/* 同花顺财经 www 子域 · 左侧固定栏版式 */
:root {
  --navy: #0b2545;
  --sky: #3d7ea6;
  --white: #ffffff;
  --ink: #1a2332;
  --mute: #5a6575;
  --line: #d8e0ea;
  --soft: #eef2f6;
  --rail-w: 240px;
  --font: "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
}

a {
  color: var(--sky);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.shell {
  min-height: 100vh;
  position: relative;
}

.rail {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--rail-w);
  height: 100vh;
  background: var(--navy);
  color: var(--white);
  padding: 28px 20px 40px;
  overflow-y: auto;
  z-index: 40;
}

.rail .brand {
  display: block;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  margin: 0 0 8px;
  text-decoration: none;
}

.rail .brand:hover {
  text-decoration: none;
  color: #cfe6f5;
}

.rail .tag {
  display: block;
  font-size: 12px;
  color: #9bb8d0;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.rail nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rail nav a {
  display: block;
  color: #d5e4f0;
  padding: 12px 14px;
  border-left: 3px solid transparent;
  font-size: 15px;
  text-decoration: none;
}

.rail nav a:hover {
  background: rgba(61, 126, 166, 0.25);
  color: var(--white);
  text-decoration: none;
}

.rail nav a[aria-current="page"] {
  background: rgba(61, 126, 166, 0.35);
  border-left-color: var(--sky);
  color: var(--white);
  font-weight: 600;
}

.rail .note {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: #8fa9c0;
  line-height: 1.6;
}

.main {
  margin-left: var(--rail-w);
  min-height: 100vh;
  background: var(--white);
  padding: 0 0 48px;
}

.dlstrip {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  padding: 18px 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
}

.dlstrip .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  text-decoration: none;
}

.dlstrip .btn:hover {
  background: var(--sky);
  text-decoration: none;
  color: var(--white);
}

.dlstrip .btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.dlstrip .hints {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mute);
}

.dlstrip .hints li {
  position: relative;
  padding-left: 12px;
}

.dlstrip .hints li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--sky);
  border-radius: 50%;
}

.main > article {
  padding: 28px 36px 0;
  max-width: 920px;
}

.main h1 {
  margin: 0 0 16px;
  font-size: 28px;
  line-height: 1.35;
  color: var(--navy);
  font-weight: 700;
}

.main .lead {
  margin: 0 0 24px;
  font-size: 16px;
  color: var(--mute);
  line-height: 1.8;
}

.pane {
  position: relative;
  margin: 0 0 28px;
  padding: 22px 24px 24px 56px;
  background: #fafbfc;
  border: 1px solid var(--line);
}

.pane::before {
  content: attr(data-n);
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 24px;
  letter-spacing: 0.02em;
}

.pane h2 {
  margin: 0 0 14px;
  font-size: 20px;
  color: var(--navy);
  line-height: 1.4;
}

.pane p {
  margin: 0 0 12px;
  color: var(--ink);
}

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

.pane ul {
  margin: 0 0 12px;
  padding-left: 1.25em;
}

.pane li {
  margin-bottom: 6px;
}

.pane table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 4px;
  font-size: 15px;
}

.pane th,
.pane td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.pane th {
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
}

.pane td {
  background: var(--white);
}

.pane .rowbtns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.pane .rowbtns a {
  display: inline-block;
  background: var(--sky);
  color: var(--white);
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.pane .rowbtns a:hover {
  background: var(--navy);
  text-decoration: none;
}

.feed {
  margin: 0;
  padding: 0;
}

.feed dt {
  margin: 14px 0 4px;
  font-size: 16px;
  color: var(--navy);
  font-weight: 600;
}

.feed dt:first-child {
  margin-top: 0;
}

.feed dt h3 {
  display: inline;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.feed dd {
  margin: 0 0 8px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
  color: var(--mute);
  font-size: 14px;
}

.feed dd:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.qa {
  margin: 0;
  padding-left: 1.4em;
}

.qa > li {
  margin-bottom: 18px;
}

.qa strong {
  display: block;
  color: var(--navy);
  font-size: 16px;
  margin-bottom: 8px;
}

.qa p {
  margin: 0 0 8px;
  color: var(--ink);
}

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

.foot {
  margin-left: var(--rail-w);
  background: var(--navy);
  color: #c5d4e2;
  padding: 28px 36px 36px;
  font-size: 13px;
  line-height: 1.7;
}

.foot p {
  margin: 0 0 10px;
  max-width: 920px;
}

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

.steps {
  margin: 8px 0 12px;
  padding-left: 1.4em;
}

.steps li {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .rail {
    position: relative;
    width: 100%;
    height: auto;
    padding: 18px 16px 20px;
  }

  .rail nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px 8px;
  }

  .rail nav a {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 10px 12px;
  }

  .rail nav a[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--sky);
  }

  .rail .note {
    display: none;
  }

  .main {
    margin-left: 0;
  }

  .dlstrip {
    padding: 14px 16px;
  }

  .main > article {
    padding: 20px 16px 0;
  }

  .main h1 {
    font-size: 22px;
  }

  .pane {
    padding: 18px 16px 18px 48px;
  }

  .pane::before {
    width: 32px;
    font-size: 12px;
    padding-top: 20px;
  }

  .foot {
    margin-left: 0;
    padding: 22px 16px 28px;
  }
}

@media (max-width: 560px) {
  .dlstrip .hints {
    width: 100%;
    flex-direction: column;
    gap: 6px;
  }

  .pane .rowbtns a {
    width: 100%;
    text-align: center;
  }

  .rail .brand {
    font-size: 22px;
  }
}