:root {
  --blue: #073b91;
  --blue-deep: #062c70;
  --gold: #f2c95f;
  --gold-dark: #d8a934;
  --ink: #172033;
  --muted: #667085;
  --line: #d8deea;
  --paper: #f7f9fc;
  --white: #ffffff;
  --green: #0f766e;
  --shadow: 0 24px 60px rgba(8, 31, 75, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 222, 234, 0.72);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 188px;
}

.brand-mark {
  display: grid;
  width: 50px;
  height: 40px;
  place-items: center;
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
  font-style: italic;
  border: 2px solid var(--blue);
  border-radius: 8px;
  box-shadow: inset 0 -6px 0 rgba(242, 201, 95, 0.55);
}

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

.brand strong {
  font-size: 17px;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #26344d;
  font-size: 15px;
  font-weight: 700;
}

.site-nav a {
  padding: 8px 0;
}

.nav-cta {
  padding: 10px 18px !important;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(42px, 8vw, 88px) clamp(20px, 5vw, 72px) 42px;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(7, 59, 145, 0.96) 0%, rgba(7, 59, 145, 0.9) 48%, rgba(255, 255, 255, 0) 48.2%),
    linear-gradient(180deg, #f8fbff 0%, #ecf2fb 100%);
}

.hero-copy {
  align-self: center;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-text {
  max-width: 720px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 900;
}

.button.primary {
  color: var(--blue-deep);
  background: var(--gold);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 680px;
  margin: 42px 0 0;
}

.hero-metrics div {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}

.hero-metrics dt {
  color: var(--gold);
  font-size: 31px;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.hero-visual {
  align-self: center;
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 1 / 1.18;
  object-fit: cover;
  object-position: left center;
  border-radius: 6px;
}

.section-pad {
  padding: clamp(58px, 8vw, 100px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 34px;
}

.section-heading h2,
.brochure-copy h2,
.contact h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: 0;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.48fr);
  gap: 42px;
  max-width: none;
  align-items: end;
}

.section-heading.split > p {
  margin: 0;
  color: var(--muted);
}

.pain-points {
  background: var(--paper);
}

.point-grid,
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.point-grid article,
.advantage-grid article,
.service-list article,
.plan,
.case-grid article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.point-grid span,
.timeline span {
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

h3 {
  margin: 8px 0 10px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

p {
  margin: 0;
}

.point-grid p,
.advantage-grid p,
.service-list p,
.plan p,
.case-grid p,
.timeline p,
.brochure-copy p {
  color: var(--muted);
}

.services {
  background: var(--white);
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 20px;
}

.service-feature {
  padding: 34px;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
}

.service-feature h3 {
  color: var(--gold);
  font-size: 32px;
}

.service-feature p {
  color: rgba(255, 255, 255, 0.86);
}

ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.service-list {
  display: grid;
  gap: 20px;
}

.advantages {
  background: #fdf8ea;
}

.advantage-grid article {
  background: rgba(255, 255, 255, 0.78);
}

.plans {
  background: var(--paper);
}

.plan-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.plan.highlighted {
  border-color: rgba(7, 59, 145, 0.55);
  box-shadow: var(--shadow);
}

.case-grid dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.case-grid article:nth-child(2) dl {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-grid dt {
  color: var(--blue);
  font-size: 28px;
  font-weight: 900;
}

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

.process {
  background: var(--white);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  min-height: 260px;
  padding: 26px;
  border-left: 4px solid var(--gold);
  background: var(--paper);
  border-radius: 8px;
}

.timeline small {
  display: block;
  margin-top: 18px;
  color: var(--blue);
  font-weight: 900;
}

.brochure {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(340px, 1fr);
  gap: 38px;
  align-items: center;
  background: var(--blue-deep);
}

.brochure h2,
.brochure p {
  color: var(--white);
}

.brochure-copy p:last-child {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.78);
}

.brochure img {
  width: 100%;
  max-height: 620px;
  object-fit: contain;
  background: var(--white);
  border-radius: 8px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: clamp(48px, 7vw, 86px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(120deg, var(--blue) 0%, #0c5ab5 100%);
}

.contact h2,
.contact p {
  color: var(--white);
}

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

.phone-link {
  display: block;
  min-width: 260px;
  padding: 14px 18px;
  color: var(--blue-deep);
  background: var(--gold);
  border-radius: 8px;
  font-weight: 900;
  text-align: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #5b667a;
  background: #101827;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 980px) {
  .hero,
  .service-layout,
  .section-heading.split,
  .brochure,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background: var(--blue);
  }

  .hero-visual {
    max-width: 620px;
  }

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

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
    gap: 12px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 44px;
    height: 36px;
    font-size: 19px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    font-size: 10px;
  }

  .nav-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 16px;
    left: 16px;
    display: none;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
    gap: 10px;
  }

  .site-nav a {
    padding: 12px 10px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    gap: 28px;
    padding: 34px 16px 38px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  .hero-text {
    margin-top: 18px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    gap: 10px;
    margin-top: 24px;
  }

  .button {
    width: 100%;
    min-height: 46px;
    padding: 11px 16px;
  }

  .hero-metrics {
    gap: 10px;
    margin-top: 28px;
  }

  .hero-metrics div {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
  }

  .hero-metrics dt {
    font-size: 27px;
  }

  .hero-visual {
    padding: 8px;
  }

  .hero-visual img {
    aspect-ratio: 4 / 3;
    object-position: left top;
  }

  .section-pad {
    padding: 46px 16px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .section-heading h2,
  .brochure-copy h2,
  .contact h2 {
    font-size: 28px;
    line-height: 1.22;
  }

  .section-heading.split {
    gap: 16px;
  }

  .point-grid article,
  .advantage-grid article,
  .service-list article,
  .plan,
  .case-grid article,
  .service-feature,
  .timeline li {
    padding: 20px;
  }

  h3 {
    font-size: 20px;
  }

  .service-feature h3 {
    font-size: 26px;
  }

  .hero-metrics,
  .plan-grid,
  .case-grid,
  .case-grid dl,
  .case-grid article:nth-child(2) dl {
    grid-template-columns: 1fr;
  }

  .point-grid,
  .advantage-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline li {
    min-height: 0;
  }

  .brochure {
    gap: 22px;
  }

  .brochure img {
    max-height: none;
  }

  .contact {
    gap: 22px;
    padding: 44px 16px;
  }

  .contact-actions {
    width: 100%;
  }

  .phone-link {
    min-width: 0;
    width: 100%;
  }

  .site-footer {
    display: grid;
    padding: 22px 16px;
    gap: 8px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 31px;
  }

  .section-heading h2,
  .brochure-copy h2,
  .contact h2 {
    font-size: 25px;
  }

  .hero-visual img {
    aspect-ratio: 1 / 0.88;
  }

  .case-grid dt {
    font-size: 25px;
  }
}