:root {
  --bg: #0a111b;
  --bg-deep: #050a12;
  --bg-soft: #101a29;
  --surface: rgba(11, 19, 31, 0.72);
  --surface-strong: rgba(15, 24, 38, 0.94);
  --surface-border: rgba(153, 172, 198, 0.12);
  --surface-border-strong: rgba(168, 186, 212, 0.18);
  --surface-soft: rgba(255, 255, 255, 0.035);
  --section-strong: linear-gradient(180deg, rgba(15, 24, 38, 0.88), rgba(9, 16, 27, 0.94));
  --section-soft: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
  --text: #f3f7ff;
  --muted: #9ca9bc;
  --muted-strong: #d6e2f2;
  --primary: #4fbf68;
  --primary-deep: #c8f7cf;
  --secondary: #85d996;
  --logo-green: #4fbf68;
  --logo-green-soft: #85d996;
  --accent-line: rgba(79, 191, 104, 0.54);
  --shadow: 0 28px 80px rgba(2, 8, 20, 0.42);
  --radius-xl: 32px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --page-width: min(1200px, calc(100vw - 48px));
}

html[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-deep: #e8eef6;
  --bg-soft: #ffffff;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --surface-border: rgba(122, 143, 171, 0.18);
  --surface-border-strong: rgba(122, 143, 171, 0.24);
  --surface-soft: rgba(255, 255, 255, 0.72);
  --section-strong: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 248, 252, 0.92));
  --section-soft: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(247, 249, 252, 0.74));
  --text: #132235;
  --muted: #5c6f86;
  --muted-strong: #29415e;
  --primary: #2f9c52;
  --primary-deep: #1f7b3f;
  --secondary: #6ac680;
  --logo-green: #2f9c52;
  --logo-green-soft: #6ac680;
  --accent-line: rgba(47, 156, 82, 0.36);
  --shadow: 0 24px 60px rgba(20, 38, 64, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Outfit", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 191, 104, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(80, 120, 200, 0.1), transparent 30%),
    linear-gradient(180deg, #0a111b 0%, #0b1320 48%, #060b14 100%);
  min-height: 100vh;
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(47, 156, 82, 0.1), transparent 26%),
    radial-gradient(circle at top right, rgba(72, 130, 214, 0.12), transparent 30%),
    linear-gradient(180deg, #f6f9fc 0%, #eef3f8 48%, #e8eef5 100%);
}

body::before {
  display: none;
}

body::after {
  display: none;
}

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

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

.page-shell {
  width: var(--page-width);
  margin: 0 auto;
  padding: 24px 0 40px;
}

.surface {
  background: linear-gradient(180deg, rgba(18, 29, 45, 0.92), rgba(10, 17, 29, 0.86)), var(--surface);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

html[data-theme="light"] .surface {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 253, 0.92)), var(--surface);
  border-color: rgba(122, 143, 171, 0.16);
  box-shadow: 0 20px 48px rgba(20, 38, 64, 0.08);
}

.site-header {
  position: relative;
  top: auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
  padding: 12px 0 20px;
  margin-bottom: 34px;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

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

.brand-logo {
  width: 108px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(79, 191, 104, 0.12));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--muted-strong);
}

.nav-button {
  margin-left: 8px;
}

.header-utility {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
  flex-shrink: 0;
}

.nav-button-highlight {
  background: linear-gradient(135deg, rgba(79, 191, 104, 0.98), rgba(133, 217, 150, 0.94));
  color: #08110f;
  border-color: rgba(133, 217, 150, 0.34);
  box-shadow: 0 18px 34px rgba(79, 191, 104, 0.24), 0 0 0 1px rgba(171, 232, 181, 0.12) inset;
}

.nav-button-highlight:hover {
  background: linear-gradient(135deg, rgba(90, 203, 116, 1), rgba(146, 225, 160, 0.98));
}

.theme-toggle {
  min-height: 48px;
  padding: 0 18px;
  gap: 8px;
}

.theme-toggle-icon {
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.25s ease;
}

.theme-toggle:hover .theme-toggle-icon {
  transform: rotate(18deg);
}

.theme-toggle-label {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.section {
  padding: 38px 0;
}

#capabilities,
#sales,
#architecture {
  position: relative;
  padding: 38px 32px;
  margin: 8px 0;
  border-radius: calc(var(--radius-xl) + 4px);
  background: var(--section-strong);
  border: 1px solid rgba(153, 172, 198, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

#products,
#scenarios,
#resources {
  position: relative;
  padding: 38px 32px;
  margin: 8px 0;
  border-radius: calc(var(--radius-xl) + 4px);
  background: var(--section-soft);
  border: 1px solid rgba(153, 172, 198, 0.06);
}

.rename-notice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 6px 0 10px;
  margin: 0 0 6px;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: hidden;
}

.rename-notice-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 10px 0 0;
  border-radius: 999px;
  background: transparent;
  border: 0;
  color: var(--primary-deep);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rename-notice-marquee {
  min-width: 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.rename-notice-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  white-space: nowrap;
  animation: noticeMarquee 22s linear infinite;
}

.rename-notice-text {
  color: #d6f4d6;
  line-height: 1.62;
  font-size: 0.96rem;
}

html[data-theme="light"] .rename-notice-text {
  color: #2d7141;
}

html[data-theme="light"] .button-secondary,
html[data-theme="light"] .button-ghost {
  background: rgba(19, 34, 53, 0.04);
}

html[data-theme="light"] .nav-button-highlight {
  color: #ffffff;
  background: linear-gradient(135deg, #2f9c52, #5dc277);
  box-shadow: 0 16px 30px rgba(47, 156, 82, 0.22);
}

@keyframes noticeMarquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 28px));
  }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(460px, 0.98fr);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 170px);
  padding-top: 20px;
}

.eyebrow,
.section-kicker,
.product-tag,
.stage-topline p,
.panel-head p {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-deep);
}

.eyebrow::before,
.section-kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: currentColor;
}

.hero h1 {
  margin: 20px 0 22px;
  font-family: "Outfit", "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(2.18rem, 3.4vw, 3.35rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  max-width: none;
}

.hero-lead,
.section-heading p,
.feature-card p,
.product-card p,
.scenario-card p,
.arch-card p,
.resource-panel p,
.contact-panel p,
.site-footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 22px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-tags span,
.band-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(153, 172, 198, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 0.92rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #08110f;
  box-shadow: 0 18px 34px rgba(79, 191, 104, 0.2);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(153, 172, 198, 0.18);
  color: var(--text);
}

.button-ghost,
.button-text {
  color: var(--text);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(153, 172, 198, 0.14);
}

.button-text {
  min-height: auto;
  padding-left: 0;
  padding-right: 0;
  color: var(--primary-deep);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.feature-card,
.product-card,
.scenario-card,
.resource-link,
.arch-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.metric-card {
  padding: 18px 20px;
  border-radius: var(--radius-md);
}

.metric-card::before,
.feature-card::before,
.product-card::before,
.scenario-card::before,
.resource-link::before,
.arch-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-line), transparent 70%);
  opacity: 0.9;
}

.metric-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
  color: var(--text);
}

.metric-card span {
  color: var(--muted);
  line-height: 1.62;
  font-size: 0.92rem;
}

.hero-stage {
  position: relative;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(16px);
  opacity: 0.78;
  z-index: 0;
}

.hero-orb-a {
  width: 220px;
  height: 220px;
  top: -30px;
  right: 12%;
  background: radial-gradient(circle, rgba(133, 217, 150, 0.16), transparent 74%);
}

.hero-orb-b {
  width: 260px;
  height: 260px;
  bottom: -20px;
  left: -28px;
  background: radial-gradient(circle, rgba(75, 124, 210, 0.14), transparent 72%);
}

.stage-card {
  position: relative;
  z-index: 1;
  padding: 24px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stage-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.03);
  pointer-events: none;
}

html[data-theme="light"] .stage-card::after {
  border-color: rgba(122, 143, 171, 0.1);
}

.stage-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.signal {
  display: inline-flex;
  gap: 8px;
}

.signal span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(79, 191, 104, 0.2);
  animation: pulse 1.8s ease-in-out infinite;
}

.signal span:nth-child(2) {
  animation-delay: 0.25s;
}

.signal span:nth-child(3) {
  animation-delay: 0.5s;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.18);
    background: var(--primary);
  }
}

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

.stage-panel {
  min-height: 196px;
  padding: 18px;
  border-radius: 22px;
  position: relative;
  background: linear-gradient(180deg, rgba(15, 24, 38, 0.96), rgba(9, 16, 27, 0.92));
  border: 1px solid rgba(153, 172, 198, 0.12);
}

html[data-theme="light"] .stage-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 247, 252, 0.96));
  border-color: rgba(122, 143, 171, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68);
}

.stage-panel-wide {
  grid-column: span 2;
}

.stage-panel-banner {
  grid-column: span 2;
  min-height: auto;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(79, 191, 104, 0.12), rgba(74, 120, 205, 0.08));
}

html[data-theme="light"] .stage-panel-banner {
  background: linear-gradient(135deg, rgba(47, 156, 82, 0.12), rgba(72, 130, 214, 0.08));
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head span,
.stage-topline span {
  color: var(--muted);
  font-size: 0.86rem;
}

.stage-panel h2 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.22;
  white-space: nowrap;
}

.stage-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.progress-cluster {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.progress-cluster label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted-strong);
  font-size: 0.92rem;
}

.progress {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

html[data-theme="light"] .progress {
  background: rgba(19, 34, 53, 0.08);
}

.progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stage-list,
.product-points {
  margin: 0;
  padding: 0;
  list-style: none;
}

.stage-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.stage-list li,
.product-points li {
  position: relative;
  padding-left: 18px;
  color: var(--muted-strong);
  line-height: 1.7;
}

.stage-list li::before,
.product-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.mini-stats {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.mini-stats strong {
  display: block;
  font-size: 1.06rem;
  margin-bottom: 4px;
}

.section-heading {
  max-width: 980px;
  margin: 0 auto 26px;
  text-align: center;
}

.section-heading p {
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading h2,
.resource-panel h2 {
  margin: 14px 0 12px;
  font-family: "Outfit", "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(1.42rem, 1.55vw, 1.92rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.card-topline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: var(--primary);
  background: linear-gradient(180deg, rgba(79, 191, 104, 0.18), rgba(79, 191, 104, 0.06));
  border: 1px solid rgba(79, 191, 104, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  flex: 0 0 auto;
}

html[data-theme="light"] .card-icon {
  background: linear-gradient(180deg, rgba(79, 191, 104, 0.16), rgba(79, 191, 104, 0.08));
  border-color: rgba(47, 156, 82, 0.18);
}

.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-grid,
.scenario-grid,
.sales-grid {
  display: grid;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.feature-card,
.scenario-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  min-height: 208px;
}

.feature-index {
  display: inline-flex;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: 0.92rem;
  color: var(--primary);
  margin-bottom: 0;
}

.feature-card h3,
.product-card h3,
.scenario-card h3,
.arch-card h3,
.contact-panel h3 {
  margin: 0 0 12px;
  font-size: 1.14rem;
  line-height: 1.24;
  white-space: nowrap;
}

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

.product-card {
  padding: 30px;
  border-radius: var(--radius-xl);
  min-height: 100%;
}

.product-card-highlight::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 191, 104, 0.13), transparent 70%);
}

.product-tag {
  margin-bottom: 18px;
}

.card-topline .product-tag {
  margin-bottom: 0;
}

.product-tag-alt {
  color: #b4e8b5;
}

.product-points {
  display: grid;
  gap: 10px;
  margin: 20px 0 24px;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}

.sales-section {
  padding-top: 8px;
}

.sales-matrix {
  padding: 22px 20px;
  border-radius: calc(var(--radius-xl) + 4px);
}

.sales-matrix-scroll {
  overflow: visible;
}

.sales-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.sales-table col.sales-col-label {
  width: 22%;
}

.sales-table col.sales-col-primary,
.sales-table col.sales-col-free,
.sales-table col.sales-col-generic {
  width: 19.5%;
}

.sales-table th,
.sales-table td {
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid rgba(153, 172, 198, 0.08);
  color: var(--muted-strong);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: normal;
  word-break: break-word;
}

.sales-table thead th {
  font-family: "Outfit", "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.sales-table thead th:first-child,
.sales-table tbody th {
  text-align: left;
}

.sales-table tbody th {
  font-weight: 600;
  color: var(--text);
}

.sales-table .is-highlight {
  background: linear-gradient(180deg, rgba(79, 191, 104, 0.12), rgba(79, 191, 104, 0.05));
  color: #e8f8eb;
}

.sales-table .is-free {
  background: linear-gradient(180deg, rgba(79, 191, 104, 0.07), rgba(79, 191, 104, 0.03));
  color: #d9efe0;
}

html[data-theme="light"] .sales-table .is-highlight {
  background: linear-gradient(180deg, rgba(47, 156, 82, 0.14), rgba(47, 156, 82, 0.06));
  color: #1f5d37;
}

html[data-theme="light"] .sales-table .is-free {
  background: linear-gradient(180deg, rgba(47, 156, 82, 0.08), rgba(47, 156, 82, 0.03));
  color: #275f3b;
}

.sales-table thead .is-highlight {
  color: #e6ffe7;
}

html[data-theme="light"] .sales-table thead .is-highlight {
  color: #1f5d37;
}

.sales-table thead .is-free {
  color: #dff5e5;
}

html[data-theme="light"] .sales-table thead .is-free {
  color: #275f3b;
}

.sales-table tbody tr:last-child th,
.sales-table tbody tr:last-child td {
  border-bottom: 0;
}

.sales-divider th {
  padding-top: 16px;
  padding-bottom: 10px;
  border-bottom: 0;
  border-top: 1px solid rgba(153, 172, 198, 0.12);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sales-divider:first-child th {
  border-top: 0;
}

.sales-yes {
  color: #95e2a3;
  font-weight: 800;
}

.sales-no {
  color: rgba(205, 219, 244, 0.56);
}

.architecture-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 22px;
  border-radius: calc(var(--radius-xl) + 4px);
}

.arch-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(153, 172, 198, 0.12);
  min-height: 184px;
}

html[data-theme="light"] .arch-card {
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(122, 143, 171, 0.14);
}

.arch-card span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
}

.resources-section {
  padding-bottom: 18px;
}

.resource-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.resource-panel,
.contact-panel {
  padding: 28px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
}

.resource-links {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.resource-link {
  display: block;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(153, 172, 198, 0.12);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.feature-card .card-topline {
  justify-content: space-between;
}

.product-card .card-topline,
.scenario-card .card-topline,
.resource-link .card-topline {
  margin-bottom: 18px;
}

.feature-card:hover .card-icon,
.product-card:hover .card-icon,
.scenario-card:hover .card-icon,
.resource-link:hover .card-icon {
  border-color: rgba(79, 191, 104, 0.34);
  background: linear-gradient(180deg, rgba(79, 191, 104, 0.22), rgba(79, 191, 104, 0.08));
}

html[data-theme="light"] .resource-link {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(122, 143, 171, 0.14);
}

.resource-link:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 191, 104, 0.24);
  background: rgba(79, 191, 104, 0.08);
}

.resource-link strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.resource-link span {
  color: var(--muted);
  line-height: 1.72;
}

.contact-header p {
  margin-bottom: 10px;
  color: var(--primary-deep);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-stack {
  display: grid;
  gap: 10px;
  margin: 20px 0 24px;
}

.contact-stack a {
  color: var(--muted-strong);
  font-weight: 700;
}

.contact-wechat-card {
  position: relative;
  margin: auto 0 0;
  outline: none;
}

.contact-wechat-static {
  width: min(230px, 100%);
  padding: 14px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(153, 172, 198, 0.12);
}

.contact-wechat-trigger {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(153, 172, 198, 0.12);
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

html[data-theme="light"] .contact-wechat-trigger {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(122, 143, 171, 0.14);
}

html[data-theme="light"] .contact-wechat-static {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(122, 143, 171, 0.14);
}

.contact-wechat-card:hover .contact-wechat-trigger,
.contact-wechat-card:focus .contact-wechat-trigger,
.contact-wechat-card:focus-within .contact-wechat-trigger {
  border-color: rgba(79, 191, 104, 0.28);
  background: rgba(79, 191, 104, 0.08);
  transform: translateY(-1px);
}

.contact-wechat-trigger strong {
  display: block;
  color: var(--text);
  font-size: 1.04rem;
}

.contact-wechat-trigger span {
  color: var(--muted);
  line-height: 1.62;
  font-size: 0.92rem;
}

.contact-wechat-popup {
  position: absolute;
  right: 0;
  bottom: calc(100% + 14px);
  width: min(286px, calc(100vw - 72px));
  padding: 12px;
  border-radius: 24px;
  background: rgba(12, 20, 34, 0.98);
  border: 1px solid rgba(153, 172, 198, 0.18);
  box-shadow: 0 24px 50px rgba(2, 8, 20, 0.42);
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 5;
}

.contact-wechat-popup::after {
  content: "";
  position: absolute;
  right: 28px;
  top: calc(100% - 1px);
  width: 16px;
  height: 16px;
  background: rgba(12, 20, 34, 0.98);
  border-right: 1px solid rgba(153, 172, 198, 0.18);
  border-bottom: 1px solid rgba(153, 172, 198, 0.18);
  transform: rotate(45deg);
}

.contact-wechat-card:hover .contact-wechat-popup,
.contact-wechat-card:focus .contact-wechat-popup,
.contact-wechat-card:focus-within .contact-wechat-popup {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.contact-wechat-image {
  display: block;
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(153, 172, 198, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.contact-wechat-copy {
  margin: 10px 2px 2px;
  color: var(--muted-strong);
  line-height: 1.6;
  font-size: 0.9rem;
  text-align: center;
}

.trial-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.trial-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.trial-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(3, 9, 18, 0.66);
  backdrop-filter: blur(10px);
}

html[data-theme="light"] .trial-modal-backdrop {
  background: rgba(22, 32, 48, 0.34);
}

.trial-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  padding: 32px;
  border-radius: 32px;
}

.trial-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--surface-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.trial-modal-head {
  margin-bottom: 24px;
  padding-right: 48px;
}

.trial-modal-head h2 {
  margin: 14px 0 12px;
  font-family: "Outfit", "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.trial-modal-head p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.trial-form {
  display: grid;
  gap: 18px;
}

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

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

html[data-theme="light"] .form-field input,
html[data-theme="light"] .form-field textarea {
  background: rgba(19, 34, 53, 0.03);
}

.form-field input {
  min-height: 54px;
}

.form-field textarea {
  min-height: 128px;
  resize: vertical;
}

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

.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(79, 191, 104, 0.42);
  box-shadow: 0 0 0 4px rgba(79, 191, 104, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

html[data-theme="light"] .form-field input:focus,
html[data-theme="light"] .form-field textarea:focus {
  background: rgba(255, 255, 255, 0.96);
}

.form-field-wide {
  grid-column: span 2;
}

.trial-form-footer {
  display: grid;
  gap: 14px;
}

.trial-form-note,
.trial-form-privacy,
.trial-form-feedback {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.62;
}

.trial-form-note {
  color: var(--muted);
}

.trial-form-privacy {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(79, 191, 104, 0.08);
  border: 1px solid rgba(79, 191, 104, 0.16);
  color: var(--muted-strong);
}

.trial-form-feedback {
  color: var(--primary-deep);
  min-height: 1.6em;
}

.trial-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.trial-notice-modal {
  display: grid;
  place-items: center;
  position: fixed;
  inset: 0;
  z-index: 70;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.trial-notice-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.trial-notice-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(3, 9, 18, 0.56);
  backdrop-filter: blur(8px);
}

.trial-notice-dialog {
  position: relative;
  z-index: 1;
  width: min(480px, 100%);
  padding: 30px;
  border-radius: 28px;
}

.trial-notice-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--surface-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
}

.trial-notice-body {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
  padding-right: 38px;
}

.trial-notice-body h3 {
  margin: 0;
  font-size: 1.48rem;
  line-height: 1.14;
}

.trial-notice-body p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

html[data-theme="light"] .trial-notice-backdrop {
  background: rgba(22, 32, 48, 0.26);
}

html[data-theme="light"] .trial-notice-dialog {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(247, 250, 253, 0.94)), var(--surface);
  border-color: rgba(122, 143, 171, 0.16);
  box-shadow: 0 20px 48px rgba(20, 38, 64, 0.1);
}

body.is-locked {
  overflow: hidden;
}

.scroll-top-button {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 30;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(153, 172, 198, 0.18);
  border-radius: 50%;
  background: rgba(11, 19, 31, 0.94);
  color: #edf4ff;
  box-shadow: 0 18px 36px rgba(2, 8, 20, 0.28);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.scroll-top-button.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-button:hover {
  background: rgba(79, 191, 104, 0.14);
  border-color: rgba(79, 191, 104, 0.28);
}

html[data-theme="light"] .contact-wechat-popup {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(122, 143, 171, 0.2);
  box-shadow: 0 24px 50px rgba(20, 38, 64, 0.14);
}

html[data-theme="light"] .contact-wechat-popup::after {
  background: rgba(255, 255, 255, 0.98);
  border-right-color: rgba(122, 143, 171, 0.2);
  border-bottom-color: rgba(122, 143, 171, 0.2);
}

html[data-theme="light"] .scroll-top-button {
  background: rgba(255, 255, 255, 0.94);
  color: #1a3047;
  box-shadow: 0 18px 36px rgba(20, 38, 64, 0.14);
}

html[data-theme="light"] .nav-toggle {
  background: rgba(19, 34, 53, 0.06);
}

html[data-theme="light"] .site-header.nav-open .site-nav {
  background: rgba(255, 255, 255, 0.96);
}

@media (hover: none) {
  .contact-wechat-popup {
    position: static;
    width: 100%;
    margin-top: 12px;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .contact-wechat-popup::after {
    display: none;
  }
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 34px;
  margin-top: 22px;
  border-top: 1px solid rgba(153, 172, 198, 0.12);
}

.footer-brand {
  max-width: 480px;
}

.footer-brand .brand {
  margin-bottom: 12px;
}

.footer-brand .brand-logo {
  width: 116px;
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.footer-meta a,
.footer-meta p {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.reveal.is-visible {
  animation: fadeUp 0.8s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 8px;
  }

  .hero h1 {
    max-width: none;
  }

  .section-heading h2,
  .resource-panel h2,
  .feature-card h3,
  .product-card h3,
  .scenario-card h3,
  .arch-card h3,
  .contact-panel h3,
  .stage-panel h2 {
    white-space: normal;
  }

  .resource-layout,
  .feature-grid,
  .architecture-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .sales-table th,
  .sales-table td {
    padding: 12px 10px;
    font-size: 0.84rem;
  }

  .sales-table thead th {
    font-size: 0.88rem;
  }
}

@media (max-width: 880px) {
  :root {
    --page-width: min(100vw - 28px, 100%);
  }

  .page-shell {
    padding-top: 18px;
  }

  .site-header {
    align-items: center;
    border-radius: 0;
    padding: 12px 0 18px;
  }

  .rename-notice {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px 18px;
  }

  .rename-notice-marquee {
    mask-image: none;
  }

  #capabilities,
  #products,
  #sales,
  #scenarios,
  #architecture,
  #resources {
    padding: 32px 24px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 10px);
    display: grid;
    gap: 12px;
    padding: 18px;
    border-radius: 26px;
    background: rgba(12, 20, 34, 0.96);
    border: 1px solid rgba(153, 172, 198, 0.16);
    box-shadow: 0 22px 48px rgba(2, 8, 20, 0.42);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header.nav-open .nav-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav .nav-button {
    margin-left: 0;
    width: 100%;
  }

  .header-utility {
    margin-left: auto;
    gap: 10px;
  }

  .product-grid,
  .resource-layout,
  .feature-grid,
  .scenario-grid,
  .architecture-board {
    grid-template-columns: 1fr;
  }

  .contact-wechat-popup {
    position: static;
    width: 100%;
    margin-top: 12px;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .contact-wechat-popup::after {
    display: none;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    justify-items: start;
  }

  .scroll-top-button {
    right: 18px;
    bottom: 20px;
    width: 48px;
    height: 48px;
  }

  .trial-modal {
    padding: 18px;
  }

  .trial-modal-dialog {
    padding: 24px 18px;
    border-radius: 28px;
  }

  .trial-form-grid {
    grid-template-columns: 1fr;
  }

  .form-field-wide {
    grid-column: span 1;
  }

  .trial-notice-modal {
    padding: 18px;
  }

  .trial-notice-dialog {
    padding: 24px 18px;
    border-radius: 24px;
  }

  .sales-matrix {
    padding: 16px 12px;
  }

  .sales-table th,
  .sales-table td {
    padding: 10px 8px;
    font-size: 0.78rem;
  }

  .sales-table thead th {
    font-size: 0.8rem;
  }

  .sales-divider th {
    font-size: 0.7rem;
    letter-spacing: 0.06em;
  }
}

@media (max-width: 640px) {
  #capabilities,
  #products,
  #sales,
  #scenarios,
  #architecture,
  #resources {
    padding: 28px 18px;
    border-radius: 28px;
  }

  .hero-metrics,
  .stage-grid {
    grid-template-columns: 1fr;
  }

  .stage-panel-wide,
  .stage-panel-banner {
    grid-column: span 1;
  }

  .hero h1 {
    font-size: clamp(2rem, 9.6vw, 3rem);
    max-width: none;
  }

  .section-heading h2,
  .resource-panel h2 {
    font-size: clamp(1.5rem, 6.8vw, 2rem);
  }

  .site-header {
    gap: 14px;
  }

  .brand-logo {
    width: 96px;
  }

  .metric-card,
  .feature-card,
  .product-card,
  .scenario-card,
  .resource-panel,
  .contact-panel,
  .arch-card,
  .stage-panel,
  .stage-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .button {
    width: 100%;
  }

  .trial-form-actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .rename-notice-track {
    transform: none !important;
  }

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