/* 同花顺财经 app 子域 · 森绿左右分屏 */
:root {
  --forest: #123c2e;
  --sand: #f6f0e6;
  --copper: #8c6a3d;
  --white: #ffffff;
  --ink: #1a1a1a;
  --muted: #4a4a4a;
  --line: #d9d0c4;
  --panel-w: 360px;
  --max: 1100px;
  --header-h: 56px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--sand);
}

a {
  color: var(--copper);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--sand);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--forest);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--copper);
}

.nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--forest);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--copper);
  text-decoration: none;
}

.hero {
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px 20px 40px;
  display: grid;
  grid-template-columns: 1fr var(--panel-w);
  gap: 28px;
  align-items: stretch;
}

.hero-copy h1 {
  margin: 0 0 14px;
  font-size: 1.65rem;
  line-height: 1.35;
  color: var(--forest);
  font-weight: 700;
}

.hero-lead {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1rem;
}

.hero-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.hero-points li {
  position: relative;
  padding-left: 14px;
  color: var(--forest);
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--copper);
  border-radius: 1px;
}

.hero-visual {
  margin-top: 18px;
}

.hero-panel {
  background: var(--forest);
  color: var(--sand);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 100%;
}

.hero-panel p {
  margin: 0 0 8px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #d8e0db;
}

.hero-panel p.panel-title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sand);
  border: none;
  padding: 0;
}

.btn-dl {
  display: block;
  text-align: center;
  padding: 11px 14px;
  background: var(--sand);
  color: var(--forest);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.btn-dl:hover {
  background: var(--copper);
  color: var(--white);
  text-decoration: none;
}

.btn-dl.btn-alt {
  background: transparent;
  color: var(--sand);
  border-color: #3a5c4e;
}

.btn-dl.btn-alt:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--white);
}

.btn-inline {
  display: inline-block;
  margin: 12px 0;
  padding: 10px 22px;
  background: var(--forest);
  color: var(--sand);
  font-weight: 700;
  text-decoration: none;
}

.btn-inline:hover {
  background: var(--copper);
  color: var(--white);
  text-decoration: none;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 40px 0;
}

.section:nth-child(odd) {
  background: var(--sand);
}

.section:nth-child(even) {
  background: var(--white);
}

.section h2 {
  margin: 0 0 18px;
  font-size: 1.35rem;
  color: var(--forest);
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--copper);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
}

.two-col p,
.prose p {
  margin: 0 0 14px;
  color: var(--ink);
}

.prose p:last-child {
  margin-bottom: 0;
}

.figure-svg {
  margin: 16px 0 8px;
  text-align: center;
}

.figure-svg svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--copper);
}

.timeline li {
  position: relative;
  padding: 0 0 22px 18px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--copper);
  border: 2px solid var(--sand);
  box-shadow: 0 0 0 1px var(--copper);
}

.timeline time {
  display: block;
  font-size: 0.85rem;
  color: var(--copper);
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--forest);
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-list li {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.faq-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.faq-list h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--forest);
}

.faq-list p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  background: var(--forest);
  color: #c5d4cc;
  padding: 28px 20px;
  text-align: center;
}

.site-footer p {
  margin: 0 0 10px;
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.site-footer p:last-child {
  margin-bottom: 0;
  color: #a8b8b0;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 28px 16px 32px;
  }

  .hero-panel {
    min-height: auto;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-copy h1 {
    font-size: 1.35rem;
  }

  .section {
    padding: 32px 0;
  }

  .header-inner {
    padding: 0 14px;
  }

  .nav {
    gap: 12px;
  }

  .nav a {
    font-size: 0.88rem;
  }
}
