-strong));
}

/* ── 切页过渡：参考视频为“旧页收小 -> 黑场 -> 新页放大落定” ──
   transform-origin 由 JS 设为当前视口中心；过渡层挂在 <html> 上，不随 body 缩放，避免漏边。 */
body.is-page-ready {
  opacity: 1;
}

/* 取消首页/全站切页对 <body> 的缩放：对 body 做 transform 或 filter 会把所有 fixed 背景
   （首页 shader、关于页画廊 canvas）的包含块从视口改成 body、撑到文档高度而变形。
   切页过渡只保留黑场遮罩 .page-transition-layer，body 自身不做几何变换。 */
/* 遮罩转场：一个 fixed 的「洞」，box-shadow 外扩黑场。洞=中心透明区（页面含 fixed 背景照常显示、
   不裁剪不变形）；洞缩小=黑场合拢。对 shader / 照片墙 / 波浪背景完全安全。 */
.page-transition-mask {
  position: fixed;
  top: 50%;
  left: 50%;
  width: var(--hole-w, 101vw);
  height: var(--hole-h, 101vh);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 100vmax #050505;
  border-radius: 4px;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
}
.page-transition-mask.is-active {
  opacity: 1;
}
/* 反向页面缩放：只作用于 main、且仅 .page-zoom 页（首页/关于页除外，避免碰 fixed 背景）。 */
body.page-zoom.is-page-leaving main,
body.page-zoom.is-page-entering main {
  transform: scale(var(--page-scale, 1));
  transform-origin: 50% 50%;
  will-change: transform;
}

.page-transition-layer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  background: #020204;
  transition: opacity 520ms cubic-bezier(0.65, 0, 0.35, 1);
}

.page-transition-layer.is-active {
  opacity: 1;
}

/* 入场首帧：立即全黑、无过渡，盖住新页加载 */
.page-transition-layer.is-entering {
  opacity: 1;
  transition-duration: 0ms;
}

/* 入场展开：黑场缓出淡出，与画面落定同步 */
.page-transition-layer.is-revealing {
  opacity: 0;
  transition: opacity 940ms cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.8), var(--accent), rgba(255, 255, 255, 0.9));
  box-shadow: 0 0 16px var(--accent-glow);
  transform-origin: left center;
}

.background-canvas,
.background-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.background-canvas {
  z-index: 0;
  width: 100%;
  height: 100%;
}

.background-vignette {
  z-index: 0;
  background:
    radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.18) 48%, rgba(0, 0, 0, 0.78) 100%),
    linear-gradient(180deg, rgba(2, 2, 4, 0.14), rgba(2, 2, 4, 0.86));
}

/* ── Page Ripple Canvas (click wave background) ── */
.page-ripple-canvas {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.48;
  mix-blend-mode: screen;
}

body[data-page-title^="关于"] .page-ripple-canvas,
body[data-page-title^="作品"] .page-ripple-canvas,
body[data-page-title^="日常"] .page-ripple-canvas,
body[data-page-title^="项目"] .page-ripple-canvas {
  display: block;
}


body.modal-open {
  overflow: hidden;
}

body.music-panel-open {
  overflow: hidden;
}

html.smooth-ready,
html.smooth-ready body {
  height: auto;
  overflow: auto;
}

html.native-smooth-ready {
  scroll-behavior: auto;
  scrollbar-width: none;
}

html.native-smooth-ready body {
  scrollbar-width: none;
}

html.native-smooth-ready::-webkit-scrollbar,
html.native-smooth-ready body::-webkit-scrollbar {
  display: none;
}

.smooth-scroll-content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-bottom: 0;
  transform: none;
  will-change: auto;
}

html.smooth-ready .smooth-scroll-content {
  position: relative;
  inset: auto;
  width: auto;
  min-height: 100vh;
  transform: none;
}

.scroll-ui {
  position: fixed;
  inset: 0 0 auto auto;
  z-index: 58;
  display: block;
  pointer-events: none;
}

html {
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  display: none;
}

.scroll-pill {
  display: none;
}

.scroll-rail {
  position: fixed;
  top: 96px;
  right: 10px;
  bottom: 64px;
  width: 8px;
  height: auto;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
  pointer-events: auto;
  transform: none;
}

.scroll-rail::before {
  position: absolute;
  inset: -10px -8px;
  content: "";
}

.scroll-thumb {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  min-height: 46px;
  border-radius: 999px;
  background: linear-gradient(to bottom, #fff, rgba(255, 255, 255, 0.34));
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.22);
  transform: translate3d(-50%, 0, 0);
  transition: width 180ms ease, background 180ms ease;
}

.scroll-rail:hover .scroll-thumb,
.scroll-rail.is-dragging .scroll-thumb {
  width: 6px;
  background: linear-gradient(to bottom, #fff, var(--accent-strong));
}

.mouse-fx-preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.mouse-fx-preset-grid select {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  padding: 8px 10px;
}

@media (max-width: 760px) {
  html.smooth-ready,
  html.smooth-ready body {
    height: auto;
    overflow: auto;
  }

  html.smooth-ready .smooth-scroll-content {
    position: relative;
    transform: none !important;
  }

}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  color: var(--text);
  opacity: 1;
  pointer-events: auto;
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), visibility 900ms ease;
}

.site-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-grid {
  position: absolute;
  inset: -20%;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.18;
  transform: perspective(900px) rotateX(62deg) translateY(12%);
  transform-origin: center bottom;
  transition: opacity 680ms ease;
}

/* Loading stage 1: cards visible, grid visible */
.site-loader[data-loader-state="cards"] {
  background: #000;
}

/* Loading stage 2: engage — pure dark background, grid hidden */
.site-loader[data-loader-state="engage"] {
  background: radial-gradient(circle at 50% 50%, rgba(var(--accent-strong-rgb), 0.08), transparent 28rem), #000;
}

.site-loader[data-loader-state="engage"] .loader-grid {
  opacity: 0;
}

.loader-card-stage {
  position: relative;
  width: min(1180px, 94vw);
  height: min(460px, 64vh);
  display: grid;
  place-items: center;
  perspective: 1200px;
  pointer-events: none;
}

.loader-card {
  --loader-card-bg:
    radial-gradient(circle at 28% 20%, rgba(255, 255, 255, 0.2), transparent 32%),
    linear-gradient(135deg, #f2f2f2, #8f8f8f 54%, #141414);
  --loader-card-text: #f4f4f4;
  --loader-card-muted: rgba(255, 255, 255, 0.66);
  position: absolute;
  width: min(420px, 64vw);
  height: 252px;
  padding: 18px;
  overflow: hidden;
  border: 0;
  border-radius: 26px;
  background-color: #050505;
  background: var(--loader-card-bg);
  background-clip: border-box;
  color: var(--loader-card-text);
  box-shadow:
    0 44px 120px rgba(0, 0, 0, 0.5),
    0 0 70px rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.045),
    inset 0 0 0 2px rgba(0, 0, 0, 0.42);
  opacity: 0;
  transform: translate3d(var(--loader-x, 0px), var(--loader-y, -135vh), 0) rotate(var(--loader-r, -8deg)) scale(0.86);
  transition:
    opacity 900ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 1100ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 900ms ease;
  pointer-events: none;
  will-change: transform, opacity;
}

.loader-card::before {
  position: absolute;
  inset: -2px;
  background:
    linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.18) 46%, transparent 56%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 8px);
  content: "";
  mix-blend-mode: screen;
  opacity: 0.34;
  pointer-events: none;
}

.loader-card:nth-child(1) {
  --loader-x: -840px;
  --loader-y: -135vh;
  --loader-r: -13deg;
  --loader-card-bg:
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.24), transparent 30%),
    linear-gradient(135deg, #f2f0ea, #b9b8b4 45%, #4e4f51);
  --loader-card-text: #111;
  --loader-card-muted: rgba(0, 0, 0, 0.56);
}

.loader-card:nth-child(2) {
  --loader-x: -420px;
  --loader-y: 135vh;
  --loader-r: -7deg;
  --loader-card-bg:
    radial-gradient(circle at 76% 24%, rgba(255, 255, 255, 0.16), transparent 34%),
    linear-gradient(145deg, #171717, #4d4d4d 54%, #0a0a0a);
}

.loader-card:nth-child(3) { --loader-x: 0px; --loader-y: -135vh; --loader-r: 0deg; }

.loader-card:nth-child(3) {
  --loader-card-bg:
    radial-gradient(circle at 35% 50%, rgba(255, 255, 255, 0.08) 0 13%, transparent 13.5%),
    radial-gradient(circle at 65% 50%, rgba(0, 0, 0, 0.72) 0 12%, transparent 12.5%),
    conic-gradient(from 212deg at 50% 50%, #040404 0 43%, #181818 47%, #707070 53%, #e4e4e0 68%, #b8b8b4 82%, #050505 100%);
  --loader-card-text: #f2f2f2;
}

.loader-card:nth-child(3) {
  box-shadow:
    0 44px 120px rgba(0, 0, 0, 0.58),
    0 0 78px rgba(255, 255, 255, 0.045),
    inset 0 0 0 2px rgba(0, 0, 0, 0.78),
    inset 0 0 42px rgba(0, 0, 0, 0.36);
}

.loader-card:nth-child(3)::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../picture/new12.png") center/cover no-repeat;
  z-index: 0;
  pointer-events: none;
}

.loader-card:nth-child(3) span,
.loader-card:nth-child(3) strong,
.loader-card:nth-child(3) small {
  display: none;
}

.loader-card:nth-child(4) {
  --loader-x: 420px;
  --loader-y: 135vh;
  --loader-r: 7deg;
  --loader-card-bg:
    radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.15), transparent 32%),
    linear-gradient(135deg, #0b0b0b, #2c2c2c 42%, #d8d8d8);
}

.loader-card:nth-child(5) {
  --loader-x: 840px;
  --loader-y: -135vh;
  --loader-r: 13deg;
  --loader-card-bg:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, 0.28), transparent 32%),
    linear-gradient(135deg, #cfcfcf, #2d2d2d 54%, #060606);
}

.site-loader[data-loader-state="cards"] .loader-card {
  opacity: 1;
  transform: translate3d(var(--loader-x), var(--loader-card-y, 0px), 0) rotate(var(--loader-r)) scale(1);
}

.loader-card:nth-child(1) { --loader-card-y: 40px; }
.loader-card:nth-child(2) { --loader-card-y: -16px; }
.loader-card:nth-child(3) { --loader-card-y: 0px; }
.loader-card:nth-child(4) { --loader-card-y: -16px; }
.loader-card:nth-child(5) { --loader-card-y: 40px; }

/* Engage stage: center card scales up & fades, outer cards fly outward */
.site-loader[data-loader-state="engage"] .loader-card {
  opacity: 0;
  pointer-events: none;
  transition:
    transform 1550ms cubic-bezier(0.2, 0.82, 0.14, 1),
    opacity 980ms cubic-bezier(0.22, 0.61, 0.36, 1),
    filter 980ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.site-loader[data-loader-state="engage"] .loader-card:nth-child(1) {
  transform: translate3d(-1680px, 420px, 0) rotate(-25deg) scale(0.68);
  filter: blur(0.2px) saturate(0.75) brightness(0.65);
}

.site-loader[data-loader-state="engage"] .loader-card:nth-child(2) {
  transform: translate3d(-1260px, -420px, 0) rotate(-18deg) scale(0.68);
  filter: blur(0.2px) saturate(0.75) brightness(0.65);
}

.site-loader[data-loader-state="engage"] .loader-card:nth-child(3) {
  transform: translate3d(0, 0, 0) rotate(0deg) scale(9.4);
  filter: blur(0.35px) saturate(0.9) brightness(0.9);
  z-index: 10;
}

.site-loader[data-loader-state="engage"] .loader-card:nth-child(4) {
  transform: translate3d(1260px, -420px, 0) rotate(18deg) scale(0.68);
  filter: blur(0.2px) saturate(0.75) brightness(0.65);
}

.site-loader[data-loader-state="engage"] .loader-card:nth-child(5) {
  transform: translate3d(1680px, 420px, 0) rotate(25deg) scale(0.68);
  filter: blur(0.2px) saturate(0.75) brightness(0.65);
}

/* After cards-faded, all cards become invisible */
.site-loader.cards-faded .loader-card {
  visibility: hidden;
}

.loader-card span,
.loader-card small {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  color: var(--loader-card-muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.loader-card strong {
  position: absolute;
  left: 18px;
  bottom: 52px;
  z-index: 1;
  font-size: 54px;
  line-height: 0.9;
  letter-spacing: -0.08em;
  text-transform: uppercase;
  color: var(--loader-card-text);
}

.loader-card small {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
}

.loader-engage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
  transition: opacity 1250ms ease 520ms, transform 1250ms cubic-bezier(0.16, 1, 0.3, 1) 520ms;
}

.site-loader[data-loader-state="engage"] .loader-engage {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.loader-orb {
  position: absolute;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(var(--accent-strong-rgb), 0.52);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.1), transparent 62%);
  box-shadow:
    inset 0 0 38px rgba(var(--accent-rgb), 0.08),
    0 0 60px rgba(var(--accent-strong-rgb), 0.22),
    0 0 120px rgba(var(--accent-strong-rgb), 0.1);
}

.loader-orb svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.loader-ring-bg,
.loader-ring-progress {
  fill: none;
  stroke-width: 2;
}

.loader-ring-bg {
  stroke: rgba(255, 255, 255, 0.12);
}

.loader-ring-progress {
  stroke: var(--accent-strong);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  animation: loaderRing 2.2s cubic-bezier(0.2, 0.8, 0.16, 1) forwards 0.75s;
  filter: drop-shadow(0 0 16px rgba(var(--accent-strong-rgb), 0.8));
}

@keyframes loaderRing {
  to { stroke-dashoffset: 0; }
}

.loader-enter {
  position: relative;
  z-index: 4;
  min-width: 132px;
  height: 48px;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0.34em;
  text-shadow: 0 0 22px rgba(var(--accent-strong-rgb), 0.75);
  transition: color 220ms ease, text-shadow 220ms ease;
}

.loader-enter:hover,
.loader-enter:focus-visible {
  color: #fff;
  text-shadow: 0 0 34px rgba(var(--accent-strong-rgb), 0.95), 0 0 80px rgba(var(--accent-strong-rgb), 0.45);
}

/* Engage stage: minimal ENTER button — borderless, text-only glow */
.site-loader[data-loader-state="engage"] .loader-enter {
  border: 0;
  background: transparent;
  box-shadow: none;
  min-width: 128px;
  height: 44px;
  padding: 0;
  color: var(--accent-strong);
  text-shadow: 0 0 22px rgba(var(--accent-strong-rgb), 0.75);
}
.site-loader[data-loader-state="engage"] .loader-enter:hover,
.site-loader[data-loader-state="engage"] .loader-enter:focus-visible {
  background: transparent;
  color: #fff;
  text-shadow: 0 0 34px rgba(var(--accent-strong-rgb), 0.95), 0 0 80px rgba(var(--accent-strong-rgb), 0.45);
}

/* Engage orb: refined */
.site-loader[data-loader-state="engage"] .loader-orb {
  border-color: rgba(var(--accent-strong-rgb), 0.52);
  box-shadow:
    inset 0 0 38px rgba(var(--accent-rgb), 0.08),
    0 0 60px rgba(var(--accent-strong-rgb), 0.22),
    0 0 120px rgba(var(--accent-strong-rgb), 0.1);
}

.loader-engage p {
  position: absolute;
  top: 73.5%;
  left: 50%;
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  white-space: nowrap;
  transform: translateX(-50%);
}

.loader-corner {
  position: absolute;
  z-index: 2;
  color: rgba(210, 220, 255, 0.46);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: opacity 520ms ease;
}

.loader-corner-a {
  top: 28px;
  left: 34px;
}

.loader-corner-b {
  right: 34px;
  bottom: 30px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 14px clamp(16px, 4vw, 48px);
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: none;
  transition: padding 820ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.brand,
.site-nav,
.language-toggle,
.music-toggle,
.settings-toggle {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(14, 17, 23, 0.78);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 10px;
  min-height: 42px;
  padding: 6px 20px 6px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-style: italic;
  font-family: "Georgia", "Times New Roman", "Songti SC", "Noto Serif SC", serif;
  letter-spacing: -0.02em;
  pointer-events: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
}

.site-nav {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-self: center;
  gap: 10px;
  min-height: 42px;
  padding: 5px 12px;
  border-radius: 999px;
  pointer-events: auto;
  background: rgba(18, 18, 18, 0.36);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 12px 40px rgba(0,0,0,0.28);
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    gap 820ms cubic-bezier(0.22, 0.61, 0.36, 1),
    padding 820ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  pointer-events: auto;
}

.header-actions-placeholder {
  min-width: 176px;
  min-height: 42px;
  visibility: hidden;
}

.nav-link {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link.active {
  color: var(--text);
}

/* 导航下划线揭示（批次③）：hover/active 从左展开，离开从右收，连贯不硬切 */
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 1.5px;
  background: var(--accent-strong);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.42s cubic-bezier(0.76, 0, 0.24, 1);
  pointer-events: none;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.language-toggle,
.music-toggle,
.settings-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 42px;
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.24s ease, transform 0.32s cubic-bezier(0.34, 1.4, 0.5, 1), box-shadow 0.3s ease;
}

.music-toggle,
.settings-toggle {
  padding: 0 14px;
}

.language-toggle:hover,
.language-toggle:focus-visible,
.music-toggle:hover,
.music-toggle:focus-visible,
.settings-toggle:hover,
.settings-toggle:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.18);
}

main,
.showreel-strip,
.site-footer {
  position: relative;
  z-index: 1;
}

.section {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 72px 0 96px;
  scroll-margin-top: 82px;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 54px;
  min-height: calc(100vh - 78px);
  padding-top: 56px;
}

.hero-content,
.hero-preview {
  position: relative;
  z-index: 2;
}

.hero-ambient-signature {
  position: absolute;
  top: clamp(96px, 16vh, 136px);
  left: 50%;
  z-index: 1;
  width: min(calc(100vw - 64px), 1280px);
  height: auto;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.72;
  transform: translate(-50%, -50%) rotate(-3deg);
  transform-origin: center;
  mix-blend-mode: screen;
}

.hero-signature-text {
  font-family: "Brooke Smith Script", "Brush Script MT", "Segoe Script", cursive;
  font-size: 260px;
  font-weight: 400;
  letter-spacing: 0.02em;
  dominant-baseline: alphabetic;
}

.hero-signature-word .hero-signature-text {
  font-size: 208px;
}

.hero-signature-year .hero-signature-text {
  font-size: 220px;
  letter-spacing: 0.08em;
}

.hero-signature-group {
  transform-box: fill-box;
  transform-origin: center;
}

.hero-signature-ghost,
.hero-signature-reveal {
  stroke: rgba(var(--accent-strong-rgb), 0.12);
  stroke-width: 0.7;
  stroke-linejoin: round;
  stroke-linecap: round;
  filter: drop-shadow(0 0 12px rgba(var(--accent-strong-rgb), 0.18));
  paint-order: stroke fill;
}

.hero-signature-ghost {
  fill: rgba(255, 255, 255, 0.07);
  opacity: 0;
  animation: heroSignatureGhost 7.4s ease-in-out infinite;
}

.hero-signature-reveal {
  fill: rgba(255, 255, 255, 0.28);
  opacity: 0;
  animation: heroSignatureRevealHold 7.4s ease-in-out infinite;
}

.hero-signature-mask-path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: heroSignatureWriteMask 7.4s cubic-bezier(0.22, 0.78, 0.2, 1) infinite;
}

.hero-signature-mask-year,
.hero-signature-year .hero-signature-ghost,
.hero-signature-year .hero-signature-reveal {
  animation-delay: 0.28s;
}

.hero-signature-pen {
  stroke: rgba(var(--accent-strong-rgb), 0.28);
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 8px rgba(var(--accent-strong-rgb), 0.22));
  opacity: 0;
  animation: heroSignaturePenTrace 7.4s cubic-bezier(0.22, 0.78, 0.2, 1) infinite;
}

.hero-signature-pen-year {
  animation-delay: 0.28s;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 26px;
  font-size: clamp(42px, 7vw, 78px);
  font-weight: 950;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.hero-title-mark,
.hero-text-mark {
  color: var(--accent-strong);
  font-family: inherit;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-shadow: 0 0 22px rgba(var(--accent-strong-rgb), 0.24);
}

.hero-title-mark {
  display: inline-block;
  font-size: 1.04em;
  text-shadow: 0 0 30px rgba(var(--accent-strong-rgb), 0.3);
}

.hero-text-mark {
  font-weight: 700;
  letter-spacing: 0.01em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.25;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.filter-button,
.text-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button {
  padding: 11px 18px;
  font-weight: 700;
}

.button:hover,
.filter-button:hover,
.button:focus-visible,
.filter-button:focus-visible,
.text-button:hover,
.text-button:focus-visible,
.icon-button:hover,
.icon-button:focus-visible {
  transform: translateY(-2px);
}

.primary {
  background: var(--accent);
  color: #fff;
}

.secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.text-button {
  width: fit-content;
  min-height: 34px;
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  font-weight: 700;
}

.icon-button {
  width: 40px;
  height: 40px;
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 24px;
}

.hero-preview {
  position: relative;
  transform: translateX(clamp(18px, 3vw, 48px));
}

.hero-preview::before {
  position: absolute;
  inset: -24px;
  content: "";
  border: 1px solid rgba(var(--accent-strong-rgb), 0.24);
  border-radius: 8px;
  transform: rotate(-4deg);
}

.preview-window {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(145deg, #151922, #080a0f);
  box-shadow: var(--shadow);
}

.preview-topbar {
  display: flex;
  gap: 7px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.preview-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--subtle);
}

.preview-topbar span:first-child {
  background: var(--accent);
}

.preview-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 22px;
}

.preview-panel,
.preview-line {
  min-height: 92px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.preview-panel.wide {
  grid-column: 1 / -1;
  min-height: 150px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.38), transparent 72%),
    rgba(255, 255, 255, 0.06);
}

.preview-line {
  grid-column: 1 / -1;
  min-height: 14px;
  width: 88%;
}

.preview-line.short {
  width: 54%;
}

.shader-hero {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  place-items: start center;
  padding: clamp(72px, 10vh, 120px) clamp(18px, 4vw, 62px);
  background: #020202;
}

.hero-shader-canvas,
.hero-shader-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-shader-canvas {
  opacity: 0.96;
}

.hero-shader-vignette {
  z-index: 1;
  background:
    radial-gradient(circle at 50% 46%, transparent 0 34%, rgba(0, 0, 0, 0.16) 58%, rgba(0, 0, 0, 0.92) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.05) 38%, rgba(0, 0, 0, 0.88));
}

.hero-orbital-grid {
  position: absolute;
  inset: -20%;
  z-index: 1;
  opacity: 0.34;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: radial-gradient(circle at 50% 45%, black, transparent 65%);
  pointer-events: none;
  transform: perspective(720px) rotateX(64deg) translateY(20vh);
  animation: heroGridDrift 14s linear infinite;
}

@keyframes heroGridDrift {
  from { background-position: 0 0; }
  to { background-position: 0 78px; }
}

.hero-shader-hud {
  position: absolute;
  inset: auto clamp(26px, 5vw, 72px) clamp(24px, 6vw, 72px) clamp(26px, 5vw, 72px);
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.hero-shader-hud span {
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(4, 7, 14, 0.38);
  color: rgba(246, 248, 255, 0.64);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.shader-floating-chip,
.shader-scroll-cue {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(244, 239, 228, 0.12);
  border-radius: 999px;
  background: rgba(5, 5, 5, 0.26);
  color: rgba(244, 239, 228, 0.66);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(16px);
}

.shader-floating-chip {
  padding: 12px 16px;
  pointer-events: none;
}

.shader-floating-chip span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f4efe4;
  box-shadow: 0 0 14px rgba(244, 239, 228, 0.7);
}

.shader-chip-a {
  top: 22%;
  left: clamp(24px, 6vw, 90px);
}

.shader-chip-b {
  top: 28%;
  right: clamp(24px, 6vw, 90px);
}

.shader-chip-c {
  right: 18%;
  bottom: 24%;
}

.shader-scroll-cue {
  bottom: 28px;
  left: 50%;
  padding: 12px 16px;
  transform: translateX(-50%);
  transition: border-color 0.24s ease, color 0.24s ease, box-shadow 0.24s ease;
}

.shader-scroll-cue:hover,
.shader-scroll-cue:focus-visible {
  border-color: rgba(244, 239, 228, 0.34);
  color: #fff;
  box-shadow: 0 0 34px rgba(244, 239, 228, 0.12);
}

.hero-title-wrap {
  position: absolute;
  inset: 0;
  z-index: 5;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0 clamp(24px, 6vw, 96px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transform: translateY(-2vh);
}

.shader-hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: max-content;
  max-width: min(92vw, 1280px);
  margin: 0;
  font-size: clamp(72px, 10.5vw, 176px);
  gap: 14px;
  line-height: 0.9;
  letter-spacing: -0.08em;
  font-weight: 900;
  text-transform: none;
  overflow: visible;
  filter: drop-shadow(0 24px 80px rgba(0, 0, 0, 0.5));
}

.shader-hero-title > span {
  display: block;
  text-transform: none;
  white-space: nowrap;
}

.shader-hero-title > span:first-child {
  transform: translateY(-0.45em);
}

.shader-hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 1.35px rgba(244, 239, 228, 0.88);
  text-shadow: 0 0 32px rgba(216, 216, 216, 0.22);
}

.shader-hero-spaced {
  width: max-content;
  max-width: min(92vw, 1280px);
  margin: 30px 0 0;
  color: rgba(244, 239, 228, 0.72);
  font-size: clamp(14px, 1.55vw, 22px);
  font-weight: 900;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  align-self: center;
}

.letter-swap-word {
  --swap-width: 7.15em;
  --swap-duration: 480ms;
  --swap-stagger: 42ms;
  position: relative;
  display: inline-block;
  width: var(--swap-width);
  height: 1.45em;
  padding: 0.08em 0.28em 0.26em;
  line-height: 1;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: baseline;
  flex-shrink: 0;
  text-align: center;
  letter-spacing: -0.08em;
  margin-top: -0.02em;
  box-sizing: content-box;
}

.letter-swap-word .swap-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 1.42em;
  overflow: visible;
  white-space: nowrap;
}

.letter-swap-word .swap-word {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  white-space: nowrap;
  overflow: visible;
}

.letter-swap-word .swap-char {
  position: relative;
  display: inline-block;
  overflow: visible;
  line-height: 1;
  white-space: pre;
}

.letter-swap-word .swap-letter {
  display: inline-block;
  overflow: visible;
  will-change: transform, opacity;
  transform: translate3d(0, 0, 0);
  transition:
    transform var(--swap-duration) cubic-bezier(0.22, 1, 0.36, 1),
    opacity 280ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--i) * var(--swap-stagger));
}

.letter-swap-word .swap-letter-current {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

.letter-swap-word .swap-letter-next {
  transform: translate3d(0, var(--next-start, -120%), 0);
  opacity: 0;
}

.letter-swap-word.is-swapping .swap-letter-current {
  transform: translate3d(0, var(--current-end, 120%), 0);
  opacity: 0;
}

.letter-swap-word.is-swapping .swap-letter-next {
  transform: translate3d(0, var(--next-end, 0), 0);
  opacity: 1;
}

.shader-hero .hero-text {
  max-width: 720px;
  color: rgba(246, 248, 255, 0.72);
}

.split-showcase {
  --split-frame-scale: 1;
  --split-frame-y: 0px;
  --split-copy-opacity: 0;
  --split-copy-y: 18px;
  --split-copy-blur: 6px;
  --split-radius: 0px;
  --split-panel-radius: 0px;
  --split-single-opacity: 1;
  --split-front-opacity: 1;
  --split-back-opacity: 0;
  --split-border-alpha: 0;
  --split-bleed: 0.8px;
  --split-left-x: 0px;
  --split-mid-x: 0px;
  --split-right-x: 0px;
  --split-left-y: 0px;
  --split-mid-y: 0px;
  --split-right-y: 0px;
  --split-left-rz: 0deg;
  --split-right-rz: 0deg;
  --split-ry: 0deg;
  --split-grid-x: 0px;
  --split-grid-y: 0px;
  --split-grid-alpha: 0.2;
  --split-metal-sheen: 0%;
  --split-gap-bg: #111214;
  --split-shell-alpha: 0.08;
  --split-shell-glow: 0.045;
  --split-fallback-alpha: 0.06;
  position: relative;
  width: 100%;
  height: 655vh;
  margin: 0;
}

.split-sticky {
  position: sticky;
  top: 0;
  display: grid;
  place-items: center;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 52%, rgba(var(--accent-rgb), 0.08), transparent 43%),
    radial-gradient(circle at 50% 72%, rgba(255, 255, 255, 0.055), transparent 44%),
    linear-gradient(180deg, #0b0c0d 0%, #070809 58%, #090a0c 100%),
    #090a0c;
}

.split-sticky::before {
  position: absolute;
  inset: -18%;
  z-index: 0;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.26) 0 1.25px, transparent 1.65px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.058) 1px, transparent 1px);
  background-position:
    var(--split-grid-x) var(--split-grid-y),
    calc(var(--split-grid-x) * 0.42) calc(var(--split-grid-y) * 0.42),
    calc(var(--split-grid-x) * 0.42) calc(var(--split-grid-y) * 0.42);
  background-size: 38px 38px, 86px 86px, 86px 86px;
  content: "";
  opacity: var(--split-grid-alpha);
  mask-image: radial-gradient(circle at 50% 50%, #000 0 46%, transparent 78%);
  pointer-events: none;
  transform: perspective(900px) rotateX(58deg) translate3d(0, 18%, -1px);
  transform-origin: center bottom;
}

.split-sticky::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(4, 5, 6, 0.48));
  content: "";
  pointer-events: none;
}

.split-progress {
  display: none;
}

.split-visual {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: min(1180px, 86vw);
  height: min(620px, 68vh);
  perspective: 1600px;
}

.page-star-bg {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: screen;
}

.split-copy {
  position: absolute;
  top: calc(50% - min(395px, 43vh));
  left: 50%;
  z-index: 5;
  width: min(960px, 88vw);
  color: rgba(245, 239, 230, 0.92);
  opacity: var(--split-copy-opacity);
  filter: blur(var(--split-copy-blur));
  pointer-events: none;
  text-align: center;
  text-shadow: 0 6px 22px rgba(255, 255, 255, 0.34), 0 0 34px rgba(245, 239, 230, 0.18);
  transform: translate3d(-50%, var(--split-copy-y), 0);
  white-space: nowrap;
}

.split-copy span,
.split-copy strong {
  display: inline;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 4.5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.split-copy em {
  font-style: italic;
  letter-spacing: -0.08em;
}

.split-frame-shell {
  position: relative;
  isolation: isolate;
  width: min(1120px, 78vw);
  aspect-ratio: 16 / 9;
  border-radius: var(--split-radius);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, var(--split-shell-glow)), transparent 46%),
    linear-gradient(180deg, rgba(21, 22, 26, var(--split-shell-alpha)) 0%, rgba(17, 18, 20, calc(var(--split-shell-alpha) * 0.55)) 48%, rgba(9, 10, 12, calc(var(--split-shell-alpha) * 0.28)) 100%);
  box-shadow:
    0 46px 120px rgba(0, 0, 0, 0.26),
    inset 0 0 0 1px rgba(255, 255, 255, 0.018),
    0 0 90px rgba(255, 255, 255, 0.028);
  transform: translate3d(0, var(--split-frame-y), 0) scale(var(--split-frame-scale));
  transform-origin: center;
}

.split-frame-shell::before {
  content: "";
  position: absolute;
  inset: -12%;
  z-index: -1;
  border-radius: calc(var(--split-radius) + 32px);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.045), transparent 50%),
    radial-gradient(circle at 50% 64%, rgba(var(--accent-rgb), 0.04), transparent 58%);
  filter: blur(30px);
  opacity: 0.42;
  pointer-events: none;
}

.split-single-overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  overflow: hidden;
  border-radius: var(--split-radius);
  background-color: rgba(47, 48, 53, var(--split-fallback-alpha));
  background-image: var(--split-image);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  opacity: var(--split-single-opacity);
  pointer-events: none;
}

.split-frame {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: visible;
  border-radius: var(--split-radius);
  transform-style: preserve-3d;
}

.split-slice {
  --split-hover-x: 0px;
  --split-hover-y: 0px;
  --split-hover-rx: 0deg;
  --split-hover-ry: 0deg;
  --split-hover-presence: 0;
  --split-glow-x: 50%;
  --split-glow-y: 50%;
  position: absolute;
  top: 0;
  height: 100%;
  width: calc(33.333333% + var(--split-bleed) * 2);
  overflow: hidden;
  border: 0;
  border-radius: var(--split-panel-radius);
  background: transparent;
  box-shadow: none;
  clip-path: inset(0 round var(--split-panel-radius));
  transform-style: preserve-3d;
  will-change: transform;
}

.split-slice::after {
  content: none;
}

.split-left {
  left: calc(0% - var(--split-bleed));
  transform: translate3d(var(--split-left-x), var(--split-left-y), 0) rotateZ(var(--split-left-rz));
}

.split-mid {
  left: calc(33.333333% - var(--split-bleed));
  transform: translate3d(var(--split-mid-x), var(--split-mid-y), 0);
}

.split-right {
  left: calc(66.666666% - var(--split-bleed));
  transform: translate3d(var(--split-right-x), var(--split-right-y), 0) rotateZ(var(--split-right-rz));
}

.split-card {
  position: absolute;
  inset: -0.5px;
  border-radius: inherit;
  transform: rotateY(var(--split-ry));
  transform-style: preserve-3d;
  will-change: transform;
}

.split-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 0;
  border-radius: inherit;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: none;
  background-clip: padding-box;
}

.split-face::after {
  position: absolute;
  inset: 0;
  z-index: 4;
  background:
    linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.22) calc(var(--split-metal-sheen) - 8%), transparent calc(var(--split-metal-sheen) + 12%)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.026) 0 1px, transparent 1px 7px);
  content: "";
  mix-blend-mode: screen;
  opacity: calc(var(--split-border-alpha) * 2.7);
  pointer-events: none;
}

.split-front {
  background-color: rgba(47, 48, 53, calc(var(--split-fallback-alpha) * 0.6));
  background-image: var(--split-image);
  background-repeat: no-repeat;
  background-size: calc(300% - var(--split-bleed) * 6) 100%;
  border-color: transparent;
  box-shadow: none;
  opacity: var(--split-front-opacity);
  transform: translateZ(0.35px);
}

.split-left .split-front { background-position: var(--split-bleed) center; }
.split-mid .split-front { background-position: center center; }
.split-right .split-front { background-position: calc(100% - var(--split-bleed)) center; }

.split-back {
  /* 不要 position:relative —— 背面内容在 absolute 的 .split-back-inner 里，
     relative 父会被撑塌成高度 0 而整片消失；沿用 .split-face 的 absolute+inset:0 填满卡片 */
  padding: 0;
  opacity: var(--split-back-opacity);
  box-shadow:
    0 34px 86px rgba(0, 0, 0, calc(0.28 + var(--split-border-alpha) * 4.2)),
    inset 0 0 0 1px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, calc(0.06 + var(--split-border-alpha) * 1.4)),
    inset 0 -1px 0 rgba(0, 0, 0, calc(0.12 + var(--split-border-alpha) * 3.2));
  transform: rotateY(180deg) translateZ(0.35px) scale(var(--back-hover, 1));
  transition: transform 0.34s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.split-back::before {
  position: absolute;
  inset: -38%;
  z-index: 0;
  background:
    radial-gradient(circle at var(--split-glow-x) var(--split-glow-y), rgba(255, 255, 255, 0.32), transparent 22%),
    radial-gradient(circle at calc(100% - var(--split-glow-x)) calc(100% - var(--split-glow-y)), rgba(var(--accent-rgb), 0.18), transparent 30%);
  content: "";
  opacity: calc(var(--split-hover-presence) * 0.9);
  pointer-events: none;
  transform: translate3d(calc(var(--split-hover-x) * -1.4), calc(var(--split-hover-y) * -1.4), -1px);
  transition:
    opacity 0.34s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.12);
}

/* 翻转完成后解锁参考文件的 hover 视差：外层继续负责滚动翻转，内层单独做深度倾斜。 */
.split-back-inner {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(24px, 3vw, 48px);
  transform:
    translate3d(var(--split-hover-x), var(--split-hover-y), 30px)
    rotateX(var(--split-hover-rx))
    rotateY(var(--split-hover-ry));
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.12);
  will-change: transform;
}

/* 翻转完成后 hover：卡片本体轻微放大，背面内容层单独倾斜；不碰 split-card 的 rotateY 主动画。 */
.split-flipped .split-slice:hover .split-back {
  --back-hover: 1.04;
}

.split-back-inner > * {
  transform: translateZ(18px);
}

.split-back p {
  transform: translateZ(30px);
}

.split-card-icon {
  transform: translateZ(44px);
}

.split-back h3 {
  margin: auto 0 0;
  font-size: clamp(28px, 3.1vw, 50px);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.split-back h3::before {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.4;
}

.split-back p {
  max-width: 28ch;
  margin: 12px 0 0;
  font-size: clamp(12px, 1.1vw, 16px);
  font-weight: 600;
  line-height: 1.5;
  opacity: 0.72;
}

.split-back span:not(.split-card-icon) {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 24px;
  opacity: 0.72;
}

.split-card-light {
  background:
    radial-gradient(circle at 26% 18%, rgba(255, 255, 255, 0.95), transparent 28%),
    linear-gradient(115deg, #fafafa, #c9c9c9 36%, #797b80 72%, #f2f2f2);
  color: #121212;
}

.split-card-red {
  background:
    radial-gradient(circle at 62% 18%, rgba(255, 255, 255, 0.42), transparent 30%),
    linear-gradient(135deg, #ff6a1a, #ff4f00 48%, #c53600);
  color: #080808;
}

.split-card-dark {
  background:
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, 0.16), transparent 30%),
    linear-gradient(125deg, #060606, #2a2b2d 42%, #696b6f 62%, #090909);
  color: #f7efe5;
}

.split-card-icon {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  color: currentColor;
  opacity: 0.88;
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 12px 34px rgba(0, 0, 0, 0.22);
}

.split-card-icon svg {
  width: 72%;
  height: 72%;
  display: block;
}

.split-card-icon-ue {
  background: rgba(255, 105, 32, 0.14);
}

.split-card-icon-ae {
  background: rgba(150, 100, 255, 0.18);
}

.split-card-icon-c4d {
  background: rgba(90, 150, 255, 0.16);
}

.split-card-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin-top: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  opacity: 0.62;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-heading {
  margin-bottom: 28px;
}

.selected-work {
  position: relative;
  z-index: 2;
  overflow: hidden;
  isolation: isolate;
  opacity: 1;
}

.selected-work.section {
  width: 100%;
  max-width: none;
  min-height: 100svh;
  margin: 0;
  padding: 84px clamp(24px, 4vw, 72px);
  background: #000 !important;
  color: var(--text);
}

.selected-work-wavy {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 0;
  width: 100vw;
  height: 100%;
  opacity: 0.92;
  pointer-events: none;
  mix-blend-mode: screen;
  transform: translateX(-50%);
}

.selected-work::before {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 1;
  width: 100vw;
  height: 100%;
  background:
    radial-gradient(circle at 50% 45%, transparent 0 54%, rgba(0, 0, 0, 0.24) 86%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.24));
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.selected-work ~ .section {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 84px clamp(24px, 4vw, 72px);
  background: #000;
}

.selected-work-heading {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.55fr);
  gap: 18px;
  align-items: end;
  margin-bottom: 22px;
}

.selected-work-heading h2 {
  position: relative;
  justify-self: end;
  overflow: hidden;
  color: var(--text);
  text-align: right;
}

.selected-work-heading h2::after {
  content: none;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .selected-work-heading h2 {
    background-image:
      linear-gradient(
        100deg,
        transparent 0%,
        transparent 39%,
        rgba(255, 255, 255, 0.92) 47%,
        var(--accent-strong) 50%,
        rgba(255, 255, 255, 0.92) 53%,
        transparent 61%,
        transparent 100%
      ),
      linear-gradient(var(--text), var(--text));
    background-repeat: no-repeat;
    background-size: 220% 100%, 100% 100%;
    background-position: 125% 50%, 0 0;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 8px rgba(var(--accent-strong-rgb), 0);
    animation: selectedHeadingTextSweep 5.6s linear infinite;
  }
}

.selected-work-heading p:last-of-type {
  max-width: 440px;
  margin: 0 0 2px auto;
  color: var(--muted);
}

.selected-work-shell {
  position: relative;
  z-index: 2;
}

.selected-work-list {
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.selected-work-entry {
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.selected-work-item {
  width: 100%;
  margin: 0;
  padding: clamp(12px, 1.7vw, 20px) 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  cursor: pointer;
  text-align: left;
}

.selected-work-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.selected-work-title {
  display: block;
  font-size: clamp(30px, 5vw, 72px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
  transition: color 0.18s ease, text-shadow 0.22s ease, transform 0.22s cubic-bezier(0.2, 0.9, 0.24, 1);
}

.selected-work-subtitle {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 700;
}

.selected-work-index {
  color: rgba(255, 255, 255, 0.46);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.selected-work-item:hover,
.selected-work-item:focus-visible,
.selected-work-item.is-active {
  color: var(--text);
  outline: none;
}

.selected-work-item:hover .selected-work-title,
.selected-work-item:focus-visible .selected-work-title,
.selected-work-item.is-active .selected-work-title {
  color: var(--accent-strong);
  text-shadow: 0 0 24px rgba(var(--accent-strong-rgb), 0.18);
  transform: translateX(0.02em);
}

.selected-work-item:hover .selected-work-index,
.selected-work-item:focus-visible .selected-work-index,
.selected-work-item.is-active .selected-work-index {
  color: rgba(var(--accent-strong-rgb), 0.9);
}

@keyframes selectedHeadingTextSweep {
  0% {
    background-position: 125% 50%, 0 0;
    text-shadow: 0 0 8px rgba(var(--accent-strong-rgb), 0);
  }

  25% {
    background-position: 87.5% 50%, 0 0;
    text-shadow: 0 0 14px rgba(var(--accent-strong-rgb), 0.1);
  }

  75% {
    background-position: 12.5% 50%, 0 0;
    text-shadow: 0 0 14px rgba(var(--accent-strong-rgb), 0.1);
  }

  100% {
    background-position: -25% 50%, 0 0;
    text-shadow: 0 0 8px rgba(var(--accent-strong-rgb), 0);
  }
}

.selected-preview-card,
.selected-inline-preview {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), transparent 34%),
    rgba(9, 12, 18, 0.72);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(24px) saturate(1.16);
  overflow: hidden;
}

.selected-preview-card {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 72;
  width: min(340px, calc(100vw - 32px));
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  filter: blur(8px);
  transform-style: preserve-3d;
  transform: translate3d(-9999px, -9999px, 0) rotate(0deg) scale(0.88);
  transition: filter 0.16s ease, visibility 0.16s ease;
  will-change: transform;
}

.selected-preview-card::before {
  position: absolute;
  inset: 1px;
  z-index: 1;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 30%),
    radial-gradient(circle at 18% 12%, rgba(var(--accent-strong-rgb), 0.18), transparent 38%);
  content: "";
  opacity: 0.74;
  pointer-events: none;
}

.selected-preview-card.is-visible {
  opacity: 1;
  visibility: visible;
  filter: blur(0);
}

.selected-preview-card.is-switching {
  filter: blur(0);
}

.selected-preview-cover {
  display: grid;
  aspect-ratio: 4 / 3;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(var(--accent-strong-rgb), 0.58), transparent 36%),
    radial-gradient(circle at 86% 72%, rgba(255, 255, 255, 0.14), transparent 42%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(var(--accent-rgb), 0.2) 48%, rgba(255, 255, 255, 0.045)),
    #111722;
  transform: translateZ(18px);
}

.selected-preview-cover img,
.selected-preview-cover video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.selected-preview-cover span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.selected-preview-content {
  position: relative;
  z-index: 2;
  padding: 18px;
  opacity: var(--selected-preview-content-alpha, 1);
  transform: translateZ(24px) scale(var(--selected-preview-content-scale, 1));
  transform-origin: center top;
}

.selected-preview-meta,
.selected-preview-content p {
  color: var(--muted);
  font-size: 13px;
}

.selected-preview-description {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.selected-preview-content h3 {
  margin: 6px 0;
  font-size: 22px;
  line-height: 1.05;
}

.selected-preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0;
}

.selected-preview-tags span {
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.selected-preview-action {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.selected-inline-preview {
  display: none;
  margin-top: 18px;
}

.about-grid,
.skills-grid,
.projects-grid {
  display: grid;
  gap: 18px;
}

.about-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skills-grid,
.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.project-card,
.skill-card,
.contact-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(14, 17, 23, 0.72);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
}

.settings-panel {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 30;
  width: min(420px, calc(100% - 36px));
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(8, 10, 14, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  opacity: 0;
  transform: translateX(18px);
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.settings-panel.open {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
}

.settings-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.settings-panel h2 {
  font-size: 26px;
}

.settings-grid {
  display: grid;
  gap: 16px;
}

.mouse-fx-reset-button {
  width: 100%;
}

.replay-intro-button {
  width: 100%;
  margin-top: 10px;
}

.settings-details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.settings-details > summary,
.settings-subdetails > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 46px;
  padding: 12px 14px;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  list-style: none;
}

.settings-details > summary::-webkit-details-marker,
.settings-subdetails > summary::-webkit-details-marker {
  display: none;
}

.settings-details > summary::after,
.settings-subdetails > summary::after {
  content: "+";
  color: var(--accent-strong);
  font-weight: 900;
}

.settings-details[open] > summary::after,
.settings-subdetails[open] > summary::after {
  content: "−";
}

.settings-details-body {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.settings-subdetails {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.16);
}

.settings-subdetails > summary {
  min-height: 38px;
  padding: 9px 10px;
  color: var(--muted);
}

.compact-group,
.compact-row {
  padding: 10px;
}

.compact-row {
  margin: 8px;
}

.control-row,
.toggle-row,
.setting-group {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
}

.toggle-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.control-row span,
.toggle-row span,
.setting-group legend {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.setting-group {
  border: 1px solid var(--border);
}

.setting-group label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.setting-group input[type="radio"] {
  accent-color: var(--accent);
}

.theme-group {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.theme-group legend {
  grid-column: 1 / -1;
}

.theme-group label {
  min-width: 0;
}

.global-mouse-fx-root {
  position: fixed;
  inset: 0;
  z-index: 18;
  pointer-events: none;
}

.global-mouse-fx-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.theme-swatch {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: var(--theme-swatch);
  box-shadow: 0 0 14px rgba(var(--accent-strong-rgb), 0.22);
}

input[type="range"],
input[type="color"] {
  width: 100%;
  accent-color: var(--accent);
}

input[type="color"] {
  min-height: 42px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
}

.reset-button {
  width: 100%;
  margin-top: 16px;
}

.card,
.skill-card,
.contact-card {
  padding: 24px;
}

.card p,
.skill-card p,
.project-card p,
.contact-card p {
  color: var(--muted);
}

.filter-bar {
  margin-bottom: 20px;
}

.filter-button {
  padding: 9px 14px;
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.filter-button.active {
  border-color: rgba(var(--accent-strong-rgb), 0.7);
  background: rgba(var(--accent-rgb), 0.16);
  color: var(--text);
}

.project-card {
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: rgba(var(--accent-strong-rgb), 0.5);
  transform: translateY(-4px) scale(1.015);
  outline: none;
}

.project-card.hidden {
  display: none;
}

.project-visual {
  display: grid;
  min-height: 168px;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.24), rgba(255, 255, 255, 0.02)),
    #10141c;
}

.project-visual span {
  color: rgba(255, 255, 255, 0.86);
  font-size: 34px;
  font-weight: 800;
}

.project-content {
  padding: 20px;
}

.project-type,
.skill-number {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
}

.skill-number {
  display: inline-block;
  margin-bottom: 18px;
}

.page-shell {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 72px 0 96px;
}

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

.page-hero {
  display: grid;
  gap: 18px;
  max-width: 880px;
  padding: clamp(48px, 10vw, 110px) 0 46px;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 112px);
  line-height: 0.92;
}

.page-hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}

body[data-page-title^="关于"] .page-shell {
  position: relative;
  isolation: isolate;
}

body[data-page-title^="关于"] {
  --about-content-width: min(1480px, calc(100vw - clamp(48px, 8vw, 160px)));
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.12), transparent 32%),
    radial-gradient(circle at 12% 58%, rgba(var(--accent-rgb), 0.2), transparent 34%),
    radial-gradient(circle at 86% 42%, rgba(255, 255, 255, 0.06), transparent 36%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012)),
    #050506;
}

body[data-page-title^="关于"]::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: radial-gradient(circle at 50% 42%, black, transparent 78%);
  opacity: 0.34;
  pointer-events: none;
}

body[data-page-title^="关于"]::after {
  position: fixed;
  inset: auto -16vw -22vw auto;
  z-index: 0;
  width: min(820px, 68vw);
  aspect-ratio: 1;
  border: 1px solid rgba(245, 245, 240, 0.11);
  border-radius: 50%;
  box-shadow: 0 0 90px rgba(var(--accent-rgb), 0.08);
  opacity: 0.55;
  content: "";
  pointer-events: none;
}

body[data-page-title^="关于"] .background-vignette {
  background:
    radial-gradient(circle at 50% 8%, transparent 0 32%, rgba(0, 0, 0, 0.16) 58%, rgba(0, 0, 0, 0.72) 100%),
    linear-gradient(180deg, rgba(2, 2, 4, 0.08), rgba(2, 2, 4, 0.78));
}

body[data-page-title^="关于"] .page-shell::before,
body[data-page-title^="关于"] .page-shell::after {
  position: absolute;
  z-index: -1;
  content: "";
  pointer-events: none;
}

body[data-page-title^="关于"] .page-shell::before {
  top: 60px;
  right: 0;
  width: min(420px, 52vw);
  aspect-ratio: 1;
  border: 1px solid rgba(var(--accent-strong-rgb), 0.12);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(var(--accent-rgb), 0.18), transparent 62%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 26px);
  opacity: 0.72;
  filter: blur(0.2px);
}

body[data-page-title^="关于"] .page-shell::after {
  top: 24px;
  left: -8vw;
  width: min(540px, 58vw);
  height: 240px;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.08), transparent 68%);
  transform: rotate(-8deg);
}

body[data-page-title^="关于"] .about-grid .card {
  position: relative;
  overflow: hidden;
  border-color: rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.09), transparent 42%),
    rgba(8, 10, 15, 0.72);
  transition: transform 260ms cubic-bezier(0.2, 1.18, 0.22, 1), border-color 260ms ease, box-shadow 260ms ease;
}

/* ── About Index Section ── */
.about-to-contact-bg {
  position: relative;
  background: var(--bg);
}

.about-to-contact-bg > section {
  position: relative;
  z-index: 1;
}

.about-index-section h2,
.contact-terminal-section h2 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 600;
}

.about-index-section p,
.contact-terminal-section p {
  font-size: inherit;
}

.about-index-section {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 64px;
  padding-bottom: 64px;
}

.about-bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ── Frosted-glass panels: separate text from the live particle bg (readability) ── */
.about-index-layout,
.contact-terminal-layout,
#skills .skills-grid {
  background: linear-gradient(180deg, rgba(12, 14, 20, 0.62), rgba(6, 7, 12, 0.5));
  -webkit-backdrop-filter: blur(16px) saturate(118%);
  backdrop-filter: blur(16px) saturate(118%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg, 20px);
  padding: clamp(22px, 3vw, 42px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.about-index-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-index-heading {
  padding-right: 24px;
}

.about-index-lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin-top: 10px;
}

.about-index-lines {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-index-line {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,0.07);
  align-items: baseline;
}

.about-index-line:first-child {
  border-top: 1px solid rgba(255,255,255,0.1);
}

.about-index-line span {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.about-index-line h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
}

.about-index-line p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  grid-column: 2;
}

.about-mini-archive {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  border-radius: var(--radius-md);
}

.about-mini-archive > p {
  color: var(--subtle);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0 0 12px;
}

.about-mini-archive dl {
  margin: 0;
}

.about-mini-archive dl div {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.about-mini-archive dl div:last-child {
  border-bottom: none;
}

.about-mini-archive dt {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  min-width: 36px;
}

.about-mini-archive dd {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
  line-height: 1.5;
}

.about-mini-archive a {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.about-mini-archive a:hover {
  text-decoration: underline;
}

/* ── About index: 滚动入场 + hover 微交互（task 5） ── */
/* 渐进增强：仅当 JS 加上 .reveal-ready 才隐藏，JS 不跑时内容照常可见 */
.about-index-layout.reveal-ready .about-index-heading,
.about-index-layout.reveal-ready .about-index-line,
.about-index-layout.reveal-ready .about-mini-archive {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.about-index-layout.reveal-ready.is-revealed .about-index-heading,
.about-index-layout.reveal-ready.is-revealed .about-index-line,
.about-index-layout.reveal-ready.is-revealed .about-mini-archive {
  opacity: 1;
  transform: none;
}
.about-index-layout.reveal-ready.is-revealed .about-index-heading { transition-delay: 0.02s; }
.about-index-layout.reveal-ready.is-revealed .about-index-lines .about-index-line:nth-child(1) { transition-delay: 0.12s; }
.about-index-layout.reveal-ready.is-revealed .about-index-lines .about-index-line:nth-child(2) { transition-delay: 0.20s; }
.about-index-layout.reveal-ready.is-revealed .about-index-lines .about-index-line:nth-child(3) { transition-delay: 0.28s; }
.about-index-layout.reveal-ready.is-revealed .about-mini-archive { transition-delay: 0.34s; }

/* 每行 hover：左侧强调竖线 + 序号右移高亮 + 标题转强调色 + 描述提亮 */
.about-index-line {
  position: relative;
}
.about-index-line::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--accent-strong);
  border-radius: 2px;
  transform: scaleY(0);
  transform-origin: top center;
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.4s ease;
}
.about-index-line:hover::before {
  transform: scaleY(1);
  opacity: 1;
}
.about-index-line span {
  display: inline-block;
  transition: color 0.3s ease, transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.about-index-line:hover span {
  color: #fff;
  transform: translateX(4px);
}
.about-index-line h3,
.about-index-line p {
  transition: color 0.3s ease;
}
.about-index-line:hover h3 {
  color: var(--accent-strong);
}
.about-index-line:hover p {
  color: rgba(255, 255, 255, 0.82);
}

/* lead：heading 区悬停提亮 */
.about-index-lead {
  transition: color 0.4s ease;
}
.about-index-heading:hover .about-index-lead {
  color: rgba(255, 255, 255, 0.9);
}

/* archive：行悬停微亮 + 链接箭头位移 */
.about-mini-archive dl div {
  border-radius: 6px;
  transition: background 0.3s ease;
}
.about-mini-archive dl div:hover {
  background: rgba(255, 255, 255, 0.04);
}
.about-mini-archive dt,
.about-mini-archive dd {
  transition: color 0.3s ease;
}
.about-mini-archive dl div:hover dt {
  color: #fff;
}
.about-mini-archive dl div:hover dd {
  color: rgba(255, 255, 255, 0.85);
}
.about-mini-archive a {
  transition: color 0.3s ease, transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.about-mini-archive a:hover {
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .about-index-line:hover span,
  .about-mini-archive a:hover {
    transform: none;
  }
}

/* ── Contact Terminal Section ── */
/* ── Wormhole Home Section ── */
.wormhole-home-section {
  position: relative;
  width: 100%;
  padding: 0;
  overflow: hidden;
}

.home-wormhole-frame {
  --wormhole-rgb-px: 0px;
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: #020204;
  border-radius: var(--radius-lg);
  z-index: 2;
  isolation: isolate;
  cursor: crosshair;
}

.home-wormhole-frame .wormhole-canvas,
.home-wormhole-frame .wormhole-fragment-layer,
.home-wormhole-frame .wormhole-word-layer {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.home-wormhole-frame .wormhole-canvas {
  z-index: 1;
}

.home-wormhole-frame .wormhole-fragment-layer {
  z-index: 2;
  overflow: visible;
  pointer-events: none;
}

.home-wormhole-frame .wormhole-word-layer {
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.home-wormhole-frame .wormhole-core-word {
  position: absolute;
  left: 50%;
  top: 58%;
  display: block;
  color: rgba(246, 248, 255, 0.92);
  font-size: clamp(16px, 2vw, 32px);
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  opacity: 0;
  text-align: center;
  text-shadow: 0 0 24px rgba(38, 217, 255, 0.42), 0 0 34px rgba(255, 255, 255, 0.1);
  filter: blur(8px);
  transform: translate3d(-50%, -50%, 0) scale(0.72);
  transform-origin: center;
  will-change: opacity, filter, transform;
  white-space: nowrap;
}

.home-wormhole-frame .wormhole-fragment {
  transform-box: fill-box;
  transform-origin: center;
}

.home-wormhole-frame .wormhole-fragment.is-sticker {
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.34));
}

.home-wormhole-frame.is-rgb-shift:not(.rgb-quality-low) .wormhole-fragment {
  filter:
    drop-shadow(calc(var(--wormhole-rgb-px, 0px) * -1) 0 1px rgba(255, 68, 82, 0.42))
    drop-shadow(var(--wormhole-rgb-px, 0px) 0 1px rgba(38, 217, 255, 0.44));
}

.home-wormhole-frame.is-rgb-shift:not(.rgb-quality-low) .wormhole-fragment.is-sticker {
  filter:
    drop-shadow(0 8px 12px rgba(0, 0, 0, 0.34))
    drop-shadow(calc(var(--wormhole-rgb-px, 0px) * -1) 0 2px rgba(255, 68, 82, 0.34))
    drop-shadow(var(--wormhole-rgb-px, 0px) 0 2px rgba(38, 217, 255, 0.36));
}

.home-wormhole-frame.is-audio-hover {
  cursor: none;
}

.contact-terminal-section {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 64px;
  padding-bottom: 64px;
}

.contact-terminal-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

.contact-copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin-top: 10px;
}

.contact-status {
  display: inline-block;
  margin-top: 14px;
  color: rgba(0,255,100,0.72);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.contact-terminal {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
}

.contact-terminal a,
.contact-terminal button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: transparent;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
  width: 100%;
  text-align: left;
  transition: background 0.15s, padding-left 0.2s;
}

.contact-terminal a:last-child,
.contact-terminal button:last-child {
  border-bottom: none;
}

.contact-terminal a:hover,
.contact-terminal button:hover {
  background: rgba(255,255,255,0.03);
  padding-left: 26px;
}

.contact-terminal a span,
.contact-terminal button span {
  color: var(--subtle);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  min-width: 80px;
}

.contact-terminal a strong,
.contact-terminal button strong {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
}

@media (max-width: 860px) {
  .about-index-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-terminal-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
/* ── Skills More Button ── */
.skills-more {
  text-align: center;
  margin-top: 24px;
}

/* ── Contact Links ── */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.contact-link-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
  min-width: 80px;
}

.contact-link-btn:hover {
  border-color: rgba(var(--accent-strong-rgb), 0.3);
  background: rgba(var(--accent-rgb), 0.06);
}

.contact-icon {
  font-size: 24px;
}

.contact-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.contact-info-box {
  text-align: center;
  margin-top: 14px;
  margin-bottom: 60px;
  padding: 12px 20px;
  border: 1px solid rgba(var(--accent-strong-rgb), 0.15);
  border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), 0.06);
  font-size: 13px;
  color: var(--muted);
}

/* ── Practice Card (home page) ── */
.practice-card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.practice-card:hover {
  border-color: rgba(var(--accent-strong-rgb), 0.3);
  transform: translateY(-2px);
}

.practice-card-cover {
  aspect-ratio: 16/9;
  background: rgba(var(--accent-rgb), 0.08);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.practice-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.practice-card h4 {
  margin: 0 0 4px;
  font-size: 15px;
}

.practice-card .practice-card-meta {
  font-size: 11px;
  color: var(--subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 860px) {
  .about-feature-grid {
    grid-template-columns: 1fr;
  }
}

body[data-page-title^="关于"] .about-grid .card::after {
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 110px;
  height: 110px;
  border: 1px solid rgba(var(--accent-strong-rgb), 0.18);
  border-radius: 50%;
  content: "";
}

body[data-page-title^="关于"] .about-grid .card:hover {
  border-color: rgba(var(--accent-strong-rgb), 0.34);
  box-shadow: 0 24px 70px rgba(var(--accent-rgb), 0.16);
  transform: translateY(-4px);
}

.about-page-shell {
  width: 100%;
  max-width: none;
  padding: 34px 0 96px;
}

.about-experience {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  padding: clamp(46px, 7vw, 96px);
  padding-inline: clamp(24px, 4vw, 72px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.about-noise,
.about-orbit {
  position: absolute;
  pointer-events: none;
}

.about-noise {
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 42%, black, transparent 76%);
}

.about-orbit {
  z-index: -1;
  border: 1px solid rgba(245, 245, 240, 0.12);
  border-radius: 50%;
  filter: blur(0.2px);
}

.about-orbit-a {
  top: -18%;
  right: -16%;
  width: min(760px, 68vw);
  aspect-ratio: 1;
  box-shadow: 0 0 80px rgba(var(--accent-rgb), 0.12);
  opacity: 0.7;
  animation: aboutOrbitDrift 14s ease-in-out infinite alternate;
}

.about-orbit-b {
  left: -18%;
  bottom: 4%;
  width: min(520px, 54vw);
  aspect-ratio: 1;
  opacity: 0.7;
  animation: aboutOrbitDrift 18s ease-in-out infinite alternate-reverse;
}

@keyframes aboutOrbitDrift {
  from { transform: translate3d(0, 0, 0) rotate(0deg); }
  to { transform: translate3d(18px, -14px, 0) rotate(8deg); }
}

.about-hero-panel {
  display: grid;
  gap: 18px;
  width: var(--about-content-width);
  max-width: var(--about-content-width);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: clamp(34px, 6vw, 76px);
  justify-items: center;
  text-align: center;
}

.about-hero-panel h1 {
  margin: 0;
  font-size: clamp(46px, 8.5vw, 124px);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.about-hero-panel p:last-child {
  max-width: 760px;
  margin: 0 auto;
  color: rgba(245, 247, 251, 0.68);
  font-size: clamp(15px, 1.6vw, 19px);
}

.about-system-grid {
  display: grid;
  grid-template-columns: minmax(230px, 0.86fr) minmax(300px, 1.08fr) minmax(230px, 0.86fr);
  gap: clamp(16px, 2.4vw, 28px);
  align-items: stretch;
  width: var(--about-content-width);
  max-width: var(--about-content-width);
  margin-left: auto;
  margin-right: auto;
  transform: scale(var(--cms-about-card-scale, 1));
  transform-origin: center top;
}

/* CMS 样式：site-content.json 的 styles 注入为 :root 变量，这里用 var() 接入（后台可调）。 */
.about-gallery-bg {
  opacity: var(--cms-gallery-opacity, 0.28);
}

.about-stack {
  display: grid;
  gap: 14px;
}

.about-system-card,
.about-center-card,
.about-stats-grid article {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 42%),
    rgba(8, 9, 12, 0.74);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(18px);
}

.about-system-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 180px;
  overflow: hidden;
  padding: 22px;
  border-radius: var(--radius-md);
  transition: transform 280ms cubic-bezier(0.2, 1.24, 0.22, 1), border-color 260ms ease, box-shadow 260ms ease;
}

.about-system-card::after {
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 94px;
  height: 94px;
  border: 1px solid rgba(var(--accent-strong-rgb), 0.18);
  border-radius: 50%;
  content: "";
}

.about-system-card:hover {
  border-color: rgba(245, 245, 240, 0.24);
  box-shadow: 0 34px 92px rgba(var(--accent-rgb), 0.14);
  transform: translateY(-5px);
}

.about-system-card span {
  color: rgba(var(--accent-strong-rgb), 0.9);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.about-system-card h2 {
  margin: 18px 0 10px;
  font-size: clamp(22px, 2.2vw, 34px);
  line-height: 1.02;
}

/* ── 关于页卡片：滚动入场(stagger) + 序号/标题 hover 位移（批次② UI 动效，始终播放）── */
.about-system-grid.reveal-ready .about-system-card,
.about-system-grid.reveal-ready .about-center-card {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.72s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.72s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: calc(var(--reveal-i, 0) * 75ms);
}
.about-system-grid.reveal-ready.is-revealed .about-system-card,
.about-system-grid.reveal-ready.is-revealed .about-center-card {
  opacity: 1;
  transform: none;
}
.about-system-card span,
.about-system-card h2 {
  transition: transform 0.42s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.3s ease;
}
.about-system-card:hover span {
  transform: translateX(6px);
}
.about-system-card:hover h2 {
  transform: translateX(3px);
}

.about-system-card p,
.about-center-card p {
  margin: 0;
  color: rgba(245, 247, 251, 0.65);
}

.about-center-card {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  min-height: 620px;
  padding: clamp(30px, 4vw, 56px);
  border-radius: 20px;
  text-align: center;
}

/* Particle canvas: circular soft mask around photo area */




.about-center-card::before {
  content: none;
}

.about-photo-slot {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  place-items: center;
  gap: 6px;
  width: clamp(136px, 15vw, 210px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 44%),
    radial-gradient(circle at 72% 18%, rgba(var(--accent-rgb), 0.42), transparent 34%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    #090a0d;
  background-size: auto, auto, 18px 18px, 18px 18px;
  color: #f6f4ee;
  box-shadow: 0 0 80px rgba(var(--accent-rgb), 0.18);
}

.about-photo-slot canvas {
  border-radius: 18px;
}

.about-photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.8s ease;
}



.about-photo-slot span {
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.about-photo-slot small {
  color: rgba(245, 247, 251, 0.52);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.about-profile-kicker {
  color: rgba(var(--accent-strong-rgb), 0.82) !important;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.about-center-card h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 72px);
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.about-profile-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.about-profile-tags span,
.about-stats-grid span {
  color: rgba(245, 247, 251, 0.58);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.about-profile-tags span {
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  width: var(--about-content-width);
  max-width: var(--about-content-width);
  margin-left: auto;
  margin-right: auto;
  margin-top: clamp(18px, 3vw, 34px);
}

.about-stats-grid article {
  display: grid;
  gap: 8px;
  min-height: 120px;
  padding: 20px;
  border-radius: var(--radius-md);
}

.about-stats-grid strong {
  font-size: clamp(24px, 3.2vw, 44px);
  line-height: 1;
}

.archive-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.filter-extra {
  display: none;
}

.archive-filters.filters-expanded .filter-extra {
  display: inline-block;
}

.filter-more {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #a0a0b8;
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
}

.filter-more:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #e0e0ec;
}

.archive-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.archive-controls button,
.archive-controls select {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(14, 17, 23, 0.72);
  color: var(--text);
  padding: 8px 12px;
  transition:
    border-color 0.24s ease,
    background 0.24s ease,
    color 0.2s ease,
    transform 0.26s cubic-bezier(0.34, 1.3, 0.5, 1);
}
/* 分类按钮 hover 上浮 + 选中高亮态（批次③ task4）*/
.archive-controls button:hover {
  border-color: rgba(var(--accent-strong-rgb), 0.5);
  transform: translateY(-2px);
}
.archive-controls button.is-active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.16);
  color: #fff;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.archive-card {
  position: relative;
  display: grid;
  gap: 14px;
  min-height: 320px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    radial-gradient(circle at 75% 15%, rgba(var(--accent-rgb), 0.22), transparent 34%),
    rgba(14, 17, 23, 0.76);
  transition: transform 0.22s cubic-bezier(0.2, 0.9, 0.24, 1), border-color 0.2s ease;
}


.archive-card-date {
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.archive-card:hover,
.archive-card:focus-visible {
  border-color: rgba(var(--accent-strong-rgb), 0.55);
  transform: translateY(-5px) scale(1.012);
  outline: none;
}

/* ── 作品/日常卡片：滚动入场（stagger）+ 封面 hover zoom（批次① UI 动效）──
   .reveal-ready 由 JS 加；无此 class（无 JS / reduce-motion）时卡片正常显示，安全。 */
.archive-grid.reveal-ready .archive-card {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.62s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.62s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: calc(var(--reveal-i, 0) * 52ms);
}
.archive-grid.reveal-ready.is-revealed .archive-card {
  opacity: 1;
  transform: none;
}
.archive-card-visual img,
.archive-card-visual video {
  transition: transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.archive-card:hover .archive-card-visual img,
.archive-card:focus-visible .archive-card-visual img,
.archive-card:hover .archive-card-visual video,
.archive-card:focus-visible .archive-card-visual video {
  transform: scale(1.055);
}

.archive-card-visual {
  position: relative;
  display: grid;
  height: 180px;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.archive-card-visual img,
.archive-card-visual video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.archive-card-code {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}

.archive-card h2,
.archive-card h3,
.archive-card p {
  margin: 0;
}

.archive-card h2,
.archive-card h3 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-card p {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.project-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

.project-back-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0 20px;
}

.page-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(14, 17, 23, 0.62);
  transition: border-color 180ms ease, color 180ms ease, transform 220ms cubic-bezier(0.2, 1.2, 0.2, 1);
}

.page-back-link:hover,
.page-back-link:focus-visible {
  border-color: rgba(var(--accent-strong-rgb), 0.6);
  color: var(--text);
  transform: translateX(-2px);
}

.project-media-stage {
  display: grid;
  gap: 16px;
}

.project-media-main {
  position: relative;
  display: grid;
  min-height: min(68svh, 680px);
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #05070c;
}

.project-media-main.is-placeholder {
  color: rgba(255, 255, 255, 0.2);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.project-media-main img,
.project-media-main video {
  width: 100%;
  max-height: 72svh;
  object-fit: contain;
}

.project-media-main img {
  cursor: zoom-in;
}

.project-media-label {
  position: absolute;
  bottom: 10px;
  right: 12px;
  background: rgba(0, 0, 0, 0.55);
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  pointer-events: none;
}

.project-media-zoom {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  z-index: 2;
}

.project-media-zoom:hover {
  background: rgba(0, 0, 0, 0.75);
}

.project-media-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.project-media-thumb {
  position: relative;
  flex: 0 0 88px;
  height: 58px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}

.project-media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-media-thumb.is-active {
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.project-media-thumb.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
}

.project-media-badge {
  position: absolute;
  bottom: 2px;
  right: 3px;
  background: rgba(0, 0, 0, 0.6);
  color: rgba(255, 255, 255, 0.55);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 1px 4px;
  border-radius: 3px;
  pointer-events: none;
}

.thumb-video-icon {
  position: absolute;
  font-size: 16px;
  opacity: 0.4;
  pointer-events: none;
}

.project-media-thumb:hover {
  border-color: rgba(255, 255, 255, 0.35);
}

/* Lightbox */
.project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-lightbox-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  cursor: pointer;
}

.project-lightbox img {
  position: relative;
  max-width: 94vw;
  max-height: 94vh;
  object-fit: contain;
  z-index: 1;
  border-radius: 6px;
}

.project-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.project-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.project-info-panel {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(14, 17, 23, 0.76);
}

.project-info-panel h1 {
  margin: 0;
  font-size: clamp(26px, 5vw, 68px);
  line-height: 1.05;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.project-info-panel p {
  color: var(--muted);
  word-break: break-word;
  overflow-wrap: break-word;
}

.project-info-panel li {
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-list li {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
  font-weight: 800;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.project-likes-line {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.project-links-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.project-link-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}

.project-software-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-right: 6px;
  margin-bottom: 4px;
}

.contact-section {
  padding-bottom: 56px;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-card p {
  max-width: 660px;
  margin-bottom: 0;
}

.site-footer {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 14px;
}

.site-footer p {
  margin-bottom: 0;
}

.showreel-strip {
  --showreel-duration: 24s;
  --showreel-gap: 60px;
  --showreel-item-width: clamp(520px, 52vw, 760px);
  --showreel-start: 0px;
  --showreel-height: clamp(80px, 8vw, 114px);
  width: min(100% - 32px, var(--max-width));
  margin: 16px auto 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(90deg, rgba(2, 2, 4, 0.95), rgba(14, 17, 23, 0.76), rgba(2, 2, 4, 0.95)),
    rgba(255, 255, 255, 0.03);
  /* mask-image removed */
}

.showreel-button {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.showreel-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.showreel-stage {
  display: block;
  position: relative;
  height: var(--showreel-height);
  overflow: hidden;
}

.showreel-layer {
  display: block;
  position: absolute;
  inset: 0;
  opacity: 0;
  filter: blur(8px);
  pointer-events: none;
  transition: opacity 0.24s ease, filter 0.24s ease;
}

.showreel-layer.is-active {
  opacity: 1;
  filter: blur(0);
}

.showreel-button.is-switching .showreel-layer.is-active {
  filter: blur(2px);
}

.showreel-track {
  display: flex;
  width: max-content;
  height: 100%;
  gap: var(--showreel-gap);
  padding: 0 40px;
  align-items: center;
  color: rgba(245, 247, 251, 0.78);
  font-size: clamp(20px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  text-shadow: 0 0 24px rgba(var(--accent-strong-rgb), 0.18);
  animation: showreel-marquee var(--showreel-duration) linear infinite;
}

.showreel-track > span {
  display: inline-flex;
  align-items: center;
  flex: 0 0 var(--showreel-item-width);
  gap: 12px;
  width: var(--showreel-item-width);
  white-space: nowrap;
}

.showreel-layer[data-showreel-layer="poem"] .showreel-track {
  font-size: clamp(18px, 2.6vw, 30px);
  font-weight: 700;
}

.showreel-track em,
.showreel-mark {
  display: inline;
  flex: none;
  width: auto;
  color: var(--accent-strong);
  font-style: normal;
  text-shadow: 0 0 22px rgba(var(--accent-strong-rgb), 0.34);
}

@keyframes showreel-marquee {
  from {
    transform: translateX(var(--showreel-start));
  }

  to {
    transform: translateX(calc(var(--showreel-start) - var(--showreel-item-width) - var(--showreel-gap)));
  }
}

@keyframes heroSignatureGhost {
  0%,
  10% {
    opacity: 0;
  }

  18%,
  68% {
    opacity: 0.08;
  }

  88%,
  100% {
    opacity: 0;
  }
}

@keyframes heroSignatureWriteMask {
  0%,
  12% {
    stroke-dashoffset: 1;
  }

  46%,
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes heroSignatureRevealHold {
  0%,
  10% {
    opacity: 0;
    filter: drop-shadow(0 0 6px rgba(var(--accent-strong-rgb), 0.08));
  }

  20% {
    opacity: 0.18;
    filter: drop-shadow(0 0 10px rgba(var(--accent-strong-rgb), 0.14));
  }

  46%,
  68% {
    opacity: 0.3;
    filter: drop-shadow(0 0 12px rgba(var(--accent-strong-rgb), 0.18));
  }

  84% {
    opacity: 0.12;
    filter: drop-shadow(0 0 18px rgba(var(--accent-strong-rgb), 0.1));
  }

  100% {
    opacity: 0;
    filter: drop-shadow(0 0 18px rgba(var(--accent-strong-rgb), 0.06));
  }
}

@keyframes heroSignaturePenTrace {
  0%,
  12% {
    opacity: 0;
    stroke-dashoffset: 1;
  }

  16% {
    opacity: 0.32;
  }

  44% {
    opacity: 0.18;
    stroke-dashoffset: 0;
  }

  54%,
  100% {
    opacity: 0;
    stroke-dashoffset: 0;
  }
}

.music-backdrop {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.58);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.music-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.music-panel {
  width: min(680px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow-y: auto;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(10, 13, 18, 0.96);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

.music-backdrop.open .music-panel {
  transform: translateY(0);
}

.music-panel-header,
.music-form,
.music-controls,
.mini-player,
.mini-player-actions {
  display: flex;
  align-items: center;
}

.music-panel-header {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.music-form {
  align-items: flex-end;
  gap: 12px;
}

.music-input-row {
  display: grid;
  flex: 1;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.music-input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.music-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.16);
}

.music-platform-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.music-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
}

.music-message.error {
  color: #fca5a5;
}

.music-message.success {
  color: var(--accent-strong);
}

.music-player-card,
.music-history-block {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.music-player-card[hidden] {
  display: none;
}

.music-platform,
.music-empty {
  color: var(--muted);
}

.music-audio {
  width: 100%;
  margin: 12px 0;
}

.music-controls {
  flex-wrap: wrap;
  gap: 10px;
}

.music-volume {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
}

.music-volume input {
  width: 120px;
}

.music-history-block h3 {
  margin-bottom: 12px;
}

.music-history {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.music-history-button {
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.music-history-button:hover,
.music-history-button:focus-visible {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
}

.mini-player {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 25;
  width: min(380px, calc(100% - 40px));
  gap: 14px;
  justify-content: space-between;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(10, 13, 18, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(16px);
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.mini-player.open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.mini-player.minimized {
  width: auto;
}

.mini-player.minimized .mini-player-main,
.mini-player.minimized .mini-volume {
  display: none;
}

.mini-player-main {
  min-width: 0;
}

.mini-player-main p,
.mini-player-main span {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.mini-player-main strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-player-actions {
  flex-shrink: 0;
  gap: 6px;
}

.mini-player .icon-button {
  width: 34px;
  height: 34px;
  min-height: 34px;
  font-size: 16px;
}

.mini-volume {
  width: 86px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.68);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.project-modal {
  position: relative;
  width: min(640px, 100%);
  max-height: min(720px, calc(100vh - 48px));
  overflow-y: auto;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(10, 13, 18, 0.96);
  box-shadow: var(--shadow);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

.modal-backdrop.open .project-modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
}

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

.modal-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

  @media (max-width: 860px) {
  .site-header {
    display: flex;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 4;
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
  }

  .header-actions {
    margin-left: auto;
  }

  .header-actions-placeholder {
    display: none;
  }

  .nav-link {
    flex: 1 0 auto;
    text-align: center;
  }

  .hero,
  .about-grid,
  .skills-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .selected-work-heading {
    grid-template-columns: 1fr;
  }

  .selected-work-heading h2 {
    justify-self: start;
    text-align: left;
  }

  .selected-work-heading p:last-child {
    margin-left: 0;
  }

  .hero {
    gap: 38px;
    min-height: auto;
    padding-top: 44px;
  }

  .shader-hero {
    min-height: 82svh;
    padding: 72px 20px;
  }

  .shader-hero-title {
    font-size: clamp(54px, 16vw, 112px);
  }

  .section {
    padding: 66px 0;
  }
}

@media (max-width: 560px) {
  .site-header,
  .section,
  .showreel-strip,
  .site-footer {
    width: min(100% - 24px, var(--max-width));
  }

  .selected-work.section {
    width: 100%;
    margin: 0;
    padding-inline: 18px;
  }

  .selected-work ~ .section {
    width: 100%;
    margin: 0;
    padding-inline: 18px;
  }

  .brand {
    max-width: calc(100% - 220px);
  }

  .site-nav {
    gap: 2px;
  }

  .nav-link {
    padding: 7px 9px;
    font-size: 13px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-ambient-signature {
    top: clamp(76px, 14vh, 108px);
    left: 50%;
    width: min(calc(100vw - 24px), 960px);
    opacity: 0.34;
    transform: translate(-50%, -50%) rotate(-3deg);
  }

  .hero-preview {
    transform: none;
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions,
  .filter-bar,
  .contact-card {
    align-items: stretch;
    flex-direction: column;
  }

  .selected-work-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .selected-work-title {
    font-size: clamp(32px, 11vw, 54px);
    line-height: 0.92;
  }

  .selected-work-index {
    justify-self: start;
  }

  .selected-preview-card {
    display: none;
  }

  .selected-inline-preview {
    display: block;
  }

  .button,
  .filter-button {
    width: 100%;
  }

  .preview-body {
    gap: 10px;
    padding: 16px;
  }

  .preview-panel.wide {
    min-height: 120px;
  }

  .project-visual {
    min-height: 140px;
  }

  .settings-panel {
    top: 12px;
    right: 12px;
    width: calc(100% - 24px);
  }

  .theme-group {
    grid-template-columns: 1fr;
  }

  .showreel-strip {
    --showreel-gap: 22px;
    --showreel-item-width: 520px;
    --showreel-start: 72px;
    --showreel-height: 62px;
  }

  .showreel-track {
    font-size: 18px;
  }

  .showreel-layer[data-showreel-layer="poem"] .showreel-track {
    font-size: 17px;
  }

  .music-backdrop {
    padding: 12px;
  }

  .music-panel {
    max-height: calc(100vh - 24px);
    padding: 22px;
  }

  .music-form,
  .music-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .music-parse-button,
  .music-volume,
  .music-volume input {
    width: 100%;
  }

  .mini-player {
    right: 12px;
    bottom: 12px;
    left: 12px;
    width: auto;
  }

  .mini-player-actions {
    gap: 4px;
  }

  .mini-volume {
    width: 64px;
  }

  .project-modal {
    padding: 24px;
  }
}

@media (max-width: 880px) {
  .archive-grid,
  .project-detail-layout {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 24px, var(--max-width));
  }

  .about-page-shell {
    width: 100%;
  }

  .about-experience {
    padding: 82px 28px 28px;
    padding-inline: 16px;
  }

  .about-hero-panel,
  .about-system-grid,
  .about-stats-grid {
    width: min(100%, calc(100vw - 32px));
    grid-template-columns: 1fr;
  }

  .about-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-center-card {
    min-height: 520px;
    order: -1;
  }

  .split-showcase {
    height: 530vh;
  }



  .split-visual {
    width: 94vw;
    height: min(560px, 64vh);
  }

  .split-frame-shell {
    width: 92vw;
  }

  .split-copy {
    top: 13vh;
    white-space: normal;
  }

  .split-copy span,
  .split-copy strong {
    font-size: clamp(30px, 8vw, 54px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .showreel-track {
    animation: none;
    transform: none;
  }

  .hero-ambient-signature,
  .hero-signature-ghost,
  .hero-signature-reveal,
  .hero-signature-mask-path,
  .hero-signature-pen {
    animation: none;
  }

  .hero-ambient-signature {
    opacity: 0.42;
  }

  .hero-signature-ghost {
    opacity: 0.08;
  }

  .hero-signature-reveal {
    opacity: 0.28;
  }

  .hero-signature-mask-path,
  .hero-signature-pen {
    stroke-dashoffset: 0;
  }

  .hero-signature-pen {
    opacity: 0;
  }

  .selected-work-heading h2 {
    animation: none;
    background: none;
    color: var(--text);
    text-shadow: none;
  }
}
