@charset "UTF-8";

:root {
  --color-primary: #7C3AED;
  --color-secondary: #06B6D4;
  --color-accent: #F97316;
  --color-bg-dark: #0B0F19;
  --color-bg-card: #1E293B;
  --color-bg-light: #F1F5F9;
  --color-text: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-border: #334155;
  --color-success: #10B981;
  --font-headline: "Space Grotesk", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Noto Sans Mono", "SFMono-Regular", Consolas, monospace;
  --header-width: 280px;
  --topbar-height: 64px;
  --radius: 4px;
  --shadow-neon: 0 0 22px rgba(124, 58, 237, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  min-height: 100%;
}

body {
  min-height: 100%;
  background-color: var(--color-bg-dark);
  background-image:
    radial-gradient(circle at 82% 8%, rgba(124, 58, 237, 0.14), transparent 34%),
    radial-gradient(circle at 12% 78%, rgba(6, 182, 212, 0.08), transparent 30%);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-is-open {
  overflow: hidden;
}

#main-content {
  min-height: 65vh;
  padding-top: var(--topbar-height);
  outline: none;
}

#main-content:focus {
  outline: none;
}

[hidden] {
  display: none !important;
}

a {
  color: var(--color-secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #fff;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #fff;
  font-family: var(--font-headline);
  line-height: 1.15;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  font-style: italic;
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
}

p {
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--color-primary);
  color: #fff;
}

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

.skip-link {
  position: fixed;
  top: -120px;
  left: 12px;
  z-index: 4000;
  padding: 10px 16px;
  background: var(--color-primary);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  color: #fff;
  font-family: var(--font-headline);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-neon);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  height: var(--topbar-height);
  background: rgba(11, 15, 25, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(124, 58, 237, 0.18), transparent 36%),
    linear-gradient(45deg, transparent 70%, rgba(6, 182, 212, 0.1));
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  opacity: 0.7;
}

.site-header > * {
  position: relative;
  z-index: 1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 0 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}

.brand:hover {
  color: #fff;
}

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 38px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.45);
}

.brand-mark_beam {
  display: block;
  width: 16px;
  height: 3px;
  background: var(--color-accent);
  transform: skewX(-18deg);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  display: block;
  font-family: var(--font-headline);
  font-weight: 800;
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-tagline {
  display: block;
  margin-top: 2px;
  color: var(--color-secondary);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-card);
  color: var(--color-text);
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.35);
}

.nav-toggle_lines {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: background 0.2s ease;
}

.nav-toggle_lines::before,
.nav-toggle_lines::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, top 0.2s ease;
}

.nav-toggle_lines::before {
  top: -6px;
}

.nav-toggle_lines::after {
  top: 6px;
}

.nav-toggle.is-open .nav-toggle_lines {
  background: transparent;
}

.nav-toggle.is-open .nav-toggle_lines::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open .nav-toggle_lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1500;
  width: min(360px, 88vw);
  height: calc(100vh - var(--topbar-height));
  padding: 22px 18px;
  background: var(--color-bg-dark);
  border-right: 2px solid var(--color-primary);
  overflow-y: auto;
  transform: translateX(-102%);
  visibility: hidden;
  transition: transform 0.28s ease, visibility 0.28s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) transparent;
}

.site-nav[data-open="true"] {
  transform: translateX(0);
  visibility: visible;
  box-shadow: 12px 0 32px rgba(0, 0, 0, 0.55);
}

.site-nav_list {
  display: grid;
  gap: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-left: 3px solid transparent;
  color: var(--color-text);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.02rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-link::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--color-secondary);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: 0.7;
  transform: skewX(-12deg);
}

.nav-link:hover {
  color: #fff;
  border-left-color: var(--color-secondary);
  background: linear-gradient(90deg, rgba(124, 58, 237, 0.18), transparent 72%);
  transform: translateX(4px);
}

.nav-link[aria-current="page"] {
  color: #fff;
  border-left-color: var(--color-accent);
  background: linear-gradient(90deg, rgba(249, 115, 22, 0.16), transparent 72%);
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.nav-link[aria-current="page"]::before {
  background: var(--color-accent);
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.6);
}

.rail-note {
  margin-top: auto;
  padding: 18px 8px 8px;
  border-top: 1px solid var(--color-border);
}

.header-desc {
  margin-bottom: 14px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

.nav-scrim {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1400;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(2px);
}

.header-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3000;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: 0 0;
  opacity: 0;
  pointer-events: none;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(44px, 7vw, 88px);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  clip-path: polygon(0 0, 100% 0, 72% 100%, 0 100%);
}

.section-title {
  max-width: 780px;
  margin-bottom: 14px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card {
  position: relative;
  padding: 26px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.25);
}

.card::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  opacity: 0.75;
}

.card:hover {
  border-color: var(--color-secondary);
  border-left-color: var(--color-secondary);
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 rgba(6, 182, 212, 0.12);
}

.card-title {
  margin-bottom: 8px;
  color: #fff;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  line-height: 1.3;
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(124, 58, 237, 0.45);
  background: rgba(124, 58, 237, 0.14);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
}

.tag--cyan {
  border-color: rgba(6, 182, 212, 0.45);
  background: rgba(6, 182, 212, 0.12);
  color: #A5F3FC;
}

.tag--orange {
  border-color: rgba(249, 115, 22, 0.45);
  background: rgba(249, 115, 22, 0.14);
  color: #FDBA74;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-headline);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

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

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #8B5CF6;
  border-color: #8B5CF6;
  box-shadow: 0 0 22px rgba(124, 58, 237, 0.4);
}

.btn-ghost {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-secondary);
  color: #fff;
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-btn {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.filter-btn:hover,
.filter-btn.is-active,
.filter-btn[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.35);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-border);
}

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

.breadcrumb a:hover {
  color: #fff;
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0F172A, #1E293B);
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.media-frame::before {
  content: "";
  display: block;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(-45deg, rgba(124, 58, 237, 0.08) 0 2px, transparent 2px 12px),
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), transparent 55%);
}

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

.media-frame--portrait::before {
  aspect-ratio: 3 / 4;
}

.media-frame > * {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer {
  position: relative;
  background: var(--color-bg-card);
  border-top: 2px solid var(--color-primary);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -2px;
  right: 8%;
  width: 42%;
  height: 18px;
  background: linear-gradient(90deg, transparent, var(--color-secondary), var(--color-accent), transparent);
  clip-path: polygon(0 0, 100% 0, 82% 100%, 18% 100%);
  opacity: 0.35;
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: 60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.14), transparent 68%);
  pointer-events: none;
}

.footer-main {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  padding: 48px 0 32px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-description {
  max-width: 320px;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-nav,
.footer-contact {
  min-width: 0;
}

.footer-heading {
  margin-bottom: 16px;
  color: var(--color-accent);
  font-family: var(--font-headline);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links,
.footer-contact_list {
  display: grid;
  gap: 8px;
}

.footer-links a {
  display: inline-block;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  padding-left: 4px;
  color: var(--color-secondary);
}

.footer-contact_list li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer-contact_list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.footer-legal {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 28px;
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  padding: 22px 0 28px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-legal_line {
  color: var(--color-text-muted);
}

.footer-legal_links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-border);
}

.footer-legal_links a {
  color: var(--color-secondary);
  text-decoration: none;
}

.footer-legal_links a:hover {
  color: #fff;
}

.footer-legal_note {
  flex-basis: 100%;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: 1.2fr 1fr;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  body {
    margin-left: var(--header-width);
  }

  #main-content {
    padding-top: 0;
  }

  .site-header {
    right: auto;
    width: var(--header-width);
    height: 100vh;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
    background: var(--color-bg-dark);
  }

  .site-header::after {
    bottom: auto;
    top: 0;
    left: auto;
    right: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    height: auto;
    padding: 24px 20px;
    border-bottom: 1px solid var(--color-border);
  }

  .brand-tagline {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    flex: 1;
    background: transparent;
    border: 0;
    transform: none;
    visibility: visible;
    transition: none;
    box-shadow: none;
  }

  .nav-scrim {
    display: none !important;
  }

  .site-nav_list {
    gap: 4px;
  }

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

  .footer-main {
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding: 56px 0 40px;
  }

  .footer-contact {
    grid-column: auto;
  }
}

@media (max-width: 1079.98px) {
  body.nav-is-open {
    overflow: hidden;
  }
}

@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;
    scroll-behavior: auto !important;
  }
}