:root {
  --bg: #020407;
  --ink: #f8f2df;
  --muted: #9da8b5;
  --soft: #d2d8df;
  --gold: #e8c077;
  --gold-2: #ffe2a6;
  --gold-3: #b98334;
  --blue: #2d88ff;
  --green: #3de18a;
  --line: rgba(255, 255, 255, .14);
  --panel: rgba(8, 14, 24, .68);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.page-shell {
  min-height: 100vh;
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(0,0,0,.34), rgba(0,0,0,.9) 74%),
    url("/assets/hero-finance-skyline.png") center top / 100% auto no-repeat,
    radial-gradient(circle at 75% 16%, rgba(45,136,255,.16), transparent 34%),
    #020407;
}
.market-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 70%);
}
.light-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 20%, rgba(232,192,119,.18), transparent 24%),
    radial-gradient(circle at 80% 28%, rgba(45,136,255,.14), transparent 30%);
}

.site-header,
main,
.site-footer {
  width: min(1440px, calc(100% - 96px));
  margin-inline: auto;
}

.site-header {
  height: 96px;
  display: grid;
  grid-template-columns: 280px 1fr auto;
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(2,4,7,.88), rgba(2,4,7,.56));
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand,
.nav,
.header-actions { min-width: 0; }
.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  color: #15100a;
  font-weight: 950;
  letter-spacing: -.04em;
  background: linear-gradient(145deg, #fff0bd, #bf852d);
  border: 1px solid rgba(255,226,166,.7);
  box-shadow: 0 0 34px rgba(232,192,119,.2);
}
.brand strong { display: block; color: #fff2cf; font-size: 22px; line-height: 1; }
.brand small { display: block; margin-top: 7px; color: var(--gold); font-size: 11px; letter-spacing: .38em; }
.nav { display: flex; justify-content: center; gap: clamp(16px, 2.8vw, 44px); }
.nav a {
  position: relative;
  padding: 37px 0 34px;
  color: #e0e5ec;
  font-size: 15px;
  white-space: nowrap;
}
.nav a:hover,
.nav a:first-child { color: var(--gold-2); }
.nav a:first-child:after,
.nav a:hover:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.header-actions { display: flex; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 26px;
  border: 1px solid rgba(255,226,166,.48);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: .02em;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(232,192,119,.18); }
.btn.gold { color: #161008; background: linear-gradient(135deg, #fff1be 0%, #e7ba69 48%, #bb7d27 100%); }
.btn.ghost,
.btn.glass { color: #ffe3a5; background: rgba(0,0,0,.18); }
.btn.large { min-height: clamp(46px, 4.2vw, 56px); min-width: clamp(170px, 15vw, 220px); }

.section { scroll-margin-top: 110px; margin: 54px 0; }
.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(520px, 620px);
  grid-template-rows: 1fr auto;
  column-gap: clamp(36px, 5vw, 72px);
  align-items: center;
  padding: clamp(44px, 5vw, 68px) 0 30px;
  margin-top: 0;
}
.hero-copy { max-width: 640px; padding-bottom: clamp(24px, 5vw, 64px); }
.hero h1 {
  margin: 0 0 clamp(14px, 1.8vw, 20px);
  font-size: clamp(56px, 6.2vw, 96px);
  line-height: .96;
  letter-spacing: .02em;
  font-weight: 950;
  background: linear-gradient(90deg, #ffe4a1 0%, #fffdf4 52%, #d09a44 100%);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow: 0 0 44px rgba(232,192,119,.14);
}
.hero h2 {
  margin: 0 0 clamp(16px, 2vw, 22px);
  color: #f4f8ff;
  font-size: clamp(22px, 2vw, 34px);
  font-weight: 500;
  letter-spacing: clamp(.12em, 1.1vw, .34em);
}
.title-rule {
  display: block;
  width: 38px;
  height: 3px;
  margin: 0 0 clamp(22px, 2.8vw, 30px);
  background: var(--gold);
  box-shadow: 0 0 20px rgba(232,192,119,.45);
}
.hero-lead {
  max-width: 600px;
  color: #e2e7ef;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.9;
  margin-bottom: clamp(28px, 3.5vw, 40px);
  text-shadow: 0 2px 24px rgba(0,0,0,.56);
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-panels {
  display: grid;
  gap: 26px;
  align-content: center;
}
.analytics-panel,
.terminal-download-card {
  border: 1px solid rgba(255,255,255,.22);
  background: linear-gradient(180deg, rgba(14,22,34,.78), rgba(7,10,15,.62));
  box-shadow: 0 34px 90px rgba(0,0,0,.48), inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter: blur(18px);
}
.analytics-panel { padding: 26px 28px; }
.panel-head {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.13);
  margin-bottom: 20px;
}
.panel-head strong { color: #ffe0a0; font-size: 19px; letter-spacing: .02em; }
.panel-head span { color: #b9c2cf; font-size: 12px; }
.panel-head span:before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px rgba(61,225,138,.8);
}
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.analytics-grid div {
  min-height: 108px;
  padding: 12px 18px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.analytics-grid div:last-child { border-right: 0; }
.analytics-grid span { display: block; color: #c5ceda; font-size: 13px; }
.analytics-grid strong { display: block; margin-top: 12px; color: #ffe0a0; font-size: 22px; }
.analytics-grid div:first-child strong { color: var(--green); }
.mini-line {
  display: block;
  width: 66px;
  height: 34px;
  margin-top: 13px;
  background:
    linear-gradient(135deg, transparent 46%, currentColor 47%, currentColor 52%, transparent 53%),
    linear-gradient(35deg, transparent 55%, currentColor 56%, currentColor 60%, transparent 61%);
  opacity: .9;
}
.mini-line.green { color: var(--green); }
.mini-line.blue { color: var(--blue); }
.shield,
.target { display: block; margin-top: 14px; color: var(--gold); font-size: 34px; font-style: normal; }
.hero-chart { height: 110px; margin-top: 6px; }
.hero-chart .chart-svg { height: 110px; margin: 0; }

.terminal-download-card {
  padding: 28px;
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 20px 24px;
}
.terminal-icon {
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.2);
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.02));
  color: var(--gold-2);
  font-size: 44px;
  font-weight: 950;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.terminal-copy h3 { margin: 6px 0 0; color: #fff3d5; font-size: 28px; }
.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .18em;
}
.terminal-meta {
  grid-column: 2;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.16);
}
.terminal-meta div { padding: 14px 16px; border-right: 1px solid rgba(255,255,255,.1); }
.terminal-meta div:last-child { border-right: 0; }
.terminal-meta dt { color: #9ba5b4; font-size: 12px; }
.terminal-meta dd { margin: 7px 0 0; color: #fff0c4; font-weight: 900; white-space: nowrap; }
.terminal-download-card .btn {
  grid-column: 1 / -1;
  width: 100%;
}
.text-link {
  grid-column: 1 / -1;
  color: #eac982;
  text-align: center;
  font-weight: 800;
}

.hero-values {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.16);
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.48), transparent);
}
.hero-values article {
  min-height: 96px;
  display: grid;
  grid-template-columns: 54px 1fr;
  column-gap: 16px;
  align-items: center;
  padding: 18px 24px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.hero-values article:last-child { border-right: 0; }
.hero-values span {
  grid-row: span 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--gold);
  border: 1px solid rgba(232,192,119,.38);
  border-radius: 50%;
  background: rgba(0,0,0,.32);
}
.hero-values strong { color: #ffe3a2; font-size: 19px; }
.hero-values small { color: #b8c0cb; font-size: 14px; }

.intro-band,
.about-contact,
.admin-preview,
.performance,
.help,
.timeline,
.download-card,
.version-history,
.capability-card,
.strategy-grid article,
.advantage-grid article {
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}
.intro-band,
.about-contact,
.admin-preview {
  padding: 40px;
  display: grid;
  grid-template-columns: .75fr 1fr;
  gap: 42px;
  align-items: center;
}
.intro-band h2,
.section-head h2,
.download-card h2,
.about-contact h2,
.admin-preview h2 {
  margin: 8px 0 0;
  color: #fff2ce;
  font-size: clamp(30px, 3vw, 46px);
}
.intro-band p:last-child,
.section-head p,
.about-contact p,
.admin-preview p {
  color: var(--soft);
  line-height: 1.9;
}
.section-head { margin-bottom: 22px; }
.capability-grid,
.strategy-grid,
.advantage-grid,
.metric-grid {
  display: grid;
  gap: 16px;
}
.capability-grid,
.strategy-grid,
.advantage-grid { grid-template-columns: repeat(4, 1fr); }
.capability-card,
.strategy-grid article,
.advantage-grid article { padding: 28px; min-height: 220px; }
.capability-card span { color: var(--gold); font-weight: 950; }
.capability-card h3,
.strategy-grid h3,
.advantage-grid strong {
  display: block;
  margin: 22px 0 12px;
  color: #ffe2a0;
  font-size: 22px;
}
.capability-card p,
.strategy-grid p,
.advantage-grid p { color: var(--muted); line-height: 1.8; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; }
.download-card,
.version-history,
.performance,
.help { padding: 34px; }
.download-card h3 { color: #f5f8ff; font-size: 24px; }
.version-meta { margin: 24px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.version-meta div,
.metric-card,
.chart-grid article,
.steps article,
details,
.admin-modules article {
  border: 1px solid rgba(255,255,255,.11);
  background: rgba(0,0,0,.22);
  padding: 18px;
}
.version-meta dt,
.metric-card span,
.chart-grid span { color: var(--muted); font-size: 12px; }
.version-meta dd { margin: 8px 0 0; color: #fff0c2; font-weight: 900; }
.version-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,.12);
}
.version-row strong { display: block; color: #ffe0a0; font-size: 22px; }
.version-row span { display: block; color: var(--muted); margin-top: 8px; font-size: 13px; }
.version-row ul { margin: 0; padding-left: 18px; color: var(--soft); line-height: 1.85; }

.architecture {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(9, auto);
  gap: 9px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  padding: 22px;
}
.arch-node {
  min-width: 128px;
  text-align: center;
  padding: 14px 18px;
  background: rgba(232,192,119,.1);
  border: 1px solid rgba(232,192,119,.3);
  color: #ffe5a5;
  font-weight: 900;
}
.arch-arrow { color: var(--gold); font-weight: 950; transform: rotate(-90deg); }

.metric-grid { grid-template-columns: repeat(5, 1fr); margin-bottom: 16px; }
.metric-card { min-height: 128px; }
.metric-card strong { display: block; margin: 10px 0; color: #fff0c2; font-size: 30px; }
.metric-card small { color: #8de8ff; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-grid strong { display: block; color: #fff3cd; }
.chart-svg { width: 100%; height: 220px; margin-top: 12px; }
.chart-line { fill: none; stroke: var(--gold); stroke-width: 4; filter: drop-shadow(0 0 10px rgba(232,192,119,.45)); }
.risk-note { margin: 18px 0 0; color: #ffe0a0; border-left: 3px solid var(--gold); padding-left: 12px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.steps span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(232,192,119,.35);
  color: #ffe3a2;
  font-weight: 900;
}
.steps strong { display: block; margin: 16px 0 9px; color: #fff1c8; }
.steps p,
details p { color: var(--muted); line-height: 1.75; }
.faq { display: grid; gap: 10px; }
summary { cursor: pointer; color: #e5eefb; font-weight: 900; }
.timeline { padding: 12px 28px; }
.contact-card {
  border: 1px solid rgba(232,192,119,.28);
  background: rgba(232,192,119,.08);
  padding: 22px;
}
.contact-card span,
.contact-card small { display: block; color: var(--muted); }
.contact-card strong { display: block; margin: 8px 0; color: #fff0c2; font-size: 22px; }
.admin-modules { display: grid; gap: 12px; }
.admin-modules strong { display: block; color: #fff1c8; }
.admin-modules span { display: block; margin-top: 8px; color: var(--muted); line-height: 1.6; }

.loading { min-height: 60vh; display: grid; place-items: center; text-align: center; color: var(--muted); }
.loading span { width: 34px; height: 34px; border: 3px solid rgba(255,255,255,.12); border-top-color: var(--gold); border-radius: 50%; animation: spin 1s linear infinite; }
.site-footer {
  padding: 36px 0 42px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.site-footer strong { display: block; color: #fff0c2; font-size: 17px; }
.site-footer span { display: block; margin-top: 5px; }
.site-footer p { max-width: 680px; margin: 0; text-align: right; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1180px) {
  .site-header { height: auto; padding: 20px 0; grid-template-columns: 1fr; }
  .nav { justify-content: flex-start; gap: 20px; }
  .nav a { padding: 8px 0; }
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { padding-bottom: 10px; }
  .hero-panels { max-width: 720px; }
  .intro-band,
  .about-contact,
  .admin-preview,
  .split { grid-template-columns: 1fr; }
  .capability-grid,
  .strategy-grid,
  .advantage-grid,
  .steps { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .site-header,
  main,
  .site-footer { width: min(100% - 28px, 1440px); }
  .site-header { overflow: hidden; }
  .brand { width: 100%; }
  .brand small { letter-spacing: .18em; }
  .nav {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: 0 0 auto; }
  .header-actions { width: 100%; }
  .header-actions .btn { flex: 1 1 0; min-width: 0; padding-inline: 14px; }
  .hero { padding-top: 42px; }
  .hero h1 { font-size: clamp(42px, 14vw, 58px); }
  .hero h2 { letter-spacing: .12em; font-size: clamp(18px, 5.4vw, 23px); }
  .hero-lead { font-size: 15px; line-height: 1.85; }
  .btn.large { width: 100%; }
  .analytics-grid,
  .terminal-meta,
  .hero-values,
  .capability-grid,
  .strategy-grid,
  .advantage-grid,
  .metric-grid,
  .chart-grid,
  .steps { grid-template-columns: 1fr; }
  .analytics-grid div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .terminal-download-card { grid-template-columns: 1fr; }
  .terminal-meta { grid-column: 1; }
  .intro-band,
  .about-contact,
  .admin-preview,
  .download-card,
  .version-history,
  .performance,
  .help,
  .capability-card,
  .strategy-grid article,
  .advantage-grid article { padding: 22px; }
  .contact-card strong { font-size: clamp(16px, 4.6vw, 22px); overflow-wrap: anywhere; }
  .hero-values article { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .version-row { grid-template-columns: 1fr; }
  .architecture { grid-template-columns: 1fr; }
  .arch-arrow { transform: none; }
  .site-footer { flex-direction: column; }
  .site-footer p { text-align: left; }
}