:root {
  --desk: #f3e6c8;
  --desk-2: #efe0b8;
  --paper: #fff8ea;
  --paper-2: #fffdf6;
  --ink: #2a221c;
  --mute: #6b5d4e;
  --cinnabar: #b43a2f;
  --cinnabar-2: #8e2c24;
  --foil: #8a6a2b;
  --line: rgba(42, 34, 28, 0.14);
  --glow: rgba(180, 58, 47, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans SC", sans-serif;
  background: var(--desk);
  line-height: 1.65;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(180, 58, 47, 0.08), transparent 55%),
    radial-gradient(700px 380px at 90% 0%, rgba(198, 161, 91, 0.18), transparent 50%),
    repeating-linear-gradient(90deg, rgba(42,34,28,0.025) 0 1px, transparent 1px 9px),
    linear-gradient(180deg, #f7edd4, #efe2c0 70%);
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 7vw;
}
.brand {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 28px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.12em;
}
nav { display: flex; gap: 22px; }
nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.72;
}
nav a:hover { opacity: 1; color: var(--cinnabar); }

.hero { padding: 8px 7vw 12px; }
.permit {
  position: relative;
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  border-radius: 6px;
  padding: 48px 48px 56px;
  max-width: 920px;
  box-shadow: 0 18px 40px rgba(80, 50, 20, .12), inset 0 0 0 1px rgba(255,255,255,.7);
  overflow: hidden;
}
.kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cinnabar);
  margin: 0 0 16px;
}
h1, h2, h3 { font-family: "ZCOOL XiaoWei", serif; font-weight: 400; }
h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1.1; margin: 0 0 18px; }
.lead { max-width: 38em; margin: 0 0 24px; font-size: 18px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--mute);
}
.seal {
  position: absolute;
  right: 7%;
  top: 18%;
  width: 150px;
  transform: rotate(-12deg);
  filter: drop-shadow(2px 6px 0 rgba(180, 58, 47, 0.12));
}

.console {
  padding: 28px 7vw 12px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.9fr);
  gap: 18px;
  align-items: start;
}
.panel {
  background: var(--paper);
  padding: 24px;
  box-shadow: 0 12px 30px rgba(80,50,20,.08);
  display: grid;
  gap: 12px;
}
.panel h2 { margin: 0; font-size: 32px; }
.sub, .tiny { color: var(--mute); margin: 0; }
.tiny { font-size: 12px; }
label { display: grid; gap: 6px; font-size: 13px; }
input, textarea {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
}
input:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.stamp {
  border: 0;
  background: var(--cinnabar);
  color: #f7ece4;
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 22px;
  padding: 8px 22px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--cinnabar-2);
}
.stamp:hover { transform: translate(1px,1px); }
.stamp:disabled { opacity: .6; cursor: wait; }
.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 8px 12px;
  cursor: pointer;
  font-family: inherit;
}
.ghost:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.err { color: var(--cinnabar); min-height: 1.2em; margin: 0; font-size: 14px; }
.side-stack { display: grid; gap: 18px; }
.balance-num {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 56px;
  margin: 0;
  line-height: 1;
}
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
}
th { color: var(--cinnabar); font-weight: 500; }

.block { padding: 48px 7vw; max-width: 1100px; }
.block h2 { font-size: 36px; margin: 0 0 12px; }
.steps { padding-left: 1.2em; }
.code {
  background: #2a221c;
  color: #f3e6c8;
  padding: 18px;
  overflow: auto;
  border-left: 3px solid var(--cinnabar);
  font-size: 13px;
  line-height: 1.55;
  font-family: "IBM Plex Mono", monospace;
}
code { font-family: "IBM Plex Mono", monospace; color: var(--cinnabar); }
.errs { width: 100%; border-collapse: collapse; }
.errs th, .errs td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
footer {
  padding: 20px 7vw 48px;
  color: var(--mute);
  font-size: 13px;
}

@media (max-width: 900px) {
  .console, .row { grid-template-columns: 1fr; }
  .permit { padding: 28px 22px 48px; }
  .seal { position: static; width: 110px; display: block; margin: 18px 0 0; }
  nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
.key-wrap { position: relative; }
.key-wrap input { width: 100%; padding-right: 64px; }
.eye {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--mute);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 6px;
}
.eye:hover { color: var(--cinnabar); }
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  border: 1px solid var(--line);
}
.badge.on { color: #2f6b3c; border-color: #2f6b3c; }
.badge.off { color: var(--cinnabar); border-color: var(--cinnabar); }
.key-plain {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  word-break: break-all;
}

.status { min-height: 1.2em; margin: 0; font-size: 14px; color: var(--cinnabar); }
.status.ok { color: var(--mute); }