* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: #f4f1ee;
}

body {
  background: #f4f1ee;
  color: #2a1c16;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

img,
svg {
  display: inline-block;
  vertical-align: middle;
}

a {
  color: #b42318;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
.brand,
.kicker {
  font-family: "Palatino Linotype", "STSong", "SimSun", serif;
  color: #1f120e;
  font-weight: 700;
}

h1 {
  font-size: 34px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 24px;
  line-height: 1.4;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #1f120e;
}

h3 {
  font-size: 18px;
  line-height: 1.45;
  margin: 0 0 8px;
}

p {
  margin: 0 0 14px;
}

.masthead {
  background: #b42318;
  color: #fff8f6;
  border-bottom: 1px solid #8a1a12;
}

.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 7px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff8f6;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: #fff8f6;
}

.nav {
  display: flex;
  gap: 22px;
  list-style: none;
}

.nav a {
  color: #fff8f6;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.is-current {
  border-bottom-color: #fff8f6;
  text-decoration: none;
}

.hero {
  background: #ffffff;
  border-bottom: 3px solid #1f120e;
}

.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 22px 32px;
}

.kicker {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: #b42318;
  margin-bottom: 10px;
}

.deck {
  margin: 14px 0 18px;
  max-width: 820px;
  font-size: 17px;
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid #1f120e;
  background: #f4f1ee;
  color: #1f120e;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid #b42318;
  background: #b42318;
  color: #fff8f6;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
}

.btn:hover {
  background: #8a1a12;
  border-color: #8a1a12;
  color: #fff8f6;
  text-decoration: none;
}

.btn-line {
  background: #ffffff;
  color: #b42318;
}

.btn-line:hover {
  background: #f8e8e6;
  color: #8a1a12;
  text-decoration: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 16px;
}

.sheet {
  max-width: 1180px;
  margin: 22px auto 36px;
  padding: 0 22px;
}

.cols {
  display: flex;
  align-items: flex-start;
  background: #ffffff;
  border: 1px solid #d8d0c8;
  border-top: 2px solid #1f120e;
}

.col-main {
  width: 68%;
  padding: 28px 30px 36px;
  border-right: 1px solid #1f120e;
}

.col-aside {
  width: 32%;
  padding: 20px 18px 28px;
}

.aside-stick {
  position: sticky;
  top: 12px;
}

.block + .block {
  margin-top: 8px;
  padding-top: 6px;
}

.rule {
  border: 0;
  height: 0;
  border-top: 1px solid #1f120e;
  margin: 26px 0;
}

.rule-thin {
  border-top-color: #c9bfb6;
}

.dateline {
  font-size: 13px;
  color: #5c4a42;
  margin-bottom: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 18px;
  border-top: 3px solid #b42318;
  background: #fff;
}

caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: #5c4a42;
  padding: 0 0 8px;
}

th,
td {
  border: 1px solid #d4ccc4;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f4f1ee;
  font-weight: 600;
}

.quote {
  font-style: italic;
  color: #3a2a22;
  border-left: 3px solid #b42318;
  padding: 10px 0 10px 16px;
  margin: 16px 0;
}

.quote cite {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-size: 13px;
  color: #5c4a42;
}

.news {
  margin: 8px 0 0 22px;
}

.news li {
  margin: 0 0 16px;
}

.news time {
  display: inline-block;
  margin-right: 8px;
  color: #b42318;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.steps {
  margin: 8px 0 16px 22px;
}

.steps li {
  margin: 0 0 10px;
}

.faq-item {
  padding: 14px 0;
  border-top: 1px solid #c9bfb6;
}

.faq-item:last-child {
  border-bottom: 1px solid #c9bfb6;
}

.dl-box,
.note-box {
  border: 1px solid #1f120e;
  padding: 16px;
  margin: 0 0 16px;
  background: #fff;
}

.box-head {
  font-family: "Palatino Linotype", "STSong", "SimSun", serif;
  font-size: 18px;
  font-weight: 700;
  color: #1f120e;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #b42318;
}

.note-box p,
.dl-box p {
  font-size: 14px;
}

.mini {
  width: 100%;
  font-size: 13px;
}

.foot {
  background: #1f120e;
  color: #f4f1ee;
  padding: 22px 22px 28px;
}

.foot-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.foot p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 900px) {
  h1 {
    font-size: 26px;
  }

  .masthead-inner,
  .cols {
    display: block;
  }

  .nav {
    margin-top: 8px;
    gap: 14px;
  }

  .col-main,
  .col-aside {
    width: 100%;
    border-right: 0;
  }

  .col-main {
    border-bottom: 1px solid #1f120e;
  }

  .aside-stick {
    position: static;
  }
}