:root {
  --bg: #ffffff;
  --bg-soft: #f7fbff;
  --ink: #070b26;
  --text: #26324d;
  --muted: #69758d;
  --line: #dbe6f4;
  --blue: #045cfb;
  --blue-2: #11b8ff;
  --cyan: #16c9d9;
  --green: #62d913;
  --lime-soft: #effbdd;
  --shadow: 0 20px 60px rgba(23, 66, 148, 0.13);
  --radius: 8px;
  --max: 1280px;
  --section-pad: 42px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

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

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 72px;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 max(32px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  height: 46px;
  overflow: hidden;
}

.brand img {
  display: block;
  width: 124px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 34px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

.nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 72px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.nav a:hover,
.nav a.active {
  color: var(--blue);
}

.nav a.active::after,
.nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta,
.button.primary {
  color: #fff;
  background: linear-gradient(135deg, #045cfb 0%, #0079ff 100%);
  box-shadow: 0 12px 26px rgba(4, 92, 251, 0.22);
}

.button.secondary {
  color: var(--blue);
  background: #fff;
  border-color: var(--blue);
}

.button.light {
  width: 100%;
  color: var(--blue);
  background: #fff;
  box-shadow: 0 16px 28px rgba(0, 46, 140, 0.14);
}

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

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

.hero {
  position: relative;
  min-height: 585px;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 44px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 62px 32px 32px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 80px -60px 0 40%;
  z-index: -1;
  background:
    linear-gradient(120deg, transparent 0 36%, rgba(17, 184, 255, 0.16) 36% 38%, transparent 38% 52%, rgba(4, 92, 251, 0.22) 52% 54%, transparent 54%),
    linear-gradient(165deg, rgba(4, 92, 251, 0.06), rgba(22, 201, 217, 0.16) 52%, rgba(255, 255, 255, 0) 72%);
  clip-path: polygon(10% 0, 100% 0, 100% 92%, 0 100%);
}

.hero-copy h1 {
  max-width: 650px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(44px, 4.75vw, 64px);
  line-height: 1.08;
  font-weight: 900;
}

.hero-copy {
  transform: translateY(-28px);
}

.hero-copy h1 span {
  display: block;
  white-space: nowrap;
}

.hero-copy p {
  max-width: 560px;
  margin: 26px 0 0;
  font-size: 18px;
  color: #38445f;
}

.hero-actions {
  display: flex;
  gap: 18px;
  margin-top: 34px;
}

.command-center {
  display: grid;
  grid-template-columns: 144px 1fr;
  min-height: 430px;
  max-width: 730px;
  margin-left: auto;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid #cdddf4;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.center-sidebar {
  padding: 20px 14px;
  color: #dceaff;
  background: linear-gradient(180deg, #042e8c, #061d55);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 800;
}

.sidebar-logo img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.center-sidebar span:not(.sidebar-logo span) {
  display: block;
  margin: 4px 0;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.center-sidebar .selected {
  color: #fff;
  background: #0b70ff;
}

.center-main {
  min-width: 0;
  padding: 24px 22px 20px;
  background:
    linear-gradient(180deg, rgba(241, 247, 255, 0.74), transparent 42%),
    #fff;
}

.center-heading,
.metric-grid,
.dashboard-grid {
  position: relative;
  z-index: 1;
}

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

.center-heading strong {
  color: var(--ink);
  font-size: 21px;
}

.center-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #128d46;
  font-size: 12px;
  font-weight: 800;
}

.live-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(98, 217, 19, 0.16);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric-grid article,
.dashboard-grid article,
.product-grid article,
.case-grid article,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.metric-grid article {
  padding: 14px 13px;
}

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

.metric-grid strong {
  display: block;
  margin: 4px 0;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.1;
}

.metric-grid small {
  color: #18a84f;
  font-weight: 700;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1.55fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.dashboard-grid article {
  min-height: 190px;
  padding: 16px;
}

.dashboard-grid h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 14px;
}

.run-list div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid #eef3fa;
  font-size: 12px;
}

.run-list em {
  color: #14a75b;
  font-style: normal;
  font-weight: 700;
}

.chart {
  height: 142px;
  display: flex;
  align-items: flex-end;
  gap: 11px;
  padding: 18px 6px 4px;
  background: repeating-linear-gradient(to top, #eef3fb 0 1px, transparent 1px 34px);
}

.chart i {
  flex: 1;
  min-width: 12px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--blue-2), var(--blue));
}

.quick-card button {
  width: 100%;
  margin-bottom: 10px;
  padding: 11px 12px;
  color: #29415f;
  text-align: left;
  border: 0;
  border-radius: 6px;
  background: #f0f5fd;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.section-row {
  display: grid;
  grid-template-columns: 205px 1fr;
  gap: 34px;
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--section-pad) 32px;
  border-top: 1px solid var(--line);
}

.section-label h2 {
  margin: 0;
  color: var(--ink);
  font-size: 27px;
  line-height: 1.2;
}

.section-label p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.capability-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
}

.capability-rail article {
  display: grid;
  grid-template-columns: 46px 1fr;
  column-gap: 14px;
  padding: 0 22px;
  border-left: 1px dashed var(--line);
}

.capability-rail article:first-child {
  border-left: 0;
}

.capability-rail h3 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
}

.capability-rail p {
  grid-column: 2;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.icon,
.solution-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  border-radius: 8px;
  background: linear-gradient(135deg, #e7f3ff, #0780ff);
  position: relative;
}

.icon::before,
.icon::after,
.solution-icon::before,
.solution-icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid #fff;
  border-radius: 4px;
}

.icon.stack {
  background: linear-gradient(135deg, #dff1ff, #2469ff);
}

.icon.flow {
  background: linear-gradient(135deg, #e4e6ff, #5e6bff);
}

.icon.cube {
  background: linear-gradient(135deg, #d9fbff, #10bad0);
}

.icon.shield {
  background: linear-gradient(135deg, #effbdc, #5fd716);
}

.solution-panels {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 18px;
}

.products {
  background:
    linear-gradient(180deg, #fff 0%, #f8fbff 100%),
    #fff;
}

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

.product-grid article {
  position: relative;
  min-height: 238px;
  padding: 22px 22px 20px;
  box-shadow: 0 10px 28px rgba(27, 71, 142, 0.055);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.product-grid article::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
  opacity: 0.72;
}

.product-grid article:hover {
  transform: translateY(-3px);
  border-color: #a8c9ff;
  box-shadow: 0 18px 42px rgba(27, 71, 142, 0.12);
}

.product-type {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 4px;
  color: var(--blue);
  background: #eef6ff;
  font-size: 12px;
  font-weight: 900;
}

.product-grid h3 {
  margin: 14px 0 8px;
  color: var(--ink);
  font-size: 20px;
}

.product-grid p {
  margin: 0;
  color: #4c5a73;
  font-size: 14px;
  line-height: 1.68;
}

.product-grid ul {
  display: grid;
  gap: 7px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.product-grid li {
  position: relative;
  padding-left: 17px;
  color: #33435f;
  font-size: 13px;
  font-weight: 700;
}

.product-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.solution-card {
  min-height: 142px;
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 26px;
  padding: 22px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.solution-card.blue {
  background: linear-gradient(115deg, #f4f9ff, #ffffff);
}

.solution-card.green {
  background: linear-gradient(115deg, #fbfff5, #ffffff);
}

.solution-card.active,
.solution-card:hover {
  transform: translateY(-2px);
  border-color: #a8c9ff;
  box-shadow: 0 16px 36px rgba(10, 85, 200, 0.1);
}

.solution-card h3 {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 22px;
}

.solution-card.green h3 {
  color: #168a25;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span {
  padding: 3px 8px;
  border: 1px solid #c7daf5;
  border-radius: 4px;
  color: #39506e;
  background: #fff;
  font-size: 12px;
  font-weight: 700;
}

.solution-card p {
  margin: 10px 0 4px;
  font-size: 14px;
}

.solution-card a {
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}

.solution-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #dfefff, #126fff);
}

.solution-icon.user {
  background: linear-gradient(135deg, #e8fad7, #62d913);
  border-radius: 50%;
}

.flow-line,
.process-line {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-line {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.flow-line li,
.process-line li {
  position: relative;
  min-width: 0;
}

.flow-line li:not(:last-child)::after,
.process-line li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 28px;
  right: -10px;
  width: 34px;
  border-top: 1px dashed #89afe8;
}

.flow-line span,
.process-line span {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--blue);
  background: #f4f9ff;
  border: 2px solid #9fc8ff;
  font-size: 17px;
  font-weight: 900;
}

.flow-line strong,
.process-line strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 17px;
}

.flow-line p,
.process-line p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.case-grid article {
  display: grid;
  grid-template-rows: auto auto 1fr;
  padding: 22px 20px;
  background:
    linear-gradient(180deg, #fff, #fbfdff),
    #fff;
}

.case-grid h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 18px;
}

.case-grid p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-self: end;
  gap: 12px;
  margin-top: 4px;
}

.case-metrics div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.case-metrics strong {
  color: var(--blue);
  font-size: 27px;
  line-height: 1;
  white-space: nowrap;
}

.case-metrics span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.process-line {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 390px;
  align-items: start;
  gap: 54px;
  max-width: none;
  margin-top: 10px;
  padding: 54px max(32px, calc((100vw - var(--max)) / 2));
  color: #fff;
  background:
    linear-gradient(135deg, rgba(4, 92, 251, 0.98), rgba(0, 124, 255, 0.98) 58%, rgba(8, 164, 255, 0.98)),
    linear-gradient(120deg, transparent 0 40%, rgba(255, 255, 255, 0.18) 40% 41%, transparent 41% 54%, rgba(255, 255, 255, 0.12) 54% 55%, transparent 55%);
}

.contact h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 42px);
  line-height: 1.15;
}

.contact p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 34px;
}

.contact-list span {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 0 18px 0 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.32);
  font-weight: 700;
  line-height: 1.65;
}

.wecom-card {
  display: grid;
  grid-template-columns: 176px 1fr;
  align-items: center;
  gap: 18px;
  max-width: 590px;
  margin-top: 30px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: 0 18px 44px rgba(0, 36, 112, 0.14);
}

.wecom-card img {
  width: 176px;
  height: 242px;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
}

.wecom-card strong {
  display: block;
  color: #fff;
  font-size: 19px;
}

.wecom-card p {
  max-width: 390px;
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.contact-wecom {
  padding: 24px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(0, 37, 112, 0.18);
  align-self: start;
  text-align: center;
}

.form-head {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.form-head strong {
  display: block;
  color: var(--ink);
  font-size: 20px;
}

.form-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-wecom > img {
  display: block;
  width: min(100%, 238px);
  height: auto;
  margin: 8px auto 18px;
  border-radius: 8px;
  box-shadow: 0 18px 38px rgba(0, 37, 112, 0.13);
}

.wecom-actions {
  display: grid;
  gap: 4px;
  justify-items: center;
}

.wecom-actions strong {
  color: var(--ink);
  font-size: 20px;
}

.wecom-actions span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.wecom-note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.wecom-note span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.wecom-note a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  padding: 22px 18px;
  color: #68758f;
  background: #f7fbff;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.site-footer a {
  color: var(--blue);
  font-weight: 700;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 150px 1fr auto;
    gap: 18px;
  }

  .nav {
    gap: 24px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  .hero-copy {
    transform: none;
  }

  .command-center {
    max-width: 920px;
    margin-left: 0;
  }

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

  .capability-rail,
  .product-grid,
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .capability-rail article {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
  }

  .flow-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 64px;
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }

  .brand img {
    width: 112px;
  }

  .menu-toggle {
    display: block;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .site-header.open .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-header.open .nav a {
    height: 44px;
    padding: 0 10px;
  }

  .site-header.open .nav a::after {
    display: none;
  }

  .hero {
    min-height: 0;
    padding: 38px 18px 28px;
  }

  .hero-copy {
    transform: none;
  }

  .hero-copy h1 {
    font-size: 34px;
    line-height: 1.14;
  }

  .hero-copy h1 span {
    white-space: normal;
  }

  .hero-copy p {
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.72;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    margin-top: 24px;
  }

  .command-center {
    grid-template-columns: 1fr;
  }

  .center-sidebar {
    display: none;
  }

  .center-main {
    padding: 18px;
  }

  .metric-grid,
  .dashboard-grid,
  .solution-panels,
  .capability-rail,
  .product-grid,
  .case-grid,
  .flow-line,
  .process-line,
  .contact-list {
    grid-template-columns: 1fr;
  }

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

  .metric-grid strong {
    font-size: 22px;
  }

  .section-row {
    padding: 34px 18px;
  }

  .product-grid article {
    min-height: 0;
  }

  .solution-card {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .flow-line li:not(:last-child)::after,
  .process-line li:not(:last-child)::after {
    left: 29px;
    top: auto;
    right: auto;
    bottom: -18px;
    width: 1px;
    height: 18px;
    border-top: 0;
    border-left: 1px dashed #89afe8;
  }

  .contact {
    padding: 42px 18px;
  }

  .wecom-card {
    grid-template-columns: 112px 1fr;
    gap: 14px;
  }

  .wecom-card img {
    width: 112px;
    height: 154px;
  }
}

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