:root {
  --dsk-ink: #3C2F2F;
  --dsk-sand: #E8D5C4;
  --dsk-paper: #FAF3EB;
  --dsk-clay: #C65D3B;
  --dsk-wood: #5C4033;
  --dsk-line: #D7C4B0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body.dsk-body {
  margin: 0;
  background: var(--dsk-paper);
  color: var(--dsk-ink);
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC", "SimSun", serif;
  line-height: 1.85;
}

.dsk-frame {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.dsk-head {
  padding: 20px 0 12px;
  border-bottom: 1px solid var(--dsk-line);
}

.dsk-brand {
  margin: 0 0 10px;
  color: var(--dsk-wood);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.dsk-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.dsk-nav a {
  color: var(--dsk-clay);
  text-decoration: none;
  font-size: 14px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.dsk-nav a:hover,
.dsk-nav a:focus {
  text-decoration: underline;
}

.dsk-hero {
  padding: 34px 0 12px;
}

.dsk-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.28;
  color: var(--dsk-wood);
}

.dsk-hero p,
.dsk-sec p {
  margin: 0 0 16px;
  font-size: 17px;
}

.dsk-sec {
  padding: 26px 0 4px;
}

.dsk-sec h2 {
  margin: 0 0 14px;
  font-size: 26px;
  color: var(--dsk-wood);
  line-height: 1.35;
}

.dsk-points {
  display: grid;
  gap: 14px;
  margin: 8px 0 10px;
}

.dsk-point {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: start;
}

.dsk-point h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--dsk-clay);
}

.dsk-point p {
  margin: 0;
  font-size: 16px;
}

.dsk-svg {
  width: 40px;
  height: 40px;
  display: block;
}

.dsk-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.dsk-card {
  padding: 18px 16px 14px;
  background: var(--dsk-sand);
}

.dsk-card h3 {
  margin: 8px 0 8px;
  font-size: 18px;
  color: var(--dsk-wood);
}

.dsk-card p {
  margin: 0;
  font-size: 15px;
}

.dsk-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.dsk-steps li {
  padding: 14px 12px;
  background: #fffdf9;
  border-top: 4px solid var(--dsk-clay);
}

.dsk-steps span {
  display: block;
  margin-bottom: 6px;
  color: var(--dsk-clay);
  font-size: 12px;
  letter-spacing: 0.08em;
}

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

.dsk-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.dsk-table-wrap {
  overflow-x: auto;
  margin-top: 10px;
}

.dsk-table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.dsk-table th,
.dsk-table td {
  border-bottom: 1px solid var(--dsk-line);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

.dsk-table th {
  color: var(--dsk-wood);
  font-weight: 700;
}

.dsk-faq details {
  border-bottom: 1px solid var(--dsk-line);
  padding: 10px 0 12px;
}

.dsk-faq summary {
  cursor: pointer;
  color: var(--dsk-wood);
  font-weight: 700;
  font-size: 17px;
}

.dsk-faq p {
  margin: 10px 0 0;
  font-size: 16px;
}

.dsk-foot {
  margin-top: 30px;
  padding: 18px 0 28px;
  border-top: 2px solid var(--dsk-wood);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color: var(--dsk-wood);
}

.dsk-foot p {
  margin: 0 0 6px;
}

@media (max-width: 780px) {
  .dsk-cards,
  .dsk-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .dsk-cards,
  .dsk-steps {
    grid-template-columns: 1fr;
  }

  .dsk-point {
    grid-template-columns: 36px 1fr;
  }
}