:root {
  --bg: #07090e;
  --bg-elevated: #0e131c;
  --bg-card: rgba(18, 24, 36, 0.72);
  --line: rgba(201, 165, 106, 0.22);
  --gold: #c9a56a;
  --gold-bright: #e8d5a3;
  --ink: #f3efe6;
  --muted: #9aa3b5;
  --dim: #6d7688;
  --success: #7dcea0;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 22px;
  --header: 76px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --display: "Cormorant Garamond", "Noto Serif SC", serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(201, 165, 106, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(80, 120, 180, 0.12), transparent 50%),
    var(--bg);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
}

.orb-a {
  width: 420px;
  height: 420px;
  background: #c9a56a;
  top: -120px;
  right: 8%;
  animation: drift 18s ease-in-out infinite;
}

.orb-b {
  width: 360px;
  height: 360px;
  background: #1e3a5f;
  bottom: 8%;
  left: -80px;
  animation: drift 22s ease-in-out infinite reverse;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  backdrop-filter: blur(18px);
  background: rgba(7, 9, 14, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.site-header.scrolled {
  background: rgba(7, 9, 14, 0.88);
  border-bottom-color: var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}

.brand strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand small {
  display: block;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.nav {
  display: flex;
  gap: 26px;
}

.nav a {
  font-size: 14px;
  color: var(--muted);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.25s;
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
}

.nav a:hover::after,
.nav a.is-active::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-gold {
  background: linear-gradient(180deg, #e8d5a3, #c9a56a);
  color: #1a1408;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(201, 165, 106, 0.22);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--gold-bright);
  background: transparent;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  padding: 10px 11px;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--gold-bright);
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  font-family: var(--display);
  letter-spacing: 0.28em;
  font-size: 13px;
  color: var(--gold);
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}

h1 {
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 0.04em;
}

h2 {
  font-size: clamp(28px, 3.2vw, 42px);
}

.lead,
.section-desc {
  color: var(--muted);
  font-size: 16px;
  font-weight: 300;
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin: 32px 0 40px;
}

.hero-meta {
  display: flex;
  gap: 28px;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--dim);
  font-size: 13px;
}

.hero-meta span {
  display: block;
  font-family: var(--display);
  font-size: 28px;
  color: var(--gold-bright);
  line-height: 1.1;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-row article {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 14px;
}

.metric-row small {
  color: var(--dim);
  font-size: 12px;
}

.metric-row strong {
  display: block;
  font-family: var(--display);
  font-size: 32px;
  font-weight: 600;
}

.metric-row em {
  font-style: normal;
  color: var(--success);
  font-size: 12px;
}

.spark {
  margin: 18px 0 8px;
}

.spark svg {
  width: 100%;
  height: 88px;
}

.spark-line {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
}

.panel-list {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
}

.panel-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
}

.panel-list b {
  color: var(--gold-bright);
  font-weight: 500;
}

.panel-list span {
  color: var(--dim);
}

.section {
  padding: 96px 0;
}

.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  border-block: 1px solid rgba(255, 255, 255, 0.04);
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head h2,
.split h2 {
  margin-bottom: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  padding: 28px 26px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--bg-elevated);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.product-card.featured {
  background:
    linear-gradient(180deg, rgba(201, 165, 106, 0.1), transparent 40%),
    var(--bg-elevated);
  border-color: var(--line);
}

.ribbon {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #1a1408;
  background: var(--gold-bright);
  padding: 4px 10px;
  border-radius: 999px;
}

.product-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  place-items: center;
}

.product-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.product-tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.product-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.product-card > p {
  color: var(--muted);
  font-size: 14px;
  min-height: 72px;
}

.product-card ul {
  padding-left: 18px;
  color: var(--dim);
  font-size: 13px;
  margin: 0 0 18px;
}

.text-link {
  color: var(--gold-bright);
  font-size: 14px;
}

.text-link::after {
  content: " →";
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.cap-list {
  display: grid;
  gap: 16px;
}

.cap-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  background: rgba(14, 19, 28, 0.7);
}

.cap-list span {
  font-family: var(--display);
  font-size: 22px;
  color: var(--gold);
}

.cap-list h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.cap-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

blockquote {
  margin: 0;
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(201, 165, 106, 0.12), rgba(14, 19, 28, 0.4));
}

blockquote p {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.6;
  margin: 0 0 20px;
}

cite {
  color: var(--gold);
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.about-copy p {
  color: var(--muted);
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0 0;
}

.facts dt {
  color: var(--dim);
  font-size: 12px;
}

.facts dd {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-size: 18px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.news-grid article {
  padding: 24px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg-elevated);
}

.news-grid time {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.news-grid h3 {
  font-size: 18px;
  margin: 12px 0;
}

.news-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  padding: 96px 0 80px;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-points {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}

.contact-points li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-points span {
  color: var(--dim);
}

.contact-points a {
  color: var(--gold-bright);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  background: rgba(7, 9, 14, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--gold);
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--success);
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #05070b;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1.3fr;
  gap: 32px;
}

.footer-brand p {
  color: var(--muted);
  max-width: 36ch;
}

.site-footer h4 {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-weight: 500;
}

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

.site-footer li,
.site-footer li a {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.site-footer li a:hover {
  color: var(--gold-bright);
}

.footer-contact li {
  margin-bottom: 16px;
  line-height: 1.7;
}

.footer-contact span {
  display: block;
  color: var(--dim);
  font-size: 12px;
  margin-bottom: 4px;
}

.footer-contact a {
  color: var(--gold-bright);
}

.footer-bar {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--dim);
  font-size: 12px;
}

.footer-bar a {
  margin-right: 14px;
}

.footer-bar a:hover {
  color: var(--gold-bright);
}

.fade-up {
  animation: fadeUp 0.9s ease both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.32s; }
.delay-4 { animation-delay: 0.44s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .product-grid,
  .split,
  .about-grid,
  .news-grid,
  .cta-grid,
  .footer-grid,
  .module-grid,
  .spec-grid,
  .value-grid,
  .job-grid,
  .partner-grid,
  .step-grid,
  .article-wrap,
  .legal-wrap {
    grid-template-columns: 1fr;
  }

  .scene-list article {
    grid-template-columns: 1fr;
  }

  .article-side,
  .legal-toc {
    position: static;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(7, 9, 14, 0.96);
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .header-inner .btn {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

  .footer-bar {
    flex-direction: column;
  }

  .hero {
    padding-top: 40px;
  }
}

@media (max-width: 640px) {
  .hero-meta,
  .contact-form,
  .metric-row {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

.hero-actions {
    flex-direction: column;
  }

  .page-hero {
    padding-top: 36px;
  }

  .module-grid,
  .spec-grid,
  .value-grid,
  .job-grid,
  .partner-grid,
  .step-grid,
  .legal-toc {
    grid-template-columns: 1fr;
  }

  .article-wrap,
  .legal-wrap {
    grid-template-columns: 1fr;
  }
}

.page-hero {
  padding: 64px 0 28px;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--dim);
  font-size: 13px;
}

.crumbs a:hover {
  color: var(--gold-bright);
}

.page-hero h1 {
  font-size: clamp(32px, 4.4vw, 52px);
  margin-bottom: 16px;
}

.page-hero .lead {
  margin-bottom: 28px;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 13px;
}

.chip:hover,
.chip.is-active {
  border-color: var(--line);
  color: var(--gold-bright);
}

.module-grid,
.spec-grid,
.value-grid,
.job-grid,
.partner-grid,
.step-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.module-card,
.spec-card,
.value-card,
.job-card,
.partner-card,
.step-card {
  padding: 24px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--bg-elevated);
}

.module-card h3,
.spec-card h3,
.value-card h3,
.job-card h3,
.partner-card h3,
.step-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.module-card p,
.spec-card p,
.value-card p,
.job-card p,
.partner-card p,
.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.module-card ul,
.job-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--dim);
  font-size: 13px;
}

.step-card span {
  display: block;
  font-family: var(--display);
  color: var(--gold);
  letter-spacing: 0.16em;
  font-size: 13px;
  margin-bottom: 8px;
}

.scene-list {
  display: grid;
  gap: 14px;
}

.scene-list article {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(14, 19, 28, 0.7);
}

.scene-list b {
  color: var(--gold);
  font-weight: 500;
}

.scene-list p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  margin-left: 8px;
}

.timeline article {
  padding: 0 0 28px 28px;
  position: relative;
}

.timeline article::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

.timeline time {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.timeline h3 {
  font-size: 18px;
  margin: 6px 0;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.article-wrap,
.legal-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

.article-body,
.legal-body {
  max-width: 72ch;
}

.article-body p,
.legal-body p,
.prose p {
  color: var(--muted);
}

.article-body h2,
.legal-body h2,
.prose h2 {
  font-size: 26px;
  margin: 36px 0 12px;
}

.article-body h3,
.legal-body h3 {
  font-size: 18px;
  margin: 24px 0 8px;
}

.article-side,
.legal-toc {
  position: sticky;
  top: 96px;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--bg-elevated);
}

.article-side h4,
.legal-toc h4 {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.article-side a,
.legal-toc a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.article-side a:hover,
.legal-toc a:hover {
  color: var(--gold-bright);
}

.news-grid a.news-card,
a.news-card {
  display: block;
  padding: 24px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg-elevated);
  transition: transform 0.25s, border-color 0.25s;
}

a.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--line);
}

.map-card {
  min-height: 240px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(201, 165, 106, 0.08), transparent),
    repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(255, 255, 255, 0.03) 32px),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(255, 255, 255, 0.03) 32px),
    var(--bg-elevated);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.map-pin {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 10px rgba(201, 165, 106, 0.18);
  margin: 0 auto 12px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.job-card .meta {
  color: var(--dim);
  font-size: 13px;
  margin-bottom: 10px;
}

.article-body a,
.legal-body a {
  color: var(--gold-bright);
}

.cta p,
.cta .lead {
  color: var(--muted);
  max-width: 58ch;
}
