:root {
  --bg: #f7f6f4;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e8e4df;
  --brand: #e04010;
  --brand-dark: #b9330c;
  --navy: #1a1410;
  --soft: #fff1eb;
  --ok: #0f9f6e;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.top-bar {
  background: var(--navy);
  color: #ffe8db;
  font-size: 13px;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
}

.top-bar a {
  color: #ffb899;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(224, 64, 16, 0.28);
}

.brand strong {
  display: block;
  font-size: 15px;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.top-nav {
  display: flex;
  gap: 4px;
}

.top-nav a {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: #334155;
}

.top-nav a:hover {
  background: var(--soft);
  color: var(--brand);
}

.lang-switch {
  display: flex;
  gap: 4px;
}

.lang-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 7px;
  padding: 5px 8px;
  cursor: pointer;
  color: #334155;
}

.lang-btn.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-sm {
  padding: 8px 12px;
  font-size: 13px;
}

.hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(circle at 90% 10%, rgba(224, 64, 16, 0.12), transparent 35%),
    linear-gradient(180deg, #ffffff 0%, #f7f6f4 100%);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-desc {
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 17px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  color: #334155;
}

.hero-dashboard {
  background: var(--navy);
  color: #e7efff;
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.dash-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.dash-head h2 {
  margin: 0;
  font-size: 18px;
}

.status-pill {
  background: rgba(15, 159, 110, 0.18);
  color: #6ee7b7;
  border: 1px solid rgba(110, 231, 183, 0.35);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
}

.meter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.meter {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px;
}

.meter span {
  display: block;
  color: #ffb899;
  font-size: 12px;
}

.meter strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
}

.dash-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: #f3d5c5;
}

.logo-strip {
  padding: 18px 0 8px;
}

.logo-strip p {
  margin: 0 0 10px;
  color: #64748b;
  font-size: 13px;
}

.logo-strip-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.logo-strip-items span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: #334155;
  font-size: 13px;
}

.section {
  padding: 72px 0;
}

.section-soft {
  background: #f3eeea;
}

.section-dark {
  background: linear-gradient(160deg, #1a1410, #3a2218);
  color: #fff4ee;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2,
.about-layout h2,
.contact-layout h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em;
}

.section-head p,
.about-layout > div > p,
.contact-layout > div > p {
  margin: 0;
  color: var(--muted);
}

.section-dark .section-head p,
.section-dark .section-kicker {
  color: #ffb899;
}

.section-dark h2 {
  color: #fff;
}

.solution-grid,
.service-grid,
.scenario-grid,
.deploy-grid {
  display: grid;
  gap: 14px;
}

.solution-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.sol-card,
.svc-card,
.scenario-card,
.deploy-step,
.company-panel,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.sol-card.featured {
  background: linear-gradient(160deg, #e04010, #ff6a35);
  color: #fff;
  border: none;
}

.sol-tag {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
}

.sol-card.featured .sol-tag {
  color: #ffe2d4;
}

.sol-card h3,
.svc-card h3,
.scenario-card h3,
.deploy-step h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.sol-card p,
.svc-card p,
.scenario-card p,
.deploy-step p {
  margin: 0;
  color: var(--muted);
}

.sol-card.featured p {
  color: #ffe8db;
}

.sol-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.sol-card.featured ul {
  color: #ffe8db;
}

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

.svc-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--soft);
  color: var(--brand);
  font-weight: 700;
  margin-bottom: 12px;
}

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

.scenario-result {
  margin-top: 12px !important;
  color: var(--ok) !important;
  font-weight: 600;
}

.deploy-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 16px;
}

.deploy-step {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.deploy-step span {
  color: #ffb899;
  font-size: 12px;
  font-weight: 700;
}

.deploy-step h3 {
  color: #fff;
}

.deploy-step p {
  color: #f0d2c4;
}

.sla-box {
  margin-top: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.sla-box h3 {
  margin: 0 0 6px;
  color: #fff;
}

.sla-box p {
  margin: 0;
  color: #f0d2c4;
}

.sla-metrics {
  display: flex;
  gap: 18px;
}

.sla-metrics strong {
  display: block;
  font-size: 24px;
  color: #fff;
}

.sla-metrics span {
  color: #ffb899;
  font-size: 12px;
}

.about-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

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

.company-panel h3 {
  margin: 0 0 14px;
}

.company-dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.company-dl div {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.company-dl dt {
  color: #64748b;
  font-size: 12px;
  margin-bottom: 2px;
}

.company-dl dd {
  margin: 0;
  font-weight: 600;
  word-break: break-word;
}

.contact-meta {
  margin-top: 16px;
  display: grid;
  gap: 6px;
}

.contact-meta p {
  margin: 0;
  color: #334155;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: #334155;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(224, 64, 16, 0.2);
  border-color: var(--brand);
}

.form-note {
  margin: 0;
  color: #64748b;
  font-size: 12px;
}

.site-footer {
  background: #140f0c;
  color: #f0d8cc;
  padding: 36px 0 18px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid h4 {
  margin: 0 0 10px;
  color: #fff;
}

.footer-grid p,
.footer-grid a {
  margin: 0 0 8px;
  display: block;
  color: #d4b5a4;
  font-size: 14px;
}

.footer-bottom {
  padding-top: 14px;
}

.footer-bottom p {
  margin: 0;
  color: #b89684;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .hero-layout,
  .solution-grid,
  .service-grid,
  .scenario-grid,
  .deploy-grid,
  .about-layout,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .solution-grid,
  .service-grid,
  .scenario-grid,
  .deploy-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .header-actions {
    display: none;
    position: absolute;
    left: 4%;
    right: 4%;
    top: 68px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--shadow);
  }

  .header-actions.open {
    display: flex;
  }

  .top-nav {
    flex-direction: column;
  }

  .hero-layout,
  .solution-grid,
  .service-grid,
  .scenario-grid,
  .deploy-grid,
  .about-layout,
  .contact-layout,
  .footer-grid,
  .sla-box {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .sla-metrics {
    width: 100%;
    justify-content: space-between;
  }

  .top-bar-inner {
    flex-direction: column;
  }
}