:root {
  --orange: #e85d04;
  --char: #1a1a1a;
  --ash: #f2f2f0;
  --ink: #141414;
  --line: #c8c8c4;
  --white: #fff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ash);
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
}

.slab {
  background: var(--char);
  color: #fff;
  padding: 18px 28px 0;
}
.slab .brand {
  color: var(--orange);
  text-decoration: none;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.06em;
}
.slab nav { margin-top: 14px; display: flex; }
.slab nav a {
  color: #ddd;
  text-decoration: none;
  padding: 10px 18px;
  border: 2px solid transparent;
  border-bottom: none;
  font-size: 14px;
}
.slab nav a.pick { background: var(--ash); color: var(--char); border-color: var(--ash); }

.box { width: min(1040px, calc(100% - 32px)); margin: 0 auto; }

.hero-sel {
  background: var(--white);
  border: 2px solid var(--char);
  margin: 24px auto 0;
  padding: 28px;
  width: min(1040px, calc(100% - 32px));
}
.hero-sel h1 { margin: 0 0 12px; font-size: 30px; }
.sq, .sq2 {
  display: inline-block;
  text-decoration: none;
  padding: 12px 20px;
  font-weight: 700;
  border: 2px solid var(--char);
}
.sq { background: var(--orange); color: #fff; border-color: var(--orange); }
.sq2 { background: #fff; color: var(--char); margin-left: 8px; }

.choose {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: min(1040px, calc(100% - 32px));
  margin: 24px auto;
  border: 2px solid var(--char);
}
.choose article {
  padding: 22px 20px;
  background: #fff;
}
.choose article:first-child { border-right: 2px solid var(--char); }
.choose h2 { margin: 0 0 10px; font-size: 20px; color: var(--orange); }

.panel {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto 24px;
  background: #fff;
  border: 2px solid var(--char);
  padding: 22px 22px 8px;
}
.panel h2 { margin: 0 0 12px; font-size: 22px; }

.matrix {
  width: 100%;
  border-collapse: collapse;
}
.matrix th, .matrix td {
  border: 2px solid var(--char);
  padding: 10px;
  text-align: left;
}
.matrix th { background: var(--char); color: #fff; }

.faqx { margin: 0 0 18px; }
.faqx h3 { margin: 0 0 6px; font-size: 16px; }
.faqx p { margin: 0 0 8px; }

.tail {
  background: #000;
  color: #cfcfcf;
  padding: 26px 28px;
  font-size: 13px;
}
.tail a { color: var(--orange); margin-right: 14px; }

@media (max-width: 780px) {
  .choose { grid-template-columns: 1fr; }
  .choose article:first-child { border-right: none; border-bottom: 2px solid var(--char); }
}