:root {
  --ink: #07111f;
  --muted: #627083;
  --subtle: #8a97a8;
  --line: #e2ebf3;
  --blue: #0b79e3;
  --cyan: #2cc7f0;
  --mist: #f7fbff;
  --panel: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 80px rgba(23, 60, 102, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 8%, rgba(11, 121, 227, 0.1), transparent 28%),
    linear-gradient(180deg, #fbfdff 0%, #f8fbff 42%, #ffffff 100%);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(226, 235, 243, 0.76);
  background: rgba(251, 253, 255, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  gap: clamp(16px, 2.4vw, 30px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.hero,
.section {
  padding-inline: clamp(20px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.72fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: center;
  min-height: calc(100vh - 65px);
  padding-top: 62px;
  padding-bottom: 62px;
}

.hero-question {
  max-width: 940px;
}

.eyebrow,
.column-label,
.provider-heading span {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

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

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(48px, 6.4vw, 88px);
  line-height: 1.02;
}

.hero-answer {
  max-width: 760px;
  margin-bottom: 20px;
  color: #172337;
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 800;
  line-height: 1.18;
}

.hero-lead,
.section-intro p,
.access-section p {
  max-width: 780px;
  color: #46576b;
  font-size: clamp(17px, 1.4vw, 21px);
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 34px;
}

.signal-row span {
  min-height: 34px;
  padding: 6px 14px;
  border: 1px solid rgba(11, 121, 227, 0.15);
  border-radius: 999px;
  color: #28516f;
  background: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  font-weight: 750;
}

.hero-actions,
.access-actions,
.provider-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.primary-button {
  padding: 0 24px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 14px 34px rgba(8, 17, 31, 0.18);
}

.secondary-button {
  padding: 0 22px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.procurement-brief {
  min-width: 0;
  padding: 26px;
  border: 1px solid rgba(202, 218, 232, 0.92);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.brief-header {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.brief-header span,
.brief-fields span,
.brief-finding span {
  color: var(--subtle);
  font-size: 13px;
  font-weight: 800;
}

.brief-header strong {
  font-size: 28px;
  line-height: 1.15;
}

.brief-fields {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.brief-fields div,
.brief-finding,
.brief-chain span {
  border-radius: 18px;
  background: #fff;
}

.brief-fields div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
}

.brief-fields strong {
  text-align: right;
}

.brief-finding {
  padding: 18px;
  margin-bottom: 14px;
}

.brief-finding p {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 760;
  line-height: 1.36;
}

.brief-chain {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brief-chain span {
  padding: 8px 12px;
  color: #28516f;
  font-size: 13px;
  font-weight: 760;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
}

.section-intro {
  max-width: 900px;
  margin-bottom: 42px;
}

.section-intro.wide {
  max-width: 1080px;
}

.section-intro h2,
.access-section h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.1;
}

.why-section,
.market-section {
  background: #fff;
}

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

.gap-layout article,
.method-steps article,
.provider-card,
.flywheel div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 56px rgba(28, 68, 110, 0.06);
}

.gap-layout article {
  padding: clamp(26px, 4vw, 42px);
}

.gap-layout span,
.method-steps span,
.flywheel span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.gap-layout h3 {
  margin: 14px 0 14px;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.14;
}

.gap-layout p,
.method-steps p,
.case-column p,
.provider-card p,
.provider-proof span,
.flywheel strong {
  color: var(--muted);
}

.method-section,
.case-section,
.flywheel-section {
  background: rgba(248, 251, 255, 0.78);
}

.method-panel {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.7);
}

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

.method-steps article {
  padding: 24px;
}

.method-steps h3 {
  margin: 12px 0 10px;
  font-size: 24px;
  line-height: 1.24;
}

.case-board {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.case-column,
.case-conclusion {
  min-width: 0;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 56px rgba(28, 68, 110, 0.06);
}

.case-column h3 {
  margin-bottom: 20px;
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1.12;
}

.friction-list,
.output-memo {
  display: grid;
  gap: 12px;
}

.friction-list p,
.output-memo div {
  margin: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--mist);
}

.output-memo span {
  color: var(--subtle);
  font-size: 13px;
  font-weight: 800;
}

.output-memo strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  line-height: 1.32;
}

.case-conclusion {
  background: #08111f;
}

.case-conclusion span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.case-conclusion h3 {
  max-width: 1040px;
  margin: 12px 0 0;
  color: #fff;
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1.18;
}

.provider-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) repeat(2, minmax(0, 0.9fr));
  gap: 16px;
}

.provider-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
}

.featured-provider {
  background: linear-gradient(180deg, #fff, #f3f9ff);
}

.provider-heading {
  margin-bottom: 16px;
}

.provider-heading h3 {
  margin: 6px 0 0;
  font-size: 30px;
  line-height: 1.15;
}

.provider-card p {
  margin-bottom: 18px;
}

.provider-proof {
  display: grid;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 14px;
  padding: 16px;
  border-radius: 18px;
  background: #fff;
}

.provider-proof strong {
  line-height: 1.3;
}

.quote {
  margin-bottom: 18px;
  color: #2d3c51;
  font-size: 15px;
  font-weight: 760;
}

.provider-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.provider-actions a:first-child {
  color: #fff;
  background: var(--ink);
}

.provider-actions a:last-child {
  border: 1px solid var(--line);
  background: #fff;
}

.flywheel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.flywheel div {
  padding: 26px;
}

.flywheel strong {
  display: block;
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.28;
}

.access-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #fff;
  background: #08111f;
}

.access-section .eyebrow {
  color: var(--cyan);
}

.access-section h2 {
  max-width: 900px;
}

.access-section p {
  margin-bottom: 0;
  color: #b9c8d8;
}

.access-section .primary-button {
  color: #08111f;
  background: #fff;
  box-shadow: none;
}

.access-section .secondary-button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.detail-hero {
  padding: 86px clamp(20px, 5vw, 72px) 54px;
  background:
    radial-gradient(circle at 18% 18%, rgba(11, 121, 227, 0.1), transparent 30%),
    linear-gradient(180deg, #fbfdff 0%, #fff 100%);
}

.detail-hero h1 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: clamp(40px, 5.2vw, 72px);
}

.detail-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
}

.provider-detail {
  background: #fff;
}

.provider-detail.compact-detail {
  padding-top: 60px;
}

.detail-title {
  max-width: 840px;
  margin-bottom: 34px;
}

.detail-title span,
.case-kicker {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.detail-title h2 {
  margin: 10px 0 12px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.1;
}

.detail-title p {
  color: var(--muted);
  font-size: 18px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.detail-grid article,
.recommendation-panel {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(248, 251, 255, 0.8);
}

.detail-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.detail-grid p,
.recommendation-panel p {
  color: var(--muted);
}

.recommendation-panel {
  display: grid;
  gap: 14px;
  max-width: 1080px;
  background: #08111f;
}

.recommendation-panel h3 {
  max-width: 860px;
  margin-bottom: 0;
  color: #fff;
  font-size: clamp(24px, 2.8vw, 40px);
  line-height: 1.18;
}

.recommendation-panel .primary-button {
  justify-self: start;
  color: #08111f;
  background: #fff;
  box-shadow: none;
}

@media (max-width: 1080px) {
  .hero,
  .case-board,
  .provider-grid,
  .access-section {
    grid-template-columns: 1fr;
  }

  .access-section {
    display: grid;
  }

  .gap-layout,
  .method-steps,
  .flywheel,
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  h1 {
    font-size: 44px;
  }

  .hero-answer {
    font-size: 26px;
  }

  .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .procurement-brief,
  .gap-layout article,
  .method-panel,
  .case-column,
  .case-conclusion,
  .provider-card,
  .flywheel div,
  .detail-grid article,
  .recommendation-panel {
    padding: 22px;
  }

  .brief-fields div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}