:root {
  color-scheme: light;
  --ink: #0f1720;
  --muted: #5f6f7a;
  --subtle: #edf4f3;
  --soft: #f6faf9;
  --line: #dce7e5;
  --teal: #007a73;
  --teal-dark: #00524f;
  --teal-deep: #003f3d;
  --gold: #b77d1d;
  --white: #ffffff;
  --shadow: 0 22px 54px rgba(14, 49, 52, 0.14);
  font-family:
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Inter, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 12px clamp(22px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(220, 231, 229, 0.88);
  backdrop-filter: blur(18px);
}

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

.brand-logo {
  display: block;
  width: clamp(136px, 11vw, 156px);
  max-height: 48px;
  height: auto;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-size: 19px;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.8vw, 34px);
  color: #1f2b33;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a {
  padding: 8px 0;
}

.site-nav a:hover {
  color: var(--teal);
}

.nav-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px !important;
  color: var(--teal-dark) !important;
  border: 1px solid rgba(0, 82, 79, 0.22);
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(390px, 0.78fr) minmax(560px, 1.22fr);
  gap: clamp(28px, 3.2vw, 46px);
  align-items: center;
  min-height: 0;
  padding: clamp(36px, 5vw, 64px) clamp(22px, 5vw, 64px) clamp(48px, 5vw, 66px);
  overflow: hidden;
  background: #f7fbfb;
}

.hero-content {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  color: #111827;
  font-size: clamp(38px, 3.7vw, 58px);
  line-height: 1.14;
  letter-spacing: 0;
}
/* 
.hero h1::after {
  display: inline-block;
  width: 0.8em;
  height: 0.12em;
  margin-left: 10px;
  vertical-align: 0.08em;
  content: "";
  background: var(--teal);
  border-radius: 999px;
} */

.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  color: #43545f;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 154px;
  min-height: 52px;
  padding: 13px 22px;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.2;
}

.button-primary {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 14px 28px rgba(0, 122, 115, 0.24);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  color: var(--teal-dark);
  background: var(--white);
  border: 1px solid rgba(0, 82, 79, 0.45);
}

.value-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  max-width: 720px;
  margin-top: clamp(46px, 7vw, 72px);
}

.value-row div {
  min-width: 0;
}

.value-row strong,
.value-row span {
  display: block;
}

.value-row strong {
  color: #17333a;
  font-size: 15px;
}

.value-row span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.hero-product {
  min-width: 0;
  align-self: center;
  padding: 0;
  background: var(--white);
  border: 1px solid rgba(196, 213, 211, 0.95);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-shell {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  min-height: 0;
  background: var(--white);
}

.product-sidebar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 13px;
  color: rgba(255, 255, 255, 0.86);
  background: linear-gradient(180deg, #00645f 0%, #004541 100%);
}

.product-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--white);
  font-size: 16px;
}

.product-logo-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.18));
}

.product-sidebar span {
  display: block;
  padding: 7px 10px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 7px;
}

.product-sidebar .active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.15);
}

.product-main {
  min-width: 0;
  padding: 18px;
  background: #fbfdfd;
}

.product-topbar,
.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.product-topbar strong {
  display: block;
  font-size: 20px;
}

.product-topbar small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.product-brand {
  color: var(--gold);
  font-size: 16px;
  font-weight: 900;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.metric-card,
.progress-panel,
.table-panel,
.summary-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric-card {
  min-height: 84px;
  padding: 12px;
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.metric-card strong {
  display: block;
  margin-top: 7px;
  font-size: 21px;
  line-height: 1.1;
}

.metric-card small {
  margin-top: 7px;
}

.metric-card .positive {
  color: #0f8f66;
}

.metric-card .negative {
  color: #c84a58;
}

.chart-card {
  position: relative;
}

.mini-bars {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: end;
  gap: 5px;
  height: 44px;
}

.mini-bars i {
  display: block;
  width: 8px;
  background: var(--teal);
  border-radius: 5px 5px 0 0;
}

.mini-bars i:nth-child(1) { height: 22px; }
.mini-bars i:nth-child(2) { height: 34px; }
.mini-bars i:nth-child(3) { height: 46px; }
.mini-bars i:nth-child(4) { height: 40px; }
.mini-bars i:nth-child(5) { height: 52px; }
.mini-bars i:nth-child(6) { height: 38px; }
.mini-bars i:nth-child(7) { height: 28px; }

.progress-panel {
  margin-top: 14px;
  padding: 14px;
}

.panel-head strong,
.table-panel strong,
.summary-panel strong {
  font-size: 15px;
}

.panel-head small {
  padding: 4px 8px;
  color: #53626b;
  font-size: 12px;
  background: #f4f8f8;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.flow-track {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.flow-track div {
  position: relative;
  min-width: 0;
  padding-top: 31px;
  text-align: center;
}

.flow-track div::before {
  position: absolute;
  top: 0;
  left: 50%;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--white);
  font-size: 11px;
  font-weight: 900;
  content: "";
  background: var(--teal);
  border-radius: 50%;
  transform: translateX(-50%);
}

.flow-track div:not(:last-child)::after {
  position: absolute;
  top: 12px;
  right: -16px;
  width: 20px;
  height: 1px;
  content: "";
  background: #c8d5d3;
}

.flow-track b,
.flow-track span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flow-track b {
  font-size: 12px;
}

.flow-track span {
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink);
}

.product-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.75fr);
  gap: 12px;
  margin-top: 12px;
}

.table-panel,
.summary-panel {
  min-width: 0;
  padding: 12px;
}

.table-panel table {
  width: 100%;
  margin-top: 10px;
  border-collapse: collapse;
  font-size: 12px;
}

.table-panel th,
.table-panel td {
  padding: 8px 4px;
  text-align: left;
  border-bottom: 1px solid #e7eeee;
  white-space: nowrap;
}

.table-panel th {
  color: var(--muted);
  font-weight: 700;
}

.table-panel td:nth-child(3) {
  color: var(--teal);
  font-weight: 800;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
}

.summary-row span {
  color: var(--muted);
}

.line-chart {
  position: relative;
  height: 70px;
  margin-top: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(11, 108, 173, 0.08), rgba(11, 108, 173, 0.02));
  border-radius: 8px;
}

.line-chart i {
  position: absolute;
  inset: 18px 12px 24px;
  display: block;
  border-right: 3px solid #2f80ed;
  border-bottom: 3px solid #2f80ed;
  border-radius: 0 0 18px 0;
  transform: skew(-30deg);
}

.module-strip {
  width: min(1370px, calc(100% - 56px));
  margin: -22px auto 0;
  padding: clamp(30px, 4vw, 42px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(24, 48, 54, 0.1);
}

.module-strip h2 {
  margin: 0 0 24px;
  text-align: center;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: 0;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.module-grid article {
  min-height: 142px;
  padding: 8px clamp(18px, 2vw, 30px);
  border-left: 1px solid var(--line);
}

.module-grid article:first-child {
  border-left: 0;
}

.module-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 32px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  background: var(--subtle);
  border-radius: 8px;
}

.module-grid h3 {
  margin: 16px 0 8px;
  font-size: 19px;
  line-height: 1.3;
}

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

.section {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(72px, 8vw, 112px) 0;
}

.section-heading {
  max-width: 760px;
}

.section-heading.centered {
  margin: 0 auto;
  text-align: center;
}

.section-heading h2,
.section-copy h2,
.contact-panel h2,
.legal-article h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.section-copy p,
.contact-panel p,
.legal-article p {
  color: var(--muted);
  font-size: 16px;
}

.dark-band {
  width: 100%;
  max-width: none;
  padding-right: clamp(22px, 5vw, 64px);
  padding-left: clamp(22px, 5vw, 64px);
  color: var(--white);
  background: var(--teal-deep);
}

.dark-band .section-heading,
.dark-band .capability-grid {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.dark-band .section-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.capability-grid article,
.security-list article,
.deploy-modes article {
  min-height: 178px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.capability-grid article {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(255, 255, 255, 0.22);
}

.capability-grid b {
  display: inline-flex;
  color: var(--teal-dark);
  font-size: 13px;
}

.capability-grid h3,
.security-list h3,
.deploy-modes h3 {
  margin: 14px 0 8px;
  font-size: 20px;
  line-height: 1.32;
}

.capability-grid p,
.security-list p,
.deploy-modes p {
  margin: 0;
  color: var(--muted);
}

.workflow-section {
  padding-bottom: clamp(64px, 8vw, 100px);
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 40px 0 0;
  list-style: none;
  counter-reset: workflow;
}

.workflow-list li {
  position: relative;
  min-height: 154px;
  padding: 58px 18px 20px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  counter-increment: workflow;
}

.workflow-list li::before {
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  font-weight: 900;
  content: counter(workflow);
  background: var(--teal);
  border-radius: 8px;
}

.workflow-list li::after {
  position: absolute;
  top: 34px;
  right: -18px;
  width: 22px;
  height: 1px;
  content: "";
  background: var(--line);
}

.workflow-list li:last-child::after {
  display: none;
}

.workflow-list strong,
.workflow-list span {
  display: block;
}

.workflow-list strong {
  font-size: 18px;
}

.workflow-list span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(34px, 7vw, 80px);
  align-items: center;
  border-top: 1px solid var(--line);
}

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

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

.deploy-modes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.contact-section {
  padding-bottom: clamp(80px, 9vw, 120px);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 34px;
  padding: clamp(30px, 5vw, 50px);
  color: var(--white);
  background: var(--teal-deep);
  border-radius: 8px;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-list {
  display: grid;
  gap: 10px;
}

.contact-list p {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  min-height: 48px;
  align-items: center;
  margin: 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.contact-list strong {
  color: #f5c15c;
}

.contact-list span {
  color: var(--white);
  overflow-wrap: anywhere;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 34px clamp(22px, 5vw, 64px);
  background: #f6f9f9;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  display: block;
  width: min(174px, 42vw);
  max-height: 54px;
  height: auto;
  object-fit: contain;
}

.footer-brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: #42515b;
}

.beian {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  color: var(--muted);
  font-size: 13px;
}

.beian a:hover {
  color: var(--teal);
}

.legal-page {
  width: min(920px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
}

.legal-article {
  padding: clamp(26px, 5vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(24, 48, 54, 0.08);
}

.legal-article section {
  margin-top: 32px;
}

.legal-article h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.35;
}

.legal-updated {
  margin-top: 12px;
}

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

.compact-footer .beian {
  grid-column: auto;
}

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

  .hero-product {
    max-width: 820px;
  }

  .product-shell {
    grid-template-columns: 124px minmax(0, 1fr);
  }

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

  .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .flow-track div::after {
    display: none;
  }

  .product-bottom {
    grid-template-columns: 1fr;
  }

  .value-row,
  .module-grid,
  .capability-grid,
  .workflow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-grid article:nth-child(odd) {
    border-left: 0;
  }

  .workflow-list li::after {
    display: none;
  }
}

@media (max-width: 940px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 22px;
    right: 22px;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open,
  .static-nav {
    display: flex;
  }

  .static-nav {
    position: static;
    flex-direction: row;
    align-items: center;
    box-shadow: none;
    border: 0;
    padding: 0;
  }

  .split-section,
  .contact-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
  }

  .brand small,
  .static-nav {
    display: none;
  }

  .brand-logo {
    width: 128px;
  }

  .site-nav {
    top: 66px;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .hero h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .hero h1::after {
    display: none;
  }

  .hero-copy {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .hero-product {
    display: none;
  }

  .value-row,
  .module-grid,
  .capability-grid,
  .workflow-list,
  .security-list,
  .deploy-modes,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .module-strip {
    width: 100%;
    margin-top: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .module-grid article {
    padding: 18px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .module-grid article:first-child {
    border-top: 0;
  }

  .section {
    width: min(100% - 34px, 1180px);
  }

  .capability-grid article,
  .security-list article,
  .deploy-modes article {
    min-height: auto;
  }

  .contact-list p {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}