:root {
  --hyty-bg: #0A0F1E;
  --hyty-bg-panel: #141C2E;
  --hyty-bg-raise: #1E2A40;
  --hyty-blue: #00A6FF;
  --hyty-purple: #8B5CF6;
  --hyty-lime: #B6FF00;
  --hyty-white: #F0F5FF;
  --hyty-mist: #9FB0D9;
  --hyty-red: #FF5C7A;
  --hyty-border: rgba(255, 255, 255, 0.08);
  --hyty-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --hyty-font-body: "Noto Sans SC Variable", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --hyty-font-display: "DIN Condensed", "Arial Narrow", var(--hyty-font-body);
  --hyty-font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --hyty-radius: 18px;
  --hyty-radius-soft: 12px;
  --hyty-container: 1280px;
  --hyty-header-h: 72px;
  --hyty-progress: 0%;
  --hyty-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --hyty-space-xl: clamp(5rem, 10vw, 9rem);
  --hyty-space-lg: clamp(3.5rem, 7vw, 6rem);
  --hyty-space-md: clamp(2.2rem, 4vw, 3.5rem);
  --hyty-space-sm: 1.5rem;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--hyty-bg);
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--hyty-bg);
  color: var(--hyty-white);
  font-family: var(--hyty-font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  overflow-x: hidden;
}
html, body {
  scroll-padding-top: calc(var(--hyty-header-h) + 12px);
}
h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}
ul, ol {
  padding: 0;
  list-style: none;
}
a {
  color: var(--hyty-blue);
  text-decoration: none;
  transition: color 180ms var(--hyty-ease), border-color 180ms var(--hyty-ease);
}
a:hover {
  color: var(--hyty-lime);
}
img, svg, canvas {
  display: block;
  max-width: 100%;
}
button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
:focus-visible {
  outline: 3px solid var(--hyty-lime);
  outline-offset: 4px;
  border-radius: 4px;
}
::selection {
  background: var(--hyty-blue);
  color: #000E1A;
}
.hyty-container {
  width: min(100% - 2.5rem, var(--hyty-container));
  margin-inline: auto;
}
.hyty-skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 10000;
  background: var(--hyty-lime);
  color: #000E1A;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 12px 12px;
  box-shadow: var(--hyty-shadow);
  transition: top 240ms var(--hyty-ease);
}
.hyty-skip-link:focus {
  top: 0;
  color: #000E1A;
}
.hyty-topbar {
  background: var(--hyty-bg-panel);
  border-bottom: 1px solid var(--hyty-border);
  font-size: 0.875rem;
  color: var(--hyty-mist);
  position: relative;
  z-index: 60;
}
.hyty-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 40px;
  padding-block: 0.35rem;
}
.hyty-brand-mark {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--hyty-white);
  white-space: nowrap;
}
.hyty-topbar-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--hyty-font-mono);
  font-size: 0.8rem;
  color: var(--hyty-mist);
  white-space: nowrap;
}
.hyty-topbar-note::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hyty-lime);
  box-shadow: 0 0 12px var(--hyty-lime);
}
.hyty-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--hyty-border);
}
.hyty-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: var(--hyty-header-h);
}
.hyty-logo-link {
  flex: 0 0 auto;
  text-decoration: none;
}
.hyty-logo {
  font-family: var(--hyty-font-display);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: 1px;
  color: var(--hyty-blue);
  background: linear-gradient(100deg, var(--hyty-blue) 20%, var(--hyty-purple) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  transform: skewX(-5deg);
  display: inline-block;
}
.hyty-nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.2rem);
}
.hyty-nav-link {
  position: relative;
  color: var(--hyty-mist);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.5rem 0.1rem;
  text-decoration: none;
  transition: color 160ms var(--hyty-ease);
}
.hyty-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--hyty-lime);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms var(--hyty-ease);
}
.hyty-nav-link:hover {
  color: var(--hyty-white);
}
.hyty-nav-link:hover::after,
.hyty-nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}
.hyty-nav-link[aria-current="page"] {
  color: var(--hyty-blue);
}
.hyty-nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--hyty-border);
  border-radius: 12px;
  background: var(--hyty-bg-panel);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.hyty-nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--hyty-white);
  border-radius: 2px;
  transition: transform 180ms var(--hyty-ease), opacity 180ms var(--hyty-ease);
}
.hyty-nav-toggle[aria-expanded="true"] .hyty-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hyty-nav-toggle[aria-expanded="true"] .hyty-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.hyty-nav-toggle[aria-expanded="true"] .hyty-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.hyty-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.hyty-mobile-panel {
  display: none;
}
.hyty-footer {
  position: relative;
  background: var(--hyty-bg);
  border-top: 1px solid var(--hyty-border);
  overflow: hidden;
}
.hyty-footer::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -120px;
  top: 0;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.22) 0%, rgba(0, 0, 0, 0) 62%);
  pointer-events: none;
}
.hyty-footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: var(--hyty-space-lg);
  padding-bottom: var(--hyty-space-md);
  position: relative;
  z-index: 1;
}
.hyty-footer-mark {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.hyty-footer-tagline {
  color: var(--hyty-mist);
  font-size: 0.875rem;
  line-height: 1.8;
  max-width: 33ch;
  margin-bottom: 1.25rem;
}
.hyty-footer-badge {
  display: inline-block;
}
.hyty-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(182, 255, 0, 0.4);
  color: var(--hyty-lime);
  font-size: 0.8rem;
  font-family: var(--hyty-font-mono);
  letter-spacing: 0.04em;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(182, 255, 0, 0.05);
}
.hyty-footer-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--hyty-mist);
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.hyty-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.hyty-footer-links a {
  color: var(--hyty-mist);
  font-size: 0.9rem;
  transition: color 160ms var(--hyty-ease);
}
.hyty-footer-links a:hover {
  color: var(--hyty-lime);
}
.hyty-footer-contact .hyty-footer-links a {
  font-family: var(--hyty-font-mono);
  font-size: 0.85rem;
}
.hyty-footer-address {
  margin-top: 1.2rem;
  color: var(--hyty-mist);
  font-size: 0.8rem;
  line-height: 1.7;
}
.hyty-footer-bottom {
  border-top: 1px solid var(--hyty-border);
  padding-block: 1.2rem;
  position: relative;
  z-index: 1;
}
.hyty-footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--hyty-mist);
  font-family: var(--hyty-font-mono);
  font-size: 0.75rem;
}
.hyty-section {
  padding-block: var(--hyty-space-lg);
}
.hyty-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 180ms var(--hyty-ease), box-shadow 180ms var(--hyty-ease), background 180ms var(--hyty-ease), color 180ms var(--hyty-ease);
  overflow: hidden;
}
.hyty-btn--lime {
  background: var(--hyty-lime);
  color: #000E1A;
  box-shadow: 0 8px 24px rgba(182, 255, 0, 0.2);
}
.hyty-btn--lime:hover {
  background: #C7FF2F;
  color: #000E1A;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(182, 255, 0, 0.3);
}
.hyty-btn--ghost {
  background: transparent;
  color: var(--hyty-blue);
  border-color: rgba(0, 166, 255, 0.4);
}
.hyty-btn--ghost:hover {
  border-color: var(--hyty-blue);
  color: var(--hyty-white);
  background: rgba(0, 166, 255, 0.1);
  transform: translateY(-2px);
}
.hyty-card {
  background: var(--hyty-bg-panel);
  border: 1px solid var(--hyty-border);
  border-radius: var(--hyty-radius);
  padding: 1.75rem;
  transition: transform 200ms var(--hyty-ease), box-shadow 200ms var(--hyty-ease), border-color 200ms var(--hyty-ease);
}
.hyty-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hyty-shadow);
  border-color: rgba(0, 166, 255, 0.3);
}
.hyty-eyelet {
  font-family: var(--hyty-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--hyty-blue);
  text-transform: uppercase;
  font-weight: 500;
}
.hyty-flex {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.hyty-grid {
  display: grid;
  gap: 1.5rem;
}
.hyty-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.hyty-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.hyty-mt-sm { margin-top: 1rem; }
.hyty-mt-md { margin-top: 2rem; }
.hyty-mt-lg { margin-top: var(--hyty-space-md); }
.hyty-mb-md { margin-bottom: 2rem; }
.hyty-stack {
  display: grid;
  gap: 1.2rem;
}
/* 图片占位基础规则 */
.hyty-image-frame {
  position: relative;
  border-radius: var(--hyty-radius);
  overflow: hidden;
  background: linear-gradient(135deg, #0B1324 0%, #16223D 100%);
  border: 1px solid var(--hyty-border);
}
.hyty-image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(0, 166, 255, 0.06), rgba(139, 92, 246, 0.08)),
    radial-gradient(circle at 70% 30%, rgba(0, 166, 255, 0.12), transparent 60%);
}
.hyty-image-frame--square {
  aspect-ratio: 1 / 1;
}
.hyty-image-frame--wide {
  aspect-ratio: 16 / 9;
}
.hyty-image-frame--tall {
  aspect-ratio: 4 / 5;
}
.hyty-image-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
/* 滚动进度条 */
[data-scroll-progress] {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 1200;
  background: transparent;
  pointer-events: none;
}
[data-scroll-progress]::before {
  content: "";
  display: block;
  height: 100%;
  width: var(--hyty-progress, 0%);
  background: linear-gradient(90deg, var(--hyty-lime) 0%, var(--hyty-blue) 80%);
  box-shadow: 0 0 16px rgba(182, 255, 0, 0.4);
  transition: width 120ms linear;
}
/* 移动端适配 */
@media (max-width: 900px) {
  .hyty-nav-list {
    display: none;
  }
  .hyty-nav-toggle {
    display: flex;
  }
  .hyty-mobile-panel {
    display: block;
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 1000;
    background: rgba(20, 28, 46, 0.92);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid rgba(0, 166, 255, 0.35);
    border-radius: 20px;
    box-shadow: var(--hyty-shadow);
    padding: 1.25rem;
    transform: translateY(130%);
    opacity: 0;
    visibility: hidden;
    transition: transform 260ms var(--hyty-ease), opacity 260ms var(--hyty-ease), visibility 260ms;
  }
  .hyty-mobile-panel[data-open="true"] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .hyty-mobile-nav-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }
  .hyty-mobile-nav-list a {
    display: block;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    color: var(--hyty-mist);
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    transition: background 160ms var(--hyty-ease), color 160ms var(--hyty-ease);
  }
  .hyty-mobile-nav-list a:hover {
    background: rgba(0, 166, 255, 0.12);
    color: var(--hyty-white);
  }
  .hyty-mobile-nav-list a[aria-current="page"] {
    color: var(--hyty-blue);
    background: rgba(0, 166, 255, 0.12);
  }
  .hyty-header {
    position: sticky;
  }
  .hyty-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .hyty-container {
    width: min(100% - 1.5rem, var(--hyty-container));
  }
  .hyty-topbar-inner {
    justify-content: center;
  }
  .hyty-topbar-note {
    display: none;
  }
  .hyty-logo {
    font-size: 1.6rem;
  }
  .hyty-footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hyty-footer-bottom-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
  .hyty-grid--3,
  .hyty-grid--2 {
    grid-template-columns: 1fr;
  }
  .hyty-btn {
    width: 100%;
  }
}
@media (max-width: 380px) {
  .hyty-mobile-nav-list {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hyty-card:hover {
    transform: none;
  }
  .hyty-btn--lime:hover,
  .hyty-btn--ghost:hover {
    transform: none;
  }
  [data-scroll-progress] {
    display: none;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }
  [data-countup] {
    transition: none !important;
  }
}