html, body {
  margin: 0;
  height: 100%;
  background: #0c1618;
  color: #e8eaf2;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  display: flex;
  flex-direction: column;
}
.header {
  flex: 0 0 auto;
  background: linear-gradient(135deg, #163a36, #0c1618);
  padding: 10px 20px 8px;
  border-bottom: 1px solid #2a4a46;
}
.header-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: #e8c872;
  letter-spacing: 0.04em;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.blog-nav {
  flex: 0 0 auto;
  font-size: 12px;
  color: #d4a85a;
  text-decoration: none;
  letter-spacing: 0.04em;
}
.blog-nav:hover {
  color: #e8c872;
  text-decoration: underline;
}
.blog-nav:focus-visible {
  outline: 2px solid #d4a85a;
  outline-offset: 2px;
}
.fullname {
  margin: 3px 0 0;
  font-size: 13px;
  font-weight: 500;
  color: #c5d4d0;
  line-height: 1.4;
}
.sub {
  margin: 4px 0 0;
  font-size: 12px;
  color: #9bb5b0;
  line-height: 1.5;
}
.sub a {
  color: #d4a85a;
}
.disclaimer {
  margin: 6px 0 0;
  font-size: 11px;
  color: #7a8f8b;
  line-height: 1.5;
}
.faq {
  flex: 0 0 auto;
  position: relative;
  z-index: 2;
  padding: 8px 20px 6px;
  background: #0c1618;
  border-bottom: 1px solid #1e3330;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.chip {
  margin: 0;
  padding: 4px 11px;
  border: 1px solid #3d5e58;
  border-radius: 999px;
  background: #122220;
  color: #e8c872;
  font: inherit;
  font-size: 12px;
  line-height: 1.4;
  cursor: pointer;
}
.chip:hover {
  background: #1a3330;
  border-color: #d4a85a;
}
.chip:focus-visible {
  outline: 2px solid #d4a85a;
  outline-offset: 2px;
}
.iframe-note,
.lang-note {
  margin: 6px 0 0;
  font-size: 11px;
  color: #6a7f7b;
  line-height: 1.4;
}
.lang-note {
  color: #8aa09b;
}
.hint {
  position: fixed;
  left: 50%;
  top: 16px;
  transform: translateX(-50%);
  z-index: 9999;
  margin: 0;
  padding: 8px 14px;
  max-width: calc(100% - 32px);
  border: 1px solid #d4a85a;
  border-radius: 8px;
  background: #1a3330;
  color: #e8c872;
  font-size: 13px;
  line-height: 1.4;
  text-align: center;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}
[dir="rtl"] .hint {
  left: 50%;
  right: auto;
}
.hint[hidden] {
  display: none;
}
.copy-fallback {
  display: none;
  width: 100%;
  margin: 6px 0 0;
  padding: 6px 8px;
  box-sizing: border-box;
  border: 1px solid #3d5e58;
  border-radius: 6px;
  background: #122220;
  color: #e8eaf2;
  font: inherit;
  font-size: 12px;
}
.copy-fallback.is-visible {
  display: block;
}
#fastgpt {
  flex: 1;
  width: 100%;
  border: 0;
  min-height: 0;
  background: #0c1618;
}