.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + 62px);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 72% 28%, rgba(163, 48, 54, 0.07), transparent 36%),
    radial-gradient(ellipse at 18% 18%, rgba(148, 101, 47, 0.06), transparent 32%),
    var(--bg);
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: -15% -10%;
  background-image:
    linear-gradient(rgba(76, 52, 52, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 52, 52, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 55% 40%, #000 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(ellipse at 55% 40%, #000 0%, transparent 68%);
  transform: perspective(900px) rotateX(4deg);
}

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

.hero__orb--one {
  top: 10%;
  right: 3%;
  width: 360px;
  height: 360px;
  background: rgba(163, 48, 54, 0.13);
}

.hero__orb--two {
  bottom: 8%;
  left: -8%;
  width: 320px;
  height: 320px;
  background: rgba(148, 101, 47, 0.1);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 64px;
  align-items: center;
  padding-bottom: 90px;
}

.hero__content {
  padding-top: 30px;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(46px, 5.2vw, 82px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, #fff8f4 0%, #ecc3bf 58%, #a33036 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 580px;
  margin-top: 28px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-xs);
}

.hero__proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.proof-icon {
  position: relative;
  width: 13px;
  height: 13px;
  border: 1px solid rgba(163, 48, 54, 0.38);
  border-radius: 50%;
}

.proof-icon::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 4px;
  width: 3px;
  height: 5px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(40deg);
}

.hero__visual {
  position: relative;
  min-width: 0;
}

.terminal {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(76, 52, 52, 0.2);
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(20, 30, 43, 0.96), rgba(10, 15, 22, 0.98));
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.025) inset,
    0 0 90px rgba(163, 48, 54, 0.06);
  transform: perspective(1500px) rotateY(-3.5deg) rotateX(1.2deg) translateY(-4px);
  transform-origin: center;
  transition: transform 0.6s var(--ease);
}

.terminal:hover {
  transform: perspective(1500px) rotateY(-1.2deg) rotateX(0.4deg) translateY(-8px);
}

.terminal::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.045), transparent 28%, transparent 70%, rgba(163, 48, 54, 0.03));
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 42px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.window-dots {
  display: inline-flex;
  gap: 5px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(76, 52, 52, 0.22);
}

.window-dots i:first-child {
  background: rgba(255, 139, 155, 0.6);
}

.window-dots i:nth-child(2) {
  background: rgba(217, 182, 120, 0.6);
}

.window-dots i:last-child {
  background: rgba(163, 48, 54, 0.6);
}

.terminal__title {
  flex: 1;
}

.terminal__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid rgba(163, 48, 54, 0.18);
  border-radius: 999px;
  color: var(--accent);
  font-size: 10.5px;
}

.terminal__badge i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.terminal__layout {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  min-height: 420px;
}

.terminal__sidebar {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 8px;
  border-right: 1px solid var(--line);
  background: rgba(4, 8, 13, 0.28);
}

.terminal__side-brand {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin: 0 auto 14px;
  border: 1px solid rgba(163, 48, 54, 0.22);
  border-radius: 8px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.terminal__nav-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 8px;
  border-radius: 6px;
  color: var(--muted-2);
  font-size: 11px;
  white-space: nowrap;
}

.terminal__nav-item i {
  width: 4px;
  height: 4px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.terminal__nav-item.is-active {
  background: var(--accent-dim);
  color: var(--accent);
}

.terminal__nav-item.is-active i {
  background: currentColor;
}

.terminal__main {
  min-width: 0;
  padding: 20px 18px 16px;
}

.terminal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.terminal__crumb {
  display: block;
  margin-bottom: 5px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
}

.terminal__head h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.terminal__date {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.terminal__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.metric {
  display: flex;
  flex-direction: column;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.018);
}

.metric span {
  color: var(--muted);
  font-size: 11px;
}

.metric strong {
  margin-top: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.2;
}

.metric small {
  color: var(--muted-2);
  font-size: 10.5px;
}

.terminal-chart {
  margin-top: 12px;
  padding: 12px 13px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(255, 255, 255, 0.006));
}

.terminal-chart__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.terminal-chart__head span {
  display: block;
  color: var(--text-soft);
  font-size: var(--fs-micro);
}

.terminal-chart__head small {
  display: block;
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 10.5px;
}

.terminal-chart__range {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.chart-svg {
  width: 100%;
  height: 142px;
  margin-top: 10px;
  overflow: visible;
}

.chart-line--accent {
  stroke-dasharray: 1300;
  stroke-dashoffset: 1300;
}

.is-drawn .chart-line--accent {
  animation: draw-chart 1.8s var(--ease) forwards;
}

@keyframes draw-chart {
  to { stroke-dashoffset: 0; }
}

.terminal-chart__legend {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-2);
  font-size: 10.5px;
}

.terminal-chart__legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.terminal-chart__spacer {
  flex: 1;
}

.legend-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.legend-dot--accent {
  background: var(--accent);
}

.legend-dot--gold {
  background: var(--gold);
}

.terminal__lower {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8px;
  margin-top: 9px;
}

.terminal-risk,
.terminal-tasks {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.015);
}

.terminal-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: 11px;
}

.status-pill {
  padding: 2px 5px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
}

.status-pill--ok {
  background: rgba(163, 48, 54, 0.1);
  color: var(--accent);
}

.risk-row {
  display: grid;
  grid-template-columns: 56px 1fr 28px;
  align-items: center;
  gap: 7px;
  margin-top: 6px;
  color: var(--muted-2);
  font-size: 10.5px;
}

.risk-row b {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: right;
}

.risk-bar {
  display: block;
  height: 3px;
  border-radius: 999px;
  background: rgba(76, 52, 52, 0.12);
  overflow: hidden;
}

.risk-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(163, 48, 54, 0.45), var(--accent));
}

.risk-bar__fill--72 {
  width: 72%;
}

.risk-bar__fill--41 {
  width: 41%;
}

.terminal__tiny {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10px;
}

.task-row {
  display: grid;
  grid-template-columns: 5px 1fr auto;
  align-items: center;
  gap: 6px;
  margin-top: 7px;
  color: var(--muted-2);
  font-size: 10.5px;
}

.task-row i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.task-row b {
  color: var(--accent);
  font-size: 10px;
  font-weight: 500;
}

.hero__strip {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  padding-bottom: 26px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.hero__dimensions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 32px;
}

.hero__dimensions span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  letter-spacing: 0.08em;
}

.hero__dimensions b {
  color: var(--accent);
  font-weight: 400;
}

.platform {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 20% 40%, rgba(163, 48, 54, 0.045), transparent 32%),
    var(--bg-1);
}

.platform__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 76px;
  align-items: center;
}

.radar-wrap {
  position: relative;
}

.radar {
  position: relative;
  width: min(100%, 480px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.radar__svg {
  width: 100%;
  height: 100%;
}

.radar__shape {
  transition: opacity 0.3s ease, filter 0.3s ease;
}

.radar:hover .radar__shape {
  filter: drop-shadow(0 0 12px rgba(163, 48, 54, 0.22));
}

.radar__core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(163, 48, 54, 0.22);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(163, 48, 54, 0.1), rgba(7, 10, 15, 0.7) 68%);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 45px rgba(163, 48, 54, 0.08);
}

.radar__core strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.radar__core span {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
}

.radar-label {
  position: absolute;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 13, 19, 0.86);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.radar-label--research {
  top: 1%;
  left: 50%;
  transform: translateX(-50%);
}

.radar-label--backtest {
  top: 28%;
  right: -1%;
}

.radar-label--portfolio {
  right: 2%;
  bottom: 15%;
}

.radar-label--risk {
  left: 2%;
  bottom: 15%;
}

.radar-label--operations {
  top: 28%;
  left: -1%;
}

.radar-label.is-active {
  border-color: rgba(163, 48, 54, 0.42);
  background: rgba(163, 48, 54, 0.08);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(163, 48, 54, 0.08);
}

.radar-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

.radar-caption span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
}

.capabilities {
  border-top: 1px solid var(--line);
}

.capability {
  position: relative;
  padding: 25px 4px 24px;
  border-bottom: 1px solid var(--line);
  outline: none;
  transition: padding 0.3s var(--ease), background 0.3s ease;
}

.capability::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -24px;
  width: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.capability:hover,
.capability:focus-visible,
.capability.is-active {
  padding-left: 18px;
  background: linear-gradient(90deg, rgba(163, 48, 54, 0.045), transparent 70%);
}

.capability:hover::before,
.capability:focus-visible::before,
.capability.is-active::before {
  opacity: 1;
}

.capability__top {
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.capability__num {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.capability h3 {
  font-size: 22px;
  font-weight: 550;
  letter-spacing: -0.02em;
}

.capability__en {
  margin-left: auto;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.15em;
}

.capability > p {
  max-width: 640px;
  margin-top: 9px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.capability__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 13px;
}

.capability__tags span {
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
}

.platform__note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
}

.platform__note span {
  color: var(--text-soft);
}

.platform__note i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.platform__note p {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0;
  text-align: right;
}

.quant-data {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 82% 24%, rgba(163, 48, 54, 0.05), transparent 32%),
    radial-gradient(ellipse at 8% 78%, rgba(148, 101, 47, 0.035), transparent 26%),
    var(--bg);
}

.quant-board {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  box-shadow: 0 36px 90px -58px rgba(0, 0, 0, 0.58);
}

.quant-board::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  width: 108px;
  height: 1px;
  background: var(--accent);
}

.quant-board__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.quant-board__identity {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.quant-board__identity strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 550;
  letter-spacing: -0.01em;
}

.quant-board__tag {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 1px solid var(--line);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.11em;
}

.quant-board__status {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.quant-demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid rgba(163, 48, 54, 0.2);
  border-radius: 999px;
  background: rgba(163, 48, 54, 0.065);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

.quant-demo-badge i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(163, 48, 54, 0.08);
}

.quant-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.48fr) minmax(288px, 0.72fr);
  gap: 16px;
  align-items: stretch;
  padding: 18px;
}

.quant-chart-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.quant-chart-card:hover {
  border-color: rgba(163, 48, 54, 0.24);
}

.quant-chart-card--main {
  display: flex;
  flex-direction: column;
}

.quant-chart-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.quant-chart-card__kicker {
  display: block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.quant-chart-card__head h3 {
  margin-top: 5px;
  color: var(--text);
  font-size: 19px;
  font-weight: 550;
  letter-spacing: -0.025em;
}

.quant-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 14px;
  padding-top: 3px;
  color: var(--muted);
  font-size: var(--fs-micro);
}

.quant-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.quant-legend__line {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
}

.quant-legend__line--accent {
  background: var(--accent);
}

.quant-legend__line--gold {
  background: repeating-linear-gradient(90deg, var(--gold) 0 4px, transparent 4px 7px);
}

.quant-chip {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.quant-chart {
  position: relative;
  min-width: 0;
}

.quant-chart--main {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 260px;
  margin-top: 16px;
}

.quant-chart--compact {
  margin-top: 12px;
}

.quant-chart__svg {
  display: block;
  width: 100%;
  overflow: visible;
}

.quant-chart--main .quant-chart__svg {
  flex: 1;
  min-height: 0;
}

.quant-chart--compact .quant-chart__svg {
  height: 104px;
}

.quant-chart__grid path { fill: none; }

.quant-grid-line {
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.quant-grid-line--vertical {
  opacity: 0.72;
}

.quant-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.quant-line--accent {
  stroke: var(--accent);
  stroke-width: 2;
}

.quant-line--benchmark {
  stroke: var(--gold);
  stroke-width: 1.2;
  stroke-dasharray: 4 5;
  opacity: 0.74;
}

.quant-line--danger {
  stroke: var(--accent);
  stroke-width: 1.8;
}

.quant-area {
  opacity: 0;
}

.quant-drawdown-area {
  fill: rgba(163, 48, 54, 0.075);
  opacity: 0;
}

.quant-baseline {
  fill: none;
  stroke: var(--line-strong);
  stroke-dasharray: 3 4;
  vector-effect: non-scaling-stroke;
}

.quant-factor-line {
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.quant-factor-line--1 {
  stroke: var(--muted-2);
  opacity: 0.48;
}

.quant-factor-line--2 {
  stroke: var(--muted);
  opacity: 0.58;
}

.quant-factor-line--3 {
  stroke: var(--gold);
  opacity: 0.72;
}

.quant-factor-line--4 {
  stroke: var(--accent-soft);
  opacity: 0.8;
}

.quant-factor-line--5 {
  stroke: var(--accent);
  stroke-width: 2;
}

.quant-endpoint {
  fill: var(--accent);
}

.quant-endpoint-halo {
  fill: var(--accent);
  opacity: 0.12;
}

.quant-line--draw {
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
}

.quant-board.is-visible .quant-line--draw {
  animation: quant-draw 1.65s var(--ease) 0.18s forwards;
}

.quant-board.is-visible .quant-area {
  animation: quant-area-in 0.9s ease 0.52s forwards;
}

.quant-board.is-visible .quant-drawdown-area {
  animation: quant-area-in 0.9s ease 0.52s forwards;
}

@keyframes quant-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes quant-area-in {
  to { opacity: 1; }
}

.quant-chart__axis {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.quant-chart__axis--compact {
  padding-top: 5px;
  font-size: 10px;
}

.quant-factor-legend {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-top: 5px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10px;
}

.quant-metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.quant-metric {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.quant-metric span {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
}

.quant-metric strong {
  margin-top: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
}

.quant-metric small {
  color: var(--muted);
  font-size: var(--fs-micro);
}

.quant-side {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}

.quant-side .quant-chart-card {
  display: flex;
  flex-direction: column;
}

.quant-chart-card__note {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.65;
}

.quant-board__foot {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
}

.quant-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.quant-sources span {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  letter-spacing: 0.02em;
}

.quant-board__foot p {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0;
}

.solutions {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.solution-card {
  position: relative;
  min-height: 310px;
  padding: 30px 30px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 55%),
    var(--bg-1);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s var(--ease), background 0.3s ease;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30px;
  width: 64px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.solution-card:hover {
  border-color: rgba(163, 48, 54, 0.26);
  background:
    linear-gradient(145deg, rgba(163, 48, 54, 0.05), transparent 55%),
    var(--bg-1);
  transform: translateY(-3px);
}

.solution-card:hover::before {
  transform: scaleX(1);
}

.solution-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.solution-card__top span:first-child {
  color: var(--accent);
}

.solution-card h3 {
  margin-top: 44px;
  font-size: 30px;
  font-weight: 550;
  letter-spacing: 0;
}

.solution-card > p {
  max-width: 460px;
  margin-top: 12px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.8;
}

.solution-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.solution-card li {
  position: relative;
  padding-left: 12px;
  color: var(--text-soft);
  font-size: var(--fs-xs);
}

.solution-card li::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

.solutions__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.solutions__footer p {
  color: var(--muted);
  font-size: var(--fs-body);
}

.architecture {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 72% 45%, rgba(163, 48, 54, 0.045), transparent 34%),
    var(--bg-1);
}

.architecture__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 44px;
  align-items: stretch;
}

.arch-diagram {
  position: relative;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(18, 27, 39, 0.86), rgba(9, 13, 19, 0.94));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.22);
}

.arch-diagram__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.arch-diagram__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}

.arch-diagram__status i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.arch-diagram__body {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
}

.arch-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  border-right: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.arch-rail span {
  padding: 4px 2px;
  writing-mode: vertical-rl;
}

.arch-layers {
  display: flex;
  flex-direction: column;
}

.arch-layer {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.arch-layer:hover {
  border-color: rgba(163, 48, 54, 0.28);
  background: rgba(163, 48, 54, 0.04);
}

.arch-layer > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.arch-layer strong {
  display: block;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 550;
}

.arch-layer small {
  display: block;
  margin-top: 2px;
  color: var(--muted-2);
  font-size: var(--fs-micro);
}

.arch-layer > b {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.arch-arrow {
  display: grid;
  place-items: center;
  height: 14px;
}

.arch-arrow span {
  position: relative;
  width: 1px;
  height: 100%;
  background: var(--line-strong);
}

.arch-arrow span::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -2px;
  width: 4px;
  height: 4px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(45deg);
  opacity: 0.7;
}

.arch-diagram__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
}

.security-panel {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(18, 27, 39, 0.78), rgba(10, 15, 22, 0.92));
}

.security-panel__head > span,
.service-panel__head > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
}

.security-panel__head h3,
.service-panel__head h3 {
  margin-top: 14px;
  font-size: 29px;
  line-height: 1.15;
  font-weight: 550;
  letter-spacing: 0;
}

.security-list {
  margin-top: 26px;
}

.security-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.security-list li > span {
  padding-top: 2px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.security-list strong {
  display: block;
  color: var(--text-soft);
  font-size: var(--fs-body);
  font-weight: 550;
}

.security-list p {
  margin-top: 3px;
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.7;
}

.deployment {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.deployment__label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.deployment__options {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.deployment__options span {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: var(--fs-micro);
}

.delivery {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.delivery__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 84px;
  align-items: start;
}

.timeline {
  padding-top: 2px;
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 30px;
}

.timeline li:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 44px;
  bottom: 0;
  left: 21px;
  width: 1px;
  background: var(--line-strong);
}

.timeline__num {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.timeline h3 {
  padding-top: 7px;
  font-size: 20px;
  font-weight: 550;
  letter-spacing: -0.02em;
}

.timeline p {
  margin-top: 5px;
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.service-panel {
  position: sticky;
  top: 104px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(163, 48, 54, 0.045), transparent 36%),
    var(--bg-1);
}

.service-panel__head > p {
  max-width: 320px;
  margin-top: 12px;
  color: var(--muted);
  font-size: var(--fs-sm);
}

.service-list {
  margin-top: 28px;
}

.service-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.service-item > span {
  padding-top: 2px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.service-item strong {
  display: block;
  color: var(--text-soft);
  font-size: var(--fs-body);
  font-weight: 550;
}

.service-item small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: var(--fs-xs);
}

.service-panel .text-link {
  margin-top: 26px;
}

.section--paper {
  --bg: #eef1f5;
  --bg-1: #eef1f5;
  --surface: #dfe4e9;
  --line: rgba(17, 24, 32, 0.13);
  --line-strong: rgba(17, 24, 32, 0.24);
  --text: #111820;
  --text-soft: #2d3742;
  --muted: #65707d;
  --muted-2: #8a929c;
  --accent: #8f2a31;
  --accent-soft: #b34a4e;
  --accent-dim: rgba(163, 48, 54, 0.08);
  --gold: #8b6d34;
  color: var(--text);
  background: var(--paper);
}

.section--paper .section-kicker {
  color: var(--muted);
}

.section--paper .section-kicker::after {
  background: var(--line-strong);
}

.about {
  overflow: hidden;
}

.about::before {
  content: '5D';
  position: absolute;
  right: -2%;
  bottom: -18%;
  color: rgba(17, 24, 32, 0.035);
  font-family: var(--font-mono);
  font-size: 42vw;
  line-height: 1;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.about__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 100px;
  align-items: center;
}

.about__mark {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 490px;
  padding-top: 10px;
}

.about__index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
}

.about__big {
  margin-top: 30px;
  color: var(--paper-ink);
  font-size: clamp(82px, 10vw, 146px);
  font-weight: 650;
  /* 中文大字不能用拉丁文的紧行高与负字距：0.86 行高会让上下两行墨迹相撞，
     负字距会让相邻汉字互相咬合，因此行高 1.04、字距归零 */
  line-height: 1.04;
  letter-spacing: 0.04em;
}

.about__mark > p {
  margin-top: 34px;
  margin-bottom: 24px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 印章改为文档流内布局：脱离 absolute 定位，避免与上方文字重叠 */
.about__seal {
  position: relative;
  bottom: auto;
  left: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 154px;
  height: 154px;
  margin-top: auto;
  margin-left: -10px;
  border: 1px solid rgba(17, 24, 32, 0.28);
  border-radius: 50%;
  color: var(--paper-ink);
  transform: rotate(-8deg);
}

.about__seal::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1px dashed rgba(17, 24, 32, 0.2);
  border-radius: 50%;
}

.about__seal span {
  font-size: var(--fs-micro);
}

.about__seal strong {
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0.12em;
}

.about__seal small {
  max-width: 74%;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-align: center;
}

.about__copy h2 {
  font-size: var(--fs-section-title);
  line-height: var(--lh-section-title);
  letter-spacing: 0;
}

.about__lead {
  margin-top: 28px;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.8;
}

.about__copy > p:not(.about__lead):not(.about__note) {
  margin-top: 18px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.85;
}

.about__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 38px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.about__facts div > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
}

.about__facts strong {
  display: block;
  margin-top: 8px;
  color: var(--text);
  font-size: var(--fs-body);
  font-weight: 600;
}

.about__facts p {
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.7;
}

.about__rule {
  height: 1px;
  margin-top: 34px;
  background: var(--line);
}

.about__note {
  margin-top: 16px;
  color: var(--muted-2);
  font-size: var(--fs-micro);
  line-height: 1.7;
}

.copyright {
  overflow: hidden;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 84% 18%, rgba(163, 48, 54, 0.075), transparent 30%),
    radial-gradient(ellipse at 10% 88%, rgba(148, 101, 47, 0.05), transparent 28%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%);
}

.copyright::before {
  content: '08';
  position: absolute;
  right: -2%;
  bottom: -19%;
  color: rgba(163, 48, 54, 0.035);
  font-family: var(--font-mono);
  font-size: 35vw;
  line-height: 1;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.copyright .container {
  position: relative;
  z-index: 1;
}

.copyright__heading {
  margin-bottom: 48px;
}

.copyright__heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
  gap: 62px;
  align-items: end;
}

.copyright__heading h2 {
  max-width: 760px;
  font-size: var(--fs-section-title);
  line-height: var(--lh-section-title);
  letter-spacing: -0.05em;
}

.copyright__heading-row > p {
  max-width: 430px;
  padding-bottom: 7px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.9;
}

.copyright__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.96fr);
  gap: 72px;
  align-items: center;
}

.copyright__copy {
  min-width: 0;
}

.copyright__statement {
  padding-left: 24px;
  border-left: 2px solid var(--accent);
}

.copyright__overline {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
}

.copyright__statement h3 {
  margin-top: 13px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.copyright__statement p {
  margin-top: 15px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.9;
}

.copyright__points {
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.copyright__point {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 15px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.copyright__point > span {
  padding-top: 2px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.copyright__point strong {
  display: block;
  color: var(--text);
  font-size: var(--fs-body);
  font-weight: 650;
}

.copyright__point p {
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.copyright__note {
  margin-top: 22px;
  padding-left: 15px;
  border-left: 1px solid var(--line-strong);
  color: var(--muted-2);
  font-size: var(--fs-xs);
  line-height: 1.8;
}

.certificate {
  position: relative;
  width: 100%;
  max-width: 500px;
  justify-self: end;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 24px 60px -46px rgba(19, 23, 28, 0.45);
}

.certificate__paper {
  position: relative;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 6px;
  background: #ffffff;
}

.certificate__foot {
  padding: 14px 2px 0;
}

.certificate__foot p {
  max-width: 430px;
  color: var(--muted);
  font-size: var(--fs-xs);
  line-height: 1.75;
}

.certificate__image {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
}

.demo {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 18% 78%, rgba(163, 48, 54, 0.06), transparent 36%),
    radial-gradient(ellipse at 88% 16%, rgba(148, 101, 47, 0.06), transparent 30%),
    var(--bg);
}

.demo__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 82px;
  align-items: start;
}

.demo__copy h2 {
  margin-top: 0;
  font-size: var(--fs-section-title);
  line-height: var(--lh-section-title);
  letter-spacing: -0.055em;
}

.demo__copy > p {
  max-width: 470px;
  margin-top: 24px;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.85;
}

.demo__topics {
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.demo__topics > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.demo__topics ul {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.demo__topics li {
  position: relative;
  padding-left: 15px;
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.demo__topics li::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.demo__contact {
  margin-top: 32px;
  padding: 16px 18px;
  border-left: 1px solid var(--accent);
  background: linear-gradient(90deg, rgba(163, 48, 54, 0.055), transparent);
}

.demo__contact span {
  display: block;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
}

.demo__contact strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: var(--fs-body);
  font-weight: 550;
}

.demo-form {
  position: relative;
  padding: 31px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(18, 27, 39, 0.9), rgba(9, 13, 19, 0.96));
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.28);
}

.demo-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 31px;
  width: 96px;
  height: 1px;
  background: var(--accent);
}

.demo-form__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.demo-form__head span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
}

.demo-form__head p {
  color: var(--muted-2);
  font-size: var(--fs-micro);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field > span {
  color: var(--muted);
  font-size: var(--fs-xs);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.022);
  color: var(--text);
  font-size: var(--fs-sm);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.field input,
.field select {
  height: 44px;
  padding: 0 13px;
}

.field textarea {
  padding: 11px 13px;
  resize: vertical;
  min-height: 92px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--muted-2);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(163, 48, 54, 0.55);
  background: rgba(163, 48, 54, 0.035);
  box-shadow: 0 0 0 3px rgba(163, 48, 54, 0.07);
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2212%22 height=%2212%22 viewBox=%220 0 12 12%22%3E%3Cpath d=%22M3 5l3 3 3-3%22 fill=%22none%22 stroke=%22%238592a6%22 stroke-width=%221%22 stroke-linecap=%22round%22/%3E%3C/svg%3E');
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 34px;
}

.field select option {
  background: #0f1620;
  color: var(--text);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 18px;
  min-height: 44px;
  padding: 4px 0;
  color: var(--muted-2);
  font-size: var(--fs-micro);
  line-height: 1.7;
  cursor: pointer;
}

.form-consent input {
  flex: 0 0 auto;
  margin-top: 2px;
  accent-color: var(--accent);
}

.demo-form .btn {
  margin-top: 18px;
}

.form-status {
  min-height: 16px;
  margin-top: 10px;
  color: var(--accent);
  font-size: var(--fs-xs);
}

.form-note {
  color: var(--muted-2);
  font-size: var(--fs-micro);
  line-height: 1.6;
}

.mobile-cta {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 80;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px 10px 16px;
  border: 1px solid rgba(76, 52, 52, 0.2);
  border-radius: 14px;
  background: rgba(10, 15, 22, 0.94);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mobile-cta div {
  display: flex;
  flex-direction: column;
}

.mobile-cta span {
  color: var(--muted-2);
  font-size: 11px;
}

.mobile-cta strong {
  color: var(--text);
  font-size: var(--fs-xs);
  font-weight: 550;
}

.mobile-cta .btn {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 14px;
  font-size: var(--fs-xs);
}

@media (prefers-reduced-motion: reduce) {
  .quant-line--draw {
    stroke-dashoffset: 0;
    animation: none !important;
  }

  .quant-area,
  .quant-drawdown-area {
    opacity: 1;
    animation: none !important;
  }
}