* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Palatino Linotype", Palatino, "STSong", "SimSun", serif;
  background: #f4f1ea;
  color: #243230;
  font-size: 17px;
  line-height: 1.9;
}
a { color: #0d7377; }
a:hover { color: #094b4e; }

.mast {
  text-align: center;
  padding: 26px 16px 0;
  border-bottom: 1px solid #b7cfcf;
  background: #fffdf8;
}
.mast .brand {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 30px;
  letter-spacing: 8px;
  color: #0d7377;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.mast nav {
  margin: 18px 0 0;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 15px;
}
.mast nav a {
  display: inline-block;
  margin: 0 18px;
  padding-bottom: 12px;
  text-decoration: none;
  color: #3a4a48;
  border-bottom: 3px solid transparent;
  font-weight: 600;
}
.mast nav a.current {
  color: #0d7377;
  border-bottom-color: #0d7377;
}

.lead {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 18px 10px;
  text-align: center;
}
.lead h1 {
  font-size: 28px;
  line-height: 1.4;
  margin-bottom: 16px;
  color: #0d7377;
}
.lead p { text-align: left; margin-bottom: 12px; }
.lead .actions { text-align: center; margin-top: 16px; }
.ink {
  display: inline-block;
  background: #0d7377;
  color: #fff;
  text-decoration: none;
  font-family: "Microsoft YaHei", sans-serif;
  font-weight: 700;
  padding: 10px 22px;
  margin: 6px 6px;
}
.ink:hover { background: #09595c; color: #fff; }
.ink.line {
  background: transparent;
  color: #0d7377;
  border: 1px solid #0d7377;
}

.sheet {
  max-width: 760px;
  margin: 0 auto 8px;
  padding: 8px 18px 28px;
}
.sheet.wide { max-width: 920px; }
.sheet h2 {
  font-size: 22px;
  color: #0d7377;
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid #0d7377;
  font-weight: 700;
}
.sheet p { margin-bottom: 12px; text-align: justify; }
.sheet h3 {
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 16px;
  margin: 14px 0 6px;
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: #fff;
  margin: 12px 0;
  font-family: "Microsoft YaHei", sans-serif;
}
table.compare th, table.compare td {
  border: 1px solid #b7cfcf;
  padding: 8px 10px;
  vertical-align: top;
}
table.compare th { background: #0d7377; color: #fff; text-align: left; }
table.compare tr:nth-child(even) td { background: #eef6f6; }

.rule {
  height: 1px;
  background: #c9d8d8;
  margin: 20px 0;
}

.base {
  background: #1c3333;
  color: #d5e4e4;
  font-size: 13px;
  padding: 26px 16px;
  text-align: center;
  font-family: "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}
.base a { color: #8fe3e0; margin: 0 10px; }

@media (max-width: 640px) {
  .mast nav a { margin: 0 8px; }
  .lead h1 { font-size: 22px; }
}