:root {
  --bg: #030403;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(110, 231, 183, 0.5);
  --text: #ffffff;
  --muted: #a1a1aa;
  --muted-2: #71717a;
  --emerald: #6ee7b7;
  --emerald-soft: rgba(110, 231, 183, 0.1);
  --radius-xl: 28px;
  --radius-2xl: 32px;
  --shadow: 0 30px 120px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.site-shell { min-height: 100vh; overflow: hidden; background: var(--bg); }
.hero-section { position: relative; overflow: hidden; min-height: 100vh; }
.grid-backdrop {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(87, 227, 137, 0.16), transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(46, 148, 255, 0.15), transparent 24%),
    linear-gradient(to bottom, #050707 0%, #07100c 45%, #030403 100%);
}
.grid-backdrop::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 44px 44px;
}
.grid-backdrop::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -20%;
  width: 760px;
  height: 760px;
  transform: translateX(-50%);
  border-radius: 999px;
  border: 1px solid rgba(110,231,183,.1);
  background: rgba(110,231,183,.05);
  filter: blur(64px);
}

.navbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px;
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .28em; }
.brand-logo { width: 38px; height: 38px; object-fit: contain; border-radius: 12px; box-shadow: 0 0 28px rgba(110,231,183,.18); }
.nav-links { display: flex; align-items: center; gap: 32px; font-size: 11px; text-transform: uppercase; letter-spacing: .22em; color: var(--muted); }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--text); }
.nav-cta { border: 1px solid var(--line); border-radius: 999px; padding: 10px 16px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .18em; color: #e5e7eb; transition: .2s ease; }
.nav-cta:hover { border-color: rgba(110,231,183,.6); color: #d1fae5; }

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, 1480px);
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  align-items: center;
  gap: clamp(28px, 4vw, 72px);
  padding: clamp(52px, 7vh, 104px) clamp(20px, 3vw, 48px) clamp(80px, 10vh, 150px);
}
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px; border: 1px solid rgba(110,231,183,.22); background: rgba(110,231,183,.1); color: #d1fae5; border-radius: 999px; padding: 7px 12px; font-size: 11px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow span { width: 6px; height: 6px; border-radius: 999px; background: var(--emerald); box-shadow: 0 0 24px var(--emerald); }
.hero-copy h1 { margin: 0; max-width: 840px; font-size: clamp(48px, 7vw, 104px); line-height: .95; letter-spacing: -.065em; font-weight: 700; }
.hero-copy p { margin: 32px 0 0; max-width: 680px; color: #d4d4d8; font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; padding: 14px 24px; font-size: 14px; font-weight: 750; transition: .2s ease; }
.primary-button { background: white; color: black; }
.primary-button:hover { background: #d1fae5; transform: translateY(-1px); }
.primary-button span { transition: transform .2s ease; }
.primary-button:hover span { transform: translateX(4px); }
.secondary-button { border: 1px solid var(--line); color: white; }
.secondary-button:hover { border-color: rgba(110,231,183,.6); background: rgba(110,231,183,.1); }

.hero-image-card {
  position: relative;
  min-height: clamp(360px, 42vw, 620px);
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--line);
  background: rgba(0,0,0,.45);
  box-shadow: var(--shadow), 0 0 80px rgba(6, 78, 59, .35);
  backdrop-filter: blur(14px);
  transform-origin: center;
}
.hero-image-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  object-position: center;
  filter: saturate(.98) contrast(1.08) brightness(.92);
  transform: scale(1.015);
}
.hero-image-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3,4,3,.38), transparent 46%),
    linear-gradient(0deg, rgba(3,4,3,.82), transparent 42%);
  pointer-events: none;
}
.hero-image-overlay {
  position: absolute;
  left: clamp(16px, 2.2vw, 28px);
  right: clamp(16px, 2.2vw, 28px);
  bottom: clamp(16px, 2.2vw, 28px);
  z-index: 1;
}
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  border: 1px solid rgba(110,231,183,.35);
  background: rgba(0,0,0,.52);
  border-radius: 999px;
  padding: 8px 12px;
  color: #d1fae5;
  font-size: clamp(10px, .8vw, 12px);
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}
.live-indicator i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 20px var(--emerald);
}
.hero-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.hero-metrics div { border: 1px solid var(--line); background: rgba(0,0,0,.46); border-radius: 18px; padding: clamp(10px, 1.1vw, 14px); backdrop-filter: blur(12px); }
.hero-metrics strong { display: block; font-size: clamp(16px, 1.4vw, 21px); }
.hero-metrics span { display: block; margin-top: 4px; color: var(--muted); font-size: clamp(9px, .7vw, 10px); text-transform: uppercase; letter-spacing: .14em; line-height: 1.35; }

.platform-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(9,9,11,.8); padding: clamp(72px, 8vh, 112px) clamp(20px, 3vw, 48px); }
.section-grid, .architecture-inner { max-width: 1480px; margin: 0 auto; display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; }
.section-kicker { margin: 0; color: var(--emerald); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .28em; }
.section-heading h2, .section-title-row h2, .architecture-copy h2, .deployment-card h2 { margin: 16px 0 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.02; letter-spacing: -.045em; }
.module-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.module-card { border: 1px solid var(--line); border-radius: 28px; background: var(--panel); padding: 28px; transition: .25s ease; }
.module-card:hover { border-color: rgba(110,231,183,.35); background: rgba(110,231,183,.06); transform: translateY(-3px); }
.module-icon { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-bottom: 22px; border-radius: 16px; border: 1px solid rgba(110,231,183,.25); background: rgba(110,231,183,.1); color: var(--emerald); font-size: 20px; }
.module-card h3, .architecture-card h3, .outcome-card h3 { margin: 0; font-size: 20px; }
.module-card p, .architecture-card p, .outcome-card p { margin: 12px 0 0; color: var(--muted); line-height: 1.75; }

.usecase-section { max-width: 1480px; margin: 0 auto; padding: clamp(76px, 9vh, 128px) clamp(20px, 3vw, 48px); }
.section-title-row { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 52px; }
.section-title-row > p { max-width: 440px; color: var(--muted); line-height: 1.75; }
.usecase-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 16px; }
.scenario-tabs { display: flex; flex-direction: column; gap: 12px; }
.scenario-tab { width: 100%; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--muted); border-radius: 20px; padding: 18px 20px; font-size: 16px; font-weight: 750; text-align: left; cursor: pointer; transition: .2s ease; }
.scenario-tab:hover, .scenario-tab.active { color: white; border-color: rgba(110,231,183,.5); background: rgba(110,231,183,.1); }
.scenario-panel { border: 1px solid var(--line); border-radius: var(--radius-2xl); background: var(--panel); padding: 32px; }
.scenario-label { color: var(--emerald); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .24em; }
.scenario-panel h3 { margin: 24px 0 0; font-size: 36px; letter-spacing: -.03em; }
.scenario-panel p { max-width: 720px; margin: 16px 0 0; color: #d4d4d8; font-size: 18px; line-height: 1.75; }
.usecase-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 32px; }
.usecase-card-grid article { border: 1px solid var(--line); border-radius: 18px; background: rgba(0,0,0,.3); padding: 16px; }
.usecase-card-grid strong { display: block; font-size: 14px; }
.usecase-card-grid span { display: block; margin-top: 8px; color: var(--muted-2); line-height: 1.55; font-size: 14px; }

.architecture-section { position: relative; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.03); padding: clamp(76px, 9vh, 128px) clamp(20px, 3vw, 48px); }
.architecture-section::before { content: ""; position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(115deg, transparent 0%, rgba(52,211,153,.18) 48%, transparent 80%); }
.architecture-inner { position: relative; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
.architecture-copy p:last-child { margin-top: 24px; color: #d4d4d8; font-size: 18px; line-height: 1.75; }
.architecture-stack { display: grid; gap: 16px; }
.architecture-card { display: grid; grid-template-columns: 52px 1fr; column-gap: 20px; border: 1px solid var(--line); border-radius: 24px; background: rgba(0,0,0,.35); padding: 20px; }
.architecture-card div { grid-row: span 2; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 18px; background: rgba(110,231,183,.1); color: var(--emerald); font-size: 22px; }

.outcomes-section { max-width: 1480px; margin: 0 auto; padding: clamp(76px, 9vh, 128px) clamp(20px, 3vw, 48px); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.outcome-card { border: 1px solid var(--line); background: var(--panel); border-radius: 28px; padding: 28px; }
.outcome-card div { margin-bottom: 40px; color: var(--emerald); font-size: 30px; }
.deployment-section { border-top: 1px solid var(--line); padding: clamp(72px, 8vh, 112px) clamp(20px, 3vw, 48px); }
.deployment-card { max-width: 1480px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; border: 1px solid rgba(110,231,183,.22); border-radius: var(--radius-2xl); background: rgba(110,231,183,.06); padding: 48px; }
.deployment-card h2 { max-width: 820px; font-size: clamp(32px, 4vw, 56px); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .18s; }
.delay-3 { transition-delay: .26s; }
.delay-4 { transition-delay: .34s; }


@media (min-width: 1600px) {
  .hero-section { min-height: min(100vh, 980px); }
  .hero-copy h1 { font-size: clamp(72px, 5.8vw, 118px); }
  .hero-copy p { font-size: 20px; }
}
@media (max-width: 1180px) {
  .brand { letter-spacing: .18em; }
  .hero-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-content, .section-grid, .architecture-inner, .usecase-layout { grid-template-columns: 1fr; }
  .section-title-row { flex-direction: column; align-items: flex-start; }
  .outcomes-section { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deployment-card { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
  .navbar { padding: 20px; }
  .brand { letter-spacing: .18em; }
  .nav-cta { display: none; }
  .hero-content, .platform-section, .usecase-section, .architecture-section, .outcomes-section, .deployment-section { padding-left: 20px; padding-right: 20px; }
  .hero-content { padding-top: 48px; padding-bottom: 80px; }
  .hero-image-card { min-height: 420px; }
  .hero-metrics, .module-grid, .usecase-card-grid, .outcomes-section { grid-template-columns: 1fr; }
  .brand span { max-width: 180px; }
}

@media (max-width: 520px) {
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .brand { font-size: 12px; gap: 10px; }
  .brand-logo { width: 34px; height: 34px; }
  .hero-image-card { min-height: 360px; border-radius: 24px; }
  .live-indicator { letter-spacing: .12em; }
}


/* AIDC deployment copy */
.deployment-copy {
  max-width: 820px;
  margin-top: 18px;
  color: var(--muted-text);
  font-size: clamp(0.98rem, 1vw, 1.08rem);
  line-height: 1.75;
}

/* Hero moving digital overlay: lightweight CSS-based short-loop video effect */
.hero-video-card {
  isolation: isolate;
}

.ai-video-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
  z-index: 2;
  background:
    radial-gradient(circle at 72% 24%, rgba(34, 211, 238, 0.16), transparent 22%),
    radial-gradient(circle at 28% 62%, rgba(16, 185, 129, 0.14), transparent 26%),
    linear-gradient(115deg, transparent 0%, rgba(34, 211, 238, 0.06) 42%, transparent 72%);
  mix-blend-mode: screen;
}

.ai-video-overlay::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(90deg, transparent 0 96%, rgba(110, 231, 183, 0.25) 97% 100%),
    linear-gradient(0deg, transparent 0 96%, rgba(34, 211, 238, 0.18) 97% 100%);
  background-size: 72px 72px;
  opacity: 0.26;
  animation: digitalDrift 12s linear infinite;
}

.ai-video-overlay::after {
  content: "";
  position: absolute;
  width: 60%;
  height: 160%;
  left: -80%;
  top: -30%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, transparent, rgba(110, 231, 183, 0.22), transparent);
  filter: blur(14px);
  animation: energySweep 7s ease-in-out infinite;
}

.data-stream {
  position: absolute;
  height: 2px;
  width: 42%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(110, 231, 183, 0.9), rgba(34, 211, 238, 0.4), transparent);
  box-shadow: 0 0 18px rgba(110, 231, 183, 0.45);
  opacity: 0.72;
  transform-origin: left center;
}

.stream-1 { left: 2%; top: 58%; transform: rotate(-13deg); animation: streamFlow 4.8s linear infinite; }
.stream-2 { left: 18%; top: 32%; transform: rotate(8deg); animation: streamFlow 5.9s linear infinite reverse; }
.stream-3 { right: -6%; top: 44%; transform: rotate(-7deg); animation: streamFlow 4.2s linear infinite; }
.stream-4 { left: 44%; bottom: 22%; transform: rotate(12deg); animation: streamFlow 6.4s linear infinite reverse; }

.pulse-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(110, 231, 183, 0.95);
  box-shadow: 0 0 0 0 rgba(110, 231, 183, 0.65), 0 0 22px rgba(110, 231, 183, 0.85);
  animation: nodePulse 2.6s ease-out infinite;
}

.node-1 { left: 22%; top: 62%; animation-delay: 0s; }
.node-2 { left: 64%; top: 38%; animation-delay: 0.7s; }
.node-3 { right: 18%; bottom: 31%; animation-delay: 1.3s; }

.hud-panel {
  position: absolute;
  display: grid;
  gap: 6px;
  min-width: 112px;
  padding: 10px 12px;
  border: 1px solid rgba(110, 231, 183, 0.28);
  border-radius: 14px;
  background: rgba(0, 12, 16, 0.35);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
  opacity: 0.75;
  animation: hudFloat 5.6s ease-in-out infinite;
}

.hud-panel b {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(209, 250, 229, 0.92);
}

.hud-panel i {
  display: block;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(110, 231, 183, 0.9), rgba(34, 211, 238, 0.45));
  transform-origin: left;
  animation: barReadout 2.4s ease-in-out infinite;
}

.hud-panel i:nth-child(3) { width: 74%; animation-delay: 0.35s; }
.hud-panel i:nth-child(4) { width: 54%; animation-delay: 0.7s; }

.hud-panel-1 { right: 7%; top: 10%; }
.hud-panel-2 { left: 8%; bottom: 30%; animation-delay: 1.2s; }

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  top: -12%;
  height: 18%;
  background: linear-gradient(to bottom, transparent, rgba(34, 211, 238, 0.13), transparent);
  filter: blur(8px);
  animation: scanMove 8s linear infinite;
}

@keyframes digitalDrift {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(72px, 72px, 0); }
}

@keyframes energySweep {
  0% { left: -80%; opacity: 0; }
  18% { opacity: 0.7; }
  48% { opacity: 0.45; }
  100% { left: 130%; opacity: 0; }
}

@keyframes streamFlow {
  0% { clip-path: inset(0 100% 0 0); opacity: 0; }
  18% { opacity: 0.75; }
  50% { clip-path: inset(0 0 0 0); opacity: 0.86; }
  100% { clip-path: inset(0 0 0 100%); opacity: 0; }
}

@keyframes nodePulse {
  0% { transform: scale(0.75); box-shadow: 0 0 0 0 rgba(110, 231, 183, 0.65), 0 0 22px rgba(110, 231, 183, 0.85); }
  70% { transform: scale(1); box-shadow: 0 0 0 18px rgba(110, 231, 183, 0), 0 0 28px rgba(110, 231, 183, 0.45); }
  100% { transform: scale(0.75); box-shadow: 0 0 0 0 rgba(110, 231, 183, 0), 0 0 16px rgba(110, 231, 183, 0.35); }
}

@keyframes hudFloat {
  0%, 100% { transform: translate3d(0, 0, 0); opacity: 0.62; }
  50% { transform: translate3d(0, -8px, 0); opacity: 0.86; }
}

@keyframes barReadout {
  0%, 100% { transform: scaleX(0.28); opacity: 0.5; }
  50% { transform: scaleX(1); opacity: 0.95; }
}

@keyframes scanMove {
  0% { top: -18%; opacity: 0; }
  12% { opacity: 0.55; }
  55% { opacity: 0.25; }
  100% { top: 112%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ai-video-overlay::before,
  .ai-video-overlay::after,
  .data-stream,
  .pulse-node,
  .hud-panel,
  .hud-panel i,
  .scan-line {
    animation: none !important;
  }
}

@media (max-width: 720px) {
  .hud-panel {
    display: none;
  }

  .data-stream {
    width: 60%;
  }
}


/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(3, 4, 3, 0.92);
  padding: 28px clamp(20px, 4vw, 64px);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted-text);
  font-size: 0.86rem;
  line-height: 1.6;
}

.footer-inner span:first-child {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
}

@media (max-width: 760px) {
  .footer-inner {
    flex-direction: column;
  }
}


/* Language selector */
.language-selector {
  position: relative;
  z-index: 20;
}

.language-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.language-button:hover,
.language-button[aria-expanded="true"] {
  border-color: transparent;
  background: transparent;
  color: #ffffff;
}

.language-chevron {
  font-size: 0.72rem;
  line-height: 1;
  color: rgba(110, 231, 183, 0.72);
}

.language-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 148px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(3, 8, 7, 0.94);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
  display: none;
}

.language-menu.open {
  display: grid;
  gap: 4px;
}

.language-menu button {
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 650;
}

.language-menu button:hover {
  background: rgba(110, 231, 183, 0.12);
  color: #ffffff;
}

html[lang="zh-CN"] body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

html[lang="zh-CN"] .nav-links,
html[lang="zh-CN"] .section-kicker,
html[lang="zh-CN"] .eyebrow,
html[lang="zh-CN"] .language-button {
  letter-spacing: 0.08em;
}

@media (max-width: 980px) {
  .language-selector {
    order: 3;
  }
}


html[lang="zh-CN"] .brand {
  text-transform: none;
  letter-spacing: 0.12em;
}

html[lang="zh-CN"] #brand-name {
  font-weight: 800;
}