:root {
  --ink: #3b2416;
  --muted: #6d4e3a;
  --paper: #fff6ec;
  --card: #fffdf8;
  --line: #edd4bc;
  --accent: #d65820;
  --deep: #7a2e12;
  --hero: #f3d2b4;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", SimSun, serif;
  font-size: 17px;
  line-height: 1.85;
}
a { color: var(--deep); }
img { max-width: 100%; }
.mast {
  background: #fffdf8;
  border-bottom: 1px solid var(--line);
}
.mast-inner, .shell, .foot-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
.mast-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--deep);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}
.logo svg { width: 28px; height: 28px; display: block; }
.menu { display: flex; gap: 4px; }
.menu a {
  color: var(--ink);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
}
.menu a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}
.hero {
  background:
    linear-gradient(90deg, var(--hero) 0 46%, transparent 46%),
    repeating-linear-gradient(90deg, #f8e2cc 0 16px, #f3d2b4 16px 32px);
  padding: 42px 0 36px;
  border-bottom: 8px solid var(--accent);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: end;
}
h1 { font-size: clamp(30px, 4vw, 44px); line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 26px; line-height: 1.35; margin: 0 0 12px; }
h3 { font-size: 18px; margin: 0 0 8px; }
.lead { font-size: 18px; max-width: 40em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; }
.chips li {
  background: #fff;
  border: 1px solid var(--line);
  padding: 4px 10px;
  font-size: 14px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border: 2px solid var(--accent);
  font-size: 17px;
}
.btn svg { width: 20px; height: 20px; display: block; }
.btn.line { background: transparent; color: var(--deep); }
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--card);
}
.pair article { padding: 22px 20px; }
.pair article + article { border-left: 1px solid var(--line); }
.slab { padding: 34px 0; border-bottom: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: #f8e6d4; }
.scene-box {
  background: #fff;
  border-left: 6px solid var(--accent);
  padding: 16px 18px;
}
ol.plain, ul.plain { padding-left: 1.2em; }
.faq-list article {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px;
  margin: 0 0 10px;
}
.faq-list h3 { color: var(--deep); }
.foot {
  background: #4a2214;
  color: #f6e4d4;
  padding: 28px 0 36px;
  font-size: 14px;
}
.foot a { color: #ffd2aa; }
.foot-links { display: flex; gap: 16px; list-style: none; padding: 0; margin: 0 0 10px; }
@media (max-width: 860px) {
  .hero-grid, .pair { grid-template-columns: 1fr; }
  .pair article + article { border-left: 0; border-top: 1px solid var(--line); }
  .hero { background: var(--hero); }
}