:root {
  --c-bg: #0B1026;
  --c-panel: #131C3A;
  --c-green: #39FF88;
  --c-orange: #FF9F1C;
  --c-text: #E8EDF4;
  --c-muted: #A0AABF;
  --c-line: #2A3450;
  --c-data: #4A90E2;
  --c-live: #FF4D4F;
  --c-footer-bg: #0F1420;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Roboto Mono", Menlo, Consolas, monospace;
  --header-h: 76px;
  --max-width: 1220px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --shadow: 0 18px 50px rgba(0, 0, 0, .35);
}

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

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

ul[class], ol[class] {
  list-style: none;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--c-bg);
}

body {
  min-height: 100vh;
  background-color: var(--c-bg);
  background-image: radial-gradient(60rem 30rem at 90% 8%, rgba(57, 255, 136, .07), transparent 60%), radial-gradient(50rem 26rem at 5% 85%, rgba(255, 159, 28, .05), transparent 60%);
  background-attachment: fixed;
  color: var(--c-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

::selection {
  background: var(--c-green);
  color: #07120b;
}

:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 2000;
  padding: .6rem 1rem;
  background: var(--c-green);
  color: #07120b;
  border-radius: var(--radius-pill);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-300%);
  transition: transform .2s var(--ease);
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: clamp(3rem, 8vw, 6.5rem) 0;
}

.section-alt {
  background: var(--c-panel);
  border-block: 1px solid var(--c-line);
}

.section-head {
  max-width: 880px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .6rem;
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.kicker::before {
  content: "//";
  color: var(--c-orange);
}

.section-title {
  margin: 0;
  color: var(--c-text);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  transform: skew(-5deg);
}

.section-desc {
  max-width: 56ch;
  margin-top: 1rem;
  color: var(--c-muted);
  font-size: 1.05rem;
}

.page-hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  background: radial-gradient(circle at 78% 15%, rgba(57, 255, 136, .1), transparent 34%), radial-gradient(circle at 15% 90%, rgba(255, 159, 28, .06), transparent 30%);
  border-bottom: 1px solid var(--c-line);
}

.page-hero-title {
  display: block;
  margin-top: .4rem;
  color: var(--c-text);
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  transform: skew(-5deg);
}

.page-hero-meta {
  margin-top: 1rem;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: .85rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  color: var(--c-muted);
  font-size: .875rem;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--c-line);
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--c-text);
  font-weight: 700;
}

.site-header,
.js-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 16, 38, .68);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(42, 52, 80, .55);
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green) 0%, transparent 40%, var(--c-orange) 100%);
  opacity: .7;
  pointer-events: none;
}

.site-header.is-scrolled {
  background: rgba(11, 16, 38, .97);
  border-bottom-color: var(--c-line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  flex-shrink: 0;
  color: var(--c-text);
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(57, 255, 136, .16), rgba(11, 16, 38, .9) 60%);
  border: 1px solid rgba(57, 255, 136, .7);
  transform: skew(-7deg);
  overflow: hidden;
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(57, 255, 136, .35);
  border-radius: 8px;
  transform: skew(-4deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 12px var(--c-orange);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  display: block;
  color: var(--c-text);
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .06em;
}

.brand-sub {
  display: block;
  margin-top: .15rem;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .32em;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(.6rem, 1.4vw, 1.25rem);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: .55rem .2rem;
  color: var(--c-text);
  text-decoration: none;
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: .02em;
  opacity: .82;
  transition: color .2s, opacity .2s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .15rem;
  right: 100%;
  bottom: .15rem;
  height: 2px;
  border-radius: 99px;
  background: var(--c-green);
  transition: right .25s var(--ease);
}

.nav-link:hover {
  opacity: 1;
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  right: .15rem;
}

.nav-link[aria-current="page"] {
  color: var(--c-green);
  opacity: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .7rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: .95rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .25s;
}

.btn-primary {
  background: var(--c-green);
  color: #07120b;
}

.btn-accent {
  background: var(--c-orange);
  color: #1f1402;
}

.btn-ghost {
  background: rgba(255, 255, 255, .02);
  border-color: var(--c-line);
  color: var(--c-text);
}

.btn-ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  transform: translateY(-2px);
}

.btn-header {
  background: var(--c-green);
  color: #07120b;
}

.btn-header:hover {
  background: #57ff9c;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(57, 255, 136, .22);
}

.header-cta {
  flex-shrink: 0;
  margin-left: .75rem;
}

.nav-cta {
  display: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  padding: .55rem .25rem .55rem .75rem;
  background: transparent;
  border: 1px solid rgba(42, 52, 80, .8);
  border-radius: var(--radius-pill);
  color: var(--c-text);
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: var(--c-green);
}

.nav-toggle-box {
  display: grid;
  width: 24px;
  height: 18px;
  align-content: center;
  justify-items: center;
  gap: 5px;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  width: 0;
  height: 3px;
  border-radius: 0 99px 99px 0;
  background: linear-gradient(90deg, var(--c-green), var(--c-orange));
  pointer-events: none;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.panel {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.panel-main {
  grid-column: span 8;
}

.panel-side {
  grid-column: span 4;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 136, .45);
}

.card-title {
  color: var(--c-text);
  font-size: 1.15rem;
  font-weight: 800;
}

.card-meta {
  margin-top: .5rem;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: .8rem;
}

.data-stat {
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
}

.data-stat.is-warm {
  color: var(--c-orange);
}

.data-label {
  display: block;
  margin-top: .4rem;
  color: var(--c-muted);
  font-size: .75rem;
  letter-spacing: .15em;
}

.tag {
  display: inline-block;
  padding: .3rem .7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(57, 255, 136, .35);
  background: rgba(57, 255, 136, .1);
  color: var(--c-green);
  font-size: .8rem;
  font-weight: 700;
}

.tag.is-warm {
  border-color: rgba(255, 159, 28, .35);
  background: rgba(255, 159, 28, .1);
  color: var(--c-orange);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--c-line);
}

.timeline > li {
  position: relative;
  padding: 0 0 1.8rem 1.5rem;
}

.timeline > li::before {
  content: "";
  position: absolute;
  top: .35rem;
  left: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, .12);
}

.timeline > li.is-warm::before {
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, .12);
}

.timeline time {
  display: block;
  margin-bottom: .3rem;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: .8rem;
}

.timeline h3 {
  color: var(--c-text);
  font-size: 1.1rem;
}

.prose {
  max-width: 72ch;
  color: var(--c-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.prose h2 {
  margin-top: 2.2rem;
  margin-bottom: .8rem;
  color: var(--c-text);
}

.prose p {
  margin-bottom: 1.1rem;
}

.figure-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--c-panel), rgba(11, 16, 38, .2));
  color: var(--c-muted);
}

.figure-frame::before {
  content: "IMG";
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .3em;
}

.figure-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure-frame.is-tall {
  min-height: 360px;
}

.site-footer {
  background: var(--c-footer-bg);
  border-top: 1px solid var(--c-line);
  color: var(--c-text);
  padding-top: clamp(3rem, 6vw, 5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.footer-brand-block {
  max-width: 46rem;
}

.footer-brand {
  margin-bottom: 1.25rem;
}

.footer-motto {
  max-width: 42ch;
  color: var(--c-muted);
  font-size: .95rem;
  line-height: 1.7;
}

.footer-domain {
  margin-top: 1.1rem;
  color: var(--c-data);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
}

.footer-info {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.footer-heading {
  margin-bottom: 1rem;
  color: var(--c-green);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .2em;
}

.footer-contact-line {
  display: flex;
  gap: .6rem;
  margin: 0;
  color: var(--c-muted);
  font-size: .95rem;
}

.footer-label {
  flex-shrink: 0;
  color: var(--c-text);
  font-weight: 700;
}

.footer-address {
  align-items: flex-start;
}

.footer-note {
  color: var(--c-muted);
  font-size: .8rem;
  line-height: 1.5;
}

.footer-links-panel {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.footer-legal {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .7rem;
}

.footer-legal a {
  color: var(--c-muted);
  text-decoration: none;
  font-size: .95rem;
  transition: color .2s, padding-left .2s;
}

.footer-legal a:hover {
  color: var(--c-green);
  padding-left: .3rem;
}

.footer-bottom {
  border-top: 1px solid rgba(42, 52, 80, .75);
  padding-block: 1.1rem;
}

.footer-bottom-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.5rem;
}

.footer-copy {
  margin: 0;
  color: var(--c-muted);
  font-size: .875rem;
}

.footer-icp {
  margin: 0;
  color: var(--c-muted);
  font-size: .875rem;
}

.footer-domain-sm {
  margin: 0 0 0 auto;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: .75rem;
}

.site-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

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

@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    margin: 0;
    padding: 1rem 1.25rem 1.4rem;
    background: rgba(11, 16, 38, .98);
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: .9rem .2rem;
    border-bottom: 1px solid rgba(42, 52, 80, .45);
  }

  .nav-cta {
    display: inline-flex;
    margin-top: 1.15rem;
  }

  .header-cta {
    margin-left: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .panel-main,
  .panel-side {
    grid-column: 1 / -1;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand-block {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .header-shell {
    gap: .5rem;
  }

  .brand-sub {
    letter-spacing: .18em;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    margin-left: auto;
  }

  .nav-toggle-label {
    display: none;
  }

  .scroll-progress {
    height: 2px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand-block {
    grid-column: auto;
  }

  .footer-domain-sm {
    margin-left: 0;
  }

  .footer-bottom-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

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

  .site-js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll-progress {
    transition: none;
  }
}