:root {
  --slate: #e2e8f0;
  --ink: #334155;
  --deep: #0f172a;
  --sky: #0ea5e9;
  --panel: #f8fafc;
  --line: #94a3b8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--deep);
  background:
    linear-gradient(#cbd5e1 1px, transparent 1px) 0 0 / 100% 28px,
    var(--slate);
  font-family: "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.65;
}

a {
  color: inherit;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: #1e293b;
  color: #e2e8f0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.brand svg {
  width: 22px;
  height: 22px;
}

.tools {
  display: flex;
  gap: 8px;
}

.tools a {
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid #475569;
  background: #334155;
  color: #f8fafc;
  font-size: 12px;
}

.desk {
  width: min(1200px, calc(100% - 32px));
  margin: 18px auto 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid #94a3b8;
  box-shadow: 4px 4px 0 #334155;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.25;
}

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

.cta {
  display: inline-block;
  padding: 9px 16px;
  background: var(--sky);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.windows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  min-height: 220px;
}

.win {
  border: 1px solid var(--ink);
  background: #fff;
}

.win-bar {
  height: 22px;
  background: #334155;
  color: #fff;
  font-size: 11px;
  padding: 3px 8px;
}

.win-body {
  padding: 10px;
  font-size: 12px;
  color: var(--ink);
}

.win-body i {
  display: block;
  height: 8px;
  background: #cbd5e1;
  margin-bottom: 8px;
}

.panel {
  margin-top: 16px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid #94a3b8;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

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

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 14px 0;
}

.kpi {
  padding: 10px 12px;
  background: #fff;
  border-left: 4px solid var(--sky);
}

.kpi b {
  display: block;
  font-size: 13px;
}

.kpi span {
  font-size: 12px;
  color: var(--ink);
}

.jobs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.job {
  padding: 14px;
  background: #fff;
  border: 1px solid #cbd5e1;
}

.job svg {
  width: 20px;
  height: 20px;
  margin-bottom: 8px;
}

.job h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.job p {
  margin: 0;
  font-size: 13px;
}

.sheet {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 13px;
}

.sheet th,
.sheet td {
  border: 1px solid #94a3b8;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.sheet th {
  background: #334155;
  color: #fff;
  font-weight: 600;
}

.sheet tr:nth-child(even) td {
  background: #f1f5f9;
}

.faq-line {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed #94a3b8;
}

.faq-line b {
  color: var(--sky);
}

.faq-line h3 {
  margin: 0 0 4px;
  font-size: 14px;
}

.faq-line p {
  margin: 0;
  font-size: 13px;
}

.foot {
  margin-top: 16px;
  padding: 14px 20px;
  background: #1e293b;
  color: #cbd5e1;
  font-size: 12px;
}

.foot p {
  margin: 0 0 6px;
}

@media (max-width: 900px) {
  .hero,
  .windows,
  .kpis,
  .jobs {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

#news .news-list { display: grid; border: 1px solid var(--line); background: var(--panel); }
#news article { display: grid; grid-template-columns: 108px 220px 1fr; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); align-items: start; }
#news article:nth-child(odd) { background: #fff; }
#news time { font-family: ui-monospace, Consolas, monospace; color: var(--sky); font-size: 12px; }
#news h3 { margin: 0; font-size: 14px; color: var(--deep); }
#news p { margin: 0; font-size: 13px; color: var(--ink); }
@media (max-width: 900px) { #news article { grid-template-columns: 1fr; } }