:root {
  --bg-1: #fffdf2;
  --bg-2: #fff7d8;
  --card-bg: rgba(255, 253, 244, 0.97);
  --hero-bg: rgba(255, 252, 238, 0.96);
  --border-1: rgba(191, 152, 59, 0.16);
  --text-1: #594100;
  --text-2: #765513;
  --text-3: #775f1d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255, 249, 223, 0.92), transparent 32%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  color: var(--text-1);
}
.entry {
  min-height: 100vh;
  padding: 24px;
}
.entry__wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px 28px;
  border-radius: 24px;
  background: var(--hero-bg);
  border: 1px solid var(--border-1);
  box-shadow: 0 12px 28px rgba(136, 108, 35, 0.08);
}
.entry h1 { margin: 0 0 16px; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.link {
  display: block;
  padding: 14px;
  border-radius: 12px;
  text-decoration: none;
  color: #4d3500;
  background: rgba(255, 249, 219, 0.9);
  border: 1px solid rgba(185, 147, 50, 0.16);
}
.link:hover { background: #fff0b8; }
.question-doc {
  min-height: 100vh;
  padding: 0 20px 24px;
  overflow-y: auto;
}
.question-doc__hero {
  max-width: 1240px;
  margin: 0 auto 20px;
  padding: 24px 28px;
  border-radius: 24px;
  background: var(--hero-bg);
  border: 1px solid var(--border-1);
  box-shadow: 0 12px 28px rgba(136, 108, 35, 0.08);
}
.question-doc__eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #98771a;
  font-weight: 700;
}
.question-doc h1 { margin: 0; font-size: 34px; line-height: 1.25; color: #594100; }
.question-doc__subtitle { margin: 10px 0 8px; font-size: 18px; color: #765513; }
.question-doc__desc { margin: 0; font-size: 15px; line-height: 1.7; color: #775f1d; }
.question-doc__nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.question-doc__nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 10px 14px;
  text-align: center;
  border-radius: 16px;
  text-decoration: none;
  color: #6d5114;
  background: rgba(255, 249, 219, 0.9);
  border: 1px solid rgba(185, 147, 50, 0.16);
  font-size: 14px;
  line-height: 1.5;
}
.question-doc__nav-link:hover, .question-doc__nav-link.is-active {
  color: #4d3500;
  background: #fff0b8;
  border-color: rgba(145, 112, 26, 0.24);
}
.question-doc__content { max-width: 1240px; margin: 0 auto; }
.question-doc__card {
  padding: 26px 28px;
  border-radius: 24px;
  background: var(--card-bg);
  border: 1px solid rgba(191, 152, 59, 0.14);
  box-shadow: 0 10px 22px rgba(136, 108, 35, 0.07);
}
.question-doc__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.question-doc__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 248, 222, 0.72);
}
.question-doc__text { font-size: 16px; line-height: 1.8; color: #503b07; }
.chat-page {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chat-box {
  width: min(1000px, 100%);
  border-radius: 24px;
  padding: 28px;
  background: var(--hero-bg);
  border: 1px solid var(--border-1);
  box-shadow: 0 12px 28px rgba(136,108,35,.08);
}