/* vanjay.cn 导航站样式：深色为星云夜空，浅色为珍珠晨光 */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --r-lg: 28px;
  --r-md: 20px;
  --maxw: 1240px;
  --a1: #7c5cff;
  --a2: #22d3ee;
  --a3: #f472b6;
}
:lang(zh-TW) {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang TC", "Heiti TC", "Microsoft JhengHei", "Noto Sans CJK TC", sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "PingFang TC", "Heiti TC", "Microsoft JhengHei", sans-serif;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07070d;
  --bg-2: #0c0c16;
  --fg: #f3f3f8;
  --fg-2: #c9c9d8;
  --muted: #9a9ab2;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --card: rgba(255, 255, 255, .035);
  --card-hi: rgba(255, 255, 255, .06);
  --glass: rgba(12, 12, 22, .62);
  --shadow: 0 30px 60px -30px rgba(0, 0, 0, .8);
  --chip: rgba(255, 255, 255, .06);
  --em1: #b9a6ff;
  --em2: #67e8f9;
  --core1: #c4b5fd;
  --core2: #7c5cff;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f6fb;
  --bg-2: #eeeef6;
  --fg: #0f0f1c;
  --fg-2: #2e2e44;
  --muted: #5b5b74;
  --line: rgba(20, 20, 60, .09);
  --line-2: rgba(20, 20, 60, .16);
  --card: rgba(255, 255, 255, .72);
  --card-hi: #fff;
  --glass: rgba(250, 250, 255, .7);
  --shadow: 0 30px 60px -32px rgba(40, 40, 110, .35);
  --chip: rgba(20, 20, 60, .05);
  --em1: #5b3df5;
  --em2: #0891b2;
  --core1: #ffffff;
  --core2: #8b7bff;
}

*, *::before, *::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
img, svg {
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
}
::selection {
  background: rgba(124, 92, 255, .35);
}
:focus-visible {
  outline: 2px solid var(--a2);
  outline-offset: 3px;
  border-radius: 8px;
}
.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--fg);
  color: var(--bg);
}
.skip:focus {
  top: 12px;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 14px;
}

/* ---------- 页头 ---------- */
.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 12px 20px;
  transition: transform .4s var(--ease);
}
.top-in {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 10px 8px 14px;
  border-radius: 18px;
  border: 1px solid transparent;
  transition: background-color .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.top.scrolled .top-in {
  background: var(--glass);
  border-color: var(--line);
  box-shadow: 0 10px 40px -20px rgba(0, 0, 0, .45);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 700 17px/1 var(--display);
  letter-spacing: -.01em;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--line-2);
}
.nav {
  display: flex;
  gap: 4px;
  margin-left: 18px;
}
.nav a {
  padding: 6px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 14.5px;
  transition: color .2s, background-color .2s;
}
.nav a:hover {
  color: var(--fg);
  background: var(--chip);
}
.tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.seg {
  position: relative;
  display: flex;
  padding: 3px;
  border-radius: 12px;
  background: var(--chip);
  border: 1px solid var(--line);
}
.seg button {
  position: relative;
  z-index: 1;
  min-width: 34px;
  height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color .2s, background-color .25s var(--ease), box-shadow .25s;
}
.seg button:hover {
  color: var(--fg);
}
.seg button[aria-pressed="true"] {
  color: var(--fg);
  background: var(--card-hi);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .18), inset 0 0 0 1px var(--line);
}
.seg-ico button {
  min-width: 30px;
  padding: 0;
  display: grid;
  place-items: center;
}
.seg svg, .gh svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.seg svg circle {
  fill: none;
}
.gh {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--chip);
  transition: color .2s, transform .3s var(--spring);
}
.gh svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: none;
}
.gh:hover {
  color: var(--fg);
  transform: translateY(-1px);
}

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding: 120px 24px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(60% 55% at 72% 42%, rgba(124, 92, 255, .32), transparent 70%),
    radial-gradient(45% 45% at 20% 75%, rgba(34, 211, 238, .16), transparent 70%),
    radial-gradient(40% 40% at 88% 85%, rgba(244, 114, 182, .16), transparent 70%),
    var(--bg);
}
html[data-theme="light"] .hero-bg {
  background:
    radial-gradient(60% 55% at 72% 42%, rgba(139, 123, 255, .28), transparent 70%),
    radial-gradient(45% 45% at 18% 78%, rgba(34, 211, 238, .2), transparent 70%),
    radial-gradient(40% 40% at 90% 88%, rgba(244, 114, 182, .2), transparent 70%),
    var(--bg);
}
.hero-gl {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
}
.hero-gl.on {
  opacity: 1;
}
.hero-grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent 70%, var(--bg));
}
.hero-in {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  align-items: center;
  gap: 24px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--chip);
  font: 600 12.5px/1.2 var(--mono);
  letter-spacing: .04em;
  color: var(--fg-2);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(52, 211, 153, .55);
  }
  70%, 100% {
    box-shadow: 0 0 0 10px rgba(52, 211, 153, 0);
  }
}
.hero h1 {
  margin: 0;
  font: 800 clamp(40px, 5.4vw, 74px)/1.06 var(--display);
  letter-spacing: -.028em;
  text-wrap: balance;
}
.hero h1:lang(zh-CN), .hero h1:lang(zh-TW) {
  letter-spacing: -.01em;
  line-height: 1.16;
  font-size: clamp(34px, 4.3vw, 62px);
}
.hero h1 .ln {
  display: block;
  white-space: nowrap;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--em1), var(--em2) 55%, var(--a3));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sheen 8s ease-in-out infinite alternate;
}
@keyframes sheen {
  to {
    background-position: 100% 0;
  }
}
.lead {
  max-width: 34em;
  margin: 24px 0 0;
  font-size: clamp(16px, 1.35vw, 18.5px);
  color: var(--fg-2);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 650;
  font-size: 15.5px;
  transition: transform .35s var(--spring), box-shadow .3s, background-color .3s;
  will-change: transform;
}
.btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn svg.fill {
  fill: currentColor;
  stroke: none;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #7c5cff, #5b6cff 50%, #22b8e6);
  box-shadow: 0 12px 30px -10px rgba(124, 92, 255, .7), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -12px rgba(124, 92, 255, .85), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-ghost {
  border: 1px solid var(--line-2);
  background: var(--chip);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  background: var(--card-hi);
}
.hint {
  margin: 26px 0 0;
  font: 500 12.5px/1.4 var(--mono);
  color: var(--muted);
  letter-spacing: .02em;
}
.hint::before {
  content: "↻ ";
  color: var(--a2);
}

/* 星轨 */
.orbit {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1 / .78;
  margin-left: auto;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.orbit.dragging {
  cursor: grabbing;
}
.rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.rings ellipse {
  fill: none;
  stroke: var(--line-2);
  stroke-width: 1;
}
.rings ellipse.dash {
  stroke-dasharray: 2 7;
  stroke: var(--muted);
  opacity: .35;
}
.core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  z-index: 200;
  pointer-events: none;
}
.core::before {
  content: "";
  position: absolute;
  inset: -70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 92, 255, .45), rgba(34, 211, 238, .12) 45%, transparent 70%);
  animation: breathe 6s ease-in-out infinite;
}
.core span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, var(--core1), transparent 42%),
    radial-gradient(circle at 60% 70%, rgba(34, 211, 238, .9), transparent 55%),
    radial-gradient(circle, var(--core2), #2a1b7a 75%);
  box-shadow: 0 0 60px 6px rgba(124, 92, 255, .55), inset -8px -10px 30px rgba(10, 0, 60, .45);
}
html[data-theme="light"] .core span {
  box-shadow: 0 0 60px 4px rgba(124, 92, 255, .35), inset -8px -10px 30px rgba(40, 20, 120, .3);
}
@keyframes breathe {
  50% {
    transform: scale(1.12);
    opacity: .75;
  }
}
.orb {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--s, 60px);
  height: var(--s, 60px);
  margin: calc(var(--s, 60px) / -2) 0 0 calc(var(--s, 60px) / -2);
  will-change: transform, opacity;
  -webkit-tap-highlight-color: transparent;
}
.orb .ic {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform .45s var(--spring), filter .3s;
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, .35));
}
html[data-theme="light"] .orb .ic {
  filter: drop-shadow(0 10px 14px rgba(40, 40, 110, .22));
}
.orb img {
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-user-drag: none;
}
.orb:hover .ic, .orb:focus-visible .ic, .orb.hot .ic {
  transform: scale(1.38);
}
.orbit-tip {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 400;
  padding: 7px 12px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--line-2);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 8px) scale(.94);
  transition: opacity .2s, transform .25s var(--ease);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
.orbit-tip.on {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}
.orbit-tip small {
  display: block;
  font: 500 11px/1.3 var(--mono);
  color: var(--muted);
}

/* 数字统计 */
.stats {
  width: 100%;
  max-width: var(--maxw);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.stats > div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  padding: 18px 22px;
  border-left: 1px solid var(--line);
}
.stats > div:first-child {
  border-left: 0;
}
.stats dt {
  font-size: 13px;
  color: var(--muted);
}
.stats dd {
  margin: 0;
  font: 750 clamp(26px, 2.6vw, 34px)/1.15 var(--display);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 通用区块 ---------- */
.sec {
  position: relative;
  max-width: calc(var(--maxw) + 48px);
  margin: 0 auto;
  padding: 110px 24px 20px;
}
.sec-head {
  margin-bottom: 36px;
}
.kicker {
  margin: 0 0 10px;
  font: 600 12.5px/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--a2);
}
html[data-theme="light"] .kicker {
  color: #0e7490;
}
.sec h2 {
  margin: 0;
  font: 780 clamp(30px, 3.8vw, 48px)/1.12 var(--display);
  letter-spacing: -.03em;
}
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- 精选轮播 ---------- */
.carousel {
  position: relative;
}
.slides {
  position: relative;
  min-height: 540px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  isolation: isolate;
  touch-action: pan-y;
}
.slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr);
  align-items: center;
  gap: 24px;
  padding: 48px 0 48px 52px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .7s var(--ease), visibility 0s linear .7s;
}
.slide.on {
  opacity: 1;
  visibility: visible;
  transition: opacity .7s var(--ease), visibility 0s;
}
.slide::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -20% -10% -20% 30%;
  background:
    radial-gradient(50% 50% at 60% 40%, var(--g1), transparent 70%),
    radial-gradient(40% 40% at 90% 90%, var(--g2), transparent 70%);
  opacity: .32;
  transform: scale(.9);
  transition: transform 1.4s var(--ease);
}
html[data-theme="light"] .slide::before {
  opacity: .26;
}
.slide.on::before {
  transform: none;
}
.s-copy > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .7s var(--ease);
}
.slide.on .s-copy > * {
  opacity: 1;
  transform: none;
}
.slide.on .s-copy > :nth-child(2) {
  transition-delay: .06s;
}
.slide.on .s-copy > :nth-child(3) {
  transition-delay: .12s;
}
.slide.on .s-copy > :nth-child(4) {
  transition-delay: .18s;
}
.slide.on .s-copy > :nth-child(5) {
  transition-delay: .24s;
}
.s-id {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.s-id img {
  width: 60px;
  height: 60px;
}
.s-id b {
  display: block;
  font: 750 22px/1.2 var(--display);
}
.s-id span {
  font: 600 12px/1.4 var(--mono);
  color: var(--muted);
  letter-spacing: .04em;
}
.s-copy h3 {
  margin: 0 0 18px;
  font: 780 clamp(26px, 2.8vw, 38px)/1.16 var(--display);
  letter-spacing: -.025em;
  text-wrap: balance;
}
.s-copy ul {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
  color: var(--fg-2);
}
.s-copy li {
  position: relative;
  padding-left: 26px;
}
.s-copy li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .5em;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--g1), var(--g2));
  box-shadow: 0 0 12px var(--g1);
}
.s-vis {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  perspective: 1400px;
}
.frame {
  position: relative;
  width: 112%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .6), 0 0 0 6px rgba(255, 255, 255, .03);
  transform: rotateY(-14deg) rotateX(4deg) translateX(30px) scale(.94);
  transform-origin: left center;
  transition: transform 1.1s var(--ease);
  background: #111;
}
html[data-theme="light"] .frame {
  box-shadow: 0 40px 80px -36px rgba(40, 40, 110, .45), 0 0 0 6px rgba(255, 255, 255, .6);
}
.slide.on .frame {
  transform: rotateY(-9deg) rotateX(3deg) translateX(0) scale(1);
}
.frame img {
  width: 100%;
  height: auto;
}
.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, .14), transparent 40%);
  pointer-events: none;
}
/* 声闪：动态频谱 */
.spectrum {
  position: relative;
  width: 100%;
  height: 78%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.spectrum .bars {
  position: absolute;
  inset: 12% 6% 12% 0;
  display: flex;
  align-items: center;
  gap: 1.1%;
}
.spectrum i {
  flex: 1;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(to top, #7c4dff, #00e5ff 50%, #7c4dff);
  transform: scaleY(var(--h, .3));
  opacity: .85;
  animation: eq var(--d, 1.2s) ease-in-out infinite alternate;
  animation-play-state: paused;
}
.slide.on .spectrum i {
  animation-play-state: running;
}
@keyframes eq {
  0% {
    transform: scaleY(var(--h0, .12));
  }
  100% {
    transform: scaleY(var(--h, .9));
  }
}
.spectrum img {
  position: relative;
  z-index: 1;
  width: 32%;
  max-width: 180px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, .5));
  animation: bob 4s ease-in-out infinite;
}
@keyframes bob {
  50% {
    transform: translateY(-10px) rotate(-2deg);
  }
}
.car-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 22px;
}
.car-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--chip);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .3s var(--spring), background-color .2s;
}
.car-btn:hover {
  transform: scale(1.08);
  background: var(--card-hi);
}
.car-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.dots {
  display: flex;
  gap: 10px;
}
.dot {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px 0 5px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: color .2s, border-color .2s, background-color .2s;
}
.dot img {
  width: 24px;
  height: 24px;
}
.dot[aria-selected="true"] {
  color: var(--fg);
  border-color: var(--line-2);
  background: var(--chip);
}
.dot .bar {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  transform: scaleX(0);
  transform-origin: left;
}
.dot[aria-selected="true"] .bar {
  animation: prog var(--dur, 8s) linear forwards;
}
.carousel.paused .dot .bar {
  animation-play-state: paused;
}
@keyframes prog {
  to {
    transform: scaleX(1);
  }
}

/* ---------- 产品网格 ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--fg-2);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s, transform .3s var(--spring);
}
.chip:hover {
  transform: translateY(-1px);
  border-color: var(--line-2);
}
.chip small {
  min-width: 22px;
  padding: 1px 6px;
  border-radius: 7px;
  background: var(--chip);
  font: 600 11.5px/1.5 var(--mono);
  color: var(--muted);
  text-align: center;
}
.chip[aria-pressed="true"] {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, #7c5cff, #4f7bff);
  box-shadow: 0 10px 24px -12px rgba(124, 92, 255, .9);
}
.chip[aria-pressed="true"] small {
  background: rgba(255, 255, 255, .2);
  color: #fff;
}
.grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  position: relative;
  display: block;
  perspective: 900px;
  -webkit-tap-highlight-color: transparent;
}
.card[hidden] {
  display: none;
}
.card-in {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .5s var(--ease), border-color .3s, box-shadow .4s, background-color .3s;
  will-change: transform;
}
html[data-theme="light"] .card-in {
  box-shadow: 0 1px 2px rgba(20, 20, 60, .04), 0 12px 32px -22px rgba(40, 40, 110, .3);
}
.card-in::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(70% 60% at 0% 0%, var(--c), transparent 70%);
  opacity: .14;
  transition: opacity .4s;
  pointer-events: none;
}
.card-in::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .16), transparent 45%);
  opacity: 0;
  transition: opacity .35s;
  pointer-events: none;
}
html[data-theme="light"] .card-in::after {
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .75), transparent 45%);
}
.card:hover .card-in, .card:focus-visible .card-in {
  border-color: var(--line-2);
  box-shadow: var(--shadow);
}
.card:hover .card-in::before {
  opacity: .28;
}
.card:hover .card-in::after {
  opacity: 1;
}
.card-in > * {
  position: relative;
  z-index: 1;
}
.c-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  transform: translateZ(30px);
}
.c-head img {
  width: 58px;
  height: 58px;
  flex: none;
  transition: transform .5s var(--spring);
}
.card:hover .c-head img {
  transform: scale(1.08) rotate(-4deg);
}
.c-head h3 {
  margin: 0 0 6px;
  font: 720 18.5px/1.25 var(--display);
  letter-spacing: -.01em;
}
.plats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.plats span {
  padding: 1px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font: 600 11px/1.6 var(--mono);
  color: var(--muted);
}
.c-desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fg-2);
  transform: translateZ(18px);
}
.c-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  transform: translateZ(24px);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 650;
}
.tag-oss {
  color: #10b981;
  background: rgba(16, 185, 129, .12);
}
.tag-store {
  color: #3b82f6;
  background: rgba(59, 130, 246, .13);
}
.tag-game {
  color: #f59e0b;
  background: rgba(245, 158, 11, .13);
}
.tag-star {
  color: var(--fg-2);
  background: var(--chip);
  font-family: var(--mono);
}
html[data-theme="light"] .tag-oss {
  color: #047857;
}
html[data-theme="light"] .tag-store {
  color: #1d4ed8;
}
html[data-theme="light"] .tag-game {
  color: #b45309;
}
.more {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 650;
  color: var(--fg);
}
.more svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .35s var(--spring);
}
.card:hover .more svg {
  transform: translate(3px, -3px);
}
.nojs {
  columns: 3;
}

/* ---------- 关于 ---------- */
.about {
  padding-bottom: 100px;
}
.about-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 18px 48px;
  padding: 44px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}
.about-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 120%;
  background: radial-gradient(closest-side, rgba(124, 92, 255, .22), transparent);
  pointer-events: none;
}
.about-me {
  display: flex;
  align-items: center;
  gap: 20px;
}
.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px rgba(124, 92, 255, .5), 0 20px 40px -12px rgba(124, 92, 255, .55);
}
.about h2 {
  font-size: 34px;
}
.about-me p {
  margin: 4px 0 0;
}
.about-text {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--fg-2);
}
.plat-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.plat-cloud li {
  padding: 5px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--chip);
  font: 600 12.5px/1.4 var(--mono);
  color: var(--fg-2);
}
.contact {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 26px;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}
.contact p {
  margin: 0;
}

/* ---------- 页脚 ---------- */
.foot {
  border-top: 1px solid var(--line);
  padding: 30px 24px 40px;
  font-size: 14px;
  color: var(--muted);
}
.foot-in {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
}
.foot p {
  margin: 0;
}
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.foot a {
  transition: color .2s;
}
.foot a:hover {
  color: var(--fg);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .slide {
    grid-template-columns: 1fr;
    align-content: start;
    padding: 36px 32px 0;
  }
  .slides {
    min-height: 760px;
  }
  .s-vis {
    height: auto;
  }
  .frame {
    width: 100%;
    transform: translateY(30px) scale(.96);
  }
  .slide.on .frame {
    transform: none;
  }
  .spectrum {
    height: 300px;
  }
}
@media (max-width: 900px) {
  .nav {
    display: none;
  }
  .hero {
    padding-top: 100px;
  }
  .hero-in {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .orbit {
    max-width: 460px;
    aspect-ratio: 1 / .7;
    margin: 18px auto 0;
  }
  .stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats > div:nth-child(4) {
    border-left: 0;
  }
  .stats > div:nth-child(n+4) {
    border-top: 1px solid var(--line);
  }
  .about-card {
    grid-template-columns: 1fr;
    padding: 30px;
  }
  .about-text {
    grid-column: auto;
    grid-row: auto;
  }
}
@media (max-width: 640px) {
  .top {
    padding: 8px 10px;
  }
  .top-in {
    gap: 8px;
    padding: 6px 6px 6px 10px;
  }
  .brand span {
    display: none;
  }
  .seg button {
    min-width: 30px;
    padding: 0 6px;
  }
  .seg-ico button {
    min-width: 28px;
  }
  .gh {
    width: 34px;
    height: 34px;
  }
  .hero {
    padding: 92px 18px 28px;
    min-height: 0;
  }
  .hint {
    display: none;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 28px;
  }
  .stats > div {
    padding: 14px 16px;
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }
  .stats > div:nth-child(odd) {
    border-left: 0;
  }
  .stats > div:first-child {
    grid-column: 1 / -1;
    border-top: 0;
  }
  .stats > div:nth-child(2), .stats > div:nth-child(4) {
    border-left: 0;
  }
  .stats > div:nth-child(3), .stats > div:nth-child(5) {
    border-left: 1px solid var(--line);
  }
  .sec {
    padding: 80px 18px 10px;
  }
  .grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .slides {
    min-height: 640px;
  }
  .slide {
    padding: 28px 22px 0;
  }
  .s-copy h3 {
    font-size: 25px;
  }
  .spectrum {
    height: 220px;
  }
  .dot span {
    display: none;
  }
  .dot {
    padding: 0 5px;
  }
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 0 -18px 22px;
    padding: 2px 18px 8px;
    scrollbar-width: none;
  }
  .filters::-webkit-scrollbar {
    display: none;
  }
  .chip {
    flex: none;
  }
  .about-card {
    padding: 24px;
  }
  .nojs {
    columns: 1;
  }
}

/* 减少动态效果：保留布局，去掉位移与循环动画 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .spectrum i {
    transform: scaleY(var(--h, .5));
  }
}