/* 同花顺 web 子域 · 左右对开沙色版式 */
:root {
  --amber: #b45309;
  --ink: #1c1917;
  --sand: #faf6f1;
  --sand-deep: #f0e9df;
  --line: #e7ddd0;
  --muted: #57534e;
  --gold: #d4a017;
  --max: 1120px;
  --copy: 820px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Georgia, "Microsoft YaHei", "PingFang SC", serif;
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--amber);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #92400e;
}

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

/* —— 页头对开 —— */
header.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}

header.split > div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

header.split > div svg {
  flex-shrink: 0;
}

header.split strong {
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  font-weight: 700;
}

header.split nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1.25rem;
}

header.split nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

header.split nav a[aria-current="page"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
  font-weight: 700;
}

/* —— Hero 50/50 —— */
section.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: var(--max);
  margin: 0 auto;
  min-height: 20rem;
  border-bottom: 1px solid var(--line);
}

section.split > div:first-child {
  padding: 3rem 2rem 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
}

section.split h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
}

section.split > div:first-child > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 28rem;
}

.stack {
  background: var(--sand);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.85rem;
  border-left: 1px solid var(--line);
}

.stack a {
  display: block;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: var(--amber);
  padding: 0.85rem 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid #92400e;
  transition: background 0.2s ease, transform 0.15s ease;
}

.stack a:hover {
  background: #92400e;
  color: #fff;
}

.stack a:nth-child(n + 2) {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.stack a:nth-child(n + 2):hover {
  border-color: var(--amber);
  color: var(--amber);
  background: #fff;
}

/* —— 锚点条 —— */
.jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  background: var(--sand-deep);
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.jumps a {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.jumps a:hover {
  color: var(--amber);
}

/* —— 正文单列 —— */
.copy {
  max-width: var(--copy);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3.5rem;
}

.copy > article > p {
  margin: 0 0 1.25rem;
}

.block {
  margin: 0 0 2.75rem;
}

.block .stamp {
  display: block;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  opacity: 0.55;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}

.block h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.55rem;
}

.block p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.block ul,
.block ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.block li {
  margin-bottom: 0.45rem;
}

.block table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.25rem;
  font-size: 0.95rem;
}

.block th,
.block td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.block th {
  background: var(--sand);
  font-weight: 700;
}

/* —— 新闻时间轴 —— */
.axis {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0 0 0 1.25rem;
  border-left: 3px solid var(--gold);
}

.axis li {
  position: relative;
  margin: 0 0 1.35rem;
  padding-left: 0.85rem;
}

.axis li::before {
  content: "";
  position: absolute;
  left: -1.4rem;
  top: 0.45rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--sand);
}

.axis h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.axis time {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.axis p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— FAQ 展开边框 —— */
.qa {
  margin: 1rem 0 0;
}

.qa details {
  border: 1px solid var(--line);
  margin-bottom: 0.75rem;
  background: var(--sand);
  padding: 0.9rem 1.1rem;
}

.qa details[open] {
  background: #fff;
  border-color: #d6c7b4;
}

.qa summary {
  cursor: default;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa details p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

/* —— 页脚 —— */
.foot {
  background: var(--sand);
  border-top: 1px solid var(--line);
  padding: 1.75rem 1.5rem 2.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.foot > div {
  max-width: var(--max);
  margin: 0 auto;
}

.foot p {
  margin: 0 0 0.55rem;
}

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

/* —— 窄屏：对开改上下 —— */
@media (max-width: 860px) {
  header.split {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 0.85rem;
  }

  header.split nav {
    justify-content: flex-start;
  }

  section.split {
    grid-template-columns: 1fr;
  }

  .stack {
    border-left: none;
    border-top: 1px solid var(--line);
    padding: 1.5rem;
  }

  section.split > div:first-child {
    padding: 2rem 1.25rem 1.5rem;
  }

  .jumps {
    padding: 0.75rem 1.25rem;
  }

  .copy {
    padding: 2rem 1.25rem 2.75rem;
  }

  .block .stamp {
    font-size: 2.1rem;
  }
}

@media (max-width: 480px) {
  header.split strong {
    font-size: 1.15rem;
  }

  section.split h1 {
    font-size: 1.2rem;
  }

  .jumps {
    font-size: 0.8rem;
  }

  .stack a {
    padding: 0.75rem 0.85rem;
    font-size: 0.95rem;
  }

  .block h2 {
    font-size: 1.2rem;
  }

  .axis {
    padding-left: 1rem;
  }
}

/* 打印与可读性微调 */
@media print {
  header.split,
  section.split,
  .jumps,
  .stack {
    break-inside: avoid;
  }

  .stack a {
    border: 1px solid #000;
    color: #000;
    background: transparent;
  }

  .foot {
    border-top: 1px solid #000;
  }
}