/* 第3套 zh · 竖栏杂志 Editorial magazine：奶油纸 + 森林绿 */
:root {
  --paper: #f3ead4;
  --paper-lift: #faf3e4;
  --fiber: #e7d8b8;
  --ink: #1b241c;
  --forest: #1e4a32;
  --forest-deep: #143424;
  --moss: #3d6b4e;
  --muted: #5a6256;
  --rule: #cbb892;
  --quote: #24553a;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(rgba(30, 74, 50, 0.035) 0.7px, transparent 0.8px),
    linear-gradient(180deg, #f7efdc 0%, var(--paper) 120px);
  background-size: 7px 7px, auto;
  font-family: Georgia, "Palatino Linotype", "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  font-size: 18px;
  line-height: 1.88;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: var(--forest);
}

a:hover {
  color: var(--forest-deep);
}

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
.brand-name {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
  font-weight: 700;
  color: var(--forest-deep);
  line-height: 1.38;
}

h1 {
  font-size: 2.05rem;
  margin: 0 0 0.7em;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 1.38rem;
  margin: 2.2em 0 0.7em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--forest);
}

h3 {
  font-size: 1.08rem;
  margin: 1.3em 0 0.4em;
  color: var(--forest);
}

.mast {
  background: var(--paper-lift);
  border-bottom: 2px solid var(--forest);
  padding: 1.6rem 0 0;
}

.mast-inner,
.column,
.colophon-inner {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--forest-deep);
}

.brand svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.7rem;
  letter-spacing: 0.14em;
}

.folio-line {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.nav-mag {
  display: flex;
  gap: 1.6rem;
  padding: 0.9rem 0 0.85rem;
}

.nav-mag a {
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.12em;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.2rem;
}

.nav-mag a:hover,
.nav-mag a[aria-current="page"],
.nav-mag a.is-current {
  color: var(--forest);
  border-bottom-color: var(--forest);
}

.kicker {
  margin: 0 0 0.4em;
  color: var(--moss);
  letter-spacing: 0.2em;
  font-size: 0.75rem;
}

.dateline {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.1em;
}

.hero {
  padding: 2.1rem 0 0.4rem;
}

.drop::first-letter {
  float: left;
  font-size: 4.35rem;
  line-height: 0.78;
  padding: 0.1em 0.12em 0 0;
  color: var(--forest);
  font-weight: 700;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", Georgia, serif;
}

.pull {
  margin: 1.6rem 0 1.6rem 1.2rem;
  padding: 0.15rem 0 0.15rem 1.15rem;
  border-left: 3px solid var(--forest);
  color: var(--quote);
  font-size: 1.22rem;
  line-height: 1.65;
  font-style: italic;
}

.pull footer {
  display: block;
  margin-top: 0.55em;
  font-style: normal;
  font-size: 0.86rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.letter {
  background: var(--paper-lift);
  border: 1px solid var(--rule);
  padding: 1.05rem 1.15rem 0.35rem;
  margin: 1.15rem 0;
}

.letter footer {
  text-align: right;
  color: var(--forest);
  font-size: 0.9rem;
  margin: 0 0 0.8em;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.2rem 0 1.4rem;
}

.btn,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.05rem;
  text-decoration: none;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 0.92rem;
  line-height: 1.3;
}

.btn svg,
.btn-ghost svg {
  width: 16px;
  height: 16px;
}

.btn {
  background: var(--forest);
  color: #f7f1e2;
}

.btn:hover {
  background: var(--forest-deep);
  color: #f7f1e2;
}

.btn-ghost {
  border: 1px solid var(--forest);
  color: var(--forest);
  background: transparent;
}

.btn-ghost:hover {
  background: #e7efe6;
}

.lane {
  border-top: 1px dotted var(--rule);
  padding: 1rem 0 0.2rem;
}

.lane:first-of-type {
  border-top: 0;
}

.lane h3 {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.2em;
}

.lane svg {
  width: 18px;
  height: 18px;
}

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1.1rem 0 1.3rem;
}

.compare th,
.compare td {
  border-bottom: 1px solid var(--rule);
  padding: 0.62rem 0.45rem;
  text-align: left;
  vertical-align: top;
}

.compare th {
  color: var(--forest);
  font-weight: 700;
}

.faq {
  padding: 0.15rem 0 0.85rem;
}

.faq h3 {
  margin-top: 1.1em;
}

.colophon {
  margin-top: 2.4rem;
  border-top: 2px solid var(--forest);
  padding: 1.5rem 0 2.6rem;
  background: var(--paper-lift);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.colophon .safe {
  color: var(--forest);
  font-weight: 700;
  margin-bottom: 0.55em;
}

.colophon nav {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin: 0.6rem 0 0.8rem;
}

.colophon p:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  h1 {
    font-size: 1.55rem;
  }

  h2 {
    font-size: 1.18rem;
  }

  .drop::first-letter {
    font-size: 3.2rem;
  }

  .pull {
    margin-left: 0;
    font-size: 1.08rem;
  }

  .nav-mag {
    gap: 1rem;
  }
}