:root {
  --ink: #101722;
  --muted: #5b6676;
  --paper: #f6f8fb;
  --panel: #ffffff;
  --line: rgba(16, 23, 34, 0.12);
  --dark: #07111d;
  --dark-2: #0b1828;
  --cyan: #15a8d8;
  --teal: #11a89a;
  --green: #1f9d63;
  --amber: #d68b18;
  --coral: #d9544f;
  --shadow: 0 18px 60px rgba(10, 24, 40, 0.16);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 5vw, 56px);
  color: #fff;
  background: rgba(7, 17, 29, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  background: rgba(7, 17, 29, 0.94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 12px;
  box-shadow: 0 0 28px rgba(21, 168, 216, 0.28), 0 10px 24px rgba(0, 0, 0, 0.18);
}

.brand-mark img {
  width: 46px;
  height: 46px;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 17px;
  font-weight: 800;
}

.brand-copy small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 13px;
  color: rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.site-nav .nav-cta {
  margin-left: 6px;
  color: #06111c;
  background: #fff;
}

.site-nav .nav-cta:hover {
  color: #06111c;
  background: #d7f8ff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: clamp(620px, 84svh, 820px);
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 17, 29, 0.96) 0%, rgba(7, 17, 29, 0.82) 34%, rgba(7, 17, 29, 0.38) 70%, rgba(7, 17, 29, 0.18) 100%),
    linear-gradient(180deg, rgba(7, 17, 29, 0.34) 0%, rgba(7, 17, 29, 0.12) 54%, rgba(7, 17, 29, 0.84) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 152px 24px 58px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.hero .eyebrow {
  color: #68e9d5;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: 58px;
  line-height: 1.08;
  font-weight: 900;
}

.hero-lede {
  max-width: 660px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button.primary {
  color: #04111b;
  background: linear-gradient(135deg, #78edff, #6bf0bf);
  box-shadow: 0 18px 44px rgba(21, 168, 216, 0.28);
}

.button.secondary,
.button.ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
}

.button.ghost {
  color: var(--ink);
  border-color: rgba(16, 23, 34, 0.18);
  background: #fff;
}

.button-icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.shield-icon {
  clip-path: polygon(50% 0, 92% 18%, 84% 72%, 50% 100%, 16% 72%, 8% 18%);
  background: currentColor;
}

.code-icon::before,
.code-icon::after {
  content: "";
  position: absolute;
  top: 3px;
  width: 9px;
  height: 12px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
}

.code-icon::before {
  left: 1px;
  transform: rotate(-45deg);
}

.code-icon::after {
  right: 1px;
  transform: rotate(135deg);
}

.arrow-icon::before {
  content: "";
  position: absolute;
  inset: 5px 3px 3px 5px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(45deg);
}

.pulse-icon::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.pulse-icon::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 3px;
  width: 8px;
  height: 12px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: skewX(-22deg);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 12px;
  margin-top: 52px;
}

.hero-metrics div {
  min-height: 94px;
  padding: 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.hero-metrics strong {
  display: block;
  color: #fff;
  font-size: 30px;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 9px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.trust-strip {
  position: relative;
  z-index: 2;
  margin-top: -1px;
  color: #dceef4;
  background: #07111d;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 18px 24px;
}

.strip-inner span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.section {
  padding: 88px 24px;
}

.section-heading {
  width: min(100%, 820px);
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 34px;
}

.section-heading h2,
.console-copy h2,
.contact-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: 38px;
  line-height: 1.18;
  font-weight: 900;
}

.section-heading p:last-child,
.console-copy p,
.contact-panel p {
  margin: 16px 0 0;
  color: var(--muted);
}

.feature-grid,
.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.feature-card,
.integration-card {
  min-height: 248px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgba(10, 24, 40, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card.featured {
  border-color: rgba(17, 168, 154, 0.32);
  background:
    linear-gradient(135deg, rgba(238, 247, 248, 0.94), rgba(255, 255, 255, 0.98)),
    #fff;
}

.feature-card:hover,
.integration-card:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 168, 216, 0.35);
  box-shadow: var(--shadow);
}

.feature-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: #eef7f8;
  color: var(--teal);
}

.feature-icon::before,
.feature-icon::after {
  content: "";
  position: absolute;
}

.feature-icon.key::before {
  width: 14px;
  height: 14px;
  border: 3px solid currentColor;
  border-radius: 50%;
  left: 9px;
  top: 13px;
}

.feature-icon.key::after {
  width: 17px;
  height: 3px;
  background: currentColor;
  right: 8px;
  top: 20px;
  box-shadow: 7px 0 0 currentColor, 11px 5px 0 -1px currentColor;
}

.feature-icon.device::before {
  inset: 9px 11px;
  border: 3px solid currentColor;
  border-radius: 5px;
}

.feature-icon.device::after {
  width: 8px;
  height: 3px;
  left: 18px;
  bottom: 11px;
  background: currentColor;
  border-radius: 3px;
}

.feature-icon.pulse::before {
  left: 8px;
  right: 8px;
  top: 21px;
  height: 3px;
  background: currentColor;
}

.feature-icon.pulse::after {
  left: 15px;
  top: 12px;
  width: 12px;
  height: 18px;
  border-left: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: skewX(-24deg);
}

.feature-icon.notice::before {
  inset: 10px 9px;
  border: 3px solid currentColor;
  border-radius: 5px;
}

.feature-icon.notice::after {
  width: 16px;
  height: 3px;
  left: 14px;
  top: 18px;
  background: currentColor;
  box-shadow: 0 7px 0 currentColor;
}

.feature-icon.file::before {
  inset: 8px 12px;
  border: 3px solid currentColor;
  border-radius: 4px;
}

.feature-icon.file::after {
  right: 12px;
  top: 8px;
  border-top: 10px solid currentColor;
  border-left: 10px solid transparent;
}

.feature-icon.shield::before {
  width: 24px;
  height: 28px;
  clip-path: polygon(50% 0, 92% 18%, 84% 72%, 50% 100%, 16% 72%, 8% 18%);
  background: currentColor;
}

.feature-icon.encrypt::before {
  width: 22px;
  height: 18px;
  left: 11px;
  bottom: 9px;
  border-radius: 5px;
  background: currentColor;
}

.feature-icon.encrypt::after {
  width: 15px;
  height: 13px;
  left: 14px;
  top: 8px;
  border: 3px solid currentColor;
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.feature-icon.guard::before {
  width: 24px;
  height: 28px;
  clip-path: polygon(50% 0, 92% 18%, 84% 72%, 50% 100%, 16% 72%, 8% 18%);
  background: currentColor;
}

.feature-icon.guard::after {
  width: 10px;
  height: 5px;
  left: 17px;
  top: 19px;
  border-left: 3px solid #eef7f8;
  border-bottom: 3px solid #eef7f8;
  transform: rotate(-45deg);
}

.feature-card h3,
.flow-step h3,
.integration-card h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.25;
}

.feature-card p,
.flow-step p,
.integration-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.workflow-section {
  background: #ffffff;
}

.deployment-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: center;
  width: min(100%, var(--max));
  margin: 26px auto 0;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    radial-gradient(circle at 82% 20%, rgba(17, 168, 154, 0.26), transparent 32%),
    linear-gradient(135deg, #0b1828, #102629);
  box-shadow: var(--shadow);
}

.deployment-copy h3 {
  margin: 0;
  color: #fff;
  font-size: 26px;
  line-height: 1.25;
}

.deployment-copy p:last-child {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

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

.deployment-list span {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
}

.workflow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.flow-line {
  position: absolute;
  left: 11%;
  right: 11%;
  top: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--teal), var(--amber));
}

.flow-step {
  position: relative;
  min-height: 212px;
  padding: 76px 22px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(10, 24, 40, 0.06);
}

.flow-step span {
  position: absolute;
  top: 0;
  left: 22px;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: #fff;
  border: 6px solid #fff;
  border-radius: 50%;
  background: var(--dark-2);
  box-shadow: 0 10px 25px rgba(21, 168, 216, 0.2);
  font-weight: 900;
}

.console-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 44px;
  align-items: center;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.console-copy {
  min-width: 0;
}

.console-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.console-list span {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #fff;
  color: #2d3948;
  box-shadow: 0 8px 20px rgba(10, 24, 40, 0.05);
}

.dashboard-preview {
  min-height: 420px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 22%, rgba(21, 168, 216, 0.28), transparent 34%),
    linear-gradient(135deg, #0b1828, #111f2f 54%, #102629);
  box-shadow: var(--shadow);
}

.dash-topbar {
  display: flex;
  gap: 7px;
  padding: 4px 0 16px;
}

.dash-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.36);
}

.dash-topbar span:nth-child(2) {
  background: rgba(214, 139, 24, 0.9);
}

.dash-topbar span:nth-child(3) {
  background: rgba(17, 168, 154, 0.9);
}

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

.dash-stat,
.dash-table {
  min-height: 160px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.dash-stat small {
  display: block;
  color: rgba(255, 255, 255, 0.62);
}

.dash-stat strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-size: 34px;
  line-height: 1;
}

.mini-bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 8px;
  height: 72px;
  margin-top: 18px;
}

.mini-bars span {
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, #78edff, #11a89a);
}

.dash-stat svg {
  width: 100%;
  height: 100px;
  margin-top: 16px;
}

.dash-stat path {
  fill: none;
  stroke: #6bf0bf;
  stroke-width: 5;
  stroke-linecap: round;
}

.dash-table {
  grid-column: 1 / -1;
  min-height: 0;
  display: grid;
  gap: 10px;
}

.dash-table div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.74);
}

.dash-table b {
  color: #9ff5e4;
}

.integrations-section {
  background: #ffffff;
}

.integration-card {
  min-height: 220px;
}

.integration-card span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-top: 20px;
  padding: 0 10px;
  border-radius: 8px;
  background: #eef7f8;
  color: #167266;
  font-size: 13px;
  font-weight: 800;
}

.contact-section {
  padding-top: 76px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 44px;
  color: #fff;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(7, 17, 29, 0.94), rgba(16, 38, 41, 0.92)),
    url("hero-security.png") center right / cover;
  box-shadow: var(--shadow);
}

.contact-panel h2,
.contact-panel p {
  color: #fff;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(24px, 5vw, 56px);
  color: rgba(255, 255, 255, 0.72);
  background: #07111d;
}

.site-footer div {
  display: grid;
  gap: 4px;
}

.site-footer strong {
  color: #fff;
}

.site-footer a {
  color: #fff;
  font-size: 12px;
}
.beian{
  width: 100%;
  text-align: center;

}
@media (max-width: 980px) {
  .site-header {
    min-height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(7, 17, 29, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
  }

  .nav-open .site-nav {
    display: flex;
  }

  .site-nav a,
  .site-nav .nav-cta {
    justify-content: center;
    margin-left: 0;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-content {
    padding-top: 128px;
  }

  h1 {
    font-size: 44px;
  }

  .hero-lede {
    font-size: 17px;
  }

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

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

  .flow-line {
    display: none;
  }

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

  .contact-actions {
    justify-content: flex-start;
  }

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

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-media img {
    object-position: 65% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 17, 29, 0.96), rgba(7, 17, 29, 0.78)),
      linear-gradient(180deg, rgba(7, 17, 29, 0.18), rgba(7, 17, 29, 0.88));
  }

  .hero-content {
    padding: 118px 18px 36px;
  }

  h1 {
    font-size: 34px;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 30px;
  }

  .hero-metrics div {
    min-height: 74px;
    padding: 13px 8px;
  }

  .hero-metrics strong {
    font-size: 24px;
  }

  .hero-metrics span {
    font-size: 12px;
  }

  .section {
    padding: 64px 18px;
  }

  .section-heading h2,
  .console-copy h2,
  .contact-panel h2 {
    font-size: 28px;
  }

  .feature-grid,
  .workflow,
  .integration-grid,
  .dash-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-preview {
    min-height: 0;
  }

  .contact-panel,
  .deployment-panel {
    padding: 26px;
  }

  .site-footer {
    display: grid;
  }
}

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