:root {
  color-scheme: light;
  --ink: #172235;
  --muted: #5d6a7c;
  --line: #dce5ef;
  --surface: #ffffff;
  --surface-muted: #f5f8fc;
  --accent: #3567d8;
  --accent-deep: #234aa7;
  --accent-soft: #edf2ff;
  --teal: #188f92;
  --shadow: 0 18px 45px rgba(31, 57, 97, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 0%, rgba(73, 124, 235, 0.14), transparent 28rem),
    radial-gradient(circle at 96% 12%, rgba(24, 143, 146, 0.12), transparent 24rem),
    #f1f5fa;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: var(--accent-deep);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(53, 103, 216, 0.35);
  outline-offset: 3px;
}

.page-shell {
  width: min(100% - 32px, 1020px);
  margin: 0 auto;
  padding: 32px 0 56px;
}

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 10;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  margin: 0;
  overflow: visible;
  clip: auto;
  color: #fff;
  background: var(--accent-deep);
  border-radius: 8px;
}

.hero,
.content-card,
.quick-card,
.footer-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 38px 40px 30px;
  margin-bottom: 18px;
}

.hero::after {
  position: absolute;
  right: -74px;
  bottom: -112px;
  width: 260px;
  height: 260px;
  content: "";
  background: linear-gradient(145deg, rgba(53, 103, 216, 0.14), rgba(24, 143, 146, 0.06));
  border-radius: 50%;
}

.hero-heading {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  color: #fff;
  font-size: 1.7rem;
  font-weight: 700;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), var(--teal));
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(53, 103, 216, 0.24);
}

.eyebrow,
.section-kicker,
.card-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

h1 {
  margin: 4px 0 10px;
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.03em;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
}

h3 {
  margin: 0 0 5px;
  font-size: 1.04rem;
}

p,
ul,
ol {
  margin: 0 0 12px;
}

ul,
ol {
  padding-left: 1.35rem;
}

.hero-lede {
  max-width: 580px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 17px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 11px;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(53, 103, 216, 0.22);
}

.button-primary:hover {
  color: #fff;
  background: var(--accent-deep);
}

.button-secondary {
  color: var(--accent-deep);
  background: var(--accent-soft);
}

.meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.88rem;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.quick-card {
  display: flex;
  flex-direction: column;
  min-height: 198px;
  padding: 24px 25px;
}

.quick-card-featured {
  color: #fff;
  background: linear-gradient(145deg, #2f5ed0, #188f92);
  border-color: transparent;
}

.quick-card-featured .card-kicker,
.quick-card-featured a {
  color: #fff;
}

.quick-card h2 {
  margin-top: 8px;
}

.quick-card p {
  flex: 1;
  color: var(--muted);
  font-size: 0.94rem;
}

.quick-card-featured p {
  color: rgba(255, 255, 255, 0.85);
}

.quick-card a {
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.content-card {
  padding: 30px 36px;
  margin-bottom: 18px;
}

.section-heading {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-heading h2 {
  margin-top: 5px;
  margin-bottom: 0;
}

.section-note {
  max-width: 310px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.text-link {
  flex: 0 0 auto;
  font-weight: 700;
}

.step-list {
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  background: var(--surface-muted);
  border: 1px solid #e6edf5;
  border-radius: 14px;
}

.step-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.step-number {
  display: grid;
  width: 36px;
  height: 36px;
  color: #fff;
  font-weight: 800;
  background: var(--accent);
  border-radius: 11px;
  place-items: center;
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 17px 2px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 1.2rem;
  content: "+";
}

details[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 790px;
  padding: 0 32px 17px 2px;
  color: var(--muted);
}

.faq-answer p:last-child,
.faq-answer ol:last-child {
  margin-bottom: 0;
}

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

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.info-grid > div {
  padding: 18px 20px;
  background: var(--surface-muted);
  border: 1px solid #e6edf5;
  border-radius: 14px;
}

.info-grid ul {
  margin-bottom: 0;
  color: var(--muted);
}

.report-template {
  padding: 17px 19px;
  margin: 18px 0 0;
  overflow-x: auto;
  color: #32445e;
  font: 0.87rem/1.8 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  background: #eef3fa;
  border: 1px solid #dce6f2;
  border-radius: 12px;
}

.footer-card {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: baseline;
  justify-content: space-between;
  padding: 20px 24px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-card p {
  margin: 0;
}

.footer-card strong {
  color: var(--ink);
}

.footer-card nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.footer-note {
  flex-basis: 100%;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .quick-grid {
    grid-template-columns: 1fr;
  }

  .quick-card {
    min-height: 0;
  }

  .section-heading {
    display: block;
  }

  .section-note {
    max-width: none;
    margin-top: 10px;
    text-align: left;
  }

  .text-link {
    display: inline-block;
    margin-top: 12px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 1020px);
    padding-top: 14px;
  }

  .hero,
  .content-card {
    padding: 24px 20px;
    border-radius: 16px;
  }

  .hero-heading {
    gap: 12px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
    border-radius: 13px;
  }

  h1 {
    font-size: 2rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .step-list li {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 11px;
    padding: 14px;
  }

  .step-number {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }

  .footer-card {
    display: block;
  }

  .footer-card nav {
    margin: 11px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}