/* 双色球历史开奖对比 - 报纸严谨多栏 / 细线分割 */
:root {
  --paper: #f7f5f0;
  --paper-2: #efece4;
  --ink: #1c1f24;
  --ink-soft: #4a4f57;
  --ink-faint: #7b818a;
  --rule: #d6d1c4;
  --rule-strong: #b8b1a0;
  --accent: #1f3a5f;
  --accent-soft: #e4e9f0;
  --red: #8f2f36;
  --radius: 3px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.78;
}

h1, h2, h3, h4, .display {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.01em;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.15rem; }

/* ---------- masthead ---------- */
.topbar {
  border-bottom: 3px double var(--rule-strong);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 62px;
  padding: 0.5rem 0;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { width: 34px; height: 34px; border-radius: 6px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-weight: 700; font-size: 1.02rem; color: var(--ink); }
.brand-sub { font-size: 0.68rem; letter-spacing: 0.12em; color: var(--ink-faint); }

.menu-toggle {
  display: none;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink);
  font-size: 0.86rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  min-height: 44px;
  cursor: pointer;
}

.mainnav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.1rem;
  margin: 0;
  padding: 0;
}
.mainnav a {
  display: inline-block;
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 0.55rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.mainnav a:hover { color: var(--accent); border-bottom-color: var(--rule-strong); }
.mainnav a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 700; }

/* ---------- shared bits ---------- */
.kicker {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.rule { border: 0; border-top: 1px solid var(--rule); margin: 1.6rem 0; }
.rule-strong { border: 0; border-top: 2px solid var(--rule-strong); margin: 0.6rem 0 1.2rem; }
.lead { color: var(--ink-soft); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #f8f7f3;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  min-height: 44px;
  line-height: 1.6;
}
.btn:hover { background: #16304f; text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; }

/* ---------- home: newspaper grid ---------- */
.masthead { padding: 1.9rem 0 0.4rem; }
.masthead-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 1.8rem;
  align-items: start;
}
.masthead h1 {
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  margin: 0.4rem 0 0.8rem;
  letter-spacing: 0.02em;
}
.masthead p { margin: 0 0 1rem; color: var(--ink-soft); font-size: 1.02rem; }
.masthead-figure { margin: 0; }
.masthead-figure img { border-radius: var(--radius); border: 1px solid var(--rule); }
.masthead-figure figcaption { font-size: 0.78rem; color: var(--ink-faint); padding-top: 0.45rem; }

.factline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.4rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.65rem 0;
  margin: 1.3rem 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.factline strong { color: var(--ink); font-family: "Noto Serif SC", Georgia, serif; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.35rem;
  margin-bottom: 1.1rem;
}
.section-head h2 { font-size: 1.24rem; margin: 0; }
.section-head a { font-size: 0.82rem; color: var(--ink-faint); }

.lede-cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 1.6rem;
}
.lede-main img { border-radius: var(--radius); border: 1px solid var(--rule); margin-bottom: 0.7rem; }
.lede-main h3 { font-size: 1.5rem; margin: 0.2rem 0 0.5rem; }
.lede-main p { margin: 0 0 0.5rem; color: var(--ink-soft); }
.meta { font-size: 0.78rem; color: var(--ink-faint); }

.col-list { list-style: none; margin: 0; padding: 0; }
.col-list li { padding: 0.72rem 0; border-bottom: 1px solid var(--rule); }
.col-list li:last-child { border-bottom: 0; }
.col-list h4 { margin: 0 0 0.2rem; font-size: 0.98rem; line-height: 1.45; }
.col-list h4 a { color: var(--ink); }
.col-list p { margin: 0; font-size: 0.82rem; color: var(--ink-soft); }

.band {
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.9rem 0;
  margin: 2.1rem 0;
}

.cat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.cat-strip a {
  background: var(--paper);
  padding: 1rem 1.05rem;
  display: block;
  color: var(--ink);
}
.cat-strip a:hover { background: var(--accent-soft); text-decoration: none; }
.cat-strip strong { display: block; font-family: "Noto Serif SC", Georgia, serif; font-size: 1rem; }
.cat-strip span { font-size: 0.78rem; color: var(--ink-faint); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.feature-grid figure { margin: 0; }
.feature-grid img { border-radius: var(--radius); border: 1px solid var(--rule); }
.feature-grid figcaption { font-size: 0.78rem; color: var(--ink-faint); padding-top: 0.4rem; }

.note-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
.note-box { border-left: 3px solid var(--accent); padding-left: 1rem; }
.note-box h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.note-box p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

.ranking { list-style: none; margin: 0; padding: 0; counter-reset: rk; }
.ranking li {
  counter-increment: rk;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--rule);
}
.ranking li::before {
  content: counter(rk);
  font-family: "Noto Serif SC", Georgia, serif;
  color: var(--accent);
  font-weight: 700;
}
.ranking a { color: var(--ink); }
.ranking .meta { white-space: nowrap; }

.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  flex-wrap: wrap;
  border: 1px solid var(--rule-strong);
  padding: 1.2rem 1.4rem;
  background: var(--paper);
}
.cta-strip h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }
.cta-strip p { margin: 0; font-size: 0.88rem; color: var(--ink-soft); }

/* ---------- category page ---------- */
.cat-head { padding: 1.8rem 0 0.6rem; }
.cat-head h1 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin: 0.3rem 0 0.5rem; }
.cat-head p { margin: 0; color: var(--ink-soft); max-width: 68ch; }

.entry-list { list-style: none; margin: 1.4rem 0 0; padding: 0; }
.entry-list li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.2rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.entry-list img { border-radius: var(--radius); border: 1px solid var(--rule); }
.entry-list h2 { font-size: 1.12rem; margin: 0 0 0.3rem; }
.entry-list p { margin: 0.2rem 0 0.4rem; color: var(--ink-soft); font-size: 0.9rem; }

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size: 0.8rem; color: var(--ink-faint); padding: 1.05rem 0 0; }
.breadcrumb a { color: var(--ink-faint); }
.breadcrumb span { margin: 0 0.35rem; }

/* ---------- article ---------- */
.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 296px;
  gap: 2.4rem;
  padding: 0.9rem 0 2.4rem;
  align-items: start;
}
.article-head h1 { font-size: clamp(1.55rem, 3.2vw, 2.15rem); margin: 0.35rem 0 0.6rem; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.1rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.55rem 0;
  margin-bottom: 1.3rem;
}
.article-body p { margin: 0 0 1rem; }
.article-body h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.7rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--accent);
}
.article-body h3 { font-size: 1.02rem; margin: 1.4rem 0 0.5rem; }
.article-body ul, .article-body ol { margin: 0 0 1.1rem; padding-left: 1.35rem; }
.article-body li { margin-bottom: 0.4rem; }
.article-body strong { color: var(--ink); }

.inline-figure { margin: 1.4rem 0; }
.inline-figure img { border-radius: var(--radius); border: 1px solid var(--rule); }
.inline-figure figcaption { font-size: 0.78rem; color: var(--ink-faint); padding-top: 0.4rem; }

.figure-right {
  float: right;
  width: 44%;
  margin: 0.2rem 0 1rem 1.3rem;
}
.figure-right img { border-radius: var(--radius); border: 1px solid var(--rule); }
.figure-right figcaption { font-size: 0.76rem; color: var(--ink-faint); padding-top: 0.35rem; }

.pullquote {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  padding: 0.9rem 0;
  margin: 1.6rem 0;
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.08rem;
  color: var(--ink);
}

.faq-block h3 { margin-top: 1.2rem; }

.article-aside { position: sticky; top: 80px; }
.aside-box {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 1rem 1.1rem;
  margin-bottom: 1.1rem;
}
.aside-box h2 { font-size: 0.98rem; margin: 0 0 0.6rem; }
.aside-list { list-style: none; margin: 0; padding: 0; }
.aside-list li { padding: 0.55rem 0; border-bottom: 1px solid var(--rule); }
.aside-list li:last-child { border-bottom: 0; }
.aside-list a { color: var(--ink); font-size: 0.89rem; line-height: 1.5; display: block; }
.aside-list .meta { display: block; font-size: 0.74rem; }

.article-foot {
  margin-top: 2rem;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 3px double var(--rule-strong);
  margin-top: 2.6rem;
  padding: 1.9rem 0 2.2rem;
  background: var(--paper-2);
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.7rem;
}
.footer-grid h2 { font-size: 0.92rem; margin: 0 0 0.5rem; color: var(--ink); }
.footer-grid p { margin: 0 0 0.3rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { padding: 0.16rem 0; }
.footer-grid a { color: var(--ink-soft); }
.footer-legal {
  margin-top: 1.4rem;
  border-top: 1px solid var(--rule);
  padding-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .masthead-grid { grid-template-columns: 1fr; }
  .lede-cols { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .article-shell { grid-template-columns: 1fr; gap: 1.6rem; }
  .article-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .menu-toggle { display: inline-block; }
  .mainnav {
    display: none;
    width: 100%;
    border-top: 1px solid var(--rule);
    padding-top: 0.4rem;
  }
  .mainnav.is-open { display: block; }
  .mainnav ul { flex-direction: column; gap: 0; }
  .mainnav li { border-bottom: 1px solid var(--rule); }
  .mainnav a { display: block; padding: 0.7rem 0.2rem; min-height: 44px; }
  .topbar-inner { flex-wrap: wrap; }
  .masthead { padding: 1.2rem 0 0.2rem; }
  .lede-cols { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .note-pair { grid-template-columns: 1fr; }
  .entry-list li { grid-template-columns: 1fr; }
  .entry-list img { width: 100%; }
  .figure-right { float: none; width: 100%; margin: 1.2rem 0; }
  .ranking li { grid-template-columns: 1.6rem 1fr; }
  .ranking .meta { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-strip { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}