:root {
  --bg: #eceff3;
  --card: #ffffff;
  --text: #222;
  --muted: #666;
  --accent: #e11d2e;
  --btn: #f2f3f5;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}
body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 18px 12px 28px;
  background:
    radial-gradient(circle at 0 0, rgba(255, 214, 64, 0.55) 0, transparent 28%),
    radial-gradient(circle at 100% 0, rgba(255, 214, 64, 0.45) 0, transparent 26%),
    radial-gradient(circle at 100% 100%, rgba(255, 214, 64, 0.35) 0, transparent 24%),
    radial-gradient(circle at 0 100%, rgba(255, 214, 64, 0.3) 0, transparent 22%),
    var(--bg);
}

.wrap {
  width: min(92vw, 430px);
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px 22px 22px;
  text-align: center;
}

.logo {
  width: 78px;
  height: 78px;
  object-fit: contain;
  margin: 0 auto 14px;
  display: block;
}

.title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

.notice {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  text-align: left;
  font-size: 13px;
  line-height: 1.65;
  color: #333;
  margin: 0 0 22px;
  padding: 0 4px;
}
.notice .horn {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.actions { display: grid; gap: 16px; }

.action {
  position: relative;
  display: block;
  text-decoration: none;
  color: #222;
  background: var(--btn);
  border-radius: 10px;
  padding: 18px 14px;
  font-size: 20px;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.03);
}
.action:active { transform: scale(0.99); }

.tag {
  position: absolute;
  left: -2px;
  top: -10px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 4px 8px 8px 0;
  box-shadow: 0 2px 0 rgba(0,0,0,0.08);
}

.footer-domain {
  margin: 26px auto 4px;
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 8px 22px;
  border-radius: 999px;
  text-decoration: none;
}

/* admin */
.admin-body { background: #f5f6f8; padding: 24px 12px; }
.admin-card {
  width: min(96vw, 720px);
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 22px;
}
.admin-card h1 { margin: 0 0 16px; font-size: 22px; }
.admin-card label { display: block; font-size: 13px; color: #555; margin: 12px 0 6px; text-align: left; }
.admin-card input, .admin-card textarea {
  width: 100%;
  border: 1px solid #d9dde3;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
.admin-card textarea { min-height: 72px; resize: vertical; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 700px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
.btn {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  background: #111827;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}
.btn.secondary { background: #6b7280; }
.row-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.msg { margin: 0 0 12px; color: #059669; font-size: 14px; }
.err { margin: 0 0 12px; color: #dc2626; font-size: 14px; }
.preview-logo { width: 64px; height: 64px; object-fit: contain; display: block; margin-top: 8px; }
.login-box { width: min(92vw, 380px); }
.hint { color: #6b7280; font-size: 12px; text-align: left; margin-top: 4px; }