:root {
  --blue: #023194;
  --blue-dark: #011f67;
  --red: #e62125;
  --ink: #1f2024;
  --muted: #475569;
  --soft: #F1F5F9;
  --soft-2: #F8FAFC;
  --line: #E2E8F0;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Bai Jamjuree", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-pad {
  padding: 84px 0;
}

.soft-bg {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF6FC 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 300px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

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

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.header-cta,
.btn-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 12px 28px rgba(2, 49, 148, 0.24);
}

.header-cta:hover,
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at top right, rgba(2,49,148,.14), transparent 34%), linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -160px -240px auto;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: rgba(230, 33, 37, 0.08);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
}

h3 {
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.hero-subtitle,
.section-heading p,
.split-copy p,
.comparison-copy p,
.form-intro p {
  color: var(--muted);
  font-size: 17px;
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 34px 0;
}

.proof-row div {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.proof-row strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.proof-row span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  margin-top: 4px;
}

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

.quick-card,
.lead-form,
.info-box,
.card,
.pricing-card,
.faq-list details,
.cta-panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.quick-card {
  padding: 28px;
}

.quick-card-header h2 {
  font-size: 28px;
  margin: 10px 0 8px;
}

.quick-card-header p,
.form-note {
  color: var(--muted);
  font-size: 14px;
}

.badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--blue);
  background: rgba(2, 49, 148, 0.1);
  font-size: 12px;
  font-weight: 700;
}

.quick-form,
.lead-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

label span em {
  color: var(--red);
  font-style: normal;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid #CBD5E1;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ink);
  background: white;
  font: inherit;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(2,49,148,0.12);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.cards.three-col,
.steps,
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  padding: 28px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

.card p,
.steps p,
.pricing-card li,
.faq-list p,
.site-footer p {
  color: var(--muted);
}

.icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(2, 49, 148, 0.1);
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 18px;
}

.split-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 58px;
  align-items: center;
}

.image-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 14px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  width: 8px;
  height: 5px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg);
}

.form-section {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.form-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 36px;
  align-items: start;
}

.form-intro {
  position: sticky;
  top: 110px;
}

.info-box {
  padding: 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
  margin-top: 26px;
}

.info-box p {
  margin-bottom: 0;
  font-size: 14px;
}

.lead-form {
  padding: 30px;
  box-shadow: var(--shadow);
}

.form-block {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.form-block:last-of-type {
  border-bottom: 0;
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid.two-col {
  grid-template-columns: repeat(2, 1fr);
}

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

.field-group {
  display: grid;
  gap: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

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

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.option-grid .checkbox-row {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 12px 14px;
  min-height: 48px;
}

.option-grid .checkbox-row span {
  color: var(--ink);
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 700;
  color: var(--muted);
}

.checkbox-row input {
  width: 20px;
  min-width: 20px;
  height: 20px;
  min-height: 20px;
  margin-top: 2px;
  accent-color: var(--blue);
}

.submit-row {
  display: grid;
  gap: 14px;
  align-items: center;
}

.form-message {
  margin: 0;
  min-height: 24px;
  font-weight: 700;
}

.form-message.success {
  color: #047857;
}

.form-message.error {
  color: #B91C1C;
}

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

.steps article {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid var(--line);
}

.steps span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--blue);
  color: white;
  border-radius: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: center;
}

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

.pricing-card {
  padding: 28px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.pricing-card.featured {
  border-color: rgba(2,49,148,.42);
  transform: translateY(-8px);
}

.price {
  color: var(--blue);
  font-weight: 700;
}

.pricing-card ul {
  padding-left: 18px;
  margin: 18px 0 0;
}

.pricing-card li {
  margin-bottom: 10px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
}

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

.faq-list details {
  padding: 20px 22px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin: 12px 0 0;
}

.final-cta {
  background: white;
}

.cta-panel {
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  background: linear-gradient(135deg, #FFFFFF 0%, #EFF8FF 100%);
}

.cta-panel h2 {
  margin-bottom: 0;
  max-width: 850px;
}

.site-footer {
  padding: 46px 0;
  background: #1f2024;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 36px;
}

.site-footer h3 {
  color: white;
}

.site-footer p {
  color: #CBD5E1;
  margin-bottom: 8px;
}

.site-footer img {
  background: white;
  border-radius: 14px;
  padding: 6px 10px;
  margin-bottom: 18px;
}

@media (max-width: 1020px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .split-grid,
  .form-layout,
  .comparison-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .form-intro {
    position: static;
  }

  .proof-row,
  .cards.three-col,
  .steps,
  .pricing-cards,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .section-pad {
    padding: 58px 0;
  }

  .header-inner {
    min-height: 70px;
  }

  .brand img {
    width: 190px;
  }

  .header-cta {
    display: none;
  }

  .quick-card,
  .lead-form,
  .cta-panel {
    padding: 22px;
  }

  .field-grid.two-col,
  .field-grid.three-col {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn,
  .cta-panel .btn {
    width: 100%;
  }
}


@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .section-pad {
    padding: 46px 0;
  }

  .site-header {
    position: sticky;
  }

  .header-inner {
    min-height: 64px;
    justify-content: center;
  }

  .brand img {
    width: min(245px, 78vw);
  }

  .hero-grid {
    gap: 28px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.08;
    letter-spacing: -0.035em;
    margin-bottom: 16px;
  }

  h2 {
    font-size: 27px;
    line-height: 1.16;
    letter-spacing: -0.025em;
  }

  h3 {
    font-size: 18px;
  }

  .hero-subtitle,
  .section-heading p,
  .split-copy p,
  .comparison-copy p,
  .form-intro p {
    font-size: 15.5px;
  }

  .proof-row {
    margin: 24px 0;
    gap: 10px;
  }

  .proof-row div,
  .card,
  .steps article,
  .pricing-card,
  .faq-list details {
    border-radius: 18px;
    padding: 18px;
  }

  .quick-card,
  .lead-form,
  .cta-panel {
    border-radius: 22px;
    padding: 18px;
  }

  .quick-card-header h2 {
    font-size: 24px;
  }

  input,
  select,
  textarea {
    min-height: 46px;
    border-radius: 12px;
    font-size: 15px;
  }

  label {
    font-size: 13.5px;
  }

  .form-block {
    gap: 14px;
    padding-bottom: 18px;
  }

  .option-grid {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .option-grid .checkbox-row {
    padding: 11px 12px;
  }

  .checkbox-row {
    align-items: flex-start;
    gap: 10px;
  }

  .checkbox-row input {
    margin-top: 3px;
  }

  .btn,
  .header-cta {
    min-height: 48px;
    padding: 12px 18px;
    font-size: 14px;
  }

  .image-panel {
    border-radius: 22px;
  }

  .footer-grid {
    gap: 24px;
  }

  .site-footer {
    padding: 36px 0;
  }

  .site-footer img {
    width: min(250px, 82vw);
  }
}

/* Chinese landing page refinements */
body { font-feature-settings: "kern"; }
.lead-form label span, .field-group > span { line-height: 1.45; }
.checkbox-row span { line-height: 1.45; }
.quick-card h2, .form-intro h2, .section-heading h2, .split-copy h2, .comparison-copy h2, .cta-panel h2 { letter-spacing: -0.02em; }
@media (max-width: 640px) {
  .lead-form label span, .field-group > span { font-size: 14px; }
  .checkbox-row { align-items: flex-start; }
}
.hidden-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}