@font-face{font-family:"HYWenHei-85W";src:url("assets/fonts/HYWenHei-85W.otf") format("opentype");font-weight:400 900;font-style:normal;font-display:swap;}
:root {
  --bg: #070910;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --text: #f8fbff;
  --muted: #a9b8c7;
  --line: rgba(255, 255, 255, 0.16);
  --cyan: #68e8ff;
  --green: #7dffcb;
  --rose: #ff7aa8;
  --amber: #ffd66b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: "\6C49\4EEA\6587\9ED1 85W", "\6C49\4EEA\6587\9ED1", "HYWenHei-85W", "HYWenHei", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(104, 232, 255, 0.18), transparent 26rem),
    radial-gradient(circle at 82% 12%, rgba(255, 122, 168, 0.14), transparent 22rem),
    radial-gradient(circle at 70% 78%, rgba(125, 255, 203, 0.12), transparent 28rem),
    linear-gradient(135deg, #070910 0%, #101523 48%, #080b12 100%);
  overflow-x: hidden;
  animation: pageFadeIn 0.45s ease both;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 78%);
}

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

button {
  font: inherit;
}

#constellation {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cursor-glow {
  position: fixed;
  z-index: 1;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(104, 232, 255, 0.16), rgba(125, 255, 203, 0.07) 38%, transparent 70%);
  filter: blur(8px);
  opacity: 0.88;
  transform: translate(-50%, -50%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px clamp(18px, 4vw, 56px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  height: 72px;
  margin: 0 auto;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 9, 16, 0.72);
  box-shadow: 0 14px 50px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  place-items: center;
  background: #fff;
  box-shadow: 0 0 28px rgba(104, 232, 255, 0.22);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-text strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand-text small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-links a {
  position: relative;
  padding: 10px 14px;
  border-radius: 8px;
  color: #dbe7f1;
  font-size: 14px;
  transition: color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.nav-links a::after {
  position: absolute;
  right: 14px;
  bottom: 6px;
  left: 14px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.24s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  min-height: 38px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 18px rgba(104, 232, 255, 0.05);
}

.music-toggle {
  position: relative;
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #dbe7f1;
  background:
    radial-gradient(circle at 50% 28%, rgba(104, 232, 255, 0.24), transparent 56%),
    rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 18px rgba(104, 232, 255, 0.05);
  cursor: pointer;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.music-toggle::after {
  position: absolute;
  inset: -5px;
  content: "";
  border-radius: 11px;
  opacity: 0;
  background: linear-gradient(135deg, rgba(104, 232, 255, 0.22), rgba(126, 255, 184, 0.12));
  filter: blur(10px);
  transition: opacity 0.24s ease;
  z-index: -1;
}

.music-icon {
  position: relative;
  width: 16px;
  height: 18px;
}

.music-icon::before {
  position: absolute;
  right: 2px;
  bottom: 1px;
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 50%;
  background: currentColor;
  box-shadow: -8px 3px 0 -1px currentColor;
}

.music-icon::after {
  position: absolute;
  top: 1px;
  right: 2px;
  width: 9px;
  height: 13px;
  content: "";
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: skewY(-10deg);
}

.music-toggle:hover,
.music-toggle.playing {
  color: #061017;
  border-color: rgba(126, 255, 184, 0.72);
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 8px 22px rgba(104, 232, 255, 0.18);
  transform: translateY(-1px);
}

.music-toggle.playing::after {
  opacity: 1;
  animation: musicPulse 1.8s ease-in-out infinite;
}

.music-toggle.playing .music-icon {
  animation: musicBounce 0.9s ease-in-out infinite;
}

.music-toggle.blocked {
  border-color: rgba(255, 255, 255, 0.26);
}

.language-switch button {
  min-width: 34px;
  height: 30px;
  border: 0;
  border-radius: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.language-switch button:hover,
.language-switch button.active {
  color: #061017;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 8px 22px rgba(104, 232, 255, 0.18);
}

.language-switch button:hover {
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: currentColor;
}

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

.section-panel,
.content-section,
.metrics {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 110px);
  align-items: center;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: clamp(32px, 6vw, 80px);
  padding: 48px 0 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(64px, 12vw, 148px);
  line-height: 0.84;
  letter-spacing: 0;
  text-shadow: 0 0 44px rgba(104, 232, 255, 0.2);
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(32px, 5.2vw, 68px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  font-size: 24px;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 650px;
  color: #d9e7f0;
  font-size: clamp(17px, 2.2vw, 23px);
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action,
.launch-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 700;
  transition:
    transform 0.22s cubic-bezier(.2,.8,.2,1),
    box-shadow 0.22s ease,
    background 0.22s ease,
    border-color 0.22s ease,
    filter 0.22s ease;
}

.primary-action {
  color: #031017;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 18px 48px rgba(104, 232, 255, 0.22);
}

.secondary-action {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
}

.primary-action:hover,
.secondary-action:hover,
.launch-link:hover {
  transform: translateY(-3px);
  filter: saturate(1.06);
}

.primary-action:active,
.secondary-action:active,
.launch-link:active,
.work-tab:active,
.timeline-item:active,
.music-toggle:active,
.language-switch button:active {
  transform: translateY(0) scale(0.98);
}

.hero-orbit {
  display: grid;
  min-height: 560px;
  place-items: center;
}

.orbit-stage {
  position: relative;
  display: grid;
  width: min(520px, 86vw);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  place-items: center;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 35%),
    radial-gradient(circle at 68% 34%, rgba(255, 214, 107, 0.16), transparent 25%);
  box-shadow: inset 0 0 80px rgba(255, 255, 255, 0.07), var(--shadow);
  transform-style: preserve-3d;
  animation: floatStage 7s ease-in-out infinite;
}

.hero-logo {
  position: relative;
  z-index: 3;
  width: 38%;
  border-radius: 8px;
  box-shadow: 0 0 56px rgba(104, 232, 255, 0.28);
}

.signal-ring {
  position: absolute;
  inset: 13%;
  border: 1px solid rgba(104, 232, 255, 0.28);
  border-radius: 50%;
}

.ring-one {
  animation: spin 20s linear infinite;
}

.ring-two {
  inset: 24%;
  border-color: rgba(125, 255, 203, 0.28);
  animation: spin 15s linear reverse infinite;
}

.ring-three {
  inset: 3%;
  border-style: dashed;
  border-color: rgba(255, 122, 168, 0.22);
  animation: spin 32s linear infinite;
}

.signal-ring::before,
.signal-ring::after {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 24px currentColor;
}

.signal-ring::before {
  top: -5px;
  left: 45%;
}

.signal-ring::after {
  right: 12%;
  bottom: 8%;
  background: var(--green);
}

.node {
  position: absolute;
  z-index: 4;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #eaf9ff;
  font-size: 13px;
  font-weight: 700;
  background: rgba(7, 9, 16, 0.72);
  backdrop-filter: blur(12px);
}

.node-a {
  top: 17%;
  left: 12%;
}

.node-b {
  top: 20%;
  right: 9%;
}

.node-c {
  right: 12%;
  bottom: 18%;
}

.node-d {
  bottom: 14%;
  left: 16%;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: -28px;
  margin-bottom: 110px;
}

.metrics article,
.about-card,
.work-console,
.contact-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.metrics article {
  min-height: 116px;
  padding: 24px;
}

.metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 44px);
}

.metrics span {
  color: var(--muted);
}

.content-section {
  padding: 92px 0;
  scroll-margin-top: 112px;
}

.section-heading {
  margin-bottom: 38px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.about-card {
  position: relative;
  min-height: 290px;
  padding: 28px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.about-card::before {
  position: absolute;
  top: -1px;
  left: 28px;
  width: 80px;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.about-card:hover {
  border-color: rgba(104, 232, 255, 0.44);
  background: var(--panel-strong);
  transform: translateY(-8px);
}

.card-index {
  display: block;
  margin-bottom: 42px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
  font-weight: 800;
}

.about-card p,
.work-preview p {
  color: #c7d5df;
  font-size: 15px;
  line-height: 1.86;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.timeline-line {
  position: absolute;
  top: 30px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(104, 232, 255, 0.62), transparent);
}

.timeline-item {
  position: relative;
  display: grid;
  gap: 8px;
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.timeline-item span {
  width: max-content;
  padding: 4px 9px;
  border-radius: 999px;
  color: #071018;
  font-size: 12px;
  font-weight: 800;
  background: var(--green);
}

.timeline-item.active,
.timeline-item:hover {
  border-color: rgba(125, 255, 203, 0.5);
  background: rgba(125, 255, 203, 0.09);
  transform: translateY(-5px);
}

.timeline-story {
  min-height: 72px;
  margin: 18px 0 0;
  padding: 22px 24px;
  border-left: 2px solid var(--green);
  color: #e8f5ff;
  line-height: 1.8;
  background: linear-gradient(90deg, rgba(125, 255, 203, 0.1), transparent);
}

.work-console {
  overflow: hidden;
}

.console-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 54px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
}

.console-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.console-top span:nth-child(1) {
  background: var(--rose);
}

.console-top span:nth-child(2) {
  background: var(--amber);
}

.console-top span:nth-child(3) {
  background: var(--green);
}

.console-top p {
  margin: 0 0 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.work-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
}

.work-list {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.work-tab {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition:
    transform 0.22s cubic-bezier(.2,.8,.2,1),
    border-color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
}

.work-tab span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.work-tab small {
  color: var(--muted);
}

.work-tab.active {
  border-color: rgba(104, 232, 255, 0.45);
  background: linear-gradient(90deg, rgba(104, 232, 255, 0.15), rgba(255, 255, 255, 0.05));
  box-shadow: inset 0 0 24px rgba(104, 232, 255, 0.08);
}

.work-tab:hover {
  border-color: rgba(125, 255, 203, 0.34);
  background: rgba(255, 255, 255, 0.09);
  transform: translateX(4px);
}

.work-preview {
  position: relative;
  min-height: 360px;
  padding: clamp(28px, 5vw, 54px);
  overflow: hidden;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.work-preview.is-switching {
  opacity: 0;
  transform: translateY(12px);
}

.work-preview.is-ready {
  opacity: 1;
}

.work-preview::after {
  position: absolute;
  right: -120px;
  bottom: -150px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(104, 232, 255, 0.2);
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(104, 232, 255, 0.14), transparent 64%);
}

.preview-kicker {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.launch-link {
  position: relative;
  z-index: 2;
  margin-top: 14px;
  color: #041018;
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.launch-link.disabled {
  color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
  cursor: default;
}

.launch-link.disabled:hover {
  transform: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.contact-item {
  display: grid;
  gap: 16px;
  min-height: 150px;
  padding: 24px;
  transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.contact-item span {
  color: var(--muted);
}

.contact-item strong {
  overflow-wrap: anywhere;
  font-size: clamp(18px, 2vw, 24px);
}

.contact-item:hover {
  border-color: rgba(255, 214, 107, 0.48);
  background: rgba(255, 214, 107, 0.1);
  transform: translateY(-6px);
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  display: flex;
  justify-content: space-between;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 38px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--green);
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@keyframes floatStage {
  0%,
  100% {
    transform: translateY(0) rotateX(0deg);
  }

  50% {
    transform: translateY(-18px) rotateX(4deg);
  }
}

@keyframes musicPulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.94);
  }

  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes musicBounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-2px);
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-actions {
    position: absolute;
    top: 82px;
    right: clamp(18px, 4vw, 56px);
    left: clamp(18px, 4vw, 56px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    max-height: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    background: rgba(7, 9, 16, 0.94);
    backdrop-filter: blur(18px);
    transform: translateY(-8px);
    transition:
      max-height 0.28s ease,
      opacity 0.22s ease,
      transform 0.22s ease;
  }

  .nav-actions.open {
    max-height: 360px;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .language-switch {
    justify-content: space-between;
    width: 100%;
  }

  .music-toggle {
    width: 100%;
  }

  .language-switch button {
    flex: 1;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

  .hero-orbit {
    min-height: 420px;
  }

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

  .work-layout,
  .timeline {
    grid-template-columns: 1fr;
  }

  .work-list {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .timeline-line {
    display: none;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 12px;
  }

  .nav-shell {
    height: 64px;
  }

  .brand-text small {
    display: none;
  }

  .section-panel,
  .content-section,
  .metrics,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

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

  .hero-orbit {
    min-height: 340px;
  }

  .node {
    font-size: 11px;
  }

  .metrics,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .content-section {
    padding: 68px 0;
  }

  .work-tab {
    grid-template-columns: auto 1fr;
  }

  .work-tab small {
    grid-column: 2;
  }

  .site-footer {
    display: grid;
    gap: 12px;
  }
}

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

  .cursor-glow,
  #constellation {
    display: none;
  }
}