:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #e9f0f8;
  --text: #1a2a3a;
  --muted: #4f6478;
  --primary: #0a6dbb;
  --primary-strong: #055691;
  --accent: #ff8a00;
  --border: #d8e3ef;
  --radius: 14px;
  --shadow: 0 12px 34px rgba(10, 34, 59, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #d7ecff 0%, #f4f7fb 50%, #eef3fb 100%);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(244, 247, 251, 0.9);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

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

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

button,
.btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s ease;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(110deg, var(--primary), #1687e0);
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(110deg, var(--primary-strong), var(--primary));
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--primary);
}

.lang-toggle {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

main {
  padding: 28px 0 64px;
}

.section {
  padding: 52px 0;
}

.section h1,
.section h2,
.section h3 {
  line-height: 1.25;
  margin-top: 0;
}

.page-hero {
  padding: 42px;
  background: linear-gradient(140deg, #092f52, #0a6dbb 65%, #22a2f2);
  color: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card p,
.muted {
  color: var(--muted);
}

.list {
  margin: 0;
  padding-left: 20px;
}

details summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  margin: 10px 0 0;
}

.section-title {
  margin-bottom: 18px;
}

.kpi {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
}

.cta-banner {
  background: linear-gradient(130deg, #eaf4ff, #d9ecff);
  border: 1px solid #bed9f5;
  border-radius: 18px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

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

textarea {
  min-height: 140px;
  resize: vertical;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0 34px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 14px;
}

@media (max-width: 900px) {
  .grid-3,
  .grid-2,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 28px;
  }

  .site-nav {
    gap: 12px;
    font-size: 0.95rem;
  }
}

@media (max-width: 680px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 6px;
  }
}

.form-status {
  margin: 12px 0 0;
  font-weight: 600;
}

.form-status.is-success {
  color: #1b7f39;
}

.form-status.is-error {
  color: #b42318;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.home-main {
  background: radial-gradient(1200px 540px at 80% -5%, rgba(255, 132, 0, 0.2), transparent), radial-gradient(900px 500px at -5% 15%, rgba(23, 118, 198, 0.15), transparent);
}

.home-hero {
  padding-top: 34px;
}

.hero-stage {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  background: linear-gradient(128deg, #062d51, #0f5f9f 55%, #176ab5);
  border-radius: 28px;
  padding: 42px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-stage::before,
.hero-stage::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero-stage::before {
  width: 360px;
  height: 360px;
  right: -110px;
  top: -120px;
  background: radial-gradient(circle, rgba(255, 157, 0, 0.35), transparent 65%);
}

.hero-stage::after {
  width: 280px;
  height: 280px;
  left: -90px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(117, 216, 255, 0.32), transparent 70%);
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 12px 0 14px;
}

.hero-copy p {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.9);
}

.hero-badge {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.86rem;
  letter-spacing: 0.03em;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(6, 17, 33, 0.35);
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.pulse-ring {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.52);
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.22);
  animation: pulse 2.2s infinite;
}

.metric-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
}

.metric-label {
  font-size: 0.82rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.metric-value {
  margin: 4px 0 0;
  font-size: 1.24rem;
  font-weight: 700;
}

.home-services-strong .section-title {
  margin-bottom: 24px;
}

.service-stack {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.1fr;
  gap: 14px;
}

.service-tile {
  background: #fff;
  border: 1px solid #d4e3f1;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 12px 28px rgba(11, 36, 61, 0.08);
  transform: translateY(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-tile:nth-child(2) {
  background: linear-gradient(160deg, #f7fbff, #e6f2ff);
}

.service-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(10, 49, 86, 0.14);
}

.tile-index {
  display: inline-block;
  color: #0d72bf;
  background: #e9f4ff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 700;
}

.service-tile a {
  color: #0a6dbb;
  font-weight: 700;
}

.why-track {
  display: grid;
  gap: 10px;
}

.why-track > div {
  border-left: 3px solid #b8d7f1;
  padding-left: 12px;
}

.process-card {
  background: linear-gradient(180deg, #f8fbff, #eef6ff);
}

.process-line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.process-line li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: center;
  background: #fff;
  border: 1px solid #d4e6f6;
  border-radius: 12px;
  padding: 10px 12px;
}

.process-line span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #e7f3ff;
  color: #095f9f;
  font-weight: 700;
  display: inline-grid;
  place-items: center;
}

.process-line p {
  margin: 0;
}

.cta-strong {
  background: linear-gradient(120deg, #092e50, #0f5f9f 62%, #2a8ddf);
  border: none;
  color: #fff;
}

.cta-strong h2,
.cta-strong p {
  color: rgba(255, 255, 255, 0.96);
  margin: 0;
}

.cta-strong p {
  margin-top: 8px;
  opacity: 0.9;
}

.reveal-1,
.reveal-2,
.reveal-3 {
  opacity: 0;
  transform: translateY(12px);
  animation: reveal 0.7s ease forwards;
}

.reveal-2 {
  animation-delay: 0.12s;
}

.reveal-3 {
  animation-delay: 0.22s;
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.25);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

@media (max-width: 980px) {
  .hero-stage {
    grid-template-columns: 1fr;
    padding: 30px;
  }

  .service-stack {
    grid-template-columns: 1fr;
  }
}

.visual-page {
  background: radial-gradient(1100px 420px at 95% 0%, rgba(255, 150, 0, 0.14), transparent), radial-gradient(900px 420px at 0% 8%, rgba(32, 123, 205, 0.16), transparent);
}

.visual-hero-wrap {
  padding-top: 34px;
}

.visual-hero {
  background: linear-gradient(130deg, #072f52, #0f5f9f 62%, #1d89dd);
  color: #fff;
  border-radius: 24px;
  padding: 38px;
  box-shadow: 0 18px 44px rgba(5, 34, 58, 0.2);
  position: relative;
  overflow: hidden;
}

.visual-hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  right: -100px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 172, 52, 0.28), transparent 70%);
}

.visual-hero h1,
.visual-hero p {
  position: relative;
  z-index: 1;
}

.visual-hero p {
  color: rgba(255, 255, 255, 0.92);
  max-width: 56ch;
}

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

.visual-service-grid,
.visual-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.glass-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.88), rgba(244, 250, 255, 0.92));
  border: 1px solid #d2e4f5;
}

.highlight-band {
  background: linear-gradient(120deg, #062e50, #0f5f9f 62%, #2a8ddf);
  border-radius: 18px;
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.highlight-band h2 {
  margin: 0;
  color: #fff;
  max-width: 44ch;
}

.faq-grid .card {
  box-shadow: 0 10px 24px rgba(7, 43, 73, 0.08);
}

@media (max-width: 980px) {
  .visual-grid,
  .visual-service-grid,
  .visual-case-grid {
    grid-template-columns: 1fr;
  }

  .visual-hero {
    padding: 28px;
  }
}
