:root {
  --olive: #365314;
  --leaf: #ECFCCB;
  --gold: #CA8A04;
  --deep: #1A2E05;
  --paper: #FFFFFF;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Trebuchet MS", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--deep);
  background: var(--leaf);
  line-height: 1.75;
}
a { color: inherit; }
.mast {
  background: var(--olive);
  color: #fff;
}
.mast-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.logo { font-weight: 800; letter-spacing: 0.04em; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: #fff; text-decoration: none; font-size: 0.92rem; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--gold); }
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 28px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.brand {
  margin: 0 0 8px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.08em;
}
h1, h2, h3 { line-height: 1.3; }
h1 { font-size: 2.05rem; margin: 0 0 14px; color: var(--olive); }
h2 { font-size: 1.5rem; color: var(--olive); margin: 0 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
.hero p { margin: 0 0 12px; }
.cta {
  display: inline-block;
  margin-top: 10px;
  background: var(--gold);
  color: #1A2E05;
  text-decoration: none;
  font-weight: 800;
  padding: 12px 24px;
  border-radius: 4px;
  box-shadow: 4px 4px 0 var(--olive);
}
.desk {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 10px;
  background: #D9F99D;
  padding: 14px;
  border: 2px solid var(--olive);
  box-shadow: 10px 10px 0 rgba(26, 46, 5, 0.15);
}
.desk-panel {
  background: var(--paper);
  padding: 14px;
  border-left: 6px solid var(--gold);
  min-height: 120px;
}
.desk-panel.chat { grid-column: 2; grid-row: 1 / span 2; border-left-color: var(--olive); }
.desk-panel span {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.desk-panel b { display: block; margin-bottom: 6px; }
.desk-panel p { margin: 0; font-size: 0.92rem; }
.band {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 28px;
}
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 18px 0 16px;
}
.panel, .wide-panel, .accent-rows article, .gold-cards article, .name-cards li, .faq-stack article {
  background: var(--paper);
  border-left: 6px solid var(--gold);
  padding: 18px 18px 16px;
}
.panel svg {
  width: 36px;
  height: 36px;
  color: var(--olive);
  display: block;
  margin-bottom: 8px;
}
.panel strong, .wide-panel strong, .accent-rows strong, .gold-cards strong { display: block; margin-bottom: 6px; color: var(--olive); }
.wide-panel {
  border-left-width: 10px;
  padding: 22px 24px;
}
.wide-panel p { margin: 0; }
.accent-rows { display: grid; gap: 12px; }
.file-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.file-split > div {
  background: var(--paper);
  padding: 20px;
  border-top: 4px solid var(--olive);
}
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.process article {
  background: var(--paper);
  padding: 20px 18px;
  border: 1px solid #BEF264;
  position: relative;
}
.process span {
  display: block;
  color: var(--gold);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.gold-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.name-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.vs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 8px;
}
.vs article { padding: 24px; min-height: 240px; }
.vs article:first-child { background: var(--olive); color: #fff; }
.vs article:first-child h3 { color: var(--gold); }
.vs article:last-child { background: var(--deep); color: #ECFCCB; }
.vs article:last-child h3 { color: var(--gold); }
.faq-stack { display: grid; gap: 10px; }
.faq-stack h3 { color: var(--olive); font-size: 1rem; }
.faq-stack p { margin: 0; }
footer {
  background: var(--deep);
  color: #ECFCCB;
  padding: 28px;
  font-size: 0.88rem;
}
footer p { margin: 0 0 8px; max-width: 1100px; margin-left: auto; margin-right: auto; }
@media (max-width: 860px) {
  .hero, .panel-grid, .file-split, .process, .gold-cards, .name-cards, .vs, .desk { grid-template-columns: 1fr; }
  .desk-panel.chat { grid-column: auto; grid-row: auto; }
  .mast-inner { flex-direction: column; align-items: flex-start; }
}

#news .news-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#news .news-list li { background: #ecfccb; padding: 16px; border-top: 4px solid #ca8a04; }
#news time { color: #365314; font-size: 12px; font-weight: 700; }
#news .news-list h3 { color: #1a2e05; margin: 6px 0; font-size: 16px; }
@media (max-width: 720px) { #news .news-list { grid-template-columns: 1fr; } }