:root {
  color-scheme: dark;
  --bg: #070707;
  --bg-soft: #0f0f10;
  --bg-raised: rgba(17, 17, 18, 0.92);
  --panel: rgba(16, 16, 17, 0.88);
  --panel-strong: rgba(20, 20, 21, 0.96);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4eee9;
  --text-soft: #a79d98;
  --text-faint: #746c68;
  --accent: #c61d25;
  --accent-deep: #7a0f14;
  --accent-soft: rgba(198, 29, 37, 0.14);
  --accent-line: rgba(198, 29, 37, 0.4);
  --max-width: 1240px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --header-height: 88px;
  --transition: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-soft: 0 22px 60px rgba(0, 0, 0, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Onest", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 85% 12%, rgba(198, 29, 37, 0.2), transparent 30%),
    radial-gradient(circle at 16% 84%, rgba(198, 29, 37, 0.09), transparent 34%),
    linear-gradient(180deg, #070707 0%, #090909 48%, #070707 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.ambient,
.grid-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
}

.ambient {
  margin: auto;
  width: 42rem;
  height: 42rem;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.45;
  animation: ambient-drift 18s ease-in-out infinite;
}

.ambient-one {
  top: -24rem;
  right: -12rem;
  background: radial-gradient(circle, rgba(198, 29, 37, 0.22), transparent 68%);
}

.ambient-two {
  bottom: -28rem;
  left: -18rem;
  background: radial-gradient(circle, rgba(198, 29, 37, 0.14), transparent 70%);
  animation-duration: 22s;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 36%, transparent 86%);
  opacity: 0.24;
}

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

.main-shell,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  isolation: isolate;
  backdrop-filter: blur(18px);
  transition: background-color var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(7, 7, 7, 0.84);
  border-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-height);
}

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

.brand-mark,
.footer-mark {
  width: 52px;
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(198, 29, 37, 0.18));
}

.brand-copy,
.footer-brand div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.brand-meta,
.footer-brand p {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.header-language {
  display: inline-flex;
  align-items: center;
}

.site-nav a,
.footer-links a {
  color: var(--text-soft);
  font-size: 0.96rem;
  transition: color var(--transition);
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

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

.button:active {
  transform: scale(0.98);
}

.button-primary {
  background: linear-gradient(180deg, rgba(198, 29, 37, 0.98), rgba(143, 16, 24, 0.98));
  color: #fff7f4;
  border-color: rgba(255, 255, 255, 0.06);
}

.button-primary:hover {
  background: linear-gradient(180deg, rgba(216, 40, 48, 0.98), rgba(150, 18, 26, 0.98));
}

.button-secondary,
.button-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.01);
  color: var(--text);
}

.button-secondary:hover,
.button-ghost:hover {
  border-color: var(--accent-line);
  background: rgba(198, 29, 37, 0.08);
}

.hero {
  min-height: calc(100dvh - 12px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: start;
  gap: 52px;
  padding-top: 8px;
  padding-bottom: 40px;
}

.hero-copy {
  padding-top: 4px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #d2c9c4;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, rgba(198, 29, 37, 0.95), transparent);
}

.hero h1,
.section-head h2,
.cta-copy h2 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 0.96;
  font-weight: 800;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3.8rem, 7vw, 7.1rem);
}

.offer-badge {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 8px 14px;
  border: 1px solid rgba(198, 29, 37, 0.38);
  border-radius: 999px;
  background: rgba(198, 29, 37, 0.18);
  color: #fff0ec;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 1px rgba(198, 29, 37, 0.08);
  animation: offer-badge-pulse 2.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.offer-badge::after {
  content: "";
  position: absolute;
  inset: -12px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(198, 29, 37, 0.24), transparent 68%);
  opacity: 0;
  transform: scale(0.92);
  animation: offer-badge-halo 2.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  pointer-events: none;
}

.offer-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #ff4d57;
  box-shadow: 0 0 0 6px rgba(255, 77, 87, 0.12);
  animation: offer-badge-dot 2.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.hero-lead,
.section-head p,
.panel p,
.workflow-step p,
.scenario-large p,
.scenario-card p,
.faq-answer p,
.cta-copy p {
  color: var(--text-soft);
}

.hero-lead {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 38px 0 0;
}

.hero-facts div {
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.018);
}

.hero-facts dt {
  margin: 0 0 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.45;
}

.hero-visual {
  display: grid;
  gap: 18px;
  padding-top: 0;
}

[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-frame,
.panel,
.console,
.scenario-large,
.scenario-card,
.cta-panel,
.floating-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.hero-frame {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 24px;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.frame-toolbar,
.frame-footer,
.frame-grid {
  position: relative;
  z-index: 1;
}

.frame-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.toolbar-state,
.toolbar-chip,
.micro-label,
.panel-index,
.console-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toolbar-state,
.toolbar-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: #d6cdca;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(198, 29, 37, 0.08);
  animation: pulse-dot 2.6s ease-in-out infinite;
}

.frame-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 20px;
}

.frame-grid-profile {
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 0;
}

.control-column {
  display: grid;
  gap: 14px;
}

.mini-block {
  min-height: 122px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.mini-block p,
.footer-metric span,
.control-matrix span,
.workflow-step span,
.scenario-tags span,
.form-note {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.mini-block strong,
.footer-metric strong,
.control-matrix strong {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--text);
}

.frame-footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.profile-panel {
  display: grid;
  grid-template-rows: auto auto 72px auto;
  gap: 12px;
  min-height: 0;
  padding: 4px 0 0;
}

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

.profile-head h3,
.protection-copy h3 {
  margin: 10px 0 0;
  font-size: 1.42rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-pill.is-inactive {
  border-color: rgba(198, 29, 37, 0.32);
  background: rgba(198, 29, 37, 0.12);
  color: #ffd7d3;
}

.status-pill.is-active {
  border-color: rgba(61, 220, 132, 0.32);
  background: rgba(61, 220, 132, 0.12);
  color: #d8ffe9;
}

.status-dot.is-active {
  background: #3ddc84;
  box-shadow: 0 0 0 8px rgba(61, 220, 132, 0.08);
}

.profile-console {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.console-row {
  display: grid;
  grid-template-columns: minmax(108px, 132px) minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  min-height: 42px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.console-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.console-key,
.console-value {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.35;
}

.console-key {
  color: var(--text-faint);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.console-value {
  color: var(--text);
  font-weight: 500;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.profile-alert {
  margin: 0;
  padding: 13px 14px;
  min-height: 72px;
  border-radius: 16px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.93rem;
  line-height: 1.42;
}

.profile-alert.is-inactive {
  border-color: rgba(198, 29, 37, 0.24);
  background: rgba(198, 29, 37, 0.09);
}

.profile-alert.is-active {
  border-color: rgba(61, 220, 132, 0.22);
  background: rgba(61, 220, 132, 0.09);
  color: #dff9ea;
}

.vpn-toggle {
  width: 100%;
}

.hero-frame.is-protected .profile-panel,
.hero-frame.is-protected .profile-console {
  border-color: rgba(61, 220, 132, 0.18);
}

.hero-frame.is-protected .toolbar-chip {
  border-color: rgba(61, 220, 132, 0.22);
  color: #d9ffea;
}

.footer-metric {
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.hero-sidecards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.floating-card {
  position: relative;
  width: 100%;
  padding: 18px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(198, 29, 37, 0.08), rgba(255, 255, 255, 0.01)),
    rgba(11, 11, 12, 0.9);
}

.floating-card-top {
  inset: auto;
}

.floating-card-bottom {
  inset: auto;
}

.floating-card p {
  margin: 12px 0 0;
  color: var(--text-soft);
}

.floating-card .device-pill-row {
  margin-top: 14px;
}

.device-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.device-pill-row span,
.route-tags span,
.scenario-tags span,
.device-rack span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: #efe7e2;
}

.section {
  padding: 42px 0 128px;
}

.section-break {
  padding-top: 0;
  padding-bottom: 64px;
}

.strip {
  display: grid;
  gap: 24px;
}

.strip p {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.strip-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(198, 29, 37, 0.55), rgba(255, 255, 255, 0.06));
}

.section-head {
  display: grid;
  gap: 18px;
  max-width: 58rem;
  margin-bottom: 42px;
}

.section-head h2,
.cta-copy h2 {
  font-size: clamp(2.5rem, 4.6vw, 4.6rem);
}

.section-head p,
.cta-copy p {
  max-width: 60ch;
  margin: 0;
  font-size: 1.02rem;
}

.pricing-shell .section-head {
  max-width: 44rem;
  gap: 12px;
}

.pricing-shell .section-head h2 {
  max-width: 10ch;
  font-size: clamp(2.05rem, 3.8vw, 3.25rem);
}

.pricing-shell .section-head p {
  max-width: 44ch;
  font-size: 0.96rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.16fr) minmax(0, 0.92fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.pricing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(198, 29, 37, 0.1), transparent 34%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.pricing-card:hover {
  border-color: rgba(198, 29, 37, 0.28);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
}

.pricing-card:hover::before {
  opacity: 1;
}

.pricing-card h3 {
  margin: 0;
  font-size: 1.58rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.pricing-tier,
.pricing-list li {
  font-family: "IBM Plex Mono", monospace;
}

.pricing-tier {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pricing-price {
  display: flex;
  align-items: end;
  gap: 10px;
}

.pricing-price strong {
  font-size: clamp(2.2rem, 4vw, 3.3rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

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

.pricing-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pricing-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #eee4df;
  font-size: 0.9rem;
}

.pricing-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(198, 29, 37, 0.92);
  flex: 0 0 auto;
}

.pricing-note {
  margin: 0;
  color: var(--text-soft);
}

.pricing-card .button {
  width: 100%;
}

.pricing-card-featured {
  border-color: rgba(198, 29, 37, 0.34);
  background:
    radial-gradient(circle at top right, rgba(198, 29, 37, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel-strong);
}

.devices-shell .section-head {
  max-width: 36rem;
  gap: 12px;
}

.device-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

.platform-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-soft);
}

.platform-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(198, 29, 37, 0.12), transparent 34%);
  pointer-events: none;
}

.platform-card {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 14px;
  aspect-ratio: 1 / 0.72;
  min-height: 0;
  padding: 20px 16px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel);
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border-radius: 18px;
  border: 1px solid rgba(198, 29, 37, 0.24);
  background:
    linear-gradient(180deg, rgba(198, 29, 37, 0.14), rgba(255, 255, 255, 0.03)),
    rgba(198, 29, 37, 0.06);
  color: #f8e9e5;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.platform-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(95%) sepia(17%) saturate(210%) hue-rotate(315deg) brightness(102%) contrast(94%);
}

.platform-icon .platform-icon-image.is-macos {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  filter: none;
}

.footer-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.platform-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  grid-template-areas:
    "route quiet"
    "route control"
    "devices presence";
  gap: 20px;
}

.panel {
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 28px;
}

.panel h3,
.scenario-large h3,
.scenario-card h3,
.workflow-step h3 {
  margin: 14px 0 12px;
  font-size: 1.5rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.panel p,
.scenario-large p,
.scenario-card p {
  margin: 0;
}

.panel-route {
  grid-area: route;
  min-height: 420px;
}

.route-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.route-lane {
  position: relative;
  min-height: 160px;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at center, rgba(198, 29, 37, 0.08), transparent 32%),
    rgba(255, 255, 255, 0.02);
}

.lane-path {
  position: absolute;
  left: 16%;
  right: 16%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(198, 29, 37, 0.85), rgba(255, 255, 255, 0.1));
  transform: translateY(-50%);
}

.lane-path::after {
  content: "";
  position: absolute;
  inset: -3px auto -3px 0;
  width: 24%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: lane-sweep 3.4s ease-in-out infinite;
}

.lane-point {
  position: absolute;
  top: 50%;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(12, 12, 13, 0.92);
  transform: translateY(-50%);
}

.lane-point-start {
  left: 18px;
}

.lane-point-end {
  right: 18px;
  border-color: rgba(198, 29, 37, 0.38);
  color: #fff1ee;
}

.panel-quiet {
  grid-area: quiet;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
}

.quiet-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.quiet-list li {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.quiet-list strong {
  font-size: 1rem;
  font-weight: 600;
}

.panel-control {
  grid-area: control;
  min-height: 258px;
}

.control-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.control-matrix div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.panel-devices {
  grid-area: devices;
  min-height: 258px;
}

.device-rack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 18px;
}

.panel-presence {
  grid-area: presence;
  display: grid;
  align-items: end;
  min-height: 258px;
  background:
    radial-gradient(circle at 86% 16%, rgba(198, 29, 37, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel-strong);
}

.presence-quote {
  margin: 28px 0 0;
  max-width: 18ch;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.workflow-shell {
  padding: 42px 0 0;
}

.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 22px;
}

.workflow-list {
  display: grid;
  gap: 20px;
}

.workflow-step {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.workflow-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.workflow-number {
  color: #e8ddd8;
}

.workflow-step h3 {
  margin-top: 0;
}

.workflow-step p {
  margin: 0;
}

.workflow-step a,
.footer-column a {
  color: #f2e8e3;
  transition: color var(--transition), border-color var(--transition);
}

.workflow-step a:hover,
.footer-column a:hover {
  color: #ffffff;
}

code {
  padding: 0.16rem 0.38rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92em;
}

.console {
  overflow: hidden;
  border-radius: 26px;
}

.console-bar {
  display: flex;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.console-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.console-body {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  padding: 24px;
}

.console-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.console-label {
  color: var(--text-faint);
}

.console-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.console-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.console-list li span {
  color: var(--text-soft);
}

.console-list strong {
  font-size: 0.96rem;
  font-weight: 600;
}

.steps-shell .section-head {
  max-width: 42rem;
}

.steps-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 70px minmax(0, 1fr) 70px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  max-width: 1140px;
}

.step-card {
  position: relative;
  display: grid;
  gap: 12px;
  min-height: 188px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(198, 29, 37, 0.09), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel);
  box-shadow: var(--shadow-soft);
}

.step-index {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.step-card h3 {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.step-card p {
  margin: 0;
  color: var(--text-soft);
}

.step-card a {
  color: #f2e8e3;
}

.step-card a:hover {
  color: #ffffff;
}

.step-button {
  width: fit-content;
  min-height: 40px;
  padding: 0 16px;
  margin-top: 4px;
}

.step-link {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(198, 29, 37, 0.85));
}

.step-link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -2px;
  width: 12px;
  height: 12px;
  border-top: 1px solid rgba(198, 29, 37, 0.9);
  border-right: 1px solid rgba(198, 29, 37, 0.9);
  transform: translateY(-50%) rotate(45deg);
}

.console-log {
  background:
    radial-gradient(circle at top right, rgba(198, 29, 37, 0.08), transparent 32%),
    rgba(255, 255, 255, 0.02);
}

.log-line {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  line-height: 1.8;
  color: #c8bfbb;
}

.log-line.is-accent {
  color: #fff1ec;
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  grid-template-areas:
    "large travel"
    "large work";
  gap: 20px;
}

.scenario-large,
.scenario-card {
  border-radius: 26px;
  padding: 28px;
}

.scenario-large {
  grid-area: large;
  min-height: 360px;
  display: grid;
  align-content: end;
  background:
    linear-gradient(180deg, rgba(198, 29, 37, 0.05), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--panel);
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.scenario-card {
  min-height: 170px;
}

.scenario-travel {
  grid-area: travel;
}

.scenario-work {
  grid-area: work;
}

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  border: 0;
  background: none;
  text-align: left;
}

.faq-question span:first-child {
  font-size: 1.08rem;
}

.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 18px;
  height: 1px;
  background: #e8ddd8;
  transform: translate(-50%, -50%);
  transition: transform var(--transition), opacity var(--transition);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleX(0);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition);
}

.faq-answer p {
  margin: 0;
  overflow: hidden;
  padding: 0 0 0;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding: 0 0 24px;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
  gap: 24px;
  align-items: start;
  padding: 34px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 100% 0%, rgba(198, 29, 37, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0)),
    var(--panel-strong);
}

.cta-form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.02);
}

.form-label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.96rem;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.field-input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(7, 7, 7, 0.72);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), background-color var(--transition);
}

.field-input::placeholder {
  color: var(--text-faint);
}

.field-input:focus {
  border-color: rgba(198, 29, 37, 0.6);
  background: rgba(7, 7, 7, 0.88);
}

.form-note {
  margin: 14px 0 0;
}

.form-feedback {
  min-height: 24px;
  margin: 12px 0 0;
  color: #f0d6d2;
}

.site-footer {
  padding: 0 0 42px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 32px;
  align-items: start;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  font-size: 0.98rem;
  letter-spacing: 0.1em;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-column a {
  color: var(--text-soft);
  font-size: 0.96rem;
}

.footer-column a:hover {
  color: var(--text);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.header-language .language-switcher {
  gap: 6px;
  flex-wrap: nowrap;
}

.lang-toggle {
  min-width: 54px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-soft);
  font-family: "IBM Plex Mono", "Microsoft YaHei", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.lang-toggle:hover {
  border-color: rgba(198, 29, 37, 0.38);
  color: var(--text);
}

.lang-toggle:active {
  transform: scale(0.98);
}

.lang-toggle.is-active {
  border-color: rgba(198, 29, 37, 0.5);
  background: rgba(198, 29, 37, 0.14);
  color: #fff3ee;
}

.header-language .lang-toggle {
  min-width: 44px;
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.72rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 720ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 720ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(198, 29, 37, 0.72);
  outline-offset: 3px;
}

@keyframes ambient-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -12px, 0) scale(1.04);
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.86;
  }
}

@keyframes offer-badge-pulse {
  0%,
  100% {
    transform: translateY(0) scale(1);
    border-color: rgba(198, 29, 37, 0.4);
    background: rgba(198, 29, 37, 0.18);
  }
  35% {
    transform: translateY(-1px) scale(1.02);
    border-color: rgba(255, 90, 98, 0.9);
    background: rgba(198, 29, 37, 0.34);
  }
  55% {
    transform: translateY(0) scale(1.01);
    border-color: rgba(255, 110, 118, 0.72);
    background: rgba(198, 29, 37, 0.28);
  }
}

@keyframes offer-badge-halo {
  0%,
  100% {
    opacity: 0;
    transform: scale(0.92);
  }
  35% {
    opacity: 0.55;
    transform: scale(1.08);
  }
  55% {
    opacity: 0.2;
    transform: scale(1.14);
  }
}

@keyframes offer-badge-dot {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(255, 77, 87, 0.12);
  }
  35% {
    transform: scale(1.24);
    box-shadow: 0 0 0 11px rgba(255, 77, 87, 0.2);
  }
  55% {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(255, 77, 87, 0.08);
  }
}

@keyframes lane-sweep {
  0% {
    transform: translateX(0%);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    transform: translateX(320%);
    opacity: 0;
  }
}

@media (max-width: 1120px) {
  .hero,
  .workflow-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 36px;
  }

  .hero-copy {
    padding-top: 0;
  }

  .hero-visual {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }

  .feature-grid,
  .scenario-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }

  .device-showcase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-flow {
    grid-template-columns: 1fr;
    max-width: 760px;
  }

  .step-link {
    width: 1px;
    height: 44px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(198, 29, 37, 0.85));
  }

  .step-link::after {
    top: auto;
    bottom: -1px;
    right: 50%;
    transform: translateX(50%) rotate(135deg);
  }

  .panel-route,
  .panel-quiet,
  .panel-control,
  .panel-devices,
  .panel-presence,
  .scenario-large,
  .scenario-travel,
  .scenario-work,
  .scenario-card {
    grid-area: auto;
    min-height: auto;
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .hero-facts,
  .frame-grid,
  .frame-footer,
  .console-body {
    grid-template-columns: 1fr;
  }

  .hero-sidecards {
    grid-template-columns: 1fr;
  }

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

  .field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .header-inner {
    gap: 16px;
  }

  .brand-title {
    font-size: 0.94rem;
  }

  .button-ghost {
    display: none;
  }

  .hero {
    padding-top: 12px;
    padding-bottom: 10px;
  }

  .hero h1 {
    max-width: 10ch;
    font-size: clamp(3.05rem, 15vw, 4.7rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

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

  .hero-frame,
  .panel,
  .scenario-large,
  .scenario-card,
  .cta-panel {
    padding: 22px;
    border-radius: 24px;
  }

  .workflow-step {
    grid-template-columns: 1fr;
  }

  .device-showcase-grid {
    grid-template-columns: 1fr;
  }

  .platform-card {
    min-height: auto;
    aspect-ratio: auto;
  }

  .step-card {
    min-height: auto;
    padding: 20px 18px;
  }

  .footer-inner,
  .footer-columns {
    gap: 18px;
  }
}

@media (max-width: 560px) {
  .hero-actions,
  .button,
  .toolbar-state,
  .toolbar-chip {
    width: 100%;
  }

  .hero-actions .button {
    justify-content: center;
  }

  .frame-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .floating-card {
    margin-top: 0;
  }

  .hero-visual {
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}