:root {
  --bg: #000515;
  --fg: #e9edf2;
  --muted: rgba(233, 237, 242, 0.72);
  --line: rgba(0, 255, 255, 0.22);
  --line2: rgba(0, 255, 255, 0.14);
  --panel: rgba(0, 10, 26, 0.72);
  --glow: rgba(255, 225, 96, 0.2);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--fg);
  font-family: var(--mono);
  background:
    radial-gradient(1000px 700px at 16% 8%, rgba(0, 255, 255, 0.08), transparent 55%),
    radial-gradient(900px 620px at 84% 18%, rgba(255, 225, 96, 0.08), transparent 60%),
    linear-gradient(180deg, #000b2a, #000515 60%, #00030f);
}

.wrap {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.back {
  color: rgba(132, 255, 99, 0.95);
  text-decoration: none;
  border: 1px dashed rgba(132, 255, 99, 0.35);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.head {
  border-bottom: 1px solid var(--line2);
  padding: 14px 16px;
  background: linear-gradient(90deg, rgba(0, 255, 255, 0.12), transparent 55%);
}

.title {
  margin: 0;
  font-size: clamp(18px, 3vw, 28px);
  line-height: 1.1;
  color: rgba(255, 225, 96, 0.96);
}

.content {
  padding: 16px;
  line-height: 1.55;
  font-size: 14px;
}

.content h2 {
  margin: 14px 0 6px;
  font-size: 14px;
  color: rgba(132, 255, 99, 0.76);
}

.content ul { margin: 8px 0 8px 18px; }
.content p { margin: 8px 0; }

.content a {
  color: rgba(0, 255, 255, 0.96);
}

.note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line2);
  color: var(--muted);
  font-size: 12px;
}

/* Support form */
.form {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  display: grid;
  gap: 5px;
}

.field label {
  font-size: 12px;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: rgba(0, 255, 255, 0.03);
  border: 1px solid var(--line2);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
}

.field input,
.field select {
  height: 36px;
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(255, 225, 96, 0.62);
  box-shadow: 0 0 0 2px var(--glow);
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid rgba(255, 225, 96, 0.9);
  border-radius: 999px;
  background: rgba(92, 35, 140, 0.74);
  color: #f7eaff;
  font-family: var(--mono);
  padding: 8px 12px;
  cursor: pointer;
}

.hp { position: absolute; left: -9999px; }

@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
}