:root {
  --ptl-olive: #3F4A1E;
  --ptl-khaki: #D4C5A9;
  --ptl-paper: #FFFEF7;
  --ptl-deep: #2A3114;
  --ptl-sage: #A3A380;
  --ptl-line: #d8d0bc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--ptl-paper);
  color: var(--ptl-deep);
  font-family: "Cambria", "Source Han Serif SC", "SimSun", serif;
  line-height: 1.78;
}

svg {
  display: block;
}

a {
  color: var(--ptl-olive);
}

.ptl-wrap {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.ptl-head {
  background: var(--ptl-deep);
  color: #fffef7;
  border-bottom: 6px solid var(--ptl-khaki);
}

.ptl-head-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  gap: 16px;
}

.ptl-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d4c5a9;
  text-decoration: none;
  font-weight: 700;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}

.ptl-brand svg {
  width: 28px;
  height: 28px;
}

.ptl-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  justify-content: flex-end;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  font-size: 13px;
}

.ptl-nav a {
  color: #fffef7;
  text-decoration: none;
}

.ptl-nav a:hover {
  color: #d4c5a9;
}

.ptl-hero {
  padding: 40px 0 16px;
}

.ptl-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.28;
  max-width: 15em;
}

.ptl-hero p {
  margin: 0;
  max-width: 40em;
}

.ptl-choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0 8px;
}

.ptl-giant {
  min-height: 320px;
  padding: 28px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ptl-left {
  background: var(--ptl-olive);
  color: #fffef7;
}

.ptl-right {
  background: var(--ptl-khaki);
  color: var(--ptl-deep);
}

.ptl-giant svg {
  width: 64px;
  height: 64px;
}

.ptl-giant h3 {
  margin: 0;
  font-size: 28px;
}

.ptl-giant p {
  margin: 0;
  font-size: 16px;
}

.ptl-sec {
  padding: 32px 0;
}

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

.ptl-sec p {
  margin: 0 0 14px;
}

.ptl-table-wrap {
  overflow-x: auto;
  margin: 12px 0 0;
  border: 1px solid var(--ptl-line);
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 13px 14px;
  text-align: left;
  border-bottom: 1px solid var(--ptl-line);
  vertical-align: top;
}

th {
  background: var(--ptl-olive);
  color: #fffef7;
}

tr:nth-child(even) td {
  background: #f7f3e8;
}

.ptl-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.ptl-steps li {
  background: #fff;
  border: 1px solid var(--ptl-line);
  padding: 14px;
}

.ptl-steps strong {
  display: block;
  color: var(--ptl-olive);
  font-size: 20px;
  margin-bottom: 6px;
}

.ptl-steps h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

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

.ptl-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.ptl-note {
  background: #f4f0e4;
  padding: 14px 14px 12px;
  border-left: 5px solid var(--ptl-sage);
}

.ptl-note h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.ptl-note p {
  margin: 0;
  font-size: 14px;
}

.ptl-faq {
  margin: 14px 0 0;
}

.ptl-faq dt {
  font-weight: 700;
  margin: 16px 0 6px;
  color: var(--ptl-olive);
}

.ptl-faq dd {
  margin: 0 0 4px;
}

.ptl-foot {
  background: var(--ptl-deep);
  color: #d4c5a9;
  padding: 34px 0;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}

.ptl-foot p {
  margin: 0 0 10px;
}

.ptl-foot small {
  color: #fffef7;
}

@media (max-width: 880px) {
  .ptl-head-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0;
  }

  .ptl-choice,
  .ptl-steps,
  .ptl-notes {
    grid-template-columns: 1fr;
  }
}