:root {
  --gde-blue: #1D4ED8;
  --gde-wash: #DBEAFE;
  --gde-paper: #F8FAFC;
  --gde-ink: #1E3A8A;
  --gde-soft: #93C5FD;
  --gde-line: #BFDBFE;
  --gde-muted: #334155;
  --gde-white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body.gde-body {
  margin: 0;
  background: var(--gde-paper);
  color: var(--gde-muted);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

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

.gde-head {
  background: var(--gde-white);
  border-bottom: 3px solid var(--gde-blue);
}

.gde-head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 14px 0;
}

.gde-brand {
  margin: 0;
  color: var(--gde-ink);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gde-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.gde-nav a {
  color: var(--gde-blue);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid transparent;
}

.gde-nav a:hover,
.gde-nav a:focus {
  border-bottom-color: var(--gde-soft);
}

.gde-hero {
  padding: 36px 0 20px;
}

.gde-kicker {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 8px;
  background: var(--gde-wash);
  color: var(--gde-ink);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.gde-hero h1 {
  margin: 0 0 12px;
  color: var(--gde-ink);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.3;
}

.gde-hero p,
.gde-block p {
  margin: 0 0 14px;
}

.gde-finder {
  margin: 8px 0 28px;
  padding: 18px 18px 16px;
  background: var(--gde-white);
  border: 1px solid var(--gde-line);
  box-shadow: 0 1px 0 var(--gde-wash);
}

.gde-finder-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--gde-ink);
}

.gde-finder-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--gde-paper);
  border: 2px solid var(--gde-soft);
}

.gde-finder-bar span {
  color: var(--gde-ink);
  font-size: 15px;
}

.gde-filters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 18px 0 8px;
}

.gde-filter {
  padding: 14px;
  background: var(--gde-wash);
  border-left: 4px solid var(--gde-blue);
}

.gde-filter h3 {
  margin: 8px 0 6px;
  color: var(--gde-ink);
  font-size: 16px;
}

.gde-filter p {
  margin: 0;
  font-size: 14px;
}

.gde-block {
  padding: 8px 0 28px;
}

.gde-block h2 {
  margin: 0 0 12px;
  color: var(--gde-ink);
  font-size: 24px;
  line-height: 1.35;
}

.gde-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gde-card {
  padding: 16px;
  background: var(--gde-white);
  border: 1px solid var(--gde-line);
}

.gde-card h3 {
  margin: 8px 0 8px;
  color: var(--gde-blue);
  font-size: 17px;
}

.gde-svg {
  display: block;
  width: 36px;
  height: 36px;
}

.gde-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--gde-line);
  background: var(--gde-white);
}

.gde-steps li {
  padding: 16px 14px;
  border-right: 1px solid var(--gde-line);
}

.gde-steps li:last-child {
  border-right: 0;
}

.gde-step-num {
  display: inline-block;
  min-width: 28px;
  padding: 2px 8px;
  margin-bottom: 8px;
  background: var(--gde-blue);
  color: var(--gde-white);
  font-size: 13px;
  font-weight: 700;
}

.gde-steps h3 {
  margin: 0 0 6px;
  color: var(--gde-ink);
  font-size: 16px;
}

.gde-steps p {
  margin: 0;
  font-size: 14px;
}

.gde-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
  border: 1px solid var(--gde-line);
}

.gde-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gde-white);
}

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

.gde-table th {
  background: var(--gde-ink);
  color: var(--gde-white);
  font-weight: 600;
}

.gde-table tr:nth-child(even) td {
  background: var(--gde-wash);
}

.gde-faq {
  display: grid;
  gap: 8px;
}

.gde-faq details {
  background: var(--gde-white);
  border: 1px solid var(--gde-line);
  padding: 0;
}

.gde-faq summary {
  padding: 12px 14px;
  color: var(--gde-ink);
  font-weight: 600;
  cursor: pointer;
}

.gde-faq details p {
  margin: 0;
  padding: 0 14px 14px;
}

.gde-foot {
  margin-top: 12px;
  padding: 22px 0 28px;
  background: var(--gde-ink);
  color: var(--gde-wash);
}

.gde-foot p {
  margin: 0 0 6px;
  font-size: 13px;
}

@media (max-width: 900px) {
  .gde-filters,
  .gde-steps,
  .gde-split {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .gde-filters,
  .gde-steps,
  .gde-split {
    grid-template-columns: 1fr;
  }

  .gde-steps li {
    border-right: 0;
    border-bottom: 1px solid var(--gde-line);
  }
}