/* 第5套 / web：对开大报 · 报头+多栏 · 墨/旧金/新闻纸 */
:root {
  --ink: #111111;
  --gold: #b8860b;
  --gold-deep: #8a6508;
  --paper: #fffdf8;
  --paper-dim: #f6f1e6;
  --hair: #d8cbb0;
  --muted: #4d4d4d;
  --desk: #ece6d6;
}

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

html {
  scroll-behavior: auto;
  background: var(--desk);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--desk);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", "宋体", Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.8;
}

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

a {
  color: var(--gold-deep);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

p {
  margin: 0 0 0.9em;
  text-align: justify;
}

h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink);
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0.03em;
  text-align: center;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.4vw, 26px);
  padding: 0 0 8px;
  border-bottom: 3px double var(--ink);
}

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

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 8;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
}

.skip:focus {
  top: 12px;
}

.newsdesk {
  padding: 18px 12px 36px;
}

.paper {
  max-width: 1180px;
  margin: 0 auto;
  background:
    linear-gradient(90deg, transparent 49.7%, rgba(17, 17, 17, 0.07) 50%, transparent 50.3%),
    var(--paper);
  border: 1px solid var(--hair);
  box-shadow: 0 0 0 8px var(--paper-dim), 10px 14px 0 rgba(17, 17, 17, 0.05);
}

/* —— 报头 —— */
.flag {
  padding: 16px 22px 10px;
  text-align: center;
  border-bottom: 4px double var(--ink);
}

.flag-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand {
  display: block;
  color: inherit;
  text-decoration: none;
}

.brand-name {
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
}

.flag-ornament {
  display: block;
  width: min(420px, 80%);
  height: 18px;
  margin: 4px auto 8px;
}

.flag-sub {
  margin: 0 0 8px;
  font-size: 14px;
  letter-spacing: 0.28em;
  color: var(--gold-deep);
}

.flag-meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--ink);
  font-size: 13px;
}

.flag-meta span:first-child {
  text-align: left;
}

.flag-meta span:last-child {
  text-align: right;
}

.issue {
  padding: 2px 10px;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  letter-spacing: 0.12em;
}

/* —— 导航 —— */
.nav-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-dim);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.nav a {
  flex: 1 1 120px;
  padding: 10px 16px;
  text-align: center;
  color: var(--ink);
  text-decoration: none;
  border-right: 1px solid var(--hair);
  letter-spacing: 0.2em;
}

.nav a:last-child {
  border-right: 0;
}

.nav a:hover,
.nav a.is-active {
  background: var(--ink);
  color: var(--paper);
}

.nav a.is-active {
  box-shadow: inset 0 -3px 0 var(--gold);
}

/* —— 正文栏 —— */
.wrap {
  padding: 22px 24px 8px;
}

.lede {
  max-width: 820px;
  margin: 0 auto 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--hair);
}

.lede p:first-of-type::first-letter {
  float: left;
  margin: 6px 8px 0 0;
  font-size: 52px;
  line-height: 0.8;
  color: var(--gold-deep);
  font-weight: 700;
}

.kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold-deep);
  text-align: center;
}

.section {
  margin: 0 0 32px;
  padding-top: 6px;
}

.section-label {
  display: inline-block;
  margin-bottom: 8px;
  padding: 1px 8px;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.spread-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 24px;
}

.spread-2 {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 28px;
  column-gap: 32px;
}

.col-rule {
  position: relative;
}

.spread-3 > * + *,
.spread-2 > * + * {
  border-left: 1px solid var(--hair);
  padding-left: 22px;
}

/* —— 读者来信 —— */
.letter {
  padding-bottom: 4px;
}

.letter h3 {
  font-size: 17px;
}

.letter-from {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
}

.reply {
  padding: 8px 10px;
  background: var(--paper-dim);
  border-left: 3px solid var(--gold);
  font-size: 15px;
}

/* —— 分类广告 —— */
.classifieds {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.ad {
  padding: 12px 12px 10px;
  border: 1px dashed var(--ink);
  background: var(--paper);
  min-height: 100%;
}

.ad h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
}

.ad p {
  font-size: 15px;
}

.ad .btn {
  display: inline-block;
  margin-top: 4px;
}

/* —— 按钮 —— */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.btn:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 4px;
}

/* —— 表格 / 副刊 —— */
.table-wrap {
  width: 100%;
  margin: 12px 0 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 8px 10px;
  border: 1px solid var(--ink);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0.06em;
}

tr:nth-child(even) td {
  background: var(--paper-dim);
}

caption {
  caption-side: top;
  padding-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

/* —— 要闻栏 / 简讯 —— */
.brief {
  padding: 0 0 12px;
  margin-bottom: 12px;
  border-bottom: 1px dotted var(--hair);
}

.brief:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.dateline {
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* —— 热线 —— */
.faq-item {
  margin: 0 0 16px;
  padding: 0 0 12px;
  border-bottom: 1px dotted var(--hair);
}

.faq-item h3 {
  font-size: 17px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 28px;
}

/* —— 头条主栏 —— */
.headline-box {
  padding: 16px 18px;
  border: 2px solid var(--ink);
  background: var(--paper-dim);
}

.sidebar-box {
  padding: 14px 16px;
  border: 1px solid var(--ink);
}

.sidebar-box h3 {
  border-bottom: 1px solid var(--gold);
  padding-bottom: 6px;
}

ol.serial {
  margin: 0 0 1em;
  padding-left: 1.4em;
}

ol.serial li {
  margin-bottom: 0.7em;
}

/* —— 页脚 —— */
.colophon {
  margin-top: 8px;
  padding: 18px 24px 22px;
  border-top: 4px double var(--ink);
  background: var(--paper-dim);
  text-align: center;
}

.colophon p {
  text-align: center;
  margin: 0 0 8px;
}

.verify {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.colophon-nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 10px;
  font-size: 14px;
}

/* —— 响应式 —— */
@media (max-width: 980px) {
  .spread-3,
  .classifieds,
  .faq-grid {
    grid-template-columns: 1fr 1fr;
  }

  .spread-2 {
    grid-template-columns: 1fr;
  }

  .spread-3 > * + *,
  .spread-2 > * + * {
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--hair);
    padding-top: 16px;
  }

  .paper {
    background: var(--paper);
  }
}

@media (max-width: 680px) {
  .newsdesk {
    padding: 8px 0 20px;
  }

  .paper {
    box-shadow: none;
    border-left: 0;
    border-right: 0;
  }

  .wrap,
  .flag {
    padding-left: 14px;
    padding-right: 14px;
  }

  .flag-top,
  .flag-meta {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
    text-align: center;
  }

  .flag-meta span:first-child,
  .flag-meta span:last-child {
    text-align: center;
  }

  .brand-name {
    letter-spacing: 0.08em;
  }

  .spread-3,
  .classifieds,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .nav a {
    flex: 1 1 33%;
    letter-spacing: 0.08em;
    padding: 10px 6px;
    font-size: 15px;
  }

  h1 {
    text-align: left;
  }

  .lede p:first-of-type::first-letter {
    font-size: 40px;
  }

  .table-wrap {
    overflow-x: auto;
  }

  table {
    min-width: 520px;
  }
}

@media (max-width: 400px) {
  body {
    font-size: 16px;
  }

  .nav a {
    flex: 1 1 100%;
    border-right: 0;
    border-bottom: 1px solid var(--hair);
  }
}