:root {
  --blue: #165dff;
  --blue-dark: #0f3880;
  --blue-soft: #e8f3ff;
  --orange: #ff7d00;
  --ink: #172033;
  --text: #333333;
  --muted: #687386;
  --line: #e5e7eb;
  --bg: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 12px 36px rgba(22, 93, 255, 0.12);
  --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(22, 93, 255, 0.12);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

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

.brand-mark {
  width: 48px;
  height: 48px;
  overflow: hidden;
  border: 1px solid rgba(22, 93, 255, 0.14);
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(22, 93, 255, 0.14);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text strong,
.brand-text small {
  display: block;
}

.brand-text strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
}

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

.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

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

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 15px;
  border-radius: 8px;
  background: var(--orange);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(255, 125, 0, 0.24);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
  content: "";
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 255, 255, 0.2), transparent 24%),
    linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 96px);
  content: "";
}

.hero-home {
  min-height: calc(100vh - 76px);
}

.hero-page {
  min-height: 62vh;
}

.hero-slim {
  min-height: 52vh;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 46px;
  align-items: center;
  padding-top: 78px;
  padding-bottom: 78px;
}

.hero-copy h1 {
  margin: 0 0 20px;
  color: var(--white);
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
}

.hero-copy p {
  max-width: 760px;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 22px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  background: var(--orange);
  content: "";
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.tag-row li {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.94);
  font-size: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 14px 28px rgba(255, 125, 0, 0.26);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-blue {
  background: var(--blue);
  color: var(--white);
}

.hero-visual {
  position: relative;
  min-height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: contain;
  padding: 36px;
  background: rgba(255, 255, 255, 0.94);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.metric-card {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
}

.metric-card strong {
  display: block;
  color: var(--white);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}

.metric-card span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.86);
}

.section {
  padding: 86px 0;
  background: var(--white);
}

.section-alt {
  background: var(--bg);
}

.section-blue {
  background:
    linear-gradient(135deg, rgba(22, 93, 255, 0.08), rgba(232, 243, 255, 0.5)),
    var(--white);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.55fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.18;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}

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

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

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

.card {
  border: 1px solid rgba(22, 93, 255, 0.12);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.feature-card,
.product-card,
.case-card,
.info-card,
.faq-item {
  padding: 26px;
}

.product-card {
  min-height: 330px;
}

.product-card h3,
.feature-card h3,
.case-card h3,
.info-card h3,
.industry-card h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.product-card p,
.feature-card p,
.case-card p,
.info-card p,
.industry-card p {
  margin: 0;
  color: var(--muted);
}

.icon-chip {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--ink);
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  content: "";
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.price-table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
}

.price-table th,
.price-table td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.price-table th {
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
}

.price-table tr:nth-child(odd) td {
  background: #fafcff;
}

.price-table tr.featured-row td {
  border-top: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  background: #fff7ed;
}

.price-table tr.featured-row td:first-child {
  border-left: 2px solid var(--orange);
}

.price-table tr.featured-row td:last-child {
  border-right: 2px solid var(--orange);
}

.price {
  color: var(--orange);
  font-size: 24px;
  font-weight: 900;
  white-space: nowrap;
}

.small-list {
  margin: 0;
  padding-left: 18px;
}

.small-list li {
  margin: 0 0 6px;
}

.industry-preview-card {
  min-height: 180px;
  padding: 22px;
  border-radius: 8px;
  background: var(--blue-soft);
  border: 1px solid rgba(22, 93, 255, 0.1);
}

.industry-preview-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 18px;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.logo-item {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  color: #8792a5;
  font-weight: 800;
  filter: grayscale(1);
  transition: filter 160ms ease, color 160ms ease, border-color 160ms ease;
}

.logo-item:hover {
  filter: grayscale(0);
  border-color: rgba(22, 93, 255, 0.4);
  color: var(--blue);
}

.case-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
  padding: 30px;
}

.case-side {
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 22px;
  border-radius: 12px;
  background: var(--blue-soft);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.result-box {
  padding: 14px;
  border-radius: 10px;
  background: #fff7ed;
}

.result-box strong {
  display: block;
  color: var(--orange);
  font-size: 26px;
  line-height: 1.1;
}

.result-box span {
  color: var(--ink);
  font-size: 13px;
}

.industry-nav {
  position: sticky;
  top: 76px;
  z-index: 20;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.industry-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.industry-tabs a {
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
}

.industry-tabs a:hover,
.industry-tabs a.is-current {
  background: var(--blue);
  color: var(--white);
}

.industry-card {
  padding: 34px;
  margin-bottom: 22px;
}

.industry-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.priority {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff7ed;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
}

.industry-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  padding: 20px;
  border-radius: 10px;
  background: #f8fbff;
  border: 1px solid rgba(22, 93, 255, 0.1);
}

.panel h4 {
  margin: 0 0 10px;
  color: var(--ink);
}

.panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.faq-search {
  width: min(100%, 600px);
  margin-top: 22px;
}

.faq-search input {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  outline: none;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.14);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  text-align: left;
  font-weight: 900;
}

.faq-question:hover {
  color: var(--blue);
}

.faq-answer {
  display: none;
  margin-top: 18px;
  color: var(--muted);
}

.faq-item.is-open .faq-answer {
  display: block;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 14px;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
}

.compare-table th {
  background: var(--blue-soft);
  color: var(--ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.wechat-card {
  width: min(100%, 280px);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

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

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

.field label {
  color: var(--ink);
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  padding: 12px;
  outline: none;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
}

.privacy {
  color: var(--muted);
  font-size: 14px;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.map-box {
  display: grid;
  place-items: center;
  min-height: 400px;
  border: 1px solid rgba(22, 93, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(22, 93, 255, 0.12), rgba(255, 125, 0, 0.08)),
    repeating-linear-gradient(90deg, rgba(22, 93, 255, 0.08) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(22, 93, 255, 0.08) 0 1px, transparent 1px 72px),
    var(--white);
  color: var(--ink);
  text-align: center;
  padding: 24px;
}

.cta-banner {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  text-align: center;
}

.cta-banner h2 {
  margin: 0 0 12px;
  color: var(--white);
  font-size: clamp(28px, 4vw, 44px);
}

.cta-banner p {
  margin: 0 auto;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.86);
}

.site-footer {
  background: #0b1733;
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) 0.7fr 0.9fr;
  gap: 36px;
  padding: 46px 0;
}

.footer-grid h3,
.footer-grid h4 {
  margin: 0 0 12px;
  color: var(--white);
}

.footer-grid p {
  margin: 0;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .header-cta {
    display: none;
  }

  .grid-4,
  .metric-grid,
  .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  body.nav-open .main-nav {
    display: flex;
  }

  .main-nav a {
    justify-content: center;
  }

  .hero-inner,
  .section-head,
  .form-layout,
  .footer-grid,
  .case-detail {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 300px;
  }

  .hero-visual img {
    min-height: 300px;
    padding: 22px;
  }

  .section {
    padding: 62px 0;
  }

  .industry-nav {
    top: 76px;
  }

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

@media (max-width: 560px) {
  .container {
    padding: 0 18px;
  }

  .brand-text small {
    display: none;
  }

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

  .hero-inner {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .metric-grid,
  .result-grid,
  .form-row,
  .logo-wall {
    grid-template-columns: 1fr;
  }

  .actions,
  .cta-banner .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .industry-card,
  .case-detail,
  .feature-card,
  .product-card,
  .case-card,
  .info-card,
  .faq-item {
    padding: 22px;
  }
}