:root {
  --c-space: #0B1B3D;
  --c-space-deep: #060F24;
  --c-silver: #C0C8D8;
  --c-orange: #FF6B35;
  --c-cream: #F5F0E6;
  --c-ink: #1A1A2E;
  --c-purple: #5A4FCF;
  --c-red: #E63946;
  --c-yellow: #FFD166;
  --font-display: "Orbitron","Exo 2","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body: "Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono: "Space Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --header-h: 76px;
  --container-w: 1360px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-cream);
  background-color: var(--c-space);
  background-image:
    radial-gradient(1.5px 1.5px at 12% 28%, rgba(192,200,216,.4) 0 1px, transparent 1.5px),
    radial-gradient(1px 1px at 24% 72%, rgba(255,255,255,.3) 0 1px, transparent 1.5px),
    radial-gradient(2px 2px at 48% 16%, rgba(255,209,102,.28) 0 1px, transparent 2px),
    radial-gradient(1px 1px at 64% 60%, rgba(192,200,216,.35) 0 1px, transparent 1.5px),
    radial-gradient(1.4px 1.4px at 82% 26%, rgba(255,255,255,.28) 0 1px, transparent 1.5px),
    radial-gradient(1px 1px at 91% 78%, rgba(255,107,53,.3) 0 1px, transparent 1.5px),
    linear-gradient(180deg, var(--c-space) 0%, var(--c-space-deep) 100%);
  background-attachment: fixed;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 3px;
}

::selection {
  background: rgba(255,107,53,.35);
  color: #fff;
}

.skip-link {
  position: fixed;
  top: -90px;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--c-orange);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: top .2s ease;
}

.skip-link:focus-visible {
  top: 10px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

#main-content {
  scroll-margin-top: 120px;
  outline: none;
}

.container {
  width: min(100% - 48px, var(--container-w));
  margin-inline: auto;
}

.section {
  padding-block: 72px;
}

.section--tight {
  padding-block: 40px;
}

.section--cream {
  background: var(--c-cream);
  color: var(--c-ink);
}

.section--cream .section-title,
.section--cream .page-title {
  color: var(--c-ink);
}

.section--cream .prose {
  color: #3b4356;
}

.page-header {
  padding-block: 64px 36px;
}

.page-title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--c-cream);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.section-label::before {
  content: "";
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-orange), transparent);
}

.section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  color: var(--c-cream);
}

.prose {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-silver);
}

.prose p {
  margin-bottom: 1em;
}

.prose a {
  color: var(--c-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong {
  color: var(--c-cream);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 24px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  color: var(--c-cream);
  cursor: pointer;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--c-orange);
  color: #fff;
}

.button--primary:hover {
  background: #ff8150;
}

.button--ghost {
  border-color: rgba(192,200,216,.45);
  color: var(--c-silver);
}

.button--ghost:hover {
  border-color: var(--c-orange);
  color: var(--c-cream);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0 0 18px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(192,200,216,.6);
}

.breadcrumb a {
  color: var(--c-silver);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--c-orange);
}

.breadcrumb__sep {
  opacity: .5;
}

.breadcrumb span[aria-current="page"] {
  color: var(--c-orange);
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  position: relative;
  padding: 26px;
  background: var(--c-cream);
  color: var(--c-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.card--dark {
  background: linear-gradient(150deg, rgba(192,200,216,.1), rgba(192,200,216,.02));
  border: 1px solid rgba(192,200,216,.16);
  color: var(--c-silver);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-ink);
}

.card--dark .card__title {
  color: var(--c-cream);
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  background: var(--c-yellow);
  color: var(--c-ink);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.tag--orange {
  background: var(--c-orange);
  color: #fff;
}

.tag--purple {
  background: var(--c-purple);
  color: #fff;
}

.tag--red {
  background: var(--c-red);
  color: #fff;
}

hr {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(192,200,216,.3), transparent);
  margin: 32px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--c-space);
  background-image:
    linear-gradient(180deg, rgba(255,107,53,.85) 0, rgba(255,107,53,.85) 2px, transparent 2px),
    radial-gradient(2px 2px at 9% 34%, rgba(192,200,216,.6) 0, transparent 2px),
    radial-gradient(1px 1px at 27% 12%, rgba(255,255,255,.55) 0, transparent 1px),
    radial-gradient(1.5px 1.5px at 51% 28%, rgba(255,209,102,.45) 0, transparent 1.5px),
    radial-gradient(1px 1px at 63% 64%, rgba(255,255,255,.4) 0, transparent 1px),
    radial-gradient(2px 2px at 42% 58%, rgba(192,200,216,.5) 0, transparent 2px),
    radial-gradient(1px 1px at 83% 47%, rgba(255,107,53,.55) 0, transparent 1px),
    radial-gradient(1.5px 1.5px at 91% 82%, rgba(255,255,255,.4) 0, transparent 1.5px);
}

.site-header__ticker {
  display: flex;
  justify-content: center;
  padding: 6px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(192,200,216,.65);
  background: rgba(6,15,36,.55);
  border-bottom: 1px solid rgba(192,200,216,.08);
}

.site-header__ticker-item + .site-header__ticker-item::before {
  content: "·";
  margin: 0 24px;
  color: var(--c-orange);
}

.site-header__inner {
  position: relative;
  max-width: var(--container-w);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
  color: var(--c-cream);
  text-decoration: none;
}

.brand__mark {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
}

.brand__orbit {
  position: absolute;
  inset: 2px;
  border: 1.5px solid rgba(192,200,216,.5);
  border-top-color: var(--c-orange);
  border-radius: 50%;
  transform: rotate(28deg);
}

.brand__star {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 13px;
  height: 13px;
  background: var(--c-orange);
  transform: translate(-50%, -50%);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  filter: drop-shadow(0 0 4px rgba(255,107,53,.6));
}

.brand__copy {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-cream);
}

.brand__slogan {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--c-silver);
  opacity: .75;
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav__link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-silver);
  text-decoration: none;
  white-space: nowrap;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color .18s, color .18s;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--c-cream);
  background: rgba(255,107,53,.12);
}

.nav__link[aria-current="page"] {
  color: var(--c-cream);
  background: rgba(255,107,53,.2);
  box-shadow: inset 0 -2px 0 var(--c-orange);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid rgba(192,200,216,.28);
  color: var(--c-cream);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  line-height: 1;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: border-color .18s, color .18s;
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  width: 18px;
  background: currentColor;
  border-radius: 1px;
  transition: transform .18s ease, opacity .18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) {
  opacity: 0;
  transform: scaleX(.5);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle__text {
  font-size: 13px;
  letter-spacing: .08em;
}

.reading-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  z-index: 1;
  background: rgba(192,200,216,.1);
}

.reading-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--c-orange), var(--c-yellow));
  transition: width .1s linear;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-header__inner {
    position: static;
    padding-block: 10px;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 12px 20px 20px;
    background:
      radial-gradient(110% 120% at 80% 0, rgba(255,107,53,.14), transparent 45%),
      linear-gradient(180deg, rgba(6,15,36,.98), rgba(11,27,61,.98));
    box-shadow: 0 22px 40px rgba(2,6,18,.45);
  }

  .nav[data-open] {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__item + .nav__item {
    border-top: 1px solid rgba(192,200,216,.08);
  }

  .nav__link {
    display: block;
    padding: 14px 16px;
    font-size: 15px;
    clip-path: none;
  }

  .nav__link[aria-current="page"] {
    background: rgba(255,107,53,.16);
    box-shadow: inset 3px 0 0 var(--c-orange);
  }
}

@media (max-width: 900px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .site-header__ticker-item:nth-child(2) {
    display: none;
  }

  .site-header__ticker {
    justify-content: center;
  }
}

.site-footer {
  position: relative;
  overflow: hidden;
  color: var(--c-silver);
  background-color: var(--c-space-deep);
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(192,200,216,.45) 0, transparent 1.5px),
    radial-gradient(1px 1px at 38% 8%, rgba(255,255,255,.35) 0, transparent 1px),
    radial-gradient(2px 2px at 72% 22%, rgba(255,209,102,.3) 0, transparent 2px),
    radial-gradient(1px 1px at 88% 66%, rgba(192,200,216,.35) 0, transparent 1px),
    radial-gradient(1.4px 1.4px at 32% 48%, rgba(255,255,255,.28) 0, transparent 1.5px),
    radial-gradient(1px 1px at 21% 78%, rgba(255,107,53,.3) 0, transparent 1px),
    radial-gradient(1.5px 1.5px at 59% 92%, rgba(192,200,216,.4) 0, transparent 1.5px),
    linear-gradient(180deg, rgba(90,79,207,.12), transparent 40%);
  border-top: 1px solid rgba(255,107,53,.4);
}

.site-footer__orbit {
  position: absolute;
  right: -130px;
  bottom: -260px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(192,200,216,.12);
  border-radius: 50%;
  pointer-events: none;
}

.site-footer__orbit::before,
.site-footer__orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,107,53,.16);
}

.site-footer__orbit::before {
  inset: 52px;
  border-top-color: rgba(255,107,53,.7);
  transform: rotate(32deg);
}

.site-footer__orbit::after {
  inset: 104px;
  border-bottom-color: rgba(255,209,102,.5);
  transform: rotate(-16deg);
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 56px 24px 44px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr) minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 40px;
}

.site-footer__block {
  min-width: 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--c-cream);
}

.brand__mark--footer {
  width: 34px;
  height: 34px;
  flex-basis: 34px;
}

.brand__mark--footer .brand__orbit {
  inset: 1px;
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .08em;
  color: var(--c-cream);
}

.footer-about {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(192,200,216,.8);
}

.footer-trust {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(192,200,216,.16);
  background: rgba(6,15,36,.35);
  font-size: 12px;
  line-height: 1.65;
  color: rgba(192,200,216,.75);
}

.footer-trust__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 1.5px solid var(--c-yellow);
  border-radius: 50%;
}

.footer-trust__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  transform: translate(-50%, -50%);
  background: var(--c-yellow);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.footer-heading {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-cream);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,107,53,.3);
}

.footer-links {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a {
  display: inline-block;
  color: rgba(192,200,216,.8);
  font-size: 14px;
  text-decoration: none;
  transition: color .18s, transform .18s;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--c-orange);
  transform: translateX(4px);
}

.footer-contact {
  padding: 0;
  margin: 0 0 16px;
  list-style: none;
  font-size: 13px;
  line-height: 1.8;
}

.footer-contact li {
  position: relative;
  padding-left: 18px;
  color: rgba(192,200,216,.85);
}

.footer-contact li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 8px;
  color: var(--c-orange);
}

.footer-note {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(192,200,216,.6);
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 16px 24px 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  border-top: 1px solid rgba(192,200,216,.12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(192,200,216,.55);
}

.footer-copyright,
.footer-icp {
  margin: 0;
}

@media (max-width: 620px) {
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,107,53,.12), transparent 42%),
    rgba(192,200,216,.08);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.image-frame--wide {
  aspect-ratio: 16 / 9;
}

.image-frame--tall {
  aspect-ratio: 3 / 4;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

.image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.image-frame:hover img {
  transform: scale(1.04);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.14);
  clip-path: inherit;
}

.image-frame--placeholder::before {
  content: "IMG";
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: rgba(192,200,216,.55);
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease, transform .55s ease;
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

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

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .reading-progress__bar {
    transition: none;
  }
}