:root {
  --blue: #064f8c;
  --blue-dark: #07385f;
  --yellow: #f5b71b;
  --yellow-soft: #fff1c7;
  --ink: #17212b;
  --muted: #5b6876;
  --line: #d8e2ec;
  --bg: #f5f8fb;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: var(--blue);
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 4px solid var(--yellow);
  backdrop-filter: blur(8px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--blue-dark);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.nav-links a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  padding: 72px 0 54px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 35, 61, 0.94), rgba(5, 35, 61, 0.7), rgba(5, 35, 61, 0.36)),
    url("assets/company/fast/hero-720x405-v4.webp") center / cover;
}

.article-hero {
  padding: 54px 0 34px;
  color: #fff;
  background: var(--blue-dark);
}

.article-hero p {
  color: #e7f0f8;
}

.article-body {
  padding-top: 38px;
  padding-bottom: 52px;
}

.article-body h2 {
  margin-top: 34px;
}

.article-body h3 {
  margin-top: 24px;
}

.article-body li {
  margin-bottom: 8px;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
}

h1 {
  max-width: 900px;
  margin: 0 0 16px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.15;
}

h2 {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-size: 28px;
  line-height: 1.25;
}

h3 {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 18px;
  line-height: 1.35;
}

p {
  max-width: 820px;
  margin: 0 0 14px;
  color: var(--muted);
}

.hero p {
  color: #e7f0f8;
  font-size: 18px;
}

section {
  padding: 46px 0;
}

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

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

.media-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  gap: 24px;
  align-items: center;
}

.media-grid.reverse {
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
}

.media-grid img,
.process-card img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.caption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.process-card {
  min-height: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.step-num {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  border-radius: 50%;
  color: #1d2430;
  background: var(--yellow);
  font-weight: 800;
}

.card {
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--blue-dark);
  background: #eef5fb;
}

tr:last-child td {
  border-bottom: 0;
}

.cta {
  padding: 26px;
  border: 1px solid #f2d373;
  border-left: 6px solid var(--yellow);
  border-radius: 8px;
  background: var(--yellow-soft);
}

.cta p {
  color: #3d3420;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  color: var(--blue);
  background: #fff;
  font-weight: 700;
  text-decoration: none;
}

.btn.primary {
  border-color: var(--yellow);
  color: #1d2430;
  background: var(--yellow);
}

.faq details {
  margin-bottom: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  color: var(--blue-dark);
  font-weight: 800;
}

.faq details p {
  margin-top: 10px;
}

.site-footer {
  padding: 18px 0;
  color: #b8c2cc;
  background: #101820;
  font-size: 14px;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .grid,
  .grid.two,
  .media-grid,
  .media-grid.reverse,
  .process {
    grid-template-columns: 1fr;
  }
}
